WO2022172776A1 - アダプタ及び電気機器 - Google Patents
アダプタ及び電気機器 Download PDFInfo
- Publication number
- WO2022172776A1 WO2022172776A1 PCT/JP2022/003218 JP2022003218W WO2022172776A1 WO 2022172776 A1 WO2022172776 A1 WO 2022172776A1 JP 2022003218 W JP2022003218 W JP 2022003218W WO 2022172776 A1 WO2022172776 A1 WO 2022172776A1
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- WO
- WIPO (PCT)
- Prior art keywords
- adapter
- battery pack
- main body
- terminal
- mounting portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/247—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/267—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders having means for adapting to batteries or cells of different types or different sizes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
-
- H—ELECTRICITY
- 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
-
- 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
-
- 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 adapter for attaching a different type of battery pack to an electrical equipment main body and an electrical equipment using the same.
- cordless electrical equipment which uses a detachable secondary battery (battery pack) as a power source, is widely used in electrical equipment such as electric tools powered by motors, and lighting, sound, and heat equipment that operate on electric power.
- battery pack a detachable secondary battery
- different manufacturers use battery packs of different shapes, and even within the same manufacturer, due to the diversification of battery voltages and increases in battery capacity, a wide variety of battery packs have been developed and sold.
- Inventions have been proposed in which an adapter is interposed between an electrical device main body and a battery pack in order to mount such in-house manufactured battery packs with different specifications and different types to other in-house manufactured electrical device main bodies.
- Such well-known technology is disclosed, for example, in Patent Document 1 below.
- an adapter is interposed between an electric device main body and a battery pack, and the adapter is formed with a mounting portion that can be structurally directly connected to a battery pack mounting portion of the electric device main body. Since the adapter is formed with a battery pack attachment portion having a shape corresponding to the battery pack, the battery pack can be attached to the adapter.
- the present invention has been made in view of the above background, and an object of the present invention is to provide an adapter and an adapter that enable communication between an electrical device main body and a battery pack manufactured by another company that cannot be directly connected to the electrical device main body. It is to provide an electric device using it. Another object of the present invention is to provide an adapter capable of converting a communication signal from a battery pack into a signal that can be processed by the main body of the electrical equipment, and an electrical equipment using the same. Still another object of the present invention is to provide an adapter and an electrical device using the adapter that enables a battery pack that does not correspond to (cannot be directly connected to) a battery pack connection part of the electrical device main body to be connected to the electrical device main body. be.
- the adapter connected between the battery pack and the electrical equipment main body has a first communication terminal connectable to the communication terminal of the battery pack, and the battery pack can be attached.
- the first mounting portion and the second mounting portion have different shapes, and are configured so that the battery pack corresponding to the first mounting portion can be mounted to the electric device main body corresponding to the second mounting portion.
- the first mounting portion and the main body side mounting portion of the electric device main body have different shapes, and the battery pack can be directly mounted to the first mounting portion, but cannot be directly mounted to the main body side mounting portion. .
- the first mounting portion is formed with a pair of first rail mechanisms extending substantially parallel
- the second mounting portion is formed with a pair of second rail mechanisms extending substantially parallel
- the first rail mechanism and the second rail mechanism are formed to have different shapes.
- the adapter is divided into a first housing and a second housing, and one side of the first rail mechanism is provided on the first housing side, and the other side is provided on the second housing. Also, one side of the second rail mechanism is provided on the first housing side, the other side is provided on the second housing, and the first and second housings intersect with the extending direction of the first rail mechanism and the second rail mechanism. divided into directions.
- the adapter control unit outputs an output signal different from the input signal or an output signal corresponding to the input signal in response to an input signal input from one of the battery pack and the electrical device main body to the other of the battery pack or the electrical device main body. configured to output to
- the adapter has a battery-side power terminal connected to the power terminal of the connected battery pack, and a device-side power terminal connected to the power terminal of the electrical device main body.
- the battery-side power terminal and the device-side power terminal are connected directly or without an adapter controller.
- the adapter control section is provided on the board, and the first and second communication terminals are connected to the adapter control section via the board, while the battery-side power terminals and the device-side power terminals are connected to each other without the board. be done.
- the adapter control unit is composed of a logical operation circuit or an arithmetic circuit using a microcomputer, and the adapter has a power supply circuit that supplies operating voltage to the arithmetic circuit from power supplied from the battery-side power terminal.
- an electrical device is constructed by using the adapter and the battery pack described above, and comprising an electrical device main body having a battery pack mounting section to which the adapter can be connected and a load section.
- an adapter that converts communication signals transmitted from a battery pack to an electric device main body or from an electric device main body to a battery pack
- Packs can be enabled.
- communication becomes possible between the battery pack and the main body of the electrical equipment.
- the adapter since the adapter has the control unit, the communication signal output from the battery pack can be converted into a communication signal that can be processed by the electrical device body and transmitted to the electrical device body.
- optimal discharge control based on the state of the battery pack is possible.
- the main body of the electrical equipment is a charging device, optimum charging control based on the state of the battery pack becomes possible.
- FIG. 2 is a perspective view showing a state in which the electrical equipment main body 1 and the battery pack 150 are connected (mounted) via the first adapter 200 according to the embodiment of the present invention
- FIG. 2 is an exploded perspective view showing a state in which a first adapter 200 and a battery pack 150 are removed from the state shown in FIG. 1
- FIG. 3 is an exploded perspective view of the state of FIG. 2 viewed from another angle
- FIG. 2 is an exploded perspective view of the first adapter 200 shown in FIG. 1
- It is a longitudinal cross-sectional view of the 1st adapter 200 shown in FIG. 1, (A) is sectional drawing of the left-right direction, (B) is sectional drawing of the front-back direction. 1.
- FIG. 2 is a circuit diagram when a battery pack 150 manufactured by another company is attached to the electric device main body 1 of FIG. 1 via a first adapter 200; 8 is a waveform diagram of an input signal and an output signal of an adapter control section in the first adapter 200 of FIG. 7;
- FIG. FIG. 10 is an exploded perspective view when attaching a battery pack 100 made by the company to an electric device main body 401 made by another company using a second adapter 300 .
- FIG. 10 is a part of a circuit diagram when a battery pack 100 manufactured by our company is attached to an electric device main body 401 manufactured by another company shown in FIG. 9 via a second adapter 300 .
- FIG. 11 is a waveform diagram of an input signal and an output signal of an adapter control section in the second adapter 300 of FIG. 10;
- FIG. 9 is a waveform diagram showing a modification of FIG. 8;
- FIG. 1 is a perspective view showing a state in which an electrical equipment main body (power tool main body) 1 and a battery pack 150 are connected (mounted) via a first adapter 200 according to an embodiment of the present invention.
- An electric power tool which is one form of electrical equipment, has a battery pack 150 attached to an electrical equipment main body 1.
- a first adapter 200 is interposed between the electrical equipment main body 1 and the battery pack 150.
- the electrical equipment main body 1 rotates the motor 4 using the detachable battery pack 150 as a power source, thereby rotating or driving the tip tool (not shown) held by the chuck mechanism 9 via a power transmission mechanism (not shown).
- the housing 2 includes a substantially cylindrical body portion 2a containing a power transmission mechanism such as a motor 4 and a clutch mechanism, and a grip portion 2b extending substantially perpendicularly from the axial direction of the body portion 2a and held by an operator. and a battery pack mounting portion 2c (body side mounting portion) formed at the tip of the grip portion 2b (the side away from the body portion 2a).
- the housing 2 is manufactured by integral molding of a synthetic resin such as plastic so that it can be divided into two parts in the horizontal direction along the vertical plane including the rotating shaft of the motor 4 .
- a trigger switch 6 (not visible in the drawing; refer to FIG. 6, which will be described later for reference numerals) is provided above the grip portion 2b and immediately below the body portion 2a.
- the battery pack mounting portion 2c accommodates a control circuit (not shown in the drawing) for controlling the electric device main body 1, and also has a rail mechanism and a latch mechanism for mounting the battery pack 100 (see FIG. 9, which will be described later). formed to Further, an operation panel 15 is provided on the outer upper surface of the battery pack mounting portion 2c to display the remaining battery capacity of the battery packs 100 (see FIG. 9) and 150, and a lighting switch for the illumination device 27 is provided.
- a battery pack (here, a battery pack 100 to be described later with reference to FIG. 9, hereinafter referred to as "our company's battery pack”) sold by the manufacturer of the electrical device main body 1 can be directly attached to the battery pack attachment portion 2c.
- the first adapter 200 is used to mount the battery pack 150 of another company.
- the battery pack 150 sold by a manufacturing company (other company) different from the electric device main body 1 is attached to the electric device main body 1. made it possible.
- the battery pack 150 (second battery pack) cannot be directly attached to the electric device main body (the first electric device main body in the electric device main body 1).
- the battery pack 150 can be attached to the first attachment portion 210 (see FIG. 2 described later for reference numerals) on the lower side of the first adapter 200 .
- Formed on the upper side of the first adapter 200 is a second mounting portion 250 (refer to FIG. 2 described later for reference numerals) for mounting to the battery pack mounting portion 2c of the electrical equipment main body 1 .
- the side surface shape of the first adapter 200 is formed so as to be continuous with the side surface shape of the battery pack mounting portion 2 c of the electrical equipment main body 1 .
- the lower side surface shape of the first adapter 200 is shaped so as to be continuously connected to the left and right side surfaces and the front surface of the battery pack 150 .
- the battery pack 150 is provided with two sets of cells in which five lithium-ion battery cells are connected in series, and the positive electrodes and the negative electrodes of these two sets are connected in parallel to output DC 18 V (rated). .
- the battery pack 150 By attaching the battery pack 150 to the battery pack attachment part 2c via the first adapter 200, the power tool shown in FIG. 1 battery pack) is attached, the shape becomes longer in the downward direction.
- a hook 28 for hanging the power tool from a waist belt or the like is attached to the side surface of the battery pack attachment portion 2c of the electrical equipment main body 1 by screws 29 (see FIG. 3). do not interfere.
- the attachment body that can be attached to the battery pack attachment portion 2c of the electrical equipment main body 1 is an assembly of the first adapter 200 and the battery pack 150.
- FIG. The first adapter 200 can be attached by sliding the battery pack 150 from the front to the rear with respect to the battery pack attachment portion 2c. That is, the mounting of the first adapter 200 is the same as the mounting procedure of the company's battery pack 100 (see FIG. 9).
- the first adapter 200 is moved forward with respect to the electric device body 1 while pressing the latch buttons 281 and 283 (not visible in FIG. 1) provided on the first adapter 200 side. This is done by moving
- Battery pack 150 is removed from first adapter 200 by moving battery pack 150 forward relative to first adapter 200 while pressing latch button 181 provided on battery pack 150 side. It should be noted that the removal of the first adapter 200 from the electrical equipment main body 1 and the removal of the battery pack 150 from the first adapter 200 may be performed first. When the first adapter 200 is removed from the electric device body 1 in the attached state shown in FIG. 1, the battery pack 150 remains attached to the lower side of the first adapter 200 .
- FIG. 2 is an exploded perspective view showing a state in which first adapter 200 and battery pack 150 are removed.
- the first adapter 200 is an intervening component that is interposed when, for example, a battery pack 150 of another company is attached to the electric device main body 1 of the company.
- a case 201 of the first adapter 200 is divided into two pieces, a right side piece 201R and a left side piece 201L.
- a second mounting part 250 is formed on the upper side.
- the shape of the second mounting portion 250 is the same as the mounting portion of the company's battery pack 100 (see FIG. 9, which will be described later), and has a shape corresponding (directly connectable) to the battery pack mounting portion 2c of the company's electrical equipment main body 1. be. Therefore, the first adapter 200 can be attached to and removed from the electric device main body 1 in the same manner as the battery pack 100 (see FIG. 9, which will be described later).
- the second mounting portion 250 of the first adapter 200 has a lower stepped surface 251 and an upper stepped surface 253 formed in a stepped shape, and three slots 261 to 263 cut so as to extend rearward from the stepped portion 252 are formed.
- the internal spaces of the portions opened by the slots 261 to 263 serve as spaces for accommodating connection terminals (terminals 266 to 268 in FIG. 4, which will be described later).
- a raised portion 254 is formed behind the upper stage surface 253 , and a depression 255 corresponding to the convex portion 26 formed on the electric device main body 1 is formed in the center of the raised portion 254 .
- a groove portion 256 is formed in the right side surface 213 of the second mounting portion 250 so as to be recessed inward (in the left-right centerline direction) from the right side surface 213 .
- a groove 257 (see FIG. 4 described later) is also formed on the left side surface 214 (see FIG. 4 described later) of the second mounting portion 250 .
- a rail mechanism is formed by a pair of grooves 256 and 257 arranged on the left and right. Behind the grooves 256 and 257, latch buttons 281 and 283 (refer to FIG. 4 which will be described later) are provided.
- the latch buttons 281 and 283 are release buttons for releasing a latch mechanism (lock mechanism) for maintaining or releasing the attached state of the first adapter 200 to the electrical equipment main body 1 .
- the latch mechanism includes latch buttons 281 and 283 and latch claws 282 and 284 (see FIG. 4) that move in conjunction with the latch buttons 281 and 283 .
- the first mounting portion 210 is formed to correspond to, for example, the mounting portion 160 of the battery pack 150 of another company (having the same shape as the mounting portion 160), which does not correspond to the battery pack mounting portion 2c of the electric device main body 1.
- the mounting portion 160 is composed of a rail mechanism with a pair of grooves 167 and 168 (not visible in FIG. 2) arranged on the left and right, slots 161 to 164, and latch mechanisms (181 and 182).
- the battery pack 150 has an upper surface 155 and a lower surface 153. Slots 161 to 164 are cut rearward from near the step between the upper surface 155 and the lower surface 153. As shown in FIG. Inside the slots 161 to 164, connection terminals to be fitted with connection terminal groups (described later with reference to FIG.
- the latch claws 282 and 284 of the first adapter 200 are protruded in the direction perpendicular to the longitudinal direction of the rail portions (grooves 256 and 257) by the action of springs (not shown), and the concave portion 22a formed in the battery pack mounting portion 2c. , 23a (see FIG. 3, which will be described later), the first adapter 200 is prevented from coming off.
- FIG. 3 is an exploded perspective view of the state of FIG. 2 viewed from another angle.
- a battery pack mounting portion 2c for mounting a battery pack 100 (see FIG. 9) is formed on the lower side of the electrical equipment main body 1.
- Battery pack mounting portion 2c is mainly formed by parallel rails 22 and 23 extending in the front-rear direction on left and right side surfaces, and connection terminals 31 to 33 arranged between rails 22 and 23. .
- the connection terminals 31 to 33 are composed of a positive terminal 31 for receiving power, a negative terminal 32 for receiving power, and a communication terminal 33 for receiving a signal from the battery pack 150 .
- only one communication terminal 33 is formed for communication, but the number of communication terminals is not limited to one, and up to four can be formed in terms of space.
- Rails 22 and 23 are shaped to protrude from the side wall of battery pack mounting portion 2c toward a position approaching the dividing surface so as to face each other.
- the rails 22, 23 extend from the front open ends to the rear side of the connection terminals 31 to 33, and recesses 22a, 23a are formed in the vicinity of the front ends for engagement with latching claws of the latch mechanism.
- a terminal unit 30 is fixed between the rails 22 and 23 arranged in parallel.
- the terminal unit 30 is made by casting metal terminal parts into resin, and includes a substantially rectangular parallelepiped solid base portion 30a and an upper portion of the base portion 30a which is formed into a plate shape facing forward. It is formed by an extended upper wall portion 30c.
- the positive electrode terminal 31, the negative electrode terminal 32, and the communication terminal 33 are plate-like parts made of metal, and are cast so as to pass through the base portion 30a. Fixed to protrude. The rear end of the plate-like part is exposed above the base part 30a to form a connection terminal part (not visible in the figure). Connected.
- the upper outer edge of the terminal unit 30 is provided with a groove (not visible in the drawing) that is continuously formed along the outer edge so as to be recessed inward. It is fixed to the housing 2 so that the groove is sandwiched by the .
- the upper wall portion 30 c of the terminal unit 30 is a surface facing the upper surface 253 of the first adapter or the upper surface 104 of the battery pack 100 .
- the vertical wall portion 30 b of the terminal unit 30 is a surface facing the step portion 252 of the first adapter 200 or the step portion 103 of the battery pack 100 .
- the lower surface of the base portion 30 a of the terminal unit 30 is the surface facing the lower surface 251 of the first adapter or the lower surface 102 of the battery pack 100 .
- a curved wall 25 that curves upward is formed on the front side of the rails 22 and 23 in the battery pack mounting portion 2c, and the raised portion 254 (see FIG. 2) of the first adapter 200 or the battery pack 100 (See FIG. 9).
- the convex portion 26 is a portion that forms a screw hole and a screw boss (both not visible in the drawing) for screwing the right side piece and the left side piece of the housing 2 .
- the convex portion 26 is positioned within the recess 255 of the first adapter 200 (see FIG. 2) or the recess 106 of the battery pack 100 (see FIG. 9).
- the battery pack 150 is normally an electric device (for example, an electric tool manufactured by another company) of a type different from the electric device main body 1 (for example, an electric tool manufactured by the company), and is a second electric device main body 401 shown in FIG. 9 described later. ) (can be directly connected), but is connected to the electrical equipment main body 1 via the first adapter 200 here.
- the battery pack 150 accommodates a plurality of secondary battery cells such as lithium-ion batteries, and outputs DC with a rated voltage (for example, 18 V) corresponding to the electrical equipment main body 1 .
- First adapter 200 is formed with first mounting portion 210 for mounting battery pack 150 on the lower side of case 201 (201R, 201L) made of synthetic resin.
- the first mounting portion 210 is formed with a side wall surface 221 that is U-shaped in bottom view and extends downward. , a rail 223 projecting inward from near the lower end on the left side is formed. Rails 222 and 223 form the rail mechanism of the first mounting portion of first adapter 200 and correspond to grooves 167 and 168 (see FIG. 2) of battery pack 150 .
- the upper wall surface 211 of the first mounting portion 210 is formed at the same height as the horizontal wall 230 c of the terminal portion 230 and faces the upper surface 155 of the battery pack 150 .
- a recessed portion 212 is formed that is recessed upward in the shape of a mountain.
- the concave portion 212 has a shape corresponding to the latch claw 182 (see FIG. 2) of the battery pack 150.
- the battery pack 150 is attached to the first attachment portion 210 of the first adapter 200, and the ends of the rails 222 and 223 are attached to the battery pack.
- connection terminals are cast into the terminal portion 230 .
- a positive input terminal 231 and a negative input terminal 232 are arranged apart from each other in the horizontal direction as connection terminals for electric power.
- the positive input terminal 231 is inserted into the slot 161 of the battery pack 150 (see FIG. 2), and the negative input terminal 232 is inserted into the slot 162 of the battery pack 150 (see FIG. 2).
- a first communication terminal 233 and a second communication terminal 234 for signal transmission are arranged between the positive input terminal 231 and the negative input terminal 232 .
- the first communication terminal 233 is inserted into the slot 163 of the battery pack 150 (see FIG. 2), and the second communication terminal 234 is inserted into the slot 164 of the battery pack 150 (see FIG. 2).
- the battery pack continues until the stopper portions 154a and 154b formed on the upper surface 155 of the battery pack 150 come into contact with the abutting portions of the first adapter 200 (until the ends of the rails 222 and 223 come into contact with the stopper portions 154a and 154b).
- 150 is inserted into the first mounting portion 210, the connection terminals 231 to 234 provided on the first adapter 200 side are connected to the connection terminals 171 to 174 (see FIG. 7 described later) provided on the battery pack 150. When they come into contact with each other, they become conductive.
- latch claw 182 of battery pack 150 is protruded upward by the action of the spring and engaged with recess 212 formed in first adapter 200, thereby preventing battery pack 150 from falling off.
- FIG. 4 is an exploded perspective view of the first adapter 200 shown in FIG.
- the case of the first adapter 200 is of a left-right split type, and the terminal portion 230 is held by being sandwiched between the cases 201 (201R, 201L).
- An opening 202R is provided in the lower portion of the right side piece 201R of the case 201, and a groove portion 203R continuous in the outer edge direction for engaging with the outer edge portion of the right half of the terminal portion 230 is formed on the upper side of the opening 202R.
- similar openings and grooves are also formed in the lower portion of the left side piece 201L of the case 201. As shown in FIG.
- the right side piece 201R and the left side piece 201L of the case 201 are fixed by two screws (not shown).
- Two screw holes 204 and 205 are formed in the right side piece 201R, and a screw boss having an internal thread is formed in the corresponding position of the left side piece 201L.
- the case 201 assembled by joining the right side piece 201R and the left side piece 201L has a second mounting portion 250 on the upper side that is connected to the electric device main body 1, and a first mounting portion on the lower side for connecting to a battery pack 150 made by another company.
- Groove portions 256 (see FIG. 2) and 257 extending in the front-rear direction are formed in the right side surface 213 and the left side surface 214 of the second mounting portion 250, respectively.
- the front ends of the grooves 256 and 257 are open to the upper portion of the lower step surface 251 and the grooves are closed by the raised portion 254 at the rear portion.
- Latch claws 282 (see FIG. 2 for reference numerals) and 284 are formed near the rear ends of the grooves 256 and 257, respectively.
- latch buttons 281 and 283 that move in conjunction with the latch claws 282 and 284 are provided.
- Three slots 261 to 263 are formed in the upper surface 253 connecting the upper edges of the right side 213 and the left side 214 .
- the slots 261 to 263 are elongated rectangles when viewed from above, and their front ends open to a stepped portion 252 formed between the upper step surface 253 and the lower step surface 251 .
- the terminal portion 230 forms an input terminal on the side of the first mounting portion 210 (lower side in the drawing), an output terminal on the side of the second mounting portion 250 (upper side in the drawing), and a signal terminal on the side of the first mounting portion 210. and the signal terminal of the second mounting portion 250, or converts and transmits the signal.
- the terminal portion 230 has a base portion 230a, which is a solid portion made of synthetic resin, and an upper wall portion 230b having the same upper surface as the base portion 230a is formed so as to continue rearward.
- a horizontal wall 230c that holds a flat substrate is connected to the rear of the upper wall portion 230b.
- the upper wall portion 230b and the horizontal wall 230c may be formed separately or integrally.
- a circuit board 247 is arranged above the horizontal wall 230c.
- the circuit board 247 is mounted with a power source section 248 and a computing section 249 including a microcomputer, which will be described later with reference to FIG.
- a positive output terminal 266 , a negative output terminal 267 , and a communication terminal (LD output terminal) 268 are arranged on the upper side of the base portion 230 a of the terminal portion 230 .
- These three terminals are made of metal, and a terminal cover 235 made of synthetic resin is provided around these terminals.
- four connection terminals 231 to 234 are formed below the terminal portion 230 (only the negative input terminal 232 is visible in FIG. 4; the rest are shown in FIG. 3).
- the four connection terminals 231 to 234 are made of thin metal plates and cast into a base portion 230a manufactured by molding synthetic resin.
- connection pieces 236 to 239 for soldering wiring.
- the connection piece 236 is connected to the positive input terminal 231 (see FIG. 3, which will be described later). 249), and is connected to the circuit board 247 by a thin wiring 275.
- FIG. The connection piece 237 is connected to the negative input terminal 232, and is directly connected to the connection piece extending rearward of the negative electrode output terminal 267 and the thick wiring 272 without going through the control unit (circuit board 247 or arithmetic unit 249). , and connected to the circuit board 247 by a thin wiring 276 .
- connection piece 238 is connected to the first communication terminal 233 and connected to the circuit board 247 by the wiring 273 .
- connection piece 239 is connected to the communication terminal 234 and connected to the circuit board 247 by the wiring 274 .
- the LD output terminal 268 is connected to the circuit board 247 by wiring 277 .
- FIG. 5A and 5B are a top view and a longitudinal sectional view of the first adapter 200.
- FIG. The cross-sectional position of FIG. 5(A) corresponds to the cross-section taken along line BB of FIG. 5(B).
- the case 201 of the first adapter 200 is divided into a right side piece 201R and a left side piece 201L, and a terminal portion 230 is sandwiched between the right side piece 201R and the left side piece 201L of the case 201. and retained.
- a second mounting portion 250 is formed above the upper wall portion 230 b of the terminal portion 230 .
- a terminal portion of the second mounting portion 250 includes a positive output terminal 266 , a negative output terminal 267 and an LD output terminal 268 .
- the periphery of the terminal portion is covered with a terminal cover 235 .
- Groove portions 256 and 257 constituting a rail mechanism of the second mounting portion 250 are formed in the right side surface 213 and the left side surface 214 of the upper stage surface 253 .
- Latch buttons 281 and 283 are provided behind the grooves 256 and 257, respectively.
- Rails 222 and 223 are formed on the first mounting portion 210 .
- the rail 222 is formed to protrude inward from the bottom side of the right piece 201R, and the rail 223 is formed to protrude inward from the bottom side of the left piece 201L.
- FIG. 5(B) is a cross-sectional view taken along line AA in FIG. 5(A).
- Slots 261 to 263 are formed behind the stepped portion 252 of the first mounting portion 210, and a positive output terminal 266, a negative output terminal 267, and an LD output terminal 268 are arranged behind the slots 261 to 263.
- FIG. The latch buttons 281 and 283 are configured to be pushable from the outside to the inside.
- FIG. 6 is a circuit diagram when a battery pack 100 manufactured by the same company as the electric device main body 1 (manufactured in-house), which can be directly connected to the electric device main body 1, is attached to the electric device main body 1 of FIG.
- a three-phase brushless DC motor is used in this embodiment.
- the brushless DC motor includes a rotor 4a including a plurality of sets (two sets in this embodiment) of permanent magnets (magnets) including N and S poles, and a star-connected three-phase stationary magnet.
- a stator 4b having child windings U, V, and W, and three rotational position detecting elements ( Hall element) 56 . Based on the position detection signals from these rotational position detection elements 56, the direction and time of energization of the stator windings U, V, W are controlled, and the motor 4 rotates.
- the motor 4 is driven by an inverter circuit having six switching elements Q1-Q6 such as FETs connected in a three-phase bridge configuration.
- Each gate of the six bridge-connected switching elements Q1 to Q6 is connected to a control signal circuit 51, and each drain or each source of the six switching elements Q1 to Q6 is connected to a star-connected stator winding U. , V, W.
- the six switching elements Q1 to Q6 perform switching operations according to the switching element drive signals (drive signals such as H4, H5, H6, etc.) input from the control signal circuit 51, and the battery pack voltage is applied to the inverter circuit.
- 100 is supplied to the stator windings U, V, and W as three-phase (U-, V-, and W-phase) voltages Vu, Vv, and Vw.
- the three negative power supply side switching elements Q4, Q5, and Q6 are driven by a pulse width modulation signal (PWM signal) H4,
- a switch operation detection circuit 59 detects the amount of movement (stroke) of the trigger lever 6a that operates the trigger switch 6, and outputs the detection signal to the calculation unit 50.
- the calculation unit 50 adjusts the amount of power supplied to the motor 4 by changing the pulse width (duty ratio) of the PWM signal based on the output of the switch operation detection circuit 59, and controls the start/stop and rotation speed of the motor 4. do.
- the arithmetic unit 50 includes a central processing unit (CPU) for outputting drive signals based on processing programs and data, a ROM for storing processing programs and control data, and a ROM for temporarily storing data. RAM, a timer, and the like.
- a reference voltage VCC (for example, +5V) for operating the arithmetic unit 50 is generated by a power supply unit 52 connected to the positive terminal 31 and the negative terminal 32, and supplied to the arithmetic unit 50 and other electronic circuits.
- the calculation unit 50 forms a drive signal for alternately switching predetermined switching elements Q 1 to Q 6 based on the output signal of the rotational position detection circuit 54 and outputs the drive signal to the control signal circuit 51 .
- predetermined windings of the stator windings U, V, and W are alternately energized to rotate the rotor 4a in the set rotation direction.
- the current value supplied to the motor 4 is detected by the current detection circuit 53 by detecting the voltage across the shunt resistor 57, and the rotation speed of the motor 4 is detected by the rotation speed detection circuit 55 using the output of the rotation position detection circuit 54. These values are detected and fed back to the computing unit 50 to adjust the set drive power.
- the power supply unit 52 uses power from the positive terminal 31 and the negative terminal 32 to generate a reference voltage (eg, 5 V) for operating the arithmetic unit 50.
- a reference voltage eg, 5 V
- a constant voltage conversion circuit using a three-terminal regulator is used. be done.
- a capacitor 58 is connected between the positive terminal 31 and the negative terminal 32 for smoothing.
- the battery pack 100 is, for example, a self-manufactured battery pack that can be directly connected to the electrical device body 1 .
- the battery pack 100 accommodates a battery cell group 145, for example, 10 lithium-ion battery cells with a rating of 3.6V. is obtained (the state of parallel connection is not shown in the figure).
- the positive electrode on the battery cell group 145 side is connected to the positive terminal 31 via the positive terminal 131
- the negative electrode on the battery cell group 145 side is connected to the negative terminal 32 via the negative terminal 137 .
- a computing unit 140 is provided in the battery pack 100 .
- the computing unit 140 includes a microcomputer, which measures the voltage of each battery cell and manages charging and discharging of the battery cell.
- the microcomputer of the calculation unit 140 outputs a discharge inhibition signal (LD signal) to a communication terminal to stop the use of the battery pack 100 as a whole when any one of the battery cells in the battery cell group 145 is in an over-discharged state.
- (LD terminal) 138 to send out.
- the communication terminal 138 is connected to the communication terminal (LD terminal) 33 on the electrical equipment main body 1 side, and the discharge prohibition signal is transmitted to the microcomputer of the calculation unit 50 .
- FIG. 7 is a circuit diagram when a battery pack 150 manufactured by another company, for example, which cannot be directly connected to the electrical equipment main body 1 via the first adapter 200, is attached to the electrical equipment main body 1 of FIG.
- the battery pack 150 is a battery pack manufactured by another company.
- ten lithium-ion battery cell groups 195 rated at 3.6 V are accommodated. Thus, a rated output of 18V is obtained (the state of parallel connection is not shown in the figure).
- the positive electrode on the battery cell group 195 side is connected to the positive input terminal 231 of the first adapter 200 via the positive terminal 171
- the negative electrode on the battery cell group 195 side is connected to the negative input terminal 232 via the negative terminal 172 .
- a computing unit 190 is provided in the battery pack 150 .
- the computing unit 190 includes a microcomputer, which measures each voltage of the battery cells and manages charging and discharging of the battery cells.
- the microcomputer of the calculation unit 190 outputs the temperature signal 191 of the battery cell group 195 to the first signal terminal 173 . Further, when the microcomputer of the calculation unit 190 detects that one of the battery cell groups 195 is in an overload state, it outputs an overload signal 192 to the second signal terminal 174 .
- the first adapter 200 is formed with a positive input terminal 231 , a negative input terminal 232 , and communication terminals 233 and 234 on the first mounting portion 210 side.
- a positive output terminal 266 , a negative output terminal 267 , and one signal terminal (communication terminal), that is, an LD output terminal 268 are formed on the second mounting portion 250 side of the first adapter 200 .
- the positive input terminal 231 and the positive output terminal 266 are directly connected by a thick wiring 271 .
- the negative input terminal 232 and the negative output terminal 267 are directly connected by a thick wiring 272 .
- a power supply unit 248 and a computing unit 249 are mounted on the circuit board 247 of the first adapter 200 . Power is supplied from the positive input terminal 231 and the negative input terminal 232 to the power supply section 248 through wirings 275 and 276 , and the power supply section 248 supplies the reference voltage VCC for operating the arithmetic section 249 .
- the power supply unit 248 is, for example, a constant voltage conversion circuit using a three-terminal regulator.
- the calculation unit 249 includes a microcomputer, which converts the signals input from the first communication terminal 233 and the second communication terminal 234 so as to comply with the communication standard of the electrical equipment main body 1 side.
- a communication signal (LD signal) 268 a is generated from two signals input from the first communication terminal 233 and the second communication terminal 234 and output to the communication terminal (LD output terminal) 268 .
- the computing section 249 corresponds to the adapter control section.
- the adapter control unit may be configured including a logical operation circuit or an operation circuit using a microcomputer.
- the first adapter 200 connects the terminals (171, 172) of the battery pack 150, which cannot be directly connected to the electric device main body 1, for example, by another company or a different manufacturer, to the shape of the terminals (31, 32) of the electric device main body 1. are converted into connection terminals (266, 267) in accordance with .
- the calculation unit 249 of the first adapter 200 converts the signal (temperature signal and overload signal in this example) output from the battery pack 150 manufactured by another company into a communication signal (LD signal ).
- the first adapter 200 converts communication signals from the battery pack 150, which cannot be directly connected to the electrical device body 1, into communication signals corresponding to the destination electrical device body 1.
- the battery pack 150 manufactured by another company that cannot be directly connected to the electrical equipment main body 1 can be used as the power supply for the electrical equipment main body 1 .
- the vertical axis indicates the level (high or low) of each signal, and the horizontal axis indicates the passage of time.
- the temperature signal 191 and the overload signal 192 are transmitted from the battery pack 150, and as outputs from the first adapter 200 to the LD terminal 33 of the electrical equipment body 1, An LD signal 268 a is output to the LD output terminal 268 .
- the temperature signal 191 of the battery pack 150 shown in FIG. 7 is Low level up to the allowable range (for example, less than +50° C.), and outputs a high level voltage to the signal terminal 173 when the allowable range is exceeded.
- the overload signal 192 of the battery pack 150 is Low level when the battery voltage is above the allowable range (for example, 12 V or above), and outputs a High level voltage to the signal terminal 174 when it falls below this.
- the overload signal 192 may be low level when the current flowing through the battery pack 150 is less than a predetermined value, and may be switched to high level when the current is equal to or higher than the predetermined value.
- the communication signal (LD signal) 268a in the battery pack 100 becomes high level when the battery pack 100 side is in an over-discharged state, that is, when any one of the battery cells drops below the lower limit voltage for use.
- the calculation unit 249 (see FIG. 7) of the first adapter 200 receives the temperature signal 191 and the overload signal 192 output from the battery pack 150, replaces them with the LD signal of the battery pack 100, and converts them into the LD signal of the electrical equipment body 1. Output to terminal 33 (LD terminal).
- FIG. 8A shows a state in which both the temperature signal 191 and the overload signal 192 are low until time t1.
- the computing section 249 (see FIG. 7) of the first adapter 200 keeps the LD signal 268a at Low.
- the temperature signal 191 becomes high beyond the allowable range due to the temperature rise of the battery, and the overload signal 192 remains low even after time t1.
- the computing unit 249 (see FIG. 7) of the first adapter 200 switches the LD signal 268a to high and outputs it from the LD output terminal 268 (see FIG. 7). The operation of the power tool main body 1 is blocked by the transmission of the LD signal 268a.
- FIG. 8B shows a state in which both the temperature signal 191 and the overload signal 192 are low until time t1, and the battery voltage is below the allowable range at time t1, and the overload signal 192 becomes high. is shown. Temperature signal 191 remains low after time t1.
- the computing unit 249 (see FIG. 7) of the first adapter 200 switches the LD signal 268a to high at time t1 and outputs it from the LD output terminal 268 (see FIG. 7).
- FIG. 8C shows a state in which both the temperature signal 191 and the overload signal 192 are low until time t1, and both the temperature signal 191 and the overload signal 192 are high at time t1.
- the computing unit 249 (see FIG. 7) of the first adapter 200 switches the LD signal 268a to high at time t1 and outputs it from the LD output terminal 268 (see FIG. 7).
- the waveform diagram shown in FIG. 8 has been described as a simple OR output, that is, the LD signal 268a coincides with the OR operation result of the temperature signal 191 and the overload signal 192 for the sake of simplification of explanation, the battery pack 150
- the arithmetic unit 249 (see FIG. 7) of the first adapter 200 can be configured to produce a simple logical operation result, or an advanced conversion process using computer software.
- the LD signal 268a may be determined and output from the LD output terminal 268 (see FIG. 7).
- a microcomputer is installed in the arithmetic unit 249 of the first adapter 200, conversion processing of communication signals can be performed arbitrarily.
- the microcomputer of the calculation unit 249 is configured not to use all of the plurality of signals input from the battery pack 150, but to select the signal used for determining the LD signal 268a and not to use the remaining signals. Also good.
- the level of the input signal (temperature signal 191, overload signal 192) and the output signal (LD signal 268a) to the calculation unit 249 is the same between normal and abnormal conditions, for example, it is low in normal conditions and high in abnormal conditions. When the level changes, one of the input signals may be directly output as the output signal.
- FIG. 9 is an exploded perspective view when using the second adapter 300 to attach the battery pack 100 manufactured by the company to an electrical device main body 401 manufactured by another company (an electrical device main body to which the battery pack 100 cannot be directly connected).
- the electric device main body 401 manufactured by another company is, for example, an impact driver, and operates at the same voltage as the electric device main body 1 (the electric device main body to which the battery pack 100 can be directly connected) manufactured by the company.
- the housing 402 of the electrical equipment main body 401 has a body portion 402a and a grip portion 402b extending downward from the body portion 402a.
- a battery pack mounting portion 420 (body side mounting portion) is formed below the grip portion 402b.
- the shape of battery pack mounting portion 420 is the same as the shape of first mounting portion 210 shown in FIG.
- the battery pack 100 corresponds to (can be directly connected to) the self-manufactured electric device body 1 shown in FIG. 1, and houses a plurality of battery cells in a synthetic resin case 101 .
- a rail mechanism for attaching to the electric device main body 1 that is, two rail grooves 125 and 126 (not visible in FIG. 9) are provided.
- a lower stage surface 102 and an upper stage surface 104 of the case 101 are formed to have different heights in a stepped manner, and eight slot groups 120 extending rearward from the stepped portions are formed.
- a plurality of connection terminals (connection terminal group) are arranged inside the notched portion.
- the second slot 122 from the right is provided with a positive terminal
- the seventh slot 127 is provided with a negative terminal
- the eighth slot 128 is provided with an LD terminal.
- a latch mechanism (latch portion) for maintaining or canceling the attached state with the electrical equipment main body 1 is provided behind the connection terminal group.
- the right latch mechanism includes a latch button 116 and a latch pawl 117 that moves in conjunction with the latch button 116 .
- a latch button and a latch claw are similarly arranged on the left side surface of the battery pack 100 .
- the second adapter 300 has a first mounting portion 310 corresponding to the battery pack 100 formed on the lower side, and a second mounting portion 350 corresponding to the electric device main body 401 formed on the upper side.
- the shape of the first mounting portion 310 is compatible with the shape of the battery pack mounting portion 2c shown in FIGS.
- the shape of the second mounting portion 350 is compatible with the shape of the mounting portion 160 of the battery pack 150 shown in FIGS.
- the basic configuration of the second adapter 300 is the same as that of the first adapter 200 shown in FIG. not) is pinched.
- the shape of the terminal portion is set according to the shapes of the first mounting portion 310 and the second mounting portion 350 and the arrangement of the connection terminals. FIG.
- the first mounting portion 310 includes a positive input terminal connected to the positive terminal 131 of the battery pack 100, a negative input terminal connected to the negative terminal 137 of the battery pack 100, A communication terminal (LD terminal) 301 connected to the communication terminal (LD terminal) 138 of the battery pack 100 is provided.
- the second mounting part 350 is formed with slots 361 to 364 in which connection terminals are received.
- the second adapter 300 is also provided with an arithmetic unit 304 including a microcomputer. As will be described later, the arithmetic unit 304 generates communication signals between the battery pack 100 (the arithmetic unit 140) and the electric device body 401 (the arithmetic unit 413). act as a bridge between
- a positive output terminal connected to the positive input terminal is accommodated in the slot 361 .
- a negative output terminal connected to the negative input terminal is accommodated in the slot 364 .
- the first signal terminal (communication terminal) 302 connected to the first signal terminal 410 to which the first signal (temperature signal) 370 of the electrical equipment main body 401 is input is accommodated in the slot 362 .
- the second signal terminal (communication terminal) 303 connected to the second signal terminal 411 to which the second signal (overload signal) 380 of the electrical equipment main body 401 is input is accommodated in the slot 363 .
- Signal 110 output from battery pack 100 is input to second adapter 300 (calculation unit 304) via communication terminals 138 and 301.
- FIG. When an abnormal signal (discharge inhibition signal, LD signal) indicating an abnormal state is input to the calculation unit 340 as the signal 110, the calculation unit 340 generates a first signal (temperature signal) 370 and a second signal (overload signal) 380. is switched from the normal state to the abnormal state and output to the power tool main body 401 (calculation unit 412) via each communication terminal.
- LD signal discharge inhibition signal
- FIG. 11 is a waveform diagram of input signal 110 and output signals 370 and 380 of adapter control section 412 in second adapter 300 of FIG.
- the vertical axis indicates the level (high or low) of each signal, and the horizontal axis indicates the passage of time.
- abnormality signal 110 from battery pack 100 is transmitted.
- a first signal (temperature signal) 370 is output to the first signal terminal 302 as an output from the second adapter 300 to the first signal terminal 410 of the electrical equipment body 401 .
- a second signal (overload signal 380 ) is output to the second signal terminal 303 as an output from the second adapter 300 to the second signal terminal 411 of the electrical equipment body 401 .
- the signal output from the calculation unit 140 of the battery pack 100 is output when the battery pack 100 or any one of the battery cells drops below the unused lower limit voltage, or when the current flowing through the battery pack 100 exceeds the overcurrent threshold. , when the temperature of the battery pack 100 exceeds the pack allowable range, or when the calculation unit 140 of the battery pack 100 determines that any of the above has occurred, the abnormal signal changes from a low level indicating a normal state to a high level indicating an abnormal state. switched to 110.
- the calculation unit 304 of the second adapter 300 switches at least one of the first signal 370 and the second signal 380 from the low level indicating the normal state to the high level indicating the abnormal state.
- the calculation unit 304 of the second adapter 300 maintains the first and second signals 370, 380 in the Low state.
- the calculation unit 304 of the second adapter 300 switches the second signal 380 to high while maintaining the low state of the first signal 370. , is output from the second signal terminal 303 .
- the operation of the power tool main body 401 is blocked (stopped or prohibited) by the transmission of the second signal 380 indicating the abnormal state.
- FIG. 11B is the same as FIG. 11A until time t1.
- the calculation unit 304 of the second adapter 300 switches the first signal 370 to high while maintaining the low state of the second signal 380. , are output from the first signal terminal 302 .
- the operation of the power tool main body 401 is blocked (stopped or prohibited) by the transmission of the first signal 370 indicating the abnormal state.
- FIG. 11C is the same as FIG. 11A until time t1.
- the calculation unit 304 of the second adapter 300 switches the first and second signals 370 and 380 to high, and the first and second signal terminals Output from each of 301 and 302 .
- the operation of the power tool main body 401 is blocked (stopped or prohibited) by the transmission of the first signal 370 indicating the abnormal state.
- the arithmetic unit 412 of the electric power tool main body 401 determines that the battery pack 100 has an abnormality. to decide. As a result, the operation of the power tool main body 401 can be blocked.
- first adapter 200 and the second adapter 300 have been described as adapters, but a battery pack (second battery pack) of another shape or another company (manufacturer) may be used in the electric device.
- battery packs and electric device bodies manufactured by one's own company and another manufacturing company (other companies) different from one's own company have been described, but battery packs and electric device bodies are not limited to one's own company and other companies. It may be made by a company (manufacturing company), and can be applied even when the battery pack and the electric device main body cannot be directly connected due to the difference in rated voltage between the battery pack and the electric device main body, for example. .
- the signal indicating abnormality may be reversed between high and low. In FIGS. 8 and 11, the signal is low when normal and high when abnormal. However, as shown in FIG. 12, which is a modification of FIG. 8, the signal may be high when normal and low when abnormal.
- the calculation unit 249 of the first adapter 200 may be programmed to determine that the input signals from the terminals 233 and 234 are normal when they are high and abnormal when they are low.
- only one of the input signal and the output signal of the calculation unit 249 may be reversed with respect to the signals in FIG. 8, so that if the input signal is low, it is normal, and if the output signal is low, it is abnormal.
- the electric device main body may be a charging device for charging the battery pack instead of being driven by the power of the battery pack.
- SYMBOLS 1 Electric apparatus main body 2... Housing 2a... Body part 2b... Grip part 2c... Battery pack mounting part 4... Motor 4a... Rotor 4b... Stator 6... Trigger switch 6a... Trigger lever , 9... chuck mechanism, 15... operation panel, 22, 23... rails, 22a, 23a... concave parts, 24... opening part, 25... curved wall, 26... convex part, 27... illumination device, 28... hook, 29...
- Terminal unit 30a Base portion 30b Vertical wall portion 30c Upper wall portion 31 Positive terminal 32 Negative terminal 33 Communication terminal (LD terminal) 50 Operation unit 51 Control signal circuit 52 Power supply unit 53 Current detection circuit 54 Rotation position detection circuit 55 Rotation speed detection circuit 56 Rotation position detection element 57 Shunt resistor 58 Capacitor 59 Switch operation detection Circuit 100 (first) battery pack 101 Case 102 Lower surface 103 Stepped portion 104 Upper surface 105 Raised portion 106 Recess 116 Latch button 117 Latch claw DESCRIPTION OF SYMBOLS 120... Slot group 122, 127, 128... Slot, 125, 126... Rail groove, 131... Positive electrode terminal, 137... Negative electrode terminal, 138... Communication terminal (LD terminal), 140...
- Operation part 145... Battery cell group, Reference Signs List 150 (second) battery pack 153 lower surface 154a, 154b stopper portion 155 upper surface 160 mounting portion 161 to 164 slot 167, 168 groove portion 171 positive electrode terminal 172 Negative electrode terminal 173 First signal terminal 174 Second signal terminal 181 Latch button 182 Latch claw 190 Operation unit 191 Temperature signal 192 Overload signal 195 Battery cell group DESCRIPTION OF SYMBOLS 200... 1st adapter 201... Case 201R... Right side piece 201L... Left side piece 202R... Opening 203R... Groove part 204, 205... Screw hole 210... First mounting part 211... Upper wall surface 212... Recess part , 213... right side surface 214...
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Abstract
Description
Claims (10)
- 電池パックと電気機器本体との間に接続されるアダプタであって、
前記アダプタは、
前記電池パックの通信端子に接続可能な第1通信端子を有し、前記電池パックを装着可能とする第1装着部と、
前記電気機器本体の通信端子に接続可能な第2通信端子を有し、前記電気機器本体に装着可能とする第2装着部と、
前記第1通信端子と第2通信端子に接続され、前記第1通信端子又は第2通信端子の一方から入力された入力信号にもとづいて、前記第1又は第2通信端子の他方に出力信号を出力するよう構成されたアダプタ制御部と、を有することを特徴とするアダプタ。 - 請求項1に記載のアダプタであって、
前記第1装着部と前記第2装着部は形状が異なり、前記第1装着部に対応する前記電池パックを前記第2装着部に対応する前記電気機器本体に装着できるよう構成された、ことを特徴とするアダプタ。 - 請求項2に記載のアダプタであって、
前記第1装着部と前記電気機器本体の本体側装着部とは異なる形状であり、前記電池パックは前記第1装着部には直接装着可能である一方、前記本体側装着部には直接装着不能であることを特徴とするアダプタ。 - 請求項1から3のいずれか一項に記載のアダプタであって、
前記第1装着部には略平行に延びる一対の第1レール機構が形成され、前記第2装着部には略平行に延びる一対の第2レール機構が形成され、
前記第1レール機構と、前記第2レール機構はそれぞれ形状が異なることを特徴とするアダプタ。 - 請求項4に記載のアダプタであって、
前記アダプタは、第1ハウジングと第2ハウジングによる分割形式で構成され、
前記第1レール機構の一方側が前記第1ハウジング側に設けられ、他方側が前記第2ハウジングに設けられ、
前記第2レール機構の一方側が前記第1ハウジング側に設けられ、他方側が前記第2ハウジングに設けられ、
前記第1及び第2ハウジングは、前記第1レール機構及び前記第2レール機構の延出方向と交差する方向に分割されることを特徴とするアダプタ。 - 請求項1から5のいずれか一項に記載のアダプタであって、
前記アダプタ制御部は、前記電池パック又は前記電気機器本体の一方から入力された前記入力信号に応じて、前記入力信号とは異なる前記出力信号又は前記入力信号に対応した前記出力信号を、前記電池パック又は前記電気機器本体の他方に出力するよう構成された、ことを特徴とするアダプタ。 - 請求項1から6のいずれか一項に記載のアダプタであって、
接続された前記電池パックの電力端子に接続される電池側電力端子と、
前記電気機器本体の電力端子に接続される機器側電力端子と、を有し、
前記電池側電力端子と前記機器側電力端子は直接又は前記アダプタ制御部を介することなく接続されていることを特徴とするアダプタ。 - 請求項7に記載のアダプタであって、
前記アダプタ制御部は基板に設けられ、
前記第1及び第2通信端子は前記基板を介して前記アダプタ制御部に接続されている一方、前記電池側電力端子及び前記機器側電力端子は前記基板を介することなく互いに接続されていることを特徴とするアダプタ。 - 請求項7又は8に記載のアダプタであって、
前記アダプタ制御部は、論理演算回路又はマイコンを用いた演算回路によって構成され、
前記アダプタには、前記電池側電力端子から供給される電力から前記演算回路に動作用電圧を供給する電源回路を有することを特徴とするアダプタ。 - 請求項1から9のいずれか一項に記載の前記アダプタと、
電池パックと、
負荷部と電池パック装着部を有し、前記アダプタが接続可能な電気機器本体と、を備えたことを特徴とする電気機器。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18/270,192 US20240106052A1 (en) | 2021-02-12 | 2022-01-28 | Adapter and electric apparatus |
| JP2022580554A JP7678347B2 (ja) | 2021-02-12 | 2022-01-28 | アダプタ及び電気機器 |
| CN202280008663.0A CN116686148B (zh) | 2021-02-12 | 2022-01-28 | 适配器、电动机器以及电动机器本体 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021-020550 | 2021-02-12 | ||
| JP2021020550 | 2021-02-12 |
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| Publication Number | Publication Date |
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| WO2022172776A1 true WO2022172776A1 (ja) | 2022-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2022/003218 Ceased WO2022172776A1 (ja) | 2021-02-12 | 2022-01-28 | アダプタ及び電気機器 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20240106052A1 (ja) |
| JP (1) | JP7678347B2 (ja) |
| CN (1) | CN116686148B (ja) |
| WO (1) | WO2022172776A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024167753A3 (en) * | 2023-02-09 | 2024-10-31 | StaCyc, LLC | Battery support frame for a bicycle |
| US12351271B2 (en) | 2021-03-04 | 2025-07-08 | StaCyc, LLC | Bike frame having a drive module enclosure |
| WO2025169828A1 (ja) * | 2024-02-09 | 2025-08-14 | 工機ホールディングス株式会社 | アダプタシステム、第1アダプタシステム、第2アダプタシステム、及び、第3アダプタシステム |
| US12427595B2 (en) | 2022-10-26 | 2025-09-30 | Vis, Llc | Soldering tool with orientation safety control |
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| JP2016087724A (ja) * | 2014-10-31 | 2016-05-23 | 日立工機株式会社 | コードレス電動作業機 |
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| CA2602930C (en) * | 2006-09-19 | 2013-08-06 | Hitachi Koki Co., Ltd. | Adaptor, assembly of battery pack and adaptor, and electric tool with the same |
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| JP6104717B2 (ja) | 2013-05-31 | 2017-03-29 | 株式会社マキタ | アダプタユニット、電動作業機械セット |
| CN110912240B (zh) * | 2019-12-12 | 2025-09-16 | 格力博(江苏)股份有限公司 | 一种适配器以及电动工具系统 |
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2022
- 2022-01-28 US US18/270,192 patent/US20240106052A1/en active Pending
- 2022-01-28 CN CN202280008663.0A patent/CN116686148B/zh active Active
- 2022-01-28 JP JP2022580554A patent/JP7678347B2/ja active Active
- 2022-01-28 WO PCT/JP2022/003218 patent/WO2022172776A1/ja not_active Ceased
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| JP2008178278A (ja) * | 2006-09-19 | 2008-07-31 | Hitachi Koki Co Ltd | アダプタ、電池パックとアダプタの組み合わせ、及びそれらを備えた電動工具 |
| JP2011526217A (ja) * | 2008-07-02 | 2011-10-06 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 電動工作機械 |
| JP2013109894A (ja) * | 2011-11-18 | 2013-06-06 | Makita Corp | バッテリアダプタ |
| JP2016087724A (ja) * | 2014-10-31 | 2016-05-23 | 日立工機株式会社 | コードレス電動作業機 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12351271B2 (en) | 2021-03-04 | 2025-07-08 | StaCyc, LLC | Bike frame having a drive module enclosure |
| US12427595B2 (en) | 2022-10-26 | 2025-09-30 | Vis, Llc | Soldering tool with orientation safety control |
| WO2024167753A3 (en) * | 2023-02-09 | 2024-10-31 | StaCyc, LLC | Battery support frame for a bicycle |
| WO2025169828A1 (ja) * | 2024-02-09 | 2025-08-14 | 工機ホールディングス株式会社 | アダプタシステム、第1アダプタシステム、第2アダプタシステム、及び、第3アダプタシステム |
| WO2025169829A1 (ja) * | 2024-02-09 | 2025-08-14 | 工機ホールディングス株式会社 | アダプタ、アダプタシステム、電池パック、及び、電気機器システム |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116686148B (zh) | 2025-08-01 |
| CN116686148A (zh) | 2023-09-01 |
| JPWO2022172776A1 (ja) | 2022-08-18 |
| US20240106052A1 (en) | 2024-03-28 |
| JP7678347B2 (ja) | 2025-05-16 |
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