CN112462235A - Circuit board assembly testing device - Google Patents
Circuit board assembly testing device Download PDFInfo
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- CN112462235A CN112462235A CN202011355223.1A CN202011355223A CN112462235A CN 112462235 A CN112462235 A CN 112462235A CN 202011355223 A CN202011355223 A CN 202011355223A CN 112462235 A CN112462235 A CN 112462235A
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- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 239000000523 sample Substances 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000011161 development Methods 0.000 abstract description 5
- 239000012528 membrane Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
The invention provides a circuit board assembly testing device which comprises a box body, a mounting plate, an upper die assembly, a lower die assembly, a driving device, a balance pressing assembly, a testing device and a man-machine interface plate, wherein the box body is provided with a plurality of through holes; the upper die assembly and/or the lower die assembly are/is provided with a test probe; an installation part for installing the lower die assembly is arranged above the box body; the lower die assembly is detachably arranged on the mounting part and is positioned through a first positioning needle; the mounting plate is vertically fixed above the box body and is positioned at the rear side of the mounting part; the balance pressing component is arranged on the front side of the mounting plate in a vertically sliding manner through a sliding rail pair; the upper die assembly is detachably mounted on the balance pressing assembly and is positioned above the lower die assembly; the testing device is electrically connected with the upper die assembly and the lower die assembly; the human-computer interface board is electrically connected with the testing device; the human-computer interface board is provided with a communication interface; the invention is convenient for secondary development of products, improves the efficiency and has high test precision.
Description
Technical Field
The invention relates to the technical field of circuit board testing equipment, in particular to a circuit board assembly testing device.
Background
At present, any electronic product can not be separated from a circuit board assembly, in order to ensure the functional stability of the product, the yield and the quality consistency of the produced product, the detection is carried out after the circuit board is not welded, however, because the functions of the product are different, such as an air conditioner control board, a television control board, a power supply circuit board and the like, the circuit board design and the functions are different, different clamps are required to press the board, a series of control mechanisms and corresponding control circuits are further required, the development period is longer, meanwhile, the precision design is difficult to control, one product is added, if the quantity of the product is large and multiple types, the whole clamp can not be reused, corresponding resources are wasted, the secondary development of the product is not facilitated, and a method is urgently needed to solve the problem.
Disclosure of Invention
It is an object of the present invention to provide a circuit board assembly testing device to solve the problems mentioned in the background art.
In order to achieve the above purpose, the invention provides the following technical scheme:
a circuit board assembly testing device comprises a box body, a mounting plate, an upper die assembly, a lower die assembly, a driving device, a balance pressing assembly, a testing device and a man-machine interface plate; the upper die assembly and/or the lower die assembly are/is provided with a test probe; an installation part for installing the lower die assembly is arranged above the box body; the lower die assembly is detachably arranged on the mounting part and is positioned through a first positioning needle; the mounting plate is vertically fixed above the box body and is positioned at the rear side of the mounting part; the balance pressing component is arranged on the front side of the mounting plate in a vertically sliding manner through a sliding rail pair; the upper die assembly is detachably mounted on the balance pressing assembly and is positioned above the lower die assembly; the testing device is electrically connected with the upper die assembly and the lower die assembly; the human-computer interface board is electrically connected with the testing device; and a communication interface is arranged on the human-computer interface board.
Further to the present invention, the driving device includes a motor and a lead screw; the motor is fixed in the box body; the screw rod is installed at the power output end of the motor and is in threaded connection with the balance pressing assembly.
The invention is further described, and the invention also comprises a power supply module, a motor drive controller and an MCU control mainboard; the power supply module is electrically connected with the MCU control mainboard and the motor drive controller respectively; and the MCU control main board is connected with the human-computer interface board and the motor drive controller.
For further description of the present invention, the balanced hold-down assembly includes a left side plate, a right side plate, and a connecting plate; the left side plate is connected with the left side of the right side plate through a connecting plate; the bottom surfaces of the left side plate, the right side plate and the connecting plate are located on the same horizontal plane, and the bottoms of the left side plate, the right side plate and the connecting plate are provided with screw holes for being connected with the upper die assembly.
For further description of the invention, the lower die assembly comprises a lower probe plate, a first guide pillar and a supporting plate; the lower probe plate is positioned with the mounting part through a first positioning pin and is locked and fixed on the mounting part through a screw; the supporting plate is arranged above the probe board through a first guide pillar and is fixedly connected with the upper end of the first positioning pillar; the supporting plate is provided with a mounting groove for mounting the PCB assembly; the upper die assembly comprises an upper probe plate, a pressing plate, a second positioning pin and a second guide pillar; the upper probe board is fixed below the balance pressing component; the pressing plate is connected to the lower part of the upper probe plate through a second guide pillar; the second positioning pin is connected between the upper probe board and the pressing board and is locked and fixed with the pressing board through screws.
The invention has the beneficial effects that:
because install the test probe on last membrane module and lower membrane module, to the test of different PCB board subassemblies, only need to change last membrane module and lower membrane module, other structure all can be multiplexed, thereby need not to waste too much time in the aspect of research and development anchor clamps and control circuit, a tractor serves several purposes, can resources are saved, also can promote in the measuring accuracy, the last communication interface that has set up of man-machine interface panel, the data display to man-machine interface of this interface mainly used test function, can be very convenient with the quantification value of testing upload to the display screen on, an inside series of parameter contrast, the interface that shows the non-defective products has all been integrated well, the time of software writing has significantly reduced to the secondary development.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a block diagram of the upper and lower die assemblies of the present invention;
fig. 3 is a control block diagram of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-3, a circuit board assembly testing device comprises a box body 1, a mounting plate 2, an upper die assembly 3, a lower die assembly 4, a driving device 5, a balance pressing assembly 6, a testing device 8 and a man-machine interface plate 7; the upper die assembly 3 and/or the lower die assembly 4 are/is provided with a test probe; an installation part for installing the lower die assembly 4 is arranged above the box body 1; the lower die assembly 4 is detachably arranged on the mounting part and is positioned by a first positioning needle 43; the mounting plate 2 is vertically fixed above the box body 1 and is positioned at the rear side of the mounting part; the balance pressing component 6 is arranged on the front side of the mounting plate 2 in a vertically sliding manner through a sliding rail pair; the upper die assembly 3 is detachably arranged on the balance pressing assembly 6 and is positioned above the lower die assembly 4; the testing device 8 is electrically connected with the upper die assembly 3 and the lower die assembly 4; the human-computer interface board 7 is electrically connected with the testing device 8; the man-machine interface board 7 is provided with a communication interface 71; for the test of different PCB board assemblies, change corresponding upper die assembly 3 and lower die assembly 4, when using, the PCB board assembly is installed on lower die assembly 4, drive upper die assembly 3 to push down through drive arrangement 5, utilize the test probe on upper die assembly 3 and lower die assembly 4 and the test point contact of PCB board assembly to form the route, detect through testing arrangement 8, and show signal transmission to man-machine interface board 7, carry out the comparison of numerical value again on man-machine interface board 7, the communication interface 71 that reserves is mainly used for the data display of test function to man-machine interface, can be very convenient with the quantization value of testing upload to the display screen, the contrast of an internal series of parameters, the interface that shows the non-defective products has all been integrated well, the time of software programming has been greatly reduced to the secondary development, the interface contains USB, serial ports etc. of commonality.
The driving device 5 comprises a motor 52 and a screw rod 51; the motor 52 is fixed in the box body 1; the screw rod 51 is arranged at the power output end of the motor 52 and is in threaded connection with the balance pressing assembly 6; the device also comprises a power module 9, a motor drive controller 11 and an MCU control mainboard 10; the power supply module 9 is electrically connected with the MCU control mainboard 10 and the motor drive controller 11 respectively; the MCU control main board 10 is electrically connected with the human-computer interface board 7 and the motor drive controller 11; the invention combines the electronic press control part, can lead the personnel developing the product test to do the product function research with mind, does not need to do circuit design to the clamp part, and concretely realizes that the alternating current carries out voltage processing through the power module 9 and is supplied to the motor 52 drive controller, meanwhile, the motor 52 drive controller is connected to the motor 52, the MCU controls the PWM control signal of the mainboard to control the rotation of the motor 52, and simultaneously, the effect of pressing the mechanism up and down is achieved; the man-machine interface board 7 can be connected with the MCU control mainboard through showing a series of parameters of adjustment, through seeking the interface, directly can control down the speed, height, slowly fall isoparametric, and the motor 52 lead screw 51 of adoption effectively gets rid of the unstability of traditional cylinder atmospheric pressure, can electronic regulation down the reliability of pressing speed, stroke, buffering and connection.
The balance pressing assembly 6 comprises a left side plate 61, a right side plate 62 and a connecting plate 63; the left side plate 61 is connected to the left side of the right side plate 62 through a connecting plate 63; the bottom surfaces of the left side plate 61, the right side plate 62 and the connecting plate 63 are positioned on the same horizontal plane, and the bottoms of the left side plate, the right side plate and the connecting plate are provided with screw holes for connecting with the upper die assembly 3; this balanced push down subassembly 6's effect guarantees every face push down balancedly when pushing down, avoids pushing down the unbalanced result in influencing the measuring accuracy.
The lower die assembly 4 comprises a lower probe plate 41, a first guide post 44 and a supporting plate 42; the lower probe plate 41 is positioned with the mounting part through a first positioning pin 43 and is locked and fixed on the mounting part through screws; the supporting plate 42 is installed above the probe card through a first guide post 44 and is fixedly connected with the upper end of the first positioning post; the supporting plate 42 is provided with a mounting groove 421 for mounting a PCB assembly; the upper die assembly 3 comprises an upper probe card 31, a pressure plate 32, a second positioning pin 33 and a second guide post 34; the upper probe board 31 is fixed below the balance pressing component 6; the pressure plate 32 is connected to the lower part of the upper probe plate 31 through a second guide post 34; the second positioning pin 33 is connected between the upper probe board 31 and the pressing board 32 and is locked and fixed with the pressing board 32 through a screw; go up mould subassembly 3 and the easy installation of lower mould subassembly 4 and dismantle, pinpoint through pilot pin and reference column, the installation accuracy is high, improves the measuring accuracy.
The above description is not intended to limit the technical scope of the present invention, and any modification, equivalent change and modification of the above embodiments according to the technical spirit of the present invention are still within the technical scope of the present invention.
Claims (5)
1. A circuit board assembly testing device is characterized in that: the testing device comprises a box body, a mounting plate, an upper die assembly, a lower die assembly, a driving device, a balance pressing assembly, a testing device and a man-machine interface plate; the upper die assembly and/or the lower die assembly are/is provided with a test probe; an installation part for installing the lower die assembly is arranged above the box body; the lower die assembly is detachably arranged on the mounting part and is positioned through a first positioning needle; the mounting plate is vertically fixed above the box body and is positioned at the rear side of the mounting part; the balance pressing component is arranged on the front side of the mounting plate in a vertically sliding manner through a sliding rail pair; the upper die assembly is detachably mounted on the balance pressing assembly and is positioned above the lower die assembly; the testing device is electrically connected with the upper die assembly and the lower die assembly; the human-computer interface board is electrically connected with the testing device; and a communication interface is arranged on the human-computer interface board.
2. A circuit board assembly testing device according to claim 1, wherein: the driving device comprises a motor and a screw rod; the motor is fixed in the box body; the screw rod is installed at the power output end of the motor and is in threaded connection with the balance pressing assembly.
3. A circuit board assembly testing device according to claim 2, characterized in that: the motor driving controller is connected with the MCU control main board; the power supply module is electrically connected with the MCU control mainboard and the motor drive controller respectively; and the MCU control main board is connected with the human-computer interface board and the motor drive controller.
4. A circuit board assembly testing device according to claim 1, wherein: the balance pressing assembly comprises a left side plate, a right side plate and a connecting plate; the left side plate is connected with the left side of the right side plate through a connecting plate; the bottom surfaces of the left side plate, the right side plate and the connecting plate are located on the same horizontal plane, and the bottoms of the left side plate, the right side plate and the connecting plate are provided with screw holes for being connected with the upper die assembly.
5. A circuit board assembly testing device according to claim 1, wherein: the lower die assembly comprises a lower probe plate, a first guide pillar and a supporting plate; the lower probe plate is positioned with the mounting part through a first positioning pin and is locked and fixed on the mounting part through a screw; the supporting plate is arranged above the probe board through a first guide pillar and is fixedly connected with the upper end of the first positioning pillar; the supporting plate is provided with a mounting groove for mounting the PCB assembly; the upper die assembly comprises an upper probe plate, a pressing plate, a second positioning pin and a second guide pillar; the upper probe board is fixed below the balance pressing component; the pressing plate is connected to the lower part of the upper probe plate through a second guide pillar; the second positioning pin is connected between the upper probe board and the pressing board and is locked and fixed with the pressing board through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011355223.1A CN112462235B (en) | 2020-11-27 | 2020-11-27 | Circuit board assembly testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011355223.1A CN112462235B (en) | 2020-11-27 | 2020-11-27 | Circuit board assembly testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112462235A true CN112462235A (en) | 2021-03-09 |
| CN112462235B CN112462235B (en) | 2024-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011355223.1A Active CN112462235B (en) | 2020-11-27 | 2020-11-27 | Circuit board assembly testing device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150115988A1 (en) * | 2013-10-31 | 2015-04-30 | Wistron Corporation | Automation testing system for testing a motherboard |
| CN206906534U (en) * | 2017-04-14 | 2018-01-19 | 上海汪青自动化科技有限公司 | Power battery module PCB test devices |
| CN210209339U (en) * | 2019-05-16 | 2020-03-31 | 东莞市为思电子科技有限公司 | Triaxial module lock PCB board screw machine |
| CN210222193U (en) * | 2019-04-28 | 2020-03-31 | 温州市研创物联网科技有限公司 | Module integrated circuit board electrical property batch detection device |
| CN211318662U (en) * | 2019-09-30 | 2020-08-21 | 赋桦科技(深圳)有限公司 | PCB testing device capable of being quickly connected with testing jig |
| CN213813865U (en) * | 2020-11-27 | 2021-07-27 | 东莞市韬科电子有限公司 | Circuit board assembly testing device |
-
2020
- 2020-11-27 CN CN202011355223.1A patent/CN112462235B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150115988A1 (en) * | 2013-10-31 | 2015-04-30 | Wistron Corporation | Automation testing system for testing a motherboard |
| CN206906534U (en) * | 2017-04-14 | 2018-01-19 | 上海汪青自动化科技有限公司 | Power battery module PCB test devices |
| CN210222193U (en) * | 2019-04-28 | 2020-03-31 | 温州市研创物联网科技有限公司 | Module integrated circuit board electrical property batch detection device |
| CN210209339U (en) * | 2019-05-16 | 2020-03-31 | 东莞市为思电子科技有限公司 | Triaxial module lock PCB board screw machine |
| CN211318662U (en) * | 2019-09-30 | 2020-08-21 | 赋桦科技(深圳)有限公司 | PCB testing device capable of being quickly connected with testing jig |
| CN213813865U (en) * | 2020-11-27 | 2021-07-27 | 东莞市韬科电子有限公司 | Circuit board assembly testing device |
Non-Patent Citations (1)
| Title |
|---|
| 章嘉浩;魏晓晨;马丹;严诚斌;: "一种新型工业机器人工装夹具检测系统设计", 电气自动化, no. 03, 30 May 2017 (2017-05-30) * |
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| Publication number | Publication date |
|---|---|
| CN112462235B (en) | 2024-08-09 |
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