KR20170120041A - A usb terminal-equipped battery having ring shape connection element - Google Patents

Abstract

The present invention relates to a USB terminal-equipped battery having a ring-shaped fastening member, and includes a power storage unit, a head unit having a USB female terminal on a side surface thereof, and a fastening member for fastening the power storage unit and the head unit. According to the present invention, a USB terminal-equipped battery having a ring-shaped fastening member can be easily inserted and firmly disposed inside a battery. Further, according to the present invention, it is possible to easily and firmly fasten the head portion and the power storage portion to perform a charging and discharging function even with an external force. In addition, according to the present invention, a wireless Internet network can be easily used through a Wi-Fi module.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a USB terminal-equipped battery having a ring-shaped fastening member,

The present invention relates to a USB terminal type battery having a ring-shaped fastening member. More specifically, the present invention relates to a battery pack including a power storage unit, a head unit having a USB female terminal on a side surface thereof, and a fastening member for fastening the power storage unit and the head unit. And a battery with a USB terminal equipped with a smart chip.

As the number of electronic devices driven by the current increases, the amount of the battery that can be inserted into the electronic device and supply the electric current on the fly is also increasing. Conventionally, a disposable battery containing aluminum chloride, zinc chloride, manganese, etc. is used in the inside of the battery. When the battery is used after disposal, harmful substances such as manganese inside the battery leak out and cause environmental pollution .

In order to solve such a problem, in a prior art document 1 (Korean Patent Registration No. 10-0623625), a USB port is provided in a portable case with a built-in battery, and a circuit environment for discharging power by outputting power from the battery is established Accordingly, a method for making a portable general-purpose power supply device capable of being charged even without using a dedicated charger for each electronic device has been disclosed. However, in the case of the prior art document 1, there is a problem that only batteries of a size that can be accommodated in the case can be used. In addition, since the case must be brought in for charging the battery, there is a problem that it is cumbersome to carry it if the size of the case is large.

In order to solve such a problem, Applicant's Prior Art 2 (Korean Patent Registration No. 10-1472537) of the present patent application discloses a method of conveniently charging in a different USB interface environment through a battery equipped with a USB terminal. However, in the case of the prior art document 2, there is a problem that a method of inserting the USB female terminal into the inside of the battery is not disclosed.

Preceding Document 1 (Korean Patent No. 10-0623625, Announcement 2006.09.08) Preceding Document 2 (Announcement of Korea No. 10-1472537, Dec. 16, 2014)

SUMMARY OF THE INVENTION The present invention provides a USB terminal-equipped battery having a ring-shaped fastening member for easily inserting a USB female terminal into a battery.

It is another object of the present invention to provide a USB terminal-equipped battery having a ring-shaped fastening member capable of easily and firmly fastening the head portion and the power storage portion.

In addition, the technical problem of the present invention is to provide a USB terminal-equipped battery having a ring-shaped fastening member that can use a wireless Internet network by incorporating a Wi-Fi module inside the battery.

According to one aspect of the present invention, there is provided a battery pack including a power storage unit, a head unit having a USB female terminal on a side surface thereof, and a coupling member for coupling the power storage unit and the head unit.

According to the present invention, it is possible to easily insert the USB female terminal into the battery and arrange it firmly, thereby increasing the efficiency of the process of manufacturing the battery, and preventing the battery from being damaged during the transportation of the battery You can increase your profits.

In addition, according to the present invention, the charge and discharge functions can be performed through the USB female terminal while keeping the shape of the battery by fastening the head part and the power storage part easily and firmly.

In addition, according to the present invention, a wireless Internet network can be easily used through a Wi-Fi module.

In addition, according to the present invention, when an abnormality is detected in the charging voltage by sensing the charging voltage, the control chip automatically cuts off the charging function and automatically cuts off the power supply, thereby causing loss of property due to excessively high charging voltage The safety is high because it prevents damage to human life. After the charging is completed, the control chip automatically turns off the charging function as the green indicator light is turned on, thereby saving energy and being environmentally friendly.

1 is a view showing a battery with a USB terminal equipped with a ring-shaped fastening member according to a first embodiment of the present invention.
2 is a view showing a power storage unit of a battery with a USB terminal having a ring-shaped fastening member according to the first embodiment of the present invention.
3 is a view showing a head portion of a USB terminal type battery having a ring-shaped fastening member according to the first embodiment of the present invention.
4 is a view showing a fastening member of a USB terminal type battery having a ring-shaped fastening member according to the first embodiment of the present invention.
FIG. 5 is an exploded view of a USB-equipped battery with a ring-shaped fastening member according to the first embodiment of the present invention in a vertical direction; FIG.
6 is a diagram illustrating a process of transmitting and receiving a current by a USB terminal-equipped battery having a ring-shaped fastening member according to the first embodiment of the present invention.
7 is a view showing a power storage unit of a USB terminal type battery having a ring-shaped fastening member according to a second embodiment of the present invention.
8 is a view showing a head portion of a USB terminal type battery having a ring-shaped fastening member according to a second embodiment of the present invention.
FIG. 9 is a view showing a fastening member of a USB terminal type battery having a ring-shaped fastening member according to a second embodiment of the present invention. FIG.
10 is a view showing that a fastening member of a battery with a USB terminal having a ring-shaped fastening member according to a second embodiment of the present invention is fastened to the power storage unit and the head unit.
11 is a view showing a pressing process of a USB terminal type battery having a ring-shaped fastening member according to a second embodiment of the present invention.
12 is a view showing a sheet of a battery with a USB terminal equipped with a ring-shaped fastening member according to a second embodiment of the present invention.
13 is an exploded perspective view of a USB terminal type battery having a ring-shaped fastening member according to a third embodiment of the present invention.
Fig. 14 is a left side view of a USB terminal type battery having a ring-shaped fastening member according to a third embodiment of the present invention.
15 is a right side view of a USB terminal type battery having a ring-shaped fastening member according to a third embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Also, in order to clearly illustrate the present invention in the drawings, portions not related to the present invention are omitted, and the same or similar reference numerals denote the same or similar components.

The objects and effects of the present invention can be understood or clarified naturally by the following description, and the objects and effects of the present invention are not limited only by the following description.

The objects, features and advantages of the present invention will become more apparent from the following detailed description. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Hereinafter, a battery will be described with reference to the drawings.

1 is a view showing a battery with a USB terminal equipped with a ring-shaped fastening member according to a first embodiment of the present invention.

1A, a USB terminal-equipped battery having a ring-shaped fastening member according to a first embodiment of the present invention includes a power storage unit 100 for storing and discharging current, and a USB female terminal unit 210 And a fastening member 300 for fastening the head unit 200 and the power storage unit 100 to the head unit 200. 5, an upper surface of the power storage unit 100 and a bottom surface of the head unit 200 are coupled to each other. The bottom surface and the downward direction described in the present invention refer to the direction of the ground when the battery of the conventional technique is generally erected on the ground, and the upper surface and the upward direction refer to the opposite direction of the ground direction.

1B is a view showing a state in which the power storage unit 100, the head unit 200, and the fastening member 300 shown in FIG. 1A are fastened to each other. The battery with the USB terminal equipped with the ring-shaped fastening member according to the present invention is provided with the fastening member 300 between the power storage unit 100 and the head unit 200, The part 200 can be fastened.

Fig. 2 is a view showing a power storage unit 100 of a USB terminal type battery having a ring-shaped fastening member according to the first embodiment of the present invention.

Referring to FIG. 2, the power storage unit 100 stores and discharges a current. The power storage unit 100 may be formed in a cylindrical shape, but the power storage unit 100 may be formed in various shapes such as a rectangular parallelepiped shape. A portion of the upper surface of the power storage unit 100 has a portion 150 recessed downward by a predetermined length and a bottom surface of the power storage unit 100 is connected to a first negative electrode terminal And the first anode terminal 120 may protrude upward from the concave portion 150 of the upper surface of the power storage unit 100 in a cylindrical shape. A portion of the upper surface of the power storage unit 100 excluding the first cathode terminal 120 that does not enter concavedly on the upper surface of the power storage unit 100, that is, the edge of the upper surface is the second cathode terminal 130, And may have conductivity so that current can flow through contact with the cathode terminal 110. That is, the power storage unit 100 of the battery according to the present invention has the first anode terminal 120 at the center of the upper surface and the second anode terminal 130 at the edge of the upper surface.

3 is a view showing a head part 200 of a battery according to the first embodiment of the present invention.

The head unit 200 includes a USB female terminal portion 210 for contacting an external device, particularly a USB male terminal. The head portion 200 may be formed in a cylindrical shape, but any shape can be used as long as the USB terminal portion 210 can be provided. For example, in the case of a rectangular parallelepiped battery of 9v, the head portion may also have a rectangular parallelepiped shape in cross section. The bottom surface of the head part 200 may be open and the interior of the head part 200 may be hollow. On the top surface of the head part 200, a second positive electrode terminal 220 having a hemispherical shape for supplying current to the external device is provided The first insertion groove 201 can be formed. The first insertion groove 201 is sized to allow the second anode terminal 220 to pass therethrough. Here, the second anode terminal 220 corresponds to the anode of the conventional battery. The side of the head unit 200 may be formed with a second insertion groove 202 through which the USB female terminal unit 210 can be fastened to the USB male terminal of the external device.

The USB female terminal unit 210 connects the external device to the battery. The USB female terminal portion 210 can be applied to various connectors and ports such as Type A, Type B, Mini A, Mini B, Micro-A, Micro-B, and Micro-5 pins. In the embodiment of the present invention, it is assumed that the type of the USB female terminal portion 210 is a Micro-5 pin.

The USB female terminal 210 includes a GND terminal 211 and an NC terminal 212 for setting a voltage reference through a ground, a USB female terminal for transmitting and receiving a current, a USB female terminal, and a USB male terminal. And a VCC terminal 215 for supplying power to the VCC terminal. Here, the NC terminal 212 is an abbreviation of no connection and is a terminal that is not electrically connected, but the NC terminal 212 in the present invention is a terminal for grounding. The shapes and functions of the GND terminal 211, the NC terminal 212, the USB female terminal, the USB female terminal, and the VCC terminal 215 may be formed to correspond to the size, shape, and function defined in the international standard . Hereinafter, in order to clearly distinguish the configuration of the present invention, the USB female terminal and the USB female terminal are referred to as a third positive terminal 213 and a third negative terminal 214, respectively.

The USB dark terminal unit 210 may include a cathode line 230 for charging the power storage unit with power supplied from an external USB power supply terminal. One end of the cathode line 230 may be disposed between the second anode terminal 130 and the bottom surface of the head unit 200. The process of transmitting the current through the cathode line 230 will be described later in more detail with reference to FIG.

A board 240 may be formed on one side of the USB dark terminal unit 210. The substrate 240 is provided with a control chip 211 for controlling the flow of current into the battery. The substrate 240 is formed in a rectangular shape and includes a charged anode terminal 250 for transmitting a current to the first anode terminal 120 to charge the battery at a lower end of the substrate 240, And a discharge positive electrode terminal 260 for transferring the positive electrode terminal 220 to the second positive electrode terminal 220. The charged positive electrode terminal 250 and the discharge positive electrode terminal 260 may be formed in parallel with each other, and one side may be formed to contact the first positive electrode terminal 120. The control chip 211 controls the flow of current, and the charging anode terminal 250 and the discharging anode terminal 260 transmit the electric current will be described later in more detail with reference to FIG.

A pair of guide grooves 203 may be formed in the head part 200. In detail, the pair of guide grooves 203 are formed so as to face each other, and the USB female terminal portion 210 and the board 240 are formed so as to be inserted upward in the head portion 200, The USB female terminal portion 210 and the edge portion of the board 240 are inserted between the female terminal portions 210 and 203. Therefore, the USB female terminal portion 210 is easily inserted into the head portion 200 through the pair of guide grooves 203 of the head portion 200, and is firmly disposed to be separated from the head portion 200 .

The head unit 200 may further include a Wi-Fi module 270. The Wi-Fi module 270 receives power from the power storage unit 100 and emits a wireless Internet signal. The WiFi module 270 may be provided inside the head unit 200.

4 is a view showing a fastening member 300 of a battery according to the first embodiment of the present invention.

The fastening member 300 fastens the power storage unit 100 and the head unit 200 together. The fastening member 300 may be formed in an annular shape or a strip shape. In the embodiment of the present invention, the shape of the fastening member 300 is described as an annulus so as to fasten the power storage unit 100 and the head unit 200 having the fastening member 300 in a cylindrical shape. However, Accordingly, the shape of the fastening member 300 can be different. The fastening member 300 may be disposed between the power storage unit 100 and the head unit 200 to fasten the power storage unit 100 and the head unit 200.

FIG. 5 is an exploded view of a USB-equipped battery with a ring-shaped fastening member according to the first embodiment of the present invention in a vertical direction; FIG.

The coupling member 300 fixes the power storage unit 100 and the head unit 200 in a state where the upper surface of the power storage unit 100 and the lower surface of the head unit 200 are in contact with each other. Since the inner diameter L1 of the fastening member 300 is formed to be equal to or slightly smaller than the outer diameter L2 of the power storage unit 100 and the outer diameter L3 of the head unit 200, 100 and the head unit 200 can be easily fastened. As a more preferable embodiment, even if the inner diameter L1 of the fastening member 300 is slightly smaller than the outer diameter L2 of the power storage unit and the outer diameter L3 of the head unit 200, The fastening member 300 may have some elasticity so that the part 200 can be fixed.

The fastening member 300 is deformed in the centrifugal direction in the course of fastening with the power storage unit 100 and the head unit 200 to firmly hold the power storage unit 100 and the head unit 200 and prevent them from being damaged For example, stainless steel or aluminum. In a preferred embodiment, the fastening member 300 may be formed of an electrically conductive plastic material.

6 is a diagram illustrating a process of transmitting and receiving a current by a USB terminal-equipped battery having a ring-shaped fastening member according to the first embodiment of the present invention. FIG. 6 shows a process of charging a battery from an external device (FIG. 6A) and a process of supplying current to an external device (FIG. 6B).

6A, the third positive terminal 213, the charged positive terminal 250, and the first positive terminal 120 are electrically connected when the USB male terminal is coupled to the USB female terminal 210, The first negative electrode terminal 110, the second negative electrode terminal 130, and the third negative electrode terminal 214 are electrically connected. When the potential of the external device is larger than the potential of the battery, the control chip 211 controls the current of the external device to flow through the third positive terminal 213 and the second positive terminal 220 and the discharge positive terminal 260 ) So that current does not flow in the circuit between them. Therefore, the battery can be charged without being discharged. As another embodiment, when no load is connected (i.e., opened) to the third anode terminal 213, current (current) flows to the power storage unit 100 without current flow to the third anode terminal 213, The charging effect can be achieved even if the control chip 211 does not control the current separately.

Referring to FIG. 6B, if the configuration of the electrical connection is similar to that of FIG. 6A, and the potential of the external device is smaller than the potential of the battery, the control chip 211 supplies current to the external device through the third positive terminal 213 .

7 is a view showing a power storage unit 100 of a battery according to a second embodiment of the present invention.

The power storage unit 100 may further include a first groove 101. The first groove 101 is fastened to the first recessed portion 301 of the fastening member described later in FIG. 9 to fix the power storage unit 100 and the fastening member 300. The first groove 101 is provided in the shape of a strip at the upper end of the power storage unit 100 and is provided so as to enter the inside direction (the center axis direction around the side surface) with respect to the center axis a. Hereinafter, the center axis (a) will be described as an axis passing through the center of the cross section of the battery when the battery is arranged to stand on the ground.

8 is a view showing a head part 200 of a battery according to a second embodiment of the present invention.

The head portion 200 may further include a second groove 204. The second groove 204 is engaged with the second concave portion 304 of the fastening member described later in Fig. 9 to fix the head portion 200 and the fastening member 300. The second groove 204 is provided in a strip shape along the circumference of the side at the lower end of the head portion. 8A, the diameter of the second groove 204 is set to be smaller than the diameter of the head part 200, and the lower end of the head part 200 including the second groove is connected to the upper end of the fastening member 300 As shown in FIG. 8B, the second groove 204 is provided to extend inward in relation to the center axis a, similar to the first groove, so that the head portion 200 and the fastening member (300) can be tightened more firmly.

9 is a view showing a fastening member 300 having a first concave portion and a second concave portion according to a second embodiment of the present invention.

The fastening member 300 has a first concave portion 301 and a second concave portion 304. The first concave portion 301 is provided at the lower end of the fastening member 300 and the second concave portion 304 is provided at the upper end of the fastening member 300. [ The first concave portion 301 and the second concave portion 304 are provided so as to enter inward with respect to the center axis a. The first recess and the second recess are inserted into the first groove and the second groove of the power storage unit 100 and the head unit 200 respectively so that the fastening member 300 easily fastens the head unit and the power storage unit, So that the fastened state can be maintained. Therefore, any shape can be used as long as the shape of the first recess 301 and the second recess 304 can be inserted in a shape corresponding to the shape of the first groove and the second groove.

10 is a view showing that a fastening member 300 of a battery with a USB terminal having a ring-shaped fastening member according to a second embodiment of the present invention is fastened to the power storage unit 100 and the head unit 200 . 10A is a view showing a state in which the power storage unit 100, the head unit 200 and the fastening member 300 according to the second embodiment are fastened together. FIG. 10B shows a state in which the power storage unit 100, the head unit 200, And the fastening member 300 is separated from the fastened state.

10A, the upper end of the power storage unit 100 is inserted into the lower end of the fastening member 300, and the lower end of the head unit 200 is inserted into the upper end of the fastening member 300, A part of the portions of the power storage unit 100 and the head unit 200 that are inserted into the coupling member 300 are pressed inward by the pressing process of the coupling unit 300 so that the first recess 301 And the second concave portion 304 are generated.

Referring to FIG. 10B, the first concave portion 301 is configured to enter and engage the first groove 101. The first concave portion 301 is provided in the outward direction of the first groove 101 and the first concave portion 301 is fastened in such a manner as to press the first groove 101, So that the first groove (101) is not separated from the first recess (301). Likewise, the second recess 304 is configured to enter and engage the second groove 204. The second concave portion 304 is provided in the outer direction of the second groove 204 and presses the second groove 204 inward with respect to the central axis to form the second groove 204 and the second concave portion 304 Is not removed. The first recessed portion 301 and the second recessed portion 304 are required to press the fastening member 300 through a pressing process in order to press the first groove 101 and the second recessed portion 204, Will be described with reference to FIG.

11 is a view showing a pressing process of a USB terminal type battery having a ring-shaped fastening member according to a second embodiment of the present invention.

Here, the pressurization process refers to a process of pressing the side surface of the fastening member 300 and simultaneously rotating (s) the battery about the center axis a. In detail, the pressurizing step presses the side surface of the battery with the pressing member 400 while rotating the battery in the direction of the center axis a so as to press the side surface of the battery unit 100, the head unit 200 and the fastening member 300, To a more rigid connection. Although the pressing member 400 of the second embodiment of the present invention is provided in the shape of a quadrangular prism having one end that is in contact with and presses the fastening member with an inclined surface, Any shape can be used. The pressing member 400 may be formed of a plurality of pressing members and the plurality of pressing members may have a first concave portion 301 among the portions where the lower end of the coupling member 300 is inserted into the upper end of the power storage unit 100 The formed portion i and the upper end of the fastening member 300 are disposed at the portion j where the second recessed portion 304 is formed in the portion of the lower portion of the head portion 200 that is inserted into the lower end of the head portion 200, ) Direction.

12 is a view showing a sheet 500 of a battery according to a second embodiment of the present invention.

The sheet 500 is a structure for more firmly fastening the power storage unit 100 and the fastening member 300. The power storage unit 100 and the fastening member 300 may be surrounded by the sheet 500 and may not be separated from the external impact. At this time, the height of the seat 500 may be from the bottom of the power storage unit 100 to the recess 310 provided on the upper surface of the fastening member 300, So as to prevent the sheet 500 from being damaged by the heat of the USB male terminal of the external device to be fastened. In addition, the seat 500 is configured to prevent electric shock due to the battery. For this purpose, the sheet 500 may be formed of an insulating material. In a more preferred embodiment, the sheet 500 may be formed of a rubber or ceramic material. In addition, any material of the sheet 500 is possible as long as it can prevent a situation in which the user is electrically charged when gripping the battery surrounded by the sheet 500.

FIG. 14 is a left side view of a battery according to a third embodiment of the present invention, and FIG. 15 is a perspective view of a battery according to a third embodiment of the present invention. Right side view.

13 to 15, the battery includes a power storage unit (battery core 1 100), a head unit (battery cap 3 200), a USB female terminal unit (USB charging cradle 6 210) And the head portion 3 is assembled to the upper end of the electricity accumulating portion 1 through the fastening member (fixing ring 2) 300, and the second positive electrode terminal (anode metal cap 8) The positive electrode terminal 8 is assembled in the head part 3 and the second positive electrode terminal 8 is connected to the positive electrode of the power storage part 1 and the upper end of the second positive electrode terminal 8 is connected to the positive electrode of the head part 3 The USB female terminal portion 6 is assembled to the head portion 3. The power storage portion 1 is charged through the USB female terminal portion 6 and the PCB board The control chip 7 is provided on the board 4 and is connected to the USB female terminal 6 and the power storage unit 1 Are all electrically connected to the substrate 4 and the negative electrode of the power storage unit 1 is electrically connected to the substrate 4 through the negative electrode line, The control chip 7 on the substrate 4 controls the charging process of the power storage unit 1. The substrate 4 is further provided with an indicator lamp 5 which indicates the state of charge through the indicator lamp 5, A light transmitting hole corresponding to the position of the indicator light 5 is further provided on the head part 3 so that the state of the indicator light 5 in the head part 3 can be seen more directly, In the third embodiment of the present invention, it is preferable that a total of two indicator lamps 5 are provided, which are a red indicator lamp and a green indicator lamp, respectively.

The operation principle of the battery according to the third embodiment of the present invention is as follows. When the USB terminal-equipped battery including the ring-shaped fastening member is engaged with the USB male terminal corresponding to the USB female terminal portion 6 during the charging process, the control chip 7 senses the charging voltage, Is 5 V and the sensed charge voltage is outside the safe charge voltage range 5 V 0.5 V, the control chip 7 automatically cuts off the charge function and automatically cuts off the power supply, resulting in a potential safety hazard . At this time, the red indicator light keeps blinking and notifies the user of the status. When the charging voltage is within the safe charging voltage range of 5 V ± 0.5 V, the control chip 7 activates the charging function and charges the power storage unit 1 through the USB female terminal unit 6. When the battery charging is completed during the charging process, the control chip 7 automatically turns off the charging function at the same time as the green indicator light is turned on, thereby saving energy and being environmentally friendly.

The third embodiment of the present invention detects the charging voltage so that when an abnormality is found in the charging voltage, the control chip 7 automatically blocks the charging function and automatically cuts off the power supply, So that the control chip 7 automatically turns off the charging function as soon as the green indicator light is turned on after the charging is completed, thereby saving energy and being environmentally friendly.

It will be apparent to those skilled in the art that various modifications, additions and substitutions are possible, without departing from the spirit and scope of the invention as defined by the appended claims. Should be regarded as belonging to the claims.

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 or scope of the inventive concept as defined by the appended claims. But is not limited thereto.

Claims (9)

A power storage unit 100;
A head portion 200 having a USB female terminal portion 210 on a side surface thereof;
And a fastening member (300) for fastening the power storage unit (100) and the head unit (200) to each other.
The method according to claim 1,
Wherein the fastening member (300) has an annular shape.
The method according to claim 1,
And a ring-shaped fastening member having a cathode on the bottom surface of the power storage unit and an anode on the top surface of the head unit.
The method according to claim 1,
A belt-shaped first groove (101) is formed along the circumference at the upper end of the power storage unit (100)
And a second groove (204) is formed in the lower end of the head part (200) along the circumference of the head part (200).
5. The method of claim 4,
The first groove (101) and the second groove (204) are inserted into the fastening member (300)
Wherein the inner diameter of the fastening member (300) is larger than the outer diameter of the power storage unit (100) and the head unit (200).
5. The method of claim 4,
The fastening member 300 is fastened to the head part 200 and the second fastening part 300 through the first recessed part 301 and the second recessed part 304 provided along the first groove 101 and the second recessed part 204, And the power storage unit (100) is fastened.
The method according to claim 1,
Wherein the fastening member (300) is made of stainless steel or an aluminum material.
The method according to claim 1,
And a wiper module (270) is provided inside the head part (200).
The method according to claim 5 or 6,
Further comprising a sheet (500) surrounding the battery,
Wherein the sheet (500) surrounds the power storage unit (100) and the fastening member (300).

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