Stable structure of oxide film resistance
A technology of stabilizing structure and oxide film, applied in thin film resistors, resistors, resistance terminals/electrodes, etc., can solve the problems of low cost, increased volume, large temperature rise, etc., and achieve the effect of efficient cooling and volume reduction
Inactive Publication Date: 2019-03-08
南京华冶重工科技发展有限公司
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Problems solved by technology
[0002] High-power resistors are widely used in various fields because of their high power, overload and anti-pulse properties. Large, resulting in a relatively large temperature rise, if you work in a high temperature environment for a long time, it will inevitably affect the service life and high temperature stability of the resistor. If you use a separate radiator for heat dissipation, it will not only take up space but also cost more. Therefore, it is necessary to study a resistor with small size, high power and low cost to meet the needs of the market.
[0003] A metal oxide film cooling fixed resistor proposed in Chinese patent N201721054064.5 discloses a solution to the above problems. The device provides circulating cooling water through the condenser to cool the resistor, but the metal oxide Installing cooling water pipes around the film resistor makes the cooling effect not efficient, and requires more space to complete such a structure, resulting in an increase in the overall volume of the device
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[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0017] see Figure 1 to Figure 2 , the present invention provides a technical solution: a stable structure of an oxide film resistor, including an insulating casing 1, the upper and lower ends of the insulating casing 1 are respectively sleeved with an upper connecting seat 2 and a lower base 3, and the insulating casing 1 is internally set There are ceramic columns 4, and the outer circumferential surface of the ceramic columns 4 is provided with several plac...
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The invention discloses a stable structure of an oxide film resistance. The structure comprises an insulating shell, wherein the upper and lower ends of the insulating shell are respectively sleeved with an upper connecting seat and a lower base, the insulating shell is internally provided with a ceramic column, a plurality of receiving slots are opened on the outer peripheral surface of the ceramic column, metal oxide film resistors are placed within the receiving slots, resistor pins are respectively fixed at the end portions of the insulating shell and the upper connecting seat, the inner sides of the resistor pins are connected with a plurality of conducting rods, the inner side ends of the conducting rods are connected to the metal oxide film resistors, a hollow channel penetrating the surfaces of the upper and lower ends is arranged in the middle of the ceramic column, a cooling water pipe is vertically arranged within the hollow channel, and the upper and lower ends of the cooling water pipe are both connected with connecting pipes. The structure can effectively cooling the metal oxide film resistors within the device, and can greatly reduce the volume of the device.
Description
technical field [0001] The invention relates to the field of oxide film resistors, in particular to a stable structure of oxide film resistors. Background technique [0002] High-power resistors are widely used in various fields because of their high power, overload and anti-pulse properties. Large, resulting in a relatively large temperature rise, if you work in a high temperature environment for a long time, it will inevitably affect the service life and high temperature stability of the resistor. If you use a separate radiator for heat dissipation, it will not only take up space but also cost more. Therefore, it is necessary to study a resistor with small size, high power and low cost to meet the needs of the market. [0003] A metal oxide film cooling fixed resistor proposed in Chinese patent N201721054064.5 discloses a solution to the above problems. The device provides circulating cooling water through the condenser to cool the resistor, but the metal oxide Installin...
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IPC IPC(8): H01C1/02H01C1/08H01C1/14H01C7/00
CPCH01C1/14H01C1/02H01C1/08H01C7/006
Inventor 许敏
Owner 南京华冶重工科技发展有限公司