CN111665825A - Fault detection method and fault detection system for automobile air conditioner controller - Google Patents
Fault detection method and fault detection system for automobile air conditioner controller Download PDFInfo
- Publication number
- CN111665825A CN111665825A CN202010585485.0A CN202010585485A CN111665825A CN 111665825 A CN111665825 A CN 111665825A CN 202010585485 A CN202010585485 A CN 202010585485A CN 111665825 A CN111665825 A CN 111665825A
- Authority
- CN
- China
- Prior art keywords
- signal
- air conditioner
- voltage
- fault
- defrosting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- G05B23/0267—Fault communication, e.g. human machine interface [HMI]
- G05B23/027—Alarm generation, e.g. communication protocol; Forms of alarm
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a fault detection method and a fault detection system for an automobile air conditioner controller, wherein the fault detection method comprises the following steps: setting different control signals associated with the controller; collecting voltage data under different control signals; analyzing the voltage data, and judging whether equipment corresponding to the voltage data has faults or not; displaying fault information related to the fault equipment or the fault point on a screen; and acousto-optic warning the fault information. The invention can conveniently and automatically detect the electric signal of the automatic air conditioner controller of the automobile under the condition of not obviously increasing the hardware cost and the labor cost, and the detection process is extremely short; the electric fault is effectively and quickly identified, fault information is given, the fault position is indicated, whether fault repair can be carried out is prompted, an acousto-optic alarm is given, the phenomenon of misjudgment cannot occur, and the accuracy rate basically reaches 100%.
Description
Technical Field
The invention belongs to the technical field of automobile air conditioner performance detection, and particularly relates to a fault detection method and a fault detection system for an automobile air conditioner controller.
Background
An automobile air conditioner is a device for realizing refrigeration, heating, ventilation and air purification of air in a carriage. The automobile seat cushion can provide a comfortable riding environment for passengers, reduce the fatigue strength of a driver and improve the driving safety. The automobile air conditioner has become one of the signs for measuring the functions of the automobile. Before the automobile air conditioner leaves a factory, the comprehensive performance detection is required to be carried out on the automobile air conditioner. At present, a universal meter is generally adopted for detecting the conduction relation of a gear switch of an automobile air conditioner controller such as an air blower, a compressor and the like, or the controller is connected with other components for detecting the functions of electric appliances.
Insert the relevant signal terminal with the plug-in components access in the prior art, confirm the conductivity of controller gear switch through the bright going out of observation panel pilot lamp, increased check out test set's hardware cost undoubtedly.
Disclosure of Invention
In view of the above problems, the present invention is directed to solving, at least to some extent, one of the technical problems in the related art. The embodiment of the invention provides a fault detection method for an automobile air conditioner controller, which can conveniently and automatically detect the electric signals of the automobile automatic air conditioner controller under the condition of not obviously increasing hardware cost and labor cost, and has extremely short detection process; the electric fault is effectively and quickly identified, fault information is given, the fault position is indicated, whether fault repair can be carried out is prompted, an acousto-optic alarm is given, the phenomenon of misjudgment cannot occur, and the accuracy rate basically reaches 100%.
In view of the above technical problem, an embodiment of a first aspect of the present invention provides a fault detection method for an automotive air conditioner controller, including: setting different control signals associated with the controller; collecting voltage data under different control signals; analyzing the voltage data, and judging whether equipment corresponding to the voltage data has faults or not; displaying fault information related to the fault equipment or the fault point on a screen; and acousto-optic warning the fault information.
According to one embodiment of the invention, the different control signals associated with the controller include: air volume, temperature, internal and external circulation modes of the air conditioner, an A/C switch signal, a rear defrosting signal, a front defrosting signal and an ignition system switch signal.
The internal and external circulation modes of the air conditioner comprise an internal circulation air conditioner circulation mode and an external circulation air conditioner circulation mode; the different A/C switching signals comprise closing A/C switching signals and opening A/C switching signals; the different rear defrost signals include: a post-shutdown defrost signal and a post-startup defrost signal; the different front defrost signals include: turning off a front defrost signal and turning on a front defrost signal; the different ignition system switching signals include: a high level ignition system switch signal and a low level ignition system switch signal.
According to one embodiment of the invention, setting different control signals associated with the controller comprises: setting the first control signal includes: the air conditioner control system comprises a first threshold air quantity, a second threshold temperature, an external circulation air conditioner circulation mode, an A/C switch closing signal, a defrosting signal after closing, a defrosting signal before opening and a high-level ignition system switch signal.
Setting the second control signal includes: a third threshold air quantity, a fourth threshold temperature, an internal circulation air conditioner circulation mode, an A/C switch signal, a defrosting signal after being turned on and a defrosting signal before being turned off.
Setting the third control signal includes: zero air volume, zero temperature, no different control signals related to the controller are set.
According to one embodiment of the invention, the voltage data comprises: the control circuit comprises a blower voltage, a temperature air door feedback voltage, a mode air door feedback voltage, an alternating current request signal switch voltage, a rear defrosting voltage, a front defrosting voltage and an ignition system switch signal pin voltage.
In a second aspect, the present invention discloses a fault detection system for an automotive air conditioning controller, the fault detection system comprising: the device comprises an automatic control module, a fault detection module, an operation processing module, a touch screen display module and an alarm indication module.
The automatic control module is used for setting different control signals related to the controller.
And the fault detection module is used for acquiring voltage data under different control signals.
And the operation processing module is used for analyzing the voltage data and judging whether equipment corresponding to the voltage data has faults or not.
And the touch screen display module is used for displaying fault information related to fault equipment or fault points on a screen.
And the alarm indication module is used for acousto-optic warning of the fault information.
According to an embodiment of the invention, the different control signals associated with the controller comprise: air volume, temperature, internal and external circulation modes of the air conditioner, an A/C switch signal, a rear defrosting signal, a front defrosting signal and an ignition system switch signal.
The internal and external circulation modes of the air conditioner comprise an internal circulation air conditioner circulation mode and an external circulation air conditioner circulation mode; the different A/C switching signals comprise closing A/C switching signals and opening A/C switching signals; the different rear defrost signals include: a post-shutdown defrost signal and a post-startup defrost signal; the different front defrost signals include: turning off a front defrost signal and turning on a front defrost signal; the different ignition system switching signals include: a high level ignition system switch signal and a low level ignition system switch signal.
The automatic control module comprises a first control unit, a second control unit and a third control unit, wherein the first control unit is used for setting a first control signal, and the first control signal comprises: the air conditioner control system comprises a first threshold air quantity, a second threshold temperature, an external circulation air conditioner circulation mode, an A/C switch closing signal, a defrosting signal after closing, a defrosting signal before opening and a high-level ignition system switch signal.
The second control unit is configured to set a second control signal, and the first control signal includes: a third threshold air quantity, a fourth threshold temperature, an internal circulation air conditioner circulation mode, an A/C switch signal, a defrosting signal after being turned on and a defrosting signal before being turned off.
The third control unit is configured to set a third control signal, the third control signal including: zero air volume, zero temperature, no different control signals related to the controller are set.
The voltage data includes: the control circuit comprises a blower voltage, a temperature air door feedback voltage, a mode air door feedback voltage, an alternating current request signal switch voltage, a rear defrosting voltage, a front defrosting voltage and an ignition system switch signal pin voltage.
A third aspect of the present invention discloses an electronic device, characterized by comprising a processor and a memory. The processor runs a program corresponding to the executable program code by reading the executable program code stored in the memory, so as to realize the above-mentioned fault detection method for the vehicle air conditioner controller.
A fourth aspect of the present invention discloses a non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the above-described fault detection method for a vehicle air conditioner controller.
The invention achieves the technical effects that: the invention discloses a more efficient, more reasonable and more accurate fault detection method for an automobile air conditioner controller. The invention can conveniently and automatically detect the electric signal of the automatic air conditioner controller of the automobile under the condition of not obviously increasing the hardware cost and the labor cost, and the detection process is extremely short; the electric fault is effectively and quickly identified, fault information is given, the fault position is indicated, whether fault repair can be carried out is prompted, an acousto-optic alarm is given, the phenomenon of misjudgment cannot occur, and the accuracy rate basically reaches 100%.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a flow chart of a fault detection method for an automotive air conditioning controller according to an embodiment of the present invention;
fig. 2 is a block diagram of a fault detection system for an air conditioner controller of a vehicle according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the embodiments of the present invention.
The automatic air conditioner of the automobile can automatically adjust the temperature, the humidity, the cleanliness, the air quantity, the wind direction and the like of the air in the automobile, and provides a good and comfortable riding environment for passengers.
The search for a more reasonable, more efficient and safer automatic detection and early warning method for the automatic air conditioner of the automobile is one of the contents of the research of the invention.
The invention aims to provide a reasonable, efficient and safe method and device for automatically detecting and alarming an automobile air conditioner controller. The invention is composed of an automatic air conditioner controller module of an automobile, a display touch screen display module, an alarm indication module, an automatic control module, an automatic detection module and an operation processing module, wherein input and output signals of an air conditioner controller are subjected to grouping parallel test, the input and output signals of the same group are not required to be correlated with each other, and can be divided into a group of parallel tests as long as the input and output signals are not influenced by each other, so that the test time is saved, the automatic detection method of the automatic air conditioner controller of the automobile can be suitable for the automatic detection of other air conditioner controllers by slightly adjusting the input and output signals in the test step, and the scheme of the automatic detection method for the faults of the automatic air conditioner controller of the automobile is as:
as shown in fig. 1, the fault detection method for the air conditioner controller of the automobile comprises the following steps:
s1: setting different control signals associated with the controller;
various control signals associated with the controller, including: air volume, temperature, internal and external circulation modes of the air conditioner, an A/C switch signal, a rear defrosting signal, a front defrosting signal and an ignition system switch signal.
Setting various control signals associated with the controller, including: setting air quantity with different thresholds, temperature with different thresholds, different internal and external circulation modes of the air conditioner, different A/C switching signals, different rear defrosting signals, different front defrosting signals and different ignition system switching signals.
The internal and external circulation modes of the air conditioner comprise an internal circulation air conditioner circulation mode and an external circulation air conditioner circulation mode; the different A/C switching signals comprise closing A/C switching signals and opening A/C switching signals; the different rear defrost signals include: a post-shutdown defrost signal and a post-startup defrost signal; the different front defrost signals include: turning off a front defrost signal and turning on a front defrost signal; the different ignition system switching signals include: a high level ignition system switch signal and a low level ignition system switch signal.
The amount of wind of setting different thresholds, the temperature of different thresholds, the interior extrinsic cycle mode of different air conditioners, different A/C switching signal, different back defrost signal, different preceding defrost signal, different ignition system switching signal include:
setting the first control signal includes: the air conditioner control system comprises a first threshold air quantity, a second threshold temperature, an external circulation air conditioner circulation mode, an A/C switch closing signal, a defrosting signal after closing, a defrosting signal before opening and a high-level ignition system switch signal.
Setting the second control signal includes: a third threshold air quantity, a fourth threshold temperature, an internal circulation air conditioner circulation mode, an A/C switch signal, a defrosting signal after being turned on and a defrosting signal before being turned off.
Setting the third control signal includes: zero air volume, zero temperature, no different control signals related to the controller are set.
S2: and collecting voltage data under the different control signals. The voltage data includes: the control circuit comprises a blower voltage, a temperature air door feedback voltage, a mode air door feedback voltage, an alternating current request signal switch voltage, a rear defrosting voltage, a front defrosting voltage and an ignition system switch signal pin voltage.
S3: and analyzing the voltage data, and judging whether the equipment corresponding to the voltage data has faults or not.
S4: the screen displays failure information related to a failed device or a failure point.
S4: and acousto-optic warning the fault information.
Specifically, after the automobile is started, the automatic fault detection button of the air conditioner is pressed, and the automatic fault detection is started.
And (3) preparing a test, setting the air quantity to be minimum, setting the temperature to be minimum, setting the internal and external circulation to be external circulation, setting the AC request signal to be OFF, setting the rear defrosting signal to be OFF, setting the front defrosting signal to be ON and setting the IGN signal to be high level 12V by an automatic control module of the automatic controller. The automatic detection module detects blower voltage, temperature air door feedback voltage, mode air door feedback voltage, AC switch voltage, rear defrosting voltage, front defrosting voltage and IGN pin voltage. The operation processing module analyzes and judges the acquired data according to preset criteria, wherein the voltage values of (the voltage of a blower is 3.5V, the feedback voltage of a temperature air door is 0.7V, the voltage of a mode air door feedback voltage is 4.4V, AC pin voltage is 0V, the voltage of a rear defrosting voltage is 12V, the voltage of a front defrosting feedback voltage is 5V, IGN pin voltage is 12V), the voltage of a fan, the feedback voltage of the temperature air door, the feedback voltage of the mode air door, the voltage of an A/C switch of an air conditioner compressor, the voltage of the rear defrosting, the voltage of the front defrosting and the voltage of a switch signal pin of an ignition system. If the fault does not exist in the corresponding or related control signal in the threshold range, the display touch screen display module displays fault information and gives a fault position, and the alarm indication module gives out sound and light alarm according to whether the product configuration prompt can automatically repair the fault.
And pressing a mode key, setting the internal circulation and the external circulation as the internal circulation, setting the air quantity to be maximum, setting the temperature to be maximum, setting an AC (alternating current) request signal to be ON, setting a rear defrosting signal to be ON and setting a front defrosting signal to be OFF by an automatic control module of the automatic controller. The automatic detection module detects blower voltage, temperature air door feedback voltage, mode air door feedback voltage, AC switch voltage, rear defrosting voltage, front defrosting voltage and internal and external circulation feedback voltage. The operation processing module analyzes and judges the acquired data according to preset criteria, wherein the voltage values of (the voltage of a blower is 10.5V, the voltage of a temperature air door feedback voltage is 4.4V, the voltage of a mode air door feedback voltage is 1.4V, AC pin is 12V, the voltage of a rear defrosting feedback voltage is 5V, the voltage of a front defrosting voltage is 12V), the voltage of a fan, the voltage of the temperature air door feedback voltage, the voltage of the mode air door feedback voltage, the A/C switch voltage of an air conditioner compressor, the voltage of a rear defrosting voltage, the voltage of a front defrosting voltage and the voltage of an ignition system switch signal pin are. If the fault does not exist in the corresponding or related control signal in the threshold range, the display touch screen display module displays fault information and gives a fault position, and the alarm indication module gives out sound and light alarm according to whether the product configuration prompt can automatically repair the fault.
Pressing the OFF key to send system shutdown command and the automatic control module shuts down the system. The automatic detection module detects the IGN output voltage, the AC switch voltage and the rear defrosting voltage. The operation processing module analyzes and judges the acquired data according to preset criteria, wherein the voltage of an AC pin is 0V, the voltage of a rear defrosting pin is 0V, IGN pin voltage 0V, and if the fault occurs, the display module of the touch screen displays fault information and gives a fault position, and the alarm indicating module gives out audible and visual alarm according to whether the product configuration prompt can automatically repair the fault. Compared with the prior art, the invention provides a reasonable, efficient and more accurate automatic detection method for the automobile automatic air conditioner controller, and adopts a grouping parallel test method under the condition of not obviously increasing hardware cost and labor cost, so that the detection process is extremely short, the operation is convenient in the use process, and the stability is good.
Aiming at the defects of the prior art, the invention discloses a more efficient, more reasonable and more accurate automatic detection method for an automatic air conditioner controller of an automobile. The invention can conveniently and automatically detect the electric signal of the automatic air conditioner controller of the automobile under the condition of not obviously increasing the hardware cost and the labor cost, and the detection process is extremely short. The electric fault is effectively identified, the fault information is given, the fault position is indicated, whether fault repair can be carried out is prompted, an acousto-optic alarm is given, the phenomenon of misjudgment cannot occur, and the accuracy rate basically reaches 100%.
As shown in fig. 2, a second aspect of the present invention discloses a fault detection system for an air conditioner controller of a vehicle, the fault detection system comprising: the device comprises an automatic control module, a fault detection module, an operation processing module, a touch screen display module and an alarm indication module. The input and output signals of the air conditioner controller are subjected to grouping parallel test, the input and output signals of the same group are not required to be correlated with each other, the input and output signals can be divided into a group of parallel tests as long as the input and output signals are not interfered with each other, so that the test time is saved, the automatic detection method of the automobile air conditioner controller is explained by taking a product of a company as an example, and the input and output signals in the test step can be suitable for the automatic detection of other air conditioner controllers by slightly adjusting the input and output signals.
The automatic control module is used for setting different control signals related to the controller.
And the fault detection module is used for acquiring voltage data under different control signals.
And the operation processing module is used for analyzing the voltage data and judging whether equipment corresponding to the voltage data has faults or not.
And the touch screen display module is used for displaying fault information related to fault equipment or fault points on a screen.
And the alarm indication module is used for acousto-optic warning of the fault information.
According to an embodiment of the invention, the different control signals associated with the controller comprise: air volume, temperature, internal and external circulation modes of the air conditioner, an A/C switch signal, a rear defrosting signal, a front defrosting signal and an ignition system switch signal.
Setting various control signals associated with the controller, including: setting air quantity with different thresholds, temperature with different thresholds, different internal and external circulation modes of the air conditioner, different A/C switching signals, different rear defrosting signals, different front defrosting signals and different ignition system switching signals.
The internal and external circulation modes of the air conditioner comprise an internal circulation air conditioner circulation mode and an external circulation air conditioner circulation mode; the different A/C switching signals comprise closing A/C switching signals and opening A/C switching signals; the different rear defrost signals include: a post-shutdown defrost signal and a post-startup defrost signal; the different front defrost signals include: turning off a front defrost signal and turning on a front defrost signal; the different ignition system switching signals include: a high level ignition system switch signal and a low level ignition system switch signal.
The automatic control module comprises a first control unit, a second control unit and a third control unit, wherein the first control unit is used for setting a first control signal, and the first control signal comprises: the air conditioner control system comprises a first threshold air quantity, a second threshold temperature, an external circulation air conditioner circulation mode, an A/C switch closing signal, a defrosting signal after closing, a defrosting signal before opening and a high-level ignition system switch signal.
The second control unit is configured to set a second control signal, and the first control signal includes: a third threshold air quantity, a fourth threshold temperature, an internal circulation air conditioner circulation mode, an A/C switch signal, a defrosting signal after being turned on and a defrosting signal before being turned off.
The third control unit is configured to set a third control signal, the third control signal including: zero air volume, zero temperature, no different control signals related to the controller are set.
The voltage data includes: the control circuit comprises a blower voltage, a temperature air door feedback voltage, a mode air door feedback voltage, an alternating current request signal switch voltage, a rear defrosting voltage, a front defrosting voltage and an ignition system switch signal pin voltage.
A third aspect of the present invention discloses an electronic device, characterized by comprising a processor and a memory. The processor runs a program corresponding to the executable program code by reading the executable program code stored in the memory, so as to realize the above-mentioned fault detection method for the vehicle air conditioner controller.
A fourth aspect of the present invention discloses a non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the above-described fault detection method for a vehicle air conditioner controller.
The invention achieves the technical effects that: the invention discloses a more efficient, more reasonable and more accurate fault detection method for an automobile air conditioner controller. The invention can conveniently and automatically detect the electric signal of the automatic air conditioner controller of the automobile under the condition of not obviously increasing the hardware cost and the labor cost, and the detection process is extremely short; the electric fault is effectively and quickly identified, fault information is given, the fault position is indicated, whether fault repair can be carried out is prompted, an acousto-optic alarm is given, the phenomenon of misjudgment cannot occur, and the accuracy rate basically reaches 100%.
The evaluation and analysis software related to the present invention is not developed by the inventor, and is a technique familiar to those skilled in the art.
It should be understood that the above-described embodiments are merely exemplary for illustrating the application of the present method and are not limiting, and that various other modifications and changes may be made by those skilled in the art based on the above description for studying the related problems. Therefore, the protection scope of the present invention should be defined by the appended claims.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
The above-described embodiments of the electronic device and the like are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may also be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention, and are not limited thereto; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The fault detection method for the automobile air conditioner controller is characterized by comprising the following steps:
setting different control signals associated with the controller;
collecting voltage data under different control signals;
analyzing the voltage data, and judging whether equipment corresponding to the voltage data has faults or not;
displaying fault information related to the fault equipment or the fault point on a screen;
and acousto-optic warning the fault information.
2. The fault detection method of claim 1, wherein the different control signals associated with the controller comprise: air volume, temperature, internal and external circulation modes of the air conditioner, an A/C switch signal, a rear defrosting signal, a front defrosting signal and an ignition system switch signal.
3. The fault detection method according to claim 2, wherein the internal and external circulation modes of the air conditioner include an internal circulation air conditioner circulation mode and an external circulation air conditioner circulation mode; the different A/C switching signals comprise closing A/C switching signals and opening A/C switching signals; the different rear defrost signals include: a post-shutdown defrost signal and a post-startup defrost signal; the different front defrost signals include: turning off a front defrost signal and turning on a front defrost signal; the different ignition system switching signals include: a high level ignition system switch signal and a low level ignition system switch signal.
4. The fault detection method according to any one of claims 1 to 3, wherein the setting of different control signals associated with the controller comprises:
setting the first control signal includes: the air conditioner control method comprises the following steps of firstly, obtaining a first threshold air quantity, a second threshold temperature, an external circulation air conditioner circulation mode, an A/C switch signal, a defrosting signal after the A/C switch signal is turned off, a defrosting signal before the A/C switch signal is turned on, and a high-level ignition system switch signal;
setting the second control signal includes: a third threshold air quantity, a fourth threshold temperature, an internal circulation air conditioner circulation mode, an A/C switch signal, a defrosting signal after being turned on and a defrosting signal before being turned off;
setting the third control signal includes: zero air volume, zero temperature, no different control signals related to the controller are set.
5. The fault detection method of claim 1, wherein the voltage data comprises: the control circuit comprises a blower voltage, a temperature air door feedback voltage, a mode air door feedback voltage, an alternating current request signal switch voltage, a rear defrosting voltage, a front defrosting voltage and an ignition system switch signal pin voltage.
6. A fault detection system for a vehicle air conditioner controller, the fault detection system comprising: the device comprises an automatic control module, a fault detection module, an operation processing module, a touch screen display module and an alarm indication module;
the automatic control module is used for setting different control signals related to the controller;
the fault detection module is used for acquiring voltage data under different control signals;
the operation processing module is used for analyzing the voltage data and judging whether equipment corresponding to the voltage data has faults or not;
the touch screen display module is used for displaying fault information related to fault equipment or fault points on a screen;
and the alarm indication module is used for acousto-optic warning of the fault information.
7. The fault detection system of claim 6, wherein the distinct control signals associated with the controller include: the air volume, the temperature, the internal and external circulation modes of the air conditioner, an A/C switch signal, a rear defrosting signal, a front defrosting signal and an ignition system switch signal;
the internal and external circulation modes of the air conditioner comprise an internal circulation air conditioner circulation mode and an external circulation air conditioner circulation mode; the different A/C switching signals comprise closing A/C switching signals and opening A/C switching signals; the different rear defrost signals include: a post-shutdown defrost signal and a post-startup defrost signal; the different front defrost signals include: turning off a front defrost signal and turning on a front defrost signal; the different ignition system switching signals include: a high level ignition system switch signal and a low level ignition system switch signal.
8. The fault detection system of claim 7, wherein the automatic control module comprises a first control unit, a second control unit, and a third control unit, the first control unit configured to set a first control signal, the first control signal comprising: the air conditioner control method comprises the following steps of firstly, obtaining a first threshold air quantity, a second threshold temperature, an external circulation air conditioner circulation mode, an A/C switch signal, a defrosting signal after the A/C switch signal is turned off, a defrosting signal before the A/C switch signal is turned on, and a high-level ignition system switch signal;
the second control unit is configured to set a second control signal, and the first control signal includes: a third threshold air quantity, a fourth threshold temperature, an internal circulation air conditioner circulation mode, an A/C switch signal, a defrosting signal after being turned on and a defrosting signal before being turned off;
the third control unit is configured to set a third control signal, the third control signal including: zero air volume, zero temperature, no different control signals related to the controller are set.
9. The fault detection system of claim 7, wherein the voltage data comprises: the control circuit comprises a blower voltage, a temperature air door feedback voltage, a mode air door feedback voltage, an alternating current request signal switch voltage, a rear defrosting voltage, a front defrosting voltage and an ignition system switch signal pin voltage.
10. An electronic device comprising a processor and a memory;
the processor runs a program corresponding to the executable program code by reading the executable program code stored in the memory for implementing the fault detection method for the vehicle air conditioner controller as set forth in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010585485.0A CN111665825A (en) | 2020-06-24 | 2020-06-24 | Fault detection method and fault detection system for automobile air conditioner controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010585485.0A CN111665825A (en) | 2020-06-24 | 2020-06-24 | Fault detection method and fault detection system for automobile air conditioner controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111665825A true CN111665825A (en) | 2020-09-15 |
Family
ID=72389758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010585485.0A Pending CN111665825A (en) | 2020-06-24 | 2020-06-24 | Fault detection method and fault detection system for automobile air conditioner controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111665825A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202533093U (en) * | 2012-04-24 | 2012-11-14 | 江苏阿尔特空调实业有限责任公司 | Automobile air conditioner fault code display system |
| CN106853757A (en) * | 2016-12-29 | 2017-06-16 | 江苏阿尔特空调实业有限责任公司 | On-board air conditioner intellectual monitoring safeguards the ECU management and control programs with multilevel security prevention and control |
| CN207000093U (en) * | 2017-04-20 | 2018-02-13 | 安徽江淮汽车集团股份有限公司 | A kind of air-conditioning self-checking system |
| CN109343514A (en) * | 2018-11-21 | 2019-02-15 | 杭州德馨汽车服务有限公司 | The diagnostic system of artificial intelligent type air conditioning for automobiles |
| CN109664716A (en) * | 2018-12-05 | 2019-04-23 | 东风柳州汽车有限公司 | Automobile intelligent air conditioner failure system for prompting and based reminding method |
| US10475468B1 (en) * | 2018-07-12 | 2019-11-12 | Honeywell International Inc. | Monitoring industrial equipment using audio |
-
2020
- 2020-06-24 CN CN202010585485.0A patent/CN111665825A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202533093U (en) * | 2012-04-24 | 2012-11-14 | 江苏阿尔特空调实业有限责任公司 | Automobile air conditioner fault code display system |
| CN106853757A (en) * | 2016-12-29 | 2017-06-16 | 江苏阿尔特空调实业有限责任公司 | On-board air conditioner intellectual monitoring safeguards the ECU management and control programs with multilevel security prevention and control |
| CN207000093U (en) * | 2017-04-20 | 2018-02-13 | 安徽江淮汽车集团股份有限公司 | A kind of air-conditioning self-checking system |
| US10475468B1 (en) * | 2018-07-12 | 2019-11-12 | Honeywell International Inc. | Monitoring industrial equipment using audio |
| CN109343514A (en) * | 2018-11-21 | 2019-02-15 | 杭州德馨汽车服务有限公司 | The diagnostic system of artificial intelligent type air conditioning for automobiles |
| CN109664716A (en) * | 2018-12-05 | 2019-04-23 | 东风柳州汽车有限公司 | Automobile intelligent air conditioner failure system for prompting and based reminding method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8831816B2 (en) | Electrical leakage diagnosis apparatus for vehicle using insulation resistance sensor and control method thereof | |
| US9381816B2 (en) | Method for reconnecting a relay in a vehicle battery management system | |
| US8205461B2 (en) | Method and system for detecting low refrigerant charge and air conditioner protection system | |
| US4827730A (en) | Troubleshooting apparatus for automobile air-conditioning system | |
| CN105584317B (en) | The method and cooling fan controller of cooling fan are controlled in cooling fan controller | |
| US20100049473A1 (en) | Validation process for fault detection of a device | |
| CN113654186B (en) | Air conditioner detection method and device, electronic equipment and storage medium | |
| JP3986121B2 (en) | Method for simulating refrigerant temperature in vehicle by model method | |
| CN109017197A (en) | A kind of air conditioning for automobiles control Auto-Test System | |
| US20210063459A1 (en) | Apparatus and method for analyzing cause of failure due to dielectric breakdown on basis of big data | |
| CN111665825A (en) | Fault detection method and fault detection system for automobile air conditioner controller | |
| CN116736138A (en) | Power battery monitoring method and device, readable storage medium and electronic equipment | |
| CN117054721A (en) | Current automation test circuit, test method and test device | |
| CN111751757A (en) | Fault detection circuit and method for vehicle-mounted indicator lamp | |
| US7197429B2 (en) | Diagnosis system for household electric appliances | |
| CN111002785A (en) | Automobile air conditioner diagnosis method and system and storage medium | |
| CN105181357A (en) | Vehicle air-conditioning system detection method and device | |
| CN115114330A (en) | Data stream display method, data stream display device and terminal equipment | |
| CN113251572B (en) | Exhaust sensor fault detection method and device, air conditioner and storage medium | |
| CN113406415A (en) | Detection method and device for defrosting and demisting device of vehicle-mounted camera | |
| CN112446979A (en) | System and method for analyzing fault cause using numerical data of vehicle device | |
| CN111442468A (en) | Air conditioner, control method and control device thereof, and computer readable storage medium | |
| CN114777287B (en) | Method and device for acquiring pollution degree of indoor unit of air conditioner | |
| CN210181149U (en) | Durability test device for air conditioning system | |
| CN117806292B (en) | Display screen fault diagnosis analysis method, system and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200915 |