CN204988761U - Vehicle air conditioner diagnostic equipment - Google Patents
Vehicle air conditioner diagnostic equipment Download PDFInfo
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- CN204988761U CN204988761U CN201520801468.0U CN201520801468U CN204988761U CN 204988761 U CN204988761 U CN 204988761U CN 201520801468 U CN201520801468 U CN 201520801468U CN 204988761 U CN204988761 U CN 204988761U
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- diagnostic equipment
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- 238000004378 air conditioning Methods 0.000 claims abstract description 31
- 238000012423 maintenance Methods 0.000 claims abstract description 15
- 238000003745 diagnosis Methods 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 210000000988 bone and bone Anatomy 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 206010020852 Hypertonia Diseases 0.000 abstract description 3
- 238000003556 assay Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000007405 data analysis Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
Landscapes
- Air Conditioning Control Device (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model relates to a vehicle air conditioner diagnostic equipment sets up high pressure sensor fast interface in high -pressure pipeline department for connect high pressure sensor, the department sets up low pressure sensor fast interface at the low pressure pipeline, is used for connecting the low pressure sensor, and instrument air outlet temperature sensor adorn in instrument air outlet department, and the ambient temperature humidity transducer dress detects humiture in the car in the air conditioner automobile, in sensor signal sends into the host computer, through handling trouble and the demonstration that assay is used for diagnosing air conditioning system, the singlechip is sent measured data to and is shown that screen display shows or send the cell -phone to through the bluetooth, and setting up reset button, diagnosis button on the diagnostic equipment, guideing the button, the singlechip carries out data processing according to button signal, and when detecting high -pressure hypertonia, the alarm lamp is lighted. Pressure sensor lug connection has significantly reduced in the air was discharged in the cooler air -conditioner agent when maintenance on fast interface, through diagnostic equipment guidance maintenance, let the repair person, more can accurate judgements trouble, the saving cost is raised the efficiency.
Description
Technical field
The utility model relates to a kind of detection technique, particularly a kind of air conditioning for automobiles diagnostic equipment.
Background technology
In existing maintenance of air conditioner of car market, still mechanical compression table with the most use, is made up of pressure gauge outfit, sampling line and fast interface, the loss causing cold-producing medium unnecessary when detecting, and discharge refrigerant enters in air, pollute environment and personal injury.
This mechanical pressure table function is less, can only pointer indicated pressure, cannot test environment temperature, ambient humidity, air-conditioner air outlet temperature in car, make maintenance ambient temperature and humidity, air outlet temperature not combined well like this to diagnose, judge that the performance quality of air-conditioning can only be felt with individual.
Summary of the invention
The utility model detects for present maintenance of air conditioner of car the problem fallen behind, propose a kind of air conditioning for automobiles diagnostic equipment, there is the pressure survey of high-low pressure pipeline, ambient temperature and humidity is measured, and air outlet temperature survey, various data are combined, diagnose out the fault of vehicle air conditioning, and guide maintenance for fault, and cheapness, compared with the air conditioning for automobiles diagnostic equipment of environmental protection.
The technical solution of the utility model is: a kind of air conditioning for automobiles diagnostic equipment, at pressure duct place, high pressure sensor fast interface is set, for connecting high pressure sensor, at low pressure line place, low pressure sensor fast interface is set, for connecting low pressure sensor, instrument air outlet temperature sensor test instrumentation air outlet temperature, environment temperature and humidity sensor is contained in air conditioning for automobiles diagnostic equipment, testing environment humiture, wherein two pressure transducers, the data collected carry out analog to digital conversion by A/D chip, obtain digital signal and send single-chip microcomputer, air outlet temperature sensor and Temperature Humidity Sensor are digital sensor, image data directly send single-chip microcomputer, the data of single-chip microcomputer are sent to Android system by bluetooth communication, after Android system data processing, the fault of diagnosis air-conditioning system, measurement data is delivered to display screen display by single-chip microcomputer, diagnostic equipment arranged reset button, diagnose button, instruct button, single-chip microcomputer carries out data processing according to different button signal, when microprocessor detect is too high to high-pressure, exports control signal and drives alarm lamp to light.Power supply is by giving the power supplies such as chip, sensor, display screen after the voltage stabilizing of voltage stabilizing chip.
Described alarm lamp is the too high alarm lamp of high-pressure.
Described reset button closes, and monolithic processor resetting, removes previous measurement data, re-start data acquisition, and by data display over the display.
Described diagnosis button closes, and Current Diagnostic data send display to show by single-chip microcomputer.
The described button that instructs closes, and single-chip microcomputer, by device fault information and guide maintenance information, send display to show.
Described single-chip microcomputer and Android system communicate with one another, the measurement data of Android system display air-conditioning system and fault diagnosis, and carry out guided bone maintenance.
The beneficial effects of the utility model are: the utility model air conditioning for automobiles diagnostic equipment, not re-use in stem-winder long cold-producing medium sampling line, and direct pressure transducer is connected directly between on fast interface, greatly reduce the loss of cold-producing medium during maintenance, reduce cold-producing medium to be discharged in air when keeping in repair, and the injury to human body; Gather high-low pressure line pressure, environment temperature, humidity, air outlet temperature, provide data reference to maintenance personal, and can to data analysis, the performance of diagnosis air conditioning for automobiles; When hypertonia, red LED lamp is bright, prompting high-pressure hypertonia.By the maintenance of this instrument directiveness, allow repairman, more can accurate failure judgement, cost-saving, increase work efficiency.
Accompanying drawing explanation
Fig. 1 is automotive air-conditioning system connection layout;
Fig. 2 is the utility model air conditioning for automobiles diagnostic equipment structured flowchart;
Fig. 3 is the outside connection layout of the utility model air conditioning for automobiles diagnostic equipment.
Embodiment
Automotive air-conditioning system connection layout as shown in Figure 1,1 is compressor, and 2 is condenser, and 3 is drying bottle, and 4 is high-pressure test interface, and 5 is evaporator, and 6 is expansion valve, and 7 is low pressure test interface, and 8 is radiator fan, and 9 is fan blower, and 10 is instrument air outlet.Indirect drying bottle 3 in condensator outlet to evaporator inlet loop, at the endpiece of drying bottle 3, high pressure sensor fast interface 4 is set, low pressure sensor fast interface 7 being set at compressor 1 inlet end, for connecting high-low pressure sensor fast, detecting high-low pressure pipeline system pressure respectively.
Air conditioning for automobiles diagnostic equipment structured flowchart as shown in Figure 2, low-pressure sensor 11 is arranged on low pressure sensor fast interface 7, high-pressure pressure sensor 12 is arranged on high pressure sensor fast interface 4, instrument air outlet temperature sensor 13 is put in instrument air outlet 10 place, it is inner that environment temperature and humidity sensor 14 is contained in air-conditioning diagnostic equipment, for measurement environment humiture, wherein two pressure transducers, the data collected carry out analog to digital conversion by A/D chip 19, obtain digital signal and send single-chip microcomputer 18, air outlet temperature sensor 13 and Temperature Humidity Sensor 14 are digital sensor, directly send single-chip microcomputer 18, data after the process of single-chip microcomputer 18 are sent to Android system (mobile phone) 17 by bluetooth module, after Android system (mobile phone) 17 data processing, shown by window and operate, the fault of diagnosis air-conditioning system, and carry out guided bone maintenance.Measurement data is delivered to display screen 22 and is shown by single-chip microcomputer 18, the outside connection layout of air conditioning for automobiles diagnostic equipment as shown in Figure 3, diagnostic equipment is provided with reset button 24, diagnosis button 25, instructs button 26, single-chip microcomputer 18 carries out data processing according to different push-botton operation signal, when microprocessor detect is too high to high-pressure, exports control signal and drive alarm lamp 27 to light.Power supply 28 is powered by giving chip, sensor, display screen after voltage stabilizing chip 23 voltage stabilizing.
Power unit: directly supply 12V voltage by vehicle accumulator, convert 5V to by power supply chip 23, to pressure transducer 11,12, temperature sensor 13, Temperature Humidity Sensor 14, and single-chip microcomputer 18, A/D conversion chip 19, LCD display 22, waits power supply.
Sensor section: low-pressure sensor 11, high-pressure pressure sensor 12, air outlet temperature sensor 13, Temperature Humidity Sensor 14, wherein pressure transducer is simulated data, and the data collected carry out analog to digital conversion by A/D chip 19, obtain digital signal, air outlet temperature sensor 13, and Temperature Humidity Sensor 14 is digital sensor, directly data is passed to single-chip microcomputer 18.
Data processing and display: the data of sensor collection are treated passes to single-chip microcomputer 18, again through single-chip microcomputer 18 computing, after process, one tunnel is through display screen 22, demonstrate pressure, temperature, humidity, another road can send to Android system (mobile phone) by bluetooth module, carries out data analysis, diagnosis.
Keypress function: when push button 25 time, single-chip microcomputer 18 is to the data analysis collected, and failure judgement; When push button 26 time, the display fault repair relevant with fault is pointed out by display screen; When operating button 24, diagnostic equipment resets, and removes previous measurement data, re-starts data acquisition, and by data display over the display.
LED 27: alarm for high voltage, when high pressure is under certain environment temperature and humidity, when high pressure exceeds certain value, LED is lighted, and alarm for high voltage is pointed out.
The diagnosis of this instrument failure has two kinds of modes.
(1) method, shows pressure, temperature, humidity by LCDs 22, and by push-botton operation, carries out data acquisition, tracing trouble, maintenance direction, alarm for high voltage.
(2) other method, the data of process are transferred to the Android system (mobile phone) of host computer by main frame 15 by bluetooth module, the bluetooth driver of host computer accepts the data from slave computer bluetooth, the data passed over by slave computer at the application software APP of Android system (mobile phone) 17 end are presented on operation interface, according to data, host computer judges that now whether automotive air-conditioning system is good, work bad, by according to different situations, prompting trouble spot, and propose repair scheme, and related data inquiry.
Claims (6)
1. an air conditioning for automobiles diagnostic equipment, it is characterized in that, at pressure duct place, high pressure sensor fast interface is set, for connecting high pressure sensor, at low pressure line place, low pressure sensor fast interface is set, for connecting low pressure sensor, instrument air outlet temperature sensor test instrumentation air outlet temperature, environment temperature and humidity sensor is contained in air conditioning for automobiles diagnostic equipment, testing environment humiture, wherein two pressure transducers, the data collected carry out analog to digital conversion by A/D chip, obtain digital signal and send single-chip microcomputer, air outlet temperature sensor and Temperature Humidity Sensor are digital sensor, image data directly send single-chip microcomputer, data are sent to Android system by bluetooth communication by the data of single-chip microcomputer, after Android system data processing, the fault of diagnosis air-conditioning system, measurement data is delivered to display screen display by single-chip microcomputer, diagnostic equipment arranged reset button, diagnose button, instruct button, single-chip microcomputer carries out data processing according to different button signal, when microprocessor detect is too high to high-pressure, exporting control signal drives alarm lamp to light, and power supply is powered by giving chip, sensor, display screen after the voltage stabilizing of voltage stabilizing chip.
2. air conditioning for automobiles diagnostic equipment according to claim 1, it is characterized in that, described alarm lamp is the too high alarm lamp of high-pressure.
3. air conditioning for automobiles diagnostic equipment according to claim 1, is characterized in that, described reset button closes, and monolithic processor resetting, removes previous measurement data, re-start data acquisition, and by data display over the display.
4. air conditioning for automobiles diagnostic equipment according to claim 1, is characterized in that, described diagnosis button closes, and Current Diagnostic data send display to show by single-chip microcomputer.
5. air conditioning for automobiles diagnostic equipment according to claim 1, is characterized in that, the described button that instructs closes, and single-chip microcomputer, by device fault information and guide maintenance information, send display to show.
6. air conditioning for automobiles diagnostic equipment according to claim 1, it is characterized in that, described single-chip microcomputer and Android system communicate with one another, the measurement data of Android system display air-conditioning system and fault diagnosis, and carry out guided bone maintenance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520801468.0U CN204988761U (en) | 2015-10-13 | 2015-10-13 | Vehicle air conditioner diagnostic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520801468.0U CN204988761U (en) | 2015-10-13 | 2015-10-13 | Vehicle air conditioner diagnostic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN204988761U true CN204988761U (en) | 2016-01-20 |
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| CN201520801468.0U Active CN204988761U (en) | 2015-10-13 | 2015-10-13 | Vehicle air conditioner diagnostic equipment |
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| CN (1) | CN204988761U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717915A (en) * | 2016-03-14 | 2016-06-29 | 成都爆米花信息技术有限公司 | Data acquisition equipment with self-diagnosis function |
| CN107102662A (en) * | 2017-06-20 | 2017-08-29 | 佛山职业技术学院 | A kind of air conditioning for automobiles flow and System Controlled by Measuring Pressure based on WiFi technology |
| CN107187293A (en) * | 2017-06-20 | 2017-09-22 | 佛山职业技术学院 | A kind of air conditioning for automobiles System Controlled by Measuring Pressure based on Bluetooth technology |
| CN108519192A (en) * | 2018-04-17 | 2018-09-11 | 中国铁路哈尔滨局集团有限公司哈尔滨动车段 | A kind of hand-held EMU air-conditioning refrigerant pressure tester and test method |
| CN108896089A (en) * | 2018-06-14 | 2018-11-27 | 广东松山职业技术学院 | A kind of automobile sensor Fault Quick Diagnosis system and its diagnostic method |
| CN110346162A (en) * | 2019-07-16 | 2019-10-18 | 湖北省泰路科技有限公司 | Air conditioning for automobiles diagnostic method, system and equipment |
-
2015
- 2015-10-13 CN CN201520801468.0U patent/CN204988761U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717915A (en) * | 2016-03-14 | 2016-06-29 | 成都爆米花信息技术有限公司 | Data acquisition equipment with self-diagnosis function |
| CN107102662A (en) * | 2017-06-20 | 2017-08-29 | 佛山职业技术学院 | A kind of air conditioning for automobiles flow and System Controlled by Measuring Pressure based on WiFi technology |
| CN107187293A (en) * | 2017-06-20 | 2017-09-22 | 佛山职业技术学院 | A kind of air conditioning for automobiles System Controlled by Measuring Pressure based on Bluetooth technology |
| CN108519192A (en) * | 2018-04-17 | 2018-09-11 | 中国铁路哈尔滨局集团有限公司哈尔滨动车段 | A kind of hand-held EMU air-conditioning refrigerant pressure tester and test method |
| CN108896089A (en) * | 2018-06-14 | 2018-11-27 | 广东松山职业技术学院 | A kind of automobile sensor Fault Quick Diagnosis system and its diagnostic method |
| CN108896089B (en) * | 2018-06-14 | 2024-05-17 | 广东松山职业技术学院 | Automobile sensor fault rapid diagnosis system and diagnosis method thereof |
| CN110346162A (en) * | 2019-07-16 | 2019-10-18 | 湖北省泰路科技有限公司 | Air conditioning for automobiles diagnostic method, system and equipment |
| CN110346162B (en) * | 2019-07-16 | 2021-07-09 | 湖北省泰路科技有限公司 | Automobile air conditioner diagnosis method, system and equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |