KR101381340B1 - Portable multi-adapter - Google Patents

Abstract

The present invention relates to a portable multi-adapter. The portable multi-adapter according to the present invention includes: an adapter main body which has a voltage transformer unit, a rectifier circuit unit, a filter circuit unit, and a constant voltage circuit unit inside by being connected by a circuit, has a socket home in any one side, and has multiple USB ports which are connected to the constant voltage circuit unit in another side; a plug unit which is formed to protrude from another side of the adapter main body and has a connection terminal in order to be connected with an outlet of a wall surface and an outlet of a multi-tap in a protruding end; and an outlet unit which is electrically connected with the plug unit by being formed inside the socket home and has a connection terminal insertion hole formed in the bottom surface of the socket home. The present invention like the forementioned is easy to carry, can be used by being efficiently connected to an outlet of a wall surface or a multi-tap, is able to charge multiple portable electronic devices by easily connecting the multiple portable electronic devices by using an USB port formed on a surface, is able to use multiple multi-adapters by connecting the multiple multi-adapters to be consecutively stacked, and also can be used on a table by using a fixed type adapter.

Description

Portable multi-adapter

The present invention relates to a portable multi-adapter, and more particularly, a portable USB port is configured to effectively charge a plurality of portable electronic devices as the USB port is configured to charge a portable electronic device on one side while being provided with an outlet and a plug. Relates to a multi-charger.

In general, an adapter is a device that enables electrical communication between two devices having the same identity, and means changing a communication order of signals by connecting a switch or two or more wires between the two devices.

In other words, the adapter is a kind of converter, and the electricity used in a general household uses electricity of an alternating current type, and converts the voltage into a fixed voltage, DC, because the intensity of the voltage changes with time.

On the other hand, in recent years, due to the development of electronic technology and the wide spread of audio, visual, and information communication media, the use of various portable electronic devices such as notebooks, mobile phones, PMPs, MP3 players, PDAs, digital cameras, etc. is rapidly increasing. It is possible to perform data communication using portable electronic devices or to enjoy music and movies regardless of place.

In addition, such a portable electronic device has a battery inside so that it can be used in a portable state. If the battery is discharged using such a battery for a certain time, a separate charger is connected to an outlet installed on the indoor wall to provide a portable electronic device. Will be used after charging the battery.

However, when charging in the above manner, only a small number of portable electronic devices can be charged to a limited number of outlets, and in order to charge other portable electronic devices, the portable electronic devices that are being charged must first be charged after being charged. There was an uncomfortable problem.

Especially in busy daily life, people use two or three different types of portable electronic devices, and the functions of portable electronic devices are also diversified. In the spaces used by groups such as schools, there is a problem in that portable electronic devices cannot be efficiently charged due to the lack of the number of outlets.

Therefore, as a prior art for solving such a problem, the Korean Utility Model Registration No. 20-0203521 "multi-tap" has already been proposed as a method of extending the number of outlets by connecting a multi-tap to an outlet provided on the wall of the room There is a bar.

However, the above-described multi-tap has a problem of poor portability, and it is impossible to combine or interfere with the plug already connected to the multi-tap, depending on the gap between the sockets arranged on the top of the multi-tap and the shape of the adapter of the dedicated charger connected to the portable electronic device. There was a problem that can not be connected.

Therefore, the present invention has been made to solve the problems described above, and is provided with a plug portion and an outlet portion, and by configuring a multi-adapter having a plurality of USB ports to charge a variety of portable electronic devices, easy portability In addition, it is possible to connect a plurality of portable electronic devices at the same time can be connected to the stack-type connection between the adapter and the portable multi-adapter that can further improve the convenience and charging efficiency of the user.

According to a preferred embodiment of the present invention,

According to the present invention, a voltage transformer unit, a rectifier circuit unit, a filter circuit unit, and a constant voltage circuit unit are provided in a circuit connection, and a socket groove is formed on one side and a plurality of USB ports connected to the constant voltage circuit unit on the other side. An adapter body provided with; It is formed to protrude from the other side of the adapter body, the protruding end has a plug portion having a connection terminal to be connected to the wall outlet or the outlet of the power strip; And an outlet portion formed inside the socket groove and electrically connected to the plug portion, and a bottom portion of the socket groove having a connection terminal fitting hole formed therein.

Preferably, the present invention includes an accommodation portion into which the adapter body is fitted, and a socket groove into which the plug portion is fitted, and an inner surface of the accommodation portion, wherein a connection terminal of the plug portion is inserted into the socket groove to be electrically connected. An outlet portion having a terminal fitting hole is formed, and the outlet portion is associated with including a fixed adapter configured to be connected to the power plug by a lead wire.

Preferably, the present invention is directed to allowing the plurality of USB ports to be formed on either the front or back or top or opposite sides of the adapter body.

More preferably, the present invention relates to the plurality of USB ports configured in the form of a single row or a plurality of rows.

More preferably, the present invention relates to the plurality of USB ports configured in a zigzag form.

Preferably, the present invention relates to a configuration in which the indicator body is formed near the USB port in the adapter body such that the charging state and the completed state of the portable electronic device connected to the USB port can be confirmed through the color of the indicator light. .

More preferably, the present invention relates to the formation of a locking member on the inner surface of the accommodating portion so as to prevent the adapter body accommodated in the accommodating portion of the fixed adapter from being easily detached from the accommodating portion.

More preferably, the present invention relates to a locking member configured to be slidably fixed at both ends of the receiving portion to an inner surface of the receiving portion, and the central portion of the catching member to protrude outward from the inner surface of the receiving portion.

More preferably the present invention relates to a plurality of leg members formed on the bottom of the fixed adapter so that the fixed adapter can be spaced apart from the installation surface.

Preferably, the present invention relates to a configuration in which the adapter body is formed at a constant height while the width in the front and rear directions is the same as the thickness of the plug portion.

The multi-adapter according to the present invention is easy to carry and can be easily connected without interference with a wall outlet or another plug already connected to the power strip, and a plurality of portable electronic devices can be simultaneously used using a USB port formed on a surface thereof. You can connect effectively, you can immediately check the progress of charging and the completion of charging.

In addition, when it is necessary to connect and charge a large number of portable electronic devices in a company or a classroom and a public place, it is possible to charge a large number of portable electronic devices simultaneously by stacking a plurality of multi-adapters in series. If you want to use it on the table or on the floor, you can use it with a fixed adapter.

1 is an exploded perspective view illustrating a portable multi adapter and a fixed adapter according to an embodiment of the present invention.
2 is a front view illustrating the coupling state of FIG.
3 is an internal circuit diagram of a portable multi adapter according to an embodiment of the present invention.
4A is a front view illustrating a use state of a portable multi adapter according to an embodiment of the present invention.
4B is a front view illustrating a state of use of the portable multi adapter according to another embodiment of the present invention.
4C is a front view illustrating a state of use of the portable multi-adapter according to another embodiment of the present invention.
5 is an exploded perspective view illustrating a portable multi adapter according to another embodiment of the present invention.
6 is a perspective view illustrating a portable multi adapter according to another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

It will be understood by those of ordinary skill in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

In addition, the sizes and shapes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation, and the terms defined specifically in consideration of the configuration and operation of the present invention may vary depending on the intention or custom of the user, operator And the definitions of these terms should be based on the contents throughout this specification.

First, the portable multi-adapter according to the present invention is provided with an adapter main body 100 provided with a USB port 130, a plug portion 120 provided with a connection terminal 121, and a connection terminal fitting hole 111. The outlet 110 may be broadly classified. Hereinafter, each configuration will be described in detail with reference to FIGS. 1 and 2 as follows.

Adapter body 100,

It has a form of a case provided with a predetermined space therein, the shape is of a shape having an elliptical plane while having a constant height as shown in the illustrated figure, but the plane of the adapter body 100 to be limited to oval It can be configured in the shape of a rectangle, a circle or a polygon and a specific character without any need, which can be modified as much as the design specification applied.

In addition, when the adapter body 100 is elliptical, the width of the short axis direction is the same as or smaller than the thickness of the plug portion 120 to be described later, so that the adapter body 100 is made slim so that the outlet or power strip provided on the wall of the room When connected to the power supply, it is configured so as not to interfere with the plug of another connected electronic device.

Here, the thickness of the plug portion 120 means a distance in a vertical direction from an imaginary line connecting two connection terminals 120 of the plug portion 120.

And the outer periphery of the adapter body 100 is a plurality of USB ports 130 are installed at equal intervals in the longitudinal direction, where the arrangement of the USB port 130 is the front or rear of the adapter body 100 or as necessary It may be formed on the upper surface, it may be formed symmetrically or staggered on both sides opposite.

In addition, the USB ports 130 may be arranged in a row or in a plurality of rows, may be arranged in a row or a plurality of rows, it may be configured in a zigzag form.

In addition, a conventional voltage transformer 140, a rectifier circuit unit 150, a filter circuit unit 160, and a constant voltage circuit unit 170 as shown in FIG. The USB port 130 described above is connected to the constant voltage circuit unit 170.

Therefore, when the adapter main body 100 is connected to a wall outlet or a power outlet in the room, when a high voltage commercial AC voltage enters the adapter main body 100, the AC voltage is dropped by the voltage transformer 140, and the AC voltage is lowered. Is converted into a DC voltage by the rectifying circuit unit 150, the converted DC voltage is smoothly filtered by the filter circuit unit 160, the filtered DC voltage is stabilized by the constant voltage circuit unit 170 in the USB port 130 When the USB terminal of the charging cable (not shown) connected to the portable electronic device is connected to the USB port 130, the portable electronic device receives a stable charging voltage.

In addition, by forming the respective indicator light (131) in the vicinity of the plurality of USB ports 130 formed in the adapter body 100, the charging progress and charging completion of the portable electronic device connected to the USB port 130 is charged As the state is configured to be distinguished through the color of the indicator light 131, the user can easily recognize the state of charge of the portable electronic device at any time. Is to be controlled through a known charge control circuit.

Plug portion 120,

It is formed on the bottom surface of the adapter body 100 described above, is formed to protrude from the bottom surface of the adapter body 100, and the connection terminal 121 is formed on the protruding end thereof.

The protruding portion of the plug 120 from the bottom of the adapter main body 100 is to accurately and stably connect to the outlet or the power strip as the connection terminal fitting hole of the wall outlet or the power strip is formed to have a certain depth.

In addition, the protruding portion in which the connection terminal 121 is formed is typically configured to be fitted in a circular space of an outlet or a power strip, and if necessary, if it can be fitted in a circular space of an outlet or power strip, it is not circular. It can also be configured in various shapes.

Outlet part 110,

It is formed in the above-described adapter main body 100, but is to be located below the socket groove (100a) formed on the upper surface of the adapter main body 100, the connection terminal 121 on the bottom surface of the socket groove (100a) Is inserted into the connection terminal fitting hole 111 that can be electrically connected, the connection terminal fitting hole 111 is a high voltage drawn through the plug unit 120 is electrically connected to the above-described plug portion 120 The commercial AC voltage is to be input to another connection terminal 121 is inserted into the connection terminal fitting hole (111).

Here, the outlet 110 formed on the upper surface of the adapter main body 100 and the plug 120 formed on the bottom of the adapter main body 100 face each other while being positioned at the center of the adapter main body 100 as shown in FIG. 4A. Although it may be formed in a predetermined position, as shown in FIG. 4B, the outlet 110 and the plug 120 may be formed to be biased toward any one of the adapter body 100, and as shown in FIG. Any one of the plug portion 120 is located in the center, the other one may be formed to be biased to either side of the adapter body (100).

This allows the adapter body 100 to use a large number of USB ports 130 while minimizing interference with existing plugs connected to the wall outlet or power strip when the adapter body 100 is connected to the wall outlet or power strip.

In addition, the multi-adapter according to the present invention can be used anywhere regardless of the portable, it can also be used as a fixed table type by connecting to the fixed adapter 200 as necessary.

To this end, the fixed adapter includes an accommodating part 210 having a shape corresponding to that of the adapter main body 100 and an outer portion of the accommodating part 210 so that the adapter main body 100 can be accommodated as shown in FIG. 1. Is formed and consists of a guide jaw 220 having a predetermined height, the socket groove 212 is formed in the center of the inner surface of the receiving portion 210 so that the plug portion 120 of the adapter body 100 can be fitted and connected, The socket groove 212 is formed with an outlet portion 230 having a connection terminal fitting hole 231 so that the connection terminal 121 formed in the plug portion 120 of the adapter body 100 can be inserted and electrically connected. The outlet 230 is connected to the power plug 250 to be connected to the wall outlet or the power strip by the lead wire 251.

Therefore, when the multi-adapter is to be fixed and used in the home table, the adapter main body 100 is accommodated in the fixed adapter 200 while the power plug 250 of the fixed adapter 200 is connected to a wall outlet or a power strip. When inserted into the portion 210, the outer circumference of the adapter body 100 is fitted in contact with the inner surface of the guide jaw 220 of the receiving portion 210, so that the plug portion 120 of the adapter body 100 is accommodated. It is inserted into the socket groove 212 of the part 210 is to be electrically connected.

Therefore, the commercial AC voltage of the high voltage drawn into the power plug 250 of the fixed adapter 200 is moved to the plug portion 120 of the adapter body 100 through the outlet 230 of the fixed adapter 200, thereby adapting the adapter body. It is to supply power to (100).

Here, as a means for preventing the adapter main body 100 from being easily separated from the accommodating part 210 in a state where the adapter main body 100 is fixed to the accommodating part 210 of the fixed adapter 200, the fixed adapter 200 is provided. By forming the engaging member 211 on the inner surface of the guide jaw 220 of the adapter main body 100 accommodated in the accommodating portion 210 by the engaging member 211 to prevent the easily separated from the accommodating portion 210 It is.

An example of such a locking member 211 is provided with a leaf spring having a protruding shape, and both ends of the leaf spring are slidably fixed to the inner surface of the guide jaw 220 so that the leaf spring is formed on the inner surface of the guide jaw 220. When the center portion of the protruding portion of the adapter body 100 is fitted to the receiving portion 210, the outer peripheral portion of the adapter body 100 receives the elastic force of the leaf spring protruding on the inner surface of the guide jaw 220, the receiving portion The adapter body 100 accommodated in the 210 can be prevented from being easily separated from the receiving portion 210.

In addition, the bottom surface of the fixed adapter 200 is also preferably provided with a plurality of leg members 240 at least three or more so that the bottom surface of the fixed adapter 200 can be spaced apart from the installation surface.

This means that when the fixed adapter 200 is placed on a desk or a floor, water may spill on the desk or the floor and water may flow into the fixed adapter 200, which is embedded as an electrical component, causing a safety accident such as a short circuit. It is to be prevented, along with the contamination of the fixed adapter 200 according to the contamination state of the bottom surface is to be prevented.

In addition, preferably by installing a non-slip opening 241 that can be prevented from slipping, such as rubber or silicone at the end of the leg of the fixed adapter 200, to prevent the fixed adapter 200 from slipping on the inclined mounting surface It is to be done.

On the other hand, Figure 5 and Figure 6 as another embodiment of the present invention, in configuring the adapter body 100, the front and rear intervals of the adapter body 100 has a thickness corresponding to the thickness of the plug portion 120 While it is configured to be an oval as a whole, the upper portion of the adapter body 100 is configured so that the left and right intervals gradually decrease toward the upper side, the lower portion of the adapter body 100 has a receiving groove (100b) having a constant depth toward the inside It is configured to be formed.

In addition, the indicator light 131 is not installed separately for each USB port 130, but may be installed only one.

At this time, the plug portion 120 is formed inside the accommodating groove 100b, but a part of the plug portion 120 and the connection terminal 121 are configured to protrude more than the lower end of the adapter body 100.

When the adapter body 100 is connected to another adapter body, the adapter body 100 is lifted to the upper portion of the other adapter body while the upper portion of the other adapter body is formed in the lower portion of the adapter body 100 (100b) It is to be fitted in part so that the coupling between the other adapter body and the adapter body 100 is more stable.

Here, the overall shape of the adapter body 100 need not be limited to an oval shape, and may be designed in various forms such as a circle, a polygon, and a three-dimensional shape.

In addition, the fixed adapter 200 may also be configured to more stably support the plurality of adapter bodies 100 coupled to the upper portion by forming the lower portion larger than the upper portion without using the leg member 240 as necessary. .

This multi-adapter is easy to carry and can be easily connected to a wall outlet or a power strip without interfering with a wall outlet or another plug already connected to the power strip, and a USB port formed on the surface of the multi adapter. It is possible to charge a plurality of portable electronic devices at the same time using the 130, it is possible to immediately check the progress or the completion of charging in the connected state.

In addition, when a large number of portable electronic devices are required to be connected in a company or a classroom and a public place, a plurality of multi-adapters can be stacked so that a large number of portable electronic devices can be charged at the same time. If you want to use it can also be used as a fixed by using a fixed adapter (200).

Although the present invention has been described in connection with certain exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Therefore, the scope of the present invention should not be limited by the described embodiments, but should be defined by the appended claims and equivalents thereof.

100: adapter body 100a: socket groove
110: outlet 111: connection terminal insertion hole
120: plug portion 121: connection terminal
130: USB port 131: indicator light
140: voltage transformer 150: rectifier circuit
160: filter circuit portion 170: constant voltage circuit portion
200: fixed adapter 210: receptacle
211: engaging member 212: socket groove
220: guide jaw 230: outlet
231: fitting terminal 240: leg member
241: slip protection 250: power plug
251: lead wire

Claims (10)

A voltage transformer, rectifier circuit, filter circuit, and a constant voltage circuit are connected to each other, and a socket groove 100a is formed on one side, and a plurality of USB ports connected to the constant voltage circuit on the other side. Adapter body 100 is provided with (130);
It is formed to protrude from another surface of the adapter body 100, the protruding end of the plug portion 120 is provided with a connection terminal 121 to be connected to the wall outlet or outlet of the power strip; And
Is formed in the socket groove (100a) is electrically connected to the plug portion 120, the bottom surface of the socket groove (100a) outlet portion 110 is formed with a connection terminal fitting hole 111; Portable multi-adapter, characterized in that.
The method according to claim 1,
An accommodation part 210 into which the adapter main body 100 is fitted, and a socket groove 212 into which the plug part 120 is fitted are formed on an inner surface of the accommodation part 210, and the socket groove 212 of the socket groove 212 is formed. An outlet portion 230 having a connection terminal fitting hole 231 is formed therein so that the connection terminal 121 of the plug portion 120 may be inserted and electrically connected, and the outlet portion 230 may have a lead wire 251. Portable multi-adapter, characterized in that it further comprises a fixed adapter (200) configured to be connected to the power plug (250) by.
The method according to claim 1,
The plurality of USB port 130 is a portable multi-adapter, characterized in that formed on any one of the front or rear or top or opposite sides of the adapter body (100).
The method according to claim 1 or 3,
The plurality of USB port 130 is a portable multi-adapter, characterized in that configured in the form of a single row or a plurality of columns.
5. The method of claim 4,
The plurality of USB port 130 is a portable multi-adapter, characterized in that configured in a zigzag form.
The method according to claim 1,
The adapter main body 100 has an indicator light 131 formed near the USB port 130 so that the charging state and the completion state of the portable electronic device connected to the USB port 130 are changed through the color of the indicator light. Portable multi-adapter, characterized in that configured to be identified.
3. The method of claim 2,
The locking member 211 is formed on the inner surface of the accommodating part 210 to prevent the adapter body 100 accommodated in the accommodating part 210 of the fixed adapter 200 from being easily separated from the accommodating part 210. Portable multi-adapter featured
The method of claim 7, wherein
The locking member 211,
Both ends are slidably fixed to the inner surface of the receiving portion 210, the central portion is a portable multi-adapter, characterized in that the leaf spring protruding outward from the inner surface of the receiving portion (210).
3. The method of claim 2,
Portable adapter, characterized in that the plurality of leg members 240 are formed on the bottom surface of the fixed adapter 200 so that the fixed adapter 200 can be spaced apart from the installation surface.
The method according to claim 1,
The adapter main body 100 is a portable multi-adapter, characterized in that the width of the front and rear direction is configured to be the same as the thickness of the plug portion 120 having a constant height.

Images