Slice-type temperature sensor

A technology of temperature sensor and sheet, used in thermometers, thermometers and instruments based on the expansion/contraction of materials, etc., can solve the problem of not being able to continue to respond to temperature changes, and improve the scope of application, increase the control range, bend The effect of expanding the arc angle

Inactive Publication Date: 2020-11-06
安徽谷得信息技术有限公司
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Problems solved by technology

[0004] There are also some technical solutions about bimetal temperature sensors in the prior art, such as a Chinese patent with application number 2015201476458, which discloses a bimetal temperature sensor, including a housing, a bottom plate, a first to a second Lead wire, bimetallic element and bushing, weld the moving contact on the bimetallic sheet, through the welding of the control contact, the contact pressure is highly stable; when the ambient temperature reaches the flipping temperature of the disc-shaped bimetallic element, the disc-shaped bimetallic element flips over Drive the first contact to separate from

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Embodiment approach

[0038] As a specific embodiment of the present invention, the thickness value of the No. 3 metal sheet 5 is greater than the thickness value of the No. 4 metal sheet 6; during work, the thickness value of the No. 3 metal sheet 5 is greater than the thickness value of the No. 4 metal sheet 6 The degree of thermal expansion of the No. 3 metal piece 5 is greater, so that the degree of deformation of the sensor is greater, thereby improving the measurement accuracy of the sensor.

[0039]When working, the existing bimetal 1 temperature sensor can only perform a single closing and separation, and cannot continue to respond to the continuous change of temperature after closing, so that the use of the bimetal 1 temperature sensor has limitations. The invention solves this problem; by being respectively provided with the No. 3 metal sheet 5 and the No. 4 metal sheet 6 on both sides of the bimetal 1, when the bimetal 1 is heated, the No. 3 metal sheet 5 and the No. 4 metal sheet 6 are all

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Abstract

The invention belongs to the technical field of temperature sensors, and specifically relates to a slice-type temperature sensor. The sensor comprises bimetallic strip. The bimetallic strip is connected with two wires. The bimetallic strip is divided into a No.1 metal sheet and a No.2 metal sheet. The thermal expansion coefficient of the first metal sheet is larger than that of the second metal sheet. A third metal sheet is arranged on the side, away from the second metal sheet, of the first metal sheet, the thermal expansion coefficient of the third metal sheet is larger than that of the first metal sheet, a fourth metal sheet is arranged on the side, away from the first metal sheet, of the second metal sheet, and the thermal expansion coefficient of the fourth metal sheet is smaller thanthat of the second metal sheet. According to the temperature sensor, the metal sheet with the larger thermal expansion coefficient is additionally arranged at the tail end of the bimetallic strip, sothat the arc bending angle of the bimetallic strip is enlarged, the control range of the bimetallic strip is enlarged through the arc bending angle of the bimetallic strip, and then the application range of the temperature sensor is enlarged.

Description

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Claims

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Application Information

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Owner 安徽谷得信息技术有限公司
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