Device for detecting performance of air source heat pump

Abstract

The utility model relates to the technical field of air source heat pumps, and discloses a device for detecting the performance of an air source heat pump, which comprises a test sample placing box, a rotary sealing door, a display screen and a sliding rod, one side of the test sample placing box is rotatably connected with the rotary sealing door, one side of a mounting plate is in threaded connection with a fixed handle, and the display screen is connected with the sliding rod. A bearing seat I is fixedly mounted at the upper end of the test sample placement box, a rotating platform is rotationally connected to the end part of the bearing seat I, and a reciprocating screw rod for driving the humidity probe to move is arranged at the upper end of the rotating platform; according to the air source heat pump performance detection device, a sample in the test sample placing box is heated, the thermal performance of the air source heat pump is judged according to the air humidity, and during testing, the humidity probe does reciprocating motion and circular motion at the same time, so that the humidity probe can move in the moving process, and the thermal performance of the air source heat pump is judged. The humidity of each point in the test sample placing box is measured in real time, so that the measurement efficiency is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of air source heat pump technology, and in particular to a device for testing the performance of air source heat pumps. Background Technology

[0002] An air source heat pump is a highly efficient and energy-saving device that absorbs low-grade heat energy from the air and converts it into high-grade heat energy through a compressor. It is widely used in heating, cooling, and hot water supply.

[0003] During the production process, the thermal performance of air source heat pumps needs to be tested. This is done by drying a sample with a certain level of humidity and then judging whether the thermal performance of the air source heat pump is qualified based on the humidity level. The existing method for judging humidity is to measure at multiple points using a humidity probe, remove the measurement values ​​with large differences, and then take the average of the measured data to judge the thermal performance of the air source heat pump. However, this method requires measurement at multiple points, which wastes a lot of time in the measurement process, resulting in low overall performance testing efficiency. Summary of the Invention

[0004] To overcome the problem that existing thermal performance testing methods require measurements at multiple points, resulting in a long measurement process and low overall performance testing efficiency.

[0005] The technical solution of this utility model is as follows: a testing device for the performance of an air source heat pump, including a test sample placement box and a rotating door, as well as a display screen and a sliding rod. The rotating door is rotatably connected to one side of the test sample placement box, and the display screen is fixedly installed on one side of the rotating door. A sliding rod is provided inside the test sample placement box, and a mounting plate is slidably connected to the surface of the sliding rod. A signal transmitter is fixedly installed on the surface of the mounting plate. A humidity probe for detecting air humidity is fixedly installed on one side of the mounting plate, and a fixed handle is threadedly connected to one side of the mounting plate. A bearing seat is fixedly installed at the upper end of the test sample placement box, and a rotating platform is rotatably connected to the end of the bearing seat. A reciprocating screw for driving the humidity probe to move is provided at the upper end of the rotating platform.

[0006] Preferably, a toothed ring is fixedly connected to the surface of the rotating platform, a motor is fixedly installed on the upper side of one side of the test sample placement box, a drive gear is fixedly connected to the output end of the motor, a connecting shaft is fixedly connected to the upper end of the drive gear, and a transmission wheel is fixedly connected to the upper end of the connecting shaft. The drive gear is used to drive the rotating platform to rotate.

[0007] Preferably, a support frame is fixedly connected to the upper end of the rotating platform, and a connecting shaft two is rotatably connected to the end of the support frame. A transmission wheel two is fixedly connected to the upper end of the connecting shaft two, and the transmission wheel two is connected to the transmission wheel one by a belt.

[0008] Preferably, a bearing seat 2 is fixedly installed at the upper end of the test sample placement box, and a reciprocating screw is rotatably disposed between the two bearing seats 2. A bevel gear 2 is fixedly connected to one end of the reciprocating screw, and a bevel gear 1 is fixedly connected to the lower end of the connecting shaft 2. The bevel gear 2 and the bevel gear 1 are meshed and connected. A guide rod is fixedly installed at the upper end of the test sample placement box, and the guide rod is slidably connected to the moving platform of the reciprocating screw. A slide rod is fixedly installed at the lower end of the moving platform of the reciprocating screw.

[0009] Preferably, the upper end of the rotating platform is provided with an opening, the slide rod moves at the upper end opening of the rotating platform, and the inner wall of the upper end opening of the rotating platform is provided with a sealing gasket, which contacts the surface of the slide rod.

[0010] Preferably, a wind guide hood is fixedly installed on one side of the test sample placement box. The wind guide hood is used to guide the hot air from the air source heat pump into the box. Multiple sets of heat-conducting plates are fixedly connected inside the wind guide hood. Ventilation pipes are installed through the surface of the heat-conducting plates, and the ends of the heat-conducting plates pass through the test sample placement box.

[0011] Preferably, one side of the test sample placement box is provided with an exhaust pipe for discharging hot air, and a cooling water tank is fixedly installed on one side of the test sample placement box. The cooling water tank is provided with multiple sets of heat conduction pipes, the ends of which pass through the exhaust pipe, and an induced draft fan is fixedly installed at one end of the exhaust pipe.

[0012] The beneficial effects of this utility model are:

[0013] 1. The air source heat pump performance testing device heats the sample in the test sample placement box and judges the thermal performance of the air source heat pump based on the air humidity. During the test, the humidity probe performs reciprocating motion and circular motion at the same time. In this way, the humidity probe can measure the humidity at various points in the test sample placement box in real time during the movement, which greatly improves the measurement efficiency.

[0014] 2. After the measurement is completed, the exhaust fan will expel the moisture and heat from the test sample box through the exhaust pipe to prevent residual heat and moisture from affecting the next test. The heat from the expelled air will be cooled by the cooling water tank to prevent the hot air from affecting the surrounding ambient temperature after it is discharged. Attached Figure Description

[0015] Figure 1 The diagram shown is a schematic representation of one embodiment of the air source heat pump performance testing device of this utility model.

[0016] Figure 2 The diagram shown is a three-dimensional structural schematic of the motor of this utility model;

[0017] Figure 3 The diagram shown is a three-dimensional structural schematic of the heat pipe of this utility model.

[0018] Figure 4 The diagram shown is a three-dimensional structural schematic of the ventilation pipe of this utility model;

[0019] Figure 5 The diagram shown is a three-dimensional structural schematic of the heat-conducting sheet of this utility model;

[0020] Figure 6 The diagram shown is a three-dimensional structural schematic of the support frame of this utility model;

[0021] Figure 7 The diagram shown is a three-dimensional structural schematic of the humidity probe of this utility model.

[0022] Explanation of reference numerals in the attached diagram: 1. Test sample placement box; 2. Rotating sealing door; 3. Display screen; 4. Slide rod; 5. Mounting plate; 6. Signal transmitter; 7. Humidity probe; 8. Fixed handle; 9. Bearing seat one; 10. Rotating platform; 11. Gear ring; 12. Motor; 13. Connecting shaft one; 14. Transmission wheel one; 15. Transmission wheel two; 16. Support frame; 17. Connecting shaft two; 18. Bevel gear one; 19. Bearing seat two; 20. Reciprocating lead screw; 21. Bevel gear two; 22. Guide rod; 23. Air guide shroud; 24. Heat-conducting plate; 25. Ventilation pipe; 26. Cooling water tank; 27. Exhaust pipe; 28. Heat-conducting pipe; 29. ​​Exhaust fan; 30. Drive gear. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] Please see Figure 1 - Figure 7 This utility model provides an embodiment of an air source heat pump performance testing device, comprising a test sample placement box 1 and a rotating sealing door 2, as well as a display screen 3 and a sliding rod 4. The rotating sealing door 2 is rotatably connected to one side of the test sample placement box 1, and the display screen 3 is fixedly installed on one side of the rotating sealing door 2. The sliding rod 4 is located inside the test sample placement box 1, and a mounting plate 5 is slidably connected to the surface of the sliding rod 4. A signal transmitter 6 is fixedly installed on the surface of the mounting plate 5. A humidity probe 7 for detecting air humidity is fixedly installed on one side of the mounting plate 5, and a fixed handle 8 is threadedly connected to one side of the mounting plate 5. A bearing seat 9 is fixedly installed at the upper end of the test sample placement box 1, and a rotating platform 10 is rotatably connected to the end of the bearing seat 9. A reciprocating screw 20 for moving the humidity probe 7 is located at the upper end of the rotating platform 10. During testing, the humidity probe 7 performs both reciprocating and circular motion, allowing it to measure the humidity at various points within the test sample placement box 1 in real time, greatly improving measurement efficiency.

[0025] Please see Figure 5 and Figure 6 In this embodiment, a gear ring 11 is fixedly connected to the surface of the rotating platform 10. A motor 12 is fixedly installed on the upper side of one side of the test sample placement box 1. A drive gear 30 is fixedly connected to the output end of the motor 12. A connecting shaft 13 is fixedly connected to the upper end of the drive gear 30. A transmission wheel 14 is fixedly connected to the upper end of the connecting shaft 13. The drive gear 30 is used to drive the rotating platform 10 to rotate. A support frame 16 is fixedly connected to the upper end of the rotating platform 10. A connecting shaft 17 is rotatably connected to the end of the support frame 16. A transmission wheel 15 is fixedly connected to the upper end of the connecting shaft 17. The transmission wheel 15 and the transmission wheel 14 are connected by a belt. A bearing seat 29 is fixedly installed on the upper end of the placement box 1. A reciprocating screw 20 is rotatably positioned between the two bearing seats 29. A bevel gear 21 is fixedly connected to one end of the reciprocating screw 20. A bevel gear 18 is fixedly connected to the lower end of the connecting shaft 27. The bevel gear 21 meshes with the bevel gear 18. A guide rod 22 is fixedly installed on the upper end of the test sample placement box 1. The guide rod 22 is slidably connected to the moving platform of the reciprocating screw 20. A slide rod 4 is fixedly installed at the lower end of the moving platform of the reciprocating screw 20. The upper end of the rotating platform 10 has an opening. The slide rod 4 moves at the upper opening of the rotating platform 10. The inner wall of the upper opening of the rotating platform 10 is sealed with a tight seal. The sealing gasket contacts the surface of the slide bar 4. During use, the air outlet of the air source heat pump is first inserted into the air guide shroud 23. Hot air passes through the ventilation pipe 25, heating the sample in the test sample placement box 1. The thermal performance of the air source heat pump is judged based on the air humidity. During testing, the motor 12 is started, and the reciprocating screw 20 rotates between the two bearing seats 19. The humidity probe 7, located at the lower end of the moving platform of the reciprocating screw 20, reciprocates. When the drive gear 30 rotates, the rotating platform 10 simultaneously rotates at the bearing seat 9. In conjunction with the reciprocating screw 20, the humidity probe 7 performs a circular motion while reciprocating. The humidity probe 7 can measure the humidity at various points in the test sample placement box 1 in real time during the movement. The measured data is transmitted to the display screen 3 through the signal transmitter 6. The tester can then record and analyze the real-time measured data. When the height of the humidity probe 7 needs to be adjusted, the position of the mounting plate 5 on the slide bar 4 is moved, and then the fixing handle 8 is tightened to fix the position of the humidity probe 7. When the slide bar 4 moves at the opening on the surface of the rotating platform 10, the sealing gasket at the opening on the surface of the rotating platform 10 is used to ensure that the moisture in the test sample placement box 1 will not be discharged from the opening of the rotating platform 10, thereby affecting the accuracy of the humidity measurement.

[0026] Please see Figure 3 and Figure 4In this embodiment, a wind guide hood 23 is fixedly installed on one side of the test sample placement box 1. The wind guide hood 23 is used to guide the hot air from the air source heat pump into the box. Multiple sets of heat-conducting plates 24 are fixedly connected inside the wind guide hood 23. Ventilation pipes 25 are provided through the surface of the heat-conducting plates 24. The ends of the heat-conducting plates 24 pass through the test sample placement box 1. An exhaust pipe 27 for discharging hot air is provided on one side of the test sample placement box 1. A cooling water tank 26 is fixedly installed on one side of the test sample placement box 1. Multiple sets of heat-conducting pipes 28 are provided inside the cooling water tank 26. The ends of the heat-conducting pipes 28 pass through the exhaust pipe 27. An exhaust fan 29 is fixedly installed at one end of the exhaust pipe 27. After the measurement is completed, the exhaust fan 29 is turned on. The exhaust fan 29 discharges the moisture and hot air in the test sample placement box 1 from the exhaust pipe 27 to prevent residual hot air and moisture from affecting the next test. The heat of the discharged hot air is transferred to the cooling water tank 26 through the heat-conducting pipes 28, thereby reducing the temperature of the hot air and preventing the hot air from affecting the surrounding ambient temperature after it is discharged.

[0027] In use, the air outlet of the air source heat pump is first inserted into the air guide shroud 23. The air guide shroud 23 is equipped with multiple sets of heat-conducting plates 24. Multiple sets of ventilation pipes 25 are installed through the surface of the heat-conducting plates 24. When hot air passes through the ventilation pipes 25, it will heat the heat-conducting plates 24. The heat-conducting plates 24 transfer heat to the interior, thereby heating the sample in the test sample placement box 1. The thermal performance of the air source heat pump is judged based on the air humidity in the test sample placement box 1.

[0028] During testing, motor 12 is started, which drives drive gear 30 to rotate. Connecting shaft 13, which is fixedly connected to the upper end of drive gear 30, rotates simultaneously. Transmission wheel 14, which is fixedly connected to the upper end of connecting shaft 13, drives transmission wheel 15 to rotate simultaneously. Transmission wheel 15 is fixedly connected to the upper end of connecting shaft 17. Connecting shaft 17 rotates at support frame 16. Bevel gear 18 is fixedly connected to the lower end of connecting shaft 17. Bevel gear 21, which meshes with bevel gear 18, rotates simultaneously. Bevel gear 21 is fixedly connected to one end of reciprocating screw 20. Reciprocating screw 20 rotates between two bearing seats 19. Humidity probe 7, which is set at the lower end of the moving platform of reciprocating screw 20, thus reciprocates back and forth.

[0029] When the drive gear 30 rotates, the gear ring 11 meshing with the drive gear 30 rotates simultaneously. The gear ring 11 is fixedly connected to the rotating platform 10, and the rotating platform 10 rotates at the bearing seat 9. With the cooperation of the reciprocating screw 20, the humidity probe 7 performs reciprocating motion and circular motion at the same time. In this way, the humidity probe 7 can measure the humidity at various points in the test sample placement box 1 in real time during the movement. The measured data is transmitted to the display screen 3 through the signal transmitter 6. The tester can then record and analyze the real-time measured data. When it is necessary to adjust the height of the humidity probe 7, move the mounting plate 5 on the slide bar 4, and then tighten the fixing handle 8 to fix the position of the humidity probe 7.

[0030] When the slide bar 4 moves at the opening on the surface of the rotating platform 10, the sealing gasket at the opening on the surface of the rotating platform 10 is used to ensure that the moisture in the test sample placement box 1 does not escape from the opening of the rotating platform 10, thereby affecting the accuracy of the humidity measurement.

[0031] After the measurement is completed, the exhaust fan 29 is turned on. The exhaust fan 29 discharges the moisture and heat in the test sample placement box 1 from the exhaust pipe 27 to prevent the residual heat and moisture from affecting the next test. The heat of the discharged heat is transferred to the cooling water tank 26 through the heat conduction pipe 28, thereby reducing the temperature of the hot air and preventing the hot air from affecting the surrounding ambient temperature after it is discharged.

[0032] Through the above steps, the air source heat pump performance testing device heats the sample in the test sample placement box 1 and judges the thermal performance of the air source heat pump based on the air humidity. During the test, the humidity probe 7 performs reciprocating motion and circular motion at the same time. In this way, the humidity probe 7 can measure the humidity at each point in the test sample placement box 1 in real time during the movement, which greatly improves the measurement efficiency.

Claims

1. A device for testing the performance of an air source heat pump, comprising a test sample placement box (1) and a rotating sealing door (2); characterized in that: It also includes a display screen (3) and a slide bar (4). A rotating door (2) is rotatably connected to one side of the test sample placement box (1). A display screen (3) is fixedly installed on one side of the rotating door (2). A slide bar (4) is provided inside the test sample placement box (1). A mounting plate (5) is slidably connected to the surface of the slide bar (4). A signal transmitter (6) is fixedly installed on the surface of the mounting plate (5). A humidity probe (7) for detecting air humidity is fixedly installed on one side of the mounting plate (5). A fixed handle (8) is threadedly connected to one side of the mounting plate (5). A bearing seat (9) is fixedly installed at the upper end of the test sample placement box (1). A rotating platform (10) is rotatably connected to the end of the bearing seat (9). A reciprocating screw (20) for driving the humidity probe (7) to move is provided at the upper end of the rotating platform (10).

2. The testing device for the performance of an air source heat pump according to claim 1, characterized in that: A gear ring (11) is fixedly connected to the surface of the rotating platform (10). A motor (12) is fixedly installed on the upper side of the test sample placement box (1). A drive gear (30) is fixedly connected to the output end of the motor (12). A connecting shaft (13) is fixedly connected to the upper end of the drive gear (30). A transmission wheel (14) is fixedly connected to the upper end of the connecting shaft (13). The drive gear (30) is used to drive the rotating platform (10) to rotate.

3. The device for testing the performance of an air source heat pump according to claim 2, characterized in that: A support frame (16) is fixedly connected to the upper end of the rotating platform (10). A connecting shaft (17) is rotatably connected to the end of the support frame (16). A transmission wheel (15) is fixedly connected to the upper end of the connecting shaft (17). The transmission wheel (15) and the transmission wheel (14) are connected by a belt.

4. The testing device for the performance of an air source heat pump according to claim 3, characterized in that: The upper end of the test sample placement box (1) is fixedly installed with bearing seat 2 (19), and the reciprocating screw (20) is rotatably set between the two bearing seats 2 (19). One end of the reciprocating screw (20) is fixedly connected with bevel gear 2 (21), and the lower end of the connecting shaft 2 (17) is fixedly connected with bevel gear 1 (18). Bevel gear 2 (21) and bevel gear 1 (18) are meshed and connected. The upper end of the test sample placement box (1) is fixedly installed with guide rod (22), and guide rod (22) is slidably connected with the moving platform of the reciprocating screw (20). Slide rod (4) is fixedly installed at the lower end of the moving platform of the reciprocating screw (20).

5. The testing device for the performance of an air source heat pump according to claim 4, characterized in that: The upper end of the rotating platform (10) is provided with an opening, and the slide rod (4) moves at the upper opening of the rotating platform (10). The inner wall of the upper opening of the rotating platform (10) is provided with a sealing gasket, and the sealing gasket is in contact with the surface of the slide rod (4).

6. The device for testing the performance of an air source heat pump according to claim 5, characterized in that: A guide hood (23) is fixedly installed on one side of the test sample placement box (1). The guide hood (23) is used to guide the hot air from the air source heat pump into the box. Multiple sets of heat-conducting plates (24) are fixedly connected inside the guide hood (23). A ventilation pipe (25) is provided through the surface of the heat-conducting plate (24). The end of the heat-conducting plate (24) passes through the test sample placement box (1).

7. The device for testing the performance of an air source heat pump according to claim 6, characterized in that: The test sample placement box (1) is provided with an exhaust pipe (27) for discharging hot air on one side. A cooling water tank (26) is fixedly installed on one side of the test sample placement box (1). Multiple sets of heat conduction pipes (28) are provided in the cooling water tank (26). The ends of the heat conduction pipes (28) pass through the exhaust pipe (27). A blower (29) is fixedly installed at one end of the exhaust pipe (27).

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