CN102901904A - Multifunctional intelligent detection device for circuit board - Google Patents
Multifunctional intelligent detection device for circuit board Download PDFInfo
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- CN102901904A CN102901904A CN2012103938221A CN201210393822A CN102901904A CN 102901904 A CN102901904 A CN 102901904A CN 2012103938221 A CN2012103938221 A CN 2012103938221A CN 201210393822 A CN201210393822 A CN 201210393822A CN 102901904 A CN102901904 A CN 102901904A
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- circuit board
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- out console
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Abstract
The invention relates to a multifunctional intelligent detection device for a circuit board, and the device comprises a tightening connection mechanism of a circuit board to be detected, a detection switch, a detection board, a switching power supply and an ampere meter, wherein the circuit board to be detected is connected with the detection board through the tightening connection mechanism of the circuit board to be detected; and the detection board is respectively connected with the detection switch, the switching power supply and the ampere meter. Compared with the prior art, the multifunctional intelligent detection device for the circuit board has the advantages of improved product testing quality and shortened detection time.
Description
Technical field
The present invention relates to a kind of circuit board detection device, especially relate to a kind of multifunctional intellectual pick-up unit for circuit board.
Background technology
For a long time, the various Function detection of wiring board are always by manual detection, tool using is exactly with the simple measuring voltage of multimeter basically, and resistance judges whether normally, causes often occurring undetected, some project can only arrive product and carry out fully just and can detect, detect problem reparation correction and 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
Purpose of the present invention is exactly to provide a kind of multifunctional intellectual pick-up unit that is used for circuit board that product detects quality, shortened detection time that improved for the defective that overcomes above-mentioned prior art existence.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of multifunctional intellectual pick-up unit for circuit board, it is characterized in that, comprise that circuit board under test steps 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 the 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 lane testing module, probe power electronic switch test module, pulse signal detection lane testing module and video input lane testing 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) saved manpower and materials, the operation of having removed various jack boards from comprises the steps such as welding test point lead-in wire, thereby has greatly improved efficient;
2) detect item by item by step-by-step, so that each electrical voltage point and communication port can both be detected on the plank, thereby standard, has comprehensively more been avoided undetected to a great extent;
3) protect to a certain extent circuit board components, detected replacement by tool artificial, detected under the before this little current status, directly burnt device when having avoided circuit to go wrong.Simultaneously, can prevent the improper infringement that causes of some personnel operation.
Description of drawings
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
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment
As shown in Figure 1, a kind of multifunctional intellectual pick-up unit for circuit board, comprise that circuit board under test steps 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 the 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 lane testing module, probe power electronic switch test module, pulse signal detection lane testing module and video input lane testing 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) whether short circuit of detection line plate, leaky; Utilize apparatus of the present invention to wiring board input 12v20mA power supply, if there is the short circuit leaky on the plank, test point voltage will be pulled low to 0 so, otherwise normal.
2) detection line plate normal circuit breaking phenomena; Utilize apparatus of the present invention to wiring board input pulse voltage signal, if there is breaking phenomena in wiring board, then corresponding test point then can not receive corresponding voltage pulse signal, otherwise normal.
3) whether the protection of detection power supply overvoltage/undervoltage is working properly, provides respectively the voltage that is lower than 10v and is higher than 15.5v to wiring board by apparatus of the present invention, and whether the detected electrons switch turn-offs, 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 after the dividing potential drop on the check-out console (amplitude 2v frequency is constant); Second step: by input again the frequency (its amplitude is just effective greater than 4.7v after tested) of 1.2KHZ to the power supply dog by this IO, to accelerate the work of power supply dog internal counter, approximately detect its reset power control pin after 14 seconds and whether dragged down, to judge whether effectively.
5) utilize apparatus of the present invention normally to input the 12v supply voltage to wiring board, whether normal by the corresponding magnitude of voltage that is converted to of Chip Microcomputer A/D sample detecting.
6) voltage transitions of wireless module, the check-out console single-chip microcomputer sends the IO control signal and opens this modular power source, then surveys its magnitude of voltage, judges whether magnitude of voltage is normal again.
7) the RS485 communication of detection debug port is normal, and apparatus of the present invention send to 902 modules to data by debug serial port, judge according to 902 module return datas whether debug serial port is normal.
8) apparatus of the present invention notification module 902, open all CON mouth power supplys, whether normally detect its voltage, then turn off power supply and detecting once, and is working properly with the checking electronic switch.
Whether 9) for the RS485 communication of each CON mouth, apparatus of the present invention are the RS485 passage on each road of gating successively, carries out data communication by RS485 passage and 902 modules on each road respectively, normal with the RS485 tunneling traffic of judging each CON mouth.
10) the pulse signal detection passage detects, and uses apparatus of the present invention output pulse signal, judges whether normally with this from the check point detection signal again.
11) the video input passage detects, and 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 detects the value of sampled point at sunshine.
As shown in Figure 3, the operation of interface board single-board testing is as follows
At first, disconnect " dress rehearsal wire clamp " (namely having disconnected being connected of master control borad and interface board) of test needle-bar back;
Secondly, the serial ports of needle-bar rear side is connected with PC, opens the serial ports instrument on the PC, baud rate 115200, data bit 8, position of rest 1, check bit without.
Again, open 16V power switch and interface board check-out console power switch.
At last, correctly place interface board to the needle-bar panel, aim at fixed orifice, tong is depressed probe, and according to the information that the serial ports instrument is printed, serial ports sends 16 systems " 0x11 " beginning " detection of interface board veneer ", waits for end and checks the demonstration result.
The operation of master control borad single-board testing is as follows:
At first, disconnect " dress rehearsal wire clamp " (namely having disconnected being connected of master control borad and interface board) of test needle-bar back;
Secondly, the serial ports of needle-bar rear side is connected with PC, opens the serial ports instrument on the PC, 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 the master control borad (the proof single-chip microcomputer is normal), and nothing 902 modules on definite master control borad!
At last, correctly place master control borad to the needle-bar panel, aim at fixed orifice, tong is depressed probe, and according to the information of serially printing, serial ports sends 16 systems " 0x11 " beginning " detection of master control borad veneer ", waits for end and checks the demonstration result.
As shown in Figure 4, integral united test test operation flow process is as follows:
At first, three switches cut out." the dress rehearsal wire clamp " of connecting test needle-bar rear panel (connecting master control borad and interface board).
Secondly, the serial ports of needle-bar rear side is connected with PC, opens the serial ports instrument on the PC, baud rate 115200, data bit 8, position of rest 1, check bit without.Only open interface board check-out console power switch.
Again, prepare interface board to be measured and master control borad (with 902 modules), be its master control borad programming msp430 single-chip microcomputer test procedure " MSP430f149 test procedure programming file .txt on the master control borad " and 902 module test programs " small inner container XY-902-V08.08.hw20.002 ".
At last, correctly place two boards to the needle-bar panel, aim at pilot hole, according to information, the serial ports instrument sends 16 systems " 0x22 " beginning " complete machine detection ".If want to change CON mouth to be measured, can be after serial ports sends 0x22 send " 0x33 " in 6 seconds and enter configuration CON mouth, then serial ports send 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 demonstration gets final product.
Claims (7)
1. multifunctional intellectual pick-up unit that is used for circuit board, it is characterized in that, comprise that circuit board under test steps 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.
2. a kind of multifunctional intellectual pick-up unit for circuit board according to claim 1, it is characterized in that, described circuit board under test steps up bindiny mechanism and comprises tong, pressing plate and probe, described tong is connected with pressing plate, described circuit board under test is located in the pressing plate, and is connected with check-out console by probe.
3. a kind of multifunctional intellectual pick-up unit for circuit board according to claim 1 is characterized in that, 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.
4. a kind of multifunctional intellectual pick-up unit for circuit board according to claim 3, it is characterized in that, described master control borad check-out console comprises each CON mouth RS485 lane testing module, probe power electronic switch test module, pulse signal detection lane testing module and video input lane testing module.
5. a kind of multifunctional intellectual pick-up unit for circuit board according to claim 3 is characterized in that, 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.
6. a kind of multifunctional intellectual pick-up unit for circuit board according to claim 3 is characterized in that, described detector switch comprises master control borad detector switch and interface board detector switch.
7. a kind of multifunctional intellectual pick-up unit 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210393822.1A CN102901904B (en) | 2012-10-16 | 2012-10-16 | A kind of Multifunctional intelligent detection device for circuit board |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210393822.1A CN102901904B (en) | 2012-10-16 | 2012-10-16 | A kind of Multifunctional intelligent detection device for circuit board |
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| CN102901904A true CN102901904A (en) | 2013-01-30 |
| CN102901904B CN102901904B (en) | 2015-10-07 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901387A (en) * | 2012-12-26 | 2014-07-02 | 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 |
| CN106774262A (en) * | 2016-12-28 | 2017-05-31 | 浙江威星智能仪表股份有限公司 | The device and its implementation of Aulomatizeted Detect 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 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111522720B (en) * | 2020-05-08 | 2022-02-22 | 深圳智微电子科技有限公司 | RS485 interface access state detection circuit and detection method |
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| CN103901387A (en) * | 2012-12-26 | 2014-07-02 | 北京煜邦电力技术有限公司 | Electricity meter detection system |
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| 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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| Publication number | Publication date |
|---|---|
| CN102901904B (en) | 2015-10-07 |
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