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Home appliance load switcher

A switcher and household appliance technology, applied in the field of electricity, can solve problems such as tripping of overcurrent protection devices, excessive current, affecting normal power consumption, etc., and achieve the effect of avoiding excessive current

Inactive Publication Date: 2011-03-16
ELECTRIC POWER OF HENAN LUOYANG POWER SUPPLY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the use of these household appliances, it often happens that two or more high-power household appliances are used on one power line at the same time. Tripping for protection, affecting normal power consumption
Even if you pay attention to this problem in normal use, it is still inevitable that when misoperation occurs, it will cause the overcurrent protection device to trip, which will bring inconvenience to daily life.

Method used

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Examples

Experimental program
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Embodiment Construction

[0013] combine figure 1 When the present invention is implemented, the master electrical appliances in the line are used to control the connection or disconnection of the power supply lines of the slave electrical appliances.

[0014] combine figure 2 , the circuit is composed of L1 current transformer, U1 photo-controlled silicon controlled rectifier and K1 high-power relay. , so that the silicon controlled rectifier conducts, the relay pulls in, and the working power of the slave appliance is disconnected; otherwise, the working power of the slave appliance is turned on.

[0015] L1 uses a small current transformer, and R1 is selected according to the voltage that can be generated by the secondary coil of the current transformer; U1 uses MOC3306. Through 0.2A current; K1 adopts the relay of model NT90THLAE220CB, which has the characteristics of small size and large switching current, and the maximum switching current of its contacts reaches 40A.

[0016] When in use, if ...

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Abstract

The invention discloses a home appliance load switcher and relates to a control device in the field of electricity. Home appliances which may be used at the same time are divided into a master home appliance and a slave home appliance in a master-slave way. The connection or disconnection of a power supply circuit of the slave home appliance is controlled by using the switching state of the switch of the master home appliance, so that the phenomenon that two home appliances are used at the same time is avoided and then over high current in the circuit is avoided.

Description

technical field [0001] The invention relates to a control device in the electrical field, in particular to a household appliance load switcher which simplifies manual operation and sequentially controls the states of electrical switches. [0002] Background technique [0003] With the continuous improvement of people's living standards, the number of household appliances in a family is constantly increasing, and the power of a single household appliance is also increasing. During the use of these household appliances, it often happens that two or more high-power household appliances are used on one power line at the same time. Tripping for protection, affecting normal power consumption. Even if you pay attention to this problem in normal use, it is still inevitable that the overcurrent protection device will trip when misoperation occurs, which will bring inconvenience to daily life. [0004] Contents of the invention [0005] The purpose of the present invention is to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/04
Inventor 张富刚丁亚伟李宏涛梅林黄文佳禹冰寇启龙
Owner ELECTRIC POWER OF HENAN LUOYANG POWER SUPPLY
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