Control device for electric steam generator

A technology for steam generators and control devices, which is applied in the direction of steam generation, control systems, lighting and heating equipment, etc., which can solve the problems that automatic control cannot be realized, and achieve the effect of high reliability and accurate measurement

Inactive Publication Date: 2015-12-09
李传聪
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Water replenishment is often done manually

Method used

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  • Control device for electric steam generator
  • Control device for electric steam generator

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Embodiment Construction

[0022] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0023] Such as Figure 1~2 As shown, an electric steam generator control device includes a digital display 1, a central controller 2, an AC contactor 3, an alarm 4, a pressure switch 5, a water level sensor 9, a temperature sensor 10, and a pressure relief valve 11;

[0024] Press the start button of the central controller 2, the central controller 2 first collects the boiler water level signal sent by the water level sensor 9, if it is lower than the low water level, the water shortage alarm, at the same time, start the water pump 6 through the AC contactor 3 to replenish water until it reaches the high water level and stop ;

[0025] The central controller 2 sets the control temperature T1 (steam lower temperature), T2 (steam upper temperature), T3 (safety alarm temperature), and...

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PUM

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Abstract

The invention discloses a control device for an electric steam generator. The control device comprises a central controller, a digital display, a water level sensor, a temperature sensor, a pressure switch, water supplementing control, heating control and a safety protection system. The water level sensor and the temperature sensor are installed in a boiler, and water level and temperature signals in the boiler are collected respectively. The central controller controls a water supplementing and heating system to work. The safety protection system is composed of a pressure switch, a pressure release valve, a warner and a central controller safety control module. The central controller can set a steam temperature range and control a heater to be on or off, and accordingly the generation of constant-temperature steam is automatically controlled. When the temperature is higher than a set warning temperature, the central controller performs control to stop heating and give an alarm. When a safety switch set value is exceeded, the heater is further disconnected; and when a safety valve set threshold is exceeded, pressure starts to be released. The digital display displays steam temperature and pressure.

Description

technical field [0001] The invention relates to the field of steam generating equipment, in particular to a control system of an electric steam generator. Background technique [0002] Steam generators are widely used in catering, garment factories, dry cleaners and other industries. It uses an electric heater to heat the water in the boiler to generate steam. The pressure and temperature of the steam are generally realized by the pressure switch controlling the opening and closing of the electric heater. Due to the mechanical characteristics of the pressure switch, frequent work has a high failure rate and is easy to fail. Water replenishment is often done manually, and automatic control cannot be realized. The invention realizes automatic control of the steam generator, can continuously and stably generate steam at a certain temperature, and is equipped with multiple protection measures to ensure safe operation of the steam generator. Contents of the invention [000...

Claims

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Application Information

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IPC IPC(8): F22B35/00
Inventor 李传聪
Owner 李传聪
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