WO2023021912A1 - 蓄電パック、携帯端末装置および無線通信プログラム - Google Patents
蓄電パック、携帯端末装置および無線通信プログラム Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
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- G06F21/60—Protecting data
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
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- H—ELECTRICITY
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- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present disclosure relates to an electricity storage pack, a mobile terminal device, and a wireless communication program detachably attachable to an electric vehicle.
- a power-assisted bicycle uses a detachable portable battery pack.
- a system has been developed in which a wireless communication function is installed in the battery pack and the electrically power assisted bicycle, and control signals are transmitted wirelessly.
- a system has been developed in which a battery pack equipped with a wireless communication function is wirelessly connected to a mobile terminal device such as a smartphone as a monitoring device, and the battery pack is monitored and controlled from an external mobile terminal device.
- an authentication code is displayed on the battery pack, the authentication code is entered into the mobile terminal device, and the device is connected to the device. authentication.
- mounting a display capable of displaying a multi-digit authentication code on the battery pack increases the cost.
- the authentication code indicated by the barcode or QR code will be a fixed value unless the sticker is replaced.
- the security level is low compared to the operation of generating a new authentication code every time an authentication code is issued.
- the state in which a sticker printed with a bar code or QR code is attached to the battery pack 10 means that the authentication code information is always exposed to the outside.
- the present disclosure has been made in view of this situation, and its purpose is to provide a technology that enhances the security of pairing processing between an electricity storage pack and a mobile terminal device.
- an electricity storage pack includes an electricity storage unit for supplying power to an electric vehicle, a wireless communication unit for executing short-range wireless communication, and a mobile terminal device. a notification unit that temporarily notifies a user of the mobile terminal device of an authentication code used in processing for exchanging an encryption key used in long-distance wireless communication.
- the security of the pairing process between the power storage pack and the mobile terminal device can be enhanced.
- FIG. 1 is a diagram showing an overall configuration of a battery pack management service according to an embodiment
- FIG. FIG. 4 is a diagram for explaining an outline of authentication processing for a battery pack attached to a vehicle;
- FIG. It is a figure which shows the structural example of the battery pack and portable terminal device which concern on embodiment.
- FIG. 4 is a diagram for explaining pairing processing between a battery pack and a mobile terminal device according to an embodiment;
- FIG. 4 is a diagram for explaining a first embodiment of authentication code notification using a display;
- FIG. 6A is a diagram for explaining a second embodiment of authentication code notification using a display.
- FIG. 6B is a diagram for explaining a second embodiment of authentication code notification using a display.
- FIG. 1 is a diagram showing the overall configuration of the management service for the battery pack 10 according to the embodiment.
- the battery pack 10 is a detachable, portable and replaceable battery pack, and can be mounted in a mounting slot of a vehicle 20 or a charger (not shown).
- the vehicle 20 is assumed to be an electrically assisted bicycle.
- the battery pack 10 is equipped with a wireless communication function, and the control signal is transmitted by wireless communication. As a result, terminals for communication lines can be eliminated from the connector of the battery pack 10, and only terminals for power lines can be provided.
- Near field wireless communication is used for wireless communication between the vehicle 20 and the battery pack 10 .
- Bluetooth registered trademark
- Wi-Fi registered trademark
- infrared communication etc.
- BLE Bluetooth Low Energy
- BLE is one of the extended standards of Bluetooth, and is a low-power, short-range wireless communication standard that uses the 2.4 GHz band. Since BLE has low power consumption to the extent that it can be driven for several years with a single button battery, it is suitable for battery driving and can minimize the impact on the remaining capacity of the battery pack 10 . Moreover, since many modules for BLE communication are shipped to the market, they can be obtained at low cost.
- BLE has a high affinity with smartphones and can provide various services linked with smartphones.
- battery pack 10 and mobile terminal device 30 owned by the user are connected by short-range wireless communication.
- a smart phone, a smart watch, a tablet, a small notebook PC, a portable game machine, or the like can be used as the mobile terminal device 30 .
- a smart phone is assumed as the mobile terminal device 30, and it is assumed that the battery pack 10 and the smart phone are connected by BLE.
- the battery pack management system 3 is a system that collectively manages the states of a plurality of battery packs 10 .
- the battery pack management system 3 is constructed, for example, on a company server installed in the battery manufacturer's company facility or data center, or on a cloud server used based on a cloud service contract. It should be noted that the battery pack management system 3 may be constructed not by a battery manufacturer but by a management entity that provides a rental service or sharing service for electrically assisted bicycles.
- the battery pack management system 3 and the mobile terminal device 30 are connected to the network 2.
- the network 2 is a general term for communication paths such as the Internet, leased lines, and VPNs (Virtual Private Networks), and any communication medium or protocol can be used.
- communication media for example, a mobile phone network (cellular network), wireless LAN, wired LAN, optical fiber network, ADSL network, CATV network, etc. can be used.
- As a communication protocol for example, TCP (Transmission Control Protocol)/IP (Internet Protocol), UDP (User Datagram Protocol)/IP, Ethernet (registered trademark), or the like can be used.
- the mobile terminal device 30 connects to the network 2 via a 4G/5G mobile phone network base station or a Wi-Fi access point.
- the battery pack management system 3 connects to the network 2 via a router.
- the battery pack 10 can indirectly connect to devices on the Internet by connecting to the mobile terminal device 30 by short-range wireless communication.
- the battery pack management system 3 manages, as basic information, identification information (pack ID) of each battery pack 10, manufacturing date, owner information (name, address, telephone number, e-mail address, etc.), and warranty details.
- the owner and manager may differ.
- the battery pack management system 3 also manages administrator information.
- the battery pack management system 3 can also manage user information of users who are currently renting and using an electrically assisted bicycle.
- the battery pack management system 3 can acquire status information indicating the current state of each battery pack 10 paired with each mobile terminal device 30 via each user's mobile terminal device 30 .
- the SOH State Of Health
- battery pack management system 3 can send an email prompting the owner or administrator to replace battery pack 10 .
- the battery pack management system 3 can also acquire the current location information of the battery pack 10 via the mobile terminal device 30 .
- GPS (Global Positioning System) information of the paired mobile terminal device 30 can be used as the current location information of the battery pack 10 .
- the battery pack management system 3 can notify the mobile terminal device 30 of the user currently using the power-assisted bicycle of the return location of the power-assisted bicycle.
- BLE's radio coverage range is about 10m when using a general class 2 device. Therefore, a situation may occur in which multiple vehicles 20a and 20b and multiple battery packs 10a and 10b exist within one BLE communication range. In that case, radio wave interference occurs between vehicle systems, and the operation may become unstable.
- the vehicle 20 may be erroneously connected to an adjacent battery pack 10 that is not attached to the vehicle 20, and in this case, the battery pack 10 that is not attached may be erroneously controlled.
- identification information is used to confirm the identity of battery pack 10 physically connected to vehicle 20 by wire and battery pack 10 connected to vehicle 20 by wireless communication.
- This identification information (ID) may be identification information unique to each battery pack 10, or may be temporal identification information.
- unique identification information for example, a BD (Bluetooth Device) address or a MAC (Medium Access Control) address may be used.
- FIG. 2 is a diagram for explaining an overview of authentication processing for the battery pack 10 attached to the vehicle 20.
- the battery pack 10 transmits ID1 via wire.
- the battery pack 10 transmits an advertisement packet (beacon packet) including ID1 by short-range wireless communication.
- the advertisement packet is a signal for notifying the surroundings of its own existence by short-range wireless communication.
- the vehicle 20 Upon receiving the advertising packet, the vehicle 20 collates the ID1 included in the advertising packet with the ID1 received via wire. If the two match, vehicle 20 authenticates that battery pack 10 attached thereto is the same as the communication partner of short-range wireless communication. If the two do not match, vehicle 20 determines that attached battery pack 10 and the communication partner of short-range wireless communication are not the same, and does not authenticate battery pack 10 of the communication partner. For example, when an advertising packet containing ID2 is received, it does not match the ID1 received via wire, so the battery pack 10 to which the advertising packet containing ID2 is transmitted is not authenticated.
- BLE encryption keys for encrypting data are exchanged between the central and peripherals.
- this encryption key exchange process is called a pairing process.
- Passkey Entry and Just Works are the main pairing methods of BLE.
- Passkey Entry displays a 6-digit authentication code (also called passkey, passcode, PIN code, PIN number, password, authentication number, etc.) on one of the central and peripheral, and the displayed By entering an authentication code, it is a method of authenticating whether it is a correct pairing partner.
- the encryption key exchanged has confidentiality and is protected from a man-in-the-middle attack (MITM attack).
- MITM attack man-in-the-middle attack
- Just Works is a method that permits pairing connections without authentication or with a fixed operation of the authentication code "000000".
- the cryptographic keys exchanged have no confidentiality and are not protected from man-in-the-middle attacks. Therefore, with Just Works, there is a risk of unauthorized system intrusion, unauthorized control, or hijacking.
- a pairing method such as Passkey Entry that ensures the confidentiality of exchanged encryption keys is adopted.
- a commonly used battery pack 10 is not equipped with a display capable of displaying an authentication code. Therefore, a mechanism for notifying the user of the mobile terminal device 30 of the authentication code from the battery pack 10 by another method is required.
- FIG. 3 is a diagram showing a configuration example of the battery pack 10 and the mobile terminal device 30 according to the embodiment.
- Battery pack 10 includes storage battery 11 , display 12 , operation button 13 , first control section 15 , first wireless communication section 16 and first antenna 17 .
- the storage battery 11 includes multiple cells connected in series or in series-parallel. Lithium-ion battery cells, nickel-hydrogen battery cells, lead-acid battery cells, and the like can be used for the cells. Hereinafter, an example using a lithium-ion battery cell (nominal voltage: 3.6-3.7V) will be assumed in this specification. The number of cells connected in series is determined according to the drive voltage of the motor of vehicle 20 .
- the display 12 and the operation button 13 constitute the user interface section of the battery pack 10 .
- the display 12 is a display for displaying the remaining amount of the storage battery 11 .
- the indicator 12 has a plurality of LED lamps whose lighting number changes according to the remaining amount of the storage battery 11 . By pressing the operation button 13, the user can cause the display 12 to display the remaining amount of the storage battery 11 as an indicator.
- the indicator 12 has five LED lamps.
- the remaining amount of the storage battery 11 is indicated by the number of lighting of five LED lamps. 40 to 20%, 20 to 10% with one lit, and 10 to 0% with one blink.
- the number of lamps and the light source of the indicator 12 can be arbitrarily selected by the designer.
- the first control unit 15 is a microcontroller that controls the battery pack 10 as a whole.
- the first control unit 15 monitors the state of the storage battery 11 (specifically, the voltage, current, and temperature of each cell included in the storage battery 11).
- the first control unit 15 estimates the SOC (State Of Charge), FCC (Full Charge Capacity), and SOH of each cell included in the storage battery 11 based on these monitoring data.
- the first control unit 15 turns off the power line switch (not shown) to protect the cells. .
- the first wireless communication unit 16 executes short-range wireless communication processing.
- the first wireless communication unit 16 is configured by a BLE module
- the first antenna 17 is configured by a chip antenna or pattern antenna built into the BLE module.
- the first wireless communication unit 16 outputs data received by short-range wireless communication to the first control unit 15, and transmits data input from the first control unit 15 by short-range wireless communication.
- the mobile terminal device 30 includes an imaging section 31 , a GPS receiving section 32 , an operation display section 33 , a second control section 35 , a second wireless communication section 36 and a second antenna 37 .
- the imaging unit 31 is a camera unit capable of capturing still images and moving images.
- the imaging unit 31 includes a lens, a solid-state imaging device, and a signal processing circuit.
- a CMOS (Complementary Metal Oxide Semiconductor) image sensor or a CCD (Charge Coupled Device) image sensor can be used as the solid-state imaging device.
- a solid-state imaging device converts light incident through a lens into an electrical video signal and outputs the signal to a signal processing circuit.
- the signal processing circuit performs signal processing such as A/D conversion and noise removal on the video signal input from the solid-state imaging device, and outputs the processed signal to the second control unit 35 .
- the GPS receiving unit 32 detects the location information of the mobile terminal device 30.
- the GPS receiving unit 32 receives radio waves including respective transmission times from a plurality of GPS satellites, and calculates the latitude and longitude of the receiving point based on a plurality of transmission times included in the plurality of received radio waves. .
- the GPS receiver 32 outputs the calculated latitude and longitude of the reception point to the second controller 35 as position information of the mobile terminal device 30 .
- the operation display unit 33 includes a touch panel display.
- a liquid crystal display, an organic EL display, a mini LED display, or the like can be used as the touch panel display.
- the operation display unit 33 may further include physical keys. Further, the operation display unit 33 may be configured by a combination of a display without a touch panel function and physical keys.
- the second control unit 35 is a controller that controls the mobile terminal device 30 as a whole.
- the second control unit 35 can be realized by cooperation of hardware resources and software resources, or only by hardware resources.
- hardware resources CPU, ROM, RAM, GPU (Graphics Processing Unit), DSP (Digital Signal Processor), ISP (Image Signal Processor), ASIC (Application Specific Integrated Circuit), FPGA (Field Computer), System on a Chip) and other LSIs can be used.
- Programs such as operating systems, middleware, and applications can be used as software resources.
- the second wireless communication unit 36 includes one or more communication modules compatible with multiple communication methods (eg, Bluetooth, Wi-Fi, 4G, 5G). For example, Bluetooth and Wi-Fi may be integrated into one communication module.
- the second antenna 37 corresponding to each communication method may be built in each communication module or may be externally attached.
- the user downloads an application program for managing the battery pack 10 (hereinafter referred to as a pack management application) from the distribution server to the mobile terminal device 30, and It must be installed in the device 30.
- a pack management application is previously uploaded to the distribution server, and the distribution server provides the pack management application it manages to the mobile terminal device 30 that has accessed via the network 2 .
- the mobile terminal device 30 may directly access the website managed by the battery pack management system 3 and download the pack management application.
- FIG. 4 is a diagram for explaining pairing processing between the battery pack 10 and the mobile terminal device 30 according to the embodiment.
- the first control unit 15 of the battery pack 10 switches the display 12 to the authentication code display mode.
- the user activates the pack management application of the mobile terminal device 30 and starts capturing a moving image using the imaging unit 31 with the display 12 of the battery pack 10 as the subject.
- the first control unit 15 generates an authentication code to be used for pairing processing, and changes the lighting state of the multiple LED lamps forming the display 12 based on the generated authentication code. At that time, the first control unit 15 sets a specific one LED lamp 12p among the plurality of LED lamps as a position guide. In the example shown in FIG. 4, among the five vertically arranged LED lamps, the lowermost (leftmost in the case of the orientation of the battery pack 10 shown in FIG. 3) LED lamp 12p is set as a position guide.
- the four LED lamps other than the position guide LED lamp 12p are notification LED lamps, and can display 4-bit information.
- the LED lamp next to the position guide LED lamp is the LED lamp that indicates the most significant bit
- the top (rightmost) LED lamp is the LED lamp that indicates the least significant bit. .
- the first control unit 15 causes the single LED lamp 12p set as the position guide to blink at high speed.
- the second control section 35 executing the pack management application identifies the position of the rapidly blinking position guide in each frame image input from the imaging section 31.
- the pack management application has a discriminator for the indicator 12 of the battery pack 10 generated by learning a large number of images of the indicator 12 of the battery pack 10 .
- the second control unit 35 searches for the display 12 in each frame image using the classifier of the display 12 . At that time, the second control unit 35 rotates or enlarges/reduces the predetermined area including the position guide, and inputs the feature amount of the predetermined area to the discriminator to discriminate the display device 12 in the frame image. .
- the second control unit 35 identifies the lighting states of the plurality of LED lamps forming the display 12 based on the image of the display 12 that is image-recognized in each frame image.
- FIG. 5 is a diagram for explaining a first embodiment of authentication code notification using the display device 12.
- the first control unit 15 first blinks the LED lamp 12p of the position guide at high speed for a predetermined period of time as a period for aligning the imaging unit 31 of the mobile terminal device 30.
- One of the notification LED lamps (top LED lamp in FIG. 5) is turned on.
- the first control unit 15 After the predetermined time for alignment has passed, the first control unit 15 lights all four notification LED lamps to notify the portable terminal device 30 that it is in the standby state. As a signal to start notification of the authentication code, the first control unit 15 turns off all the four notification LED lamps.
- the start of notification of the authentication code may be triggered by the lapse of a predetermined time after transition to the standby state, or may be triggered by the user pressing the operation button 13 in the standby state.
- the first control unit 15 changes the lighting state of the four notification LED lamps according to the authentication code to be notified.
- 4-bit data can be displayed in one lighting state.
- 4-bit data can represent 0 to 15 in decimal and 0 to F in hexadecimal. Therefore, when a 6-digit authentication code in decimal or hexadecimal is used, the authentication code can be notified by switching the lighting state of the four notification LED lamps six times.
- the two lighting states of the four notification LED lamps may be used as four 7-segment displays. In that case, the two lighting states can display a four-digit decimal number. Therefore, when a 6-digit decimal authentication code is used, the authentication code can be notified by switching the lighting state of the four notification LED lamps four times.
- the first control unit 15 turns on all four notification LED lamps as a signal to end the notification of the authentication code. After completing the notification of the authentication code, the first control unit 15 terminates the authentication code display mode of the display device 12 . Note that the manufacturer of the battery pack 10 registers in the pack management application in advance signals for the standby state, the start of notification of the authentication code, and the end of notification of the authentication code.
- the second control unit 35 of the mobile terminal device 30 performs image recognition of a plurality of frame images included in the moving image captured by the imaging unit 31, and detects the authentication code notified from the display 12 of the battery pack 10.
- the second control unit 35 causes the operation display unit 33 to display the detected authentication code.
- the user operates the operation display unit 33 to approve the displayed authentication code.
- the first control unit 15 of the battery pack 10 causes the display 12 to display the authentication code, and causes the first wireless communication unit 16 to transmit an advertisement packet containing its own pack ID.
- the second control unit 35 of the mobile terminal device 30 uses the second wireless communication unit 36 to transmit a pairing request to the destination of the advertising packet.
- the first control unit 15 of the battery pack 10 accepts the pairing request if the pairing request is not from an unsupported device.
- the first control unit 15 uses the first wireless communication unit 16 to return a pairing response of acceptance of the pairing request to the pairing request source.
- the second control unit 35 of the mobile terminal device 30 transmits a pairing confirmation including the detected authentication code to the pairing request destination.
- the first wireless communication unit 16 receives the pairing confirmation including the authentication code
- the first control unit 15 of the battery pack 10 transmits the authentication code displayed on the display 12 and the authentication code included in the received pairing confirmation. match. If both match, the first control unit 15 returns a pairing confirmation of authentication success to the pairing request source.
- the second control unit 35 of the mobile terminal device 30 uses the detected authentication code to generate a temporary key (STK: Short Term Key).
- STK Short Term Key
- the second control unit 35 transmits security information including the generated temporary key to the pairing request destination.
- the security information including the temporary key is received by the first wireless communication unit 16, the first control unit 15 of the battery pack 10 sends back a receipt confirmation of the security information to the pairing request source.
- the first control unit 15 of the battery pack 10 generates and bonds an encryption key (LTK: Long Term Key) for encrypting data communicated by BLE.
- the first control unit 15 encrypts the generated encryption key using the temporary key received from the pairing request source.
- the first control unit 15 transmits security information including the encryption key encrypted with the temporary key to the pairing request source.
- the second control unit 35 of the mobile terminal device 30 uses the held temporary key to convert the received encrypted encryption key. Decrypt and bond the decrypted encryption key.
- the encryption key used for BLE communication is exchanged between the battery pack 10 and the mobile terminal device 30.
- the first wireless communication unit 16 and the second wireless communication unit 36 are equipped with microcontrollers, temporary key generation and exchange, and encryption key generation, exchange, and bonding are performed by the first wireless communication unit 16 and the second wireless communication unit 36. 2 wireless communication unit 36 .
- FIGS. 6A and 6B are diagrams for explaining a second embodiment of authentication code notification using the display 12.
- the first control unit 15 of the battery pack 10 switches the display 12 to the authentication code display mode.
- the user activates the pack management application of the mobile terminal device 30.
- an authentication code input key 33a and a completion key 33b are displayed on the operation display section 33 of the mobile terminal device 30 as shown in FIG. 6B.
- the lighting state of the plurality of LED lamps forming the display 12 is switched.
- the user visually confirms the lighting state of the plurality of LED lamps, and inputs the authentication code input key 33 a of the operation display section 33 .
- Each key of the authentication code input key 33a is switched from lit to extinguished or from extinguished to lit each time the user taps it.
- the completion key 33 b the information represented by one lighting state is read into the second control section 35 .
- the multi-digit authentication code is transmitted from the battery pack 10 to the mobile terminal device 30 .
- the procedure of pairing processing using the authentication code is the same as in the first embodiment.
- the security of the pairing process between the battery pack 10 and the mobile terminal device 30 can be strengthened at low cost. Since it is not necessary to mount a new display on the battery pack 10, and the existing indicator 12 for displaying the remaining amount of the storage battery 11 can be used, the cost increase of the battery pack 10 can be suppressed. Also, the mobile terminal device 30 only needs to install the pack management application, and no additional hardware is required.
- the authentication code is attached to the battery pack 10 with a bar code or QR code sticker, the value of the authentication code cannot be changed unless the sticker is replaced. Also, the authentication code information is basically exposed to the outside. In contrast, in this embodiment, a new authentication code can be generated each time an authentication code is issued. Also, the authentication code is displayed on the display 12 only when notifying the authentication code. Therefore, the security level can be greatly enhanced compared to the case where a bar code or QR code sticker is affixed to the battery pack 10 .
- the user can capture the authentication code into the mobile terminal device 30 simply by taking a moving image of the blinking LED lamp with the imaging unit 31 of the mobile terminal device 30, thereby reducing the troublesome operation.
- manual input errors can be eliminated, and the certainty of pairing can be improved.
- you can get the authentication code in a short time.
- the user's operation burden does not increase.
- a mobile terminal device 30 that does not have a camera can acquire an authentication code.
- there is no need to adjust the shooting position and even a user who is unfamiliar with the camera of the mobile terminal device 30 can easily import the authentication code into the mobile terminal device 30 .
- one specific LED lamp 12p among the plurality of LED lamps forming the display 12 is set as the position guide.
- a position guide may be marked with paint or a sticker in the vicinity of the plurality of LED lamps forming the indicator 12 .
- all the LED lamps forming the display 12 can be used as LED lamps for data notification.
- the position guide itself may be omitted.
- the user inputs the lighting state of each of the plurality of LED lamps to the authentication code input key 33a of the operation display section 33 each time.
- the user may capture the lighting state of each of the plurality of LED lamps as a still image with the imaging unit 31 . Since still images usually have higher image quality than moving images, the accuracy of detecting a plurality of LED lamps in an image is improved when still images are captured.
- the authentication code is notified to the user of the mobile terminal device 30 by changing the lighting state of the plurality of LED lamps of the display 12 according to the authentication code.
- the notification of the authentication code is not limited to the method using visible information. It is also possible to notify the user of the mobile terminal device 30 of the authentication code using sound information.
- the first control unit 15 of the battery pack 10 may cause the speaker to output the authentication code.
- the user inputs the overheard authentication code to the operation display unit 33 of the mobile terminal device 30 .
- the first control unit 15 of the battery pack 10 causes the speaker to output voice or sound in which the authentication code is embedded as an electronic watermark.
- the user records the voice or sound with a microphone (not shown) of the mobile terminal device 30 .
- the acoustic analysis function implemented in the pack management application detects the digital watermark of the embedded authentication code.
- the mobile terminal device 30 can also acquire the authentication code from the battery pack 10 via sound information.
- a capacitor pack containing a capacitor including an electric double layer capacitor cell, a lithium ion capacitor cell, or the like may be used.
- battery packs and capacitor packs are collectively referred to as power storage packs.
- an electrically assisted bicycle is assumed as the vehicle 20 to which the power storage pack is attached.
- the vehicle 20 is not limited to an electrically assisted bicycle, and may include an electric motorcycle (electric scooter), an electric kick scooter, an electric vehicle (including low-speed electric vehicles such as golf carts and land cars). , and railway vehicles.
- the object to which the power storage pack is attached is not limited to the vehicle 20, and includes, for example, electric moving bodies such as an electric ship and a multicopter (drone).
- the embodiment may be specified by the following items.
- An electricity storage pack (10) comprising:
- the security of the pairing process between the electricity storage pack (10) and the mobile terminal device (30) can be strengthened by using the authentication code that is only temporarily notified.
- the notification unit (12) includes a remaining amount indicator (12) of the power storage unit (11),
- the electricity storage pack (10) according to item 1, characterized by:
- the security of the pairing process between the electricity storage pack (10) and the mobile terminal device (30) can be strengthened at low cost.
- the remaining amount indicator (12) has a plurality of lamps (12) whose lighting number changes according to the remaining amount of the power storage unit (11),
- the control unit (15) When a first operation on the operation unit (13) is recognized, the number of lamps (12) corresponding to the remaining amount of the power storage unit (11) is turned on, when a second operation on the operation unit (13) is recognized, the lighting state of the plurality of lamps (12) is changed according to the authentication code;
- the electricity storage pack (10) according to item 2, characterized by:
- the authentication code can be notified while the remaining amount indicator (12) is lit.
- the control unit sets one specific lamp (12p) as a position guide when notifying the authentication code in the lighting state of the plurality of lamps (12).
- the electricity storage pack (10) according to item 3, characterized in that:
- a mobile terminal device (30) comprising:
- the security of the pairing process between the electricity storage pack (10) and the mobile terminal device (30) can be enhanced.
- the acquisition unit (31) includes an imaging unit (31), The imaging unit (31) captures a moving image of the lighting state of the plurality of lamps (12) of the electricity storage pack (10) according to item 3 or 4 due to a user's operation,
- the control unit (15) performs image recognition of a plurality of frame images included in the moving image captured by the imaging unit (31), detects the authentication code, and uses the detected authentication code to generate the encryption key. perform the process of exchanging the A mobile terminal device (30) according to item 5, characterized in that:
- the imaging unit (31) captures a moving image of the lighting state of the plurality of lamps (12) of the electricity storage pack (10) according to item 4 due to a user's operation,
- the control unit (15) recognizes one specific blinking lamp (12p) as a position guide lamp (12p),
- the security of the pairing process between the electricity storage pack (10) and the mobile terminal device (30) can be enhanced.
- 2 network 3 battery pack management system, 10 battery pack, 20 vehicle, 30 mobile terminal device, 11 storage battery, 12 display, 13 operation button, 15 first control unit, 16 first wireless communication unit, 17 first antenna, 31 imaging unit, 32 GPS receiving unit, 33 operation display unit, 33a authentication code input key, 33b completion key, 35 second control unit, 36 second wireless communication unit, 37 second antenna.
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Abstract
Description
電動移動体(20)に給電するための蓄電部(11)と、
近距離無線通信を実行するための無線通信部(16)と、
携帯端末装置(30)との近距離無線通信に使用する暗号鍵を交換する処理に使用する認証コードを、前記携帯端末装置(30)のユーザに向けて、一時的に通知する通知部(12)と、
を備えることを特徴とする蓄電パック(10)。
前記通知部(12)は、前記蓄電部(11)の残量表示器(12)を含む、
ことを特徴とする項目1に記載の蓄電パック(10)。
前記残量表示器(12)に前記蓄電部(11)の残量を表示させるための操作部(13)と、
前記蓄電部(11)の残量を管理する制御部(15)と、をさらに備え、
前記残量表示器(12)は、前記蓄電部(11)の残量に応じて点灯数が変わる複数のランプ(12)を有し、
前記制御部(15)は、
前記操作部(13)に対する第1の操作を認識すると、前記蓄電部(11)の残量に応じた個数の前記ランプ(12)を点灯させ、
前記操作部(13)に対する第2の操作を認識すると、前記認証コードに応じて前記複数のランプ(12)の点灯状態を遷移させる、
ことを特徴とする項目2に記載の蓄電パック(10)。
前記制御部(15)は、前記認証コードを前記複数のランプ(12)の点灯状態で通知する際、特定の一つのランプ(12p)をポジションガイドに設定する、
ことを特徴とする項目3に記載の蓄電パック(10)。
近距離無線通信を実行するための無線通信部(36)と、
ユーザの操作に起因して、項目1から4のいずれか1項に記載された蓄電パック(10)から通知された認証コードを取得する取得部(31)と、
前記認証コードを使用して、前記蓄電パック(10)との近距離無線通信に使用する暗号鍵を、前記蓄電パック(10)と交換する処理を実行する制御部(35)と、
を備えることを特徴とする携帯端末装置(30)。
前記取得部(31)は、撮像部(31)を含み、
前記撮像部(31)は、ユーザの操作に起因して、項目3または4に記載の蓄電パック(10)の前記複数のランプ(12)の点灯状態を動画で撮像し、
前記制御部(15)は、前記撮像部(31)により撮像された動画に含まれる複数のフレーム画像を画像認識して、前記認証コードを検出し、検出した認証コードを使用して前記暗号鍵を交換する処理を実行する、
ことを特徴とする項目5に記載の携帯端末装置(30)。
前記撮像部(31)は、ユーザの操作に起因して、項目4に記載の蓄電パック(10)の前記複数のランプ(12)の点灯状態を動画で撮像し、
前記制御部(15)は、点滅している特定の一つのランプ(12p)をポジションガイド用のランプ(12p)として認識する、
ことを特徴とする項目6に記載の携帯端末装置(30)。
ユーザの操作に起因して、項目1から4のいずれか1項に記載された蓄電パック(10)から通知された認証コードを取得する処理と、
前記認証コードを使用して、前記蓄電パックとの近距離無線通信に使用する暗号鍵を、前記蓄電パックと交換する処理を実行する処理と、
をコンピュータに実行させることを特徴とする無線通信プログラム。
Claims (8)
- 電動移動体に給電するための蓄電部と、
近距離無線通信を実行するための無線通信部と、
携帯端末装置との近距離無線通信に使用する暗号鍵を交換する処理に使用する認証コードを、前記携帯端末装置のユーザに向けて、一時的に通知する通知部と、
を備えることを特徴とする蓄電パック。 - 前記通知部は、前記蓄電部の残量表示器を含む、
ことを特徴とする請求項1に記載の蓄電パック。 - 前記残量表示器に前記蓄電部の残量を表示させるための操作部と、
前記蓄電部の残量を管理する制御部と、をさらに備え、
前記残量表示器は、前記蓄電部の残量に応じて点灯数が変わる複数のランプを有し、
前記制御部は、
前記操作部に対する第1の操作を認識すると、前記蓄電部の残量に応じた個数の前記ランプを点灯させ、
前記操作部に対する第2の操作を認識すると、前記認証コードに応じて前記複数のランプの点灯状態を遷移させる、
ことを特徴とする請求項2に記載の蓄電パック。 - 前記制御部は、前記認証コードを前記複数のランプの点灯状態で通知する際、特定の一つのランプをポジションガイドに設定する、
ことを特徴とする請求項3に記載の蓄電パック。 - 近距離無線通信を実行するための無線通信部と、
ユーザの操作に起因して、請求項1から4のいずれか1項に記載された蓄電パックから通知された認証コードを取得する取得部と、
前記認証コードを使用して、前記蓄電パックとの近距離無線通信に使用する暗号鍵を、前記蓄電パックと交換する処理を実行する制御部と、
を備えることを特徴とする携帯端末装置。 - 前記取得部は、撮像部を含み、
前記撮像部は、ユーザの操作に起因して、請求項3または4に記載の蓄電パックの前記複数のランプの点灯状態を動画で撮像し、
前記制御部は、前記撮像部により撮像された動画に含まれる複数のフレーム画像を画像認識して、前記認証コードを検出し、検出した認証コードを使用して前記暗号鍵を交換する処理を実行する、
ことを特徴とする請求項5に記載の携帯端末装置。 - 前記撮像部は、ユーザの操作に起因して、請求項4に記載の蓄電パックの前記複数のランプの点灯状態を動画で撮像し、
前記制御部は、点滅している特定の一つのランプをポジションガイド用のランプとして認識する、
ことを特徴とする請求項6に記載の携帯端末装置。 - ユーザの操作に起因して、請求項1から4のいずれか1項に記載された蓄電パックから通知された認証コードを取得する処理と、
前記認証コードを使用して、前記蓄電パックとの近距離無線通信に使用する暗号鍵を、前記蓄電パックと交換する処理を実行する処理と、
をコンピュータに実行させることを特徴とする無線通信プログラム。
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016519458A (ja) * | 2013-03-12 | 2016-06-30 | トリビディア ヘルス,インコーポレーテッド | 個人用健康装置、及び、個人用健康装置と演算装置とのペアリング方法(関連出願の相互参照)この特許出願は、「個人用健康装置と演算装置との無線ペアリング」と題され、2013年3月12日に出願された米国仮特許出願第61/777,467号、並びに「個人用健康装置と演算装置との無線ペアリング」と題され、2014年3月12日に出願された米国出願第14/206,077号の利益を主張するものであり、その全体が参照により本明細書に組み込まれる。本明細書に開示された実施形態は、個人用健康装置に係り、より詳細には、個人用健康装置と演算装置との無線ペアリングに関する。 |
JP2019164770A (ja) | 2018-03-08 | 2019-09-26 | 光陽工業股▲分▼有限公司 | バッテリーレンタルのための方法及びシステム |
CN211404583U (zh) * | 2020-01-16 | 2020-09-01 | 深圳市点蓝新能源技术有限公司 | 一种具有蓝牙系统的电动自行车锂电池 |
JP2021044203A (ja) * | 2019-09-13 | 2021-03-18 | 工機ホールディングス株式会社 | 電池パック及び電池パックを用いた電気機器 |
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JP2016519458A (ja) * | 2013-03-12 | 2016-06-30 | トリビディア ヘルス,インコーポレーテッド | 個人用健康装置、及び、個人用健康装置と演算装置とのペアリング方法(関連出願の相互参照)この特許出願は、「個人用健康装置と演算装置との無線ペアリング」と題され、2013年3月12日に出願された米国仮特許出願第61/777,467号、並びに「個人用健康装置と演算装置との無線ペアリング」と題され、2014年3月12日に出願された米国出願第14/206,077号の利益を主張するものであり、その全体が参照により本明細書に組み込まれる。本明細書に開示された実施形態は、個人用健康装置に係り、より詳細には、個人用健康装置と演算装置との無線ペアリングに関する。 |
JP2019164770A (ja) | 2018-03-08 | 2019-09-26 | 光陽工業股▲分▼有限公司 | バッテリーレンタルのための方法及びシステム |
JP2021044203A (ja) * | 2019-09-13 | 2021-03-18 | 工機ホールディングス株式会社 | 電池パック及び電池パックを用いた電気機器 |
CN211404583U (zh) * | 2020-01-16 | 2020-09-01 | 深圳市点蓝新能源技术有限公司 | 一种具有蓝牙系统的电动自行车锂电池 |
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