CN220473585U

CN220473585U - Frequency conversion module test fixture

Info

Publication number: CN220473585U
Application number: CN202322038463.4U
Authority: CN
Inventors: 毛智德
Original assignee: Zhixin Weiyuan Electronic Technology Suzhou Co ltd
Current assignee: Zhixin Weiyuan Electronic Technology Suzhou Co ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-02-09
Anticipated expiration: 2033-08-01

Abstract

The utility model relates to the technical field of frequency conversion module test fixtures, in particular to a frequency conversion module test fixture, which comprises a bottom plate, wherein a base is arranged at the top of the bottom plate, a PCB (printed circuit board) is arranged at the top of the base, microstrip lines are arranged at the top of the PCB, a plurality of groups of reeds are arranged at the top of the microstrip lines and are electrically connected with the microstrip lines, connectors are arranged at two sides of the base, and the connectors are electrically connected with the reeds through the microstrip lines, and the frequency conversion module test fixture is characterized in that: locating frames are arranged on two sides of the top of the bottom plate, clamping mechanisms are connected between the locating frames on two sides in a sliding mode through adjusting mechanisms, and each clamping mechanism comprises two groups of movable seats; the utility model has simple structure and convenient operation, so that a worker can clamp and fix the variable frequency modules with different sizes and lengths, thereby facilitating detection operation and improving practicability.

Description

Frequency conversion module test fixture

Technical Field

The utility model relates to the technical field of frequency conversion module testing fixtures, in particular to a frequency conversion module testing fixture.

Background

With the development of microwave technology, the frequency conversion module is smaller and smaller in size, the integration trend is more and more obvious, the channels of the multichannel frequency conversion module are more and more, the interfaces of the frequency conversion module are distributed on different surfaces, the simultaneous test is complicated, the existing test fixture only considers the test requirement of a single test interface, the microwave parameters of the frequency conversion module cannot be accurately extracted, when the microstrip circuit and the golden wire ball are adopted for test extraction, the tested product cannot be reused and sold, if a briquetting or a pressing rod with a low dielectric constant is adopted, the pins of the frequency conversion module are well pressed with the microstrip circuit for test, and the test accuracy and stability of the method are very poor, so that the method has quite limitations.

In order to solve the technical problem, the Chinese patent with the bulletin number of CN216926870U in the prior art discloses a test fixture of a frequency conversion module, the test fixture comprises a bottom plate, a test seat and a pressing plate assembly, the test seat is installed on the bottom plate, the upper end surface of the test seat is provided with a PCB (printed circuit board), the upper end surface of the PCB is provided with a microstrip line and a reed, the reed is electrically connected with the microstrip line, the pressing plate assembly comprises a fixing frame, a pressing plate and a pressing block, the fixing frame is detachably installed on the bottom plate, the pressing block is movably installed in the fixing frame, the pressing block is located right above the test seat and is movably abutted with the test seat, the pressing plate is movably installed on one side of the fixing frame, which is away from the test seat, and the pressing plate is connected with the pressing block.

According to the technical scheme, although the non-welding test of the frequency conversion module to be tested is realized, the frequency conversion module is placed into the groove which is formed in advance during the test, the size of the groove is fixed, and therefore the frequency conversion modules with different sizes cannot be subjected to the fixed test, and the practicability is affected.

Disclosure of Invention

The utility model aims to provide a frequency conversion module testing fixture, which is used for solving the problems that the frequency conversion modules are put into grooves which are formed in advance during testing and the sizes of the grooves are fixed, so that the frequency conversion modules with different sizes cannot be fixedly tested, and the practicability is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a frequency conversion module test fixture, includes the bottom plate, the base is installed at the bottom plate top, the PCB board is installed on the base top, the microstrip line is installed on the PCB board top, the multiunit reed is installed on the microstrip line top range, reed and microstrip line electric connection, the connector is all installed to the base both sides, the connector passes through microstrip line and reed electric connection, its characterized in that: locating racks are all installed to bottom plate top both sides, both sides have fixture through adjustment mechanism sliding connection between the locating racks, fixture includes two sets of removal seat, two sets of remove seat sliding connection respectively in both sides locating rack inboard, both sides remove seat top one side and all install the fixed block, both ends rotate between the fixed block and be connected with first threaded rod, the equal threaded connection in first threaded rod outside both ends has the grip block, the grip block with remove the grip block that the seat block was connected is installed to the other end of grip block, first knob is installed to the one end that first threaded rod runs through the fixed block.

As a preferable scheme of the utility model, a fixing frame is arranged on one side of the fixing block on both sides, a sliding groove is formed in the bottom end of the inner side of the fixing frame, and sliding blocks which are in sliding connection with the sliding groove are arranged on the top ends of the clamping blocks on both sides.

As a preferred embodiment of the present utility model, the left side of the center of the first threaded rod is opposite to the threads with the right side.

As a preferable scheme of the utility model, rubber pads are arranged on opposite surfaces of the clamping plates at two sides.

As a preferable scheme of the utility model, the adjusting mechanism comprises a second threaded rod, one ends of the inner sides of the positioning frames at two ends are respectively provided with a movable groove, the second threaded rod is rotatably connected to the inner side of one movable groove, one group of movable seats is provided with a first movable block in threaded connection with the second threaded rod, the first movable block is in sliding connection with one side of the movable seat, one group of movable seats is provided with a second movable block in sliding connection with the movable groove, one side of the movable seat is provided with a second knob, and the top end of the movable seat is rotatably connected with the second knob which extends to the inner side of one side of the movable groove and is fixedly connected with the second threaded rod.

As a preferable scheme of the utility model, one side of the movable seat at two ends is connected with a baffle through a bolt thread, and the top surface of the baffle is a certain distance away from the bottom surfaces of the movable seats at two ends.

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

1. according to the utility model, the frequency conversion module is placed at the top end of the baffle, the first knob is twisted to drive the first threaded rod to rotate, and the left side and the right side of the first threaded rod are opposite in threads, so that the clamping blocks at the two ends can be matched with the fixing frame, the sliding groove and the sliding block to drive the clamping plate and the rubber pad to move in the same direction, the frequency conversion module on the baffle is clamped and positioned, the rubber pad plays a role of a protection pad when the clamping plate clamps the frequency conversion module, the baffle can be taken down after clamping is finished, and the bottom surface of the frequency conversion module is lower than the bottom surface of the movable seat due to the fact that the top surface of the baffle has a moving distance from the bottom surface of the movable seat.

2. According to the utility model, the second knob is rotated to drive the second threaded rod to rotate and match with the first movable block, the second movable block and the movable groove to drive the two side movable seats to simultaneously descend, so that pins at the bottom side of the frequency conversion module are abutted with the reeds, the pins of the frequency conversion module can be connected with the instrument without welding, the test is completed, the radio frequency pins are connected with the microstrip line by the reeds, the impedance matching transmission standard of 50 ohms is satisfied, and the accuracy of the test result is ensured.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a PCB structure of the present utility model;

FIG. 3 is a schematic view of the present utility model in partial cross-section.

In the figure: 1. a bottom plate; 2. a base; 3. a PCB board; 4. a microstrip line; 5. a reed; 6. a connector; 7. a positioning frame; 8. a movable seat; 9. a first threaded rod; 10. a clamping block; 11. a clamping plate; 12. a fixing frame; 13. a sliding block; 14. a second threaded rod; 15. a movable groove; 16. a baffle; 17. and a rubber pad.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Examples:

referring to fig. 1-3, the present utility model provides a technical solution:

the utility model provides a frequency conversion module test fixture, includes bottom plate 1, and base 2 is installed at bottom plate 1 top, and PCB board 3 is installed on base 2 top, and microstrip line 4 is installed on PCB board 3 top, and multiunit reed 5 is installed on the arrangement of microstrip line 4 top, reed 5 and microstrip line 4 electric connection, connector 6 are all installed to base 2 both sides, and connector 6 passes through microstrip line 4 and reed 5 electric connection, its characterized in that: the two sides of the top of the bottom plate 1 are both provided with positioning frames 7, clamping mechanisms are slidably connected between the positioning frames 7 at the two sides through adjusting mechanisms, each clamping mechanism comprises two groups of movable seats 8, each group of movable seats 8 is slidably connected to the inner side of the corresponding positioning frame 7 at the two sides, one side of the top end of each movable seat 8 is provided with a fixed block, each fixed block at the two ends is rotatably connected with a first threaded rod 9, two ends of the outer side of each first threaded rod 9 are respectively and threadedly connected with a clamping block 10, the other end of each clamping block 10 is provided with a clamping plate 11 which is in clamping connection with each movable seat 8, one end of each first threaded rod 9 penetrates through each fixed block to be provided with a first knob, one side of each fixed block at the two sides is provided with a fixed frame 12, the bottom end of the inner side of the fixed frame 12 is provided with a sliding groove, the top ends of each clamping block 10 at the two sides are respectively provided with a sliding block 13 which is slidably connected with the sliding groove, threads on the left side and the right side at the center of each first threaded rod 9 are opposite to those on the left side, rubber pads 17 are arranged on opposite surfaces of the clamping plates 11 on two sides, when the clamp is used, the frequency conversion module can be placed at the top end of the baffle 16, then the first knob is twisted to drive the first threaded rod 9 to rotate, and as the threads on the left side and the right side of the first threaded rod 9 are opposite, the clamping blocks 10 on two ends can be matched with the fixing frame 12, the sliding groove and the sliding block 13 to drive the clamping plates 11 and the rubber pads 17 to move in the same direction, the frequency conversion module on the baffle 16 is clamped and positioned, the rubber pads 17 play a role of a protection pad when the clamping plates 11 clamp the frequency conversion module, after clamping is finished, the baffle 16 can be taken down, and as the top surface of the baffle 16 has a moving distance from the bottom surface of the moving seat 8, the bottom surface of the frequency conversion module is lower than the bottom surface of the moving seat 8, the clamp is simple in structure and convenient to operate, and workers can clamp and fix the frequency conversion modules with different sizes, so as to carry out detection operation and improve the practicability.

In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the adjusting mechanism includes a second threaded rod 14, the movable slots 15 are all opened at one end of the inner side of the positioning frame 7 at two ends, the second threaded rod 14 is rotatably connected at the inner side of the movable slot 15 at one side, a first movable block screwed with the second threaded rod 14 is installed at one side of one group of movable seats 8, the first movable block is slidably connected with the movable slot 15 at one side of the movable seats 15, a second movable block slidably connected with the movable slot 15 is installed at one side of the other group of movable seats 8, the top end of the movable seat 8 is rotatably connected with a second knob, the second knob extends to the inner side of the movable slot 15 at one side and is fixedly connected with the second threaded rod 14, one side of the movable seats 8 at two ends is screwed with a baffle 16 through bolts, the top surface of the baffle 16 is a certain distance from the bottom surface of the movable seat 8 at two ends, the second movable block is driven by rotating the second knob, the movable block at two sides 8 are driven by the movable groove 15 to be simultaneously lowered by the second movable block, the side of the movable seat 8, the pins at the bottom surface of the frequency conversion module are abutted with 5, the pins do not need to be welded, the pins at the bottom of the frequency conversion module are connected with the instrument, the pins and the pins can be tested by using the pins, the pins are accurately matched with the pins, and the test pins are tested by the pins, and the test pins are used to be used for testing the test pins and have 50, and the test result and have the impedance is accurate impedance and can be used, and have 50, and the test, and can be used.

The implementation principle of the frequency conversion module test fixture provided by the embodiment of the application is as follows: this anchor clamps can be when using through putting frequency conversion module on baffle 16 top, twist first knob and drive first threaded rod 9 rotatory afterwards, because of the screw thread on first threaded rod 9 left side is opposite with the right side, make the grip block 10 at both ends can cooperate mount 12, sliding tray and sliding block 13 drive grip block 11 and rubber pad 17 go on syntropy removal, carry out the centre gripping location to frequency conversion module on baffle 16, rubber pad 17 plays the effect of a protection pad when grip block 11 centre gripping frequency conversion module, can take off baffle 16 after the centre gripping finishes, because baffle 16 top surface distance removes seat 8 bottom surface and has the travel distance, make frequency conversion module's bottom surface be less than the bottom surface of moving seat 8, and a structure is simple, and an operation is convenient, make the staff carry out the centre gripping to frequency conversion module of different size length fixed, so as to detect the operation, the practicality is improved, drive second threaded rod 14 rotation cooperation first movable block through rotating second movable block, second movable block and movable slot 15 drive both sides and remove seat 8 simultaneously down, make frequency conversion module bottom surface portion's pin and 5 butt, can be with the reed, the frequency conversion module bottom surface pin and reed 5, can be connected with the test instrument, and the test result is accomplished with the microstrip, the test result is accomplished to the test result is accurate, and the test is 50 is met.

The control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming by a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is used for protecting the mechanical device, so the utility model does not explain the control mode and circuit connection in detail.

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

Claims

1. The utility model provides a frequency conversion module test fixture, includes bottom plate (1), its characterized in that: the base (2) is installed at bottom plate (1) top, PCB board (3) is installed on base (2) top, microstrip line (4) are installed on PCB board (3) top, multiunit reed (5) are installed on microstrip line (4) top range, reed (5) and microstrip line (4) electric connection, connector (6) are all installed to base (2) both sides, connector (6) pass through microstrip line (4) and reed (5) electric connection, its characterized in that: locating racks (7) are all installed to bottom plate (1) top both sides, both sides have fixture through adjustment mechanism sliding connection between locating racks (7), fixture includes two sets of removal seat (8), two sets of remove seat (8) sliding connection respectively in both sides locating racks (7) inboard, both sides remove seat (8) top one side and all install the fixed block, both ends rotate between the fixed block and be connected with first threaded rod (9), the equal threaded connection in first threaded rod (9) outside both ends has grip block (10), grip block (11) are installed with remove seat (8) block connection to the other end of grip block (10), first knob is installed to the one end that first threaded rod (9) runs through the fixed block.

2. The frequency conversion module test fixture of claim 1, wherein: the fixing frame (12) is installed to both sides fixed block one side, the sliding tray has been seted up to the inboard bottom of fixing frame (12), both sides sliding block (13) with sliding tray sliding connection are all installed on the top of grip block (10).

3. The frequency conversion module test fixture of claim 1, wherein: the left side of the center of the first threaded rod (9) is opposite to the threads with the right side.

4. The frequency conversion module test fixture of claim 1, wherein: rubber pads (17) are arranged on opposite surfaces of the clamping plates (11) on two sides.

5. The frequency conversion module test fixture of claim 1, wherein: the adjusting mechanism comprises a second threaded rod (14), movable grooves (15) are formed in one end of the inner side of the positioning frame (7), the second threaded rod (14) is rotationally connected to the inner side of one movable groove (15), one group of the second threaded rod is provided with a first movable block which is in threaded connection with the second threaded rod (14) on one side of the movable seat (8), the first movable block is in sliding connection with one side of the second movable block, the other group of the second movable block is provided with a second movable block which is in sliding connection with the movable groove (15) on one side of the movable seat (8), a second knob is rotationally connected to the top end of the movable seat (8), and the second knob extends to the inner side of one side of the movable groove (15) and is fixedly connected with the second threaded rod (14).

6. The frequency conversion module test fixture of claim 1, wherein: one side of the movable seat (8) at two ends is connected with a baffle plate (16) through a bolt thread, and a certain distance exists between the top surface of the baffle plate (16) and the bottom surface of the movable seat (8) at two ends.