CN108181573A - The test device of PCBA - Google Patents
The test device of PCBA Download PDFInfo
- Publication number
- CN108181573A CN108181573A CN201711484083.6A CN201711484083A CN108181573A CN 108181573 A CN108181573 A CN 108181573A CN 201711484083 A CN201711484083 A CN 201711484083A CN 108181573 A CN108181573 A CN 108181573A
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- Prior art keywords
- test
- circuit board
- pcba
- board under
- under test
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
A kind of test device of PCBA, including：Test bracket, for fixing circuit board under test；Test probe；Firmware is downloaded to the circuit board controller by circuit board under test by communication module from the host computer；The load blocks work is controlled in instruction of the circuit board controller according to set by the firmware；Detection module is used to detect the load blocks working condition and exports detection signal；Indicating module according to the detectable signal output of the detection signal, the firmware download state and the test probe transmission indicate the circuit board under test whether abnormal signal.The test device of above-mentioned PCBA can test the function of each load drive control, and the circuit board problem accurately can be judged, improve production first-pass yield, can so carry out batch testing, provide production efficiency, reduce cost.
Description
Technical field
The invention belongs to produce quality inspection technical field more particularly to a kind of test device of PCBA.
Background technology
At present, (Printed Circuit Board+Assembly, are assembled with the electronics by surface packaging technique to PCBA
The wiring board of device) batch production process in, due to factors such as the respective processing procedures of equipment and production operator, it is impossible to ensure
The PCBA finished products produced are all with uniformity and function has been entirely.This requires test is added in when PCBA is produced
Flow.For example test equipment and testing tool are added in, ensure that product export and the various parameters and index that design are completely the same.
Therefore, traditional PCBA test equipments and testing tool cannot carry out batch, and efficiency is low, and production cost is high to ask
Topic.
Invention content
The purpose of the present invention is to provide a kind of test devices of PCBA, it is intended to solve traditional PCB A test equipments and test
The problem of tool cannot carry out batch testing, and efficiency is low, and production cost is high.
A kind of test device of PCBA, including：
Test bracket, for fixing circuit board under test, the circuit board under test includes circuit board controller and the circuit
The electronic component of plate controller periphery；
Probe is tested, is connect with the port of the circuit board under test or pin；
Power module, for providing power supply；
Communication module, for being communicated with host computer and circuit board under test, the circuit board under test passes through the communication module
Firmware is downloaded to the circuit board controller from the host computer；
Load blocks, by being connect with the circuit board under test, in the circuit board controller according to set by the firmware
Fixed instruction controls the load blocks work；
Detection module, with the load blocks and connecting, for detecting the load blocks working condition and exporting detection
Signal；
Indicating module connect with the test probe, the communication module and the detection module, is believed according to the detection
Number, the detectable signal output of the firmware download state and the test probe transmission indicate whether the circuit board under test abnormal
Signal.
The test device of above-mentioned PCBA the voltage tester of PCBA, program can be downloaded test, the test of peripheral hardware storage chip,
Fuse detection signal testing, the fault-signal state-detection of each driving chip, SPI Flash chip readwrite tests；Test is each
The function of drive control is loaded, and the circuit board problem can accurately be judged, improves production first-pass yield, so
Batch testing can be carried out, production efficiency is provided, reduces cost.
Description of the drawings
Fig. 1 is the test device structure diagram of PCBA that present pre-ferred embodiments provide.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Referring to Fig. 1, the test device of the PCBA of present pre-ferred embodiments, including test bracket 11, test probe 12,
Power module 13, communication module 14, load blocks 15, detection module 16 and indicating module 17.
For test bracket 11 for fixing circuit board under test 100, the circuit board under test 100 includes circuit board controller 101
With the electronic component of 101 periphery of circuit board controller；Test port or the pin of probe 12 and the circuit board under test 100
Connection；Power module 13 is used to provide power supply；Communication module 14 is described for being communicated with host computer 200 and circuit board under test 100
Firmware is downloaded to the circuit board controller by circuit board under test 100 by the communication module 14 from the host computer 200
101；Load blocks 15 with the circuit board under test 100 by connecting, in the circuit board controller 101 according to the firmware institute
The instruction of setting controls the load blocks 15 to work；It detection module 16 and the load blocks 15 and connect, for detecting
It states 15 working condition of load blocks and exports detection signal；Indicating module 17 and the test probe 12, the communication module 14
It connects with the detection module 16, is transmitted according to the detection signal, the firmware download state and the test probe 12
Detectable signal output indicate the circuit board under test 100 whether abnormal signal.
Further, the test device of PCBA further includes signal testing module 18, and the signal testing module 18 is used to survey
Supply voltage on examination circuit board under test 100 measures and relay 19 controls.Signal testing module 18 passes through string with host computer 200
Mouth communication.
Specifically, load blocks 15 include motor, sensor and commutator.Motor is including at least one stepper motor and extremely
A few brush direct current motor.Commutator includes at least one two-phase commutator and at least one three-phase commutator.
Further, the test device of PCBA further includes at least one relay 19, the relay 19 and the test
Probe 12 connects, for controlling the break-make of each test 12 place link of probe.
Specifically, communication module 14 includes that there is USB interface to turn JTGA (Joint Test Action Group；Joint is surveyed
Examination working group) interface and USB interface turn CAN (Controller Area Network, controller local area network's debugging board) bus
The debugging circuit board of interface is communicated between debugging circuit board and circuit board under test 100 with CAN bus, debugging circuit board with it is upper
It is communicated between machine 200 with USB port.Detection module 16 includes grating sensor.Indicating module 17 includes buzzer, test result
At least one of indicator light and paper money door indicator light.
More specifically, the function of upper box control panel that the test device of this PCBA is used to test in finance device includes：
Power on preceding short-circuit test；Voltage tester；Test program is downloaded；Peripheral hardware storage chip is tested；Fuse detects signal；Fault-signal
Detection；SPI (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) Flash chip is read and write；Electromechanical testing；Commutation
Device is tested；Sensor test；Paper money door indicates lamp test；Red green indicator light shows result test.
Wherein, circuit board under test 100 controls PCBA for upper box.Circuit board under test 100 includes multiple functions of circuit
Module, three STM32 (ARM Cortex-M kernels) programmable and that program can be downloaded.Then three STM32 and core board
Main control chip AM3517 (foregoing circuit plate controller 101) is communicated.
In one embodiment, test device includes：One piece of JCAN circuit board；One block signal test board；One piece it is to be measured on
Case control plate；One 220V turns+24V power packs；9 stepper motors, 1 brush direct current motor, 2 two-phase commutators, 1
Three-phase commutator, 6 relays 19 and panel leds and switch 20：Panel leds are specially：2 panel LED lights
(red, green), 1 total power switch, 2 LED light-guiding pillars (power supply indicator of circuit board under test 100).Switch 20 includes：1
On ＆ off switch (control test bracket 11), 1 emergent stopping key and 1 total power switch.Buzzer is driven by signal testing plate, is used
In the auditory tone cues that test is abnormal.
Power pack provides 24V power inputs for circuit board under test 100, and the power supply indicator of circuit board under test 100 is by leading
Light beam is shown on the panel of test device.
Motor and commutator point are connected to the motor drive terminal mouth and commutator of circuit board under test 100 by testing probe 12
Drive port.When starting detection, the circuit board controller 101 of circuit board under test 100 controls motor to be revolved with certain speed and direction
Turn, the grating sensor in test device detects velocity of rotation and the direction of motor, and detection signal is fed back to circuit board
Controller 101, while measurement jig is by judging whether feedback signal normally judges whether motor-drive circuit is normal.Together
Reason, circuit board under test 100 drive commutator control circuit by circuit board controller 101, control the commutator in test device
Commutation, signal is fed back to circuit board controller 101 by commutator, if signal is normal, test device judges that commutator controls
Partial circuit is normal, otherwise abnormal.Relay 19 in test device is connected to the sensing on circuit board under test 100 by test
Device receives end interface, other interfaces can be used for the connection of external meters, such as measure the voltmeter of voltage.
The test device of above-mentioned PCBA the voltage tester of PCBA, program can be downloaded test, the test of peripheral hardware storage chip,
Fuse detection signal testing, the fault-signal state-detection of each driving chip, SPI Flash chip readwrite tests；Test is each
The function of drive control is loaded, tests the function of each drive and control of electric machine, the control test including direction and speed；Test is respectively changed
The function of switching to device control circuit to direction；Test sensor emission driving circuit and receiving circuit function；It and can be to circuit
The plate problem is accurately judged, improves production first-pass yield, can so be carried out batch testing, be provided production efficiency,
Reduce cost.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of test device of PCBA, which is characterized in that including：
Test bracket, for fixing circuit board under test, the circuit board under test includes circuit board controller and the circuit board control
The electronic component of device periphery processed；
Probe is tested, is connect with the port of the circuit board under test or pin；
Power module, for providing power supply；
Communication module, for being communicated with host computer and circuit board under test, the circuit board under test will be solid by the communication module
Part is downloaded to the circuit board controller from the host computer；
Load blocks, by being connect with the circuit board under test, in the circuit board controller according to set by the firmware
Instruction controls the load blocks work；
Detection module, with the load blocks and connecting, for detecting the load blocks working condition and exporting detection signal；
Indicating module connect with the test probe, the communication module and the detection module, according to it is described detect signal,
The detectable signal output of the firmware download state and the test probe transmission indicates whether the circuit board under test is abnormal
Signal.
2. the test device of PCBA as described in claim 1, which is characterized in that further include signal testing module, the signal
The supply voltage that test module is used to test on circuit board under test measures and relay control.
3. the test device of PCBA as described in claim 1, which is characterized in that the load blocks include motor, sensor
And commutator.
4. the test device of PCBA as claimed in claim 3, which is characterized in that the motor includes at least one stepper motor
With at least one brush direct current motor.
5. the test device of PCBA as claimed in claim 3, which is characterized in that the commutator is changed including at least one two-phase
To device and at least one three-phase commutator.
6. the test device of PCBA as described in claim 1, which is characterized in that further include at least one relay, it is described after
Electric appliance is connect with the test probe, for controlling the break-make of each test probe place link.
7. the test device of PCBA as described in claim 1, which is characterized in that the communication module includes having USB interface
Turn JTGA interfaces and USB interface turns the debugging circuit board of CAN interface.
8. the test device of PCBA as described in claim 1, which is characterized in that the detection module includes grating sensor.
9. the test device of PCBA as described in claim 1, which is characterized in that the indicating module includes buzzer, test
As a result at least one of indicator light and paper money door indicator light.
10. the test device of PCBA as described in claim 1, which is characterized in that the circuit board under test is finance device
Upper box control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711484083.6A CN108181573A (en) | 2017-12-29 | 2017-12-29 | The test device of PCBA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711484083.6A CN108181573A (en) | 2017-12-29 | 2017-12-29 | The test device of PCBA |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108181573A true CN108181573A (en) | 2018-06-19 |
Family
ID=62549250
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711484083.6A Pending CN108181573A (en) | 2017-12-29 | 2017-12-29 | The test device of PCBA |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116217A (en) * | 2018-08-28 | 2019-01-01 | 惠州市金田科技有限公司 | A kind of frequency converter PCBA board test macro |
| CN110412976A (en) * | 2019-08-28 | 2019-11-05 | 中国农业大学 | A kind of function test system and its test method of electric machine controller PCBA board |
| CN110488176A (en) * | 2019-08-02 | 2019-11-22 | 上海芯旺微电子技术有限公司 | A kind of integrated circuit testing plate and its application method |
| CN111413609A (en) * | 2020-04-22 | 2020-07-14 | 苏州市运泰利自动化设备有限公司 | PCBA function detection system and method |
| CN112034323A (en) * | 2019-06-03 | 2020-12-04 | 神讯电脑(昆山)有限公司 | Method and system for detecting circuit board connection circuit |
| CN112986795A (en) * | 2021-02-06 | 2021-06-18 | 中电装备山东电子有限公司 | End sensing terminal PCBA test tool fixture, system and control method thereof |
| CN113514752A (en) * | 2021-04-13 | 2021-10-19 | 深圳市太美亚电子科技有限公司 | Circuit board multi-performance parameter synchronous test system and device |
| CN113687214A (en) * | 2021-08-03 | 2021-11-23 | 浙江台运汽车科技有限公司 | LabVIEW-based assembled printed circuit board detection device and method thereof |
| CN114088991A (en) * | 2021-11-08 | 2022-02-25 | 广东乐心医疗电子股份有限公司 | Circuit board testing method, device and system |
| CN113687214B (en) * | 2021-08-03 | 2024-07-09 | 浙江台运汽车科技有限公司 | LabVIEW-based assembly printed circuit board detection device and method thereof |
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| CN205844473U (en) * | 2016-05-13 | 2016-12-28 | 广州市思林杰自动化科技有限公司 | A kind of device for testing functions for testing PCBA |
| CN106940420A (en) * | 2016-01-04 | 2017-07-11 | 株洲南车时代电气股份有限公司 | A kind of automatic paralleling insulation pressure-resistant test systems of PCBA and device |
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| CN101344562A (en) * | 2008-08-26 | 2009-01-14 | 深圳市同洲电子股份有限公司 | Test method and device for circuit printing plate component |
| CN102590730A (en) * | 2012-01-16 | 2012-07-18 | 中冶南方（武汉）自动化有限公司 | Modularized open PCBA (Printed Circuit Board Assembly) functional circuit test platform, system and method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116217A (en) * | 2018-08-28 | 2019-01-01 | 惠州市金田科技有限公司 | A kind of frequency converter PCBA board test macro |
| CN112034323A (en) * | 2019-06-03 | 2020-12-04 | 神讯电脑(昆山)有限公司 | Method and system for detecting circuit board connection circuit |
| CN110488176A (en) * | 2019-08-02 | 2019-11-22 | 上海芯旺微电子技术有限公司 | A kind of integrated circuit testing plate and its application method |
| CN110412976A (en) * | 2019-08-28 | 2019-11-05 | 中国农业大学 | A kind of function test system and its test method of electric machine controller PCBA board |
| CN110412976B (en) * | 2019-08-28 | 2024-05-28 | 中国农业大学 | Function test system and test method of PCBA (printed circuit board assembly) of motor controller |
| CN111413609A (en) * | 2020-04-22 | 2020-07-14 | 苏州市运泰利自动化设备有限公司 | PCBA function detection system and method |
| CN112986795A (en) * | 2021-02-06 | 2021-06-18 | 中电装备山东电子有限公司 | End sensing terminal PCBA test tool fixture, system and control method thereof |
| CN113514752A (en) * | 2021-04-13 | 2021-10-19 | 深圳市太美亚电子科技有限公司 | Circuit board multi-performance parameter synchronous test system and device |
| CN113687214A (en) * | 2021-08-03 | 2021-11-23 | 浙江台运汽车科技有限公司 | LabVIEW-based assembled printed circuit board detection device and method thereof |
| CN113687214B (en) * | 2021-08-03 | 2024-07-09 | 浙江台运汽车科技有限公司 | LabVIEW-based assembly printed circuit board detection device and method thereof |
| CN114088991A (en) * | 2021-11-08 | 2022-02-25 | 广东乐心医疗电子股份有限公司 | Circuit board testing method, device and system |
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Application publication date: 20180619 |
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