CN108196183B

CN108196183B - Rigid-flex board test fixture

Info

Publication number: CN108196183B
Application number: CN201810022114.4A
Authority: CN
Inventors: 文东升; 朱晓明
Original assignee: Suzhou Kelinyuan Electronic Co ltd
Current assignee: Suzhou Kelinyuan Electronic Co ltd
Priority date: 2018-01-10
Filing date: 2018-01-10
Publication date: 2022-05-20
Anticipated expiration: 2038-01-10
Also published as: CN108196183A

Abstract

The invention discloses a rigid-flex board test fixture which comprises a needle plate, a probe, a line board and a connecting wire, wherein the connecting wire is fixed on the line board; the needle plate comprises a lower layer plate and an upper layer plate, the lower layer plate is provided with a first concave part, the upper layer plate comprises a first matching part and a second matching part, the first matching part and the second matching part have a height difference, and the first matching part corresponds to the first concave part; the line board comprises a convex part; the convex part is matched with the first concave part. For the test of the rigid-flexible printed circuit board that satisfies all nonstandard figures, the faller is processed into corresponding first cooperation portion and second cooperation portion, and the difference in height is realized through the figure of processing specific height and degree of depth to faller and the inside line board, reaches the purpose of test, and this satisfies the test of the rigid-flexible printed circuit board of rule and nonstandard figure, accomplishes the difference in height test requirement through the inside design of same faller and line board, novel structure, design benefit, and the suitability is strong.

Description

Rigid-flex board test fixture

Technical Field

The invention relates to the field of circuit board testing, in particular to a test fixture for a rigid-flex board.

Background

At present, a flexible circuit board and a rigid circuit board are combined together according to relevant process requirements through processes such as pressing and the like to form a circuit board with FPC (flexible printed circuit) characteristics and PCB (printed circuit board) characteristics. The rigid-flex circuit board has the characteristics of both FPC and PCB, so that the rigid-flex circuit board can be used in products with special requirements, has a certain flexible area and a certain rigid area, and is greatly helpful for saving the internal space of the products, reducing the volume of finished products and improving the performance of the products.

The soft and hard combined board can realize the lightness, the intellectualization and the small volume of the electronic product, and the assembly flexibility is enhanced.

However, the existing soft and hard combined board test fixture has the following defects:

the rigid-flex board test fixture on the market has a single structure, often needs a plurality of needle plates with fixed shapes to be combined for testing, cannot meet the testing requirements of various rigid-flex boards, and is inconvenient to test.

Disclosure of Invention

In order to overcome the defects of the prior art, one of the objectives of the present invention is to provide a test fixture for rigid-flex boards, which can solve the problem of inconvenient testing.

One of the purposes of the invention is realized by adopting the following technical scheme:

a rigid-flex board test fixture comprises a needle plate, a probe, a line board and a connecting wire, wherein the connecting wire is fixed on the line board; the needle plate comprises a lower plate and an upper plate, the probe is fixed between the lower plate and the upper plate, the lower plate is provided with a first concave part, the upper plate comprises a first matching part and a second matching part, the first matching part and the second matching part have a height difference, and the first matching part corresponds to the first concave part; the line plate comprises a boss; the protruding portion is matched with the first recessed portion, the probe is connected with the connecting line, and areas of the rigid-flex board, which are different in height, are respectively attached to the first matching portion and the second matching portion to be tested.

Further, the probes are distributed on the first matching portion and the second matching portion.

Further, the height difference between the first matching part and the second matching part is larger than 0.3 mm.

Further, the needle plate is detachably fixed to the thread plate.

Further, the rigid-flex board test fixture further comprises a support, and the needle plate is fixed on the support.

Furthermore, the lower plate is divided into three layers, the lower plate is further provided with a protrusion, the protrusion corresponds to the first concave part, and the protrusion and the first concave part are located on two opposite sides of the lower plate.

Further, the first fitting portion corresponds to the protruding portion.

Further, the rigid-flexible printed circuit board comprises a flexible printed circuit board area and a rigid printed circuit board area, and the thickness difference between the flexible printed circuit board area and the rigid printed circuit board area is larger than 0.3 mm.

Further, the thickness difference between the soft board area and the hard board area is the same as the height difference between the first matching part and the second matching part.

Compared with the prior art, the invention has the beneficial effects that:

for the test of the rigid-flexible printed circuit board that satisfies all nonstandard figures, the faller processing be corresponding first cooperation portion with the difference in height is realized through the figure of processing specific height and degree of depth to second cooperation portion, faller and line board inside, reaches the purpose of test, and this satisfies the test of the rigid-flexible printed circuit board of rule and nonstandard figure, accomplishes the difference in height test requirement through the inside design of same faller and line board, novel structure, design benefit, and the suitability is strong.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of a preferred embodiment of a rigid-flex board testing fixture according to the present invention;

FIG. 2 is a perspective view of a needle plate of the rigid-flex board testing jig shown in FIG. 1;

fig. 3 is an enlarged view of a portion a of the needle board shown in fig. 2.

In the figure: 100. a rigid-flex board test fixture; 10. a needle plate; 11. a lower layer plate; 111. a first recess; 12. an upper plate; 121. a first mating portion; 122. a second mating portion; 20. a rigid-flex board; 21. a flexible board area; 22. a hard plate region; 30. a probe; 40. a line board; 41. a boss portion; 50. a connecting wire; 60. and (4) a bracket.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, a rigid-flex board testing jig 100 includes a needle board 10, a probe 30, a wire board 40, a connecting wire 50 and a support 60.

The soft and hard combined board 20 comprises a soft board area 21 with any Nmm thickness and a hard board area 22 with any thickness larger than N +0.3mm, the soft board area 21 and the thickness difference of the hard board area 22 is larger than 0.3mm, the height difference of the plane of the lug boss 41 higher than the line board 40 in the vertical direction is larger than 0.3mm, the height difference is equal to the thickness difference of the soft board area 21 and the hard board area 22, the soft and hard combined board 20 is placed on the upper portions of a first matching portion 121 and a second matching portion 122, the soft board area 21 is correspondingly placed on the first matching portion 121, and the hard board area 22 is correspondingly placed on the second matching portion 122.

The needle plate 10 includes a lower plate 11 and an upper plate 12, the lower plate 11 is provided with a first recess 111, the upper plate 12 includes a first matching portion 121 and a second matching portion 122, a height difference Δ H exists between the first matching portion 121 and the second matching portion 122, the height difference between the first matching portion 121 and the second matching portion 122 is greater than 0.3mm, the first matching portion 121 corresponds to the first recess 111, and the plurality of probes 30 are equal in height. The lower plate 11 is divided into three layers, the lower plate 11 is further provided with a protrusion, the protrusion corresponds to the first concave part 111, and the protrusion and the first concave part 111 are located on two opposite sides of the lower plate 11

The line plate 40 includes a boss 41.

When the rigid-flex board test fixture 100 is assembled, the protruding portion 41 is fitted to the first recessed portion 111, the probe 30 is connected to the connection line 50, areas of different heights of the rigid-flex board 20 are respectively fitted to the first fitting portion 121 and the second fitting portion 122 for testing, and the connection line 50 is fixed to the line board 40; the probe 30 is fixed on the lower plate 11 and between the upper plate 12, the probe 30 is distributed on the first matching part 121 and the second matching part 122, the needle plate 10 is detachably fixed on the thread plate 40, the needle plate 10 is fixed on the bracket 60, the first matching part 121 corresponds to the protruding part 41, and the thickness difference between the soft plate area 21 and the hard plate area 22 is the same as the height difference between the first matching part 121 and the second matching part 122.

When using soft or hard combination board test fixture 100, for the test of the soft or hard combination board 20 who satisfies all non-specification figures, faller 10 processing be corresponding first cooperation portion 121 with second cooperation portion 122, faller 10 and line board 40 are inside to realize the difference in height through the figure of processing specific height and degree of depth, reach the purpose of test, this satisfies the test of the soft or hard combination board 20 of rule and non-specification figure, accomplish the difference in height test requirement through the inside design of same faller 10 and line board 40, novel structure, design benefit, the suitability is strong.

The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are intended to be covered by the claims.

Claims

1. The utility model provides a rigid-flex board test fixture, includes faller, probe, line board and connecting wire, its characterized in that: the connecting wire is fixed on the wire plate; the needle plate comprises a lower plate and an upper plate, the probe is fixed between the lower plate and the upper plate, the lower plate is provided with a first concave part, the upper plate comprises a first matching part and a second matching part, the first matching part and the second matching part have a height difference, and the first matching part corresponds to the first concave part; the line plate comprises a boss; the convex part cooperate in first depressed part, the probe with the connecting wire is connected, the not region of hard and soft combination board co-altitude respectively with first cooperation portion with the laminating of second cooperation portion is tested, the probe distribute in first cooperation portion with on the second cooperation portion, first cooperation portion with second cooperation portion difference in height is greater than 0.3mm, faller detachably is fixed in the line board, hard and soft combination board test fixture still includes the support, the faller is fixed in on the support.

2. The rigid-flex board test fixture of claim 1, wherein: the lower layer board is divided into three layers, the lower layer board is also provided with a bulge, the bulge corresponds to the first concave part, and the bulge and the first concave part are positioned on two opposite sides of the lower layer board.

3. The rigid-flex board test fixture of claim 1, wherein: the first matching part corresponds to the protruding part.

4. The rigid-flex board test fixture of claim 1, wherein: the soft and hard combined board comprises a soft board area and a hard board area, and the thickness difference between the soft board area and the hard board area is larger than 0.3 mm.

5. The apparatus for testing a rigid-flex board according to claim 4, wherein: the thickness difference between the soft board area and the hard board area is the same as the height difference between the first matching part and the second matching part.