CN111999640A - Circuit board testing system based on cabinet and testing method thereof - Google Patents
Circuit board testing system based on cabinet and testing method thereof Download PDFInfo
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- CN111999640A CN111999640A CN202010710662.3A CN202010710662A CN111999640A CN 111999640 A CN111999640 A CN 111999640A CN 202010710662 A CN202010710662 A CN 202010710662A CN 111999640 A CN111999640 A CN 111999640A
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- 238000012360 testing method Methods 0.000 title claims abstract description 108
- 238000004891 communication Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 6
- 238000012790 confirmation Methods 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000006870 function Effects 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 238000012812 general test Methods 0.000 description 6
- 230000015654 memory Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 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
- G01R31/317—Testing of digital circuits
- G01R31/3181—Functional testing
- G01R31/31816—Soft error testing; Soft error rate evaluation; Single event testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- 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
- G01R31/317—Testing of digital circuits
- G01R31/3181—Functional testing
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- General Engineering & Computer Science (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The invention relates to a circuit board testing system based on a cabinet and a testing method thereof, and the circuit board testing system comprises a cabinet body, wherein a modularized testing component used for testing various circuit boards, providing functions of power supply, on-line programming read-back, various testing interfaces and the like is arranged in the cabinet body, and the modularized testing component comprises an upper computer, a testing and installing platform, a display and a universal testing interface. Compared with the prior art, the invention integrates various resources of the test circuit board and the universal test system through resource integration, has universalization and standardization, realizes the modularization and the standard of circuit board test, realizes the maximized design reuse, quickly meets various different requirements with the least modules and parts, improves the universality of the invention and achieves the aim of saving cost, and improves the expansibility of the invention by adopting a high-performance FPGA as a processing center.
Description
Technical Field
The invention relates to the technical field of circuit board testing, in particular to a circuit board testing system based on a cabinet and a testing method thereof.
Background
A large amount of memories and programmable devices are used in plates of avionic products, the proportion of software is higher and higher, the test and maintenance difficulty of subsequent products is higher and higher, aiming at the test and software repair problems of the circuit boards, research is planned from the aspect of software repair, internal core codes such as processors, memories, configuration chips or programmable devices and the like on the circuit boards are backed up by directly reading, replacing or software transplanting and the like, analysis is developed aiming at partial assembly programs, the working principle on a module machine is understood, the test and fault positioning capability of the plates is realized by a forward development mode, a large amount of programmable devices are integrated in the plates, and various programming interfaces are different, and power supply ranges are different, so that a test platform system with high expansibility and universality is provided, can be used for the test work of most board cards, and provides a power supply board card, The functions of on-line programming read-back, providing various testing interfaces and the like are achieved.
Disclosure of Invention
In order to solve the technical problem, the invention provides a circuit board testing system based on a cabinet and a testing method thereof.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a circuit board test system based on a cabinet comprises a cabinet body, wherein a modularized test assembly used for testing various circuit boards, providing functions of power supply, on-line programming read-back, various test interfaces and the like is arranged in the cabinet body, and comprises an upper computer, a test installation platform, a display and a universal test interface;
the upper computer is used for running test software, the test installation platform is used for fixing and installing a circuit board to be tested, and the display is used for computer output display.
Furthermore, a simulator for reading codes inside the circuit board and having an online debugging function and a power supply for supplying power to the whole test system are arranged on the test installation platform.
Further, the simulator is in communication connection with an upper computer.
Furthermore, a first standby drawer, a second standby drawer and a third standby drawer for placing the test cable, the mouse and the keyboard are further arranged in the cabinet body.
A test method applied to a circuit board test system based on a cabinet specifically comprises the following steps:
starting a power supply, turning on an upper computer, and reading and testing a system by embedded module software in the testing system;
secondly, connecting the circuit board to be tested with the simulator on the test mounting platform through the test cable, and determining whether the communication connection between the circuit board to be tested and the upper computer is normal;
the upper computer sends the corresponding data to an FPGA of the upper computer according to the information in the circuit board to be detected, and the FPGA detects and reads back the information in the circuit board to be detected;
the FPGA corrects the information in the circuit board to be detected and the information in the circuit board with correct standard and transmits the corrected reply instruction to the upper computer;
and (V) judging whether the circuit board to be tested is normal or not by the upper computer according to the reply instruction, and printing the information through the serial port.
Further, the specific steps of correctly mounting and normally connecting the circuit board to be tested in the step (two) are as follows:
(S1) finding a corresponding test interface in the upper computer according to the information carried by the circuit board to be tested;
(S2) according to the connection flow chart provided in the corresponding test interface, the circuit board to be tested is correctly connected with the simulator through the test cable and the universal test interface;
(S3) the upper computer sends a communication confirmation command to the simulator, and whether the communication between the upper computer and the circuit board to be tested is normal or not is tested.
The invention has the beneficial effects that:
compared with the prior art, the invention integrates various resources of the test circuit board and the universal test system through resource integration, has universalization and standardization, realizes the modularization and the standard of circuit board test, realizes the maximized design reuse, quickly meets various different requirements with the least modules and parts, improves the universality of the invention and achieves the aim of saving cost, and improves the expansibility of the invention by adopting a high-performance FPGA as a processing center.
Drawings
The invention is further illustrated with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the circuit connection relationship of the present invention;
FIG. 3 is a flow chart of the testing method of the present invention.
In the figure: 1. a cabinet body; 2. an upper computer; 3. testing the mounting platform; 4. a display; 5. a universal test interface; 6. a simulator; 7. a power source; 8. a first standby drawer; 9. a second standby drawer; 10. and a third standby drawer.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained in the following with the accompanying drawings and the embodiments.
As shown in fig. 1 to 2, a circuit board testing system based on a cabinet comprises a cabinet body 1, a modularized testing assembly used for testing various circuit boards, providing functions of power supply, on-line programming read-back, various testing interfaces and the like is arranged in the cabinet body 1, and the modularized testing assembly comprises an upper computer 2, a testing and mounting platform 3, a display 4 and a universal testing interface 5.
As a further improvement of the present invention, the cabinet 1 is further provided with a first standby drawer 8, a second standby drawer 9, and a third standby drawer 10. Wherein, the reserve steamer tray 10 of third is located the bottom of the cabinet body 1, and host computer 2 is located the top of the reserve steamer tray 10 of third, and test mounting platform 3 is located the top of host computer 2, and general test interface 5 is located the top of test mounting platform 3, and the reserve steamer tray 9 of second is located the top of general test interface 5, and display 4 is located the top of the reserve steamer tray 9 of second, and first reserve steamer tray 8 is located the top of display 4.
And a test cable, a mouse, a keyboard and the like are arranged in the first standby drawer 8, the second standby drawer 9 and the third standby drawer 10.
The test mounting platform 3 is further provided with an emulator 6 and a power supply 7, wherein the emulator 6 is connected with the upper computer 2 through a USB, and the power supply 7 is a 220V power supply.
The upper computer 2 is respectively connected with the display 4, the simulator 6, the power supply 7 and the mouse and keyboard, and is also connected with an internal FPGA-based general test system through a serial port and a network port, the FPGA-based general test system is connected with a general test interface 5, and the general test interface 5 is connected with a test installation platform 3.
Wherein, the cabinet body 1 is used for bearing each test assembly, through bearing of the cabinet body 1, has avoided effectively dropping and rocking of the circuit board that awaits measuring when causing the test because of the careless collision of staff to the influence is to the functional test of the circuit board that awaits measuring, has improved the accuracy to the circuit board that awaits measuring test, has reduced staff's working strength.
The upper computer 2 is used for running test software; the test mounting platform 3 is used for fixing and mounting a circuit board to be tested; the display 4 is used for computer output display; the universal test interface 5 is used for providing a test interface for a circuit board to be tested, so that the invention can be suitable for the test work of various different types of circuit boards, and the application range of the invention is greatly improved; the simulator 6 is used for reading codes inside the circuit board and performing online debugging functions, the power supply 7 is used for supplying power to the whole test system, and the power supply 7 further comprises a sub-power supply for supplying power to the circuit board to be tested.
As shown in fig. 3, a testing method applied to a cabinet-based circuit board testing system includes the following specific steps:
starting a power supply 7, opening the upper computer 2, and reading and testing the system by embedded module software in the testing system.
And secondly, connecting the circuit board to be tested with the simulator 6 on the test mounting platform 3 through the test cable, and confirming whether the communication connection between the circuit board to be tested and the upper computer 2 is normal.
Specifically, a corresponding test interface is found in the upper computer 2 according to the information carried by the circuit board to be tested; then, according to a connection flow chart provided in a corresponding test interface, the circuit board to be tested is correctly connected with the simulator 6 through a test cable; and finally, the upper computer 2 sends a communication confirmation command to the simulator 6, whether the communication between the upper computer 2 and the circuit board to be tested is normal or not is tested, if the communication is normal, the test is continued, and if the communication is not normal, the circuit board to be tested is reconnected.
And (III) the upper computer 2 issues corresponding data to the FPGA of the upper computer 2 according to the information in the circuit board to be detected, and the FPGA detects and reads back the information in the circuit board to be detected.
And (IV) the FPGA corrects the information in the circuit board to be detected and the information in the circuit board with the correct standard and transmits the corrected reply instruction to the upper computer 2.
Fifthly, the upper computer 2 judges whether the circuit board to be tested is normal or not according to the reply instruction; the upper computer 2 prints the information through the serial port after receiving the instruction.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a circuit board test system based on rack which characterized in that: the test cabinet comprises a cabinet body (1), wherein a modularized test assembly used for testing various circuit boards, supplying power, programming and reading on line, providing various test interfaces and the like is arranged in the cabinet body (1), and the modularized test assembly comprises an upper computer (2), a test installation platform (3), a display (4) and a universal test interface (5);
the upper computer (2) is used for running test software, the test mounting platform (3) is used for fixing and mounting a circuit board to be tested, and the display (4) is used for computer output display.
2. The rack-based circuit board testing system of claim 1, wherein: and the test installation platform (3) is provided with a simulator (6) for reading the internal codes of the circuit board and performing online debugging function, and a power supply (7) for supplying power to the whole test system.
3. The rack-based circuit board testing system of claim 2, wherein: the simulator (6) is in communication connection with the upper computer (2).
4. The rack-based circuit board testing system of claim 1, wherein: still be equipped with first reserve steamer tray (8), the reserve steamer tray of second (9), the reserve steamer tray of third (10) that are used for placing test cable and mouse, keyboard in the cabinet body (1).
5. The method of testing the rack-based circuit board test system of any of claims 1 to 4, wherein: the method comprises the following specific steps:
starting a power supply (7), turning on an upper computer (2), and reading and testing a system with a Bit through embedded module software in the testing system;
secondly, connecting the circuit board to be tested with the simulator (6) on the test mounting platform (3), and confirming whether the communication connection between the circuit board to be tested and the upper computer (2) is normal;
thirdly, the upper computer (2) issues corresponding data to an FPGA of the upper computer (2) according to the information in the circuit board to be detected, and the FPGA detects and reads back the information in the circuit board to be detected;
fourthly, the FPGA corrects the information in the circuit board to be detected and the information in the circuit board with the correct standard and transmits the corrected reply instruction to the upper computer (2);
and (V) the upper computer (2) judges whether the circuit board to be tested is normal according to the reply instruction, and prints the information through a serial port.
6. The testing method of a cabinet-based circuit board testing system of claim 5, wherein: the specific steps of correctly installing the circuit board to be tested and judging whether the connection is normal in the step (II) are as follows:
(S1) finding a corresponding test interface in the upper computer (2) according to the information carried by the circuit board to be tested;
(S2) according to the connection flow chart provided in the corresponding test interface, the circuit board to be tested is correctly connected with the simulator (6) through the test cable and the universal test interface (5);
(S3) the upper computer (2) sends a communication confirmation command to the simulator (6) to test whether the communication between the upper computer (2) and the circuit board to be tested is normal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010710662.3A CN111999640A (en) | 2020-07-22 | 2020-07-22 | Circuit board testing system based on cabinet and testing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010710662.3A CN111999640A (en) | 2020-07-22 | 2020-07-22 | Circuit board testing system based on cabinet and testing method thereof |
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| Publication Number | Publication Date |
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| CN111999640A true CN111999640A (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010710662.3A Pending CN111999640A (en) | 2020-07-22 | 2020-07-22 | Circuit board testing system based on cabinet and testing method thereof |
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| Country | Link |
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| CN (1) | CN111999640A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117453472A (en) * | 2023-12-22 | 2024-01-26 | 荣耀终端有限公司 | Single board testing method, single board testing cabinet and computer readable storage medium |
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| CN201177652Y (en) * | 2008-04-02 | 2009-01-07 | 深圳国人通信有限公司 | Test system for circuit board |
| CN101819249A (en) * | 2009-11-25 | 2010-09-01 | 北京佳讯飞鸿电气股份有限公司 | Method for testing circuit board |
| CN101937222A (en) * | 2010-08-17 | 2011-01-05 | 北京交通大学 | Board level testing system |
| CN102435930A (en) * | 2011-09-29 | 2012-05-02 | 福建三元达软件有限公司 | Circuit board testing device and testing method thereof |
| CN105301375A (en) * | 2014-06-06 | 2016-02-03 | 中国电子科技集团公司第三十研究所 | General testing system for module type electronic products |
| CN107450013A (en) * | 2017-09-15 | 2017-12-08 | 北京锐视康科技发展有限公司 | A kind of circuit board functional completeness test platform and method of testing |
| CN107861052A (en) * | 2017-11-27 | 2018-03-30 | 国营芜湖机械厂 | A kind of test box of circuit board |
-
2020
- 2020-07-22 CN CN202010710662.3A patent/CN111999640A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201177652Y (en) * | 2008-04-02 | 2009-01-07 | 深圳国人通信有限公司 | Test system for circuit board |
| CN101819249A (en) * | 2009-11-25 | 2010-09-01 | 北京佳讯飞鸿电气股份有限公司 | Method for testing circuit board |
| CN101937222A (en) * | 2010-08-17 | 2011-01-05 | 北京交通大学 | Board level testing system |
| CN102435930A (en) * | 2011-09-29 | 2012-05-02 | 福建三元达软件有限公司 | Circuit board testing device and testing method thereof |
| CN105301375A (en) * | 2014-06-06 | 2016-02-03 | 中国电子科技集团公司第三十研究所 | General testing system for module type electronic products |
| CN107450013A (en) * | 2017-09-15 | 2017-12-08 | 北京锐视康科技发展有限公司 | A kind of circuit board functional completeness test platform and method of testing |
| CN107861052A (en) * | 2017-11-27 | 2018-03-30 | 国营芜湖机械厂 | A kind of test box of circuit board |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117453472A (en) * | 2023-12-22 | 2024-01-26 | 荣耀终端有限公司 | Single board testing method, single board testing cabinet and computer readable storage medium |
| CN117453472B (en) * | 2023-12-22 | 2024-05-28 | 荣耀终端有限公司 | Single board testing method, single board testing cabinet and computer readable storage medium |
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Application publication date: 20201127 |
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