CN104502831A - Circuit board debugging and detecting system and application method thereof - Google Patents
Circuit board debugging and detecting system and application method thereof Download PDFInfo
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- CN104502831A CN104502831A CN201410836068.3A CN201410836068A CN104502831A CN 104502831 A CN104502831 A CN 104502831A CN 201410836068 A CN201410836068 A CN 201410836068A CN 104502831 A CN104502831 A CN 104502831A
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Abstract
The invention discloses a circuit board debugging and detecting system and an application method thereof. The circuit board debugging and detecting system comprises a probe fixture and transmission systems embedded in the probe fixture and a PC (personal computer) respectively. The application method of the circuit board debugging and detecting system adopts a probe connection way and is accurate in positioning, various test ports of circuits can be quickly connected, and operation time is greatly saved. The invention further provides a data analysis and processing desktop software system capable of tracking and recording in the whole process of detection of the circuit boards, various ports of the circuit boards can be detected, in the meantime, data are acquired and analyzed, so that fault points and reasons are outputted; detecting results of batches can be counted, yield rate of the batches and fault distribution of the circuit boards are outputted, devices of the circuit boards are welded and effectively monitored, detection efficiency of the circuit boards is improved, management of welding quality of the circuit boards in the batches and elimination of the fault reasons are facilitated.
Description
Technical field
The present invention relates to process debugging technical field, connected fast by probe, software collection data, and analyze, particularly a kind of debugging circuit board, detection system and application process thereof.
Background technology
Along with the progress of science and technology, electronics industry development is advanced by leaps and bounds, electronic system becomes increasingly complex, the reliability and maintainability of electronic system requires also more and more higher, circuit board is as the control module of each Terminal Type, parts, be the core that product function realizes, the quality of its quality directly affects the quality of whole equipment.
The production cycle length of circuit board can have influence on machine debugging progress and delivery time, but needs in board production to take much time and carry out debugging to circuit board and detect and get rid of hidden danger; Current debugging circuit board, detection, mainly by each interface of cable plug-in unit connecting circuit board, efficiency is low, hidden danger is many, quality can not be guaranteed, and the detection data analysis lacked circuit board batch and statistical management, can not data supporting be provided to the welding of circuit board and failure cause, can not offer help to board failure analysis; Simultaneously, what traditional debugging circuit board method mainly utilized the naked eyes of people to come the solder skip of the main components of checking circuit plate and circuit opens the situations such as short circuit, but the method not only detection efficiency is low, labour intensity is large, easily make mistakes, degree of accuracy is low, and cannot find out the substantive issue in circuit board.
Summary of the invention
Technical matters to be solved by this invention is, overcomes the shortcoming of prior art, provides a kind of debugging circuit board, detection system and application process thereof, have employed probe connected mode, accurately locates, and each test port of quick connecting circuit, saves the running time greatly.And a kind of circuit board detecting tracking control of full process, record are proposed, Data Analysis Services desktop software system, while each interface of circuit board is detected, carry out data collection and analysis, export trouble spot, failure cause, a batch testing result is added up, output circuit plate batch qualification rate, board failure distributes, and to circuit board components, welding, implements effective monitoring.
In order to solve above technical matters, the invention provides a kind of debugging circuit board, detection system, the transmission system comprising probe jig and be built in respectively in probe jig and PC, wherein: the square panel that probe jig comprises horizontally disposed square floor and is positioned at above base plate, base plate is corresponding with positions of panels and be parallel to each other, aluminium profiles support column by being vertically arranged on four drift angles between base plate with panel is fixedly connected with, panel is also equipped with PCB support support plate, PCB support support plate passes through spring, limited screw and bearing post are arranged on panel, the detection groove for placing circuit board under test is also provided with in the middle part of PCB support support plate, the upper surface detecting groove is provided with probe,
Also comprise the bracing frame that is vertically arranged on panel and the sidewall of bracing frame is provided with a tong, tong is positioned at the top of detection groove and is L-type, comprise the horizontal part being located thereon end and the vertical portion being positioned at its lower end, tong vertically can move on bracing frame;
Also comprise one to be horizontally set on and to detect pressing plate between groove and tong and the lower end of pressing plate and probe tong is fixed, pressing plate lower surface is also vertically provided with multiple boss;
The transmission system be built in probe jig comprises FPGA, DSP, CPLD, RS422 serial port chip group and a power module, Serial Port Transmission system in PC comprises the 2nd RS422 serial port chip group, wherein, power module is that whole probe jig is powered by FPGA, FPGA connects DSP and CPLD respectively, be interconnected between DSP and CPLD, FPGA is connected in series with the 2nd RS422 serial port chip by a RS422 serial port chip.
The technical scheme that the present invention limits further is:
Further, aforesaid a kind of debugging circuit board, detection system, pressing plate is transparent material.
Aforesaid a kind of debugging circuit board, detection system, be also provided with a vertical shrouding between base plate and panel and vertically shrouding for installing display original set.
The present invention have also been devised the application process of a kind of debugging circuit board, detection system, comprises following concrete steps:
Step (1) first adopts FPGA to determine to run reception sequential and the transmission timing that DSP carries out AccessPort, and adopts DSP to carry out the debugging of serial ports;
Step (2) places circuit board under test, utilizes tong to carry out quick-clamping to circuit board, and connects each test point by probe, desktop software while to circuit board detecting, to data analysis, record and statistics.
Further, the application process of aforesaid debugging circuit board, detection system, the concrete operations of step (1) are:
Step a: connect corresponding with the reception pin of the 2nd RS422 serial port chip group for the transmission pin of a RS422 serial port chip group;
Step b: the JTAG mouth connecting CPLD, carries out down operation to it;
After step c:CPLD has downloaded, connect the JTAG mouth of FPGA, down operation is carried out to it;
Steps d: the JTAG mouth of DSP is connected, then AccessPort program is downloaded;
Step 5: after having downloaded, compares to reference point, sees whether send, accepts successfully, if send, receives successfully, then then perform step (2), if unsuccessful, return step a continuation debug.
The invention has the beneficial effects as follows:
Present invention employs probe connected mode, accurately locate, each test port of quick connecting circuit, saves the running time greatly.And a kind of circuit board detecting tracking control of full process, record are proposed, Data Analysis Services desktop software system, while each interface of circuit board is detected, carry out data collection and analysis, export trouble spot, failure cause, a batch testing result is added up, output circuit plate batch qualification rate, board failure distributes, and to circuit board components, welding, implements effective monitoring;
Each for circuit board under test test point is drawn by probe jig by the present invention, and in concrete operations, tool box body can also external serial ports, power interface, bulb, luminotron, digital voltmeter and all kinds of gauge tap; Computing machine is by serial ports and circuit board intercommunication, and desktop software control data is received and dispatched, record detected state data, storage, and trouble spot and phenomenon are provided to faulty circuit plate, after a batch detection completes, institute's slowdown monitoring circuit plate data are added up, export batch qualification rate, and each fault distribution graph;
The present invention can realize data communication by serial ports of computers and circuit board under test and detect, and records and add up result; After same batch of detection completes, software exports the qualification rate of this batch of circuit board detecting, and provides trouble spot, the failure cause of faulty circuit plate, improves circuit board detecting efficiency, is convenient to the management to batch welding quality of circuit board, and the eliminating to failure cause.
Accompanying drawing explanation
Fig. 1 is the structural representation of designed a kind of debugging circuit board of the present invention, detection system;
Fig. 2 is the structure side view of designed a kind of debugging circuit board of the present invention, detection system;
Fig. 3 is the principle schematic that in the present invention, built-in transmission system connects in PC;
Fig. 4 is the connection diagram in real work of the present invention.
1-base plate, 2-panel, 3-aluminium profiles support column, 4-PCB support support plate, 5-detects groove, 6-probe, 7-tong, 8-bracing frame, 9-pressing plate, 10-shrouding.
Embodiment
embodiment 1
As shown in Figure 1 to Figure 3, a kind of debugging circuit board that the present embodiment provides, detection system, the transmission system comprising probe jig and be built in respectively in probe jig and PC, wherein: the square panel that probe jig comprises horizontally disposed square floor and is positioned at above base plate, base plate is corresponding with positions of panels and be parallel to each other, aluminium profiles support column by being vertically arranged on four drift angles between base plate with panel is fixedly connected with, panel is also equipped with PCB support support plate, PCB support support plate passes through spring, limited screw and bearing post are arranged on panel, the detection groove for placing circuit board under test is also provided with in the middle part of PCB support support plate, the upper surface detecting groove is provided with probe,
Also comprise the bracing frame that is vertically arranged on panel and the sidewall of bracing frame is provided with a tong, tong is positioned at the top of detection groove and is L-type, comprise the horizontal part being located thereon end and the vertical portion being positioned at its lower end, tong vertically can move on bracing frame;
Also comprise one to be horizontally set on and to detect pressing plate between groove and tong and the lower end of pressing plate and probe tong is fixed, pressing plate lower surface is also vertically provided with multiple boss;
The transmission system be built in probe jig comprises FPGA, DSP, CPLD, RS422 serial port chip group and a power module, Serial Port Transmission system in PC comprises the 2nd RS422 serial port chip group, wherein, power module is that whole probe jig is powered by FPGA, FPGA connects DSP and CPLD respectively, be interconnected between DSP and CPLD, FPGA is connected in series with the 2nd RS422 serial port chip by a RS422 serial port chip;
Further, aforesaid a kind of debugging circuit board, detection system, pressing plate is transparent material;
Aforesaid a kind of debugging circuit board, detection system, be also provided with a vertical shrouding between base plate and panel and vertically shrouding for installing display original set.
embodiment 2
As shown in Figure 4, a kind of debugging circuit board that the present embodiment provides, the application process of detection system, comprise following concrete steps:
Step (1) first adopts FPGA to determine to run reception sequential and the transmission timing that DSP carries out AccessPort, and adopts DSP to carry out the debugging of serial ports;
Step (2) places circuit board under test, utilizes tong to carry out quick-clamping to circuit board, and connects each test point by probe, desktop software while to circuit board detecting, to data analysis, record and statistics.
Further, the application process of aforesaid debugging circuit board, detection system, the concrete operations of step (1) are:
Step a: connect corresponding with the reception pin of the 2nd RS422 serial port chip group for the transmission pin of a RS422 serial port chip group;
Step b: the JTAG mouth connecting CPLD, carries out down operation to it;
After step c:CPLD has downloaded, connect the JTAG mouth of FPGA, down operation is carried out to it;
Steps d: the JTAG mouth of DSP is connected, then AccessPort program is downloaded;
Step 5: after having downloaded, compares to reference point, sees whether send, accepts successfully, if send, receives successfully, then then perform step (2), if unsuccessful, return step a continuation debug.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.
Claims (5)
1. a debugging circuit board, detection system, it is characterized in that, the transmission system comprising probe jig and be built in respectively in probe jig and PC, wherein: the square panel that described probe jig comprises horizontally disposed square floor and is positioned at above described base plate, described base plate is corresponding with positions of panels and be parallel to each other, described base plate is fixedly connected with by the aluminium profiles support column being vertically arranged on four drift angles with between panel, described panel is also equipped with PCB support support plate, described PCB support support plate passes through spring, limited screw and bearing post are installed on the panel, the detection groove for placing circuit board under test is also provided with in the middle part of described PCB support support plate, the upper surface of described detection groove is provided with probe,
Also comprise and vertically bracing frame is on the panel set and the sidewall of support frame as described above is provided with a tong, described tong is positioned at the top of described detection groove and is L-type, comprise the horizontal part being located thereon end and the vertical portion being positioned at its lower end, described tong vertically can move on support frame as described above;
Also comprise one and be horizontally set on pressing plate between described detection groove and tong and the lower end of described pressing plate and probe tong is fixed, described pressing plate lower surface is also vertically provided with multiple boss;
The described transmission system be built in probe jig comprises FPGA, DSP, CPLD, RS422 serial port chip group and a power module, Serial Port Transmission system in described PC comprises the 2nd RS422 serial port chip group, wherein, power module is that whole probe jig is powered by FPGA, FPGA connects DSP and CPLD respectively, be interconnected between DSP and CPLD, described FPGA is connected in series with the 2nd RS422 serial port chip by a RS422 serial port chip.
2. a kind of debugging circuit board according to claim 1, detection system, is characterized in that, described pressing plate is transparent material.
3. a kind of debugging circuit board according to claim 1, detection system, is characterized in that, be also provided with a vertical shrouding between described base plate and panel and described vertical shrouding for installing display original set.
4. an application process for debugging circuit board, detection system, is characterized in that, comprises following concrete steps:
Step (1) first adopts FPGA to determine to run reception sequential and the transmission timing that DSP carries out AccessPort, and adopts DSP to carry out the debugging of serial ports;
Step (2) places circuit board under test, utilizes tong to carry out quick-clamping to circuit board, and connects each test point by probe, desktop software while to circuit board detecting, to data analysis, record and statistics.
5. the application process of debugging circuit board according to claim 4, detection system, is characterized in that, the concrete operations of described step (1) are:
Step a: connect corresponding with the reception pin of the 2nd RS422 serial port chip group for the transmission pin of a RS422 serial port chip group;
Step b: the JTAG mouth connecting CPLD, carries out down operation to it;
After step c:CPLD has downloaded, connect the JTAG mouth of FPGA, down operation is carried out to it;
Steps d: the JTAG mouth of DSP is connected, then AccessPort program is downloaded;
Step 5: after having downloaded, compares to reference point, sees whether send, accepts successfully, if send, receives successfully, then then perform step (2), if unsuccessful, return step a continuation debug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410836068.3A CN104502831A (en) | 2014-12-29 | 2014-12-29 | Circuit board debugging and detecting system and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410836068.3A CN104502831A (en) | 2014-12-29 | 2014-12-29 | Circuit board debugging and detecting system and application method thereof |
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| CN104502831A true CN104502831A (en) | 2015-04-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107765042A (en) * | 2017-09-30 | 2018-03-06 | 芜湖欣宏电子科技有限公司 | A kind of adjustable test needle bed for circuit board |
| CN107807134A (en) * | 2017-11-09 | 2018-03-16 | 上海御渡半导体科技有限公司 | A kind of electric testing agency of pcb board pressing degree |
| CN109992546A (en) * | 2017-12-29 | 2019-07-09 | 深圳市优必选科技有限公司 | A kind of AccessPort device and adjustment method |
| CN116744573A (en) * | 2023-08-09 | 2023-09-12 | 深圳市塔联科技有限公司 | PCB tracking control system and method |
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| CN104200033A (en) * | 2014-09-09 | 2014-12-10 | 哈尔滨工业大学 | High-speed circuit board serial port debugging method based on FPGA and DSP |
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| CN201589822U (en) * | 2009-12-30 | 2010-09-22 | 长城信息产业股份有限公司 | GPS board card testing device before assembly |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107765042A (en) * | 2017-09-30 | 2018-03-06 | 芜湖欣宏电子科技有限公司 | A kind of adjustable test needle bed for circuit board |
| CN107807134A (en) * | 2017-11-09 | 2018-03-16 | 上海御渡半导体科技有限公司 | A kind of electric testing agency of pcb board pressing degree |
| CN109992546A (en) * | 2017-12-29 | 2019-07-09 | 深圳市优必选科技有限公司 | A kind of AccessPort device and adjustment method |
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| CN116744573A (en) * | 2023-08-09 | 2023-09-12 | 深圳市塔联科技有限公司 | PCB tracking control system and method |
| CN116744573B (en) * | 2023-08-09 | 2023-10-17 | 深圳市塔联科技有限公司 | PCB tracking control system and method |
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Application publication date: 20150408 |