CN211958168U

CN211958168U - Charging socket supporting wireless use

Info

Publication number: CN211958168U
Application number: CN202020995399.2U
Authority: CN
Inventors: 陶志豪
Original assignee: Xijing University
Current assignee: Xijing University
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2020-11-17
Anticipated expiration: 2030-06-03

Abstract

A charging socket supporting wireless use comprises a shell, wherein a USB interface, a three-hole socket, a two-hole socket and a switch are sequentially arranged on the shell, and one end of the shell is detachably connected with a lead; a charging energy storage module and a voltage-reducing chopping module are arranged in the shell; when the socket is normally used, a wire is installed, the mains supply is connected, and the socket is connected with electric equipment through the three-hole socket and the two-hole socket, so that the equipment can be electrified like a common socket; in the process of connecting the mains supply, the switch is turned on to charge the capacitor in the socket, and after the charging is finished, the lead is disassembled to use the socket as a movable power supply; the utility model has the advantages of simple structure, small volume, easy carrying and wide application range.

Description

Charging socket supporting wireless use

Technical Field

The utility model relates to a row of inserting charges, concretely relates to support wireless use to charge and insert row.

Background

Traditional row of inserting that charges needs the wire to be connected the commercial power and uses in certain extent, when taking place to have a power failure, can't provide normal power consumption, and can not have the function of the energy storage of charging, and the function is single, portable and use not convenient for.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a charging socket supporting wireless use, which can support the use of the traditional socket and can also be used by being separated from a lead; has the advantages of simple structure, small volume, easy carrying and wide application range.

In order to realize the purpose, the utility model discloses the technical scheme who takes does:

a charging socket supporting wireless use comprises a shell 1, wherein a USB interface 2, a three-hole socket 3, a two-hole socket 4 and a switch 5 are sequentially arranged on the shell 1, and one end of the shell 1 is detachably connected with a wire 6; a charging energy storage module 7 and a buck chopper module 8 are arranged in the shell 1;

the lead 6 is connected in series on a closed loop formed by connecting a USB interface 2, a three-hole socket 3, a two-hole socket 4, a charging energy storage module 7 and a voltage-reducing chopper module 8 in parallel; the USB interface 2 is connected in parallel with an output capacitor C2 of the buck chopper module 8.

The number of the USB interface 2, the three-hole socket 3 and the two-hole socket 4 is at least one, and the USB interface, the three-hole socket and the two-hole socket can be arranged according to actual needs.

The charging energy storage module 7 comprises a shunt resistor Rz, a diode Dz, a capacitor C1 and a switch 5; the shunt resistor Rz and the diode Dz are connected in parallel to form a loop, one end of the capacitor C1 is connected in series with the loop, the other end of the capacitor C1 is connected in series with the switch 5, the input end Us is connected in series with the input internal resistance Ri, then is connected in series with the loop formed by the shunt resistor Rz and the diode Dz, and finally is connected in series with the capacitor C1 and the switch 5 to form a closed loop.

The buck chopper module 8 comprises an insulated gate bipolar transistor IGBT, a freewheeling diode VD, an energy storage inductor L and an output capacitor C2; the insulated gate bipolar transistor IGBT is connected with a freewheeling diode VD in parallel and then is connected with the energy storage inductor L and the output capacitor C2 in series.

The beneficial effects of the utility model reside in that:

the charging energy storage module 7 is arranged in the power strip, so that the power strip can be charged, and the electric energy stored in the power strip is processed into output voltage with proper size through voltage reduction chopping by the voltage reduction chopping module 8 and is transmitted to a mobile phone, a panel and other equipment for charging; the utility model has the advantages of simple structure, small volume, easy carrying and wide application range.

Drawings

Fig. 1 is the utility model discloses a wireless charging inserts the appearance structure sketch map of row.

Fig. 2 is a circuit diagram of the wireless charging strip of the present invention.

Fig. 3 is a flow chart of the wireless charging strip of the present invention.

In the figure: 1. a housing; 2. a USB interface; 3. a three-hole receptacle; 4. a three-hole receptacle; 5. a switch; 6. a wire; 7. a charging energy storage module; 8. and a buck chopper module.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a charging strip supporting wireless use comprises a shell 1, wherein a USB interface 2, a three-hole socket 3, a two-hole socket 4 and a switch 5 are sequentially arranged on the shell 1, and one end of the shell 1 is detachably connected with a wire 6; a charging energy storage module 7 and a buck chopper module 8 are arranged in the shell 1;

Referring to fig. 2, the charging energy storage module 7 includes a shunt resistor Rz, a diode Dz, a capacitor C1, and a switch 5; the shunt resistor Rz and the diode Dz are connected in parallel to form a loop, one end of the capacitor C1 is connected in series with the loop, the other end of the capacitor C1 is connected in series with the switch 5, the input end Us is connected in series with the input internal resistance Ri, then is connected in series with the loop formed by the shunt resistor Rz and the diode Dz, and finally is connected in series with the capacitor C1 and the switch 5 to form a closed loop.

The buck chopper module 8 comprises an insulated gate bipolar transistor IGBT, a freewheeling diode VD, an energy storage inductor L and an output capacitor C2; the insulated gate bipolar transistor IGBT is connected with a freewheeling diode VD in parallel and then is connected with an energy storage inductor L and an output capacitor C2 in series for filtering at the output end.

When the socket is used as a common socket, the lead 6 is connected with the input end Us, and the electric equipment is connected with the output end of Uout 1.

When the charging socket is used as a charging socket, the switch 5 is turned off firstly, and then the input end Us charges the capacitor C1; after charging is completed, the electric energy stored in the capacitor C1 flows to a rear insulated gate bipolar transistor IGBT through the diode DZ; when the insulated gate bipolar transistor IGBT is in a Ton state, the energy storage inductor L stores energy, and the current flowing through the energy storage inductor L is increased linearly to provide energy for the output end; when the insulated gate bipolar transistor IGBT is in a Toff state, the output capacitor C2 continues current through the freewheeling diode VD, and the current flowing through the energy storage inductor L is linearly reduced; by controlling the switch 5 and the duty ratio between Toff and Ton of the insulated gate bipolar transistor IGBT, the electric energy stored in the capacitor C1 is transmitted to the load through the output end Uout2, so that the effect of voltage reduction and chopping is achieved.

The utility model discloses a theory of operation does:

referring to fig. 2 to 3, when in normal use, a lead 6 is installed, mains supply is connected, and the three-jack socket 3 and the double-jack socket 4 are connected with electric equipment, so that the equipment can be powered on like a common socket; in the process of connecting the mains supply, a button of the switch 5 is turned on, so that the capacitor C1 in the socket can be charged, and after the charging is finished, the wire 6 is detached, so that the socket can be used as a movable power supply; the buck chopper module 8 is arranged in the power strip and discharges through the USB interface 2, and devices such as a mobile phone and a tablet which are commonly used by people can be connected with the USB interface 2 for mobile charging.

The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.

Claims

1. The utility model provides a support row of inserting that charges of wireless use, includes shell (1), its characterized in that: the USB interface (2), the three-hole socket (3), the two-hole socket (4) and the switch (5) are sequentially arranged on the shell (1), and one end of the shell (1) is detachably connected with a lead (6); a charging energy storage module (7) and a buck chopper module (8) are arranged in the shell (1);

the lead (6) is connected in series on a closed loop formed by connecting a USB interface (2), a three-hole socket (3), a two-hole socket (4), a charging energy storage module (7) and a voltage reduction chopper module (8) in parallel; the USB interface (2) is connected with an output capacitor (C2) of the buck chopper module (8) in parallel.

2. A charging socket according to claim 1, wherein: the number of the USB interface (2), the three-hole socket (3) and the two-hole socket (4) is at least one.

3. A charging socket according to claim 1, wherein: the charging energy storage module (7) comprises a shunt resistor (Rz), a diode (Dz), a capacitor (C1) and a switch (5); the shunt resistor (Rz) and the diode (Dz) are connected in parallel to form a loop, one end of a capacitor (C1) is connected in series with the loop, the other end of the capacitor (C1) is connected in series with the switch (5), an input end (Us) is connected in series with an input internal resistor (Ri), then is connected in series with the loop formed by the shunt resistor (Rz) and the diode (Dz), and finally is connected in series with the capacitor (C1) and the switch (5) to form a closed charging energy storage module (7).

4. A charging socket according to claim 1, wherein: the buck chopper module comprises an Insulated Gate Bipolar Transistor (IGBT), a freewheeling diode (VD), an energy storage inductor L and an output capacitor (C2); an Insulated Gate Bipolar Transistor (IGBT) is connected with a freewheeling diode (VD) in parallel and then is connected with an energy storage inductor (L) and an output capacitor (C2) in series.