CN218122028U - Positioning fixture for testing circuit board - Google Patents

Abstract

The application provides a circuit board test positioning jig for connect first circuit board and second circuit board. The jig comprises a first clamp and a second clamp, the first clamp is provided with a first opening and a first electric connection point, the first opening is used for accommodating the first circuit board, and the first electric connection point is used for being electrically connected with the first circuit board; the second clamp is arranged on one side of the first clamp, the second clamp is provided with a second opening and is provided with a second electric connection point, the second opening is used for accommodating the second circuit board, and the second electric connection point is used for being electrically connected with the second circuit board and the first electric connection point. This application can directly measure the original circuit board of placing, reduces because the extra error that the line loss of tool brought.

Description

Circuit board test positioning fixture

technical field

The present application relates to the technical field of circuit boards, in particular to a circuit board test positioning fixture.

Background technique

With the rapid development of electronic products, the demand for battery life is also increasing, which further compresses the design space of circuit boards. The circuit boards of mainstream electronic equipment generally use the combination board design to save space. However, traditional fixtures usually use a parallel structure to test circuit boards, but often cause additional errors due to wiring problems.

Utility model content

In view of this, the present application provides a circuit board test positioning jig to reduce the error caused by the line loss of the jig.

An embodiment of the present application provides a circuit board test positioning fixture for connecting the first circuit board and the second circuit board, including:

The first clamp has a first opening and a first electrical connection point, the first opening is used to accommodate the first circuit board, and the first electrical connection point is used to connect with the first circuit board electrical connections; and

The second fixture is placed on one side of the first fixture, the second fixture has a second opening and is provided with a second electrical connection point, and the second opening is used to accommodate the second circuit board , the second electrical connection point is used for electrical connection with the second circuit board and the first electrical connection point.

In a possible implementation manner, a first communication interface is provided on a side of the first fixture close to the second fixture, and the first communication interface is used to electrically communicate with the second communication interface on the first circuit board. connect.

In a possible implementation manner, a first IO interface is provided on a side of the first fixture close to the second fixture, and the first IO interface is configured to be electrically connected to the second IO interface on the first circuit board.

In a possible implementation manner, a third communication interface is provided on a side of the second fixture close to the first fixture, and the third communication interface is used to communicate with the fourth communication interface on the second circuit board. electrical connection.

In a possible implementation manner, a third IO interface is provided on a side of the second fixture close to the first fixture, and the third IO interface is used to electrically connect with the fourth IO interface on the second circuit board .

In a possible implementation manner, the first clamp further includes a first clamp base and a first fixing part, the first clamp base is used for accommodating the first clamp, and the first fixing part can The first circuit board is fixed to the first fixture in a detachable manner.

In a possible implementation manner, the second clamp further includes a second clamp base and a second fixing part, the second clamp base is used for accommodating the second clamp, and the first fixing part can The first circuit board is fixed to the second fixture in a detachable manner.

In a possible implementation manner, first contact points are provided around the first opening, and the first contact points are used to electrically connect with the first electrical connection point, and the second opening is provided around There is a second contact point for electrical connection with the second electrical connection point.

In a possible implementation manner, a conductive member is provided at the first electrical connection point and the second electrical connection point on the first fixture and the second fixture respectively, and one said conductive member is used to communicate with the other said conductive member. electrical connection.

In a possible implementation manner, a support plate is further included, and the support plate is configured to bear between the first circuit board and the second circuit board.

Compared with the prior art, the circuit board test positioning fixture of the present application places the first circuit board and the second circuit board in the first fixture and the second fixture respectively, and connects the first electric connection point and the second electric connection. The point connects the first circuit board and the second circuit board. Based on this jig, the original placed circuit board can be directly measured, reducing the wiring of the jig, thereby reducing the additional error caused by the line loss.

Description of drawings

FIG. 1 is a schematic structural diagram of an embodiment of a circuit board test positioning jig provided by the present application.

FIG. 2 is a schematic diagram of the connection mode of the circuit board test positioning fixture shown in FIG. 1 .

FIG. 3 is a schematic structural diagram of the circuit board shown in FIG. 1 being arranged in the circuit board test positioning fixture.

FIG. 4 is a schematic structural diagram of the circuit board test positioning fixture shown in FIG. 1 .

Explanation of main component symbols

Circuit board test positioning fixture 100

First circuit board 10

Second communication interface 11

Second IO interface 12

Second circuit board 20

Fourth communication interface 21

The fourth IO interface 22

First Fixture 30

First opening 31

First point of contact 311

First electrical connection point 32

Conductive parts 321, 421

The first communication interface 33

The first IO interface 34

First fixture base 35

First fixed part 36

Second fixture 40

Second opening 41

Second point of contact 411

Second electrical connection point 42

The third communication interface 43

The third IO interface 44

Second fixture base 45

Second fixed part 46

Support plate 50

Conductive hole 60

Wire 61

The following specific embodiments will further illustrate the present application in conjunction with the above-mentioned drawings.

detailed description

The following description will refer to the accompanying drawings to more fully describe the contents of the present application. Exemplary embodiments of the application are shown in the drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the exemplary embodiments set forth herein. Rather, these exemplary embodiments are provided so that this application will be thorough and complete, and will fully convey the scope of this application to those skilled in the art. Like reference numerals designate the same or similar components.

The terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to limit the application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. Furthermore, when used herein, "comprises" and/or "comprises" and/or "has", integers, steps, operations, components and/or components, but does not exclude the presence or addition of one or more other features, Areas, integers, steps, operations, components, components and/or groups thereof.

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. In addition, unless clearly defined herein, terms such as those defined in general dictionaries should be interpreted as having meanings consistent with their meanings in related technologies and the contents of this application, and will not be interpreted as idealized or overly formal.

The following content will describe exemplary embodiments with reference to the accompanying drawings. It should be noted that the components depicted in the referenced drawings are not necessarily shown to scale; and the same or similar components will be given the same or similar reference numerals or similar technical terms.

The specific implementation manners of the present application will be further described in detail below with reference to the accompanying drawings.

As shown in Figures 1 to 4, the embodiment of the present application provides a circuit board test positioning fixture 100, the circuit board test positioning fixture 100 includes a first fixture 30 and a second fixture 40 which are arranged oppositely and in parallel for positioning The first circuit board 10 and the second circuit board 20 are used to test the first circuit board 10 and the second circuit board 20. The first circuit board 10 and the second circuit board 20 can be main boards of electronic equipment such as laptops and mobile phones.

The first clamp 30 has a first opening 31 , a first electrical connection point 32 , a first communication interface 33 and a first IO interface 34 . The first opening 31 is disposed in the middle of the first clamp 30, and its edge is provided with a first contact point 311 electrically connected to the first electrical connection point 32, the shape of the first opening 31 matches the shape of the first circuit board 10 , for accommodating the first circuit board 10 . When the first circuit board 10 is placed in the first opening 31, the front of the first circuit board 10 is set opposite to the second clamp 40 and the first circuit board 10 is electrically connected to the first contact point 311, so that the first electrical connection point 32 is electrically connected to the first circuit board 10 through the first contact point 311 . The first communication interface 33 is disposed on a side of the first clamp 30 close to the second clamp 40 , and is used for electrical connection with the second communication interface 11 disposed on the first circuit board 10 . The first IO interface 34 is used to electrically connect with the second IO interface 12 on the first circuit board 10 . In one embodiment, the first clamp 30 includes two side edges perpendicular to each other, and the first electrical connection point 32 and the first communication interface 33 are respectively disposed on the two side edges of the first clamp 30 . The first IO interface 34 is disposed on the same side edge as the first electrical connection point 32 .

The second fixture 40 includes a second opening 41 , a second electrical connection point 42 , a third communication interface 43 and a third IO interface 44 . The second opening 41 is arranged in the middle of the second clamp 40, and its edge is provided with a second contact point 411 electrically connected to the second electrical connection point 42. The shape of the second opening 41 is roughly the same as that of the second circuit board 20. are the same, and can accommodate the second circuit board 20 . When the second circuit board 20 is placed in the second opening 41, the reverse side of the second circuit board 20 is opposite to the first clamp 30 and the second circuit board 20 is electrically connected to the second contact point 411, so that the second electrical connection point 42 is electrically connected to the second circuit board 20 through the second contact point 411 .

Further, as shown in FIG. 2 , the first electrical connection point 32 and the second electrical connection point 42 on the first clamp 30 and the second clamp 40 are respectively provided with a conductive member 321, 421, and the conductive member 321, 421 is further A conductive hole 60 is provided respectively, and the first electrical connection point 32 is electrically connected to the second electrical connection point 42 through the wire 61 placed in the two conductive holes 60 , so as to realize the electrical connection between the first clamp 30 and the second clamp 40 . Further, in one embodiment, the conductive elements 321 and 421 can be two connectors arranged at the first electrical connection point 32 and the second electrical connection point 42, and the first electrical connection point 32 is realized by plugging the two connectors. The electrical connection with the second electrical connection point 42 is not limited in this application. The third communication interface 43 is disposed on a side of the second clamp 40 close to the first clamp 30 , and is used for electrical connection with the fourth communication interface 21 on the second circuit board 20 . On the same side edge of the second electrical connection point 42, a third IO interface 44 is provided, and the third IO interface 44 is on the side of the second fixture 40 close to the first fixture 30, for connecting with the second circuit board 20. The fourth IO interface 22 is electrically connected. In one embodiment, the second fixture 40 includes two side edges perpendicular to each other, the second electrical connection point 42 and the third communication interface 43 are respectively arranged on the above-mentioned two side edges of the second fixture 40, and the third IO interface 44 is arranged on The same side edge as the second electrical connection point 42 .

For example, the first communication interface 33 and the third communication interface 43 can be antenna interfaces, which can be electrically connected to the second communication interface 11 and the fourth communication interface 21 respectively by using flexible flat cables to provide radio frequency signals. The first IO interface 34 and the third IO interface 44 can be electrically connected to the second IO interface 12 and the fourth IO interface 22 respectively by using a flexible flat cable to supply power to the circuit board and provide control signals.

Further, the circuit board test positioning fixture 100 further includes a first fixture base 35 , a first fixing component 36 , a second fixture base 45 , a second fixing component 46 and a support plate 50 . The first clamp 30 is placed on the first clamp base 35 through a detachable connection, and at the same time, the second clamp 40 is placed on the second clamp base 45 through a detachable connection. As shown in Figure 4, fixing holes 301 are respectively arranged on the edges of the first clamp 30 and the first clamp base 35, and the first clamp 30 is connected to the first clamp base 35 through the fixing holes 301, and the second clamp 40 Fixing holes 301 are respectively provided on the edge of the second clamp base 45 , and the second clamp 40 is connected to the second clamp base 45 through the fixing holes 301 . For example, in one embodiment, the detachable connection may be a screw connection for fixing the first clamp 30 to the first clamp base 35 and fixing the second clamp 40 to the second clamp base 45 . In other implementation manners, the detachable connection manner may be other manners except screws, which may be set according to actual needs, which is not limited in this application. The first fixing part 36 has the same shape as the first clamp base 35, and the first clamp 30 and the first circuit board 10 are detachably connected to the first clamp base 35 near the side of the first clamp 30. The opposite side of the clamp 30 is provided with a support plate 50 , and the support plate 50 is resisted between the first fixing component 36 and the second fixing component 46 . The second fixing part 46 has the same shape as the second clamp base 45 , and detachably connects the second clamp 40 and the second circuit board 20 to the second clamp base 45 on a side close to the second clamp 40 . The shape of the support plate 50 is substantially the same as that of the first circuit board 10 and the second circuit board 20 , providing a space for probe measurement.

When testing the first circuit board 10 and the second circuit board 20, the first circuit board 10 and the second circuit board 20 are stacked and placed in the first fixture 30 and the second fixture 40, that is, the first circuit board 10 and the front of the second circuit board 20 are all facing the second fixture base 45, and the second IO interface 12 on the first circuit board 10 provides a control signal, and the first circuit board 10 placed in the first opening 31 passes through the first The contact point 311 is electrically connected to the first electrical connection point 32 on the first fixture 30, and at the same time, the second circuit board 20 placed in the second opening 41 is connected to the second electrical connection point 32 on the second fixture 40 through the second contact point 411. The connection point 42 is electrically connected, and the first electrical connection point 32 and the second electrical connection point 42 are electrically connected through the two electrically connected conductive members 321, 421. In this way, the connection between the second circuit board 20 and the first circuit board 10 is completed. For signal transmission, analyze and test the first circuit board 10 and the second circuit board 20 through the second IO interface 12 .

In another embodiment, when the first circuit board 10 and the second circuit board 20 are tested, the fourth IO interface 22 on the second circuit board 20 can also provide the control signal. The first circuit board 10 placed in the first opening 31 is electrically connected to the first electrical connection point 32 on the first fixture 30 through the first contact point 311, and at the same time, the second circuit board 20 placed in the second opening 41 The second contact point 411 is electrically connected to the second electrical connection point 42 on the second fixture 40, and the first electrical connection point 32 and the second electrical connection point 42 are electrically connected through the two electrically connected conductive members 321, 421, so that , completing the signal transmission between the first circuit board 10 and the second circuit board 20 , and analyzing and testing the first circuit board 10 and the second circuit board 20 through the fourth IO interface 22 .

Since the original placement of circuit boards in mainstream electronic equipment is mostly stacked, the signal connection of the circuit boards is carried out through the circuit board test positioning fixture 100, and the structure of the relatively parallel first fixture 30 and the second fixture 40 is adopted. Keep the circuit board in its original placement state to reduce the error caused by line loss.

Hereinbefore, specific embodiments of the present application have been described with reference to the accompanying drawings. However, those skilled in the art can understand that without departing from the spirit and scope of the present application, various changes and substitutions can be made to the specific embodiments of the present application. These changes and substitutions all fall within the scope defined by this application.

Claims (10)

1. The utility model provides a circuit board test positioning jig for fix a position first circuit board and second circuit board, its characterized in that, circuit board test positioning jig includes:

the first clamp is provided with a first opening and a first electric connection point, the first opening is used for accommodating the first circuit board, and the first electric connection point is used for being electrically connected with the first circuit board; and

the second clamp is arranged on one side of the first clamp, the second clamp is provided with a second opening and is provided with a second electric connection point, the second opening is used for accommodating the second circuit board, and the second electric connection point is used for being electrically connected with the second circuit board and the first electric connection point.

2. The positioning fixture for testing circuit board according to claim 1, wherein a first communication interface is disposed on a side of the first fixture close to the second fixture, and the first communication interface is electrically connected to the second communication interface of the first circuit board.

3. The positioning fixture for testing circuit boards according to claim 1, wherein a first IO interface is disposed on a side of the first fixture close to the second fixture, and the first IO interface is electrically connected to a second IO interface on the first circuit board.

4. The positioning fixture for testing circuit board according to claim 1, wherein a third communication interface is disposed on a side of the second fixture close to the first fixture, and the third communication interface is electrically connected to a fourth communication interface on the second circuit board.

5. The positioning fixture for testing circuit boards according to claim 1, wherein a third IO interface is disposed on a side of the second fixture close to the first fixture, and the third IO interface is electrically connected to a fourth IO interface on the second circuit board.

6. The circuit board testing and positioning fixture of claim 1, wherein the first fixture further comprises a first fixture base for receiving the first fixture, and a first fixing member for detachably fixing the first circuit board to the first fixture.

7. The circuit board testing and positioning fixture of claim 1, wherein the second fixture further comprises a second fixture base for receiving the second fixture, and a second fixing member for detachably fixing the second circuit board to the second fixture.

8. The positioning fixture for testing circuit board according to claim 1, wherein a first contact point is disposed around the first opening for electrically connecting to the first electrical connection point, and a second contact point is disposed around the second opening for electrically connecting to the second electrical connection point.

9. The positioning apparatus for testing circuit board according to claim 1, wherein a conductive member is disposed at each of the first and second electrical connection points of the first and second jigs, and one of the conductive members is electrically connected to the other conductive member.

10. The positioning fixture for testing circuit board according to claim 1, further comprising a supporting plate, wherein the supporting plate is used for abutting against between the first circuit board and the second circuit board.

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