CN105983945A - Power tool and control method used for power tool - Google Patents
Power tool and control method used for power tool Download PDFInfo
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- CN105983945A CN105983945A CN201510043731.9A CN201510043731A CN105983945A CN 105983945 A CN105983945 A CN 105983945A CN 201510043731 A CN201510043731 A CN 201510043731A CN 105983945 A CN105983945 A CN 105983945A
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Abstract
The invention discloses a power tool. The power tool comprises a shell, a motor, an output rod, a rotary mechanism, a detection unit and a control unit. The motor is accommodated in the shell. The output rod is used for driving a working head. The rotary mechanism can be used for outputting and transferring rotation of the motor to the output rod for reciprocating motion. The detection unit is used for detecting position information on reciprocating motion performed by the output rod or position information of rotation of the rotary mechanism. The control unit is connected with the detection unit and the motor and used for obtaining motion direction and speed for reciprocating motion performed by the output rod and a position region where the output rod is located and then used for controlling rotation speed and start-stop time of the motor such that the output rod can stop within the pre-set safety region. Therefore, safety and reliability of the power tool can be improved. A control method used for the power tool is provided.
Description
Technical field
The present invention relates to a kind of power tool and the control method for power tool.
Background technology
Conventional power tool is roughly divided into two kinds, the power tool of a kind of outfan output rotary motion,
Such as electric drill, screwdriver etc.；A kind of outfan output straight reciprocating motion power tool, as reciprocating sow,
Sweep-saw etc..
Existing power tool is typically only capable to make outfan output one motion, rotates as electric drill is only capable of output
Motion；Reciprocating sow is only capable of output reciprocating motion；But, operator completes a certain work, such as finishing room
During room, generally require and use multiple different power tool, to this end, occur in that double mode power tool,
The i.e. the most exportable rotary motion of take-off lever, the most exportable reciprocating motion.
But, take-off lever, when moving reciprocatingly shutdown, may be parked in any one position, generally,
Power tool has non-security district, transition region and region, three, place of safety, when take-off lever rests on non-peace
The whole district or the position of transition region, may cause man-machine safety problem.
Summary of the invention
Based on this, it is necessary to after shutting down for power tool, take-off lever stop place is uncertain, may
The problem causing man-machine safety, it is provided that a kind of control take-off lever rest on predeterminated position power tool and
Control method for power tool.
A kind of power tool, including:
Housing；
Motor, is contained in described housing；
Take-off lever, is used for driving work head；
Rotating mechanism, can be used for that the rotation output of described motor is transferred to described take-off lever reciprocating；
Described power tool also includes:
Detector unit, for detecting the positional information that described take-off lever is reciprocating, or described whirler
The positional information that structure rotates；
Control unit, is connected with described detector unit and described motor respectively, for single based on described detection
The positional information that unit detects, obtains the reciprocating direction of motion of described take-off lever, speed, and
Described take-off lever location region, and control the rotating speed of described motor and start downtime, so that
Described take-off lever rests on preset security region.
Wherein in an embodiment, described control unit is additionally operable to, in the process controlling motor stopping, work as institute
The speed stating the reciprocating speed of take-off lever or the rotation of described rotating mechanism drops to the first pre-set velocity
Value, described control unit controls the shutdown opportunity of described motor under this first pre-set velocity value.
Wherein in an embodiment, described control unit is additionally operable to the speed reciprocating to described take-off lever
The speed continuous sampling that degree or described rotating mechanism rotate, and control the rotating speed of described motor, make described defeated
Speed that rod is reciprocating or the speed that described rotating mechanism rotates fall before to the in Preset Time
Two pre-set velocity values, then drop to the first pre-set velocity value, when the speed that described take-off lever is reciprocating
The speed that degree or described rotating mechanism rotate drops to the first pre-set velocity value, and described control unit controls institute
State motor stopping, so that described take-off lever rests on preset security region；
Wherein, described second pre-set velocity value is more than described first pre-set velocity value.
Wherein in an embodiment, described detector unit includes first sensor, and passes with described first
Sensor cooperation is positioned at the first trigger member of diverse location, described first sensor for sensing described take-off lever
Being two, two described first sensors are respectively arranged on the first detection position and second detection of described housing
Position, described first trigger member is axially disposed at described take-off lever；
Wherein, when described take-off lever is reciprocating, two described first trigger member are the most corresponding described
First sensor, described control unit coordinates sense according to described first sensor and described first trigger member
Should, obtain the positional information that described take-off lever is reciprocating, and then obtain the reciprocal fortune of described take-off lever work
Dynamic speed, and obtain the direction of motion and the location region of described take-off lever.
Wherein in an embodiment, described detector unit include the second sensor and with described second sensor
Coordinating the second trigger member of sensing, described second sensor is two, and two described second sensors are respectively
Being located at the 3rd detection position and the 4th detection position of described housing, described second trigger member is circumferentially arranged
In described rotating mechanism；
Wherein, when described rotating mechanism rotates, described control unit is according to described second sensor and institute
State the cooperation sensing of the second trigger member, obtain the rotation direction of described rotating mechanism, velocity of rotation and difference
Steering position, and then obtain the reciprocating direction of motion of described take-off lever, speed, and described defeated
Rod location region.
Wherein in an embodiment, described control unit includes processor and drives control circuit, described place
Positional information and/or the state parameter of velocity information that reason device detects according to described detector unit send correspondence
Control signal, described driving control circuit for according to described take-off lever be positioned at the different direction of motion,
Speed and diverse location region, control the rotating speed of described motor and start the opportunity of shutting down, so that described output
Bar rests on described preset security region.
Wherein in an embodiment, described processor memory contains reciprocating the presetting of described take-off lever
Velocity amplitude, described processor be additionally operable to according to the reciprocating sampled value of the described take-off lever that detects with
Described pre-set velocity value is made comparisons motor speed described in operation control and is started the opportunity of shutting down.
Wherein in an embodiment, described driving control circuit is used for output pulse width modulated signal to regulate electricity
The rotating speed of machine.
A kind of control method for power tool, comprises the following steps:
The positional information of detection take-off lever or the steering position information of rotating mechanism；
According to the positional information detected, obtain the reciprocating direction of motion of described take-off lever, speed,
And described take-off lever location region；
According to the reciprocating direction of motion of take-off lever, speed, and take-off lever location region,
Control the rotating speed of motor and start the opportunity of shutting down, so that take-off lever is parked in preset security region.
Wherein in an embodiment, the described direction of motion reciprocating according to take-off lever, speed, with
And take-off lever location region, control the rotating speed of motor and start the opportunity of shutting down, so that take-off lever stops
Following steps are specifically included in preset security region:
Control motor speed, make the speed of the rotation of the reciprocating speed of take-off lever or rotating mechanism exist
Fall before in Preset Time to the second pre-set velocity value, then drop to the first pre-set velocity value；
The speed rotated when the reciprocating speed of take-off lever or rotating mechanism drops to the first pre-set velocity
Value, controls motor stopping, so that take-off lever rests on preset security region.
Above-mentioned power tool and the control method for power tool detect take-off lever by detector unit
Positional information, the processor positional information by take-off lever, calculate the speed that take-off lever is reciprocating,
When the reciprocating speed of take-off lever reaches pre-set velocity, according to speed and the region, present position of take-off lever,
By driving the dutycycle of control circuit regulation motor, control the rotating speed of motor and start the opportunity of shutting down, from
And take-off lever is parked in the default band of position, improve safety and reliability that power tool uses.
Accompanying drawing explanation
Fig. 1 is the structural representation of the power tool of this better embodiment；
Fig. 2 is the power tool structural representation of another embodiment；
Fig. 3 is the flow chart of the power tool control method of this better embodiment.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.
Accompanying drawing gives the preferred embodiment of the present invention.But, the present invention can be in many different forms
Realize, however it is not limited to embodiment described herein.On the contrary, provide the purpose of these embodiments to be
Make the understanding to the disclosure more thorough comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly at another
On element or element placed in the middle can also be there is.When an element is considered as " connection " another element,
It can be directly to another element or may be simultaneously present centering elements.Used herein
Term " vertical ", " level ", "left", "right" and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technology used herein and scientific terminology and the skill belonging to the present invention
The implication that the technical staff in art field is generally understood that is identical.Used the most in the description of the invention
Term be intended merely to describe specific embodiment purpose, it is not intended that in limit the present invention.Institute herein
The term that uses " and/or " include the arbitrary and all of combination of one or more relevant Listed Items.
As it is shown in figure 1, the power tool 10 of the present invention includes housing (not shown), is contained in housing
Motor (not shown), for driving the take-off lever 12 of work head, for driving take-off lever 12 back and forth to transport
The rotating mechanism 14 moved or rotate and detector unit (not shown), control unit (not shown).
The rotation of motor can be exported and be transferred to take-off lever 12 by rotating mechanism 14, makes this take-off lever 12 make past
Multiple motion or rotary motion.Detector unit is for detecting the reciprocating positional information of take-off lever 12 or being somebody's turn to do
The positional information that rotating mechanism 14 rotates, control unit is connected with detector unit and motor respectively, for base
In the positional information that this detector unit detects, obtain the reciprocating direction of motion of this take-off lever 12,
Speed, and take-off lever 12 location region, and control and regulate the rotating speed of this motor and start to stop
The machine time, so that this take-off lever 12 rests on preset security region during motor stalls.
Power tool 10 includes safety zone, transitional region and insecure area, when take-off lever 12 is made
Move back and forth shut down time, any one position may be parked in, if take-off lever 12 be parked in insecure area or
Safety zone, then may result in man-machine safety problem.Detector unit detection take-off lever 12 is back and forth transported
Dynamic positional information, or the positional information rotationally of rotating mechanism 14, control unit is examined by detector unit
The positional information measured, obtains the reciprocating direction of motion of take-off lever 12, speed, and take-off lever 12
Location region, thus control the rotating speed of motor and start downtime, and then make take-off lever 12 stop
Stay safety zone.So, controllable make take-off lever 12 rest on safety zone, improve power work
The safety of tool 10 use and reliability.
It should be noted that the preset security region in the present invention refers to, in power tool, take-off lever
12 is reciprocating, the final band of position stopped, and does not interferes with the region of man-machine safety.
Wherein in an embodiment, control unit is additionally operable to, in the process controlling motor stopping, work as output
Speed or the speed of rotating mechanism rotation that bar is reciprocating drop to the first pre-set velocity value, control single
Unit controls the shutdown opportunity of motor under this first pre-set velocity value, makes take-off lever finally stop down above-mentioned peace
Region-wide.
Referring to Fig. 3, in another embodiment, control unit is additionally operable to make this take-off lever 12 back and forth
The continuous sampling of the speed that the speed of motion or this rotating mechanism 14 rotate, and control the rotating speed of motor, make
Speed or the speed of this rotating mechanism 14 rotation that this take-off lever 12 is reciprocating are first in Preset Time
Drop to the second pre-set velocity value, drop to the first pre-set velocity value the most again, when this control unit obtains
Speed or rotating mechanism 14 speed rotationally that this take-off lever 12 is reciprocating drop to first and preset speed
Angle value, control unit controls motor stopping, so that take-off lever 12 rests on default safety zone.
Specifically, control unit includes processor (not shown) and drives control circuit (not shown), place
Velocity information and/or the state parameter of positional information that reason device detects according to detector unit send corresponding control
Signal processed, this drive circuit is for being positioned at the different direction of motion, speed and not coordination according to take-off lever 12
Put region, control the rotating speed of this motor and start the opportunity of shutting down, so that this take-off lever 12 rests on place of safety
Territory.Hereinafter the stopping process during reciprocating motion of this power tool 10 is been described by.
Operator start shutdown, and detector unit detects the reciprocating direction of motion of take-off lever 12, speed
Degree and location region；Then processing unit detects according to detector unit positional information, motion
Direction and velocity information, control the rotating speed of motor, by speed reciprocating for take-off lever 12 when default
In first regulate to the second pre-set velocity value, then regulate to the first pre-set velocity value；When take-off lever 12 is made past
The speed that the speed of multiple motion or rotating mechanism rotate drops to the first pre-set velocity value, controls motor stopping,
Take-off lever 12, due to the effect of the damping between frame for movement, eventually settles at safety zone.
It should be noted that the multiple pre-set velocity values in the present invention, refer to that take-off lever 12 is moving back and forth
In, the velocity amplitude that speed classification within a certain period of time declines.In the present embodiment, speed is preset including first
Angle value and the second pre-set velocity value, wherein the first pre-set velocity value is less than the second pre-set velocity value.
It is appreciated that the quantity of pre-set velocity value is in this no limit, controlled regulation take-off lever can be realized
The purpose of 12 reciprocating speed, and make take-off lever 12 when motor stopping, rest on safety zone
Purpose.
More specifically, this processor memory contains the pre-set velocity of the reciprocating classification of this take-off lever 12
Value, this processor is additionally operable to the sampled value reciprocating according to this take-off lever 12 detected and classification
Pre-set velocity value is made comparisons, it is judged that whether the reciprocating speed of take-off lever 12 reaches the default speed of classification
Angle value, and control the rotating speed of this motor and whether shut down.Below with the specific embodiment work to control unit
Illustrating as process, such as, speed 500 cel that power tool 10 normally works, second presets
Velocity amplitude is 300 cels, and the first pre-set velocity value is 100 cels, when starting halt switch, right
The speed sampling that take-off lever 12 is reciprocating, and make comparisons with pre-set velocity value, when take-off lever 12 is made
Reciprocating speed is more than the second pre-set velocity value, controls to adjust motor speed, makes take-off lever 12 make past
The speed of multiple motion declines；Such as, constantly to the speed sampling that take-off lever 12 is reciprocating, output is worked as
The reciprocating speed of bar 12 is 500 cels, then control unit controls motor speed, makes take-off lever
12 reciprocating speed are down to 300 cels from 500 cels in Preset Time；In like manner, continue
Continuous sampling, and by sampled value and pre-set velocity value comparison operation, when the speed that take-off lever 12 is reciprocating
When being down to 100 cel, then positional information, traffic direction and the speed that processor detects according to detector unit
Degree information, controls the shutdown of motor, so that take-off lever 12 rests on default safety zone.
It may be noted that processor can use MCU, PLC or CPU etc., in the present embodiment, process
Device is microcomputer control system (MCU), and those skilled in the art are it is contemplated that MCU generally wraps
Include CPU (CPU), read only memory (ROM), random access memory (RAM), numeral/
Analog-converted unit, timer, input/output end port etc., due to these unit or the work of functional module
Principle is all known well by those of ordinary skill in the art, therefore repeats no more its concrete structure and principle.
In this preferred embodiment, this driving control circuit is used for output pulse width modulated signal to regulate motor
Rotating speed.Velocity information and/or the state parameter of positional information that detector unit is detected by processor are changed
For digital signal, and carry out processing and generating corresponding control signal.Control signal in the present embodiment is
Pulsewidth modulation (PWM, Pulse Width Modulation) signal, is applied on motor for control
Voltage.Control circuit is driven to be made up of resistance, power switch driver.Wherein, power switch driver
It is made up of some triodes, for regulating the dutycycle of control signal, say, that power switch drives
Device according to the pwm signal received, reduces the continuous output time of control signal in the single cycle, from
And the running speed of motor is controlled by power switch component.It may be noted that power switch component is permissible
For semiconductor switch, be in the present embodiment metal oxide semiconductor field effect transistor (MOSFET,
Metal-Oxide-Semiconductor Field-Effect Transistor)。
Readding Fig. 1 the most in the lump, detector unit includes two first sensor (not shown), and with this first
Sensor cooperation is positioned at first trigger member 162 in diverse location region for sensing this take-off lever 12.This reality
Executing in example, these two first sensors are respectively arranged on the first detection position (not shown) and second of housing
Detection position (not shown), the first trigger member 162 is axially disposed at this take-off lever 12.Take-off lever 12
Reciprocating, two the first trigger member 162 detect on position with the first detection position and second respectively
First sensor senses, thus detects take-off lever 12 location region.Control unit is by presetting
The distance that in time, take-off lever 12 is reciprocating, thus obtain the speed that take-off lever 12 is reciprocating,
And according to the order of two first sensors of sensing, it is judged that the direction of motion of take-off lever 12.
It may be noted that owing to rotating mechanism 14 is for driving take-off lever 12 reciprocating, by motor
Convert rotational motion is the reciprocating motion of take-off lever 12, therefore the rotation of rotating mechanism 14 and take-off lever 12
Move back and forth and there is corresponding relation.As in figure 2 it is shown, in another embodiment, detector unit includes two
Individual second sensor (not shown) and from second sensor coordinate be used for sensing different turns of this rotating mechanism 14
To the second trigger member 182 of position, two the second sensors are respectively arranged on the 3rd detection position (figure of housing
Do not show) and the 4th detection position (not shown), this second trigger member 182 is circumferentially arranged in this whirler
Structure 14.When rotating mechanism 14 rotates, control unit is according to the second sensor and the second trigger member 182
Coordinate sensing, obtain the velocity of rotation of this rotating mechanism 14 and different steering position, thus according to whirler
There is corresponding relation with take-off lever 12 in structure 14, obtains the speed that this take-off lever 12 is reciprocating, with
And take-off lever 12 location region.
With specific embodiment, the work process that detector unit is concrete is illustrated below, such as, the first inspection
Location is put and the second detection is located along two detection positions that take-off lever 12 is axially arranged, the first detecting position
Put and be respectively equipped with two first sensors on the second detection position.The reciprocal fortune that take-off lever 12 is the most complete
The motion of the dynamic both direction that includes stretching out and bounce back, the first detection position with second detect position axially towards
Stretching out direction to set gradually, the first sensor away from rotating mechanism is corresponding with the first detection position, close
The first sensor of rotating mechanism is corresponding with the second detection position.
When take-off lever 12 is towards when stretching out direction motion, and first detects position, the first biography of the second detection position
Sensor is the most sensed, then can determine whether that take-off lever 12 is positioned at safety zone, and take-off lever 12 continues motion,
The first sensor of the first detection position is sensed, and the first sensor of the second detection position is the most sensed,
Then judging that take-off lever 12 is positioned at transitional region, take-off lever 12 continues motion, the first of the second detection position
Sensor is sensed, then judge that take-off lever 12 is positioned at insecure area.In like manner, the of the second detection position
One sensor is the most sensed, then explanation take-off lever 12 moves towards direction of recession, the of the second detection position
After one sensor is sensed, the first sensor of the first detection position is the most sensed, it is judged that take-off lever 12
In transitional region, take-off lever 12 continues motion, when the first sensor of the first detection position is sensed, then
Judge that take-off lever 12 is positioned at safety zone.
Wherein, the distance between the first detection position and the second detection position is S1, two the first trigger member
Distance between 162 is S2, when the first sensor of the first detection position is sensed, control unit starts
Timing, when the second sensor of the second detection position is sensed, stops timing, and the time is T, then export
The speed of bar 12 is V=(S1+S2)/T.In like manner, take-off lever 12 moves along the direction reclaimed, it is possible to
Calculate the speed of take-off lever 12 motion.
It is appreciated that in other embodiments, it is possible to set S1+S2For the reciprocating list of take-off lever 12
To stroke, the most within a specified time, made ten times move back and forth, such as, in 20 seconds, take-off lever 12
Made 5 times to move back and forth, then take-off lever creates 10 (S altogether1+S2), then take-off lever 12 is reciprocating
Speed be V=10 (S1+S2)/20=(S1+S2)/2。
In another embodiment, there is corresponding relation with take-off lever 12 in rotating mechanism 14, can pass through
The second sensor on 3rd detection position and the 4th detection position is circumferentially disposed with along rotating mechanism respectively
The sensing of two the second trigger member 182 and detect the rotation direction of rotating mechanism 14, velocity of rotation and difference
Steering position, thus by the conversion of corresponding relation draw the reciprocating direction of motion of take-off lever 12,
Speed, and take-off lever 12 location region.
Specifically, rotating mechanism 14 is coordinated by turbine and worm structure and motor, and eccentric structure drives
Dynamic take-off lever 12 is reciprocating, is calculated by the corresponding relation between turbine and worm and take-off lever 12
Going out the reciprocating speed of take-off lever 12, the direction of motion and the band of position etc., such as, turbine and worm is tied
Structure is K with the gear ratio of motor, by measuring the rotating speed V of the output shaft of motor1, calculate turning of worm screw
Speed KV1, thus drawing the speed that take-off lever 12 is reciprocating, worm screw rotates 1 circle, then take-off lever is complete
Becoming the most complete reciprocating motion, half-turn is then unidirectional motion, moreover according to the 3rd detection position and the
Four detect two the second trigger member that the second sensor on positions is circumferentially disposed with along rotating mechanism 14 respectively
The sensing of 182 and detect the turned position of rotating mechanism 14, thus corresponding judge at take-off lever 12
The band of position.
It is appreciated that the concrete corresponding relation of rotating mechanism 14 and take-off lever 12, can be according to rotating mechanism
14 with the fit structure of take-off lever 12 depending on, in this no limit, such as, rotating mechanism 14 rotates phase
The number of turns answered completes once to move back and forth corresponding with take-off lever 12, rotates geosphere according to rotating mechanism 14
Number judges that the position that take-off lever 12 is positioned at is region-wide.
It is appreciated that first sensor and the second sensor are noncontact class sensor, such as, magnetoelectricity
Sensor, photoelectric sensor, inductance sensor etc., in this no limit.First trigger member 162 and
Two trigger member 182 are different according to the type difference of sensor, such as, can be salient point, baffle plate or magnet steel
Deng.
Depending on being appreciated that the number of sensor and detecting position install the type determining the concrete sensor of basis,
Such as, linear transducer can complete the measurement of above-mentioned state parameter.
The present invention is by the sensor being arranged on housing and is located at touching of take-off lever 12 or rotating mechanism 14
Sensing between outbox, detects the positional information of take-off lever 12, the processor position by take-off lever 12
Confidence ceases, and calculates the speed that take-off lever 12 is reciprocating, and the reciprocating speed at take-off lever 12 reaches
During pre-set velocity, according to speed and the region, present position of take-off lever 12, by driving control circuit to regulate
The dutycycle of motor, controls the rotating speed of motor, thus take-off lever 12 is parked in the default band of position, carry
Safety that the power tool 10 of high power tool 10 uses and reliability.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed
Carefully, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for
For those of ordinary skill in the art, without departing from the inventive concept of the premise, it is also possible to if making
Dry deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection model of patent of the present invention
Enclose and should be as the criterion with claims.
Claims (10)
1. a power tool, including:
Housing；
Motor, is contained in described housing；
Take-off lever, is used for driving work head；
Rotating mechanism, can be used for that the rotation output of described motor is transferred to described take-off lever reciprocating；
It is characterized in that, described power tool also includes:
Detector unit, for detecting the positional information that described take-off lever is reciprocating, or described rotating mechanism
The positional information rotated；
Control unit, is connected with described detector unit and described motor respectively, for based on described detector unit
The positional information detected, obtains the reciprocating direction of motion of described take-off lever, speed, and described
Take-off lever location region, and control the rotating speed of described motor and start downtime, so that described defeated
Rod rests on preset security region.
Power tool the most according to claim 1, it is characterised in that described control unit is additionally operable to
Control the process of motor stopping, when the reciprocating speed of described take-off lever or described rotating mechanism rotate
Speed drops to the first pre-set velocity value, and described control unit controls described electricity under this first pre-set velocity value
The shutdown opportunity of machine.
Power tool the most according to claim 2, it is characterised in that it is right that described control unit is additionally operable to
Speed that described take-off lever is reciprocating or the speed continuous sampling that described rotating mechanism rotates, and control institute
Stating the rotating speed of motor, the speed making the reciprocating speed of described take-off lever or described rotating mechanism rotate exists
Fall before in Preset Time to the second pre-set velocity value, then drop to the first pre-set velocity value, when described defeated
Speed or the speed of described rotating mechanism rotation that rod is reciprocating drop to the first pre-set velocity value, institute
State control unit and control described motor stopping, so that described take-off lever rests on preset security region；
Wherein, described second pre-set velocity value is more than described first pre-set velocity value.
Power tool the most according to claim 3, it is characterised in that described detector unit includes first
Sensor, and coordinate with described first sensor and be positioned at the first of diverse location for sensing described take-off lever
Trigger member, described first sensor is two, and two described first sensors are respectively arranged on the of described housing
One detection position and the second detection position, described first trigger member is axially disposed at described take-off lever；
Wherein, when described take-off lever is reciprocating, two described first trigger member respectively corresponding described the
One sensor, described control unit coordinates sensing according to described first sensor and described first trigger member,
Obtain the positional information that described take-off lever is reciprocating, and then obtain the speed that described take-off lever is reciprocating
Degree, and obtain the direction of motion and the location region of described take-off lever.
Power tool the most according to claim 3, it is characterised in that described detector unit includes second
Sensor and coordinate with described second sensor sensing the second trigger member, described second sensor is two,
Two described second sensors are respectively arranged on the 3rd detection position and the 4th detection position of described housing, described
Second trigger member is circumferentially arranged in described rotating mechanism；
Wherein, when described rotating mechanism rotates, described control unit according to described second sensor with described
The cooperation sensing of the second trigger member, obtains the rotation direction of described rotating mechanism, velocity of rotation and difference and turns to
Position, and then obtain the reciprocating direction of motion of described take-off lever, speed, and described take-off lever institute
The band of position at place.
6. according to the power tool described in claim 1-5 any one, it is characterised in that described control list
Unit includes processor and drives control circuit, the position letter that described processor detects according to described detector unit
The state parameter of breath and/or velocity information sends corresponding control signal, and described driving control circuit is used for basis
Described take-off lever is positioned at the different direction of motion, speed and diverse location regions, controls the rotating speed of described motor
With start the opportunity of shutting down, so that described take-off lever rests on described preset security region.
Power tool the most according to claim 6, it is characterised in that described processor memory contains institute
Stating the pre-set velocity value that take-off lever is reciprocating, described processor is additionally operable to according to the described output detected
The reciprocating sampled value of bar is made comparisons with described pre-set velocity value motor speed described in operation control and beginning
Shutdown opportunity.
Power tool the most according to claim 7, it is characterised in that described driving control circuit is used for
Output pulse width modulated signal is to regulate the rotating speed of motor.
9. the control method for power tool, it is characterised in that comprise the following steps:
The positional information of detection take-off lever or the steering position information of rotating mechanism；
According to the positional information detected, obtain the reciprocating direction of motion of described take-off lever, speed,
And described take-off lever location region；
According to the reciprocating direction of motion of take-off lever, speed, and take-off lever location region,
Control the rotating speed of motor and start the opportunity of shutting down, so that take-off lever is parked in preset security region.
The most according to claim 9 for power tool control method, it is characterised in that described
According to the reciprocating direction of motion of take-off lever, speed, and take-off lever location region, control electricity
The rotating speed of machine and start the opportunity of shutting down, so that take-off lever is parked in preset security region and specifically includes following steps:
Control motor speed, make the speed of rotation of the reciprocating speed of take-off lever or rotating mechanism in advance
If falling before in the time to the second pre-set velocity value, then drop to the first pre-set velocity value；
The speed rotated when the reciprocating speed of take-off lever or rotating mechanism drops to the first pre-set velocity value,
Control motor stopping, so that take-off lever rests on preset security region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510043731.9A CN105983945B (en) | 2015-01-28 | 2015-01-28 | Power tool and control method for power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510043731.9A CN105983945B (en) | 2015-01-28 | 2015-01-28 | Power tool and control method for power tool |
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| CN105983945B CN105983945B (en) | 2018-09-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110292310A (en) * | 2018-03-22 | 2019-10-01 | 格鲁普西姆贝利有限公司 | The allocation unit of the lever operation of coffee machine |
| CN112140066A (en) * | 2019-06-11 | 2020-12-29 | 苏州宝时得电动工具有限公司 | Electric tool |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050023017A1 (en) * | 2003-07-31 | 2005-02-03 | Makita Corporation | Power tool |
| CN102300662A (en) * | 2009-01-30 | 2011-12-28 | 日立工机株式会社 | Reciprocating electric tool |
| CN102712083A (en) * | 2009-12-28 | 2012-10-03 | 株式会社牧田 | Motorized tool |
| CN202742353U (en) * | 2012-06-19 | 2013-02-20 | 浙江信源电器制造有限公司 | Safety protection device for electric tool |
-
2015
- 2015-01-28 CN CN201510043731.9A patent/CN105983945B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050023017A1 (en) * | 2003-07-31 | 2005-02-03 | Makita Corporation | Power tool |
| CN102300662A (en) * | 2009-01-30 | 2011-12-28 | 日立工机株式会社 | Reciprocating electric tool |
| CN102712083A (en) * | 2009-12-28 | 2012-10-03 | 株式会社牧田 | Motorized tool |
| CN202742353U (en) * | 2012-06-19 | 2013-02-20 | 浙江信源电器制造有限公司 | Safety protection device for electric tool |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110292310A (en) * | 2018-03-22 | 2019-10-01 | 格鲁普西姆贝利有限公司 | The allocation unit of the lever operation of coffee machine |
| CN112140066A (en) * | 2019-06-11 | 2020-12-29 | 苏州宝时得电动工具有限公司 | Electric tool |
| CN112140066B (en) * | 2019-06-11 | 2024-04-09 | 苏州宝时得电动工具有限公司 | Electric tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105983945B (en) | 2018-09-07 |
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