CN202693758U - Automatic test system for direction switch of electronic door and window of automobile - Google Patents
Automatic test system for direction switch of electronic door and window of automobile Download PDFInfo
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- CN202693758U CN202693758U CN2012202685866U CN201220268586U CN202693758U CN 202693758 U CN202693758 U CN 202693758U CN 2012202685866 U CN2012202685866 U CN 2012202685866U CN 201220268586 U CN201220268586 U CN 201220268586U CN 202693758 U CN202693758 U CN 202693758U
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Abstract
The utility model discloses an automatic test system for a direction switch of an electronic door and a window of an automobile. The automatic test system comprises a computer, a communication unit, a data acquisition unit, a test unit, a multipath switching unit and a programmable direct current power supply, wherein the multipath switching unit used for switching and stimulating the pin of a to-be-tested product is connected with the to-be-tested product; the data acquisition unit is used for acquiring the voltage and current data of the pin of the to-be-test product; the data acquisition unit and the multipath switching unit are connected with the test unit; the communication unit is connected with the computer; the test unit is connected with the communication unit and then used for communicating with the computer so as to switch a control instruction and the data acquiring by the data acquisition unit; and the programmable direct current power supply is connected with the communication unit and controlled by the control instruction sent by the computer so as to output a voltage. The automatic test system disclosed by the utility model can be used for realizing the accurate measurement and acquisition for the data and realizing the tracing management on the product test data.
Description
Technical field
The utility model relates to the road vehicle component field tests, is specifically related to a kind of Auto-Test System of automotive electronics door and window direction switch.
Background technology
At automobile electronics, before formally coming into operation, manufacturer all needs product is carried out to strict test, and at present for the test of automobile electronics, mostly adopts single-chip microcomputer easily-testing box to do measurement, thereby completes the judgement to this properties of product quality.But, according to the requirement of ISO16949, the automobile electronics test macro need to have the tracing function to product, but do measuring unit with single-chip microcomputer, can't realize management and the database storage to test data.In addition, have now and only rely on single-chip microcomputer to test as testing apparatus, its control accuracy and stability are all bad, often cause the product line to stop line.
Summary of the invention
The utility model purpose is for the existing deficiency of prior art, and a kind of automotive electronics door and window direction switch Auto-Test System is provided, and it has realized accurate measurement and the collection of data, and realizes the tracing management to the product test data.
In order to solve these problems of the prior art, the technical scheme that the utility model provides is:
A kind of automotive electronics door and window direction switch Auto-Test System, it comprises computing machine, communication unit, data acquisition unit, test cell, the multichannel switch unit, programme-controlled dc power, for the multichannel switch unit that switches excitation pins of products to be measured, with product to be measured, be connected, described data acquisition unit gathers electric current and voltage data on pins of products to be measured, described data acquisition unit, the multichannel switch unit all is connected with described test cell, described communication unit is connected with computing machine, after being connected with communication unit, described test cell exchanges with compunication the data that steering order and data acquisition unit gather, described programme-controlled dc power is connected with communication unit and is subject to computing machine to send the steering order output voltage.
The utility model is by the output voltage values of computer control programme-controlled dc power, gather each pin voltage value of product to be measured by the test cell with the computing machine interconnected communication and the data acquisition unit that is connected with test cell again, and compare with predefined scope (the required technical parameter of realizing) and determine that whether product is qualified, in this test process, can, by the different pins of multichannel switch unit switching stimulation products, make test more convenient flexibly.
For technique scheme, the inventor also has further Optimized Measures.
Further, described test macro also comprises solid-state relay, load, voltage shunt and signal processing unit, the output pin of described product to be measured is connected with solid-state relay, described solid-state relay is connected with load, described load is with after the voltage shunt is connected, described voltage shunt is connected with product to be measured, signal processing unit, and described signal processing unit sends data to the data acquisition unit be connected with this signal processing unit after current value is converted to voltage.This prioritization scheme, make test macro can test the output of products magnitude of voltage under the different conditions load, makes more accurate and effective of test result.
Further, described test macro also comprises that described bar code scanner is connected with computing machine for scanning the bar code scanner of product two-dimensional bar code to be measured, and the two-dimensional bar code that computing machine obtains according to scanning is stored the corresponding test result of this product to be measured.Because two-dimensional bar code and product to be measured are one to one, set up corresponding son file according to the product two-dimensional bar code in database, be convenient on the one hand the orderly typing of test data, the data that also are more convenient for the product test data are simultaneously reviewed.
Than solution of the prior art, the utility model advantage is:
1. the utility model is described automotive electronics door and window direction switch Auto-Test System, it passes through computer export steering order accurately, magnitude of voltage in conjunction with programme-controlled dc power output appointment, gather again the magnitude of voltage of each pin of product to be measured by data acquisition unit, the accurate test of realization to product to be measured, in addition, the utility model is also in conjunction with different electronic loads, electronic load is connected with product to be measured, test the output current voltage of product to be measured under different loads, further optimize test result.And then promoted testing efficiency when improving measuring accuracy, and reduce the False Rate of test, production efficiency is improved greatly;
2. the utility model adopts bar code scanner technology to analyze product to be measured, a corresponding unique bar code of product, the bar code obtained according to scanning as database, can well realize product and quality management and control and retrospective to auto parts and components by the data storage.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
The one-piece construction schematic diagram that Fig. 1 is the utility model embodiment.
Embodiment
Below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiment are not limited to limit the scope of the invention for the present invention is described.The implementation condition adopted in embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.
Embodiment:
The present embodiment has been described a kind of automotive electronics door and window direction switch Auto-Test System, its one-piece construction as shown in Figure 1, it comprises computing machine, communication unit, data acquisition unit, test cell, the multichannel switch unit, programme-controlled dc power and bar code scanner, for the multichannel switch unit that switches excitation pins of products to be measured, with product to be measured, be connected, described data acquisition unit gathers electric current and voltage data on pins of products to be measured, described data acquisition unit, the multichannel switch unit all is connected with described test cell, described communication unit is connected with computing machine, after being connected with communication unit, described test cell exchanges with compunication the data that steering order and data acquisition unit gather, described programme-controlled dc power is connected with communication unit and is subject to computing machine to send the steering order output voltage.For the bar code scanner that scans product two-dimensional bar code to be measured, with computing machine, be connected, the two-dimensional bar code that computing machine obtains according to scanning is stored in the corresponding test result of this product to be measured in Computer Database, is convenient to data and reviews.
Described test macro also comprises solid-state relay, load, voltage shunt and signal processing unit, the output pin of described product to be measured is connected with solid-state relay, described solid-state relay is connected with load, described load is with after the voltage shunt is connected, described voltage shunt is connected with product to be measured, signal processing unit, and described signal processing unit sends data to the data acquisition unit be connected with this signal processing unit after current value is converted to voltage.
Specifically, when being tested, specifically comprise following testing procedure:
One. determine between pins of products whether have short circuit by the resistance of testing between pins of products to be measured.By computing machine, programme-controlled dc power is sent to steering order, programme-controlled dc power is exported a 3-4Vdc (10mA) voltage according to instruction after receiving steering order by communication unit, use a pin of Anduo County road switch unit stimulation products simultaneously, by data acquisition unit, gather other pin voltage-to-ground data.Calculate resistance value by Ohm law, computing machine compares resistance value with predefined scope, judges whether to exist short circuit;
Two. the current value consumed during measurement products work.Magnitude of voltage while by computing machine, sending the work of steering order control programme-controlled dc power output products, light the product backlight, now the flow through current value of product of Usage data collection unit testing, and unit, communication unit are beamed back computing machine after tested by these data, computing machine compares current value with predefined scope, judge whether product institute current sinking value exceeds standard;
Three. with the pattern of voltage signal, detect the output function of product to be measured.According to predefined testing procedure and parameter, computing machine is powered up product by controlling programme-controlled dc power.Export each obstructed magnitude of voltage by the computer control programme-controlled dc power, and by the data acquisition unit collection output voltage values now.Computing machine compares output voltage values with predefined scope, whether judgement output is normal;
Four. under the load of different conditions, the output current voltage function of test products.By the computer control programme-controlled dc power, it is product power supply to be measured, the solid-state relay energising is closed, thereby for the electronic load module loads by setting value, then by voltage shunt and signal processing unit, by current conversion, be that voltage is convenient to the data acquisition unit collection, finally converse the day part current value by computing machine by Ohm law again, realize the detection of the output current voltage under load to product to be measured.
The product Quick Response Code that above-mentioned test result all obtains according to bar code scanner scanning is distinguished storage in database, is convenient to data management and data are reviewed.
Above-mentioned example is only explanation technical conceive of the present invention and characteristics, and its purpose is to allow the person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalent transformations that Spirit Essence is done according to the present invention or modification, within all should being encompassed in protection scope of the present invention
.
Claims (3)
1. an automotive electronics door and window direction switch Auto-Test System, it is characterized in that, it comprises computing machine, communication unit, data acquisition unit, test cell, the multichannel switch unit, programme-controlled dc power, for the multichannel switch unit that switches excitation pins of products to be measured, with product to be measured, be connected, described data acquisition unit gathers electric current and voltage data on pins of products to be measured, described data acquisition unit, the multichannel switch unit all is connected with described test cell, described communication unit is connected with computing machine, after being connected with communication unit, described test cell exchanges with compunication the data that steering order and data acquisition unit gather, described programme-controlled dc power is connected with communication unit and is subject to computing machine to send the steering order output voltage.
2. automotive electronics door and window direction switch Auto-Test System according to claim 1, it is characterized in that, described test macro also comprises solid-state relay, load, voltage shunt and signal processing unit, the output pin of described product to be measured is connected with solid-state relay, described solid-state relay is connected with load, described load is with after the voltage shunt is connected, described voltage shunt and product to be measured, signal processing unit is connected, described signal processing unit sends data to the data acquisition unit be connected with this signal processing unit after current value is converted to voltage.
3. automotive electronics door and window direction switch Auto-Test System according to claim 1, it is characterized in that, described test macro also comprises for scanning the bar code scanner of product two-dimensional bar code to be measured, described bar code scanner is connected with computing machine, and the two-dimensional bar code that computing machine obtains according to scanning is stored the corresponding test result of this product to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202685866U CN202693758U (en) | 2012-06-08 | 2012-06-08 | Automatic test system for direction switch of electronic door and window of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202685866U CN202693758U (en) | 2012-06-08 | 2012-06-08 | Automatic test system for direction switch of electronic door and window of automobile |
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| Publication Number | Publication Date |
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| CN202693758U true CN202693758U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012202685866U Expired - Fee Related CN202693758U (en) | 2012-06-08 | 2012-06-08 | Automatic test system for direction switch of electronic door and window of automobile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198925A (en) * | 2014-02-25 | 2014-12-10 | 浙江吉利控股集团有限公司 | Durability test stand for switch of glass lifting device |
| CN104391532A (en) * | 2014-11-07 | 2015-03-04 | 苏州华昌机电有限公司 | Automobile electric window switch temperature and humidity test control circuit |
-
2012
- 2012-06-08 CN CN2012202685866U patent/CN202693758U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198925A (en) * | 2014-02-25 | 2014-12-10 | 浙江吉利控股集团有限公司 | Durability test stand for switch of glass lifting device |
| CN104198925B (en) * | 2014-02-25 | 2017-01-11 | 浙江吉利控股集团有限公司 | Durability test stand for switch of glass lifting device |
| CN104391532A (en) * | 2014-11-07 | 2015-03-04 | 苏州华昌机电有限公司 | Automobile electric window switch temperature and humidity test control circuit |
| CN104391532B (en) * | 2014-11-07 | 2017-02-01 | 苏州瑞延电子科技有限公司 | Automobile electric window switch temperature and humidity test control circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20150608 |
|
| EXPY | Termination of patent right or utility model |