CN112858869A - PCBA board burning and testing method and system - Google Patents
PCBA board burning and testing method and system Download PDFInfo
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- CN112858869A CN112858869A CN201911100146.2A CN201911100146A CN112858869A CN 112858869 A CN112858869 A CN 112858869A CN 201911100146 A CN201911100146 A CN 201911100146A CN 112858869 A CN112858869 A CN 112858869A
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- 238000012360 testing method Methods 0.000 title claims abstract description 104
- 238000001514 detection method Methods 0.000 claims abstract description 117
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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]
- G01R31/281—Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing
- G01R31/2815—Functional tests, e.g. boundary scans, using the normal I/O contacts
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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
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
Abstract
The invention discloses a PCBA board burning and testing method, which comprises the following steps: the control board acquires voltage data of a PCBA board on the test probe dial; the control panel judges whether the acquired voltage data accord with a first preset voltage or not; if the acquired voltage data accord with the first preset voltage, the control board sequentially starts a burning program to carry out program burning on the chips on the PCBA board; after the burning is finished, the control board sequentially starts a detection program to test the burned PCBA and display a test result on the display board. The invention also discloses a system for burning and testing the PCBA. Through above-mentioned embodiment, make burning record, voltage detection and the function detection of PCBA board more swift, not only promoted production work efficiency, improved the success rate of burning record of PCBA board moreover.
Description
Technical Field
The invention relates to the technical field of chip burning and testing, in particular to a method and a system for burning and testing a PCBA board.
Background
With the rapid development of automation in the electronic industry, various programmable chips have emerged. In the production process of the PCBA board with programming requirements, a programmable chip to be burned needs to be manually placed on a program burner, the chip with the program burned is mounted on the PCBA board through a chip mounter, and the whole PCBA board is tested. In the testing process, chip firmware needs to be manually burned and downloaded in a traditional method, and then a multimeter is used for performing simple power on-off testing. The simple power on-off test cannot verify whether the chip firmware is actually burned successfully and whether the chip can normally run. During mass production, manual operation of a firmware burner, insertion and extraction of a downloading port and measurement confirmation of each test point of a measuring instrument are needed, different test positions are needed for burning and functional testing, the operating process is low in efficiency, the capacity is affected, and the risk of product reject ratio is increased due to the probability of manual misoperation.
Disclosure of Invention
The invention mainly solves the technical problem of providing a PCBA board burning and testing method and system, and solves the problems of low production efficiency and high product reject ratio caused by manual burning and testing.
In order to solve the technical problems, the first technical scheme adopted by the invention is as follows: a PCBA board burning and testing method is provided, and comprises the following steps: the control board acquires voltage data of a PCBA board on the test probe dial; the control panel judges whether the acquired voltage data accord with a first preset voltage or not; if the acquired voltage data accord with a first preset voltage, the control board sequentially starts a burning program to perform program burning on chips on the PCBA board; after the burning is finished, the control board sequentially starts a detection program to test the burned PCBA and display a test result on the display board.
Another technical solution adopted by the present invention to solve the above technical problems is: providing a PCBA board burning and testing system, wherein the system comprises a system jig, a display board, a control board and at least one detection board, and a test signal line and a burning signal line are arranged between the control board and the detection board; the system jig is used for loading the display panel, the control panel and the detection panel; the detection board comprises a functional bottom board, a power supply module and a detection probe dial, wherein the detection probe dial is used for installing and placing the PCBA, and the functional bottom board is used for collecting data signals on the PCBA and transmitting the collected data signals to the control board; the power supply module is used for supplying power to the display panel, the control panel and the detection panel; the control panel comprises a burning module, a voltage detection module and a function detection module, wherein the burning module comprises a downloading unit and a burning unit, the voltage detection module comprises a first sending unit, a first comparing unit and a first judging unit, the function detection module comprises a second sending unit, a second comparing unit and a second judging unit, and the display panel is used for displaying a detection result; the display panel, the burning module, the voltage detection module, the function detection module, the power supply module, the function bottom plate and the test probe plate are realized by hardware, software or a combination thereof.
The invention has the beneficial effects that: according to the PCBA board burning and testing method and system, the firmware burning, the voltage testing and the function testing are integrated into the integrated machine, so that the operation is convenient and rapid, and the production working efficiency is improved; meanwhile, the burning and testing process is fully automated, the burning success rate of the PCBA is improved, the burning result and the running condition of the PCBA can be more accurately detected, and the burning and testing of the PCBA are convenient to manage.
Drawings
FIG. 1 is a flow chart of an embodiment of a PCBA board burning and testing method of the present invention;
FIG. 2 is a schematic structural diagram of a PCBA board burning and testing system according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a burning module according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an embodiment of a voltage detection module according to the present invention;
fig. 5 is a schematic structural diagram of an embodiment of a function detection module according to the present invention.
Detailed Description
The present invention provides a method and a system for burning and testing a PCBA board, and in order to make the purpose, technical solution and technical effect of the present invention more clear and clear, the present invention is further described in detail below, and it should be understood that the specific implementation examples described herein are only for explaining the present invention, and are not intended to limit the present invention.
Referring to fig. 1 and 2, fig. 1 is a flow chart of an embodiment of the PCBA board burning and testing method of the present invention, and fig. 2 is a structural schematic diagram of an embodiment of the PCBA board burning and testing system of the present invention. The main execution body of the embodiment of the invention is a control board 11. The PCBA board burning and testing method of the embodiment comprises the following steps:
s101: the control board 11 obtains voltage data for the PCBA board 14 on the test probe card 123.
Specifically, first, the power module 121 powers on the control board 11 through the function board 122, so that the control board 11 controls the single chip on the function board 122 to perform data initialization, and the command interaction mode is entered between the function board 122 and the control board 11.
The PCBA board 14 before burning is installed on the test probe needle disc 123, so that the detection pins and the burning pins on the PCBA board 14 before burning correspond to the probes on the test probe needle disc 123, the clamp on the test probe needle disc 123 is pressed downwards, pin contacts on the PCBA board 14 before burning are in full contact with the probes on the test probe needle disc 123, the control board 11 sends an instruction to the function bottom board 122, the function bottom board 122 can collect voltage data at the detection pins of the PCBA board 14 to be burned through the probes on the test probe needle disc 123, the function bottom board 122 transmits the voltage data to the control board 11, and the control board 11 analyzes the voltage data.
S102: the control board 11 determines whether the acquired voltage data conforms to a first preset voltage.
The collected voltage data can be compared with a first preset voltage, and whether the voltage exists on the detection pin on the PCBA board 14 or not is judged. If the collected voltage data accords with the preset voltage, the voltage of the detection pin on the PCBA board 14 exists, which can indicate that the PCBA board 14 before burning is correctly placed on the detection probe dial 123; if the collected voltage data does not accord with the first preset voltage, which indicates that the installation position of the PCBA board 14 before burning on the test probe disc 123 is wrong, step S105 is executed, the detection result is displayed on the display panel, the operation is finished, the PCBA board 14 before burning can be installed on the test probe disc 123 again, the operation is repeated until the collected voltage of the detection pin on the PCBA board 14 before burning accords with the first preset voltage, and the operation of step S103 can be executed. The first preset voltage is an accurate voltage value or a specific voltage range.
S103: if the acquired voltage data conforms to a first preset voltage, the control board 11 sequentially starts a burning program to perform program burning on the programmable chips on the PCBA board 14;
specifically, when the collected voltage data of the detection pin of the PCBA board 14 before burning meets the first preset voltage, the control board 11 detects that the PCBA board 14 before burning is correctly placed on the test probe disc 123, and the control board 11 calls the burning program to perform program burning on the programmable chip of the PCBA board 14. The number of the detection pins can be multiple, and the detection pins can be uniformly distributed on the PCBA board 14.
The program to be burned can be first acquired, the program to be burned is input into the burning module 111, and the program to be burned and the program information of the chip to be burned are analyzed by the burning module 111 to acquire the information of the chip to be burned and the program information of the chip to be burned. The burning chip information represents the relevant information of the chip to be burned, and the program of the burning chip represents the program information corresponding to the chip to be burned. The burning module 111 burns the program information to be burned on the chip to be burned through the burning signal line, thereby completing the burning. The number of the chips to be burned can be multiple, and parameters in the chips to be burned can be identified through the burning module 111, so that burning of the chips can be completed simultaneously. When the content to be burned of the chip to be burned is more, the burning program information corresponding to the chip to be burned may need to be sent for multiple times, so that the burning program information is sent for multiple times, the burning module 111 burns each received program information into the chip, and the chip burning can be successful. In another embodiment, the chip to be burned can be burned with a plurality of programs.
S104: after the burning is finished, the control board 11 sequentially starts a detection program to test the burned PCBA 14.
The test of the control board 11 on the burned PCBA board 14 includes voltage detection and function detection. Specifically, the function board 122 powers on the burned PCBA board 14 through the test probe dial 123, the function board 122 collects voltage data at the detection pins on the burned PCBA board 14 through the probes on the test probe dial 123, the function board 122 transmits the collected voltage data of the burned PCBA board 14 to the voltage detection module 112 on the control board 11, and the voltage detection module 112 analyzes the detected voltage data. The voltage detection module 112 may compare the detected voltage data with a second preset voltage, and when the detected voltage data conforms to the second preset voltage, it indicates that the voltage detection of the burned PCBA board 14 is qualified; when the detected voltage data does not meet the second preset voltage, it is indicated that the voltage detection of the burned PCBA board 14 is unqualified, and abnormal conditions may occur in the burned PCBA board 14, so that a tester needs to be reminded to pick up the voltage data. Wherein the second predetermined voltage is a certain value or a specific normal voltage value range.
After the voltage detection is completed, the function detection module 113 in the control board 11 sends a function execution command to the burned PCBA board 14 through the function backplane 122, and after the burned PCBA board 14 receives the function execution command, the burning program in the burned PCBA board 14 is started and the received command is executed. When the command is received and normally executed by the PCBA board 14 after burning is completed, the program burning success and the function detection of the PCBA board 14 are indicated to be normal; when the command cannot be received or normally executed by the PCBA board 14 after the burning is completed, it indicates that the program burning of the PCBA board 14 fails and the function detection is abnormal. The function backplane 122 collects parameters of the burned PCBA board 14 when receiving the command and parameters of the command executing process by detecting pins and sends the parameters to the function detection module 113. The function detecting module 113 receives the detected function parameter data sent by the function backplane 122, compares the detected function parameter data with the preset function parameter, and indicates that the burned PCBA board 14 can normally receive and execute the command sent by the function detecting module 113 when the detected function parameter data conforms to the preset function parameter. When the detected function parameter data does not conform to the preset function parameters, it indicates that the burned PCBA board 14 cannot normally receive the instruction of the function detection module 113 and/or cannot normally execute the command sent by the function detection module 113, and reminds the operator of the need of sorting.
It should be noted that the voltage detection and the function detection may be performed simultaneously or sequentially, and may be specifically set according to the actual detection requirement, which is not limited herein.
S105: the test results are displayed on the display panel 13.
Specifically, after the PCBA board 14 completes burning, the burning module 111 sends the burning result to the display board 13. When the monitoring by the voltage detection module 112 is completed, the voltage detection module 112 transmits the detection result to the display panel 13. For example, when the voltage data collected during the voltage detection process conforms to the second preset voltage, the voltage detection module 112 sends and outputs a detection result of "qualified voltage detection" to the display panel 13; when the detected voltage data does not conform to the second preset voltage, the voltage detection module 112 sends a detection result of "voltage detection abnormal" to the display panel 13. The display panel 13 receives the detection result transmitted by the voltage detection module 112 and displays the received output command on the display panel 13 to inform the inspector. When the function detecting module 113 detects whether the burned PCBA board 14 can normally receive and execute the command, the function detecting module 113 sends the detected result to the display panel 13. For example, when the function parameter data collected during the function detection process conforms to the preset function parameter, the function detection module 113 sends and outputs a detection result of "qualified function detection" to the display panel 13, when the collected function parameter data does not conform to the preset function parameter, the function detection module 113 sends a detection result of "abnormal function detection" to the display panel 13, and the display panel 13 receives the detection result transmitted by the function detection module 113, displays the detection result on the display panel 13, and informs the inspector. Wherein the display panel 13 may be a display screen.
The PCBA board 14 burning and testing method provided by the embodiment integrates burning and testing operations on the PCBA board 14, so that the operation is convenient and rapid, the full automation of the burning and testing processes is realized, burning results and the running condition of the PCBA board 14 can be accurately detected, the burning and testing results are more reliable, the PCBA board 14 with abnormal burning and testing can be screened out, and detection by detection personnel is facilitated.
In the embodiment of the system for burning and testing the PCBA board 14, the PCBA board 14 to be tested comprises a plurality of functional circuits and at least one programmable chip, and the burning and testing system comprises a system jig 10, a display board 13, a control board 11 and at least one detection board 12. Wherein the system jig 10 is used for loading the display panel 13, the control panel 11 and the detection board 12, and the detection board 12 comprises a functional base plate 122, a power supply module 121 and a test probe disc 123. The test probe dial 123 is used for installing and placing the PCBA board 14, probes on the test probe dial 123 are correspondingly contacted with test pins and burning pins on the PCBA board 14, the control board 11 comprises a burning module 111, a voltage detection module 112 and a function detection module 113, and a test signal wire and a burning signal wire are arranged between the control board 11 and the detection board 12. The control board 11 may be a computer or other device with a burning and testing program installed therein. The display panel 13, the burning module 111, the voltage detecting module 112, the function detecting module 113, the power supply module 121, the function substrate 122 and the test probe pad 123 are implemented by hardware, software or a combination thereof.
The burning module 111 is used to start the burning program and send the program to be burned to the chip to be burned until the burning of the program information of the chip to be burned is completed. The burning module 111 may be factory manual burning software provided by an IC manufacturer, or burning software developed according to an API (Application Programming Interface) for IC burning of the IC manufacturer.
The voltage testing module is used for controlling and receiving voltage data of the burned PCBA board 14 collected by the functional bottom board 122, analyzing and processing the collected voltage data, obtaining a voltage detection result of the burned PCBA board 14, and sending the voltage detection result to the display panel 13.
The function detecting module 113 is configured to control to receive the function parameters of the burned PCBA board 14 collected by the function bottom board 122, perform comparison analysis processing on the collected function parameters, obtain a function detecting result of the burned PCBA board 14, and send the function detecting result to the display panel 13.
The function board 122 is configured to transmit an instruction sent by the burning module 111, the voltage detection module 112, and the function detection module 113 to the PCBA board 14, and simultaneously collect detection information of a test pin of the PCBA board 14, and feed the detection information back to the burning module 111, the voltage detection module 112, and the function detection module 113.
The test probe dial 123 is used for mounting and placing the PCBA board 14, so that the test pins and the burning pins on the PCBA board 14 correspond to the probes on the test probe dial 123, and subsequent data transmission is facilitated.
The power module 121 is used for supplying power to the functional backplane 122, the test probe disc 123, the burning module 111, the voltage detection module 112, the functional detection module 113 and the display panel 13.
Fig. 3 is a schematic diagram of an embodiment of the burning module 111. The burning module 111 includes:
the downloading unit 1111 is configured to determine a program to be burned corresponding to the burned PCBA board 14, and download the program to be burned;
the burning unit 1112 is configured to, after receiving the burning instruction, burn the program to be burned into the memories of the programmable chips on the PCBA board 14 with the preset number, and send a voltage test request and/or a function test request.
Fig. 4 is a schematic diagram of an embodiment of the voltage detection module 112. The voltage detection module 112 includes:
a first sending unit 1121, configured to send an execution command to the functional backplane 122 according to the voltage detection request detected by the voltage detection module 112, and send the detected voltage data to the first comparing unit 1122 after the execution of the command is finished, where the execution command is used to enable the functional backplane 122 to collect the voltage data at the test pins through the probes of the test probe dial 123;
a first comparing unit 1122, configured to receive the detection voltage data transmitted by the first sending unit 1121, and compare the detection voltage data with a second preset voltage, where the test detection voltage data is result data obtained by analyzing and calculating the detection voltage data sent by the burned module under test of the PCBA board 14 by the first sending unit 1121;
the first determining unit 1123 is configured to determine whether the voltage test is qualified according to the comparison result of the first comparing unit 1122.
Fig. 5 is a schematic diagram of an embodiment of the function detecting module 113. The function detection module 113 includes:
a second sending unit 1131, configured to send an execution command to the burned PCBA board 14 according to the function test request detected by the function detecting module 113, where the execution command enables the burned PCBA board 14 to receive and execute the command, and feed back function parameter data after the command is completed;
the second comparing unit 1132 is configured to receive the functional parameter data transmitted by the second sending unit 1131, and compare the functional parameter data with a preset functional parameter, where the transmitted functional parameter data is result data obtained by analyzing and calculating, by the second sending unit 1131, test data sent by a tested module of the burned PCBA board 14;
the second determining unit 1133 is configured to determine whether the functional test is qualified according to the comparison result of the second comparing unit 1132.
In this embodiment, the burning module 111, the function detection module 113 and the voltage detection module 112 are integrated, so that the burning and testing processes are fully automated, the testing time is shortened, the reliability of burning and testing results is improved, and meanwhile, the PCBA board 14 with abnormal burning and testing can be screened out, and the burning and testing efficiency is improved.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Moreover, it is understood by those skilled in the art that all or part of the steps in the method and system for implementing the embodiments described above may be implemented by relevant hardware instructed by a program, and the corresponding program may be stored in a computer-readable storage medium, such as ROM/RAM, a magnetic disk or an optical disk.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A PCBA board burning and testing method is characterized by comprising the following steps:
the control board acquires voltage data of a PCBA board on the test probe dial;
the control panel judges whether the acquired voltage data accord with a first preset voltage or not;
if the acquired voltage data accord with a first preset voltage, the control board sequentially starts a burning program to perform program burning on chips on the PCBA board;
after the burning is finished, the control board sequentially starts a detection program to test the burned PCBA and display a test result on the display board.
2. The PCBA board burning and testing method as in claim 1, wherein the specific step of the control board determining whether the acquired voltage data conforms to a first preset voltage comprises:
the control board judges whether the acquired voltage data is larger than a first preset voltage or not;
if the acquired voltage data accord with a first preset voltage, the specific steps of the control board sequentially starting a burning program to burn the chip on the PCBA board include:
and when the acquired voltage data is greater than a first preset voltage, the control board sequentially starts a burning program to perform program burning on the chips on the PCBA.
3. The PCBA board burning and testing method as recited in claim 1, wherein the voltage data of the PCBA board on the test probe dial is obtained as an actual voltage of a test pin of the PCBA board before burning.
4. The PCBA board burning and testing method as in claim 1, wherein the testing of the burned PCBA board by the control board comprises voltage detection and function detection.
5. The PCBA board burning and testing method as in claim 4, wherein the voltage detection comprises the following steps:
the control board control function bottom board collects voltage data at the test pins of the printed PCBA board through the test probe dial;
the control board judges whether the voltage data of the PCBA board after the collection and burning meets a second preset voltage or not;
if the collected voltage data of the burned PCBA board conforms to a second preset voltage, the voltage detection is qualified;
and if the collected voltage data of the burned PCBA board does not accord with a second preset voltage, the voltage detection is abnormal.
6. The PCBA board burning and testing method as in claim 4, wherein the function detection comprises the specific steps of:
the control board sends a function execution instruction to the burned PCBA board through a function bottom board;
the control board control function bottom board collects functional parameter data at the test pins of the printed PCBA board through a test probe dial;
the control board judges whether the functional parameter data accord with preset functional parameters or not;
when the functional parameter data accord with preset functional parameters, the function detection of the burned PCBA board is qualified;
and when the functional parameter data does not accord with the preset functional parameters, the function detection of the burned PCBA board is unqualified.
7. The PCBA board burning and testing method as recited in claim 1, wherein the step of the control board obtaining voltage data of the PCBA board on the test probe card dial further comprises the steps of presetting a first preset voltage, a second preset voltage and preset function parameters:
and setting and storing a first preset voltage, a second preset voltage and preset function parameters.
8. A PCBA board burning and testing system is characterized by comprising a system jig, a display board, a control board and at least one detection board, wherein a test signal line and a burning signal line are arranged between the control board and the detection board;
the system jig is used for loading the display panel, the control panel and the detection panel;
the detection board comprises a functional bottom board, a power supply module and a detection probe dial, wherein the detection probe dial is used for installing and placing the PCBA, and the functional bottom board is used for collecting data signals on the PCBA and transmitting the collected data signals to the control board; the power supply module is used for supplying power to the display panel, the control panel and the detection panel;
the control panel comprises a burning module, a voltage detection module and a function detection module, wherein the burning module comprises a downloading unit and a burning unit, the voltage detection module comprises a first sending unit, a first comparison unit and a first judgment unit, the function detection module comprises a second sending unit, a second comparison unit and a second judgment unit, and the display panel is used for displaying a detection result.
9. The PCBA board burning and testing system as recited in claim 8, wherein the system jig is provided with a clamp and a power switch, the clamp is used for fixing the PCBA board; the power switch is used for controlling power-on.
10. An apparatus having a storage function, the apparatus storing program data, wherein the program data is capable of being executed to implement the steps of the PCBA board burning and testing method as recited in any one of claims 1-7.
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| CN201911100146.2A CN112858869A (en) | 2019-11-12 | 2019-11-12 | PCBA board burning and testing method and system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113973A (en) * | 2021-09-23 | 2022-03-01 | 深圳市云伽智能技术有限公司 | Circuit board testing method and device, computer equipment and storage medium thereof |
| CN114236352A (en) * | 2021-12-13 | 2022-03-25 | 航天科技控股集团股份有限公司 | Full-automatic detection system of vehicle-mounted terminal module printed board |
| CN117665545A (en) * | 2024-02-01 | 2024-03-08 | 广州市大枣信息科技有限公司 | Burn-in test device, system and method |
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