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CN-115360992-B - L wave Duan Gaotong filter

CN115360992BCN 115360992 BCN115360992 BCN 115360992BCN-115360992-B

Abstract

The invention relates to the technical field of high-pass filters, in particular to an L-band high-pass filter, which comprises a shell, a sealing structure, a heat dissipation structure, a filtering structure, a resisting structure, a fixing structure, a positioning structure, a filter body, a protective cover and a mounting hole, wherein the filter body is placed in the shell and is shielded and protected through the sealing structure, so that the filter body is effectively prevented from being damaged by impact, the fixing structure is matched with the positioning structure to fix the filter on the shell, the filter body can be quickly disassembled, the filter body is convenient to overhaul and maintain, the heat dissipation structure can be used for dissipating heat of the filter body, dust can be prevented from entering the shell in the heat dissipation process through the filtering structure, the filtering structure can be resisted through the resisting structure, the shell can be mounted through the mounting hole, the connector can be shielded and protected through the protective cover, and the wire connector is damaged by the impact.

Inventors

  • ZHU ZHU
  • LIU JIANHE
  • FENG QINGCHENG

Assignees

  • 滁州市经纬装备科技有限公司
  • 滁州市经纬装备科技有限公司

Dates

Publication Date
20260421
Application Date
20220805
Priority Date
20220805

Claims (6)

  1. 1. The utility model provides an L ripples Duan Gaotong wave filter, its characterized in that, including shell (1), the inside of shell (1) is fixed with wave filter body (8) through fixed knot constructs (6), be equipped with a plurality of location structure (7) on shell (1), be equipped with filtration (4) on shell (1), be equipped with on filtration (4) and keep out structure (5), be equipped with seal structure (2) on shell (1), be equipped with heat radiation structure (3) on seal structure (2), be equipped with protection casing (9) on shell (1), be equipped with a plurality of mounting holes (10) on shell (1), The fixed structure (6) comprises slide bars (602), two slide bars (602) are connected to the shell (1) in a sliding manner, the slide bars (602) are abutted to the filter body (8), a rotating shaft (605) is connected to the shell (1) in a rotating manner, a winding roller (604) is fixedly connected to the rotating shaft (605), a torsion spring (606) is fixedly connected between the rotating shaft (605) and the shell (1), two pull ropes (603) are fixedly connected to the winding roller (604), one end of each pull rope (603) is fixedly connected to the winding roller (604) and the other end of each pull rope is fixedly connected to the slide bars (602), and a fourth reset spring (607) is fixedly connected between each slide bar (602) and the shell (1); The winding directions of the two pull ropes (603) on the winding roller (604) are opposite, and the two slide bars (602) are symmetrically distributed about the middle part of the rotating shaft (605), wherein the slide bars (602) are fixedly connected with pull rods (601), and one end of the section of each slide bar (602) is in an L-shaped structure; The positioning structure (7) comprises a positioning block (701), a plurality of positioning blocks (701) are fixedly connected to the shell (1), the positioning blocks (701) are clamped with the filter body (8), a baffle ring (702) is slidably connected to the positioning blocks (701), the baffle ring (702) is abutted to the filter body (8), a third reset spring (703) is sleeved outside the positioning blocks (701), one end of the third reset spring (703) is abutted to the baffle ring (702), the other end of the third reset spring (703) is abutted to the shell (1), and one end of the section of the positioning blocks (701) is of a trapezoid structure.
  2. 2. The L-band high-pass filter of claim 1, wherein the sealing structure (2) comprises a sealing cover (201), the sealing cover (201) is rotationally connected to the shell (1), two bolts (202) are connected to the sealing cover (201) in a threaded mode, the bolts (202) are abutted against the clamping blocks (203), the clamping blocks (203) are abutted against the shell (1), two second grooves (206) are formed in the shell (1), one ends of the clamping blocks (203) are arranged in the second grooves (206), a first groove (205) is formed in the clamping blocks (203), one ends of the bolts (202) are arranged in the first groove (205), a first reset spring (204) is abutted between the clamping blocks (203) and the sealing cover (201), a first sealing gasket (207) is clamped on the shell (1), and the first sealing gasket (207) is abutted against the sealing cover (201).
  3. 3. The L-band high-pass filter of claim 2, wherein one end of the cross section of the clamping block (203) is triangular, the cross section of the second groove (206) is triangular, and one end of the cross section of the first groove (205) is triangular.
  4. 4. The L-band high-pass filter of claim 3, wherein the heat dissipation structure (3) comprises a fan (301), the fan (301) is mounted on the sealing cover (201), a first ventilation opening (302) is formed in the sealing cover (201), the first ventilation opening (302) is communicated with the fan (301), and a second ventilation opening (303) is formed in the housing (1).
  5. 5. The L-band high-pass filter of claim 4, wherein the filtering structure (4) comprises a fixed frame (401), the fixed frame (401) is fixedly connected to the shell (1), an outer frame (402) is clamped on the fixed frame (401), a filter screen (403) is fixedly connected to the outer frame (402), two openings (404) are formed in the fixed frame (401), a second sealing gasket (405) is clamped on the fixed frame (401), and the second sealing gasket (405) is abutted to the outer frame (402).
  6. 6. The L-band high-pass filter of claim 5, wherein the resisting structure (5) comprises a stop lever (501), the stop lever (501) is connected to the fixed frame (401) in a sliding manner, a pressing block (502) is connected to the stop lever (501) in a sliding manner, the pressing block (502) is abutted to the outer frame (402), a pressing spring (503) is fixedly connected between the pressing block (502) and the stop lever (501), a sliding block (504) is connected to the stop lever (501) in a sliding manner, the sliding block (504) is clamped with the fixed frame (401), and a second reset spring (505) is abutted between the sliding block (504) and the stop lever (501).

Description

L wave Duan Gaotong filter Technical Field The invention relates to the technical field of high-pass filters, in particular to an L-band high-pass filter. Background The high-pass filter, also called low-cut filter, low-resistance filter, is a combination device of capacitance, inductance and resistance devices which can let the signal component above a certain frequency pass through and greatly inhibit the signal component below the certain frequency, and its characteristics can be described by impulse response and frequency response respectively in time domain and frequency domain. However, the traditional high-pass filter is directly exposed in the air after the installation is finished, is easy to be damaged by impact, is also interfered by dust, is large in heating value, is easy to be frequently down, is directly fixed through a plurality of bolts, needs to be disassembled by twisting the bolts by means of a spanner when the damage occurs and the maintenance is needed, and is low in maintenance efficiency. Disclosure of Invention Aiming at the problems in the prior art, the invention provides an L-band high-pass filter. The invention solves the technical problems by adopting the technical scheme that the L-wave Duan Gaotong filter comprises a shell, wherein a filter body is fixed in the shell through a fixing structure, a plurality of positioning structures are arranged on the shell, a filtering structure is arranged on the shell, a resisting structure is arranged on the filtering structure, a sealing structure is arranged on the shell, a heat dissipation structure is arranged on the sealing structure, a protective cover is arranged on the shell, a plurality of mounting holes are arranged on the shell, The fixed knot constructs including the slide bar, sliding connection has two slide bars on the shell, the slide bar is contradicted in the wave filter body, rotate on the shell and be connected with the pivot, fixedly connected with roll-up roller in the pivot, fixedly connected with torsion spring between pivot and the shell, fixedly connected with two stay cords on the roll-up roller, the one end fixedly connected with of stay cord is in roll-up roller and the other end fixedly connected with slide bar, fixedly connected with fourth reset spring between slide bar and the shell. Specifically, the winding directions of the two pull ropes on the winding roller are opposite, and the two slide bars are symmetrically distributed about the middle part of the rotating shaft. Specifically, fixedly connected with pull rod on the slide bar, the one end of slide bar cross-section is L shape structure. Specifically, the location structure includes the locating piece, fixedly connected with a plurality of locating pieces on the shell, a plurality of block between locating piece and the wave filter body, sliding connection has the baffle ring on the locating piece, contradict between baffle ring and the wave filter body. Specifically, the outside cover of locating piece is equipped with third reset spring, third reset spring's one end is contradicted in the backing ring, third reset spring's the other end is contradicted in the shell, the one end of locating piece cross-section is trapezium structure. Specifically, seal structure includes sealed lid, it is connected with sealed lid to rotate on the shell, sealed cover threaded connection has two bolts, the bolt is contradicted in the fixture block, the fixture block is contradicted in the shell, be equipped with two second recesses on the shell, the inside of second recess is located to the one end of fixture block, be equipped with first recess on the fixture block, the inside of first recess is located to the one end of bolt, it has first reset spring to contradict between fixture block and the sealed lid, the block has first sealed pad on the shell, first sealed pad is contradicted in sealed lid. Specifically, one end of the section of the clamping block is in a triangular structure, the section of the second groove is in a triangular structure, and one end of the section of the first groove is in a triangular structure. Specifically, the heat radiation structure includes the fan, install the fan on the sealed lid, be equipped with first vent on the sealed lid, switch on between first vent and the fan, be equipped with the second vent on the shell. Specifically, filtration includes fixed frame, fixedly connected with fixed frame on the shell, the block has the frame on the fixed frame, fixedly connected with filter screen on the frame, be equipped with two openings on the fixed frame, the block has the second to seal to fill up on the fixed frame, the second seals up to fill up and contradict in the frame. Specifically, the structure of keeping out includes the pin, sliding connection has the pin on the fixed frame, sliding connection has the briquetting on the pin, the briquetting is contradicted in the frame, fixedly connected with preforming spring between br