CN117353606A - Electric tool and control method - Google Patents

Electric tool and control method Download PDF

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Publication number
CN117353606A
CN117353606A CN202311107006.4A CN202311107006A CN117353606A CN 117353606 A CN117353606 A CN 117353606A CN 202311107006 A CN202311107006 A CN 202311107006A CN 117353606 A CN117353606 A CN 117353606A
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CN
China
Prior art keywords
motor
working
control unit
preset
parameters
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.)
Pending
Application number
CN202311107006.4A
Other languages
Chinese (zh)
Inventor
季文益
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Dongcheng Tools Technology Co Ltd
Original Assignee
Jiangsu Dongcheng Tools Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Dongcheng Tools Technology Co Ltd filed Critical Jiangsu Dongcheng Tools Technology Co Ltd
Priority to CN202311107006.4A priority Critical patent/CN117353606A/en
Publication of CN117353606A publication Critical patent/CN117353606A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/08—Arrangements for controlling the speed or torque of a single motor
    • H02P6/085—Arrangements for controlling the speed or torque of a single motor in a bridge configuration
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/14—Estimation or adaptation of motor parameters, e.g. rotor time constant, flux, speed, current or voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/14—Electronic commutators
    • H02P6/16—Circuit arrangements for detecting position
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/24—Arrangements for stopping

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electric Motors In General (AREA)

Abstract

The invention discloses an electric tool and a control method, wherein the electric tool comprises: the control unit is used for controlling the motor to work with preset working parameters and detecting the working parameters of the motor in real time when detecting that the change of the working parameters meets preset conditions, controlling the motor to stop when the control unit stores the working parameters of the motor from the beginning of working to the stopping of the motor, and when the motor begins to work, the corresponding working device is located at an initial position, and controlling the motor to stop after working with the set working parameters according to the set working parameters. According to the invention, through setting the learning mode, a user can set the working device to the limit stroke when the tool cannot meet the required working stroke, so that the user requirement is met, the tool utilization rate is high, and the experience is good.

Description

Electric tool and control method
[ field of technology ]
The present invention relates to power tools and control methods, and more particularly, to a power tool and control method capable of selecting multiple modes.
[ background Art ]
The prior electric tool needs a sensor to perform work limiting or position detection, such as an electric shears, a pruning shears, a pipe shears, a rivet gun and the like, and takes the electric shears as an example, the tool is a tool which is driven by a motor to reciprocate and open and close a front end tool bit, the prior electric shears use a Hall sensor to fix a closing position and an opening position which can be sheared by the tool bit, and the tool bit moves between the closing position and the opening position, but because the service time is long, the size of a tool part, the position of the Hall sensor and the like can be different, the opening position of the tool bit is possibly deviated, the maximum opening angle is not reached, the normal shearing is not realized, the utilization rate of the tool is low, and the experience feeling is poor.
Therefore, it is necessary to design an electric tool and a control method for improving the tool utilization and experience to solve the above problems.
[ invention ]
Aiming at the defects of the prior art, the invention aims to provide an electric tool and a control method for improving the utilization rate and experience of the tool.
The invention solves the problems in the prior art by adopting the following technical scheme: a power tool, comprising: the device comprises a shell, a working device, a switch, a motor and a control unit, wherein the working device and the switch are arranged on the shell, the motor and the control unit are accommodated in the shell, the control unit is electrically connected with the motor, the motor receives an instruction of the control unit to drive the working device to move, and an operation unit is arranged on the shell; when the electric tool is in a learning mode, the switch is operated, the control unit controls the motor to work with preset working parameters, and the working parameters of the motor are detected in real time; when the control unit detects that the change of the working parameters meets preset conditions, the control unit controls the motor to stop, the control unit stores the working parameters of the motor from the start of working to the stop, and the motor is located at an initial position corresponding to the working device when the motor starts to work; and the control unit generates a set operation parameter according to the operation parameter and controls the motor to stop after working with the set operation parameter.
The further improvement scheme is as follows: the working parameters comprise working current and/or rotating speed of the motor, and the preset conditions comprise that the working current is larger than the preset working current within preset time and/or the rotating speed is smaller than the preset rotating speed within preset time.
The further improvement scheme is as follows: the operation parameters comprise the rotation number of the motor, and the set operation parameters are the rotation number minus the preset number.
The further improvement scheme is as follows: the electric tool further comprises a sensor device arranged opposite to the working device, and the controller controls the motor to stop when the motor drives the working device to the position of the sensor device when the electric tool is in a normal working mode.
The further improvement scheme is as follows: the distance from the initial position of the working device to the sensor device is smaller than the distance from the initial position of the working device to the position when working with the set operating parameters.
The further improvement scheme is as follows: the operation unit comprises an operation button and a prompting unit, and the prompting unit comprises an indicator lamp and/or a buzzer so as to prompt when the normal working mode and the learning mode are switched.
The further improvement scheme is as follows: the preset operating parameters include no-load operating current or no-load rotational speed.
The invention solves the problems in the prior art and can also adopt the following technical scheme: a control method of an electric tool, the electric tool comprising: the device comprises a shell, a working device, a switch, a motor and a control unit, wherein the working device and the switch are arranged on the shell, the motor and the control unit are accommodated in the shell, the control unit is electrically connected with the motor, the motor receives an instruction of the control unit to drive the working device to move, and an operation unit is arranged on the shell; when the electric tool is in a learning mode, the switch is operated, the control unit controls the motor to work with preset working parameters, and the working parameters of the motor are detected in real time; when the control unit detects that the change of the working parameters meets preset conditions, the control unit controls the motor to stop, the control unit stores the working parameters of the motor from the start of working to the stop, and the motor is located at an initial position corresponding to the working device when the motor starts to work; and the control unit generates a set operation parameter according to the operation parameter and controls the motor to stop after working with the set operation parameter.
The further improvement scheme is as follows: the working parameters comprise working current and/or rotating speed of the motor, and the preset conditions comprise that the working current is larger than the preset working current within preset time and/or the rotating speed is smaller than the preset rotating speed within preset time.
The further improvement scheme is as follows: the operation parameters comprise the rotation number of the motor, and the set operation parameters are the rotation number minus the preset number.
Compared with the prior art, the invention has the following beneficial effects: the electric tool is provided with a learning mode, the control unit controls the motor to work with preset working parameters and detects the working parameters of the motor in real time, when the change of the working parameters is detected to meet preset conditions, the control unit controls the motor to stop, and stores the working parameters of the motor when the motor starts working to stop, the corresponding working device is located at an initial position when the motor starts working, the set working parameters are generated according to the working parameters, the motor is controlled to stop after the set working parameters work, through the learning mode, a user can set the working device to a limit stroke when the tool cannot meet the required working stroke, so that the user requirement is met, the tool utilization rate is high, and the experience is good.
[ description of the drawings ]
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings:
FIG. 1 is a block diagram of a power tool of the present invention;
FIG. 2 is a cross-sectional view of the power tool of the present invention;
fig. 3 is a circuit diagram of the power tool of the present invention.
Meaning of reference numerals in the drawings: 100. electric tool 101, housing 1, battery 2, working device 21, moving blade 22, stationary blade 3, switch 4, motor 5, transmission 51, reduction gearbox assembly 52, sector gear transmission 53, magnetic element 6, control 7, hall circuit board 71, closing limit hall element 8, operation unit 81, operation button 82, normal operation mode indicator lamp 83, learning mode indicator lamp 84, buzzer
[ detailed description ] of the invention
The terminology used in the present invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Words such as "upper", "lower", "front", "rear", etc., indicating an azimuth or a positional relationship are based on only the azimuth or the positional relationship shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the apparatus/elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
The invention will be described in further detail with reference to the drawings and embodiments.
Referring to fig. 1 to 3, an electric tool 100 according to the present invention is shown, in this embodiment, the electric tool 100 is an electric shears, which is widely used in the field of garden trimming, etc., however, the electric tool 100 may be another tool that works reciprocally, such as a pipe shears, a rivet gun, etc. The electric tool 100 includes a housing 101, a battery 1 mounted on the housing 101, a working device 2 and a switch 3 located in the housing 101, a motor 4 accommodated in the housing 101, a transmission device 5 and a control unit 6, wherein the motor 4 is connected to the working device 2 through the transmission device 5, the control unit 6 is electrically connected to the motor 4, and the motor 4 receives an instruction of the control unit 6 to drive the working device 2 to perform reciprocating shearing motion, and in this embodiment, the motor 4 is a brushless dc motor.
The motor 4 is mounted at the rear end of the transmission device 5, and a pinion (not shown) at the front end of an output shaft of the motor 4 is engaged with the transmission device 5. The transmission device 5 comprises a reduction gearbox assembly 51, a sector gear transmission device 52 connected to the reduction gearbox assembly 51 and a magnetic element 53 arranged on the sector gear transmission device 52. The working device 2 comprises a movable blade 21 and a static blade 22, the static blade 22 is fixedly connected with the shell 101, one end of the movable blade 21 is connected with the sector gear transmission device 52, the sector gear transmission device 52 drives the movable blade 21 to reciprocate under the rotation of the motor 4, so that the movable blade 21 can reciprocate relatively to the static blade 22, the electric tool 100 further comprises a Hall circuit board 7 positioned near the sector gear transmission device 52, the Hall circuit board 7 is provided with a sensor device which is arranged relatively to the working device 2, the sensor device comprises an opening limit Hall element (not shown) and a closing limit Hall element 71, and when the magnetic element 53 of the sector gear transmission device 52 swings to reach the Hall element position, the movable blade 21 reaches the opening and closing maximum limit position, namely, the movable blade 21 stops when reaching the maximum limit position.
The electric tool 100 further includes an operation unit 8 mounted on the housing 101 and connected to the control unit 6, the operation unit 8 includes an operation button 81 and a prompting unit connected to the control unit 6, in this embodiment, the operation unit 8 may switch between a normal operation mode and a learning mode, the control unit 6 controls to switch between the normal operation mode and the learning mode by operating the operation button 81, and the prompting unit includes an indicator light and/or a buzzer 84 to prompt when switching between the normal operation mode and the learning mode. When the motor 4 drives the working device 2 to the sensor device position while the power tool 100 is in the normal operation mode, the control unit 6 controls the motor 4 to stop. Wherein the sensor means defines the maximum limit position of the working means 2 to open and close, but normally the sensor means is positioned with a margin, i.e. the working means 2 is left with a margin from the sensor means to the abutment to the housing 101.
When the electric tool 100 is in the learning mode, the switch 3 is operated, the control unit 6 controls the motor 4 to work with preset working parameters, and detects the working parameters of the motor 4 in real time, when the control unit 6 detects that the change of the working parameters meets the preset conditions, the control unit 6 controls the motor 4 to stop, and the control unit 6 stores the working parameters of the motor 4 when the motor 4 starts to work to stop, and the motor 4 corresponds to the working device 2 in an initial position when the motor 4 starts to work, that is, the working device 2 is in a closed position, and the control unit 6 generates set working parameters according to the working parameters and controls the motor 4 to stop after working with the set working parameters. The preset operating parameters include an idle operating current or an idle rotation speed, the operating parameters include an operating current and/or a rotation speed of the motor 4, and the preset conditions include that the operating current is greater than the preset operating current for a predetermined time and/or the rotation speed is less than the preset rotation speed for a predetermined time. The operation parameters include the number of turns of the motor 4, the set operation parameters are the number of turns minus a preset number of turns, and the operation parameters may also include the opening time of the working device 2 to the stop position. When the motor 4 starts to work, the working device 2 is located at an initial position, the distance from the initial position to the sensor device of the working device 2 is smaller than the distance from the initial position to the position when the working device 2 works with a set operation parameter, when the electric tool 100 cannot meet the user requirement, that is, when the size of a tool part, the position of a hall sensor and the like are different, deviation exists in the open position of the working device 2, when the working device 2 cannot be opened to a required position, the allowance stroke between the sensor device and the shell 101 can be fully utilized through the setting of a learning mode, meanwhile, the electric tool 100 cannot be damaged, the tool utilization rate is high, and the experience is good.
In the electric tool 100 according to the embodiment of the present invention, the motor operating parameter is the number of rotations of the motor 4, and the number of rotations is the number of rotations required by the motor 4 from the closed position of the movable blade 21 and the fixed blade 22 to the final open position of the movable blade 21 and the fixed blade 22. The prompting unit comprises a normal working mode indicator lamp 82, a learning mode indicator lamp 83 and a buzzer 84. The specific operations include: when the battery switch is pressed down, the electric tool 100 is powered on, the working device 2 is in an initial position, namely a closed position, and at the moment, the electric tool 100 defaults to a normal working mode, and the normal working mode indicator lamp 82 is lightened; pressing the switch 3 twice, unlocking the electric tool 100, pressing the switch 3 again, controlling the motor 4 to start working by the control unit 6, opening the movable blade 21 from an initial position to the opening limit Hall element position, and stopping the motor 4 by the control unit 6; and when the user presses and releases the switch 3 again to perform the shearing operation, the control unit 6 controls the working device 2 to open to close and then open to the opening limit hall element position.
If a learning mode is set when the electric tool 100 is just started to be used, namely, the switch 3 of the battery 1 is pressed, the electric tool 100 is powered on, the working device 2 is at an initial position, namely, a closed position, the electric tool 100 defaults to a normal working mode, and if the operation button 81 is operated, the electric tool 100 enters the learning mode at this time, and the learning mode indicator lamp 83 is turned on; pressing the switch 3 twice, the electric tool 100 is unlocked, the switch 3 is pressed again and loosened, the control unit 6 controls the motor 4 to work with preset working parameters, namely controls the motor 4 to work with idle working current, the motor 4 drives the movable blade 21 to open from an initial position, the control unit 6 detects the working current of the motor 4, judges whether the working current meets preset conditions, namely when the movable blade 21 starts to be pressed against the shell 101, the working current rises, and the control unit 6 detects that the working current is larger than the preset working current within preset time, for example, 105% of the idle working current is larger than the idle working current within 10ms, and judges that the movable blade 21 reaches a limit position; or the control unit 6 detects the motor rotation speed, and judges that the movable blade 21 reaches the limit position when the motor rotation speed is detected to be smaller than the preset rotation speed within the preset time, for example, smaller than 95% of the idle rotation speed within 10 ms; or judging the working current and the motor rotation speed at the same time, when judging that the movable blade 21 reaches the limit position, the control unit 6 controls the motor 4 to stop and stores the rotation number of the motor 4 from the start of working to the stop of the movable blade 21, the control unit 6 stores the preset rotation number subtracted by the rotation number as a set rotation number, at the moment, the learning mode is set, and the control unit 6 controls the buzzer 84 to sound for reminding a user of the completion of the setting of the learning mode; the user presses the switch 3 again, the motor 4 drives the movable blade 21 to be closed, when the switch 3 is released, the control unit 6 controls the motor 4 to rotate for a set number of turns and then controls the motor 4 to stop, at this time, the movable blade 21 opens to a limit position, and the distance from the initial position to the opening limit Hall element of the movable blade 21 is smaller than the distance from the initial position to the position when the working device 2 works with the set number of turns.
If a learning mode is set in a normal operation mode, that is, when the working device 2 is in an open state, the operation button 81 is operated, and at this time, the electric tool 100 enters the learning mode, and the learning mode indicator lamp 83 is turned on; pressing the switch 3 again, the control unit 6 controls the motor 4 to work with preset working parameters, namely controls the motor 4 to work with idle working current, and the motor 4 drives the movable blade 21 to close from the position of the opening limit Hall element to the position of the closing limit Hall element 71; when the closing limit hall element 71 detects the movable blade 21, that is, the working device 2 reaches an initial position, and starts to enter a learning mode, when the switch 3 is released, the motor 4 drives the movable blade 21 to open from the initial position, the control unit 6 detects the working current of the motor 4, and judges whether the working current meets a preset condition, that is, when the movable blade 21 starts to be pressed against the housing 101, the working current rises, and when the working current is larger than a preset working current within a preset time, for example, when the working current is larger than 105% of the idle working current within 10ms, the control unit 6 judges that the movable blade 21 reaches an extreme position; or the control unit 6 detects the motor rotation speed, and judges that the movable blade 21 reaches the limit position when the motor rotation speed is detected to be smaller than the preset rotation speed within the preset time, for example, smaller than 95% of the idle rotation speed within 10 ms; or judging the working current and the motor rotation speed at the same time, when judging that the movable blade 21 reaches the limit position, the control unit 6 controls the motor 4 to stop and stores the rotation number of the motor 4 from the start of working to the stop of the movable blade 21, the control unit 6 stores the preset rotation number subtracted by the rotation number as a set rotation number, at the moment, the learning mode is set, and the control unit 6 controls the buzzer 84 to sound for reminding a user of the completion of the setting of the learning mode; the user presses the switch 3 again, the motor 4 drives the movable blade 21 to be closed, when the switch 3 is released, the control unit 6 controls the motor 4 to rotate for a set number of turns and then controls the motor 4 to stop, and at the moment, the movable blade 21 is opened to the limit position. The user can set up the study mode according to individual demand under the condition of difference, can change the angle size that opens according to the size of branch, can realize the make full use of instrument, experience is felt well.
The electric tool 100 is provided with a learning mode, the control unit 6 controls the motor 4 to work with preset working parameters, and detects the working parameters of the motor 4 in real time, when the detected change of the working parameters meets the preset conditions, the control unit 6 controls the motor 4 to stop, stores the working parameters of the motor 4 when the motor 4 starts to work until the motor stops, the motor 4 starts to work, corresponds to the working device 2 and is positioned at an initial position, generates set working parameters according to the working parameters, controls the motor 4 to stop after the working with the set working parameters, and can set the working device 2 to a limit stroke when the tool cannot meet the required working stroke by setting the learning mode so as to meet the requirements of users, and the tool has high utilization rate and good experience.
The present invention is not limited to the above-described embodiments. Those skilled in the art will readily appreciate that many other alternatives to the power tool and control method of the present invention are possible without departing from the spirit and scope of the present invention. The protection scope of the present invention is subject to the claims.

Claims (10)

1. A power tool, comprising: the device comprises a shell, a working device and a switch which are positioned in the shell, and a motor and a control unit which are accommodated in the shell, wherein the control unit is electrically connected with the motor, and the motor receives an instruction of the control unit to drive the working device to move; the method is characterized in that: an operation unit is arranged on the shell; when the electric tool is in a learning mode, the switch is operated, the control unit controls the motor to work with preset working parameters, and the working parameters of the motor are detected in real time; when the control unit detects that the change of the working parameters meets preset conditions, the control unit controls the motor to stop, the control unit stores the working parameters of the motor from the start of working to the stop, and the motor is located at an initial position corresponding to the working device when the motor starts to work; and the control unit generates a set operation parameter according to the operation parameter and controls the motor to stop after working with the set operation parameter.
2. The power tool of claim 1, wherein: the working parameters comprise working current and/or rotating speed of the motor, and the preset conditions comprise that the working current is larger than the preset working current within preset time and/or the rotating speed is smaller than the preset rotating speed within preset time.
3. The power tool of claim 1, wherein: the operation parameters comprise the rotation number of the motor, and the set operation parameters are the rotation number minus the preset number.
4. The power tool of claim 1, wherein: the electric tool further comprises a sensor device arranged opposite to the working device, and the controller controls the motor to stop when the motor drives the working device to the position of the sensor device when the electric tool is in a normal working mode.
5. The power tool of claim 4, wherein: the distance from the initial position of the working device to the sensor device is smaller than the distance from the initial position of the working device to the position when working with the set operating parameters.
6. The power tool of claim 5, wherein: the operation unit comprises an operation button and a prompting unit, and the prompting unit comprises an indicator lamp and/or a buzzer so as to prompt when the normal working mode and the learning mode are switched.
7. The power tool of claim 1, wherein: the preset operating parameters include no-load operating current or no-load rotational speed.
8. A control method of an electric tool, the electric tool comprising: the device comprises a shell, a working device and a switch which are positioned in the shell, and a motor and a control unit which are accommodated in the shell, wherein the control unit is electrically connected with the motor, and the motor receives an instruction of the control unit to drive the working device to move; the method is characterized in that: an operation unit is arranged on the shell; when the electric tool is in a learning mode, the switch is operated, the control unit controls the motor to work with preset working parameters, and the working parameters of the motor are detected in real time; when the control unit detects that the change of the working parameters meets preset conditions, the control unit controls the motor to stop, the control unit stores the working parameters of the motor from the start of working to the stop, and the motor is located at an initial position corresponding to the working device when the motor starts to work; and the control unit generates a set operation parameter according to the operation parameter and controls the motor to stop after working with the set operation parameter.
9. The control method of the electric power tool according to claim 8, characterized in that: the working parameters comprise working current and/or rotating speed of the motor, and the preset conditions comprise that the working current is larger than the preset working current within preset time and/or the rotating speed is smaller than the preset rotating speed within preset time.
10. The control method of the electric power tool according to claim 9, characterized in that: the operation parameters comprise the rotation number of the motor, and the set operation parameters are the rotation number minus the preset number.
CN202311107006.4A 2023-08-29 2023-08-29 Electric tool and control method Pending CN117353606A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311107006.4A CN117353606A (en) 2023-08-29 2023-08-29 Electric tool and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311107006.4A CN117353606A (en) 2023-08-29 2023-08-29 Electric tool and control method

Publications (1)

Publication Number Publication Date
CN117353606A true CN117353606A (en) 2024-01-05

Family

ID=89368088

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311107006.4A Pending CN117353606A (en) 2023-08-29 2023-08-29 Electric tool and control method

Country Status (1)

Country Link
CN (1) CN117353606A (en)

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