CN217305252U - Semi-automatic circuit detection tool - Google Patents

Abstract

The utility model discloses a semi-automatic circuit detection tool relates to circuit test technical field, and it is low to solve artifical manual efficiency of software testing, and full-automatic test machine structure is complicated, with high costs technical problem. The device comprises a probe bracket assembly, a lifting assembly and a tray push-pull assembly; the probe bracket assembly is connected with the lifting assembly; the lifting assembly can drive the probe support assembly to reciprocate; the tray push-pull assembly can be used for placing a circuit board to be detected; the probe bracket assembly can be abutted to a test point on the circuit board, and circuit detection is carried out through electrification. The utility model discloses a to wait to detect the circuit board and fix on tray push-and-pull subassembly, push upper portion box with it and fix, start lifting unit, drive the motion of probe bracket component, make it and test point butt, carry out circular telegram test circuit with the probe bracket component, accomplish the back, the playback of probe bracket component, tray push-and-pull subassembly is popped out the upper portion box.

Description

Semi-automatic circuit detection tool

Technical Field

The utility model relates to a circuit test technical field especially relates to a semi-automatic circuit detection tool.

Background

In the production of electronic products, the essential circuit production testing steps are very critical, and the yield of the final products is directly influenced. The circuit on the circuit board is tested to ensure correct functions when the electronic product is applied, so that the situation that the circuit is short-circuited or broken is avoided, and the circuit board cannot be used.

The existing test methods generally have two types, one type is manual test, a probe is manually used for aligning a circuit test connection point to conduct, and then the test is carried out, so that the efficiency is low; the second is automatic test of machine, and then automatic test of machine is arranged in on the tool to the circuit, saves artifical lifting efficiency, but the machine structure itself is complicated expensive, and the cost of using the maintenance is higher, consequently, needs to provide a novel semi-automatic circuit detection tool.

In realizing the utility model discloses the in-process, utility model people discover to have following problem among the prior art at least:

the manual testing efficiency is low, and the full-automatic testing machine has a complex structure and high cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a semi-automatic circuit detection tool to the artifical manual efficiency of software testing who exists among the solution prior art is low, and full-automatic test machine structure is complicated, with high costs technical problem. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a semi-automatic circuit detection jig, which comprises a probe bracket component, a lifting component and a tray push-pull component; the probe bracket assembly is connected with the lifting assembly; the lifting assembly can drive the probe support assembly to reciprocate; the tray push-pull assembly can be used for placing a circuit board to be detected; the probe bracket assembly can be abutted to a test point on the circuit board, and circuit detection is carried out through electrification.

Preferably, the detection jig further comprises a bottom box body; the bottom box body is provided with a test starting switch, a test ending switch and a probe switch; the test starting switch and the test ending switch are electrically connected with the lifting assembly; the probe switch is electrically connected with the probe bracket component.

Preferably, the probe bracket assembly comprises a supporting plate, a probe fixing plate and a probe; the supporting plate and the probe fixing plate are fixedly connected; the probes are fixedly connected to the probe fixing plate and are arranged in an array.

Preferably, the lifting assembly comprises a bracket guide column and a cylinder; the bracket guide post is movably connected with the probe bracket component; the cylinder is fixedly connected with the probe bracket assembly.

Preferably, the number of the lifting assemblies is two, and the two lifting assemblies are symmetrically arranged on two sides of the bottom box body; each lifting assembly is provided with two bracket guide columns; one end of each of the two support guide pillars is fixedly connected through a guide pillar fixing rod to form a frame structure.

Preferably, the tray push-pull assembly comprises a circuit board tray, a tray slide rail and a slide rail base; the circuit board tray is movably connected with the slide rail base through the tray slide rail; the sliding rail base is fixedly connected to the bottom box body.

Preferably, the circuit board tray is sleeved on the tray guide post; the tray guide post is parallel to the tray slide rail; and the tray guide post is sleeved with a tray spring.

Preferably, the bottom of the circuit board tray is fixedly connected with a tray positioning magnet; the sensor fixed on the sliding rail base can sense the tray positioning magnet to transmit signals; the rear part of the circuit board tray is fixedly connected with a tray iron block; the tray iron block is matched with the electromagnet.

Preferably, the circuit board tray is provided with a positioning pin; the locating pin can carry out spacing fixed to the circuit board.

Preferably, the bottom box body is further provided with a VGA interface, a power supply interface, a Type-B interface and a compressed air interface.

Implement the utility model discloses a technical scheme among the above-mentioned technical scheme has following advantage or beneficial effect:

the utility model discloses a to wait to detect the circuit board and fix on tray push-and-pull subassembly, push upper portion box with it and fix, start lifting unit, drive the motion of probe bracket component, make it and test point butt, carry out circular telegram test circuit with the probe bracket component, accomplish the back, the playback of probe bracket component, tray push-and-pull subassembly is popped out the upper portion box.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, and in the drawings:

FIG. 1 is a perspective view of an embodiment of a semi-automatic circuit inspection fixture of the present invention;

fig. 2 is a schematic view of a tray push-pull assembly according to an embodiment of the semi-automatic circuit testing fixture of the present invention;

FIG. 3 is a front view of an embodiment of the semi-automatic circuit inspection fixture of the present invention;

fig. 4 is a rear view of the embodiment of the semi-automatic circuit testing fixture of the present invention.

In the figure: 1. a probe holder assembly; 11. a support plate; 12. a probe fixing plate; 13. a probe; 14. A support rail; 2. a lifting assembly; 21. a bracket guide post; 22. a cylinder; 23. a guide post fixing rod; 24. A limiting column; 3. a tray push-pull assembly; 31. a circuit board tray; 311. a tray positioning magnet; 312. A tray iron block; 313. positioning pins; 32. a tray slide rail; 33. a slide rail base; 331. a sensor; 34. a tray guide post; 341. a tray spring; 35. an electromagnet; 36. a handle; 37. rotating the lock catch; 38. a circuit board; 4. a bottom box body; 41. a test start switch; 42. a test end switch; 43. A probe switch; 44. a VGA interface; 45. a power interface; 46. a Type-B interface; 47. a compressed air interface; 5. an upper box body.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, various exemplary embodiments to be described below will refer to the accompanying drawings, which form a part hereof, and in which are described various exemplary embodiments that may be employed to implement the present invention. The same numbers in different drawings identify the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. It is to be understood that they are merely examples of processes, methods, apparatus, etc., consistent with certain aspects of the present disclosure, as detailed in the appended claims, and that other embodiments may be used or structural and functional modifications may be made to the embodiments set forth herein without departing from the scope and spirit of the present disclosure.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," and the like are used in the orientations and positional relationships illustrated in the accompanying drawings for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the elements so referred to must have a particular orientation, be constructed and operated in a particular orientation. The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The term "plurality" means two or more. The terms "coupled" and "connected" are to be construed broadly and may include, for example, fixed connections, removable connections, integral connections, mechanical connections, electrical connections, communicative connections, direct connections, indirect connections through an intermediary, communications between two elements, or the interaction of two elements. The term "and/or" includes any and all combinations of one or more of the associated listed items. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In order to explain the technical solution of the present invention, the following description is made by way of specific examples, and only the portions related to the embodiments of the present invention are shown.

The first embodiment is as follows:

as shown in fig. 1-4, the utility model provides a semi-automatic circuit detection tool, which comprises a probe bracket assembly 1, a lifting assembly 2 and a tray push-pull assembly 3; the probe bracket assembly 1 is connected with the lifting assembly 2; the lifting assembly 2 can drive the probe bracket assembly 1 to reciprocate; the tray push-pull component 3 can be used for placing a circuit board 38 to be detected; the probe holder assembly 1 can be brought into contact with a test point on the circuit board 38 to perform circuit testing by energization. Specifically, probe bracket component 1, lifting unit 2 and tray push-and-pull subassembly 3 all set up in upper portion box 5, and upper portion box 5 can protect probe bracket component 1, lifting unit 2 and tray push-and-pull subassembly 3. Tray push-and-pull subassembly 3 sets up in probe bracket assembly 1 below, can drive the motion of probe bracket assembly 1 after lifting unit 2 starts, makes probe 13 on the probe bracket assembly 1 and the test point butt of circuit board 38 on the tray push-and-pull subassembly 3, can carry out the circuit test after switching on probe 13. Detection tool passes through semi-automatization structural design, reduces manual operation, has reduced because of the emergence probability that manual operation leads to the misdetection, and the structure is reliable, convenient to use to through the design of matrix probe range, improved efficiency, the practicality is strong. The utility model discloses a to wait to detect circuit board 38 and fix on tray push-and-pull subassembly 3, push upper portion box 5 with it in and fixed, start lifting unit 2, drive probe bracket assembly 1 motion, make it and test point butt, carry out circular telegram test circuit with probe bracket assembly 1, accomplish the back, probe bracket assembly 1 playback, tray push-and-pull subassembly 3 is popped out upper portion box 5.

As an alternative embodiment, as shown in fig. 1 and 3, the detection fixture further includes a bottom box 4; the bottom box body 4 is provided with a test starting switch 41, a test finishing switch 42 and a probe switch 43; the test starting switch 41 and the test ending switch 42 are electrically connected with the lifting assembly 2; the probe switch 43 is electrically connected to the probe holder assembly 1. Specifically, a test start switch 41, a test end switch 42, and a probe switch 43 are provided at the front of the bottom case 4. After the test starting switch 41 is pressed down, the air cylinder 22 starts to work and can drive the probe bracket assembly 1 to move downwards; after the test end switch 42 is pressed, the air cylinder 22 can drive the probe bracket assembly 1 to reset, so that the air cylinder 22 is closed; when the probe switch 43 is pressed, the probe 13 is energized to conduct the probe 13 to a test point on the circuit board 38, thereby performing a circuit test.

As an alternative embodiment, as shown in fig. 1, the probe holder assembly 1 includes a support plate 11, a probe fixing plate 12, and a probe 13; the supporting plate 11 and the probe fixing plate 12 are fixedly connected; the plurality of probes 13 are fixedly connected to the probe fixing plate 12 and arranged in an array. Specifically, the probe bracket assembly 1 further comprises a bracket cross rod 14, and the bracket cross rod 14 is fixedly connected with support plates 11 fixed at two ends of a probe fixing plate 12 to form a frame structure, so that the stability and reliability of the structure are ensured; the array of probes 13 can correspond to test points on a circuit board 38 disposed in the upper housing 5.

As an alternative embodiment, as shown in fig. 1, the lifting assembly 2 includes a bracket guide post 21 and a cylinder 22; the bracket guide post 21 is movably connected with the probe bracket component 1; the air cylinder 22 is fixedly connected with the probe bracket assembly 1. Specifically, the support guide post 21 passes through a corresponding hole on the support plate 11 of the probe support assembly 1, the support guide post 21 is in pore fit with the support plate 11, and the support guide post 21 is fixedly connected with the support plate 11 through the cylinder 22 to drive the support plate 11 to slide on the support guide post 21. The cylinder 22 is preferably a bi-directional cylinder 22.

As an alternative embodiment, as shown in fig. 1, there are two lifting assemblies 2 symmetrically arranged on two sides of the bottom box 4; each lifting assembly 2 is provided with two bracket guide columns 21; one end of each of the two bracket guide pillars 21 is fixedly connected through a guide pillar fixing rod 23 to form a frame structure. Specifically, two symmetrical lifting unit 2 that set up can effectually guarantee to drive probe bracket assembly 1 and carry out reciprocating motion's stability. Every lifting unit 2 all has two support guide pillars 21, stability when guaranteeing probe bracket assembly 1 reciprocating motion, and spacing post 24 has been cup jointed in the upper end setting of two support guide pillars 21, restricts when upwards moving probe bracket assembly 1, and guide pillar dead lever 23 passes through the bolt fastening in the upper end of two support guide pillars 21 simultaneously.

As an alternative embodiment, as shown in fig. 1-2, the tray push-pull assembly 3 includes a circuit board tray 31, a tray slide rail 32, and a slide rail base 33; the circuit board tray 31 is movably connected with a slide rail base 33 through a tray slide rail 32; the slide rail base 33 is fixedly connected to the bottom box 4. Specifically, the tray slide rail 32 and the slide rail base 33 are matched with each other and movably connected, so that the circuit board tray 31 can be conveniently pushed and pulled, and the track route cannot be deviated when the circuit board tray 31 is pushed and pulled. The slide rail base 33 is fixedly connected to the bottom box 4, so that stability when the circuit board tray 31 is pushed or pulled is ensured. The tray push-pull component 3 is also provided with a handle 36, which is convenient for realizing the push-pull of the tray push-pull component 3.

As an alternative embodiment, as shown in fig. 1, the circuit board tray 31 is sleeved on the tray guide post 34; the tray guide posts 34 are parallel to the tray slide rails 32; the tray spring 341 is sleeved on the tray guide post 34. Specifically, tray guide post 34 is parallel to each other with tray slide rail 32, makes circuit board tray 31 can realize the reciprocating motion of a direction, has cup jointed tray spring 341 on the tray guide post 34, and the back of being convenient for electro-magnet 35 outage, tray spring 341 can prolong tray guide post 34 direction with circuit board tray 31 through the elasticity of self, pops out in upper portion box 5. Tray guide post 34 has two, all penetrates in the mounting hole that matches with it on the circuit board tray 31, guarantees the stability that circuit board tray 31 pushed or pulled out upper portion box 5, and two tray guide post 34 all fix the rear portion in upper portion box 5.

As an alternative embodiment, as shown in fig. 1-2, a tray positioning magnet 311 is fixedly connected to the bottom of the circuit board tray 31; the sensor 331 fixed on the slide rail base 33 can sense the tray positioning magnet 311 to perform signal transmission; the rear part of the circuit board tray 31 is fixedly connected with a tray iron block 312; the tray iron block 312 is fitted with the electromagnet 35. Specifically, in pushing upper portion box 5 with circuit board tray 31 in, tray location magnet 311 can be sensed to sensor 331 on the slide rail base 33, send circuit board tray 31's position signal, the tool receives behind the signal, start electromagnet 35, adsorb tray iron plate 312 at circuit board tray 31 rear portion, fix circuit board tray 31 in upper portion box 5, be convenient for carry out circuit test to circuit board 38, after circuit test, lifting unit 2 drives 1 playback of probe bracket component, electromagnet 35 cuts off the power supply, electromagnet 35 loses the adsorption affinity to tray iron plate 312, circuit board tray 31 is popped out. The electromagnet 35 is fixedly connected to the bottom case 4, is disposed at the rear portion in the upper case 5, and corresponds to the tray iron piece 312 at the rear portion of the circuit board tray 31. The sensor 331 is preferably a hall sensor 331.

As an alternative embodiment, as shown in fig. 1-2, the circuit board tray 31 is provided with positioning pins 313; the positioning pin 313 can perform limit fixing on the circuit board 38. Specifically, the positioning pins 313 are provided in a plurality of numbers, the positions of the positioning pins 313 correspond to the positions of the mounting holes on the circuit board 38, and the positioning pins 313 can penetrate into the mounting holes to prevent the circuit board 38 from displacing, so that the probes 13 can be aligned to the test points on the circuit board 38 after the probe holder assembly 1 descends. The size of the positioning pins 313 is matched with the size of the mounting holes, and the number and the setting positions of the positioning pins 313 are set according to actual requirements.

As an alternative embodiment, as shown in fig. 4, the bottom case 4 is further provided with a VGA interface 44, a power interface 45, a Type-B interface 46, and a compressed air interface 47. Specifically, the VGA interface 44, the power interface 45, the Type-B interface 46, and the compressed air interface 47 are provided at the rear of the bottom case 4. The Type-B interface 46 is used for data transmission and is connected with a communication interface of the upper computer software; the compressed air port 47 is connected to the cylinder 22, and compressed air is introduced into the cylinder 22 from the compressed air port 47.

The utility model discloses semi-automatic circuit detection tool's theory of operation is as shown in figure 1: the circuit board 38 is placed in the groove of the circuit board tray 31 and is correctly positioned through the positioning pin 313, the circuit board tray 31 is pushed into the upper box body 5 along the tray sliding rail 32 at the moment, the sensor 331 is excited by the tray positioning magnet 311 at the bottom of the circuit board tray 31, the electromagnet 35 is started after a starting position signal is acquired, and at the moment, the electromagnet 35 adsorbs and fixes the tray iron block 312 at the rear part of the tray, namely, the circuit board tray 31 is fixed. The test start switch 41 is pressed down, and the air cylinder 22 moves downwards to drive the probe bracket assembly 1 to move downwards, so that the needle point of the probe 13 is abutted to a test point on a circuit. The probe switch 43 is then pressed to perform a circuit test. After the test shows that the circuit board tray 31 passes, the test end switch 42 is pressed, the air cylinder 22 moves upwards to drive the probe bracket assembly 1 to move upwards, the electromagnet 35 is closed, and the circuit board tray 31 is pushed out through the elastic force of the tray spring 341.

When the semi-automatic circuit detection jig is not powered on for storage, the electromagnet 35 cannot work, and the circuit tray can be fixed in the upper box body 5 by using the rotary lock catch 37 on the tray push-pull assembly 3.

The embodiment is merely a specific example and does not indicate an implementation of the present invention.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the protection scope of the present invention.

Claims (10)

1. A semi-automatic circuit detection jig is characterized by comprising a probe bracket assembly (1), a lifting assembly (2) and a tray push-pull assembly (3); the probe bracket assembly (1) is connected with the lifting assembly (2); the lifting assembly (2) can drive the probe bracket assembly (1) to reciprocate; the tray push-pull assembly (3) can be used for placing a circuit board (38) to be detected; the probe bracket assembly (1) can be abutted against a test point on the circuit board (38) and is electrified for circuit detection.

2. A semi-automatic circuit detection tool according to claim 1, characterized in that the detection tool further comprises a bottom box (4); a test starting switch (41), a test ending switch (42) and a probe switch (43) are arranged on the bottom box body (4); the test starting switch (41) and the test ending switch (42) are electrically connected with the lifting assembly (2); the probe switch (43) is electrically connected with the probe bracket assembly (1).

3. The semi-automatic circuit detection tool of claim 1, wherein the probe bracket assembly (1) comprises a support plate (11), a probe fixing plate (12) and a probe (13); the supporting plate (11) and the probe fixing plate (12) are fixedly connected; the probes (13) are fixedly connected to the probe fixing plate (12) and are arranged in an array.

4. A semi-automatic circuit detection tool according to claim 2, characterized in that the lifting assembly (2) comprises a bracket guide post (21) and a cylinder (22); the bracket guide post (21) is movably connected with the probe bracket assembly (1); the air cylinder (22) is fixedly connected with the probe bracket assembly (1).

5. The semi-automatic circuit detection tool of claim 4, characterized in that, there are two lifting components (2) symmetrically arranged on two sides of the bottom box (4); each lifting assembly (2) is provided with two bracket guide columns (21); one ends of the two bracket guide columns (21) are fixedly connected through guide column fixing rods (23) to form a frame structure.

6. The semi-automatic circuit detection tool of claim 2, wherein the tray push-pull assembly (3) comprises a circuit board tray (31), a tray slide rail (32) and a slide rail base (33); the circuit board tray (31) is movably connected with the slide rail base (33) through the tray slide rail (32); the slide rail base (33) is fixedly connected to the bottom box body (4).

7. The semi-automatic circuit detection tool of claim 6, wherein the circuit board tray (31) is sleeved on a tray guide post (34); the tray guide posts (34) and the tray slide rails (32) are parallel to each other; and a tray spring (341) is sleeved on the tray guide column (34).

8. The semi-automatic circuit detection tool of claim 6, wherein a tray positioning magnet (311) is fixedly connected to the bottom of the circuit board tray (31); the sensor (331) fixed on the slide rail base (33) can sense the tray positioning magnet (311) to transmit signals; the rear part of the circuit board tray (31) is fixedly connected with a tray iron block (312); the tray iron block (312) is matched with the electromagnet (35).

9. The semi-automatic circuit detection tool of claim 6, wherein the circuit board tray (31) is provided with positioning pins (313); the positioning pin (313) can limit and fix the circuit board (38).

10. The semi-automatic circuit detection jig of claim 2, characterized in that the bottom box (4) is further provided with a VGA interface (44), a power interface (45), a Type-B interface (46) and a compressed air interface (47).

Images