Fault detection tool for PCBA (printed circuit board assembly) main board of traveling data recorder

Abstract

The utility model discloses a traveling data recorder PCBA mainboard fault detection tool, which comprises a detector body, a base, a traveling data recorder bottom box and a traveling data recorder top cover, a PCBA board is fixed in the traveling data recorder bottom box, a detection table is arranged above the base, and the PCBA board is fixed on the detection table. The two sides of the detection bench are provided with spring clamps for pressing the bottom box of the traveling data recorder. According to the utility model, through the arrangement of the spring clip and the support frame, after the bottom box and the top cover of the traveling data recorder are detached, when the PCBA board is detected, the PCBA board can be detected in a state that the PCBA board is connected with the bottom box and the top cover, the bottom box is positioned in the detection table, the top cover is limited on one side of the support frame, and when a part of lines of the top cover are connected with a circuit board through an FPC (Flexible Printed Circuit), the PCBA board can be detected. According to the mode, the circuit board does not need to be completely detached, circuit detection of the PCBA board can be conveniently carried out under the condition that the circuit is protected, the circuit can be protected, and the detection efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of driving recorder maintenance equipment, in particular to a driving recorder PCBA mainboard fault detection tool. Background Art

[0002] When inspecting a driving recorder, the screws of the bottom cover and the top cover of the driving recorder are usually removed, the circuit board is removed from the casing, and then the circuit board is tested. This method requires disassembly of the circuit board. When some circuits of the top cover are connected to the circuit board through the FPC soft board, this method requires the FPC soft board and the hard circuit board to be completely removed from the casing, which is not convenient for detection.

[0003] A vehicle driving recorder assembly detection fixture is disclosed in the Chinese patent application publication number CN106996992A. It belongs to the technical field of vehicle driving recorder assembly detection fixtures. Its main features are: the fixed guide plate and the probe seat form a whole, and are arranged at the rear end of the base plate in parallel with the arc vertical plate and the protractor; the lower part of one side end of the support plate is installed on the base plate through a positioning rod, the upper part of one side end is installed with a horizontal pressure elbow clamp, the rear end is installed with a thrust plate, and the other side end is installed with a handle; four support blocks are fixed on the upper surface of the support plate; the lower surface of the slide plate is fixedly connected to the slider, the upper surface is provided with four positioning blocks, and the rear end is provided with a slide rod; the rear top of the positioning rod is provided with an indicator needle. It has the characteristics of easy operation, controllable tilting angle, improved production efficiency and complete replacement of manual use of wiring harness docking product connectors, and is mainly used for the selection of detection in the inspection process of commercial vehicle vehicle driving recorder assemblies.

[0004] The driving recorder detection tool is provided with a tipping structure to facilitate the maintenance of the recorder. However, when the detection tool detects the circuit board, the circuit board still needs to be removed from the casing. The above-mentioned problem exists that when part of the circuit of the top cover is connected to the circuit board through the FPC soft board, this detection method is not convenient enough. Utility Model Content

[0005] The utility model aims to provide a driving recorder PCBA mainboard fault detection tooling to solve the problem proposed in the background art that when part of the circuit of the top cover is connected to the circuit board through the FPC soft board, the FPC soft board and the hard circuit board are all detached from the shell, making the detection inconvenient.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PCBA mainboard fault detection tool for a driving recorder, comprising a detector body, a base, a driving recorder bottom box and a driving recorder top cover, a PCBA board is fixed in the driving recorder bottom box, a detection platform is arranged above the base, spring clips for pressing the driving recorder bottom box are arranged on both sides of the detection platform, a limiting structure for clamping the side wall of the driving recorder bottom box is installed on the inner wall of the detection platform, and a support structure for limiting the driving recorder top cover is installed at one end of the detection platform;

[0007] The support structure includes a support frame, a driving structure for driving the support frame to rotate is installed on one side of the detection platform, both sides of the support frame are rotatably connected with limit pressure blocks through damping shafts, and the two limit pressure blocks are respectively pressed on both sides of the top cover of the driving recorder.

[0008] Preferably, the driving structure includes a rotary motor, fixed blocks are welded on both sides of the detection platform, both sides of the support frame are rotatably connected to the two fixed blocks respectively, and the output end of the rotary motor passes through one side of the support frame and is fixedly connected to the rotating shaft of the support frame.

[0009] Preferably, the support frame includes side panels and cross beams, two side panels and two cross beams are provided, two ends of the cross beam are respectively fixedly connected to the two side panels, and a gap is provided between the two cross beams for inserting the middle part of the top cover of the driving recorder.

[0010] Preferably, the limiting structure includes a limiting plate and a push rod, the limiting plate is fixed at one end of the push rod, a sliding groove is opened on the inner wall of the detection platform, the push rod is slidably connected in the sliding groove, a limiting spring is fixed in the sliding groove, and one end of the limiting spring is fixedly connected to the push rod.

[0011] Preferably, the limiting plate is arranged in an arc shape, and the limiting structure is provided in a plurality of groups.

[0012] Preferably, the spring clamp includes a fixed seat and a chuck, the chuck is rotatably connected in the fixed seat, the outer wall of the chuck shaft is sleeved with a torsion spring, a hand pressure plate is fixed to one end of the chuck, a pressure rod and an installation structure for adjusting the position of the pressure rod are provided at the other end of the chuck, and a rubber pressure head is glued to the bottom end of the pressure rod.

[0013] Preferably, the mounting structure includes a locking nut, and both ends of the chuck are provided with adjustment grooves for the pressure rod to pass through, the locking nut is threadedly connected to the outer wall of the pressure rod, and two locking nuts are provided on each pressure rod, and the chuck is located between the two locking nuts.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model provides a spring clip and a support frame, so that after the bottom box and the top cover of the driving recorder are disassembled, when the PCBA board is tested, the PCBA board can be tested in a state of being connected to the bottom box and the top cover, the bottom box is positioned in the test bench, and the top cover is limited on one side of the support frame. When part of the circuit of the top cover is connected to the circuit board through the FPC soft board, this method does not need to completely disassemble the circuit board, and can facilitate the circuit testing of the PCBA board while protecting the circuit, which can not only protect the circuit but also improve the testing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a position diagram of the driving recorder bottom box of the utility model when it is located in the testing platform;

[0017] Figure 2 It is an axonometric drawing of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the spring clip of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the top rod of the utility model.

[0020] In the figure: 1. detector body; 2. base; 3. driving recorder bottom box; 4. driving recorder top cover; 5. PCBA board; 6. testing table; 7. spring clip; 8. limiting structure; 9. supporting structure; 901. supporting frame; 902. limiting pressure block; 903. rotating motor; 904. fixing block; 9011. side plate; 9012. crossbeam; 9013. air avoidance groove; 801. limiting plate; 802. ejector rod; 803. slide groove; 804. limiting spring; 701. fixing seat; 702. chuck; 703. torsion spring; 704. hand pressure plate; 705. rubber pressure head; 706. locking nut; 707. adjustment groove; 708. pressure rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4The utility model provides a technical solution: a PCBA mainboard fault detection tool for a driving recorder, comprising a detector body 1, a base 2, a driving recorder bottom box 3 and a driving recorder top cover 4, a PCBA board 5 is fixed in the driving recorder bottom box 3, a detection platform 6 is arranged above the base 2, spring clips 7 for pressing the driving recorder bottom box 3 are arranged on both sides of the detection platform 6, a limiting structure 8 for clamping the side wall of the driving recorder bottom box 3 is installed on the inner wall of the detection platform 6, and a support structure 9 for limiting the driving recorder top cover 4 is installed at one end of the detection platform 6;

[0023] The driving recorder bottom box 3 is fixed by providing a limiting structure 8 , and the supporting structure 9 is used to limit the driving recorder top cover 4 , so as to facilitate the circuit test of the PCBA board 5 fixed in the driving recorder bottom box 3 .

[0024] The support structure 9 includes a support frame 901, and a driving structure for driving the support frame 901 to rotate is installed on one side of the detection platform 6. Both sides of the support frame 901 are rotatably connected to limit pressure blocks 902 through damping shafts, and the two limit pressure blocks 902 are respectively pressed on both sides of the driving recorder top cover 4.

[0025] After the rotating motor 903 is driven, the support frame 901 rotates, and the tilt angle of the support frame 901 can be adjusted in this way; by setting the limit pressing block 902, when the driving recorder top cover 4 is placed on one side of the support frame 901, the limit pressing block 902 is manually rotated so that the limit pressing block 902 presses the driving recorder top cover 4 to one side of the support frame 901 to achieve the limit. Figure 1 shown.

[0026] The driving structure includes a rotating motor 903, and fixed blocks 904 are welded on both sides of the detection platform 6. The two sides of the support frame 901 are rotatably connected to the two fixed blocks 904 respectively, and the output end of the rotating motor 903 passes through one side of the support frame 901 and is fixedly connected to the rotating shaft of the support frame 901.

[0027] The support frame 901 includes a side plate 9011 and a cross beam 9012. Two side plates 9011 and two cross beams 9012 are provided. The two ends of the cross beam 9012 are fixedly connected to the two side plates 9011 respectively. An air avoidance groove 9013 is provided between the two cross beams 9012 for inserting the middle part of the driving recorder top cover 4.

[0028] When the upper surface of the driving recorder top cover 4 is configured to be convex, the provision of the air-avoiding groove 9013 will not affect the pressing of the driving recorder top cover 4 and the support frame 901 .

[0029] The limiting structure 8 includes a limiting plate 801 and a push rod 802, the limiting plate 801 is fixed to one end of the push rod 802, a sliding groove 803 is opened on the inner wall of the detection platform 6, the push rod 802 is slidably connected in the sliding groove 803, a limiting spring 804 is fixed in the sliding groove 803, and one end of the limiting spring 804 is fixedly connected to the push rod 802.

[0030] When the tachograph bottom box 3 is placed on the testing platform 6 , the tachograph top cover 4 presses the tachograph bottom box 3 tightly under the elasticity of the limit spring 804 .

[0031] The limiting plate 801 is arranged in an arc shape, and the limiting structure 8 is arranged in several groups.

[0032] The spring clamp 7 includes a fixed seat 701 and a chuck 702, the chuck 702 is rotatably connected in the fixed seat 701, the outer wall of the rotating shaft of the chuck 702 is sleeved with a torsion spring 703, one end of the chuck 702 is fixed with a hand pressure plate 704, the other end of the chuck 702 is provided with a pressure rod 708 and a mounting structure for adjusting the position of the pressure rod 708, and the bottom end of the pressure rod 708 is glued with a rubber pressure head 705.

[0033] The hand pressure plate 704 is pressed to lift the clamp 702 , and after the driving recorder bottom box 3 is placed on the testing platform 6 , the hand pressure plate 704 is released, and the clamp 702 presses the two sides of the driving recorder bottom box 3 under the action of the torsion spring 703 .

[0034] The mounting structure includes a locking nut 706, and both ends of the clamp 702 are provided with adjustment slots 707 for a pressure rod 708 to penetrate. The locking nut 706 is threadedly connected to the outer wall of the pressure rod 708. Two locking nuts 706 are provided on each pressure rod 708, and the clamp 702 is located between the two locking nuts 706. The pressure rod 708 is used to press the inner cavities on both sides of the driving recorder bottom box 3.

[0035] When in use, press the hand pressure plate 704 to lift the clamp 702, place the driving recorder bottom box 3 on the test bench 6, release the hand pressure plate 704, and under the action of the torsion spring 703, the clamp 702 presses the two sides of the driving recorder bottom box 3, and the pressure rod 708 presses the inner cavity on both sides of the driving recorder bottom box 3; after placing the driving recorder top cover 4 on one side of the support frame 901, manually rotate the limit pressing block 902 so that the limit pressing block 902 presses the driving recorder top cover 4 on one side of the support frame 901 to achieve limit, such as Figure 1 As shown, at this time, the detector body 1 is used to detect the circuit of the PCBA board 5 in the driving recorder bottom box 3.

[0036] Compared with the traditional driving recorder circuit board detection tooling, when some circuits in the recorder top cover are connected to the circuit board through the FPC soft board, the device does not need to completely disassemble the circuit board. It can facilitate the circuit detection of the PCBA board 5 while protecting the circuit, which can not only protect the circuit but also improve the detection efficiency.

[0037] 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 driving recorder PCBA mainboard fault detection tool, characterized by: The invention comprises a detector body (1), a base (2), a driving recorder bottom box (3) and a driving recorder top cover (4); a PCBA board (5) is fixed inside the driving recorder bottom box (3); a detection platform (6) is arranged above the base (2); spring clips (7) for pressing the driving recorder bottom box (3) are arranged on both sides of the detection platform (6); a limiting structure (8) for clamping the side wall of the driving recorder bottom box (3) is installed on the inner wall of the detection platform (6); and a support structure (9) for limiting the driving recorder top cover (4) is installed at one end of the detection platform (6); The support structure (9) comprises a support frame (901), a driving structure for driving the support frame (901) to rotate is installed on one side of the detection platform (6), both sides of the support frame (901) are rotatably connected to limit pressure blocks (902) via damping shafts, and the two limit pressure blocks (902) are respectively pressed against the two sides of the driving recorder top cover (4).

2. A driving recorder PCBA mainboard fault detection tool according to claim 1, characterized in that: The driving structure comprises a rotary motor (903), fixed blocks (904) are welded on both sides of the detection platform (6), the two sides of the support frame (901) are respectively rotatably connected to the two fixed blocks (904), and the output end of the rotary motor (903) passes through one side of the support frame (901) and is fixedly connected to the rotating shaft of the support frame (901).

3. A driving recorder PCBA mainboard fault detection tool according to claim 2, characterized in that: The support frame (901) comprises a side plate (9011) and a cross beam (9012), two of each of the side plates (9011) and the cross beam (9012) are provided, two ends of the cross beam (9012) are respectively fixedly connected to the two side plates (9011), and a clearance groove (9013) for inserting the middle part of the driving recorder top cover (4) is provided between the two cross beams (9012).

4. A driving recorder PCBA mainboard fault detection tool according to claim 3, characterized in that: The limiting structure (8) comprises a limiting plate (801) and a push rod (802); the limiting plate (801) is fixed to one end of the push rod (802); a sliding groove (803) is provided on the inner wall of the detection platform (6); the push rod (802) is slidably connected in the sliding groove (803); a limiting spring (804) is fixed in the sliding groove (803); one end of the limiting spring (804) is fixedly connected to the push rod (802).

5. A driving recorder PCBA mainboard fault detection tool according to claim 4, characterized in that: The limiting plate (801) is arranged in an arc shape, and the limiting structure (8) is provided in a plurality of groups.

6. A driving recorder PCBA mainboard fault detection tool according to claim 5, characterized in that: The spring clamp (7) comprises a fixing seat (701) and a clamp (702), wherein the clamp (702) is rotatably connected in the fixing seat (701), a torsion spring (703) is sleeved on the outer wall of the rotating shaft of the clamp (702), a hand pressure plate (704) is fixed to one end of the clamp (702), a pressure rod (708) and a mounting structure for adjusting the position of the pressure rod (708) are arranged at the other end of the clamp (702), and a rubber pressure head (705) is glued to the bottom end of the pressure rod (708).

7. A driving recorder PCBA mainboard fault detection tool according to claim 6, characterized in that: The mounting structure comprises a locking nut (706), and both ends of the chuck (702) are provided with adjustment grooves (707) for the pressure rod (708) to pass through. The locking nut (706) is threadedly connected to the outer wall of the pressure rod (708), and two locking nuts (706) are provided on each pressure rod (708), and the chuck (702) is located between the two locking nuts (706).

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