Full-page test fixture for circuit board of electric vehicle

Abstract

The utility model discloses a full-page test fixture for an electric vehicle circuit board, which comprises a base provided with a connecting frame and a test board, and further comprises a pressing mechanism arranged on the connecting frame; a mounting groove is formed in the outer wall of the top of the base, two reset springs are arranged in the center of the inner wall of the mounting groove, the top ends of the reset springs are connected with the bottom of the testing plate, and two rows of probes distributed at equal intervals are arranged on the two sides of the inner wall of the mounting groove. The two sides of the outer wall of the top of the test board are provided with two rows of docking ports which are distributed at equal intervals, and the positions of the probes correspond to the positions of the docking ports. The full-page test fixture for the circuit board of the electric vehicle has the technical effects that the cutting board circuit board can be automatically tested, the pressing and fixing are stable, and the test efficiency is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to a circuit board technical field especially relates to a whole edition test fixture of electric motor car circuit board. BACKGROUND

[0002] Circuit board, also known as circuit board or printed circuit board, is a kind of substrate for connecting and supporting electronic components, and the whole edition test fixture of circuit board is a tool for comprehensive testing of circuit board to ensure the quality, performance and reliability of circuit board.

[0003] But the traditional whole edition test of electric motor car circuit board often adopts manual test, needs to check every point of circuit board one by one, needs to spend a lot of time and energy, and the test efficiency is low.

[0004] For example: circuit board is the basis of electronic equipment, and its function directly influences the operation of the whole equipment, manual test of circuit board needs one-to-one test, and in the case of mass production, the efficiency of manual detection cannot meet the production demand, and the efficiency is low. UTILITY MODEL CONTENTS

[0005] The utility model discloses a whole edition test fixture of electric motor car circuit board, and aims at solving the technical problem that the traditional whole edition test of electric motor car circuit board often adopts manual test, needs to check every point of circuit board one by one, needs to spend a lot of time and energy, and the test efficiency is low.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A whole edition test fixture of electric motor car circuit board, including base, be equipped with connecting frame and test board on the base, still include:

[0008] Pressing mechanism: the pressing mechanism is equipped on the connecting frame;

[0009] The top outer wall of the base is equipped with the mounting groove, the central position of the mounting groove inner wall is equipped with two reset springs, the top end of the reset spring is connected with the bottom of the test board, the both sides of the mounting groove inner wall are equipped with two rows of equidistance distribution's probe, the both sides of the test board top outer wall are equipped with two rows of equidistance distribution's docking interface, the position of the probe and the docking interface correspond.

[0010] In the scheme, the whole edition circuit board is placed between the pressing mechanism and the test board, the circuit board is aligned with the docking interface, the pressing mechanism is pressed and fixed, and then the reset spring is extruded, so that the test board contacts with the base, the probe in the base contacts with the circuit board through the docking interface, and then the circuit board is tested, and when all the points on the circuit board can be lighted, the test is completed, and the automatic test is higher in efficiency compared with manual test.

[0011] In a preferred scheme, the pressing mechanism comprises a mounting block arranged on one side outer wall of the connecting frame, a sleeve arranged on one side outer wall of the bottom of the mounting block, a moving rod arranged on the inside of the sleeve, a wrench connected to the top outer wall of the moving rod through a hinge, a connecting rod arranged on the bottom outer wall of the moving rod, two fixing rods arranged on one side of the top outer wall of the base, a connecting cylinder arranged on the circumferential outer wall of the fixing rod, and a pressing plate connected to the circumferential outer walls of the two connecting cylinders, wherein the top outer wall of the pressing plate is provided with connecting pads on both sides.

[0012] The above technical scheme has the technical effects that the pressing mechanism presses and fixes the circuit board, the wrench is turned 180°, the moving rod is moved in the sleeve by being pushed forward, the connecting rod is tightly pressed against the pressing plate and moves downward, the connecting cylinder moves downward on the fixing rod, the pressing plate is pressed and fixed to the circuit board, the pressing plate is stably fixed and in contact with the test board for testing, the connecting pads are in contact with the circuit board, the circuit board is protected while pressure is applied downward, and the fixing effect is better.

[0013] As can be seen from the above, the whole-page test fixture for the circuit board of an electric vehicle comprises a base, a connecting frame and a test board arranged on the base, and further comprises:

[0014] The pressing mechanism is arranged on the connecting frame.

[0015] The top outer wall of the base is provided with a mounting groove, two reset springs are arranged at the central position of the inner wall of the mounting groove, the top end of the reset spring is connected to the bottom of the test board, two rows of probes are arranged on both sides of the inner wall of the mounting groove, and two rows of docking interfaces are arranged on both sides of the top outer wall of the test board. The position of the probe corresponds to that of the docking interface. The whole-page test fixture for the circuit board of an electric vehicle has the technical effects that the whole-page circuit board can be automatically tested, the pressing and fixing are stable, and the testing efficiency is higher. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model provides a whole-page test fixture for the circuit board of an electric vehicle.

[0017] Figure 2 The utility model provides a whole-page test fixture for the circuit board of an electric vehicle.

[0018] Figure 3 The utility model provides a whole-page test fixture for the circuit board of an electric vehicle.

[0019] In the drawing: 1, base; 2, connecting frame; 3, test plate; 4, mounting block; 5, sleeve; 6, fixed rod; 7, connecting cylinder; 8, pressing plate; 9, supporting block; 10, power supply port; 11, docking port; 12, probe; 13, wrench; 14, moving rod; 15, connecting rod; 16, reset spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and indicated in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0021] The whole edition test jig for the electric vehicle circuit board disclosed in the utility model is mainly applied to the traditional whole edition test of the electric vehicle circuit board, and artificial test is often adopted, each point of the circuit board needs to be checked one by one, a lot of time and energy need to be consumed, and the test efficiency is low.

[0022] Referring to Figure 1 , Figure 2 and Figure 3 , a whole edition test jig for an electric vehicle circuit board comprises a base 1, the base 1 is provided with a connecting frame 2 and a test plate 3, and further comprises:

[0023] The pressing mechanism is arranged on the connecting frame 2.

[0024] An installation groove is formed in the top outer wall of the base 1, two reset springs 16 are arranged at the central position of the inner wall of the installation groove, the top end of the reset spring 16 is connected with the bottom of the test plate 3, two rows of probes 12 are arranged at the two sides of the inner wall of the installation groove in an equidistant distribution mode, and two rows of docking ports 11 are arranged at the two sides of the top outer wall of the test plate 3 in an equidistant distribution mode, the positions of the probes 12 and the docking ports 11 correspond to each other.

[0025] In the specific working process, the whole edition circuit board is placed between the pressing mechanism and the test plate 3, the test points on the circuit board are aligned with the docking ports 11, the pressing mechanism is pressed and fixed, the reset spring 16 is squeezed, the test plate 3 is in contact with the base 1, the probes 12 in the base 1 pass through the docking ports 11 and are in contact with the circuit board, and then the circuit board is tested, and the test is completed when all the test points on the circuit board can be lighted up.

[0026] The probe 12 is located inside the interface 11, and the probe 12 can be accurately aligned with each test point of the circuit board through the interface 11 and contact each other to test the circuit board, and the testing effect is better.

[0027] With reference to Figure 2 In a preferred embodiment, two power supply openings 10 are arranged on one side of the outer wall of the base 1, and the power supply openings 10 are used in cooperation with the test plate 3.

[0028] Specifically, one of the two power supply openings 10 is black and the other is red, and the power supply openings 10 are electrically connected with the internal circuit of the base 1, and the power supply is performed according to the corresponding color, the circuit board is tested by loading an electrical signal and monitoring the response, and the circuit board is fully lit to pass the test.

[0029] With reference to Figure 1 , Figure 2 and Figure 3 In a preferred embodiment, the pressing mechanism includes a mounting block 4 arranged on one side of the outer wall of the connecting frame 2, a sleeve 5 fixedly connected to the side of the outer wall close to the bottom of the mounting block 4, a moving rod 14 arranged in the inside of the sleeve 5, a wrench 13 hingedly connected to the top outer wall of the moving rod 14, a connecting rod 15 fixedly connected to the bottom outer wall of the moving rod 14, two fixed rods 6 fixedly connected to one side of the top outer wall of the base 1, a connecting barrel 7 slidably connected to the circumferential outer wall of the fixed rod 6, and a pressing plate 8 fixedly connected to the circumferential outer wall of the two connecting barrels 7. The two sides of the top outer wall of the pressing plate 8 are provided with connecting pads.

[0030] Specifically, the pressing mechanism presses and fixes the circuit board, the wrench 13 is turned over by 180°, the moving rod 14 in the sleeve 5 is moved forward and abuts, the connecting rod 15 abuts against the pressing plate 8 and moves downward, the connecting barrel 7 moves downward on the fixed rod 6, the pressing plate 8 is pressed and fixed to the circuit board, the fixation is stable, the pressing plate 8 is in contact with the test plate 3 for testing, the connecting pads are in contact with the circuit board, the circuit board is protected while the pressure is applied downward, after the test is completed, the wrench 13 is reset, the pressing plate 8 moves upward, and the next circuit board is tested.

[0031] The connecting pads correspond to the positions of the interface 11, and the pressing plate 8 is used in cooperation with the test plate 3. When the pressing plate 8 fixes the circuit board, the connecting pads correspond to the positions of the interface 11 to protect the test points on the circuit board, and the pressing is more fixed. The pressing plate 8 fixes the circuit board in contact with the test plate 3, which is more conducive to the overall testing of the circuit board.

[0032] It should be noted that the pressing plate 8 is arranged in a transparent structure, and the overall testing of the circuit board can be observed through the pressing plate 8, the visual effect is good, and the test result is more intuitive.

[0033] With reference toFigure 1 and Figure 2 In a preferred embodiment, the support block 9 is fixedly connected to one side of the top outer wall of the base 1, and is used in cooperation with the pressing plate 8 and the test plate 3.

[0034] Specifically, during the pressing of the pressing plate 8, the support block 9 is consistent with the height of the superposition of the circuit board and the test plate 3, so that the pressing plate 8 is pressed at the same time, and the support block 9 on one side is also limited, so that the fixed position is on the same plane, the whole pressing of the circuit board is more attached, and the test effect is more accurate.

[0035] Working principle: when in use, the circuit board is placed on the test plate 3, the test points on the circuit board correspond to the docking interfaces 11, the circuit board is located between the test plate 3 and the pressing plate 8, then the wrench 13 is pulled to flip 180°, the moving rod 14 moves downward in the sleeve 5, and then drives the connecting rod 15 to push the pressing plate 8 to move downward, at the same time, the connecting cylinder 7 slides downward on the fixed rod 6, so that the pressing plate 8 fixes the circuit board on the test plate 3, the test plate 3 extrudes the reset spring 16 to move into the mounting groove when the pressing plate 8 fixes the circuit board, so that the probe 12 in the base 1 contacts the circuit board through the docking interface 11, finally, the two power supply ports 10 are powered on, the whole board of the circuit board is tested, and the test is passed when all the points are lit.

[0036] The above is only a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto. The replacement can be a partial structure, device, method step replacement, or a complete technical solution. According to the technical solution and the utility model concept of the present application, equivalent replacement or change should be covered in the protection scope of the present application.

Claims

1. An aligning test fixture for an electric vehicle wiring board, comprising a base (1), a connecting frame (2) and a test plate (3) arranged on the base (1), characterized in that, Also include: Pressing mechanism: the pressing mechanism is equipped on the connecting frame (2); The top outer wall of the base (1) is provided with a mounting groove, the inner wall of the mounting groove is provided with two reset springs (16) at the central position, the top end of the reset spring (16) is connected with the bottom of the test plate (3), the inner wall of the mounting groove is provided with two rows of probes (12) distributed at equal distance on both sides, the top outer wall of the test plate (3) is provided with two rows of docking interfaces (11) distributed at equal distance on both sides, the position of the probe (12) corresponds to the position of the docking interface (11).

2. The test fixture of claim 1, wherein, The probe (12) is located inside the docking interface (11).

3. The test fixture of claim 2, wherein the plurality of test pins are arranged in a plurality of rows and columns. The outer wall of one side of the base (1) is provided with two power supply ports (10), which are used in cooperation with the test plate (3).

4. The test fixture of claim 1, wherein, The pressing mechanism includes a mounting block (4) provided on one side of the connecting frame (2), a sleeve (5) provided on one side of the mounting block (4) close to the bottom, a moving rod (14) provided inside the sleeve (5), a wrench (13) connected to the top outer wall of the moving rod (14) through a hinge, and a connecting rod (15) provided on the bottom outer wall of the moving rod (14).

5. The test fixture of claim 4, wherein the plurality of test pins are arranged in a plurality of rows and columns. One side of the top outer wall of the base (1) is provided with two fixed rods (6), the circumferential outer wall of the fixed rod (6) is provided with a connecting cylinder (7), the circumferential outer wall of the two connecting cylinders (7) is connected with the same pressing plate (8), the top outer wall of the pressing plate (8) is provided with a connecting pad on both sides.

6. The test fixture of claim 5, wherein the plurality of test pins are arranged in a plurality of rows and columns. The connecting pad corresponds to the position of the docking interface (11), and the pressing plate (8) is used in cooperation with the test plate (3).

7. The test fixture of claim 6, wherein the plurality of test pins are arranged in a plurality of rows and columns. One side of the top outer wall of the base (1) is provided with a support block (9), which is used in cooperation with the pressing plate (8) and the test plate (3) respectively.

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