High-temperature-resistant and corrosion-resistant ceramic resistor

Abstract

The high-temperature-resistant and corrosion-resistant ceramic resistor comprises a ceramic resistor, the ceramic resistor is placed in a support, first placing grooves are formed in the centers of the two sides of the support, pins of the ceramic resistor are placed in the first placing grooves, through grooves are formed in the centers of the two ends of the support, and second heat dissipation assemblies are arranged in the through grooves. A plurality of clamping grooves are formed in the two ends of the bottom of the inner surface of the support, first heat dissipation pieces are connected to the clamping grooves in a clamped mode, second heat dissipation assemblies are arranged at the two ends of the support where the ceramic resistor is installed, and heat generated in the working process of the ceramic resistor is guided into sliding blocks through heat conduction plates through the second heat dissipation assemblies; and the heat is finally guided into the second cooling fins, and is guided out through the second cooling fins, so that the bracket is provided with a corresponding heat dissipation mechanism, the heat dissipation of the ceramic resistor is carried out, and the heat dissipation of the ceramic resistor is prevented from being influenced after the ceramic resistor is mounted through the bracket, so that the high-temperature-resistant characteristic of the ceramic resistor is prevented from being influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to ceramic resistance technical field, concretely is a kind of high-temperature-resistant corrosion-resistant ceramic resistance. BACKGROUND

[0002] Compared with thin-film resistor, ceramic resistor has more excellent chemical corrosion resistance and weather resistance, and is difficult to produce wire breakage, has high stability, and has excellent surge characteristics, so it is widely used, for example, China has authorized utility model disclosure (announcement) No.: CN214897860U a resistor encapsulated with elastic paint, including ceramic base body, metal cap, resistance wire, first metal pin, second metal pin and elastic paint encapsulating layer, the left and right ends of the ceramic base body are respectively provided with a metal cap, the first metal pin and the second metal pin are respectively connected with a metal cap, the resistance wire is wound on the ceramic base body, and the two ends of the resistance wire are respectively welded with a metal cap, the ceramic base body and the resistance wire wound on the ceramic base body are covered in the elastic paint encapsulating layer. The utility model is encapsulated by adopting elastic paint encapsulating layer outside the ceramic base body, which can improve the high-temperature resistance and corrosion resistance of the resistor.

[0003] In some miniaturized power equipment, ceramic resistance is mainly installed by installing corresponding support when installing, and is installed inside the equipment through the support, but ceramic resistor generates a large amount of heat when working, and there is generally no corresponding heat dissipation mechanism on the support, which will affect the heat dissipation of the ceramic resistance and the high-temperature resistance of the ceramic resistance, thereby affecting its normal work. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of high-temperature-resistant corrosion-resistant ceramic resistance to solve the problems raised in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of high-temperature-resistant corrosion-resistant ceramic resistance, including ceramic resistance, the ceramic resistance is placed in support, first placement slot is set in the center of the two sides of the support, the pin of ceramic resistance is placed in the first placement slot, through groove is set in the center of the two ends of the support, second heat dissipation component is arranged in the through groove, the second heat dissipation component includes sliding block connected in the through groove, the one end of the sliding block is fixedly connected with heat conduction plate, the one end of the heat conduction plate is in contact with the outer surface of ceramic resistance, the other end of the sliding block is fixedly connected with second radiating fin, the other end of the heat conduction plate is fixedly connected with the telescopic end of telescopic rod on both sides, the fixed end of the telescopic rod is fixedly connected in the inner surface of support, rebound spring is arranged on the surface of telescopic rod, the two ends of the rebound spring are fixedly connected at heat conduction plate and support respectively.

[0007] Preferably, the inner surface bottom of the bracket is provided with a plurality of clamping grooves at both ends, and a first heat dissipation piece is clamped and connected to the clamping grooves.

[0008] Preferably, the first heat dissipation piece comprises a clamping plate clamped and connected to the clamping grooves, a second placing groove identical in shape to the first placing groove is formed in the middle of the clamping plate, the pin of the ceramic motor is placed in the second placing groove, and first heat dissipation fins are fixedly connected to both sides of the clamping plate and clamped and connected to the outer surface of the bracket.

[0009] Preferably, mounting lugs are fixedly connected to the centers of the bottom of the bracket at both ends.

[0010] Compared with the prior art, the present application has the following beneficial effects:

[0011] The ceramic resistance of the present application is provided with a second heat dissipation assembly at both ends of the bracket for installing the ceramic resistance, the heat generated by the ceramic resistance during operation is introduced to the sliding block through the heat conduction plate and finally introduced to the second heat dissipation fins through the second heat dissipation assembly, and the heat is dissipated through the second heat dissipation fins, so that the bracket has a corresponding heat dissipation mechanism, the ceramic resistance is cooled, and the heat dissipation of the ceramic resistance is prevented from being affected after the ceramic resistance is installed through the bracket, thereby affecting the high-temperature resistance of the ceramic resistance.

[0012] The ceramic resistance of the present application is provided with a second heat dissipation assembly at both ends of the bracket for installing the ceramic resistance, the heat generated by the ceramic resistance during operation is introduced to the sliding block through the heat conduction plate and finally introduced to the second heat dissipation fins through the second heat dissipation assembly, and the heat is dissipated through the second heat dissipation fins, so that the bracket has a corresponding heat dissipation mechanism, the ceramic resistance is cooled, and the heat dissipation of the ceramic resistance is prevented from being affected after the ceramic resistance is installed through the bracket, thereby affecting the high-temperature resistance of the ceramic resistance. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the ceramic resistance of the present application;

[0014] Figure 2 It is a structural schematic view of the bracket of the present application;

[0015] Figure 3 It is a structural schematic view of the first heat dissipation assembly of the present application;

[0016] Figure 4 It is a structural schematic view of the second heat dissipation assembly of the present application.

[0017] In the figure: 1, support; 2, ceramic resistance; 3, card board; 4, first placement slot; 5, second placement slot; 6, sliding block; 7, heat conduction plate; 8, mounting lug; 9, through slot; 10, first fin; 11, telescopic rod; 12, rebound spring; 13, second fin; 14, clamping groove. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0019] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "vertical", "upper", "lower", "horizontal" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0020] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] Please refer to Figure 1 , Figure 2 , Figure 4The utility model provides a technical scheme: a kind of high-temperature-resistant corrosion-resistant ceramic resistance, including ceramic resistance 2, ceramic resistance 2 is placed in support 1, first placement slot 4 is set in the center of both sides of support 1, the pin of ceramic resistance 2 is placed in first placement slot 4, through groove 9 is set in the center of both ends of support 1, second heat dissipation component is arranged in through groove 9, second heat dissipation component includes the sliding block 6 slidingly connected in through groove 9, the one end of sliding block 6 is fixedly connected with heat conduction plate 7, and the one end of heat conduction plate 7 is in contact with the outer surface of ceramic resistance 2, and the other end of sliding block 6 is fixedly connected with second fin 13, and the other end of heat conduction plate 7 is fixedly connected with the telescopic end of telescopic rod 11 on both sides, and the fixed end of telescopic rod 11 is fixedly connected in the inner surface of support 1, and rebound spring 12 is provided with the surface sleeve of telescopic rod 11, and the both ends of rebound spring 12 are fixedly connected at heat conduction plate 7 and support 1 respectively, second heat dissipation component is arranged in the both ends of support 1 of ceramic resistance 2 installation, and the heat generated in the working process of ceramic resistance 2 is introduced to sliding block 6 by second heat dissipation component through heat conduction plate 7, and is finally introduced to second fin 13, and the heat is exported by second fin 13, so that support 2 has corresponding heat dissipation mechanism, and ceramic resistance is cooled, after ceramic resistance 2 is installed by support 1, the heat dissipation of ceramic resistance 2 is prevented, and then the high-temperature-resistant characteristic of ceramic resistance 3 is influenced.

[0022] Please refer to Figure 3 The utility model provides a new embodiment, the inner surface bottom of support 1 is equipped with a plurality of clamping slots 14 in both ends, and the first heat dissipation piece is clampedly connected at clamping slot 14, the first heat dissipation piece includes the clamping plate 3 clampedly connected at clamping slot 14, the middle of clamping plate 3 is equipped with the second placement slot 5 same with first placement slot 4 in shape, and the pin of ceramic motor 2 is placed in second placement slot 5, and the both sides of clamping plate 3 are fixedly connected with first fin 10, and first fin 10 is clampedly connected to the outer surface of support 1, so that clamping plate 3 is in contact with both ends of ceramic resistance 2, and the heat generated by ceramic resistance 2 is also introduced to first fin 10 at clamping plate 3, to facilitate the heat dissipation of ceramic resistance 2.

[0023] Please refer to Figure 1 The utility model provides a new embodiment, and the bottom of support 1 is fixedly connected with mounting lug plate 8 in both ends, and ceramic resistance 2 and support 1 are fixed to suitable position through mounting lug plate 8, to facilitate use.

[0024] Need to explain, in use, the ceramic resistance 2 is put into the support 1, then the ceramic resistance 2 both ends will make the heat-conducting plate 7 push outwards, so as to make the sliding block 6 slide outwards in the through slot 9, and make the second radiating fin 13 move outwards, wherein the heat-conducting plate 7 push outwards will compress the telescopic rod 11, and at the same time compress the rebound spring 12, then the first radiating piece is clamped to the clamping groove 14 closest to the ceramic resistance 2, through the above structure, can be different size ceramic resistance 2 is clamped and fixed through the clamping plate 3 and the heat-conducting plate 7, then through the mounting lug plate 8, the ceramic resistance 2 and the support 1 are fixed to the appropriate position.

[0025] When the ceramic resistance 2 needs to be removed for maintenance, first, the first radiating assembly is removed, then the ceramic resistance 2 can be removed, after the ceramic resistance 2 is removed, because the elastic force of the rebound spring 12 will make it rebound to the original place, then the heat-conducting plate 7 will move to the original place, which is convenient for the subsequent ceramic resistance 2 to be put in again.

[0026] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high temperature resistant corrosion resistant ceramic resistor comprising a ceramic resistor (2) placed in a holder (1) characterized in that: The both sides of the support (1) are provided with first placing grooves (4) in the center, the pins of the ceramic resistor (2) are placed in the first placing grooves (4), the both ends of the support (1) are provided with through grooves (9) in the center, the second heat dissipation components are arranged in the through grooves (9), the second heat dissipation components comprise sliding blocks (6) which are slidingly connected in the through grooves (9), one end of the sliding block (6) is fixedly connected with a heat conduction plate (7), one end of the heat conduction plate (7) is in contact with the outer surface of the ceramic resistor (2), the other end of the sliding block (6) is fixedly connected with a second heat dissipation fin (13), the other end of the heat conduction plate (7) is fixedly connected with the telescopic ends of telescopic rods (11) on both sides, the fixed ends of the telescopic rods (11) are fixedly connected with the inner surface of the support (1), the surface of the telescopic rods (11) is sleeved with rebound springs (12), the both ends of the rebound springs (12) are fixedly connected with the heat conduction plate (7) and the support (1) respectively.

2. The high temperature resistant corrosion resistant ceramic resistor according to claim 1, characterized in that: The inner surface of the support (1) is provided with a plurality of clamping grooves (14) at the bottom of both ends, the first heat dissipation pieces are clampingly connected at the clamping grooves (14).

3. The high temperature resistant corrosion resistant ceramic resistor according to claim 2, characterized in that: The first heat dissipation pieces comprise clamping plates (3) which are clampingly connected at the clamping grooves (14), the middle of the clamping plate (3) is provided with second placing grooves (5) which are the same as the first placing grooves (4) in shape, the pins of the ceramic motor (2) are placed in the second placing grooves (5), the both sides of the clamping plate (3) are fixedly connected with first heat dissipation fins (10), the first heat dissipation fins (10) are clampingly connected to the outer surface of the support (1).

4. The high temperature resistant corrosion resistant ceramic resistor of claim 1, wherein: The bottom of the support (1) is fixedly connected with mounting ear plates (8) at both ends of the center.

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