Circuit board testing device in electronic product and system thereof

Abstract

The invention relates to the technical field of testing devices, in particular to a circuit board testing device and system in an electronic product, and the device comprises a testing box and a box cover on the testing box, a functional seat is mounted in the testing box, a movable groove is formed in one side of the functional seat, power connection seats are distributed in the movable groove, and a movable seat is slidably mounted on the movable groove in a limiting manner; a socket is movably installed at the bottom of the movable seat, the socket is installed on the movable seat in an attached mode through an elastic guiding piece, a control structure is installed on the movable seat, the socket moves downwards to be connected with the power connection seat when the control structure is fixed, an external connection plate is arranged on the movable seat and electrically connected with the socket, and a test pen is connected to the external connection plate through a cable; a sliding seat is transversely and movably installed on the box cover, a jig is fixedly installed on the sliding seat, a magnetic strip is installed on the side face of the sliding seat, a balance weight seat is vertically and movably installed on the box cover, and a magnetic block capable of automatically steering is arranged in the balance weight seat; the purpose of improving the integration and portability of the testing device is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of testing devices, in particular to a circuit board testing device in an electronic product and a system thereof. Background Art

[0002] With the rapid development of electronic technology, modern electronic products are constantly improving in performance, function and complexity. As the core component of electronic products, circuit boards are ubiquitous in electronic products and carry many important functions such as signal processing, power conversion and information storage. Due to the miniaturization and multi-layer characteristics of circuit boards, their design, manufacturing and testing have become more complicated, which puts higher requirements on the quality and reliability of circuit boards.

[0003] When a circuit board in an electronic product fails and needs to be repaired, the circuit board must first be fully tested, which requires the use of effective testing equipment and systems to fully inspect and evaluate the circuit board. Traditional circuit board testing methods usually require the use of a variety of testing equipment, and the testing equipment has poor integration and is not easy to carry. Some integrated testing devices usually also require the setting of a variety of different test interfaces and test pens, which also affects portability. Summary of the invention

[0004] The object of the present invention is to provide a circuit board testing device and a system thereof in an electronic product, so as to improve the integration and portability of the testing device and solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a circuit board testing device in an electronic product, comprising a test box and a box cover thereon, a functional seat is installed in the test box, and a movable groove is provided on one side of the functional seat, power receiving seats are distributed in the movable groove, and corresponding positioning holes are provided on the edge of the movable groove according to the power receiving seat, a movable seat is slidably installed on the upper limit of the movable groove, and a socket is movably installed on the bottom of the movable seat, the socket is fitted on the movable seat through an elastic guide, and a control structure is installed on the movable seat to control the lifting and lowering of the socket, the control structure can be fixed through the positioning holes, and the control structure is When fixed, the socket moves down and connects with the power socket, an external board is arranged on the movable seat and is electrically connected with the socket, and a test pen is connected with the external board through a cable, and the test pen is fixed by the card holder on the functional seat; a slide is installed laterally and movably on the box cover, and a jig is fixedly installed on the slide, a magnetic strip is installed on the side of the slide, and a counterweight seat is installed vertically and movably on the box cover, a magnetic block that can turn automatically is arranged in the counterweight seat, and when the counterweight seat moves to a position close to the test box, the magnetic block can turn to act on the magnetic strip, so that the slide and the jig move to the side close to the movable slot, and a support rod is rotatably installed on the outer surface of the box cover.

[0006] Preferably, a circuit board detection mechanism is provided in the test box, and the functional seat is installed above the circuit board detection mechanism, the power socket is arranged along the path of the movable groove, and the positioning hole is located on the side of the power socket.

[0007] Preferably, a cavity is provided at the bottom of the movable seat, and a suspension rod is vertically slidably mounted on the movable seat, the socket is mounted at the bottom end of the suspension rod, and a first spring is fixedly connected to the suspension rod, and the elastic force generated by the first spring can cause the socket to rise.

[0008] Preferably, an arc plate is installed on the top surface of the socket, and the arc plate is provided with double inclined surfaces. The control structure includes a rotating rod rotatably installed in the middle of the movable seat, and a pressure plate is installed at the bottom end of the rotating rod, and a knob is installed at the top end of the rotating rod, and the pressure plate is in contact with the arc plate.

[0009] Preferably, positioning arms are fixedly installed on both sides of the knob, and sockets are provided at the ends of the positioning arms. The sockets can rotate with the positioning arms to above the positioning holes. At this time, the pressure plate presses the arc plate downward, and the positioning arms are fixed by pins passing through the sockets and the positioning holes.

[0010] Preferably, two wiring sockets are provided on the external board, and the two wiring sockets are respectively connected to two test pens through cables, and the card holder is installed on the surface of the function seat.

[0011] Preferably, a limiting slide groove is formed on the box cover by a limiting plate, and the slide seat is connected in the limiting slide groove, the magnetic strip is vertically installed on the surface of the slide seat, and the counterweight seat is slidably installed through the limiting seat.

[0012] Preferably, a notch is provided on the counterweight seat, and the magnetic block is rotatably installed in the notch through a central axis, a gear is installed on the central axis, and a push plate is slidably installed in the notch, and a rack is fixedly connected to the push plate to mesh with the gear.

[0013] Preferably, a compression rod is fixedly connected to the push plate, and the compression rod is movably mounted on the counterweight seat, and a second spring is fixedly connected to the compression rod.

[0014] A test system for a circuit board test device in an electronic product, the test system comprising: a test platform module, a power supply module, a signal excitation module, a measurement module, a data processing module, an automation control module, a diagnosis and analysis module, an interface module, a storage management module, a network communication module, and a safety protection module; the test platform module is located on a box cover and is used to provide stable support for the electronic product; the power supply module provides the required power for the circuit board during the test; the signal excitation module is used to generate and send various test signals to the circuit board to test its response and function; the measurement module is used to collect various parameters of the circuit board response output, including voltage, current, frequency, and temperature; the data processing module is used to process and analyze the test signals. The data collected by the measurement module is compared with the preset standard parameters to determine the electrical performance of the circuit board; the automation control module controls the test process through software, including signal generation, data acquisition and result analysis, to achieve automated testing; the diagnosis and analysis module automatically diagnoses faults and problems based on the test results, and generates a fault analysis report; the interface module is used to provide a friendly graphical interface for operators to set test parameters, view real-time data and generate test reports; the storage management module is used to store test results, configuration files and fault reports; the network communication module is used to exchange data with other devices to achieve data integration and sharing; the safety protection module is used to provide electrical safety protection, such as overvoltage protection and short circuit protection.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The circuit board testing device of the present invention adopts a box-type structure, which can be carried more conveniently for testing circuit boards in electronic products. A variety of different circuit board detection mechanisms are arranged in the test box and are closed by a functional seat, and each detection mechanism outputs electrical signals and digital signals to the outside through the corresponding power socket. The power sockets are distributed in the movable grooves, and the movable seats can move along the track of the movable groove, so that they can be connected with different power sockets by using the sockets at the bottom thereof, so that the movable seats can have different test functions. When in use, the movable seat is moved to the top of the corresponding power socket according to actual test needs, and then the knob is turned to connect the socket to the corresponding power socket, and the positioning arm is used to fix it to ensure the stability of power connection. After the socket is connected, the external board can energize the test pen through the cable, so that the test pen has a variety of different test capabilities as the movable seat moves, and can complete various testing tasks of the electronic product circuit board.

[0017] 2. The present invention integrates the test platform module on the box cover, and in order to ensure that the box cover can be smoothly merged, the jig is set on a sliding seat. When testing, the jig slides to a position close to the power socket and the test pen. When the test is completed and the cover needs to be closed, considering that the test pen and other components have protrusions, the jig can automatically slide with the slide to the side away from the test pen, and is distributed in a staggered manner to ensure that the box cover can be closed smoothly, thereby improving portability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the cover-opening state of the structure of the present invention.

[0019] Figure 2 It is a schematic diagram of the structure of the present invention in the closed state.

[0020] Figure 3 Schematic diagram of the test box structure of the present invention.

[0021] Figure 4 It is a schematic diagram of the functional seat structure of the present invention.

[0022] Figure 5 It is a schematic diagram of the power socket structure of the present invention.

[0023] Figure 6 It is a schematic diagram of the structure of the test pen of the present invention.

[0024] Figure 7 It is a schematic diagram of the socket structure of the present invention.

[0025] Figure 8 It is a schematic diagram of the socket control structure of the present invention.

[0026] Fig. 9 It is a schematic diagram of the box cover structure of the present invention.

[0027] Fig.10 It is a schematic diagram of the counterweight seat structure of the present invention.

[0028] In the figure: 1. test box; 2. box cover; 3. functional seat; 4. movable slot; 5. power socket; 6. positioning hole; 7. movable seat; 8. suspension rod; 9. socket; 10. first spring; 11. arc plate; 12. rotating rod; 13. pressure plate; 14. knob; 15. positioning arm; 16. socket; 17. latch; 18. external board; 19. cable; 20. test pen; 21. holder; 22. limit plate; 23. slide seat; 24. fixture; 25. magnetic strip; 26. limit seat; 27. counterweight seat; 28. center axis; 29. ​​magnetic block; 30. gear; 31. push plate; 32. rack; 33. pressure rod; 34. second spring; 35. support rod. DETAILED DESCRIPTION

[0029] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment. It should be noted that the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0030] See also Figures 1 to 10 The present invention provides a technical solution: a circuit board testing device in an electronic product, comprising a test box 1 and a box cover 2 thereon, a functional seat 3 is installed in the test box 1, and a movable groove 4 is arranged on one side of the functional seat 3, a power receiving seat 5 is distributed in the movable groove 4, and a corresponding positioning hole 6 is arranged on the edge of the movable groove 4 according to the power receiving seat 5, a movable seat 7 is slidably installed on the upper limit of the movable groove 4, and a socket 9 is movably installed at the bottom of the movable seat 7, the socket 9 is fitted on the movable seat 7 through an elastic guide, and a control structure is installed on the movable seat 7 to control the lifting of the socket 9, the control structure can be fixed through the positioning hole 6, and when the control structure is fixed, the socket 9 moves down and connects with the power receiving seat 5, and the movable seat 7 is provided with an external board 18 which is electrically connected with the socket 9, and a test pen 20 is connected to the external board 18 via a cable 19, and the test pen 20 is fixed by a holder 21 on the functional seat 3; a slide 23 is movably installed horizontally on the box cover 2, and a fixture 24 is fixedly installed on the slide 23, a magnetic strip 25 is installed on the side of the slide 23, and a counterweight seat 27 is movably installed vertically on the box cover 2, a magnetic block 29 which can turn automatically is provided in the counterweight seat 27, and when the counterweight seat 27 moves to a position close to the test box 1, the magnetic block 29 can turn to act on the magnetic strip 25, so that the slide 23 and the fixture 24 move to a side close to the movable slot 4, and a support rod 35 is rotatably installed on the outer surface of the box cover 2.

[0031] The test box 1 is provided with a circuit board detection mechanism, and the functional seat 3 is installed above the circuit board detection mechanism. The power socket 5 is arranged along the path of the movable slot 4 , and the positioning hole 6 is located on the side of the power socket 5 .

[0032] The circuit board testing device of the present invention adopts a box-type structure, which is composed of a test box 1 and a rotating box cover 2. When the box cover 2 is closed, it can be more convenient to carry for testing the circuit boards in electronic products. Various circuit board detection mechanisms, such as oscilloscopes, multimeters, spectrum analyzers, signal generators, etc., are all arranged in the test box 1 and closed by a functional socket 3, and each detection mechanism outputs electrical signals and digital signals to the outside through a corresponding power socket 5.

[0033] A cavity is provided at the bottom of the movable seat 7, and a suspension rod 8 is vertically slidably installed on the movable seat 7, a socket 9 is installed at the bottom end of the suspension rod 8, and a first spring 10 is fixedly connected to the suspension rod 8, and the elastic force generated by the first spring 10 can lift the socket 9.

[0034] All the power sockets 5 are distributed in the movable groove 4. The movable seat 7 can move along the track of the movable groove 4, so as to be connected with different power sockets 5 by using the socket 9 at its bottom, so that the movable seat 7 can have different testing functions. When the movable seat 7 needs to move, the elastic force generated by the first spring 10 can make the suspension rod 8 drive the socket 9 to rise to avoid connection with the power socket 5.

[0035] The top surface of the socket 9 is provided with an arc plate 11, and the arc plate 11 is provided with double inclined surfaces. The control structure includes a rotating rod 12 rotatably installed in the middle of the movable seat 7, and a pressing plate 13 is installed at the bottom end of the rotating rod 12, and a knob 14 is installed at the top end of the rotating rod 12, and the pressing plate 13 is in contact with the arc plate 11. Positioning arms 15 are fixedly installed on both sides of the knob 14, and a plug hole 16 is provided at the end of the positioning arm 15. The plug hole 16 can rotate with the positioning arm 15 to the top of the positioning hole 6. At this time, the pressing plate 13 presses the arc plate 11 downward, and the positioning arm 15 is fixed by a pin 17 that passes through the plug hole 16 and the positioning hole 6.

[0036] According to the actual test needs, the movable seat 7 is moved to the top of the corresponding power socket 5, and then the knob 14 is used to drive the rotating rod 12 to rotate 90 degrees. The pressure plate 13 at the bottom of the rotating rod 12 can rotate along the surface of the arc plate 11, so that the arc plate 11 together with the socket 9 is pressed down, so that the socket 9 is connected to the corresponding power socket 5, and in this state, the positioning arm 15 can be rotated to the top of the positioning hole 6 and fixed by the pin 17 to ensure the stability of the power connection.

[0037] Two wiring sockets are arranged on the external board 18 , and the two wiring sockets are respectively connected to two test pens 20 via cables 19 . The card holder 21 is installed on the surface of the function seat 3 .

[0038] After the socket 9 is connected, the external board 18 can energize the test pen 20 through the cable 19, so that the test pen 20 has a variety of different testing capabilities as the movable seat 7 moves, and can complete various testing tasks of electronic product circuit boards.

[0039] The box cover 2 is provided with a limiting slide groove formed by a limiting plate 22 , and a slide seat 23 is connected in the limiting slide groove, a magnetic strip 25 is vertically mounted on the surface of the slide seat 23 , and a counterweight seat 27 is slidably mounted through a limiting seat 26 .

[0040] The present invention integrates the test platform module on the box cover 2, and in order to ensure that the box cover 2 can be smoothly merged, the jig 24 is set on the sliding seat 23 that can slide. When the test is carried out, the jig 24 slides to a position close to the power socket 5 and the test pen 20. When the test is completed and the cover needs to be closed, considering that the test pen 20 and other components have protrusions, the jig 24 can automatically slide with the sliding seat 23 to a side away from the test pen 20, and is distributed in a staggered manner to ensure that the box cover 2 can be smoothly closed, thereby improving portability.

[0041] The counterweight seat 27 is provided with a notch, and the magnetic block 29 is rotatably installed in the notch through the central shaft 28. A gear 30 is installed on the central shaft 28, and a push plate 31 is slidably installed in the notch. A rack 32 is fixedly connected to the push plate 31 and meshes with the gear 30. A pressure rod 33 is fixedly connected to the push plate 31, and the pressure rod 33 is movably installed on the counterweight seat 27. A second spring 34 is fixedly connected to the pressure rod 33.

[0042] When the box cover 2 is opened, it can first be kept in a horizontal state by the support rod 35, and then the counterweight seat 27 therein can be pushed forward and away from the test box 1. At this time, the pressure rod 33 is in a preset state under the action of the second spring 34, and the magnetic block 29 and the magnetic strip 25 are in a state where the same magnetic poles are opposite to each other. The magnetic force generated by the magnetic block 29 can push the slide 23 outward, so that the fixture 24 moves to the detection position. When the box cover 2 is closed, it can be suspended in a vertical state for a while, and the counterweight seat 27 falls under the action of gravity. The pressure rod 33 thereon is subjected to the pressure of the inner wall of the box cover 2, thereby overcoming the elastic force of the second spring 34 and moving, driving the push plate 31 and the rack 32 to move, and the rack 32 drives the gear 30 to rotate, driving the central shaft 28 and the magnetic block 29 to rotate, and the direction of the magnetic block 29 changes, which can generate suction on the magnetic strip 25, so that the slide 23 and the fixture 24 move, and are misaligned with the test pen 20, etc., to ensure that the box cover 2 can be snapped closed.

[0043] A test system for a circuit board test device in an electronic product, the test system comprising: a test platform module, a power supply module, a signal excitation module, a measurement module, a data processing module, an automation control module, a diagnosis and analysis module, an interface module, a storage management module, a network communication module, and a safety protection module;

[0044] The test platform module is located on the box cover 2 and is used to provide stable support for the electronic product;

[0045] The power supply module provides the required power to the circuit board during testing;

[0046] The signal stimulus module is used to generate and send various test signals to the circuit board to test its response and function;

[0047] The measurement module is used to collect various parameters of the circuit board response output, including voltage, current, frequency, and temperature;

[0048] The data processing module is used to process and analyze the data collected by the measurement module and compare it with the preset standard parameters to determine the electrical performance of the circuit board;

[0049] The automation control module controls the test process through software, including signal generation, data acquisition and result analysis, to achieve automated testing;

[0050] The diagnostic analysis module automatically diagnoses faults and problems based on the test results and generates a fault analysis report;

[0051] The interface module is used to provide a friendly graphical interface, which is convenient for operators to set test parameters, view real-time data and generate test reports;

[0052] The storage management module is used to store test results, configuration files and fault reports;

[0053] The network communication module is used to exchange data with other devices to achieve data integration and sharing;

[0054] The safety protection module is used to provide electrical safety protection, such as overvoltage protection and short circuit protection.

[0055] When the circuit board testing device of the present invention is in use: first, the circuit board testing device of the present invention adopts a box-type structure, which is composed of a test box 1 and a rotating box cover 2. When the box cover 2 is closed, it can be more convenient to carry for testing the circuit boards in electronic products. A variety of different circuit board detection mechanisms, such as an oscilloscope, a multimeter, a spectrum analyzer, a signal generator, etc., are all arranged in the test box 1, which is closed by a functional seat 3, and each detection mechanism outputs electrical signals and digital signals to the outside through a corresponding power socket 5. All power sockets 5 are distributed in the movable groove 4, and the movable seat 7 can move along the track of the movable groove 4, so as to be connected with different power sockets 5 by using the socket 9 at the bottom thereof, so that the movable seat 7 can have different Test function, when the movable seat 7 needs to be moved, the elastic force generated by the first spring 10 can make the suspension rod 8 drive the socket 9 to rise to avoid connection with the power socket 5. According to actual test needs, the movable seat 7 is moved to the top of the corresponding power socket 5, and then the knob 14 is used to drive the rotating rod 12 to rotate 90 degrees. The pressure plate 13 at the bottom of the rotating rod 12 can be rotated along the surface of the arc plate 11, so that the arc plate 11 together with the socket 9 is pressed down, so that the socket 9 is connected to the corresponding power socket 5, and in this state, the positioning arm 15 can be rotated to the top of the positioning hole 6 and fixed by the plug 17 to ensure the stability of the power connection. After the socket 9 is connected, the external board 18 can energize the test pen 20 through the cable 19, so that the test pen 20 With the movement of the movable seat 7, it has a variety of different testing capabilities and can complete various testing tasks of electronic product circuit boards. The present invention integrates the test platform module on the box cover 2, and in order to ensure that the box cover 2 can be smoothly merged, the fixture 24 is set on the sliding seat 23 that can slide. When the test is performed, the fixture 24 slides to a position close to the power socket 5 and the test pen 20. When the test is completed and the cover needs to be closed, considering that the test pen 20 and other components have protrusions, the fixture 24 can automatically slide with the sliding seat 23 to a side away from the test pen 20, and is distributed in a staggered manner to ensure that the box cover 2 can be smoothly closed and improve portability. When the box cover 2 is opened, it can first be kept in a horizontal state by the support rod 35, and then the counterweight seat 27 therein can be placed. Push forward and away from the test box 1. At this time, the pressure rod 33 is in a preset state under the action of the second spring 34. The magnetic block 29 and the magnetic strip 25 are in a state where the same magnetic poles are opposite to each other. The magnetic force generated by the magnetic block 29 can push the slide 23 outward, so that the fixture 24 moves to the detection position. When closing the box cover 2, it can be suspended in a vertical state for a while. The counterweight seat 27 falls under the action of gravity, and the pressure rod 33 thereon is subjected to the pressure of the inner wall of the box cover 2, thereby overcoming the elastic force of the second spring 34 and moving, driving the push plate 31 and the rack 32 to move. The rack 32 pushes the gear 30 to rotate, driving the central shaft 28 and the magnetic block 29 to rotate. The direction of the magnetic block 29 changes, which can generate suction on the magnetic strip 25, so that the slide 23 and the fixture 24 move.The box cover 2 is staggered with the test pen 20 to ensure that the box cover 2 can be locked and closed.

[0056] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circuit board testing device for an electronic product, comprising a test box (1) and a box cover (2) thereon, characterized in that: The test box (1) is provided with a functional seat (3), and a movable groove (4) is provided on one side of the functional seat (3). A power receiving seat (5) is distributed in the movable groove (4), and a corresponding positioning hole (6) is provided on the edge of the movable groove (4) according to the power receiving seat (5). A movable seat (7) is slidably installed at the upper limit of the movable groove (4), and a socket (9) is movably installed at the bottom of the movable seat (7). The socket (9) is fitted on the movable seat (7) through an elastic guide member, and a control structure is installed on the movable seat (7) to control the lifting and lowering of the socket (9). The control structure can be fixed through the positioning hole (6), and when the control structure is fixed, the socket (9) moves down to connect with the power receiving seat (5). An external board (18) is provided on the movable seat (7) to be electrically connected with the socket (9), and a test pen (20) is connected to the external board (18) through a cable (19), and the test pen (20) is fixed through a card seat (21) on the functional seat (3); A slide seat (23) is movably mounted on the box cover (2) in a transverse direction, and a fixture (24) is fixedly mounted on the slide seat (23); a magnetic strip (25) is mounted on the side of the slide seat (23), and a counterweight seat (27) is movably mounted on the box cover (2) in a vertical direction; a magnetic block (29) capable of automatically turning is arranged in the counterweight seat (27); and when the counterweight seat (27) moves to a position close to the test box (1), the magnetic block (29) can turn to act on the magnetic strip (25), so that the slide seat (23) and the fixture (24) move to a side close to the movable groove (4); and a support rod (35) is rotatably mounted on the outer surface of the box cover (2).

2. The circuit board testing device in an electronic product according to claim 1, characterized in that: The test box (1) is provided with a circuit board detection mechanism, and the functional seat (3) is installed above the circuit board detection mechanism. The power receiving seat (5) is arranged along the path of the movable groove (4), and the positioning hole (6) is located on the side of the power receiving seat (5).

3. The circuit board testing device in an electronic product according to claim 1, characterized in that: A cavity is provided at the bottom of the movable seat (7), and a suspension rod (8) is vertically slidably mounted on the movable seat (7). The socket (9) is mounted at the bottom end of the suspension rod (8), and a first spring (10) is fixedly connected to the suspension rod (8). The elastic force generated by the first spring (10) can cause the socket (9) to rise.

4. The circuit board testing device in an electronic product according to claim 1, characterized in that: The top surface of the socket (9) is installed with an arc plate (11), and the arc plate (11) is provided with double inclined surfaces. The control structure comprises a rotating rod (12) rotatably installed in the middle of the movable seat (7), and a pressure plate (13) is installed at the bottom end of the rotating rod (12), and a knob (14) is installed at the top end of the rotating rod (12), and the pressure plate (13) is in contact with the arc plate (11).

5. The circuit board testing device in an electronic product according to claim 4, characterized in that: Positioning arms (15) are fixedly mounted on both sides of the knob (14), and a plug hole (16) is provided at the end of the positioning arm (15). The plug hole (16) can rotate with the positioning arm (15) to the top of the positioning hole (6). At this time, the pressure plate (13) presses the arc plate (11) downward, and the positioning arm (15) is fixed by a pin (17) that passes through the plug hole (16) and the positioning hole (6).

6. The circuit board testing device in an electronic product according to claim 1, characterized in that: The external board (18) is provided with two wiring sockets, and the two wiring sockets are respectively connected to two test pens (20) via cables (19), and the card holder (21) is installed on the surface of the function seat (3).

7. The circuit board testing device in an electronic product according to claim 1, characterized in that: The box cover (2) is provided with a limiting slide groove through a limiting plate (22), and the slide seat (23) is connected to the limiting slide groove. The magnetic strip (25) is vertically mounted on the surface of the slide seat (23), and the counterweight seat (27) is slidably mounted through the limiting seat (26).

8. The circuit board testing device in an electronic product according to claim 1, characterized in that: The counterweight seat (27) is provided with a notch, and a magnetic block (29) is rotatably installed in the notch through a central axis (28). A gear (30) is installed on the central axis (28), and a push plate (31) is slidably installed in the notch. A rack (32) is fixedly connected to the push plate (31) and meshes with the gear (30).

9. The circuit board testing device in an electronic product according to claim 8, characterized in that: A pressure rod (33) is fixedly connected to the push plate (31), and the pressure rod (33) is movably mounted on the counterweight seat (27). A second spring (34) is fixedly connected to the pressure rod (33).

10. A testing system for a circuit board testing device in an electronic product according to any one of claims 1 to 9, characterized in that: The test system includes: a test platform module, a power supply module, a signal excitation module, a measurement module, a data processing module, an automation control module, a diagnosis and analysis module, an interface module, a storage management module, a network communication module, and a safety protection module; The test platform module is located on the box cover (2) and is used to provide stable support for the electronic product; The power supply module provides the required power to the circuit board during the test; The signal excitation module is used to generate and send various test signals to the circuit board to test its response and function; The measuring module is used to collect various parameters of the circuit board response output, including voltage, current, frequency, and temperature; The data processing module is used to process and analyze the data collected by the measurement module and compare it with the preset standard parameters to determine the electrical performance of the circuit board; The automation control module controls the test process through software, including signal generation, data acquisition and result analysis, to achieve automated testing; The diagnostic analysis module automatically diagnoses faults and problems based on the test results and generates a fault analysis report; The interface module is used to provide a friendly graphical interface, which is convenient for operators to set test parameters, view real-time data and generate test reports; The storage management module is used to store test results, configuration files and fault reports; The network communication module is used to exchange data with other devices to achieve data integration and sharing; The safety protection module is used to provide electrical safety protection, such as overvoltage protection and short circuit protection.

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