Variable structure

Abstract

Achieve energy savings in variable structures. [Solution] The variable structure is installed inside another structure. Inside the variable structure, plants or mushrooms are cultivated, livestock are raised, aquatic organisms are farmed, goods are stored, or servers are installed. The variable structure comprises a front wall and a supply port. The front wall can be modified and erected inside. The supply port is an opening that supplies conditioned air from an air conditioner outside the variable structure to the inside, and is an opening that communicates with a first hose that communicates with the air conditioner. The inside of the variable structure is formed by being enclosed by at least the front wall and at least one of the vertical walls and ceiling of the other structure. By changing the configuration of the front wall, the state in which the outside and inside of the variable structure are separated is changed to a state in which the outside and inside are in communication.

Description

Technical Field

[0001] This disclosure relates to a variable structure.

Prior Art Documents

Patent Documents

[0002]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0003] Patent Document 1 discloses a greenhouse provided with a lighting device for cultivating fruit and vegetable plants. The object of this disclosure is to achieve energy saving for a variable structure in which plant cultivation and the like are carried out.

Means for Solving the Problems

[0004] The variable structure of the first aspect is provided inside another structure. Inside the variable structure, plants or mushrooms are cultivated, livestock are raised, aquatic organisms are cultured, goods are stored, or a server is installed. The variable structure includes a front wall and a supply port. The front wall can be changed in aspect and erected inside. The supply port is an opening for supplying air-conditioned air from an air conditioner outside the variable structure to the inside, and is an opening communicating with a first hose communicating with the air conditioner. The inside of the variable structure is formed by being surrounded at least by the front wall and at least one of the vertical wall of another structure and the ceiling of another structure. By changing the aspect of the front wall, the state where the outside and the inside of the variable structure are blocked can be changed to the state where the outside and the inside are communicated.

[0005] A variable structure in the second view is a variable structure in the first view, further comprising a first component adjacent to the front wall. The first component is one of a ceiling adjacent to the front wall, a left wall erected internally and adjacent to the front wall, or a right wall erected internally and adjacent to the front wall. The interior is formed by being enclosed by at least the front wall, the first component, and at least one of the vertical walls and ceilings of other structures.

[0006] A variable structure in the third view is a variable structure in the first or second view, further comprising a rear wall erected inside and facing the front wall. The interior is formed by being enclosed by at least the front wall, the rear wall, and at least one of the vertical walls and ceiling of the other structure.

[0007] The variable structure of the fourth view is a variable structure of the first view or the third view, wherein the front wall faces an outer passage used by a person or device when work is performed on plants or mushrooms, livestock, aquatic organisms, goods, or servers. By changing the configuration of the front wall, the state in which the passage and the interior are separated is changed to a state in which the passage and the interior are connected.

[0008] The variable structure of the fifth view is a variable structure of any of the first, fourth, or fourth views, further comprising a first guide rail provided substantially perpendicular to the interior floor and a second guide rail opposed to the first guide rail and provided substantially perpendicular to the floor. The appearance of the front wall is changed by sliding the front wall guided by the first and second guide rails.

[0009] The variable structure in the sixth view is a variable structure in any of the first, fourth, or third view, further comprising a third guide rail provided substantially parallel to the interior floor and a fourth guide rail provided opposite to the third guide rail and substantially parallel to the floor. The appearance of the front wall is changed by sliding the front wall guided by the third and fourth guide rails.

[0010] The variable structure of the seventh aspect is a variable structure of the first aspect, further comprising a movable ceiling facing the interior floor and connected to the front wall, and a pivot axis provided along the end of the ceiling. When the ceiling is rotated around the pivot axis, the front wall also rotates along with the ceiling, thereby changing the appearance of the front wall. The interior is formed by being enclosed by at least the front wall, the ceiling, and at least one of the vertical walls and ceilings of other structures.

[0011] The variable structure of the eighth viewpoint is a variable structure of any of the first viewpoint or the seventh viewpoint, wherein the supply port is located approximately vertically below the approximately vertical center of the variable structure.

[0012] The variable structure of the ninth aspect is a variable structure of any aspect from the first aspect to the seventh aspect, wherein the supply port is located approximately vertically above the approximately vertical center of the variable structure.

[0013] The variable structure of the tenth aspect is a variable structure of any aspect from the first aspect to the ninth aspect, further comprising an exhaust port which is an opening for discharging internal air from the inside to the outside.

[0014] A variable structure in the 11th aspect is a variable structure in the 10th aspect, wherein the supply port is located approximately vertically below the approximately vertical center of the variable structure, and the exhaust port is located approximately vertically above the approximately vertical center of the variable structure. If the supply port is located approximately vertically above the approximately vertical center of the variable structure, the exhaust port is located approximately vertically below the approximately vertical center of the variable structure.

[0015] The variable structure of the twelfth aspect is a variable structure of the tenth or eleventh aspect, wherein the exhaust port is connected to a second hose which is connected to the intake port of an air conditioner. [Brief explanation of the drawing]

[0016] [Figure 1]It is a schematic configuration diagram showing the overall configuration of equipment 1. [Figure 2] It is a perspective view showing the detailed configuration of structure 100A. [Figure 3] It is a front view showing the detailed configuration of structure 100A. [Figure 4] It is a rear view showing the detailed configuration of structure 100A. [Figure 5] It is a left side view showing the detailed configuration of structure 100A. [Figure 6] It is a right side view showing the detailed configuration of structure 100A. [Figure 7] It is a plan view showing the detailed configuration of structure 100A. [Figure 8] It is a perspective view showing the detailed configuration of structure 100A. [Figure 9] It is a front view showing the detailed configuration of structure 100A. [Figure 10] It is a rear view showing the detailed configuration of structure 100A. [Figure 11] It is a perspective view showing the detailed configuration of structure 100A. [Figure 12] It is a front view showing the detailed configuration of structure 100A. [Figure 13] It is a rear view showing the detailed configuration of structure 100A. [Figure 14] It is a flowchart showing the operation of equipment 1. [Figure 15] It is a schematic configuration diagram showing the overall configuration of equipment 1. [Figure 16] It is a schematic configuration diagram showing the overall configuration of equipment 1. [Figure 17] It is a schematic configuration diagram showing the overall configuration of equipment 1. [Figure 18] It is a schematic configuration diagram showing the overall configuration of equipment 1. [Figure 19] It is a schematic configuration diagram showing the overall configuration of equipment 1. [Figure 20] It is a schematic configuration diagram showing the overall configuration of equipment 1. [Figure 21] It is a schematic configuration diagram showing the overall configuration of equipment 2. [Figure 22]This is a perspective view showing the detailed configuration of structure 200A. [Figure 23] This is a front view showing the detailed configuration of structure 200A. [Figure 24] This is a rear view showing the detailed configuration of structure 200A. [Figure 25] This is a left side view showing the detailed configuration of structure 200A. [Figure 26] This is a right side view showing the detailed configuration of structure 200A. [Figure 27] This is a plan view showing the detailed configuration of structure 200A. [Figure 28] This is a schematic diagram showing the overall configuration of Equipment 3. [Figure 29] This is a perspective view showing the detailed configuration of structure 300A. [Figure 30] This is a front view showing the detailed configuration of structure 300A. [Figure 31] This is a rear view showing the detailed configuration of structure 300A. [Figure 32] This is a left side view showing the detailed configuration of structure 300A. [Figure 33] This is a right side view showing the detailed configuration of structure 300A. [Figure 34] This is a plan view showing the detailed configuration of structure 300A. [Figure 35] This is a perspective view showing the detailed configuration of structure 300A. [Figure 36] This is a perspective view showing the detailed configuration of structure 300A. [Figure 37] This is a flowchart showing the operation of equipment 3. [Figure 38] This is a schematic diagram showing the overall configuration of Equipment 4. [Figure 39] This is a perspective view showing the detailed configuration of structure 400A. [Figure 40] This is a front view showing the detailed configuration of structure 400A. [Figure 41] This is a rear view showing the detailed configuration of structure 400A. [Figure 42] This is a left side view showing the detailed configuration of structure 400A. [Figure 43] This is a right side view showing the detailed configuration of structure 400A. [Figure 44] This is a plan view showing the detailed configuration of structure 400A. [Figure 45] This is a schematic diagram showing the overall configuration of Equipment 5. [Figure 46] This is a perspective view showing the detailed configuration of structure 500A. [Figure 47] This is a front view showing the detailed configuration of structure 500A. [Figure 48] This is a rear view showing the detailed configuration of structure 500A. [Figure 49] This is a left side view showing the detailed configuration of structure 500A. [Figure 50] This is a right side view showing the detailed configuration of structure 500A. [Figure 51] This is a plan view showing the detailed configuration of structure 500A. [Figure 52] This is a perspective view showing the detailed configuration of structure 500A. [Figure 53] This is a flowchart showing the operation of equipment 5. [Figure 54] This is a schematic diagram showing the overall configuration of equipment 6. [Figure 55] This is a perspective view showing the detailed configuration of structure 600A. [Figure 56] This is a front view showing the detailed configuration of structure 600A. [Figure 57] This is a rear view showing the detailed configuration of structure 600A. [Figure 58] This is a left side view showing the detailed configuration of structure 600A. [Figure 59] This is a right side view showing the detailed configuration of structure 600A. [Figure 60] This is a plan view showing the detailed configuration of structure 600A. [Figure 61] This is a perspective view showing the detailed configuration of structure 600A. [Figure 62] This is a perspective view showing the detailed configuration of structure 600A. [Figure 63] This is a flowchart showing the operation of equipment 6. [Figure 64] This is a schematic diagram showing the overall configuration of Equipment 7. [Figure 65] This is a perspective view showing the detailed configuration of structure 700A. [Figure 66] This is a front view showing the detailed configuration of structure 700A. [Figure 67] This is a rear view showing the detailed configuration of structure 700A. [Figure 68] This is a left side view showing the detailed configuration of structure 700A. [Figure 69] This is a right side view showing the detailed configuration of structure 700A. [Figure 70] This is a plan view showing the detailed configuration of structure 700A. [Figure 71] This is a schematic diagram showing the overall configuration of equipment 8. [Figure 72] This is a perspective view showing the detailed configuration of structure 800A. [Figure 73] This is a front view showing the detailed configuration of structure 800A. [Figure 74] This is a rear view showing the detailed configuration of structure 800A. [Figure 75] This is a left side view showing the detailed configuration of structure 800A. [Figure 76] This is a right side view showing the detailed configuration of structure 800A. [Figure 77] This is a plan view showing the detailed configuration of structure 800A. [Figure 78] This is a schematic diagram showing the overall configuration of equipment 9. [Figure 79] This is a perspective view showing the detailed configuration of structure 900A. [Figure 80] This is a front view showing the detailed configuration of structure 900A. [Figure 81] This is a rear view showing the detailed configuration of structure 900A. [Figure 82] This is a left side view showing the detailed configuration of structure 900A. [Figure 83] This is a right side view showing the detailed configuration of structure 900A. [Figure 84] This is a plan view showing the detailed configuration of structure 900A. [Figure 85] This is a schematic diagram showing the overall configuration of equipment 12. [Figure 86] This is a perspective view showing the detailed configuration of structure 1000A. [Figure 87] This is a front view showing the detailed configuration of structure 1000A. [Figure 88] This is a rear view showing the detailed configuration of structure 1000A. [Figure 89] This is a left side view showing the detailed configuration of structure 1000A. [Figure 90] This is a right side view showing the detailed configuration of structure 1000A. [Figure 91] This is a plan view showing the detailed configuration of structure 1000A. [Modes for carrying out the invention]

[0017] <Current situation> In recent years, structures have been used to cultivate plants or mushrooms, raise livestock, cultivate aquatic organisms, store goods, or install servers. To maintain a specific environment (temperature, humidity, etc.) inside these structures where plants or mushrooms, livestock, aquatic organisms, goods, and servers reside, air conditioning is provided for the interior of the structure. This has led to the problem that a large amount of energy is used for air conditioning inside the structure. The following describes an example of a variable structure that contributes to solving the above problem.

[0018] In the following embodiments, "front" means the X direction, "back" means the negative X direction, "left" means the negative Z direction, "right" means the Z direction, "down" means the negative Y direction, and "up" means the Y direction. Depth is the length in the X direction. Width is the length in the Z direction. Height is the distance from the floor in the Y direction.

[0019] In the following embodiments, the floor is approximately horizontal. Therefore, if it is approximately perpendicular to the floor, it is approximately vertical. If it is approximately parallel to the floor, it is approximately horizontal. The perspective view is a view from diagonally above. The front view is a view from the front. The rear view is a view from the rear. The left side view is a view from the left. The right side view is a view from the right. The plan view is a view from above.

[0020] In the following embodiments, a structure includes buildings and structures. A building is a structure fixed to the ground that has a roof and columns or walls. A structure is an artificial object fixed to the ground. A hose is a pipe that carries fluids such as air, and includes so-called "ducts".

[0021] In the following embodiments, the planar components may be curved components that cover the entire plane or a portion thereof. Blocking includes not only complete obstruction but also difficulty in passing through. For example, blocking A and B includes making it difficult to pass from B to A by covering the space between A and B with a wall.

[0022] In the following embodiments, "cultivating plants" does not necessarily mean that plants are always present. "Cultivating plants" includes situations where plants are no longer present after harvesting. It also includes situations where plants are present but not visible to the naked eye. The plants depicted in the drawings are in a fully grown state.

[0023] <First Embodiment> (1) Overall structure The overall configuration of Equipment 1 according to the first embodiment will now be described. Figure 1 is a schematic diagram showing the overall configuration of Equipment 1. Equipment 1 mainly consists of a greenhouse 10 and an air conditioner 11.

[0024] (1-1) Greenhouse A greenhouse 10 is a structure in which a frame is assembled and the top is covered with plastic sheeting or similar material, for the purpose of cultivating plants P. Plants P are cultivated inside the greenhouse 10.

[0025] The interior of the greenhouse 10 mainly consists of structure 100A and structure 100B. Structures 100A and 100B divide the interior of the greenhouse 10 into three areas: the area inside structure 100A I1, the area inside structure 100B I2, and the area outside structures 100A and 100B which is the interior of the greenhouse 10 I3. Details of structures 100A and 100B will be described later. The greenhouse 10 mainly has an entrance / exit 101, a passageway 102, and one or more lights (not shown).

[0026] Equipment 1 may be equipped with a greenhouse (such as a glass greenhouse or a plastic film greenhouse) instead of the vinyl greenhouse 10. The vinyl greenhouse 10 may or may not be a building.

[0027] (1-1-1) Entrance / exit The entrance / exit 101 is an entrance for people or equipment that will be performing agricultural work to move from the outside of the greenhouse 10 to the inside of the greenhouse 10. The entrance / exit 101 is also an exit for people or equipment that have performed agricultural work to move from the inside of the greenhouse 10 to the outside of the greenhouse 10. The entrance / exit 101 may be a structure that can be opened and closed (opening / closing opening) or a structure that is open (opening). The greenhouse 10 may have multiple entrances / exits 101.

[0028] Agricultural work refers to work performed on plants P by people or equipment. Examples of agricultural work include sowing, which is the work of planting seeds or seedlings of plants P; cultivation, which is the work performed for the growth of plants P (watering, spraying pesticides, pruning, fertilizing, pest control, etc.); harvesting, which is the work of harvesting all or part of plants P; soil work, which is the work of preparing the soil or tilling it; hydroponic work, which is the work of storing or changing nutrient solutions; and other agricultural work.

[0029] (1-1-2) Passageway Passageway 102 is a passageway used by people or equipment when agricultural work is carried out, and is an outside passageway of structures 100A and 100B.

[0030] (1-2) Air conditioner The air conditioner 11 provides air conditioning to inner chambers I1 and I2. Examples of air conditioning include cooling, heating, ventilation, air purification, dehumidification, and humidification. The air outlet of the air conditioner 11 is connected to inner chamber I1 by a hose (not shown). The air outlet of the air conditioner 11 is also connected to inner chamber I2 by a different hose (not shown) than the hose connected to inner chamber I1. The hose connecting the air outlet of the air conditioner 11 to inner chamber I1 and the hose connecting the air outlet of the air conditioner 11 to inner chamber I2 are examples of first hoses. The air conditioned by the air conditioner 11 is supplied to inner chambers I1 and I2 via the hoses.

[0031] Furthermore, the location where the air conditioner 11 is installed is not limited to the outside of the greenhouse 10. The air conditioner 11 may be installed in at least one of the following spaces: the inner space I1, the inner space I2, and the space I3.

[0032] (2) Detailed configuration The detailed configurations of structures 100A and 100B will now be described. Structure 100A is a variable structure whose configuration can be changed by the operation of structure 100A. Structure 100B is a variable structure whose configuration can be changed by the operation of structure 100B. A variable structure is a structure whose configuration can be changed. The structure of structure 100A and the structure of structure 100B are substantially symmetric with respect to the planes extending in the Y and Z directions. The functions of structure 100A and structure 100B are the same. The structure and function of structure 100A will be described below.

[0033] Figure 2 is a perspective view showing the detailed configuration of structure 100A. Figure 3 is a front view showing the detailed configuration of structure 100A. Figure 4 is a rear view showing the detailed configuration of structure 100A. Figure 5 is a left side view showing the detailed configuration of structure 100A. Figure 6 is a right side view showing the detailed configuration of structure 100A. Figure 7 is a top view showing the detailed configuration of structure 100A.

[0034] Structure 100A mainly consists of a front wall 110, a third guide rail 111, a fourth guide rail 112, and a ceiling 150.

[0035] The third guide rail 111 is installed approximately parallel to the floor F. The left and right ends of the third guide rail 111 are fixed to the vertical wall V of the greenhouse 10. The third guide rail 111 includes two rows of rails aligned in the X direction and extending in the Z direction. Of the two rows of rails, the front rail is referred to as the "third front rail." Of the two rows of rails, the rear rail is referred to as the "third rear rail."

[0036] The fourth guide rail 112 is positioned opposite the third guide rail 111 and is installed approximately parallel to the floor F. The left and right ends of the fourth guide rail 112 are fixed to the vertical wall V of the greenhouse 10. The fourth guide rail 112 includes two rows of rails aligned in the X direction and extending in the Z direction. Of the two rows of rails, the front rail is referred to as the "fourth front rail." Of the two rows of rails, the rear rail is referred to as the "fourth rear rail." The third front rail and the fourth front rail face each other. The third rear rail and the fourth rear rail face each other.

[0037] The front wall 110 is mainly composed of two slats SL. The two slats SL are substantially perpendicular to the floor F. The two slats SL are guided by a third guide rail 111 and a fourth guide rail 112 and can slide in the Z direction or the negative Z direction (the direction in which the third guide rail 111 and the fourth guide rail 112 extend). The appearance of the front wall 110 is changed by the sliding of the two slats SL guided by the third guide rail 111 and the fourth guide rail 112.

[0038] Of the two slats SL that make up the front wall 110, the left slat SL is referred to as the "left slat SL," and the right slat SL is referred to as the "right slat SL." The left slat SL can move left and right by sliding between the third front rail and the fourth front rail. The right slat SL can move left and right by sliding between the third rear rail and the fourth rear rail. The two slats SL are not connected to each other and can slide independently of each other. The two slats SL are arranged so that they do not overlap (collide) with each other even when moving left and right.

[0039] The front wall 110 is erected approximately perpendicular to the floor F. The front wall 110 faces the passageway 102. The left and right ends of the front wall 110 may be in contact with the vertical wall V. In other words, the left end of the left slat SL may be in contact with the vertical wall V. The right end of the right slat SL may be in contact with the vertical wall V.

[0040] The ceiling 150 faces the floor F, is approximately parallel to the floor F, and is approximately horizontal. The ceiling 150 is adjacent to the front wall 110 and is an example of the first component. The left end, right end, and rear end of the ceiling 150 are fixed to the vertical wall V. The ceiling 150 is provided with an opening 151 that communicates with a hose. The ceiling 150 is also provided with an opening 152 that communicates with the outside of the structure 100A.

[0041] The opening 151 is an example of a supply port. Air conditioned by the air conditioner 11 is supplied to the interior I1 via the air outlet of the air conditioner 11, a hose, and the opening 151. The opening 151 is located to the left of the approximate center in the Z direction of the structure 100A. The opening 151 is also located behind the approximate center in the X direction of the structure 100A.

[0042] The opening 151 may also be provided in the front wall 110. The opening 151 may also be provided to the right of the approximate center in the Z direction of the structure 100A. The opening 151 may also be provided in front of the approximate center in the X direction of the structure 100A.

[0043] Opening 152 is an example of an exhaust port. Opening 152 is located to the right of the approximate center in the Z direction of structure 100A. Also, opening 152 is located in front of the approximate center in the X direction of structure 100A.

[0044] The air inside I1 is discharged from inside I1 to the outside of structure 100A through opening 152. For example, opening 152 is connected to a hose (not shown) that is connected to the intake port of air conditioner 11. The hose connected to opening 152 is an example of a second hose. The air inside I1 flows to the intake port of air conditioner 11 via opening 152 and the hose.

[0045] The opening 152 may also be provided in the front wall 110. The opening 152 may also be provided to the left of the approximate center in the Z direction of the structure 100A. The opening 152 may also be provided behind the approximate center in the X direction of the structure 100A. The opening 152 may also be connected to a hose (not shown) that is connected to a location outside the greenhouse 10 other than the intake port of the air conditioner 11.

[0046] The area of ​​floor F where the plant P is cultivated is enclosed by the front wall 110, the ceiling 150, and the vertical wall V, thereby forming the interior I1. Specifically, the front wall 110 encloses the front side of the area of ​​floor F where the plant P is cultivated. The vertical wall V encloses the left, right, and rear sides of the area of ​​floor F where the plant P is cultivated. The ceiling 150 encloses the upper side of the area of ​​floor F where the plant P is cultivated.

[0047] The interior I1 is shielded from the outside of the structure 100A and the passage 102 by the front wall 110, the ceiling 150, and the vertical wall V. The space between the interior I1 and the outside of the structure 100A and the passage 102 is covered by the front wall 110, the ceiling 150, and the vertical wall V. People, equipment, and air have difficulty passing from the outside of the structure 100A and the passage 102 to the interior I1. Therefore, air supplied to the interior I1 through the opening 151 has difficulty flowing from the interior I1 to the outside of the structure 100A. Air in space I3 also has difficulty flowing into the interior I1. People or equipment have difficulty approaching the interior I1. People or equipment cannot secure a workspace. A workspace is the space necessary for agricultural work.

[0048] Plants P are cultivated in the inner chamber I1. A portion of the bed F in the inner chamber I1 contains either soil (not shown) in which plants P can be planted, or a nutrient solution (not shown) in which plants P can be immersed. In the inner chamber I1, plants P are either planted in soil or immersed in the nutrient solution.

[0049] Examples of configurations for the ceiling 150 and slat SL include, but are not limited to, a configuration of a frame and vinyl covering the frame, a configuration of a frame and glass covering the frame, a configuration of a frame and plastic film covering the frame, and a configuration in which the frame and the surface covering the frame are integrated.

[0050] The front wall 110 (with two slats SL) and the ceiling 150 include transparent or translucent vinyl, glass, or plastic film so that light from the lighting in space I3 can be transmitted to the interior I1. Because the front wall 110 (with two slats SL) and the ceiling 150 are transparent or translucent, the plants P inside I1 can be seen from the outside of the structure 100A.

[0051] The depth of structure 100A (depth of ceiling 150) is the value that ensures D1. D1 is the shortest distance in the X direction from plant P to front wall 110 when plant P has finished growing. D1 is preferably between 1 cm and 10 cm, but is not limited to this.

[0052] The height of structure 100A (height of front wall 110) is such that D2 is secured. D2 is the shortest distance in the Y direction from plant P to ceiling 150 when plant P has finished growing. D2 is preferably between 1 cm and 10 cm, but is not limited to this.

[0053] The width of structure 100A (the width between the front wall 110 and the ceiling 150) is the same as the width inside greenhouse 10.

[0054] The ceiling 150 is a component whose configuration cannot be changed. The front wall 110 is a component whose configuration can be changed. Therefore, the structure 100A is a variable structure. It should also be noted that the ceiling 150 is a component whose configuration can be changed.

[0055] The structure 100A may further include flooring (not shown). The flooring is in contact with the front wall 110 and the vertical wall V. The flooring is laid on the floor F of the interior I1 (all or part of the floor F of the interior I1). An opening 151 may be provided in the flooring. An opening 152 may be provided in the flooring. The interior I1 is formed by being enclosed by the flooring in addition to the front wall 110, the ceiling 150, and the vertical wall V.

[0056] The following describes various aspects of structure 100A. Figure 8 is a perspective view showing the detailed configuration of structure 100A. Figure 9 is a front view showing the detailed configuration of structure 100A. Figure 10 is a rear view showing the detailed configuration of structure 100A. The aspects of structure 100A shown in Figures 8, 9, and 10 are the same as those shown in Figures 2, 3, 4, 5, 6, and 7, but with the left slat SL slid in the Z direction. In this case, the left side view, right side view, and plan view showing the detailed configuration of structure 100A are the same as those shown in Figures 5, 6, and 7, and are therefore omitted.

[0057] The left slat SL has slid in the Z direction, so it is roughly aligned with the right slat SL in the X direction. The inner I1 is connected to the outside of structure 100A and the passage 102 via the left front side of structure 100A. The configuration of the front wall 110 has been changed from a state where the outside of structure 100A and the passage 102 were separated from the inner I1 to a state where the outside of structure 100A and the passage 102 were connected to the inner I1. As a working space has been secured, a person or equipment performing agricultural work can perform agricultural work on plants P via the front side of structure 100A.

[0058] Figure 11 is a perspective view showing the detailed configuration of structure 100A. Figure 12 is a front view showing the detailed configuration of structure 100A. Figure 13 is a rear view showing the detailed configuration of structure 100A. The configuration of structure 100A in Figures 11, 12, and 13 is the same as that of structure 100A in Figures 2, 3, 4, 5, 6, and 7, but with the right slat SL slid in the minus Z direction. In this case, the left side view, right side view, and plan view showing the detailed configuration of structure 100A are the same as in Figures 5, 6, and 7, and are therefore omitted.

[0059] The right slat SL has been slid in the negative Z direction, so it is roughly aligned with the left slat SL in the X direction. The inner I1 is connected to the outside of structure 100A and the passage 102 via the right front side of structure 100A. The configuration of the front wall 110 has been changed from a state where the outside of structure 100A and the passage 102 were blocked from the inner I1 to a state where the outside of structure 100A and the passage 102 were connected to the inner I1. As a working space has been secured, a person or equipment performing agricultural work can perform agricultural work on plants P via the front side of structure 100A.

[0060] Furthermore, the configuration of structure 100A in Figures 2, 3, 4, 5, 6, and 7 is also the configuration of structure 100A in Figures 8, 9, and 10, in which the left slat SL is slid in the negative Z direction. By changing the configuration of the front wall 110, the state in which the outside of structure 100A and the passage 102 are connected to the inside I1 is changed to a state in which the outside of structure 100A and the passage 102 are separated from the inside I1.

[0061] Furthermore, the configuration of structure 100A in Figures 2, 3, 4, 5, 6, and 7 is also the configuration of structure 100A in Figures 11, 12, and 13, in which the right slat SL is slid in the Z direction. By changing the configuration of the front wall 110, the state in which the outside of structure 100A and the passage 102 are connected to the inside I1 is changed to a state in which the outside of structure 100A and the passage 102 are separated from the inside I1.

[0062] (3) Operation The operation of equipment 1 when a person or device performs harvesting work will be described. Since the operation of structure 100A and structure 100B are similar, the operation of structure 100A will be described in detail. Figure 14 is a flowchart of the operation of equipment 1. Air heated by the air conditioner 11 is supplied to the inside I1 via a hose and opening 151. The configuration of structure 100A is shown in Figures 2, 3, 4, 5, 6, and 7.

[0063] Because the two slats SL cover the front of structure 100A, the outside of structure 100A and the passage 102 are isolated from the inside I1. The heated air supplied to inside I1 does not easily flow to the outside of structure 100A. The temperature inside I1 is maintained higher than the temperature of space I3. Therefore, inside I1 is a suitable environment for cultivating plant P. Plant P is in a state suitable for harvesting (has finished growing).

[0064] A person or device moves from outside the greenhouse 10 into the greenhouse 10 via the entrance / exit 101. The person or device moves to the passage 102 in front of the structure 100A. The person or device applies a force in the Z direction to the left of the two slats SL. Since the left slat SL and the right slat SL are independent, only the left slat SL receives the force in the Z direction. The left slat SL slides in the Z direction, guided by the third guide rail 111 and the fourth guide rail 112 (step S1).

[0065] As the left slat SL slides in the Z direction, the left slat SL is roughly aligned with the right slat SL in the X direction. The configuration of structure 100A is changed to the configuration of structure 100A in Figures 8, 9, and 10 (step S2). The left front side of structure 100A connects the outside of structure 100A and the passage 102 to the inside I1. Since working space is secured, a person or device can perform harvesting work on the plant P on the left side. The person or device begins harvesting work on the plant P on the left side.

[0066] Once the harvesting operation for the plant P on the left side is completed, a person or device applies a force in the negative Z direction to the left slat SL. Since the left slat SL and the right slat SL are independent, only the left slat SL receives the force in the negative Z direction. The left slat SL is slid in the negative Z direction, guided by the third guide rail 111 and the fourth guide rail 112 (step S3).

[0067] As the left slat SL is slid in the negative Z direction, the configuration of structure 100A is changed to the configuration of structure 100A in Figures 2, 3, 4, 5, 6, and 7 (step S4). The left front side of structure 100A is covered by the left slat SL, thus separating the outside of structure 100A from the passage 102 and the inside I1.

[0068] A person or device applies a force in the negative Z direction to the right slat SL of the two slats SL. Since the right slat SL and the left slat SL are independent of each other, only the right slat SL receives the force in the negative Z direction. The right slat SL is slid in the negative Z direction, guided by the third guide rail 111 and the fourth guide rail 112 (step S5).

[0069] As the right slat SL is slid in the negative Z direction, the right slat SL is roughly aligned with the left slat SL in the X direction. The configuration of structure 100A is changed to the configuration of structure 100A in Figures 11, 12, and 13 (step S6). The right front side of structure 100A connects the outside of structure 100A and the passage 102 with the inside I1. Since working space is secured, a person or device can perform harvesting work on the plant P on the right side. The person or device starts harvesting work on the plant P on the right side.

[0070] Once the harvesting of the plant P on the right side is complete, a person or device applies a force in the Z direction to the right slat SL. Since the right slat SL and the left slat SL are independent, only the right slat SL receives the force in the Z direction. The right slat SL is slid in the Z direction, guided by the third guide rail 111 and the fourth guide rail 112 (step S7).

[0071] As the right slat SL is slid in the Z direction, the configuration of structure 100A is changed to the configuration of structure 100A in Figures 2, 3, 4, 5, 6, and 7 (step S8). The right front side of structure 100A is covered by the right slat SL, thus separating the outside of structure 100A from the passage 102 and the inside I1.

[0072] (4) Features (4-1) The variable structure is installed inside another structure. Plants P are cultivated inside the variable structure, in interiors I1 and I2. The variable structure comprises a front wall 110 and a supply port. The front wall 110 can be modified and erected inside. The supply port is an opening that supplies conditioned air from an air conditioner 11 outside the variable structure to interiors I1 and I2, and is an opening that communicates with a first hose that communicates with the air conditioner 11. Interiors I1 and I2 of the variable structure are formed by being enclosed by at least the front wall 110 and at least one of the vertical wall V of the other structure and the ceiling of the other structure. By changing the configuration of the front wall 110, the state in which the outside of the variable structure is separated from interiors I1 and I2 can be changed to a state in which the outside is connected to interiors I1 and I2.

[0073] When cultivating plants inside a structure, air conditioning is provided to create an environment suitable for plant growth. The amount of energy required for air conditioning correlates with the volume of the structure's interior. Since plant cultivation requires agricultural work, the structure's interior must accommodate the space needed for this work. In non-variable structures whose configuration cannot be changed, the space required for agricultural work is maintained even when no work is being performed. Therefore, air conditioning is provided for the unnecessary space during times when no work is being done. This increases the amount of energy required for plant cultivation inside the structure, leading to increased costs associated with plant cultivation.

[0074] The variable structure is installed inside another structure, and plants P are cultivated in the inner I1 and inner I2. The variable structure can reduce the scope of air conditioning from the inside of the other structure to the inner I1 and inner I2. Therefore, the variable structure can achieve energy savings in the cultivation of plants P and reduce the cost of cultivating plants P.

[0075] The state in which the outside of the variable structure is separated from the inside I1 and inside I2 can be changed to a state in which the outside of the variable structure is connected to the inside I1 and inside I2. The state in which no workspace is secured can be changed to a state in which workspace is secured. As a result, the variable structure enables people or devices to work on plants P in the inside I1 and inside I2.

[0076] The inner sections I1 and I2 are formed by the vertical walls V of other structures. The variable structure uses less material to form the inner sections I1 and I2 compared to forming them without utilizing other structures. Therefore, the variable structure can reduce material costs while saving energy in cultivating plants P, thereby reducing the cost of cultivating plants P.

[0077] Other structures may be vulnerable to physical external forces. Therefore, external forces from strong winds, typhoons, or snow accumulation can damage these other structures. The variable structure and the other structures are interconnected, forming inner I1 and inner I2. When the other structures are subjected to external forces, these forces are also distributed to the variable structure. Therefore, the variable structure can protect the other structures and plants P from physical external forces.

[0078] (4-2) The variable structure further comprises a first component adjacent to the front wall 110. The first component is a ceiling 150 adjacent to the front wall 110. The interior I1 and interior I2 are formed by being enclosed by at least the front wall 110, the first component, and at least one of the vertical walls V of the other structure and the ceiling of the other structure.

[0079] The variable structure, in addition to the front wall 110, can be divided into an exterior and interior sections I1 and I2 by the ceiling 150. Therefore, the variable structure can reduce the scope of air conditioning. The variable structure can achieve energy savings in plant cultivation and reduce the costs associated with cultivating plant P.

[0080] When other structures are subjected to external forces, these forces are distributed not only to the front wall 110 but also to the ceiling 150. Therefore, the variable structure can protect other structures and plants P from physical external forces.

[0081] (4-3) The variable structure has a front wall 110 facing an outer passageway 102 used by people or equipment when work is performed on the plants P. By changing the configuration of the front wall 110, the state can be changed from one in which the passageway 102 is blocked from the inner I1 and inner I2 to one in which the passageway 102 is connected to the inner I1 and inner I2.

[0082] The front wall 110 is more susceptible to forces from people or devices in the passageway 102. Therefore, the variable structure allows people or devices to easily change the configuration of the front wall 110. In addition, the variable structure facilitates access to the plants P by people or devices from the passageway 102. Therefore, the variable structure facilitates work on the plants P by people or devices.

[0083] (4-4) The variable structure further includes a third guide rail 111 provided substantially parallel to the internal floor F, and a fourth guide rail 112 provided opposite the third guide rail 111 and substantially parallel to the floor F. The front wall 110 is guided and slid by the third guide rail 111 and the fourth guide rail 112, thereby changing the configuration of the front wall 110.

[0084] Since the front wall 110 is guided by the third guide rail 111 and the fourth guide rail 112, the force acting on the front wall 110 is less likely to be dispersed in an unspecified direction. The front wall 110 slides efficiently in a direction substantially parallel to the floor F. Therefore, the configuration of the front wall 110 of the variable structure can be easily changed by a person or device.

[0085] (4-5) The variable structure further includes exhaust ports, which are openings that discharge the air inside I1 and I2 from inside I1 and I2 to the outside.

[0086] Because air is supplied to the inside of the structure, air inside the structure may be expelled through gaps in the structure. In this case, problems may arise where the air is not expelled smoothly, causing the internal air pressure to rise. Furthermore, problems may arise where gaps in the structure widen over time. In addition, the flow of air inside the structure becomes random depending on the location of the gaps, which may result in uneven temperature or humidity.

[0087] The variable structure expels the air from inside I1 and inside I2 to the outside of the variable structure. Therefore, the variable structure can maintain stable air pressure and airflow inside I1 and inside I2. In addition, the variable structure can maintain its airtightness for a longer period of time.

[0088] (4-6) The variable structure has an exhaust port that is connected to a second hose which is connected to the intake port of the air conditioner 11.

[0089] The air supplied from the air conditioner 11 to the inner parts I1 and I2 via the supply port is discharged again to the intake port of the air conditioner 11. The air circulating between the air conditioner 11 and the inner parts I1 and I2 is less likely to flow into space I3. The air conditioner 11 can limit the air it conditioned to the air circulating between the air conditioner 11 and the inner parts I1 and I2. Therefore, the variable structure can achieve energy savings in the cultivation of plants P and reduce the costs associated with cultivating plants P.

[0090] (5) Variant Regarding the modified version of the first embodiment, we will omit explanations of points that are the same as those of the first embodiment and focus on explaining the differences from the first embodiment.

[0091] (5-1) Variation 1A (5-1-1) Composition Structures 100A and 100B may be installed inside the mushroom cultivation facility 20. The mushroom cultivation facility 20 refers to a building or greenhouse in which mushrooms M are cultivated. Figure 15 is a schematic diagram showing the overall configuration of equipment 1 according to modified example 1A.

[0092] Racks R are provided in inner I1 and inner I2. Mycelial culture bottles B are placed on racks R. Mushrooms M are cultivated in mycelial culture bottles B. The mycelial culture bottles B and mushrooms M together are called set MS. Mushrooms M may be cultivated in mushroom bed bags instead of mycelial culture bottles B. Passageway 102 is a passageway in space I3 used by people or equipment when mushroom work (work generally performed on mushrooms M in the mushroom cultivation facility 20) is carried out.

[0093] Mushroom work refers to work performed on mushrooms M by people or equipment. Examples of mushroom work include inoculation, which involves planting mushroom spawn; cultivation, which is the work performed to grow mushrooms M; harvesting, which involves harvesting all or part of the mushrooms M; and other mushroom work. The workspace is the space necessary for mushroom work.

[0094] Rack R has multiple platforms arranged approximately perpendicular to the floor F. For example, rack R has three platforms arranged approximately perpendicular to the floor F. Mushrooms M are cultivated on each platform.

[0095] The depth of structure 100A (depth of ceiling 150) is such that D3 (not shown) is ensured. D3 is the shortest distance in the X direction from rack R to front wall 110. D3 is preferably between 1 cm and 5 cm, but is not limited to this.

[0096] The height of structure 100A (height of front wall 110) is such that D4 (not shown) is ensured. D4 is the shortest distance in the Y direction from the uppermost mushroom M to the ceiling 150 when the mushroom M has finished growing. D4 is preferably between 1 and 10 centimeters, but is not limited to this.

[0097] The width of structure 100A (the width between the front wall 110 and the ceiling 150) is the same as the width of the interior of the mushroom cultivation facility 20.

[0098] (5-1-2) Characteristics (5-1-2-1) The variable structure is installed inside another structure. Mushrooms M are cultivated inside the variable structure, in interiors I1 and I2. The variable structure comprises a front wall 110 and a supply port. The front wall 110 can be modified and erected inside. The supply port is an opening that supplies conditioned air from an air conditioner 11 outside the variable structure to interiors I1 and I2, and is an opening that communicates with a first hose that communicates with the air conditioner 11. Interiors I1 and I2 of the variable structure are formed by being enclosed by at least the front wall 110 and at least one of the vertical wall V of the other structure and the ceiling of the other structure. By changing the configuration of the front wall 110, the state in which the outside of the variable structure is separated from interiors I1 and I2 can be changed to a state in which the outside is separated from interiors I1 and I2.

[0099] The variable structure enables energy savings in mushroom cultivation and reduces the cost of cultivating mushrooms M. The variable structure allows for human or equipment work on mushrooms M in inner I1 and inner I2. The variable structure reduces material costs while enabling energy savings in mushroom cultivation and reduces the cost of cultivating mushrooms M. The variable structure protects other structures and mushrooms M from physical external forces.

[0100] (5-1-2-2) The variable structure has a front wall 110 facing an outer passage 102 used by people or equipment when work is performed on the mushroom M by people or equipment. By changing the configuration of the front wall 110, the state in which the passage 102 is blocked from the inner I1 and inner I2 is changed to a state in which the passage 102 is connected to the inner I1 and inner I2.

[0101] Therefore, the variable structure facilitates the work of people or equipment on the mushroom M.

[0102] (5-2) Variation 1B Structures 100A and 100B may be installed inside the plant factory 30. The plant factory 30 refers to a building in which plants P are cultivated. Figure 16 is a schematic diagram showing the overall configuration of equipment 1 according to modified example 1B.

[0103] Racks R are provided in inner sections I1 and I2. Plants P are cultivated on racks R. Plants P are planted in soil (not shown) on racks R or immersed in nutrient solution (not shown) on racks R. Lighting devices (not shown) that serve as a light source for plants P may be provided in structures 100A and 100B, or on racks R. The configuration of rack R is the same as in modified example 1A, so a description is omitted.

[0104] The depth and width of structure 100A in Modification 1B are the same as those of structure 100A in Modification 1A, so their description is omitted. The height of structure 100A (height of front wall 110) is a value that ensures D5 (not shown). D5 is the shortest distance in the Y direction from plant P to ceiling 150 when plant P has finished growing. D5 is preferably between 1 cm and 10 cm, but is not limited to this.

[0105] (5-3) Modification 1C (5-3-1) Structure Structures 100A and 100B may be located inside the server room 40. The server room 40 is a room where servers are installed. The server room 40 may be located inside other buildings (such as data centers, commercial buildings, industrial buildings, agricultural buildings, or residential buildings). Figure 17 is a schematic diagram showing the overall configuration of equipment 1 according to modified example 1C.

[0106] Server SVs are installed in inner I1 and inner I2. Passageway 102 is a passageway in space I3 used by people or equipment when server work (work performed by server engineers on server SVs) is carried out.

[0107] Server work refers to work performed on a server (SV) by a person or equipment. Examples of server work include maintenance work to keep the server (SV) in working order, replacement work to replace all or part of the server (SV), testing work to test the server (SV), and other server work. The workspace is the space required for server work.

[0108] Furthermore, the space I3, which is outside structures 100A and 100B and inside the server room 40, may be furnished with desks and chairs and used as a workspace. Alternatively, desks and chairs may be placed in place of either structure 100A or structure 100B and used as a workspace. In addition to the server SV, or in place of the server SV, other machinery requiring air conditioning may be installed in the interior spaces I1 and I2.

[0109] The depth of structure 100A (depth of ceiling 150) is such that D6 (not shown) is secured. D6 is the shortest distance in the X direction from server SV to front wall 110. D6 is preferably between 5 and 20 centimeters, but is not limited to this.

[0110] The height of structure 100A (height of front wall 110) is such that D7 (not shown) is ensured. D7 is the shortest distance in the Y direction from server SV to ceiling 150. D7 is preferably between 5 and 20 centimeters, but is not limited to this.

[0111] The width of structure 100A (the width between the front wall 110 and the ceiling 150) is the same as the width inside server room 40.

[0112] (5-3-2) Characteristics (5-3-2-1) The variable structure is installed inside another structure. Server SV is installed inside I1 and I2 of the variable structure. The variable structure comprises a front wall 110 and a supply port. The front wall 110 can be modified and erected inside. The supply port is an opening that supplies conditioned air from an air conditioner 11 outside the variable structure to inside I1 and I2, and is an opening that communicates with a first hose that communicates with the air conditioner 11. Inside I1 and I2 of the variable structure are formed by being enclosed by at least the front wall 110 and at least one of the vertical wall V of the other structure and the ceiling of the other structure. By changing the configuration of the front wall 110, the state in which the outside of the variable structure is separated from inside I1 and I2 can be changed to a state in which the outside is separated from inside I1 and I2.

[0113] Variable structures enable energy savings in the operation of server SVs and reduce the costs associated with their operation. Variable structures allow for human or equipment work on server SVs in inner I1 and inner I2. Variable structures enable energy savings in the operation of server SVs while keeping material costs down and reducing the costs associated with their operation. Variable structures can protect other structures and server SVs from physical external forces.

[0114] (5-3-2-2) The variable structure has a front wall 110 facing an outer passage 102 used by people or equipment when work is performed on the server SV by people or equipment. By changing the configuration of the front wall 110, the state can be changed from one in which the passage 102 is blocked from the inner I1 and inner I2 to one in which the passage 102 is connected to the inner I1 and inner I2.

[0115] Therefore, the variable structure facilitates the work of people or equipment on the server SV.

[0116] (5-3-2-3) In a variable structure, the supply port is located approximately vertically above the approximate vertical center of the variable structure.

[0117] To create an environment suitable for server operation, the space where the servers are installed may be cooled or dehumidified. Cooled air is heavier than uncooled air, so it moves from top to bottom. Similarly, dehumidified air is heavier than unhumidified air, so it also moves from top to bottom.

[0118] In a variable structure, the supply port is located approximately vertically above the approximate vertical center of the variable structure. When cooled or dehumidified air is supplied to the supply port, the cooled or dehumidified air moves approximately vertically upward to approximately vertically downward. The variable structure creates airflow in the inner I1 and inner I2, making it less likely for temperature and humidity unevenness to occur in the inner I1 and inner I2. Therefore, the variable structure makes the inner I1 and inner I2 an environment more suitable for the operation of the server SV.

[0119] (5-4) Modification 1D (5-4-1) Composition Structures 100A and 100B may be installed inside the warehouse 50. Examples of warehouse 50 include, but are not limited to, a cold storage warehouse and a refrigerated warehouse. Figure 18 is a schematic diagram showing the overall configuration of equipment 1 according to modified example 1D. Inside I1 and inside I2, goods G are stored instead of plants P being cultivated.

[0120] Specifically, racks R are provided in inner I1 and inner I2, and goods G are stored in racks R. Goods G include goods packaged in cardboard boxes, etc. Racks R are the same as in Modification 1A, so their explanation is omitted. Passageway 102 is a passageway in space I3 used by people or equipment when warehouse work is performed.

[0121] Warehouse operations are tasks performed by people or equipment (robots, vehicles, etc.) on goods G. Examples of warehouse operations include loading goods G onto racks R, picking goods G from racks R, checking the quantity and condition of goods G, and other warehouse operations. The workspace is the space necessary for warehouse operations. A roller conveyor (not shown) for transporting goods G may be provided inside the warehouse 50.

[0122] The depth and width of structure 100A are the same as in modified example 1A, so their description is omitted. The height of structure 100A (height of front wall 110) is such that D8 (not shown) is ensured. D8 is the shortest distance in the Y direction from the product G stored on the top shelf of rack R to the ceiling 150. D8 is preferably between 5 and 10 centimeters, but is not limited to this.

[0123] (5-4-2) Characteristics (5-4-2-1) The variable structure is installed inside another structure. Goods G are stored inside I1 and I2 of the variable structure. The variable structure comprises a front wall 110 and a supply port. The front wall 110 can be modified and erected inside. The supply port is an opening that supplies conditioned air from an air conditioner 11 outside the variable structure to inside I1 and I2, and is an opening that communicates with a first hose that communicates with the air conditioner 11. Inside I1 and I2 of the variable structure are formed by being enclosed by at least the front wall 110 and at least one of the vertical wall V of the other structure and the ceiling of the other structure. By changing the configuration of the front wall 110, the state in which the outside of the variable structure is separated from inside I1 and I2 can be changed to a state in which the outside is separated from inside I1 and I2.

[0124] The variable structure enables energy savings in the storage of product G and reduces the costs associated with storing product G. The variable structure allows for human or equipment to work on product G in interior I1 and interior I2. The variable structure enables energy savings in the storage of product G while keeping material costs down and reducing the costs associated with storing product G. The variable structure can protect other structures and product G from physical external forces.

[0125] (5-4-2-2) The variable structure has a front wall 110 that faces an outer passage 102 used by people or devices when work is performed on product G. By changing the configuration of the front wall 110, the state can be changed from one in which the passage 102 is blocked from the inner I1 and inner I2 to one in which the passage 102 is connected to the inner I1 and inner I2.

[0126] Therefore, the variable structure facilitates the work of people or equipment on product G.

[0127] (5-5) Modification 1E (5-5-1) Composition Structures 100A and 100B may be installed inside the livestock shed 60. Figure 19 is a schematic diagram showing the overall configuration of facility 1 according to modified example 1G. Livestock L are raised in inner I1 and inner I2. In Figure 19, livestock L are cattle, but are not limited to cattle. Passageway 102 is a passageway in space I3 used by people or equipment when livestock farming work is carried out.

[0128] Livestock farming operations are tasks performed on livestock L by people or equipment. Examples of livestock farming operations include feeding livestock L, cleaning operations to remove manure and urine from livestock L, health operations such as treatment, prevention, and breeding of livestock L, harvesting operations such as harvesting eggs, wool, meat, and milk from livestock L, and other livestock farming operations. The work space is the space necessary for livestock farming operations.

[0129] The depth of structure 100A is the sum of the depth of the livestock L and 30 cm to 1 m, but is not limited to this. The width of structure 100A is the sum of the widths of all the livestock L housed in structure 100A and 50 cm to 2 m, but is not limited to this. The height of structure 100A is the sum of the height of the person performing the livestock work and 10 cm to 30 cm, but is not limited to this.

[0130] (5-5-2) Features (5-5-2-1) The variable structure is installed inside another structure. Livestock L are kept inside I1 and I2 of the variable structure. The variable structure comprises a front wall 110 and a supply port. The front wall 110 can be modified and erected inside. The supply port is an opening that supplies air-conditioned air from an air conditioner 11 outside the variable structure to inside I1 and I2, and is an opening that communicates with a first hose that communicates with the air conditioner 11. Inside I1 and I2 of the variable structure are formed by being enclosed by at least the front wall 110 and at least one of the vertical wall V of the other structure and the ceiling of the other structure. By changing the configuration of the front wall 110, the state in which the outside of the variable structure is separated from inside I1 and I2 can be changed to a state in which the outside is separated from inside I1 and I2.

[0131] The variable structure enables energy savings in raising livestock L and reduces the cost of raising livestock L. The variable structure allows for human or equipment work on livestock L in inner I1 and inner I2. The variable structure enables energy savings in raising livestock L while keeping material costs down and reduces the cost of raising livestock L. The variable structure can protect other structures and livestock L from physical external forces.

[0132] (5-5-2-2) The variable structure has a front wall 110 facing an outer passage 102 used by people or equipment when work is performed on livestock L by people or equipment. By changing the configuration of the front wall 110, the state can be changed from one in which the passage 102 is blocked from the inner I1 and inner I2 to one in which the passage 102 is connected to the inner I1 and inner I2.

[0133] Therefore, the variable structure facilitates the work of people or equipment on livestock L.

[0134] (5-6) Modification 1F (5-6-1) Composition Structures 100A and 100B may be installed inside the land-based aquaculture farm 70. Figure 20 is a schematic diagram showing the overall configuration of facility 1 according to modified example 1F. In the inner areas I1 and I2, aquatic organisms Q are farmed instead of plants P. Specifically, tanks A are provided in the inner areas I1 and I2, and aquatic organisms Q are farmed in the water W stored in tanks A. The aquatic organisms Q in Figure 20 are fish, but are not limited to fish. The passageway 102 is a passageway in space I3 used by people or equipment when aquaculture work is carried out.

[0135] Aquaculture operations are human or equipment-based operations performed on aquatic organisms Q. Examples of aquaculture operations include feeding aquatic organisms Q, cleaning operations such as removing waste and cleaning tanks A, water operations such as supplying water W, changing water W, and testing water quality, health operations such as treating, preventing, and breeding aquatic organisms Q, harvesting operations such as harvesting eggs and flesh of aquatic organisms Q, and other aquaculture operations. The workspace is the space necessary for aquaculture operations.

[0136] The depth of structure 100A is the sum of the depth of tank A and 5cm to 30cm, but is not limited to this. The width of structure 100A is the sum of the width of tank A and 5cm to 30cm, but is not limited to this. The height of structure 100A is the sum of the height of the person performing the aquaculture work and 10cm to 30cm, but is not limited to this.

[0137] (5-6-2) Characteristics (5-6-2-1) The variable structure is installed inside another structure. Aquatic organisms Q are cultivated inside the variable structure, in interiors I1 and I2. The variable structure comprises a front wall 110 and a supply port. The front wall 110 can be modified and erected inside. The supply port is an opening that supplies conditioned air from an air conditioner 11 outside the variable structure to interiors I1 and I2, and is an opening that communicates with a first hose that communicates with the air conditioner 11. Interiors I1 and I2 of the variable structure are formed by being enclosed by at least the front wall 110 and at least one of the vertical wall V of the other structure and the ceiling of the other structure. By changing the configuration of the front wall 110, the state in which the outside of the variable structure is separated from interiors I1 and I2 can be changed to a state in which the outside is separated from interiors I1 and I2.

[0138] The variable structure enables energy savings in the cultivation of aquatic organisms Q and reduces the costs associated with cultivating them. The variable structure allows for human or equipment work on the aquatic organisms Q in inner I1 and inner I2. The variable structure reduces material costs while enabling energy savings in the cultivation of aquatic organisms Q and reduces the costs associated with cultivating them. The variable structure protects other structures and the aquatic organisms Q from physical external forces.

[0139] (5-6-2-2) The variable structure has a front wall 110 facing an outer passageway 102 used by people or equipment when work is performed on aquatic organisms Q. By changing the configuration of the front wall 110, the state can be changed from one in which the passageway 102 is blocked from the inner I1 and inner I2 to one in which the passageway 102 is connected to the inner I1 and inner I2.

[0140] Therefore, the variable structure facilitates the work of people or devices on aquatic organisms Q.

[0141] (5-7) Variation 1G In the first embodiment and modifications 1A, 1B, 1C, 1D, 1E, and 1F, the front wall 110 may be modified in appearance by control of a control device (not shown). In other words, the slat SL may slide along the third guide rail 111 and the fourth guide rail 112 by control of the control device.

[0142] <Second Embodiment> (1) Overall structure The overall configuration of equipment 2 according to the second embodiment will be described below. Hereinafter, similarities between the first and second embodiments will be omitted, and the differences between the first and second embodiments will be the focus of the description. Figure 21 is a schematic diagram showing the overall configuration of equipment 2 according to the second embodiment. Equipment 2 mainly comprises a greenhouse 10 and an air conditioner 11.

[0143] (1-1) Greenhouse The interior of the greenhouse 10 mainly consists of structure 200A and structure 200B. Structures 200A and 200B divide the interior of the greenhouse 10 into three areas: the area inside structure 200A I4, the area inside structure 200B I5, and the area outside structures 200A and 200B, which is the interior of the greenhouse 10. Details of structures 200A and 200B will be described later.

[0144] In addition, facility 2 may be equipped with a greenhouse (such as a glass greenhouse or a plastic film greenhouse) instead of the vinyl greenhouse 10.

[0145] (1-2) Air conditioner The air outlet of the air conditioner 11 is connected to the interior I4 by a hose (not shown). The air outlet of the air conditioner 11 is also connected to the interior I5 by a different hose (not shown) than the one connected to the interior I4. The hose connecting the air outlet of the air conditioner 11 to the interior I4 and the hose connecting the air outlet of the air conditioner 11 to the interior I5 are examples of first hoses. The air conditioned by the air conditioner 11 is supplied to the interior I4 and interior I5 via the hoses.

[0146] (2) Detailed configuration The detailed configurations of structures 200A and 200B will now be described. Structure 200A is a variable structure whose configuration can be changed by the operation of structure 200A. Structure 200B is a variable structure whose configuration can be changed by the operation of structure 200B. The structure of structure 200A and the structure of structure 200B are substantially symmetric with respect to the planes extending in the Y and Z directions. The functions of structure 200A and structure 200B are the same. The structure and function of structure 200A will be described below.

[0147] Figure 22 is a perspective view showing the detailed configuration of structure 200A. Figure 23 is a front view showing the detailed configuration of structure 200A. Figure 24 is a rear view showing the detailed configuration of structure 200A. Figure 25 is a left side view showing the detailed configuration of structure 200A. Figure 26 is a right side view showing the detailed configuration of structure 200A. Figure 27 is a top view showing the detailed configuration of structure 200A.

[0148] Structure 200A mainly comprises a front wall 210, a third guide rail 111, and a fourth guide rail 112. The structure and function of the third guide rail 111 and the fourth guide rail 112 are the same as in the first embodiment, so a description is omitted.

[0149] The front wall 210 is mainly composed of two slats SL and an upper plate 211. The structure and function of the slats SL are the same as in the first embodiment, so a description is omitted.

[0150] The lower end of the upper plate 211 is in contact with the fourth guide rail 112. The upper end of the upper plate 211 is in contact with the ceiling C of the greenhouse 10. The left and right ends of the upper plate 211 are in contact with the vertical wall V.

[0151] The top plate 211 is provided with an opening 251 that communicates with a hose (not shown). The top plate 211 is also provided with an opening 252 that communicates with the outside of the structure 200A.

[0152] The opening 251 is an example of a supply port. Air conditioned by the air conditioner 11 is supplied to the interior I4 through the opening 251. The opening 251 is located to the left of the approximate center in the Z direction of the structure 200A.

[0153] The opening 251 may also be provided in the slat SL. Furthermore, the opening 251 may be provided to the right of the approximate center in the Z direction of the structure 200A.

[0154] Opening 252 is an example of an exhaust port. Opening 252 is located to the right of the approximate center in the Z direction of the structure 200A.

[0155] The air inside I4 is discharged from inside I4 to the outside of the structure 200A through the opening 252. For example, the opening 252 is connected to a hose (not shown) that is connected to the intake port of the air conditioner 11. The hose connected to the opening 252 is an example of a second hose. The air inside I4 flows to the intake port of the air conditioner 11 through the opening 252 and the hose.

[0156] The opening 252 may also be provided in the slat SL. The opening 252 may also be provided to the left of the approximate center in the Z direction of the structure 200A. The opening 252 may also be connected to a hose (not shown) that is connected to a location outside the greenhouse 10 other than the intake port of the air conditioner 11.

[0157] The front wall 210 is erected approximately perpendicular to the floor F. The front wall 210 faces the passageway 102.

[0158] The area of ​​floor F where the plant P is cultivated is enclosed by the front wall 210, the ceiling C, and the vertical wall V, thereby forming the interior I4. Specifically, the front wall 210 encloses the front side of the area of ​​floor F where the plant P is cultivated. The vertical wall V encloses the left, right, and rear sides of the area of ​​floor F where the plant P is cultivated. The ceiling C encloses the upper side of the area of ​​floor F where the plant P is cultivated.

[0159] The interior space I4 is shielded from the outside of the structure 200A and the passage 102 by the front wall 210, the ceiling C, and the vertical wall V. The space between the interior space I4 and the outside of the structure 200A and the passage 102 is covered by the front wall 210, the ceiling C, and the vertical wall V. It becomes difficult for people, equipment, and air to pass from the outside of the structure 200A and the passage 102 to the interior space I4. Therefore, air supplied to the interior space I4 through the opening 251 does not easily flow from the interior space I4 to the outside of the structure 200A. Air in space I6 also does not easily flow into the interior space I4. It is difficult for people or equipment to approach the interior space I4. People or equipment cannot secure a working space.

[0160] Plants P are cultivated in the inner part I4. Some of the bed F in the inner part I4 is filled with soil (not shown) in which plants P can be planted, or with a nutrient solution (not shown) in which plants P can be immersed. In the inner part I4, plants P are either planted in soil or immersed in the nutrient solution.

[0161] Examples of the configuration of the top plate 211 include, but are not limited to, a configuration of a frame and vinyl covering the frame, a configuration of a frame and glass covering the frame, a configuration of a frame and plastic film covering the frame, and a configuration in which the frame and the surface covering the frame are integrated.

[0162] The top plate 211 includes a transparent or translucent vinyl, glass, or plastic film so that the light from the lighting in the space I6 is transmitted to the interior I4. Because the top plate 211 is transparent or translucent, the plants P in the interior I4 are visible from the outside of the structure 200A.

[0163] Structure 200A is installed so as to ensure D9. D9 is the shortest distance in the X direction from plant P to the front wall 310 when plant P has finished growing. D9 is preferably between 1 and 10 centimeters, but is not limited to this. The height of structure 200A (height of front wall 210) is the same as the interior height of greenhouse 10 at the location where structure 200A is installed. The width of structure 200A (width of front wall 210) is the same as the interior width of greenhouse 10.

[0164] The front wall 210 is a component whose configuration can be changed. Therefore, the structure 200A is a variable structure.

[0165] The structure 200A may further include flooring (not shown). The flooring is in contact with the front wall 210 and the vertical wall V. The flooring is laid on the floor F of the interior I4 (all or part of the floor F of the interior I4). An opening 251 may be provided in the flooring. An opening 252 may be provided in the flooring. The interior I4 is formed by being enclosed by the flooring in addition to the front wall 210, the ceiling C, and the vertical wall V.

[0166] (3) Variant Regarding the modified version of the second embodiment, we will omit explanations of points that are the same as those of the second embodiment and focus on explaining the differences from the second embodiment.

[0167] (3-1) Modification 2A Structures 200A and 200B may be installed inside any of the following: the mushroom cultivation facility 20, the plant factory 30, the server room 40, the warehouse 50, the livestock shed 60, or the land-based aquaculture farm 70.

[0168] (3-2) Modification 2B In the second embodiment, modification 2A, the front wall 210 may be modified in appearance by control of a control device (not shown). In other words, the slat SL may slide along the third guide rail 111 and the fourth guide rail 112 by control of the control device.

[0169] <Third Embodiment> (1) Overall structure The overall configuration of the equipment 3 according to the third embodiment will now be described. Hereinafter, similarities between the first and third embodiments will be omitted, and the differences between the first and third embodiments will be the focus of the description. Figure 28 is a schematic diagram showing the overall configuration of the equipment 3 according to the third embodiment. Equipment 3 mainly comprises a greenhouse 10 and an air conditioner 11.

[0170] (1-1) Greenhouse The interior of the greenhouse 10 mainly consists of structure 300A and structure 300B. Structures 300A and 300B divide the interior of the greenhouse 10 into three areas: the area inside structure 300A I7, the area inside structure 300B I8, and the area outside structures 300A and 300B, which is also the interior of the greenhouse 10. Details of structures 300A and 300B will be described later.

[0171] In addition, facility 3 may be equipped with a greenhouse (such as a glass greenhouse or a plastic film greenhouse) instead of the vinyl greenhouse 10.

[0172] (1-2) Air conditioner The air outlet of the air conditioner 11 is connected to the interior I7 by a hose (not shown). The air outlet of the air conditioner 11 is also connected to the interior I8 by a different hose (not shown) than the one connected to the interior I7. The hose connecting the air outlet of the air conditioner 11 to the interior I7, and the hose connecting the air outlet of the air conditioner 11 to the interior I8, are examples of first hoses. The air conditioned by the air conditioner 11 is supplied to the interior I7 and interior I8 via the hoses.

[0173] (2) Detailed configuration The detailed configurations of structures 300A and 300B will now be described. Structure 300A is a variable structure whose configuration can be changed by the operation of structure 300A. Structure 300B is a variable structure whose configuration can be changed by the operation of structure 300B. The structure of structure 300A and the structure of structure 300B are substantially symmetric with respect to the planes extending in the Y and Z directions. The functions of structure 300A and structure 300B are the same. The structure and function of structure 300A will be described below.

[0174] Figure 29 is a perspective view showing the detailed configuration of structure 300A. Figure 30 is a front view showing the detailed configuration of structure 300A. Figure 31 is a rear view showing the detailed configuration of structure 300A. Figure 32 is a left side view showing the detailed configuration of structure 300A. Figure 33 is a right side view showing the detailed configuration of structure 300A. Figure 34 is a top view showing the detailed configuration of structure 300A.

[0175] Structure 300A mainly consists of a front wall 310, a third guide rail 311, a fourth guide rail 312, a case 313, and a right-side wall 330.

[0176] The third guide rail 311 is installed approximately parallel to the floor F. The fourth guide rail 312 is installed opposite the third guide rail 311 and approximately parallel to the floor F.

[0177] The front wall 310 is mainly composed of a plurality of slats SL and an upper plate 314. For example, the front wall 310 is mainly composed of 14 slats SL and an upper plate 314. The slats SL are connected to other adjacent slats SL. The slats SL are substantially perpendicular to the floor F. The slats SL can be slid in the Z direction or the negative Z direction (the direction in which the third guide rails 311 and the fourth guide rails 312 extend), guided by the third guide rail 311 and the fourth guide rail 312. The appearance of the front wall 310 is changed by the sliding of the slats SL guided by the third guide rail 311 and the fourth guide rail 312.

[0178] The lower end of the upper plate 314 is in contact with the fourth guide rail 312. The upper end of the upper plate 314 is in contact with the ceiling C. The left end of the upper plate 314 is in contact with the vertical wall V. The right end of the upper plate 314 is in contact with the right side wall 330.

[0179] The upper plate 314 is provided with an opening 351 that communicates with a hose (not shown). The opening 351 is an example of a supply port. Air conditioned by the air conditioner 11 is supplied to the inside I7 through the opening 351. The opening 351 is located to the left of the approximate center in the Z direction of the structure 300A.

[0180] The opening 351 may also be provided in the slat SL or the right side wall 330. Furthermore, the opening 351 may be provided to the right of the approximate center in the Z direction of the structure 300A.

[0181] The front wall 310 is erected approximately perpendicular to the floor F. The front wall 310 faces the passageway 102.

[0182] Case 313 is provided on the right side of the front wall 310 and behind the third guide rail 311 and the fourth guide rail 312. Case 313 accommodates the slats SL that slide in the Z direction. Case 313 is provided so as to accommodate all of the slats SL that make up the front wall 310. Case 313 may also be provided on the left side of the front wall 310.

[0183] The right-side wall 330 is erected approximately perpendicular to the floor F. The right-side wall 330 is in contact with the front wall 310, the ceiling C, and the vertical wall V. The right-side wall 330 is an example of the first component. The right-side wall 330 is provided with an opening 352 that communicates with the outside of the structure 300A.

[0184] Opening 352 is an example of an exhaust port. Opening 352 is located behind the center of the structure 300A in the approximate X direction.

[0185] The air inside I7 is discharged from inside I7 to the outside of structure 300A through opening 352. For example, opening 352 is connected to a hose (not shown) that is connected to the intake port of air conditioner 11. The hose connected to opening 352 is an example of a second hose. The air inside I7 flows to the intake port of air conditioner 11 via opening 352 and the hose.

[0186] The opening 352 may also be provided in the front wall 310. The opening 352 may also be provided in front of the center of the structure 300A in the approximate X direction. The opening 352 may also be connected to a hose (not shown) that is connected to a location outside the greenhouse 10 other than the intake port of the air conditioner 11.

[0187] The area of ​​floor F where the plant P is cultivated is enclosed by the front wall 310, the right side wall 330, the ceiling C, and the vertical wall V, thereby forming the interior I7. Specifically, the front wall 310 encloses the front of the area of ​​floor F where the plant P is cultivated. The vertical wall V encloses the left side of the area of ​​floor F where the plant P is cultivated. The right side wall 330 encloses the right side of the area of ​​floor F where the plant P is cultivated. The vertical wall V encloses the rear of the area of ​​floor F where the plant P is cultivated. The ceiling C encloses the upper part of the area of ​​floor F where the plant P is cultivated.

[0188] The interior space I7 is shielded from the outside of the structure 300A and the passage 102 by the front wall 310, the right side wall 330, the ceiling C, and the vertical wall V. The space between the interior space I7 and the outside of the structure 300A and the passage 102 is covered by the front wall 310, the right side wall 330, the ceiling C, and the vertical wall V. It becomes difficult for people, equipment, and air to pass from the outside of the structure 300A and the passage 102 to the interior space I7. Therefore, air supplied to the interior space I7 through the opening 351 does not easily flow from the interior space I7 to the outside of the structure 300A. Air in space I9 also does not easily flow into the interior space I7. It is difficult for people or equipment to approach the interior space I7. People or equipment cannot secure working space.

[0189] Plants P are cultivated in the interior I7. Part or all of the floor F in the interior I7 contains soil (not shown) in which plants P can be planted, or a nutrient solution (not shown) in which plants P can be immersed. In the interior I7, plants P are either planted in soil or immersed in nutrient solution.

[0190] Examples of configurations between the right-side wall 330 and the slat SL include, but are not limited to, a configuration of a frame and vinyl covering the frame, a configuration of a frame and glass covering the frame, a configuration of a frame and plastic film covering the frame, and a configuration in which the frame and the surface covering the frame are integrated.

[0191] The front wall 310 (14 slats SL) and the right side wall 330 include transparent or translucent vinyl, glass, or plastic film so that the light from the lighting in space I9 is ​​transmitted to the interior I7. Because the front wall 310 (14 slats SL) and the right side wall 330 are transparent or translucent, the plants P in the interior I7 are visible from the outside of the structure 300A. Note that case 313 does not necessarily have to include transparent or translucent vinyl, glass, or plastic film.

[0192] The depth of structure 300A (the depth of the right wall 330) is such that D10 is secured. D10 is the shortest distance in the X direction from plant P to the front wall 310 when plant P has finished growing. D10 is preferably between 1 cm and 10 cm, but is not limited to this.

[0193] The height of structure 300A (the height of the front wall 310 and the right side wall 330) is the same as the height inside the greenhouse 10 at the location where structure 300A is installed.

[0194] The width of structure 300A (width of front wall 310) is the value that ensures D11. D11 is the shortest distance in the Z direction from plant P to the right wall 330 when plant P has finished growing. D11 is preferably between 1 cm and 10 cm, but is not limited to this.

[0195] The structure 300A may further include flooring (not shown). The flooring is in contact with the front wall 310, the vertical wall V, and the right side wall 330. The flooring is laid on the floor F of the interior I7 (all or part of the floor F of the interior I7). An opening 351 may be provided in the flooring. An opening 352 may be provided in the flooring. The interior I7 is formed by being enclosed by the front wall 310, the right side wall 330, the ceiling C, the vertical wall V, and the flooring.

[0196] The right-side wall 330 is a component whose configuration cannot be changed. The front wall 310 is a component whose configuration can be changed. Therefore, structure 300A is a variable structure. Note that the right-side wall 330 may also be a component whose configuration can be changed. Various configurations of structure 300A will be described below.

[0197] Figure 35 is a perspective view showing the detailed configuration of structure 300A. The configuration of structure 300A in Figure 35 is a configuration in which the slat SL is slid in the Z direction, compared to the configurations of structure 300A in Figures 29, 30, 31, 32, 33, and 34.

[0198] Of the 14 slats SL, 7 slats SL are housed in case 313. The outside of structure 300A and passage 102 are connected to the inside I7 via the front of structure 300A. The configuration of the front wall 310 has been changed from a state where the outside of structure 300A and passage 102 and inside I7 were blocked off to a state where the outside of structure 300A and passage 102 and inside I7 are connected. Since a working space is secured, a person or equipment performing agricultural work can perform agricultural work on plants P via the front of structure 300A.

[0199] Figure 36 is a perspective view showing the detailed configuration of structure 300A. The configuration of structure 300A in Figure 36 is the same as the configuration of structure 300A in Figure 35, but with the slat SL slid in the Z direction.

[0200] The 14 slats SL are housed in case 313. The outside and the passage 102 and the inside I7 of structure 300A are connected via the front of structure 300A. Because a working space is provided, a person or equipment performing agricultural work can perform agricultural work on the plants P via the front of structure 300A.

[0201] Furthermore, the configuration of structure 300A in Figure 35 is also a configuration in which the slat SL is slid in the negative Z direction from the configuration of structure 300A in Figure 36. Furthermore, the configurations of structure 300A in Figures 29, 30, 31, 32, 33, and 34 are also configurations in which the slat SL is slid in the negative Z direction from the configuration of structure 300A in Figure 35. By changing the configuration of the front wall 310, the state in which the outside of structure 300A and the passage 102 and the inside I7 are connected is changed to a state in which the outside of structure 300A and the passage 102 and the inside I7 are separated.

[0202] (3) Operation The operation of equipment 3 when a person or device performs harvesting work will be described. Since the operation of structure 300A and structure 300B are similar, the operation of structure 300A will be described in detail. Figure 37 is a flowchart of the operation of equipment 3. Air heated by the air conditioner 11 is supplied to the inside I7 via a hose and opening 351. The configuration of structure 300A is shown in Figures 29, 30, 31, 32, 33, and 34.

[0203] Because 14 slats SL cover the front of structure 300A, the outside of structure 300A and passage 102 are isolated from the inside I7. The heated air supplied to inside I7 does not easily flow to the outside of structure 300A. The temperature inside I7 is maintained higher than the temperature of space I9. Therefore, inside I7 is a suitable environment for cultivating plant P. Plant P is in a state suitable for harvesting. No workspace is provided.

[0204] A person or device moves from outside the greenhouse 10 into the greenhouse 10 via the entrance 101. The person or device moves to the front passage 102 of the structure 300A. The person or device applies a force in the Z direction to one or more of the 14 slats SL. Because the slats SL are connected to other adjacent slats SL, the force in the Z direction is transmitted to all 14 slats SL. As a result, the 14 slats SL slide in the Z direction, guided by the third guide rail 311 and the fourth guide rail 312 (step S11).

[0205] As the slats SL slide in the Z direction, the rightmost of the 14 slats SL are housed in the case 313. Once seven slats SL are housed in the case 313, the configuration of the structure 300A is changed to the configuration of the structure 300A in Figure 35 (step S12). A person or device then applies a force in the Z direction to one or more slats SL.

[0206] As the slats SL slide in the Z direction, the 14 slats SL are housed in the case 313. The configuration of structure 300A is changed to the configuration of structure 300A in Figure 36 (step S13). The front side of structure 300A connects the outside and the passage 102 with the inside I7 of structure 300A. With the working space secured, a person or device can perform harvesting on the plant P. The person or device begins harvesting on the plant P.

[0207] Once the harvesting operation is complete, a person or device applies a force in the negative Z direction to one or more slats SL housed in case 313. Because the slats SL are connected to other adjacent slats SL, the force in the negative Z direction is transmitted to 14 slats SL. As a result, the 14 slats SL are slid in the negative Z direction, guided by the third guide rail 311 and the fourth guide rail 312 (step S14).

[0208] The slats SL are pulled out to the left of case 313. Once the seven slats SL are pulled out to the left of case 313, the configuration of structure 300A is changed to the configuration of structure 300A in Figure 35 (step S15). A person or device then applies a force in the negative Z direction to one or more slats SL. The fourteen slats SL are slid in the negative Z direction, guided by the third guide rail 311 and the fourth guide rail 312.

[0209] When the 14 slats SL are pulled out to the left from case 313, the configuration of structure 300A is changed to the configuration of structure 300A in Figures 29, 30, 31, 32, 33, and 34 (step S16). The front side of structure 300A is covered by the 14 slats SL. Thus, the outside of structure 300A and the passage 102 are separated from the inside I7. Persons or equipment move to the outside of greenhouse 10 via passage 102 and entrance / exit 101.

[0210] (4) Features The variable structure further comprises a first component adjacent to the front wall 310. The first component is either the right-side wall 330 or the left-side wall adjacent to the front wall 310. The inner I7 and inner I8 are formed by being enclosed by at least the front wall 310, the first component, and at least one of the vertical walls V of the other structure and the ceiling C of the other structure.

[0211] The variable structure can be divided into an exterior and interior areas I7 and I8 by a front wall 310, a right-side wall 330, or a left-side wall. Therefore, the variable structure can further reduce the area requiring air conditioning. The variable structure can achieve energy savings in plant cultivation and reduce the costs associated with cultivating plant P.

[0212] When other structures are subjected to external forces, these forces are distributed not only to the front wall 310 but also to the right-side wall 330 or the left-side wall. Therefore, the variable structure can protect other structures and plants P from physical external forces.

[0213] (5) Variant Regarding the modification of the third embodiment, the description of the same points as the third embodiment will be omitted, and the description will focus on the differences from the third embodiment.

[0214] (5-1) Modified Example 3A The facility 3 may include a structure (not shown) that is substantially plane-symmetric with respect to the planes extending in the X and Y directions, instead of the structures 300A and 300B. The structure 300A may have a left side wall (not shown) that is substantially plane-symmetric with respect to the planes extending in the X and Y directions, instead of the right side wall 330.

[0215] (5-2) Modified Example 3B In the third embodiment or Modified Example 3A, the structures 300A and 300B may be provided inside any one of the mushroom cultivation facility 20, the plant factory 30, the server room 40, the warehouse 50, the livestock shed 60, and the onshore aquaculture farm 70.

[0216] (5-3) Modified Example 3C The front wall 310 of the third embodiment, Modified Example 3A, and Modified Example 3B may be changed in form under the control of a control device (not shown). In other words, the slats SL may be slid on the third guide rail 311 and the fourth guide rail 312 under the control of the control device.

[0217] <Fourth Embodiment> (1) Overall Configuration <00N0916>The overall configuration of the facility 4 according to the fourth embodiment will be described below. Hereinafter, the description of the same points as the second embodiment and the fourth embodiment will be omitted, and the description will focus on the differences between the second embodiment and the fourth embodiment. FIG. 38 is a schematic configuration diagram showing the overall configuration of the facility 4 according to the fourth embodiment. The facility 4 mainly includes a vinyl house 10 and an air conditioner 11.

[0218] (1-1) Vinyl House The interior of the greenhouse 10 mainly consists of structure 400A and structure 400B. Structures 400A and 400B divide the interior of the greenhouse 10 into three areas: the area inside structure 400A I10, the area inside structure 400B I11, and the area outside structures 400A and 400B, which is the interior of the greenhouse 10. Details of structures 400A and 400B will be described later.

[0219] In addition, facility 4 may be equipped with a greenhouse (such as a glass greenhouse or a plastic film greenhouse) instead of the vinyl greenhouse 10.

[0220] (1-2) Air conditioner The air outlet of the air conditioner 11 is connected to the interior I10 by a hose (not shown). The air outlet of the air conditioner 11 is also connected to the interior I11 by a different hose (not shown) than the one connected to the interior I10. The hose connecting the air outlet of the air conditioner 11 to the interior I10 and the hose connecting the air outlet of the air conditioner 11 to the interior I11 are examples of first hoses. The air conditioned by the air conditioner 11 is supplied to the interior I10 and interior I11 via the hoses.

[0221] (2) Detailed configuration The detailed configurations of structures 400A and 400B will now be described. Structure 400A is a variable structure whose configuration can be changed by the operation of structure 400A. Structure 400B is a variable structure whose configuration can be changed by the operation of structure 400B. The structure of structure 400A and the structure of structure 400B are substantially symmetric with respect to the planes extending in the Y and Z directions. The functions of structure 400A and structure 400B are the same. The structure and function of structure 400A will be described below.

[0222] Figure 39 is a perspective view showing the detailed configuration of structure 400A. Figure 40 is a front view showing the detailed configuration of structure 400A. Figure 41 is a rear view showing the detailed configuration of structure 400A. Figure 42 is a left side view showing the detailed configuration of structure 400A. Figure 43 is a right side view showing the detailed configuration of structure 400A. Figure 44 is a top view showing the detailed configuration of structure 400A.

[0223] Structure 400A mainly consists of a front wall 210, a third guide rail 111, a fourth guide rail 112, and a rear wall 440. The structure and function of the third guide rail 111 and the fourth guide rail 112 are the same as in the second embodiment, so their description is omitted. The structure and function of the front wall 210, other than the openings 451 and 452, are the same as in the second embodiment, so their description is omitted.

[0224] The rear wall 440 faces the front wall 210 and is erected approximately perpendicular to the floor F. The rear wall 440 is in contact with the ceiling C and the vertical wall V.

[0225] The rear wall 440 is provided with an opening 451 that communicates with a hose (not shown). The rear wall 440 is also provided with an opening 452 that communicates with the outside of the structure 400A.

[0226] Opening 451 is an example of a supply port. Air conditioned by the air conditioner 11 is supplied to the interior I10 through opening 451. Opening 451 is located to the left of the approximate center in the Z direction of the structure 400A. Opening 451 is located vertically below the approximate center in the Y direction of the structure 400A.

[0227] The opening 451 may also be provided in the front wall 210. The opening 451 may also be provided to the right of the approximate center in the Z direction of the structure 400A. The opening 451 may also be provided vertically above the approximate center in the Y direction of the structure 400A.

[0228] Opening 452 is an example of an exhaust port. Opening 452 is located to the right of the approximate center in the Z direction of structure 400A. Opening 452 is located vertically above the approximate center in the Y direction of structure 400A.

[0229] The air inside I10 is discharged from inside I10 to the outside of structure 400A through opening 452. For example, opening 452 is connected to a hose (not shown) that is connected to the intake port of air conditioner 11. The hose connected to opening 452 is an example of a second hose. The air inside I10 flows to the intake port of air conditioner 11 via opening 452 and the hose.

[0230] The opening 452 may also be provided in the front wall 210. The opening 452 may also be provided to the left of the approximate center in the Z direction of the structure 400A. The opening 452 may also be provided vertically below the approximate center in the Y direction of the structure 400A. The opening 452 may also be connected to a hose (not shown) that is connected to a location outside the greenhouse 10 other than the intake port of the air conditioner 11.

[0231] The area of ​​floor F where the plant P is cultivated is enclosed by the front wall 210, the back wall 440, the ceiling C, and the vertical wall V, thereby forming the interior I10. Specifically, the front wall 210 encloses the front side of the area of ​​floor F where the plant P is cultivated. The vertical wall V encloses the left and right sides of the area of ​​floor F where the plant P is cultivated. The back wall 440 encloses the rear side of the area of ​​floor F where the plant P is cultivated. The ceiling C encloses the upper side of the area of ​​floor F where the plant P is cultivated.

[0232] The inner side I10 is blocked from the outside of the structure 400A and the passage 102 by the front wall 210, the rear wall 440, the ceiling C, and the vertical wall V. The space between the inner side I10 and the outside of the structure 400A and the passage 102 is covered by the front wall 210, the rear wall 440, the ceiling C, and the vertical wall V. It becomes difficult for people, devices, and air to pass from the outside of the structure 400A and the passage 102 to the inner side I10. Therefore, the air supplied to the inner side I10 through the opening 451 hardly flows from the inner side I10 to the outside of the structure 400A. The air in the space I12 also hardly flows into the inner side I10. It is difficult for people or devices to approach the inner side I10. People or devices cannot secure a working space.

[0233] Plants P are cultivated on the inner side I10. Soil (not shown) for planting the plants P or nutrient solution (not shown) in which the plants P can be immersed is stored on some floors F in the inner side I10. In the inner side I10, the plants P are planted in the soil or immersed in the nutrient solution.

[0234] Examples of the configuration of the rear wall 440 include, but are not limited to, a configuration of a framework and vinyl covering the framework, a configuration of a framework and glass covering the framework, a configuration of a framework and a plastic film covering the framework, and a configuration in which a surface covering the framework is integrated.

[0235] The rear wall 440 includes transparent or translucent vinyl, glass, or plastic film so that the light for illuminating the space I12 is transmitted to the inner side I10. Since the rear wall 440 is transparent or translucent, the plants P on the inner side I10 can be seen through from the outside of the structure 400A.

[0236] The structure 400A is provided so that D12 and D13 are secured. D12 is the shortest distance in the X direction from the plant P to the front wall 210 when the plant P has finished growing. D12 is preferably from 1 centimeter to 10 centimeters, but is not limited thereto. D13 is the shortest distance in the X direction from the plant P to the rear wall 440 when the plant P has finished growing. D13 is preferably from 1 centimeter to 10 centimeters, but is not limited thereto.

[0237] The height of the front wall 210 is the same as the interior height of the greenhouse 10 at the location where the front wall 210 is installed. The height of the rear wall 440 is the same as the interior height of the greenhouse 10 at the location where the rear wall 440 is installed. The width of the structure 400A (the width of the front wall 210 and the rear wall 440) is the same as the interior width of the greenhouse 10.

[0238] The front wall 210 is a component whose configuration can be changed. Therefore, the structure 400A is a variable structure.

[0239] The structure 400A may further include flooring (not shown). The flooring is in contact with the front wall 210, the rear wall 440, and the vertical wall V. The flooring is laid on the floor F of the interior I10 (all or part of the floor F of the interior I10). An opening 451 may be provided in the flooring. An opening 452 may be provided in the flooring. The interior I10 is formed by being enclosed by the flooring in addition to the front wall 210, the rear wall 440, the ceiling C, and the vertical wall V.

[0240] (3) Features (3-1) The variable structure is erected internally and further comprises a rear wall 440 facing the front wall 210. The interior I10 and interior I11 are formed by being enclosed by at least the front wall 210, the rear wall 440, and at least one of the vertical walls V of the other structure and the ceiling C of the other structure.

[0241] The variable structure, in addition to the front wall 210, can be separated from the outside of the variable structure by the rear wall 440, which separates the inside I10 and inside I11. Therefore, the variable structure can further reduce the area requiring air conditioning. The variable structure can achieve energy savings in the cultivation of plants P and reduce the costs associated with cultivating plants P.

[0242] When other structures are subjected to external forces, these forces are distributed not only to the front wall 210 but also to the rear wall 440. Therefore, the variable structure can protect other structures and plants P from physical external forces.

[0243] (3-2) In a variable structure, the supply port is located approximately vertically below the approximate vertical center of the variable structure.

[0244] To create an environment suitable for plant cultivation, heating or humidification may be applied to the space where plants are located. Heated air is lighter than unheated air, so it rises from bottom to top. Similarly, humidified air is lighter than unheated air, so it also rises from bottom to top.

[0245] In a variable structure, the supply unit is located approximately vertically below the approximate vertical center of the variable structure. When heated or humidified air is supplied to the supply unit, the heated or humidified air moves approximately vertically downward to approximately vertically upward. The variable structure creates airflow in the inner parts I10 and I11, making it less likely for temperature and humidity unevenness to occur in the inner parts I10 and I11. Therefore, the variable structure makes the inner parts I10 and I11 an environment more suitable for the cultivation of plants P.

[0246] (3-3) In a variable structure, if the supply port is located approximately vertically below the approximate vertical center of the variable structure, the exhaust port is located approximately vertically above the approximate vertical center of the variable structure.

[0247] The variable structure creates airflow in the inner I10 and inner I11, making it less likely for temperature or humidity variations to occur in these areas. Therefore, the variable structure makes the inner I10 and inner I11 environments more suitable for the cultivation of plant P.

[0248] (4) Variations Regarding the modified version of the fourth embodiment, we will omit explanations of points that are the same as those of the fourth embodiment and focus on explaining the differences from the fourth embodiment.

[0249] (4-1) Modification 4A Structures 400A and 400B may be installed inside any of the following: the mushroom cultivation facility 20, the plant factory 30, the server room 40, the warehouse 50, the livestock shed 60, or the land-based aquaculture farm 70.

[0250] (4-2) Modification 4B In the fourth embodiment, modification 4A, the front wall 210 may be modified in appearance by control of a control device (not shown). In other words, the slat SL may slide along the third guide rail 111 and the fourth guide rail 112 by control of the control device.

[0251] <Fifth Embodiment> (1) Overall structure The overall configuration of the equipment 5 according to the fifth embodiment will now be described. Hereinafter, similarities between the first and fifth embodiments will be omitted, and the differences between the first and fifth embodiments will be the focus of the description. Figure 45 is a schematic diagram showing the overall configuration of the equipment 5 according to the fifth embodiment. Equipment 5 mainly comprises a greenhouse 10 and an air conditioner 11.

[0252] (1-1) Greenhouse The interior of the greenhouse 10 mainly consists of structure 500A and structure 500B. Structures 500A and 500B divide the interior of the greenhouse 10 into three areas: the area inside structure 500A I13, the area inside structure 500B I14, and the area outside structures 500A and 500B, which is the interior of the greenhouse 10. Details of structures 500A and 500B will be described later.

[0253] In addition, facility 5 may be equipped with a greenhouse (such as a glass greenhouse or a plastic film greenhouse) instead of the vinyl greenhouse 10.

[0254] (1-2) Air conditioner The air outlet of the air conditioner 11 is connected to the interior I13 by a hose (not shown). The air outlet of the air conditioner 11 is also connected to the interior I14 by a different hose (not shown) from the hose connected to the interior I13. The hose connecting the air outlet of the air conditioner 11 to the interior I13 and the hose connecting the air outlet of the air conditioner 11 to the interior I14 are examples of first hoses. The air conditioned by the air conditioner 11 is supplied to the interior I13 and interior I14 via the hoses.

[0255] (2) Detailed configuration The detailed configurations of structures 500A and 500B will now be described. Structure 500A is a variable structure whose configuration can be changed by the operation of structure 500A. Structure 500B is a variable structure whose configuration can be changed by the operation of structure 500B. The structure of structure 500A and the structure of structure 500B are substantially symmetric with respect to the planes extending in the Y and Z directions. The functions of structure 500A and structure 500B are the same. The structure and function of structure 500A will be described below.

[0256] Figure 46 is a perspective view showing the detailed configuration of structure 500A. Figure 47 is a front view showing the detailed configuration of structure 500A. Figure 48 is a rear view showing the detailed configuration of structure 500A. Figure 49 is a left side view showing the detailed configuration of structure 500A. Figure 50 is a right side view showing the detailed configuration of structure 500A. Figure 51 is a top view showing the detailed configuration of structure 500A.

[0257] Structure 500A mainly consists of a front wall 510, a rear wall 540, a ceiling 550, and a rotating shaft AX.

[0258] The front wall 510 is erected approximately perpendicular to the floor F. The front wall 510 faces the passageway 102. The upper end of the front wall 510 is connected to the front end of the ceiling 550.

[0259] The rear wall 540 faces the front wall 510 and is erected approximately perpendicular to the floor F. The rear wall 540 is in contact with the vertical wall V and the ceiling 550. The rear wall 540 is provided with openings 551 and 552.

[0260] Opening 551 is an example of a supply port. Air conditioned by the air conditioner 11 is supplied to the interior I13 through opening 551. Opening 551 is located approximately vertically above the approximate vertical center of the structure 500A. Opening 551 is located approximately to the left of the approximate Z-center of the structure 500A.

[0261] The opening 551 may be provided in the front wall 510 or the ceiling 550. The opening 551 may be provided approximately vertically below the approximate vertical center of the structure 500A. The opening 551 may be provided to the right of the approximate Z-center of the structure 500A.

[0262] Opening 552 is an example of an exhaust port. Opening 552 is located approximately vertically below the approximate vertical center of structure 500A. Opening 552 is located approximately to the right of the approximate Z-center of structure 500A.

[0263] The air inside I13 is discharged from inside I13 to the outside of the structure 500A through the opening 552. For example, the opening 552 is connected to a hose (not shown) that is connected to the intake port of the air conditioner 11. The hose connected to the opening 552 is an example of a second hose. The air inside I13 flows to the intake port of the air conditioner 11 via the opening 552 and the hose.

[0264] The opening 552 may be provided in the front wall 510 or the ceiling 550. The opening 552 may be provided approximately vertically above the approximate vertical center of the structure 500A. The opening 552 may be provided to the left of the approximate Z-direction center of the structure 500A. The opening 552 may be connected to a hose (not shown) that is connected to a location outside the greenhouse 10 other than the intake port of the air conditioner 11.

[0265] The rotation axis AX is provided along the rear end of the ceiling 550 and is approximately parallel to the floor F.

[0266] The ceiling 550 faces the floor F, is substantially parallel to the floor F, and is substantially horizontal. The ceiling 550 is in contact with the front wall 510, the rear wall 540, and the vertical wall V. The ceiling 550 is an example of the first component. The ceiling 550 can be moved by rotating it around the rotation axis AX. The ceiling 550 is rotatably mounted in a plane extending in the X and Y directions with the rotation axis AX as the center of rotation. The front end of the ceiling 550 is connected to the upper end of the front wall 510. Therefore, when the ceiling 550 is rotated around the rotation axis AX, the front wall 510 also rotates along with the ceiling 550. This changes the configuration of the front wall 510.

[0267] The area of ​​floor F where the plant P is cultivated is enclosed by the front wall 510, the back wall 540, the ceiling 550, and the vertical wall V, thereby forming the interior I13. Specifically, the front wall 510 encloses the front side of the area of ​​floor F where the plant P is cultivated. The vertical wall V encloses the left and right sides of the area of ​​floor F where the plant P is cultivated. The back wall 440 encloses the rear side of the area of ​​floor F where the plant P is cultivated. The ceiling 550 encloses the upper side of the area of ​​floor F where the plant P is cultivated.

[0268] The interior space I13 is shielded from the outside of the structure 500A and the passage 102 by the front wall 510, the rear wall 540, the ceiling 550, and the vertical wall V. The space between the interior space I13 and the outside of the structure 500A and the passage 102 is covered by the front wall 510, the rear wall 540, the ceiling 550, and the vertical wall V. It becomes difficult for people, equipment, and air to pass from the outside of the structure 500A and the passage 102 to the interior space I13. Therefore, air supplied to the interior space I13 through the opening 551 does not easily flow from the interior space I13 to the outside of the structure 500A. Air in space I15 also does not easily flow into the interior space I13. It is difficult for people or equipment to approach the interior space I13. People or equipment cannot secure working space.

[0269] Plants P are cultivated in the interior I13. Some of the bed F in the interior I13 is filled with soil (not shown) in which plants P can be planted, or with a nutrient solution (not shown) in which plants P can be immersed. In the interior I13, plants P are either planted in soil or immersed in the nutrient solution.

[0270] Examples of configurations for the front wall 510, rear wall 540, and ceiling 550 include, but are not limited to, a configuration of a framework and vinyl covering the framework, a configuration of a framework and glass covering the framework, a configuration of a framework and plastic film covering the framework, and a configuration in which the framework and the surface covering the framework are integrated.

[0271] The front wall 510, the rear wall 540, and the ceiling 550 include transparent or translucent vinyl, glass, or plastic film so that the light from the lighting in the space I15 is transmitted to the interior I13. Because the front wall 510, the rear wall 540, and the ceiling 550 are transparent or translucent, the plants P inside I13 are visible from the outside of the structure 500A.

[0272] The depth of structure 500A (depth of ceiling 550) is such that D14 and D15 are ensured. D14 is the shortest distance in the X direction from plant P to the front wall 510 when plant P has finished growing. D14 is preferably between 1 cm and 10 cm, but is not limited to this. D15 is the shortest distance in the negative X direction from plant P to the back wall 540 when plant P has finished growing. D15 is preferably between 1 cm and 10 cm, but is not limited to this.

[0273] The height of structure 500A (height relative to the front wall 510 and rear wall 540) is such that D16 is ensured. D16 is the shortest distance in the Y direction from plant P to ceiling 550 when plant P has finished growing. D16 is preferably between 1 and 10 centimeters, but is not limited to this.

[0274] The width of structure 500A (the width of the front wall 510, the rear wall 540, and the ceiling 550) is the same as the width of the interior of greenhouse 10.

[0275] The rear wall 540 is a component whose configuration cannot be changed. The front wall 510 and the ceiling 550 are components whose configuration can be changed. Therefore, structure 500A is a variable structure. Below, a configuration of structure 500A that differs from the configuration of structure 500A shown in Figures 46, 47, 48, 49, 50, and 51 will be described. Figure 52 is a perspective view showing the detailed configuration of structure 500A.

[0276] The configuration of structure 500A in Figure 52 is a configuration in which the ceiling 550 is rotated around the rotation axis AX, as seen in the configurations of structure 500A in Figures 46, 47, 48, 49, 50, and 51. The ceiling 550 is rotated by slightly less than 90 degrees in the planes extending in the X and Y directions, with the rotation axis AX as the center of rotation. Because the ceiling 550 is rotated, the front wall 510 is also rotated along with the ceiling 550.

[0277] The interior I13 of structure 500A is in communication with the exterior of structure 500A and passage 102 via the front and top. By changing the configuration of the ceiling 550 and front wall 510, the interior I13 of structure 500A is separated from the exterior and passage 102, and is now in communication with the exterior and passage 102. As a working space is secured, people or equipment performing agricultural work can perform agricultural work on plants P via the front and top of structure 500A.

[0278] Furthermore, the configuration of structure 500A in Figures 46, 47, 48, 49, 50, and 51 is also a configuration in which the ceiling 550 is rotated around the rotation axis AX, as shown in the configuration of structure 500A in Figure 52. The ceiling 550 is rotated by slightly less than 90 degrees in the planes extending in the X and Y directions, with the rotation axis AX as the center of rotation. Because the ceiling 550 is rotated, the front wall 510 is also rotated along with the ceiling 550.

[0279] The configuration of the ceiling 550 and the front wall 510 has been changed, altering the state from one in which the outside of the structure 500A and the passage 102 are connected to the inside I13, to one in which the outside of the structure 500A and the passage 102 are separated from the inside I13.

[0280] (3) Operation The operation of equipment 5 when a person or device performs harvesting work will be described. Since the operation of structure 500A and structure 500B are similar, the operation of structure 500A will be described in detail. Figure 53 is a flowchart of the operation of equipment 5. Air heated by the air conditioner 11 is supplied to the inside I13 via a hose and opening 551. The configuration of structure 500A is shown in Figures 46, 47, 48, 49, 50, and 51.

[0281] The front wall 510 covers the front side of the structure 500A, and the ceiling 550 covers the upper side of the structure 500A. Therefore, the outside of the structure 500A and the passage 102 are isolated from the inside I13. The heated air supplied to the inside I13 does not easily flow to the outside of the structure 500A. The temperature of the inside I13 is maintained higher than the temperature of the space I15. Therefore, the inside I13 is a suitable environment for cultivating plants P. The plants P are in a state suitable for harvesting.

[0282] A person or device moves from outside the greenhouse 10 into the greenhouse 10 via the entrance / exit 101. The person or device moves to the front passage 102 of the structure 500A. The person or device applies forces in the Y direction and the negative X direction to at least one of the front wall 510 and the ceiling 550. The ceiling 550 is rotated around the rotation axis AX by the forces in the Y direction and the negative X direction. Specifically, the ceiling 550 rotates in a plane extending in the X and Y directions with the rotation axis AX as the center of rotation. The front wall 510, which is connected to the ceiling 550, is also rotated along with the ceiling 550 (step S21).

[0283] The ceiling 550 is rotated by slightly less than 90 degrees in the planes extending in the X and Y directions, with the rotation axis AX as the center of rotation. The configuration of the structure 500A can be changed as shown in Figure 52 (step S22).

[0284] The front and top of structure 500A connect the outside of structure 500A and the passage 102 to the inside I13. Since a working space has been secured, a person or equipment can perform harvesting work on plant P. The person or equipment begins harvesting work on plant P.

[0285] When the harvesting work is completed, a person or device applies forces in the negative Y direction and the X direction to at least one of the front wall 510 and the ceiling 550. The ceiling 550 is rotated around the rotation axis AX by the forces in the negative Y direction and the X direction. Specifically, the ceiling 550 rotates in a plane extending in the X and Y directions with the rotation axis AX as the center of rotation. The front wall 510, which is connected to the ceiling 550, is also rotated along with the ceiling 550 (step S23).

[0286] The ceiling 550 is rotated by slightly less than 90 degrees in the planes extending in the X and Y directions, with the rotation axis AX as the center of rotation. The ceiling 550 covers the upper side of the structure 500A. The front wall 510 covers the front side of the structure 500A. The configuration of the structure 500A can be changed to the configurations shown in Figures 46, 47, 48, 49, 50, and 51 (step S24). The outside of the structure 500A and the passage 102 are separated from the inside I13.

[0287] (4) Features (4-1) The variable structure further comprises a movable ceiling 550 facing the interior floor F and connected to the front wall 510, and a pivot axis AX provided along the end of the ceiling 550. When the ceiling 550 is rotated about the pivot axis AX, the front wall 510 also rotates along with the ceiling 550, thereby changing the configuration of the front wall 510. The interiors I13 and I14 are formed by being enclosed by at least the front wall 510, the ceiling 550, and at least one of the vertical walls V of the other structure and the ceiling C of the other structure.

[0288] The front wall 510 rotates in conjunction with the ceiling 550. The force applied to the front wall 510 is less likely to be dispersed in an unspecified direction. The front wall 510 is operated in a constant direction by the rotation axis AX. Therefore, the variable structure allows the configuration of the front wall 510 to be easily changed by a person or device.

[0289] (4-2) In a variable structure, if the supply port is located approximately vertically above the approximate vertical center of the variable structure, the exhaust port is located approximately vertically below the approximate vertical center of the variable structure.

[0290] The variable structure creates airflow in the inner I13 and inner I14, making it less likely for temperature or humidity unevenness to occur in these areas. Therefore, the variable structure makes the inner I13 and inner I14 an environment more suitable for the cultivation of plant P.

[0291] (5) Variant Regarding the modified version of the fifth embodiment, we will omit explanations of points that are the same as those of the fifth embodiment and focus on explaining the differences from the fifth embodiment.

[0292] (5-1) Modification 5A Structures 500A and 500B may be installed inside any of the following: the mushroom cultivation facility 20, the plant factory 30, the server room 40, the warehouse 50, the livestock shed 60, and the land-based aquaculture farm 70.

[0293] (5-2) Modification 5B In the fifth embodiment, modified example 5A, the front wall 510 and ceiling 550 may be modified in appearance by control of a control device (not shown). In other words, the front wall 510 and ceiling 550 may be rotated about the rotation axis AX by control of the control device.

[0294] <Sixth Embodiment> (1) Overall structure The overall configuration of the equipment 6 according to the sixth embodiment will now be described. Hereinafter, similarities between the first and sixth embodiments will be omitted, and the differences between the first and sixth embodiments will be the focus of the description. Figure 54 is a schematic diagram showing the overall configuration of the equipment 6 according to the sixth embodiment. The equipment 6 mainly comprises a greenhouse 10 and an air conditioner 11.

[0295] (1-1) Greenhouse The interior of the greenhouse 10 mainly consists of structure 600A and structure 600B. Structures 600A and 600B divide the interior of the greenhouse 10 into three areas: the area inside structure 600A I16, the area inside structure 600B I17, and the area outside structures 600A and 600B, which is the interior of the greenhouse 10. Details of structures 600A and 600B will be described later.

[0296] In addition, facility 6 may be equipped with a greenhouse (such as a glass greenhouse or a plastic film greenhouse) instead of the vinyl greenhouse 10.

[0297] (1-2) Air conditioner The air outlet of the air conditioner 11 is connected to the interior I16 by a hose (not shown). The air outlet of the air conditioner 11 is also connected to the interior I17 by a different hose (not shown) from the hose connected to the interior I16. The hose connecting the air outlet of the air conditioner 11 to the interior I16, and the hose connecting the air outlet of the air conditioner 11 to the interior I17, are examples of first hoses. The air conditioned by the air conditioner 11 is supplied to the interior I16 and interior I17 via the hoses.

[0298] (2) Detailed configuration The detailed configurations of structures 600A and 600B will now be described. Structure 600A is a variable structure whose configuration can be changed by the operation of structure 600A. Structure 600B is a variable structure whose configuration can be changed by the operation of structure 600B. A variable structure is a structure whose configuration can be changed. The structure of structure 600A and the structure of structure 600B are substantially symmetric with respect to the planes extending in the Y and Z directions. The functions of structure 600A and structure 600B are the same. The structure and function of structure 600A will be described below.

[0299] Figure 55 is a perspective view showing the detailed configuration of structure 600A. Figure 56 is a front view showing the detailed configuration of structure 600A. Figure 57 is a rear view showing the detailed configuration of structure 600A. Figure 58 is a left side view showing the detailed configuration of structure 600A. Figure 59 is a right side view showing the detailed configuration of structure 600A. Figure 60 is a top view showing the detailed configuration of structure 600A.

[0300] Structure 600A mainly consists of a front wall 610, a first guide rail 612, a second guide rail 613, a case 614, a left side wall 620, and a ceiling 650.

[0301] The first guide rail 612 is installed approximately perpendicular to the floor F. The second guide rail 613 is installed opposite the first guide rail 612 and approximately perpendicular to the floor F.

[0302] The front wall 610 is mainly composed of multiple slats SL. For example, the front wall 610 is mainly composed of nine slats SL. The slats SL are substantially perpendicular to the floor F. The slats SL are connected to other adjacent slats SL. The slats SL are guided by the first guide rail 612 and the second guide rail 613 and can slide in the Y direction or the negative Y direction (the direction in which the first guide rail 612 and the second guide rail 613 extend). The appearance of the front wall 610 is changed by the sliding of the slats SL guided by the first guide rail 612 and the second guide rail 613.

[0303] The front wall 610 is erected approximately perpendicular to the floor F. The front wall 610 faces the passageway 102.

[0304] Case 614 is provided above the front wall 610 and behind the first guide rail 612 and the second guide rail 613. Case 614 accommodates the slats SL that are slid in the Y direction. Case 614 is provided so as to accommodate all of the slats SL that make up the front wall 610. Case 614 may also be provided below the front wall 610.

[0305] The left wall 620 is erected approximately perpendicular to the floor F. The left wall 620 is in contact with the front wall 610, the ceiling 650, and the vertical wall V. The left wall 620 is an example of the first component. The left wall 620 is provided with an opening 651 that communicates with a hose.

[0306] Opening 651 is an example of a supply port. Air conditioned by the air conditioner 11 is supplied to the interior I16 through opening 651. Opening 651 is located approximately vertically below the approximate vertical center of the structure 600A. Opening 651 is located approximately rearward from the approximate X-direction center of the structure 600A.

[0307] The opening 651 may be provided in the front wall 610 or the ceiling 650. The opening 651 may be provided approximately vertically above the approximate vertical center of the structure 600A. The opening 651 may be provided in front of the approximate X-direction center of the structure 600A.

[0308] The ceiling 650 faces the floor F, is approximately parallel to the floor F, and is approximately horizontal. The ceiling 650 is in contact with the front wall 610, the left side wall 620, and the vertical wall V. The ceiling 650 is an example of the first component. The ceiling 650 is provided with an opening 652 that communicates with the outside of the structure 600A.

[0309] Opening 652 is an example of an exhaust port. Opening 652 is located approximately vertically above the approximate vertical center of structure 600A. Opening 652 is located approximately behind the approximate X-direction center of structure 600A.

[0310] The air inside I16 is discharged from inside I16 to the outside of structure 600A through opening 652. For example, opening 652 is connected to a hose (not shown) that is connected to the intake port of air conditioner 11. The hose connected to opening 652 is an example of a second hose. The air inside I16 flows to the intake port of air conditioner 11 via opening 652 and the hose.

[0311] The opening 652 may be provided in the front wall 610 or the left side wall 620. The opening 652 may be provided approximately vertically below the approximate vertical center of the structure 600A. The opening 652 may be provided in front of the approximate X-direction center of the structure 600A. The opening 652 may be connected to a hose (not shown) that is connected to a location outside the greenhouse 10 other than the intake port of the air conditioner 11.

[0312] The area of ​​floor F where the plant P is cultivated is enclosed by the front wall 610, the left side wall 620, the ceiling 650, and the vertical wall V, thereby forming the interior I16. Specifically, the front wall 610 encloses the front side of the area of ​​floor F where the plant P is cultivated. The left side wall 620 encloses the left side of the area of ​​floor F where the plant P is cultivated. The vertical wall V encloses the right side of the area of ​​floor F where the plant P is cultivated. The vertical wall V encloses the rear side of the area of ​​floor F where the plant P is cultivated. The ceiling 650 encloses the upper side of the area of ​​floor F where the plant P is cultivated.

[0313] The interior space I16 is shielded from the outside of the structure 600A and the passage 102 by the front wall 610, the left side wall 620, the ceiling 650, and the vertical wall V. The space between the interior space I16 and the outside of the structure 600A and the passage 102 is covered by the front wall 610, the left side wall 620, the ceiling 650, and the vertical wall V. It becomes difficult for people, equipment, and air to pass from the outside of the structure 600A and the passage 102 to the interior space I16. Therefore, air supplied to the interior space I16 through the opening 651 does not easily flow from the interior space I16 to the outside of the structure 600A. Air in space I18 also does not easily flow into the interior space I16. It is difficult for people or equipment to approach the interior space I16. People or equipment cannot secure working space.

[0314] Plants P are cultivated in the interior I16. Partial or complete areas of the bed F in the interior I16 contain soil (not shown) in which plants P can be planted, or a nutrient solution (not shown) in which plants P can be immersed. In the interior I16, plants P are either planted in soil or immersed in the nutrient solution.

[0315] Examples of configurations for the left wall 620, ceiling 650, and slat SL include, but are not limited to, a configuration of a frame and vinyl covering the frame, a configuration of a frame and glass covering the frame, a configuration of a frame and plastic film covering the frame, and a configuration in which the frame and the surface covering the frame are integrated.

[0316] The front wall 610 (with nine slats SL), the left wall 620, and the ceiling 650 include transparent or translucent vinyl, glass, or plastic film so that light from the lighting in space I18 can be transmitted to the interior I16. Because the front wall 610 (with nine slats SL), the left wall 620, and the ceiling 650 are transparent or translucent, the plants P in the interior I16 can be seen from the outside of the structure 600A. Case 614 does not necessarily have to include transparent or translucent vinyl, glass, or plastic film.

[0317] The depth of structure 600A (the depth of the left wall 620 and the ceiling 650) is such that D17 is secured. D17 is the shortest distance in the X direction from plant P to the front wall 610 when plant P has finished growing. D17 is preferably between 1 cm and 10 cm, but is not limited to this.

[0318] The height of structure 600A (height of front wall 610 and left side wall 620) is such that D18 is ensured. D18 is the shortest distance in the Y direction from plant P to ceiling 650 when plant P has finished growing. D18 is preferably between 1 cm and 10 cm, but is not limited to this.

[0319] The width of structure 600A (width of the front wall 610 and ceiling 650) is such that D19 is secured. D19 is the shortest distance in the negative Z direction from plant P to the left wall 620 when plant P has finished growing. D19 is preferably between 1 cm and 10 cm, but is not limited to this.

[0320] The left wall 620 and the ceiling 650 are components whose configuration cannot be changed. The front wall 610 is a component whose configuration can be changed. Therefore, structure 600A is a variable structure. It should be noted that at least one of the left wall 620 and the ceiling 650 may be a component whose configuration can be changed.

[0321] The structure 600A may further include flooring (not shown). The flooring is in contact with the front wall 610, the vertical wall V, and the left side wall 620. The flooring is laid on the floor F of the interior I16 (all or part of the floor F of the interior I16). An opening 651 may be provided in the flooring. An opening 652 may be provided in the flooring. The interior I16 is formed by being enclosed by the flooring in addition to the front wall 610, the left side wall 620, the ceiling 650, and the vertical wall V. Various embodiments of the structure 600A will be described below.

[0322] Figure 61 is a perspective view showing the detailed configuration of structure 600A. The configuration of structure 600A in Figure 61 is a configuration in which the slat SL is slid in the Y direction, compared to the configurations of structure 600A in Figures 55, 56, 57, 58, 59, and 60.

[0323] Five of the nine slats SL are housed in case 614. The front of structure 600A connects the outside and passage 102 of structure 600A with the inside I16. The configuration of the front wall 610 has been changed from a state where the outside and passage 102 of structure 600A and the inside I16 were blocked off to a state where the outside and passage 102 of structure 600A and the inside I16 are connected. As a working space is secured, a person or equipment can perform agricultural work on the plants P through the front of structure 600A.

[0324] Figure 62 is a perspective view showing the detailed configuration of structure 600A. The configuration of structure 600A in Figure 62 is the same as the configuration of structure 600A in Figure 61, but with the slat SL slid in the Y direction.

[0325] The nine slats SL are housed in case 614. The outside and passage 102 and the inside I16 of structure 600A are connected via the front of structure 600A. Because a working space is provided, a person or equipment performing agricultural work can perform agricultural work on plants P via the front of structure 600A.

[0326] Furthermore, the configuration of structure 600A in Figure 61 is also a configuration in which the slat SL is slid in the negative Y direction from the configuration of structure 600A in Figure 62. Furthermore, the configurations of structure 600A in Figures 55, 56, 57, 58, 59, and 60 are also configurations in which the slat SL is slid in the negative Y direction from the configuration of structure 600A in Figure 61. By changing the configuration of the front wall 610, the state in which the outside of structure 600A and the passage 102 and the inside I16 are connected is changed to a state in which the outside of structure 600A and the passage 102 and the inside I16 are separated.

[0327] (3) Operation The operation of equipment 6 when a person or device performs harvesting work will be described. Since the operation of structure 600A and structure 600B are similar, the operation of structure 600A will be described in detail. Figure 63 is a flowchart showing the operation of equipment 6. Air heated by the air conditioner 11 is supplied to the inside I16 via a hose and opening 651. The configuration of structure 600A is shown in Figures 55, 56, 57, 58, 59, and 60.

[0328] The front wall 610 (with 9 slats SL) covers the front of the structure 600A. Therefore, the outside of the structure 600A and the passage 102 are isolated from the inside I16. The heated air supplied to the inside I16 does not easily flow to the outside of the structure 600A. The temperature of the inside I16 is maintained higher than the temperature of the space I18. Therefore, the inside I16 is a suitable environment for cultivating plants P. The plants P are in a state suitable for harvesting (have finished growing). No workspace is provided.

[0329] A person or device moves from outside the greenhouse 10 into the greenhouse 10 via the entrance 101. The person or device moves to the front passage 102 of the structure 600A. The person or device applies a force in the Y direction to one or more slats SL. Since the slats SL are connected to other adjacent slats SL, the force in the Y direction is transmitted to the nine slats SL. As a result, the nine slats SL slide in the Y direction, guided by the first guide rail 612 and the second guide rail 613 (step S31).

[0330] As the slats SL slide in the Y direction, the upper slats SL out of the nine slats SL are housed in the case 614. Once five slats SL are housed in the case 614, the configuration of the structure 600A is changed to the configuration of the structure 600A in Figure 61 (step S32). A person or device then applies a force in the Y direction to one or more slats SL.

[0331] As the slats SL slide in the Y direction, the nine slats SL are housed in the case 614. The configuration of structure 600A is changed to the configuration of structure 600A in Figure 62 (step S33). The front of structure 600A connects the outside and the passage 102 with the inside I16 of structure 600A. With the working space secured, a person or device can perform harvesting on the plant P. The person or device starts harvesting on the plant P.

[0332] Once the harvesting operation is complete, a person or device applies a force in the negative Y direction to one or more of the nine slats SL housed in case 614. Because the slats SL are connected to each other, the force in the negative Y direction is transmitted to all nine slats SL. As a result, the nine slats SL slide in the negative Y direction, guided by the first guide rail 612 and the second guide rail 613 (step S34).

[0333] The slats SL are lowered below the case 614. Once the four slats SL are lowered below the case 614, the configuration of the structure 600A is changed to the configuration of structure 600A in Figure 61 (step S35). A person or device then applies a force in the negative Y direction to one or more slats SL. The nine slats SL are slid in the negative Y direction, guided by the first guide rail 612 and the second guide rail 613.

[0334] When the nine slats SL are lowered from case 614, the configuration of structure 600A is changed to the configuration of structure 600A in Figures 55, 56, 57, 58, 59, and 60 (step S36). The front side of structure 600A is covered by the nine slats SL. As a result, the outside of structure 600A and the passage 102 are separated from the inside I16.

[0335] (4) Features The variable structure further includes a first guide rail 612 provided substantially perpendicular to the internal floor F, and a second guide rail 613 provided opposite the first guide rail 612 and substantially perpendicular to the floor F. The front wall 610 is slid by being guided by the first guide rail 612 and the second guide rail 613, thereby changing the configuration of the front wall 610.

[0336] Since the front wall 610 is guided by the first guide rail 612 and the second guide rail 613, the force acting on the front wall 610 is less likely to be dispersed in an unspecified direction. The front wall 610 slides efficiently in a direction substantially perpendicular to the floor F. Therefore, the configuration of the front wall 610 of the variable structure can be easily changed by a person or device.

[0337] (5) Variant Regarding the modified version of the sixth embodiment, we will omit explanations of points that are the same as those of the sixth embodiment and focus on explaining the differences from the sixth embodiment.

[0338] (5-1) Modification 6A Equipment 6 may include a structure (not shown) that is substantially symmetric to structures 600A and 600B with respect to the planes extending in the X and Y directions, instead of structures 600A and 600B. Structure 600A has a left wall (not shown) that is substantially symmetric to the left wall 620 with respect to the planes extending in the X and Y directions, instead of the left wall 620.

[0339] (5-2) Modification 6B In the sixth embodiment or modified example 6A, structures 600A and 600B may be installed inside any of the following: the mushroom cultivation facility 20, the plant factory 30, the server room 40, the warehouse 50, the livestock shed 60, and the land-based aquaculture farm 70.

[0340] (5-3) Modification 6C The front wall 610 of the sixth embodiment, modified example 6A, and modified example 6B may be modified in appearance by control of a control device (not shown). In other words, the slat SL may slide along the first guide rail 612 and the second guide rail 613 by control of the control device.

[0341] <Seventh Embodiment> (1) Overall structure The overall configuration of the equipment 7 according to the seventh embodiment will now be described. Hereinafter, similarities between the fourth and seventh embodiments will be omitted, and the differences between the fourth and seventh embodiments will be the focus of the description. Figure 64 is a schematic diagram showing the overall configuration of the equipment 7 according to the seventh embodiment. The equipment 7 mainly comprises a greenhouse 10 and an air conditioner 11.

[0342] (1-1) Greenhouse The interior of the greenhouse 10 mainly consists of structures 700A and 700B. Structures 700A and 700B divide the interior of the greenhouse 10 into three areas: the area inside structure 700A I19, the area inside structure 700B I20, and the area outside structures 700A and 700B, which is the interior of the greenhouse 10. Details of structures 700A and 700B will be described later.

[0343] In addition, facility 7 may be equipped with a greenhouse (such as a glass greenhouse or a plastic film greenhouse) instead of the vinyl greenhouse 10.

[0344] (1-2) Air conditioner The air outlet of the air conditioner 11 is connected to the interior I19 by a hose (not shown). The air outlet of the air conditioner 11 is also connected to the interior I20 by a different hose (not shown) from the hose connected to the interior I19. The hose connecting the air outlet of the air conditioner 11 to the interior I19 and the hose connecting the air outlet of the air conditioner 11 to the interior I20 are examples of first hoses. The air conditioned by the air conditioner 11 is supplied to the interior I19 and interior I20 via the hoses.

[0345] (2) Detailed configuration The detailed configurations of structures 700A and 700B will now be described. Structure 700A is a variable structure whose configuration can be changed by the operation of structure 700A. Structure 700B is a variable structure whose configuration can be changed by the operation of structure 700B. The structure of structure 700A and the structure of structure 700B are substantially symmetric with respect to the planes extending in the Y and Z directions. The functions of structure 700A and structure 700B are the same. The structure and function of structure 700A will be described below.

[0346] Figure 65 is a perspective view showing the detailed configuration of structure 700A. Figure 66 is a front view showing the detailed configuration of structure 700A. Figure 67 is a rear view showing the detailed configuration of structure 700A. Figure 68 is a left side view showing the detailed configuration of structure 700A. Figure 69 is a right side view showing the detailed configuration of structure 700A. Figure 70 is a top view showing the detailed configuration of structure 700A.

[0347] Structure 700A mainly consists of a front wall 210, a third guide rail 111, a fourth guide rail 112, a rear wall 440, and a left side wall 720. The structure and function of the front wall 210, the third guide rail 111, the fourth guide rail 112, and the rear wall 440 are the same as in the fourth embodiment, so their description is omitted.

[0348] The left wall 720 is erected approximately perpendicular to the floor F. The left wall 720 is in contact with the front wall 210, the rear wall 440, and the ceiling C. The left wall 720 is an example of the first component.

[0349] The opening 451 may be provided in the front wall 210 or the left side wall 720. The opening 452 may also be provided in the front wall 210 or the left side wall 720.

[0350] The area of ​​floor F where the plant P is cultivated is enclosed by the front wall 210, the back wall 440, the ceiling C, the vertical wall V, and the left side wall 720, thereby forming the interior I19. Specifically, the left side of the area of ​​floor F where the plant P is cultivated is enclosed by the left side wall 720.

[0351] The interior space I19 is shielded from the outside of the structure 700A and the passage 102 by the front wall 210, the rear wall 440, the ceiling C, the vertical wall V, and the left side wall 720. The space between the interior space I19 and the outside of the structure 700A and the passage 102 is covered by the front wall 210, the rear wall 440, the ceiling C, the vertical wall V, and the left side wall 720. It becomes difficult for people, equipment, and air to pass from the outside of the structure 700A and the passage 102 to the interior space I19. Therefore, air supplied to the interior space I19 through the opening 451 does not easily flow from the interior space I19 to the outside of the structure 700A. Air in space I21 also does not easily flow into the interior space I19. It is difficult for people or equipment to approach the interior space I19. People or equipment cannot secure working space.

[0352] Plant P is cultivated in the interior I19. In a portion of the bed F in the interior I19, soil (not shown) in which plant P can be planted or a nutrient solution (not shown) in which plant P can be immersed is stored. In the interior I19, plant P is either planted in soil or immersed in nutrient solution.

[0353] Examples of the configuration of the left wall 720 include, but are not limited to, a configuration of a frame and vinyl covering the frame, a configuration of a frame and glass covering the frame, a configuration of a frame and plastic film covering the frame, and a configuration in which the frame and the surface covering the frame are integrated.

[0354] The left wall 720 includes a transparent or translucent vinyl, glass, or plastic film so that light from the lighting in space I21 can be transmitted to the interior I19. Because the left wall 720 is transparent or translucent, the plants P inside I19 are visible from the outside of the structure 700A.

[0355] The width of structure 700A (width relative to the front wall 210 and rear wall 440) is such that D20 is secured. D20 is the shortest distance in the negative Z direction from plant P to the left wall 720 when plant P has finished growing. D20 is preferably between 1 cm and 10 cm, but is not limited to this.

[0356] The front wall 210 is a component whose configuration can be changed. Therefore, structure 700A is a variable structure.

[0357] The structure 700A may further include flooring (not shown). The flooring is in contact with the front wall 210, the rear wall 440, the vertical wall V, and the left side wall 720. The flooring is laid on the floor F of the interior I19 (all or part of the floor F of the interior I19). An opening 451 may be provided in the flooring. An opening 452 may be provided in the flooring. The interior I19 is formed by being enclosed by the flooring in addition to the front wall 210, the rear wall 440, the ceiling C, the vertical wall V, and the left side wall 720.

[0358] (3) Variant Regarding the modified version of the seventh embodiment, we will omit explanations of points that are the same as those of the seventh embodiment and focus on explaining the differences from the seventh embodiment.

[0359] (3-1) Modification 7A The facility 7 may include a structure (not shown) that is substantially symmetric to structures 700A and 700B with respect to the planes extending in the X and Y directions, instead of structures 700A and 700B. Structure 700A has a right-side wall (not shown) that is substantially symmetric to the left-side wall 720 with respect to the planes extending in the X and Y directions, instead of the left-side wall 720.

[0360] (3-2) Modification 7B In the seventh embodiment or modified example 7A, structures 700A and 700B may be installed inside any of the following: the mushroom cultivation facility 20, the plant factory 30, the server room 40, the warehouse 50, the livestock shed 60, and the land-based aquaculture farm 70.

[0361] (3-3) Modification 7C The front wall 210 of the seventh embodiment, modified example 7A, and modified example 7B may be modified in appearance by control of a control device (not shown). In other words, the slat SL may slide along the third guide rail 111 and the fourth guide rail 112 by control of the control device.

[0362] <Eighth Embodiment> (1) Overall structure The overall configuration of the equipment 8 according to the eighth embodiment will now be described. Hereinafter, similarities between the first and eighth embodiments will be omitted, and the differences between the first and eighth embodiments will be the focus of the description. Figure 71 is a schematic diagram showing the overall configuration of the equipment 8 according to the eighth embodiment. The equipment 8 mainly comprises a greenhouse 10 and an air conditioner 11.

[0363] (1-1) Greenhouse The interior of the greenhouse 10 mainly consists of structure 800A and structure 800B. Structures 800A and 800B divide the interior of the greenhouse 10 into three areas: the area inside structure 800A I22, the area inside structure 800B I23, and the area outside structures 800A and 800B, which is the interior of the greenhouse 10. Details of structures 800A and 800B will be described later.

[0364] In addition, facility 8 may be equipped with a greenhouse (such as a glass greenhouse or a plastic film greenhouse) instead of the vinyl greenhouse 10.

[0365] (1-2) Air conditioner The air outlet of the air conditioner 11 is connected to the interior I22 by a hose (not shown). The air outlet of the air conditioner 11 is also connected to the interior I23 by a different hose (not shown) from the hose connected to the interior I22. The hose connecting the air outlet of the air conditioner 11 to the interior I22 and the hose connecting the air outlet of the air conditioner 11 to the interior I23 are examples of first hoses. The air conditioned by the air conditioner 11 is supplied to the interior I22 and interior I23 via the hoses.

[0366] (2) Detailed configuration The detailed configurations of structures 800A and 800B will now be described. Structure 800A is a variable structure whose configuration can be changed by the operation of structure 800A. Structure 800B is a variable structure whose configuration can be changed by the operation of structure 800B. The structure of structure 800A and the structure of structure 800B are substantially symmetric with respect to the planes extending in the Y and Z directions. The functions of structure 800A and structure 800B are the same. The structure and function of structure 800A will be described below.

[0367] Figure 72 is a perspective view showing the detailed configuration of structure 800A. Figure 73 is a front view showing the detailed configuration of structure 800A. Figure 74 is a rear view showing the detailed configuration of structure 800A. Figure 75 is a left side view showing the detailed configuration of structure 800A. Figure 76 is a right side view showing the detailed configuration of structure 800A. Figure 77 is a top view showing the detailed configuration of structure 800A.

[0368] Structure 800A mainly consists of a front wall 110, a third guide rail 111, a fourth guide rail 112, a left side wall 820, a right side wall 830, and a ceiling 150. The structure and function of the front wall 110, the third guide rail 111, the fourth guide rail 112, and the ceiling 150 are the same as in the first embodiment, so their description is omitted.

[0369] The left wall 820 is erected approximately perpendicular to the floor F. The left wall 820 is in contact with the front wall 110, the ceiling 150, and the vertical wall V. The left wall 820 is an example of the first component.

[0370] The right-side wall 830 is erected approximately perpendicular to the floor F. The right-side wall 830 is in contact with the front wall 110, the ceiling 150, and the vertical wall V. The right-side wall 830 is an example of the first component.

[0371] The opening 151 may be provided in the front wall 110, the left wall 820, or the right wall 830. The opening 152 may be provided in the front wall 110, the left wall 820, or the right wall 830.

[0372] The area of ​​floor F where the plant P is cultivated is enclosed by the front wall 110, the left side wall 820, the right side wall 830, the ceiling 150, and the vertical wall V, thereby forming the interior I22. Specifically, the left side of the area of ​​floor F where the plant P is cultivated is enclosed by the left side wall 820. Specifically, the left side of the area of ​​floor F where the plant P is cultivated is enclosed by the right side wall 830.

[0373] The interior space I22 is isolated from the outside of the structure 800A and the passageway 102 by the front wall 110, the left wall 820, the right wall 830, the ceiling 150, and the vertical wall V. The space between the interior space I22 and the outside of the structure 800A and the passageway 102 is covered by the front wall 110, the left wall 820, the right wall 830, the ceiling 150, and the vertical wall V. It becomes difficult for people, equipment, and air to pass from the outside of the structure 800A and the passageway 102 to the interior space I22. Therefore, air supplied to the interior space I22 through the opening 151 does not easily flow from the interior space I22 to the outside of the structure 800A. Air in space I24 also does not easily flow into the interior space I22. It is difficult for people or equipment to approach the interior space I22. People or equipment cannot secure working space.

[0374] Plants P are cultivated in the interior I22. Some of the bed F in the interior I22 is filled with soil (not shown) in which plants P can be planted, or with a nutrient solution (not shown) in which plants P can be immersed. In the interior I22, plants P are either planted in soil or immersed in the nutrient solution.

[0375] Examples of the configurations of the left wall 820 and the right wall 830 include, but are not limited to, a configuration of a frame and vinyl covering the frame, a configuration of a frame and glass covering the frame, a configuration of a frame and plastic film covering the frame, and a configuration in which the frame and the surface covering the frame are integrated.

[0376] The left wall 820 and the right wall 830 include transparent or translucent vinyl, glass, or plastic film so that light from the lighting in space I24 can be transmitted to the interior I22. Because the left wall 820 and the right wall 830 are transparent or translucent, the plants P in the interior I22 are visible from the outside of the structure 800A.

[0377] The width of structure 800A (width relative to the front wall 110 and ceiling 150) is such that D21 and D22 are ensured. D21 is the shortest distance in the negative Z direction from plant P to the left wall 820 when plant P has finished growing. D21 is preferably between 1 cm and 10 cm, but is not limited to this. D22 is the shortest distance in the negative Z direction from plant P to the right wall 830 when plant P has finished growing. D22 is preferably between 1 cm and 10 cm, but is not limited to this.

[0378] The front wall 110 is a component whose configuration can be changed. Therefore, the structure 800A is a variable structure.

[0379] The structure 800A may further include flooring (not shown). The flooring is in contact with the front wall 110, the vertical wall V, the left wall 820, and the right wall 830. The flooring is laid on the floor F of the interior I22 (all or part of the floor F of the interior I22). An opening 151 may be provided in the flooring. An opening 152 may be provided in the flooring. The interior I22 is formed by being enclosed by the flooring in addition to the front wall 110, the vertical wall V, the left wall 820, and the right wall 830.

[0380] (3) Variant Regarding the modified version of the eighth embodiment, we will omit explanations of points that are the same as those of the eighth embodiment and focus on explaining the differences from the eighth embodiment.

[0381] (3-1) Variation 8A Structures 800A and 800B may be installed inside any of the following: the mushroom cultivation facility 20, the plant factory 30, the server room 40, the warehouse 50, the livestock shed 60, or the land-based aquaculture farm 70.

[0382] (3-2) Modification 8B In the eighth embodiment, the front wall 110 of modification 8A may be modified in appearance by control of a control device (not shown). In other words, the slat SL may slide along the third guide rail 111 and the fourth guide rail 112 by control of the control device.

[0383] <Ninth Embodiment> (1) Overall structure The overall configuration of the equipment 9 according to the ninth embodiment will be described below. Hereinafter, similarities between the first and ninth embodiments will be omitted, and the differences between the first and ninth embodiments will be the focus of the description. Figure 78 is a schematic diagram showing the overall configuration of the equipment 9 according to the ninth embodiment. The equipment 9 mainly comprises a greenhouse 10 and an air conditioner 11.

[0384] (1-1) Greenhouse The interior of the greenhouse 10 mainly consists of structure 900A and structure 900B. Structures 900A and 900B divide the interior of the greenhouse 10 into three areas: the area inside structure 900A I25, the area inside structure 900B I26, and the area outside structures 900A and 900B, which is the interior of the greenhouse 10. Details of structures 900A and 900B will be described later.

[0385] In addition, facility 9 may be equipped with a greenhouse (such as a glass greenhouse or a plastic film greenhouse) instead of the vinyl greenhouse 10.

[0386] (1-2) Air conditioner The air outlet of the air conditioner 11 is connected to the interior I25 by a hose (not shown). The air outlet of the air conditioner 11 is also connected to the interior I26 by a different hose (not shown) from the hose connected to the interior I25. The hose connecting the air outlet of the air conditioner 11 to the interior I25, and the hose connecting the air outlet of the air conditioner 11 to the interior I26, are examples of first hoses. The air conditioned by the air conditioner 11 is supplied to the interior I25 and interior I26 via the hoses.

[0387] (2) Detailed configuration The detailed configurations of structures 900A and 900B will now be described. Structure 900A is a variable structure whose configuration can be changed by the operation of structure 900A. Structure 900B is a variable structure whose configuration can be changed by the operation of structure 900B. The structure of structure 900A and the structure of structure 900B are substantially symmetric with respect to the planes extending in the Y and Z directions. The functions of structure 900A and structure 900B are the same. The structure and function of structure 900A will be described below.

[0388] Figure 79 is a perspective view showing the detailed configuration of structure 900A. Figure 80 is a front view showing the detailed configuration of structure 900A. Figure 81 is a rear view showing the detailed configuration of structure 900A. Figure 82 is a left side view showing the detailed configuration of structure 900A. Figure 83 is a right side view showing the detailed configuration of structure 900A. Figure 84 is a top view showing the detailed configuration of structure 900A.

[0389] Structure 900A mainly consists of a front wall 110, a third guide rail 111, a fourth guide rail 112, a left side wall 920, a ceiling 150, and a rear wall 940. The structure and function of the front wall 110, the third guide rail 111, the fourth guide rail 112, and the ceiling 150 are the same as in the first embodiment, so their description is omitted.

[0390] The left wall 920 is erected approximately perpendicular to the floor F. The left wall 920 is in contact with the front wall 110, the ceiling 150, and the rear wall 940. The left wall 920 is an example of the first component.

[0391] The rear wall 940 faces the front wall 110 and is erected approximately perpendicular to the floor F. The rear wall 940 is in contact with the ceiling 150, the left side wall 920, and the vertical wall V.

[0392] The opening 151 may be provided in the front wall 110, the left side wall 920, or the rear wall 940. The opening 152 may be provided in the front wall 110, the left side wall 920, or the rear wall 940.

[0393] The area of ​​floor F where plants P are cultivated is enclosed by the front wall 110, the left side wall 920, the rear wall 940, the ceiling 150, and the vertical wall V, thereby forming the interior I25. Specifically, the left side of the area of ​​floor F where plants P are cultivated is enclosed by the left side wall 920. The rear side of the area of ​​floor F where plants P are cultivated is enclosed by the rear wall 940.

[0394] The interior space I25 is shielded from the outside of the structure 900A and the passageway 102 by the front wall 110, the left side wall 920, the rear wall 940, the ceiling 150, and the vertical wall V. The space between the interior space I25 and the outside of the structure 900A and the passageway 102 is covered by the front wall 110, the left side wall 920, the rear wall 940, the ceiling 150, and the vertical wall V. It becomes difficult for people, equipment, and air to pass from the outside of the structure 900A and the passageway 102 to the interior space I25. Therefore, air supplied to the interior space I25 through the opening 151 does not easily flow from the interior space I25 to the outside of the structure 900A. Air in space I27 also does not easily flow into the interior space I25. It is difficult for people or equipment to approach the interior space I25. People or equipment cannot secure working space.

[0395] Plants P are cultivated in the inner I25. Some of the bed F in the inner I25 is filled with soil (not shown) in which plants P can be planted, or with a nutrient solution (not shown) in which plants P can be immersed. In the inner I25, plants P are either planted in soil or immersed in the nutrient solution.

[0396] Examples of the configurations of the left wall 920 and the rear wall 940 include, but are not limited to, a configuration of a frame and vinyl covering the frame, a configuration of a frame and glass covering the frame, a configuration of a frame and plastic film covering the frame, and a configuration in which the frame and the surface covering the frame are integrated.

[0397] The left wall 920 and the rear wall 940 include transparent or translucent vinyl, glass, or plastic film so that light from the lighting in space I27 can be transmitted to the interior I25. Because the left wall 920 and the rear wall 940 are transparent or translucent, the plants P in the interior I25 are visible from the outside of the structure 900A.

[0398] The front wall 110 is a component whose configuration can be changed. Therefore, the structure 900A is a variable structure.

[0399] The structure 900A may further include flooring (not shown). The flooring is in contact with the front wall 110, the vertical wall V, the left side wall 920, and the rear wall 940. The flooring is laid on the floor F of the interior I25 (all or part of the floor F of the interior I25). An opening 151 may be provided in the flooring. An opening 152 may be provided in the flooring. The interior I25 is formed by being enclosed by the flooring in addition to the front wall 110, the vertical wall V, the left side wall 920, and the rear wall 940.

[0400] (3) Variant Regarding the modified form of the ninth embodiment, we will omit explanations of points that are the same as those of the ninth embodiment and focus on explaining the differences from the ninth embodiment.

[0401] (3-1) Modification 9A Equipment 9 may include a structure (not shown) that is substantially symmetrical to structures 900A and 900B with respect to the planes extending in the X and Y directions, instead of structures 900A and 900B. Structure 900A has a right-side wall (not shown) that is substantially symmetrical to the left-side wall 920 with respect to the planes extending in the X and Y directions, instead of the left-side wall 920.

[0402] (3-2) Modification 9B In the ninth embodiment or modified example 9A, structures 900A and 900B may be installed inside any of the following: the mushroom cultivation facility 20, the plant factory 30, the server room 40, the warehouse 50, the livestock shed 60, and the land-based aquaculture farm 70.

[0403] (3-3) Modification 9C The front wall 110 of the ninth embodiment, modification 9A, and modification 9B may be modified in appearance by control of a control device (not shown). In other words, the slat SL may slide along the third guide rail 111 and the fourth guide rail 112 by control of the control device.

[0404] <Tenth Embodiment> (1) Overall structure The overall configuration of the equipment 12 according to the 10th embodiment will now be described. Hereinafter, similarities between the 7th and 10th embodiments will be omitted, and the differences between the 7th and 10th embodiments will be the focus of the description. Figure 85 is a schematic diagram showing the overall configuration of the equipment 12 according to the 10th embodiment. The equipment 12 mainly comprises a greenhouse 10 and an air conditioner 11.

[0405] (1-1) Greenhouse The interior of the greenhouse 10 mainly consists of structure 1000A and structure 1000B. Structures 1000A and 1000B divide the interior of the greenhouse 10 into three areas: the area inside structure 1000A I28, the area inside structure 1000B I29, and the area outside structures 1000A and 1000B, which is the interior of the greenhouse 10. Details of structures 1000A and 1000B will be described later.

[0406] In addition, facility 12 may be equipped with a greenhouse (such as a glass greenhouse or a plastic film greenhouse) instead of the vinyl greenhouse 10.

[0407] (1-2) Air conditioner The air outlet of the air conditioner 11 is connected to the inner I28 by a hose (not shown). The air outlet of the air conditioner 11 is also connected to the inner I29 by a different hose (not shown) from the hose connected to the inner I28. The hose connecting the air outlet of the air conditioner 11 to the inner I28 and the hose connecting the air outlet of the air conditioner 11 to the inner I29 are examples of first hoses. The air conditioned by the air conditioner 11 is supplied to the inner I28 and inner I29 via the hoses.

[0408] (2) Detailed configuration The detailed configurations of structures 1000A and 1000B will be described below. Structure 1000A is a variable structure whose configuration can be changed by the operation of structure 1000A. Structure 1000B is a variable structure whose configuration can be changed by the operation of structure 1000B. The structure of structure 1000A and the structure of structure 1000B are substantially symmetric with respect to the planes extending in the Y and Z directions. The functions of structure 1000A and structure 1000B are the same. The structure and function of structure 1000A will be described below.

[0409] Figure 86 is a perspective view showing the detailed configuration of structure 1000A. Figure 87 is a front view showing the detailed configuration of structure 1000A. Figure 88 is a rear view showing the detailed configuration of structure 1000A. Figure 89 is a left side view showing the detailed configuration of structure 1000A. Figure 90 is a right side view showing the detailed configuration of structure 1000A. Figure 91 is a top view showing the detailed configuration of structure 1000A.

[0410] Structure 1000A mainly consists of a front wall 210, a third guide rail 111, a fourth guide rail 112, a rear wall 440, a left side wall 720, and a right side wall 1030. The structure and function of the front wall 210, the third guide rail 111, the fourth guide rail 112, the rear wall 440, and the left side wall 720 are the same as in the seventh embodiment, so their description is omitted.

[0411] The right-side wall 1030 is erected approximately perpendicular to the floor F. The right-side wall 1030 is in contact with the front wall 210, the ceiling C, and the rear wall 440. The right-side wall 1030 is an example of the first component.

[0412] The opening 451 may be provided in the front wall 210, the left side wall 720, or the right side wall 1030. The opening 452 may be provided in the front wall 210, the left side wall 720, or the right side wall 1030.

[0413] The area of ​​floor F where the plant P is cultivated is enclosed by the front wall 210, the back wall 440, the ceiling C, the left side wall 720, and the right side wall 1030, thereby forming the interior I28. Specifically, the right side of the area of ​​floor F where the plant P is cultivated is enclosed by the right side wall 1030.

[0414] The interior I28 is shielded from the outside of the structure 1000A and the passage 102 by the front wall 210, the rear wall 440, the ceiling C, the right side wall 1030, and the left side wall 720. The space between the interior I28 and the outside of the structure 1000A and the passage 102 is covered by the front wall 210, the rear wall 440, the ceiling C, the right side wall 1030, and the left side wall 720. It becomes difficult for people, equipment, and air to pass from the outside of the structure 1000A and the passage 102 to the interior I28. Therefore, air supplied to the interior I28 through the opening 451 does not easily flow from the interior I28 to the outside of the structure 1000A. Air in space I30 also does not easily flow into the interior I28. It is difficult for people or equipment to approach the interior I28. People or equipment cannot secure working space.

[0415] Plants P are cultivated in the interior I28. Some of the bed F in the interior I28 is filled with soil (not shown) in which plants P can be planted, or with a nutrient solution (not shown) in which plants P can be immersed. In the interior I28, plants P are either planted in soil or immersed in nutrient solution.

[0416] Examples of the configuration of the right-side wall 1030 include, but are not limited to, a configuration of a frame and vinyl covering the frame, a configuration of a frame and glass covering the frame, a configuration of a frame and plastic film covering the frame, and a configuration in which the frame and the surface covering the frame are integrated.

[0417] The right wall 1030 includes a transparent or translucent vinyl, glass, or plastic film so that light from the lighting in space I30 can be transmitted to the interior I28. Because the right wall 1030 is transparent or translucent, the plants P in the interior I28 are visible from the outside of the structure 1000A.

[0418] The width of structure 1000A (width relative to the front wall 210 and rear wall 440) is such that D24 is ensured. D24 is the shortest distance in the Z direction from plant P to the right wall 1030 when plant P has finished growing. D24 is preferably between 1 cm and 10 cm, but is not limited to this.

[0419] The front wall 210 is a component whose configuration can be changed. Therefore, structure 1000A is a variable structure.

[0420] The structure 1000A may further include flooring (not shown). The flooring is in contact with the front wall 210, the rear wall 440, the right side wall 1030, and the left side wall 720. The flooring is laid on the floor F of the interior I28 (all or part of the floor F of the interior I28). An opening 451 may be provided in the flooring. An opening 452 may be provided in the flooring. The interior I28 is formed by being enclosed by the front wall 210, the rear wall 440, the ceiling C, the right side wall 1030, the left side wall 720, and the flooring.

[0421] (3) Variant Regarding the modified version of the tenth embodiment, we will omit explanations of points that are the same as those of the tenth embodiment and focus on explaining the differences from the tenth embodiment.

[0422] (3-1) Modification example 10A Structures 1000A and 1000B may be installed inside any of the following: mushroom cultivation facility 20, plant factory 30, server room 40, warehouse 50, livestock shed 60, or land-based aquaculture farm 70.

[0423] (3-2) Modification 10B The front wall 210 of the tenth embodiment, modified example 10A, may be modified in appearance by control of a control device (not shown). In other words, the slat SL may slide along the third guide rail 111 and the fourth guide rail 112 by control of the control device.

[0424] While embodiments of this disclosure have been described above, it should be understood that various modifications to the form and details are possible without departing from the spirit and scope of this disclosure as described in the claims. [Explanation of symbols]

[0425] 11. Air conditioner 102 Passage 110 Front wall 111 Third guide rail 112 Fourth guide rail 150 ceiling 210 Front wall 310 Front wall 311 Third guide rail 312 Fourth guide rail 330 Right side wall 440 Back wall 510 Front wall 540 Back wall 550 ceiling 610 Front wall 612 First guide rail 613 Second guide rail 620 Left side wall 650 ceiling 720 Left side wall 820 Left side wall 830 Right side wall 920 Left side wall 940 Back wall 1030 Right side wall AX rotation axis C Ceiling F floor G product I1 Inside I2 Inside I4 Inside I5 Inside I7 inside I8 inside I10 Inside I11 Inside I13 Inside I14 Inside I16 Inside I17 Inside I19 Inside I20 Inside I22 inside I23 Inside I25 Inside I26 Inside I28 Inside I29 Inside M Mushroom L Livestock P plant SV Server Q Aquatic life V-shaped vertical wall

Claims

1. A variable structure installed inside another structure, wherein, on its interior (I1, I2, I4, I5, I7, I8, I10, I11, I13, I14, I16, I17, I19, I20, I22, I23, I25, I26, I28, I29), plants (P) or mushrooms (M) are cultivated, livestock (L) are raised, aquatic organisms (Q) are farmed, goods (G) are stored, or servers (SV) are installed. The configuration can be changed, and the front walls (110, 210, 310, 510, 610) erected inside the said interior, A supply port is an opening that supplies conditioned air from an air conditioner (11) on the outside of the variable structure to the inside, and is connected to a first hose that is connected to the air conditioner, Equipped with, The aforementioned interior is at least, The aforementioned front wall and, At least one of the vertical wall (V) of the other structure and the ceiling (C) of the other structure, It is formed by being surrounded by By changing the configuration of the front wall, the state in which the outer and inner surfaces are separated is changed to a state in which the outer and inner surfaces are in communication. Variable structure.

2. The first component in contact with the front wall, Furthermore, The first component is, The ceiling (150, 550, 650) adjacent to the aforementioned front wall, The left side wall (620, 720, 820, 920) is erected inside the aforementioned interior and is in contact with the front wall, The right side wall (330, 830, 1030) is erected inside the aforementioned interior and is in contact with the front wall, It is one of the following: The aforementioned interior is at least, The aforementioned front wall and, The first component and, At least one of the vertical walls of the other structure and the ceiling of the other structure, Formed by being surrounded, The variable structure according to claim 1.

3. A rear wall (440, 540, 940) is erected inside the aforementioned interior and faces the front wall, Furthermore, The aforementioned interior is at least, The aforementioned front wall and, The aforementioned rear wall and, At least one of the vertical walls of the other structure and the ceiling of the other structure, Formed by being surrounded, The variable structure according to claim 1.

4. The aforementioned front wall is The outer passage (102) used by a person or device when work is performed on any of the plants or mushrooms, the livestock, the aquatic organisms, the goods, or the server, Facing, By changing the configuration of the front wall, the state in which the passage and the interior are separated is changed to a state in which the passage and the interior are in communication. A variable structure according to any one of claims 1 to 3.

5. A first guide rail (612) is provided substantially perpendicular to the internal floor (F), A second guide rail (613) is provided opposite the first guide rail and substantially perpendicular to the floor, Furthermore, The front wall is guided and slid by the first guide rail and the second guide rail, thereby changing the shape of the front wall. A variable structure according to any one of claims 1 to 3.

6. A third guide rail (111, 311) is provided substantially parallel to the interior floor, A fourth guide rail (112, 312) is provided opposite the third guide rail and substantially parallel to the floor, Furthermore, The front wall is guided and slid by the third guide rail and the fourth guide rail, thereby changing the shape of the front wall. A variable structure according to any one of claims 1 to 3.

7. Opposite the aforementioned interior floor, connected to the aforementioned front wall, is a movable ceiling, A rotating shaft (AX) is provided along the end of the aforementioned ceiling, Furthermore, When the ceiling rotates around the rotation axis, the front wall also rotates along with the ceiling, thereby changing the configuration of the front wall. The aforementioned interior is at least, The aforementioned front wall and, The aforementioned ceiling and, At least one of the vertical walls of the other structure and the ceiling of the other structure, Formed by being surrounded, The variable structure according to claim 1.

8. The supply port is located approximately vertically below the approximately vertical center of the variable structure. A variable structure according to any one of claims 1 to 3 or 7.

9. The supply port is provided approximately vertically above the approximately vertical center of the variable structure. A variable structure according to any one of claims 1 to 3 or 7.

10. An exhaust port is an opening that discharges the air inside from the inside to the outside. Furthermore, A variable structure according to any one of claims 1 to 3 or 7.

11. If the supply port is located approximately vertically below the approximate vertical center of the variable structure, the exhaust port is located approximately vertically above the approximate vertical center of the variable structure. If the supply port is located approximately vertically above the approximate vertical center of the variable structure, the exhaust port is located approximately vertically below the approximate vertical center of the variable structure. The variable structure according to claim 10.

12. The exhaust port is connected to a second hose, which is connected to the intake port of the air conditioner. The variable structure according to claim 10.

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