CN102901904B - A kind of Multifunctional intelligent detection device for circuit board - Google Patents

A kind of Multifunctional intelligent detection device for circuit board Download PDF

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Publication number
CN102901904B
CN102901904B CN201210393822.1A CN201210393822A CN102901904B CN 102901904 B CN102901904 B CN 102901904B CN 201210393822 A CN201210393822 A CN 201210393822A CN 102901904 B CN102901904 B CN 102901904B
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Prior art keywords
circuit board
check
out console
under test
power supply
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CN201210393822.1A
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CN102901904A (en
Inventor
胡益忠
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SHANGHAI XINYING POWER TECHNOLOGY CO LTD
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SHANGHAI XINYING POWER TECHNOLOGY CO LTD
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Abstract

The present invention relates to a kind of Multifunctional intelligent detection device for circuit board, comprise circuit board under test and step up bindiny mechanism, detector switch, check-out console, Switching Power Supply and reometer, described circuit board under test steps up bindiny mechanism by circuit board under test and is connected with check-out console, and described check-out console is connected with detector switch, Switching Power Supply, reometer respectively.Compared with prior art, the present invention has and improves Product checking quality, shortens the advantages such as detection time.

Description

A kind of Multifunctional intelligent detection device for circuit board
Technical field
The present invention relates to a kind of circuit board detection device, especially relate to a kind of Multifunctional intelligent detection device for circuit board.
Background technology
For a long time, the various Function detection of wiring board is always by manual detection, use instrument is exactly by the simple measuring voltage of multimeter substantially, and resistance judges whether normally, causes often appearance undetected, some project can only arrive product and carry out just can detect completely, detect problem reparation correction to bother very much, even can only scrap some product, and detection time is long, need staff many, waste time and energy.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and a kind of Multifunctional intelligent detection device for circuit board that improve Product checking quality, shorten detection time is provided.
Object of the present invention can be achieved through the following technical solutions:
A kind of Multifunctional intelligent detection device for circuit board, it is characterized in that, comprise circuit board under test and step up bindiny mechanism, detector switch, check-out console, Switching Power Supply and reometer, described circuit board under test steps up bindiny mechanism by circuit board under test and is connected with check-out console, and described check-out console is connected with detector switch, Switching Power Supply, reometer respectively.
Described circuit board under test steps up bindiny mechanism and comprises tong, pressing plate and probe, and described tong is connected with pressing plate, and described circuit board under test is located in pressing plate, and is connected with check-out console by probe.
Described circuit board under test comprises master control borad and interface board, and described check-out console comprises master control borad check-out console and interface board check-out console.
Described master control borad check-out console comprises each CON mouth RS485 channel test module, probe power electronic switch test module, pulse signal detection channel test module and video input channel test module.
Described interface board check-out console comprises short-circuit detecting module, overvoltage/undervoltage detection module, power supply dog detection module and break-make detection module.
Described detector switch comprises master control borad detector switch and interface board detector switch.
Described Switching Power Supply comprises 16V Switching Power Supply and 12V Switching Power Supply.
Compared with prior art, the present invention has the following advantages:
1) save manpower and materials, the operation eliminating various jack board comprises the steps such as welding test point lead-in wire, thus substantially increases efficiency;
2) by step-by-step one by onechecking, each electrical voltage point and communication port on plank can be detected, thus more specification, comprehensively, avoid undetected to a great extent;
3) protect circuit board components to a certain extent, detected by tool and replace manually, detecting under small area analysis state before this, and avoiding when circuit goes wrong and directly burn device.Meanwhile, the improper infringement caused of some human users can be prevented.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is workflow diagram of the present invention;
Fig. 3 is interface board veneer overhaul flow chart of the present invention;
Fig. 4 is integral united test overhaul flow chart of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Figure 1, a kind of Multifunctional intelligent detection device for circuit board, comprise circuit board under test and step up bindiny mechanism 2, detector switch 4, check-out console 3, Switching Power Supply 5 and reometer 6, described circuit board under test 1 steps up bindiny mechanism 2 by circuit board under test and is connected with check-out console 3, and described check-out console 3 is connected with detector switch 4, Switching Power Supply 5, reometer 6 respectively.
Described circuit board under test steps up bindiny mechanism 2 and comprises tong, pressing plate and probe, and described tong is connected with pressing plate, and described circuit board under test 1 is located in pressing plate, and is connected with check-out console 3 by probe.Described circuit board under test comprises master control borad and interface board, and described check-out console comprises master control borad check-out console and interface board check-out console.
Described master control borad check-out console comprises each CON mouth RS485 channel test module, probe power electronic switch test module, pulse signal detection channel test module and video input channel test module.Described interface board check-out console comprises short-circuit detecting module, overvoltage/undervoltage detection module, power supply dog detection module and break-make detection module.Described detector switch comprises master control borad detector switch and interface board detector switch.Described Switching Power Supply comprises 16V Switching Power Supply and 12V Switching Power Supply.
Major function of the present invention is as follows:
1) detection line plate whether short circuit, leaky; Utilize apparatus of the present invention to wiring board input 12v20mA power supply, if plank exists short circuit leaky, so test point voltage will be pulled low to 0, otherwise normally.
2) detection line plate normal circuit breaking phenomena; Utilize apparatus of the present invention to wiring board input pulse voltage signal, if wiring board exists breaking phenomena, then corresponding test point then can not receive corresponding voltage pulse signal, otherwise normally.
3) whether working properlyly detect the protection of power supply overvoltage/undervoltage, provided respectively lower than 10v and the voltage higher than 15.5v to wiring board by apparatus of the present invention, whether detected electrons switch turns off, to judge its quality.
4) detection line plate board mounted power dog, the first step: detect its RC oscillation frequency whether in normal range, RC waveform (amplitude 12v) is received its frequency of single-chip microcomputer IO pin Acquisition Detection by the square wave (amplitude 2v frequency is constant) after dividing potential drop on check-out console; Second step: by being inputted the frequency (its amplitude is greater than 4.7v just effectively after tested) of 1.2KHZ again to power supply dog by this IO, to accelerate the work of power supply dog internal counter, detect its reset power control pin after about 14 seconds whether to be dragged down, to judge whether effectively.
5) apparatus of the present invention are utilized normally to input 12v supply voltage to wiring board, whether normal by the corresponding magnitude of voltage be converted to of Chip Microcomputer A/D sample detecting.
6) voltage transitions of wireless module, check-out console single-chip microcomputer sends IO control signal and opens this modular power source, then surveys its magnitude of voltage, then judges that whether magnitude of voltage is normal.
7) the RS485 communication detecting debug port is normal, and apparatus of the present invention are sent to 902 modules by debug serial port data, judge that whether debug serial port is normal according to 902 module return datas.
8) apparatus of the present invention notification module 902, opens all CON mouth power supplys, whether normally detects its voltage, then turns off power supply in detection once, to verify that electronic switch is working properly.
9) for the RS485 communication of each CON mouth, whether the RS485 passage on apparatus of the present invention each road of gating successively, carries out data communication respectively by the RS485 passage on each road and 902 modules, normal to judge the RS485 tunneling traffic of each CON mouth.
10) pulse signal detection Air conduct measurement, uses apparatus of the present invention output pulse signal, then judges whether normally with this from check point detection signal.
11) video input Air conduct measurement, gathers image detect by module 902, and gives intelligent detection device result feedback.
12) sunshine sample detecting, the input voltage of a 20mV is provided by apparatus of the present invention, then AD detect sunshine sampled point value.
As shown in Figure 3, the operation of interface board single-board testing is as follows
First, test needle-bar " dress rehearsal wire clamp " (being namely disconnected the connection of master control borad and interface board) is below disconnected;
Secondly, the serial ports on rear side of needle-bar is connected with PC, PC opens serial ports instrument, baud rate 115200, data bit 8, position of rest 1, check bit without.
Again, 16V power switch and interface board check-out console power switch is opened.
Finally, correct interface board of placing, on needle-bar panel, aims at fixed orifice, tong pressure probe, and the information printed according to serial ports instrument, serial ports sends 16 systems " 0x11 " beginning " detection of interface board veneer ", waits for and terminates and check display result.
The operation of master control borad single-board testing is as follows:
First, test needle-bar " dress rehearsal wire clamp " (being namely disconnected the connection of master control borad and interface board) is below disconnected;
Secondly, the serial ports on rear side of needle-bar is connected with PC, PC opens serial ports instrument, baud rate 115200, data bit 8, position of rest 1, check bit without.Only open master control borad veneer check-out console power switch.
Again, prepare master control borad to be measured, to msp430F149 programming test procedure on master control borad (proving that single-chip microcomputer is normal), and determine on master control borad without 902 modules!
Finally, correct master control borad of placing, on needle-bar panel, aims at fixed orifice, and tong pressure probe, according to the information of serially printing, serial ports sends 16 systems " 0x11 " beginning " detection of master control borad veneer ", waits for and terminates and check display result.
As shown in Figure 4, integral united test test operation flow process is as follows:
First, three switches cut out." dress rehearsal wire clamp " (connecting master control borad and interface board) of connecting test needle-bar rear panel.
Secondly, the serial ports on rear side of needle-bar is connected with PC, PC opens serial ports instrument, baud rate 115200, data bit 8, position of rest 1, check bit without.Only open interface board check-out console power switch.
Again, preparing interface board to be measured and master control borad (with 902 modules), is its master control borad programming msp430 single-chip microcomputer test procedure " on master control borad MSP430f149 test procedure programming file .txt " and 902 module test programs " small inner container XY-902-V08.08.hw20.002 ".
Finally, correct two boards of placing is on needle-bar panel, and aim at pilot hole, according to information, serial ports instrument sends 16 systems " 0x22 " beginning " complete machine detection ".Change CON mouth to be measured if want, after serial ports sends 0x22, " 0x33 " in 6 seconds, can be sent enter configuration CON mouth, and then serial ports transmission order " at+con=x1, x2; x3, x3 ... x9 " (x1 ~ x9 all optional 2,3,4,5,6,7,8,9, a one of them, the corresponding CON10 of a, number of parameters is no more than 9), after CON mouth to be measured is set, continue system test, wait for that end and result show.

Claims (3)

1. the Multifunctional intelligent detection device for circuit board, be connected with circuit board under test, it is characterized in that, comprise circuit board under test and step up bindiny mechanism, detector switch, check-out console, Switching Power Supply and reometer, described circuit board under test steps up bindiny mechanism by circuit board under test and is connected with check-out console, and described check-out console is connected with detector switch, Switching Power Supply, reometer respectively;
Described circuit board under test steps up bindiny mechanism and comprises tong, pressing plate and probe, and described tong is connected with pressing plate, and described circuit board under test is located in pressing plate, and is connected with check-out console by probe;
Described circuit board under test comprises master control borad and interface board, and described check-out console comprises master control borad check-out console and interface board check-out console;
Described master control borad check-out console comprises for the RS485 channel test module of each CON mouth, probe power electronic switch test module, pulse signal detection channel test module and video input channel test module;
Described interface board check-out console comprises short-circuit detecting module, overvoltage/undervoltage detection module, power supply dog detection module and break-make detection module.
2. a kind of Multifunctional intelligent detection device for circuit board according to claim 1, is characterized in that, described detector switch comprises master control borad detector switch and interface board detector switch.
3. a kind of Multifunctional intelligent detection device for circuit board according to claim 1, is characterized in that, described Switching Power Supply comprises 16V Switching Power Supply and 12V Switching Power Supply.
CN201210393822.1A 2012-10-16 2012-10-16 A kind of Multifunctional intelligent detection device for circuit board Active CN102901904B (en)

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Publication number Priority date Publication date Assignee Title
CN103901387B (en) * 2012-12-26 2017-02-08 北京煜邦电力技术有限公司 Electricity meter detection system
CN104483653A (en) * 2015-01-04 2015-04-01 潍坊五洲浩特电气有限公司 Automatic detection system and method for intelligent electric energy meter motherboard
CN106774262B (en) * 2016-12-28 2019-11-08 浙江威星智能仪表股份有限公司 The device and its implementation of automatic detection intelligence instrument master control borad hardware performance
CN107861048A (en) * 2017-11-06 2018-03-30 北京科技大学 A kind of Intelligent hardware circuit board automatic test approach and its system

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CN202267735U (en) * 2011-10-22 2012-06-06 海信(山东)空调有限公司 Detecting device of variable-frequency compressor driving plate
CN202330481U (en) * 2011-11-24 2012-07-11 天津普林电路股份有限公司 Special fixture for flying probe testing of high-density interconnection circuit board
CN202854272U (en) * 2012-10-16 2013-04-03 上海欣影电力科技发展有限公司 Multifunctional intelligent detection device used for circuit board

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Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
CN1797357A (en) * 2004-12-30 2006-07-05 鸿富锦精密工业(深圳)有限公司 Circuit board for testing function of main board
CN202267735U (en) * 2011-10-22 2012-06-06 海信(山东)空调有限公司 Detecting device of variable-frequency compressor driving plate
CN202330481U (en) * 2011-11-24 2012-07-11 天津普林电路股份有限公司 Special fixture for flying probe testing of high-density interconnection circuit board
CN202854272U (en) * 2012-10-16 2013-04-03 上海欣影电力科技发展有限公司 Multifunctional intelligent detection device used for circuit board

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