CN211014399U

CN211014399U - Accurate micropin test module

Info

Publication number: CN211014399U
Application number: CN201921244968.3U
Authority: CN
Inventors: 张艳; 李科锋; 秦永昌
Original assignee: Shenzhen Welltest Technology Co ltd
Current assignee: Shenzhen Welltest Technology Co ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-07-14
Anticipated expiration: 2029-08-02

Abstract

The utility model discloses a precise microneedle test module, which comprises a needle mold base plate, a PCB adapter plate, a first needle plate, a second needle plate, a third needle plate, a fourth needle plate, a positioning axis, a micro double-head test probe and a screw; the PCB adapter plate is arranged above the needle die base plate, and the first needle plate is arranged above the PCB adapter plate; the second needle plate is arranged above the first needle plate, the third needle plate is arranged above the second needle plate, and the fourth needle plate is arranged above the third needle plate; and a plurality of miniature double-head test probes are fixed on the fourth needle plate. The utility model discloses can effectively solve product PCBs such as intelligent wireless charger, panel computer, cell-phone bring if in process of production: poor conductivity of the test needle, short service life of the probe, low operation efficiency, high manufacturing cost and the like. The method has the advantages of low cost, high precision and good test stability. And is compatible with various product test requirements. Effectively promote the big development of domestic electronic product test fixture trade, improve production efficiency greatly, promote the test quality.

Description

Accurate micropin test module

Technical Field

The utility model relates to an accurate tool makes technical field, concretely relates to accurate micropin test module.

Background

In the production test process of the PCBA, the intelligent wireless charger, the tablet personal computer, the mobile phone and the like can ensure the quality only through a plurality of tests due to the fact that the PCBA test points are small. In order to prevent repeated tests in the production process, products are easy to damage, the service life of the probe is short, and therefore series problems such as low working efficiency are influenced.

The probe module test is one of the essential important processes in the production detection process, the current manufacturer mainly tests in a test mode through a common test needle and a needle die which is processed and assembled by conventional materials, and the probe is connected with the PCBA board to be tested. The structure has the defects of difficult installation and maintenance, poor conductivity of the test needle, large resistance, high false-detection retest rate and the like, thereby causing the series problems of low production efficiency, gliding of the product ex-factory qualification rate and the like.

Disclosure of Invention

The utility model aims to solve the technical problem that an accurate micropin test mould can overcome the operation mode in the past and need retest, and the operating efficiency is low, and the difficulty is maintained in the installation, improves the product test qualification rate to can compatible market test fixture more than 90%, effectively promote internal wireless charger of intelligence, panel computer, cell-phone test fixture trade development.

The utility model discloses a realize through following technical scheme: a precise microneedle test module comprises a needle mold base plate, a PCB adapter plate, a first needle plate, a second needle plate, a third needle plate, a fourth needle plate, a positioning axis, a micro double-head test probe and a screw; the PCB adapter plate is arranged above the needle die base plate, and the first needle plate is arranged above the PCB adapter plate; the second needle plate is arranged above the first needle plate, the third needle plate is arranged above the second needle plate, and the fourth needle plate is arranged above the third needle plate; a plurality of miniature double-head test probes are fixed on the fourth needle plate; a plurality of positioning axes are fixed on the first needle plate.

Preferably, the screw is a floating screw with a shoulder.

As the preferred technical scheme, a plurality of aligned screw holes are formed among the needle die base plate, the PCB adapter plate and the first needle plate, and screws are inserted into the screw holes.

As a preferable technical scheme, a plurality of aligned positioning pin point holes are formed in the second needle plate, the third needle plate and the fourth needle plate.

As a preferred technical scheme, the model number of the miniature double-head test probe is SP4526DD 70.

The utility model has the advantages that: the PCB test is the indispensable item when PCB dispatches from the factory, the utility model discloses can effectively solve product PCBs such as intelligent wireless charger, panel computer, cell-phone and bring if in process of production: poor conductivity of the test needle, short service life of the probe, low operation efficiency, high manufacturing cost and the like. The method has the advantages of low cost, high precision and good test stability. And is compatible with various product test requirements. Effectively promote the big development of domestic electronic product test fixture trade, improve production efficiency greatly, promote the test quality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 according to these drawings without creative efforts.

Fig. 1 is an overall structure diagram of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms herein such as "upper," "above," "lower," "below," and the like in describing relative spatial positions is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, a precision microneedle test module comprises a needle mold base plate 1, a PCB adapter plate 2, a first needle plate 3, a second needle plate 5, a third needle plate 6, a fourth needle plate 7, a positioning axis 8, a micro double-head test probe 9 and a screw 10; the PCB adapter plate 2 is arranged above the needle die base plate 1, and the first needle plate 3 is arranged above the PCB adapter plate 2; the second needle plate 5 is arranged above the first needle plate 3, the third needle plate 6 is arranged above the second needle plate 5, and the fourth needle plate 7 is arranged above the third needle plate 6; a plurality of miniature double-head test probes 9 are fixed on the fourth needle plate 7; a plurality of positioning axes 8 are fixed on the first needle plate 3.

Wherein, the screw 10 is a floating screw 10 with shoulder.

A plurality of aligned screw holes are formed among the needle die base plate 1, the PCB adapter plate 2 and the first needle plate 3, and screws 10 are inserted into the screw holes.

Wherein, a plurality of aligned positioning pin point holes 11 are arranged on the second needle plate 5, the third needle plate 6 and the fourth needle plate 7.

The model number of the micro double-head test probe 9 is SP4526DD 70.

The working principle is as follows: this structure is by first faller 3, second faller 5, third faller 6, fourth faller 7 add location axle core + miniature double-end test probe + PCB keysets + band shoulder screw components such as unsteady, the scheme principle: during PCBA test production, put the product in the frock support plate location, the frock support plate promotes to the needle mould position through the cylinder and pushes down through last mould, makes micropin and PCBA hookup accomplish the test.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a precision micropin test module which characterized in that: the micro double-head test device comprises a needle mold base plate (1), a PCB adapter plate (2), a first needle plate (3), a second needle plate (5), a third needle plate (6), a fourth needle plate (7), a positioning shaft center (8), a micro double-head test probe (9) and a screw (10); the PCB adapter plate (2) is arranged above the needle die base plate (1), and the first needle plate (3) is arranged above the PCB adapter plate (2); the second needle plate (5) is arranged above the first needle plate (3), the third needle plate (6) is arranged above the second needle plate (5), and the fourth needle plate (7) is arranged above the third needle plate (6); a plurality of micro double-head test probes (9) are fixed on the fourth needle plate (7); a plurality of positioning axes (8) are fixed on the first needle plate (3).

2. The precision microneedle test module of claim 1, wherein: the screw (10) is a floating screw (10) with a shoulder.

3. The precision microneedle test module of claim 1, wherein: a plurality of aligned screw holes are formed among the needle die base plate (1), the PCB adapter plate (2) and the first needle plate (3), and screws (10) are inserted into the screw holes.

4. The precision microneedle test module of claim 1, wherein: the second needle plate (5), the third needle plate (6) and the fourth needle plate (7) are provided with a plurality of aligned positioning pin point holes (11).

5. The precision microneedle test module of claim 1, wherein: the miniature double-ended test probe (9) is model number SP4526DD 70.