CN215931969U

CN215931969U - Device applied to automatic contraction of flying probe tester during power failure

Info

Publication number: CN215931969U
Application number: CN202121991209.0U
Authority: CN
Inventors: 王鑫星
Original assignee: Nanjing Lasd New Material Technology Co ltd
Current assignee: Nanjing Lasd New Material Technology Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-01
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a device applied to automatic retraction of a probe of a flying probe tester when the probe is powered off, and relates to the technical field of flying probe testing. In the utility model, the electromagnet in the shrinkage component is electrified to attract the iron core, so that the probe normally works, when the electromagnet is powered off, the electromagnet does not attract the iron core any more, and at the moment, the probe is taken into the shell under the action of the reset spring, so that the probe is prevented from damaging the test circuit board and the probe.

Description

Device applied to automatic contraction of flying probe tester during power failure

Technical Field

The utility model relates to the technical field of flying probe testing, in particular to a device which is applied to automatic contraction of a flying probe tester when a probe is powered off.

Background

With the rapid development of electronic products, the PCB becomes an indispensable part of the electronic products, and before the PCB is used, a circuit on-off test is performed to test the on-off of each circuit of the PCB.

With more and more power consumption equipment, especially in hot summer, the outage suddenly is also very frequent thing, and when present flying probe machine was cut off the power supply suddenly in the operation in-process, the probe can not shrink automatically, if the probe just is in the through-hole, can damage test circuit board and probe itself in the Z axle whereabouts in-process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of the prior art, and provides a device for automatically contracting a probe of a flying probe tester when the probe is powered off.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a device applied to automatic retraction of a probe of a flying probe tester during power failure comprises a workbench, a circuit board arranged on the workbench and a flying probe machine, wherein a plurality of probes for detecting the circuit board are arranged at the bottom of the flying probe machine, and one end of each probe, which is far away from the circuit board, is connected with a retraction assembly;

shrink subassembly includes the shell, slides and sets up in the Contraband type balladeur train of shell and sets up in the probe and keep away from the mount pad of circuit board one end, the mount pad is connected with the open end of Contraband type balladeur train, the inside deflector that is used for Contraband type balladeur train gliding that is provided with of shell, the deflector is kept away from one side of mount pad and is embedded to be equipped with the electro-magnet, be provided with the iron core with the electro-magnet actuation in the Contraband type balladeur train, be provided with reset spring between mount pad and the shell inner wall.

Further, the upper surface and the lower surface of the Contraband type carriage far away from one end of the mounting seat are both rotatably provided with rollers, and the upper wall and the lower wall of the inner wall of the shell are respectively provided with a sliding rail for sliding the rollers.

Compared with the prior art, the utility model has the following beneficial effects:

in the utility model, the electromagnet in the shrinkage component is electrified to attract the iron core, so that the probe normally works, when the electromagnet is powered off, the electromagnet does not attract the iron core any more, and at the moment, the probe is taken into the shell under the action of the reset spring, so that the probe is prevented from damaging the test circuit board and the probe.

Drawings

FIG. 1 is a schematic structural diagram of an apparatus for automatically retracting a probe of a flying probe tester when the probe is powered off according to the present invention;

FIG. 2 is a schematic diagram of an internal structure of a retracting component of an apparatus for automatically retracting a probe of a flying probe tester when a power failure occurs according to the present invention;

fig. 3 is a limit position diagram of the middle probe shrinkage of the device applied to the automatic shrinkage of the probe of the flying probe testing machine when the power is off.

In the figure: 1. a work table; 2. a circuit board; 3. a flying needle machine; 4. a probe; 41. a mounting seat; 5. a retraction assembly; 51. a housing; 52. an Contraband type carriage; 53. a guide plate; 54. an electromagnet; 55. and (3) an iron core.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a device for automatically retracting a probe of a flying probe tester when the probe is powered off comprises a workbench 1, a circuit board 2 arranged on the workbench 1 and a flying probe machine 3, wherein a plurality of probes 4 for detecting the circuit board 2 are arranged at the bottom of the flying probe machine 3, and one end of each probe 4, which is far away from the circuit board 2, is connected with a retracting component 5;

the contracting assembly 5 comprises a shell 51, an Contraband type carriage 52 arranged on the shell 51 in a sliding manner and a mounting seat 41 arranged at one end of the probe 4 far away from the circuit board 2, wherein the mounting seat 41 is connected with the open end of the Contraband type carriage 52, a guide plate 53 used for the Contraband type carriage 52 to slide is arranged in the shell 51, an electromagnet 54 is embedded at one side of the guide plate 53 far away from the mounting seat 41, an iron core 55 attracted with the electromagnet 54 is arranged in the Contraband type carriage 52, a return spring is arranged between the mounting seat 41 and the inner wall of the shell 51, by energizing the electromagnet 54 in the retraction assembly 5, the attraction iron core 55 is energized, so that the probe 4 works normally, when the electromagnet 54 is powered off, the electromagnet 54 no longer attracts the iron core 55, and at this time, under the action of the return spring, the probe 4 can be taken into the shell 51, so that the probe 4 is prevented from damaging the test circuit board and the probe 4, wherein the electromagnet 54 is electrically connected with an external power supply device of the flying probe machine 3.

Further, the upper surface and the lower surface of the end of the Contraband type carriage 52 away from the mounting seat 41 are both rotatably provided with rollers, and the upper wall and the lower wall of the inner wall of the housing 51 are respectively provided with a slide rail for the sliding of the rollers.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The device is characterized by comprising a workbench (1), a circuit board (2) arranged on the workbench (1) and a flying probe machine (3), wherein a plurality of probes (4) used for detecting the circuit board (2) are arranged at the bottom of the flying probe machine (3), and one end, far away from the circuit board (2), of each probe (4) is connected with a contraction component (5);

shrink subassembly (5) include shell (51), slide and set up in Contraband type balladeur train (52) of shell (51) and set up in mount pad (41) of keeping away from circuit board (2) one end in probe (4), mount pad (41) are connected with the open end of Contraband type balladeur train (52), shell (51) inside is provided with and is used for Contraband type balladeur train (52) gliding deflector (53), one side that mount pad (41) were kept away from in deflector (53) is embedded to be equipped with electro-magnet (54), be provided with in Contraband type balladeur train (52) with iron core (55) of electro-magnet (54) actuation, be provided with reset spring between mount pad (41) and shell (51) inner wall.

2. The device for automatically retracting the probe of the flying probe testing machine in the power failure as claimed in claim 1, wherein the Contraband type carriage (52) is rotatably provided with rollers on the upper surface and the lower surface of one end away from the mounting seat (41), and the upper wall and the lower wall of the inner wall of the housing (51) are respectively provided with a slide rail for the rollers to slide.