CN215641415U

CN215641415U - Multifunctional three-dimensional test fixture applied to microwave assembly

Info

Publication number: CN215641415U
Application number: CN202122308126.3U
Authority: CN
Inventors: 黎英; 王攀松; 孙科; 史亮; 倪晓文
Original assignee: Chengdu Seekcon Microwave Communication Co ltd
Current assignee: Chengdu Seekcon Microwave Communication Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-01-25
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a multifunctional three-dimensional test fixture applied to a microwave assembly, which comprises a fixture top module, a left supporting leg and a right base, wherein the fixture top module is provided with a first supporting leg and a second supporting leg; wherein, left part supporting leg, anchor clamps top module and right part base connect gradually. The test fixture has the characteristics of high test efficiency, convenience in operation and three-dimensional design, has good working stability and high working efficiency when testing components in actual batch engineering tests, and has wide application prospect.

Description

Multifunctional three-dimensional test fixture applied to microwave assembly

Technical Field

The utility model belongs to the technical field of microwave communication product testing, and particularly relates to a multifunctional three-dimensional testing clamp applied to a microwave assembly.

Background

Microwave assemblies are core components of radar, communication, electronic countermeasure and other systems, and the realization of the functions of many modern electronic devices and systems directly depends on the performance of traditional microwave assemblies.

The microwave product has a wide frequency range from intermediate frequency, radio frequency to millimeter wave, and the product types include frequency conversion components, channel components, T/R components, frequency source components, etc., and the microwave product has a wide application range, including communication systems, navigation systems, radars, space electronics, instruments and meters, which require the application of traditional microwave products, and the performance indexes of the microwave product directly affect the performance indexes of the whole microwave product. In China, at the early stage of radar product development, research institutes begin to carry out research work on microwave products and obtain certain results, but several research institutes of early research are not insisted on due to great technical difficulty and other reasons. Along with the engineering requirements of the complete machine research institutes in China, each research institute has established a research team. Although the technology of the traditional microwave products has become mature after years of struggle of these development teams, the technology still has great difference from foreign levels, and the main development direction of the microwave products is miniaturization.

Under the trend of miniaturization of the whole radar system, more and more microwave products are integrated into an independent functional unit from an independent appearance; the traditional microwave circuit is developed from a plane cascade to a three-dimensional stacking technology, and along with the batch application of microwave products, the problems of difficult batch test, large workload and low efficiency are encountered in the batch test process, because the types of the microwave products are five-door and eight-door, the power-on relation is various, and the unification is difficult to achieve fundamentally, and for a single product, a simple test device can be designed to test, the universal test requirement can be met, but for a miniaturized module which needs to be subjected to three-dimensional test, the simple test device can not meet the use requirement.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the multifunctional three-dimensional test fixture applied to the microwave assembly solves the problems of low test efficiency and inconvenient operation of the test fixture.

In order to achieve the purpose of the utility model, the utility model adopts the technical scheme that: a multifunctional three-dimensional test fixture applied to a microwave assembly comprises a fixture top module, a left supporting leg and a right base; wherein, left part supporting leg, anchor clamps top module and right part base connect gradually.

Further: the multifunctional three-dimensional test fixture further comprises a first cable;

the left supporting leg is arranged in a hollow mode, and the first cable penetrates through the space formed by the hollow of the left supporting leg and is connected with the SMA seat at the bottom of the top module of the clamp.

The beneficial effects of the further scheme are as follows: the left supporting leg can be arranged in a mode that the cable is prevented from being broken.

Further: a regular octagonal groove and a round bottom hollow structure are embedded in the clamp top module;

the upper surface of the regular octagonal groove is flush with the upper surface of the clamp top module, and the circular bottom hollow structure is arranged below the regular octagonal groove.

The beneficial effects of the further scheme are as follows: the grooves and the hollow structures of the clamp top module can reduce the abrasion of a product to be tested.

Further: the clamp top module is provided with a positioning pin module which comprises a first positioning pin and a second positioning pin; the first positioning pin is arranged at the upper left position of the clamp top module, the second positioning pin is arranged at the lower right position of the clamp top module, and a connecting line of the first positioning pin and the second positioning pin passes through the central point of the regular octagonal groove.

The beneficial effects of the further scheme are as follows: the locating pin module can fix the product to be tested, and abrasion of the product to be tested is avoided.

Further: the multifunctional three-dimensional test fixture further comprises a second cable;

the regular octagonal groove is matched with the positioning pin module to fix a product to be tested, and the second cable penetrates through the space of the round bottom hollow structure to be connected with the product to be tested and the SAM seat of the clamp top module respectively.

Further: the right base is arranged in an arc-shaped chamfer angle structure.

The beneficial effects of the further scheme are as follows: the right part base can increase the weight of test fixture, and test fixture makes a round trip to move when preventing the product that awaits measuring.

The utility model has the beneficial effects that:

(1) the test fixture disclosed by the utility model adopts a three-dimensional design concept, meets the three-dimensional design requirement, and can be expanded and applied to the microwave assembly with the characteristics of three-dimensional and miniaturization compared with the traditional microwave assembly test fixture, so that the application range of the test fixture is expanded;

(2) all parts of the utility model are produced by adopting an advanced machining process, the circuit size is greatly reduced, the processing precision is improved, the utility model has the characteristics of stable performance, high consistency and the like, is suitable for batch production, greatly reduces the production cost, and is suitable for various microwave assemblies such as radars, electronic countermeasure, satellite communication and the like.

(3) The test fixture can be expanded and applied to the test of similar microwave product components with high integration level, and the multifunctional component can help solve the problem that most SIP integrated components are difficult to test at present through expansion and application.

Drawings

FIG. 1 is a block diagram of the present invention with a test product installed;

FIG. 2 is a block diagram of the test fixture of the present invention;

wherein: 1. a clamp top module; 2. a left support leg; 3. a right base; 4. a product to be tested; 5. a first cable; 6. a second cable; 7. a regular octagonal groove; 8. a round bottom hollow structure; 9. a first positioning pin; 10. and a second positioning pin.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model as defined and defined in the appended claims, and all changes that come within the meaning and range of equivalency of the claims are to be embraced therein.

As shown in fig. 1, in one embodiment of the present invention, a multifunctional three-dimensional test fixture for use in a microwave assembly comprises a fixture top module 1, a left support leg 2 and a right base 3; wherein, left part supporting leg 2, anchor clamps top module 1 and right part base 3 connect gradually.

The clamp top module 1 is used for fixing a product 4 to be tested, and the left supporting leg 2 and the right base 3 are both used for supporting the clamp top module 1.

The multifunctional three-dimensional test fixture further comprises a first cable 5, the left supporting leg 2 is arranged in a hollow mode, and the first cable 5 penetrates through the space formed by the hollow-out of the left supporting leg 2 and is connected with the SMA seat at the bottom of the fixture top module 1.

Such fretwork setting can avoid first cable 5 to be broken, and its setting height also can prevent wearing and tearing and serious deformation that first cable 5 long-term use caused.

As shown in fig. 2, in one embodiment of the present invention, the fixture top module 1 is embedded with a regular octagonal groove 7 and a circular bottom hollow structure 8;

wherein, the upper surface of regular octagon recess 7 with the upper surface of anchor clamps top module 1 flushes, circular bottom hollow out construction 8 set up in regular octagon recess 7's below.

The regular octagonal groove 7 is arranged to fit the product 4 to be detected, and the diameter of the regular octagonal groove is larger than that of the product 4 to be detected; the periphery of the round bottom hollow structure 8 is wider than the periphery of the product 4 to be measured, and the height of the round bottom hollow structure is lower than the height of the product 4 to be measured, so that the product 4 to be measured is prevented from being worn and is convenient and easy to place.

The clamp top module 1 is provided with a positioning pin module which comprises a first positioning pin 9 and a second positioning pin 10; the first positioning pin 9 is arranged at the upper left position of the clamp top module 1, the second positioning pin 10 is arranged at the lower right position of the clamp top module 1, and a connecting line of the first positioning pin 9 and the second positioning pin 10 passes through the central point of the regular octagonal groove 7.

The multifunctional three-dimensional test fixture further comprises a second cable 6, the regular octagonal groove 7 is matched with the positioning pin module to fix the product 4 to be tested, and the second cable 6 penetrates through the space of the round bottom hollow structure 8 and is respectively connected with the SAM seats of the product 4 to be tested and the fixture top module 1.

The right base 3 is arranged in an arc-shaped chamfer angle structure. Can increase that anchor clamps are firm, weight, test fixture can not make a round trip to move when the tester uses, and the right hand of tester is conveniently supported in the arc design of right part base 3, reduces personnel's fatigue degree, and fish tail in the use has also been avoided to such arc structure.

The working process of the utility model is as follows: anchor clamps top module 1 is used for fixing the product 4 that awaits measuring, and use first cable 5 to pass through the hollow out construction of left part supporting leg 2, connect the SAM seat of 1 bottom of anchor clamps top module, second cable 6 loops through regular octagon recess 7 and the space of circular bottom hollow out construction 8, connect the SAM seat at 1 top of anchor clamps top module and the product 4 that awaits measuring respectively, when the product 4 that awaits measuring, first cable 5 and second cable 6 are fixed the back, add the electric test through first cable 5 and second cable 6, accomplish the test of multi-functional three-dimensional test fixture to the product 4 that awaits measuring.

The utility model has the beneficial effects that: the test fixture disclosed by the utility model adopts a three-dimensional design concept, meets the three-dimensional design requirement, and can be expanded and applied to the microwave assembly with the characteristics of three-dimensional and miniaturization compared with the traditional microwave assembly test fixture, so that the application range of the test fixture is expanded;

all parts of the utility model are produced by adopting an advanced machining process, the circuit size is greatly reduced, the processing precision is improved, the utility model has the characteristics of stable performance, high consistency and the like, is suitable for batch production, greatly reduces the production cost, and is suitable for various microwave assemblies such as radars, electronic countermeasure, satellite communication and the like.

The test fixture can be expanded and applied to the test of similar microwave product components with high integration level, and the multifunctional component can help solve the problem that most SIP integrated components are difficult to test at present through expansion and application.

In the description of the present invention, it is to be understood that the terms "center", "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "radial", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or an implicit indication of the number of technical features. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.

Claims

1. A multifunctional three-dimensional test fixture applied to a microwave assembly is characterized by comprising a fixture top module (1), a left supporting leg (2) and a right base (3); wherein, the left supporting leg (2), the clamp top module (1) and the right base (3) are connected in sequence.

2. A multi-functional stereoscopic test fixture for use in a microwave assembly according to claim 1, characterized in that the multi-functional stereoscopic test fixture further comprises a first cable (5);

the left supporting leg (2) is arranged in a hollow mode, and the first cable (5) penetrates through the space formed by the hollow of the left supporting leg (2) and is connected with the SMA seat at the bottom of the fixture top module (1).

3. The multifunctional three-dimensional test fixture for application in microwave assemblies according to claim 1, characterized in that the fixture top module (1) is embedded with regular octagonal grooves (7) and circular bottom hollowed-out structures (8);

wherein, the upper surface of regular octagon recess (7) with the upper surface of anchor clamps top module (1) flushes, circular bottom hollow out construction (8) set up in the below of regular octagon recess (7).

4. A multifunctional three-dimensional test fixture for use in microwave assemblies according to claim 3, characterized in that the fixture top module (1) is provided with a positioning pin module comprising a first positioning pin (9) and a second positioning pin (10); the first positioning pin (9) is arranged at the upper left position of the clamp top module (1), the second positioning pin (10) is arranged at the lower right position of the clamp top module (1), and a connecting line of the first positioning pin (9) and the second positioning pin (10) passes through the central point of the regular octagonal groove (7).

5. A multi-functional stereoscopic test fixture for use in a microwave assembly according to claim 4, characterized in that it further comprises a second cable (6);

regular octagon recess (7) cooperation the fixed product (4) that awaits measuring of locating pin module, second cable (6) pass the space of circular bottom hollow out construction (8) respectively with the SAM seat of the product (4) that awaits measuring and anchor clamps top module (1) is connected.

6. The multifunctional three-dimensional test fixture applied in microwave assemblies according to claim 1, characterized in that the right base (3) is arranged in an arc-shaped chamfer structure.