CN204658374U - There is the brushless direct current motor electric tool of integrated printed circuit board design - Google Patents
There is the brushless direct current motor electric tool of integrated printed circuit board design Download PDFInfo
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- CN204658374U CN204658374U CN201390000513.1U CN201390000513U CN204658374U CN 204658374 U CN204658374 U CN 204658374U CN 201390000513 U CN201390000513 U CN 201390000513U CN 204658374 U CN204658374 U CN 204658374U
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- circuit board
- printed circuit
- electric tool
- motor
- pcb
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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
- B25F5/008—Cooling means
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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
- B25F5/02—Construction of casings, bodies or handles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Power Tools In General (AREA)
Abstract
The utility model discloses a kind of electric tool, this electric tool has integrated printed circuit board, and this integrated printed circuit board decreases the internal threads of described electric tool, and provides a large amount of air stream for internal part.In certain embodiments, described integrated printed circuit board has surfboard shape, and comprises motor control unit and power switch parts (field-effect transistor).The board-like integrated printed circuit board of described surfing be arranged on trigger top and in the below of described motor and driving mechanism.In certain embodiments, described integrated printed circuit board has annular, and coaxially arranges with motor reel.Described integrated printed circuit board can be arranged on annular and control between printed circuit board (PCB) and described motor.
Description
Related application
This application claims the U.S. Provisional Application No.61/684 that the applying date is on August 20th, 2012,982 and the applying date be the U.S. Provisional Application No.13/841 on March 15th, 2013, the priority of 246, merges its full content by reference at this.
Technical field
The present invention relates to a kind of brushless motor electric tool.
Background technology
Usually, electric tool motor is divided into two classes: brush motor and brushless motor.In brush motor, due to the rotation of rotor, motor brush is formed and is disconnected to the electrical connection of motor.In brushless motor, such as, electric tool 100 in Fig. 1, switch block opens and closes selectively by carrying out the control signal of self-controller, to apply power from power supply selectively to drive brushless motor.Electric tool 100 is brushless hammer drill, and this brushless hammer drill comprises the housing 102 with handle portion 104 and motor case portion 106.Electric tool 100 also comprises output unit 107, moment of torsion arranges dial 108, forward/rewind selects button 110, trigger 112, battery interface 114 and light source 116.
The simplified block diagram 120 of the power driven tools of brushless electric shown in Fig. 2 100, inputs 132 and miscellaneous part 133 (battery meter, portable lamp (LEDs), current/voltage sensor) comprising power supply 122 (such as battery pack), field-effect transistor (FETs) 124, motor 126, Hall element 128, motor control unit 130, user.Hall element 128 provides motor information feed back, and as motor rotary position information, motor control unit 130 can use these feedacks to determine the position of motor, voltage and/or acceleration.Motor control unit 130 receive from user input 132 user control, such as by squeezing trigger 112 or change forward/rewind select button 110.In order to control in response to motor information feed back and user, motor control unit 130 transfer control signal is with accurately control FETs 124 thus drive motor 126.By starting selectively and closing FETs 124, the power from power supply 122 is applied on motor 126 selectively, rotates to make rotor.Although not shown, the miscellaneous part of motor control unit 130 and electric tool 100 is all electrically connected on power supply 122, provides power to make power supply 122 for it.
Summary of the invention
Connection between the parts simplifying the electric tool 100 illustrated in Fig. 2.In fact, because the parts of brushless electric tool are interconnected by multiple wire for power and control signal, therefore the circuit of electric tool 100 is more complicated.For example, each FET of FETs 124 is connected to the end of motor 126, and from power supply to FETs, the power line of 124 comprises positive wire and negative pole/earth lead etc.In addition, power line can have large capacity specifications/diameter to process the electric current increased, and occupies space limited in housing of electric tool 102 further.
To sum up, multiple being interconnected between the parts of brushless electric tool can cause line conditions complicated in housing of electric tool, and the space leaving these circuits in housing for is limited.
The embodiment of the application relates to the component layouts of the electric tool with brushless motor.More specifically, embodiment relate to described electric tool housing in the multiple printed circuit board (PCB) of brushless electric tool and the setting of electronic device.The layout of described electric tool comprises multiple design points for attention, and such as size, weight and shape are to ensure that user cosily operates described instrument.The parts of brushless electric tool and the efficient layout of wire make electric tool compacter, simplify the assembling of instrument, improve temperature and control (such as owing to improve air flowing) and other beneficial effects.
In one embodiment, the invention provides a kind of electric tool, this electric tool comprises housing and is arranged on the brushless direct current motor in described housing.Described brushless direct current motor comprises rotor and stator, and wherein, described rotor is connected to motor reel and exports to produce to rotate.Described electric tool also comprises radiator and the integrated printed circuit board (PCB) of the one end being fixed on described brushless direct current motor, and this integrated printed circuit board has Hall element, power switch parts and through hole.Described integrated printed circuit board is fixed on described radiator, and described motor reel extends through the described through hole of described radiator.Described electric tool also comprises control printed circuit board (PCB), this control printed circuit board (PCB) has motor control unit, this motor control unit receives the positional information from the motor of described Hall element, and controls described power switch parts to drive described brushless direct current motor.
In another embodiment of the present invention, provide a kind of electric tool, this electric tool comprises housing and is arranged on the brushless direct current motor in described housing.This brushless direct current motor comprises rotor and stator, and wherein, described rotor is connected to motor reel and exports to produce to rotate.Described electric tool also comprises output unit, integrated printed circuit board and control circuit board.Described output unit be connected to described motor reel to provide the rotation of described hull outside to export.Described integrated printed circuit board comprises Hall element, power switch parts and through hole, wherein, describedly to be arranged between described brushless direct current motor and described output unit in conjunction with printed circuit board (PCB), and wherein, described motor reel extends through described through hole.Described control printed circuit board (PCB) comprises motor control unit, and this motor control unit receives the motor position information from described Hall element and controls described power switch parts to drive described brushless direct current motor.
In yet another embodiment of the present invention, provide a kind of electric tool, this electric tool comprises the housing with handle portion and motor case portion and the brushless direct current motor be arranged in described motor case portion.Described brushless direct current motor comprises rotor and stator, and wherein, described rotor is connected to motor reel and exports to produce to rotate.Described electric tool also comprises integrated printed circuit board, and this integrated printed circuit board has the parts be exposed in described housing, and these parts comprise motor control unit and power switch parts.Described integrated printed circuit board is arranged between described handle portion and described brushless direct current motor, and described motor control unit controls described power switch parts to drive described brushless direct current motor.Described electric tool also comprises the fan being arranged on described brushless direct current motor rear end.This fan can rotate to produce cooling-air stream in described housing by described brushless direct current motor, to cool the parts of described integrated printed circuit board.
Other aspects of the present invention will be known in conjunction with the drawings with detailed description.
Accompanying drawing explanation
Fig. 1 is the figure that brushless electric tool is shown;
Fig. 2 is the block diagram of brushless electric tool;
Fig. 3 A, Fig. 3 B and Fig. 4 provide other views of the brushless electric tool in Fig. 1;
Fig. 5 is the figure that Hall element plate is shown;
Fig. 6 to Fig. 7 is the figure of the brushless electric tool with the board-like integrated printed circuit board of surfing;
Other views of the integrated printed circuit board that Fig. 8 A to Fig. 8 C provides surfing board-like;
Fig. 9 to Figure 11 illustrates that another has the figure of the brushless electric tool of the board-like integrated printed circuit board of surfing;
Figure 12 to Figure 14 illustrates that another one has the figure of the brushless electric tool of the board-like integrated printed circuit board of surfing;
Figure 15 is the figure that the brushless electric tool with the graphic integrated printed circuit board of annulus is shown;
Figure 16 A to Figure 16 B is the graphic integrated figure in conjunction with printed circuit board (PCB) of the annulus of the electric tool illustrated in Figure 15;
Figure 17 A to Figure 17 B is the hall circuitboard of the combination of the electric tool illustrated in Figure 15 and the figure of field-effect transistor circuit board;
Figure 18 A to Figure 18 B illustrates that the combination of printed circuit board (PCB) storehouse controls the figure of printed circuit board (PCB);
Figure 19 A to Figure 19 G illustrates figure hall circuitboard and field-effect transistor circuit board and radiator being connected to the process of brushless motor;
Figure 20 is the figure of the wire winding illustrated for brushless motor;
Figure 21 is the figure that another Hall printed circuit board (PCB) combined and the field-effect transistor circuit board used together with brushless electric tool is shown;
Figure 22 A to Figure 22 C illustrates on the brushless electric tool in Figure 15 for controlling the figure of the selectable position of printed circuit board (PCB).
Detailed description of the invention
Before detailed description any embodiment of the present invention, should be understood that the present invention is not limited to layout and the structure of disclosed ground parts in description below in the application or accompanying drawing.The present invention can be other embodiment and puts into practice in many ways or implement.
The sectional view of the brushless electric tool 100 in Fig. 1 shown in Fig. 3 A, Fig. 3 b illustrates the select parts of electric tool 100.Electric tool 100 comprises the independent printed circuit board (PCB) (PCB) of the multiple parts for electric tool 100.More specifically, electric tool 100 comprises control printed circuit board (PCB) (PCB) 136, power supply PCB138, forward/rewind PCB140, Hall element PCB142 and light emitting diode (LED) PCB144.Driving mechanism 148 and radiator fan 149 is also show in Fig. 3 A, driving mechanism 148 is passed to output unit 107 for the rotation of motor 126 being exported, and radiator fan 149 is rotated by motor 126 and in order to provide the cooling-air stream of the parts crossing electric tool 100.
As shown in Figure 4, control the bottom of the electric tool 100 of printed circuit board (PCB) 136 between handle portion 104 and battery interface 114, this position also can refer to terminal block part.Control printed circuit board (PCB) 136 and comprise motor control unit 130, this motor control unit 130 is operable as and receives user's input, reception motor information feed back and controlling filed effect transistor 124 with drive motor 126.Control printed circuit board (PCB) 136 be electrically connected on and be physically connected to terminal blade 150.Work as battery pack, when namely power supply 122 is connected to battery interface 114, the terminal of battery pack is received by terminal blade 150 and is electrically connected on terminal blade 150.The number of terminal blade can according to the type change of hand held electric tool.But as directed example, terminal blade 150 can comprise anode (" B+ ") terminal, GND (" B-") terminal, sensor or communication terminal and identification terminal.As shown in Figure 4, terminal blade 150 has the link 152 extending up through and control printed circuit board (PCB) 136.Link 152 directly can weld and control printed circuit board (PCB) 136, eliminates the needs to extra power line.Whether motor control unit can use communication terminal to be communicated with battery pack, allow battery pack to pass on it to charge and other information to electric tool 100.
First printed circuit board 138 comprises field-effect transistor 124, and field-effect transistor 124 is connected to the motor control unit 130 of control printed circuit board (PCB) 136 and is controlled by motor control unit 130.As mentioned above, field-effect transistor 124 is also electrically connected on power supply 122 and motor 126.In some embodiments, field-effect transistor 124 directly connects (i.e. direct physical connect and/or thermally coupled) in radiator 154 (such as, being connected directly between on radiator as followed the tracks of (copper tracings) by the copper on first printed circuit board 138).In other embodiments, field-effect transistor 124 is not directly connected in radiator 154, but has heat transfer relation with radiator 154.
Forward/rewind printed circuit board (PCB) 140 comprises forward/rewind switch, and forward/rewind switch selects button 110 to operate by forward/rewind, and forward/rewind selects button 110 to have three positions: advance, fall back and neutral.Button/shuttle 110 is selected mutually to change by (i.e. entry/exit paper) mobile forward/rewind on the direction being standard with the plane described in Fig. 1 between these positions.When forward/rewind select button is changed between these three positions, select button 110 changes the forward/rewind switch of forward/rewind printed circuit board (PCB) 140, provides signal to motor control unit 130.When pressing trigger 112, motor control unit 130 causes ground, motor 126 up time direction pin to rotate, rotate withershins or non rotating (such as in neutral) based on selecting the position of button 11.
Hall element printed circuit board (PCB) 142 comprises Hall element 128, one or more to detect in the position of rotation of motor 126, voltage and acceleration.Motor control unit 130 uses motor feedback signal with controlling filed effect transistor 124.
Light emitting diode (LED) printed circuit board (PCB) 144 comprises light source 116, and light source 116 can be light emitting diode (LED).Light emitting diode printed circuit board 144 is connected to control printed circuit board (PCB) 136 selectively and opens and closes light source 116 selectively to make motor control unit 130 be operable as.When pressing trigger 112, motor control unit 130 can open light source 116, and/or when light source switch independent on housing 102 is opened by user, opening/closing is independent of the light source 116 of trigger 112 selectively.Motor control unit 130 can also comprise delayer, so that light source 116 keeps the illumination of a period of time when trigger 112 or light source switch are pressed or discharged.
Motor control unit 130 performs by controlling printed circuit board (PCB) 136, controls printed circuit board (PCB) 136 and comprises motor control unit 130, and motor control unit 130 comprises the computer hardware of operation and the combination of software that control electric tool 100.Such as, inter alia, control printed circuit board (PCB) 136 and comprise processing unit (such as microprocessor, microcontroller or other suitable programmable devices), memory, input block and output unit.Inter alia, described processing unit comprises control unit, ALU (" ALU ") and multiple register, and by known computer architecture, the Kazakhstan of such as improveing is framework, variational OR framework etc. not.Processing unit, memory, input block and output unit and multiple being connected to are controlled printed circuit board (PCB) 136 or are connected by a multiple control of work and/or data address for the multiple modules of the part controlling printed circuit board (PCB) 136.In some embodiments, control printed circuit board (PCB) 136 to be partly or entirely applied on semiconductor (such as field programmable gate array (" FPGA ")) chip (such as by chip that register transfer level (RTL) design process is developed).
The memory controlling printed circuit board (PCB) 136 comprises, such as, and program storage area and data storage area.Program storage area and data storage area can comprise dissimilar memory (the such as combination of read-only storage (" ROM "), random access memory (" RAM ") (such as dynamic ram (" DRAM "), synchronous dram (" SDRAM "), Electrically Erasable Read Only Memory (" EEPROM "), flash memory, hard disk, SD card or other suitable magnetic, optics, physics or electronic storage device).Processing unit is connected to memory and executive software instruction, and executive software instruction can be stored in the RAM of memory (such as the term of execution), the ROM of memory (such as usually permanent base portion) or other non-computer computer-readable recording medium (such as another memory or CD).Software comprises, such as, and firmware, one or more application program, routine data, filter, rule, one or more program module and other executable instruction.Described processing unit is configured to retrieve from memory and performs the control instruction of battery pack relevant described herein among other things.Processing unit can also store various battery parameter and characteristic (comprising the nominal voltage of battery pack, the battery behavior of chemical cell, the maximum discharge current, maximum permissible temperature etc. of permission).In other structure, control printed circuit board (PCB) 136 comprise extra, less or different parts.
Motor control unit 130 can also be with the temperature, voltage, electric current etc. of battery pack of monitoring electric tool 100 and be connected with one or more sensor UNICOM.Motor control unit 130 can also comprise based on the various preset value relevant with the operation of hand held electric tool with temperature, electric current, voltage etc. or the protective capability of failure state value that calculates.
The control printed circuit board (PCB) 136 of electric tool 100, first printed circuit board 138, forward/rewind printed circuit board (PCB) 140, between Hall element printed circuit board (PCB) 142 and light-emitting component (LED) printed circuit board (PCB) 144 various interconnection can cause complicated in the housing 102 and wiring topology of drain space.
Fig. 6 to Fig. 7 illustrates brushless electric tool 200, and brushless electric tool 200 and electric tool 100 have similarity, but have the layout of different electronic equipments.Relative to electric tool 100, the layout of electric tool 200 reduces wiring and assembling complexity.In addition, the compacter and more efficient layout of electric tool 200 makes design can have extra flexibility, such as, by allowing the size and dimension of different handles and main body.Electric tool 200 is similarly numbered similar in appearance to the parts of electric tool 100, describes to simplify it.
Be different from and independently control printed circuit board (PCB) 136, first printed circuit board 138, forward/rewind printed circuit board (PCB) 140 and light emitting diode printed circuit board 144, electric tool 200 comprises the board-like PCB202 of surfing that merges the combination of the function of each described printed circuit board (PCB).The board-like integrated printed circuit board 202 of surfing comprises the forwards/reverse switch 203 (with reference to Fig. 8 C) of the first printed circuit board 138 of field-effect transistor 124, the light source 116 of light emitting diode printed circuit board 144, the motor control unit 130 controlling printed circuit board (PCB) 136 and forward/rewind printed circuit board (PCB) 140.Therefore, to replace through housing 102 with the electric wire of the various PCB that interconnects, connect and realized by the conductor on the board-like integrated printed circuit board 202 of surfing.
As shown in the figure, the board-like integrated printed circuit board 202 of surfing has elongated shape, and its length exceedes the twice of its width.The board-like integrated printed circuit board 202 of surfing has the rear portion being adjacent to motor 126 and the front portion being adjacent to trigger 112.Hall element printed circuit board (PCB) 142 is positioned at the top of the board-like integrated printed circuit board of surfing 202 and is approximately perpendicular to the board-like integrated printed circuit board 202 of (that is, 15 degree vertical) surfing.
In addition, the integrated printed circuit board 202 that surfing is board-like is arranged near fan 149, with the field-effect transistor 124 and the miscellaneous part that make cooling-air stream pass the board-like integrated printed circuit board 202 of surfing.The cooling-air stream that fan 149 is operating as absorption from the board-like integrated printed circuit board 202 of surfing towards fan 149, or as shown in the figure, pushes cooling-air stream 204 to the board-like integrated printed circuit board of surfing 202 from fan 149.In addition, air intake and outlet are formed and think that cooling-air stream 204 provides access and outlet pathway on housing 102.
The parts of the integrated printed circuit board 202 that surfing is board-like are exposed.In other words, the integrated printed circuit board 202 that surfing is board-like not to encapsulate or is sealed in housing 102 and do not prevent fluid Receiving yaxd effect transistor 124 motor control unit 130 in housing 102.The exposure of the integrated printed circuit board 202 that surfing is board-like improves the heat management of parts wherein.Such as, cooling-air stream 204 can operate to arrive and cool field-effect transistor 124, makes field-effect transistor 124 in the operation of higher levels of current and the power level that motor 126 is early higher is operated, and producing the higher moment of torsion that also generation time is longer.
As shown in Fig. 8 A to Fig. 8 C, field-effect transistor 124 is arranged on the board-like integrated printed circuit board of surfing 202 with general flat direction.In contrast, the field-effect transistor 124 of electric tool 100 is arranged on first printed circuit board 138 with vertical direction.The board-like integrated printed circuit board 202 of surfing also has radiator 206 mounted thereto, and radiator 206 is positioned at the side contrary with field-effect transistor 124, to provide the cooling of field-effect transistor 124.Radiator 206 is thermally connected to field-effect transistor 124 and comprises fin 208, to improve the heat-sinking capability of radiator 206.In some cases, one or more extra radiator is arranged on the side identical with field-effect transistor 124, to make field-effect transistor 124 and the board-like integrated printed circuit board 202 of surfing between radiator 206 and a multiple extra radiator of work.One or more extra radiator heat is connected to field-effect transistor 124, to provide extra heat management.The light source 116 that the front portion 209 of the basal surface of the integrated printed circuit board 202 that surfing is board-like comprises and forwards/reverse switch 203 mounted thereto.Field-effect transistor 124 is arranged on the rear portion 210 of the basal surface of the board-like integrated printed circuit board of surfing 202.Radiator 206 is arranged on the rear portion 210 of the top surface of the board-like integrated printed circuit board of surfing 202.Hall element printed circuit board (PCB) 142 is above the board-like printed circuit board (PCB) of surfing 202 and combine with the board-like printed circuit board (PCB) 202 of surfing, is usually formed as inverted "T"-shaped.
In addition, the board-like integrated printed circuit board 202 of surfing is arranged on the top of electric tool 200 internal trigger 112 between two parties, but in the below of motor 126 and driving mechanism 148.Fig. 7 illustrates the region 211 above trigger 112 but below motor 126." below at motor " does not need below integrated printed circuit board 202 board-like for surfing being set directly at motor 126, contrary, but is arranged on the below of the line of the basal surface extension being parallel to motor 126.Therefore, the integrated printed circuit board 202 that the surfing of shortening is board-like does not extend at the rear of motor 126, partly directly arrange below sound of sighing motor 126 with the integrated printed circuit board 202 making surfing board-like, as shown in Figure 7, can still think " below at motor ".Similar, the integrated printed circuit board 202 that " top of trigger " does not need surfing board-like is set directly at the top of trigger, contrary, but is arranged in region 211.
Middle position allows wire relatively short between multiple assemblies of electric tool 200 to connect.In addition, the exposure of the surfboard plate 202 after merging, the character do not encapsulated make the tie point of the parts obtained on it have greater flexibility further.That is, wire directly can arrive the parts of the board-like integrated printed circuit board of surfing 202 usually, instead of by the inlet/outlet port of the restriction of an encapsulating housing, allows shorter and more direct wire to be connected.More specifically, the integrated printed circuit board 202 that surfing is board-like is near the terminal of Hall element printed circuit board (PCB) 142, light source 116, trigger 112, forwards/reverse switch 203 and motor 126.Such as, Fig. 8 A shows the short lead 212 connecting Hall element printed circuit board (PCB) 142 and the board-like integrated printed circuit board 202 of surfing.Wire 212 can be flexible or rigidity, and is usually connected to the mid portion of the board-like integrated printed circuit board of surfing 202.In addition, as shown in the figure, the length of wire 212 is less than the diameter of motor 126, is less than 1/4th of surfing board-like integrated printed circuit board 202 length, and is less than the diameter of Hall element circuit board 142.Although the top surface of the integrated printed circuit board 202 that surfing is board-like is arranged essentially parallel to the longitudinal axis of motor reel 158, the board-like integrated printed circuit board 202 of surfing tilts slightly downward relative to the output side of motor reel 158 angularly from motor side to electric tool 200.As shown in Fig. 6 to Fig. 7, the board-like integrated printed circuit board 202 of surfing has the angle being less than 5 degree slightly downward relative to motor reel 158.
In some embodiments, forward/rewind select button 110 comprises magnet mounted thereto, and the board-like integrated printed circuit board 202 of surfing comprises the forward/rewind hall sensor (not shown) being positioned at forwards/reverse switch 203 position.When forward/rewind select button 110 moves, forward/rewind hall sensor detects the motion of inserted magnet, and the position of instruction forward/rewind select button 110 or the signal of motion are supplied to motor control unit 130.
The board-like integrated printed circuit board 202 of surfing comprises typical component layouts.In some embodiments, multiple parts, such as one or more field-effect transistor 124, be arranged on the different part (such as, top surface instead of basal surface, front portion instead of rear portion etc.) of the board-like integrated printed circuit board of surfing 202.
In some embodiments, electric tool 200 is (non-hammer) boring/driving electric tool, and comprise similar electronic unit layout, housing, motor etc., but comprise different driving mechanisms 148, this driving mechanism 148 does not have block stamp mechanism.
Fig. 9 to Figure 11 illustrates brushless impact wrench electric tool 250, comprises and impacts output unit 252.Impact wrench is the another kind of type for generation of rotating the hand held electric tool exported, but comprises beater mechanism 254, and this beater mechanism 254 is different from the hammer driving mechanism 148 of electric tool 100 and 200.
Electric tool 250 comprises the layout similar to electric tool 200.More specifically, electric tool 250 comprises the housing 256 with handle portion 258 and motor case portion 260.Motor field frame does not cover motor 126 with 260 and is arranged on above handle portion 258.Handle portion 258 comprises the battery interface 114 for being connected to battery pack.In addition, electric tool 250 comprises the board-like integrated printed circuit board of surfing 202 and Hall element printed circuit board (PCB) 142.Relative to electric tool 100, the layout of electric tool 250 reduces the complexity of wiring and assembling.In addition, the compacter and effective layout of electric tool 250 can have extra flexibility in design, such as, by allowing the size and dimension of different handles and main body.Electric tool 250 is similarly numbered similar in appearance to the parts of electric tool 100, describes to simplify it.
Figure 12 to Figure 14 illustrates that brushless impact drives electric tool 270, comprises and impacts output unit 272.Impact the another kind of type that driving electric tool 270 is the hand held electric tool for generation of rotation output, comprise the beater mechanism 274 being similar to beater mechanism 254.In addition, electric tool 270 comprises the fixture 276 for being suspended on by electric tool 270 on various article (such as hook or tool waistband).
Electric tool 270 comprises the layout being similar to electric tool 200 and 250.More specifically, electric tool 270 comprises the housing 278 with handle portion 280 and motor case portion 282.Motor portion 282 covers motor 126 and is arranged on the top of handle portion 280.Handle portion 280 comprises the battery interface 114 for being connected to battery pack.In addition, electric tool 270 comprises the board-like integrated printed circuit board of surfing 202 and Hall element printed circuit board (PCB) 142.Relative to electric tool 100, the layout of electric tool 270 reduces the complexity of wiring and assembling.In addition, the compacter and effective layout of electric tool 270 can have extra flexibility in design, such as, by allowing the size and dimension of different handles and main body.Electric tool 270 is similarly numbered similar in appearance to the parts of electric tool 100, describes to simplify it.
Although the physical layout of the integrated printed circuit board 202 that electric tool 200,250 is board-like with the surfing in 270 can be similar at large, in each electric tool, the concrete software and hardware of motor control unit 130 and the grade of electronic unit and field-effect transistor 124 can be different and optimised.
Figure 15 illustrates another brushless impact wrench electric tool 300, comprises and impacts output unit 252 and beater mechanism 254, and have the battery pack 301 being connected to battery interface 114.Electric tool 300 is similarly numbered similar in appearance to the parts of electric tool 100, describes to simplify it.
The layout of electric tool 300 and the layout of electric tool 200,250 and 270 similar, compared with electric tool 100, reduce wiring and assembling complexity.But electric tool 300 has different PCB layouts, do not comprise the board-like integrated printed circuit board of surfing 202 in this set-up.Contrary, the board-like integrated printed circuit board 202 of surfing is arranged on (normally) on the ring-shaped P CB of motor.The independent PCB being similar to LED printed circuit board (PCB) 144 and the printed circuit board (PCB) 140 that advances/return can be arranged on electric tool 300, for comprising respectively and supporting light sources 116 and switch 203.
More specifically, as shown in figures 16 a and 16b, electric tool 300 comprises and is stacked on Hall on motor 126 and field-effect transistor printed circuit board (PCB) 302 and controls printed circuit board (PCB) 304, Hall and field-effect transistor printed circuit board (PCB) 302 have hole with control printed circuit board (PCB) 304, and motor reel 158 is through this hole.Hall and field-effect transistor printed circuit board (PCB) 302 are separated by pad 305 and control printed circuit board (PCB) 304.Hall and field-effect transistor printed circuit board (PCB) 302 comprise Hall element 128 and field-effect transistor 124, and control printed circuit board (PCB) 304 and comprise motor control unit 130.In addition, radiator 306, also has common circle or annular shape, is fixed on Hall and field-effect transistor printed circuit board (PCB) 302 and controls between printed circuit board (PCB) 304.Radiator 306 is typically used as takes away heat from field-effect transistor 124.
The details of Hall and field-effect transistor printed circuit board (PCB) 302 shown in Figure 17 a and Figure 17 b.Hall and field-effect transistor printed circuit board (PCB) 302 have the common annular shape in central authorities with through hole 308.Motor reel 158 and motor brush 309 (see as shown in Figure 21) are through through hole 308.Hall and field-effect transistor printed circuit board (PCB) 302 have two common flat mounting surface: first surface 310 (see Figure 17 A) and the second face 312 (see Figure 17 B).Field-effect transistor 124 is installed on Hall and field-effect transistor printed circuit board (PCB) 302 on flat direction.Similarly, control printed circuit board (PCB) 304 and there are through hole 314 and two common flat mounting surface: first surface 316 (see Figure 18 A) and the second face 318 (see Figure 18 B).Control printed circuit board (PCB) 304 and also comprise control printed circuit board (PCB) installing hole 319.Control printed circuit board (PCB) 304 and Hall and field-effect transistor printed circuit board (PCB) 302 to arrange coaxially about motor reel 158, and face 310,312,316 is usually parallel each other with 318.Printed circuit board (PCB) 302 and 304 is fixed on one end of motor 126.By field-effect transistor 124 is arranged on together with Hall element 128 be fixed on motor 126 one end signal Hall and field-effect transistor printed circuit board (PCB) 302 on, except can reducing the internal threads of electric tool, Hall and field-effect transistor printed circuit board (PCB) 302 can also receive a large amount of air stream 204 for cooling.
Hall and field-effect transistor printed circuit board (PCB) 302 also comprise Hall and field-effect transistor printed circuit board (PCB) installing hole 302, motor down-lead plate 322 and copper busbar 324.Copper busbar 324 allows additional space on Hall and field-effect transistor printed circuit board (PCB) 302 to follow the tracks of for other structure example such as heavy current.Therefore, copper busbar 324 redirect on Hall and field-effect transistor printed circuit board (PCB) 302, instead of take the space on Hall and field-effect transistor printed circuit board (PCB) 302.In alternate embodiments, the tracking on Hall and field-effect transistor printed circuit board (PCB) 302 is replaced by copper busbar 324.
Hall and field-effect transistor printed circuit board (PCB) installing hole 320 allow the metal Self-Clinching Standoffs 305 (see Figure 16 A to Figure 16 B) of radiator 306 through Hall and field-effect transistor printed circuit board (PCB) 302.Metal Self-Clinching Standoffs 305 provides space between printed circuit board (PCB) 302 and 304, and allows control printed circuit board (PCB) 304 to be connected to radiator 306.Metal Self-Clinching Standoffs 305 receives and controls printed circuit board (PCB) mounting screw, and this control printed circuit board (PCB) mounting screw is inserted through the installing hole 319 of control printed circuit board (PCB) 304 so that control printed circuit board (PCB) 304 is fixed on radiator 306.In some embodiments, control printed circuit board (PCB) mounting screw and control printed circuit board (PCB) 304 and Hall and field-effect transistor printed circuit board (PCB) 302 are fixed on radiator 306.
In addition, in some embodiments, Hall and field-effect transistor printed circuit board (PCB) installing hole 320 may be used for allowing the metal Self-Clinching Standoffs 305 of radiator 306 through Hall and field-effect transistor printed circuit board (PCB) 302, and Hall and field-effect transistor printed circuit board (PCB) 302 are fixed on radiator.Hall and field-effect transistor printed circuit board (PCB) 302 are fixed on tightly radiator 326 to allow more easily to be dispersed to radiator 306 from the heat of Hall and field-effect transistor printed circuit board (PCB) 302, and make Hall and the minimum vibration between field-effect transistor printed circuit board (PCB) 302 and motor 126.In other embodiments of the present invention, the number of installing hole 319 and 320 and its position on printed circuit board (PCB) 302 and 304 are changeable.In addition, in other implementations, the conventional shape of PCB302 and 304 is changeable.
Figure 19 A to Figure 19 G illustrates process motor 126, Hall and field-effect transistor printed circuit board (PCB) 302 and radiator 306 linked together.Figure 19 A illustrates the motor stator 330 of motor 126, and this motor stator has the plastic end cover 332 and 334 in its every one end of difference and departs from six motor lead lines 336 of plastic end cover 334.Lead line supporting structure 338 is a part for plastic end cover 334, and will be used for guiding motor lead line 336 suitably, will explain below.Figure 19 B illustrates the radiator 306 be positioned on the plastic end cover 334 of motor stator 330.In some embodiments, the metal Self-Clinching Standoffs 305 of radiator 306 may be used for installing and controls printed circuit board (PCB) 304 and/or locate Hall and field-effect transistor printed circuit board (PCB) 302.
Figure 19 C illustrates the radiator 306 being fixed on motor stator 330 by radiator mounting screw 340.Radiator mounting clamp 342 is connected to the end of motor stator 33, and this end is relative with the one end connecting radiator 306.Self-Clinching Standoffs installed by radiator mounting screw 340 and the radiator of radiator 306 and radiator mounting clamp 342 is threadedly engaged, so that radiator 306 is fixed on motor stator 330.In some embodiments, the quantity of radiator installing component and position are changeable.
After fixed heat sink 306, motor lead line 336 is bent downwardly to be arranged in lead line supporting structure 338 as shown in fig. 19d.Before being welded in Hall and field-effect transistor printed circuit board (PCB) 302, be wound around around lead line supporting structure 338 pressure that motor lead line 336 alleviates motor lead line 336.In some embodiments, can use glue that motor lead line 336 is fixed on radiator 306.
Figure 19 E illustrates the heat-radiator plate 334 being positioned at radiator 306 top.These features allow heat-radiator plate 306 to make metal heat sink 306 and Hall and field-effect transistor printed circuit board (PCB) 302 electric isolution, still allow to distribute heat from Hall and field-effect transistor printed circuit board (PCB) 302 by radiator 306 simultaneously.
Figure 19 F illustrates the Hall and field-effect transistor printed circuit board (PCB) 302 that are arranged on heat-radiator plate 344 and radiator 306 top.Motor lead line 336 aligns with motor lead line plate 322, and the metal of radiator 306 presses, borded pile 305 is through Hall and field-effect transistor printed circuit board (PCB) installing hole 320.In order to ensure Hall and the connection between field-effect transistor printed circuit board (PCB) 302 and radiator 306, downward active force is applied to Hall and field-effect transistor printed circuit board (PCB) 302.
As shown in Figure 19 G, motor lead line 336 is welded in motor lead line plate 322 to form pad 345, motor lead line 336 is not only connected to Hall and field-effect transistor printed circuit board (PCB) 302 by pad 345, and is connected together by these two component physicals.After formation pad 345, cut off motor lead line 336 near motor lead line plate 332.As mentioned above, except pad 345, Hall and field-effect transistor printed circuit board (PCB) 302 can be fixed on radiator (radiator 306 is fixed on motor 126) by Hall and field-effect transistor printed circuit board (PCB) mounting screw.
After Hall and field-effect transistor printed circuit board (PCB) 302 are fixed to the combination of motor 126 and radiator 306, control printed circuit board (PCB) 304 with at radiator 306 with control Hall between printed circuit board (PCB) 304 be fixed on radiator 306 together with field-effect transistor printed circuit board (PCB) 302.Control printed circuit board (PCB) 304 and be fixed on radiator 306 by the control printed circuit board (PCB) mounting screw be contained in Self-Clinching Standoffs 305.
Figure 20 illustrates one end relative with the one end with Hall and field-effect transistor printed circuit board (PCB) 302 of motor stator 330.This view of motor stator 330 illustrates that wires cross designs, the wire after winding plastic end cap 332.Being wound around around plastic end cover 332 by the wire of motor stator 330 allows it to move 180 degree from motor stator 330 point to relative point in an efficient way.The lead-in wire 346 be wound around around motor stator 330 is positioned at the top of jib part 348, and the radial outside of link part 349 for upwards extending from jib part 348.As shown in the figure, three lead-in wires are not arranged on identical circumferential position and stacking along jib part 348 in dots.On the contrary, two stacking whole length of the height of link part 349 and motor stator 330 that at least make of lead-in wire reduce.
In some embodiments, control printed circuit board (PCB) 304 and be not in relation to motor reel 158 to arrange near Hall and field-effect transistor printed circuit board (PCB) 302, and metal Self-Clinching Standoffs 305 is not also through Hall and field-effect transistor printed circuit board (PCB) 302.On the contrary, the length of metal Self-Clinching Standoffs 305 reduces that metal Self-Clinching Standoffs 305 is terminated on the surface of Hall and field-effect transistor printed circuit board (PCB) 302.The metal Self-Clinching Standoffs 305 reduced no longer provides effective interval, thus accommodation Hall and field-effect transistor printed circuit board (PCB) mounting screw are to be fixed on the combination of radiator 306 and motor 126 by Hall and field-effect transistor printed circuit board (PCB) 302, as shown in Figure 21.
In embodiments, control printed circuit board (PCB) 304 does not close on Hall and field-effect transistor printed circuit board (PCB) 302 is arranged, and controls printed circuit board (PCB) 304 and can refer to as controlled printed circuit board (PCB) 304a.Control printed circuit board (PCB) 304a can be arranged on the multiple positions in electric tool 300.Hall and field-effect transistor printed circuit board (PCB) 302 are connected to by cable connector 350 and ribbon cable (not shown) and control printed circuit board (PCB) 304a.
Figure 22 A to Figure 22 C illustrates the typical position that may arrange at electric tool 300 internal control printed wiring board using them 304a.In Figure 22 A, be similar to the first printed circuit board 138 of electric tool 100, control the handle portion 258 that printed circuit board (PCB) 304a is positioned at electric tool 300.In Figure 22 B, be similar to the board-like integrated printed circuit board of surfing 202, control the top that printed circuit board (PCB) 304a is positioned at trigger 112 and handle portion 258, and in the below of motor 126 and beater mechanism 254.In Figure 22 C, be similar to the control printed circuit board (PCB) 136 of electric tool 100, control printed circuit board (PCB) 304a and be positioned at the below of handle portion 258 and be positioned at the top of battery interface 114.
Although describe Figure 15 to Figure 22 about impact wrench power tool 300, but described layout and motor are assemblied in and may be embodied as multiple in other type of power tool, such as hammerless electric tool, hammer hole/drive electric tool (see such as Fig. 1 to Fig. 9) and impacting of holing/drive drives electric tool (see such as Figure 12 to Figure 14).
Above-mentioned electric tool (such as electric tool 200,250,270 and 300) is described as wireless battery powered instrument.For providing the battery pack (such as battery pack 302) of power to be such as 18 volt lithium ion type batteries for these electric tools, although the battery pack with other battery characteristics, shape, electric pressure etc. may be used in other embodiments.In some embodiments, these electric tools are the AC electrical instrument of rope system.Such as, electric tool comprises AC power substituting battery interface 114 and the battery pack that rope is connected to generator-transformer unit, to determine and to change the parts of AC power for electric tool.These AC electrical instruments can also comprise one in the above-mentioned layout of comprised in the board-like integrated printed circuit board layout of surfing and annular PCB layout.
Therefore, in addition, the invention provides a kind of layout designs and assembling of brushless electric tool.Various features of the present invention and beneficial effect are by appended claim openly.
Claims (20)
1. an electric tool, wherein, comprising:
Housing;
Brushless direct current motor, this brushless direct current motor is arranged in described housing, and has rotor and stator, and wherein said rotor is connected to motor reel and exports to produce to rotate;
Radiator, this radiator is fixed on one end of described brushless direct current motor;
Integrated printed circuit board, this integrated printed circuit board has Hall element, power switch parts and through hole, and wherein, described integrated printed circuit board is connected to described radiator, and
Wherein, described motor reel extends through described through hole; And
Control printed circuit board (PCB), this control printed circuit board (PCB) has motor control unit, and this motor control unit receives the positional information from the motor of described Hall element, and controls described power switch parts to drive described brushless direct current motor.
2. electric tool according to claim 1, wherein, described radiator has the second through hole, and described motor reel extends through this second through hole.
3. electric tool according to claim 1, wherein, also comprises:
Screw thread Self-Clinching Standoffs on described radiator;
First installing hole, this first installing hole is arranged on described integrated printed circuit board, and described screw thread Self-Clinching Standoffs inserts described first installing hole;
Second installing hole, this second installing hole is arranged on described control printed circuit board (PCB), and described second installing hole aligns with described first installing hole and described screw thread Self-Clinching Standoffs; And
Mounting screw, this mounting screw is contained in described first installation through hole and second and installs in through hole and described screw thread Self-Clinching Standoffs, and described mounting screw is fixed on described screw thread Self-Clinching Standoffs so that described control printed circuit board (PCB) and described integrated printed circuit board are fixed on described radiator.
4. electric tool according to claim 3, wherein, the diameter of described screw thread Self-Clinching Standoffs is greater than the diameter of described second installing hole.
5. electric tool according to claim 3, wherein, described screw thread Self-Clinching Standoffs is metal.
6. electric tool according to claim 1, wherein, described control printed circuit board (PCB) is fixed on described radiator, and has third through-hole, and described motor reel extends through described third through-hole.
7. electric tool according to claim 1, wherein, described electric tool also comprises output unit, this output unit is connected to described motor reel and exports with the rotation producing described hull outside, and wherein said integrated printed circuit board is arranged between described control printed circuit board (PCB) and output unit.
8. electric tool according to claim 1, wherein, described control printed circuit board (PCB) be arranged on be arranged in described instrument handle portion below the terminal block part of described instrument, described handle portion and the position above the trigger of described electric tool and below described brshless DC motor one on.
9. electric tool according to claim 1, wherein, described electric tool is the one that hammer is holed/driven in electric tool, boring/driving electric tool, impact driving electric tool and impact wrench electric tool.
10. electric tool according to claim 1, wherein, described electric tool also comprises fan, this fan is arranged on the rear end relative with the one end being fixed with described radiator of described brushless direct current motor, wherein, described fan rotates by described brushless direct current motor to produce cooling-air stream in the housing of described electric tool.
11. 1 kinds of electric tools, wherein, comprising:
Housing;
Brushless direct current motor, this brushless direct current motor is arranged in described housing, and has rotor and stator, and wherein said rotor is connected to motor reel and exports to produce to rotate;
Output unit, this output unit is connected to described motor reel and exports to provide the rotation of described hull outside;
Integrated printed circuit board, this integrated printed circuit board has Hall element, power switch parts and through hole, wherein, described integrated printed circuit board is arranged between described brushless direct current motor and described output unit, and wherein said motor reel extends through described through hole; And
Control printed circuit board (PCB), this control printed circuit board (PCB) has motor control unit, and this motor control unit receives the positional information from the motor of described Hall element, and controls described power switch parts to drive described brushless direct current motor.
12. electric tools according to claim 11, wherein, described control printed circuit board (PCB) has the second through hole, and described motor reel extends through described second through hole.
13. electric tools according to claim 11, wherein, described control printed circuit board (PCB) be arranged on be arranged in described instrument handle portion below the terminal block part of described instrument, described handle portion and the position above the trigger of described electric tool and below described brshless DC motor one on.
14. electric tools according to claim 11, wherein, radiator is arranged between described brushless direct current motor and described integrated printed circuit board.
15. electric tools according to claim 14, wherein, described radiator has third through-hole, and described motor reel extends through described third through-hole.
16. electric tools according to claim 11, wherein, described electric tool also comprises fan, this fan is arranged on the rear end relative with described integrated printed circuit board of described brushless direct current motor, wherein, described fan rotates by described brushless direct current motor to produce cooling-air stream in described housing.
17. electric tools according to claim 11, wherein, described electric tool is the one that hammer is holed/driven in electric tool, boring/driving electric tool, impact driving electric tool and impact wrench electric tool.
18. electric tools according to claim 11, wherein, described electric tool also comprises:
Radiator, this radiator is fixed on one end of described brushless direct current motor;
Screw thread Self-Clinching Standoffs, this screw thread Self-Clinching Standoffs is arranged on described radiator;
First installing hole, this first installing hole is arranged on described integrated printed circuit board, and described screw thread Self-Clinching Standoffs inserts and passes described first installing hole;
Second installing hole, this second installing hole is arranged on described control printed circuit board (PCB), and described second installing hole aligns with described first installing hole and described screw thread Self-Clinching Standoffs; And
Mounting screw, this mounting screw is contained in described first installation through hole and second and installs in through hole and described screw thread Self-Clinching Standoffs, and described mounting screw is fixed on described screw thread Self-Clinching Standoffs so that described control printed circuit board (PCB) and described integrated printed circuit board are fixed on described radiator.
19. electric tools according to claim 18, wherein, the diameter of described screw thread Self-Clinching Standoffs is greater than the diameter of described second installing hole.
20. electric tools according to claim 18, wherein, described screw thread Self-Clinching Standoffs is metal.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261684982P | 2012-08-20 | 2012-08-20 | |
| US61/684982 | 2012-08-20 | ||
| US13/841,246 US9450471B2 (en) | 2012-05-24 | 2013-03-15 | Brushless DC motor power tool with combined PCB design |
| US13/841246 | 2013-03-15 | ||
| PCT/US2013/055587 WO2014031539A1 (en) | 2012-08-20 | 2013-08-19 | Brushless dc motor power tool with combined pcb design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204658374U true CN204658374U (en) | 2015-09-23 |
Family
ID=50150327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201390000513.1U Expired - Lifetime CN204658374U (en) | 2012-08-20 | 2013-08-19 | There is the brushless direct current motor electric tool of integrated printed circuit board design |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN204658374U (en) |
| AU (1) | AU2013306054B2 (en) |
| WO (1) | WO2014031539A1 (en) |
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| CN107053095A (en) * | 2015-11-25 | 2017-08-18 | 松下知识产权经营株式会社 | Electric tool |
| WO2018053729A1 (en) * | 2016-09-21 | 2018-03-29 | Tti (Macao Commercial Offshore) Limited | Improved heat sink and heat dissipation structure |
| WO2018171500A1 (en) * | 2017-03-23 | 2018-09-27 | 博世电动工具（中国）有限公司 | Electric tool and circuit board assembly thereof |
| CN108880088A (en) * | 2017-05-15 | 2018-11-23 | 布里格斯斯特拉顿公司 | Miniature electric power head |
| CN109510530A (en) * | 2017-09-15 | 2019-03-22 | 德丰电创科技股份有限公司 | Electrical switching unit for controlling the operation of a DC motor of an electrical apparatus |
| CN110238801A (en) * | 2018-03-09 | 2019-09-17 | 施耐宝公司 | Grip support module |
| CN111247727A (en) * | 2017-05-27 | 2020-06-05 | 余姚市爱优特电机有限公司 | Self-contained brushless motor and brushless controller |
| WO2020119767A1 (en) * | 2018-12-12 | 2020-06-18 | 南京德朔实业有限公司 | Reciprocating saw |
| CN111835153A (en) * | 2019-04-23 | 2020-10-27 | 擎声自动化科技（上海）有限公司 | Motor with PCB stator |
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| WO2022105217A1 (en) * | 2020-11-17 | 2022-05-27 | 施照军 | Motor module and electric tool applying same |
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| US20150280515A1 (en) | 2014-03-28 | 2015-10-01 | Black & Decker Inc. | Integrated Electronic Switch and Control Module for a Power Tool |
| JP2015223637A (en) * | 2014-05-26 | 2015-12-14 | 株式会社マキタ | Electric power tool |
| JP6417250B2 (en) * | 2015-03-20 | 2018-10-31 | 株式会社マキタ | Electric tool |
| US10541588B2 (en) | 2017-05-24 | 2020-01-21 | Black & Decker Inc. | Electronic power module for a power tool having an integrated heat sink |
| US10998797B2 (en) | 2017-12-19 | 2021-05-04 | Tti (Macao Commercial Offshore) Limited | Electric motor assembly including end cap having heat sink for heat-generating electrical component |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10212721A1 (en) * | 2001-03-24 | 2002-09-26 | Marquardt Gmbh | Control device for brushless DC motor in battery-operated electric handtool has power semiconductors mounted directly or indirectly on control circuit printed circuit board |
| EP2296848A2 (en) * | 2008-05-29 | 2011-03-23 | Hitachi Koki CO., LTD. | Electric power tool |
| JP5512110B2 (en) * | 2008-09-26 | 2014-06-04 | 株式会社マキタ | Electric tool |
| JP5309920B2 (en) * | 2008-11-19 | 2013-10-09 | 日立工機株式会社 | Electric tool |
| JP4811749B2 (en) * | 2009-06-24 | 2011-11-09 | 株式会社デンソー | Drive device |
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2013
- 2013-08-19 WO PCT/US2013/055587 patent/WO2014031539A1/en active Application Filing
- 2013-08-19 CN CN201390000513.1U patent/CN204658374U/en not_active Expired - Lifetime
- 2013-08-19 AU AU2013306054A patent/AU2013306054B2/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107053095A (en) * | 2015-11-25 | 2017-08-18 | 松下知识产权经营株式会社 | Electric tool |
| WO2018053729A1 (en) * | 2016-09-21 | 2018-03-29 | Tti (Macao Commercial Offshore) Limited | Improved heat sink and heat dissipation structure |
| WO2018171500A1 (en) * | 2017-03-23 | 2018-09-27 | 博世电动工具（中国）有限公司 | Electric tool and circuit board assembly thereof |
| CN108880088A (en) * | 2017-05-15 | 2018-11-23 | 布里格斯斯特拉顿公司 | Miniature electric power head |
| CN111247727A (en) * | 2017-05-27 | 2020-06-05 | 余姚市爱优特电机有限公司 | Self-contained brushless motor and brushless controller |
| CN111247727B (en) * | 2017-05-27 | 2021-10-08 | 余姚市爱优特电机有限公司 | Self-contained brushless motor and brushless controller |
| CN109510530A (en) * | 2017-09-15 | 2019-03-22 | 德丰电创科技股份有限公司 | Electrical switching unit for controlling the operation of a DC motor of an electrical apparatus |
| US10848084B2 (en) | 2017-09-15 | 2020-11-24 | Defond Electech Co., Ltd. | Brushless DC motor control unit |
| CN109510530B (en) * | 2017-09-15 | 2021-03-02 | 德丰电创科技股份有限公司 | Electrical switching unit for controlling the operation of a DC motor of an electrical apparatus |
| CN110238801A (en) * | 2018-03-09 | 2019-09-17 | 施耐宝公司 | Grip support module |
| WO2020119767A1 (en) * | 2018-12-12 | 2020-06-18 | 南京德朔实业有限公司 | Reciprocating saw |
| CN111835153A (en) * | 2019-04-23 | 2020-10-27 | 擎声自动化科技（上海）有限公司 | Motor with PCB stator |
| TWI714479B (en) * | 2020-03-19 | 2020-12-21 | 車王電子股份有限公司 | Brushless motor assembly |
| WO2022105217A1 (en) * | 2020-11-17 | 2022-05-27 | 施照军 | Motor module and electric tool applying same |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2013306054B2 (en) | 2017-10-12 |
| WO2014031539A1 (en) | 2014-02-27 |
| AU2013306054A1 (en) | 2015-01-22 |
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| CX01 | Expiry of patent term |
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