CN202949097U - Automatic power-off socket - Google Patents

Abstract

The utility model discloses a plug-in strip that can automatically cut off power, which comprises a plug-in strip body, the plug-in strip body is provided with a socket for plugging in an electrical socket, and the connection end between the socket body and a power line is provided with an automatic power cut-off The control system is provided with a time relay and a measurement relay in the control system, and a time setting button and a display screen are provided outside the control system; a USB charging interface is also provided on the plug-in body, and the plug-in A transformer electrically connected to the USB charging interface is also arranged in the body. The utility model can automatically cut off the power supply, is safe, convenient and reliable to use, does not need special personnel to take care of it, can effectively protect electric equipment or batteries from being damaged due to long-time power supply, and simultaneously avoids the phenomenon of waste of electricity.

Description

A power strip that can automatically cut off the power

technical field

The utility model relates to a plug-in strip, in particular to a plug-in strip capable of automatically powering off.

Background technique

With the improvement of people's living standards and the increasing popularity of household appliances, plug-in strips have become more and more widely used. However, for some special electrical equipment, the power-on time has higher requirements, such as for batteries or equipment. When charging, it often causes damage to electrical equipment or batteries due to forgetting to unplug the power supply, which brings great economic losses to people. In addition, for computer rooms, laboratories, teaching buildings and other occasions that require a lot of electrical equipment, forgetting to cut off the power of some electrical appliances will not bring particularly serious consequences, but it will still cause a lot of waste in the long run.

Utility model content

In order to avoid the disadvantages of the above-mentioned prior art, the utility model provides a plug-in strip that can automatically cut off the power.

The technical scheme adopted in the utility model is:

A plug-in strip that can automatically cut off power, comprising a plug-in strip body, the plug-in strip body is provided with a socket for inserting an electrical socket, and the connection end between the socket body and the power cord is provided with a control system for automatically cutting off the power supply. The control system is provided with a time relay and a measurement relay, and the control system is provided with a time setting button and a display screen outside; the plug-in body is also provided with a USB charging interface, and the plug-in body is also provided with a A transformer electrically connected to the USB charging interface.

The socket body is also provided with a power indicator light and a manual switch button.

Owing to adopting above-mentioned technical scheme, the beneficial effect that the utility model obtains is:

The utility model can automatically cut off the power supply, is safe, convenient and reliable to use, does not need special personnel to take care of it, can effectively protect electric equipment or batteries from being damaged due to long-time power supply, and simultaneously avoids the phenomenon of power consumption waste.

Description of drawings

Fig. 1 is the structural representation of the utility model.

in,

1. Plug body 2. Socket 3. Power indicator 4. Manual switch button 5. Control system 6. Time setting button 7. Display 8. USB charging interface 9. Transformer

Detailed ways

The utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the utility model is not limited to these embodiments.

As shown in Figure 1, a plug-in strip that can automatically cut off power includes a plug-in strip body 1, and the plug-in strip body 1 is provided with a socket 2 for plugging in an electrical socket, a power indicator light 3 and a manual switch button 4, The connection end between the socket body 1 and the power cord is provided with a control system 5 that automatically cuts off the power supply. The control system 5 is provided with a time relay (not shown) and a measurement relay (not shown). The control system 5 A time setting button 6 and a display screen 7 are arranged on the outside; a USB charging interface 8 is also arranged on the plug-in body 1 , and a transformer 9 electrically connected to the USB charging interface 8 is also arranged in the plug-in body 1 .

In the process of use, after connecting the plug-in strip to the mains, the power indicator 3 lights up, indicating that the power supply has been connected. At this time, press the manual switch button 4, and the plug-in strip is in a working state. For electrical appliances that need to be charged, pass The time setting button 6 set on the socket body 1 sets the time when the electrical appliance needs to be charged, and then electrically connects the charged electrical appliance to the plug strip, the normally open contact of the time relay is closed, and the circuit is turned on. After the set time is reached, the normally open contact of the time relay is disconnected, the circuit is disconnected, and the charging is completed, which avoids the phenomenon of damage to the charging appliance caused by long-term charging; A loop is formed between the electrical equipment, and the measuring relay is pulled in by sufficient pull-in current on the measuring relay, the working indicator light is on, the normally open contact of the relay is closed, and the circuit is turned on. When the main electrical equipment is turned off , because the power consumption between it and the equipment is small and cannot maintain the pull-in of the relay, the normally open contact of the measuring relay is opened, the circuit is cut off, and the waste of power consumption is avoided.

It should be further explained that the specific embodiments described herein are only illustrations for the spirit of the present utility model. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the utility model or go beyond the appended claims defined range.

Claims (2)

1. The utility model provides a but row of inserting of auto-power-off, is including inserting the row body, it is provided with the socket of inserting electric socket to establish on the row body to insert its characterized in that: the socket comprises a socket body, a power line, a time relay, a measurement relay, a time setting button and a display screen, wherein the socket body is connected with the power line and is provided with a control system for automatically cutting off a power supply; the power strip is characterized in that a USB charging interface is further arranged on the power strip body, and a transformer electrically connected with the USB charging interface is further arranged in the power strip body.

2. The power strip of claim 1, wherein: the socket body is further provided with a power indicator lamp and a manual switch button.

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