TWI636629B - Extension cord socket with wireless charging - Google Patents

Abstract

An extension cord socket includes an upper cover, a lower cover, a power cord, a power control module, and a separate assembly socket; the power control module and the partition assembly socket are respectively accommodated in a chamber; One end of the power cable is electrically connected to the power control module; the other end of the power cable is provided with a plug connector; the upper cover is provided with three power switch through holes, at least one AC power through hole and at least one USB charging through hole; The three power switch through holes respectively correspond to the positions of the three power switches; the at least one AC power supply through hole corresponds to the position of a pair of mounting seats; and the power switches respectively electrically control an alternating current The plug connector, a wireless charging module and a USB charging module are electrically turned on or off to achieve the intended function and purpose of the present invention.

Description

Extension cord socket with wireless charging

The present invention relates to a power outlet, and more particularly to an extension cord socket having wireless charging.

Please refer to Figures 1 and 2, which is the "separate assembled socket" case disclosed in the Chinese Patent No. I520448. The structure includes: a main assembly (icon 10) and a pair Mounting seat (icon 20); and the main mounting seat (coordinate 10) has a pair of seats (icon 12), the sub-mount (icon 20) has a main seat (not shown) And connected to the sub-mount (icon 12) of the main mount (icon 10); and the main mount (icon 10) can be used to install a plurality of power switches (icon 70), a a conductive member (icon 30) and a second conductive member (icon 40); and the first conductive member (icon 30) has a plurality of integrally formed plug portions (icon 37), the plurality of power switch groups (icon 70) Each of the modules is connected to a plug portion (icon 57), and the plurality of power switch groups (icon 70) are used to individually control whether the plug portion (icon 57) and the second conductive member (icon 40) are Electrically connected; wherein the plurality of plugs (icons 37, 57) are immediately opposite each other after assembly, That is, an external power plug (not shown) can be inserted; and the sub-mount (icon 20) can be used to install a third conductive member (icon 90) for providing grounding. Finally, the partition assembled socket and its components are assembled and then installed in a casing (not shown) containing an external power cord (not shown), which is generally available. Commercially available extension cord power outlets.

However, the partition assembly socket disclosed above and the extension cord power socket using the partition assembly are only suitable for general commercial AC 110V/220V or only for AC-DC power supply. If the user wants to use the above method, it will inevitably add the corresponding extension cord power socket for serial use. Therefore, in addition to the cost of the tube pin of the extension cable socket, the phenomenon that the electrical circuit and the socket are short-circuited or damaged due to electrical abnormalities may cause unpredictable consequences; As to how to effectively improve the aforementioned deficiency, it is the object of the present invention.

In view of the foregoing, the object of the present invention is to provide an extension cord socket having an AC power supply function, a wireless charging function, and a USB charging function, in addition to allowing the user or the consumer to freely select the AC power supply and wireless charging using the extension cord socket. In addition to USB charging, it also significantly reduces the cost of purchasing additional extended-line power outlets and increases the security of power usage.

To achieve the above object, the present invention provides an extension cord socket comprising:

An upper cover, a lower cover, a power cord, a power control module, and a separate assembled socket; and the upper cover corresponds to the lower cover and is assembled to form a chamber and a through hole, and the through hole is Connected to the chamber; the power control module and the separate assembly socket are respectively accommodated in the chamber; and one end of the power cord is electrically connected to the power source through the through hole The control module; the other end of the power cord is provided with a plug connector for electrically connecting to a power source externally.

The separate assembled socket includes:

a main mounting base has a bottom, a peripheral wall, an accommodating space, a first card slot, a second card slot and a plurality of snap portions; and the accommodating space is surrounded by the peripheral wall at the bottom The first card slot and the second card slot are formed by recessing from the outer surface of the peripheral wall toward the body, and the first card slot is opposite to the second card slot, and a position adjacent to the bottom of the main mounting seat; and the first card slot and the second card slot are disposed in a staggered direction with the accommodating space; and the engaging portions are from the outer surface of the peripheral wall The protrusion is formed and disposed at a position on the side of the first card slot.

At least one of the first sub-mounts has a joint portion for engaging and fixing with the latching portion of the main mount.

The second auxiliary mounting bases are respectively provided with a joint portion for engaging and fixing with the engaging portions of the main mounting seat;

a first conductive member is disposed in the first card slot of the main mounting seat; and the first conductive member has a plurality of first plug portions, and each of the first conductive members is respectively attached to the at least one first sub-mount The position of one side of the seat and the position of the side of the second sub-mount.

The third conductive members are respectively disposed in the accommodating spaces of the main mounting bases, and any one of the second conductive members has a second plug portion, and each of the second conductive portions is respectively attached to the at least one corresponding portion. The other side of the first submount or the other side of any of the second submounts.

A third conductive member is disposed in the second card slot of the main mounting seat.

The three power switches are respectively disposed in the accommodating space of the main mounting seat, and one end of the first conductive member, one end of the second conductive members, and one end of the third conductive member are respectively electrically Connect to the power switch.

A wireless charging module has a first conductive portion and a second conductive portion; wherein the first conductive portion is electrically connected to a first plug portion of the first conductive member, and the second conductive portion The portion is electrically connected to the second plug portion of the second conductive member, and electrically controls whether the wireless charging module is electrically turned on or off through a power switch.

a USB charging module having a first conductive portion and a second conductive portion; wherein the first conductive portion is electrically connected to the first plug portion of the other first conductive member, and the second The conductive portion is electrically connected to the second plug portion of the other second conductive member, and electrically controls whether the USB charging module is electrically turned on or off through another power switch.

Wherein, the upper cover is provided with three power switch through holes, at least one AC power through hole and at least one USB charging through hole; and any one of the power switch through holes corresponds to the position of any of the power switches, and The power switch is exposed through the power switch through hole; and the at least one AC power through hole corresponds to the position of the at least one first submount, and is configured to provide an external AC plug connector And the at least one USB charging through hole corresponds to the position of the USB charging module for providing an external USB plug connector.

The first conductive member, the second conductive member, the third conductive member and the fourth conductive member are electrically connected to the power control module, and the power supplies are respectively The switch is electrically connected to the external power source, and electrically controls the AC plug connector, the wireless charging module, and the USB charging module to be electrically turned on or off by the power switches.

Preferably, the wireless charging module is disposed in the main mounting base or in the second sub-mounting seat; and the USB charging module is disposed in the main mounting base or disposed in another The sub-mounting seat.

Preferably, the extension cord socket further includes at least one guard member embedded in the at least one AC power supply through hole of the upper cover and corresponding to the position of the at least first submount; and the at least one The guard member is provided with a plurality of jacks for providing an external plug of the AC plug connector.

In the following, the structural characteristics of the present invention and their intended effects will be described in detail by way of the examples and the accompanying drawings. First, in the embodiments and drawings, the same reference numerals are used to indicate the same. Or elements, components, objects, structures, systems, structures, devices, processes, methods, or steps that are similar.

Please refer to FIG. 1 to FIG. 3 , which is a wireless charging extension cord socket 90 according to a first preferred embodiment of the present invention, comprising: an upper cover 91, a lower cover 92, a power cord 93, and a power supply. The control module 96 and a separate assembled socket 10. The separate group socket 10 includes:

A main mounting base 20 has a bottom portion 201, a peripheral wall 202, an accommodating space 203, a first card slot 21, a second card slot 23, and a plurality of latching portions 25; and the accommodating space 203 is The first card slot 21 and the second card slot 23 are formed by recessing from the outer surface of the peripheral wall 202 toward the body portion, and the first The card slot 21 is disposed opposite to the second slot 23 and adjacent to the bottom 201 of the main mounting base 20. Preferably, the first slot 21 and the second slot 23 are coupled to the slot. The direction in which the space 203 is disposed is staggered; and the latching portions 25 are formed from the outer surface of the peripheral wall 202 and are disposed on the side of the first card slot 21; Therefore, the engaging portions 25 are formed by two crowns, and may be formed by at least one tenon.

The three first sub-mounts 30 each have a joint portion 31 for engaging and fixing with the engaging portion 25 of the main mounting base 20. It is to be noted that the joint portion 31 of any of the first sub-mounts 30 is formed by two recesses, and may be formed by at least one recess and used for the card with the main mount 20 The joints 25 are snapped together and fixed. The first sub-mounts 30 are each provided with a conductive card slot 33, and are formed by recessing the surface of the first sub-mount 30 toward the body.

The two second sub-mounts 30A are respectively provided with a joint portion 31A for locking and fixing with the engaging portion 25 of the main mounting base 20; and the second sub-mounting seats 30A The two through holes 301A are respectively formed in the opposite sides of the joint portion 31A. It is to be noted that the joint portion 31A of any of the second sub-mounts 30A is formed by two recesses, and may be formed by at least one recess and used for the card with the main mount 20 The joints 25 are snapped together and fixed.

a first conductive member 41 is disposed on the first card slot 21 of the main mounting base 20; and the first conductive member 41 has a plurality of first plug portions 411 and are respectively attached to the first pair of pins The position on the side of the seat 30 is installed. It is to be noted that the first conductive member 41 has five first plug portions 411 and respectively corresponding to the positions of the first sub-mounts 30 and the second sub-mounts. The position on the side of the seat 30A.

The plurality of second conductive members 43 are respectively inserted into the accommodating spaces 203 of the main mounting base 20. It is worth mentioning that there are five second conductive members 43, and any one of the second conductive members 43 has a second plug portion 431 and is respectively attached to any of the first sub-assemblies. The other side of the seat 30 or the other side of the second sub-mount 30A is provided and corresponds to the position of the first plug portion 411 of the first conductive member 41.

A third conductive member 45 is disposed at a position of the second card slot 23 of the main mounting base 20.

A fourth conductive member 47 is disposed in the conductive card slot 33 of the first submounts 30.

The five power switches 50 are respectively disposed in the accommodating space 203 of the main mounting base 20; wherein one end of the first conductive member 41, one end of the second conductive members 43 and the third conductive member One end of the 45 is electrically connected to the power switch 50.

A wireless charging module 60 has a first conductive portion 601, a second conductive portion 602, a first circuit board 61, a second circuit board 63, and an AC/DC power conversion management control circuit 65 (AD/ DC power convertor management control, AD/DC PMC) and an induction coil 67. The first circuit board 61 is electrically connected to the second circuit board 63, and the first conductive part 601, the second conductive part 602, and the AC/DC power conversion management control circuit 65 are all disposed on the first circuit board 63. A circuit board 61 is disposed on the second circuit board 63. The first conductive portion 601 is electrically connected to the first plug portion 411 of the first conductive member 41, and the second conductive portion 602 is electrically connected to the second plug of the second conductive member 43. The first conductive portion 601 and the second conductive portion 602 are electrically connected to the AC/DC power conversion management control circuit 65, and the induction coil 67 is connected to the second circuit board 63. The first circuit board 61 is electrically connected to the first circuit board 61, and is electrically connected to the AC/DC power converter management control circuit (AD/DC PMC). Therefore, the wireless charging module 60 electrically controls the AC/DC power conversion management control circuit (AD/DC PMC) 65 of the wireless charging module 60 through any of the power switches 50. Electrically conductive or closed with the induction coil 67.

It is to be noted that the wireless charging module 60 is disposed on any of the second sub-mounts 30A, and the first plug portion 411 of the first conductive member 41 and the second conductive member 43 are included. The second plugging portions 431 are respectively disposed through the through holes 301A of the second submounts 30A, and are electrically connected to the first conductive portions 601 of the wireless charging module 60 and the first The second conductive portion 602; or the first conductive portion 601, the second conductive portion 602, and the induction coil 67 of the wireless charging module 60; It is a conductive joint composed of a metal (for example, gold, silver, copper, iron, nickel or palladium) or an alloy thereof; and the wireless charging module 60 is in accordance with the current shortcoming of WPC (wireless power consortium). Interconnect standard wireless charging standard for low-power wireless inductive power transmission, or AA-Resonant and AFA-Inductive according to the current AFA (air fuel alliance), in summary, not used In order to define the technical features claimed in the present invention, it will be described first.

A USB (universal serial bus, hereinafter referred to as USB) charging module 70 has a first conductive portion 701, a second conductive portion 702, a circuit board 71, and a USB (universal serial bus, A common sequence bus, hereinafter referred to as a USB) slot 73, an AC/DC power converter management control circuit (AD/DC PMC); wherein the first conductive portion 701, the first The two conductive portions 702, the two USB slots 73 and the AC/DC power conversion management control circuit (AD/DC PMC) are all disposed on the circuit board 71, and the first conductive The portion 701, the second conductive portion 702, the two USB slots 73, and the AC/DC power conversion management control circuit 75 are electrically connected via the circuit board 71. The first conductive portion 701 is electrically connected to the first plug portion 411 of the other first conductive member 41, and the second conductive portion 702 is electrically connected to the second conductive member 43. The second conductive portion 701 and the second conductive portion 702 are electrically connected to the two USB slots 73, and the two USB slots 73 are electrically connected to the AC/DC. Power conversion management control circuit 75 (AD/DC power converter management control, AD/DC PMC). Therefore, the USB charging module 70 electrically controls the two USB slots 73 of the USB charging module 70 and the AC/DC power conversion management control circuit 75 through another power switch 50 (AD/DC power converter) Management control, AD/DC PMC) is electrically turned on or off.

It is to be noted that the USB charging module 70 is disposed on the other second submount 30A, and the first plug portion 411 of the first conductive member 41 and the other second conductive portion. The second plugging portion 431 of the member 43 is respectively inserted through the through hole 301A of the other second submount 30A, and is electrically connected to the first conductive portion of the USB charging module 70. 701 and the second conductive portion 702; or the USB charging module 70 can be disposed in the main mounting base 20. The first conductive portion 701 and the second conductive portion 702 of the USB charging module 70 are conductive contacts composed of a metal (for example, gold, silver, copper, iron, nickel, or palladium) or an alloy thereof. In summary, it is not intended to limit the technical features claimed in the present invention.

Please refer to FIGS. 1 and 5 again, and the upper cover 91 of the wireless charging extension socket 90 corresponds to the lower cover 92 and is assembled to form a chamber 94 and a through hole 95, and the through hole 95 is The power supply control module 96 and the above-mentioned partition assembly socket 10 and related components are respectively accommodated in the chamber 94, and one end of the power cord 93 is The through hole 95 is electrically connected to the power control module 96, and the other end of the power line 93 is provided with a plug connector (not shown) for connecting to an external power source (in the figure). Preferably, the plug connector (not shown) disposed at the other end of the power cord 93 is electrically connected to the external single-phase three-wire power source, and one end of the first conductive member 41 The first conductive member 45 is electrically connected to the power line control module 96 and is electrically connected to the power line control module 96. a connection portion of (live wire, L), and one end of the fourth conductive member 47 is electrically connected to the plug connector The connection of the earth wire (E), usually the line system, is also used as a positioning effect. The power control module 96 includes an overload protection circuit (not shown) and a reset button 961, and one end of the reset button 961 is electrically connected to the overload protection circuit, and the reset button The other end of the 961 is exposed; and the overload protection circuit is electrically connected to the power line 93 for monitoring the current usage of the power line or the power-off protection when the voltage is too large, until the reset button 961 is pressed. In turn, the overload protection circuit is triggered to return to the original state from the power-off protection state.

The upper cover 91 of the wireless charging extension socket 90 is provided with five power switch through holes 911, three AC power through holes 913, and two USB (universal serial bus, commonly referred to as USB). Charging through hole 915. The power switch through holes 911 respectively correspond to the positions of the power switches 50 located in the accommodating space 203 of the main mounting base 20, so that the power switches 50 pass through the power switch through holes 911. Each is revealed. The three AC power supply through holes 913 respectively correspond to the positions of the first sub-mounts 30, and are provided for providing an external AC plug connector (not shown); preferably The wireless charging extension cable socket 90 further includes three guard members 80 respectively embedded in the AC power supply through holes 913 of the upper cover 91, and respectively corresponding to the upper side of the sub-mounting seat 30. Any one of the guard members 80 is provided with a plurality of jacks 81 for providing an external AC plug connector (not shown). The two USB charging vias 915 respectively correspond to the positions of the two USB slots 73 of the USB charging module 70 for providing an external USB plug connector (not shown).

It is to be noted that the upper cover 91 of the wireless charging extension socket 90 can be configured as the at least one power switch through hole 911, the at least one AC power through hole 913 or the at least one USB charging through hole according to an actual specification. 915. Therefore, the first conductive member 41, the second conductive member 43, the third conductive member 45, and the fourth conductive member 47 of the split-mount socket 10 are electrically connected to the power control module. The group 95 is further configured to electrically connect the at least three power switches 50 to the external power source, and electrically control the AC plug connector (not shown) by the power switch 50, and the wireless charging The module 60 is electrically connected or turned off to the USB charging module 70.

In the preferred embodiment of the invention, the desired effect is:

First, an extension cord socket with AC power supply function, wireless charging function and USB charging function. Please refer to FIG. 3 again, that is, the extension cord socket 90 disclosed by the present invention may include the three thirds which are useful for providing AC power supply according to the needs of actual users or consumers. a pair of mounting bases 30, the wireless charging module 60 for providing a wireless charging function, and a second sub-mounting seat 30A corresponding thereto, and the USB charging module 70 for providing a USB charging function and The other second sub-mount 30A and the like are assembled and assembled to be shipped, thereby providing the user or the consumer with free choice of AC power supply using the extension cord socket 90. In addition to wireless charging and USB charging, the cost of purchasing additional extended-line power outlets can be significantly reduced.

Secondly, the three first sub-mounts 30 with alternating current power supply and the wireless charging module with wireless charging function are separately electrically controlled by the power switch 50 of the extension cord socket 90. 60 and a corresponding second submount 30A thereof, and the USB charging module 70 having a USB charging function and another corresponding second submount 30A thereof may be electrically turned on or off. , thereby greatly improving the safety of users or consumers when using electricity.

In the following, it should be noted that those skilled in the art to which the present invention pertains will be able to clearly understand that the detailed description and the embodiments of the present invention are only intended to illustrate the structure, method, process, etc. of the present invention. The singularity of the invention, and the substitution or variation of other equivalent elements, components, articles, structures, devices, methods or processes, are also intended to be within the scope of the patent application of the present invention. Covered.

[Prior technology]
10‧‧‧Main installation seat
12‧‧‧Deputy seat
20‧‧‧Sub-mounting
30‧‧‧First conductive parts
37‧‧‧Interface
40‧‧‧Second conductive parts
57‧‧‧Interface
70‧‧‧Power switch
90‧‧‧ Third conductive member [Embodiment]
10‧‧‧Separate assembled socket
20‧‧‧Main installation seat
201‧‧‧ bottom
202‧‧‧周壁
203‧‧‧ accommodating space
21‧‧‧First card slot
23‧‧‧Second card slot
25‧‧‧Cards
30‧‧‧First Deputy Mount
31‧‧‧ joints
33‧‧‧conductive card slot
30A‧‧‧Second Deputy Mount
31A‧‧‧Interface
301A‧‧‧through hole
41‧‧‧First conductive parts
411‧‧‧First plug-in
43‧‧‧Second conductive parts
431‧‧‧Second plug-in
45‧‧‧third conductive parts
47‧‧‧fourth conductive member
50‧‧‧Power switch
60‧‧‧Wireless charging module
601‧‧‧First Conductive Department
602‧‧‧Second Conductive Department
61‧‧‧First board
63‧‧‧Second circuit board
65‧‧‧AC/DC power conversion management control circuit
67‧‧‧Induction coil
70‧‧‧USB charging module
701‧‧‧First Conductive Department
702‧‧‧Second Conductive Department
71‧‧‧Circuit board
73‧‧‧USB slot
75‧‧‧AC/DC power conversion management control circuit
80‧‧‧ Guards
81‧‧‧ jack
90‧‧‧Extension cord socket
91‧‧‧Upper cover
911‧‧‧Power switch through hole
913‧‧‧AC power supply through hole
915‧‧‧USB charging through hole
92‧‧‧Undercover
93‧‧‧Power cord
94‧‧ ‧ room
95‧‧‧through hole
96‧‧‧Power Control Module
961‧‧‧Reset button

Figure 1 is a schematic perspective view of a prior art. Figure 2 is a schematic exploded view of a stereoscopic and partial component of the prior art. Figure 3 is a perspective view of a preferred embodiment of the present invention. Figure 4 is a schematic exploded view of a portion of a three-dimensional assembly of a preferred embodiment of the present invention. Figure 5 is an exploded perspective view of a portion of a component of a modular assembled socket in accordance with a preferred embodiment of the present invention. Figure 6 is a top plan view of a portion of the components of the preferred embodiment of the present invention.

Claims (10)

The utility model relates to a partition assembly socket, which comprises: a main assembly base having a bottom, a peripheral wall, an accommodating space, a first card slot, a second card slot and a plurality of card joints; and the accommodating portion The space is formed by the peripheral wall surrounding the bottom portion; and the first card slot and the second card slot are formed by recessing from the outer surface of the peripheral wall toward the body, and the first card slot is formed. Opposite to the second card slot and adjacent to the bottom of the main mounting seat; and the first card slot and the second card slot are disposed in a staggered direction with the accommodating space; The engaging portion is formed to protrude from the outer surface of the peripheral wall and is disposed at a side of the first card slot; the at least one first sub-mount has a joint portion for the main assembly The card-receiving portions of the seat are latched and fixed by the two; the second sub-mounting seats are respectively provided with a joint portion for engaging and fixing with the engaging portion of the main mounting seat; a conductive member is disposed in the first card slot of the main mounting seat; and the first conductive member has a plurality of first plug portions, and each of the plurality Corresponding to a position of one side of the at least one first sub-mounting seat and a side of the second sub-mounting seat; three second conductive members are respectively disposed in the main mounting seat In the space, any one of the second conductive members has a second plug portion, and each of the second conductive portions is attached to the other side of the at least one first sub-mount or the second sub-package The other side of the seat; a third conductive member is disposed in the second card slot of the main mounting seat; the three power switches are respectively disposed in the receiving space of the main mounting seat, and the first One end of the conductive member, one end of the second conductive member, and one end of the third conductive member are electrically connected to the power switch; a wireless charging module having a first conductive portion and a second The first conductive portion is electrically connected to the first plug portion of the first conductive member, and the second conductive portion is electrically connected to the second plug of the second conductive member And electrically controlling whether the wireless charging module is electrically turned on or off through a power switch; and a USB charging module, Having a first conductive portion and a second conductive portion; wherein the first conductive portion is electrically connected to the first plug portion of the other first conductive member, and the second conductive portion is electrically connected to The second plug of the second conductive member electrically controls whether the USB charging module is electrically turned on or off through another power switch. The split-assembled socket of claim 1, wherein the wireless charging module is disposed in the main mount. The split-mount socket of claim 2, wherein the USB charging module is disposed in the main mount. The detachable modular socket according to the first aspect of the invention, wherein the wireless charging module is disposed on a second submount, and the second submount is provided with two through holes. And a second through hole of the second submount is configured to provide a first plug portion of the first conductive member and a second plug portion of the second conductive member. After being inserted, the plug portions are electrically connected to the first conductive portion and the second conductive portion of the wireless charging module. The split-assembled socket of the fourth aspect of the invention, wherein the USB charging module is disposed on another second sub-mount, and the other second sub-mount is provided with two a through hole is disposed on an opposite side of the joint portion; and another two through holes of the second submount are configured to provide another first plug portion of the first conductive member and another second portion The second plugging portions of the conductive members are respectively electrically connected to the first conductive portion and the second conductive portion of the USB charging module. The partitioned modular socket according to the first aspect of the invention, wherein the USB charging module is disposed in a second submount, and the second submount is provided with a through hole And a second through hole of the second submount is configured to provide a first plug portion of the first conductive member and a second plug portion of the second conductive member. After being inserted, the plug portions are electrically connected to the first conductive portion and the second conductive portion of the USB charging module. The partition assembly socket according to any one of claims 1 to 6, further comprising a fourth conductive member disposed in a conductive card slot of the first submount, and the conductive The card slot is formed by recessing the surface of the first submount from the body portion. An extension cord socket comprising: an upper cover, a lower cover, a power cord, a power control module, and a separate assembled socket according to the above-mentioned claim 7; and the upper cover corresponds to the a lower cover and assembled to form a chamber and a through hole, and the through hole is connected to the chamber; and the power control module and the separate assembled socket are respectively accommodated in the chamber; One end of the power cord is electrically connected to the power control module after being inserted through the through hole; the other end of the power cord is provided with a plug connector for electrically connecting to a power source externally; The upper cover is provided with three power switch through holes, at least one AC power through hole and at least one USB charging through hole; and any one of the power switch through holes corresponds to the position of any of the power switches, and any one of the The power switch is exposed through the power switch through hole; and the at least one AC power supply through hole corresponds to the position of the at least one first submount, and is configured to provide an external AC plug connector; The at least one USB charging pass Corresponding to the position of the USB charging module for providing an external USB plug connector; wherein the first conductive member, the second conductive member, and the third conductive member of the split assembled socket And the fourth conductive member is electrically connected to the power control module, so that the power switch is electrically connected to the external power source, and the AC power plug is electrically controlled by the power switches. The connector, the wireless charging module and the USB charging module are electrically turned on or off. The extension cord socket of claim 8 further comprising at least one guard member embedded in the at least one AC power through hole of the upper cover and corresponding to the at least first submount And the at least one guard member is provided with a plurality of jacks for providing an external plug of the AC plug connector. The extension cord socket according to claim 9 , wherein the power control module includes an overload protection circuit and a reset button, and one end of the reset button is electrically connected to the overload protection circuit. The other end is exposed on the peripheral wall of the extension cord socket; wherein the overload protection circuit is electrically connected to the power line for monitoring the current usage of the power line or the power failure protection when the voltage is too large, until the weight is pressed The key is pressed to trigger the overload protection circuit to return to the original state from the power-off protection state.