Burning test fixture for PCB (Printed Circuit Board)

Abstract

The utility model discloses a burning test fixture for a PCB (Printed Circuit Board), which comprises a test platform, a control circuit board, a test probe and a display screen, and is characterized in that the test platform is used for fixing the PCB to be tested; the control circuit board is installed in the test platform. The test probe is electrically connected with the control circuit board and is used for being in contact with a test point of the PCB; the display screen is installed on the test platform, is electrically connected with the control circuit board, and is used for displaying test data. Direct display of test data is realized through the integrated display screen, and an external computer terminal is not needed; a user can check a test result in real time, data transmission and display through external equipment are not needed, and the test intuition and response speed are remarkably improved; and the fixture can be more conveniently applied to workshops, laboratories or mobile test scenes without depending on an external computer terminal, so that the adaptability is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB board test equipment technical field especially relates to a kind of PCB board's programming test fixture. BACKGROUND

[0002] In the production process of PCB board, programming and testing are key links.The existing PCB board programming test fixture usually displays test data by external computer terminal, and this way has the following problems:

[0003] 1, additional computer equipment is needed, which increases test cost and complexity;

[0004] 2, test data display and reading are not intuitive enough, and efficiency is low;

[0005] 3, for on-site testing or mobile testing scenarios, external computer terminal has high dependency, which limits the flexibility of use.

[0006] Therefore, it is of great significance to develop a PCB board programming test fixture capable of directly displaying test data. UTILITY MODEL CONTENT

[0007] The utility model solves the technical problems that provide a kind of PCB board's programming test fixture, the fixture can directly display test data, without external computer terminal, improve test efficiency and portability.

[0008] In order to solve the above technical problems, the utility model adopts the technical scheme that a kind of PCB board's programming test fixture, including

[0009] Test platform is used to fix the PCB board to be tested;

[0010] Control circuit board is installed in test platform;

[0011] Test probe is electrically connected with control circuit board, and is used to contact with the test point of PCB board;

[0012] Display screen is installed in test platform and is electrically connected with control circuit board, and is used to display test data.

[0013] Further, the test platform is provided with mounting bracket, and the display screen is installed in the mounting bracket.

[0014] Further, the mounting bracket is provided with positioning slot, and the display screen is installed in the positioning slot.

[0015] Further, the mounting bracket can be rotatably installed in the test platform.

[0016] Further, the mounting bracket is provided with wire-avoiding hole.

[0017] Further, the number of the mounting brackets is multiple.

[0018] Further, the test platform is provided with a fixing frame and a pressing structure, the test probe is located directly below the fixing frame, the fixing frame is slidably installed on the test platform and used for fixing the PCB to be tested, and the pressing structure is located directly above the fixing frame and used for pressing the PCB to make the PCB contact with the test probe.

[0019] Further, the pressing structure comprises a pressing handle, a telescopic pressing rod, a telescopic sleeve and a pressing plate, the telescopic sleeve is fixed to the test platform, the pressing plate is installed at the bottom of the telescopic pressing rod and used for pressing the PCB, the telescopic pressing rod is slidably installed in the telescopic sleeve, and the pressing handle is rotatably installed on the test platform and at the top of the telescopic pressing rod.

[0020] Further, the test platform is further provided with guide sliding rods, and the pressing plate is slidably installed on the guide sliding rods.

[0021] Further, the number of the guide sliding rods is two, and the pressing plate is located between the two guide sliding rods.

[0022] The PCB burning test fixture provided by the utility model has the advantages that the utility model provides a PCB burning test fixture which realizes direct display of test data through integrated display screen and does not need external computer terminal; users can view test results in real time, and data transmission and display through external equipment are not needed, the intuitiveness and response speed of the test are obviously improved; the fixture can be more conveniently applied to workshops, laboratories or mobile test scenes and is more adaptable without relying on external computer terminal; dependence on additional computer equipment is reduced, the overall cost of the test system is reduced, and the test process is simplified; the control circuit board and the display screen are integrated in the test platform, the overall structure of the fixture is optimized, and the fixture is more compact and easy to operate; the display screen can present test data in a graphical or digital manner, the user can quickly judge the burning and function state of the PCB, and test efficiency and accuracy are improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structure schematic view of the PCB burning test fixture of the utility model embodiment one;

[0024] Figure 2 It is an explosion view of the PCB burning test fixture of the utility model embodiment one.

[0025] REFERENCE SIGNS:

[0026] 1, test platform; 11, test probe; 12, fixing frame; 13, elastic sliding rod; 14, guide sliding rod; 15, wire passing hole; 2, display screen; 3, mounting bracket; 31, positioning groove; 32, wire avoiding hole; 4, pressing plate; 5, telescopic pressing rod; 6, telescopic sleeve; 7, pressing handle. DETAILED DESCRIPTION

[0027] To illustrate the technical content of the utility model, the purposes and effects achieved, the following will be described in conjunction with the embodiments and the accompanying drawings.

[0028] Please refer to Figure 1 and Figure 2 A kind of programming test fixture of PCB, including

[0029] Test platform 1, for fixing the PCB to be tested;

[0030] Control circuit board, is installed in test platform 1;

[0031] Test probe 11, with control circuit board electric connection, for with the test point of PCB contact;

[0032] Display screen 2, is installed in test platform 1 and with control circuit board electric connection, for showing test data.

[0033] From the above description, the beneficial effects of the utility model are that: by integrating display screen 2, the direct display of test data is realized, without external computer terminal;Users can view test results in real time, without the need for data transmission and display through external equipment, significantly improving the intuitiveness and response speed of testing;Without relying on external computer terminal, so that the fixture can be more conveniently applied to workshop, laboratory or mobile testing scene, more adaptable;Reduce the dependence on additional computer equipment, reduce the overall cost of test system, and simplify the test process;By integrating control circuit board and display screen 2 in test platform 1, the overall structure of the fixture is optimized, making it more compact and easy to operate;Display screen 2 can present test data in graphical or digital form, making it easier for users to quickly judge the programming and functional status of PCB, improving test efficiency and accuracy.

[0034] Further, the test platform 1 is provided with a mounting bracket 3, and the display screen 2 is mounted on the mounting bracket 3.

[0035] From the above description, by setting the mounting bracket 3, the display screen 2 can be more stably mounted on the test platform 1, ensuring that the display screen 2 will not loosen or shift during use. This design improves the installation convenience and stability of the display screen 2.

[0036] Further, the mounting bracket 3 is provided with a positioning slot 31, and the display screen 2 is mounted in the positioning slot 31.

[0037] As can be seen from the above description, the design of the positioning slot 31 can further improve the installation accuracy of the display screen 2, ensure the close cooperation of the display screen 2 and the mounting bracket 3, and prevent the display screen 2 from loosening or shaking during use. This design prolongs the service life of the display screen 2 and improves the display stability of the test data.

[0038] Further, the mounting bracket 3 is rotatably mounted on the test platform 1.

[0039] As can be seen from the above description, the rotatable mounting bracket 3 allows users to adjust the angle of the display screen 2 as needed, making it convenient for users in different positions to view test data. This design improves the flexibility of use and adapts to different working environments and operating habits.

[0040] Further, the mounting bracket 3 is provided with a wire avoiding hole 32.

[0041] As can be seen from the above description, the design of the wire avoiding hole 32 can effectively manage the connection cable between the display screen 2 and the control circuit board, avoid cable entanglement or interference, and improve the neatness and reliability of the jig. At the same time, this design also provides convenience for subsequent maintenance and repair.

[0042] Further, the mounting bracket 3 is provided with a wire avoiding hole 32.

[0043] As can be seen from the above description, the design of the wire avoiding hole 32 can effectively manage the connection cable between the display screen 2 and the control circuit board, avoid cable entanglement or interference, and improve the neatness and reliability of the jig. At the same time, this design also provides convenience for subsequent maintenance and repair.

[0044] Further, the test platform 1 is provided with a fixing frame 12 and a pressing structure, the test probe 11 is located directly below the fixing frame 12, the fixing frame 12 is slidably mounted on the test platform 1 and used to fix the PCB to be tested, and the pressing structure is located directly above the fixing frame 12 and used to press the PCB to make it contact with the test probe 11.

[0045] As can be seen from the above description, through the cooperation of the fixing frame 12 and the pressing structure, the PCB can be firmly fixed on the test platform 1 and ensure good contact with the test probe 11. This design improves the accuracy and reliability of the test, avoiding test errors caused by poor contact.

[0046] Further, the pressing structure includes a pressing handle 7, a telescopic pressing rod 5, a telescopic sleeve 6, and a pressing plate 4. The telescopic sleeve 6 is fixed to the test platform 1, the pressing plate 4 is installed at the bottom of the telescopic pressing rod 5 and used to press the PCB board, the telescopic pressing rod 5 is slidably installed in the telescopic sleeve 6, and the pressing handle 7 is rotatably installed on the test platform 1 and the top of the telescopic pressing rod 5.

[0047] As can be seen from the above description, the pressing structure realizes stable pressing of the PCB board through mechanical transmission, ensuring good contact between the PCB board and the test probe 11. The design of the pressing handle 7 and the telescopic pressing rod 5 makes the operation more convenient, and the user can fix the PCB board through a simple pressing action, improving the test efficiency.

[0048] Further, the test platform 1 is also provided with a guide slide rod 14, and the pressing plate 4 is slidably installed on the guide slide rod 14.

[0049] As can be seen from the above description, the design of the guide slide rod 14 can guide the stable sliding of the pressing plate 4 in the vertical direction, ensuring uniform distribution of the pressing force of the pressing plate 4 on the PCB board, and avoiding poor contact caused by deviation of the pressing plate 4. This design further improves the reliability and accuracy of the test.

[0050] Further, the number of the guide slide rods 14 is two, and the pressing plate 4 is located between the two guide slide rods 14.

[0051] As can be seen from the above description, the design of the two guide slide rods 14 can better support the pressing plate 4, ensuring that the pressing plate 4 remains horizontal during sliding, and further improving the stability of pressing. This design enhances the overall structural strength of the jig, prolongs the service life, and at the same time ensures the reliability of the test process.

[0052] Please refer to Figure 1 and Figure 2The utility model discloses an embodiment one for: a kind of programming test fixture of PCB board, including test platform 1, control circuit board (not shown in drawing), test probe 11 and display screen 2, test platform 1 is used to fix the PCB board to be tested;Control circuit board is installed in test platform 1;Test probe 11 is electrically connected with control circuit board, for being contacted with the test point of PCB board;Display screen 2 is installed in test platform 1 and is electrically connected with control circuit board, for showing test data;Direct display of test data is realized by integrated display screen 2, without external computer terminal;User can view test result in real time, without being transmitted and being shown by external equipment, significantly improve the intuitiveness and response speed of test;Without relying on external computer terminal, so that fixture can be more conveniently applied in workshop, laboratory or mobile test scene, more adaptable;Reduce the dependence on additional computer equipment, reduce the overall cost of test system, while simplifying test procedure;By integrating control circuit board and display screen 2 in test platform 1, the overall structure of fixture is optimized, so that it is more compact and easy to operate;Display screen 2 can present test data in graphical or digital manner, facilitate user to quickly judge the programming and function state of PCB board, improve test efficiency and accuracy.

[0053] Specifically, the control circuit board is installed inside the test platform 1 and fixed to the bottom of the platform by screws. The control circuit board includes a programming module, a test module, a data processing module, and a power module. The programming module uses a general programming chip and supports multiple programming protocols. The test module is equipped with a high-precision signal detection circuit and can comprehensively test the electrical performance of the PCB board. The data processing module is responsible for converting test data into signals recognizable by the display screen 2. The power module provides stable 12V DC power for the entire fixture. More specifically, the outer wall of the test platform 1 is also provided with a wire hole 15 for the power cord to pass through. The power cord realizes the electrical connection between the display screen 2 and the control circuit board through the wire hole 15.

[0054] Preferably, the test platform 1 is provided with a mounting bracket 3, and the display screen 2 is mounted on the mounting bracket 3. By providing the mounting bracket 3, the display screen 2 can be more stably mounted on the test platform 1, ensuring that the display screen 2 will not loosen or shift during use. This design improves the convenience and stability of the installation of the display screen 2; specifically, the mounting bracket 3 is provided with a positioning groove 31, and the display screen 2 is mounted in the positioning groove 31. The design of the positioning groove 31 can further improve the installation accuracy of the display screen 2, ensuring the close fit of the display screen 2 and the mounting bracket 3, and preventing the display screen 2 from loosening or shaking during use. This design prolongs the service life of the display screen 2 and improves the stability of the display of test data; in this embodiment, the mounting bracket 3 is rotatably mounted on the test platform 1. The rotatable mounting bracket 3 allows users to adjust the angle of the display screen 2 as needed, making it convenient for users at different positions to view test data. This design improves the flexibility of use and adapts to different working environments and operating habits; in detail, the mounting bracket 3 is connected to the test platform 1 through a hinge. In addition, the mounting bracket 3 is provided with a wire avoiding hole 32. The design of the wire avoiding hole 32 can effectively manage the connection cables between the display screen 2 and the control circuit board, preventing the cables from being tangled or interfering, and improving the neatness and reliability of the jig. At the same time, this design also provides convenience for subsequent maintenance and repair.

[0055] As an option, the number of mounting brackets 3 can be multiple. The design of multiple mounting brackets 3 can adapt to display screens 2 of different sizes, enhancing the versatility and expandability of the jig; specifically, the number of mounting brackets 3 can be set according to actual application needs, which will not be described here.

[0056] Preferably, the test platform 1 is provided with a fixing frame 12 and a pressing structure, the test probe 11 is located directly below the fixing frame 12, the fixing frame 12 is slidably mounted on the test platform 1 and used to fix the PCB to be tested, and the pressing structure is located directly above the fixing frame 12 and used to press the PCB to make it contact with the test probe 11. Through the cooperation of the fixing frame 12 and the pressing structure, the PCB can be firmly fixed on the test platform 1 and ensure good contact with the test probe 11. This design improves the accuracy and reliability of the test, avoiding test errors caused by poor contact; specifically, the fixing frame 12 is provided with a fixing groove for placing the PCB to be tested, and the fixing groove is provided with a position avoiding hole corresponding to the position of the test probe 11. The fixing frame 12 is connected to the test platform 1 through a elastic sliding rod 13.

[0057] In detail, the pressing structure comprises a pressing handle 7, a telescopic pressing rod 5, a telescopic sleeve 6 and a pressing plate 4, the telescopic sleeve 6 is fixed to the test platform 1, the pressing plate 4 is installed at the bottom of the telescopic pressing rod 5 and used for pressing the PCB board, the telescopic pressing rod 5 is slidably installed in the telescopic sleeve 6, and the pressing handle 7 is rotatably installed on the test platform 1 and the top of the telescopic pressing rod 5. The pressing structure realizes stable pressing on the PCB board through mechanical transmission, and ensures good contact between the PCB board and the test probe 11. The design of the pressing handle 7 and the telescopic pressing rod 5 makes the operation more convenient, and the user can fix the PCB board through a simple pressing action, thereby improving the test efficiency. More specifically, the test platform 1 is also provided with a guide sliding rod 14, and the pressing plate 4 is slidably installed on the guide sliding rod 14. The design of the guide sliding rod 14 can guide the stable sliding of the pressing plate 4 in the vertical direction, ensure that the pressing force of the pressing plate 4 on the PCB board is uniformly distributed, and avoid poor contact caused by the deviation of the pressing plate 4. This design further improves the reliability and accuracy of the test. In the embodiment, the number of guide sliding rods 14 is two, and the pressing plate 4 is located between the two guide sliding rods 14. The design of the two guide sliding rods 14 can better support the pressing plate 4, ensure that the pressing plate 4 remains horizontal during sliding, and further improve the stability of pressing. This design enhances the overall structural strength of the jig, prolongs the service life, and ensures the reliability of the test process.

[0058] In summary, the burning test jig for the PCB board provided by the utility model realizes direct display of test data through integrated display screens, without the need for external computer terminals. Users can view test results in real time without the need for data transmission and display through external devices, thereby significantly improving the intuitiveness and response speed of the test. The jig can be more conveniently applied to workshops, laboratories or mobile test scenes without the need for external computer terminals, thereby being more adaptable. The dependence on additional computer equipment is reduced, the overall cost of the test system is reduced, and the test process is simplified. By integrating the control circuit board and the display screen in the test platform, the overall structure of the jig is optimized, thereby being more compact and easy to operate. The display screen can present test data in a graphical or digital manner, thereby facilitating users to quickly judge the burning and function state of the PCB board and improving the test efficiency and accuracy.

[0059] The above description is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent transformation or direct or indirect application in the related technical field based on the content of the utility model specification and drawings is also included in the patent protection range of the utility model.

Claims

1. A PCB board burning test fixture, characterized in that, The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board 2. The burning test fixture of the PCB board according to claim 1, wherein, The utility model relates to a test platform for PCB board 3.The PCB board burning test fixture of claim 2, wherein, The utility model relates to a test platform for PCB board 4. The burning test fixture of the PCB board according to claim 2, wherein, The utility model relates to a test platform for PCB board 5. The burn-in test fixture for PCB board of claim 2, wherein, The utility model relates to a test platform for PCB board 6. The burn-in test fixture for PCB board of claim 2, wherein, The utility model relates to a test platform for PCB board 7. The burn-in test fixture for PCB board of claim 1, wherein, The utility model relates to a test platform for PCB board 8.The PCB board burning test fixture of claim 7, wherein, The utility model relates to a test platform for PCB board 9. The burn-in test fixture for PCB board of claim 8, wherein, The utility model relates to a test platform for PCB board 10. The burn-in test fixture for PCB board of claim 9, wherein, The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates to a test platform for PCB board The utility model relates

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