Mobile water chilling unit and thermal aging test box mixing device
Through the mixing device of the mobile chiller and the thermal aging test chamber, the water tank and heat regulation system are used to replace the water supply system, the equipment downtime caused by high costs of large-scale test equipment and impurities is solved, and the flexibility of small batch short-term EMC testing is achieved. and high efficiency.
Patent Information
- Application Number
- CN202420368750.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-28
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-02-28
AI Technical Summary
Large test rooms such as enthalpy difference chambers required for EMC testing of existing chillers are costly and have a long test schedule. The frequent impurities in the water supply system cause equipment to go down, which cannot meet the small batch and short-term testing needs of small laboratories.
A mobile chiller and thermal aging test chamber mixing device is designed to replace the water supply system through a water tank and a heat regulation system, and the water outlet temperature and water supply flow are adjusted by using the PLC control panel, and high and low temperature tests are carried out in the thermal aging test chamber. Simplified testing equipment and processes.
Small batch short-term EMC test is realized, complex installation and maintenance work is reduced, flexible water supply methods are provided, experimental efficiency and resource utilization are improved, and thermal aging tests of small samples are suitable.
Smart Images

Figure CN222232577U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of chiller testing equipment, in particular to a mobile chiller and thermal aging test box mixing device. Background Art
[0002] Electromagnetic compatibility testing (EMC) is a test method used to evaluate the performance and interoperability of equipment in an electromagnetic environment. In chillers and air conditioners, EMC testing is an essential step to ensure the normal operation of the equipment under various electromagnetic interference conditions and electromagnetic compatibility with other equipment.
[0003] The cost of testing in existing large test rooms such as enthalpy difference chambers is high, and the testing time is relatively long. Due to excessive impurities in the water supply system, the equipment often shuts down, so frequent maintenance and cleaning are required, which cannot meet the needs of small laboratories for small batch and short-term testing. Utility Model Content
[0004] The purpose of the utility model is to solve the above problems and provide a mobile chiller and heat aging test box mixing device.
[0005] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions, including:
[0006] A box body, one side of which is provided with a test bench, and the test bench is used to place the chiller;
[0007] A water tank and a heat aging test chamber are arranged inside the box body. The water tank transfers heat to the heat aging test chamber through a heat regulation system. The water tank supplies water to the chiller through a pipeline. The heat aging test chamber performs high and low temperature tests on samples.
[0008] As a further description of the above technical solution, an exhaust valve is provided on one side of the outside of the box body, and the exhaust valve is used for heat dissipation. A PLC control panel is provided on the other side of the outside of the box body, and the PLC control panel is used to control the water outlet temperature of the water tank, adjust the water supply flow of the water pump and set the test parameters of the thermal aging test chamber.
[0009] As a further description of the above technical solution, a first electric heater is arranged inside the water tank, and the water tank adjusts the outlet water temperature through the first electric heater.
[0010] As a further description of the above technical solution, the water tank is connected to a plate heat exchanger through a pipeline, and the plate heat exchanger is used to cool the water tank.
[0011] As a further description of the above technical solution, the pipeline is provided with a water pump, and the water pump includes a first water pump and a second water pump.
[0012] As a further description of the above technical solution, a first water pump is arranged between the water tank and the chiller, a second water pump is arranged in the pipeline between the water tank and the plate heat exchanger, and the first water pump and the second water pump are used to adjust the water supply flow.
[0013] As a further description of the above technical solution, the heat regulation system includes a plate heat exchanger, a compressor, a first condenser, a throttle valve and a second condenser.
[0014] As a further description of the above technical solution, the plate heat exchanger is connected to a compressor, the compressor is connected to a first condenser, the first condenser is connected to a second condenser, the second condenser is connected to a throttle valve, and the throttle valve is connected to the plate heat exchanger.
[0015] As a further description of the above technical solution, the second condenser is arranged inside the heat aging test chamber, and the second condenser is used to cool the heat aging test chamber.
[0016] As a further description of the above technical solution, the thermal aging test chamber is also provided with an air inlet valve and an air outlet valve, and the air inlet valve and the air outlet valve are used to adjust the temperature of the thermal aging test chamber.
[0017] The beneficial effects of the utility model are as follows:
[0018] 1. The utility model temporarily replaces the water system with a water tank to meet the water supply needs of the test unit; the heat in the water tank is transferred to the thermal aging test chamber through the heat regulation system, and the PLC control panel is used to control the water outlet temperature in the water tank, adjust the flow rate of the water pump and control the parameters in the thermal aging test chamber. The device effectively solves the problems faced by small-batch and short-term EMC tests in the laboratory, avoids complex installation and maintenance work, and provides a more flexible water supply method. This system can be used to perform thermal aging tests on some small samples, further improving experimental efficiency and resource utilization.
[0019] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a structural schematic diagram of the utility model.
[0021] Reference numerals:
[0022] 1. Box body; 2. Exhaust valve; 4. Water tank; 5. Thermal aging test box; 6. PLC control panel; 7. First electric heater; 8. Plate heat exchanger; 9. First water pump; 10. Second water pump; 11. Compressor; 12. First condenser; 13. Throttle valve; 14. Second condenser; 15. Air inlet valve; 16. Air outlet valve. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.
[0024] like Figure 1 As shown, in one embodiment, a mobile chiller and heat aging test chamber hybrid device comprises: a box body 1, a test bench is arranged on one side of the box body 1, and is used to place the chiller. A water tank 4 and a heat aging test chamber 5 are arranged inside the box body 1, the water tank 4 transfers heat to the heat aging test chamber 5 through a heat regulating system, the water tank 4 supplies water to the chiller 3 through a pipeline, and the heat aging test chamber 5 performs a heat aging test on the sample.
[0025] Furthermore, an exhaust valve 2 is provided on one side of the outside of the box 1 for exhausting and dissipating heat inside the entire box 1; a PLC control panel 6 is provided on the other side of the outside of the box 1. The PLC control panel 6 can accurately control the water outlet temperature of the water tank 4 to ensure that the water temperature meets the experimental requirements and can be adjusted according to demand. Secondly, the PLC control panel 6 can also adjust the water supply flow of the water pump to meet the requirements of different water flow speeds, and ensure the stability of the water flow to avoid affecting the experimental results due to uneven water flow. In addition, the PLC control panel 6 can also set the test parameters of the thermal aging test box 5, including temperature, humidity and time, to ensure the accuracy and repeatability of the experimental results. Through the PLC control panel 6, the experimenter can easily monitor and control the experiment, which improves the efficiency and reliability of the experiment.
[0026] like Figure 1 As shown, in this embodiment, a first electric heater 7 is disposed inside the water tank 4. The water tank 4 adjusts the outlet water temperature through the first electric heater 7 and transports the water to the test unit through a pipeline.
[0027] Furthermore, the pipeline is provided with a water pump, and the water pump includes a first water pump 9 and a second water pump 10. A first water pump 9 is provided between the water tank 4 and the chiller 3, and a second water pump 10 is provided in the pipeline between the water tank 4 and the plate heat exchanger 8. The first water pump 9 and the second water pump 10 are used to adjust the water supply flow.
[0028] like Figure 1As shown, in this embodiment, the heat regulation system includes a plate heat exchanger 8, a compressor 11, a first condenser 12, a throttle valve 13 and a second condenser 14, which are connected together by pipes to form a closed-loop heat circulation system. The water tank 4 is connected to the plate heat exchanger 8 through a pipe, which is used to transfer the heat in the water tank 4 to the circulating medium to achieve cooling of the water tank 4. The plate heat exchanger 8 is connected to the compressor 11, which is used to compress the low-temperature and low-pressure gas circulating medium into a high-temperature and high-pressure gas to achieve heat transfer. The first condenser 12 is connected behind the compressor 11, and its function is to cool the high-temperature and high-pressure gas generated by the compressor 11 into a high-temperature and high-pressure liquid, and to discharge the heat from the circulating medium by heat dissipation, so as to reduce the temperature of the circulating medium. The second condenser 14 is connected behind the first condenser 12, and the function of the second condenser 14 is to evaporate the cooled liquid circulating medium into a low-temperature and low-pressure gas. During the evaporation process, the second condenser 14 absorbs heat from the surrounding environment to achieve cooling of the circulating medium. The second condenser 14 is connected to a throttle valve 13, which is used to control the flow rate and pressure of the circulating medium. By adjusting the opening degree of the throttle valve 13, the pressure and flow of the circulating medium in the system can be controlled, thereby affecting the working state of the system. The throttle valve 13 is connected to the plate heat exchanger 8, and the heat regulation system can achieve precise control of the temperature of the water tank 4 to provide the required cooling effect.
[0029] Furthermore, a second condenser 14 is disposed inside the thermal aging test box 5 , and the second condenser 14 is used to cool the thermal aging test box 5 ; the thermal aging test box 5 is also provided with an air inlet valve 15 and an air outlet valve 16 , which are used to adjust the temperature of the thermal aging test box 5 .
[0030] Working principle: first connect the chiller to the test bench, then control the electric heater through the PLC control panel 6 to heat the water tank 4, and perform the EMC test of the chiller after adjusting the outlet water temperature; place small non-metallic material samples inside the thermal aging test chamber 5, and perform thermal aging tests through the PLC control panel 6 and the heat regulation system, thereby maximizing resource utilization and reducing the reservation of other equipment, thereby achieving the purpose of cost saving.
[0031] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A mobile chiller and thermal aging test chamber hybrid device, characterized in that: include: A box body (1), wherein a test bench is provided on one side of the box body (1), and the test bench is used to place a chiller; A water tank (4) and a heat aging test chamber (5) are arranged inside the box body (1); the water tank (4) transfers heat to the heat aging test chamber (5) through a heat regulation system; the water tank (4) supplies water to the chiller through a pipeline; and the heat aging test chamber (5) performs high and low temperature tests on samples.
2. A mobile chiller and heat aging test chamber hybrid device according to claim 1, characterized in that: An exhaust valve (2) is provided on one side of the exterior of the box (1), and the exhaust valve (2) is used for heat dissipation. A PLC control panel (6) is provided on the other side of the exterior of the box (1), and the PLC control panel (6) is used for controlling the water outlet temperature of the water tank (4), adjusting the water supply flow of the water pump, and setting the test parameters of the thermal aging test chamber (5).
3. The mobile chiller and heat aging test chamber hybrid device according to claim 1, characterized in that: A first electric heater (7) is arranged inside the water tank (4), and the water tank (4) adjusts the outlet water temperature through the first electric heater (7).
4. The mobile chiller and heat aging test chamber hybrid device according to claim 1, characterized in that: The water tank (4) is connected to a plate heat exchanger (8) via a pipeline, and the plate heat exchanger (8) is used to cool the water tank (4).
5. The mobile chiller and heat aging test chamber hybrid device according to claim 1, characterized in that: The pipeline is provided with a water pump, and the water pump comprises a first water pump (9) and a second water pump (10).
6. The mobile chiller and heat aging test chamber hybrid device according to claim 5, characterized in that: A first water pump (9) is provided between the water tank (4) and the chiller, and a second water pump (10) is provided in the pipeline between the water tank (4) and the plate heat exchanger (8). The first water pump (9) and the second water pump (10) are used to adjust the water supply flow rate.
7. The mobile chiller and heat aging test chamber hybrid device according to claim 1, characterized in that: The heat regulation system comprises a plate heat exchanger (8), a compressor (11), a first condenser (12), a throttle valve (13) and a second condenser (14).
8. The mobile chiller and heat aging test chamber hybrid device according to claim 7, characterized in that: The plate heat exchanger (8) is connected to a compressor (11), the compressor (11) is connected to a first condenser (12), the first condenser (12) is connected to a second condenser (14), the second condenser (14) is connected to a throttle valve (13), and the throttle valve (13) is connected to the plate heat exchanger (8).
9. The mobile chiller and heat aging test chamber hybrid device according to claim 7, characterized in that: The second condenser (14) is arranged inside the thermal aging test box (5), and the second condenser (14) is used to cool the thermal aging test box (5).
10. The mobile chiller and heat aging test chamber hybrid device according to claim 1, characterized in that: The thermal aging test box (5) is also provided with an air inlet valve (15) and an air outlet valve (16), and the air inlet valve (15) and the air outlet valve (16) are used to adjust the temperature of the thermal aging test box (5).
