CN208872846U - A kind of PCBA board test device - Google Patents
A kind of PCBA board test device Download PDFInfo
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- CN208872846U CN208872846U CN201821453256.8U CN201821453256U CN208872846U CN 208872846 U CN208872846 U CN 208872846U CN 201821453256 U CN201821453256 U CN 201821453256U CN 208872846 U CN208872846 U CN 208872846U
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Abstract
The utility model provides a kind of PCBA board test device, it includes testboard and test device, and the test device includes: test needle plate, is arranged on the testboard, for placing and being electrically connected PCBA board to be measured；Data acquisition board is connect with test needle plate, for acquiring the test signal of the PCBA board to be measured in real time；Needle plate lift drive mechanism, lift side are provided with top board corresponding with the test needle plate, move up and down compression or release PCBA board to be measured by the driving top board；Host computer is connect with the data acquisition board, is exported according to the test signal and is shown test result.The PCBA board test device has the advantages that design science, practical, detection efficiency is high low with production cost.
Description
Technical field
The utility model relates to PCBA board testing fields, specifically, relate to a kind of PCBA board test device.
Background technique
PCBA is the abbreviation of English Printed Circuit Board+Assembly, that is to say, that PCB hollow plate passes through
SMT piece uploading, using the entire processing procedure of DIP plug-in unit, this is a kind of domestic common literary style to abbreviation PCBA, and in American-European mark
Quasi- literary style is PCB'A, added " ' ", this is referred to as official's idiom.
In PCBA production process, need by various tests.Such as voltage, electric current, switching value, communication.It is existing
There is technology, the detection of PCBA board, which needs to make a testing jig for each PCBA to be measured, to be tested, and detection efficiency is relatively low,
Test period is longer, and hardware resource is not shared, and data need people's hand-kept to be not easy to manage.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Summary of the invention
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of design science, practical, labor
Fatigue resistance is low, the high PCBA board test device low with production cost of detection efficiency.
To achieve the goals above, the technical scheme adopted by the utility model is a kind of PCBA board test device, including
Testboard and test device, the test device include:
Test needle plate is arranged on the testboard, for placing and being electrically connected PCBA board to be measured；
Data acquisition board is connect with the test needle plate, for acquiring the test signal of the PCBA board to be measured in real time；
Needle plate lift drive mechanism, lift side are provided with top board corresponding with the test needle plate, by described in driving
Top board moves up and down compression or release PCBA board to be measured；
Host computer is connect with the data acquisition board, is exported according to the test signal and is shown test result.
Based on above-mentioned, the data acquisition board includes master control borad, and be connected with the master control borad voltage collection circuit,
Switching value input circuit and switching value output circuit.
Based on above-mentioned, the voltage collection circuit includes the first connector, and is connected in first connector in parallel
Several voltage acquisition branches；Voltage acquisition branch described in every road includes sequentially connected protection circuit, comparison circuit and puts
Big circuit.
Based on above-mentioned, the switching value input circuit includes the second connector, and is connected in second connection in parallel
Several On-off signal branches of device；On-off signal branch described in every road includes resistance R16, resistance R34, light emitting diode
D17, capacitor C16 and photoelectrical coupler IC16；
The one end the resistance R16 connects second connector, and the other end connects the anode of the light emitting diode D17,
The cathode of the light emitting diode D17 is connected with ground terminal；Described resistance R34 one end connects second connector, the other end
It is connected by the capacitor C16 with ground terminal；The first pin and second pin of the photoelectrical coupler IC16 is connected in parallel
The both ends the capacitor C16, third pin are connected with ground terminal, and the 4th pin is connected with second connector.
Based on above-mentioned, the switching value output circuit includes third connector, and is connected in the third connection in parallel
Several output switch parameter branches of device；Every way switch amount output branch includes photoelectrical coupler IC1, triode QN1, luminous two
Pole pipe D5, diode D1, relay switch K1, resistance R1, resistance R5, resistance R9 and resistance R13；
The first pin of the photoelectrical coupler IC1 passes through the resistance R9 connection third connector, second pin
It is connected with ground terminal, third pin connects the base stage of the triode QN1 by the resistance R13, and the 4th pin passes through described
Resistance R5 connection power end；The emitter of the triode QN1 is connected with ground terminal, the collector difference of the triode QN1
Be connected in parallel the cathode of the light emitting diode D5, the positive and described relay switch K1 of the diode D1 coil one
End, for the anode of the light emitting diode D5 by the resistance R1 connection power end, the cathode of the diode D1 connects power supply
The other end at end, the coil of the relay switch K1 connects power end；Described in the stationary contact connection of the relay switch K1
Third connector.
Based on above-mentioned, the needle plate lift drive mechanism includes support frame, and the cylinder being arranged on support frame as described above,
The telescopic end of the cylinder is arranged in the top board.
Based on above-mentioned, the test needle plate is removably embedded on the testboard.
Based on above-mentioned, the data acquisition board is arranged below the test needle plate.
Based on above-mentioned, the host computer is also communicated with MES server and is interconnected.
Based on above-mentioned, the top board is removably disposed on the needle plate lift drive mechanism.
The utility model has substantive features and progress compared with the prior art, and specifically, the utility model provides
A kind of PCBA board test device, the test device include: test needle plate, for placing and being electrically connected PCBA board to be measured；Data
Collection plate, for acquiring the test signal of the PCBA board to be measured in real time；Needle plate lift drive mechanism, lift side is provided with and institute
The corresponding top board of test needle plate is stated, compression or release PCBA board to be measured are moved up and down by the driving top board；On
Position machine, connect with the data acquisition board, is exported according to the test signal and show test result；The utility model is suitable for
Different PCBA boards, substantially increases testing efficiency, improves productivity effect, reduces the labor intensity of worker；With existing skill
Art is compared, and is tested without making a special testing jig for each PCBA board, therefore the utility model saves cost, contracting
Short test period；It has the advantages that design science, practical, detection efficiency is high low with production cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the circuit diagram of the master control borad of the utility model.
Fig. 3 is the circuit diagram of the voltage collection circuit of the utility model.
Fig. 4 is the circuit diagram of the switching value input circuit of the utility model.
Fig. 5 is the circuit diagram of the switching value output circuit of the utility model.
In figure: 1. testboards；2. needle plate lift drive mechanism；3. top board；4. test needle plate；5. host computer；6. test
Button switch；7. universal wheel.
Specific embodiment
Below by specific embodiment, the technical solution of the utility model is described in further detail.
As shown in attached drawing 1- attached drawing 5, a kind of PCBA board test device, it includes testboard 1 and test device, the test
Device includes:
Test needle plate 4 is arranged on the testboard 1, for placing and being electrically connected PCBA board to be measured；
Data acquisition board is connect with the test needle plate 4, for acquiring the test signal of the PCBA board to be measured in real time；
Needle plate lift drive mechanism 2, lift side are provided with top board 3 corresponding with the test needle plate 4, by driving institute
That states top board 3 moves up and down compression or release PCBA board to be measured；
Host computer 5 is connect with the data acquisition board, is exported according to the test signal and is shown test result.
The working process of the utility model is as follows: PCBA board to be measured is placed on the test needle plate 4, the needle plate is opened
Lift drive mechanism 2, the decline of top board 3 compress PCBA board to be measured, and the data acquisition board acquires described to be measured in real time
The test signal of PCBA board is simultaneously transmitted to the host computer 5, described to be exported according to the test signal and show test result.One
After the completion of block PCBA board to be measured test, the needle plate lift drive mechanism 2 is acted, and driving the top board 3 to rise, unclamp should be to
PCBA board is surveyed, user takes the PCBA board tested away, places other PCBA boards to be measured, repeat the above process.
The utility model gives a kind of specific embodiment of data acquisition board, and the data acquisition board includes master control
Plate, and the voltage collection circuit, switching value input circuit and the switching value output circuit that are connected with the master control borad；Provide electricity
The acquisition interface of the data such as pressure, On-off signal and output switch parameter, to acquire the voltage tester of the PCBA board to be measured in real time
Signal and switching value test signal etc., and be transmitted to the host computer 5 and stored, being automatically stored for test data is realized,
Avoid the problems such as time-consuming and error is big caused by manual record.
As shown in Fig. 3, the voltage collection circuit includes the first connector, and is connected in first connection in parallel
Several voltage acquisition branches of device；Voltage acquisition branch described in every road include sequentially connected protection circuit, comparison circuit and
Amplifying circuit.The protection circuit includes the fuse F1 being sequentially connected in series, inductance L1 and resistance R19, and the inductance L1 is also
It is connected by TVS transition pipe with ground terminal；The comparison circuit includes operational amplifier, the positive input terminal of the operational amplifier
Be connected with the resistance R19, the negative input end of the operational amplifier connects reference voltage circuit, the operational amplifier it is defeated
Outlet connects output end of the resistance R15 as the comparison circuit；The amplifying circuit includes triode, the base stage of the triode
The output end of the comparison circuit is connected, emitter is connected with ground terminal, and collector is connected in parallel light emitting diode D7's respectively
Cathode, diode D3 positive and described relay switch K1 coil one end, the anode of the light emitting diode D7 passes through
The resistance R1 connection power end, the cathode of the diode D3 connect power end, the coil of the relay switch K1 it is another
One end connects power end；One of stationary contact of the relay switch K1 connects second connector.
As shown in Fig. 4, the switching value input circuit includes the second connector, and is connected in described second in parallel and connects
Connect several On-off signal branches of device；On-off signal branch described in every road includes resistance R16, resistance R34, light-emitting diodes
Pipe D17, capacitor C16 and photoelectrical coupler IC16；The one end the resistance R16 connects second connector, and the other end connects institute
The anode of light emitting diode D17 is stated, the cathode of the light emitting diode D17 is connected with ground terminal；Resistance R34 one end connection
Second connector, the other end are connected by the capacitor C16 with ground terminal；The first pin of the photoelectrical coupler IC16
The both ends the capacitor C16 are connected in parallel with second pin, and third pin is connected with ground terminal, and the 4th pin and described second connects
Device is connect to be connected.
As shown in Fig. 5, the switching value output circuit includes third connector, and is connected in the third in parallel and connects
Connect several output switch parameter branches of device；Every way switch amount output branch includes photoelectrical coupler IC1, triode QN1, shines
Diode D5, diode D1, relay switch K1, resistance R1, resistance R5, resistance R9 and resistance R13；The photoelectrical coupler
The first pin of IC1 is connected by the resistance R9 connection third connector, second pin with ground terminal, and third pin is logical
The base stage that the resistance R13 connects the triode QN1 is crossed, the 4th pin passes through the resistance R5 connection power end；Described three
The emitter of pole pipe QN1 is connected with ground terminal, and the collector of the triode QN1 is connected in parallel the light emitting diode D5 respectively
Cathode, the diode D1 positive and described relay switch K1 coil one end, the light emitting diode D5 is just
Pole connects power end, the line of the relay switch K1 by the resistance R1 connection power end, the cathode of the diode D1
The other end of circle connects power end；The stationary contact of the relay switch K1 connects the third connector.
Specifically, the model S-72- of first connector, second connector and the third connector
2.54-5。
Specifically, the needle plate lift drive mechanism 2 includes support frame, and the cylinder being arranged on support frame as described above,
The telescopic end of the cylinder is arranged in the top board 3.The top board 3 is removably disposed in the needle plate elevator drive machine
On the telescopic end of structure 2.After PCBA board to be measured is placed, the cylinder drives the top board 3 to decline, and compresses the PCBA to be measured
Plate keeps good connection so that the test needle plate 4 is connect with the test point in PCBA board to be measured, so that the data are adopted
Collection plate can acquire the test signal of the PCBA board to be measured in real time.The needle plate lift drive mechanism 2 can using cylinder or
Other devices with similar functions of person.
In order to meet the testing requirement of different PCBA boards, the test needle plate 4 is removably embedded in the testboard 1
On；The data acquisition board is arranged below the test needle plate 4, collects the test signal of the PCBA board to be measured in real time,
And it is transmitted to the host computer 5 and is stored.
Specifically, the utility model further includes the power module for PCBA board to be measured power supply, the power module setting exists
5 lower section of host computer.The host computer 5 uses computer, and the host computer 5 is also communicated with MES server and interconnected, to incite somebody to action
The test signal for collecting the PCBA board to be measured in real time is transmitted to the MES server and is stored.
Specifically, being additionally provided with total power switch and testing button switch 6 on the testboard 1；1 bottom of testboard
Universal wheel 7 is installed, convenient for the placement and movement of this test device.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (10)
1. a kind of PCBA board test device, including testboard and test device, which is characterized in that the test device includes:
Test needle plate is arranged on the testboard, for placing and being electrically connected PCBA board to be measured；
Data acquisition board is connect with the test needle plate, for acquiring the test signal of the PCBA board to be measured in real time；
Needle plate lift drive mechanism, lift side are provided with top board corresponding with the test needle plate, by driving the upper pressure
Plate moves up and down compression or release PCBA board to be measured；
Host computer is connect with the data acquisition board, is exported according to the test signal and is shown test result.
2. PCBA board test device according to claim 1, it is characterised in that: the data acquisition board includes master control borad,
And voltage collection circuit, switching value input circuit and the switching value output circuit being connected with the master control borad.
3. PCBA board test device according to claim 2, it is characterised in that: the voltage collection circuit includes the first company
Device is connect, and is connected in several voltage acquisition branches of first connector in parallel；Voltage acquisition branch described in every road wraps
Include sequentially connected protection circuit, comparison circuit and amplifying circuit.
4. PCBA board test device according to claim 2, it is characterised in that: the switching value input circuit includes second
Connector, and it is connected in several On-off signal branches of second connector in parallel；On-off signal branch described in every road
Road includes resistance R16, resistance R34, light emitting diode D17, capacitor C16 and photoelectrical coupler IC16；
The one end the resistance R16 connects second connector, and the other end connects the anode of the light emitting diode D17, described
The cathode of light emitting diode D17 is connected with ground terminal；Described resistance R34 one end connects second connector, and the other end passes through
The capacitor C16 is connected with ground terminal；The first pin and second pin of the photoelectrical coupler IC16 is connected in parallel described
The both ends capacitor C16, third pin are connected with ground terminal, and the 4th pin is connected with second connector.
5. PCBA board test device according to claim 2, it is characterised in that: the switching value output circuit includes third
Connector, and it is connected in several output switch parameter branches of the third connector in parallel；Every way switch amount output branch is equal
Including photoelectrical coupler IC1, triode QN1, light emitting diode D5, diode D1, relay switch K1, resistance R1, resistance R5,
Resistance R9 and resistance R13；
The first pin of the photoelectrical coupler IC1 by the resistance R9 connection third connector, second pin with connect
Ground terminal is connected, and third pin connects the base stage of the triode QN1 by the resistance R13, and the 4th pin passes through the resistance
R5 connection power end；The emitter of the triode QN1 is connected with ground terminal, and the collector of the triode QN1 is in parallel respectively
Connect the cathode of the light emitting diode D5, the positive and described relay switch K1 of the diode D1 coil one end,
The anode of the light emitting diode D5 connects power end by the resistance R1 connection power end, the cathode of the diode D1,
The other end of the coil of the relay switch K1 connects power end；The stationary contact of the relay switch K1 connects the third
Connector.
6. PCBA board test device according to claim 1, it is characterised in that: the needle plate lift drive mechanism includes branch
The telescopic end of the cylinder is arranged in support, and the cylinder being arranged on support frame as described above, the top board.
7. PCBA board test device according to claim 1, it is characterised in that: the test needle plate is removably embedded in
On the testboard.
8. PCBA board test device according to claim 1, it is characterised in that: the data acquisition board is arranged in the survey
Below test point plate.
9. PCBA board test device according to claim 1, it is characterised in that: the host computer is also logical with MES server
News interconnection.
10. PCBA board test device according to claim 1, it is characterised in that: the top board is removably disposed in
On the needle plate lift drive mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453256.8U CN208872846U (en) | 2018-09-06 | 2018-09-06 | A kind of PCBA board test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453256.8U CN208872846U (en) | 2018-09-06 | 2018-09-06 | A kind of PCBA board test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208872846U true CN208872846U (en) | 2019-05-17 |
Family
ID=66466853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821453256.8U Active CN208872846U (en) | 2018-09-06 | 2018-09-06 | A kind of PCBA board test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208872846U (en) |
-
2018
- 2018-09-06 CN CN201821453256.8U patent/CN208872846U/en active Active
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