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Pressure balance type temperature control bellow element

A balanced, membrane box technology, applied in the direction of temperature control without auxiliary power supply, can solve the problems of short service life and unstable working performance, and achieve the effect of long service life and stable working performance

Active Publication Date: 2009-01-07
银球节能工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of short service life and unstable working performance of existing temperature control metal sheet components, the present invention discloses a temperature control bellows component, aiming to provide a pressure-balanced temperature control device with long service life and stable working performance. Capsule element

Method used

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  • Pressure balance type temperature control bellow element

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0012] like figure 1 Shown, the present invention is mainly made up of upper diaphragm (1), sealing sheet (2), middle diaphragm, lower diaphragm (4) airtight welding, wherein upper diaphragm (1), middle diaphragm (3) and lower The diaphragm (4) is directly formed by stamping, the sealing sheet (2) is fixed on the middle diaphragm (3), and the formula liquid is sealed and stored between the upper diaphragm (1) and the middle diaphragm (3). When the external temperature reaches the boiling point of the temperature-sensing liquid, the temperature of the formula liquid between the upper diaphragm (1) and the middle diaphragm (3) begins to rise, the liquid gradually volatilizes and turns into a gas, the volume expands, and the pressure begins to increase. The diaphragm (3) moves outward. When the temperature reaches saturation, the liquid in the diaphragm b...

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Abstract

Provided is a pressure-balancing temperature control bellows element for associative use in manufacture of pressure pipelines, which is precisely manufactured with a full-stainless steel material, thereby being high temperature resistant, corrosion resistant, acid and alkali resistant, highly sensitive, and stable in operation. When the external pressure is changed, the element can be adjusted automatically, thereby ensuring the balance of the internal pressure and the external pressure, and long service life.

Description

technical field [0001] The invention relates to the field of temperature control, in particular to a pressure-balanced temperature-control bellows element used as a manufacturing accessory for a pressure pipeline element. Background technique [0002] At present, in the field of temperature control, the principle of thermal expansion and contraction of bimetal is generally adopted. The driving force is generated by the deformation of the bimetal when the temperature changes, and the function of the switch is realized, which is called a temperature control metal sheet element. Although the temperature-controlled metal sheet element can achieve the effect of automatic switching, the element still has the problems of short service life and unstable working performance. Under the long-term temperature difference, the metal sheet is prone to metal fatigue, the deformation coefficient is reduced, and the function of complete closure cannot be achieved. The fatigue period is genera...

Claims

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Application Information

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IPC IPC(8): G05D23/02
Inventor 李生辉李能彬
Owner 银球节能工程有限公司
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