CN104216328A - Sensor automatic test system - Google Patents
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- CN104216328A CN104216328A CN201410475507.2A CN201410475507A CN104216328A CN 104216328 A CN104216328 A CN 104216328A CN 201410475507 A CN201410475507 A CN 201410475507A CN 104216328 A CN104216328 A CN 104216328A
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Abstract
The invention relates to a sensor automatic test system, and belongs to the electronic field. The sensor automatic test system comprises a computer, a control box connected with the computer and a test platform connected with the control box, wherein sensor test programs and technical index parameters of various types of sensor are saved in the computer in advance, the control box comprises an alternation and direct current electricity supply module, an electronic load module, a relay module and a motor controller module, and the test platform comprises a control module under the test platform, a relay unit module under the test platform, two test stations, two test mechanisms and a bar code scanner. The sensor automatic test system uses automatic measurement and control, can automatically detect and display common sensor parameters of distances, return difference, pressure drops, cut-off status currents, short circuit protection currents, insulating strength and the like of products, is high in test efficiency and low in missing inspection rate, and reduces consumption of manpower and material resources.
Description
Technical field
The invention belongs to electronic applications, relate to a kind of sensor Auto-Test System.
Background technology
Sensor test board is generally used for sample test, the finished product test of the relevant enterprises such as sensor research and development, production.At present, general sensor test board is the simple and easy little test board of own company design mostly, and some test event of manual adjustments, only has parameter display function, need to be equipped with external application sensor test chi and come together to test out performance index parameter.
General sensor Simple testing table is as the instrument of test sensors performance index parameter, and its test event is few, and function is simply single, can only meet the requirement of the simple test in R & D of complex, and in high volume production process, detection efficiency is low, loss is high.
Summary of the invention
The object of the invention is to for the problems referred to above, the sensor that a kind of detection efficiency is high, loss is low Auto-Test System is provided.
The object of the present invention is achieved like this:
A kind of sensor Auto-Test System, is characterized in that the control box that comprise computing machine, is connected with computing machine and the test board being connected with control box;
Described computing machine prestores the technical indicator parameter of the test procedure of sensor and the sensor of various models;
Described control box comprises the first interface card module being connected with the multifunction card of computing machine by bus, two electric machine controller modules being connected with described first interface card module by bus, indicating card module, three relay card modules, two electronic load modules, expansion card module, the second interface card module, three testing power supply modules, two module working power modules and AC220 isolated controlling module; Described two electric machine controller modules are also connected with two virtual ports of computing machine respectively; The power input of described three testing power supply modules is connected with the power input of two electronic load modules with three relay card modules respectively; The power output end of described AC220 isolated controlling module is also connected with test board working power module; Described one of them testing power supply module is connected with 3000V transformer;
Described test board comprise relay pack module under control module under platform, platform, two test station with two two mechanism for testing that test station is corresponding; Under described platform, control module is connected with test board working power module with relay pack module, two mechanism for testing under expansion card module, platform respectively; Described two mechanism for testing respectively with two electric machine controller modules; Under described platform, relay pack module is connected with the second interface card module, 3000V transformer and two test station respectively;
Described computing machine is transferred corresponding technical indicator parameter according to the model of selected tested sensor, and test signal is sent to control box by bus, distribute the required working power of each module in control box and test board and read the signal of the test station in use, the electric machine controller module work connected according to the signal driver of this test station mechanism for testing corresponding with this test station according to test signal; Then transfer relevant testing power supply module and electronic load according to test event, drive the mechanism for testing on test board according to test signal, tested sensor to be carried out item by item the test of technical indicator, and the every data that record and the technical indicator parameter of transferring are compared; In the time that tested sensor test is defective, shows that on computers test is bad and give the alarm; In the time that tested sensor test is qualified, show on computers test passes.
Further, described test board also comprises the barcode scanner being connected with computing machine; The technical indicator parameter of the sensor of the various models that described computing machine prestores is unique corresponding with various bar codes; Described computing machine is selected the technical indicator parameter of the sensor of respective model by scanning barcode.
Wherein, described three testing power supply modules are respectively 0-80V DC power supplier, 0-300V AC power supply module and 0-3000V AC power supply module; Wherein, the power output end of described 0-3000V AC power supply module is connected with 3000V transformer.
Wherein, described two be respectively-15V-+15V of module working power module power modules and+5-+12V power module, be used to other the various modules in control box that working power is provided.
Wherein, described test board working power module is+24V power module, is used under platform relay pack module under control module and platform that working power is provided.
The course of work of this sensor Auto-Test System is as follows:
Step 1: the bar code information of the sensor that computing machine reception barcode scanner obtains, transfer the technical indicator parameter corresponding with this sensor being pre-stored in computing machine according to this bar code information;
Step 2: computing machine is sent to control box by test signal by bus, distributes the required working power of each module in control box and test board according to this test signal;
Step 3: the signal of the test station in using on read test platform, and the electric machine controller module work connected according to this signal driver mechanism for testing corresponding with this test station;
Step 4: call relevant testing power supply module and electronic load module according to test event;
Step 5: the mechanism for testing on instruction test board is tested item by item to tested sensor, and test result is fed back in computing machine;
Step 6: computing machine compares the test result of feedback and the technical indicator parameter transferred in advance;
Step 7: show comparison result; In the time that tested sensor test is defective, shows on computers " testing bad " and give the alarm; In the time that tested sensor test is qualified, show on computers " test passes ".
Beneficial effect of the present invention is, utilizes automatic measuring and controlling, the distance of testing product automatically, and return difference, pressure drop, cut-off state electric current, short circuit current protection, the conventional sensors parameters such as dielectric strength, and shown; Preserve the technical indicator parameter of the multiple sensor of having edited model, and select by bar code scanning; Can meet the automated test device demand of sensor enterprise production line finished product, improve testing efficiency, loss is low, reduces manpower and materials consumption.
Brief description of the drawings
Fig. 1 is structured flowchart of the present invention.
Fig. 2 is test flow chart of the present invention.
Embodiment
Below in conjunction with specific embodiments and the drawings, further set forth the present invention.
As shown in Figure 1, a kind of sensor Auto-Test System, the control box 200 that comprise computing machine 100, is connected with computing machine 100 and the test board 300 being connected with control box 200.
Described computing machine 100 prestores the technical indicator parameter of the test procedure of sensor and the sensor of various models.
Described control box 200 comprises the first interface card module 201 being connected with the multifunction card of computing machine 100 by bus, two electric machine controller modules being connected with first interface card module 201 by bus 213,214, indicating card module 202, three relay card modules 203,204,205, two electronic load modules 206,209, expansion card module 207, the second interface card module 208, three testing power supply modules 210,211,212, two module working power modules 215,216 and AC220 isolated controlling modules 218; Two electric machine controller modules 213,214 are also connected with two virtual ports of computing machine 100 respectively; The power input of three testing power supply modules 210,211,212 is connected with the power input of two electronic load modules 206,209 with three relay card modules 203,204,205 respectively; The power output end of AC220 isolated controlling module 218 is also connected with test board working power module 217; One of them testing power supply module is connected with 3000V transformer 219.
Wherein, three testing power supply modules 210,211,212 are selected respectively 0-80V DC power supplier 210,0-300V AC power supply module 211 and 0-3000V AC power supply module 212; Be used to testing sensor that power supply is provided; Wherein, the power output end of 0-3000V AC power supply module 212 is also connected with 3000V transformer 219.
Wherein, two module working power module 215,216 be respectively-15V-+15V power modules 215 and+5-+12V power module 216, be used to other the various modules in control box 200 that working power is provided.
Described test board 300 comprises under platform under control module 301, platform relay pack module 302, two test station 303,304 and two mechanism for testing 305,306 corresponding with two test station 303,304; Under platform, control module 301 is connected with test board working power module 217 with relay pack module under expansion card module 207, platform 302, two mechanism for testing 305,306 respectively; Two mechanism for testing 305,306 respectively with two electric machine controller modules 213,214; Under platform, relay pack module 302 is connected with the second interface card module 208,3000V transformer 219 and two test station 303,304 respectively.
Described test board 300 also comprises the barcode scanner 307 being connected with computing machine 100; The technical indicator parameter of the sensor of the various models that computing machine 100 prestores is unique corresponding with various bar codes; Computing machine 100 is selected the technical indicator parameter of the sensor of respective model by scanning barcode.
As shown in Figure 2, job step of the present invention is as follows:
Step 1: the bar code information of the sensor that computing machine reception barcode scanner obtains, transfer the technical indicator parameter corresponding with this sensor being pre-stored in computing machine according to this bar code information;
Step 2: computing machine is sent to control box by test signal by bus, distributes the required working power of each module in control box and test board according to this test signal;
Step 3: the signal of the test station in using on read test platform, and the electric machine controller module work connected according to this signal driver mechanism for testing corresponding with this test station;
Step 4: call relevant testing power supply module and electronic load module according to test event;
Step 5: the mechanism for testing on instruction test board is tested item by item to tested sensor, and test result is fed back in computing machine;
Step 6: computing machine compares the test result of feedback and the technical indicator parameter transferred in advance;
Step 7: show comparison result; In the time that tested sensor test is defective, shows on computers " testing bad " and give the alarm; In the time that tested sensor test is qualified, show on computers " test passes ".
The present invention utilizes automatic measuring and controlling, the distance of testing product automatically, and return difference, pressure drop, cut-off state electric current, short circuit current protection, the conventional sensors parameters such as dielectric strength, and shown; Preserve the technical indicator parameter of the multiple sensor of having edited model, and select by bar code scanning, easily and accurately calling technology index parameter; Two test station are tested in turn and assemble, and have saved the stand-by period of assembling; The present invention can meet the automated test device demand of sensor enterprise production line finished product, improves testing efficiency, and loss is low, reduces manpower and materials consumption.
Claims (6)
1. a sensor Auto-Test System, is characterized in that, the control box that comprise computing machine, is connected with computing machine and the test board being connected with control box;
Described computing machine prestores the technical indicator parameter of the test procedure of sensor and the sensor of various models;
Described control box comprises the first interface card module being connected with the multifunction card of computing machine by bus, two electric machine controller modules being connected with described first interface card module by bus, indicating card module, three relay card modules, two electronic load modules, expansion card module, the second interface card module, three testing power supply modules, two module working power modules and AC220 isolated controlling module; Described two electric machine controller modules are also connected with two virtual ports of computing machine respectively; The power input of described three testing power supply modules is connected with the power input of two electronic load modules with three relay card modules respectively; The power output end of described AC220 isolated controlling module is also connected with test board working power module; Described one of them testing power supply module is connected with 3000V transformer;
Described test board comprise relay pack module under control module under platform, platform, two test station with two two mechanism for testing that test station is corresponding; Under described platform, control module is connected with test board working power module with relay pack module, two mechanism for testing under expansion card module, platform respectively; Described two mechanism for testing respectively with two electric machine controller modules; Under described platform, relay pack module is connected with the second interface card module, 3000V transformer and two test station respectively;
Described computing machine is transferred corresponding technical indicator parameter according to the model of selected tested sensor, and test signal is sent to control box by bus, distribute the required working power of each module in control box and test board and read the signal of the test station in use, the electric machine controller module work connected according to the signal driver of this test station mechanism for testing corresponding with this test station according to test signal; Then transfer relevant testing power supply module and electronic load according to test event, drive the mechanism for testing on test board according to test signal, tested sensor to be carried out item by item the test of technical indicator, and the every data that record and the technical indicator parameter of transferring are compared; In the time that tested sensor test is defective, shows that on computers test is bad and give the alarm; In the time that tested sensor test is qualified, show on computers test passes.
2. sensor Auto-Test System according to claim 1, is characterized in that, described test board also comprises the barcode scanner being connected with computing machine; The technical indicator parameter of the sensor of the various models that described computing machine prestores is unique corresponding with various bar codes; Described computing machine is selected the technical indicator parameter of the sensor of respective model by scanning barcode.
3. sensor Auto-Test System according to claim 1, is characterized in that, described three testing power supply modules are respectively 0-80V DC power supplier, 0-300V AC power supply module and 0-3000V AC power supply module; Wherein, the power output end of described 0-3000V AC power supply module is connected with 3000V transformer.
4. sensor Auto-Test System according to claim 1, is characterized in that, described two be respectively-15V-+15V of module working power module power modules and+5-+12V power module, be used to other the various modules in control box that working power is provided.
5. sensor Auto-Test System according to claim 1, is characterized in that, described test board working power module is+24V power module, is used under platform relay pack module under control module and platform that working power is provided.
6. sensor Auto-Test System according to claim 2, is characterized in that, the course of work of described test macro is as follows:
Step 1: the bar code information of the sensor that computing machine reception barcode scanner obtains, transfer the technical indicator parameter corresponding with this sensor being pre-stored in computing machine according to this bar code information;
Step 2: computing machine is sent to control box by test signal by bus, distributes the required working power of each module in control box and test board according to this test signal;
Step 3: the signal of the test station in using on read test platform, and the electric machine controller module work connected according to this signal driver mechanism for testing corresponding with this test station;
Step 4: call relevant testing power supply module and electronic load module according to test event;
Step 5: the mechanism for testing on instruction test board is tested item by item to tested sensor, and test result is fed back in computing machine;
Step 6: computing machine compares the test result of feedback and the technical indicator parameter transferred in advance;
Step 7: show comparison result; In the time that tested sensor test is defective, shows on computers " testing bad " and give the alarm; In the time that tested sensor test is qualified, show on computers " test passes ".
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104794034A (en) * | 2015-03-24 | 2015-07-22 | 青岛海尔智能家电科技有限公司 | Acceptance check method and device for equipment |
| CN105865507A (en) * | 2016-06-30 | 2016-08-17 | 郑虚新 | Sensor testing system |
| CN106023663A (en) * | 2016-07-15 | 2016-10-12 | 中北大学 | Teaching experiment batch detection system based on stabilized platform |
| CN106197519A (en) * | 2016-08-30 | 2016-12-07 | 欧朗电子科技有限公司 | High stable automotive electronics safety sensor identifies test system automatically |
| CN106932004A (en) * | 2017-03-27 | 2017-07-07 | 上海与德科技有限公司 | The detection method and device of a kind of sensor |
| CN110389293A (en) * | 2018-04-17 | 2019-10-29 | 先进科技新加坡有限公司 | Device and method for the certification of electron device testing platform |
| CN110470976A (en) * | 2019-08-30 | 2019-11-19 | 深圳市华怡丰科技有限公司 | A kind of sensor parameters tester and test method |
| CN113029224A (en) * | 2020-09-15 | 2021-06-25 | 山东华科信息技术有限公司 | Detection system and method for batch detection sensors capable of automatically identifying equipment information |
| CN115790693A (en) * | 2022-11-16 | 2023-03-14 | 天津亚东智鑫科技有限公司 | An incremental encoder electric parameter debugging and detection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104794034A (en) * | 2015-03-24 | 2015-07-22 | 青岛海尔智能家电科技有限公司 | Acceptance check method and device for equipment |
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| CN113029224A (en) * | 2020-09-15 | 2021-06-25 | 山东华科信息技术有限公司 | Detection system and method for batch detection sensors capable of automatically identifying equipment information |
| CN115790693A (en) * | 2022-11-16 | 2023-03-14 | 天津亚东智鑫科技有限公司 | An incremental encoder electric parameter debugging and detection system |
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Application publication date: 20141217 |