CN108076660A - A kind of device and method of PCBA functional tests - Google Patents
A kind of device and method of PCBA functional tests Download PDFInfo
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- CN108076660A CN108076660A CN201680038376.9A CN201680038376A CN108076660A CN 108076660 A CN108076660 A CN 108076660A CN 201680038376 A CN201680038376 A CN 201680038376A CN 108076660 A CN108076660 A CN 108076660A
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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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- 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
Abstract
A kind of PCBA test devices and method, the test device include：Control device (101), networking medium (102) and test device (103)；Control device (101) is connected with networking medium (102)；Networking medium (102) is connected with test device (103)；Control device (101) is used to send address scan instruction to networking medium (102), and the address of the test device (103) on networking medium (102) is connected to for inquiry；Networking medium (102) is used to connect control device (101) and multiple test devices (103)；When test device (103) is connected to networking medium (102), test device (103) instructs for receiving address scan, and the address of this test device (103) is sent to control device (101) so that control device (101) records and stores the address for the multiple test devices (103) being connected on networking medium (102)；When control device (101) and multiple test devices (103) are completed to connect, multiple test devices (103) are used to be detected multiple PCBA to be measured.The test device can improve the detection efficiency of PCBA.
Description
Technical field
The present invention relates to automation control area more particularly to a kind of device and methods of PCBA functional tests.
Background technology
PCBA (Printed Circuit Board Assembly) plate, i.e. PCB (Printed Circuit Board) warps
The production board being assembled into after other processes is crossed, in short, being exactly the pcb board that electronic component is welded.Assembled product from
The generating process of PCB to finished product will carry out a series of test job, and the important test item of one of which is exactly the basic of product
Functional test.
Many products are often spliced by several pieces of PCBA, and using can just become finished product after complicated assembling, finished product leads to
It is fairly simple often to carry out Function detection, but becomes very time-consuming once the repair that goes wrong.
Existing PCBA test devices call different test programs to treat one in measurement process, by control system
It surveys PCBA to be detected, the test parameter for the test fixture output that data acquisition module reception is connected with PCBA to be measured, and feeds back
To control system, by the test report of control system generation PCBA.
Existing PCBA test devices can only simultaneously test a PCBA, cause detection PCBA in the unit interval
The problem of quantity immobilizes, and detection efficiency is low.
The content of the invention
On the one hand the embodiment of the present invention provides a kind of device of PCBA functional tests, including：Control device, networking medium
And test device；Control device is connected with networking medium；Networking medium is connected with test device；
Control device is used to send address scan instruction, the survey being connected to for inquiry on networking medium to networking medium
The address that trial assembly is put；Networking medium is used to connect control device and multiple test devices；When test device is connected to networking medium
When, test device instructs for receiving address scan, and the address of this test device is sent to control device so that control device
It records and stores the address for being connected to multiple test devices on networking medium；When control device and multiple test devices are completed to connect
When connecing, multiple test devices are used to be detected multiple PCBA to be measured.
On the other hand the embodiment of the present invention provides a kind of method of PCBA functional tests, including：When test device is connected to
During networking medium, the address scan that test device is sent by networking medium receiving control device instructs；Test device base area
Location scan instruction sends the address of this test device to control device so that control device is recorded and stored and networking medium phase
The address of multiple test devices even；When multiple test devices are connected to control device, multiple test devices are to multiple to be measured
PCBA is detected.
In technical solution provided in an embodiment of the present invention, a control device can connect multiple test devices and carry out simultaneously
The detection of multiple PCBA realizes the increase of detection PCBA quantity in the unit interval, so as to improve detection efficiency.
Description of the drawings
Fig. 1 is the schematic diagram of PCBA device for testing functions one embodiment in the embodiment of the present invention；
Fig. 2 is the schematic diagram of another embodiment of PCBA device for testing functions in the embodiment of the present invention；
Fig. 3 is the schematic diagram of another embodiment of PCBA device for testing functions in the embodiment of the present invention；
Fig. 4 is the schematic diagram of PCBA function test method one embodiment in the embodiment of the present invention；
Fig. 5 is the schematic diagram of another embodiment of PCBA function test methods in the embodiment of the present invention；
Fig. 6 is the schematic diagram of another embodiment of PCBA function test methods in the embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, the every other implementation that those skilled in the art are obtained without creative efforts
Example, belongs to the scope of protection of the invention.
Term " first ", " second ", " the 3rd " in description and claims of this specification and above-mentioned attached drawing, "
The (if present)s such as four " are the objects for distinguishing similar, without being used to describe specific order or precedence.It should manage
The data that solution so uses can exchange in the appropriate case, so that the embodiments described herein can be with except illustrating herein
Or the order beyond the content of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment need not limit
In those steps or unit for clearly listing, but may include not list clearly or for these processes, method, production
The intrinsic other steps of product or equipment or unit.
An embodiment of the present invention provides a kind of device and method of PCBA functional tests, for improving the effect of PCBA detections
Rate reduces testing cost.
Referring to Fig. 1, one embodiment of PCBA device for testing functions includes in the embodiment of the present invention：
Control device 101, networking medium 102 and test device 103, wherein control device 101 and 102 phase of networking medium
Even, networking medium 102 is connected with test device 103.
Control device 101 for sending address scan instruction to networking medium 102, is connected to networking for inquiry and is situated between
The address of each test device in matter 102；
Networking medium 102, for connecting control device 101 and multiple test devices 103；
Test device 103, for when test device 103 is connected to networking medium 102, receiving address scan instruction, and
The address of this test device of this test device is sent to control device 101 so that control device 101, which is recorded and stored, is connected to group
The address of each test device on net medium 102.
When the control device 101 is completed to connect with multiple test devices 103, multiple test devices 103
For being detected to multiple PCBA to be measured.
In the present embodiment, a control device 101 can connect the inspection that multiple test devices 103 carry out multiple PCBA simultaneously
It surveys, the increase of detection PCBA quantity in the unit interval is realized, so as to improve detection efficiency.
For ease of understanding, it is described in detail below the PCBA device for testing functions in the embodiment of the present invention, networking medium can be with
Control device and test device are connected by two ways, described from every side below：
First, control device is connected by wired networking medium with test device；
Referring to Fig. 2, another embodiment of PCBA device for testing functions includes in the embodiment of the present invention：
Control device 201, networking medium 202 and test device 203, wherein control device 201 and 202 phase of networking medium
Even, networking medium 202 is connected with test device 203.
Control device 201 for sending address scan instruction to networking medium 202, is connected to networking for inquiry and is situated between
The address of each test device in matter 202；
Networking medium 202, for connecting control device 201 and multiple test devices 203；
Test device 203, for when test device 203 is connected to networking medium 202, receiving address scan instruction, and
The address of this test device of this test device is sent to control device 201 so that control device 201, which is recorded and stored, is connected to group
The address of each test device on net medium 202；
When the control device 201 is completed to connect with multiple test devices 203, multiple test devices 203
For being detected to multiple PCBA to be measured.
Control device 201 in the present embodiment includes：
Control system 2011, for communicating with test device 203；
PC machine 2012, for installation control system 2011.
Networking medium 202 in the present embodiment includes：
Wired networking medium 2021, for connecting control device 201 and multiple test devices 203；
Test device 203 in the present embodiment includes：
Communication module 2031, command process module 2032, PCBA power modules 2033, signal generating module 2034, test
Frock module 2035, signal acquisition module 2036, test fixture parameter acquisition module 2037, the control of PCBA voltages and monitoring module
2038th, state instruction lamp module 2039 and function button module 2040；
Communication module 2031 is connected with control device 201 and command process module 2032, command process module 2032 with
PCBA voltages control and monitoring module 2038, signal generating module 2034 and status display lamp module 2040 are connected, PCBA voltages
Control and monitoring module 2038 are connected with PCBA power modules 2033, PCBA power modules 2033 and 2035 phase of test fixture module
Even, signal generating module 2034 is connected with test fixture module 2035, test fixture module 2035 and test fixture parameter acquiring
Module 2037 and signal acquisition module 2036 are connected, and test fixture parameter acquisition module 2037 and signal acquisition module 2036 are distinguished
It is connected with instruction process unit 2032, function button module 2040 is connected with command process module 2032, PCBA to be measured and test
Frock module 2035 is connected；
Communication module 2031 for communicating with control device 201, and sends instruction simultaneously to command process module 2032
Receive the information that command process module 2032 is sent；
For reading and parsing the instruction of the transmission of communication module 2031, and to signal mould occurs for command process module 2032
Block 2034 and PCBA power supplys control and monitoring module 2039 send instruction, while receive test fixture parameter acquisition module 2037,
The signal data that signal acquisition module 2036 and function button module 2040 are sent；
PCBA power modules 2033, for powering to test fixture module 2035；
Signal generating module 2034, the instruction for being sent according to command process module 2032 generates test signal, to survey
Die-filling piece of transmission test signal of trial work；
Test fixture module 2035, for connecting PCBA to be measured；
Signal acquisition module 2036, for receiving the output signal for the PCBA to be measured being connected with test fixture module 2035,
And it is sent to command process module 2032；
Test fixture parameter acquisition module 2037 for obtaining the type of test fixture module 2035, and is sent to instruction
Processing module 2032；
PCBA voltages control and monitoring module 2038, for the instruction sent according to communication module 2031, at instruction
Reason module 2032 is powered on to the transmission of PCBA power modules 2033 or lower electric signal；
State instruction lamp module 2039 for receiving the instruction of the transmission of command process module 2032, and is touched according to the instruction
The bright light instruction for sending out different；
Function button module 2040, for receiving one-key start test or test device reset instruction input by user.
In the present embodiment, a control device 201 can connect multiple test devices 203 and carry out a variety of PCBA inspections simultaneously
It surveys, and when being powered on to PCBA to be measured, electric control and monitoring module 2039 on the PCBA in test device, in PCBA to be measured
Output voltage exceed threshold value when, lower electric protection is carried out to PCBA to be measured, detection efficiency is improved, reduces testing cost.
In the present embodiment, networking medium 202 realizes that control device 201 is filled with multiple tests by wired networking medium 2021
The connection between 203 is put, improves the exploitativeness of scheme.
2nd, control device is connected by wireless networking medium with test device；
Referring to Fig. 3, another embodiment of PCBA device for testing functions includes in the embodiment of the present invention：
Control device 301, networking medium 302 and test device 303；
Control device 301, it is real shown in the connection relation and effect and Fig. 2 between networking medium 302 and test device 303
It applies in example 201,202 and 203 connection relation and effect is similar, details are not described herein again.
Control device 301 in the present embodiment includes：
Control system 3011, for communicating with test device 303；
PC machine 3012, for installation control system 3011.
Networking medium 302 in the present embodiment includes：
Wireless networking medium 3022, for connecting control device 301 and multiple test devices 303；
Test device 303 in the present embodiment includes：
Communication module 3031, command process module 3032, PCBA power modules 3033, signal generating module 3034, test
Frock module 3035, signal acquisition module 3036, test fixture parameter acquisition module 3037, the control of PCBA voltages and monitoring module
3038th, state instruction lamp module 3039 and function button module 3040；
Above-mentioned module 3031 to the connection relation between module 3040 and effect with embodiment illustrated in fig. 2 in module 2031 to
Connection relation and effect between module 2040 is similar, and details are not described herein again.
In the present embodiment, a control device 301 can connect multiple test devices 303 and carry out a variety of PCBA inspections simultaneously
It surveys, and when being powered on to PCBA to be measured, electric control and monitoring module 3038 on the PCBA in test device, in PCBA to be measured
Output voltage exceed threshold value when, lower electric protection is carried out to PCBA to be measured, detection efficiency is improved, reduces testing cost.
In the present embodiment, networking medium 302 realizes that control device 301 is filled with multiple tests by wireless networking medium 3022
The connection between 303 is put, improves the exploitativeness of scheme.
Described above is the devices of the PCBA Function detections in the embodiment of the present invention, will be described below in the embodiment of the present invention
PCBA Function detections method.
Referring to Fig. 4, one embodiment of PCBA function test methods includes in the embodiment of the present invention：
401st, the address scan that test device is sent by networking medium receiving control device instructs；
When detecting PCBA to be measured, it is necessary to first connect test device, i.e., control device is connected with networking medium, networking
Medium is connected with test device, and after control device, networking medium and test device is started, control device can be sent out to networking medium
Address scan is sent to instruct, when test device is connected to networking medium, then the address scan that can receive control device transmission refers to
Order.
402nd, test device sends the address of this test device to control device according to address scan instruction；
After the communication module of test device receives the address scan instruction of control device transmission, it can be replied to control device
The address of the test device can be recorded and stored by the address of this test device, control device.
When there is multiple test devices to be connected to networking medium, the communication module in each test device can receive control
The address scan instruction that device processed is sent, and to the address of each test device of control device reply, control device can will be remembered
It records and stores the address of each test device, be connected so as to fulfill a control device with multiple test devices.
403rd, multiple test devices are detected multiple PCBA to be measured.
When multiple test devices are connected respectively to control device, test device can be used to carry out multiple PCBA to be measured
Detection.
In the present embodiment, a control device can connect multiple test devices and carry out multiple PCBA detections simultaneously, improve
Detection efficiency, reduces testing cost.
For ease of understanding, the method for the PCBA functional tests in the embodiment of the present invention is described in detail below.
In above-described embodiment, networking medium can connect control device and test device by two ways, below from each
Aspect describes：
First, control device is connected by wired networking medium with test device；
Referring to Fig. 5, another embodiment of PCBA function test methods includes in the embodiment of the present invention：
501st, the address scan that test device is sent by wired networking medium receiving control device instructs；
When detecting PCBA to be measured, it is necessary to first connect test device, i.e., control device is connected with wired networking medium,
Wired networking medium is connected with test device, after control device, wired networking medium and test device is started, control device meeting
Address scan is sent by wired networking medium to test device to instruct, test device can receive the address of control device transmission
Scan instruction.
It is understood that wired networking medium in the present embodiment can be cable network router, can buses,
Control device and test device can be connected the medium realized and communicate by RS485 buses or Modbus buses etc., specifically this
Place is not construed as limiting.
Address scan instruction in the present embodiment can be that IP address scanning broadcast corresponding with cable network router refers to
Order or device address corresponding with can buses scan instruction or device address corresponding with RS485 buses scan instruction or with
The address scan instruction corresponding with wired networking medium such as the corresponding device address scan instruction of Modbus buses, specifically herein
It is not construed as limiting.
502nd, test device sends the ground of this test device of this test device to control device according to address scan instruction
Location；
When networking medium is cable network router, be connected to multiple test devices on cable network router according to
The IP address scanning broadcasting instructions that control device is sent, while with replying to control device the IP of this test device this test device
Location so that control device records and stores the IP address for the multiple test devices being connected with wired network routing device.
When networking medium is Can buses, RS485 buses or during Modbus buses, be connected to Can buses, RS485 buses or
The device address scan instruction that multiple communication modules in Modbus buses are sent according to control device order fills respectively to control
Put back into the device address of this test device of duplicate test device so that control device is recorded and stored total with Can buses, RS485
The device address for multiple test devices that line or Modbus buses are connected.
503rd, this test device this test device that test device is sent by wired networking medium receiving control device
Location scan instruction；
Control device records and stores the address of all test devices, in order to determine the correspondence with each test device
Relation, user can be with the address scan order buttons in operating control device, to each test being stored in during control device is sent
Device sends corresponding with each test device address scan and instructs, and is connected to each test device on wired networking medium i.e.
The address scan instruction of this test device of this test device can be received.
It should be noted that in the present embodiment this test device of this test device address scan instruction can be with it is wired
Corresponding test device this test device IP address scan instruction of network router or corresponding with can buses test dress
Put this test device device address scan instruction or corresponding with RS485 buses this test device of test device device address
Scan instruction or corresponding with Modbus buses this test device of test device device address scan instruction etc. and wired networking
Corresponding this test device of test device address scan instruction of medium, this is not limited here.
504th, test device sends state triggering command by command process module to state instruction lamp module, described in triggering
State instruction lamp module bright light；
After the communication module of test device receives the address scan instruction of this test device, command process module is sent to,
Command process module parses the instruction, state triggering command is sent to state instruction lamp module, so as to which triggering state refers to
Show lamp module bright light, and then determine control device and the correspondence of the test device.
505th, test device obtains test fixture type by test fixture parameter acquisition module and command process module, and
It is sent to control device；
When receiving this test device address scan instruction of control device transmission in test device, pass through test fixture
The type parameter of parameter acquisition module active obtaining test fixture, is sent to control device.
What the 506th, test device receiving control device was sent powers on instruction；
After control device receives the type parameter of test fixture, it can be issued to test device and power on instruction, for the company of giving
The PCBA to be measured being connected on test fixture is powered on.
507th, test device is sent out by electric control in command process module and PCBA and monitoring module to PCBA power modules
Serve electric signal；
The communication module of test device, which receives, powers on instruction, and to electric control on PCBA and mould is monitored by command process module
Block sends power on signal, and power on signal is sent to PCBA power modules by the upper electric control of PCBA and monitoring module, so as to control
PCBA power modules give the PCBA to be measured that test fixture is connected and power on.
508th, test device is connected to be measured by command process module and signal acquisition module reception with test fixture
The output voltage of PCBA；
The real-time of PCBA outputs to be measured is received in the signal acquisition module after the power is turned on, being connected to PCBA to be measured with test fixture
Voltage, and pass through command process module and be sent to communication module, communication module can receive the output voltage of PCBA to be measured.
If the 509, communication module receives the PCBA output voltage abnormal signals of command process module transmission, test device will
PCBA output voltage abnormal signals are sent to control device, if communication module receives the PCBA outputs of command process module transmission
Voltage normal signal, then perform step 511；
If command process module judges that the output voltage signal of PCBA is abnormal, the electric voltage exception that test device exports PCBA
Signal is sent to control device so that control device further issues test crash instruction.
510th, the test crash instruction that test device receiving control device is sent, and pass through command process module and be sent to
The upper electric control of PCBA and monitoring module and state instruction lamp module；
Control device receives the PCBA output voltage abnormal signals of test device transmission, you can sends and tests to test device
Failure command, communication module receive test crash instruction after, by command process module be sent to state instruction lamp module and
The upper electric control of PCBA and monitoring module and state instruction lamp module so that it is electric under PCBA to be measured, while cause status indicator lamp
Module is alarmed.
If the 511, communication module receives the PCBA output voltage normal signals of command process module transmission, test device will
PCBA output voltage normal signals are sent to control device；
If command process module judges that the output voltage signal of PCBA is normal, the voltage that test device exports PCBA is normal
Signal is sent to control device so that control device further issues test instruction.
512nd, the test instruction that test device receiving control device is sent；
After control device receives the output voltage normal signal of PCBA to be measured, according to the type parameter of test fixture, adjust
The test of response is taken to instruct and is sent to test device, for further testing other functions of PCBA.
513rd, test device by command process module and signal generating module to described in being connected with the test fixture
PCBA to be measured sends test signal；
After test device receives the test instruction of control device transmission, signal is sent to by command process module
Module so that signal generating module generates dedicated test signal, and is sent to PCBA to be measured.
514th, test device is connected to be measured by command process module and signal acquisition module reception with test fixture
The output signal that PCBA is sent, and output signal is sent to control device；
After PCBA to be measured receives test signal, signal acquisition module can receive be connected with test fixture it is to be measured
The output signal (such as pulse or low and high level) of PCBA, signal acquisition module is by the output signal (such as pulse or height electricity
It is flat) command process module is sent to, which is sent to communication by command process module
The output signal (such as pulse or low and high level) is further sent to control device by module, communication module so that control dress
It puts and judges whether the test sent instruction matches with the output signal (such as pulse or low and high level), if matching, to be measured
PCBA is normal, if mismatching, PCBA to be measured is abnormal.
It should be noted that the output signal in the present embodiment includes but not limited to pulse or low and high level, or
Other electric signals, do not limit specifically herein.
If the 515, PCBA to be measured is normal, the lower electricity that test device receiving control device is sent instructs, if PCBA to be measured is abnormal,
Then perform step 516；
If control device judges that PCBA test functions to be measured are normal, lower electricity instruction is sent to test device, test device is led to
It crosses command process module and is sent to PCBA controls and monitoring module so that it is electric under PCBA to be measured, terminate test.
If the 516, PCBA to be measured is abnormal, test device receiving control device sends test crash instruction, and passes through at instruction
Reason module is sent to electric control and monitoring module and state instruction lamp module on PCBA.
If control device judges that PCBA test functions to be measured are abnormal, test crash instruction, test dress are sent to test device
It puts and PCBA controls and monitoring module and state instruction lamp module is sent to by command process module so that PCBA power modules
Lower electricity, while cause state instruction lamp module alarm.
In the present embodiment, a control device can connect multiple test devices simultaneously, and by test fixture type
Matched test program is transferred in the judgement of parameter, carries out the detection for being carried out at the same time a variety of different types of PC BA, and to be measured
When PCBA is powered on, the output voltage of PCBA to be measured is monitored, and when the output voltage of PCBA to be measured exceeds threshold value, is treated
It surveys PCBA and carries out lower electric protection, improve detection efficiency, reduce testing cost.
In the present embodiment, networking medium passes through the company between wired networking media implementation control device and multiple test devices
It connects, improves the exploitativeness of scheme.
2nd, control device is connected by wireless networking medium with test device；
Referring to Fig. 6, another embodiment of PCBA function test methods includes in the embodiment of the present invention：
601st, the address scan that test device is sent by wireless networking medium receiving control device instructs；
When detecting PCBA to be measured, it is necessary to first connect test device, i.e., control device is connected with wireless networking medium,
Wireless networking medium is connected with test device, after control device, wireless networking medium and test device is started, control device meeting
Address scan is sent by wireless networking medium to test device to instruct, test device can receive the address of control device transmission
Scan instruction.
It is understood that the wireless networking medium in the present embodiment can be radio network router, bluetooth module or
Control device and test device can be connected the medium realized and communicated by Zigbee module etc., and the address in the present embodiment is swept
It can be corresponding with radio network router IP address scanning broadcasting instructions or equipment corresponding with bluetooth module to retouch instruction
Location scan instruction or device address corresponding with Zigbee module scan instruction etc. are swept with the corresponding address of wireless networking medium
Instruction is retouched, this is not limited here.
602nd, test device sends the address of this test device to control device according to address scan instruction；
When networking medium is radio network router, be connected to multiple test devices on radio network router according to
The IP address that control device is sent scans broadcasting instructions, while the IP address of this test device is replied to control device so that control
Device processed records and stores the IP address for the multiple test devices being connected with wired network routing device.
When networking medium is bluetooth module or Zigbee module, it is connected to multiple in bluetooth module or Zigbee module
The device address scan instruction that test device is sent according to control device, while the equipment for replying to control device this test device
Address so that control device records and with storing the equipment for the multiple test devices being connected with bluetooth module or Zigbee module
Location.
603rd, this test device address scan that test device is sent by wireless networking medium receiving control device instructs；
Control device records and stores the address of all test devices, in order to determine the correspondence with each test device
Relation, user can be with the address scan order buttons in operating control device, to each test being stored in during control device is sent
Device sends corresponding with each test device address scan and instructs, and is connected to each test device on wireless networking medium i.e.
The instruction of this test device address scan can be received.
It should be noted that this test device address scan instruction in the present embodiment can be and radio network router
Corresponding IP address scan instruction or corresponding with bluetooth module test device device address scan instruction or and Zigbee
Corresponding test device device address scan instruction of module etc. is swept with corresponding test device address of wireless networking medium
Instruction is retouched, this is not limited here.
604th, test device sends state triggering command by command process module to state instruction lamp module, described in triggering
State instruction lamp module bright light；
605th, test device obtains the type of test fixture by test fixture parameter acquisition module and command process module,
And it is sent to control device；
What the 606th, test device receiving control device was sent powers on instruction；
607th, test device is sent out by electric control in command process module and PCBA and monitoring module to PCBA power modules
Serve electric signal；
608th, test device is connected to be measured by command process module and signal acquisition module reception with test fixture
The output voltage of PCBA；
If the 609, communication module receives the PCBA output voltage abnormal signals of command process module transmission, test device will
PCBA output voltage abnormal signals are sent to control device, if communication module receives the PCBA outputs of command process module transmission
Voltage normal signal, then perform step 611；
610th, the test crash instruction that test device receiving control device is sent, and pass through command process module and be sent to
The upper electric control of PCBA and monitoring module and state instruction lamp module；
If the 611, communication module receives the PCBA output voltage normal signals of command process module transmission, test device will
PCBA output voltage normal signals are sent to control device；
612nd, the test instruction that test device receiving control device is sent；
613rd, test device by command process module and signal generating module to described in being connected with the test fixture
PCBA to be measured sends test signal；
614th, test device is connected to be measured by command process module and signal acquisition module reception with test fixture
The output signal that PCBA is sent, and output signal is sent to control device；
If the 615, PCBA to be measured is normal, the lower electricity that test device receiving control device is sent instructs, if PCBA to be measured is abnormal,
Then perform step 616；
If the 616, PCBA to be measured is abnormal, the test crash that test device receiving control device is sent instructs, and passes through instruction
Processing module is sent to electric control and monitoring module and state instruction lamp module on PCBA.
It should be noted that step 604 in the present embodiment is to 616 and the step 504 in embodiment illustrated in fig. 5 to 516
Similar, specific details are not described herein again.
In the present embodiment, a control device can connect multiple test devices simultaneously, and by test fixture type
Judgement, transfer matched test program, carry out the detection for being carried out at the same time a variety of different types of PC BA, and on to PCBA to be measured
When electric, the output voltage of PCBA to be measured is monitored, and when the output voltage of PCBA to be measured exceeds threshold value, to PCBA to be measured
Lower electric protection is carried out, improves detection efficiency, reduces testing cost.
In the present embodiment, networking medium passes through the company between wireless networking media implementation control device and multiple test devices
It connects, improves the exploitativeness of scheme.
Claims (17)
1. a kind of device of PCBA functional tests, which is characterized in that including：
Control device, networking medium and test device；
The control device is connected with the networking medium；
The networking medium is connected with the test device；
The control device is used to send address scan instruction to the networking medium, and being connected to the networking for inquiry is situated between
The address of the test device in matter；
The networking medium is used to connect the control device and multiple test devices；
When the test device is connected to the networking medium, the test device is used to receive described address scan instruction,
And the address of this test device is sent to the control device so that the control device, which is recorded and stored, is connected to the networking
The address of multiple test devices on medium；
When the control device is completed to connect with multiple test devices, multiple test devices are used for multiple to be measured
PCBA is detected.
2. the apparatus according to claim 1, which is characterized in that the test device includes：
Test fixture module, PCBA power modules；
The test fixture module is used to connect PCBA to be measured；
The PCBA power modules are used for the test fixture module for power supply.
3. the apparatus of claim 2, which is characterized in that the test device further includes：
Communication module, command process module, signal generating module and signal acquisition module；
The communication module is connected with the control device and described instruction processing module；
Described instruction processing module is connected with the signal generating module；
The signal generating module is connected with the test fixture module；
The signal acquisition module is connected with the test fixture module and described instruction processing module；
The communication module sends instruction to described instruction processing module and receives for communicating with the control device
The information that described instruction processing module is sent；
Described instruction processing module is used to reading and parse the instruction that the communication module is sent, and to the signal generating module
Send signal data；
The signal data that the signal generating module is used to be sent according to described instruction processing module generates test signal, and to institute
It states test fixture and sends the test signal；
The output signal for the PCBA to be measured that the signal acquisition module is connected for reception with the test fixture module, and
The output signal is sent to described instruction processing module.
4. device according to claim 3, which is characterized in that the output signal of the PCBA to be measured includes：
Pulse or the low and high level of real-time voltage and PCBA to be measured outputs on PCBA to be measured.
5. device according to claim 3, which is characterized in that the test device further includes：
The upper electric control of PCBA and monitoring module；
Electric control and monitoring module are connected with described instruction processing module and the PCBA power modules on the PCBA；
On the PCBA electric control and monitoring module be used to receiving the transmission of described instruction processing module power on or lower electricity instruction, and
It is powered on or lower electricity is instructed to PCBA power modules transmission and powered on or lower electric signal according to described.
6. device according to claim 3, which is characterized in that the test device further includes：
Test fixture parameter acquisition module；
The test fixture parameter acquisition module is connected with the test fixture and described instruction processing module；
The test fixture parameter acquisition module is used to obtain the type of the test fixture, and passes through described instruction processing module
It is sent to the communication module.
7. the device according to any one of claim 3 to 6, which is characterized in that the test device further includes：
Function button module and state instruction lamp module；
The function button module is connected with described instruction processing module；
The state instruction lamp module is connected with described instruction processing module；
The function button module is used to receive one-key start test or test device reset instruction input by user, and by described in
One-key start is tested or test device reset instruction is sent to described instruction processing module；
The state instruction lamp module is used to receive the instruction of described instruction processing module transmission, and according to described instruction triggering not
Same bright light instruction.
8. the apparatus according to claim 1, which is characterized in that the networking medium includes：
Wired networking medium and/or wireless networking medium.
9. the apparatus according to claim 1, which is characterized in that the control device includes：
Control system and PC machine.
A kind of 10. method of PCBA functional tests, which is characterized in that including：
When test device is connected to networking medium, the test device is sent by the networking medium receiving control device
Address scan instructs；
The test device sends the address of this test device to the control device according to described address scan instruction so that
The control device records and stores the address for the multiple test devices being connected with the networking medium；
When multiple test devices are connected to the control device, multiple test devices carry out multiple PCBA to be measured
Detection.
11. according to the method described in claim 10, it is characterized in that, referred in the test device according to described address scanning
Order sends the address of this test device to the control device so that the control device is recorded and stored to be situated between with the networking
After the address for multiple test devices that matter is connected, the method further includes:
This test device address scan that the test device receives the control device transmission by the networking medium instructs；
The test device sends state triggering command by command process module to state instruction lamp module, triggers the state
Indicating lamp module bright light, for showing the correspondence with the control device.
12. according to the method for claim 11, which is characterized in that the method further includes：
When the test device receives this test device address scan instruction that the control device is sent, the test dress
It puts and the type of the test fixture is obtained by test fixture parameter acquisition module and described instruction processing module, and be sent to institute
State control device；
What the test device reception control device was sent powers on instruction；
The test device is sent out by electric control on described instruction processing module and PCBA and monitoring module to PCBA power modules
Serve electric signal；
The test device is received by described instruction processing module and the signal acquisition module to be connected with the test fixture
The PCBA to be measured output voltage；
If command process module judges that the output voltage of PCBA to be measured is abnormal, the test device is by the output of the PCBA to be measured
Electric voltage exception signal is sent to the control device；
The test device receives the test crash instruction that the control device is sent, and passes through described instruction processing module and send
To electric control and monitoring module on the state instruction lamp module and PCBA so that it is electric under PCBA to be measured, while cause the shape
State indicating lamp module is alarmed.
13. according to the method for claim 12, which is characterized in that the method further includes：
If command process module judges that the output voltage of PCBA to be measured is normal, the test device is by the output of the PCBA to be measured
Voltage normal signal is sent to the control device；
The test device receives the test instruction that the control device is sent；
The test device is by described instruction processing module and signal generating module to described in being connected with the test fixture
PCBA to be measured sends test signal；
The institute that the test device is connected by described instruction processing module and signal acquisition module reception with the test fixture
The output signal that PCBA to be measured is sent is stated, and the output signal is sent to the control device so that the control device
Judge whether the test instruction matches with the output signal, if matching, the PCBA to be measured is normal, if mismatching,
The PCBA to be measured is abnormal.
14. according to the method for claim 13, which is characterized in that the output signal that the PCBA to be measured is sent includes：
The pulse of PCBA outputs to be measured or low and high level.
15. according to the method for claim 13, which is characterized in that judge the test instruction and institute in the control device
State output signal whether match after, the method further includes：
If the PCBA to be measured is normal, the test device receives the lower electric signal that the control device is sent, and will be described under
Electric signal is sent to the PCBA power modules by described instruction processing module and PCBA voltages control and monitoring module,
It is so that electric under the PCBA to be measured being connected with the test fixture；
If the PCBA to be measured is abnormal, the test device receives the test crash instruction that the control device is sent, and passes through
Described instruction processing module is sent to electric control and monitoring module and the state instruction lamp module on the PCBA so that with
It is electric under the PCBA to be measured that the test fixture is connected, while state instruction lamp module is made to alarm.
16. according to the method described in claim 10, it is characterized in that, the networking medium includes：
Wired networking medium and/or wireless networking medium.
17. according to the method described in claim 10, it is characterized in that, the control device includes：
Control system and PC machine.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/113912 WO2018120207A1 (en) | 2016-12-30 | 2016-12-30 | Pcba functional testing device and method |
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| Publication Number | Publication Date |
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| CN108076660A true CN108076660A (en) | 2018-05-25 |
| CN108076660B CN108076660B (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201680038376.9A Active CN108076660B (en) | 2016-12-30 | 2016-12-30 | PCBA function test device and method |
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| WO (1) | WO2018120207A1 (en) |
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| WO2018120207A1 (en) | 2018-07-05 |
| CN108076660B (en) | 2020-11-17 |
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