CN202600108U - Testing system for printed circuit board - Google Patents
Testing system for printed circuit board Download PDFInfo
- Publication number
- CN202600108U CN202600108U CN 201220162213 CN201220162213U CN202600108U CN 202600108 U CN202600108 U CN 202600108U CN 201220162213 CN201220162213 CN 201220162213 CN 201220162213 U CN201220162213 U CN 201220162213U CN 202600108 U CN202600108 U CN 202600108U
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- circuit board
- printed circuit
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- acquisition module
- pcb
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Abstract
The utility model provides a testing system for a printed circuit board. The testing system comprises a control module, a first acquisition module, a circuit switch module, and a second acquisition module, wherein the control module controls the first acquisition module to output a selection signal, the selection signal drives connection or disconnection of a certain switch in the circuit switch module, the certain switch is connected with a corresponding testing point on the to-be-tested printed circuit board, the control module outputs a testing signal to the to-be-tested printed circuit board, the second acquisition module acquires the voltage of the corresponding testing point on the to-be-tested printed circuit board via the circuit switch module and outputs the voltage to the control module to compare the voltage with a pre-stored standard value of the printed circuit board for determination. The testing system for the printed circuit board provided in the utility is simple in operations, wherein as long as a test staff to install the to-be-tested printed circuit board in place, testing can be automatically finished under the control of the control module; thus, the requirements for technical levels of the test staff are low, the testing time is short, and the testing efficiency is high.
Description
Technical field
The utility model belongs to field tests, relates in particular to a kind of printed circuit board test system.
Background technology
At printed circuit board (PCB) (Printed Circuit Board; PCB) after design and manufacturing are accomplished; Must test the function of printed circuit board (PCB), check whether its circuit design, manufacturing and components and parts welding satisfy tactful requirement, and whether the voltage that detects each test point is accurate.In the circuit and functional test of printed circuit board (PCB), the normal method of using is through the input of testing tool mimic channel, utilizes oscillograph to observe the waveform of each test point in the circuit.But the inventor of the utility model finds, utilizes traditional test instrument and oscillograph to detect the circuit and the function of printed circuit board (PCB), and tester's technical merit is had relatively high expectations, and test duration while is long, and efficient is lower.
Summary of the invention
The purpose of the utility model provides a kind of printed circuit board test system, solve in the prior art tester's technical merit is had relatively high expectations, simultaneously the test duration long, the technical matters that efficient is lower.
The purpose of the utility model realizes through following technical scheme:
A kind of printed circuit board test system; Comprise control module, first acquisition module, contactor module and second acquisition module; Said control module is controlled the output of first acquisition module and is selected signal; A certain switch connection or disconnection in the driving circuit switch module, said a certain switch is connected with corresponding test point on the printed circuit board (PCB) to be measured, and said control module output test signal is given printed circuit board (PCB) to be measured; Said second acquisition module is gathered the voltage of corresponding test point on the printed circuit board (PCB) to be measured through the contactor module and is exported in the control module, compares judgement with the standard value of the printed circuit board (PCB) that prestores.
Further, also comprise the frock module that is used for fixing and places contactor module and printed circuit board (PCB) to be measured.
Further; Said frock module is provided with one and has the CC plate that patches metal needle; An end of metal needle contacts with test point on the printed circuit board (PCB) to be measured on the said CC plate, and the other end of metal needle is connected with switch on the said contactor module through lead.
Further, said frock module is provided with the position-limiting unit that is in place, and said first acquisition module can be gathered the signal and the identification of this position-limiting unit.
Further, said first acquisition module is the digital signal input-output card of PCI-6509 for the model that American National instrument company produces.
Further, said second acquisition module is the data collecting card of USB-5133 for the model that American National instrument company produces.
Further, said contactor module is the relay circuit unit, comprises several and printed circuit board test point corresponding switch to be measured.
Further, said control module comprises the display unit that the voltage data with the second acquisition module collection shows, and the storage unit that the voltage data of the second acquisition module collection is preserved.
Further, said control module also comprises the generation unit that is used to generate test report.
The printed circuit board test system that the utility model provides; Comprise control module, first acquisition module, contactor module and second acquisition module; This test macro has been realized the function of existing oscillograph and instrument, can accomplish the functional test of printed circuit board (PCB) automatically; This test macro is simple to operate, and the tester just can accomplish test automatically as long as printed circuit board (PCB) to be measured is in place under the control of control module, and lower to tester's technical merit requirement, the test duration is short, and efficient is high.And when needing to test different printed circuit board (PCB)s to be measured, only need change control module and contactor module, expansion conveniently.
Description of drawings
Fig. 1 is the printed circuit board test system architecture synoptic diagram that the utility model embodiment provides.
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Please refer to printed circuit board test system shown in Figure 1; Comprise control module 11, first acquisition module 12, contactor module 13 and second acquisition module 14; Signal is selected in 12 outputs of said control module 11 controls first acquisition module; A certain switch connection or disconnection in the driving circuit switch module 13; Said a certain switch is connected with corresponding test point on the printed circuit board (PCB) 15 to be measured; Said control module 11 output test signals are given printed circuit board (PCB) 15 to be measured, and said second acquisition module 14 is gathered the voltage of corresponding test point on the printed circuit board (PCB) 15 to be measured through contactor module 13 and exported in the control module 11, compare judgement with the standard value of the printed circuit board (PCB) that prestores.
The printed circuit board test system that the utility model provides; Comprise control module, first acquisition module, contactor module and second acquisition module; This test macro has been realized the function of existing oscillograph and instrument, can accomplish the functional test of printed circuit board (PCB) automatically; This test macro is simple to operate, and the tester just can accomplish test automatically as long as printed circuit board (PCB) to be measured is in place under the control of control module, and lower to tester's technical merit requirement, the test duration is short, and efficient is high.And when needing to test different printed circuit board (PCB)s to be measured, only need change control module and contactor module, expansion conveniently.
As concrete embodiment, said control module 11 can fictionalize different traditional instruments and function, through the program in the control module 11 is set, can change virtual instrument and function.Said control module 11 can be controlled the different selection signal of port output of first acquisition module 12; Said selection signal can be a digital signal; Said different digital signal combines with contactor module 13; Be said different digital signal can driving circuit switch module 13 in being switched on or switched off of a certain switch, thereby realize that corresponding test point is connected on a certain switch and the printed circuit board (PCB) 15 to be measured, promptly select to connect different test points.During test; The pulse signal that said control module 11 can be selected different voltages with different or different frequency are provided according to testing standard and demand is to printed circuit board (PCB) 15 to be measured; Thereby give printed circuit board (PCB) 15 power supplies to be measured and simulating signal is provided, accomplish test corresponding test point.Said control module 11 can be controlled second acquisition module 14 and gather the voltage of corresponding test point on the printed circuit board (PCB) 15 to be measured through contactor module 13; The test data of gathering is transferred in the control module 11; Compare with the standard value of the printed circuit board (PCB) that prestores, thereby judge whether test voltage is normal.
Please continue with reference to shown in Figure 1, as concrete embodiment, said test macro comprises the frock module 16 that is used for fixing and places said contactor module 13 and printed circuit board (PCB) 15 to be measured.The structure in groove or hole and so on specifically can be set on frock module 16; With contactor module 13 and printed circuit board (PCB) 15 fixing and placements to be measured; Thereby constitute a preferable test macro with control module 11, first acquisition module 12 and second acquisition module 14, be convenient to tester's operation and test.
As concrete embodiment; After having welded components and parts such as electric capacity, resistance, inductance on the printed circuit board (PCB) 15 to be measured; Printed circuit board (PCB) to be measured 15 surfaces can become and be uneven; Test point on printed circuit board (PCB) 15 circuit to be measured is very tiny again, and a CC plate that matches with printed circuit board (PCB) 15 to be measured is set for this reason, through the CC plate test point on the printed circuit board (PCB) 15 to be measured is drawn.Particularly; Said frock module 16 is provided with one and has the CC plate that patches metal needle (indicating among the figure), and said CC plate is provided with metal needle, and an end of said metal needle contacts with test point on the printed circuit board (PCB) 15 to be measured; The other end of said metal needle is connected with switch on the said contactor module 13 through lead; Can better test point be drawn thus, realize being connected of test point and switch, accomplish the test of corresponding test point.Further, for two-layer and above printed circuit board (PCB) to be measured, possible upper and lower surfaces all has test point, and two blocks of CC plates correspondingly are set this moment, and next the cooperation with printed circuit board (PCB) upper and lower surfaces to be measured drawn test point.
As concrete embodiment, said frock module 16 is provided with the position-limiting unit M1 that is in place, and said first acquisition module 12 can be gathered signal and the identification of this position-limiting unit M1, thereby judges whether printed circuit board (PCB) 15 to be measured correctly puts into frock module 16.Only collect the limit signal of position-limiting unit M1, test could begin to carry out, and has realized the intellectuality of test, has guaranteed the reliability of test.
As concrete embodiment; Said first acquisition module 12 is the digital signal input-output card of PCI-6509 for the model that American National instrument company (NI) produces; Through PCI-6509 output digital signal; Driving circuit switch module 13 is switched on or switched off certain switch, to connect different test point on the printed circuit board (PCB) 15 to be measured.
As concrete embodiment; Said second acquisition module 14 is the data collecting card of USB-5133 for the model that American National instrument company (NI) produces; Said USB-5133 data collecting card has 2 analog input channels, and the maximum rate of sampling is 100Mps, and sampling precision is 8bits.The voltage signal of control module 11 control USB-5133 data collecting card collecting test points reads the test data of collection; Wherein, control module 11 can adopt grinds the industrial control computer that magnificent company produces, and said computing machine comprises lot of data to be handled and analytic function.Before testing; The sampling parameter of USB-5133 data collecting card need be set according to the characteristic of collection voltage signal; Concrete parameter comprises sampling rate, sampling length, coupling scheme and filtering mode, and said sampling rate is meant the number of image data in the data collecting card unit interval, and unit is Mps; Be sampling p.s. how many million data; The maximum sampling rate of USB-5133 data collecting card is 100Mps, and this parameter need be provided with according to the frequency of signal, and sampling rate generally is greater than ten times of signal frequency; Sampling length is meant the number of the each image data of data collecting card; Coupling scheme are divided into DC coupling (DC) and AC coupling (AC); Filtering mode comprises Butterworth (Butterworth), Chebyshev (Chebyshev) etc.Utilize data processing and analytic function in the control module 11; Specifically comprise filter function, fourier transform function etc.; The test data that can Treatment Analysis collects is obtained the data such as effective value, mean value, maximal value, minimum value and frequency of the voltage signal of gathering, and the value of image data and the standard value of printed circuit board (PCB) are compared; Draw the test result of printed circuit board (PCB) 15 to be measured, promptly through test or not through test.
As concrete embodiment, said contactor module 13 is the relay circuit unit, comprises several and printed circuit board test point corresponding switch to be measured.Specifically please refer to shown in Figure 1; As embodiment; Said contactor module 13 comprises three K switch 1, K2 and K3, and said K switch 1 is corresponding with test point T1 on the printed circuit board (PCB) 15 to be measured, and control test point T1 is connected to for example USB-5133 data collecting card of second acquisition module 14; In like manner; K switch 2 is corresponding with test point T2 on the printed circuit board (PCB) 15 to be measured; And control test point T2 is connected to for example USB-5133 data collecting card of second acquisition module 14; K switch 3 is corresponding with test point T3 on the printed circuit board (PCB) 15 to be measured, and control test point T3 is connected to for example USB-5133 data collecting card of second acquisition module 14.
As concrete embodiment; Said control module 11 comprises the display unit that voltage data that second acquisition module 14 is gathered shows; And the storage unit that the voltage data of the second acquisition module collection is preserved, thus can be so that tester's observation test process and test data managed.
As preferred implementation, said control module 11 also comprises the generation unit that is used to generate test report, according to actual needs promptly, the data of testing is generated Word automatically or/and the Excel test report is convenient to the archive management to test data.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (9)
1. printed circuit board test system; It is characterized in that; Comprise control module, first acquisition module, contactor module and second acquisition module, said control module is controlled the output of first acquisition module and is selected signal, a certain switch connection or disconnection in the driving circuit switch module; Said a certain switch is connected with corresponding test point on the printed circuit board (PCB) to be measured; Said control module output test signal is given printed circuit board (PCB) to be measured, and said second acquisition module is gathered the voltage of corresponding test point on the printed circuit board (PCB) to be measured through the contactor module and exported in the control module, compares judgement with the standard value of the printed circuit board (PCB) that prestores.
2. printed circuit board test according to claim 1 system is characterized in that, also comprises the frock module that is used for fixing and places said contactor module and printed circuit board (PCB) to be measured.
3. printed circuit board test according to claim 2 system; It is characterized in that; Said frock module is provided with one and has the CC plate that patches metal needle; Said CC plate is provided with metal needle, and an end of said metal needle contacts with test point on the printed circuit board (PCB) to be measured, and the other end of said metal needle is connected with switch on the said contactor module through lead.
4. according to claim 2 or 3 described printed circuit board test systems, it is characterized in that said frock module is provided with the position-limiting unit that is in place, said first acquisition module can be gathered the signal and the identification of this position-limiting unit.
5. printed circuit board test according to claim 1 system is characterized in that, said first acquisition module is the digital signal input-output card of PCI-6509 for the model that American National instrument company produces.
6. printed circuit board test according to claim 1 system is characterized in that, said second acquisition module is the data collecting card of USB-5133 for the model that American National instrument company produces.
7. printed circuit board test according to claim 1 system is characterized in that said contactor module is the relay circuit unit, comprises several and printed circuit board test point corresponding switch to be measured.
8. printed circuit board test according to claim 1 system; It is characterized in that; Said control module comprises the display unit that the voltage data with the second acquisition module collection shows, and the storage unit that the voltage data of the second acquisition module collection is preserved.
9. printed circuit board test according to claim 8 system is characterized in that said control module also comprises the generation unit that is used to generate test report.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220162213 CN202600108U (en) | 2012-04-17 | 2012-04-17 | Testing system for printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220162213 CN202600108U (en) | 2012-04-17 | 2012-04-17 | Testing system for printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202600108U true CN202600108U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220162213 Expired - Fee Related CN202600108U (en) | 2012-04-17 | 2012-04-17 | Testing system for printed circuit board |
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| Country | Link |
|---|---|
| CN (1) | CN202600108U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407283A (en) * | 2014-12-10 | 2015-03-11 | 上海亚虹模具股份有限公司 | Device and method for automatically detecting hidden damage of circuit board |
| CN104730446A (en) * | 2013-12-19 | 2015-06-24 | 致伸科技股份有限公司 | Circuit board test system |
| CN105939569A (en) * | 2016-06-28 | 2016-09-14 | 广东欧珀移动通信有限公司 | Printed circuit board (PCB) component and mobile terminal therewith |
| CN106249130A (en) * | 2016-08-30 | 2016-12-21 | 欧朗电子科技有限公司 | The reading fuse bit test device of Intelligent watermeter |
| CN108535623A (en) * | 2017-03-06 | 2018-09-14 | 无锡飞谱电子信息技术有限公司 | A kind of printed circuit board Auto-Test System |
| CN108710077A (en) * | 2018-08-07 | 2018-10-26 | 中科芯集成电路股份有限公司 | A kind of electronic device of test circuit break-make |
| CN110488178A (en) * | 2019-08-27 | 2019-11-22 | 厦门炬研电子科技有限公司 | A kind of circuit board automatic testing circuit |
| CN112130089A (en) * | 2020-08-27 | 2020-12-25 | 深圳市广和通无线股份有限公司 | Module pin connectivity testing device and system |
| CN113030704A (en) * | 2021-03-11 | 2021-06-25 | 山东英信计算机技术有限公司 | Mainboard test equipment, method and system and readable storage medium |
| CN113219320A (en) * | 2021-04-16 | 2021-08-06 | 深圳市安仕新能源科技有限公司 | BMS circuit board checking method, system, readable storage medium and terminal equipment |
-
2012
- 2012-04-17 CN CN 201220162213 patent/CN202600108U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730446A (en) * | 2013-12-19 | 2015-06-24 | 致伸科技股份有限公司 | Circuit board test system |
| CN104730446B (en) * | 2013-12-19 | 2018-01-23 | 致伸科技股份有限公司 | The test system of circuit board |
| CN104407283A (en) * | 2014-12-10 | 2015-03-11 | 上海亚虹模具股份有限公司 | Device and method for automatically detecting hidden damage of circuit board |
| CN105939569A (en) * | 2016-06-28 | 2016-09-14 | 广东欧珀移动通信有限公司 | Printed circuit board (PCB) component and mobile terminal therewith |
| CN105939569B (en) * | 2016-06-28 | 2018-07-17 | 广东欧珀移动通信有限公司 | Pcb board component and mobile terminal with it |
| CN106249130A (en) * | 2016-08-30 | 2016-12-21 | 欧朗电子科技有限公司 | The reading fuse bit test device of Intelligent watermeter |
| CN108535623A (en) * | 2017-03-06 | 2018-09-14 | 无锡飞谱电子信息技术有限公司 | A kind of printed circuit board Auto-Test System |
| CN108710077A (en) * | 2018-08-07 | 2018-10-26 | 中科芯集成电路股份有限公司 | A kind of electronic device of test circuit break-make |
| CN110488178A (en) * | 2019-08-27 | 2019-11-22 | 厦门炬研电子科技有限公司 | A kind of circuit board automatic testing circuit |
| CN112130089A (en) * | 2020-08-27 | 2020-12-25 | 深圳市广和通无线股份有限公司 | Module pin connectivity testing device and system |
| CN113030704A (en) * | 2021-03-11 | 2021-06-25 | 山东英信计算机技术有限公司 | Mainboard test equipment, method and system and readable storage medium |
| CN113219320A (en) * | 2021-04-16 | 2021-08-06 | 深圳市安仕新能源科技有限公司 | BMS circuit board checking method, system, readable storage medium and terminal equipment |
| CN113219320B (en) * | 2021-04-16 | 2023-03-10 | 深圳市安仕新能源科技有限公司 | BMS circuit board checking method, system, readable storage medium and terminal equipment |
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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: 20121212 Termination date: 20190417 |