Building energy-saving ventilation device

Abstract

The utility model relates to the technical field of building ventilation, in particular to a building energy-saving ventilation device which comprises a box body, the two ends of the box body are fixedly connected with an air inlet pipe and an air outlet pipe respectively, and the air inlet pipe and the air outlet pipe are both communicated with the box body. And a circular ring frame is arranged in the box body, a fixing ring is fixedly connected to the circumferential inner wall of the circular ring frame, a third motor is fixedly connected to the circumferential inner wall of the fixing ring, and a shaft sleeve is fixedly connected to the output end of the third motor. Under the condition that the external wind power condition is good, the third motor can be turned off, natural ventilation is conducted through the air inlet pipe, the first motor can be turned on before the device conducts natural ventilation, the first motor can drive the circular ring frame to rotate by 90 degrees, and therefore the circular ring frame and the fan blades in the vertical state can be rotated to be in the horizontal state; the resistance of the fan blades and other structures to airflow during natural ventilation can be reduced, the natural ventilation effect is guaranteed, and the energy-saving requirement of people is met.

Description

Technical Field

[0001] The utility model relates to the technical field of building ventilation, in particular to a building energy-saving ventilation device. Background Art

[0002] A building ventilation device is a HVAC equipment installed inside a building to exchange internal and external airflow. General building ventilation devices include air ducts, ventilators, and blowers.

[0003] After searching, the Chinese utility model patent with publication number CN219589105U discloses a building ventilation device, including: a wall body, a ventilation channel is opened on the surface of the wall body, a detachable filter plate is fixedly connected to the inner wall of the ventilation channel, a fan is arranged inside the ventilation channel, and a guide block located between the filter plate and the fan is fixedly connected to the inner top wall of the ventilation channel; by setting the mutual cooperation of the knocking structure and the driving structure, the filter plate can be knocked under the action of the knocking structure, and the impurities adhered to the surface can be fallen off by the knocking vibration. At the same time, the impact force generated is transmitted to the deep inside of the filter plate, so that the impurities adhered to the deep inside of the filter plate are caused to fall off by the impact force vibration, thereby avoiding the poor cleaning effect of the existing equipment on the impurities adhered to the deep inside of the filter plate, so that the impurities adhered to the inside can also be well cleaned, thereby improving the cleaning effect.

[0004] Based on the existing technologies, the above patents still have the following deficiencies: when performing natural ventilation, the fan installed inside the ventilation channel is placed vertically, which will block the airflow and affect the efficiency of natural ventilation. The fan still needs to be started for auxiliary ventilation, which will cause unnecessary energy consumption. Therefore, there is an urgent need for a building energy-saving ventilation device to solve the above problems. Utility Model Content

[0005] Based on the deficiencies in the prior art mentioned in the above background technology, the utility model provides a building energy-saving ventilation device.

[0006] The utility model overcomes the above technical problems by adopting the following technical solutions, specifically:

[0007] A building energy-saving ventilation device comprises a box body, both ends of which are fixedly connected with an air inlet pipe and an air outlet pipe, and both the air inlet pipe and the air outlet pipe are connected to the box body;

[0008] A circular ring frame is provided inside the box body, a fixing ring is fixedly connected to the circumferential inner wall of the circular ring frame, a third motor is fixedly connected to the circumferential inner wall of the fixing ring, a shaft sleeve is fixedly connected to the output end of the third motor, and a fan blade is fixedly connected to the circumferential outer wall of the shaft sleeve;

[0009] An adjusting component for leveling the fan blades is arranged inside the box.

[0010] As a further solution of the utility model: an installation frame is fixedly connected to the inside of the box, a slot is opened on one side of the installation frame, a filter screen is inserted into the slot, a first connecting plate is fixedly connected to one side of the filter screen, and the first connecting plate is fixedly connected to one side outer wall of the box.

[0011] As a further solution of the utility model: one side outer wall of the mounting frame is fixedly connected to a shell, the bottom outer wall of the shell is fixedly connected to a second motor, the output end of the second motor is fixedly connected to a threaded screw, the circumferential outer wall of the threaded screw is meshed with a threaded sleeve, one side outer wall of the threaded sleeve is fixedly connected to a limiting plate, one side outer wall of the shell is provided with a through groove, and one end of the limiting plate passes through the inside of the through groove.

[0012] As a further solution of the utility model: the inner walls on both sides of the other shell are fixedly connected with guide rods, the circumferential outer wall of the guide rod is sleeved with a guide cylinder, and the guide cylinder is fixedly connected to the other limit plate.

[0013] As a further solution of the utility model: one side outer wall of the limiting plate is fixedly connected to a transverse plate, and one side outer wall of the transverse plate is fixedly connected to a connecting rod.

[0014] As a further solution of the utility model: one end of the connecting rod away from the horizontal plate is fixedly connected to a fixing frame, and the inner walls on both sides of the fixing frame are rotatably connected to cleaning rollers, and the circumferential outer wall of the cleaning roller is in contact with the outer wall of one side of the filter screen.

[0015] As a further solution of the utility model: the adjustment component includes a first motor fixedly connected to the outer wall of one side of the box body, the output end of the first motor is fixedly connected to a second connecting plate, one end of the second connecting plate is fixedly connected to the circular ring frame, and the other end of the outer wall of one side of the second connecting plate is fixedly connected to a rotating shaft, and the rotating shaft is rotatably connected to the inner wall of one side of the box body.

[0016] After adopting the above structure, the utility model has the following advantages compared with the prior art:

[0017] 1. In the utility model, when the external wind conditions are good, the third motor can be turned off, and natural ventilation can be performed through the air inlet pipe. The first motor can be started before the device performs natural ventilation. The first motor can drive the circular ring frame to rotate 90°, so that the circular ring frame and the fan blades in a vertical state can be rotated to a horizontal state, thereby reducing the resistance of the fan blades and other structures to the airflow during natural ventilation, ensuring the effect of natural ventilation and meeting people's energy-saving needs.

[0018] 2. In the utility model, the filter screen can be used to prevent excessive dust from entering the building during ventilation. At the same time, the staff can start the second motor regularly, and the second motor can drive the threaded screw to rotate. During the rotation of the threaded screw, the threaded sleeve engaged on its outer wall can drive the cross plate and the fixed frame to move up and down. At the same time, the circumferential outer wall of the cleaning roller contacts the outer wall of one side of the filter screen. Therefore, during the up and down movement of the fixed frame, the cleaning roller can be driven to move up and down, thereby cleaning the surface of the filter screen, ensuring the cleanliness of the filter screen and avoiding the situation where the filter screen is blocked and affects the wind speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall side structure of the utility model.

[0020] Figure 2 This is a schematic diagram of the air inlet pipe structure of the utility model.

[0021] Figure 3 It is a schematic diagram of the internal structure of the box body of the utility model.

[0022] Figure 4 It is a schematic diagram of the split structure of the first connecting plate of the utility model.

[0023] Figure 5 For this utility model Figure 4 Schematic diagram of the enlarged structure at point A in the middle.

[0024] In the figure: 1. box body; 2. air inlet pipe; 3. shell; 4. through groove; 5. filter screen; 6. first motor; 7. first connecting plate; 8. second motor; 9. air outlet pipe; 10. circular ring frame; 11. third motor; 12. fixing ring; 13. rotating shaft; 14. second connecting plate; 15. fan blade; 16. bushing; 17. fixing frame; 18. cleaning roller; 19. mounting frame; 20. connecting rod; 21. horizontal plate; 22. threaded sleeve; 23. limit plate; 24. threaded screw; 25. guide rod; 26. guide cylinder. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1 to Figure 5In the embodiment of the utility model, a building energy-saving ventilation device includes a box body 1, and the two ends of the box body 1 are respectively fixedly connected with an air inlet pipe 2 and an air outlet pipe 9, and the air inlet pipe 2 and the air outlet pipe 9 are both connected to the box body 1;

[0027] A circular frame 10 is provided inside the box body 1, a fixing ring 12 is fixedly connected to the circumferential inner wall of the circular frame 10, a third motor 11 is fixedly connected to the circumferential inner wall of the fixing ring 12, a shaft sleeve 16 is fixedly connected to the output end of the third motor 11, and a fan blade 15 is fixedly connected to the circumferential outer wall of the shaft sleeve 16. By starting the third motor 11, the fan blade 15 can be driven to rotate, thereby realizing ventilation inside and outside the building;

[0028] An adjusting assembly for leveling the fan blades 15 is disposed inside the housing 1 , thereby reducing the resistance of the fan blades 15 to the airflow.

[0029] Preferably, an installation frame 19 is fixedly connected to the inside of the box body 1, a slot is opened on one side of the installation frame 19, a filter screen 5 is inserted into the slot, a first connecting plate 7 is fixedly connected to one side of the filter screen 5, and the first connecting plate 7 is fixedly connected to one side of the outer wall of the box body 1, so that the staff can disassemble and clean the filter screen 5 regularly.

[0030] Preferably, one side outer wall of the mounting frame 19 is fixedly connected to the shell 3, the bottom outer wall of the shell 3 is fixedly connected to the second motor 8, the output end of the second motor 8 is fixedly connected to the threaded screw 24, the circumferential outer wall of the threaded screw 24 is meshed with a threaded sleeve 22, one side outer wall of the threaded sleeve 22 is fixedly connected to the limiting plate 23, one side outer wall of the shell 3 is provided with a through groove 4, one end of the limiting plate 23 passes through the inside of the through groove 4, both side inner walls of the other shell 3 are fixedly connected to guide rods 25, the circumferential outer wall of the guide rod 25 is sleeved with a guide cylinder 26, the guide cylinder 26 is fixedly connected to the other limiting plate 23, one side outer wall of the limiting plate 23 is fixedly connected to a cross plate 21, one side outer wall of the cross plate 21 is fixedly connected to a connecting rod 20, the threaded screw 24 can be driven to rotate by the second motor 8, and during the rotation of the threaded screw 24, the threaded sleeve 22 meshed on its outer wall can drive the cross plate 21 and the fixed frame 17 to move up and down.

[0031] Preferably, one end of the connecting rod 20 away from the horizontal plate 21 is fixedly connected to a fixed frame 17, and the inner walls on both sides of the fixed frame 17 are rotatably connected to cleaning rollers 18. The circumferential outer wall of the cleaning roller 18 is in contact with the outer wall of one side of the filter screen 5. The surface of the filter screen 5 can be dusted by the cleaning roller 18, thereby ensuring the cleanliness of the surface of the filter screen 5 and preventing the filter screen 5 from being blocked, thereby preventing the ventilation effect from being reduced.

[0032] Preferably, the adjustment component includes a first motor 6 fixedly connected to the outer wall of one side of the box body 1, the output end of the first motor 6 is fixedly connected to the second connecting plate 14, one end of the second connecting plate 14 is fixedly connected to the circular frame 10, and the outer wall of one side of the other second connecting plate 14 is fixedly connected to the rotating shaft 13, and the rotating shaft 13 is rotatably connected to the inner wall of one side of the box body 1. By starting the first motor 6 to drive the second connecting plate 14 and the circular frame 10 to rotate, the circular frame 10 can be rotated from a vertical state to a horizontal state, thereby reducing the resistance of the circular frame 10, the fan blades 15 and the third motor 11 to the airflow during natural ventilation, so that during natural ventilation, there is no need for the third motor 11 to drive the fan blades 15 for auxiliary ventilation, thereby meeting people's energy-saving needs.

[0033] Working principle: before the device performs natural ventilation, the first motor 6 can be started, and the first motor 6 can drive the circular frame 10 to rotate 90°, so that the circular frame 10 and the fan blades 15 in a vertical state can be rotated to a horizontal state, thereby reducing the resistance of the fan blades 15 and other structures to the airflow during natural ventilation, ensuring the effect of natural ventilation and meeting people's energy-saving needs. During the ventilation process of the device, the filter screen 5 can ensure that too much dust does not enter the interior of the building during ventilation. At the same time, the staff can start the second motor 8 regularly, and the second motor 8 can drive the threaded screw 24 to rotate. During the rotation of the threaded screw 24, the threaded sleeve 22 engaged on its outer wall can drive the cross plate 21 and the fixed frame 17 to move up and down. At the same time, the circumferential outer wall of the cleaning roller 18 is in contact with the outer wall of one side of the filter screen 5. Therefore, during the up and down movement of the fixed frame 17, the cleaning roller 18 can be driven to move up and down, so that the surface of the filter screen 5 can be cleaned, ensuring the cleanliness of the filter screen 5 and avoiding the situation where the filter screen 5 is blocked and affects the wind speed.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. A building energy-saving ventilation device, comprising a box (1), characterized in that: An air inlet pipe (2) and an air outlet pipe (9) are respectively fixedly connected to the two ends of the box body (1), and the air inlet pipe (2) and the air outlet pipe (9) are both connected to the box body (1); A circular frame (10) is arranged inside the box body (1), a fixing ring (12) is fixedly connected to the circumferential inner wall of the circular frame (10), a third motor (11) is fixedly connected to the circumferential inner wall of the fixing ring (12), an output end of the third motor (11) is fixedly connected to a shaft sleeve (16), and a fan blade (15) is fixedly connected to the circumferential outer wall of the shaft sleeve (16); An adjustment component for leveling the fan blades (15) is provided inside the box (1).

2. A building energy-saving ventilation device according to claim 1, characterized in that: The box body (1) is fixedly connected to a mounting frame (19) on one side, a slot is provided on one side of the mounting frame (19), a filter screen (5) is inserted into the slot, a first connecting plate (7) is fixedly connected to one side of the filter screen (5), and the first connecting plate (7) is fixedly connected to an outer wall of one side of the box body (1).

3. A building energy-saving ventilation device according to claim 2, characterized in that: The outer wall of one side of the installation frame (19) is fixedly connected to a housing (3), the outer wall of the bottom of the housing (3) is fixedly connected to a second motor (8), the output end of the second motor (8) is fixedly connected to a threaded screw (24), the circumferential outer wall of the threaded screw (24) is meshed with a threaded sleeve (22), the outer wall of one side of the threaded sleeve (22) is fixedly connected to a limiting plate (23), the outer wall of one side of the housing (3) is provided with a through groove (4), and one end of the limiting plate (23) passes through the interior of the through groove (4).

4. A building energy-saving ventilation device according to claim 3, characterized in that: The inner walls on both sides of the other housing (3) are fixedly connected with guide rods (25), the circumferential outer wall of the guide rods (25) is sleeved with a guide cylinder (26), and the guide cylinder (26) is fixedly connected to the other limiting plate (23).

5. A building energy-saving ventilation device according to claim 4, characterized in that: One side outer wall of the limiting plate (23) is fixedly connected to a transverse plate (21), and one side outer wall of the transverse plate (21) is fixedly connected to a connecting rod (20).

6. A building energy-saving ventilation device according to claim 5, characterized in that: One end of the connecting rod (20) away from the transverse plate (21) is fixedly connected to a fixing frame (17), and the inner walls on both sides of the fixing frame (17) are rotatably connected to cleaning rollers (18), and the circumferential outer wall of the cleaning roller (18) is in contact with the outer wall of one side of the filter screen (5).

7. A building energy-saving ventilation device according to claim 6, characterized in that: The adjustment component comprises a first motor (6) fixedly connected to an outer wall of one side of the box body (1); an output end of the first motor (6) is fixedly connected to a second connecting plate (14); one end of the second connecting plate (14) is fixedly connected to the circular ring frame (10); another end of the outer wall of one side of the second connecting plate (14) is fixedly connected to a rotating shaft (13); and the rotating shaft (13) is rotatably connected to an inner wall of one side of the box body (1).

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