Platinium heat resistor of 8-shape laying wire

A platinum thermal resistance and font technology, which is applied in the field of resistance thermometers, can solve the problem that platinum thermal resistance cannot be used normally, and achieve the effect of ensuring normal operation.

Inactive Publication Date: 2006-08-23
上海电机成套联合有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the leakage magnetic flux will induce a large interference voltage at both ends of the lead wire of the platinum thermal resistance, so that the platinum thermal resistance cannot be used normally.

Method used

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  • Platinium heat resistor of 8-shape laying wire

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Embodiment Construction

[0010] As shown in the schematic diagram of the layout of the platinum wire of the platinum thermal resistance of the present invention, the platinum thermal resistance of the "8"-shaped cloth wire of the present invention has a platinum wire 1 and a carrier, wherein the carrier is a plate-shaped support 2, on which Two annular grooves 21, 22 are set up in parallel, and the inner rings X and Y surrounded by the two annular grooves 21, 22 have the same area. An insulating layer 3 is provided at the crossing position of the platinum wire 1 to separate the platinum wires at the intersection. In this embodiment, the insulating layer 3 is used as a separating insulating paper. The two ends of the platinum wire 1 are led out with the spliced ​​lead wire 4 .

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Abstract

This invention relates to an embedded Pt thermal resistor wired in 8-shape used in a resistance thermometer for testing the temperature of the coil or the core of a motor including Pt wires and a carrier, in which, said carrier is a plate-type bracket, two circular slots are opened on it to surround two same inside tracks, the Pt wire is laid around the slot in a 8-shape and an insulating layer is set at the cross exchange place of the Pt wires between the two slots. When a Pt thermo-resistor is embedded in the core slot, the alternating leakage-flux in the slot will turn the interference voltage induced at the lead end of the resistor to drop to zero so as to ensure the normal operation of the resistor.

Description

Technical field [0001] The invention relates to a platinum thermal resistance with "8"-shaped cloth wire, which relates to an embedded platinum thermal resistance for a motor, which is a resistance thermometer used in a motor iron core slot to detect the temperature of a motor coil or iron core. Background technique [0002] Motors are already one of the most commonly used power sources in our country, and various types of motors are found in various industries. Large and medium-sized motors are mostly used in important machinery. The reliability of motor operation is the most concerned issue by users. It is the first-class requirement of the operating unit to know the temperature of the motor in time. Therefore, when manufacturing a motor, it is necessary to embed a platinum thermal resistance in the motor core slot, so as to know the temperature of the motor in time and accurately. [0003] The important part of the embedded platinum thermal resistance is the specially ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K7/18
Inventor 朱涟张生铭苏一理杜志德赵双全
Owner 上海电机成套联合有限公司
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