CN204720709U - The wall power sockets of charged system conversion and lightning proof - Google Patents

Abstract

A wall power socket with a power supply system conversion and lightning protection device, including a socket panel, on which an output socket and a USB socket are arranged, and a power supply voltage fast conversion device is also arranged on the socket panel, through which the power supply voltage can be quickly The conversion device changes the output power supply voltage of the socket to adapt to the requirements of different power supply system equipment; the described power supply voltage quick conversion device includes a power supply voltage quick conversion button and a power voltage converter; the power supply voltage quick conversion button is installed on the socket panel, A power voltage converter is connected under the power voltage fast switching button, and the power supply voltage output by the power socket is controlled and converted through the power voltage fast switching button; the socket circuit is also equipped with overcurrent, overheating and lightning protection devices, as well as an automatic recovery device . The utility model can effectively prevent lightning strikes or surges from impacting equipment, and can realize conversion between different power supply voltages through the power supply voltage conversion device.

Description

Wall power socket with power system conversion and lightning protection device

technical field

The utility model relates to a power socket installed on the wall, in particular to a wall multi-purpose socket power socket with multiple functions such as voltage conversion function, USB charging function and overheating and overcurrent protection function installed on the wall; A variety of sockets can meet the output requirements of various power sources. It is mainly used for power consumption of mobile terminal equipment, such as mobile phones, notebook computers, tablet computers, etc.; it is suitable for households, hotels and other places.

Background technique:

With the continuous advancement of science and technology and the times, more and more people travel across borders and go out to work. At the same time, mobile communication terminal devices, such as mobile phones, tablet computers, etc., are basically carried by everyone; but there are always people who forget to carry charging device or the terminal device cannot be charged due to reasons such as voltage mismatch. The traditional wall socket does not have the function of USB charging, nor does it have the function of voltage conversion. In thunderstorm weather, surges are prone to occur, causing equipment damage, so it can no longer meet the needs of current travelers; there is an urgent need for a socket that can perform voltage conversion (the international common voltage is generally 110V, and the domestic voltage is 220V). It meets the electrical socket requirements of American Standard, British Standard, and European Standard. At the same time, it also has the socket with USB charging function to prevent lightning strikes and surges to meet the needs of travelers from all over the world.

No patent literature reports on the same technology as the utility model are found through patent retrieval, and the patents that have a certain relationship with the utility model mainly include the following:

1. The patent number is CN201420719840, a utility model patent named "a new multifunctional wall power socket", which discloses a multifunctional wall power socket. Including: a socket body and panel, multiple USB installation holes, located on the upper part of the panel, with a USB plug inside; the USB plug passes through the USB installation hole, and is used to connect to the charging socket on the mobile phone; multiple charging The wires are respectively wound on the rotating sleeve located in the main body of the socket, one ends of the multiple charging wires are led out from the USB installation holes and connected to the USB plug, and the other ends of the multiple wires are respectively connected to the transformer.

2. The patent number is CN201320392476, a utility model patent named "multifunctional wall power socket", which discloses a multifunctional wall power socket, including a socket shell, a two-pin jack and a three-pin jack on the socket shell, The electrode tabs arranged in the jack, the power input line connected with the electrode tabs and the dust cover hinged with one end of the socket housing, the socket also includes a power rectifier and at least one USB socket, and the input end of the power rectifier It is connected with the power input line, and the output terminal of the power rectifier is connected with the USB socket, and can be charged through the USB data line.

3. The patent number is CN88214717, a utility model patent named "leakage protection combined power socket box", which discloses a leakage protection combined power socket box, which includes a box body, a box cover, box body and box cover Hinges for connection, ingot nuts for fixing the box cover and the box body, bolts matched with the ingot nuts, screen bases welded on the box cover, several sockets installed on the screen bases, switching elements in the box, and sockets for installing switching elements Insulation plate and mounts, terminal blocks and terminal mounts, and ground screw on the underside of the box.

Although the above-mentioned patents all relate to wall power sockets, and some of them involve multi-functional sockets, their functions are still limited to having USB sockets, but they cannot be applied to the needs of various power supply systems, and cannot realize the power supply standard. Conversion, and the leakage protection involved cannot prevent lightning strikes and surges, the system structure is complex, and it is difficult to install on the wall, so it still needs to be further improved.

Contents of the invention

The purpose of this utility model is to propose a power supply standard conversion and lightning protection device for the existing wall sockets with simple functions, inability to provide multi-system power supply, lack of protection against lightning strikes and surges, and lack of USB sockets. The wall power socket and its operation method, the wall power socket can quickly and directly convert the power supply system, and can provide effective lightning protection and surge protection, while providing a USB socket, which is convenient for safe use of mobile phones, notebook computers, and tablet computers.

In order to achieve this purpose, the utility model provides a wall power socket with a power supply system conversion and lightning protection device, which includes a socket panel, on which an output socket and a USB socket are arranged, and it is characterized in that in the socket The panel is also equipped with a power supply voltage fast switching device, through which the output power voltage of the socket can be changed to meet the requirements of different power supply system equipment; the power supply voltage fast switching device includes a power supply voltage fast switching button and a power supply Voltage converter; the power supply voltage fast switching button is installed on the socket panel, and a power voltage converter is connected under the power supply voltage fast switching button, and the power supply voltage output by the power socket is controlled and converted by the power supply voltage fast switching button; Equipped with overcurrent and overheating and lightning protection devices, as well as automatic recovery devices.

Further, the power supply voltage converter and the USB interface 5V DC power converter are respectively installed on the back of the socket panel; wherein, the power supply voltage converter is installed on the upper part of the back of the socket and is located on the output socket; the USB interface 5V DC power conversion The converter is installed on the side of the back of the socket, and the power supply voltage converter and the USB interface 5V DC power converter are respectively fixed on the back of the socket by fasteners.

Further, the power supply voltage converter and the USB interface 5V DC power converter are respectively provided with input and output wiring ports; wherein, the input port of the power voltage converter is connected to the mains and connected to the power line, and the output ends are respectively connected through the power wires. The output socket is connected with the input wiring port of the USB interface 5V DC power converter, and the output wiring port of the USB interface 5V DC power converter is connected with the USB interface.

Further, the overcurrent, overheating and lightning protection device is a lightning protection module, and the lightning protection module includes three piezoresistors, two fuses and a discharge tube; wherein, the two fuses are respectively connected in series to the outlet power supply Between the L line and the N line of the input line, the fuse will automatically cut off the current to avoid the occurrence of fire when the varistor is aging; the two varistors are respectively connected in parallel to the L and PE of the power input line, and the N and PE of the power input line. Line-to-ground protection is formed between PEs, so that the voltage between lines and ground will be controlled within the electrical withstand voltage range; the third varistor is connected in parallel between L and N of the power input line to form line-to-line protection; discharge The tubes are connected in series to the ground to prevent leakage.

Further, the overcurrent, overheating and lightning protection device includes an automatic recovery device with a rated output current of 4A and a maximum of 5A, which can effectively avoid the hidden danger of fire accidents caused by overheating of the contact pieces caused by the socket being connected to high-power electrical equipment.

Further, the power supply voltage fast conversion key is a touch key, a touch key switch is installed on the socket panel, the touch key switch is electrically connected to the power supply voltage fast converter, and the power supply voltage fast converter is controlled by the touch key switch power conversion.

Further, the power supply voltage quick conversion button is a push-button transfer switch, through the conversion of the push-button transfer switch, different power supply voltages are respectively connected to realize voltage conversion.

The utility model has the advantages of:

a) The lightning-proof wall universal socket with voltage conversion function and USB charging described above meets the requirements of American, British, and European electrical sockets;

b) The power converter 3 in the lightning protection wall universal socket with voltage conversion function and USB charging can perform voltage conversion from 110V to 220V as required, which meets the requirements of most foreign power sources; the one described above The lightning-proof wall universal socket with voltage conversion function and USB charging has overcurrent and overheating and lightning protection, and multiple functions of automatic recovery. The rated output current is 4A and the maximum is 5A, and the nominal discharge power of lightning is 10KA; The hidden danger of fire accident or equipment damage caused by overheating of the contact piece caused by entering high-power electrical equipment;

c) The lightning protection wall universal socket with voltage conversion function and USB charging has a 5V DC USB charging function, which can meet the charging needs of mobile phones and tablet computers;

d) The size of the lightning-proof wall universal socket with voltage conversion function and USB charging conforms to the installation size of the national standard "86" wall socket bottom box, and can directly replace the traditional wall socket without adding other accessories. The construction is simple and convenient.

Description of drawings

Fig. 1 is a schematic diagram of the panel of the lightning protection wall universal socket with voltage conversion function and USB charging of the utility model;

Fig. 2 is a schematic diagram of the universal ferrule described in a lightning protection wall universal socket with voltage conversion function and USB charging and a schematic diagram of installation with the socket panel;

3 is a schematic diagram of a voltage converter described in a lightning protection wall universal socket with voltage conversion function and USB charging;

4 is a schematic diagram of a USB interface 5V DC power converter described in a lightning protection wall universal socket with voltage conversion function and USB charging;

5 is a schematic diagram of the installation of the voltage converter 3, the USB interface 5V DC power converter 4 and the socket panel 1 described in a lightning protection wall universal socket with voltage conversion function and USB charging;

Figure 6 is a schematic diagram of the installation of a lightning protection wall universal socket with voltage conversion function and USB charging and the national standard "86" wall socket bottom box;

Figure 7 is a schematic diagram of the appearance of a lightning protection wall universal socket with voltage conversion function and USB charging;

Fig. 8 is a schematic diagram of the lightning protection circuit of the present invention.

Detailed ways

The utility model will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

Embodiment one

It can be seen from the accompanying drawings 1-3 that the utility model relates to a wall power socket with a power supply system conversion and a lightning protection device, which includes a socket panel, and an output socket and a USB socket are arranged on the socket panel, which is characterized in that , there is also a power supply voltage fast switching button on the socket panel, a power voltage converter is connected under the power voltage fast switching button, and the power supply voltage output by the power socket is controlled and converted by the power voltage fast switching button; there is also a power supply voltage in the socket circuit There are overcurrent and overheating and lightning protection devices, as well as automatic recovery devices.

The power supply voltage converter and the USB interface 5V DC power converter are respectively installed on the back of the socket panel; wherein, the power supply voltage converter is installed on the upper part of the back of the socket and is located on the output socket; the USB interface 5V DC power converter is installed On the side of the back of the socket, the power voltage converter and the USB interface 5V DC power converter are respectively fixed by fasteners.

The described power voltage converter and the USB interface 5V DC power converter are respectively provided with input and output wiring ports; wherein, the input port of the power voltage converter is connected to the mains power supply line, and the output end is respectively connected to the output socket through the power wire It is connected to the input connection port of the USB interface 5V DC power converter, and the output connection port of the USB interface 5V DC power converter is connected to the USB interface.

The overcurrent, overheating and lightning protection device is a lightning protection module, and the lightning protection module includes three piezoresistors, two fuses and a discharge tube; wherein, the two fuses are respectively connected in series to the socket power input line Between the live wire and the neutral wire, in case the varistor is aging, the fuse will automatically cut off the current to avoid the occurrence of a fire; the two varistors are respectively connected in parallel between the live wire and the ground wire of the power input wire, and between the neutral wire and the ground wire of the power input wire Form a line-to-ground protection between the lines, so that the voltage between the lines and the ground will be controlled within the electrical withstand voltage range; the third varistor is connected in parallel between the live line and the neutral line of the power input line to form line-to-line protection; the discharge tube It is connected in series between two piezoresistors and the wire connected to the ground wire, so that there is no leakage current.

The overcurrent, overheating and lightning protection device includes an automatic recovery device with a rated output current of 4A and a maximum of 5A, which can effectively avoid the hidden danger of fire accidents caused by overheating of the contact pieces caused by the socket being connected to high-power electrical equipment.

The power supply voltage fast conversion key is a touch key, and a touch key switch is installed on the socket panel, the touch key switch is electrically connected with the power supply voltage fast converter, and the power conversion of the power supply voltage fast converter is controlled by the touch key switch .

The power supply voltage fast conversion button is a button-type transfer switch, through the conversion of the button-type transfer switch, different power supply voltages are respectively connected to realize voltage conversion.

Described as follows in conjunction with accompanying drawing:

As shown in Figure 1, the lightning protection wall universal socket panel 1 with voltage conversion function and USB charging is provided with a universal ferrule port 2, a voltage conversion switch button hole 3, and 2 USB charging sockets on the front. Port 4, two M5 screw mounting ports 5; the back of the universal socket panel 1 is provided with 5 studs for fixing the voltage converter 6 and the USB interface 5V DC power converter 7.

As shown in Figure 2, the plug core 8 of the lightning protection wall universal socket with voltage conversion function and USB charging can meet the requirements of American standard, British standard and European standard electrical socket; The core 8 can be fixed on the socket panel 1 through the plastic fixing card of the ferrule itself.

As shown in Figure 3, the lightning protection wall universal fixed voltage converter 6 with voltage conversion function and USB charging can be converted between AC 110V and 220V through the voltage conversion button 9; the fixed voltage The converter 6 has multiple functions of overcurrent and overheat protection, automatic recovery, and the rated output current is 4A and the maximum is 5A; the fixed voltage converter 6 has a lightning protection function, and its nominal discharge current is 10KA; The hidden danger of fire accident or equipment damage caused by the overheating of the contact piece caused by entering high-power electrical equipment; the fixed voltage converter 6 is fixed on the back stud of the socket panel 1 through the screw hole 12, and the power converter The input and output wiring ports are set respectively on the top; the input port 10 is connected to the mains power supply line, and the output port 11 can be connected with the universal socket 8 and the USB interface 5V DC power converter 7 through the power wire. A blind hole 16 for installing the universal ferrule 8 and a gap 17 for installing the USB interface 5V DC power converter 7 are opened on the housing of the fixed voltage converter 6 .

As shown in Figure 4, described a kind of lightning protection wall universal socket USB interface 5V DC power converter 7 with voltage conversion function and USB charging has USB charging socket 14; Described USB interface 5V DC power converter 7 There are L, N, PE connection ports 13 on the top, which can be connected to the output terminals of the power converter 6 through power wires; the USB interface 5V DC power converter 7 is installed on the panel 1 by bolts through the installation holes 15 .

As shown in FIG. 5 , the voltage converter 6 and the USB interface 5V DC power converter 7 are fixed on the back of the socket panel 1 with M3 screws.

As shown in Figure 6, the lightning protection wall universal socket panel 1 with voltage conversion function and USB charging can be installed on the bottom box 18 of the traditional national standard wall socket, and fixed by screws;

As shown in Figure 7, the described overcurrent and overheating and lightning protection device is a lightning protection module, and the lightning protection module includes three piezoresistors, two insurances and a discharge tube; wherein, two insurances 19 and 20 are respectively connected in series between the live wire 21 and the neutral wire 22 of the power input line of the socket, so as to prevent the fuse from automatically cutting off the current when the varistor ages to avoid fire; the two varistors 23 and 24 are respectively connected in parallel to the live wire of the power input line 21 and the ground wire 25, the neutral wire 22 of the power input line and the ground wire 25 form a line-to-ground protection, so that the voltage between the line and the ground will be controlled within the electrical withstand voltage range; the third piezoresistor 26 Parallel connection between live line 21 and neutral line 22 of the power input line forms line-to-line protection; discharge tube 27 is connected in series between two piezoresistors 23 and 24 to ground line 25 to play a non-leakage effect.

As shown in Figure 8, in summary, a lightning protection wall universal socket with voltage conversion function and USB charging can perform mutual conversion between AC 110V and AC 220V according to user needs; the above-mentioned one with voltage conversion function and USB charging The charging lightning-proof wall universal socket has overcurrent and overheating and lightning protection protection, multiple functions of automatic recovery, rated output current 4A maximum 5A, lightning nominal discharge power 10KA; effectively prevent the socket from being damaged by thunderstorms or access to high-power electrical equipment The hidden danger of fire accident or equipment damage caused by overheating of the contact sheet; the universal ferrule can meet the requirements of American standard, British standard, and European standard electrical socket; the socket has a 5V DC USB charging function, which can meet the requirements of mobile phones, Tablet PC and other charging needs; the size of the lightning protection wall universal socket with voltage conversion function and USB charging conforms to the installation size of the national standard wall socket bottom box, and the traditional wall socket can be directly replaced without adding other accessories. The construction is simple and convenient, fully meets the requirements of most personnel, and is low in cost and suitable for large-scale promotion.

Obviously, the embodiments listed in the application are only examples for further describing the principle and structure of the present utility model, and any improvements made according to the principle of the utility model should belong to the protected scope of the utility model .

The utility model has the advantages of:

The utility model adopts the addition of a power supply voltage conversion device and a lightning protection device on the basis of an ordinary wall socket. It mainly has the following characteristics:

a) The lightning-proof wall universal socket with voltage conversion function and USB charging described above meets the requirements for electrical sockets of American, British, and European standards;

b) The power converter 3 in the lightning protection wall universal socket with voltage conversion function and USB charging can perform voltage conversion from 110V to 220V as required, which meets the requirements of most foreign power sources; the one described The lightning-proof wall universal socket with voltage conversion function and USB charging has overcurrent and overheating and lightning protection, and multiple functions of automatic recovery. The rated output current is 4A and the maximum is 5A, and the nominal discharge power of lightning is 10KA; The hidden danger of fire accident or equipment damage caused by overheating of the contact piece caused by entering high-power electrical equipment;

c) The lightning protection wall universal socket with voltage conversion function and USB charging described above has a 5V DC USB charging function, which can meet the charging needs of mobile phones, tablet computers, etc.;

The size of the lightning protection wall universal socket with voltage conversion function and USB charging complies with the installation size of the national standard "86" wall socket bottom box, and the traditional wall socket can be directly replaced without adding other accessories, and the construction is simple convenient.

Claims (7)

1. the wall power sockets of a charged system conversion and lightning proof, comprise a socket panel, socket panel is provided with accessory power outlet and USB, it is characterized in that, socket panel is also provided with supply voltage quick switching device, the output supply voltage of socket is changed, to adapt to the requirement of different electrical power standard equipment by supply voltage quick switching device; Described supply voltage quick switching device comprises a supply voltage rapid translating button and power supply voltage converter; Supply voltage rapid translating button is arranged on socket panel, is connected with power supply voltage converter, the supply voltage exported by key control and conversion power socket by supply voltage rapid translating under supply voltage rapid translating button; Overcurrent overheat and lightning protection device is also provided with in socket circuit, and automatic recovery device.

2. the wall power sockets of charged system conversion as claimed in claim 1 and lightning proof, it is characterized in that, described power supply voltage converter and USB interface 5V DC power converter are arranged on the socket panel back side respectively; Wherein, power supply voltage converter is arranged on the top of receptacle back not, is positioned on accessory power outlet; USB interface 5V DC power converter is arranged on the side of receptacle back, and power supply voltage converter and USB interface 5V DC power converter are fixed respectively by securing member.

3. the wall power sockets of charged system conversion as claimed in claim 2 and lightning proof, is characterized in that, described power supply voltage converter and USB interface 5V DC power converter are provided with constrained input Wiring port respectively; Wherein, power supply voltage converter input port connects civil power access power line, output is connected with the input wires port of USB interface 5V DC power converter with accessory power outlet respectively by power lead, and the output connection port of USB interface 5V DC power converter connects USB interface.

4. the wall power sockets of charged system conversion as claimed in claim 3 and lightning proof, it is characterized in that, described overcurrent overheat and lightning protection device are lightning-protection module, and described lightning-protection module comprises three piezo-resistances, two insurances and a discharge tube; Wherein, two insure be connected on socket power input line respectively between live wire and zero line, in case fuse can automatically cut off the generation that electric current avoid fire when piezo-resistance is aging; Two piezo-resistances are parallel to respectively between power input line live wire and ground wire, the zero line of power input line and ground wire and form line protection over the ground, and the voltage between this line-transect ground all can control in the withstand voltage scope of electrical equipment; 3rd piezo-resistance is parallel to be formed between line between the live wire of power input line and zero line and protects; Discharge tube is connected between the line that two piezo-resistances are connected with to ground wire, plays without leakage current effect.

5. the wall power sockets of charged system conversion as claimed in claim 4 and lightning proof; it is characterized in that; described overcurrent overheat and lightning protection device comprise automatic recovery device; the maximum 5A of output-current rating 4A, effectively avoid socket to cause fire everything because access high-power electric appliance equipment causes contact chip overheated thus hidden danger.

6. the wall power sockets of charged system conversion as claimed in claim 3 and lightning proof, it is characterized in that, described supply voltage rapid translating button is touch-key, socket panel is installed touch-key switch, touch-key switch is electrically connected with supply voltage sampler, by the Power convert of touch-key switch control rule supply voltage sampler.

7. the wall power sockets of charged system conversion as claimed in claim 3 and lightning proof, it is characterized in that, described supply voltage rapid translating button is button change over switch, by the conversion of button change over switch, connect different supply voltages respectively, realize the conversion of voltage.