CN114583423B

CN114583423B - Signal filter for communication

Info

Publication number: CN114583423B
Application number: CN202210375589.8A
Authority: CN
Inventors: 吴允强; 梁玉英; 李晓芳; 郑清生; 刘恩良; 闻龙龙
Original assignee: Nanchang Institute of Technology
Current assignee: Nanchang Institute of Technology
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2023-04-25
Anticipated expiration: 2042-04-11
Also published as: CN114583423A

Abstract

The utility model discloses a signal filter for communication, which comprises a signal filter body, wherein the upper end of the signal filter body is provided with a box cover, the upper end of the box cover is provided with a plurality of tuning rods, the box cover is connected with the signal filter body through a plurality of connecting mechanisms, the bottom of the signal filter body is provided with four supporting feet, a mounting plate is fixedly connected between the four supporting feet, the bottom of the box cover is provided with a heat exchange groove, a plurality of U-shaped pipes are arranged in the heat exchange groove, two adjacent U-shaped pipes are connected through hoses, and the U-shaped pipes are connected with the box cover through two clamping mechanisms.

Description

Signal filter for communication

Technical Field

The utility model relates to the technical field of filters, in particular to a signal filter for communication.

Background

The signal filter is used for filtering useful signals from the input signals to filter out unwanted signals and noise interference. The principle is that the range of the passband of the circuit is set as the range of useful signals by utilizing the amplitude-frequency characteristic of the circuit, and other frequency spectrum components are filtered out.

The conventional filter is generally implemented by a metal coaxial cavity, and the metal coaxial cavity cannot obtain a very high quality factor (Q value) under the condition of limiting the size of the cavity due to the self material loss, so that various performance indexes are limited, and even if a certain surface treatment is adopted on the metal surface, satisfactory results cannot be obtained.

The prior art discloses a communication signal filter with application number CN201821448391.3, which solves the above-mentioned problems, and includes: the device comprises a cover plate, a tuning rod, a power-on medium, a cavity, a resonant column, a shell, an output end and an input end; the outer side of the cavity is provided with a shell, and the shell is connected with the cavity in a clamping manner; an input end is arranged on the outer wall of the left side of the shell, and one end of the input end is connected with the shell in an embedding mode; the right outer wall of the shell is provided with an output end, and the output end is connected with the shell in an embedding manner; the cavity is internally provided with a resonant column, and the resonant column is connected with the cavity in an embedding manner; the outer side of the resonance column is provided with a electrifying medium, and the electrifying medium is connected with the resonance column in a sleeving manner; the utility model has the advantages of reduced loss, thorough filtration and simple structure by improving the communication signal filter.

However, the above patent is not enough in that the cover plate is made of aluminum material, the surface of the cover plate is provided with copper material in a coating manner, and the heat in the cavity is effectively dissipated through the aluminum cover plate, so that the heat dissipation effect is not enough and needs to be improved.

Therefore, we have devised a signal filter for communication to solve the above problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a signal filter for communication, which is convenient for installing and operating a box cover, can effectively and efficiently dissipate heat of a signal filter body, is convenient for installing and disassembling a U-shaped pipe, and is provided with an elastic sliding sheet to ensure stable sliding in a T-shaped groove and limit a fixed block and the U-shaped pipe.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a signal filter for communication, includes the signal filter body, the case lid is installed to the upper end of signal filter body, a plurality of tuning rods are installed to the upper end of case lid, the case lid is connected with the signal filter body through a plurality of coupling mechanism, four supporting legs are installed to the bottom of signal filter body, four fixedly connected with mounting panel between the supporting legs, the bottom of case lid is equipped with the heat transfer groove, install a plurality of U type pipes in the heat transfer groove, adjacent two be connected through the hose between the U type pipe, and a plurality of U type pipe all is connected with the case lid through two joint mechanisms, and the left side install the connecting pipe that intakes on the U type pipe, the connecting pipe that intakes runs through the case lid setting, right side install the connecting pipe that goes out on the U type pipe, the connecting pipe that goes out water runs through the case lid setting, install the circulation mechanism that is connected with the connecting pipe that intakes, goes out water on the mounting panel.

Preferably, the connecting mechanism comprises a first mounting groove which vertically penetrates through the box cover, a second mounting groove which is opposite to the first mounting groove is formed in the signal filter body, an inserting rod is connected in the first mounting groove in a sliding mode, the inserting rod is inserted into the second mounting groove and is arranged against the inner bottom of the second mounting groove, a locking block is fixedly connected to the upper end of the inserting rod, the locking block is fixedly connected with the upper end of the box cover, a through groove is formed in the inserting rod in a penetrating mode, a slot which is communicated with the second mounting groove is formed in the signal filter body in a penetrating mode, the slot is opposite to the through groove, a locking rod is connected in the slot in a sliding mode, the locking rod is arranged in the through groove in a penetrating mode, the other end of the locking rod is fixedly connected with a pulling block, the other end of the spring is fixedly connected with the signal filter body in a supporting mode, the spring is sleeved outside the locking rod in a supporting mode, and the spring is not in contact with the locking rod.

Preferably, four supporting legs are fixedly connected with the bottom of the signal filter body through bolts, the four supporting legs are distributed in an array, anti-slip pads are arranged at the bottoms of the four supporting legs, and the anti-slip pads are made of rubber materials.

Preferably, the bottom of the mounting plate is arranged flush with the bottom of the supporting feet, and the mounting plate is connected with the four supporting feet through welding.

Preferably, the clamping mechanism comprises a T-shaped groove arranged at the top in the heat exchange groove, a sliding piece is slidably connected in the T-shaped groove, a connecting block is fixed at the bottom of the sliding piece, a fixing block is fixedly connected at the bottom of the connecting block, an arc-shaped groove is arranged at the bottom of the fixing block, and the arc-shaped groove is arranged in a major arc shape.

Preferably, the sliding vane is fixedly connected with the upper end of the connecting block through a screw, and the sliding vane is made of elastic stainless steel.

Preferably, the circulating mechanism comprises a water pump arranged on a mounting plate, a water tank is arranged on the mounting plate, a water inlet pipe is arranged at the water inlet end of the water pump, the water inlet pipe is connected with the water tank, the water inlet pipe is arranged near the bottom of the water tank, a water outlet pipe is arranged at the water outlet end of the water pump, the water outlet pipe is connected with a water inlet connecting pipe, a circulating pipe is arranged on the water outlet connecting pipe, the circulating pipe is communicated with the water tank, and the circulating pipe is arranged near the upper end of the water tank.

Preferably, the semiconductor refrigerating sheet is installed on the water tank, and the refrigerating end of the semiconductor refrigerating sheet is positioned in the water tank.

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

1. the box cover is placed on the signal filter body, the first mounting groove is opposite to the second mounting groove, then the pull block is manually pulled, the pull block moves to drive the lock rod to move so that the lock rod is not in the second mounting groove, then the inserted link is inserted into the first mounting groove and the second mounting groove, at the moment, the upper end of the lock block and the box cover is loosened, the lock rod is abutted against the inserted link under the action of the spring, then the lock block is slowly rotated, when the lock rod is opposite to the through groove, the lock rod can be inserted into the through groove under the action of the spring, so that the lock rod can be fixed, and then the box cover can be stably fixed on the signal filter body, and the operation is simple and quick.

2. When the signal filter body is used, a worker starts the water pump and the semiconductor refrigerating sheet, the semiconductor refrigerating sheet can cool water in the water tank, the water in the water tank can be conveyed into the U-shaped pipe through the water inlet pipe, the water outlet pipe and the water inlet connecting pipe by the water pump, then conveyed into the water outlet connecting pipe through the hose and the U-shaped pipe, and finally conveyed into the water tank through the circulating pipe, so that water circulation can be realized, heat exchange and heat dissipation can be carried out on the signal filter body through cooling water in the U-shaped pipe and the hose, and the effect is good.

3. The sliding vane is made of elastic stainless steel, so that the sliding vane can be installed in the T-shaped groove in a deformation mode, and the sliding vane is pulled out forcibly during disassembly, so that the use is convenient.

In summary, the utility model not only facilitates the installation and operation of the box cover, but also can effectively and efficiently dissipate heat of the signal filter body, and also facilitates the installation and disassembly of the U-shaped tube, and the elastic sliding vane is arranged to ensure the stable sliding in the T-shaped groove and limit the fixing block and the U-shaped tube.

Drawings

Fig. 1 is a schematic structural diagram of a signal filter for communication according to the present utility model;

FIG. 2 is a schematic diagram showing a connection structure of a signal filter for communication according to the present utility model;

FIG. 3 is a top view of a U-shaped tube in a signal filter for communication according to the present utility model;

fig. 4 is a schematic connection diagram of a clamping mechanism in a signal filter for communication according to the present utility model.

In the figure: the novel high-voltage power supply comprises a signal filter body 1, a box cover 2, a tuning rod 3, a heat exchange groove 4, a fixing block 5, a U-shaped pipe 6, supporting feet 7, a mounting plate 8, a water pump 9, a water inlet pipe 10, a water tank 11, a water outlet pipe 12, a circulating pipe 13, a plug rod 14, a locking block 15, a first mounting groove 16, a second mounting groove 17, a through groove 18, a slot 19, a locking rod 20, a spring 21, a pull block 22, a semiconductor refrigeration sheet 23, a hose 24, a T-shaped groove 25, a connecting block 26, an arc-shaped groove 27, a screw 28, a water inlet connecting pipe 29, a water outlet connecting pipe 30 and a sliding sheet 31.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a signal filter for communication includes a signal filter body 1, a case cover 2 is installed at the upper end of the signal filter body 1, a plurality of tuning rods 3 are installed at the upper end of the case cover 2, the case cover 2 is connected with the signal filter body 1 through a plurality of connecting mechanisms, the connecting mechanisms include a first mounting groove 16 which vertically penetrates through the case cover 2, a second mounting groove 17 which is opposite to the first mounting groove 16 is arranged on the signal filter body 1, an inserting rod 14 is slidably connected in the first mounting groove 16, the inserting rod 14 is inserted into the second mounting groove 17 and is arranged in the second mounting groove 17, the inserting rod 14 is abutted against the inner bottom of the second mounting groove 17, a locking block 15 is fixedly connected at the upper end of the inserting rod 14, the locking block 15 is fixedly connected with the upper end of the case cover 2, a through groove 18 is penetratingly arranged on the inserting rod 14, a slot 19 which is communicated with the second mounting groove 17 is penetratingly arranged on the signal filter body 1, a locking rod 20 is slidably connected in the slot 19, a locking rod 20 is arranged in the other end 20, a locking rod 20 is fixedly connected with a locking rod 21 which is fixedly connected with a spring 21 on the other end of the locking rod 20, and a spring 21 is fixedly connected with the other end 21 of the locking rod 20, and is not fixedly connected with the spring 1.

Four supporting legs 7 are arranged at the bottom of the signal filter body 1, the four supporting legs 7 are fixedly connected with the bottom of the signal filter body 1 through bolts, the four supporting legs 7 are distributed in an array, anti-slip pads are arranged at the bottoms of the four supporting legs 7, and the anti-slip pads are made of rubber; fixedly connected with mounting panel 8 between four supporting legs 7, the bottom of mounting panel 8 flushes the setting with the bottom of supporting leg 7, and mounting panel 8 is connected with four supporting legs 7 through the welding.

The bottom of the box cover 2 is provided with a heat exchange groove 4, a plurality of U-shaped pipes 6 are arranged in the heat exchange groove 4, two adjacent U-shaped pipes 6 are connected through a hose 24, the U-shaped pipes 6 are connected with the box cover 2 through two clamping mechanisms, each clamping mechanism comprises a T-shaped groove 25 arranged at the inner top of the heat exchange groove 4, a sliding sheet 31 is slidably connected in the T-shaped groove 25, a connecting block 26 is fixed at the bottom of the sliding sheet 31, a fixing block 5 is fixedly connected at the bottom of the connecting block 26, and the fixing block 5 is made of plastic materials; the bottom of fixed block 5 is equipped with arc wall 27, and arc wall 27 is the major arc and sets up, and gleitbretter 31 passes through screw 28 and the upper end fixed connection of connecting block 26, and gleitbretter 31 is elasticity stainless steel, so install gleitbretter 31 can make gleitbretter 31 deformation install in T type groove 25, then pull out with force when dismantling can, convenient to use.

The left U-shaped pipe 6 is provided with a water inlet connecting pipe 29, the water inlet connecting pipe 29 penetrates through the box cover 2, the right U-shaped pipe 6 is provided with a water outlet connecting pipe 30, the water outlet connecting pipe 30 penetrates through the box cover 2, and the water inlet connecting pipe 29 and the water outlet connecting pipe 30 are provided with corresponding connectors.

The water inlet pipe 10 is installed at the water inlet end of the water pump 9, the water inlet pipe 10 is connected with the water tank 11, the water inlet pipe 10 is arranged near the bottom of the water tank 11, the water outlet pipe 12 is installed at the water outlet end of the water pump 9, the water outlet pipe 12 is connected with the water inlet connecting pipe 29, the circulating pipe 13 is installed on the water outlet connecting pipe 30, the circulating pipe 13 is communicated with the water tank 11, the circulating pipe 13 is arranged near the upper end of the water tank 11, the semiconductor refrigerating sheet 23 is installed on the water tank 11, and the refrigerating end of the semiconductor refrigerating sheet 23 is positioned inside the water tank 11.

When the utility model is used, when the box cover 2 is installed, a worker places the box cover 2 on the signal filter body 1, and makes the first installation groove 16 and the second installation groove 17 opposite, then manually pulls the pull block 22, the pull block 22 moves to drive the lock rod 20 to move so as not to be in the second installation groove 17, then the inserted link 14 is inserted into the first installation groove 16 and the second installation groove 17, at the moment, the lock block 15 is in contact with the upper end of the box cover 2 under the action of the spring 21, the pull block 22 is released, the lock rod 20 is abutted against the inserted link 14 under the action of the spring 21, then the lock block 15 is slowly rotated, when the lock rod 20 is opposite to the through groove 18, the lock rod 20 can be inserted into the through groove 18 under the action of the spring 21, so that the inserted link 14 can be fixed, and the box cover 2 can be stably fixed on the signal filter body 1, and the operation is simple and quick;

when the signal filter body 1 is used, a worker starts the water pump 9 and the semiconductor refrigerating sheet 23, the semiconductor refrigerating sheet 23 can cool water in the water tank 11, the water pump 9 works to convey the water in the water tank 11 into the U-shaped pipe 6 through the water inlet pipe 10, the water outlet pipe 12 and the water inlet connecting pipe 29, then the water is conveyed to the water outlet connecting pipe 30 through the hose 24 and the U-shaped pipe 6, and finally the water is conveyed into the water tank 11 through the circulating pipe 13, so that water circulation can be realized, and the signal filter body 1 can be subjected to heat exchange and heat dissipation through cooling water in the U-shaped pipe 6 and the hose 24, so that the effect is good.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a signal filter for communication, includes signal filter body (1), case lid (2) are installed to the upper end of signal filter body (1), a plurality of tuning rods (3) are installed to the upper end of case lid (2), a serial communication port, case lid (2) are connected with signal filter body (1) through a plurality of coupling mechanism, four supporting legs (7) are installed to the bottom of signal filter body (1), four fixedly connected with mounting panel (8) between supporting legs (7), the bottom of case lid (2) is equipped with heat transfer groove (4), install a plurality of U type pipe (6) in the heat transfer groove (4), two adjacent U type pipe (6) are connected through hose (24), and a plurality of U type pipe (6) all are connected with case lid (2) through two joint mechanisms, installs water inlet connection pipe (29) on U type pipe (6) on the left side, water inlet (29) run through case lid (2) and are provided with heat transfer groove (4), install water outlet connection pipe (30) on the water outlet connection pipe (30) and are connected with water outlet connection pipe (30), the connecting mechanism comprises a first mounting groove (16) which is formed by penetrating through a box cover (2) up and down, a second mounting groove (17) which is opposite to the first mounting groove (16) is formed in a signal filter body (1), a plug rod (14) is connected in the first mounting groove (16) in a sliding mode, the plug rod (14) is inserted into the second mounting groove (17) and is arranged in the plug rod (14) in a propping mode with the inner bottom of the second mounting groove (17), the upper end of the plug rod (14) is fixedly connected with a locking block (15), the locking block (15) is fixedly connected with the upper end of the box cover (2), a through groove (18) is formed in the plug rod (14) in a penetrating mode, a slot (19) which is communicated with the second mounting groove (17) is formed in the signal filter body (1) in a penetrating mode, a lock rod (20) is connected in a sliding mode with the slot (19) in a sliding mode, the lock rod (20) is inserted into the through groove (18) in a pushing mode, the other end of the plug rod (20) is fixedly connected with a spring (21) and the other end of the plug rod (21) is fixedly connected with a spring sleeve (21), the spring (21) is not in contact with the lock rod (20), the clamping mechanism comprises a T-shaped groove (25) arranged at the inner top of the heat exchange groove (4), a sliding sheet (31) is connected in the T-shaped groove (25) in a sliding mode, a connecting block (26) is fixed at the bottom of the sliding sheet (31), a fixing block (5) is fixedly connected at the bottom of the connecting block (26), an arc-shaped groove (27) is arranged at the bottom of the fixing block (5), and the arc-shaped groove (27) is arranged in a major arc shape; the sliding sheet (31) is fixedly connected with the upper end of the connecting block (26) through a screw (28), and the sliding sheet (31) is made of elastic stainless steel; the circulating mechanism comprises a water pump (9) arranged on a mounting plate (8), a water tank (11) is arranged on the mounting plate (8), a water inlet pipe (10) is arranged at the water inlet end of the water pump (9), the water inlet pipe (10) is connected with the water tank (11), the water inlet pipe (10) is arranged close to the bottom of the water tank (11), a water outlet pipe (12) is arranged at the water outlet end of the water pump (9), the water outlet pipe (12) is connected with a water inlet connecting pipe (29), a circulating pipe (13) is arranged on a water outlet connecting pipe (30), the circulating pipe (13) is communicated with the water tank (11), and the circulating pipe (13) is arranged close to the upper end of the water tank (11); the semiconductor refrigerating piece (23) is arranged on the water tank (11), and the refrigerating end of the semiconductor refrigerating piece (23) is positioned in the water tank (11).

2. The signal filter for communication according to claim 1, wherein four supporting legs (7) are fixedly connected with the bottom of the signal filter body (1) through bolts, the four supporting legs (7) are distributed in an array, anti-slip pads are mounted at the bottoms of the four supporting legs (7), and the anti-slip pads are made of rubber.

3. A signal filter for communication according to claim 1, characterized in that the bottom of the mounting plate (8) is arranged flush with the bottom of the support feet (7) and that the mounting plate (8) is connected to the four support feet (7) by welding.