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Vacuum hot water unit safety protection system

A hot water unit, safety protection technology, applied in heat storage heaters, fluid heaters, lighting and heating equipment, etc., can solve the problems of single protection of the safety protection system, failure to reach the safe state of the vacuum heat exchange system, etc. To achieve the effect of safe use environment and safe use

Inactive Publication Date: 2016-09-14
魏田艳
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the safety protection system of most vacuum water heater control systems in the domestic market is only a single protection, which cannot reach the safety state required by the vacuum heat exchange system.

Method used

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  • Vacuum hot water unit safety protection system

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Embodiment Construction

[0012] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0013] In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. By analogy, the present invention is therefore not limited to the specific examples disclosed below.

[0014] Such as figure ...

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Abstract

The invention discloses a safety protection system for a vacuum hot water unit, and relates to the technical field of water heaters with heat generating devices. Including PLC electric control cabinet, secondary water return water temperature sensor, secondary water outlet temperature sensor, medium water temperature sensor, vacuum pressure sensor, temperature switch, water level electrode, top gas temperature sensor, burst disc and pressure switch. The system can monitor parameters such as outlet water temperature, return water temperature, medium water temperature, top temperature, vacuum degree pressure, voltage and current, water level and water flow in real time of the vacuum hot water unit, making it safer and more reliable to use. The system is especially suitable for hot water supply systems in places such as hotels, shopping malls, hospitals, baths, schools, etc., providing a safer environment for people's lives.

Description

technical field [0001] The invention relates to the technical field of water heaters with heat generating devices, in particular to a safety protection system for vacuum hot water units. Background technique [0002] The oil-fired gas vacuum hot water unit works by using the characteristic that the boiling temperature of water varies under different pressures. Under one atmospheric pressure, the boiling temperature of water is 100°C, and the vacuum hot water unit works in the pressure range below -0.02Mpa, and the corresponding heat medium water temperature is lower than 93°C. Under pressure, the combustion raises the temperature of the heat medium water to the saturation temperature, and produces steam at the same temperature on the water surface. Safety protection is an important part of the control system of the vacuum hot water unit. At present, most of the control systems of vacuum hot water units in the domestic market have only a single protection system for their s...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H7/02F24H9/20
Inventor 寿建新闫红霞张军邸亚琴刘云枫赵天顺魏溪
Owner 魏田艳