CN203217001U - Intelligent detecting device for circuit board - Google Patents
Intelligent detecting device for circuit board Download PDFInfo
- Publication number
- CN203217001U CN203217001U CN 201220601091 CN201220601091U CN203217001U CN 203217001 U CN203217001 U CN 203217001U CN 201220601091 CN201220601091 CN 201220601091 CN 201220601091 U CN201220601091 U CN 201220601091U CN 203217001 U CN203217001 U CN 203217001U
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- circuit board
- signal
- test
- control system
- computer control
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Abstract
The utility model discloses an intelligent detecting device for a circuit board, which comprises the following components: a test clamp, a signal processing box, a test instrument and a computer control system. The intelligent detecting device for the circuit board is advantageous in that: the electronic circuit board to be detected can reliably perform information transmission to various kinds of testing instrument through a clamping device and a testing pin; the computer control system inputs a simulating test signal to the electronic circuit board to be tested and transmits a detected signal to the testing instrument; in the computer control system, operation state of the electronic circuit board is determined in the computer control system; and the detected signal is compared with an actual value. The intelligent detecting device for the circuit board further has the following advantages: simple structure, high detecting speed and high sensitivity.
Description
Technical field
The utility model relates to a kind of pick-up unit, and specifically a kind of circuit board intelligent detection device belongs to the circuit board detecting field.
Background technology
Real device, circuit board (PCBA) is in batch production process, because equipment running status and operator's human factor etc., can not guarantee that the PCBA that produces is intact product all, this just requires to add various testing apparatus and testing tool at the end of producing, all size and parameter with all real device, circuit boards of guaranteeing to dispatch from the factory during with design are in full accord, and this has just produced various means of testing such as ICT, AOI, X-Ray, FCT.
Present most pcb board all can be downloaded corresponding Firmware and come integrated circuit board is carried out programmed control, though can accurately locate the quality of electronic devices and components by the pcb board of ICT, can't the function quality of entire circuit plate be judged.This just needs the Test Engineer to build the mimic channel environment of a suitable pcb board, and TP (TestPoint) point of circuit board is carried out the FCT functional test.
Current society is in one just in the state of high speed development, to in limited space-time, realize a large amount of message exchanges, the thing followed is that information density sharply increases, thereby in research and production run, requiring data acquisition system (DAS) more and more higher to the processing speed of information, function is more and more stronger.Advanced data acquisition system (DAS), wish that not only equipment can carry out data acquisition separately, also wish to communicate by letter mutually between them, the composition data acquisition system, or even test network system, realize information sharing, thereby in order to numerous measured signals is compared, comprehensively and automatically analyzes to draw accurately and judge.Yet traditional data acquisition instrument is very restricted in this regard.
The utility model content
In order to address the above problem, the utility model has designed a kind of circuit board intelligent detection device, make electronic circuit board to be detected can carry out the transmission of information reliably with various testing tools by clamp device and test thimble, computer control system is to electronic circuit board input emulation testing signal to be detected, and a signal that measures is transferred to testing tool, in computer control system, differentiate the duty of electronic circuit board, and contrast with actual value, simple in structure, detect fast, highly sensitive.
The technical solution of the utility model is:
A kind of circuit board intelligent detection device comprises:
Wiring board to be detected is provided with test point, because need be by the output signal of computing machine to wiring board input measurement signal to be detected and receiving lines plate, therefore in the corresponding test point of wiring board design to be detected, these input points and output point arrangement in position, can allow computing machine input and detect these information;
Test fixture is made of test thimble and clamp device; When wiring board to be detected was placed on the test fixture, the test thimble of test fixture contacted with all test points on the wiring board to be detected; Clamp device and test thimble make electronic circuit board to be detected can carry out the transmission of information reliably with various testing tools;
The signal treatment box is provided with data acquisition card, the signal that collects is handled, signal handle be with the data-switching that sampling obtains become can data presented all processing procedures, mainly be the processing to the current-voltage sampling value.Therefore the sampled data that obtains from data collecting card is the voltage momentary signal, is a continually varying numerical value to AC signal, at first will carry out effective value and handle, and what obtain like this is only basicly stable data, just can carry out the processing of back.PXI-4070 can have functions such as direct survey frequency, transistor turns, can satisfy the detection demand of each test point.Cooperate PXI-6528 to the switching of each detection signal, can detect each test point signal automatically according to flow process.And PXI-4070 has the digitizer function, to the direct analyzing and processing of some simple signals.With two PXI-4070, can realize measurement and the analysis of parameter.Gather voltage signal and the current signal of input respectively, utilize the operational analysis function of LabVIEW, can record on the related circuit plate parameters such as input voltage, electric current, active power, power factor, frequency.
Testing tool, namely the GPIB control instrument in a GPIB system, arranges a plurality of receiving ends, but only sends single fill order when carrying out, because the startup command of different instruments has nothing in common with each other, thus an instrument can only be arranged in action, and can not cause interference.
Computer control system is provided with digital I/O card and gpib interface card;
Computer control system is to giving an order with the digital I/O card of its corresponding configuration, by switching Relay to electronic circuit board input emulation testing signal to be detected, make electronic circuit board to be detected be operated in different duties, then the signal that measures, be transferred to testing tool by the switching circuit relay, the corresponding data of again instrument being handled gained transfers to computer control system by gpib interface card, in computer control system, differentiate the duty of electronic circuit board, and show that with the form of literal and chart result and the actual value of test contrast in Lab VIEW software.
GPIB comprises Interface ﹠ Bus two parts, and the interface section is made up of various logic circuitry, is installed together with each apparatus, is used for information transmitted is sent, receives, encodes and deciphers; Bus portion is a passive polycore cable, is used as the various message of transmission.
Advantage of the present utility model is: make electronic circuit board to be detected can carry out the transmission of information reliably with various testing tools by clamp device and test thimble, computer control system is to electronic circuit board input emulation testing signal to be detected, and a signal that measures is transferred to testing tool, in computer control system, differentiate the duty of electronic circuit board, and contrast with actual value, simple in structure, detect fast, highly sensitive.
The utility model is described in further detail with enforcement below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
Below preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in restriction the utility model.
Embodiment 1
A kind of circuit board intelligent detection device comprises:
Wiring board to be detected is provided with test point, because need be by the output signal of computing machine to wiring board input measurement signal to be detected and receiving lines plate, therefore in the corresponding test point of wiring board design to be detected, these input points and output point arrangement in position, can allow computing machine input and detect these information;
Test fixture is made of test thimble and clamp device; When wiring board to be detected was placed on the test fixture, the test thimble of test fixture contacted with all test points on the wiring board to be detected; Clamp device and test thimble make electronic circuit board to be detected can carry out the transmission of information reliably with various testing tools;
The signal treatment box is provided with data acquisition card, the signal that collects is handled, signal handle be with the data-switching that sampling obtains become can data presented all processing procedures, mainly be the processing to the current-voltage sampling value.Therefore the sampled data that obtains from data collecting card is the voltage momentary signal, is a continually varying numerical value to AC signal, at first will carry out effective value and handle, and what obtain like this is only basicly stable data, just can carry out the processing of back.PXI-4070 can have functions such as direct survey frequency, transistor turns, can satisfy the detection demand of each test point.Cooperate PXI-6528 to the switching of each detection signal, can detect each test point signal automatically according to flow process.And PXI-4070 has the digitizer function, to the direct analyzing and processing of some simple signals.With two PXI-4070, can realize measurement and the analysis of parameter.Gather voltage signal and the current signal of input respectively, utilize the operational analysis function of LabVIEW, can record on the related circuit plate parameters such as input voltage, electric current, active power, power factor, frequency.
Testing tool, namely the GPIB control instrument in a GPIB system, arranges a plurality of receiving ends, but only sends single fill order when carrying out, because the startup command of different instruments has nothing in common with each other, thus an instrument can only be arranged in action, and can not cause interference.
Computer control system is provided with digital I/O card and gpib interface card;
Computer control system is to giving an order with the digital I/O card of its corresponding configuration, by switching Relay to electronic circuit board input emulation testing signal to be detected, make electronic circuit board to be detected be operated in different duties, then the signal that measures, be transferred to testing tool by the switching circuit relay, the corresponding data of again instrument being handled gained transfers to computer control system by gpib interface card, in computer control system, differentiate the duty of electronic circuit board, and show that with the form of literal and chart result and the actual value of test contrast in Lab VIEW software.
It should be noted that at last: the above only is preferred embodiment of the present utility model, be not limited to the utility model, although with reference to previous embodiment the utility model is had been described in detail, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (1)
1. a circuit board intelligent detection device is characterized in that, comprising:
Test fixture is made of test thimble and clamp device; The test thimble of test fixture contacts with all test points on the wiring board to be detected;
The signal treatment box is provided with data acquisition card, and the signal that collects is handled;
Testing tool transfers to computer control system with the corresponding data of handling gained by gpib interface card;
Computer control system is provided with digital I/O card and gpib interface card, and to electronic circuit board input emulation testing signal to be detected, and a signal that measures is transferred to testing tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220601091 CN203217001U (en) | 2012-11-15 | 2012-11-15 | Intelligent detecting device for circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220601091 CN203217001U (en) | 2012-11-15 | 2012-11-15 | Intelligent detecting device for circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203217001U true CN203217001U (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220601091 Expired - Fee Related CN203217001U (en) | 2012-11-15 | 2012-11-15 | Intelligent detecting device for circuit board |
Country Status (1)
| Country | Link |
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| CN (1) | CN203217001U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644305A (en) * | 2016-12-09 | 2017-05-10 | 李勇辉 | Water purifier testing method and detector system for water purifier |
| CN108445379A (en) * | 2018-06-13 | 2018-08-24 | 江苏特创科技有限公司 | A kind of control board test device and its test system |
-
2012
- 2012-11-15 CN CN 201220601091 patent/CN203217001U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644305A (en) * | 2016-12-09 | 2017-05-10 | 李勇辉 | Water purifier testing method and detector system for water purifier |
| CN108445379A (en) * | 2018-06-13 | 2018-08-24 | 江苏特创科技有限公司 | A kind of control board test device and its test system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20201115 |