CN109062185A - A kind of air conditioning for automobiles fault diagnosis system - Google Patents
A kind of air conditioning for automobiles fault diagnosis system Download PDFInfo
- Publication number
- CN109062185A CN109062185A CN201810911170.3A CN201810911170A CN109062185A CN 109062185 A CN109062185 A CN 109062185A CN 201810911170 A CN201810911170 A CN 201810911170A CN 109062185 A CN109062185 A CN 109062185A
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- air
- client unit
- conditioning
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- temperature
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0262—Confirmation of fault detection, e.g. extra checks to confirm that a failure has indeed occurred
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Air Conditioning Control Device (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of air conditioning for automobiles fault diagnosis systems, it is characterized in that, including client unit, the temperature and humidity wind speed measurement module connecting with client unit, the pressure detecting module for connecting with client unit and obtaining pressure value, the fluid detection module connecting with client unit, the filter check module connecting with client unit, and with client unit it connect and is calculated by various dimensions multi-layer data interaction the service end unit of air-conditioning diagnostic result and maintenance program.It services end unit and the result of calculating and scheme is returned into client unit, client unit shows result and scheme later.The present invention has the effect of automatic detection, saves time and cost of labor.
Description
Technical field
The invention belongs to automobile detection field, in particular to a kind of air conditioning for automobiles fault diagnosis system.
Background technique
As the fast development of Chinese Automobile Industry ', air conditioning for automobiles demand is increased sharply.New-energy automobile it is burning hot, it is also right
Want that the enterprise into the field provides unlimited opportunity, orthodox car Air-conditioning Enterprise makes the transition do new-energy automotive air-conditioning one after another.
Orthodox car air conditioner refrigerating mode is to generate refrigeration by driven by engine compressor to export from air outlet.What is occurred now is electronic
Air-conditioning is exclusively for electric vehicle development, and mainly engine operation drives battery power storage, is supplied to motor later, using with
The included electric machine structure driving of motor connection and controller are controlled, and power supply and control signal need to be only accessed.If electronic
Air-conditioning breaks down, and maintenance relies primarily on some dedicated detecting instrument detections, judges failure problems in conjunction with artificial experience,
Cumbersome and time consuming, it is low that there are also detection efficiencies.
Summary of the invention
In view of the above problems, the purpose of the present invention is to provide a kind of automatic detection, save time and cost of labor
Air conditioning for automobiles fault diagnosis system.
To achieve the above object, a kind of air conditioning for automobiles fault diagnosis system provided by the invention, wherein including client list
Member, the temperature and humidity wind speed measurement module being connect with client unit, the pressure for being connect with client unit and obtaining pressure value inspection
Survey module, the fluid detection module being connect with client unit, the filter check module being connect with client unit, and and client
End unit connects and the server-side list of air-conditioning diagnostic result and maintenance program is calculated by various dimensions multi-layer data interaction
Member.It services end unit and the result of calculating and scheme is returned into client unit, client unit shows result and scheme later.
Client unit (including but not limited to mobile phone, IPAD, PC, intelligent terminal) as a result, is mainly used for believing collected data
Breath, typing client unit are simultaneously tentatively cleaned, and service end unit is then submitted to, after service end unit returns the result, exhibition
Show result.
In some embodiments, temperature and humidity wind speed measurement module include measurement current vehicle where ambient air temperature and
The environment temperature meter of ambient atmospheric humidity measures air-conditioner air outlet temperature, condenser inlet temperature and condensator outlet temperature
Infrared thermometer, and the air humidity detector of measurement air-conditioner air outlet wind speed.Environment temperature meter, infrared thermometer and sky
Gas humidity measurement instrument is connect with client unit.
In some embodiments, pressure detecting module includes obtain the current high-pressure of air-conditioning and low pressure value cold
Matchmaker's table group.Refrigerant table group is connect with client unit.
In some embodiments, fluid detection module includes measuring the whether insufficient or exceeded air conditioner comprehensive event of refrigeration oil
Hinder diagnostic equipment.Air conditioner comprehensive failure diagnostic apparatus is connect with client unit.
In some embodiments, filter check module is that judge whether air conditioner filter element and air filtering core have dirty.
The technical problem to be solved by the present invention is to how find a kind of effective automotive air-conditioning system fault detection method, allow
The sensor and controller system of air conditioning for automobiles can quickly and effectively detect failure present in air conditioning for automobiles or defect, just
As those skilled in the art's urgent problem to be solved.Various dimensions comprehensive matching is carried out by data parameters and is calculated, and data are used
Mode quantified the performance of air-conditioning, and accurately match corresponding diagnostic result, maintenance mode and solution simultaneously, standardize
The entire diagnosis process for changing, having standardized air-conditioning solves current air conditioning for automobiles diagnosis, judges asking for inaccuracy by personal experience
Topic.
Detailed description of the invention
Fig. 1 is the schematic diagram of air conditioning for automobiles fault detection and diagnosis system of the present invention；
Fig. 2 is the flow chart of air conditioning for automobiles fault detection and diagnosis algorithm of the present invention.
Specific embodiment
Invention is described in further detail with reference to the accompanying drawing.
As shown in Figs. 1-2, a kind of air conditioning for automobiles fault diagnosis system, including client unit, connect with client unit
Temperature and humidity wind speed measurement module, the pressure detecting module and client unit that are connect with client unit and obtain pressure value
The fluid detection module of connection, the filter check module being connect with client unit, and connect and pass through more with client unit
The service end unit of air-conditioning diagnostic result and maintenance program is calculated in dimension multi-layer data interaction.Servicing end unit will calculate
Result and scheme return to client unit, client unit shows result and scheme later.Temperature and humidity wind speed measurement module
Environment temperature meter including ambient air temperature and ambient atmospheric humidity where measurement current vehicle, measures air-conditioner air outlet temperature
The infrared thermometer of degree, condenser inlet temperature and condensator outlet temperature, and the air of measurement air-conditioner air outlet wind speed are wet
Spend detector.Environment temperature meter, infrared thermometer and air humidity detector are connect with client unit.Pressure detecting mould
Block includes the refrigerant table group for obtaining air-conditioning current high-pressure and low pressure value.Refrigerant table group is connect with client unit.Stream
Body detection module includes that whether measurement refrigeration oil insufficient or exceeded air conditioner comprehensive failure diagnostic apparatus.Air conditioner comprehensive failure diagnostic apparatus
It is connect with client unit.Filter check module is that judge whether air conditioner filter element and air filtering core have dirty.
Embodiment
It needs first stop vehicle, and maintains the engine at fortune and stand between heaven and earth state, open the AC on automotive air-conditioning controller
Air-supply format, is tuned into interior circulation by switch, and cryogenic temperature is adjusted to minimum, and wind speed is set as two grades.
As shown in Figure 1, the air conditioning for automobiles fault detection and diagnosis system of the present embodiment includes obtaining temperature and humidity, wind speed measurement temperature
Fixed number evidence, the pressure detection data obtain, the fluid detection data acquisition, the filter check situation, and pass through client
End unit submits data to servicing end unit.
After servicing end unit acquirement detailed data, the pairing of genuine data and parameter matching first are carried out by vehicle system vehicle, it is as follows
Table: the air-conditionings data such as detection air-conditioning high-low pressure.
| Air-conditioning low pressure normally-pressured neighbor (bar) | Air-conditioning high pressure normally-pressured neighbor (bar) |
| 1.6~2.7 | 14.5~17.5 |
It is combined further according to different results, carries out multi-layer various dimensions parameter and calculate and derive, finally obtain diagnostic result,
Maintenance mode and solution are matched by diagnostic result again, it is final to merge generation electronic report, again return to customer unit simultaneously
Air-conditioning diagnostic result, maintenance mode and solution are shown to user.
Above-mentioned various dimensions multi-layer data interaction calculating is referred to from the warm and humid dimension of automobile local environment, air conditioning for automobiles freezing
The high bottom pressure dimension of oil, refrigerant, Air Conditioning, the automatically controlled dimension of air conditioning for automobiles, genuine data dimension obtain air conditioning for automobiles failure and examine
Disconnected base support data obtain automobile VI N by client unit, parse vehicle system model data, then being open to traffic was vehicle number
According to the first level genuine comparing of progress, as judged vehicle air conditioning outlet temperature in embodiment, if be more than that genuine is normal
Parameter value.After obtaining a result, the second hierarchical data interactive computing is carried out.After in embodiment, if the air outlet temperature of air-conditioning with
Genuine data are not met, then joint motor local environment temperature and environment temperature are associated data interaction calculating, are obtained a result
Third layer grade data interactive computing is carried out afterwards, and third level passes through the data interaction meter of air-conditioning high-low pressure data and the second level
Row data interactive computing is added, is judged on second layer data result, whether air conditioning for automobiles high-low pressure belongs to normal level, mentions
Out after result, the 4th hierarchical data interactive computing is carried out.After in embodiment, the 4th level interactive computing passes through third level meter
Calculate as a result, be added condenser inlet temperature interact calculatings, after obtaining a result, addition air conditioner filter element performance, refrigeration oil performance,
Air filtering core performance carries out layer 5 interactive computing.Finally according to second layer result, third layer, the 4th, layer 5 result again into
The matching of row integrated data interactive computing obtains diagnosis knot, maintenance mode and solution.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to the protection scope of invention.
Claims (5)
1. a kind of air conditioning for automobiles fault diagnosis system, which is characterized in that including client unit, the temperature being connect with client unit
Humidity and wind detection module, the pressure detecting module for connecting with client unit and obtaining pressure value are connect with client unit
Fluid detection module, the filter check module that is connect with client unit, and connect with client unit and pass through various dimensions
The service end unit of air-conditioning diagnostic result and maintenance program is calculated in multi-layer data interaction；
The result of calculating and scheme are returned to client unit by the service end unit, and client unit shows result later
And scheme.
2. a kind of air conditioning for automobiles fault diagnosis system according to claim 1, which is characterized in that the temperature and humidity wind speed
Detection module includes the environment temperature meter of ambient air temperature and ambient atmospheric humidity where measuring current vehicle, and measurement air-conditioning goes out
The infrared thermometer of draught temperature, condenser inlet temperature and condensator outlet temperature, and measurement air-conditioner air outlet wind speed
Air humidity detector；
Environment temperature meter, infrared thermometer and the air humidity detector is connect with client unit.
3. a kind of air conditioning for automobiles fault diagnosis system according to claim 1, which is characterized in that the pressure detecting mould
Block includes the refrigerant table group for obtaining air-conditioning current high-pressure and low pressure value；
The refrigerant table group is connect with client unit.
4. a kind of air conditioning for automobiles fault diagnosis system according to claim 1, which is characterized in that the fluid detection mould
Block includes that whether measurement refrigeration oil insufficient or exceeded air conditioner comprehensive failure diagnostic apparatus.
5. a kind of air conditioning for automobiles fault diagnosis system according to claim 1, which is characterized in that the filter check mould
Block is that judge whether air conditioner filter element and air filtering core have dirty.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810911170.3A CN109062185A (en) | 2018-08-10 | 2018-08-10 | A kind of air conditioning for automobiles fault diagnosis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810911170.3A CN109062185A (en) | 2018-08-10 | 2018-08-10 | A kind of air conditioning for automobiles fault diagnosis system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109062185A true CN109062185A (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810911170.3A Pending CN109062185A (en) | 2018-08-10 | 2018-08-10 | A kind of air conditioning for automobiles fault diagnosis system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (5)
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| CN203533806U (en) * | 2013-10-08 | 2014-04-09 | 厦门金龙汽车空调有限公司 | Remote intelligent monitoring system of automobile air conditioner device |
| CN204853837U (en) * | 2015-08-31 | 2015-12-09 | 山东建筑大学 | Air conditioner fault diagnostic based on body |
| US20160133068A1 (en) * | 2014-11-12 | 2016-05-12 | Henry C. Chu | Diagnostic device for vehicle |
| CN106382726A (en) * | 2016-09-09 | 2017-02-08 | 深圳市共济科技股份有限公司 | Fault positioning method and system of precise air conditioner equipment |
| CN206067423U (en) * | 2016-09-30 | 2017-04-05 | 安徽江淮汽车集团股份有限公司 | A kind of air conditioning for automobiles diagnostic system and air conditioning for automobiles |
-
2018
- 2018-08-10 CN CN201810911170.3A patent/CN109062185A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203533806U (en) * | 2013-10-08 | 2014-04-09 | 厦门金龙汽车空调有限公司 | Remote intelligent monitoring system of automobile air conditioner device |
| US20160133068A1 (en) * | 2014-11-12 | 2016-05-12 | Henry C. Chu | Diagnostic device for vehicle |
| CN204853837U (en) * | 2015-08-31 | 2015-12-09 | 山东建筑大学 | Air conditioner fault diagnostic based on body |
| CN106382726A (en) * | 2016-09-09 | 2017-02-08 | 深圳市共济科技股份有限公司 | Fault positioning method and system of precise air conditioner equipment |
| CN206067423U (en) * | 2016-09-30 | 2017-04-05 | 安徽江淮汽车集团股份有限公司 | A kind of air conditioning for automobiles diagnostic system and air conditioning for automobiles |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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