CN210430048U - Temperature drift prevention conductor for filter resonant cavity - Google Patents

Abstract

The utility model discloses a filter resonant cavity is with preventing temperature drift conductor, including conductor body, cooling tube and heat conduction silicone grease layer, the outside of conductor body is provided with the cooling tube, and has seted up the mounting groove on the cooling tube, the inboard of mounting groove is provided with the ejector pin, and the outside of ejector pin is provided with the gag lever post to the gag lever post is located the inboard of mounting groove, the outside of ejector pin is encircleed there is reset spring, and reset spring is located the inboard of mounting groove equally, install the conducting strip on the ejector pin, and the lower surface of conducting strip is provided with heat conduction silicone grease layer, the inboard of spread groove is provided with the connecting block, and the fixed block is installed to the below of connecting block to install the supporting piece on the. This wave filter resonant cavity is with preventing temperature drift conductor can maintain the temperature of conductor body self, avoids the conductor body to be in the resistivity change under the high temperature environment to can prevent to influence the normal dynamic parameter of circuit, indirectly promote the stability of wave filter work.

Description

Temperature drift prevention conductor for filter resonant cavity

Technical Field

The utility model relates to a wave filter technical field specifically is a wave filter resonant cavity is with preventing temperature drift conductor.

Background

The filter is a filter circuit consisting of a capacitor, an inductor and a resistor, can obtain a power supply signal with a specific frequency, and is usually used for filtering the power supply signal in practical training experiments of the telecommunication profession of schools.

The temperature of the conductor for the resonant cavity of the existing filter can be increased when the conductor works, so that the resistivity of the resistor is extremely unstable and can change along with the temperature, the condition that the dynamic parameters of a circuit are unstable can occur, and meanwhile, the conductor for the resonant cavity of the existing filter does not have a heat dissipation function, so that the normal use of the filter is influenced, and the working efficiency of the filter is reduced. Aiming at the problems, the innovative design is carried out on the basis of the original conductor for the resonant cavity of the filter.

Disclosure of Invention

An object of the utility model is to provide a temperature drift conductor is used to wave filter resonant cavity to solve the current conductor for the wave filter resonant cavity that proposes in the above-mentioned background art temperature can rise when carrying out work, thereby the resistivity that leads to resistance is extremely unstable, can change along with the temperature, thereby the unstable condition of circuit dynamic parameter can appear, current conductor for the wave filter resonant cavity does not have radiating function simultaneously, thereby the normal use of wave filter has been influenced, the problem of the work efficiency of wave filter has been reduced.

In order to achieve the above object, the utility model provides a following technical scheme: a temperature drift prevention conductor for a filter resonant cavity comprises a conductor body, a radiating tube and a heat conduction silicone layer, wherein the radiating tube is arranged on the outer side of the conductor body, a mounting groove is formed in the radiating tube, an ejector rod is arranged on the inner side of the mounting groove, a limiting rod is arranged on the outer side of the ejector rod and is positioned on the inner side of the mounting groove, a return spring is arranged on the outer side of the ejector rod in a surrounding mode, the return spring is also positioned on the inner side of the mounting groove, a heat conducting sheet is arranged on the ejector rod, the lower surface of the heat conducting sheet is provided with the heat conduction silicone layer, the heat conducting sheet and the heat conduction silicone layer are both positioned on the inner side of the radiating tube and are mutually connected with the conductor body through the heat conduction silicone layer, a radiating plate is arranged on the ejector rod, radiating columns are arranged on the radiating plate, the inside of spread groove is provided with the connecting block, and the below of connecting block installs the fixed block to install the centre gripping piece on the fixed block.

Preferably, the ejector pins are uniformly distributed on the radiating pipe, and the ejector pins form a telescopic sliding structure with the mounting groove through the reset springs and the limiting rods.

Preferably, the heat conducting sheet, the ejector rod, the heat dissipation plate and the heat dissipation column are all made of copper metal, and the heat conducting sheet, the ejector rod, the heat dissipation plate and the heat dissipation column are of an integrated structure.

Preferably, the heat conducting sheet side is regarded as an arc-shaped structure, and the heat conducting sheet is adhered and connected with the conductor body through the heat conducting silicone layer.

Preferably, the upper end of the connecting block is of a spherical structure, and the connecting block is nested inside the clamping rod through a connecting groove.

Preferably, the clamping pieces are made of rubber materials, and the clamping pieces are connected with the fixing blocks in a hot melting mode.

Compared with the prior art, the beneficial effects of the utility model are that: the filter cavity is used as a temperature drift prevention conductor,

1. the temperature of the conductor body can be maintained, and the resistivity of the conductor body is prevented from changing in a high-temperature environment, so that the normal dynamic parameters of a circuit can be prevented from being influenced, and the working stability of the filter is indirectly improved;

2. reset spring can promote the ejector pin and stretch out the mounting groove, makes things convenient for the ejector pin to drive the conducting strip and passes through the surface of heat conduction silicone grease layer laminating at conductor body to be favorable to shifting the heat on the conductor body, avoid the high fever condition to appear in the conductor body, prevented the production of temperature drift phenomenon.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall side-sectional structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention;

fig. 5 is a schematic view of a heat dissipating plate according to the present invention.

In the figure: 1. a conductor body; 2. a radiating pipe; 3. mounting grooves; 4. a top rod; 5. a limiting rod; 6. a return spring; 7. a heat conductive sheet; 8. a thermally conductive silicone layer; 9. a heat dissipation plate; 10. a heat-dissipating column; 11. a clamping rod; 12. connecting grooves; 13. connecting blocks; 14. a fixed block; 15. and a clamping piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a temperature drift prevention conductor for a filter resonant cavity comprises a conductor body 1, a radiating tube 2 and a heat conduction silicone layer 8, wherein the radiating tube 2 is arranged on the outer side of the conductor body 1, a mounting groove 3 is formed in the radiating tube 2, an ejector rod 4 is arranged on the inner side of the mounting groove 3, a limiting rod 5 is arranged on the outer side of the ejector rod 4, the limiting rod 5 is located on the inner side of the mounting groove 3, the ejector rods 4 are uniformly distributed on the radiating tube 2, the ejector rod 4 and the mounting groove 3 form a telescopic sliding structure through a reset spring 6 and the limiting rod 5, the reset spring 6 can conveniently push the ejector rod 4 to extend out of the mounting groove 3 through the limiting rod 5, and the ejector rod 4;

the outer side of the ejector rod 4 is surrounded by a reset spring 6, the reset spring 6 is also positioned on the inner side of the mounting groove 3, the ejector rod 4 is provided with a heat conducting sheet 7, the lower surface of the heat conducting sheet 7 is provided with a heat conducting silicone layer 8, the heat conducting sheet 7, the ejector rod 4, the heat dissipation plate 9 and the heat dissipation column 10 are all made of copper metal materials, the heat conducting sheet 7, the ejector rod 4, the heat dissipation plate 9 and the heat dissipation column 10 are of an integrated structure, and the heat on the conductor body 1 is conveniently guided, so that the high-heat condition of the conductor body 1 is avoided, the heat conducting sheet 7 and the heat conducting silicone layer 8 are positioned on the inner side of the heat dissipation tube 2, the heat conducting sheet 7 is connected with the conductor body 1 through the heat conducting silicone layer 8, the heat conducting sheet 7 of the arc-shaped structure is convenient to be attached to the surface of the conductor body 1, the contact tightness is improved, and heat conduction is facilitated;

install heating panel 9 on ejector pin 4, and install heat dissipation post 10 on the heating panel 9, supporting rod 11 is all installed at both ends about cooling tube 2, and seted up spread groove 12 on the supporting rod 11, connecting block 13's upper end is the globular structure, and connecting block 13 passes through spread groove 12 nestification in the inside of supporting rod 11, make things convenient for connecting block 13 to carry out stable installation on supporting rod 11, make things convenient for connecting block 13 to carry out the activity simultaneously and rotate, spread groove 12's inboard is provided with connecting block 13, and connecting block 13's below installs fixed block 14, and install supporting piece 15 on the fixed block 14, supporting piece 15 is the rubber material, and be hot melt between supporting piece 15 and the fixed block 14 and be connected, make things convenient for supporting rod 11 to carry out insulating centre gripping through the supporting piece 15 of rubber material to conductor body 1.

The working principle is as follows: according to fig. 1, firstly, the conductor body 1 is placed inside the radiating pipe 2, then the clamping rod 11 on the radiating pipe 2 is manually screwed, at this time, the clamping rod 11 is screwed into the radiating pipe 2 through the screw thread, while the clamping rod 11 is screwed, the clamping rod 11 drives the clamping sheet 15 made of rubber material to clamp the conductor body 1, the radiating pipe 2 is installed outside the conductor bodies 1 with different diameters, while the clamping rod 11 is screwed, as shown in fig. 4, the clamping sheet 15 rotates below the clamping rod 11 through the fixing block 14, the connecting block 13 and the connecting groove 12, so as to facilitate the clamping sheet 15 to maintain the direction to clamp the conductor body 1, as shown in fig. 2 and 3, after the radiating pipe 2 is installed, the return spring 6 pushes the top rod 4 to extend downwards out of the mounting groove 3 through the limiting rod 5 until the top rod 4 drives the heat-conducting sheet 7 and the heat-conducting silicone layer 8 to be attached to the outer surface of the conductor body 1, when the condition of generating heat appears in conductor body 1, the heat on conductor body 1 can be conducted to heating panel 9 through heat conduction silicone grease layer 8, conducting strip 7 and ejector pin 4 this moment on, disperse by heating panel 9 again and contact with the air and dispel the heat on heat dissipation post 10 to avoid conductor body 1 the high fever condition to appear, such a wave filter resonant cavity is with preventing that temperature drift conductor makes things convenient for people's use.

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

Claims (6)

1. The utility model provides a filter resonant cavity is with preventing temperature drift conductor, includes conductor body (1), cooling tube (2) and heat conduction silicone grease layer (8), its characterized in that: the radiating pipe is characterized in that the radiating pipe (2) is arranged on the outer side of the conductor body (1), the radiating pipe (2) is provided with a mounting groove (3), the inner side of the mounting groove (3) is provided with a mandril (4), the outer side of the mandril (4) is provided with a limiting rod (5), the limiting rod (5) is positioned on the inner side of the mounting groove (3), the outer side of the mandril (4) is surrounded by a reset spring (6), the reset spring (6) is also positioned on the inner side of the mounting groove (3), the mandril (4) is provided with a heat conducting sheet (7), the lower surface of the heat conducting sheet (7) is provided with a heat conducting silicone layer (8), the heat conducting sheet (7) and the heat conducting silicone layer (8) are both positioned on the inner side of the radiating pipe (2), the heat conducting sheet (7) is mutually connected with the conductor body (1) through the heat conducting silicone layer (, and install heat dissipation post (10) on heating panel (9), supporting rod (11) have all been installed at both ends about cooling tube (2), and have seted up spread groove (12) on supporting rod (11), the inboard of spread groove (12) is provided with connecting block (13), and the below of connecting block (13) installs fixed block (14) to install supporting piece (15) on fixed block (14).

2. The temperature drift prevention conductor of claim 1, wherein: the ejector rods (4) are uniformly distributed on the radiating pipe (2), and the ejector rods (4) form a telescopic sliding structure with the mounting groove (3) through the reset springs (6) and the limiting rods (5).

3. The temperature drift prevention conductor of claim 1, wherein: the heat conducting sheet (7), the ejector rod (4), the heat dissipation plate (9) and the heat dissipation column (10) are all made of copper metal materials, and the heat conducting sheet (7), the ejector rod (4), the heat dissipation plate (9) and the heat dissipation column (10) are of an integrated structure.

4. The temperature drift prevention conductor of claim 1, wherein: the heat conducting fin (7) is of an arc-shaped structure in side view, and the heat conducting fin (7) is connected with the conductor body (1) in an adhesion mode through the heat conducting silicone grease layer (8).

5. The temperature drift prevention conductor of claim 1, wherein: the upper end of the connecting block (13) is of a spherical structure, and the connecting block (13) is nested inside the clamping rod (11) through the connecting groove (12).

6. The temperature drift prevention conductor of claim 1, wherein: the clamping piece (15) is made of rubber, and the clamping piece (15) is connected with the fixing block (14) in a hot melting mode.

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