KR101848726B1 - Second battery having stacked block structure - Google Patents

Abstract

Disclosed is a second battery having capacity variable by attachment and detachment. More specifically, provided are a second battery having capacity variable by attachment and detachment, and a second battery device. The second batteries having capacity variable by attachment and detachment are connected to each other when stacked, comprising: a storage battery; and a block accommodating the storage battery therein, and having an upper terminal formed at the top and a lower terminal formed at the bottom. When the blocks are stacked while the upper terminal and the lower terminal are connected to each other, the storage batteries are connected in parallel or in series. According to the present invention, it is possible to change the capacity through attachment and detachment from each other, and the batteries can be optionally connected in series or in parallel.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a secondary battery,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a variable capacity auxiliary battery and an auxiliary battery device through desorption, and more particularly to a variable capacity auxiliary battery and a supplementary battery device which are detachably connected to each other, .

 The secondary battery that can compensate the limit of the capacity of smartphone is a rechargeable battery that can charge and discharge and mainly uses lithium ion battery and is used for charging various electronic devices such as rechargeable notebooks and earphones as well as smartphones .

The supplementary battery is an important element of improvement in portability and capacity, as it is used to carry the defective capacity of electronic devices. In the meantime, companies and research institutes have been working hard to improve the capacity and portability of auxiliary batteries. As a result, the auxiliary battery itself has been improved in capacity, light weight and miniaturization.

As a conventional technique for increasing the capacity of the auxiliary battery, there is disclosed an auxiliary power supply for charging a battery for a large-capacity slim type electronic device of Korean Utility Model Publication No. 310501 of Korea Register, and as a conventional technique for improving the portability of the auxiliary battery, A bracelet type secondary battery of No. 2016-0114389 is disclosed.

However, the improvement direction of the structural coupling method of the auxiliary battery has been insignificant.

(0001) Registered Utility Model No. 310501 (Registered on April 4, 2003) (0002) Korean Patent Laid-Open Publication No. 2016-0114389 (published on May 10, 2016)

SUMMARY OF THE INVENTION An object of the present invention is to provide a variable capacity auxiliary battery and an auxiliary battery device through detachment which are capable of being combined and separated to change a capacity.

It is another object of the present invention to provide a variable capacity auxiliary battery and a supplementary battery device which are selectively connected to each other in a direct current or in parallel.

It is another object of the present invention to provide a variable capacity auxiliary battery device capable of being charged in a state of being coupled and separated from each other.

The above object is achieved by a secondary battery connected to each other in stacking according to the present invention, comprising: a battery; And a block that houses the battery and has an upper terminal formed on the upper portion and a lower terminal formed on the lower portion. When the blocks are stacked so that the upper terminal and the lower terminal are connected to each other, Or connected in series with each other.

A protrusion for receiving the upper terminal is formed on an upper portion of the block and a recessed portion for receiving the lower terminal is formed on the lower portion of the block. When the protrusion is inserted in the recess, And the lower terminal are connected to each other.

The block may be configured to form an operating portion that is operated by a user so that the batteries are connected in parallel or in series.

Wherein the upper terminal includes a first terminal and a second terminal, the lower terminal includes a third terminal and a fourth terminal, the second terminal and the fourth terminal are connected to each other, The first terminal is connected to the first terminal and the second terminal is connected to the second terminal of the battery. When the user operates the operation unit, the first terminal is connected to the first terminal and the third terminal The second terminal may be connected to the second terminal while the first terminal is connected to the second terminal, or the second terminal may be connected to the first terminal while the first terminal is connected to the third terminal.

According to the present invention, this object is achieved by a variable capacity auxiliary battery through desorption; And a charger having a plurality of charging terminals connected to the lower terminal, wherein a recess is formed in the lower portion of the block to receive the lower terminal therein, And the charging terminal and the lower terminal are connected to each other when the protruding portion is inserted into the recessed portion.

According to the present invention, it is possible to provide a variable capacity auxiliary battery and a supplementary battery device through detachment, in which the storage batteries are connected in parallel or in series so that they can be coupled and separated to change the capacity.

Further, it is possible to provide the variable capacity auxiliary battery and the auxiliary battery device through detachment, in which the storage batteries are connected in parallel or in series through the operation of the operation unit to selectively connect the batteries in direct or parallel.

In addition, a plurality of charging terminals connected to the lower terminals are formed on the upper portion of the charger, so that it becomes possible to provide a variable capacity auxiliary battery device through detachment which can be charged in a state of being coupled to and separated from each other.

FIG. 1 is a perspective view of a variable capacity auxiliary battery according to an embodiment of the present invention. FIG.
FIG. 2 is an exploded perspective view of the variable capacity auxiliary battery through the detachment of FIG. 1; FIG.
3 is a sectional view of the variable capacity auxiliary battery through the detachment of FIG. 1;
FIG. 4 is a state in which the variable capacity auxiliary battery through the detachment of FIG. 1 is in use; FIG.
FIG. 5 is a perspective view of a variable capacity auxiliary battery device according to an embodiment of the present invention. FIG.
6 is a perspective view of a variable capacity auxiliary battery through detachment according to an embodiment of the present invention;
FIG. 7 is a partially exploded perspective view of the variable capacity auxiliary battery through the detachment of FIG. 6; FIG.
Fig. 8 is a partially enlarged view of the variable capacity auxiliary battery through detachment of Fig. 6; Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, the well-known functions or constructions are not described in order to simplify the gist of the present invention.

The variable capacity auxiliary battery through the desorption according to the present invention can be connected and disconnected so that the capacity can be changed and selectively connected in direct current or in parallel.

In addition, the variable capacity auxiliary battery device according to the present invention can be charged in a state of being coupled and separated from each other.

FIG. 1 is a perspective view of a variable capacity auxiliary battery according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of the variable capacity auxiliary battery through the removal of FIG. 1, and FIG. Fig. 5 is a perspective view of the variable capacity auxiliary battery device through detachment according to one embodiment of the present invention. Fig. 5 is a perspective view of the variable capacity auxiliary battery device according to the embodiment of the present invention. Fig. 6 is a perspective view of the variable capacity auxiliary battery according to the embodiment of the present invention, FIG. 7 is a partially exploded perspective view of the variable capacity auxiliary battery through the detachment of FIG. 6, and FIG. Partial enlargement of the capacitive auxiliary battery.

As shown in FIGS. 1 to 4, the variable capacity auxiliary battery 10 according to an embodiment of the present invention is stacked or separated from each other so that capacity can be changed, and the battery 100 ) And a block 200. [

As shown in FIG. 2, the battery 100 is configured to be rechargeable by being charged with a secondary battery, and is a light-weight lithium ion battery used in a smart phone and a camera. Of course, the battery 100 may be a lead-acid battery or a nickel-cadmium battery. The battery 100 is accommodated inside the block 200.

As shown in FIGS. 1 to 4, the block 200 is configured to be mechanically connected to each other at the time of lamination, and includes a body 210 and a cap 220. The body 210 and the cap 220 are slidably coupled and separated from each other, and form a leg-shaped block 200 when engaged.

The body 210 houses a battery 100 and a circuit board (PCB). A charging circuit, a protection circuit, a lamp driving circuit and the like are formed on the circuit board PCB, and a USB terminal P1, a 5-pin terminal P2 and a display lamp P3 are mounted. Holes for exposing the USB terminal P1, the 5-pin terminal P2, and the display lamp P3 are formed on the side surface of the body 210, respectively.

The safety circuit is a safety circuit that has the function of blocking the overcurrent, the overvoltage, and the superconducting overheating, and is attached between the anode and the cathode. The user charges and discharges the battery 100 through the USB terminal P1 and the 5-pin terminal P2. The display lamp P3 indicates the charged amount of the battery 100 and is connected to the charging circuit. The structure of the circuit board installed in the auxiliary battery is well known in the art, so a detailed description thereof will be omitted.

2 and 3, an upper terminal is formed on an upper portion of the cap 220, and a lower terminal is formed on a lower portion of the body 210. As shown in FIG. The upper terminal includes a first terminal 201 and a second terminal 202 and the lower terminal includes a third terminal 203 and a fourth terminal 204. Hereinafter, the body 210 and the cap 220 will be described in the description of the upper terminal and the lower terminal.

As shown in FIG. 4, when the blocks 200 are stacked in a state where a plurality of the auxiliary batteries 10 of the present invention are provided, the storage batteries 100 are connected in parallel or in series through connection between the upper terminals and the lower terminals .

As shown in FIG. 3, a plurality of protrusions 221 are formed on an upper portion of the block 200, and a plurality of recesses 211 are formed on a lower portion of the block 200. The protrusions 221 and the recesses 211 are formed in the same number and the block 200 is stacked in one direction with the protrusions 221 sandwiched by the recesses 211. In the drawing, six projections 221 and two recesses 211 are shown.

The two protrusions 221 of the plurality of protrusions 221 individually receive the first terminal 201 and the second terminal 202 and the two recesses 211 of the plurality of recesses 211 The third terminal 203 and the fourth terminal 204 are accommodated separately.

The plurality of protrusions 221 and the recesses 211 are formed in a cylindrical shape or a rectangular parallelepiped shape. The rectangular parallelepiped protrusions 221 are formed to divide the stacking direction of the blocks 200 and the upper and lower terminals are provided inside the cylindrical protrusions 221 and the recesses 211. The blocks 200 are laminated only in the same direction by the protrusions 221 in the form of a rectangular parallelepiped.

The first terminal 201 in the protrusion 221 is connected to the third terminal 203 in the recess 211 and the second terminal 201 in the protrusion 221 is connected to the third terminal 203 in the protrusion 221. [ 202 are connected to the fourth terminal 204 in the concave portion 211. The upper terminal may be made of a tool and the lower terminal may be made of a female terminal.

A structure in which a plurality of the batteries 100 are connected in parallel will be briefly described below.

Referring to FIG. 3, the first pole 101 and the second pole 102 of the battery 100 are connected to a charging circuit of a circuit board (PCB), respectively. Either the first pole 101 or the second pole 102 means the anode and the other means the cathode.

The first terminal 201, the second terminal 202, the third terminal 203 and the fourth terminal 204 are electrically connected to the charging circuit through electric wires, respectively. Hereinafter, the electric wire connecting the first terminal 201 to the charging circuit is referred to as a first electric wire L1, the electric wire connecting the second terminal 202 to the charging circuit is referred to as a second electric wire L2 The electric wire connecting the third terminal 203 and the charging circuit is referred to as a third electric wire L3 and the electric wire connecting the fourth terminal 204 and the charging circuit is referred to as a fourth electric wire L4 .

Although not shown in detail, the first electric wire L1 and the third electric wire L3 are electrically connected to the first electrode 101 through the charging circuit, and the second electric wire L2 and the fourth electric wire L4 are electrically connected to each other And is electrically connected to the second pole 102 through the charging circuit. When the first terminal 201 and the third terminal 203 are connected to each other and the second terminal 202 and the fourth terminal 204 are connected to each other by stacking the blocks 200, They are connected in parallel.

5, the detachable variable capacity auxiliary battery device 1 according to an embodiment of the present invention includes an auxiliary battery 10 and a charger 20. Hereinafter, the redundant description of the auxiliary battery 10 will be omitted.

A plurality of protruding portions 21 are formed on the upper portion of the charger 20 (so that a plurality of blocks 200 can be simultaneously charged). When four protrusions 21 on which one block 200 is mounted are referred to as one set, the plurality of protrusions 21 are provided in a plurality of sets. When N recesses 211 are formed in one block 200, one set of the protrusions 21 may be formed of 2 to N numbers.

Two protrusions 21 of the set of protrusions 21 receive the first charging terminal 22 and the second charging terminal 23 separately inside. The first charging terminal 22 in the projection 21 is connected to the third terminal 203 in the concave portion 211 and the second charging terminal 22 in the projection 21 is connected to the third terminal 203 in the projection 21, The terminal 23 is connected to the fourth terminal 204 in the concave portion 211. The charging terminal may be made of a sidewall (inserted into the female terminal).

The first charging terminal 22 and the second charging terminal 23 of each set are connected to a power source, respectively. Therefore, the variable capacity auxiliary battery device 1 through the detachment according to the embodiment of the present invention has an advantage that the plurality of auxiliary batteries 10 can be simultaneously charged through the charging structure through a plurality of sets.

6 to 8, a detachable variable capacity auxiliary battery 10 according to another embodiment of the present invention is operated by a user to change the parallel connection and the serial connection of the battery 100 An operation portion 212 may be formed.

7, the operating portion 212 is configured to include an operating member 213 and a connecting member 214. [

The operating member 213 is configured to be rotatably operated by a user and includes a rotating portion D and an inserting portion IN. The operating member 213 is rotatably mounted on the body 210 through the through hole H1 and the step portion C formed in the body 210. [

The rotating portion D is configured to be held by a user and is formed in a disc shape. A handle gripped by a user is formed on the outer surface of the rotary part D. The edge of the rotating portion D is seated on the step portion C with the insertion portion IN passing through the through hole H1.

 Although not shown, a release preventing member (not shown) for restraining the disengagement of the rotation part D can be coupled to the outer surface of the body 210 so that the operation member 213 does not come out of the through hole H1.

8 is a state diagram showing a plurality of terminals and circuits formed on the inserting portion IN and the connecting member 214. Fig. A plurality of terminals and circuits formed on the inserting portion IN and the connecting member 214 are formed on one side of the inserting portion IN and the connecting member 214. The one side of the insertion portion IN and the connecting member 214 refers to the inserting portion IN and the back side of the connecting member 214 with reference to Fig.

8, the insertion portion IN is electrically connected to the first pole 101 and the second pole 102, and is connected to the connection member (not shown) through the through hole H1 formed in the body 210 214 inserted into the insertion hole H2. A first terminal T1 connected to the first pole 101 of the battery 100 and a second terminal T2 connected to the second pole 102 of the battery 100 are connected to the inserting portion IN, . In FIG. 8, a wire connecting the first pole 101 and the first terminal T1, and a wire connecting the second pole 102 and the second terminal T2 are not shown.

The connection member 214 is electrically connected to the first terminal 201, the second terminal 202, the third terminal 203 and the fourth terminal 204 and is formed in the form of a substrate on which the insertion hole H2 is formed . The connection member 214 is provided with a first circuit CT1 connected to the first terminal 201, a second circuit CT2 connected to the third terminal 203 and a second circuit CT2 connected to the second terminal 202 and fourth A third circuit CT3 connected to the terminal 204 is formed. 8, a wire connecting the first terminal 201 and the first circuit CT1, a wire connecting the third terminal 203 and the second circuit CT2, a second terminal 202 and a third circuit CT3) are omitted.

As shown in Fig. 8, the outer diameter of the insertion portion IN is formed smaller than the inner diameter of the insertion hole H2. The ends of the first terminal T1 and the second terminal T2 protrude from the outer surface of the inserting portion IN and the ends of the first circuit CT1, the second circuit CT2 and the third circuit CT3 And protrudes from the inner surface of the insertion hole H2.

Accordingly, when the user rotates the operation portion 212, the plurality of terminals and the plurality of circuits may be electrically connected or disconnected through the protruding end portions. A locking portion K is formed on the outer surface of the insertion portion IN and a first partition W1 and a second partition W2 are formed on the inner surface of the insertion hole H2. The engaging portion K engages the first partition W1 and the second partition W2 to form a rotation section of the operation portion 212. [

The ends of the first terminal T1 and the second terminal T2 protrude from opposite sides of the outer surface of the insertion section IN. The first terminal T1 protrudes from the outer surface of the inserting portion IN at a pair of ends so as to connect the first circuit CT1 and the second circuit CT2.

The first circuit CT1 protrudes from the inner surface of the insertion hole H2 at a pair of ends. The pair of ends is connected to the first terminal T1 (see FIG. 8 (a)) or connected to the second terminal T2 (see FIG. 8 (b)) when the operating portion 212 rotates 90 degrees.

The second circuit CT2 protrudes from the inner surface of the insertion hole H2 at a pair of ends. The pair of ends are connected to only the first terminal T1 (refer to 8 (a) and 8 (b)) (when the operating portion 212 rotates 90 degrees). In Fig. 8, the second circuit CT2 is shown as three ends, but only one lower two ends may be formed.

One end of the third circuit CT3 protrudes from the inner surface of the insertion hole H2. The end of the third circuit CT3 is not connected or connected to the second terminal T2 (refer to 8 (a)) (when the operation unit 212 is rotated 90 degrees)

When the user rotates the operation unit 212, the second terminal T2 is connected to the first terminal 201 and the third terminal 203 while the first terminal T1 is connected to the third terminal 203 as shown in Fig. 8 (a) The second terminal T2 is connected to the first terminal 201 in a state where the second terminal T2 is connected to the second terminal 202 or the first terminal T1 is connected to the third terminal 203 as shown in Fig. do. 8 (b) shows a state in which the operating member 213 is rotated 90 degrees counterclockwise in the state of FIG. 8 (a).

The first terminal T1 is connected to the first terminal 201 and the third terminal 203 and the second terminal T2 is connected to the operation unit 212 so that the second terminal T2 is connected to the second terminal 202, The plurality of batteries 100 are connected to each other in parallel when the block 200 is stacked.

When the operating portion 212 is rotated so that the second terminal T2 is connected to the first terminal 201 in a state where the first terminal T1 is connected to the third terminal 203 as shown in Fig. 8 (b) When the block 200 is stacked, the plurality of batteries 100 are connected to each other in series. At this time, in order to supply power to the electronic devices such as the smart phone 2 using the stacked auxiliary battery 10, any one of the lowermost battery 100 and the uppermost battery 100 is connected to the operation unit (not shown) 212) and try to supply power to the electronic device such as the smart phone 2 through the other.

According to the present invention, it is possible to provide a variable capacity auxiliary battery and a supplementary battery device through detachment, in which the storage batteries are connected in parallel or in series so that they can be coupled and separated to change the capacity.

Further, it is possible to provide the variable capacity auxiliary battery and the auxiliary battery device through detachment, in which the storage batteries are connected in parallel or in series through the operation of the operation unit to selectively connect the batteries in direct or parallel.

In addition, a plurality of charging terminals connected to the lower terminals are formed on the upper portion of the charger, so that it becomes possible to provide a variable capacity auxiliary battery device through detachment which can be charged in a state of being coupled to and separated from each other.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is obvious to those who have. Accordingly, it should be understood that such modifications or alterations should not be understood individually from the technical spirit and viewpoint of the present invention, and that modified embodiments fall within the scope of the claims of the present invention.

1: Auxiliary battery device
10: auxiliary battery
100: Battery 101: First pole
102: Second pole PCB: Circuit board
P1: USB terminal P2: 5 pin terminal
P3: Indication lamp
200: block 210: body
H1: Through hole C: Short jaw
211: recess 203: third terminal
204: fourth terminal 212: fourth terminal
213: operating member D:
IN: Insertion part T1: Terminal 1
T2: Terminal 2 K:
214: connecting member H2: insertion hole
CT1: first circuit CT2: second circuit
CT3: third circuit W1: first bank
W2: second partition 220: cap
221: protrusion 201: first terminal
202: second terminal
20: charger 21: protrusion
22: first charging terminal 23: second charging terminal

Claims (5)

An auxiliary battery connected to each other in stacking,
Battery; And a block receiving the battery and having an upper terminal formed on the upper portion and a lower terminal formed on the lower portion,
When the blocks are stacked so that the upper terminal and the lower terminal are connected to each other, the batteries are connected in parallel or in series,
A protrusion for receiving the upper terminal inward is formed on an upper portion of the block,
A recess is formed in the lower portion of the block to receive the lower terminal inward,
When the protruding portion is inserted into the concave portion, the upper terminal and the lower terminal are connected to each other,
Wherein the block is provided with an operating portion that is operated by a user so that the batteries are connected in parallel or in series,
Wherein the upper terminal includes a first terminal and a second terminal,
Wherein the lower terminal includes a third terminal and a fourth terminal,
The second terminal and the fourth terminal are connected,
A first terminal connected to a first pole of the battery and a second terminal connected to a second pole of the battery are formed on the operation portion,
When the user operates the operation unit, the second terminal is connected to the second terminal while the first terminal is connected to the first terminal and the third terminal, or the first terminal is connected to the third terminal The second terminal is connected to the first terminal in a connected state,
Wherein the operating portion includes an operating member that is rotated by a user and a connecting member electrically connected to the first terminal, the second terminal, the third terminal, and the fourth terminal,
Wherein the operating member includes a rotating portion held by a user and an insertion portion inserted into the insertion hole of the connection member in electrical connection with the first pole and the second pole,
The connection member is provided with a first circuit connected to the first terminal, a second circuit connected to the third terminal, and a third circuit connected to the second terminal and the fourth terminal,
Wherein the end of the first terminal and the end of the second terminal protrude from opposite sides of the outer surface of the inserting portion, and the first terminal has a pair of ends so as to connect the first circuit and the second circuit, Protruding,
Wherein the first circuit has a pair of end portions protruding from the inner surface of the insertion hole and connected to the first terminal or connected to the second terminal during rotation of the operation portion,
The second circuit has a pair of end portions protruding from the inner surface of the insertion hole and connected only to the first terminal when the operation portion is rotated,
Wherein one end of the third circuit protrudes from the inner surface of the insertion hole and is connected to or is not connected to the second terminal during rotation of the operation portion. delete delete delete A variable capacity auxiliary battery through the detachment of claim 1; And
And a charger having a plurality of charging terminals connected to the lower terminals,
A recess is formed in the lower portion of the block to receive the lower terminal inward,
A protruding portion for accommodating the charging terminal inside is formed in the upper portion of the charging device,
Wherein the charging terminal and the lower terminal are connected to each other when the protrusion is inserted into the recess.

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