WO2016182060A1 - 電動可搬型作業機、バッテリパック及びバッテリパックの状態管理装置 - Google Patents
電動可搬型作業機、バッテリパック及びバッテリパックの状態管理装置 Download PDFInfo
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- WO2016182060A1 WO2016182060A1 PCT/JP2016/064287 JP2016064287W WO2016182060A1 WO 2016182060 A1 WO2016182060 A1 WO 2016182060A1 JP 2016064287 W JP2016064287 W JP 2016064287W WO 2016182060 A1 WO2016182060 A1 WO 2016182060A1
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- battery pack
- battery
- memory
- state
- controller
- Prior art date
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/76—Driving mechanisms for the cutters
- A01D34/78—Driving mechanisms for the cutters electric
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/67—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
- A01D34/68—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/835—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes
- A01D34/90—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes for carrying by the operator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
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- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- 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
- H01M10/44—Methods for charging or discharging
-
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- 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
- H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
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- 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
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- 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
- H01M50/271—Lids or covers for the racks or secondary casings
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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
- 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
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
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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 invention relates to an electric portable work machine and a battery pack for the same.
- Some electric products have removable battery packs. This type of product has the advantage that even when the battery is used up, it can be continuously operated by replacing it with a spare battery pack.
- a battery-driven electric portable work machine is light and quiet, and can achieve high maneuverability, but also has a problem that continuous working time is limited. Then, the convenience increases. Therefore, there is a strong need for a spare battery pack.
- an object of the present invention is to suppress theft of a battery pack that can be detached from an electric portable work machine in a simpler manner.
- An electric portable work machine includes a battery pack that can take any one of a plurality of states including a sleep state and an active state, and a work that operates by receiving power supply from the battery pack.
- the battery pack includes a battery and a memory that stores information indicating a state of the battery pack.
- the working machine body includes a working unit for performing a predetermined work driven by electric power from the battery, and a controller for controlling the working unit, and the controller is stored in a memory of the battery pack. When the stored information indicates the sleep state, the operation of the working unit is prohibited, and when the information stored in the memory of the battery pack indicates the active state, the operation of the working unit is enabled.
- the work implement main body further includes a display unit for a user interface, and the controller displays on the display unit a state indicating that the operation of the work unit is prohibited. It may be.
- the controller may display the battery remaining amount in a display mode different from the display indicating that the operation of the working unit is prohibited on the display unit. .
- the controller when the information stored in the memory of the battery pack indicates a sleep state, power is not supplied from the battery pack to the work implement main body, and the controller does not operate so that the work is not performed.
- the operation of the unit may be prohibited.
- the controller may acquire information stored in a memory of the battery pack via a member used when charging the battery included in the battery pack.
- the member used when charging the battery included in the battery pack is a communication for the battery pack to transmit / receive charge control information to / from a charger when charging the battery. It may be a line.
- a battery pack that can take at least two different states includes a cover member, a battery housed in the cover member, a battery member housed in the cover member, and a state of the battery pack.
- a memory storing information indicating either a sleep state or an active state, and the memory is accessible from the outside of the cover member via a predetermined interface.
- a battery pack capable of at least two different states is responsive to a battery, a memory storing information indicating the state of the battery pack, and a signal received via a predetermined interface. And a controller that updates information stored in the memory from information indicating a sleep state in which discharging from the battery is prohibited to information indicating an active state in which discharging from the battery is possible.
- the predetermined interface may be a member used when charging the battery.
- the member used when charging the battery may be a communication line for the battery pack to transmit / receive charge control information to / from a charger when charging the battery. Good.
- the predetermined interface may be a USB (Universal Serial Bus).
- the predetermined interface may be a wireless communication means.
- a state management device for a battery pack comprises a connection means for connecting to the predetermined interface of the battery pack according to any one of claims 7 to 11, and the battery pack via the connection means. And a transmission means for transmitting a signal for controlling the state.
- FIG. 1 is an overall configuration diagram of an electric brush cutter according to an embodiment of the present invention.
- the front view of the right grip 125a is shown.
- 3 is a functional block diagram of the electric brush cutter 1 when the battery pack 200 is attached to a battery holder 190.
- FIG. 2 is a functional configuration diagram when a battery pack 200 is connected to a battery charger 300.
- FIG. A is a configuration diagram of the appearance of the battery pack 200 and the status management device 400 that manages the status of the battery pack 200
- B is a functional configuration diagram when the battery pack 200 is mounted on the status management device 400.
- 5 is a flowchart showing a processing procedure performed by the state management device 400 for managing the state of the battery pack 200.
- 4 is a flowchart showing processing performed by the battery pack 200 and the charger 300 when the battery pack 200 is attached to the charger 300 for charging.
- 6 is a flowchart showing processing performed by the brush cutter body 100 and the battery pack 200 when the battery pack 200 is mounted on the brush cutter body 100 and the power switch 151 is operated to turn on the power. It is a flowchart which shows the process sequence of the terminal device for maintenance work.
- the electric portable work machine is a portable work machine driven by a battery, and may be a work machine for hand-held work or a work machine that is carried on the back.
- an electric brush cutter will be described as an example of an electric portable working machine.
- FIG. 1 is an overall configuration diagram of an electric brush cutter according to the present embodiment.
- the electric brush cutter 1 has a brush cutter body 100 and a battery pack 200.
- the electric brush cutter 1 operates with the electric power supplied from the battery pack 200 when the detachable battery pack 200 is attached to the brush cutter main body 100.
- the battery pack 200 of the present embodiment can take either a sleep state or an active state.
- the brush cutter body 100 When the battery pack 200 is in the sleep state, the brush cutter body 100 does not operate even if it is attached to the brush cutter body 100.
- the brush cutter main body 100 When the battery pack 200 is attached to the brush cutter main body 100 when the battery pack 200 is in an active state, the brush cutter main body 100 is operable.
- the brush cutter main body 100 includes a cover member 102 in which the control unit 110 and the motor 104 are accommodated, a work rod 121 extending from the cover member 102, a handle 123 attached in a direction orthogonal to the work rod 121, and left and right sides of the handle 123.
- the grip 125 (125a, 125b) provided at the tip of the work, a cutting blade 127 attached to the tip of the work rod 121, and a protective cover 129 for protecting the operator.
- An operation lever 126 is provided on the right grip 125a. When the operation lever 126 is operated while the power of the brush cutter body 100 is on, the cutting blade 127 rotates.
- a battery holder 190 is provided on the lower surface of the cover member 102, and when the battery pack 200 is attached to the battery holder 190, the battery pack 200 and the brush cutter body 100 are electrically connected.
- the brush cutter body 100 functionally includes a control unit 110 for controlling the electric brush cutter 1 and a working unit 130 that is controlled by the control unit 110 and performs a predetermined operation.
- the working unit 130 includes, for example, the motor 104, the cutting blade 127, and the power shaft 106 that is housed in the working rod 121 and transmits the rotation of the motor 104 to the cutting blade 127.
- FIG. 2 shows a front view of the right grip 125a.
- the user interface unit 150 is disposed on the right grip 125a.
- the user interface unit 150 receives input from the user and provides predetermined information to the user.
- the user interface unit 150 includes a power switch 151 and an LED display unit 153.
- the LED display unit 153 may include a plurality of LED lights, and inform the operator of the state of the electric brush cutter 1 when each light is turned on or off. For example, in the present embodiment, whether the first LED light is on / off indicates that the power supply is on / off, and whether the second LED light is on / off indicates whether the battery is charged or not. The third LED light may be turned on / off to indicate whether the battery is in a low battery state that is insufficiently charged. In addition, the predetermined state may be indicated by a blinking pattern of each light, a combination of on / off or blinking of two or more LED lights, and the like. For example, when the battery pack 200 is in a sleep state, the light of the LED display unit 153 may be displayed in a manner different from both the high battery and the low battery.
- FIG. 3 is a functional block diagram of the electric brush cutter 1 when the battery pack 200 is attached to the battery holder 190.
- the battery pack 200 includes a battery 210, a battery controller 220, a memory 230, and a plurality of connection terminals 251 to 255.
- the battery 210, the battery controller 220, and the memory 230 are accommodated in the cover member 205 (see FIG. 5).
- the battery pack 200 is connected to the brush cutter body 100 by a plurality of terminals 251 to 255 exposed on the surface of the cover member 205.
- the battery controller 220 may be realized by executing a computer program in a predetermined hardware circuit including a processor (for example, a CPU (Central Processing Unit)) and a memory.
- the battery controller 220 controls the battery 210 when it is attached to the brush cutter body 100 in cooperation with the work machine controller 111 of the brush cutter body 100. For example, the battery controller 220 monitors the state of the battery 210 such as the remaining battery level and the battery temperature when the working unit 130 is operating. When the remaining battery level drops below a predetermined level, or when the temperature rises above a predetermined level, the brush cutter main body 100 may be notified via the terminals 252 and 253.
- the memory 230 is a memory accessible by the battery controller 220, and information stored therein can be updated.
- the battery controller 220 manages information stored in the memory 230.
- Information indicating the current state of the battery pack 200 is stored in the memory 230.
- the battery pack 200 can take two states, the sleep state and the active state. For example, the battery pack 200 is in the sleep state in the initial state, and the memory 230 stores information indicating the sleep state.
- the battery controller 220 updates information stored in the memory 230 in accordance with a signal received via a predetermined interface.
- the battery controller 220 can update the information stored in the memory 230 from the information indicating the sleep state to the information indicating the active state, or from the information indicating the active state to the information indicating the sleep state. You can also.
- the predetermined interface may be a terminal 254, for example.
- Battery controller 220 may prohibit discharging from battery 210 when information indicating a sleep state is stored in memory 230. For example, even when the battery pack 200 is attached to the brush cutter main body 100, power may not be supplied from the battery pack 200 to the brush cutter main body 100 as long as the battery pack 200 is in a sleep state.
- the battery controller 220 may allow the battery 210 to discharge when information indicating an active state is stored in the memory 230. For example, when the battery pack 200 is in an active state and the battery pack 200 is attached to the brush cutter main body 100, power may be supplied from the battery pack 200 to the brush cutter main body 100.
- the battery controller 220 may notify the brush cutter body 100 of information indicating the state of the battery pack 200 stored in the memory 230.
- the brush cutter body 100 may perform an operation according to information indicating the state of the battery pack 200 notified from the battery controller 220. In this case, power may be supplied from the battery pack 200 to the brush cutter body 100. Then, the brush cutter main body 100 may grasp whether the state of the battery pack 200 is the active state or the sleep state, and may prohibit the operation of the working unit 130 in the sleep state. That is, when the battery pack 200 is in the sleep state, the brush cutter main body 100 may not substantially operate even if the battery pack 200 is attached to the brush cutter main body 100.
- the memory 230 can further store date data.
- the memory 230 may have an area for storing information related to a purchase date or a sales date.
- the memory 230 may store information indicating the date when the battery pack 200 was sold (or the date when the customer purchased it) as date data.
- the memory 230 may store information indicating a specific date such as a use start date of the battery controller 220 as date data.
- date data may be stored in the memory 230.
- the date data may be acquired from, for example, a state management device 400 (see FIG. 5) described later.
- the memory 230 may further store the following information.
- information related to the brush cutter main body 100 includes unique data (serial No., program No., etc.), sales data (store name, sale date, etc.) and operation record data of the brush cutter main body 100.
- Data relating to the number of abnormal stops, cumulative operation time, etc. can be stored in the memory 230.
- Information related to the battery pack 200 includes battery pack specific data (serial number, program number, etc.), sales data (store name, sales date, etc.) and data (number of charge / discharge, temperature abnormality, negative charge, overdischarge, etc.) Can be stored in the memory 230.
- the memory 230 can store the operation record data of the brush cutter main body 100 and the use record data of the battery pack 200 as described above.
- the memory 230 stores an area for storing information indicating the control result (usage record data) of the battery 210 by the battery controller 220 and information (operation record data) indicating the operation result of the brush cutter main body 100. These regions may be further provided.
- the battery controller 220 performs control while monitoring the state of the battery 210. When the battery controller 220 detects an abnormal temperature, overcharge, overdischarge, etc. of the battery 210, the number of times of detection may be stored in the memory 230 as usage record data.
- the battery controller 220 may further record the number of times of charging and the accumulated charging time in the memory 230, and may add the number of times and time each time charging is performed. Further, the battery controller 220 may store information (operation record data) indicating the operation result of the brush cutter main body 100 that has received the notification from the brush cutter main body 100 in the memory 230.
- the memory 230 may be accessible from outside the cover member 205 via a predetermined interface.
- the work machine controller 111 of the brush cutter main body 100 may be able to directly or indirectly access the memory 230 via a terminal 254 described below or another interface.
- the terminal device may be able to access the memory 230.
- the terminal device for maintenance work can acquire the unique data, sales data, and operation record data of the brush cutter main body 100 and the unique data, sale data, and use record data of the battery pack 200 stored in the memory 230. Also good.
- the terminals 251 to 255 may contact the corresponding terminals 131 to 135 of the brush cutter main body 100, respectively, so that the brush cutter main body 100 and the battery pack 200 are electrically connected.
- the terminal 251 is a plus terminal and the terminal 255 is a minus terminal.
- the terminal 252 is a terminal for notifying the brush cutter body 100 of a temperature abnormality of the battery 210 and the terminal 253 as an abnormal status of the overdischarge abnormality of the battery 210.
- the terminal 254 is a terminal for bidirectionally transmitting / receiving a control signal related to charging of the battery 210 to / from the charger 300 when charging is performed by a charger 300 (see FIG. 4) described later.
- Battery controller 220 may transmit / receive signals to / from an external device using a member used when charging battery 210 included in battery pack 200 as an interface.
- This interface may be, for example, a communication line for the battery pack 200 to transmit / receive charge control information to / from the charger when charging the battery.
- the battery controller 220 may transmit / receive predetermined information to / from an external device such as the brush cutter body 100, particularly using the terminal 254 as an interface with the outside.
- the brush cutter main body 100 includes a control unit 110 including a work machine controller 111 and a memory 113, a power switch 151, an LED display unit 153, an operation lever 126, and a work unit 130.
- the work machine controller 111 may be realized by executing a computer program in a predetermined hardware circuit including a processor (for example, a CPU (Central Processing Unit)) and a memory.
- the work machine controller 111 communicates with the battery pack 200 via a member used when charging the battery 210 included in the battery pack 200.
- the member used when charging may be, for example, a communication line for the battery pack 200 to transmit / receive charging control information to / from the charger when charging the battery.
- the work machine controller 111 can communicate with the battery controller 220 via the terminals 134 and 254, and information stored in the memory 230 via the battery controller 220, for example, information indicating the state of the battery pack 200, date Data, unique data of the battery 210, sales data, usage record data, and the like may be acquired. The acquired information may be stored in the memory 113.
- the work machine controller 111 may transmit the unique data, sales data, and operation record data of the brush cutter main body 100 stored in the memory 113 to the battery pack 200 via the terminals 134 and 254.
- the work machine controller 111 controls the working unit 130.
- the work machine controller 111 enables the operation of the working unit 130 when the information stored in the memory 230 of the battery pack 200 indicates an active state. That is, when the information stored in the memory 230 of the battery pack 200 indicates an active state, when a predetermined instruction or input is received from the worker, the work machine controller 111 accordingly supplies power supplied from the battery pack 200.
- the working unit 130 may be operated as described above. For example, when the operation lever 126 is operated while the battery pack 200 is in the active state, the work machine controller 111 may control the cutting blade 127 of the working unit 130 to rotate accordingly.
- the work machine controller 111 stores, in the memory 113, information (operation record data) related to the result of controlling the work unit 130.
- the work machine controller 111 may store the work time, the number of occurrences of a predetermined event, and the like in the work unit 130 as operation record data.
- the operation record data may include, for example, the cumulative usage time of the working unit 130 (cumulative time when the operation lever 126 is operated), the number of times that the cutting blade 127 has stopped abnormally, and the like.
- the work machine controller 111 may transmit information stored in the memory 113 to the battery pack 200.
- the operation record data stored in the memory 113 may be notified to the battery pack 200 and stored in the memory 230 at the timing when the power of the brush cutter main body 100 is turned on or off.
- the memory 113 stores various information.
- the memory 113 may have an area for storing the date data, the unique data of the battery 210, the sales data, and the usage record data, the unique data, the sales data, and the operation record data of the work machine body 100.
- date data is not stored in the memory 113. Date data may be copied from the battery pack 200 to the memory 113 when the power is turned on for the first time.
- the work machine controller 111 prohibits the operation of the working unit 130. That is, even when the operation lever 126 is operated by the worker, the work machine controller 111 does not operate the working unit 130 when the battery pack 200 is in the sleep state. Further, when the battery pack 200 is in the sleep state, the work machine controller 111 may display a predetermined display on the LED display unit 153 indicating that the operation of the work unit 130 is prohibited. This display mode may be a display mode different from the display mode indicating the remaining battery level. For example, the work machine controller 111 may turn on or blink the light of the LED display unit 153 in a display mode different from both the high battery and the low battery.
- the work machine controller 111 When the information stored in the memory 230 of the battery pack indicates the sleep state, power may not be supplied from the battery pack 200 to the brush cutter main body 100. In this case, since no power is supplied to the work machine controller 111, the work machine controller 111 does not operate. That is, since the work machine controller 111 does not operate, the operation of the working unit 130 is prohibited as a result.
- FIG. 4 is a functional configuration diagram when the battery pack 200 is connected to the battery charger 300.
- the charger 300 includes a power supply device 310 that converts commercial AC power into DC power for charging, a charge controller 320 that controls the power supply device 310, and terminals 351 to 355.
- the terminals 251 to 255 come into contact with the corresponding terminals 351 to 355 of the charger 300, respectively.
- the battery pack 200 receives power from the charger 300 via the plus terminal 251 and the minus terminal 255 and charges the battery 210 under the control of the battery controller 220.
- the battery controller 220 and the charge controller 320 transmit and receive control signals for charging via the terminals 254 and 354.
- the battery controller 220 manages the charging of the battery 210 in cooperation with the charge controller 320. For example, the battery controller 220 receives a charge start and end instruction from the charge controller 320 via the terminals 254 and 354, and controls the start and end of charging the battery 210. The battery controller 220 may monitor the state of the battery 210, for example, the remaining battery level and the temperature of the battery while charging. When the remaining battery level rises above a predetermined level, the battery controller 220 may notify the brush cutter body 100 via the terminal 254.
- FIG. 5A is an external configuration diagram of the battery pack 200 and the status management device 400 that manages the status of the battery pack 200
- FIG. 5B is a functional configuration diagram when the battery pack 200 is attached to the status management device 400. .
- the battery pack 200 is covered with a cover member 205 that houses a battery 210, a battery controller 220, and a memory 230. Terminals 251 to 255 are exposed on the cover member 205.
- the state management device 400 has an insertion hole 405. At the bottom of the insertion hole 405, terminals 451 to 455 are provided as connection means for connecting to terminals 251 to 255 which are interfaces of the battery pack 200. When the battery pack 200 is inserted into the insertion hole 405, the terminals 451 to 455 provided at the bottom of the insertion hole 405 come into contact with the terminals 251 to 255 of the battery pack 200.
- the state management device 400 includes switches SW1 and SW2 and a state management unit 410 that manages the state of the battery pack 200.
- the state management unit 410 may transmit a signal for controlling the state of the battery pack 200 to the battery pack 200. Signal transmission is performed via a predetermined interface.
- a predetermined signal instructing the state of the battery pack 200 is transmitted from the state management unit 410 to the battery controller 220 via the terminals 454 and 254 according to the switch operation. You may make it do.
- the state management unit 410 transmits information instructing the battery pack 200 to activate the battery pack 200, and when SW2 (sleep switch) is pressed, the state management unit 410 transmits the information.
- Unit 410 may transmit information instructing battery pack 200 to put battery pack 200 in a sleep state.
- the state management unit 410 may transmit date data indicating the current date to the battery controller 220 via the terminals 454 and 254.
- the battery controller 220 may store the received date data in the memory 230 when receiving the date data via the terminal 254. If date data is already stored in the memory 230, the date data newly acquired may be overwritten on the date data.
- the date indicated by the date data may be, for example, the date of sale or purchase of the battery pack 200 or the date of start of use.
- the state management unit 410 may transmit the sales data together with the date data to the battery controller 220 via the terminals 454 and 254. At this time, the battery controller 220 may store the sales data in the memory 230. The sales data stored in the memory 230 can be output to the outside like the date data.
- the state of the battery pack 200 is managed by a switch operation received by the state management device 400, but the state management of the battery pack 200 is not necessarily limited to this method.
- the state management device 400 when the state management device 400 includes a numeric keypad, when the input of a predetermined authentication code is accepted by operating the numeric keypad, the battery pack 200 may be instructed to change the status.
- the state management device 400 may include a barcode or two-dimensional code reader, and the reader may read the barcode or two-dimensional authentication code.
- the state management device 400 may transmit date data indicating the date at that time to the battery pack 200.
- the state management device 400 is not a dedicated device as shown in FIG. 5, but may be included in another device as a partial function of another device.
- the state management device 400 may be integrated with a POS terminal installed in a store, or may be integrated with the charger 300.
- the function of the state management device 400 may be incorporated in a general-purpose computer device (such as a PC, a tablet terminal, or a smartphone).
- the battery pack 200 may be a wired communication unit such as USB (Universal Serial Bus), or a wireless communication unit such as WiFi, Bluetooth (registered trademark), or infrared communication. Then, the battery pack 200 and the general-purpose computer device may communicate with each other via these communication means, and the general-purpose computer device may instruct the battery pack 200 to change the state.
- FIG. 6 is a flowchart showing a processing procedure performed by the state management device 400 for managing the state of the battery pack 200.
- the state management unit 410 determines whether or not the activate switch SW1 has been operated (S103). When the activate switch SW1 is operated (S103: Yes), the state management unit 410 notifies the battery pack 200 of an instruction for setting the state of the battery pack 200 to the active state (S105).
- the battery controller 220 stores information indicating the active state in the memory 230 in accordance with an instruction from the state management device 400.
- the state management unit 410 transmits date data indicating the current date to the battery pack 200 (S107).
- the battery controller 220 stores the date data transmitted from the state management device 400 in the memory 230.
- the activate switch SW1 when the activate switch SW1 is pressed, the state of the battery pack 200 is changed to the active state, and the current date is stored in the memory 230.
- the state management unit 410 determines whether or not the sleep switch SW2 is operated (S109). When the sleep switch SW2 is operated (S109: Yes), the state management unit 410 notifies the battery pack 200 of an instruction for setting the state of the battery pack 200 to the sleep state (S111).
- the battery controller 220 stores information indicating the sleep state in the memory 230 in accordance with an instruction from the state management device 400.
- the battery controller 220 may overwrite information indicating the instructed state on information indicating the state of the battery pack 200 already stored in the memory 230. That is, when the battery pack 200 receives an instruction to set the active state, when the information indicating the sleep state is already stored in the memory 230, the battery controller 220 indicates the information indicating the active state. Information may be overwritten and saved. Similarly, when the battery pack 200 receives an instruction for setting the sleep state, if the information indicating the active state is already stored in the memory 230, the battery controller 220 displays the information indicating the sleep state as the active state. The information shown may be overwritten and saved.
- the user can freely update the state of the battery pack 200.
- the date data stored in the memory 230 can be read out by the battery controller 220 and output to the outside.
- the date of sale (purchase date) of battery pack 200 or the date of start of use can be stored in battery pack 200 itself.
- FIG. 7 is a flowchart showing a process performed by the battery pack 200 and the charger 300 when the battery pack 200 is attached to the charger 300 and charging is performed.
- the battery controller 220 starts charging the battery 210 in accordance with the charging start instruction from the charge controller 320 (S201).
- Battery controller 220 updates the number of times of charging stored in memory 230 (S203). For example, the battery controller 220 adds 1 to the number of times of charging stored in the memory 230.
- the battery controller 220 updates the accumulated charging time stored in the memory 230 (S205). For example, the battery controller 220 measures an elapsed time after the battery pack 200 is attached to the charger 300 and adds it to the accumulated charging time stored in the memory 230.
- the charge controller 320 determines whether or not a predetermined end condition is satisfied (S207).
- the termination condition may be, for example, that the battery 210 has risen to a predetermined temperature or higher (temperature abnormality), or that the remaining battery level is higher than a predetermined level.
- the battery controller 220 repeats step S205 while charging is continued. Step S205 may be performed at regular time intervals.
- the charging controller 320 detects that the predetermined termination condition is satisfied (S207: Yes), the charging controller 320 notifies the battery controller 220 of the termination of charging, and the charging is terminated (S209).
- FIG. 8 is a flowchart showing processing performed by the brush cutter body 100 and the battery pack 200 when the battery pack 200 is mounted on the brush cutter body 100 and the power switch 151 is operated to turn on the power.
- the work machine controller 111 determines whether date data is already stored in the memory 113 (S301). When the date data is not stored in the memory 113 (S301: No), the work machine controller 111 requests the date data stored in the memory 230 from the battery controller 220, obtains the date data, and sends it to the memory 113. Save (S303).
- step S303 is skipped. Thereby, the date data stored in the memory 113 is not overwritten. In order to prevent overwriting by mistake, when the date data is saved in step S303, an overwriting prohibition status may be set in the memory 113.
- operation record data is stored in the memory 113.
- the work machine controller 111 reads out the operation record data stored in the memory 113 and transmits it to the battery pack 200 (S305).
- the operation record data transmitted from the battery controller 220 is stored in the memory 230.
- the work data recorded in the brush cutter body 100 so far is stored in the battery pack 200.
- unique data and sales data may be copied to the memory 230.
- the working unit 130 becomes operable, and the work machine controller 111 controls the working unit 130 in accordance with an instruction from the worker.
- the work machine controller 111 determines whether or not there is a notification of an abnormal status from the battery pack 200 via a predetermined terminal (S307).
- the working unit 130 determines whether a signal indicating the status of the temperature abnormality is notified via the terminals 252 and 132, and whether the signal indicating the status of the overdischarge abnormality is notified via the terminals 253 and 133. judge.
- the work machine controller 111 When the battery abnormal status is notified (S307: Yes), the work machine controller 111 notifies the battery controller 220 of the information indicating the battery abnormal status again via the terminals 134 and 254, and the notification.
- the abnormal status is stored in the memory 230 as battery usage data (S309).
- step S309 is skipped.
- the work machine controller 111 ends the operation when the LED display unit 153 is operated to turn off the power or when a battery abnormality is detected in step S307 (S311).
- the brush cutter main body 100 can exchange various data with the battery pack 200.
- various information stored in the memory 230 of the battery pack 200 can be taken out to the outside.
- the management terminal is a terminal device for maintenance work, for example. You may make it perform the process of.
- the maintenance terminal device may make a request to the battery controller 220 to acquire part or all of the information stored in the memory 230.
- the memory 230 stores, for example, battery specific data, sales data, and usage data, and specific data, sales data, and operation record data of the brush cutter main body 100 connected last.
- the maintenance terminal device may include a display device, for example, and may display the usage history of the battery 210 and the operation history of the brush cutter body 100 on the display device based on the acquired data.
- the situation analysis of the brush cutter main body 100 and the battery pack 200 can be accurately performed, and accurate maintenance work can be performed.
- FIG. 9 is a flowchart showing the processing procedure of the maintenance work terminal device in which the predetermined application program described above is installed.
- the terminal device when the terminal device is connected to the battery pack 200, the terminal device makes a data acquisition request stored in the memory 230 to the battery pack 200 (S401).
- the battery controller 220 when the battery controller 220 receives the data acquisition request, the operation record data of the brush cutter main body 100 is read from the memory 230 and transmitted to the terminal device (S403). Furthermore, the battery controller 220 reads the usage record data of the battery 210 from the memory 230 and transmits it to the terminal device (S405).
- the terminal device displays the operation record of the brush cutter main body 100 and the use record of the battery pack 200 on the display device based on the data acquired from the battery pack 200 (S407).
- the maintenance worker can thereby accurately grasp the state of the brush cutter body 100 and the battery pack 200.
- the present embodiment it is possible to suppress the theft of the detachable battery pack of the electric brush cutter by preventing the operation from being performed even if the battery pack in the sleep state is attached to the brush cutter body.
- the sales date or purchase date data can be stored in the work machine body so as to be readable from the outside.
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Biophysics (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Harvester Elements (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
100 刈払機本体
111 作業機コントローラ
113 メモリ
130 作業部
153 表示部
200 バッテリパック
210 バッテリ
220 バッテリコントローラ
230 メモリ
251-255 端子
300 充電器
400 状態管理装置
Claims (13)
- スリープ状態及びアクティブ状態を含む複数の状態のいずれかの状態を取り得るバッテリパックと、前記バッテリパックからの電力供給を受けて動作する作業機本体と、を備えた電動可搬型作業機であって、
前記バッテリパックは、
バッテリと、
前記バッテリパックの状態を示す情報を記憶したメモリと、を備え、
前記作業機本体は、
前記バッテリからの電力によって駆動される所定の作業を行うための作業部と、
前記作業部をコントロールするコントローラと、を備え、
前記コントローラは、前記バッテリパックのメモリに記憶されている情報がスリープ状態を示すときは前記作業部の動作を禁止し、前記バッテリパックのメモリに記憶されている情報がアクティブ状態を示すときは前記作業部の動作を可能にする、電動可搬型作業機。 - 前記作業機本体は、
ユーザインタフェースのための表示部をさらに備え、
前記コントローラは、前記表示部に前記作業部の動作が禁止された状態であることを示す表示をする、請求項1記載の電動可搬型作業機。 - 前記コントローラは、前記表示部に前記作業部の動作が禁止された状態であることを示す表示とは異なる表示態様で、前記バッテリの残量を示す表示をする、請求項2記載の電動可搬型作業機。
- 前記バッテリパックのメモリに記憶されている情報がスリープ状態を示すときは、前記バッテリパックから前記作業機本体への電力供給が行われず、前記コントローラが動作しないことで前記作業部の動作を禁止する、請求項1記載の電動可搬型作業機。
- 前記コントローラは、前記バッテリパックが備える前記バッテリを充電する際に使用される部材を介して、前記バッテリパックのメモリに記憶されている情報を取得する、請求項1~4のいずれかに記載の電動可搬型作業機。
- 前記バッテリパックが備える前記バッテリを充電する際に使用される部材は、前記バッテリを充電する際に前記バッテリパックが充電器との間で充電制御情報を送受信するための通信線である、請求項5記載の電動可搬型作業機。
- 少なくとも2つの異なる状態を取り得るバッテリパックであって、
カバー部材と、
前記カバー部材内に収容されたバッテリと、
前記カバー部材内に収容され、前記バッテリパックの状態としてスリープ状態及びアクティブ状態のいずれかを示す情報を記憶したメモリと、を備え、
前記メモリは、所定のインタフェースを介して前記カバー部材の外部からアクセス可能であるバッテリパック。 - 少なくとも2つの異なる状態を取り得るバッテリパックであって、
バッテリと、
前記バッテリパックの状態を示す情報を記憶するメモリと、
所定のインタフェースを介して受信した信号に応じて、前記メモリに記憶されている情報を、前記バッテリからの放電が禁止されているスリープ状態を示す情報から前記バッテリからの放電が可能なアクティブ状態を示す情報へ更新するコントローラと、を備えたバッテリパック。 - 前記所定のインタフェースは、前記バッテリを充電する際に使用される部材である、請求項7または8記載のバッテリパック。
- 前記バッテリを充電する際に使用される部材は、前記バッテリを充電する際に前記バッテリパックが充電器との間で充電制御情報を送受信するための通信線である、請求項9記載のバッテリパック。
- 前記所定のインタフェースは、USB(Universal Serial Bus)である、請求項7または8記載のバッテリパック。
- 前記所定のインタフェースは、無線通信手段である、請求項7または8記載のバッテリパック。
- 請求項7~12の何れかに記載のバッテリパックの前記所定のインタフェースに接続する接続手段と、
前記接続手段を介して前記バッテリパックの状態を制御する信号を送信する送信手段と、を備えたバッテリパックの状態管理装置。
Priority Applications (3)
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EP16792784.7A EP3295782A4 (en) | 2015-05-14 | 2016-05-13 | Portable electric work machine, battery pack, and battery-pack-state management device |
US15/573,971 US20180294656A1 (en) | 2015-05-14 | 2016-05-13 | Portable electric work machine, battery pack, and battery-pack-state management device |
JP2017518004A JPWO2016182060A1 (ja) | 2015-05-14 | 2016-05-13 | 電動可搬型作業機、バッテリパック及びバッテリパックの状態管理装置 |
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JP6963121B2 (ja) * | 2018-11-29 | 2021-11-05 | 本田技研工業株式会社 | バッテリ利用システム、保管装置、バッテリ利用方法、プログラム、及び記憶媒体 |
JP7336264B2 (ja) * | 2019-05-29 | 2023-08-31 | 株式会社マキタ | バッテリパック |
US11161231B2 (en) | 2019-12-18 | 2021-11-02 | Milwaukee Electric Tool Corporation | Out-of-band point of sale activation for electronic power tool devices |
IT202100020078A1 (it) * | 2021-07-27 | 2023-01-27 | Stiga S P A In Breve Anche St S P A | Dispositivo mobile per il taglio di erba con batteria elettrica di bordo |
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- 2016-05-13 US US15/573,971 patent/US20180294656A1/en not_active Abandoned
- 2016-05-13 JP JP2017518004A patent/JPWO2016182060A1/ja active Pending
- 2016-05-13 EP EP16792784.7A patent/EP3295782A4/en not_active Withdrawn
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EP3295782A1 (en) | 2018-03-21 |
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