CN210089198U - Automobile air conditioner refrigerant detection device - Google Patents
Automobile air conditioner refrigerant detection device Download PDFInfo
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- CN210089198U CN210089198U CN201920844342.XU CN201920844342U CN210089198U CN 210089198 U CN210089198 U CN 210089198U CN 201920844342 U CN201920844342 U CN 201920844342U CN 210089198 U CN210089198 U CN 210089198U
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Abstract
The utility model discloses a vehicle air conditioner refrigerant detection device, which comprises an air conditioner quick joint, a detection module, a control module, a display module, a vacuum pump, a refrigerant collecting tank and a power module for supplying power to the device; the detection module is respectively connected with the air conditioner quick connector and the vacuum pump pipeline, a flow control valve is arranged on a connecting pipeline of the detection module and the air conditioner quick connector, and an exhaust valve is arranged on a connecting pipeline of the detection module and the vacuum pump; the detection module, the display module, the exhaust valve, the vacuum pump and the power supply module are respectively connected with the control module through lines; the device realizes the rapid detection of the water content of the refrigerant and the pressure value of the refrigerant pipeline in the air conditioning system, prevents the abnormal water content of the refrigerant of the air conditioner from causing the shortening of the service life of the liquid storage drying bottle, and reduces the faults of the air conditioner.
Description
Technical Field
The utility model relates to an air conditioner overhauls technical field, in particular to air conditioner refrigerant detection device.
Background
The air conditioning refrigerant is also called snow, is blood of a refrigerating system, and is a working substance which continuously circulates in the refrigerating system and realizes refrigeration through state change of the air conditioning refrigerant. The air conditioning refrigerant is vaporized by absorbing heat of a refrigerant (water, air, or the like) in the evaporator, and condensed by transferring heat to ambient air or water in the condenser.
If water vapor is mixed in the air-conditioning refrigerant, the service life of the liquid storage drying bottle can be shortened, and the phenomenon of ice blockage of the expansion valve can be caused in serious cases, so that the refrigeration effect is influenced. The existing air conditioner detection device is mainly deviated from the direction of refrigerant leakage detection, and special equipment is lacked for detecting whether the refrigerant is mixed with water vapor or not.
The air conditioner management pressure can reflect the circulation condition of the air conditioner refrigerant and the amount of the refrigerant, and is an important index in the air conditioner fault diagnosis process.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of above-mentioned prior art's weak point, the utility model aims at providing a but vehicle air conditioner refrigerant detection device of short-term test refrigerant water content and air conditioner pipeline pressure aims at remedying the defect that lacks the equipment of detecting air conditioner refrigerant water content specially among the prior art, through detecting refrigerant pressure and water content, judges vehicle air conditioner refrigerant quality, refrigerant volume and circulation condition, provides important reference for the maintenance personal, has promoted air conditioner maintenance efficiency.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a refrigerant detection device of an automobile air conditioner comprises an air conditioner quick connector, a detection module, a control module, a display module, a vacuum pump, a refrigerant collecting tank and a power supply module for supplying power to the device; the detection module is respectively connected with the air conditioner quick connector and the vacuum pump pipeline, a flow control valve is arranged on a connecting pipeline of the detection module and the air conditioner quick connector, and an exhaust valve is arranged on a connecting pipeline of the detection module and the vacuum pump; the detection module, the display module, the exhaust valve, the vacuum pump and the power supply module are respectively connected with the control module through lines.
Among the vehicle air conditioner refrigerant detection device, detection module includes water content detection module and pressure detection module, water content detection module is used for detecting the water content of air conditioning system refrigerant, pressure detection module is used for detecting the pressure of air conditioning system refrigerant pipeline, water content detection module and pressure detection module respectively with control module line connection.
In the automobile air conditioner refrigerant detection device, the device further comprises an alarm module, wherein the alarm module is connected with the control module through a line and used for giving an alarm when the control module judges that the data is abnormal.
In the automobile air conditioner refrigerant detection device, a plurality of I/O interfaces are arranged in the control module, and the control module is respectively connected with the detection module, the display module, the vacuum pump and the exhaust valve through the I/O interfaces.
In the automobile air conditioner refrigerant detection device, the control module comprises one of STM32 series single-chip microcomputers.
In the automobile air conditioner refrigerant detection device, an inlet of the refrigerant collecting tank is provided with a one-way valve.
In the automobile air conditioner refrigerant detection device, an overflow safety valve is arranged at an outlet of the refrigerant collecting tank.
Has the advantages that:
the utility model provides a vehicle air conditioner refrigerant detection device inserts air conditioning system low pressure interface through air conditioner quick-operation joint, inserts detection module between flow control valve and discharge valve, has realized the short-term test to cold medium water content and refrigerant pipeline pressure value in the air conditioning system, prevents that air conditioner refrigerant water content from leading to the liquid storage drying bottle life to shorten unusually, reduces the air conditioner trouble.
Drawings
Fig. 1 is the utility model provides a vehicle air conditioner refrigerant detection device's relation of connection sketch map.
Fig. 2 is a control block diagram of the vehicle air conditioner refrigerant detection device.
Detailed Description
The utility model provides a vehicle air conditioner refrigerant detection device, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the embodiment is lifted to follow with reference to the attached drawing the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 and 2, the utility model provides a refrigerant detection device for an automobile air conditioner, which comprises an air conditioner quick connector 1, a detection module 2, a control module 3, a display module 4, a vacuum pump 5, a refrigerant collecting tank 6 and a power module 7 for supplying power to the device; the detection module 2 is respectively connected with the air conditioner quick connector 1 and the vacuum pump 5 through pipelines, a flow control valve 8 is arranged on a connecting pipeline of the detection module 2 and the air conditioner quick connector 1, and an exhaust valve 9 is arranged on a connecting pipeline of the detection module 2 and the vacuum pump 5; the detection module 2, the display module 4, the exhaust valve 9, the vacuum pump 5 and the power module 7 are respectively connected with the control module 3 through lines.
If the refrigerant in the air conditioning system is mixed with water vapor, the service life of the liquid storage drying bottle can be shortened, and the phenomenon of ice blockage of the expansion valve can be caused in serious cases, so that the refrigeration effect is influenced. The detection device can be applied to detecting the water content and the pipeline pressure of the air conditioner refrigerant at any time, and provides a reference basis for air conditioner maintenance.
The detection device is characterized in that the air conditioner quick connector is connected with a low-pressure pipeline detection port of an air conditioning system, a refrigerant is introduced into the detection module, and the quality of the refrigerant is detected through the detection module. Detection module 2 includes water content detection module 21 and pressure detection module 22, water content detection module 21 is used for detecting the water content of air conditioning system refrigerant, pressure detection module 22 is used for detecting the pressure of air conditioning system refrigerant pipeline, water content detection module 21 and pressure detection module 22 respectively with control module 3 line connection. The control module receives the data generated by the detection module, performs logic operation on the data, analyzes and judges the data, outputs a result, and displays the detection result in the display module. And the refrigerant in the detected detection module enters a refrigerant collecting tank for recycling. The vacuum pump is used for discharging air in the pipeline before the refrigerant is introduced into the detection module, so that the influence on the quality of the refrigerant led out from the air conditioning system is avoided, and the influence on the real detection effect of the refrigerant is avoided.
The device also comprises an alarm module 10, wherein the alarm module 10 is in line connection with the control module 3 and is used for warning when the control module 3 judges that the data is abnormal; when the control module analyzes that the data detected by the detection module exceeds a preset threshold value, the alarm module gives out a sound warning of 'dripping' to remind the maintainers of paying attention.
The control module 3 is provided with a plurality of I/O interfaces, and the control module 3 is respectively connected with the detection module 2, the display module 4, the vacuum pump 5 and the exhaust valve 9 through the I/O interfaces.
The control module 3 comprises one of STM32 series single-chip microcomputers; the processing speed is fast, the functions are complete, and the power consumption is low.
The inlet of the refrigerant collecting tank 6 is provided with a check valve (not shown in the figure), so that the refrigerant can only flow into the refrigerant collecting tank and can not flow out of the refrigerant collecting tank.
The outlet of the refrigerant collecting tank 7 is provided with an overflow safety valve (not shown in the figure), so that the refrigerant in the refrigerant collecting tank is prevented from leaking, the constant pressure overflow when the refrigerant flows out of the refrigerant collecting tank is ensured, and the safety of the refrigerant collecting tank is improved.
When the device is operated, a purging operation is first required. Closing the flow regulating valve, opening an exhaust valve, and starting a vacuum pump to exhaust air remained in a system pipeline; then close discharge valve, in inserting air conditioner quick-operation joint air conditioning system low pressure interface, open flow control valve, in introducing detection module with the refrigerant, water content detection module and pressure detection module among the detection module detect the water content and the refrigerant pipeline pressure of refrigerant respectively, then with the detected data feedback to control module in, control module compares the measured value in to detection module with the threshold value of predetermineeing, when actual detection water content, when pressure value surpassed the threshold value of predetermineeing, control module judges that air conditioner refrigerant data is unusual, and then control alarm module sends the sound warning of "dripping" and drips, show real-time water content of refrigerant and pipeline pressure value in display module simultaneously. If the actually detected water content and the pressure value are lower than the preset threshold values, the real-time water content and the pipeline pressure value of the refrigerant are only displayed in the display module.
It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.
Claims (7)
1. The refrigerant detection device of the automobile air conditioner is characterized by comprising an air conditioner quick connector, a detection module, a control module, a display module, a vacuum pump, a refrigerant collecting tank and a power supply module for supplying power to the device; the detection module is respectively connected with the air conditioner quick connector and the vacuum pump pipeline, a flow control valve is arranged on a connecting pipeline of the detection module and the air conditioner quick connector, and an exhaust valve is arranged on a connecting pipeline of the detection module and the vacuum pump; the detection module, the display module, the exhaust valve, the vacuum pump and the power supply module are respectively connected with the control module through lines.
2. The device for detecting the refrigerant of the automobile air conditioner as claimed in claim 1, wherein the detection module comprises a water content detection module and a pressure detection module, the water content detection module is used for detecting the water content of the refrigerant of the air conditioning system, the pressure detection module is used for detecting the pressure of a refrigerant pipeline of the air conditioning system, and the water content detection module and the pressure detection module are respectively connected with the control module through lines.
3. The device for detecting the refrigerant of the automobile air conditioner as claimed in claim 1, further comprising an alarm module, wherein the alarm module is connected with the control module through a line and used for giving an alarm when the control module judges that the data is abnormal.
4. The device for detecting the refrigerant of the automobile air conditioner as claimed in claim 1, wherein a plurality of I/O interfaces are arranged in the control module, and the control module is respectively connected with the detection module, the display module, the vacuum pump and the exhaust valve through the I/O interfaces.
5. The refrigerant detection device of an automobile air conditioner as claimed in claim 1, wherein the control module comprises one of STM32 series single-chip microcomputers.
6. The apparatus for detecting refrigerants in an air conditioner of an automobile of claim 1, wherein an inlet of the refrigerant collecting tank is provided with a check valve.
7. The apparatus for detecting refrigerant in an air conditioner of a vehicle as claimed in claim 1, wherein an outlet of the refrigerant collecting tank is provided with an overflow safety valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920844342.XU CN210089198U (en) | 2019-06-05 | 2019-06-05 | Automobile air conditioner refrigerant detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920844342.XU CN210089198U (en) | 2019-06-05 | 2019-06-05 | Automobile air conditioner refrigerant detection device |
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| Publication Number | Publication Date |
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| CN210089198U true CN210089198U (en) | 2020-02-18 |
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| CN201920844342.XU Active CN210089198U (en) | 2019-06-05 | 2019-06-05 | Automobile air conditioner refrigerant detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114783155A (en) * | 2022-04-27 | 2022-07-22 | 董云龙 | Pressure monitoring and alarming device for air conditioner refrigerant water system |
| CN115266984A (en) * | 2022-07-29 | 2022-11-01 | 格力电器（芜湖）有限公司 | Method for detecting moisture of refrigerant in real time |
-
2019
- 2019-06-05 CN CN201920844342.XU patent/CN210089198U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114783155A (en) * | 2022-04-27 | 2022-07-22 | 董云龙 | Pressure monitoring and alarming device for air conditioner refrigerant water system |
| CN115266984A (en) * | 2022-07-29 | 2022-11-01 | 格力电器（芜湖）有限公司 | Method for detecting moisture of refrigerant in real time |
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