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Temperature sensing bulb

A technology of temperature sensing package and temperature sensing wax, applied in the field of temperature sensing package, can solve the problems of temperature change hysteresis, etc., and achieve the effect of increasing the area of ​​absorbing heat and improving the sensitivity

Inactive Publication Date: 2016-07-27
天津市安博瑞科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although their thermal conductivity is very good, due to the structural design problems of the above two devices, the response to temperature changes has a certain hysteresis

Method used

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Embodiment Construction

[0009] Such as figure 1 As shown, a temperature-sensing package includes a shell (4), a temperature-sensing wax (3), a high-sealing rubber sleeve (2), a plug (1), a cylinder (5), an annular concave-convex surface (6) and The ejector rod (7), the housing (4) is composed of an annular concave-convex surface (6) made of copper material, a cylinder (5) is arranged at the center of the inner bottom surface of the housing (4), and the housing (4) is (4) The inner upper end is provided with a rubber sleeve (2), and the temperature-sensitive wax (3) is filled between the inner wall of the housing (4) and the upper end rubber sleeve (2), and the top of the housing (4) is provided with A plug (1), the plug (1) abuts against the rubber sleeve (2), and the push rod (7) passes through the center of the plug (1) and is connected to the center of the rubber sleeve (2).

[0010] Such as figure 2 As shown, the annular concave-convex surface has a zigzag continuous surface, and the concave s...

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Abstract

A temperature sensing bulb is characterized in that a shell consists of an annular concave and convex surface made of a red copper material, a cylinder is arranged in the center of the inner bottom surface of the shell, space between the inner wall of the shell and a rubber sleeve at the upper end of the shell is filled with sensitive wax, a plug is arranged on the top of the shell, and an ejector rod penetrates through the center of the plug and is connected with the center of the rubber sleeve. Through thermal expansion and cold contraction of the wax, the ejector rod is driven to move to adjust the sizes of a cold water inlet and a hot water inlet, and the constant-temperature effect is achieved. The shell of the wax type temperature sensing bulb consists of the concave and convex surface, the short cylinder is placed in the bottom of the shell, by the structure, heating area is increased, the heat conduction efficiency of the wax type temperature sensing bulb is improved, and water temperature can be sensitively controlled to be constant.

Description

technical field [0001] The invention relates to a temperature-sensing package, in particular to a temperature-sensing package which uses the thermal expansion and contraction properties of wax to control the size of the hot and cold water inlet of a thermostatic valve. Background technique [0002] Because of its simple structure and no need for external drive, the thermostatic valve relies on the thermal expansion and contraction performance of the wax-type temperature sensor to control the opening of the hot and cold water inlet, thereby controlling the temperature of the water outlet. It is widely used in the cooling system of internal combustion engines and bathing. And petrochemical medium. Domestic research on wax-type temperature sensing devices began in the 1970s. The temperature-sensing design of the mixing valve can control the water temperature at the set value. When the water temperature is higher than the set value, the wax will start to melt and the volume wil...

Claims

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Application Information

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IPC IPC(8): F16K31/68
Inventor 张锋
Owner 天津市安博瑞科技有限公司
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