CN212159858U - Waveguide filter adjusting and measuring tool - Google Patents

Abstract

The utility model relates to a waveguide filter debugging frock, include: the device comprises a base, a first waveguide coaxial conversion piece, a second waveguide coaxial conversion piece and a clamp. The first waveguide coaxial conversion piece is fixedly arranged on the base, and the second waveguide coaxial conversion piece is movably arranged on the base. The clamp clamps the second waveguide coaxial converting piece so that the waveguide filter is fixed between the first waveguide coaxial converting piece and the second waveguide coaxial converting piece. The first waveguide coaxial converting piece is fixed on the base, and mainly aims to be in fixed contact with the second waveguide coaxial converting piece together to debug the waveguide filter in the using process, and the second waveguide coaxial converting piece is clamped by the clamp so that the waveguide filter is fixed between the first waveguide coaxial converting piece and the second waveguide coaxial converting piece. In addition, the method can adapt to the debugging work of waveguide filters with different sizes. Therefore, the waveguide coaxial converter and the waveguide filter can be quickly clamped and fixed, and the debugging and testing efficiency of the waveguide filter in batch production can be improved.

Description

Waveguide filter adjusting and measuring tool

Technical Field

The utility model relates to a waveguide filter's debugging technical field especially relates to a waveguide filter debugging frock.

Background

With the rapid advance of the 5G technology, the mobile communication system develops towards higher frequency, the planned frequency band is 3400 MHz-3600 MHz and 4800 MHz-4900 MHz, and the frequency band generates interference to a satellite communication earth station of a C-band (the specific frequency band is 3700 MHz-4200 MHz). In order to eliminate the interference, a filter for suppressing the 5G band can be added at the satellite earth station, and as the application scenes of 5G communication are more and more, the market demand of the waveguide filter of the C band is more and more.

In the debugging and testing process of the waveguide filter in the C-band, as a rectangular flange and a debugging adapter (the debugging adapter is also called a waveguide coaxial converter) of the waveguide filter are both in the national standard (GB11449.2-89 part 2 of a waveguide flange disk: noted in the specification of a common rectangular waveguide flange disk), mounting holes of the rectangular flange and the waveguide coaxial converter are through holes, the waveguide filter and the coaxial converter need to be fixed by combining M6 screws and nuts, and at least 8M 6 screws and nuts are needed at two ends of the waveguide filter. However, before and after debugging and before and after QC detection, the screw dismounting and mounting work is required, the whole dismounting and mounting process is very complicated, at least the time is consumed for more than 5 minutes, and especially in the batch production and manufacturing process, the workload is very large, and the production efficiency is seriously influenced.

Disclosure of Invention

Based on this, it is necessary to overcome the defects in the prior art, and a waveguide filter debugging tool is provided, which can quickly clamp and fix the waveguide coaxial converter and the waveguide filter, and improve the debugging efficiency of the waveguide filter in batch production.

The technical scheme is as follows: a waveguide filter tuning tool, comprising: a base; the waveguide filter testing device comprises a first waveguide coaxial converting piece and a second waveguide coaxial converting piece, wherein the first waveguide coaxial converting piece is fixedly arranged on a base, the second waveguide coaxial converting piece is movably arranged on the base, a spacing region is arranged between the first waveguide coaxial converting piece and the second waveguide coaxial converting piece, and the spacing region is used for placing a waveguide filter to be tested; the clamp is arranged on the base and clamps the second waveguide coaxial conversion piece so that the waveguide filter is fixed between the first waveguide coaxial conversion piece and the second waveguide coaxial conversion piece.

According to the waveguide filter adjusting and testing tool, the first waveguide coaxial conversion piece is fixed on the base, the waveguide filter is mainly debugged after being fixedly contacted with the second waveguide coaxial conversion piece in the using process, and the second waveguide coaxial conversion piece is clamped by the clamp so that the waveguide filter is fixed between the first waveguide coaxial conversion piece and the second waveguide coaxial conversion piece. In addition, the second waveguide coaxial conversion piece can adapt to the waveguide filters with different sizes to move on the base, so that the second waveguide coaxial conversion piece can adapt to the debugging work of the waveguide filters with different sizes. Therefore, the debugging and testing efficiency of the waveguide filter in batch production can be improved.

In one embodiment, the base comprises a bottom plate and two side plates, the two side plates are arranged on the bottom plate at intervals, the two side plates and the bottom plate enclose a movable groove, the first waveguide coaxial conversion piece is fixedly arranged in the movable groove, the second waveguide coaxial conversion piece is movably arranged in the movable groove, and the outer wall of the second waveguide coaxial conversion piece is in contact with the side plates; the clamp is arranged in the movable groove.

In one embodiment, a first substrate is disposed at a bottom of the first waveguide coaxial converter, an edge of the first substrate protrudes out of a sidewall of the first waveguide coaxial converter, an edge of the first substrate contacts with the side plate, and the first substrate is fixedly mounted on the base.

In one embodiment, a second substrate is disposed at the bottom of the second waveguide coaxial converter, an edge of the second substrate protrudes out of a sidewall of the second waveguide coaxial converter, the edge of the second substrate contacts with the side plate, and a limiting plate is disposed on the base and located above the second substrate.

In one embodiment, the number of the limiting plates is two, and the two limiting plates are correspondingly arranged on the two side plates; the limiting plate is detachably arranged on the side plate.

In one embodiment, the first waveguide coaxial converting element and the second waveguide coaxial converting element are respectively provided with a second flange plate for being in butt joint with the first flange plate of the waveguide filter, the second flange plate is provided with a plurality of positioning elements, and the plurality of positioning elements are respectively and correspondingly inserted into and positioned in the plurality of flange holes of the first flange plate.

In one embodiment, the positioning member comprises a positioning pin and a screw rod which are connected with each other; and the second flange plate is provided with a screw hole corresponding to the screw rod, the screw rod is arranged in the screw hole, and the positioning pin is inserted and positioned in the flange hole.

In one embodiment, the first waveguide coaxial converting piece and the second waveguide coaxial converting piece are both provided with a test joint; the test joint is an N-type joint.

In one embodiment, the clamp is a quick positioning clamp, and the quick positioning clamp comprises a base fixedly arranged on a base, a wrench rotatably arranged on the base, and a push rod in transmission connection with the wrench; when the wrench rotates, the pushing rod can move along the movable groove.

In one embodiment, the end of the pushing rod of the clamp is provided with a hammer head, and the hammer head is used for being in interference fit with the second waveguide coaxial conversion piece.

Drawings

Fig. 1 is a schematic view of a structure of one of viewing angles of a waveguide filter tuning tool according to an embodiment of the present invention when the waveguide filter tuning tool is not used for testing;

fig. 2 is a schematic view of another view structure of the waveguide filter tuning tool according to an embodiment of the present invention when the waveguide filter tuning tool is not used for testing;

fig. 3 is a schematic view of a structure of one of the viewing angles of the waveguide filter tuning tool according to an embodiment of the present invention during testing;

fig. 4 is a schematic view of another view structure of the waveguide filter tuning tool according to an embodiment of the present invention during testing;

fig. 5 is an exploded structural view of a waveguide filter tuning tool according to an embodiment of the present invention (a second waveguide coaxial converter is omitted);

fig. 6 is a schematic structural diagram of one view angle of a first waveguide coaxial converter of the waveguide filter tuning tool according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of another view angle of the first waveguide coaxial converter of the waveguide filter tuning tool according to an embodiment of the present invention.

Reference numerals:

10. a base; 11. a base plate; 12. a side plate; 13. a movable groove; 14. a limiting plate; 20. a first waveguide coaxial transition piece; 21. a first substrate; 30. a second waveguide coaxial transition piece; 31. a second substrate; 40. a clamp; 41. a base body; 42. a wrench; 43. a push rod; 44. a hammer head; 50. a waveguide filter; 51. a first flange plate; 61. a mounting member; 62. mounting holes; 70. a second flange plate; 71. a screw hole; 80. a positioning member; 81. positioning pins; 82. a screw; 90. and an N-type joint.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description of the present invention, it is to be understood that 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. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.

In one embodiment, referring to fig. 1 to 5, a waveguide filter tuning tool includes: a base 10, a first waveguide coaxial converter 20, a second waveguide coaxial converter 30 and a clamp 40. The first waveguide coaxial converting element 20 is fixedly disposed on the base 10, and the second waveguide coaxial converting element 30 is movably disposed on the base 10. A spacing region is arranged between the first waveguide coaxial converting element 20 and the second waveguide coaxial converting element 30. The spacer region is used to place the waveguide filter 50 to be tuned. The clamp 40 is disposed on the base 10, and the clamp 40 clamps the second waveguide coaxial conversion element 30 so that the waveguide filter 50 is fixed between the first waveguide coaxial conversion element 20 and the second waveguide coaxial conversion element 30.

In the waveguide filter adjusting and testing tool, the first waveguide coaxial converting element 20 is fixed on the base 10, and mainly for debugging after the waveguide filter 50 is fixed and contacted with the second waveguide coaxial converting element 30 in the using process, and the clamp 40 clamps the second waveguide coaxial converting element 30 so that the waveguide filter 50 is fixed between the first waveguide coaxial converting element 20 and the second waveguide coaxial converting element 30. In addition, the second waveguide coaxial converting element 30 can accommodate the movement of the waveguide filters 50 with different sizes on the base 10, thereby being adapted to the tuning work of the waveguide filters 50 with different sizes. Thus, the debugging efficiency of the waveguide filter 50 in mass production can be improved.

Further, referring to fig. 1 to 5, the base 10 includes a bottom plate 11 and two side plates 12. The two side plates 12 are arranged on the bottom plate 11 at intervals, and the two side plates 12 and the bottom plate 11 enclose a movable groove 13. The first waveguide coaxial converting member 20 is fixedly disposed in the movable slot 13, the second waveguide coaxial converting member 30 is movably disposed in the movable slot 13, and an outer wall of the second waveguide coaxial converting member 30 is in contact with the side plate 12. Specifically, the clamp 40 is disposed in the movable groove 13. In this way, the first waveguide coaxial converter 20, the second waveguide coaxial converter 30 and the clamp 40 are all disposed in the movable groove 13, so that the centers of the first waveguide coaxial converter 20, the second waveguide coaxial converter 30, the clamp 40 and the waveguide filter 50 can be located on the same straight line, the waveguide filter 50 is prevented from being in poor contact due to pressure deviation, and the debugging and testing consistency of the waveguide filter 50 is ensured.

Specifically, referring to fig. 1 to 5, two opposite outer walls of the second waveguide coaxial transition piece 30 are respectively in contact with the two side plates 12. Likewise, two opposite outer walls of the first waveguide coaxial transition piece 20 are in contact with the two side plates 12, respectively. Specifically, the first waveguide coaxial adapter 20 is fixed to the base 10 by a fixing member 61 such as a screw, a bolt, or a pin. The base 10 is provided with a mounting hole 62 corresponding to the mounting member 61. Of course, the first waveguide coaxial converter 20 may also be fixedly mounted on the base 10 by welding, bonding, or the like.

Further, referring to fig. 4 to 7, a first substrate 21 is disposed at a bottom of the first waveguide coaxial converter 20. The edge of the first substrate 21 protrudes out of the sidewall of the first waveguide coaxial converter 20, the edge of the first substrate 21 contacts with the side plate 12, and the first substrate 21 is fixedly mounted on the base 10.

Further, referring to fig. 4 and 5, a second substrate 31 is disposed at the bottom of the second waveguide coaxial converter 30. The edge of the second substrate 31 protrudes out of the sidewall of the second waveguide coaxial converter 30, the edge of the second substrate 31 contacts with the side plate 12, the base 10 is provided with a limiting plate 14, and the limiting plate 14 is located above the second substrate 31. Thus, the limiting plate 14 can limit the second substrate 31 from moving up and down, and prevent the second waveguide coaxial converter 30 from separating upward from the base 10.

Further, referring to fig. 2 to 4, two limiting plates 14 are provided, and the two limiting plates 14 are correspondingly disposed on the two side plates 12. The limit plate 14 is detachably mounted to the side plate 12. Specifically, the stopper plate 14 is detachably attached to the base 10 by a mounting member 61 such as a screw, a bolt, or a pin. The side plates 12 are provided with mounting holes 62 corresponding to the mounting pieces 61.

Further, referring to fig. 2 to 4, the first waveguide coaxial transition piece 20 and the second waveguide coaxial transition piece 30 are both provided with a second flange 70 for butt-joint fitting with the first flange 51 of the waveguide filter 50. The second flange plate 70 is provided with a plurality of positioning members 80, and the plurality of positioning members 80 are respectively and correspondingly inserted into the plurality of flange holes of the first flange plate 51. Thus, when the first waveguide coaxial converter 20, the second waveguide coaxial converter 30 and the waveguide filter 50 are combined together, the positioning member 80 is inserted into the flange hole of the first flange plate 51, which is beneficial to realizing that the centers of the first waveguide coaxial converter 20, the second waveguide coaxial converter 30 and the waveguide filter 50 are positioned on the same straight line, so that the alignment contact between the first flange plate 51 and the second flange plate 70 is good, the waveguide filter 50 is not in poor contact due to pressure deviation, and the debugging test consistency of the waveguide filter 50 is ensured.

Further, referring to fig. 2 to 5, the positioning element 80 includes a positioning pin 81 and a screw 82 connected to each other. The second flange plate 70 is provided with a screw hole 71 corresponding to the screw rod 82, the screw rod 82 is installed in the screw hole 71, and the positioning pin 81 is inserted and positioned in the flange hole. Thus, after the screw rod 82 is screwed into the screw hole 71, the positioning member 80 can be quickly mounted on the second flange 70, and the mounting operation is convenient. In addition, specifically, the flange holes of the second flange 70 are changed to the screw holes 71 for the screws 82, i.e., no flange holes are required in the second flange 70. In addition, the number of the screw holes 71 on the second flange 70 of the first waveguide coaxial conversion member 20 is at least three, that is, the first waveguide coaxial conversion member 20 is connected to the first flange 51 on one side of the waveguide filter 50 through at least three positioning members 80; similarly, the number of the screw holes 71 on the second flange 70 of the second waveguide coaxial conversion member 30 is at least three, that is, the second waveguide coaxial conversion member 30 is connected to the first flange 51 on the other side of the waveguide filter 50 through at least three positioning members 80, so that a good positioning effect can be ensured.

Further, referring to fig. 2 to 5, the first waveguide coaxial converter 20 and the second waveguide coaxial converter 30 are both provided with a test connector; the test joint is an N-type joint 90. In this manner, the indices of the waveguide filter 50 are debugged and tested by the N-type connector 90.

Further, referring to fig. 2 to 4, the clamp 40 is a quick positioning clamp, and the quick positioning clamp includes a seat 41 fixedly mounted on the base 10 by mounting members 61 such as screws, bolts, pins, etc., a wrench 42 rotatably mounted on the seat 41, and a push rod 43 in transmission connection with the wrench 42. The wrench 42 can realize the movement of the pushing rod 43 along the movable slot 13 when rotating. Thus, when the second waveguide coaxial converting element 30 needs to be clamped and positioned, the wrench 42 is rotated to drive the pushing rod 43 to move along the movable slot 13, and the end of the pushing rod 43 tightly abuts against the second waveguide coaxial converting element 30, so that the second waveguide coaxial converting element 30, the waveguide filter 50 and the first waveguide coaxial converting element 20 are tightly combined together. On the contrary, when the waveguide filter 50 needs to be removed, the wrench 42 is rotated in the reverse direction, so that the pushing rod 43 releases the second waveguide coaxial conversion member 30, and at this time, the second waveguide coaxial conversion member 30 is moved along the movable groove 13, and the waveguide filter 50 is removed. Thus, the waveguide filter 50 can be easily attached and detached. In addition, since the pushing rod 43 moves along the movable slot 13 and pushes against the second waveguide coaxial switching member 30, the pressure of the quick clamp 40 can be better applied to the second waveguide coaxial switching member 30 and the first waveguide coaxial switching member 20, so that the two waveguide coaxial switching members and the waveguide filter 50 are tightly contacted together, and the contact among the three members is good.

Further, referring to fig. 2 to 5, the end of the pushing rod 43 of the fixture 40 is provided with a hammer 44. The hammer 44 is used for interference fit with the second waveguide coaxial converter 30. Specifically, the hammer 44 is a rubber hammer. In addition, the size of the hammer 44 may be set according to the size of the second waveguide coaxial converter 30. Thus, when the hammer 44 is in contact with the second waveguide coaxial conversion member 30, the stress surface is large, the pressure of the clamp 40 can be better applied to the second waveguide coaxial conversion member 30, and the positioning effect is stable.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a waveguide filter debugging frock which characterized in that includes:

a base;

the waveguide filter testing device comprises a first waveguide coaxial converting piece and a second waveguide coaxial converting piece, wherein the first waveguide coaxial converting piece is fixedly arranged on a base, the second waveguide coaxial converting piece is movably arranged on the base, a spacing region is arranged between the first waveguide coaxial converting piece and the second waveguide coaxial converting piece, and the spacing region is used for placing a waveguide filter to be tested;

the clamp is arranged on the base and clamps the second waveguide coaxial conversion piece so that the waveguide filter is fixed between the first waveguide coaxial conversion piece and the second waveguide coaxial conversion piece.

2. The waveguide filter adjusting and testing tool according to claim 1, wherein the base includes a bottom plate and two side plates, the two side plates are arranged on the bottom plate at intervals, the two side plates and the bottom plate define a movable groove, the first waveguide coaxial converting member is fixedly arranged in the movable groove, the second waveguide coaxial converting member is movably arranged in the movable groove, and an outer wall of the second waveguide coaxial converting member is in contact with the side plates; the clamp is arranged in the movable groove.

3. The waveguide filter adjusting and measuring tool according to claim 2, wherein a first substrate is arranged at the bottom of the first waveguide coaxial converting element, the edge of the first substrate protrudes out of the side wall of the first waveguide coaxial converting element, the edge of the first substrate is in contact with the side plate, and the first substrate is fixedly arranged on the base.

4. The waveguide filter adjusting and testing tool according to claim 2, wherein a second substrate is arranged at the bottom of the second waveguide coaxial converter, the edge of the second substrate protrudes out of the side wall of the second waveguide coaxial converter, the edge of the second substrate is in contact with the side plate, a limiting plate is arranged on the base, and the limiting plate is located above the second substrate.

5. The waveguide filter adjusting and measuring tool according to claim 4, wherein the number of the limiting plates is two, and the two limiting plates are correspondingly arranged on the two side plates; the limiting plate is detachably arranged on the side plate.

6. The waveguide filter adjusting and testing tool according to claim 2, wherein the first waveguide coaxial converting element and the second waveguide coaxial converting element are respectively provided with a second flange plate for butt-joint matching with the first flange plate of the waveguide filter, the second flange plate is provided with a plurality of positioning elements, and the plurality of positioning elements are respectively and correspondingly inserted and positioned in the plurality of flange holes of the first flange plate.

7. The waveguide filter tuning tool of claim 6, wherein the positioning member comprises a positioning pin and a screw rod connected to each other; and the second flange plate is provided with a screw hole corresponding to the screw rod, the screw rod is arranged in the screw hole, and the positioning pin is inserted and positioned in the flange hole.

8. The waveguide filter adjusting and testing tool according to claim 2, wherein the first waveguide coaxial converting piece and the second waveguide coaxial converting piece are both provided with a testing joint; the test joint is an N-type joint.

9. The waveguide filter tuning tool of any one of claims 2 to 8, wherein the fixture is a quick positioning fixture, the quick positioning fixture includes a base fixedly mounted on a base, a wrench rotatably mounted on the base, and a push rod drivingly connected to the wrench; when the wrench rotates, the pushing rod can move along the movable groove.

10. The waveguide filter adjusting and testing tool according to any one of claims 1 to 8, wherein a hammer head is arranged at the end of a pushing rod of the clamp, and the hammer head is used for being in interference fit with the second waveguide coaxial conversion piece.

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