阅读说明：本技术 一种充电插头自动断电系统 (Charging plug auto-power-off system ) 是由 田海飞 于 2018-08-27 设计创作，主要内容包括：一种充电插头自动断电系统,通过设置线性马达使充电插头与电源插座在充电时连接和未充电时断开,安全性能高,节约电能的同时,提高电池使用寿命。(The utility model provides a charging plug auto-power-off system, makes charging plug and supply socket connect when charging and disconnection when not charging through setting up linear motor, and the security performance is high, when practicing thrift the electric energy, improves battery life.)

1. An automatic power-off system of a charging plug is characterized by comprising the charging plug, a power socket, a control unit and a linear motor, wherein the power socket is two holes or three holes, corresponding charging plugs are matched with the power socket, a guide rod hole is formed in the middle of the power socket, and a guide rod of the linear motor can enter and exit from the guide rod hole; the control system monitors the battery for charge saturation and controls the operation of the linear motor.

2. The system of claim 1, wherein the control unit sends a command to the linear motor when the battery is fully charged after the guide bar of the linear motor is hidden in the power socket in the non-operating state, the linear motor is operated to extend a certain length from the guide bar hole to force the charging plug to be separated from the power socket, the charging connection is disconnected, and then the control unit controls the linear motor to rotate reversely to retract the guide bar.

Technical Field

The invention belongs to the technical field of charging equipment, and particularly relates to an automatic power-off system of a charging plug.

Background

At present, a common charging pile for an electric vehicle is simple in structure, a charging plug is exposed to the outside, the charging plug and a socket are easily polluted, the cleanliness of the charging plug and the socket is affected, meanwhile, the charging plug cannot be automatically pulled out after charging is completed, the battery is easily damaged, electric energy is easily wasted, the charging pile is always connected with a power supply in the charging or non-charging process, and unsafe factors such as electric leakage or electric shock of a power socket when a child plays are caused.

Disclosure of Invention

The invention aims to solve the technical problems and provides an automatic power-off system of a charging plug, which enables the charging plug and a power socket to be connected during charging and disconnected during non-charging by arranging a linear motor, has high safety performance, saves electric energy and prolongs the service life of a battery.

The technical scheme adopted by the invention is as follows: an automatic power-off system for a charging plug comprises the charging plug, a power socket, a control unit and a linear motor. The power socket is two holes or three holes, corresponding charging plugs are matched with the power socket, a guide rod hole is formed in the middle of the power socket, and a guide rod of the linear motor can enter and exit from the guide rod hole; the control system monitors the charging saturation condition of the battery and controls the operation of the linear motor, and a guide rod of the linear motor is hidden behind a power socket in a non-working state.

When the charging plug is plugged into a power socket for charging, the guide rod of the linear motor is hidden behind the power socket, the control system monitors the charging saturation condition of the battery, when the battery is charged to saturation, the control unit sends an instruction to the linear motor, the linear motor operates to enable the guide rod to extend out of the guide rod hole for a certain length, the charging plug is forced to be separated from the power socket, the charging connection is disconnected, then the control unit controls the linear motor to rotate reversely, the guide rod is retracted, and the next working condition to be charged is entered.

Compared with the prior art, the invention has the advantages that:

1. after the charging is finished, the control unit sends out a control signal to enable the linear motor to run, so that the charging plug is forced to be separated from the power socket, the charging connection between the power socket and the charging plug is disconnected, the separation after the charging is finished is realized, the electric energy is saved, and the service life of a charging battery of the electric vehicle is prolonged;

2. simple structure, low system cost, low failure rate, convenient operation and good protection effect.

Detailed Description

An automatic power-off system for a charging plug comprises the charging plug, a power socket, a control unit and a linear motor. When the charging plug is plugged into a power socket for charging, the guide rod of the linear motor is hidden behind the power socket, the control system monitors the charging saturation condition of the battery, when the battery is charged to saturation, the control unit sends an instruction to the linear motor, the linear motor operates to enable the guide rod to extend out of the guide rod hole for a certain length, the charging plug is forced to be separated from the power socket, the charging connection is disconnected, then the control unit controls the linear motor to rotate reversely, the guide rod is retracted, and the next working condition to be charged is entered.

The above-mentioned embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and therefore, all equivalent changes made by the contents of the claims of the present invention should be included in the claims of the present invention.