CN207215868U - A kind of circuit board testing device - Google Patents

A kind of circuit board testing device Download PDF

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Publication number
CN207215868U
CN207215868U CN201720928511.9U CN201720928511U CN207215868U CN 207215868 U CN207215868 U CN 207215868U CN 201720928511 U CN201720928511 U CN 201720928511U CN 207215868 U CN207215868 U CN 207215868U
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CN
China
Prior art keywords
test
module
circuit board
needle
bar
Prior art date
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Active
Application number
CN201720928511.9U
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Chinese (zh)
Inventor
李捷
胡小东
杨碧霞
郑培轩
肖江涛
陈俊凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuji Power Co Ltd
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Xuji Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Xuji Power Co Ltd filed Critical Xuji Power Co Ltd
Priority to CN201720928511.9U priority Critical patent/CN207215868U/en
Application granted granted Critical
Publication of CN207215868U publication Critical patent/CN207215868U/en
Active legal-status Critical Current
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Abstract

The utility model provides a kind of circuit board testing device, including test terminal and needle-bar, and probe is provided with needle-bar, and probe is used to connect corresponding test point in circuit board under test;Test terminal called is connected with power supply supplying module, communication test module, data signal test module, analog quantity test module and standard source module, and each module connects corresponding probe in needle-bar.Technical scheme provided by the utility model, Dynamic link library will be set between needle-bar and each test module, when the structure of circuit board under test changes, need to only change the arrangement mode of probe on needle-bar, test device need not be redesigned, so as to reduce the cost to circuit board testing.

Description

A kind of circuit board testing device
Technical field
The utility model belongs to electronic equipment detection technique field, and in particular to a kind of circuit board testing device.
Background technology
At present, when testing circuit board, most commonly needle-bar method, i.e., filled using a test terminal as control Put, probe of the connection with spring in test terminal, probe arranges solid according to the position of the test point on circuit board to be detected Fixed, the device of these probes composition is needle-bar.When being detected to circuit board under test, make on probe contact circuit-under-test plate Corresponding test point, corresponding parameter then is set in test end, to circuit board under test input test signal, passes through probe The signal detected from test point judges circuit board under test with the presence or absence of abnormal.
Although needle-bar method can detect to circuit board, because the structure of difference in functionality circuit board is different, so Same set of needle-bar may be only available for same circuit board.Therefore using the circuit board testing device of needle-bar method design, versatility is all It is poor, even realizing the circuit board of same function, when the wire laying mode on circuit board, component shape etc. change When, it is also desirable to new test device is redesigned, so substantially increases the cost to circuit board testing.
Utility model content
The purpose of this utility model is to provide a kind of circuit board testing device, for solving in the prior art to circuit The problem of cost is higher during board test.
To achieve the above object, technical scheme provided by the utility model is:
A kind of circuit board testing device, including terminal and needle-bar are tested, probe is provided with needle-bar, probe is to be measured for connecting Corresponding test point in circuit board;The test terminal called is connected with power supply supplying module, communication test module, data signal Test module, analog quantity test module and standard source module, each module connect corresponding probe in needle-bar.
The power supply supplying module is used to power for circuit board under test;
Whether the communication interface that the communication test module is used to detect circuit board under test is normal;
The data signal test module is used to provide for circuit board under test to open into data signal, and gathers it and output numeral Signal;
The analog quantity test module is used for the analog quantity for gathering circuit board under test test point;
The standard source module is used to provide standard electric signal for circuit-under-test plate.
Further, each module probe corresponding with needle-bar is connected by winding displacement.
Further, the test terminal is also associated with channel multiplexing module.
The beneficial effects of the utility model are:Technical scheme provided by the utility model, by needle-bar and each test module Between be set to Dynamic link library, when the structure of circuit board under test changes, need to only change the arrangement side of probe on needle-bar Formula, it is not necessary to test device is redesigned, so as to reduce the cost to circuit board testing.
Brief description of the drawings
Fig. 1 is the structure principle chart of circuit board testing device in embodiment;
Fig. 2 is the schematic diagram of circuit board testing device test circuit plate in embodiment;
Fig. 3 is the schematic diagram that circuit board testing device changes fixture in embodiment.
Embodiment
The purpose of this utility model is to provide a kind of circuit board testing device, for solving in the prior art to circuit The problem of cost is higher during board test.
To achieve the above object, technical scheme provided by the utility model is:
A kind of circuit board testing device, including terminal and needle-bar are tested, probe is provided with needle-bar, probe is to be measured for connecting Corresponding test point in circuit board;The test terminal called is connected with power supply supplying module, communication test module, data signal Test module, analog quantity test module and standard source module, each module connect corresponding probe in needle-bar.
The power supply supplying module is used to power for circuit board under test;
Whether the communication interface that the communication test module is used to detect circuit board under test is normal;
The data signal test module is used to provide for circuit board under test to open into data signal, and gathers it and output numeral Signal;
The analog quantity test module is used for the analog quantity for gathering circuit board under test test point;
The standard source module is used to provide standard electric signal for circuit-under-test plate.
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
The present embodiment provides a kind of circuit board testing device, its structural principle as shown in figure 1, including a test terminal with Needle-bar, test terminal connecting communication test module, data signal test module, power supply supplying module, analog measurement module, mark Quasi- source module and channel multiplexing module.Needle-bar is arranged on fixture, and needle-bar is provided with probe, the arrangement mode of probe and electricity to be measured The mode that test point is arranged on the plate of road is corresponding.Wherein one end of probe is used to connect the detection on circuit board under test on needle-bar Point, the other end according to the detection demand of circuit board under test, by winding displacement connecting communication test module, data signal test module, Some or certain several modules in power supply supplying module, analog measurement module, standard source module and channel multiplexing module, survey The mode of connection circuit-under-test plate during examination is as shown in Figure 2.
When circuit board under test needs to carry out communication test, communication test module is connected into corresponding probe in needle-bar, surveyed Examination personnel switch communication channel in test end communication control test module, and by the communication channel after switching to electricity to be measured Plate different communication interface in road carries out communication test.
When circuit board under test needs to carry out data signal test, data signal test module is connected into corresponding in needle-bar visit Pin, tester controls data signal test module to be provided for circuit board under test and opened into data signal in test end, and adopts Collection circuit board under test outputs data signal, and data signal test is carried out to circuit board under test.
When circuit board under test needs operating voltage, power supply supplying module is connected into corresponding probe in needle-bar, tester Member controls power module to provide corresponding operating voltage for circuit board under test in test end.
When circuit board under test needs to carry out analog quantity test, analog quantity test module is connected into corresponding spy in needle-bar Pin, analog signalses of the tester in test end control analog measurement module detection circuit under test, such as voltage, electricity Stream etc..
When circuit board under test needs standard source, standard source module is connected into corresponding probe in needle-bar, tester exists Test end controls standard source to provide the signals such as the voltage of standard, electric current for the analog acquisition passage of circuit board under test, with Test circuit board under test acquisition channel whether standard, or enter row of channels correction etc..
Above-mentioned communication test module, data signal test module, power supply supplying module, analog measurement module, standard Source module and channel multiplexing module all when by hardware circuit realize hardware module.
Above operating process can be completed by manual operation test device, can also have been automatically controlled by device according to programmed logic Into.
Channel multiplexing module, communication test module, data signal test module, power supply supplying module, simulation is coordinated to measure The modules such as module, standard source module are measured, single channel instrument switching multiplexing is tested the circuit-under-test plate of multiple passages, saves instrument Device usage quantity.
In the present embodiment, when being detected to different circuit boards, it is necessary to change different fixtures, the mode of replacing As shown in figure 3, first removing fixture from test device, new fixture is then set to connect in corresponding circuit board testing device Corresponding module.
In the present embodiment, connected between each module and corresponding fixture by winding displacement;, can be with as other embodiment Connect by other means.
In the present embodiment, circuit board testing device is provided with channel multiplexing module;As other embodiment, can not set Put channel multiplexing module.

Claims (3)

1. a kind of circuit board testing device, including terminal and needle-bar are tested, probe is provided with needle-bar, probe is used to connect electricity to be measured Corresponding test point in the plate of road;Characterized in that, the test terminal called is connected with power supply supplying module, communication test mould Block, data signal test module, analog quantity test module and standard source module, each module connect corresponding probe in needle-bar;
The power supply supplying module is used to power for circuit board under test;
Whether the communication interface that the communication test module is used to detect circuit board under test is normal;
The data signal test module is used to provide for circuit board under test to open into data signal, and gathers it and output digital letter Number;
The analog quantity test module is used for the analog quantity for gathering circuit board under test test point;
The standard source module is used to provide standard electric signal for circuit-under-test plate.
A kind of 2. circuit board testing device according to claim 1, it is characterised in that each module spy corresponding with needle-bar Pin is connected by winding displacement.
3. a kind of circuit board testing device according to claim 1, it is characterised in that the test terminal is also associated with leading to Road Multiplexing module.
CN201720928511.9U 2017-07-26 2017-07-26 A kind of circuit board testing device Active CN207215868U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720928511.9U CN207215868U (en) 2017-07-26 2017-07-26 A kind of circuit board testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720928511.9U CN207215868U (en) 2017-07-26 2017-07-26 A kind of circuit board testing device

Publications (1)

Publication Number Publication Date
CN207215868U true CN207215868U (en) 2018-04-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720928511.9U Active CN207215868U (en) 2017-07-26 2017-07-26 A kind of circuit board testing device

Country Status (1)

Country Link
CN (1) CN207215868U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108872831A (en) * 2018-06-21 2018-11-23 武汉华中数控股份有限公司 A kind of universal circuit board test device and its test method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108872831A (en) * 2018-06-21 2018-11-23 武汉华中数控股份有限公司 A kind of universal circuit board test device and its test method

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