CN210550674U - Microwave power module test fixture - Google Patents

Abstract

The utility model discloses a microwave power module test fixture, which comprises a bracket, be equipped with test seat and briquetting on the support, set up the recess that is used for placing microwave power module on the test seat, direct current insulator draws a mouthful electrical property in input and output pin and the recess of microwave power module and links to each other, still be equipped with radio frequency connector, ground pile on the test seat and be used for interconnecting link's DC power supply port, be provided with the PCB board that is used for control scheme between test seat both sides and the recess, the briquetting is upper and lower slidable briquetting, locates the top of test seat perpendicularly for withstand microwave power module ring flange and input and output pin. The utility model discloses a miniaturized design can easily adapt to and require efficient microwave power module batch test environment, can the high-power module's of ideal reply quick test to only need when changing other products change the test seat of bottom can.

Description

Microwave power module test fixture

Technical Field

The utility model relates to a microwave module field of making especially relates to a microwave power module test fixture.

Background

The same problem is encountered in the microwave chip manufacturing industry, namely the difficult problems of complex disassembly and assembly, low efficiency, poor heat dissipation and high-frequency impedance mismatch during the test of a high-power and high-frequency microwave module. In order to solve this difficult problem for the test of microwave module circuit becomes simpler and accurate reliable, for this reason, the utility model provides a test fixture of microwave power module.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a microwave power module test fixture to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a microwave power module test fixture comprises a support, a test seat and a press block, wherein a groove for placing a microwave power module is formed in the center of the test seat, an input pin and an output pin of the microwave power module are electrically connected with a direct current insulator lead port on the inner side of the groove, a radio frequency connector, a grounding pile and a DC power supply port for connecting a circuit are respectively arranged on the left side and the right side of the test seat, a PCB for controlling the circuit is arranged between the two sides of the test seat and the groove, the circuit connected with the DC power supply port is printed on the PCB, and the test seat is fixed on the support through screws;

the briquetting is the briquetting that can slide from top to bottom, locates the top of test seat perpendicularly for withstand microwave power module's input pin, output pin and flange dish.

Preferably, the groove is used for placing the microwave power module, and a material device for heat conduction of the microwave power module is padded in the groove.

Preferably, pin pressing blocks are arranged on two sides of the bottom surface of the pressing block and used for propping against input pins and output pins of the microwave power module, the parts of the pin pressing blocks, which are contacted with the input pins and the output pins of the microwave power module, are made of insulating materials, and the pin pressing blocks are of a telescopic structure.

Preferably, two clamping grooves are formed in the top of the pressing block, the top of the pin pressing block is arranged on the bottom surface of the clamping grooves, two springs used for a telescopic structure are arranged on the pin pressing block, and the springs are arranged in the clamping grooves.

Preferably, the two sides of the bottom surface of the pressing block are provided with flange pressing blocks used for propping against a flange plate of the microwave power module.

Preferably, the pressing block is fixedly connected with the lower end of the pneumatic device.

Preferably, the pneumatic device comprises a pneumatic execution unit and a pneumatic cylinder, the top of the pneumatic execution unit is fixedly connected with the pneumatic cylinder through a telescopic structure, the back of the pneumatic execution unit is fixedly connected with a sliding block, the sliding block is slidably connected with a sliding rail, the sliding rail is fixedly arranged on the support, and the pneumatic device drives the sliding block to slide up and down.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model adopts the structural design of the metal main body, can easily adapt to the complex and changeable microwave power module test environment, and can ideally deal with the rapid test of the high-power module; in the microwave power module test, the test device is a good research and development tool for designers; the PCB of the pressing block and the test seat can be replaced at any time if the PCB is worn in daily use, and the PCB is simple and convenient to disassemble and assemble, so that the test cost is reduced, and the test accuracy and reliability are improved; the pressing block is pressed and contracted by combining the pneumatic mechanism and the sliding block mechanism, the dismounting is convenient, the lifting is simple, and the operation efficiency is greatly improved.

Adopt the utility model discloses an anchor clamps can carry out direct current parameter test, radio frequency power index test to microwave power module before test accuracy and reliability test back, have efficient, the precision is high, compatible good, heat dispersion is good, and operating frequency is high, is fit for characteristics such as batch production.

The utility model discloses be particularly useful for microwave power module's debugging, if need change different products in its test procedure, only need with the test seat change can, four screws of fixed test seat lift off just can be light convenient change different test seats and products, start test task fast.

The utility model adopts the design of miniaturization as much as possible, can easily adapt to the batch test environment of the microwave power module requiring high efficiency, and can ideally deal with the rapid test of the high-power module; and when other products are replaced, only the test seat at the bottom needs to be replaced, so that the test cost is reduced, and the test accuracy and efficiency are improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the test socket of the present invention;

FIG. 3 is a front view of the test socket of the present invention;

fig. 4 is a top view of the test socket of the present invention;

fig. 5 is a side view of the test socket of the present invention;

FIG. 6 is a schematic view of the structure of the pressing block of the present invention;

fig. 7 is a schematic structural diagram of a microwave power module.

In the figure: the test device comprises a support 1, a test seat 2, a groove 21, a radio frequency connector 22, a grounding pile 23, a 24DC power supply port, a 25PCB, a 3 pressing block, a 31-pin pressing block, a 32 clamping groove, a 33 spring, a 34 flange pressing block, a 4 microwave power module, a 41 input pin, a 42 output pin, a 43 flange plate, a 5 pneumatic device, a 51 pneumatic execution unit, a 52 pneumatic cylinder, a 6 sliding block and a 7 sliding rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution:

a microwave power module test fixture comprises a support 1, wherein the support 1 is used as a bearing structure, the bracket 1 is provided with a test seat 2 and a pressing block 3, the central part of the test seat 2 is provided with a groove 21 for placing the microwave power module 4, the input pin 41 and the output pin 42 of the microwave power module 4 are electrically connected with the direct current insulator lead-out port on the upper part in the groove 21, a material device for heat conduction of the microwave power module 4 is padded in the groove 21, the left side and the right side of the test seat 2 are respectively provided with a radio frequency connector 22, a grounding pile 23 and a DC power supply port 24 for connecting a circuit, a PCB board 25 for control circuit is arranged between the two sides of the test socket 2 and the groove 21, the circuit connected with the DC power supply port 24 is printed on a PCB (printed Circuit Board) 25, and the test base 2 is fixed on the U-shaped bearing frame on the support 1 through a screw;

the pressing block 3 is a pressing block capable of sliding up and down, is vertically arranged above the test seat 2 and is used for propping against an input pin 41, an output pin 42 and a flange 43 of the microwave power module 4, pin pressing blocks 31 are arranged on two sides of the bottom surface of the pressing block 3 and are used for propping against the input pin 41 and the output pin 42 of the microwave power module 4, the parts of the pin pressing blocks 31 contacting the input pin 41 and the output pin 42 of the microwave power module 4 are made of insulating materials, the pin pressing blocks 31 are of a telescopic structure, two clamping grooves 32 are formed in the top of the pressing block 3, the top of the pin pressing blocks 31 is arranged on the bottom surface of the clamping grooves 32, two springs 33 used for the telescopic structure are arranged on the pin pressing blocks 31, the springs 33 are arranged in the clamping grooves 32, and the flange pressing blocks 34 are arranged on two sides of the bottom surface of;

the lower end of the pressing block 3 is fixedly connected with the lower end of the pneumatic device 5, the pneumatic device 5 comprises a pneumatic execution unit 51 and a pneumatic cylinder 52, the top of the pneumatic execution unit 51 is fixedly connected with the pneumatic cylinder 52 through a telescopic structure, the back of the pneumatic execution unit 51 is fixedly connected with a sliding block 6, the sliding block 6 is slidably connected with a sliding rail 7, the sliding rail 7 is fixedly arranged on the support 1, and the pneumatic device 5 drives the sliding block 6 to slide up and down.

The using method comprises the following steps: when the test is carried out, the pneumatic switch is shifted, the pressing block is lifted, the manufactured microwave power module is placed on the groove in the center of the test seat, the pneumatic switch is shifted after the microwave power module is placed in the groove, the pneumatic mechanism pushes the pressing block to downwards abut against the input pin, the output pin and the flange plate of the microwave power module, so that the lead of the microwave power module is respectively communicated with the input end and the output end of the PCB, the direct-current insulator pin of the test seat is connected to the power supply port of the chip, corresponding bias conditions are provided, the equipment is connected, and the test is started.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a microwave power module test fixture, includes support (1), its characterized in that: the testing device is characterized by further comprising a testing seat (2) and a pressing block (3), a groove (21) for placing a microwave power module (4) is formed in the center of the testing seat (2), an input pin (41) and an output pin (42) of the microwave power module (4) are electrically connected with an upper direct current insulator lead port in the groove (21), a radio frequency connector (22), a grounding pile (23) and a DC power supply port (24) for connecting a circuit are respectively arranged on the left side and the right side of the testing seat (2), a PCB (25) for controlling the circuit is arranged between the two sides of the testing seat (2) and the groove (21), the circuit connected with the DC power supply port (24) is printed on the PCB (25), and the testing seat (2) is fixed on the support (1) through screws;

the pressing block (3) is a pressing block capable of sliding up and down, is vertically arranged above the test seat (2), and is used for propping against an input pin (41), an output pin (42) and a flange (43) of the microwave power module (4).

2. A microwave power module test fixture as defined in claim 1, wherein: the groove (21) is used for placing the microwave power module (4), and a material device for conducting heat of the microwave power module (4) is padded in the groove (21).

3. A microwave power module test fixture as defined in claim 1, wherein: the microwave power module is characterized in that pin pressing blocks (31) are arranged on two sides of the bottom surface of the pressing block (3) and used for propping against input pins (41) and output pins (42) of the microwave power module (4), the positions, contacting the input pins (41) and the output pins (42) of the microwave power module (4), of the pin pressing blocks (31) are made of insulating materials, and the pin pressing blocks (31) are of a telescopic structure.

4. A microwave power module test fixture as defined in claim 3, wherein: two clamping grooves (32) are formed in the top of the pressing block (3), the top of the pin pressing block (31) is arranged on the bottom surface of each clamping groove (32), two springs (33) used for a telescopic structure are arranged on the pin pressing block (31), and the springs (33) are arranged in the clamping grooves (32).

5. A microwave power module test fixture as defined in claim 1, wherein: and flange press blocks (34) are arranged on two sides of the bottom surface of the press block (3) and are used for propping against flange plates (43) of the microwave power module (4).

6. A microwave power module test fixture as defined in claim 1, wherein: the pressing block (3) is fixedly connected with the lower end of the pneumatic device (5).

7. A microwave power module test fixture in accordance with claim 6, wherein: pneumatic means (5) are including pneumatic execution unit (51) and pneumatic cylinder (52), but through extending structure fixed connection between pneumatic execution unit (51) top and pneumatic cylinder (52), pneumatic execution unit (51) back and slider (6) fixed connection, slider (6) and slide rail (7) sliding connection, slide rail (7) are fixed to be set up on support (1), pneumatic means (5) drive slider (6) and slide from top to bottom.

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