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Multi-circuit processing type automatic opening and closing control system for bath heater

A control system and self-opening and closing technology, which is applied in the electronic field, can solve the problems of unstable output drive current and inability to control the temperature of Yuba, and achieve the effect of ensuring stability, improving stability, and preventing damage to the load

Inactive Publication Date: 2016-08-24
CHENGDU FEIKAIRUI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects that the Yuba control system in the prior art cannot control the temperature of the Yuba, and at the same time, the output drive current is unstable, and provide a multi-circuit processing type self-opening and closing Yuba control system

Method used

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  • Multi-circuit processing type automatic opening and closing control system for bath heater
  • Multi-circuit processing type automatic opening and closing control system for bath heater
  • Multi-circuit processing type automatic opening and closing control system for bath heater

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Embodiment

[0021] Such as figure 1 As shown, the present invention mainly consists of a control chip U, a temperature controller, a triode VT2, a resistor R5, a resistor R6, a resistor R8, a resistor R9, a polar capacitor C4, a polar capacitor C5, a Zener diode D3, and an overcurrent protection circuit. It consists of a current adjustment circuit, a transistor switch buffer circuit, and a base drive circuit.

[0022] During implementation, the overcurrent protection circuit is connected in series between the base drive circuit and the ORV pin of the control chip U. The negative electrode of the polarity capacitor C5 is connected to the collector of the triode VT2 through the resistor R9, and its positive electrode is connected to the COV pin of the control chip U through the resistor R6. The positive electrode of the polarity capacitor C4 is connected to the RC pin of the control chip U after passing through the resistor R5, and its negative electrode is connected to the FB pin of the c...

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Abstract

The invention discloses a multi-circuit processing type automatic opening and closing control system for a bath heater. The multi-circuit processing type automatic opening and closing control system is characterized in that the control system mainly consists of a control chip U, a current foldback circuit, a base electrode driving circuit, a temperature controller, a triode VT2, a polar capacitor C5, a polar capacitor C4, a voltage-stabilizing diode D3, a transistor switch buffer circuit, and a current regulating circuit serially connected between an FB pin of the control chip U and the base electrode driving circuit. The control system can control the temperature of warming lamps of the bath heater, namely the control system can control the on and off of the working current of the bath heater, so that the control system can control the temperature of the bath heater. Moreover, the control system can inhibit instant high current of input current, so that the current keeps stable, the control system can output stable driving current, and the heating temperature stability of the bath heater is guaranteed.

Description

technical field [0001] The invention relates to the field of electronics, in particular, it is a multi-circuit processing type self-opening and closing Yuba control system. Background technique [0002] Yuba has been widely accepted and adopted by people because of its fast heating, environmental protection, and convenient use. However, the control system of the Yuba currently used by people cannot control the temperature of the Yuba, resulting in an excessively high temperature in the bathroom, which causes people to often suffer from hypoxia due to high temperature when using the Yuba. At the same time, the existing Yuba control system still has the problem of unstable output driving current, which leads to unstable heating temperature of Yuba's warming lamp, thus affecting the service life of Yuba's warming lamp. [0003] Therefore, it is urgent to provide a Yuba control system that can not only control the temperature of the Yuba but also ensure a stable output driving ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B1/02
CPCH05B1/0277
Inventor 李云粉
Owner CHENGDU FEIKAIRUI TECH CO LTD
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