WO2018166239A1

WO2018166239A1 - Wall power socket having usb charging device

Info

Publication number: WO2018166239A1
Application number: PCT/CN2017/112571
Authority: WO
Inventors: 梁培荣
Original assignee: 广州雷神电气制造有限公司
Priority date: 2017-03-17
Filing date: 2017-11-23
Publication date: 2018-09-20
Also published as: CN206574955U

Abstract

A wall power socket having a USB charging device, comprising: a USB charging device, provided at the middle part of an accommodation space formed by a panel (10) and a bottom cover (70); the USB charging device comprises a USB interface (21) and a USB charging circuit board (22); one side of the USB charging circuit board is provided with a first power supply pin, and the other side thereof is provided with a second power supply pin; the middle section of a live wire metal sheet (55) is provided along the upper portion or lower portion edge of the USB charging circuit board; and the middle section of a neutral line metal sheet (55) is provided along the lower portion or upper portion edge of the USB charging circuit board. Said socket makes the space arrangement compact and reasonable, such that despite having an additional USB charging function the appearance of the wall power socket does not change, and the dual wall power socket has both a function of USB charging and a function of powering external appliances.

Description

Wall outlet with USB charging device

Technical field

The utility model relates to a power socket, in particular to a wall power socket with a USB charging device.

Background technique

In order to use electricity safety, countries around the world have set standards for power outlets. For single-wall power outlets, the size of the power outlet is specified in many countries, as well as the size of the reserved space in the wall for mounting the socket. In the British standard, for the installation of double-inserted wall outlets, the bottom of the wall is pre-set with a height of 70 mm, a width of 130 mm and a depth of about 32 mm. Only two sets of power jacks for connecting electrical plugs can be placed on such wall outlets.

Nowadays, mobile electronic devices are becoming more and more popular, and electronic devices need to be charged frequently, and it is inconvenient to carry the power adapter at any time. If you install a wall USB charging socket on a wall that has already been refurbished, you will need to dig holes and wiring on the wall, which can be very troublesome. If the existing wall outlet is removed and converted into a USB charging wall socket, the power socket for connecting the electrical plug will be reduced, which will bring new troubles to daily work and life.

Utility model content

The utility model provides a wall power socket with a USB charging device, which does not need to replace or increase the prefabricated cylindrical cylinder for installing a power socket in the wall body without changing the outer size of the existing wall power socket, and does not reduce The above problem is solved in the case where the number of power sockets of the original electrical plug is connected.

According to an aspect of the present invention, a power socket with a USB charging device is provided, including a panel and a bottom cover disposed on a rear side of the panel; a central portion of the receiving space formed by the panel and the bottom cover is provided with a USB charging device; The charging device comprises a USB interface and a USB charging circuit board connected to the USB interface; one side of the USB charging circuit board is provided with a first power pin, and the other side is provided with a second power pin; the first power pin comprises a first fire pin And the first neutral pin, the second power pin includes a second live pin and a second neutral pin; the first live pin and the second live pin are connected by a live wire, and the first zero pin and the second neutral pin pass The neutral wire metal piece is connected; the middle part of the live wire metal piece is disposed along the upper or lower edge of the USB charging circuit; the middle part of the neutral wire metal piece is disposed along the lower or upper edge of the USB charging circuit board; the panel is provided with the position and shape of the USB interface USB jack; the panel is provided with a power jack corresponding to the position and shape of the first power pin and the second power pin.

The wall power socket of the utility model is provided with a USB charging device formed on the panel and the bottom cover In the middle of the accommodating space, two power pins are respectively disposed on two sides of the USB charging circuit board, and the live wire metal piece and the neutral wire metal piece are disposed along the upper or lower edge of the USB charging circuit board. This arrangement makes the space arrangement compact and reasonable, so that the shape of the wall power socket with the USB charging function is not changed, and the wall power socket which only has the power socket for connecting the external electrical plug can be directly replaced, so that the double body The wall outlet can also have the USB charging function and the function of supplying power to the external appliance, which is more suitable for the needs of modern life.

In some embodiments, the USB charging circuit board of the present invention is provided with two USB interfaces, and the USB interface is located at an upper portion of the USB charging circuit board; the first power pin is located at the lower left side of the USB charging circuit board, and the second power pin is located The lower right side of the USB charging circuit board; respectively, a switch is disposed above the first power pin and the second power pin. This arrangement allows the internal structure of the socket to be compact, and there is sufficient space between the external jacks, which do not affect each other during use.

In some embodiments, the live wire metal piece of the present invention comprises a five-segment metal piece sequentially connected; the first live wire metal piece is integrally formed with the first live wire pin; the first live wire metal piece and the second live wire metal piece are connected by a switch; The third live wire metal piece is semi-frame shaped and disposed along an upper edge of the USB charging circuit board; the fourth metal piece and the fifth live wire metal piece are connected by a switch; the fifth live wire metal piece is integrally formed with the second live wire pin; the first live line The metal piece is bent to the right in an L shape, the second fire wire metal piece is a half frame shape with an opening upward, and the fourth metal piece is a half frame shape with an opening upward. This setup facilitates the mounting of components in the production socket and also saves raw materials when preparing the live wire.

In some embodiments, the fixed end of the switch is integrally formed on the right end of the fourth metal piece of the present invention, and the fixed end of the switch is integrally formed on the left end of the second live wire; the fixed end is semi-framed, and the two sides are provided The ear portion is provided with a mounting hole in the ear portion, and the middle portion of the fixed end portion is provided with a forward protruding portion; the moving piece of the switch is provided with wings on both sides, and the wing portion is placed in the mounting hole. The fixed end of the switch is integrally formed with the live wire metal piece to make the conductive effect better. The moving piece is hinged to the fixed end, and the hinge is more wear-resistant, which can extend the life of the switch.

In some embodiments, the neutral wire of the present invention has a semi-frame shape disposed along a lower edge of the USB charging circuit board; the first neutral pin is integrally formed with the neutral wire; the upper end of the second neutral pin is The neutral wire is connected, and the upper end of the second neutral pin extends upward to the neutral connector. This arrangement facilitates the mounting of components in the production socket and also saves raw materials when preparing neutral wire sheets.

In some embodiments, the first live pin and the second live pin of the present invention, and the first neutral pin and the second neutral pin are semi-frame shaped with an open front, the front end is folded outward, and the upper vertical panel The rear portion is an arc portion, and the opening width is smaller than the inner width. The upper vertical panel can increase the contact area with the plug of the external electrical plug and the neutral pin and the live pin. The rear part adopts a curved arrangement to make the neutral pin and the live pin have better elasticity, and the external electrical plug has a hot wire. After the plug is inserted and removed, the neutral pin and the live pin can be quickly restored.

In some embodiments, the present invention further includes a first power pin and a second power plug. Mis-insertion guard at the front end of the foot.

In some embodiments, the mis-insertion guard of the present invention includes a main body, the upper part of the main body is a ground block, the lower left side is a neutral line block, and the right side is a fire line block; the fire line block and the neutral line block are bent. The part is connected to the main body, and the grounding strip is provided with a sloped surface, and the mis-insertion guard is connected with the panel or the bottom cover through the elastic member. When the plug of the external electric appliance is inserted into the power jack of the power socket, the grounding rod of the plug first contacts the inclined surface on the ground strip, and the force on the ground rod acts on the inclined surface, so that the mis-insertion protection device as a whole Move down, the neutral bar and the live wire stop no longer block the live and neutral pins, and the plug can be inserted into the socket smoothly. The mis-insertion protection device has a simple structure and is stable and reliable in use.

DRAWINGS

1 is a schematic exploded view of a wall power socket with a USB charging device according to an embodiment of the present invention.

2 is a schematic view showing the internal structure of the wall power socket with a USB charging device shown in FIG. 1;

3 is a schematic structural view of a first power pin and a second power pin of the wall power socket with a USB charging device shown in FIG. 2, and a live wire metal piece and a neutral wire metal piece;

4 is a schematic structural view of the live wire metal piece, the first live wire pin, and the second fire wire pin shown in FIG. 3;

5 is a schematic structural view of the neutral wire piece, the first neutral wire pin, and the second neutral wire pin shown in FIG. 3;

FIG. 6 is a schematic structural diagram of a mis-insertion preventing device for a wall power socket with a USB charging device according to another embodiment of the present invention.

detailed description

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

1 to 5 schematically show the structure of a wall power socket with a USB charging device according to an embodiment of the present invention.

As shown in FIGS. 1 to 5, the wall outlet is of British size, including the panel 10 and the panel 20 of the panel, and a bottom cover 70 disposed at the rear of the panel 10. The panel 10 has a width of 146 mm and a height of 92 mm. The bottom cover 70 has a width of 120 mm and a height of 85 mm. The socket has a wall penetration depth of 19.5 mm. A mounting bracket 90 is provided behind the panel 10.

A USB charging device is disposed in a middle portion of the accommodating space formed by the panel 10 and the bottom cover 70. The USB charging device includes a USB interface 21, and a USB charging circuit board 22 connected to the USB interface 21.

The USB charging circuit board 22 is provided with a first power pin on one side and a second power pin on the other side. The first power pin includes a first live pin 51 and a first neutral pin 61, and a first ground pin 71. The second power pin includes a second live pin 52 and a second neutral pin 62, and a second Ground pin 72.

The first live pin 51 and the second live pin 52 are connected by a live wire piece 55, and the first neutral pin 61 and the second neutral pin 62 are connected by a neutral wire 66. The middle portion of the live wire sheet 55 is disposed along the upper or lower edge of the USB charging circuit board 22. The middle section of the neutral wire 66 is disposed along the lower or upper edge of the USB charging circuit board 22.

The USB charging circuit board 22 is provided with two USB interfaces 21, and the USB interface 21 is located at the upper portion of the USB charging circuit board 22. The first power pin is located on the lower left side of the USB charging circuit board 22, and the second power pin is located on the lower right side of the USB charging circuit board 22. A switch 30 is disposed above the first power pin and the second power pin, respectively.

In the present embodiment, the neutral metal piece 66 is U-shaped, and the live wire metal piece 55 is "several". The fire wire metal piece 55 is provided with two switches 30 for controlling the on and off of the first live wire pin 51 and the first neutral wire pin 61, respectively.

As shown in FIG. 4, the live wire metal piece 55 includes five pieces of metal pieces which are sequentially connected. The first live wire metal piece 551 is integrally formed with the first live wire pin 51; the first live wire metal piece 551 and the second live wire metal piece 552 are connected by the switch 30; the third live wire metal piece 553 is half-frame shaped along the USB charging circuit board 22 The upper edge metal piece 554 is connected to the fifth live wire metal piece 555 through the switch 30; the fifth live wire metal piece 555 is integrally formed with the second live wire pin 52. The middle portion of the second live wire 552 is connected to the live wire connector 41 of the external power source.

To match the position of the switch 30 on the panel 10, the first live wire 551 is bent to the right, the second live wire 552 is a left half frame, and the fourth metal piece 554 is a right half frame.

A fixed end 31 of the switch 30 is integrally formed on the right end of the fourth metal piece 554. The fixed end 31 has a semi-frame shape, and the two sides are provided with an ear portion 311, and the ear portion 311 is provided with a mounting hole 3111. A forward protrusion 312 is provided in the middle of the fixed end 31. The protrusion 312 is provided to make the contact between the fixed end 31 of the switch and the rotor 32 more stable. The rotor 32 of the switch 30 is provided with wings 322 on both sides, and the wings 322 are placed in the mounting holes 3111. The front lower portion of the movable piece 32 is provided with a contact 321 which can be in contact with the fifth live wire metal piece 555. An elastic member (not shown) is provided between the fixed end 31 and the movable piece 32.

The fixed end 31 of the switch 30 is also integrally formed above the left end of the second live wire metal piece 552. This switch 30 is disposed in the same manner as the switch 30 above the right end of the fourth metal piece 554. The switch on the left is an assembly schematic, and the switch 30 on the right is a schematic view of the exploded structure.

The first live pin 51 and the second live pin 52 have a semi-frame shape with an open front, the front end is folded outward, and the rear portion is an arcuate portion 521 having an opening width smaller than the inner width. This arrangement makes the first live pin 51 and the second live pin 52 more resilient. After the live plug of the external electrical plug is inserted and removed, the first live pin 51 and the second live pin 52 can be quickly restored.

As shown in FIG. 5, the neutral metal piece 66 has a semi-frame shape and is disposed along the lower edge of the USB charging circuit board 22. The first neutral pin 61 is integrally formed with the neutral wire piece 66. First zero line pin 61 and The 20-wire pin 62 has a semi-frame shape with an open front, the front end is folded outward, the upper vertical panel, the rear portion is an arcuate portion 521, and the opening width is smaller than the inner width. The upper vertical panel can increase the contact area with the plug of the external electrical plug and the neutral pin and the live pin, and the rear portion is curved to make the first zero pin 61 and the second neutral pin 62 have better elasticity. After the hot-wire plug of the external electrical plug is inserted and removed, the first neutral pin 61 and the second neutral pin 62 can be quickly restored. The upper end of the 20th line pin 62 is coupled to the neutral wire 66, and the upper end of the second neutral pin 62 extends upwardly to the neutral joint 42.

The wall power socket of the utility model sets the USB charging device in the middle of the accommodating space formed by the panel and the bottom cover, and the two power pins are respectively disposed on two sides of the USB charging circuit board, and the live wire metal piece and the zero wire metal piece are charged along the USB. The upper or lower edge of the board is placed. This arrangement makes the space arrangement compact and reasonable, so that the shape of the wall power socket with the USB charging function is not changed, and the wall power socket which only has the power socket for connecting the external electrical plug can be directly replaced, so that the double body The wall outlet can also have the USB charging function and the function of supplying power to the external appliance, which is more suitable for the needs of modern life.

The panel 10 is provided with a USB jack 12 corresponding to the position and shape of the USB interface 21, and is provided with a power jack 11 corresponding to the position and shape of the first power pin and the second power pin, and is also provided with the position of the switch 30. The opening corresponding to the shape.

It is also possible to misplace the guard 80 at the front end of the first power pin and the second power pin.

In the present embodiment, as shown in FIG. 6, the mis-insertion guard 80 has a trilobal shape, and includes a main body 88. The upper portion of the main body 88 is a ground block 83, the lower left side is a neutral block 82, and the right side is a fire block. 81. The live wire block 81 and the neutral wire block 82 are connected to the main body 88 through the bent portion 85, so that the positions of the live wire blocking piece 81 and the neutral wire blocking piece 82 are placed forward with respect to the main body 88, leaving a position for the live wire and the neutral wire pin. The position of the live pin and the neutral pin are also correspondingly forward, so that the contact area of the live wire rod and the neutral bar of the external electric appliance and the corresponding live pin and the neutral pin can be increased. The ground shield 83 is provided with a slope 831, and the mis-insertion guard 80 is connected to the panel 10 or the bottom cover 70 by an elastic member. When the plug of the external electric appliance is inserted into the power jack of the power socket, the grounding rod of the plug first contacts the inclined surface 831 on the ground strip 83, and the force on the ground rod acts on the inclined surface 831, so that the whole error The insertion guard 80 is moved downward, and the neutral bar 82 and the fire block 81 no longer block the live pin and the neutral pin, and the plug can be smoothly inserted into the socket.

What has been described above is only some embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and scope of the invention.

Claims

A wall power socket with a USB charging device, comprising: a panel (10) and a bottom cover (70) disposed on a rear side of the panel (10);

A central portion of the accommodating space formed by the panel (10) and the bottom cover (70) is provided with a USB charging device; the USB charging device includes a USB interface (21), and USB charging connected to the USB interface (21) Circuit board (22);

One side of the USB charging circuit board (22) is provided with a first power pin, and the other side is provided with a second power pin;

The first power pin includes a first live pin (51) and a first neutral pin (61), and the second power pin includes a second live pin (52) and a second neutral pin (62);

The first live pin (51) and the second live pin (52) are connected by a live wire piece, and the first neutral pin (61) and the second neutral pin (62) are connected by a neutral wire;

The middle portion of the live wire metal piece (55) is disposed along an upper or lower edge of the USB charging circuit board (22);

a middle portion of the neutral wire sheet (66) is disposed along a lower or upper edge of the USB charging circuit board (22);

The panel (10) is provided with a USB jack (12) corresponding to the position and shape of the USB interface (21);

The panel (10) is provided with a power jack (11) corresponding to the position and shape of the first power pin and the second power pin.
The wall outlet according to claim 1, wherein the USB charging circuit board (22) is provided with two USB interfaces (21), and the USB interface (21) is located on the USB charging circuit board ( The upper part of 22);

The first power pin is located at a lower left side of the USB charging circuit board (22), and the second power pin is located at a lower right side of the USB charging circuit board (22);

A switch (30) is respectively disposed above the first power pin and the second power pin.
The wall power socket according to claim 2, wherein the live wire metal piece (55) comprises five pieces of metal pieces sequentially connected; the first fire wire metal piece (551) is integrally formed with the first fire wire pin (51); a live wire metal piece (551) and a second live wire metal piece (552) are connected by a switch (30); the third live wire metal piece (553) is semi-frame shaped, disposed along an upper edge of the USB charging circuit board (22); The four metal pieces (554) are connected to the fifth live wire metal piece (555) through the switch (30); the fifth live wire metal piece (555) is integrally formed with the second live wire pin (52);

The first live wire metal piece (551) is bent to the right in an L shape, and the second live wire metal piece (552) is opened. The semi-frame shape of the mouth is upward, and the fourth metal piece (554) is a half frame shape with an opening upward.
The wall power socket according to claim 3, wherein the fixed end (31) of the switch (30) is integrally formed on the right end of the fourth metal piece (554), and the upper end of the second fire wire metal piece 552 is integrally formed a fixed end (31) of the switch (30);

The fixed end (31) has a semi-frame shape, two sides are provided with an ear portion (311), the ear portion (311) is provided with a mounting hole (3111), and the middle portion of the fixed end portion (31) is provided with a forward protruding portion (312);

The rotor (32) of the switch (30) is provided with wings (322) on both sides, and the wings (322) are placed in the mounting holes (3111).
The wall power socket according to claim 2, wherein the neutral wire metal piece (66) has a semi-frame shape and is disposed along a lower edge of the USB charging circuit board (22);

The first neutral wire pin (61) is integrally formed with the zero wire metal piece (66);

The upper end of the 20th line pin (62) is connected to the neutral wire piece (66), and the upper end of the second zero line antenna (62) extends upward to the neutral line joint (42).
The wall outlet of claim 1 wherein said first live pin (51) and second live pin (52), and first neutral pin (61) and second neutral pin (62) It is a semi-frame shape with the opening forward, the front end is folded outward, the upper part is perpendicular to the panel (10), the rear part is an arc part (521), and the opening width is smaller than the inner width.
The wall outlet according to any one of claims 1 to 6, further comprising a mis-insertion guard (80) provided at the front end of the first power pin and the second power pin.
The wall outlet according to claim 7, wherein said mis-insertion guard (80) comprises a body (88), the upper part of the body (88) is a ground block (83), and the lower left side is a zero line block. The piece (82) and the right side are the fire line block (81);

The live wire blocking piece (81) and the neutral wire blocking piece (82) are connected to the main body (88) through a bent portion (85), and the ground wire blocking piece is provided with a slope surface (831), and the mis-insertion preventing device (80) It is connected to the panel (10) or the bottom cover (70) by an elastic member.