WO2021157774A1

WO2021157774A1 - Battery charging apparatus

Info

Publication number: WO2021157774A1
Application number: PCT/KR2020/003173
Authority: WO
Inventors: 설기운; 최호철
Original assignee: 주식회사 인에이블인터내셔널
Priority date: 2020-02-03
Filing date: 2020-03-06
Publication date: 2021-08-12
Also published as: KR102144648B1; KR102278338B1

Abstract

A battery charging apparatus according to an embodiment of the present invention may comprise: a housing having an inner space; a door rotatably coupled to the housing and opening/closing the inner space; a battery tray which is arranged to be slidable and charges a battery mounted on a surface thereof; and a driving unit connected to the battery tray and moving the battery tray forward and backward.

Description

battery charging device

The present invention relates to a battery charging device, and more particularly, to a battery charging device for a battery used in transportation means such as an electric bike and an electric bicycle.

Recently, in order to solve chronic traffic congestion and environmental pollution caused by an increase in traffic volume, the use of electric bicycles and electric bicycles that can be operated by electricity is encouraged.

In the case of electric bikes and electric bicycles, a rechargeable battery is included, and when the power of the battery is exhausted, it must be charged before use. However, since a separate charging device is required to charge the battery, it is inconvenient to only charge the battery at a place such as a home or a company equipped with a charging device. In addition, there is a problem in that it is difficult to operate while the battery is being charged.

Therefore, there is a need for research on a device that can solve the limitation of the battery charging location and can solve the problem that the operation is limited during the charging time.

SUMMARY OF THE INVENTION An object of the present invention is to provide a battery charging device capable of solving the problem of a battery charging location limitation.

Another object of the present invention is to provide a battery charging device capable of solving a problem in which operation of a transportation means is limited during battery charging.

A battery charging device according to an embodiment of the present invention includes: a housing including an internal space; a door rotatably coupled to the housing to open and close the inner space; a battery tray that is slidably arranged and charges the battery seated on one side; and a driving unit connected to the battery tray to move the battery tray forward and backward.

In the battery charging device according to an embodiment of the present invention, the driving unit may include: a shaft fixing part connected to a bottom surface of the housing and having a bearing therein; a shaft having both ends rotatably coupled to the shaft fixing part and having a thread formed on an outer circumferential surface; a shift block connected to the bottom surface of the battery tray, the shaft being inserted, and moving forward and backward according to a direction in which the shaft rotates; and a motor coupled to one end of the shaft to rotate the shaft.

In the battery charging device according to an embodiment of the present invention, the battery tray may be exposed to the outside of the inner space or disposed inside the inner space as it slides.

In the battery charging device according to an embodiment of the present invention, the battery tray may include a lower panel connected to the driving unit; a barrier portion coupled to the upper surface of the lower panel and forming a battery seating portion on which the battery is mounted; a shielding panel connected to the upper surface of the lower panel at the rear of the barrier; and a power port connected to an external power source and having a charging terminal extended to the battery seat to charge the battery.

In the battery charging apparatus according to an embodiment of the present invention, a spacer may be provided on a lower surface of the lower panel to limit upper rotation of the door when the battery tray slides and is exposed to the outside.

In the battery charging device according to an embodiment of the present invention, a guide post may be provided on a bottom surface of the lower panel, and the guide post may be inserted into a bottom surface of the housing to guide movement of the guide post.

In the battery charging apparatus according to an embodiment of the present invention, a pressure sensor for sensing whether the battery is seated is provided on the lower panel, and in the pressure sensor, a sensing bar may protrude to an upper portion of the lower panel by a predetermined length.

A cover chain for protecting the cable bundle connected to the pressure sensor in the battery charging device according to an embodiment of the present invention may be further included.

The battery charging device according to an embodiment of the present invention may further include a light emitting unit provided on the outer surface of the door, wherein the light emitting unit may emit different colors in response to the state of charge of the battery being charged.

The battery charging device according to an embodiment of the present invention may further include an elastic hinge unit that connects the door and the housing and applies an external force to the door so that the door rotates in a direction to seal the inner space.

The battery charging device according to an embodiment of the present invention is effective in solving the problem of limiting a battery charging place by being installed at various bases.

The battery charging device according to an embodiment of the present invention has the effect of solving the problem of limiting the operation of the transportation means during the charging time by enabling the battery to be exchanged with the pre-charged battery with exhausted power.

1 is a schematic block diagram illustrating a configuration relationship of a battery charging device according to an embodiment of the present invention.

2 is a schematic perspective view of a battery charging device according to an embodiment of the present invention.

3 is a schematic perspective view illustrating a state in which a door is opened in the battery charging device according to an embodiment of the present invention.

4 is a schematic perspective view illustrating a state in which a battery is removed from a battery charging device according to an embodiment of the present invention.

5 is a schematic partial perspective view illustrating a state in which a door is opened in the battery charging apparatus according to an embodiment of the present invention.

6 is an exploded perspective view of the configuration shown in FIG. 5 .

7 is a bottom perspective view of a battery tray of a battery charging device according to an embodiment of the present invention.

8 is a schematic partial cross-sectional view illustrating a locked state of a door in a battery charging device according to an embodiment of the present invention.

9 is a schematic partial cross-sectional view illustrating an open state of a door in the battery charging device according to an embodiment of the present invention.

Prior to the detailed description of the present invention, the terms or words used in the present specification and claims described below should not be construed as being limited to their ordinary or dictionary meanings, and the inventors should develop their own inventions in the best way. For explanation, it should be interpreted as meaning and concept consistent with the technical idea of the present invention based on the principle that it can be appropriately defined as a concept of a term. Accordingly, the embodiments described in this specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention, and do not represent all of the technical spirit of the present invention, so various equivalents that can be substituted for them at the time of the present application It should be understood that there may be water and variations.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In this case, it should be noted that the same components in the accompanying drawings are denoted by the same reference numerals as much as possible. In addition, detailed descriptions of well-known functions and configurations that may obscure the gist of the present invention will be omitted. For the same reason, some components are exaggerated, omitted, or schematically illustrated in the accompanying drawings, and the size of each component does not fully reflect the actual size.

1 to 4 , the battery charging device 1 according to an embodiment of the present invention is rotatably coupled to the housing 100 including the internal space S, the housing 100, and the internal space ( Door 200 that opens and closes S), is connected to the battery tray 300 and the battery tray 300 to be slidably disposed in the inner space (S) and to charge the battery (B) seated on one side of the battery tray ( It may include a driving unit 400 for moving the 300 back and forth.

The housing 100 may constitute the exterior of the battery charging device 1 and may be manufactured using a metal material, a resin material, wood, or the like. The housing 100 includes an upper housing 110 having a display unit 500 , a payment unit 600 , a door 200 and a battery tray 300 , and a lower housing 120 connected to a lower end of the upper housing 110 . ) may be included.

A display unit 500 may be provided in the upper housing 110 . The display unit 500 may be provided to provide operation state information of the battery charging device 1 to the user or to receive operation information from the user.

The display unit 500 may be provided as a touch panel or a touch screen to simultaneously perform an input function and a display function. In other words, the display unit 500 may display a series of selection processes for charging the battery B seated in the battery tray 300 , and the user may input information by touching the display unit 500 . can

The display unit 500 may be replaced with an output device capable of displaying information. In this case, the display unit 500 may be driven by including an input device such as a keyboard, a keypad, a joystick, and a mouse. For example, the display unit 500 includes a liquid crystal display (LCD), a thin film transistor LCD (TFT-LCD), a light emitting diode (LED, Light Emitting Diode), an organic light emitting diode ( OLED, Organic LED), an active organic light emitting diode (AMOLED, Active Matrix OLED), a retina display (Retina Display), a flexible display (Flexible display), it may be configured to include at least one of a three-dimensional display.

A payment unit 600 may be provided on one side of the display unit 500 . The payment unit 600 may receive payment information such as user's account information or credit card information and transmit it to the control unit 700 , or may receive cash input from the user and transmit the corresponding amount information to the control unit 700 .

The payment unit 600 may include, for example, a magnetic card reader, a QR code reader, a near field communication (NFC) communicator, a radio frequency identification (RFID) communicator, and the like. The payment unit 600 may be replaced with various devices commonly used in the art, as long as it is a device capable of receiving payment information for payment from a user.

The control unit 700 may be provided inside the housing 100 to perform an overall control function of the battery charging device 1 , and may include at least one microprocessor. For example, the control unit 700 may control the operation of the door 200 , the battery tray 300 , and the driving unit 400 based on information received from the payment unit 600 and the display unit 500 . . Also, the control unit 700 may include a communication unit 710 . Communication unit 710, for example, wireless LAN (Wlan, Wireless Lan), Wi-Fi (Wi-Fi), Wibro (Wibro), Wimax (Wimax), high-speed downlink packet access (HSDPA, High Speed Downlink Packet Access) any one It is provided as a wireless communication unit using one method, or any one of Ethernet (Ethernet), xDSL (ADSL, VDSL), HFC (Hybrid Fiber Coax), FTTC (Fiber to The Curb), FTTH (Fiber To The Home) It may be provided as a wired communication unit using a method. The control unit 700 transmits state information of the housing 100 , the door 200 , the battery tray 300 , the driving unit 400 , the display unit 500 , and the payment unit 600 through the communication unit 710 to the outside. may be transmitted to the manager server 800 of The manager server 800 may transmit the received status information to the user's terminal (M). Here, the user's terminal M may refer to a terminal capable of transmitting and receiving various data via a mobile communication network or the Internet network. For example, the terminal M includes a tablet PC (Table PC), a laptop (Laptop), a personal computer (Personal Computer), a smart phone (Smart Phone), a personal digital assistant (PDA, Personal Digital Assistant), a smart TV and It may be any one of a mobile communication terminal and the like.

The lower housing 120 may be provided at a lower end of the upper housing 110 . The lower housing 120 may have a cross-sectional area greater than a cross-sectional area of the lower end of the upper housing 110 . In other words, the upper housing 110 and the lower housing 120 may be provided in an 'L' shape as a whole. By providing the cross-sectional area of the lower housing 120 larger than the cross-sectional area of the lower end of the upper housing 100 , it is possible to prevent the housing 100 from tilting or falling over. In addition, since a user's luggage can be placed on the upper surface of the lower housing 120 , the convenience of use of the battery charging device 1 can be improved.

5 to 7 , at least one door 200 may be rotatably provided in the housing 100 . The door 200 may open and close the inner space (S, see FIG. 8 ) of the housing 100 by rotating. One end of the door 200 may be rotatably coupled to the housing 100 . For example, the door 200 may be connected to the housing 110 by the elastic hinge part 210 . The elastic hinge part 210 may connect the door 200 and the housing 100 , and applies an external force to the door 200 so that the door 200 rotates in a direction to seal the inner space S of the housing 100 . can apply The elastic hinge part 210 may be provided as, for example, a torsion spring. The elastic hinge part 210 may be replaced with various elastic materials capable of applying an external force to the door 200 .

The door 200 may be provided with an electronic locking device 220 . The electronic locking device 220 may be bound to or separated from the locking part 101 of the housing 100 by a signal from the controller 700 . When the locking device 220 is bound to the locking part 101, the door 200 corresponds to a locked state (see FIG. 8), and when the locking device 220 is separated from the locking part 101, the door 200 may correspond to an open state (see FIG. 9 ). When the battery tray 300 advances in the open state of the door 200 , the door 200 may be opened by being pressed by the battery tray 300 .

A light emitting part 230 may be provided on the outer surface of the door 200 . The light emitting unit 230 may include at least one of an LED bulb, a fluorescent bulb, and an incandescent bulb. The light emitting unit 230 may emit different colors in response to the state of charge of the battery B being charged in the battery tray 300 . For example, when the battery B continues to be charged, the light emitting unit 230 may emit a red light, and when charging is complete, the light emitting unit 230 may emit a green light. When the state of charge of the battery B is divided into multiple stages, the light emitting unit 230 may emit different colors corresponding to each stage.

The battery tray 300 may be provided to charge the battery (B). The battery tray 300 may be slidably provided in the inner space S of the housing 100 . When the battery tray 300 slides forward, the battery tray 300 may be exposed to the outside, and when the battery tray 300 slides backward, the battery tray 300 is the inner space of the housing 100 . (S) may be disposed inside.

The battery tray 300 is, for example, a lower panel 310 connected to the driving unit 400, coupled to one surface of the lower panel 310 and forming a battery receiving portion 320a on which the battery B is seated. The part 320, the shielding panel 330 connected to one surface of the lower panel 310 at the rear of the barrier part 320, and an external power source, and the charging terminal is extended to the battery seating part 320a to hold the battery (B). It may include a charging power port 340 (refer to FIG. 3).

The lower panel 310 may be provided in a flat plate shape, and may be made of a metal material or a resin material. At least one through hole 310a may be formed in the lower panel 310 .

A barrier 320 may be provided on the upper surface of the lower panel 310 . The barrier portion 320 may be coupled to the upper surface of the lower panel 310 to form a battery seating portion 320a on which the battery B is seated. The barrier 320 may be provided in a rectangular frame shape, for example. However, the shape of the barrier 320 may be changed to correspond to the shape of the charging target battery. In addition, the barrier portion 320 may be provided in a continuous frame shape or may be provided in a plurality of pieces to be spaced apart from each other to correspond to the shape of the bottom of the battery.

The lower panel 310 may be provided with a pressure sensor 321 for sensing whether the battery B is seated. The pressure sensor 321 may be disposed inside the battery mounting part 320a to detect whether the battery B is seated. The pressure sensor 321 may include a sensing bar 321a rotatable downward when an external force is applied. The sensing bar 321a may be provided to pass through the pressure sensor through hole 310b of the lower panel 310 and protrude a predetermined length into the upper portion of the lower panel 310 , that is, the inside of the battery seat 320a. . A roller may be provided at an end of the sensing bar 321a to minimize friction when the battery B is mounted. When the battery B is seated on the battery mounting part 320a, the battery B rotates by pressing the sensing bar 321a. When the sensing bar 321a rotates downward, the pressure sensor 321 may determine that the battery is seated in the battery seat 320a.

The pressure sensor 321 may be connected to the control unit 700 by a separate wire cable. The pressure sensor 321 slides with the battery tray 300 when it slides. Accordingly, the wire cable connected to the pressure sensor 321 may be twisted or tangled. In order to prevent this problem, a cover chain 321b for protecting the cable bundle connected to the pressure sensor 321 may be provided on the lower surface of the lower panel 310 . The cover chain 321b may be disposed to surround the cable bundle to prevent the cable bundle from being tangled or from interfering with other accessories.

In order to assist the smooth movement of the battery tray 300 , a guide post 351 may be provided on the bottom surface of the lower panel 310 , and the guide post 351 is inserted into the bottom surface of the housing 100 , and the guide post A guide rail 352 for guiding the movement of the 351 may be provided. The guide post 351 and the guide rail 352 may be provided on both sides of the housing 100 in the width direction. Here, the width direction may mean a 'y' axis direction with reference to FIG. 7 . However, the number and shape of the guide posts 351 and the guide rails 352 may be replaced with various configurations commonly used in the art as long as they can guide the smooth sliding movement of the battery tray 300 .

A spacer 370 may be provided on a bottom surface of the lower panel 310 . The spacer 370 is disposed in front of the guide post 351 to prevent the guide post 351 from being exposed to the front, and when the battery tray 300 slides and is exposed to the outside, the door 200 is closed. By pressing, the upper rotation of the door 200 may be restricted.

A shielding panel 330 may be provided at the rear of the barrier 320 . The shielding panel 330 may be provided to shield the inner space of the housing 100 . The shielding panel 330 may prevent foreign substances from being introduced into the rear of the battery tray 300 to cause mechanical failure. The shielding panel 330 may be connected to the upper surface of the lower panel 310 at the rear of the barrier 320 , and an upper end may be provided higher than the upper end of the barrier 320 . A locking part groove 331 and a power port groove 332 may be formed in the upper edge of the shielding panel 330 . The locking part groove 331 can prevent interference with the locking part 101 of the housing 100 when the shielding panel 330 moves forward and backward, and the power port groove 332 is the power port 340 . A passage that can extend to the battery mounting part 320a may be provided.

The power port 340 may be connected to an external power source to charge the battery B. The charging terminal 341 of the power port 340 may extend to the battery receiving part 320a. The user connects the charging terminal 341 and the battery B in a state in which the battery B is seated in the battery seat 320a to charge, or separates the charged battery B from the charging terminal 341 to can be removed

The battery tray 300 may slide forward and backward by the driving unit 400 . The drive unit 400 is, for example, connected to the bottom surface of the housing 100 and has a shaft fixing part 410 having a bearing 412 on the inside, and both ends are rotatably coupled to the shaft fixing part 410 . Shift block 430 and shaft 420 that are connected to the lower surface of the shaft 420 and the battery tray with threads formed on the outer circumferential surface, and the shaft 420 is inserted to move forward and backward according to the direction in which the shaft 420 rotates. It may include a motor 440 connected to one end of the shaft 420 to rotate.

The shaft fixing unit 410 may include a case 411 fixedly installed on the bottom surface of the housing 100 and a bearing 412 provided inside the case 411 . The shaft fixing part 410 may be provided as a pair on both sides of the housing 100 in the longitudinal direction to rotatably support the shaft 420 .

Both ends of the shaft 420 may be supported by being inserted into the bearing 412 of the shaft fixing part 410 . Here, one end of the shaft 420 may extend to the outside of the shaft fixing unit 410 , and the extended end may be connected to the motor 440 to receive driving force from the motor 440 . The motor 440 and the shaft 420 may be connected using at least one gear, and since the gear coupling structure of the motor 440 and the shaft 420 corresponds to a known technology, a detailed description thereof will be omitted. In addition, a thread may be formed on the outer circumferential surface of the shaft 420 , and accordingly, when the shaft 420 rotates, the shift block 430 may move forward or backward.

The shift block 430 may be connected to the shaft 420 . A shaft insertion hole 431 may be formed in the shift block 430 , and a screw trough engaged with a screw thread formed in the shaft 420 may be formed on an inner circumferential surface of the shaft insertion hole 431 . The shaft 420 may be inserted into the shaft insertion hole 431 , and the screw thread of the shift block 430 may be engaged with the screw thread of the shaft 420 .

The shift block 430 may be bound to the bottom of the battery tray 300 , that is, to the lower panel 310 of the battery tray 300 , and the battery tray 300 is guided by a guide rail ( 351 ). 352) can be bound. Accordingly, when the shaft 420 rotates, the movement of the shift block 430 in the width direction (y-axis, see FIG. 5) and in the thickness direction (z-axis, see FIG. 5) is limited, and the shift block 430 is the shaft A linear motion may be performed along the 420 in the longitudinal direction (x-axis, see FIG. 5 ). The shift block 430 may move forward or backward according to the rotation direction of the shaft 420 . For example, when the shaft 420 rotates in one direction, the shift block 430 may move forward, and when the shaft 420 rotates in the other direction, the shift block 430 may move backward.

Hereinafter, an operation process of the battery charging device 1 according to an embodiment of the present invention will be briefly described.

When the user inputs payment information for payment to the payment unit 600 , the display unit 500 may display a list of battery trays including the charged batteries on the screen.

Thereafter, when the user selects any one of the battery tray lists displayed on the display unit 500 , the control unit 700 sets the door 200 corresponding to the battery tray 300 to an open state, and then the driving unit 400 ) to move the corresponding battery tray 300 forward.

Thereafter, the user can remove the battery (B) seated in the battery tray 300 exposed to the outside, and then seat the battery that needs charging separated from the transportation means in the battery tray 300 and connect the power port 340. there is.

When the battery that needs charging is seated in the battery tray 300 and the connection between the battery and the power port 340 is confirmed, the control unit 700 drives the driving unit 400 to move the battery tray 300 to the rear. After the door 200 is set to the locked state, battery charging may be performed.

As described above, the battery charging device according to an embodiment of the present invention has an effect of resolving the limitation in the operation of the transportation means during the charging time by making it possible to exchange the power exhausted battery and the precharged battery.

In addition, the battery charging device according to an embodiment of the present invention can be installed and driven at various bases, and thus, there is an effect that can solve the problem of limiting the battery charging place.

In the above, the configuration and features of the present invention have been described based on the embodiments of the present invention, but the present invention is not limited thereto, and various changes or modifications can be made within the spirit and scope of the present invention. It is apparent to those skilled in the art, and therefore, such changes or modifications are intended to fall within the scope of the appended claims.

[Explanation of code]

1: battery charging device 100: housing

110: upper housing 120: lower housing

200: door 210: elastic hinge portion

220: electronic lock 230: light emitting unit

300: battery tray 310: lower panel

320: barrier 330: shielding panel

340: power port 400: drive unit

410: shaft fixing portion 420: shaft

430: shift block 440: motor

500: display unit 600: payment unit

700: control unit

Claims

a housing including an interior space;

a door rotatably coupled to the housing to open and close the inner space;

a battery tray that is slidably disposed in the inner space and charges a battery seated on one surface; and

a driving unit connected to the battery tray to move the battery tray forward and backward

battery charging device.
According to claim 1,

The drive unit is

a shaft fixing part connected to the bottom surface of the housing and having a bearing therein;

a shaft having both ends rotatably coupled to the shaft fixing part and having a thread formed on an outer circumferential surface;

a shift block connected to the bottom surface of the battery tray, the shaft being inserted, and moving forward and backward according to a direction in which the shaft rotates; and

A motor coupled to one end of the shaft to rotate the shaft; including,

battery charging device.
According to claim 1,

The battery tray,

As it slides, it is exposed to the outside of the inner space or disposed inside the inner space,

battery charging device.
According to claim 1,

The battery tray,

a lower panel connected to the driving unit;

a barrier portion coupled to the upper surface of the lower panel and forming a battery seating portion on which the battery is mounted;

a shielding panel connected to the upper surface of the lower panel at the rear of the barrier; and

A power port connected to an external power source and having a charging terminal extended to the battery seat to charge the battery; including,

battery charging device.
5. The method of claim 4,

A spacer is provided on the lower surface of the lower panel to limit the upper rotation of the door when the battery tray slides and is exposed to the outside,

battery charging device.
5. The method of claim 4,

A guide post is provided on the lower surface of the lower panel,

The guide post is inserted into the bottom surface of the housing, and a guide rail for guiding the movement of the guide post is provided,

battery charging device.
5. The method of claim 4,

A pressure sensor for sensing whether the battery is seated is provided on the lower panel, and the pressure sensor has a sensing bar protruding from an upper portion of the lower panel by a predetermined length;

battery charging device.
8. The method of claim 7,

Further comprising a cover chain for protecting the cable bundle connected to the pressure sensor,

battery charging device.
According to claim 1,

Further comprising a light emitting unit provided on the outer surface of the door,

The light emitting unit emits a different color in response to the state of charge of the battery being charged,

battery charging device.
According to claim 1,

Connecting the door and the housing, further comprising an elastic hinge for applying an external force to the door so that the door rotates in a direction to seal the inner space,

battery charging device.