CN221007671U

CN221007671U - Antenna test jig and antenna test device

Info

Publication number: CN221007671U
Application number: CN202322751431.9U
Authority: CN
Inventors: 崔荣基; 金东勋; 宋通
Original assignee: Zhejiang Changfei Technology Co ltd
Current assignee: Zhejiang Changfei Technology Co ltd
Priority date: 2023-10-13
Filing date: 2023-10-13
Publication date: 2024-05-24
Anticipated expiration: 2033-10-13

Abstract

The utility model relates to the field of antenna testing, in particular to an antenna testing jig and an antenna testing device. According to the utility model, the pressing blocks are arranged, so that pressing force can be applied to two side edges of the antenna to be tested, thus pressing is realized, and damage to components on the upper surface of the antenna to be tested is avoided; the utility model also provides a sliding groove and a sliding block, so that the lower pressure can be applied to the middle part of the antenna while avoiding components on the upper surface of the antenna to be tested, and the problems of poor contact and circuit board damage caused by the arch of the middle part of the antenna due to stress on two side edges are avoided.

Description

Antenna test jig and antenna test device

Technical Field

The present utility model relates to the field of antenna testing, and in particular, to an antenna testing jig and an antenna testing device.

Background

An antenna is a transducer that converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium, or vice versa. So it is commonly used in radio equipment as a component for transmitting or receiving electromagnetic waves. Unlike the prior art, the conventional antenna is often integrated on a chip, so that unlike the conventional metal antenna with a certain length, when a test is performed, the contact between a square antenna contact and a test circuit is required to be maintained so as to conduct the circuit, so that an operator is required to keep pressing, the operation is very inconvenient, and the circuit may be disconnected due to looseness.

At present, some antenna test jigs exist, and only the comprehensive pressing is performed by replacing a human hand through a pressing plate, but the pressing force is not easy to control, and particularly when an electronic element exists on a circuit board, the force is uncomfortable and is very easy to damage. Therefore, there is a need for an improvement in such a structure to overcome the above-mentioned drawbacks.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, and provides an antenna test jig and an antenna test device, which are realized by the following technical scheme:

The utility model provides an antenna test fixture, includes the base, be provided with locating plate and pressing device on the base, be provided with the constant head tank on the locating plate, pressing device is including the backup pad that can reciprocate, just the backup pad is located the constant head tank top, the backup pad is close to still the interval is provided with two presses the briquetting on a side of constant head tank, be provided with on the briquetting and press the inclined plane.

The technical scheme is as follows: the base is used for setting other parts of the antenna test fixture; the positioning plate is used for serving as a reference position and a reference height and limiting the position of the antenna to be tested; the positioning groove plays a role in testing the antenna to be tested; the pressing device is used for realizing pressing, so that an antenna to be tested can be kept in contact with the test circuit; the supporting plate is used for setting a pressing block; the pressing block is used for testing downward force on two side edges of the antenna to be tested, so that pressing is realized, and components on the upper surface of the antenna to be tested are avoided at the same time; the pressing inclined plane is used for enabling the pressing block to press antennas with different widths.

The utility model is further provided with: the base is also provided with an air cylinder, one side, far away from the positioning groove, of the supporting plate is provided with a guide rod, the output end of the air cylinder is provided with a sleeve, the sleeve is in sliding connection with the guide rod, and the outer wall of the sleeve is sleeved with a spring.

The technical scheme is as follows: the cylinder is used for providing power for the up-and-down movement of the supporting plate; the guide rod is matched with the sleeve, so that a spring can be arranged, and the relative distance between the support plate and the output end of the cylinder can be changed; the spring is used for providing elasticity for the backup pad can have certain buffering when realizing pressing.

The utility model is further provided with: the support plate is close to a side face of the positioning groove and is further provided with a sliding groove, a sliding block is arranged in the sliding groove in a sliding mode, and a first elastic cushion block is fixedly arranged at the end portion of the sliding block.

The technical scheme is as follows: the sliding groove is used for setting the sliding block and limiting the sliding track of the sliding block; the sliding block is used for providing pressure for the middle part of the flaky antenna to be tested, so that the damage caused by the arch of the middle part of the antenna is avoided.

The utility model is further provided with: the pressing inclined surface is fixedly provided with a second elastic cushion block.

The technical scheme is as follows: the second elastic cushion is used for reducing rigid contact, and the contact surface between the second elastic cushion and an antenna to be tested is increased through the deformation of the second elastic cushion, so that the pressing is more stable.

The utility model is further provided with: the width of the positioning groove is not smaller than the distance between the two sides of the pressing block, which are far away from each other.

The technical scheme is as follows: the width of the positioning groove is larger than the distance between the sides of the two pressing blocks, which are far away from each other, so as to avoid interference between the pressing blocks and the sides of the positioning groove.

The utility model discloses an antenna test fixture and an antenna test device, compared with the prior art:

1. According to the utility model, the pressing blocks are arranged, so that pressing force can be applied to two side edges of the antenna to be tested, thus pressing is realized, and damage to components on the upper surface of the antenna to be tested is avoided;

2. The utility model also provides a sliding groove and a sliding block, so that the lower pressure can be applied to the middle part of the antenna while avoiding components on the upper surface of the antenna to be tested, and the problems of poor contact and circuit board damage caused by the arch of the middle part of the antenna due to stress on two side edges are avoided.

Drawings

FIG. 1 is a front view of an antenna test fixture according to the present utility model;

fig. 2 is a bottom view of a pressing plate of the antenna test fixture of the present utility model;

FIG. 3 is a top view of a support plate of the antenna test fixture of the present utility model;

fig. 4 is a schematic enlarged view of a portion of the antenna test fixture of the present utility model during operation.

Corresponding part names are indicated by numerals and letters in the drawings: 10-a base; 20-positioning plates; 201-positioning grooves; 30-pressing means; 301-supporting a plate; 301 a-guiding rod; 301 b-a sliding groove; 302, pressing blocks; 302 a-pressing ramp; 302 b-a second resilient pad; 303-a slider; 303 a-a first resilient pad; 40-cylinder; 401-sleeve; 50-springs.

Detailed Description

The following describes in detail the examples of the present utility model, which are implemented on the premise of the technical solution of the present utility model, and detailed embodiments and specific operation procedures are given, but the scope of protection of the present utility model is not limited to the following examples.

As shown in fig. 1-4, the antenna test fixture provided by the utility model comprises a base 10, wherein a positioning plate 20 and a pressing device 30 are arranged on the base 10, a positioning groove 201 is arranged on the positioning plate 20, the pressing device 30 comprises a supporting plate 301 capable of moving up and down, the supporting plate 301 is positioned above the positioning groove 201, two pressing blocks 302 are further arranged on one side surface, close to the positioning groove 201, of the supporting plate 301 at intervals, and a pressing inclined surface 302a is arranged on the pressing block 302. The side surface of the fixed plate can be further provided with a mounting groove, the mounting groove is communicated with the positioning groove 201, and the mounting groove is used for mounting a test circuit board; the pressing inclined surface 302a is arranged at the side bottom edge position of the two pressing blocks 302 which are close to each other; the height of the pressing block 302 is greater than the depth of the positioning groove 201.

As shown in fig. 1-4, in the antenna testing fixture provided by the utility model, the base 10 is further provided with a cylinder 40, a guide rod 301a is disposed on a side of the support plate 301 away from the positioning groove 201, a sleeve 401 is disposed at an output end of the cylinder 40, the sleeve 401 is slidably connected with the guide rod 301a, and a spring 50 is sleeved on an outer wall of the sleeve 401. Wherein the cylinder 40 is vertically arranged; the guide rod 301a is disposed at the geometric center of the support plate 301; preferably, the cross-section of the guide rod 301a is "T" shaped, and the end with a larger diameter is fixedly connected to the support plate 301, and the larger end of the guide rod 301a is consistent with the outer diameter of the sleeve 401; one end of the spring 50 is held in contact with the support plate 301, and the other end is held in contact with the output end of the cylinder 40.

As shown in fig. 1-4, in the antenna testing jig according to the present utility model, a sliding groove 301b is further provided on a side surface of the supporting plate 301, which is close to the positioning groove 201, a sliding block 303 is slidably provided in the sliding groove 301b, and a first elastic cushion 303a is fixedly provided at an end of the sliding block 303. Wherein the track of the sliding groove 301b is perpendicular to the line connecting the two pressing blocks 302.

As shown in fig. 1-4, in the antenna testing fixture according to the present utility model, the pressing inclined plane 302a is fixedly provided with a second elastic pad 302b. Wherein, the inclination angle of the pressing inclined plane 302a is 15 degrees.

As shown in fig. 1-4, in the antenna test fixture according to the present utility model, the width of the positioning slot 201 is not smaller than the distance between the sides of the two pressing blocks 302 away from each other. The positioning groove 201 is in a T shape, the width of the wider position is not smaller than the distance between the two sides of the pressing block 302 away from each other, and the width of the narrower part is consistent with the width of the antenna to be tested.

As shown in fig. 1-4, the antenna testing device provided by the utility model comprises an antenna testing jig. The antenna test fixture further comprises a test circuit board and an oscilloscope, wherein the test circuit board is arranged in the mounting groove and is in contact with an antenna to be tested; the oscilloscope is electrically connected with the test circuit to display signal conditions.

The working principle of the utility model is as follows:

a) Placing the antenna to be tested into the positioning groove, so that the antenna is limited;

b) Adjusting the position of the sliding block according to the arrangement of components on the upper surface of the antenna;

c) The cylinder is pushed out, so that the supporting plate descends;

d) The second elastic cushion block on the pressing block is contacted with the antenna to be tested;

e) The cylinder descends continuously for a certain distance, the spring is pressed, the spring deforms, and pressure is applied to the supporting block;

f) The second elastic cushion block deforms and fully contacts with the antenna to be tested, so that pressing and fixing are realized;

g) The first elastic cushion block on the sliding block is contacted with the upper surface of the antenna while avoiding the component, so that the pressing of the middle part is realized;

h) The contact of the antenna is kept in contact with the test circuit board, and the performance of the antenna is observed in the test through the display of an electric signal of the oscilloscope.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims

1. An antenna test fixture, includes base (10), its characterized in that: be provided with locating plate (20) and press device (30) on base (10), be provided with constant head tank (201) on locating plate (20), press device (30) are including backup pad (301) that can reciprocate, just backup pad (301) are located constant head tank (201) top, backup pad (301) are close to still the interval is provided with two pressing piece (302) on one side of constant head tank (201), be provided with on pressing piece (302) and press inclined plane (302 a).

2. The antenna test fixture of claim 1, wherein: the base (10) is further provided with an air cylinder (40), one side, away from the positioning groove (201), of the supporting plate (301) is provided with a guide rod (301 a), the output end of the air cylinder (40) is provided with a sleeve (401), the sleeve (401) is in sliding connection with the guide rod (301 a), and the outer wall of the sleeve (401) is sleeved with a spring (50).

3. An antenna testing jig according to claim 1 or 2, wherein: the support plate (301) is close to a side face of the positioning groove (201) and is further provided with a sliding groove (301 b), a sliding block (303) is arranged in the sliding groove (301 b) in a sliding mode, and a first elastic cushion block (303 a) is fixedly arranged at the end portion of the sliding block (303).

4. The antenna test fixture of claim 3, wherein: the pressing inclined surface (302 a) is fixedly provided with a second elastic cushion block (302 b).

5. The antenna test fixture of claim 4, wherein: the width of the positioning groove (201) is not smaller than the distance between the sides of the two pressing blocks (302) which are far away from each other.

6. An antenna test device, characterized by comprising the antenna test jig according to any one of claims 1 to 5.