CN210834993U

CN210834993U - PCB module test fixture

Info

Publication number: CN210834993U
Application number: CN201921547399.XU
Authority: CN
Inventors: 张启林
Original assignee: Shenzhen Anzewi Technology Co ltd
Current assignee: Shenzhen Anzewi Technology Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-23
Anticipated expiration: 2029-09-17

Abstract

The utility model relates to a PCB module test fixture, which comprises a test frame, a signal input main board, a detection main board and a positioning device, wherein the signal input main board and the detection main board are detachably arranged below the test frame, the positioning device comprises a driving piece, a first test piece, a second test piece, a positioning shaft and a test mounting piece, the second test piece and the test mounting piece are respectively arranged on the positioning shaft in a sliding way, the test mounting piece is provided with a plurality of test slots for placing PCB modules, the first test piece is provided with a first test joint, the second test piece is provided with a second test joint, the driving shaft of the driving piece is connected with the second test piece, the driving piece drives the second test piece to move and the test mounting piece to move along the positioning shaft, so that the first test joint and the second test joint are respectively electrically connected with the PCB modules of the test slots, the first test joint is electrically connected with, the second test connector is electrically connected with the detection mainboard. The PCB module test fixture is simple in structure, high in detection efficiency and capable of avoiding damage to the main board.

Description

PCB module test fixture

Technical Field

The utility model relates to a PCB module test technical field especially relates to a PCB module test fixture.

Background

Before the PCB module is put into use, the function of the PCB module needs to be tested through test software. In the traditional mainboard test method, the mainboard power interface line needs to be frequently and manually plugged and unplugged, and the destructive hidden danger to the computer mainboard is inevitably brought.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a PCB module testing jig for solving the problem that the current motherboard testing method is easy to damage the motherboard.

A PCB module test fixture comprises a test frame, a signal input main board, a detection main board and a positioning device, wherein the signal input main board and the detection main board are detachably arranged below the test frame, the positioning device is arranged above the test frame, the positioning device comprises a driving piece, a first test piece, a second test piece, a positioning shaft and a test mounting piece,

the driving piece, the first test piece and the positioning shaft are respectively and fixedly arranged on the test frame, the second test piece and the test mounting piece are respectively and slidably arranged on the positioning shaft, the test mounting piece is positioned between the first test piece and the second test piece,

the test installation part is provided with a plurality of test slots for placing the PCB modules, the first test piece is provided with a first test joint, the second test piece is provided with a second test joint, the driving shaft of the driving piece is connected with the second test piece, the driving piece drives the second test piece to move and the test installation part to move along the positioning shaft, so that the first test joint and the second test joint are respectively and electrically connected with the PCB modules installed in the test slots,

the first test connector is electrically connected with the signal input mainboard, and the second test connector is electrically connected with the detection mainboard.

In one embodiment, the test rack comprises a parameter display screen, wherein the parameter display screen is arranged on the test rack and is electrically connected with the detection main board.

In one embodiment, the test slots are linearly spaced.

In one embodiment, a first insulating layer is provided on a side of the first test piece facing the test mounting member.

In one embodiment, a side of the second test piece facing the test mounting member is provided with a second insulating layer.

In one embodiment, a third insulating layer is disposed on the test mounting member, and the third insulating layer defines the test slots.

Above-mentioned PCB module test fixture, through the signal input mainboard that can dismantle the setting and detect the mainboard to remove and test the installed part and remove along the location axle at driving piece drive second test piece, so that first test connector and second test connector are connected with the PCB module electricity of installing at the test groove respectively, have changed the contact mode that detects the PCB module, avoid the problem that the mainboard that continuous plug leads to damages on the power interface of test mainboard. And simple structure sets up a plurality of detection grooves, can test a plurality of PCB modules simultaneously, and detection efficiency is high.

Drawings

FIG. 1 is a side view of one embodiment of a PCB module test fixture;

FIG. 2 is a top view of one embodiment of a PCB module test fixture.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

As shown in fig. 1 and 2, a PCB module testing fixture comprises a testing jig 1, a signal input main board 2, a detection main board 3 and a positioning device 4, wherein the signal input main board 2 and the detection main board 3 are detachably arranged below the testing jig 1, and the positioning device 4 is arranged above the testing jig 1. The specific structure and circuit connection relationship between the signal input main board 2 and the detection main board 3 belong to the prior art, and are not described herein again.

The positioning device 4 comprises a drive member 41, a first test piece 42, a second test piece 43, a positioning shaft 44 and a test mounting member 45. The driving part 41, the first testing piece 42 and the positioning shaft 44 are respectively and fixedly arranged on the testing jig 1, the second testing piece 43 and the testing installation part 45 are respectively and slidably arranged on the positioning shaft 44, and the testing installation part 45 is positioned between the first testing piece 42 and the second testing piece 43.

The test mounting part 45 is provided with a plurality of test slots 46 for placing PCB modules, the first test piece 42 is provided with a first test connector 47, the second test piece 43 is provided with a second test connector 48, the driving shaft of the driving part 41 is connected with the second test piece 43, and the driving part 41 drives the second test piece 43 and the test mounting part 45 to move along the positioning shaft 44, so that the first test connector 47 and the second test connector 48 are respectively electrically connected with the PCB modules installed in the test slots 46. The first test connector 47 is electrically connected to the signal input main board 2, and the second test connector 48 is electrically connected to the test main board 3. Wherein, location axle 44 has two, and location axle 44 all sets up the spring between first test piece 42 and test installation spare 45, and between first test piece 42 and test jig 1.

For example, the driving member 41 may be an air cylinder, and the driving shaft 1 of the air cylinder drives the second test piece 43 to move. For another example, the driving member 41 includes a handle 414, a connecting clamp 412 and a connecting shaft 413, one end of the connecting shaft 413 is connected to a side of the second testing element 43 opposite to the testing mounting element 45 by a bolt, and the other end of the connecting shaft 413 is pivoted to one end of the connecting clamp 412. The connecting clip 412 includes two trapezoidal clamping pieces, which form a receiving slot in the middle and have threaded holes at both ends. The other end of the attachment clip 412 is bolted to the middle of the handle 414. Preferably, the handle has an "L" shaped cross-section, and the other end of the attachment clip 412 is bolted to the turn of the handle 414. One end of the handle is connected with the test jig 1 through a bolt. The handle is linked with the connecting shaft 413 through the connecting clamp 412, and the connecting shaft 413 makes linear reciprocating motion in the horizontal direction, so that the first test connector 47 and the second test connector 48 are respectively electrically connected with the PCB modules installed in the test slots 46.

Above-mentioned PCB module test fixture, signal input mainboard 2 and detection mainboard 3 through dismantling the setting to move and the test installation spare 45 removes along location axle 44 at driving piece 41 drive second test piece 43, so that first test connector 47 and second test connector 48 are connected with the PCB module electricity of installing at test groove 46 respectively, have changed the contact mode that detects the PCB module, avoid the problem that the mainboard that constantly plug leads to damages on the power interface of test mainboard. And simple structure sets up a plurality of detection grooves, can test a plurality of PCB modules simultaneously, and detection efficiency is high.

In one embodiment, the test rack comprises a parameter display screen 5, the parameter display screen 5 is arranged on the test rack 1, and the parameter display screen 5 is electrically connected with the detection main board 3. The specific structure of the parameter display screen 5 is the prior art, and is not described herein again.

In one embodiment, the test slots 46 are spaced linearly. Facilitating testing of multiple PCB modules simultaneously. Preferentially, the two sides of the test slot are provided with placing slots, so that a user can place or take out the PCB module by hands.

In one embodiment, a first insulating layer 49 is provided on the side of the first test piece 42 facing the test mounting member 45. The second test piece 43 is provided with a second insulating layer 410 on its side facing the test mounting member 45. A third insulating layer 411 is disposed on the test mounting member 45, and a plurality of test slots 46 are formed in the third insulating layer 411. External interference on the tested circuit connection is reduced. The first insulating layer 49, the second insulating layer 410, and the third insulating layer 411 are made of transparent plastic.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A PCB module test fixture comprises a test frame, a signal input main board, a detection main board and a positioning device, wherein the signal input main board and the detection main board are detachably arranged below the test frame, the positioning device is arranged above the test frame, the PCB module test fixture is characterized in that the positioning device comprises a driving piece, a first test piece, a second test piece, a positioning shaft and a test mounting piece,

2. The PCB module test fixture of claim 1, comprising a parameter display screen disposed on the test rack, the parameter display screen being electrically connected to the test motherboard.

3. The PCB module test fixture of claim 1, wherein the test slots are spaced apart on the test mount.

4. The PCB module testing fixture of claim 1, wherein a side of the first test piece facing the test mounting member is provided with a first insulating layer.

5. The PCB module test fixture of claim 4, wherein a side of the second test piece facing the test mounting member is provided with a second insulating layer.

6. The PCB module test fixture of claim 5, wherein the test mount has a third layer of insulation disposed thereon, the test slots being positioned on the third layer of insulation.