Control system used for automatic start-close type bath heater

A control system, open and close technology, applied in the electronic field, can solve the problems of unstable output drive current, unable to control the temperature of Yuba, etc., to achieve the effect of ensuring stability, prolonging service life, and maintaining stable current

Inactive Publication Date: 2016-08-31
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 defect 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 provides a self-opening and closing Yuba control system

Method used

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  • Control system used for automatic start-close type bath heater

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Embodiment

[0016] 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 a transistor switch buffer circuit. And the base drive circuit.

[0017] During implementation, the negative pole of the polarity capacitor C5 is connected to the collector of the triode VT2 through the resistor R9, and its positive pole 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 control chip U. The N pole of the Zener diode D3 is connected to the VDD pin of the control chip U, and its P pole is connected to the RC pin of the control chip U through the resistor R8. The transistor switch buffe...

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PUM

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Abstract

The invention discloses a control system used for an automatic start-close type bath heater. The system is mainly formed by a control chip U, 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 base electrode driving circuit connected to the control chip U, wherein an N pole of the voltage stabilizing diode D3 is connected to a VDD base pin of the control chip U and a P pole of the voltage stabilizing diode D3 passes through a resistor R8 and then is connected to an RC base pin of the control chip U; and the transistor switch buffer circuit is connected in series between the temperature controller and the control chip U. The system can control a temperature of a heating lamp of the bath heater, which means that the system can control on and off of a bath heater working current, therefore, the system is ensured to control the temperature of the bath heater. Simultaneously, the system can restrain an instant high current of an input current so that the current can keep stable, a stable driving current can be output and stability of the bath heater heating temperature is ensured.

Description

technical field [0001] The invention relates to the field of electronics, in particular, it is a control system for a self-opening and closing bathroom heater. 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 flow. Conte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D23/20
CPCG05D23/20
Inventor 李云粉
Owner CHENGDU FEIKAIRUI TECH CO LTD
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