CN219371312U

CN219371312U - Dielectric filter with coupling amount easy to adjust

Info

Publication number: CN219371312U
Application number: CN202223136465.9U
Authority: CN
Inventors: 张明月; 吴圣梅; 王友升
Original assignee: Hefei Shiqiang Microwave Technology Co ltd
Current assignee: Hefei Shiqiang Microwave Technology Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-07-18
Anticipated expiration: 2032-11-25

Abstract

The utility model provides a dielectric filter with an easy-to-adjust coupling quantity, which relates to the technical field of dielectric filters and comprises a dielectric filter body and a plurality of output connectors and input connectors connected with the dielectric filter body, wherein a shell is arranged outside the dielectric filter body, and a top cover for sealing is arranged on the shell in a matching way; the utility model provides a dielectric filter which is characterized in that a mounting frame is arranged in a shell, a stepping motor is arranged on the mounting frame, a threaded rod is arranged at the driving end of the stepping motor, a resonant rod is in threaded connection with the threaded rod, the resonant rod is in tight sliding connection with a dielectric filter body, a limiting frame for limiting the vertical movement of the resonant rod is arranged on the shell, and an output connector and an input connector are respectively connected with the shell.

Description

Dielectric filter with coupling amount easy to adjust

Technical Field

The utility model relates to the technical field of dielectric filters, in particular to a dielectric filter with an easily adjustable coupling amount.

Background

The integrated dielectric filter has dielectric block of high dielectric material and with through holes in the same direction to form one resonant cavity. And coating an outer conductor layer on the upper, lower, left and right four flat outer surfaces of the dielectric block, and coating an inner conductor layer on the inner surface of each through hole. A metal plating layer is arranged on the outer surface of the rear end of the dielectric block to form a short circuit surface, and the outer conductor layer is connected with the inner conductor layer through the short circuit surface. The front end outer surface of the dielectric block forms an open surface, and a circuit local conductor part forming a filter circuit structure is arranged on the open surface corresponding to each through hole.

In the prior art, the resonant rod of the dielectric filter is rotated to adjust the coupling quantity, so that the adjusting amplitude is large, the adjusting convenience of the resonant rod is poor, the protection is also lacked, and meanwhile, the large dielectric filter is required to be reasonably cooled.

Disclosure of Invention

The present utility model is directed to a dielectric filter with an easy-to-adjust coupling amount, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a dielectric filter of easy regulation coupling volume, includes dielectric filter body and a plurality of output joints and the input joint of connecting on the dielectric filter body, the dielectric filter body is equipped with the shell outward, the supporting top cap that is used for sealing that is provided with on the shell;

be provided with the mounting bracket in the shell, be provided with step motor on the mounting bracket, step motor drive end is provided with the threaded rod, threaded rod threaded connection has the resonance pole, and resonance pole and dielectric filter body inseparable sliding connection, be provided with the spacing that is used for prescribing a limit to the vertical motion of resonance pole on the shell.

Preferably, the output connector and the input connector are respectively connected with the shell, and the output connector and the input connector are on different sides.

Preferably, the connecting lugs for installation are symmetrically arranged on the shell.

Preferably, the shell is provided with a cooling fan, a plurality of through holes are formed in the top of the top cover, a placing groove is formed in the position, located in the through holes, of the top cover, the placing groove is connected with a sliding plate in a sliding mode, and a handle is arranged on the sliding plate.

Preferably, a filter screen for dust prevention is arranged in the placing groove.

Preferably, the sliding plate is in tight sliding connection with the placing groove of the top cover, and the sliding plate is communicated with the through hole.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model provides a dielectric filter with easy-to-adjust coupling quantity, which is provided with a dielectric filter body, wherein a stepping motor is started to drive a threaded rod to rotate, so that a resonant rod is driven to lift along a limiting frame, namely, the coupling quantity of the dielectric filter is adjusted, and the dielectric filter is good in adjustment convenience and convenient to adjust.

2. The utility model provides a dielectric filter with easy-to-adjust coupling quantity, which is provided with a function of transmitting heat energy in a shell out by starting a cooling fan, and meanwhile, air enters from the top of a top cover, so that the temperature reduction effect is good, and the filter screen is matched for dust prevention.

Drawings

FIG. 1 is a schematic perspective view of a dielectric filter with an easy-to-adjust coupling amount according to the present utility model;

FIG. 2 is a schematic diagram showing a dielectric filter housing with an easy-to-adjust coupling amount according to the present utility model;

FIG. 3 is a schematic diagram showing a structure of a resonant rod of a dielectric filter with an easy-to-adjust coupling amount according to the present utility model;

fig. 4 is a schematic structural diagram of a dielectric filter top cover with an easy-to-adjust coupling amount according to the present utility model.

Legend description: 1. a housing; 11. a connecting lug; 12. a heat radiation fan; 2. a dielectric filter body; 21. an output joint; 22. an input connector; 3. a top cover; 31. a filter screen; 32. a sliding plate; 4. a mounting frame; 41. a stepping motor; 42. a threaded rod; 43. a resonant rod; 44. and a limiting frame.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Embodiment 1, as shown in fig. 1-4, a dielectric filter with an easy-to-adjust coupling amount includes a dielectric filter body 2, and a plurality of output connectors 21 and input connectors 22 connected to the dielectric filter body 2, wherein a housing 1 is arranged outside the dielectric filter body 2, and a top cover 3 for sealing is arranged on the housing 1 in a matching manner; the housing 1 is internally provided with a mounting frame 4, the mounting frame 4 is provided with a stepping motor 41, the driving end of the stepping motor 41 is provided with a threaded rod 42, the threaded rod 42 is in threaded connection with a resonant rod 43, the resonant rod 43 is in tight sliding connection with the dielectric filter body 2, and the housing 1 is provided with a limiting frame 44 for limiting the vertical movement of the resonant rod 43.

The dielectric filter body 2 is connected with the output connector 21 and the input connector 22 to transmit signals, and the stepping motor 41 is started to drive the threaded rod 42 to rotate, so that the resonant rod 43 is driven to lift along the limiting frame 44, namely, the coupling amount of the dielectric filter body 2 is adjusted, and the adjustment convenience is good and the adjustment is convenient.

The output connector 21 and the input connector 22 are connected to the housing 1, respectively, and the output connector 21 and the input connector 22 are on different sides.

The connecting lugs 11 used for installation are symmetrically arranged on the shell 1, and the equipment is installed through the connecting lugs 11, so that the equipment installation convenience is improved.

Be provided with radiator fan 12 on the shell 1, a plurality of through-holes have been seted up at top cap 3 top, and lie in the through-hole position in top cap 3 and seted up the standing groove, standing groove sliding connection has sliding plate 32, and is provided with the handle on the sliding plate 32, through starting radiator fan 12, goes out the inside heat energy transfer of shell 1, and the air gets into from top cap 3 top simultaneously.

Be provided with in the standing groove and be used for dirt-proof filter screen 31, filter the air of entering through filter screen 31, play dustproof effect, protect inside work assembly.

The sliding plate 32 is closely sliding connection with the standing groove of top cap 3, and the sliding plate 32 is the intercommunication setting with the through-hole, and filter screen 31 is placed along the standing groove to through the sliding plate 32 slip protection, ensure the installation effect of filter screen 31.

The present utility model is not limited to the above embodiments, and any equivalent embodiments which can be changed or modified by the technical disclosure described above can be applied to other fields, but any simple modification, equivalent changes and modification to the above embodiments according to the technical matter of the present utility model will still fall within the protection scope of the technical disclosure.

Claims

1. The utility model provides a dielectric filter of easy regulation coupling volume, includes a plurality of output joints (21) and input joints (22) that connect on dielectric filter body (2) and dielectric filter body (2), its characterized in that: a shell (1) is arranged outside the dielectric filter body (2), and a top cover (3) for sealing is arranged on the shell (1) in a matching way;

be provided with mounting bracket (4) in shell (1), be provided with step motor (41) on mounting bracket (4), step motor (41) drive end is provided with threaded rod (42), threaded rod (42) threaded connection has resonant rod (43), and resonant rod (43) and dielectric filter body (2) inseparable sliding connection, be provided with on shell (1) spacing (44) that are used for prescribing a limit to resonant rod (43) vertical motion.

2. The easy to adjust coupling amount dielectric filter of claim 1, wherein: the output connector (21) and the input connector (22) are respectively connected with the shell (1), and the output connector (21) and the input connector (22) are arranged on different sides.

3. The easy to adjust coupling amount dielectric filter of claim 1, wherein: the shell (1) is symmetrically provided with connecting lugs (11) for installation.

4. The easy to adjust coupling amount dielectric filter of claim 1, wherein: be provided with radiator fan (12) on shell (1), a plurality of through-holes have been seted up at top cap (3) top, and be located the through-hole position in top cap (3) and seted up the standing groove, standing groove sliding connection has sliding plate (32), and is provided with the handle on sliding plate (32).

5. The easy to adjust coupling amount dielectric filter of claim 4, wherein: a filter screen (31) for dust prevention is arranged in the placing groove.

6. The easy to adjust coupling amount dielectric filter of claim 4, wherein: the sliding plate (32) is tightly connected with the placing groove of the top cover (3) in a sliding manner, and the sliding plate (32) is communicated with the through hole.