High-voltage-resistant single-sided heater resistor

Abstract

The utility model relates to a novel resistor, in particular to a high-voltage-withstanding single-sided heater resistor, which comprises a shell made of aluminum materials and comprises a bottom plate and a cover plate, an opening at the upper end of the bottom plate is sealed by the cover plate, a placing cavity for placing a resistor disc is arranged in the shell, two sides of the resistor disc are respectively provided with a group of aluminum oxide plates, and the aluminum oxide plates are arranged in the placing cavity. Wherein an aluminum nitride plate is fixed between the resistor disc and the aluminum oxide plate close to one side of the bottom plate, and a mica plate is arranged between the aluminum oxide plate close to one side of the cover plate and the cover plate. All the parts are combined through a precise assembly process, so that the internal structure of the resistor is stable and the resistance value is not changed when the resistor bears 100KN surface pressure; the heating is uniform.

Description

Technical Field

[0001] The utility model relates to a new type of resistor, specifically a high-voltage-resistant single-sided heater resistor. Background Art

[0002] In many industrial and electronic applications, there are high requirements for the voltage withstand performance of resistors and their stability in high-pressure environments.

[0003] When existing resistor products face working conditions of high voltage withstand and a surface pressure of 10 KN, problems such as changes in resistance value, uneven heating, and even damage often occur, and they cannot meet specific working requirements. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a high-voltage-resistant single-sided heater resistor, which is used to solve the problems that existing resistor products often have changes in resistance value, uneven heating, and even damage when facing working conditions of high voltage withstand and a surface pressure of 10 KN.

[0005] To achieve the above purpose, the utility model provides a high-voltage-resistant single-sided heater resistor, including a housing, which is made of aluminum and includes a bottom plate and a cover plate. The upper end opening of the bottom plate is sealed by the cover plate. A placement cavity for placing resistor chips is provided inside the housing. A set of alumina plates are respectively arranged on both sides of the resistor chip. Among them, a aluminum nitride plate is fixed between the resistor chip and the alumina plate close to the bottom plate, and a mica plate is arranged between the alumina plate close to the cover plate and the cover plate.

[0006] As a further scheme of the utility model, the cover plate is provided with multiple groups of mounting holes corresponding to the end face of the bottom plate.

[0007] As a further scheme of the utility model, the housing is disc-shaped, a positioning column is vertically installed at the center of the bottom plate, and positioning holes for the positioning column to pass through are provided at the centers of the alumina plate, aluminum nitride plate, and mica plate.

[0008] Compared with the prior art, in the utility model, the cover plate provides external protection and certain mechanical support, the bottom plate provides bottom support and a heat dissipation channel, the mica plate enhances the insulation performance and reduces the risk of electric leakage, the alumina plate improves the heat resistance and voltage withstand performance of the resistor, the aluminum nitride plate assists in heat dissipation and improves the stability of the resistor, and the resistor chip, as the core component, is manufactured by special materials and processes and has high voltage withstand characteristics, so that the utility model significantly improves the voltage withstand performance, can work stably in a high-voltage environment, can withstand a surface pressure of 10 KN at the same time, adapts to complex working conditions, has uniform heating, and improves the use efficiency and service life of the resistor. Description of the Drawings

[0009] Figure 1This is a schematic structural diagram of a high-voltage-resistant single-sided heater resistor in the present utility model.

[0010] In the attached drawings: 1. Bottom plate; 2. Cover plate; 3. Alumina plate; 4. Resistance sheet; 5. Aluminum nitride plate; 6. Mica plate. Specific embodiments

[0011] The technical solution of the present utility model will be further described in detail below in conjunction with specific embodiments.

[0012] As Figure 1 shown, in an embodiment of the present utility model, a high-voltage-resistant single-sided heater resistor includes a housing, which is made of aluminum. It includes a bottom plate 1 and a cover plate 2. The upper end opening of the bottom plate 1 is sealed by the cover plate 2. A placement cavity for placing the resistance sheet 4 is provided inside the housing. A group of alumina plates 3 are respectively arranged on both sides of the resistance sheet 4. Among them, an aluminum nitride plate 5 is fixed between the resistance sheet 4 and the alumina plate 3 close to the bottom plate 1. A mica plate 6 is arranged between the alumina plate 3 close to the cover plate 2 and the cover plate 2.

[0013] As Figure 1 shown, in an embodiment of the present utility model, the cover plate 2 is provided with a plurality of groups of mounting holes corresponding to the end face of the bottom plate 1, and mounting bolts can be installed in the mounting holes.

[0014] As Figure 1 shown, in an embodiment of the present utility model, the housing is disc-shaped. A positioning column is vertically installed at the center of the bottom plate 1. The center of the alumina plate 3, the aluminum nitride plate 5, and the mica plate 6 is provided with a positioning hole for the positioning column to pass through. The alumina plate 3, the aluminum nitride plate 5, and the mica plate 6 are positioned through the positioning hole to prevent them from shifting and sliding.

[0015] To sum up, in the present utility model, the cover plate 2 provides external protection and a certain mechanical support. The bottom plate 1 provides bottom support and a heat dissipation channel. The mica plate 6 enhances the insulation performance and reduces the risk of electric leakage. The alumina plate 3 improves the heat resistance and voltage resistance performance of the resistor. The aluminum nitride plate 5 assists in heat dissipation and improves the stability of the resistor. The resistance sheet 4, as the core component, is manufactured using special materials and processes and has high voltage resistance characteristics. This makes the present utility model significantly improve the voltage resistance performance, can work stably in a high-voltage environment, and can withstand a surface pressure of 10 KN at the same time, adapt to complex working conditions, have uniform heat generation, and improve the service efficiency and life of the resistor.

[0016] The preferred embodiments of the present utility model have been described in detail above, but the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the purpose of the present utility model.

Claims

1. A high-voltage-resistant single-sided heater resistor, characterized in that, It includes a housing made of aluminum, which includes a bottom plate and a cover plate. The upper end of the bottom plate is open and sealed by the cover plate. A placement cavity for placing a resistor chip is provided inside the housing. A set of alumina plates are respectively arranged on both sides of the resistor chip. Among them, a aluminum nitride plate is fixed between the resistor chip and the alumina plate close to the bottom plate, and a mica plate is arranged between the alumina plate close to the cover plate and the cover plate.

2. The high-voltage-resistant single-sided heater resistor according to claim 1, wherein, Multiple groups of installation holes corresponding to the end face of the bottom plate are provided on the cover plate.

3. The high-voltage-resistant single-sided heater resistor according to claim 1, wherein The housing is disc-shaped. A positioning post is vertically installed at the center of the bottom plate. A positioning hole for the positioning post to pass through is provided at the center of the alumina plate, aluminum nitride plate and mica plate.

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