Ventilation inner window and granary ventilation inner window design method

Abstract

The invention relates to the technical field of grain storage, and discloses a ventilation inner window and a granary ventilation inner window design method.The ventilation inner window comprises a driving assembly, a window body and a humidity sensor, and the driving assembly comprises a driving part, a driving transmission part and a limiting structure; the driving piece is arranged on a wall body, and the driving transmission piece is arranged at the output end of the driving piece; the limiting structure is arranged on the driving part and stops the driving transmission part from rotating; the window body is in transmission connection with the driving transmission part; the driving piece drives the driving transmission piece to drive the window body to rotate to shield the ventilation opening; and the humidity sensor is arranged in the granary. According to the technical scheme, the humidity sensor detects the humidity in the granary, the industrial personal computer sets the rotation angle, the driving piece drives the window body to rotate to a certain angle, the driving piece stops driving the transmission piece, the limiting structure stops driving the transmission piece to rotate freely, and the window body is made to be in the ideal opening and closing amplitude all the time; in this way, the granary is always kept in an ideal ventilation state, and loss of grains in the storage process is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of grain storage, and in particular to a ventilation inner window and a design method for the ventilation inner window of a grain silo. Background Art

[0002] Grain storage refers to facilities or buildings that are specifically used to store large quantities of grain. These storage facilities are usually designed to protect the grain from weather, pests and other natural disasters, while ensuring that the grain maintains its quality and safety during storage. In order to improve the airtightness and thermal insulation performance of the grain silo while ensuring ventilation of the grain silo, an internal window structure is usually set in the grain silo. In grain storage ventilation management, good ventilation can keep the humidity in the grain silo at an optimal state.

[0003] However, since the humidity in the granary changes at any time with the weather, the opening and closing range of the inner windows in the traditional ventilation method cannot be controlled in real time, and the humidity in the granary cannot always be maintained at the optimal state. This makes it easy for the grain to lose too much moisture or become moldy, resulting in increased grain losses during storage. Summary of the invention

[0004] The main purpose of the present invention is to provide a ventilated inner window, aiming at reducing the loss of grain during storage.

[0005] To achieve the above object, the ventilated inner window proposed by the present invention is applied to a granary, wherein the granary has a wall with a vent, and the ventilated inner window comprises:

[0006] A driving assembly, the driving assembly comprising a driving member, a driving transmission member, and a limiting structure; the driving member is arranged on the wall, the driving transmission member is arranged at the output end of the driving member; the limiting structure is arranged on the driving member and connected to the driving transmission member to stop the driving transmission member from rotating;

[0007] A window, the window is drivingly connected to the driving transmission member, and one end of the window away from the driving transmission member is used to connect to one side of the wall; the driving member drives the driving transmission member to drive the window to rotate to cover the vent; and

[0008] A humidity sensor is disposed in the granary and is electrically connected to the driving member.

[0009] Optionally, the limiting structure includes a limiting member and a stopper, wherein the limiting member is disposed on the driving member, and the stopper is disposed on the driving transmission member and cooperates with the limiting member to stop the driving transmission member from rotating.

[0010] Optionally, the driving assembly is used to connect the side of the wall facing away from the window; the ventilated inner window also includes a transmission assembly, the transmission assembly includes a first transmission rod, a first transmission member and a second transmission member, the first transmission rod is used to pass through the wall, the first transmission member and the second transmission member are respectively arranged at both ends of the first transmission rod, the first transmission member is connected to the window, and the second transmission member is connected to the driving transmission member.

[0011] Optionally, the transmission assembly further includes a third transmission rod and an internal fixed seat, the internal fixed seat is used to connect to the wall, both ends of the third transmission rod are respectively connected to the internal fixed seat and the first transmission member, and the window is connected to the middle position of the third transmission rod.

[0012] Optionally, the transmission assembly further includes a swing rod and a push-pull rod, the push-pull rod is connected to the middle position of the third transmission rod, the swing rod is connected to the push-pull rod and forms an angle with the push-pull rod; the swing rod is connected to the window.

[0013] Optionally, the transmission assembly further includes an upper fixing seat, the upper fixing seat is used to be connected to the wall, and one end of the second transmission rod away from the driving transmission member is connected to the upper fixing seat.

[0014] Optionally, the driving transmission member is a screw nut.

[0015] The present invention further provides a method for designing a granary ventilation inner window, which is applied to any of the above ventilation inner windows. The method for designing a granary ventilation inner window comprises:

[0016] Determine basic data: determine the size of the window, the time required to open and close the window, and the range of the torque required to rotate the window;

[0017] Determination of drive components: selection of drive components and design of limit structure;

[0018] Determine the transmission method: select and design the speed reduction and reversing mechanism;

[0019] Determine the transmission rod group, and calculate and determine the position and movement relationship between the swing rod and the push-pull rod and the window.

[0020] Optionally, the steps of determining the transmission rod group and calculating and determining the position relationship and movement relationship between the swing rod and the push-pull rod and the window include:

[0021] Calculating and determining the installation lengths of the first transmission rod, the second transmission rod, and the third transmission rod;

[0022] Determine the kinematic relationship and connection requirements between the swing rod and the push-pull rod;

[0023] Calculate the opening and closing time of the form;

[0024] Calculate the force required to open and close the window.

[0025] Optionally, the drive assembly is determined: the drive component selection and the limit structure design steps include:

[0026] Select the driver model according to the basic data in the form;

[0027] Determine whether the drive element is directly connected to the deceleration reversing mechanism and select the deceleration reversing mechanism model;

[0028] Design the limit structure according to the basic data of the window and the model of the deceleration and reversing mechanism.

[0029] In the technical solution of the present invention, the ventilated inner window includes a driving component, a window body and a humidity sensor, the driving component includes a driving member, a driving transmission member and a limiting structure; the driving member is arranged on the wall, and the driving transmission member is arranged at the output end of the driving member; the limiting structure is arranged on the driving member, and is connected to the driving transmission member to stop the driving transmission member from rotating; the window body is connected to the driving transmission member, and one end of the window body away from the driving transmission member is used to connect to one side of the wall; the driving member drives the driving transmission member to drive the window to rotate to cover the vent; the humidity sensor is arranged in the granary and is electrically connected to the driving member. In the technical solution of the present invention, the humidity sensor detects the humidity of the air in the granary, and uploads the humidity signal to the industrial computer, which calculates the set rotation angle of the window and controls the driving member to start driving the driving transmission member to drive the window to rotate; when the window rotates to the set rotation angle, the driving member stops driving the transmission member, and at this time the limit structure stops the driving transmission member from rotating freely, so that the window is always in an ideal opening and closing range; in this way, the opening and closing range of the window is controlled in real time according to the humidity in the granary, so that the granary is always kept in an ideal ventilation state, which can effectively prevent the grain in the granary from losing too much moisture or getting moldy, and reduce the loss of grain during storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0031] Figure 1 This is a schematic structural diagram of an embodiment of a ventilation inner window provided by the present invention;

[0032] Figure 2 It is a schematic diagram of the three-dimensional structure of the driving component in the ventilation inner window;

[0033] Figure 3 It is a schematic diagram of the three-dimensional structure of the window in the ventilation inner window;

[0034] Figure 4 It is a schematic diagram of the three-dimensional structure of the second transmission rod in the ventilation inner window;

[0035] Figure 5 It is a schematic diagram of the structure of the swing rod and the push-pull rod in the ventilation inner window.

[0036] Description of Figure Numbers:

[0037] Label name Label name 1000 Ventilation inner window 32 First transmission member 1 Drive components 33 Second transmission member 11 Drive parts 34 Second transmission rod 12 Drive transmission parts 35 The third transmission rod 13 Limiting structure 36 Internal fixed seat 131 Limiting parts 37 Swing rod 132 Stopper 38 Push-pull rod 2 Form 39 Upper fixed seat 31 First transmission rod a Wall

[0038] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0041] In addition, the descriptions of "first", "second", etc. in the present invention are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0042] Please refer to Figure 1 , Figure 2 , Figure 3 as well as Figure 4 In order to solve the problem of increased loss of grain during storage, the present invention proposes a ventilation inner window 1000, which is applied to a granary. The granary has a wall a with a vent, and the ventilation inner window 1000 includes:

[0043] A driving component 1, a window 2 and a humidity sensor, wherein the driving component 1 includes a driving member 11, a driving transmission member 12 and a limiting structure 13; the driving member 11 is arranged on the wall a, and the driving transmission member 12 is arranged at the output end of the driving member 11; the limiting structure 13 is arranged on the driving member 11, and is connected to the driving transmission member 12 to stop the driving transmission member 12 from rotating; the window 2 is connected to the driving transmission member 12, and one end of the window 2 away from the driving transmission member 12 is used to connect to one side of the wall a; the driving member 11 drives the driving transmission member 12 to drive the window 2 to rotate to cover the vent; the humidity sensor is arranged in the granary and is electrically connected to the driving member 11.

[0044] In the technical solution of the present invention, the humidity sensor detects the humidity of the air in the granary, and uploads the humidity signal to the industrial computer, which calculates the set rotation angle of the window 2 and controls the driving member 11 to start driving the driving transmission member 12 to drive the window 2 to rotate; when the window 2 rotates to the set rotation angle, the driving member 11 stops driving the driving transmission member 12, and at this time the limiting structure 13 stops the driving transmission member 12 from rotating freely, so that the window 2 is always in an ideal opening and closing range; in this way, the opening and closing range of the window 2 is controlled in real time according to the humidity in the granary, so that the granary is always kept in an ideal ventilation state, which can effectively prevent the grain in the granary from losing too much moisture or getting moldy, and reduce the loss of grain during storage.

[0045] In one embodiment, the limiting structure 13 includes a limiting member 131 and a stopper 132 . The limiting member 131 is disposed on the driving member 11 , and the stopper 132 is disposed on the driving transmission member 12 and cooperates with the limiting member 131 to stop the driving transmission member 12 from rotating.

[0046] In one embodiment, the driving assembly 1 is used to connect the side of the wall a facing away from the window 2; the ventilated inner window 1000 also includes a transmission assembly, which includes a first transmission rod 31, a first transmission member 32 and a second transmission member 33. The first transmission rod 31 is used to penetrate the wall a, and the first transmission member 32 and the second transmission member 33 are respectively arranged at both ends of the first transmission rod 31. The first transmission member 32 is connected to the window 2, and the second transmission member 33 is connected to the screw nut. The first transmission rod 31 penetrates the wall a, so that the window 2 and the driving assembly 1 are respectively arranged on the inner and outer sides of the wall a, so that the user can use the driving assembly 1 to control the opening and closing of the window 2 located on the inner side of the wall a outside the granary, which is convenient for the user's operation.

[0047] Since the height of the granary is relatively high, and in order to better store grain, the vent is usually set at the top of the granary, and it is difficult for the user to open and close the window 2. In one embodiment, the transmission assembly also includes a second transmission rod 34, and the two ends of the second transmission rod 34 are respectively connected to the screw nut and the second transmission member 33. The second transmission member 33 is at the height of the window 2, and the second transmission rod 34 is extended up and down, so that the position of the screw nut is lower than the position of the second transmission member 33, so the position of the drive assembly 1 is lower than the height of the window 2, so that the user can use the drive assembly 1 to open and close the window 2.

[0048] In one embodiment, the transmission assembly further includes a third transmission rod 35 and an inner fixing seat 36, the inner fixing seat 36 is used to connect to the wall a, the two ends of the third transmission rod 35 are respectively connected to the inner fixing seat 36 and the first transmission member 32, and the window 2 is connected to the middle position of the third transmission rod 35. The two ends of the third transmission rod 35 are respectively connected to the inner fixing seat 36 and the first transmission member 32, so that the third transmission rod 35 rotates on the line connecting the inner fixing seat 36 and the first transmission member 32, so that the window 2 can stably rotate around the axis, so that the opening and closing range of the window 2 can be uniformly changed according to the rotation angle of the window 2, so that the user can more accurately control the opening and closing range of the window 2.

[0049] In one embodiment, the transmission assembly further includes a swing rod 37 and a push-pull rod 38, wherein the push-pull rod 38 is connected to the middle position of the third transmission rod 35, and the swing rod 37 is connected to the push-pull rod 38 and forms an angle with the push-pull rod 38; the swing rod 37 is connected to the window 2. The angle formed by the swing rod 37 and the push-pull rod 38 enables the window 2 to swing to a greater angle toward the internal space of the granary, thereby expanding the range of the opening and closing amplitude of the window 2, thereby meeting a greater degree of ventilation demand.

[0050] Since the position of the hatch is usually higher than the ground, considering the need for convenient user operation, the second transmission rod 34 extends for a longer length, and the end of the second transmission rod 34 will not stably transmit under the influence of gravity and external interference. In one embodiment, the transmission assembly also includes an upper fixing seat 39, which is used to connect to the wall a, and one end of the second transmission rod 34 away from the screw nut is connected to the upper fixing seat 39. The upper fixing seat 39 is used to stabilize the upper end of the second transmission rod 34, and the lower end of the second transmission rod 34 is connected to the screw nut, so that both ends of the second transmission rod 34 are firmly connected to the wall a, so that the second transmission rod 34 can be stably transmitted, so that the opening and closing rotation of the window 2 is more stable.

[0051] The driving transmission member 12 can be a slider guide structure or a screw nut. In one embodiment, the driving transmission member 12 is a screw nut, which is more stable as a transmission structure and has high transmission efficiency. Therefore, the screw nut is preferably used as the driving transmission member 12.

[0052] The present invention also proposes a design method for a granary ventilation inner window 1000, and the design method for a granary ventilation inner window 1000 is applied to the ventilation inner window 1000. The specific structure of the ventilation inner window 1000 refers to the above-mentioned embodiment. Since the design method for the granary ventilation inner window 1000 adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here one by one.

[0053] like Figure 5 As shown, the design method of the granary ventilation inner window 1000 includes determining the basic data: determining the size of the window 2, the time required for opening and closing the window 2, and the range of the torque required to rotate the window 2; determining the drive component 1: selecting the drive member 11 and designing the limit structure 13; determining the transmission method: selecting and designing the speed reduction and reversing mechanism; determining the transmission rod group, and calculating and determining the position relationship and movement relationship between the swing rod 37 and the push-pull rod 38 and the window 2.

[0054] Determine the size of window 2, the time required to open and close window 2, and the range of torque required to rotate window 2. Determine the horizontal width L4 of window 2, 800mm≤L4≤1500mm; determine the distance from the first transmission member 32 to the position where the window 2 connects the push-pull rod 38 to be L3, 200mm≤L3≤400mm; determine the torque required to rotate window 2 to be F1, F1≥500N·m; the time for a single opening or closing of window 2 is T, T<30s; the opening angle of window 2 is ξ, ξ>90°.

[0055] Selection of the drive member 11 and design of the limit structure 13. Specifically, the model and specification of the drive member 11 are selected according to the determined basic data, and the power, speed and installation method of the drive member 11 are determined. Confirm whether the drive member 11 is directly connected to the first transmission member 32. Further, determine the type, installation method, center distance, speed ratio, torque of the first transmission member 32, and whether an input shaft and output flange or shaft with the drive member 11 are required. Design the limit mechanism to meet the single-turn or multi-turn operation requirements of the input shaft at the end of the limit mechanism.

[0056] Design of the speed reduction and reversing mechanism. According to the layout of the window 2, the limit mechanism, and the installation position of the wall a, the first transmission member 32 and the second transmission member 33 are designed to connect and transmit the series operation. Based on the self-locking property of the worm gear, the worm gear reducer is the terminal transmission structure, which is connected to the window 2 through the transmission assembly to determine that the first transmission member 32 adopts the form of a worm gear reducer. Based on the fact that the second transmission rod 34 is located outside the warehouse and is a vertical rod, and the first transmission rod 31 is located in the hole of the wall a and is a horizontal rod, the structural form of the second transmission member 33 is determined.

[0057] Determine the transmission rod group, calculate and determine the positional relationship and motion relationship between the swing rod 37 and the push-pull rod 38 and the window 2. Specifically, calculate the installed lengths of the first transmission rod 31, the second transmission rod 34, and the third transmission rod 35; determine the motion relationship and connection requirements of the swing rod 37 and the push-pull rod 38. When the window 2 is opened, the opening angle ξ of the window 2 is greater than 90°. When the window 2 is closed, the angle β between the swing rod 37 and the push-pull rod 38 is required to be 90° or close to 90°. When β=90°, the effective force of the swing rod 37 on the push-pull rod 38 is the largest, and the window 2 is closed most tightly. Calculate the opening and closing time t (unit: s) of the window 2. According to step S20, the terminal output speed n1 (unit: r / min) of the limit mechanism is obtained; according to step S30, the output speed n2 (unit: r / min) of the third transmission rod 35 is obtained. When the window 2 is opened in place, the angle ξ is greater than 90°, and the motion trajectory of the swing rod 37 forms an operating angle α.

[0058] In this embodiment, the following formula can be used for explanation:

[0059] Where i is the reduction ratio.

[0060]

[0061] Wherein, V is the rotation speed of the driving member 11 , in units of r / min; i1 is the reduction ratio on the driving transmission member 12 ; and i2 is the reduction ratio on the first transmission member 32 and the second transmission member 33 .

[0062] When the window 2 is closed, the included angle between the push-pull rod 38 and the wall a is θ, the included angle between the swing rod 37 and the push-pull rod 38 is β, the effective action length of the swing rod 37 is L1, and the effective action length of the push-pull rod 38 is L2.

[0063] To calculate the force F on the opening and closing of window 2 推 , the output torque T of the first transmission member 32 needs to be obtained. According to the mechanical formula and trigonometric function relationship, F can be calculated. 推 .

[0064] In this embodiment, the following formula can be used for explanation:

[0065] T=9550Piη / n

[0066] Among them, T is torque, unit Nm; P is the output power of the driving member 11, unit kW; i is the total speed ratio of the system; η is the efficiency; n is the rotation speed of the driving member 11, unit r / min.

[0067] F 推 =Tsinβ·cosβ / L1

[0068] Where T is torque, in N·m.

[0069] According to the design method of the granary ventilation inner window 1000, the best ventilation inner window 1000 is selected to achieve good ventilation effect of the granary and reduce grain loss.

[0070] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A ventilated inner window (1000), applied to a granary, wherein the granary has a wall (a) formed with a vent, characterized in that: The ventilation inner window (1000) comprises: A driving assembly (1), the driving assembly (1) comprising a driving member (11), a driving transmission member (12), and a limiting structure (13); the driving member (11) is arranged on the wall (a), the driving transmission member (12) is arranged at the output end of the driving member (11); the limiting structure (13) is arranged on the driving member (11) and is connected to the driving transmission member (12) to stop the driving transmission member (12) from rotating; A window (2), the window (2) being drivingly connected to the driving transmission member (12), and one end of the window (2) away from the driving transmission member (12) being used to connect to one side of the wall (a); the driving member (11) drives the driving transmission member (12) to drive the window (2) to rotate so as to cover the vent; and A humidity sensor is arranged in the granary and is electrically connected to the driving member (11).

2. The ventilated inner window (1000) according to claim 1, characterized in that: The limiting structure (13) comprises a limiting member (131) and a stopper (132); the limiting member (131) is arranged on the driving member (11); the stopper (132) is arranged on the driving transmission member (12) and cooperates with the limiting member (131) to stop the driving transmission member (12) from rotating.

3. The ventilated inner window (1000) according to claim 1, characterized in that: The driving assembly (1) is used to connect the side of the wall (a) facing away from the window (2); the ventilated inner window (1000) also includes a transmission assembly, the transmission assembly includes a first transmission rod (31), a first transmission member (32) and a second transmission member (33), the first transmission rod (31) is used to pass through the wall (a), the first transmission member (32) and the second transmission member (33) are respectively arranged at two ends of the first transmission rod (31), the first transmission member (32) is connected to the window (2), and the second transmission member (33) is connected to the driving transmission member (12).

4. The ventilated inner window (1000) according to claim 3, characterized in that: The transmission assembly further comprises a third transmission rod (35) and an inner fixing seat (36), wherein the inner fixing seat (36) is used to connect to the wall (a), the two ends of the third transmission rod (35) are respectively connected to the inner fixing seat (36) and the first transmission member, and the window (2) is connected to the middle position of the third transmission rod (35).

5. The ventilated inner window (1000) according to claim 4, characterized in that: The transmission assembly also includes a swing rod (37) and a push-pull rod (38), wherein the push-pull rod (38) is connected to the middle position of the third transmission rod (35), and the swing rod (37) is connected to the push-pull rod (38) and forms an angle with the push-pull rod (38); the swing rod (37) is connected to the window (2).

6. The ventilated inner window (1000) according to claim 5, characterized in that: The transmission assembly further comprises an upper fixing seat (39), wherein the upper fixing seat (39) is used to be connected to the wall (a), and an end of the second transmission rod (34) away from the driving transmission member (12) is connected to the upper fixing seat (39).

7. The ventilated inner window (1000) according to claim 1, characterized in that: The driving transmission member (12) is a screw nut.

8. A method for designing a ventilated inner window of a granary, applied to the ventilated inner window (1000) as claimed in any one of claims 1 to 7, characterized in that: The method comprises the following steps: Step S10: Determine basic data: determine the window size, the time required to open and close the window, and the range of the torque required to rotate the window; Step S20: Determine the drive assembly: select the drive component and design the limit structure; Step S30: Determine the transmission method: select and design the speed reduction and reversing mechanism; Step S40: determine the transmission rod group, and calculate and determine the position relationship and movement relationship between the swing rod and the push-pull rod and the window.

9. The method for designing interior ventilation windows of a granary as claimed in claim 8, characterized in that: The step S40 comprises: Step S41: calculating and determining the installation lengths of the first transmission rod, the second transmission rod and the third transmission rod; Step S42: determining the motion relationship and connection requirements between the swing rod and the push-pull rod; Step S43: Calculate the opening and closing time of the window; Step S44: Calculate the force required to open and close the window.

10. The method for designing interior ventilation windows of a granary as claimed in claim 8, characterized in that: The step S20 comprises: Step S21: Select the driver model according to the form basic data; Step S22: determining whether the driving member is directly connected to the deceleration reversing mechanism and selecting the deceleration reversing mechanism model; Step S23: Designing a limit structure according to the basic data of the window and the model of the speed reduction and reversing mechanism.

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