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Solar anti-freeze bellows pressure gauge

A technology of solar energy and bellows, applied in the field of instruments, can solve problems such as high pressure, inaccurate measurement, and rupture of water pipelines

Inactive Publication Date: 2015-01-28
成都卓微科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in open air use, especially in cold seasons, the water entering the pressure gauge may condense and freeze, resulting in inaccurate pressure measurement, and even permanent deformation of the elastic components of the pressure gauge.
Inaccurate measurement, which may cause excessive pressure in the water supply process and rupture the water pipeline

Method used

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  • Solar anti-freeze bellows pressure gauge

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Effect test

Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0018] like figure 1 As shown, a solar antifreeze bellows pressure gauge includes a gauge head 1 and a joint 2, and a bellows 3 used as a pressure transmission device is arranged in the joint 2. The joint 2 is wrapped with an anti-overheating layer 4, a heating layer 5, and a thermal insulation layer 7 in sequence; the anti-overheating layer 4 is filled with antifreeze; the heating layer 5 is formed between the overheating prevention layer 4 and the thermal insulation layer 7 The cavity is filled with water; the cavity is inserted with a heating rod 6; the heat insulation layer 7 is filled with polyurethane foam, and the heat insulation layer is provided with a solar induction panel 8 connected to the heating rod, and the solar energy A plurality of heat-absorbing pipes are evenly distributed on the induction plate 8, and a connection through ...

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Abstract

The invention discloses a solar anti-freeze bellows pressure gauge and belongs to the field of gauges. The solar anti-freeze bellows pressure gauge comprises a gauge head and a connector. The connector is coated with an overheating preventing layer, a heating layer and a heat insulation layer in sequence. The overheating preventing layer is filled with anti-freeze liquid. The heating layer is a cavity formed between the overheating preventing layer and the heat insulation layer and filled with water. A heating bar is inserted into the cavity. A solar sensing plate connected with the heating bar is arranged outside the heat insulation layer. A connecting through hole is formed in the upper end of the heat insulation layer. By the adoption of the solar anti-freeze bellows pressure gauge, the problem that a water pressure gauge used outdoors is inaccurate in measurement due to the cold weather is effectively solved.

Description

technical field [0001] The invention relates to the field of instruments, in particular to a solar antifreeze bellows pressure gauge. Background technique [0002] In the water supply system, the pressure represents an essential measuring instrument, often used in the open air. Before the pressure gauge is installed at the factory, there is a cavity with a certain volume inside the pressure gauge. When in use, a small amount of medium will enter this cavity to generate pressure and compress the elastic element. However, in open-air use, especially in cold seasons, the water entering the pressure gauge may condense and freeze, resulting in inaccurate pressure measurement, and even causing permanent deformation and failure of the elastic components of the pressure gauge. Inaccurate measurement may cause excessive pressure in the water supply process to rupture the water pipeline. Contents of the invention [0003] The present invention aims to provide a solar antifreeze be...

Claims

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Application Information

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IPC IPC(8): G01L7/06
Inventor 刘林
Owner 成都卓微科技有限公司
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