CN216434179U

CN216434179U - Structure capable of realizing multi-channel small-spacing radio frequency signal test

Info

Publication number: CN216434179U
Application number: CN202122910821.7U
Authority: CN
Inventors: 曹春晓; 李晓楠; 李锦辉
Original assignee: Xian Elite Electronic Industrial Co Ltd
Current assignee: Xian Elite Electronic Industrial Co Ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-03
Anticipated expiration: 2031-11-24

Abstract

A structure capable of realizing multi-channel small-spacing radio frequency signal testing comprises a shell, a floating hard needle, an internal connecting piece and a testing port; a plurality of L-shaped through holes are arranged in the shell body at equal intervals in parallel, one ends of the L-shaped through holes face the same direction and are on the same straight line, and the other ends of the L-shaped through holes face the same direction or different directions; all be provided with internal connection in every L shape through-hole, the one end of every L shape through-hole sets up unsteady hard needle, and the other end sets up the test port. The utility model discloses with two liang think adjacent quilt survey passageways, draw forth to different test ports through the mode of dislocation, avoid unable coexistent space through the mode of direction dislocation, or avoid unable coexistent space through the mode of high dislocation, the test problem when having solved the unable passageway interval of solving of conventional structure and being less than connector interface diameter.

Description

Structure capable of realizing multi-channel small-spacing radio frequency signal test

Technical Field

The utility model belongs to the technical field of the test of PCB board, in particular to can realize structure of multichannel booth apart from radio frequency signal test.

Background

The application of the hair button makes the test of the PCB board possible, and when testing the radio frequency channel of the PCB board, the radio frequency interface is necessarily led out. Generally, in order to meet the requirement of small spacing of the PCB, the SSMP interface is converted, the inner hole size of the mouth of the SSMP interface is 2.87, and when the spacing of the rf channel of the PCB is smaller, the conventional SSMP interface cannot meet the test requirement.

Disclosure of Invention

An object of the utility model is to provide a can realize the structure of multichannel booth apart from radio frequency signal test to solve above-mentioned problem.

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

a structure capable of realizing multi-channel small-spacing radio frequency signal testing comprises a shell, a floating hard needle, an internal connecting piece and a testing port; a plurality of L-shaped through holes are arranged in the shell body at equal intervals in parallel, one ends of the L-shaped through holes face the same direction and are on the same straight line, and the other ends of the L-shaped through holes face the same direction or different directions; all be provided with the internal connection spare in every L shape through-hole, every L shape through-hole sets up the hard needle that floats towards the same one end, and the other end sets up the test port.

Furthermore, when one end of the test port of the L-shaped through hole faces to the same direction, the through holes at the end are arranged in a vertically staggered mode.

Furthermore, when one end of the test port of the L-shaped through hole faces in a different direction, the through holes at the end are arranged in a staggered mode at an angle of 180 degrees in the same horizontal plane.

Further, the inner connector comprises a hair button, a first inner conductor, a second inner conductor, a first insulating medium, a second insulating medium and a bushing; the first inner conductor, the floating hard needle and the wool button are sequentially connected and arranged in a first insulating medium, and the first insulating medium is fixedly connected with the inner wall of the shell; the second inner conductor is arranged in the second insulating medium, the bushing is wrapped on the outer side of the second insulating medium and arranged in the shell, and the joint of the first inner conductor and the second inner conductor is connected in a soldering mode.

Furthermore, the first insulating medium and the shell are fixed through barbs.

Further, the second inner conductor is connected with the test port.

Furthermore, a cover body is arranged at the corner of the L-shaped through hole on the shell.

Further, the first inner conductor and the first insulating medium are fixed in a potting mode.

Compared with the prior art, the utility model discloses there is following technological effect:

the utility model discloses a mode of dislocation draws forth the radio frequency mouth of two adjacent radio frequency channels to different positions, avoids the biggest department of SSMP interface oral area diameter, realizes the high frequency performance test of super booth apart from radio frequency channel. The utility model discloses with two liang of adjacent quilt survey passageways, draw forth to different test ports through the mode of dislocation, avoid unable coexistent space through the mode of direction dislocation, or avoid unable coexistent space through the mode of high dislocation, the test problem when having solved the unable passageway interval of solving of conventional structure and being less than connector interface diameter has been solved.

Drawings

FIG. 1 is a sectional view of the present invention;

FIG. 2 is a front view of the L-shaped through holes arranged in different directions;

FIG. 3 is a top view of the present invention with L-shaped through holes arranged in different directions;

fig. 4 is a top view of the L-shaped through holes of the present invention arranged in the same direction.

Wherein: 1. a housing; 2. a floating hard needle; 12. a test port; 3. a hair button; 5. a first inner conductor; 10. a second inner conductor; 4. a first insulating medium; 9. a second insulating medium; 11. a bushing; 8. a cover body; 6. and barbs.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

referring to fig. 1 to 4, a structure capable of implementing multi-channel small-pitch rf signal testing includes a housing 1, a floating hard pin 2, an internal connector, and a testing port 12; a plurality of L-shaped through holes are arranged in the shell 1 at equal intervals side by side, one ends of the L-shaped through holes face the same direction and are on the same straight line, and the other ends of the L-shaped through holes face the same direction or different directions; all be provided with the internal connection spare in every L shape through-hole, the one end of every L shape through-hole sets up unsteady hard needle 2, and the other end sets up test port 12.

When the other end of the L-shaped through hole faces to the same direction, the end through holes are arranged in a vertically staggered mode.

When the other end of the L-shaped through hole faces in a different direction, the end through holes are arranged in a staggered mode at an angle of 180 degrees in the same horizontal plane.

As shown in fig. 1 and 2, two adjacent channels to be tested are led out to different test ports in a staggered manner, so that the space which cannot coexist can be avoided in a direction staggered manner, and the space which cannot coexist can also be avoided in a height staggered manner.

1. Avoiding the space which can not coexist by means of direction dislocation

Fig. 1 to 3 show a structure for implementing a multi-channel ultra-small-pitch radio frequency signal test by way of direction dislocation, which is composed of a shell, a floating hard pin, a hair button, a first inner conductor, a second inner conductor, a first insulating medium, a second insulating medium, a bushing and a cover, wherein the number of the floating hard pin, the hair button, the first inner conductor, the second inner conductor, the first insulating medium, the second insulating medium, the bushing, the cover and the like is consistent with the number of channels, test ports led out from all odd channels on the shell face one direction, and test ports led out from all even channels face the other direction.

During assembly, the floating hard needle and the hair button are respectively arranged in the first insulating medium, the first inner conductor is arranged in the first insulating medium and is fixed in an embedding manner, the whole body is arranged in the shell and is in place after the embedding glue is solidified, the first insulating medium and the shell are fixed through barbs, and the reliability is high; cutting the second insulating medium, loading the second inner conductor into the second insulating medium, loading them into the bushing, and press-fitting the whole into the housing; the first inner conductor and the second inner conductor are connected and soldered as shown in the figure, and after soldering, the lid is press-fitted into the case. And assembling the channels on the shell in the process respectively.

2. Avoidance of non-coexisting spaces by means of height misalignment

Fig. 4 shows a structure for realizing multi-channel ultra-small-pitch radio frequency signal testing by a height dislocation mode, and the components of the structure are the same as those in fig. 1, except that the test ports led out by all odd channels on the shell are at the same height, the test ports led out by all even channels are at another height which does not interfere with the test ports, the lengths of the first inner conductors corresponding to different heights are different, and the rest assembly modes are the same as those in fig. 1.

Claims

1. A structure capable of realizing multi-channel small-spacing radio frequency signal testing is characterized by comprising a shell (1), a floating hard needle (2), an internal connecting piece and a testing port (12); a plurality of L-shaped through holes are formed in the shell (1), the L-shaped through holes are arranged side by side at equal intervals, one ends of the L-shaped through holes face the same direction and are on the same straight line, and the other ends of the L-shaped through holes face the same direction or different directions; all be provided with internal connection in every L shape through-hole, every L shape through-hole sets up unsteady hard needle (2) towards the same one end, and the other end sets up test port (12).

2. The structure of claim 1, wherein the L-shaped through holes are arranged in a staggered manner in two rows from top to bottom when the test ports are oriented in the same direction.

3. The structure of claim 1, wherein the L-shaped vias have their test ports oriented in opposite directions, and the L-shaped vias are staggered by 180 ° in a same horizontal plane.

4. The structure capable of realizing multi-channel small-pitch radio frequency signal testing according to claim 1, wherein the internal connection member comprises a hair button (3), a first inner conductor (5), a second inner conductor (10), a first insulating medium (4), a second insulating medium (9) and a bushing (11); the first inner conductor (5), the floating hard needle (2) and the wool button (3) are sequentially connected and arranged in the first insulating medium (4), and the first insulating medium (4) is fixedly connected with the inner wall of the shell; the second inner conductor (10) is arranged in the second insulating medium (9), the lining (11) is wrapped outside the second insulating medium (9), the lining (11) is arranged in the shell, and the junction of the first inner conductor (5) and the second inner conductor (10) is connected in a soldering mode.

5. A structure capable of realizing multi-channel small-spacing radio frequency signal test according to claim 4, characterized in that the first insulating medium (4) is fixed with the shell through barbs (6).

6. An arrangement for enabling multi-channel small-pitch radio frequency signal testing according to claim 4, characterized in that the second inner conductor (10) is connected to the test port (12).

7. A structure capable of realizing multi-channel small-pitch radio frequency signal test according to claim 1, characterized in that a cover (8) is arranged on the housing (1) at the corner of the L-shaped through hole.

8. A structure capable of realizing multi-channel small-pitch radio frequency signal testing according to claim 1, characterized in that the first inner conductor (5) is fixed by potting with the first insulating medium (4).