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Liquid pipeline emptying anti-freezing device

A technology of antifreeze device and liquid pipeline, applied in valve device, heating device, solar thermal device and other directions, to achieve the effect of simple structure, convenient and practical control, and avoiding freezing damage

Inactive Publication Date: 2013-02-13
丁文信
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the shortcomings of the existing pipeline emptying valve, the present invention proposes a liquid pipeline emptying antifreeze device

Method used

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Experimental program
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Embodiment Construction

[0013] according to figure 1 As shown, the upper end of the water pipe is connected with a water injection and discharge solenoid valve 1, one side of which is connected to the water container 5 through a connecting pipe 5.2, a water level sensor switch 5.1 is installed in the water container, and the lower end of the water injection and discharge solenoid valve is installed through a water pipe 4 There is a water discharge solenoid valve 2, a water discharge nozzle 3 is installed on the water pipe, and a water supply solenoid valve 9 is installed on the water pipe between the water discharge solenoid valve and the water injection and discharge solenoid valve through the tap water pipe.

[0014] The structure of the water injection and discharge solenoid valve is: the valve body 1.1 of the water injection and discharge solenoid valve is a tubular structure, with a valve seat 1.11 at the end of the connecting pipe, an electromagnetic driver 1.3 is installed at the other end of the v...

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Abstract

The invention provides a liquid pipeline emptying anti-freezing device. A water injection and drainage electromagnetic valve is arranged at the upper end of a water pipe, a drainage electromagnetic valve is arranged at the lower end of the water pipe, a water supply electromagnetic valve is arranged on the water pipe between the drainage electromagnetic valve and the water injection and drainage electromagnetic valve through a tap water pipe, and a drainage nozzle is arranged on the water pipe. The water injection and drainage electromagnetic valve and the drainage electromagnetic valve are controlled through a drainage electric switch and a water injection electric switch. Because the water injection and drainage electromagnetic valve and the drainage electromagnetic valve are arranged at the upper end and the lower end of the water pipe respectively, an emptying pipe can be communicated with a drainage pipe by the actions of the electromagnetic valves, accumulated water in the waterpipe is drained, and the water pipe is prevented from being frozen. The device has the characteristics of simple structure, reliable operation, convenience, practicability and convenience for control. The device is suitable to be installed in a solar water heater or other device for injecting and draining anti-freezing liquid.

Description

Technical field [0001] The invention proposes a device in the field of automatic control, specifically a liquid pipeline emptying antifreeze device. Background technique [0002] Before the present invention was proposed, taking solar water heaters as an example, the problem of anti-freezing water pipes was solved by winding an electric heating belt on the pipeline connected to the water storage device installed on the roof of the building. The disadvantage is that it wastes electric energy and is also easy to cause safety accidents such as fire and leakage. Another way to prevent the water pipe from freezing is to manually open the vent valve on the upper water pipe to release the water in the water pipe, so as to avoid freezing and blocking the water pipe and causing the water pipe to be frozen. The disadvantage is that when the water pipe needs to be emptied, people need to go up to a high place. One is not safe, and the other is cumbersome and inconvenient to operate. Summa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K11/22F16K31/06F24J2/46
CPCY02E10/40
Inventor 丁文信
Owner 丁文信
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