KR20170133215A - Double-side cable, battery pack and charger using a double-side cable - Google Patents

Abstract

The present invention relates to a bidirectional charging cable, and a charging device using a battery pack and the bidirectional charging cable. The charging device comprises: the battery pack; and a charging cable. The battery pack includes: a plurality of inserting units which are electrically connected in response to a charging terminal of different mobile phones. The charging cable includes: a connecting unit with a wiring to transfer charging current of the battery pack; and first and second terminal units which are formed in each end of one side and the other side of the connecting unit. The first terminal unit is connected to one of inserting units in response to a charging terminal of a first type mobile phone. The second terminal unit is directly connected to a charging terminal of a second type mobile phone. A connecting terminal, which responds to charging terminals of different types of smartphone charging terminals, is formed in both sides of the cable. Each of the inserting units formed in the battery pack corresponds to the different types of the smartphone charging terminals. Therefore, the present invention charges a smartphone by connecting the smartphone and the battery pack by using one charging cable without purchasing a separate charging cable depending on the types of the smartphone charging terminals.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a double-side charging cable, a battery pack, and a charging device using a double-

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging device using a bidirectional charging cable, a battery pack and a bidirectional charging cable, and more particularly, a smartphone having a charging terminal structure can connect a smartphone and a secondary battery using one charging cable A bidirectional charging cable capable of charging the auxiliary battery even if a charger of a different type of connection terminal is used, a battery pack, and a charging device using the bidirectional charging cable.

In recent years, smartphones have become one of the essential household items because they can carry out various functions such as calling, watching videos, and working with documents.

As described above, a smart phone that performs various functions essentially includes a battery. As the utilization of a smart phone increases, battery usage also increases.

In order to increase the usage time of the smartphone, the battery capacity can be increased. However, as the battery capacity increases, the size of the battery increases, and the size of the smartphone also increases. Is limited.

In order to solve such a problem, a method of charging a battery of a smart phone using an auxiliary battery and a charging cable is widely used.

However, in general, since the charging cable for a smartphone is a dedicated cable for directly connecting to the corresponding smartphone and charging it, it is not possible to charge the smartphone having a different charging terminal structure. To charge the smartphone having a different charging terminal structure Another dedicated cable must be provided.

In addition, since the auxiliary battery having the above-described structure has a structure in which a dedicated charging terminal for self-charging can be inserted, there is a problem in that the auxiliary battery can not be charged using a charger having a connection port having a different structure.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a battery charger that can connect various smartphones and auxiliary batteries using a bidirectional charging cable and can charge auxiliary batteries even if chargers of different types of connection terminals are used And a charging device using the bidirectional charging cable, the battery pack, and the bidirectional charging cable.

In order to achieve the above object, the present invention provides a charging device using a bidirectional charging cable, the charging device comprising: a battery pack having a plurality of insertion ports electrically connected to charging terminals of different mobile phones; And a charging cable including a connection portion having a conductive wire for transferring a charging current of the battery pack and a first terminal portion and a second terminal portion formed at one end and the other end of the connection portion, The first terminal portion may be connected to one of the insertion ports corresponding to the charging terminal of the first type of mobile phone and the second terminal portion may be directly connected to the charging terminal of the second type mobile phone.

The battery pack may be self-charged by connecting a charger having a connection terminal corresponding to the charging terminal of the cell phone to one of the plurality of insertion ports.

In addition, the connecting portion may include a covering member of an elastic material for wrapping the outer side of the lead wire, and a first wire and a second wire as the wire provided in an insulated state inside the covering member.

The first terminal portion is provided with one of a 5-pin or 8-pin connection port, and the second terminal portion is provided with one of the 5-pin or 8-pin connection port not provided in the first terminal portion, And includes a first insertion port into which the 5-pin connection port is inserted and a second insertion port into which the 8-pin connection port is inserted.

According to an aspect of the present invention, there is provided a bidirectional charging cable including: a first terminal unit electrically connected to a charging terminal of a first type of mobile phone; and a second terminal unit electrically connected to the charging terminal of the second type mobile phone, A second terminal portion; And a connection part for electrically connecting the first terminal part and the second terminal part, wherein the first terminal part can be supplied with a charging current from the outside for charging the second type mobile phone, and the first type And the second terminal portion may be supplied with a charging current from the outside to charge the first type mobile phone, and the second terminal portion may be charged with the charging current of the second type mobile phone And a pin structure electrically connectable to the terminal.

According to an aspect of the present invention, there is provided a bidirectional charging cable including: a first cable and a second cable each having a wire for transmitting a charging current, and a second cable electrically connecting the first cable and the second cable, A first terminal provided at one end of the first cable so as to be electrically connected to the charging terminal of the first type of cellular phone; And a second terminal portion provided at one end of the second cable so as to be electrically connected corresponding to the charging terminal of the second type of cellular phone, wherein each of the other ends of the first cable and the second cable is connected to the multi- And is detachably connected to the socket.

According to an aspect of the present invention, there is provided a battery pack including: a battery; And a plurality of insertion openings formed on one side of the body, wherein each of the plurality of insertion openings is formed to correspond to a different type of mobile phone charging terminal, and one of the plurality of insertion holes is self- The rechargeable battery can be self-charged by connecting a connection port of the rechargeable battery.

As described above, according to the charging device using the bidirectional charging cable, the battery pack and the bidirectional charging cable according to the present invention, connection terminals corresponding to different types of smartphone charging terminals are formed on both sides of the cable, Since each of the plurality of insertion ports is formed so as to correspond to different types of smartphone charging terminals, it is not necessary to separately purchase a charging cable according to the type of the charging terminal of the smartphone, and a single charging cable is used to connect the smartphone and the battery pack It has the effect of charging the smart phone.

Further, since the battery pack is self-charged by connecting the connection terminal of the battery charger to any one of the plurality of insertion holes formed in the battery pack, there is an advantage that the battery pack can be self-charged even if a different type of connection terminal is used.

1 is a perspective view of a charging device using a battery pack and a bidirectional charging cable according to an embodiment of the present invention.
2 is a cross-sectional view of a connection portion of a charging apparatus using a bidirectional charging cable according to an embodiment of the present invention.
3 is a diagram illustrating a process of charging a mobile phone using a battery pack of a charging device using a bidirectional charging cable according to an embodiment of the present invention.
4 is a diagram illustrating a process of charging a battery pack using a charger of a charging apparatus using a bidirectional charging cable according to an embodiment of the present invention.
FIG. 5 is a view illustrating a charging process when a mobile phone and a mobile phone are connected using a bidirectional charging cable according to an embodiment of the present invention.
6 is a perspective view of a bidirectional charging cable according to another embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a charging apparatus using a bidirectional charging cable according to the present invention will be described in detail with reference to the drawings.

1, a charging apparatus using a bidirectional charging cable includes a plurality of insertion ports 120 electrically connected to charging terminals 310 and 410 of different types of mobile phones 300 and 400, A battery pack 100 formed on the outer side of the battery pack 100 and a charging cable 200 electrically connecting the battery pack 100 and the mobile phone.

The charging cable 200 is provided with terminal portions on one side and the other side, respectively, and this terminal portion has compatibility with a charging terminal of a cellular phone and a common insertion hole.

The battery pack 100 includes a body 110, a battery 111 housed in the body 110, and charging terminals 310 of the different types of the mobile phones 300 and 400, which are formed outside the body 110 And a plurality of insertion ports 120 and 130 that can be electrically connected to each other in correspondence with the plurality of insertion ports 410.

The body 110 receives the battery 111 therein and may be formed in a rectangular parallelepiped shape.

The plurality of insertion ports 120 and 130 may be formed in the shape of a hole into which the connection terminal can be inserted at one side of the body 110 and may include a first insertion port 120 and a second insertion port 130 have.

The first insertion port 120 is formed in a structure corresponding to the charging terminal 410 of the second type mobile phone 400 and the second insertion hole 130 is formed in a structure corresponding to the first type mobile phone 400. [ And the charging terminal 310 of the battery 300 may be formed to correspond to the charging terminal 310.

1 and 2, the charging cable 200 includes a connecting portion 230 having a wire 232 for transmitting a charging current of the battery pack 100, a connecting portion 230 having one side and the other side of the connecting portion 230, The first terminal portion 210 and the second terminal portion 220 are formed on the first terminal portion 210 and the second terminal portion 220, respectively.

The first terminal part 210 is electrically connected to the charging terminal of the first type mobile phone 300 and the second terminal part 220 is electrically connected to the charging terminal of the second type mobile phone 400. [ So that they can be electrically connected to each other.

More specifically, either the 5-pin connection port 211 or the 8-pin connection port 221 is protruded from the first terminal portion 210 and the second terminal portion 220 is provided on the first terminal portion 210 Pin connection port 211 or the 8-pin connection port 221 is protruded and installed.

An 8-pin connection port 221 protrudes from the first terminal unit 210 and a 5-pin connection port 211 protrudes from the second terminal unit 220. [

The connection unit 230 includes a covering member 231 made of an elastic material for covering the outside of the wire 232 and a first wire 233 wrapped around the wire 232 by an insulating member 235 And a second electric wire 234.

The covering member 231 protects the first electric wire 233 and the second electric wire 234 from external physical and chemical elements and is made of polyvinyl chloride (PVC), a polyethylene resin (PE), a crosslinked polyethylene (XLPE ), A polypropylene resin (PP), a polyurethane resin (PU), or the like.

The first electric wire 233 may be connected to the VCC electrode of the 5-pin connection port 211 and the 8-pin connection port 221 and the second electric wire 234 may be connected to the 5-pin connection port 211 and the 8- 221, respectively.

Accordingly, the first terminal portion 210 and the second terminal portion 220 are electrically connected.

Referring to FIG. 1 again, a second terminal portion 220 may be connected to the first insertion port 120, and a first terminal portion 210 may be connected to the second insertion port 130.

The first terminal unit 210 may be connected to the charging terminal 310 of the first type mobile phone 300 and the second terminal unit 220 may be connected to the charging terminal 410 of the second type mobile phone 400. [ have.

The first terminal part 210 is connected to the charging terminal 310 of the first type mobile phone 300 when the second terminal part 220 is connected to the first insertion port 120 and is connected to the second insertion port 130 The second terminal unit 220 is connected to the charging terminal 410 of the second type mobile phone 400. The second terminal unit 220 is connected to the charging terminal 410 of the second type mobile phone 400. [

Accordingly, any one of the different types of mobile phones 300 and 400 can be electrically connected to the battery pack 100 using one charging cable 200.

4, a charger 800 having a connection terminal 810 corresponding to the charging terminal of the mobile phone may be connected to any one of the first insertion opening 120 and the second insertion opening 130, When the connection terminal 810 of the charger 800 is inserted into either the first insertion opening 120 or the second insertion opening 130, the battery pack 100 may be self-charged.

Accordingly, when the connection terminal 810 of the charger 800 is connected to any one of the plurality of insertion ports formed in the battery pack 100, the battery pack 100 is self-charged, There is an advantage that the battery pack 100 can be self-charged even if the battery pack 800 is used.

The operation of the bidirectional charging cable and the charging battery using the same will be described in detail with reference to the drawings.

For convenience of description, a cellular phone having a charging terminal 310 into which an 8-pin connection port 221 can be inserted is defined as a first type cellular phone 300, and a charging The mobile phone on which the terminal 410 is formed is defined as the second type mobile phone 400.

1 and 3 (a), the first terminal portion 210 provided with the 8-pin connection port 221 is connected to the charging terminal 310 of the first-type mobile phone 300, and the 5-pin connection port 211 The first type mobile phone 300 is charged by connecting the second terminal portion 220 provided with the second terminal portion 220 to the first insertion opening 120.

4 (a), when the connection 810 of the charger 800 having the 8-pin connection port 221 is connected to the second insertion port 130 of the battery pack 100, Self-charging.

4 (b), when the connection terminal 810 of the charger 800 having the 5-pin connection port 211 is connected to the first insertion port 120 of the battery pack 100, Self-charging.

In the above-described embodiment, one side of the bidirectional charging cable is connected to the battery pack, and the other side is connected to the charging terminal of the mobile phone to supply the charging current to the mobile phone.

Another embodiment of the bidirectional charging cable of the present invention described below is configured to be able to charge a mobile phone by receiving a charging current from an external power supply device (such as a mobile phone or a charger).

The bidirectional charging cable 200A according to another embodiment includes a connecting portion 230, a first terminal portion 210, and a second terminal portion 220. The same reference numerals are used for the same components that perform similar functions .

In the bidirectional charging cable 200A according to another embodiment of the present invention, the first terminal portion 210 receives a charging current (e.g., a charging current) from an external charging current supplying device And is formed in a fin structure that can be electrically connected to the charging terminal 310 of the first type mobile phone 300

The second terminal unit 220 may be supplied with a charging current from an external charging current supplying device to charge the first type mobile phone 300 and may be electrically connected to the charging terminal 410 of the second type mobile phone 400 As shown in Fig.

The first terminal portion 210 and the second terminal portion 220 may be provided with any one of various pin structures corresponding to charging terminals of different types of mobile phones such as 5 pin, 8 pin, 20 pin, 30 pin, The pin structures provided in the first terminal portion 210 and the second terminal portion 220 should have different pin structures.

5, the first terminal unit 210 may be connected to the charging terminal 310 of the first type mobile phone 300, and the first terminal unit 210 may be connected to the charging terminal 310 of the first type mobile phone 300. In the bidirectional charging cable of the embodiment, And the second terminal unit 220 may be connected to the second type cellular phone 400. [

Accordingly, the first type mobile phone 300 and the second type mobile phone 400 are electrically connected by the bidirectional charging cable, and the charging current flows from the mobile phone with the higher battery level to the mobile phone with the lower battery level.

As a result, the mobile phone with the lower remaining battery charge is charged.

Hereinafter, another embodiment of the bidirectional charging cable of the present invention will be described in detail with reference to the drawings.

The bidirectional charging cable 200B in the other embodiments can connect the external charging current supply device and the external charging current supply device regardless of the type of the external charging current supply device and the plurality of cellular phones, It can be charged at the same time.

The bidirectional charging cable 200B in the other embodiment includes the first terminal portion 210 and the second terminal portion 220, and the same reference numerals are assigned to the same components that perform similar functions.

Referring to FIGS. 1 and 6, the bidirectional charging cable according to another embodiment includes a first cable 500 and a second cable 600, each having a wire for transmitting a charging current, a first cable 500 The first cable 500 is electrically connected to the charging terminal 310 of the first type mobile phone 300 at one end of the first cable 500. The first cable 500 is electrically connected to the second cable 600, And a second terminal unit 220 provided at one end of the installed first terminal unit 210 and the second cable 600 so as to be electrically connected to the charging terminal 410 of the second type mobile phone 400.

Here, each of the other ends of the first cable 500 and the second cable 600 may be detachably connected to the multi-socket 700.

In addition, a terminal portion corresponding to a charging terminal of another type of cellular phone (hereinafter referred to as a third type cellular phone) except for the first type mobile phone 300 and the second type mobile phone 400 (hereinafter referred to as a third terminal portion). And a cable (hereinafter, referred to as a third cable) connected to the third terminal unit can be connected to the multi socket 700 in a plurality.

When the first cable 500 and the second cable 600 are connected to the multi socket 700 in the bidirectional charging cable 200B according to another embodiment of the present invention, The first terminal part 210 and the second terminal part 220 are electrically connected to each other when one of the first cable 500 and the second cable 600 is separated from the multi socket 700. [ The electrical connection of the switch is released.

The other end of the first cable 500 and the second cable 600 are connected to the multi socket 700 and the first terminal portion 210 or the second terminal portion 220 is connected to the external power supply And either the first terminal unit 210 or the second terminal unit 220, which is not connected to the external power supply unit, can be connected to the mobile phone and charged.

When the third type mobile phone needs to be charged, the third terminal unit corresponding to the third type mobile phone and the third cable connected to the third terminal unit are connected to the multi socket 700, and the first terminal unit 210 or The third type mobile phone is charged when any one of the second terminal portions 220 is connected to the external power supply and the third terminal portion is connected to the charging terminal of the third type mobile phone.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims. .

100: Battery pack
110: Body
111: Rechargeable battery
120: First insertion hole
130: 2nd insertion hole
200: Charging cable
210: first terminal portion
211: 5-pin connection port
220: second terminal portion
221: 8-pin connection port
230: Connection
231:
232: conductor
233: 1st wire
234: 2nd wire
235: Insulation member
300: Type 1 mobile phone
400: second type mobile phone
500: first cable
600: Second cable
700: Multi-socket
800: Charger
810: Connection terminal

Claims (7)

1. A battery pack comprising: a battery pack having a plurality of insertion ports electrically connected to corresponding charging terminals of different mobile phones; And
And a charging cable including a connection part having a wire for transferring a charging current of the battery pack and a first terminal part and a second terminal part formed at one end and the other end of the connection part,
The first terminal portion may be connected to one of the insertion ports corresponding to the charging terminal of the first type of cellular phone among the plurality of insertion ports and the second terminal portion may be directly connected to the charging terminal of the second type cellular phone. A charging device using a bidirectional charging cable.
The method according to claim 1,
Wherein the battery pack can be self-charged by connecting a charger having a connection terminal corresponding to the charging terminal of the mobile phone to any one of the plurality of insertion ports.
3. The method according to claim 1 or 2,
Wherein the connection unit includes a covering member of an elastic material for wrapping the outer side of the lead wire, and a first wire and a second wire as the lead wire provided in an insulated state inside the cover member. .
The method according to claim 1,
Wherein one of the 5-pin or 8-pin connection port is provided in the first terminal portion and the 5-pin or 8-pin connection port not provided in the first terminal portion is provided in the second terminal portion, And a second insertion port into which the 8-pin connection port is inserted, wherein the first insertion port is inserted into the pin connection port, and the second insertion port is inserted into the 8-pin connection port.
A first terminal unit electrically connectable to the charging terminal of the first type of cellular phone;
A second terminal part electrically connectable to the charging terminal of the second type of cellular phone; And
And a connection part electrically connecting the first terminal part and the second terminal part,
The first terminal portion may be supplied with a charging current from the outside for charging the second type mobile phone and may be formed in a pin structure that can be electrically connected to the charging terminal of the first type mobile phone,
Wherein the second terminal portion is formed in a fin structure capable of being supplied with a charging current from the outside for charging the first type mobile phone and electrically connected to the charging terminal of the second type mobile phone. cable.
A first cable and a second cable each having a lead wire for transmitting a charging current;
A multi-socket for electrically connecting the first cable and the second cable;
A first terminal provided at one end of the first cable so as to be electrically connected to the charging terminal of the first type of cellular phone; And
And a second terminal portion provided at one end of the second cable so as to be electrically connected to the charging terminal of the second type of cellular phone,
And the other ends of the first cable and the second cable are detachably connected to the multi-socket.
A rechargeable battery built into the body; And
And a plurality of insertion openings formed on one side of the body,
Wherein each of the plurality of insertion ports is formed so as to correspond to different types of mobile phone charging terminals and connects the connection port of a charger capable of self-charging different types of mobile phones to any one of the plurality of insertion ports, Wherein the battery pack is a battery pack.

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