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CN-224216313-U - Simulator for automobile air conditioning system

CN224216313UCN 224216313 UCN224216313 UCN 224216313UCN-224216313-U

Abstract

The utility model relates to the technical field of automobile engineering and discloses an automobile air conditioning system simulator which mainly comprises a pressure detection device, a refrigerant treatment device, a filtering device, a switch valve and an oil bottle component. The pressure detection device dynamically monitors the system pressure, and the refrigerant treatment device simulates real working conditions according to the refrigeration cycle principle, so that the refrigerant treated by the filling and recycling machine is subjected to a complete cycle flow. The filter device maintains the purity of the refrigerant, and ensures that the test environment is close to reality. The switch valve controls the flow and the flow direction of the refrigerant, the oil bottle ensures the stable operation of the compressor, and the two cooperate to provide a stable basis for performance test. The utility model can comprehensively test the performance indexes such as the recovery efficiency, the filling precision and the like of the refrigerant filling and recovering machine, reduce the test cost of the refrigerant filling and recovering machine and reduce the cost of manpower, material resources and time.

Inventors

  • ZHANG WEI
  • JIANG HONGYUN

Assignees

  • 湖北省泰路科技有限公司

Dates

Publication Date
20260508
Application Date
20250509

Claims (9)

  1. 1. The automobile air conditioning system simulator is characterized by comprising a frame (4), a refrigeration cycle mechanism (1) arranged in the frame (4) and a pressure detection device (6) arranged in the frame (4), wherein the refrigeration cycle mechanism (1) comprises a condenser (112) for converting a gaseous refrigerant into a liquid state and an evaporator (113) for evaporating the liquid refrigerant to absorb heat and refrigerate, the pressure detection device (6) comprises a high-pressure detection meter (63) and a low-pressure detection meter (64) arranged on the frame (4), a low-pressure connector (62), a high-pressure connector (63) and a switch valve (2) are arranged at the top of the frame (4), the high-pressure connector (61) is connected to a high-pressure pipeline, the low-pressure connector (62) is connected to the low-pressure pipeline, and a compressor (111) for supplying power for refrigerant circulation, a dry filter (12) for filtering impurities and moisture and an expansion valve (114) for throttling and reducing the pressure of the high-pressure liquid refrigerant are arranged in the frame (4).
  2. 2. A simulator of an air conditioning system for a vehicle according to claim 1, wherein an oil bottle (3) for storing frozen oil is provided in the frame (4).
  3. 3. The automobile air conditioning system simulator of claim 2, wherein an upper support (41) and a lower support (42) are horizontally arranged in the frame (4) in sequence, a side wall support (43) is arranged on the rear side wall of the frame (4), the condenser (112) is arranged on the upper support (41), the evaporator (113) is vertically arranged on the rear side wall of the frame (4) and fixedly connected with the upper inner wall of the frame (4), the compressor (111) is arranged on the lower support (42), and the oil bottle (3) is arranged on the side wall support (43).
  4. 4. A simulator of an air conditioning system for a vehicle according to claim 1, wherein the top of the frame (4) is provided with a first viewing plate (71) of transparent material, and the bottom of the frame (4) is provided with a bottom plate (9).
  5. 5. The automobile air conditioning system simulator of claim 4, wherein the first observation plate (71) is uniformly provided with air outlets (711).
  6. 6. A simulator of an air conditioning system for a vehicle according to claim 4, wherein a second viewing panel (72) of transparent material is provided on a side wall of the frame (4).
  7. 7. The automobile air conditioning system simulator as set forth in claim 6, wherein a plurality of heat dissipation holes (721) are formed in the middle of the second observation plate (72).
  8. 8. The automobile air conditioning system simulator according to claim 4, wherein moving blocks (51) are arranged at four corners of the bottom plate (9), and moving wheels (52) are rotatably arranged at the bottoms of the moving blocks (51).
  9. 9. A simulator of an air conditioning system for a vehicle according to claim 8, wherein the top end of the moving block (51) is rotatably connected to the floor (9).

Description

Simulator for automobile air conditioning system Technical Field The utility model relates to the technical field of automobile engineering, in particular to an automobile air conditioning system simulator. Background In the production process of the refrigerant recovery filling machine, performance test is required to be carried out on the refrigerant recovery filling machine after production, and as the refrigerant recovery filling machine cannot be connected with a real automobile air conditioning system, the refrigerant recovery filling machine can only be connected with an empty steel cylinder to carry out cleaning, recovery, filling and filling test of the refrigerant. However, the automobile air conditioning system has a complex structure, and the air cylinder and the real automobile air conditioning system have significant differences in pressure change, refrigerant flow resistance, heat exchange environment and the like, so that performance indexes such as recovery efficiency, filling accuracy and the like of the refrigerant filling recovery machine cannot be accurately tested. Disclosure of utility model The utility model aims to provide an automobile air conditioning system simulator which has the effects of simulating an automobile air conditioning system and accurately testing performance indexes such as recovery efficiency, filling accuracy and the like of a refrigerant filling and recovering machine. The technical aim of the utility model is realized by the following technical scheme: The utility model provides an automotive air conditioning system simulator, including the frame, set up the refrigeration cycle mechanism in the frame and set up the pressure detection device in the frame, refrigeration cycle mechanism is including being used for converting gaseous refrigerant into liquid condenser and being used for evaporating liquid refrigerant heat absorption refrigerated evaporimeter, pressure detection device is including setting up high pressure detection table and the low pressure detection table on the frame, the top of frame is provided with low pressure joint, high pressure joint and ooff valve, high pressure joint is connected in high pressure pipeline, low pressure joint is connected in low pressure pipeline, be provided with in the frame and be used for providing the compressor of power for refrigerant circulation, be used for filtering impurity and moisture's drier-filter and be used for the expansion valve to high pressure liquid refrigerant throttle step-down, wherein, the compressor, the condenser, drier-filter, the expansion valve, pass through the copper pipe connection in proper order between the evaporimeter. By adopting the technical scheme, the device simulates a real automobile air conditioning system, and the refrigerant recovery filling machine can be connected with a similar real automobile air conditioning system in the production process, so that whether the performance indexes such as recovery efficiency, filling precision and the like of the refrigerant recovery filling machine are qualified or not and whether reworking is needed or not is tested, the device damage in the actual use process is avoided, the production efficiency is influenced, the device can improve the production efficiency, the detection step is simplified, and the manpower resources are saved; wherein each device respectively plays the following roles: The frame is a basic structure of the whole simulation system, bears the weight of each component in the support system, and plays a certain role in protecting the internal components to prevent the internal components from being influenced by external collision; the refrigerant treatment device compresses, liquefies and stores the refrigerant, the liquefied refrigerant is decompressed through the filtering device, and then is evaporated to participate in refrigeration, so that the cooling effect is achieved, and then the refrigerant is compressed, liquefied again and enters the next cycle; The method comprises the steps of providing power for refrigerant circulation, compressing low-pressure gaseous refrigerant into high-temperature high-pressure gaseous refrigerant, conveying the high-temperature high-pressure gaseous refrigerant to a condenser through a copper pipe by the compressor, cooling the gaseous refrigerant into liquid refrigerant by the condenser through heat dissipation, continuously filtering the liquid refrigerant through a drying filter by the aid of the drying filter to remove impurities, moisture, greasy dirt and other pollutants, conveying the high-pressure liquid refrigerant subjected to drying filtration to an expansion valve, conveying the high-pressure liquid refrigerant to the expansion valve, throttling and depressurizing the high-pressure liquid refrigerant by the expansion valve to enable the refrigerant to be changed into low-temperature low-pressure liquid refrigerant, then enabling the low-temperature low-pressure liq