CN108052088A - A kind of automotive air-conditioning controller shows information Auto-Test System - Google Patents
A kind of automotive air-conditioning controller shows information Auto-Test System Download PDFInfo
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- CN108052088A CN108052088A CN201711262500.2A CN201711262500A CN108052088A CN 108052088 A CN108052088 A CN 108052088A CN 201711262500 A CN201711262500 A CN 201711262500A CN 108052088 A CN108052088 A CN 108052088A
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- test
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- lcd screen
- automotive air
- conditioning controller
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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
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0221—Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to on-board air conditioner technical fields, more particularly to a kind of automotive air-conditioning controller shows information Auto-Test System, PC machine, test board, the tested automotive air-conditioning controller with segment encode LCD screen and the display information acquisition module for having test software including pre-installation；The display information acquisition module, PC machine, test board and tested air-conditioner controller are electrically connected successively.The goal of the invention of the present invention is that providing a kind of automotive air-conditioning controller shows information Auto-Test System, it solves existing automotive air-conditioning controller using technical solution provided by the invention and shows that information test assists implementation method using image processing tool, either financial cost, or technical costs is all higher, performs the technical issues of timeliness is relatively low.
Description
Technical field
The present invention relates to on-board air conditioner technical fields more particularly to a kind of automotive air-conditioning controller to show that information is tested automatically
System.
Background technology
Control centre of the automotive air-conditioning controller as air conditioning for automobiles, in the R＆D process tested automatically it, it is necessary to
It shows that the judgement of information is realized to its LCD to obtain and automatically judge, and then realizes really automatic test.
Traditional operating method is to assist to realize by image processing tool, since automotive air-conditioning controller shows information phase
To simple, and when testing software function of air-conditioning controller, the LCD of air-conditioner controller is that segment encode is shown, it is only necessary to judge it
Whether show, the test comparison in terms of excessive image displaying quality is not required, therefore assists to realize using image processing tool
Method either financial cost or technical costs for automotive air-conditioning controller LCD shows information test is all higher, holds
Row timeliness is relatively low.
The content of the invention
The goal of the invention of the present invention is that providing a kind of automotive air-conditioning controller shows information Auto-Test System, using this
The technical solution of invention offer solves existing automotive air-conditioning controller and shows that information test is assisted in fact using image processing tool
Existing method, in financial cost, technical costs is higher and performs the technical issues of timeliness is relatively low.
Showing that information is tested automatically in order to solve the above technical problem, the present invention provides a kind of automotive air-conditioning controller is
System, including pre-installation have the PC machine of test software, test board, the tested automotive air-conditioning controller with segment encode LCD screen and
Show information acquisition module；The display information acquisition module, PC machine, test board and tested air-conditioner controller are electrical successively
Connection；
The PC machine for exporting the operation information of test cases to the test board, receives the display information
The detection signal of acquisition module input, compares the corresponding picture signal of the operation information and the detection signal, and exports
Examining report with comparing result；
The test board for simulating air-conditioner controller button, knob-operated, is produced according to the operation information of the PC machine
Raw concrete operations signal output gathers the tested air-conditioner controller feedack to the tested air-conditioner controller；
The tested air-conditioner controller for receiving the concrete operations signal of the test board, and is made in segment encode LCD screen
Go out respective response；
The display information acquisition module is right against the segment encode LCD screen of the tested air-conditioner controller, for by described section
The picture signal that code LCD screen is shown is converted into detection signal.
Preferably, the display information acquisition module includes photoelectric detective circuit, encoder and MCU；The Photoelectric Detection
Circuit is identified for each block diagram mark to the segment encode LCD screen and is converted to high level or low level block information；
The encoder, for being encoded to the block information；The MCU, for the code conversion for obtaining the encoder
For the serial data stream for meeting RS232 communication protocols of standard.
Preferably, the photoelectric detective circuit include be right against the segment encode LCD screen photodiode and with it is described
The LM339 detection chips of photodiode connection.
Preferably, the photoelectric detective circuit is identified each block diagram mark of the segment encode LCD screen and is converted to height
During level or low level block information；The photodiode knows each block diagram mark of the segment encode LCD screen
Not, that piece lighted in the segment encode LCD screen generates low level signal by the LM339 detection chips, is not lit
That piece pass through the LM339 detection chips generate high level signal.
Preferably, the PC machine further includes camera, for being acquired amplification to the image in the segment encode LCD screen.
Preferably, the test software of prepackage is Vector CANoe softwares in the PC machine.
Preferably, programmable power supply and D.C. regulated power supply are further included；The programmable power supply, for the test board
Card and tested air-conditioner controller provide regulated power supply；The D.C. regulated power supply, for the test board and tested air-conditioning
Controller provides fixed power source.
Therefore following advantageous effect can be reached using technical solution provided by the invention：The present invention passes through display
The pattern that information acquisition module shows the segment encode LCD screen for being tested air-conditioner controller is acquired, the test pre-installed by PC machine
Software tests display pattern automatically, realizes the modularity control of system, realizes the high reusability of system；It is automatic by program
Judge test result, avoid the result erroneous judgement of human factor generation；For visual identifying system, the method is at low cost
It is honest and clean, it is easy to accomplish.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the present invention will be implemented below
Attached drawing is briefly described needed in the description of example or the prior art.It should be evident that the accompanying drawings in the following description
Only part of the embodiment of the invention, for those of ordinary skill in the art, in not making the creative labor property
Under the premise of, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 connects block diagram for system of the embodiment of the present invention；
Fig. 2 is software design block diagram of the embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes.Obviously, described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment belongs to the scope of protection of the invention.
Since when testing software function of air-conditioning controller, the LCD of air-conditioner controller is that segment encode is shown, it is only necessary to be judged
Whether it shows, therefore using image processing tool implementation method is assisted to show information test for automotive air-conditioning controller LCD
For either financial cost or technical costs it is all higher, perform timeliness it is relatively low.
In order to solve the above-mentioned technical problem, Fig. 1-2 is referred to, the present embodiment provides a kind of automotive air-conditioning controllers 30 to show
Information Auto-Test System has the PC machine 10, test board 20, the quilt with segment encode LCD screen 31 of test software including pre-installation
Survey automotive air-conditioning controller 30 and display information acquisition module 40；Show information acquisition module 40, PC machine 10, test board 20
And tested air-conditioner controller 30 is electrically connected successively.
Further include programmable power supply 50 and D.C. regulated power supply 60.Programmable power supply 50, for test board 20 and by
It surveys air-conditioner controller 30 and regulated power supply is provided；D.C. regulated power supply 60, for test board 20 and tested air-conditioner controller 30
Fixed power source is provided.
Wherein PC machine 10 for exporting the operation information of test cases to test board 20, receiving and showing information gathering
The detection signal that module 40 inputs, the corresponding picture signal of contrast operation's information and detection signal, and export to have and compare knot
The examining report of fruit.Since automotive air-conditioning controller 30 provided in this embodiment shows that the programming of information Design of Automatic Test System is real
The CAPL language of Vector CANoe softwares is now based primarily upon, the test software of prepackage is in PC machine 10 in the present embodiment
Vector CANoe softwares.
Test board 20 for simulating 30 button of air-conditioner controller, knob-operated, is generated according to the operation information of PC machine 10
Concrete operations signal output gathers 30 feedack of tested air-conditioner controller to tested air-conditioner controller 30.
Tested air-conditioner controller 30, for receiving the concrete operations signal of test board 20, and makes segment encode LCD screen 31
Respective response.
Display information acquisition module 40 is right against the segment encode LCD screen 31 of tested air-conditioner controller 30, for by segment encode LCD screen
The picture signal of 31 displays is converted into detection signal, which is level signal and data flow.It includes Photoelectric Detection electricity
Road 41, encoder 42 and MCU43.Photoelectric detective circuit 41 is identified and turns for each block diagram mark to segment encode LCD screen 31
It is changed to high level or low level block information；Encoder 42, for being encoded to block information；MCU43, for that will encode
The code conversion that device 42 obtains is the serial data stream for meeting RS232 communication protocols of standard.
Specifically, since the segment encode LCD screen 31 for being tested air-conditioner controller 30 is that segment encode is shown, according to segment encode LCD screen 31
Characteristic, photoelectric detective circuit 41 include being right against the photodiode 411 of segment encode LCD screen 31 and connect with photodiode 411
The LM339 detection chips 412 connect.Photoelectric detective circuit 41 is identified and is converted to each block diagram mark of segment encode LCD screen 31
During high level or low level block information；Photodiode 411 knows each block diagram mark of segment encode LCD screen 31
Not, that piece lighted in segment encode LCD screen 31 by LM339 detection chips 412 generate level signal (such as low level), not by
That piece lighted generates level signal (such as high level) by LM339 detection chips 412；Followed by encoder 42 to institute
These insighted other block informations are encoded, and the serial data for meeting RS232 communication protocols of standard is converted to by MCU43
Stream.
Rule parsing under the test software control of PC machine 10 is self-defined goes out the icon information of actual displayed on LCD, with the phase
Hope that result is compared, so as to judge to mistake.
In order to improve the accuracy that display information acquisition module 40 gathers icon, PC machine 10 further includes camera, is used for
Amplification is acquired to the image in segment encode LCD screen 31, each segment encode icon is identified convenient for photodiode.
Auto-Test System provided in this embodiment is by showing segment encode of the information acquisition module to tested air-conditioner controller
The pattern that LCD screen is shown is acquired, and the test software pre-installed by PC machine tests display pattern automatically, realizes system
Modularity control, realize the high reusability of system；By procedure judges test result, the knot that human factor generates is avoided
Fruit is judged by accident；For visual identifying system, the method is of low cost, it is easy to accomplish.
Embodiments described above does not form the restriction to the technical solution protection domain.It is any in above-mentioned implementation
Modifications, equivalent substitutions and improvements made within the spirit and principle of mode etc., should be included in the protection model of the technical solution
Within enclosing.
Claims (7)
1. a kind of automotive air-conditioning controller shows information Auto-Test System, it is characterised in that：There is test software including pre-installation
PC machine, test board, the tested automotive air-conditioning controller with segment encode LCD screen and display information acquisition module；It is described aobvious
Show that information acquisition module, PC machine, test board and tested air-conditioner controller are electrically connected successively；
The PC machine for exporting the operation information of test cases to the test board, receives the display information gathering
The detection signal of module input compares the corresponding picture signal of the operation information and the detection signal, and output has
The examining report of comparing result；
For simulating air-conditioner controller button, knob-operated, tool is generated according to the operation information of the PC machine for the test board
Gymnastics makees signal output to the tested air-conditioner controller, and gathers the tested air-conditioner controller feedack；
The tested air-conditioner controller for receiving the concrete operations signal of the test board, and makes phase in segment encode LCD screen
It should respond；
The display information acquisition module is right against the segment encode LCD screen of the tested air-conditioner controller, for by the segment encode LCD
The picture signal of screen display is converted into detection signal.
2. a kind of automotive air-conditioning controller according to claim 1 shows information Auto-Test System, it is characterised in that：Institute
Stating display information acquisition module includes photoelectric detective circuit, encoder and MCU；The photoelectric detective circuit, for described section
Each block diagram mark of code LCD screen is identified and is converted to high level or low level block information；The encoder, for pair
The block information is encoded；The MCU, the code conversion for the encoder to be obtained meet RS232 for standard
The serial data stream of communication protocol.
3. a kind of automotive air-conditioning controller according to claim 2 shows information Auto-Test System, it is characterised in that：Institute
Stating photoelectric detective circuit includes what is be right against the photodiode of the segment encode LCD screen and be connected with the photodiode
LM339 detection chips.
4. a kind of automotive air-conditioning controller according to claim 3 shows information Auto-Test System, it is characterised in that：Institute
Photoelectric detective circuit is stated each block diagram mark of the segment encode LCD screen is identified and is converted to high level or low level block
In information process；Each block diagram mark of the segment encode LCD screen is identified in the photodiode, in the segment encode LCD screen
That piece lighted generates low level signal by the LM339 detection chips, that piece not being lit passes through described
LM339 detection chips generate high level signal.
5. a kind of automotive air-conditioning controller according to claim 4 shows information Auto-Test System, it is characterised in that：Institute
It states PC machine and further includes camera, for being acquired amplification to the image in the segment encode LCD screen.
6. a kind of automotive air-conditioning controller according to claim 5 shows information Auto-Test System, it is characterised in that：Institute
The test software for stating prepackage in PC machine is Vector CANoe softwares.
7. a kind of automotive air-conditioning controller according to claim 6 shows information Auto-Test System, it is characterised in that：Also
Including programmable power supply and D.C. regulated power supply；The programmable power supply, for the test board and tested airconditioning control
Device provides regulated power supply；The D.C. regulated power supply, for providing fixed electricity to the test board and tested air-conditioner controller
Source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711262500.2A CN108052088B (en) | 2017-12-04 | 2017-12-04 | Automatic test system for display information of automobile air conditioner controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711262500.2A CN108052088B (en) | 2017-12-04 | 2017-12-04 | Automatic test system for display information of automobile air conditioner controller |
Publications (2)
| Publication Number | Publication Date |
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| CN108052088A true CN108052088A (en) | 2018-05-18 |
| CN108052088B CN108052088B (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711262500.2A Active CN108052088B (en) | 2017-12-04 | 2017-12-04 | Automatic test system for display information of automobile air conditioner controller |
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| Publication number | Publication date |
|---|---|
| CN108052088B (en) | 2021-01-05 |
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