CN219799552U - Testing clamp for annular device - Google Patents

Abstract

The utility model relates to a testing fixture for a circulator, which comprises a circulator body, and also comprises a testing base, a plurality of connectors and FPC boards, wherein the connectors are fixed on the periphery of the testing base through bolts, the FPC boards are arranged on the table top of the testing base, the outer sides of the FPC boards are in lap joint with leads of the connectors so as to be electrically connected, the circulator body is placed on the table top of the testing base, pin clamps made of metal are arranged on the inner sides of the FPC boards, the pin clamps are fixed on the table top of the testing base through bolts, and pins of the circulator body are electrically connected with the FPC boards through the pin clamps. The pins of the circulator body are clamped by the pin clamps, so that the circulator body is well electrically connected with the FPC board, a vertical downward acting force is not required to be applied to the circulator body externally, the use and storage are more convenient, the FPC board is adopted to replace an original circuit board, the FPC board is flexible and can be freely bent, the circulator body with different models can be adapted, the fixture is not required to be manufactured for the circulator body with each model, and the adaptability is better.

Description

Testing clamp for annular device

Technical Field

The utility model relates to the technical field of test fixtures, in particular to a test fixture for an annular device.

Background

With the continuous development of communication technology, reliability of communication has become an increasingly important issue. In the communication field, a microwave circulator is often required to convert signals, and the device has the characteristics of miniaturization, easiness in integration and the like; the frequency is mainly applicable to 5-40 GHz; reverse absorbed power is typically no more than 2W (average) with power typically no more than 20W (peak); and the power of the external load in a microstrip form is improved to 50W, so that the use is very flexible. When the microwave circulator is assembled, the electrical performance of the microwave circulator needs to be tested, the existing test fixture is generally directly placed on the base, and is externally connected with test equipment after being communicated with the connector through the circuit board, but when the microwave circulator is tested, in order to enable pins of the circulator to be in good contact with the circuit board, a certain pressure needs to be applied to the circulator by using a pressing component or in a manual mode, the manual operation is complex, the pressure leakage is easy, the integrated pressing component increases the volume of the fixture, and the management is inconvenient, so that the improvement is needed.

Disclosure of Invention

Based on this, it is necessary to provide a test jig for a ring in view of the above-described problems.

The testing fixture for the circulator comprises a circulator body, and further comprises a testing base, a plurality of connectors and FPC boards, wherein the connectors are fixed on the periphery of the testing base through bolts, the FPC boards are mounted on the table top of the testing base, the outer sides of the FPC boards are connected with leads of the connectors in a lap joint mode and then electrically, the circulator body is placed on the table top of the testing base, pin clamps made of metal are arranged on the inner sides of the FPC boards, the pin clamps are fixed on the table top of the testing base through bolts, and pins of the circulator body are electrically connected with the FPC boards through the pin clamps.

Preferably, the pin clamp comprises a bottom plate and two elastic plates, the two elastic plates are arranged on the bottom plate in a mirror symmetry mode, a gap exists between the two elastic plates, and the bottom plate is fixed on the test base through bolts.

Preferably, the adjacent end of the spring plate is downward and bent into an arc shape.

Preferably, the pin clip is made of copper.

Preferably, the testing base table top is provided with a groove for placing the circulator body, the edge of the groove is provided with a notch, and pins of the circulator body extend out of the notch and are clamped with the pin clamp.

The utility model has the advantages that: the pins of the circulator body are clamped by the pin clamps, so that the circulator body is well electrically connected with the FPC board, a vertical downward acting force is not required to be applied to the circulator body externally, the use and storage are more convenient, the FPC board is adopted to replace an original circuit board, the FPC board is flexible and can be freely bent, the circulator body with different models can be adapted, the fixture is not required to be manufactured for the circulator body with each model, and the adaptability is better.

Drawings

FIG. 1 is a schematic perspective view of a test fixture for a ring according to one embodiment;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is a schematic top view of a test fixture for a ring.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, the testing fixture for the circulator comprises a circulator body 100, and further comprises a testing base 1, a plurality of connectors 2 and an FPC board 3, wherein the connectors 2 are fixed on the periphery of the testing base 1 through bolts, the FPC board 3 is installed on the table top of the testing base 1, the outer side of the FPC board 3 is connected with the lead wires of the connectors 2 in a lap joint mode and then electrically connected, the circulator body 100 is placed on the table top of the testing base 1, a pin clamp 4 made of metal is arranged on the inner side of the FPC board 3, the pin clamp 4 is fixed on the table top of the testing base 1 through bolts, and pins of the circulator body 100 are electrically connected with the FPC board 3 through the pin clamp 4. Specifically, during testing, an operator correspondingly places the circulator body 1 on the test base 1, pins of the circulator body 100 naturally extend out, electric connection is completed through the pin clamp 4 and the FPC board 3, the pin clamp 4 is fixed on the test base 1, pins of the circulator body 100 are limited by the pin clamp 4, a vertical acting force is not required to be applied to the circulator body 100, good electric connection performance between the pins of the circulator body 100 and the FPC board 3 can be ensured, poor contact is prevented, and test result errors are caused. Meanwhile, the applicant uses the FPB board 3 to replace the original circuit board in the utility model, the FPC board 3 is soft and can be bent, the bending amplitude can be freely adjusted according to the model of the circulator body 100, for example, when the diameter of the circulator body 100 is reduced, an operator can straighten the bent FPC board 3 and detach the pin clamp 4 at the same time, and the pin position of the circulator body 100 is fixed again according to the current position of the pin of the circulator body 100, so that the inner side of the FPC board 3 can be electrically connected with the pin of the circulator body 100 without replacing the whole clamp, and the circulator has simple structure and better suitability. In the utility model, the pin clamp 4 is made of copper, and has good conductivity and low resistance.

As shown in fig. 2, the pin holder 4 includes a bottom plate 41 and two elastic plates 42, the two elastic plates 42 are disposed on the bottom plate 41 in a mirror symmetry manner, a gap exists between the two elastic plates 42, and the bottom plate 41 is fixed on the test base 1 by bolts. Specifically, during the use, two shell fragments 42 are squeezed out to the pin of circulator body 100 to pass from the clearance between two shell fragments 42, then by two shell fragments 42 dependence self elasticity, the crimping is on film 41, make the pin of circulator body 100 be connected well with FPC board 3 electricity, need not outside to exert a perpendicular effort to circulator body 100, make its inseparable butt with FPC board 3, this design simple structure has very strong practicality.

As shown in fig. 2, the adjacent ends of the spring plates 42 are disposed downward and bent into an arc shape, so that when the pins of the circulator body 100 pass in and out from between the two spring plates 42, the pins are prevented from being scratched by the ends of the spring plates 42, and the opposite ends of the spring plates face downward, so that sufficient pressure can be provided for compressing the pins.

As shown in fig. 1 to 3, a groove 11 for placing the circulator body 100 is provided on the table top of the test base 1, a notch 12 is provided at the edge of the groove 11, and pins of the circulator body 100 extend from the notch 12 and are clamped with the pin clamp 4. Specifically, the groove 11 is used for positioning the placement position of the circulator body 100, and the notch 12 plays a role in avoiding, so that the pins of the circulator body 100 can be conveniently stretched out.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (5)

1. The testing jig for the circulator comprises a circulator body and is characterized in that: the testing device is characterized by further comprising a testing base, a plurality of connectors and an FPC board, wherein the connectors are fixed on the periphery of the testing base through bolts, the FPC board is mounted on a table top of the testing base, the outer side of the FPC board is connected with leads of the connectors in a lap joint mode so as to be electrically connected, the circulator body is placed on the table top of the testing base, pin clamps made of metal are arranged on the inner side of the FPC board, the pin clamps are fixed on the table top of the testing base through bolts, and pins of the circulator body are electrically connected with the FPC board through the pin clamps.

2. The test fixture for a ring as claimed in claim 1, wherein: the pin clamp comprises a bottom plate and two elastic plates, wherein the two elastic plates are arranged on the bottom plate in a mirror symmetry mode, a gap exists between the two elastic plates, and the bottom plate is fixed on the test base through bolts.

3. The test fixture for a ring as claimed in claim 2, wherein: the adjacent end of the elastic sheet is downward and bent into an arc shape.

4. A test fixture for a ring as claimed in claim 1 or 3, wherein: the pin clamp is made of copper.

5. The test fixture for a ring as claimed in claim 1, wherein: the testing base table top is provided with a groove for placing the circulator body, the edge of the groove is provided with a notch, and pins of the circulator body extend out of the notch and are clamped with the pin clamp.