WO2022149407A1 - バッテリ装置、充電器及び電子機器 - Google Patents

バッテリ装置、充電器及び電子機器 Download PDF

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Publication number
WO2022149407A1
WO2022149407A1 PCT/JP2021/045478 JP2021045478W WO2022149407A1 WO 2022149407 A1 WO2022149407 A1 WO 2022149407A1 JP 2021045478 W JP2021045478 W JP 2021045478W WO 2022149407 A1 WO2022149407 A1 WO 2022149407A1
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WO
WIPO (PCT)
Prior art keywords
battery device
mounting
guide
terminal
battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2021/045478
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
庸介 松崎
大樹 佐藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Group Corp
Original Assignee
Sony Group Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Group Corp filed Critical Sony Group Corp
Priority to JP2022573961A priority Critical patent/JPWO2022149407A1/ja
Priority to US18/256,928 priority patent/US20240305117A1/en
Publication of WO2022149407A1 publication Critical patent/WO2022149407A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/46—Accumulators structurally combined with charging apparatus
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H27/00—Toy aircraft; Other flying toys
    • A63H27/12—Helicopters ; Flying tops
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/247—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane

Definitions

  • This disclosure relates to battery devices, chargers and electronic devices.
  • Some imaging devices such as still cameras and video cameras and moving objects such as drones are made operable by the power of the battery device.
  • An image pickup device, a moving body, or the like operated by the electric power of the battery device is referred to as a battery-powered device.
  • Charging of the battery device is performed, for example, by attaching the battery device to the charger.
  • the battery device is provided with connection terminals including positive electrode terminals and negative electrode terminals.
  • connection terminals including positive electrode terminals and negative electrode terminals.
  • the user When mounting the battery device on a charger or battery-powered device, the user needs to position the battery device at a predetermined mounting location. If it takes time for alignment, it takes time to start charging or power supply. Further, by bringing the battery device into contact with other structures, the connection terminal may be damaged or the connection terminal may be scratched.
  • the present disclosure provides battery devices, chargers, and electronic devices that allow a battery device to be easily attached to a connected device.
  • the battery device of the present disclosure is provided between the first exterior surface, the second exterior surface facing the first exterior surface, the first exterior surface, and the second exterior surface, and the third exterior surface facing each other.
  • a housing provided between the first exterior surface and the second exterior surface and having a fifth exterior surface and a sixth exterior surface facing each other, and connected to the electrode terminals of the connecting device.
  • the terminal portion is provided on one of the third exterior surface and the fourth exterior surface, and is opened in the connection direction between the connection terminal and the electrode terminal, and the terminal portion is arranged.
  • a plurality of first guide recesses provided on one of the third exterior surface and the fourth exterior surface and opened in the connection direction, and a plurality of first guide recesses provided on the fifth exterior surface and in the connection direction. It includes an open second guide recess and a third guide recess provided on the sixth exterior surface and opened in the connection direction.
  • the charger of the present disclosure has a mounting surface on which the battery device is mounted, and first, second, and third surfaces that at least partially surround the mounting surface, the first surface being the second surface.
  • a mounting recess provided between the surface and the third surface, a terminal portion provided on the mounting surface and having an electrode terminal connectable to a connection terminal of the battery device, and a terminal portion provided on the first surface.
  • a plurality of first guide protrusions having a longitudinal direction corresponding to the connection direction of the electrode terminal and the connection terminal, and a second guide provided on the second surface and having a longitudinal direction corresponding to the connection direction. It includes a convex portion and a third guide convex portion provided on the third surface and having a longitudinal direction corresponding to the connection direction.
  • the electronic device of the present disclosure is an electronic device having a battery mounting portion to which a battery device can be mounted, and the battery mounting portion includes a mounting surface on which the battery device is mounted and a mounting surface that at least partially surrounds the mounting surface. It has one surface, a second surface, and a third surface, and the first surface has a mounting recess provided between the second surface and the third surface, and the first surface along the first surface.
  • the direction from one of the upper surface and the lower surface to the other is the height direction.
  • the direction from one of the left and right sides to the other is the width direction.
  • the direction from one of the front surface and the rear surface to the other is the thickness direction.
  • the upper surface, lower surface, side surface, front surface and rear surface are not limited to flat surfaces, and at least a part thereof may be bent.
  • the present disclosure is not limited to the above-mentioned definitions of the height direction, the width direction, the thickness direction, and the like, and for example, the definitions of the width direction and the thickness direction may be reversed.
  • the charger is provided with a concave battery mounting portion for mounting or inserting the battery device, and in the charger, the direction in which the battery device is inserted is the mounting direction or the connection direction.
  • FIG. 1 is an overview perspective view of an example of a battery device 100 according to the present embodiment and a charger 200 to which the battery device 100 is mounted.
  • FIG. 1A shows a state before the battery device 100 is mounted on the charger 200
  • FIG. 1B shows a state where the battery device 100 is mounted on the charger 200.
  • FIG. 2 is a perspective view of the battery device 100 as viewed from the rear surface 12 side.
  • FIG. 3 is a partially enlarged view of the rear surface 12 on the mounting direction side of the battery device 100.
  • FIG. 4 is a partially enlarged view of the left side surface 13 on the mounting direction side of the battery device 100.
  • FIG. 5 is an enlarged perspective view of the charger 200.
  • the battery device 100 can be attached to the charger 200, and the battery device 100 can be charged from the charger 200 in a state of being attached to the charger 200.
  • the battery device 100 is removed from the electronic device 300 (see FIG. 6) in advance, and the removed battery device 100 is attached to the charger 200.
  • the battery device 100 receives electric power from the charger 200 in a state of being mounted on the charger 200, and charges an internal secondary battery (battery) with the received electric power.
  • the battery device 100 includes a substantially box-shaped housing (battery housing) 101, a battery built in the battery housing 101 (not shown), and a connection terminal 23 that can be connected to an electrode terminal of the charger 200. Includes a terminal portion 27 (see FIG. 2) having the above.
  • the battery housing 101 is made of a dielectric such as plastic as an example.
  • the battery has a configuration in which a plurality of secondary batteries are connected in series, in parallel, or in series and parallel.
  • the battery device 100 is configured as a battery pack containing a battery.
  • the battery housing 101 has a front surface 11, a rear surface 12, a left side surface 13, a right side surface 14, an upper surface 15, and a lower surface 16 as a plurality of exterior surfaces.
  • the left side surface 13 and the right side surface 14 are provided between the upper surface 15 and the lower surface 16 and face each other.
  • the front surface 11 and the rear surface 12 are provided between the upper surface 15 and the lower surface 16 and face each other.
  • One of the first exterior surface and the second exterior surface corresponds to the upper surface 15, and the other corresponds to the lower surface 16.
  • One of the third exterior surface and the fourth exterior surface corresponds to the front surface 11, and the other corresponds to the rear surface 12.
  • One of the fifth exterior surface and the sixth exterior surface corresponds to the left side surface 13, and the other corresponds to the right side surface 14.
  • the XYZ coordinate system is shown in the figure, and the direction parallel to the X axis corresponds to the width direction, the direction parallel to the Y axis corresponds to the thickness direction, and the direction parallel to the Z axis corresponds to the height direction.
  • the positive direction of the Z axis corresponds to the mounting direction (or connection direction) of the battery device 100
  • the negative direction of the Z axis corresponds to the disconnection direction of the battery device 100.
  • the rear surface 12 of the battery housing 101 is provided with an arrangement recess 21 opened in the mounting direction.
  • the placement recess 21 is provided at the end of the rear surface 12 in the mounting direction.
  • the placement recess 21 is a recess for arranging or accommodating the terminal portion 27.
  • the placement recess 21 has an opening 22 that opens in the mounting direction.
  • a terminal portion 27 is provided in the arrangement recess 21.
  • the terminal portion 27 has a concave shape that allows the electrode terminals of the charger 200 to be sandwiched from both sides, and includes a connection terminal 23 that can be electrically connected to the electrode terminals.
  • the connection terminal 23 has, for example, a positive electrode terminal, a negative electrode terminal, and an information terminal. However, the connection terminal 23 may not have an information terminal.
  • the convex electrode terminal 53 in the terminal portion 52 of the charger 200 is press-fitted into the concave portion of the connection terminal 23, whereby the connection terminal 23 and the electrode terminal 53 are press-fitted. Fits.
  • the terminal portion 27 and the terminal portion 52 are coupled, and the connection terminal 23 and the electrode terminal 53 are electrically connected.
  • the positive electrode terminal of the connection terminal 23 is electrically connected to the positive electrode terminal of the electrode terminal 53
  • the negative electrode terminal is electrically connected to the negative electrode terminal of the electrode terminal 53, and is an information terminal. Is electrically connected to the information terminal of the electrode terminal 53.
  • Recesses 28A and 28B are provided at both ends of the terminal portion 27 in the X-axis direction, and convex portions 58A and 58B (see FIG. 5) at both ends of the terminal portion 52 of the charger 200 are inserted into the recesses 28A and 28B. It has become so. This makes it possible to further stabilize the connection state between the electrode terminal 53 and the connection terminal 23, or the connection state between the terminal portion 27 of the battery device 100 and the terminal portion 52 of the charger 200.
  • the battery device 100 can receive electric power from the charger 200 via the positive electrode terminal and the negative electrode terminal in a state of being mounted on the charger 200, and also transmits / receives information to / from the charger 200 via the information terminal. It is possible. As an example of transmitting and receiving information, the battery device 100 transmits information indicating the state of the battery, for example, information indicating the state of charge (StateOfCharge) to the charger 200. Further, the battery device 100 may transmit or receive control information regarding charging with the charger 200. Examples of control information include information indicating the start or end of charging, information indicating a charging voltage value, information indicating a charging current value, and the like.
  • the rear surface 12 of the battery device 100 is provided with a plurality of (two in this example) guide recesses 24A and 24B (first guide recesses) opened in the mounting direction.
  • the guide recesses 24A and 24B are provided at positions separated from both sides of the placement recess 21 in a direction parallel to the X-axis.
  • the guide recesses 24A and 25B have openings 26A and 26B that are open in the mounting direction. It is not excluded that the guide recesses 24A and 24B are provided on one side of the placement recess 21 instead of on both sides.
  • the number of the first guide recesses may be 3 or more, or may be 1.
  • the guide recesses 24A and 24B have a shape extending in a direction parallel to the mounting direction of the battery device 100.
  • a plurality of guide protrusions 54A and 54B (first guide protrusions) (see FIG. 1) in the charger 200 can be inserted or slidable. Further, the opening areas of the openings 26A and 26B are widened in the mounting direction (Z-axis direction) of the battery device 100. As a result, the openings 26A and 26B function as a barker when aligning with the battery device 100. Therefore, the guide recesses 24A and 24B function as a positioning slit with a call in the width direction (direction parallel to the X axis).
  • the guide protrusions 54A, 54B see FIG. 1 or FIG.
  • the opening areas of both the opening 26A and the opening 26B are widened in the mounting direction, but only the opening area of either the opening 26A or the opening 26B is widened in the mounting direction of the battery device 100. May be.
  • the left side surface 13 of the battery device 100 is provided with a guide recess 31 (second guide recess) opened in the mounting direction of the battery device 100.
  • the guide recess 31 is provided at the end of the left side surface 13 in the mounting direction of the battery device 100.
  • the guide recess 31 has an opening 32 that opens in the mounting direction of the battery device 100.
  • the guide recess 31 has a shape extending in a direction parallel to the mounting direction of the battery device 100.
  • the right side surface 14 of the battery device 100 facing the left side surface 13 has the same structure as the left side surface 13.
  • a guide recess 41 (third guide recess) opened in the mounting direction of the battery device 100 is provided on the right side surface 14 of the battery device 100.
  • the guide recess 41 is provided at the end of the right side surface 14 in the mounting direction.
  • the guide recess 41 has an opening 42 that opens in the mounting direction.
  • the guide recess 41 has a shape extending in a direction parallel to the mounting direction of the battery device 100.
  • the structure of the left side surface 13 and the structure of the right side surface 14 are symmetrical with respect to a line (central axis) passing through the center of the battery device 100 along the Z-axis direction as an example.
  • the guide concave portions 31 and the guide concave portions 41 on both side surfaces of the battery device 100 can be inserted or slidable into the guide convex portion 55 (second guide convex portion) and the guide convex portion 56 (third guide convex portion) of the charger 200. It has become. Further, the opening areas of the openings 32 and 42 are widened in the mounting direction of the battery device 100. As a result, the openings 32 and 42 function as a barker when the battery device 100 is mounted. Therefore, the guide recess 31 and the guide recess 41 function as a positioning slit with a barker in the direction parallel to the Y axis (thickness direction).
  • the guide protrusions 55 and 56 of the charger 200 are aligned with the openings 32 and 42 of the battery device 100 and then inserted into the guide recesses 31 and 41 following the openings 32 and 42.
  • the opening areas of both the openings 32 and 42B are widened in the mounting direction of the battery device 100, but only the opening area of either one of the openings 32 and 42B is in the mounting direction of the battery device 100. It may be spread.
  • the charger 200 includes a battery mounting portion 51 for mounting or connecting the battery device 100.
  • the battery mounting portion 51 has a mounting recess 51A which is a recess for mounting or accommodating the battery device 100.
  • the charger 200 is connected to an external power source (not shown) via a cable or the like, and the battery device 100 mounted on the charger 200 can be charged by the electric power supplied from the external power source.
  • the charger 200 includes a power supply circuit (not shown) that receives electric power from an external power source inside the housing (base) 61.
  • the external power source that supplies electric power to the charger 200 may be a commercial power source or a power storage device. When the external power source is a power storage device, the power storage device may be built in the housing 61 of the charger 200.
  • the external power supply may be an AC power supply or a DC power supply.
  • the power supply circuit of the charger 200 converts the AC voltage supplied from the AC power supply into a DC voltage matching the rated value of the battery device 100, and charges the battery device 100 with the converted DC voltage.
  • the housing 61 of the charger 200 is made of a dielectric material such as plastic as an example.
  • the housing 61 has a mounting surface 61A, which is the surface of the base of the housing 61, and a back surface portion 64, a right side portion 63, and a left side portion 62 surrounding the mounting surface 61A.
  • the left side portion 62, the right side portion 63, and the back surface portion 64 project upward (Z-axis negative direction).
  • the mounting recess 51A is formed by a mounting surface 61A and a first surface, a second surface, and a third surface that at least partially surround the mounting surface 61A.
  • the first surface corresponds to the Y-axis negative side surface of the back surface portion 64
  • the second surface corresponds to the X-axis direction side surface of the right side portion 63
  • the third surface corresponds to the left side portion.
  • the first surface is provided between the second surface and the third surface.
  • the mounting recess 51A has an opening for accommodating the battery device 100 inserted in a direction parallel to the height direction (direction parallel to the Z-axis direction).
  • the mounting surface 61A of the base 61 is provided with a terminal portion 52 having an electrode terminal 53 that can be connected to the connection terminal 23 of the battery device 100.
  • the terminal portion 52 is provided near the center of the end portion on the back surface portion 64 side of the mounting surface 61A.
  • the surface of the terminal portion 52 on the back surface portion 64 side is coupled to the back surface portion 64, and therefore, the terminal portion 52 is integrally formed so as to straddle both the mounting surface 61A and the back surface portion 64.
  • the terminal portion 52 may be separated from either the back surface portion 64 or the mounting surface 61A.
  • the terminal portion 52 has a convex electrode terminal 53.
  • the electrode terminal 53 includes a positive electrode terminal, a negative electrode terminal, and an information terminal as an example.
  • the electrode terminal 53 may not include the information terminal.
  • the electrode terminal 53 is press-fitted into the concave connection terminal 23 of the battery device 100, the electrode terminal 53 is fitted with the connection terminal 23, and the connection terminal 23 is electrically connected to the electrode terminal 53.
  • the convex portions 58A and 58B are provided at both ends of the terminal portion 52, and when the battery device 100 is mounted, the convex portions 58A and 58B are the concave portions 28A at both ends of the terminal portion 27 of the battery device 100. It can be inserted (fitted) into 28B.
  • connection terminal 23 and the electrode terminal 53 This makes it possible to further stabilize the connection state between the connection terminal 23 and the electrode terminal 53, or the connection state between the terminal portion 27 of the battery device 100 and the terminal portion 52 of the charger 200. It is also possible to omit the convex portions 58A and 58B at both ends of the terminal portion 52 and the concave portions 28A and 28B at both ends of the terminal portion 27.
  • a plurality of (two in this example) guide convex portions 54A and 54B are provided on the back surface portion 64 of the base 61.
  • the longitudinal direction of the guide protrusions 54A and 54B corresponds to the connection direction of the battery device 100. That is, the guide protrusions 54A and 54B have a substantially square shape extending linearly in a direction parallel to the Z axis.
  • the guide protrusions 54A and 54B are provided at positions separated from both sides of the terminal portion 52 in a direction parallel to the X-axis direction.
  • the lower surfaces of the guide convex portions 54A and 54B in the Z-axis direction are coupled to the mounting surface 61A, and the guide convex portions 54A and 54B are integrally formed so as to straddle both the mounting surface 61A and the back surface portion 64.
  • the guide protrusions 54A and 54B may be separated from either the mounting surface 61A or the back surface 64.
  • the length of the guide protrusions 54A and 54B in the width direction (X-axis direction) is equal to or less than the length of the guide recesses 24A and 24B in the X-axis direction.
  • the guide protrusions 54A and 54B can be inserted (sliding) into the guide recesses 24A and 24B via the openings 26A and 26B of the battery device 100.
  • a guide convex portion 55 (second guide convex portion) and a guide convex portion 56 (third guide convex portion) are provided on the left side portion 62 and the right side portion 63 of the base 61, respectively.
  • the longitudinal direction of the guide protrusions 55, 56 corresponds to the connection direction of the battery device 100.
  • the guide protrusions 55 and 56 have a substantially square shape extending linearly in a direction parallel to the Z axis.
  • the length (height) of the guide protrusions 55 and 56 is longer than the guide protrusions 54A and 54B on both sides of the terminal portion 52.
  • the guide convex portion 55 and the guide convex portion 56 are provided at positions separated from the guide convex portions 54A and 54B and the terminal portion 52 in the negative direction of the Y axis. Further, the guide convex portion 55 and the guide convex portion 56 are located outside the guide convex portions 54B and 54A in the width direction (direction parallel to the X axis) of the battery device 100.
  • the guide convex portion 55 and the guide convex portion 56 face each other in the width direction of the battery device 100 (as an example, the Y-axis coordinates are the same). However, the guide convex portion 55 and the guide convex portion 56 may be configured not to face each other in the width direction of the battery device 100 (for example, the Y-axis coordinates are different).
  • the lower surface of the guide convex portion 55 in the Z-axis direction is coupled to the mounting surface 61A, and therefore the guide convex portion 55 is integrally formed across both the left side portion 62 and the mounting surface 61A.
  • the lower surface of the guide convex portion 56 in the Z-axis direction is coupled to the mounting surface 61A, and therefore the guide convex portion 56 is integrally formed so as to straddle both the right side portion 63 and the mounting surface 61A.
  • the guide convex portion 55 may be configured to be separated from either the left side portion 62 or the mounting surface 61A.
  • the guide convex portion 56 can be configured to be separated from either the right side portion 63 or the mounting surface 61A.
  • the length of the guide convex portion 55 in the Y-axis direction is equal to or less than the length of the guide concave portion 31 of the battery device 100 in the Y-axis direction. As a result, the guide convex portion 55 can be inserted (sliding) into the guide concave portion 31 via the opening 32 of the battery device 100.
  • the length of the guide convex portion 56 in the Y-axis direction is equal to or less than the length of the guide concave portion 41 of the right side surface 14 of the battery device 100 in the Y-axis direction. As a result, the guide convex portion 56 can be inserted (sliding) into the guide concave portion 41 via the opening 42 of the battery device 100.
  • FIGS. 1 and 2 An example of a procedure for mounting the battery device 100 on the charger 200 will be described with reference to FIGS. 1 and 2.
  • the user causes the lower surface 16 of the battery device 100 to face the mounting surface 61A of the battery mounting portion 51 of the charger 200.
  • the user moves the battery device 100 in the mounting direction or the connecting direction while aligning the battery device 100 with the charger 200 in the width direction and the thickness direction.
  • the openings 32, 42 on both sides of the battery device 100 are called for positioning in the thickness direction (direction parallel to the Y axis), and the guide convex portion 55 of the charger 200 is used. , 56 is used for positioning in the thickness direction.
  • the user slides the battery device 100 slightly in the mounting direction, and then the openings 26A and 26B call for positioning in the width direction (direction parallel to the X-axis) of the charger 200. Positioning in the width direction is performed via the guide protrusions 54A and 54B. In this way, alignment in the thickness direction and the width direction is easily performed.
  • the user further slides the battery device 100 in the mounting direction. That is, the guide protrusions 55 and 56 of the charger 200 are slid by the guide recesses 31 and 41 of the battery device 100, and the guide protrusions 54A and 54B of the charger 200 are slid by the guide recesses 24A and 24B of the battery device 100.
  • the electrode terminal 53 of the charger 200 comes into contact with the concave opening of the connection terminal 23, the user applies a stronger force in the mounting direction to press-fit the electrode terminal 53 into the concave opening of the connection terminal 23. ..
  • the electrode terminal 53 is fitted to the connection terminal 23, and the connection terminal 23 is electrically connected to the electrode terminal 53.
  • the position of the battery device 100 is fixed, and the mounting of the battery device 100 is completed. This state corresponds to the state shown in FIG. 1 (B).
  • the procedure opposite to the mounting procedure may be performed. That is, the user pulls the battery device 100 in the direction opposite to the mounting direction (or the connection direction) (Z-axis negative direction), and detaches the connection terminal 23 from the terminal portion 52 of the charger 200. This allows the user to remove the battery device 100 from the charger 200.
  • FIG. 6 is a block diagram of the electronic device 300 according to the present embodiment.
  • FIG. 7 is an overview perspective view showing the battery mounting portion 91 of the electronic device 300 of FIG.
  • FIG. 8 is an external perspective view showing how the battery device 100 is mounted on the battery mounting portion 91 of the electronic device.
  • FIG. 8A shows a state in which the mounting is in progress
  • FIG. 8B shows a state in which the mounting is completed.
  • the electronic device 300 shown in FIG. 6 is a drone, a robot, a moving object such as an AGV (Automatic Guided Vehicle), or an image pickup device such as a still camera or a video camera.
  • the electronic device 300 includes a battery mounting unit 91 for mounting the battery device 100.
  • the battery device 100 can supply electric power to the electronic device 300 by discharging the electric power of the battery while being attached to the battery mounting portion 91 of the electronic device 300.
  • the battery device 100 is removed from the charger 200 in advance, and the removed battery device 100 is mounted on the battery mounting portion 91 of the electronic device.
  • the battery device 100 discharges the electric power of the battery while being attached to the battery mounting unit 91, and supplies the electric power to the electronic device 300.
  • the battery mounting portion 91 of the electronic device has a configuration similar to that of the battery mounting portion 51 of the charger 200, but has a configuration corresponding to the guide protrusions 54A and 54B of the charger 200 because it does not perform positioning in the width direction. Do not.
  • Other configurations are basically the same as the battery mounting portion 51 of the charger, except for the configuration due to the role of the charger 200 and the electronic device. More details are as follows.
  • the battery mounting portion 91 of the electronic device has a mounting recess 91A which is a recess for mounting or accommodating the battery device 100.
  • the battery mounting unit 91 is connected to a power supply circuit (not shown) of an electronic device via wiring or the like, and is configured to be able to supply electric power (for example, DC power) supplied from the battery device 100 to the electronic device.
  • the housing of the battery mounting portion 91 is made of a dielectric material such as plastic as an example.
  • the battery mounting portion 91 has a mounting portion (base) 74 for mounting the battery device 100.
  • the surface of the mounting portion (base) 74 on the negative side of the Z axis corresponds to the mounting surface 74A.
  • a left side portion 72, a right side portion 73, and a back surface portion 86 that at least partially surround the mounting portion 74 are provided.
  • the left side portion 72 and the right side portion 73 project in the negative direction of the Y axis with respect to the mounting portion 74, and the back surface portion 86 protrudes in the negative direction of the Z axis with respect to the mounting portion 74.
  • the mounting recess 91A of the battery mounting portion 91 is formed by a mounting surface 74A and a first surface, a second surface, and a third surface that at least partially surround the mounting surface 74A.
  • the first surface corresponds to the inner surface of the back surface portion 86 (the surface on the negative direction side of the Y axis)
  • the second surface corresponds to the inner surface surface of the left side portion 72 (the surface on the negative direction side of the X axis).
  • the third surface corresponds to the inner surface (the surface on the X-axis direction side) of the right side portion 73.
  • the first surface is provided between the second surface and the third surface.
  • the mounting portion 74, the left side portion 72, the right side portion 73, and the back surface portion 86 form an opening for accommodating the battery device 100 to be inserted in the height direction (direction parallel to the Z-axis direction).
  • the terminal portion 82 has a convex electrode terminal 83 that can be connected to the connection terminal of the battery device 100.
  • the electrode terminal 83 includes a positive electrode terminal, a negative electrode terminal, and an information terminal as an example.
  • the electrode terminal 83 may not include the information terminal.
  • the electrode terminal 83 is press-fitted into the concave connection terminal 23 of the battery device 100, the electrode terminal 83 is electrically connected to the connection terminal 23.
  • Convex portions 88A and 88B are provided at both ends of the terminal portion 82, and when the battery device 100 is attached, the convex portions 88A and 88B are inserted into the concave portions 28A and 28B at both ends of the terminal portion 27 of the battery device 100. It has become like.
  • the guide convex portion 76 has a substantially square shape extending linearly in a direction parallel to the Z axis.
  • the guide protrusions 75 and 76 are formed at a constant height in the negative direction of the Y axis from the inner side surface of the back surface 86, respectively.
  • the width of the guide convex portion 75 in the Y-axis direction is equal to or less than the width of the guide concave portion 31 of the battery device 100 in the Y-axis direction.
  • the width of the guide protrusion 76 in the Y-axis direction is equal to or less than the width of the guide recess 41 of the battery device 100 in the Y-axis direction.
  • the guide convex portion 75 and the guide convex portion 76 face each other in the width direction (direction parallel to the X axis) of the battery device 100.
  • the height of the guide convex portion 75 from the inner surface of the back surface portion 86 and the height of the guide convex portion 76 are the same, but are not limited to this.
  • the user faces the lower surface 16 of the battery device 100 toward the mounting surface 74A and the rear surface 12 facing the back surface 86.
  • the user takes the openings 32 and 42 of the battery device 100 as a call, and positions the battery device 100 with respect to the guide convex portion 75 and the guide convex portion 76 in the thickness direction (direction parallel to the Y axis). Match.
  • the user moves the battery device 100 in the mounting direction while sliding the guide concave portions 31 and 41 of the battery device 100 on the guide convex portions 75 and the guide convex portions 76 (see FIG. 8A).
  • the electrode terminal 83 of the battery mounting portion 91 comes into contact with the concave opening portion of the connection terminal 23 of the battery device 100, the user applies a stronger force in the mounting direction to the concave opening portion of the connection terminal 23.
  • the electrode terminal 83 of the battery mounting portion 91 is press-fitted.
  • the connection terminal 23 and the electrode terminal 83 are fitted, and the connection terminal 23 is electrically connected to the electrode terminal 83.
  • the position of the battery device 100 is fixed, and the mounting of the battery device 100 is completed. This state corresponds to the state shown in FIG. 8 (B).
  • the procedure reverse to the mounting may be performed. That is, the user pulls the battery device 100 in the direction opposite to the mounting direction (Z-axis negative direction), and detaches the connection terminal 23 from the terminal portion 82 of the battery mounting portion 91. This allows the user to remove the battery device 100 from the charger 200.
  • the battery mounting portion 91 of the electronic device is not provided with the convex portions corresponding to the guide recesses 24A and 24B of the battery device 100, and the width direction (X-axis) of the battery device 100 is not provided. Positioning in the direction parallel to) was not performed. However, convex portions corresponding to the guide recesses 24A and 24B of the battery device 100 are provided on both sides of the terminal portion 82 of the battery mounting portion 91, and the alignment of the battery device 100 in the width direction (direction parallel to the X axis) is also performed. You may.
  • the length (height) of the guide protrusions 55 and 56 in the longitudinal direction of the charger 200 is longer than that of the guide protrusions 54A and 54B, but the guide protrusions 54A and 54B are formed in the longitudinal direction. It is also possible to have a structure in which the length of the guide protrusions is longer than the guide protrusions 55 and 56. Thereby, when the battery device 100 is attached to the charger 200, the positioning of the battery device 100 in the width direction can be performed before the positioning of the battery device 100 in the thickness direction.
  • the concave portion and the convex portion may be reversed between the battery device 100 and the charger 200.
  • the guide protrusions 54A and 54B of the charger 200 may be replaced with concave portions
  • the guide concave portions 24A and 24B of the battery device 100 may be replaced with convex portions.
  • the guide protrusions 55 and 56 of the charger 200 may be replaced with concave portions
  • the guide concave portions 31 and 41 of the battery device 100 may be replaced with convex portions.
  • the transmission of electric power between the battery device 100 and the charger 200 may be defined as wireless power transmission.
  • the connection terminal 23 of the battery device 100 and the electrode terminal 53 of the charger 200 are unnecessary.
  • the terminal portion 27 of the battery device 100 may be replaced with a wireless power transmission unit (wireless power receiving unit), and the terminal unit 52 of the charger 200 may be replaced with a wireless power transmission unit (wireless power transmitting unit).
  • the wireless power receiving unit and the wireless power transmission unit can be configured by a resonator including a coil and a capacitor, respectively, as an example.
  • the wireless power receiving unit may be stored in the housing of the battery device 100, or may be arranged in the arrangement recess 21.
  • the wireless power transmission unit may be stored in the base 61 of the charger 200, or may be arranged at the same position as the terminal unit 52 in FIG. Similarly, the power transmission between the battery device 100 and the electronic device 300 may be wireless power transmission.
  • the present disclosure may also have the following structure.
  • [Item 1] A first exterior surface, a second exterior surface facing the first exterior surface, and a third exterior surface and a fourth exterior surface provided between the first exterior surface and the second exterior surface and facing each other.
  • a housing provided between the first exterior surface and the second exterior surface and having a fifth exterior surface and a sixth exterior surface facing each other.
  • a terminal part having a connection terminal connected to the electrode terminal of the connected device, An arrangement recess provided on one of the third exterior surface and the fourth exterior surface, opened in the connection direction between the connection terminal and the electrode terminal, and the terminal portion is arranged.
  • Battery device with. [Item 2] The battery device according to item 1, wherein at least one of the opening area of the second guide recess and the opening area of the third guide recess increases in the connection direction.
  • [Item 4] The battery device according to any one of items 1 to 3, wherein the plurality of first guide recesses are provided on both sides of the placement recess.
  • [Item 5] The battery device according to any one of items 1 to 4, wherein the connected device is a charger.
  • It has a mounting surface on which the battery device is mounted, and a first surface, a second surface, and a third surface that at least partially surrounds the mounting surface, and the first surface is the second surface and the third surface. With the mounting recess provided between A terminal portion provided on the mounting surface and having an electrode terminal that can be connected to the connection terminal of the battery device.
  • a plurality of first guide convex portions provided on the first surface and whose longitudinal direction corresponds to the connection direction of the electrode terminal and the connection terminal, A second guide convex portion provided on the second surface and having a longitudinal direction corresponding to the connection direction, and a third guide convex portion provided on the third surface and having a longitudinal direction corresponding to the connection direction.
  • Item 7 Item 6. The charger according to item 6, wherein the plurality of first guide convex portions are provided on both sides of the terminal portion.
  • the length of the second guide convex portion and the third guide convex portion in the longitudinal direction is longer than the length of the plurality of first guide convex portions in the longitudinal direction.
  • An electronic device having a battery mounting part to which a battery device can be mounted.
  • the battery mounting part is It has a mounting surface for mounting the battery device, a first surface, a second surface, and a third surface that at least partially surrounds the mounting surface, and the first surface includes the second surface and the third surface.
  • a terminal portion provided on the mounting surface along the first surface and having an electrode terminal that can be connected to a connection terminal of the battery device, and a terminal portion.
  • a first guide convex portion provided on the second surface and having a longitudinal direction corresponding to a connection direction between the connection terminal and the electrode terminal
  • An electronic device provided on the third surface and provided with a second guide convex portion having a longitudinal direction corresponding to the connection direction.
  • Item 9 Item 9. The electronic device according to item 9, wherein the electronic device is a mobile body.
  • the moving object is a drone.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Computer Hardware Design (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
PCT/JP2021/045478 2021-01-08 2021-12-10 バッテリ装置、充電器及び電子機器 Ceased WO2022149407A1 (ja)

Priority Applications (2)

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JP2022573961A JPWO2022149407A1 (enExample) 2021-01-08 2021-12-10
US18/256,928 US20240305117A1 (en) 2021-01-08 2021-12-10 Battery apparatus, charger, and electronic equipment

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JP2021-002108 2021-01-08
JP2021002108 2021-01-08

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018129281A (ja) * 2017-02-10 2018-08-16 ソニー株式会社 バッテリー及び接続機器
WO2019130880A1 (ja) * 2017-12-28 2019-07-04 Ｎｅｃエナジーデバイス株式会社 電池システム及び保持体

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018129281A (ja) * 2017-02-10 2018-08-16 ソニー株式会社 バッテリー及び接続機器
WO2019130880A1 (ja) * 2017-12-28 2019-07-04 Ｎｅｃエナジーデバイス株式会社 電池システム及び保持体

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