CN218414120U

CN218414120U - Radio frequency resistor

Info

Publication number: CN218414120U
Application number: CN202122460698.3U
Authority: CN
Inventors: 陈小诚
Original assignee: SHENGLEICHENG PRECISION RESISTANCE (JIANGXI) CO LTD
Current assignee: SHENGLEICHENG PRECISION RESISTANCE (JIANGXI) CO LTD
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2023-01-31
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses a radio frequency resistor, it sets up the recess between hood and base, inserts the heat-conducting plate in the recess, then coats heat conduction silicone grease layer between heat-conducting plate and resistance, utilizes heat-conducting plate and heat conduction silicone grease to dispel the heat, and the radiating effect is splendid.

Description

Radio frequency resistor

Technical Field

The utility model relates to a radio frequency resistor.

Background

The rf resistor is an electronic component that uses a high frequency current to form a high frequency electromagnetic wave.

Due to the high-frequency oscillation of the current, the radio frequency resistor generates large heat during working, and the heat dissipation becomes a technical problem which needs to be considered by the radio frequency resistor.

Disclosure of Invention

The utility model discloses a radio frequency resistor, its usable heat-conducting plate and heat conduction silicone grease dispel the heat, and the radiating effect is splendid.

The radio-frequency resistor comprises a top cap 1 and a base 2, wherein a guide needle 3 is connected to the top cap 1, a mounting hole 5 is formed in the base 2, a plurality of resistors 4 are mounted between the top cap 1 and the base 2 at intervals, grooves 6 are formed in positions at intervals of the resistors 4 at the corresponding positions of the top cap 1 and the base 2, heat-conducting plates 7 are inserted into the grooves 6, and heat-conducting silicone grease layers 8 are coated between the heat-conducting plates 7 and the resistors 4.

Further, the top cap 1 and the base 2 are made of a conductive material, preferably copper or aluminum.

Further, the resistor 4 is a chip resistor.

Further, the heat conducting plate 7 is a heat conducting ceramic thin plate.

Further, the groove 6 is a dovetail groove, and the end part of the heat conducting plate 7 can be matched with the dovetail groove.

The utility model has the advantages that:

1. the utility model utilizes the heat conducting plate and the heat conducting silicone grease to radiate heat, and the heat radiating effect is excellent;

2. the groove is arranged into a dovetail groove, so that the heat conducting plate can be fastened to prevent sliding.

Drawings

Fig. 1 is a schematic view of the radio frequency resistor of the present invention without a heat conducting plate;

FIG. 2 is a schematic diagram of the radio frequency resistor of the present invention after the heat-conducting plate is installed;

fig. 3 is an enlarged schematic view of the fit between the groove and the heat conducting plate in embodiment 1 of the present invention;

in the figure, 1-top cap, 2-base, 3-pin, 4-resistor, 5-mounting hole, 6-groove, 7-heat conducting plate, 8-heat conducting silicone layer

Detailed Description

Example 1

The utility model provides a radio-frequency resistor, it includes hood 1 and base 2,

hood

1 and 2 materials of base are aluminium, connect the guide pin 3 on the hood 1, be equipped with mounting hole 5 on the base 2, a plurality of resistance 4 of interval installation between hood 1 and the base 2, resistance 4 is chip resistor, on the position at resistance 4 interval, hood 1 and base 2 offer recess 6 in the position that corresponds, recess 6 is the dovetail, recess 6 inserts heat-conducting plate 7, heat-conducting plate 7's tip can cooperate with the dovetail, heat-conducting plate 7 is the heat conduction ceramic sheet metal, coating heat conduction silicone grease layer 8 between heat-conducting plate 7 and the resistance 4.

The utility model discloses the radio frequency resistor of preparation, its clearance that can fill between the resistance to with heat conduction to hood and base, increased heat radiating area and promoted the radiating efficiency.

And finally: the foregoing is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the invention, and any modifications, equivalent alterations, improvements and the like made within the spirit and principle of the invention are intended to be included within the scope of the invention.

Claims

1. A radio frequency resistor, characterized by: the radio-frequency resistor comprises a top cap and a base, a guide needle is connected to the top cap, a mounting hole is formed in the base, a plurality of resistors are mounted between the top cap and the base at intervals, grooves are formed in the positions, corresponding to the positions, of the top cap and the base at intervals, the grooves are inserted into a heat-conducting plate, and a heat-conducting silicone grease layer is coated between the heat-conducting plate and the resistors.

2. The radio frequency resistor of claim 1, wherein: the top cap and the base are made of conductor materials.

3. The radio frequency resistor of claim 2, wherein: the top cap and the base are made of copper or aluminum.

4. The radio frequency resistor of claim 1, wherein: the resistor is a chip resistor.

5. The radio frequency resistor of claim 1, wherein: the heat conducting plate is a heat conducting ceramic thin plate.

6. The radio frequency resistor of claim 1, wherein: the groove is a dovetail groove, and the end part of the heat conducting plate can be matched with the dovetail groove.