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Electric water heater circuit with pasteurization function

An electric water heater, pasteurization technology, applied in disinfection, fluid heater, heating, etc., can solve problems such as illness

Inactive Publication Date: 2012-07-18
LUDONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the water dispenser used in daily life, its internal heating water storage device is often in a normal temperature state, which will inevitably breed a lot of bacteria. If it is not heated and sterilized before drinking, the human body is easily affected by bacteria and causes illness.

Method used

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  • Electric water heater circuit with pasteurization function
  • Electric water heater circuit with pasteurization function
  • Electric water heater circuit with pasteurization function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] Such as figure 1 As shown, when the button SB1 is pressed, the control circuit K13 forms a self-lock, the relay coil J1 is energized, K11 is closed, and the heating circuit is closed. During this process, the refrigeration circuit is always disconnected.

[0012] Such as figure 1 As shown, when the button SB2 is pressed, the voltage signal generated by the bridge cannot reach the upper limit threshold voltage 2 / 3Vcc of the Schmitt trigger composed of NE555 after being amplified by AD620, and the output of the Schmitt trigger composed of NE555 is High level, CD4013 is not triggered, its pin 13 outputs high level, the coils of relays J1 and J2 are both energized, K21 is closed to form a self-lock, K11 is closed, the heater starts to heat, K12 is disconnected, and the refrigeration circuit is disconnected. When the temperature rises to 80 degrees Celsius, the output of the Schmitt trigger composed of NE555 becomes low level, J2 is still powered, and the relay J1 is powere...

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PUM

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Abstract

The invention discloses an electric water heater circuit with a pasteurization function, which comprises a power circuit, a heater circuit controlled by a relay J1 and a sterilization and disinfection circuit controlled by the relay J1 and a relay J2. The disinfection principle is as follows: heating liquid from normal temperature to 80 DEG C at a rate of at least 0.5 DEG C / min, then cooling the liquid rapidly to 40 DEG C at a rate of at least -0.5 DEG C / min, and then reheating the liquid. Therefore, the purpose of sterilization and disinfection can be achieved through performing such heating and cooling processes twice.

Description

technical field [0001] The invention relates to the field of sterilization and disinfection, and more specifically relates to an electric water heater circuit with pasteurization and disinfection functions. Background technique [0002] In real life, in order to save water and energy, the temperature of the water heater is generally not adjusted too high, so bacteria are easy to breed inside. For example, the water dispenser used in daily life, its internal heating water storage device is often in a normal temperature state, which will inevitably breed a lot of bacteria. If it is not heated and sterilized before drinking, the human body is easily affected by bacteria and causes illness. Therefore it is very necessary to design a disinfection device capable of heat sterilization. Contents of the invention [0003] In order to overcome the deficiencies of the existing technology and further improve the function of the existing electric water heater, the present invention ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H9/20A61L2/04A61L2/24
Inventor 李宏光程月波白艳梅
Owner LUDONG UNIVERSITY