CN108352796A - Electric clutch and electric tool - Google Patents
Electric clutch and electric tool Download PDFInfo
- Publication number
- CN108352796A CN108352796A CN201780003794.9A CN201780003794A CN108352796A CN 108352796 A CN108352796 A CN 108352796A CN 201780003794 A CN201780003794 A CN 201780003794A CN 108352796 A CN108352796 A CN 108352796A
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- Prior art keywords
- clutch
- electric
- electric tool
- controller
- electromagnet
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- 230000005540 biological transmission Effects 0.000 claims description 30
- 238000004804 winding Methods 0.000 claims description 29
- 238000004891 communication Methods 0.000 claims description 12
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- 230000000875 corresponding effect Effects 0.000 description 18
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000002459 sustained effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
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- 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
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/11—Structural association with clutches, brakes, gears, pulleys or mechanical starters with dynamo-electric clutches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- 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
- H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Portable Power Tools In General (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
The electric clutch and electric tool of the embodiment of the present invention.The wherein described electric clutch includes clutch main body, clutch drive apparatus, and the clutch drive apparatus is used to, according to control instruction, the clutch main body be driven to engage or detach；Input equipment, the input equipment is for acquiring at least one user instruction；And controller, the controller are connect with the clutch drive apparatus and input equipment respectively, are configured with preset control logic；The controller, according to the control logic, exports corresponding control instruction to the clutch drive apparatus for receiving the user instruction from the input equipment.The electric clutch need not be confirmed before operation, need not also manually adjust clutch, can be more convenient, the simple and flexible function of realizing clutch, be changed or configure the operating mode of electric tool, improve the working efficiency of operation.
Description
Technical field
The present invention relates to power tools technology fields, more particularly to a kind of electric clutch and electric tool.
Background technology
The electric tool type that can be selected on current market is various, and the type and function of electric tool are very abundant.With
The continuous development of social economy, the electric tool for only having simple function has been difficult to meet people's demand used in everyday.Cause
This starts to occur some in the market with a variety of different function, the electricity of changeable different working modes for convenience of the use of people
Power driven tools, for example, some multifunctional percussion drill electric tools, both have common electric drill function (flat drill), it may have hammer drill work(
Energy (hammering+flat drill collective effect).Either some multi-functional electric hammer electric tools both have electric drill function (flat drill), also
It can be used as electric hammer drill or electric pick with switching working mode.
For the electric tool of above-mentioned changeable operating mode, the work to electric tool is usually required during use
Operation mode carries out configuration or functional switching, is allowed to more targetedly meet job requirements.The switching of operating mode is in machinery
What running part was realized using clutch apparatus, electric tool can be selected to need the work(of operation by clutch apparatus
Energy.
The switching of above-mentioned function or operating mode is typically by a rotation outside housing of electric tool
It switchs to select or configure.Clutch in artificial rotation turn switch driving electric tool, makes it on transmission shaft
Sliding, with the relationship for engaging (or occlusion) and be detached between this gear and transmission shaft to adjust various functions transmission, to reach
To the switching of operating electric tool mode functionality, to realize the job requirements of electric tool.
In realizing process of the present invention, it is found by the applicant that the prior art has the following problems：Currently, due to electric tool
Function switch needs the artificial clutch state that clutch is manipulated by rotary switch.Therefore, electric tool is being used every time
Before, whether user is correct firstly the need of the operating mode selected and confirmation electric tool is current, is indicated on the switch of rotation
Whether electric tool operating mode home position is corresponded to, using relatively complicated and inconvenient.
If in addition, occur that electric tool work pattern is incorrect or power tool clutch it is not in place (as in half from
Conjunction state) the case where, it is easy to so that clutch is damaged at work, influences the service life of electric tool.
On the other hand, if it is desired to switching the pattern of electric tool operation in operation process, then user is needed first to shut down
Operation after control rotary switch selects the function of electric tool, is further continued for starting electric tool progress operation.Some need frequency
In the occasion of numerous switching electric tool operation switching working mode, big inconvenience can be caused to the use of electric tool, influenced
Operating efficiency.
Moreover, the working condition of mechanical clutch device will not be fed back in electric tool control system master controller,
Master controller can not know the working condition of clutch apparatus, can reduce reliability and the safety of product.
Invention content
The embodiment of the present invention mainly solving the technical problems that：Avoid mechanical clutch during electric tool use
It is easy to cause the problem of electric tool damage, reliability decrease and handover operation inconvenience.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of electric clutch.The electric clutch includes：From
Clutch main body, clutch drive apparatus, input equipment and controller.
The clutch drive apparatus is used to, according to control instruction, the clutch main body be driven to engage or detach；Institute
Input equipment is stated for acquiring at least one user instruction；The controller is set with the clutch drive apparatus and input respectively
Standby connection, is configured with preset control logic；The controller is for receiving the user instruction from the input equipment, and root
According to the control logic, corresponding control instruction is exported to the clutch drive apparatus.
Optionally, the clutch drive apparatus includes：Electromagnet and its driving circuit；
The driving circuit controls the movement of the electromagnet for receiving the control instruction.
Optionally, the electromagnet includes the two-phase coil windings being arranged oppositely；A phase coil winding is connected wherein, separately
When one phase coil winding disconnects, the electromagnet is used to drive the clutch main body along the corresponding direction of coil windings connected
Movement；
For receiving the control instruction, the movement for controlling the electromagnet includes the driving circuit：The driving electricity
Road, according to the control instruction, controls the wherein phase coil winding in two-phase coil windings for receiving the control instruction
It connects.
Optionally, the driving circuit specifically includes：Working power, a pair of switches element and a pair of of fly-wheel diode；
The working power is connect with the coil windings, and the coil windings are grounded by the switch element；
The switch element has the input port for receiving control signal, and switch element is determined according to control signal
Working condition, the working condition include connecting or disconnecting；The fly-wheel diode be connected in inverse parallel in the coil around
Group both ends, form the conducting circuit of inverse electromotive force.
Optionally, the switch element is pliotron or metal-oxide-semiconductor.
Optionally, the electromagnet is Self-retaining electromagnet.
In order to solve the above technical problems, the embodiment of the present invention also provides a kind of electric tool.The electric tool includes：It is electronic
Machine, the motor export power by a transmission shaft；Several driving cogs；The operating mode of the driving cog and electric tool
It corresponds；And electric clutch as described above, the electric clutch is correspondingly arranged with the driving cog, described in control
Clutch state between transmission shaft and corresponding driving cog.
Optionally, the electric tool further includes：Display device, the control of the display device and the electric power clutch
Device connects, the operating mode for showing current electric tool.
Optionally, the display device is LED light；The LED light has several flash pattern, and current
The operating mode of electric tool corresponds to.
Optionally, the electric tool further includes：Communications module；The control of the communications module and the electric clutch
Device connects, and for receiving one or more control instruction, is transmitted to the controller.
In the control method of the embodiment of the present invention, traditional mechanical clutch, driving are replaced using electronic control mode
Clutch realizes the switching of the different function pattern of electric tool.It need not be carried out before operation really using electronic control mode
Recognize, need not also manually adjust clutch, can be more convenient, the simple and flexible function of realizing clutch, can also change
Or the operating mode of configuration electric tool, improve the working efficiency of operation.
Description of the drawings
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element with same reference numbers label is expressed as similar element in attached drawing, removes
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the control structure schematic diagram of electric tool provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of the operating mode transfer sequence of electric tool provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of clutch drive apparatus provided in an embodiment of the present invention；
Fig. 4 is the transmission shaft connecting structure schematic diagram of electric tool provided in an embodiment of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Electric tool be it is a kind of being widely used general power tool, have by engineering plastics, aluminium or other materials
The shell formed is prepared, corresponding tool is fixed or be removably connected in one end of shell, and shell is internally provided with conjunction
The motor of suitable type is as power source.Motor exports power by transmission system, to carry out a variety of differences with power driven tools
Operation, such as drilling, hammering, driving screws etc..
In order to meet different use demands, electric tool can have the function of a variety of different or operating mode, for example,
Flat drill function, hammering function and flat drill and hammering collective effect etc..
In general, electric tool can realize above-mentioned difference by transmission system that one or more clutch forms
The switching of function.For example, as shown in Figure 1, the motor of electric tool is being driven on-axis output power as power source.It is described
Clutch slides on the transmission shaft, adjusts engaging between the transmission gear of various different function and transmission shaft and (or stings
Close)/be detached from relationship so that power output or distribution to different gears, to complete the operation mode work(of electric tool
Energy property switching, meets the different job requirements.
According to the demand of actual conditions, above-mentioned electric tool can also increase or reduce some function modules, such as
For ease of movement, the limitation in use is reduced, battery is added, and is not limited to above-mentioned function module.In some embodiments, also
Can clutch more easily be driven by using suitable clutch driving method, to simplify the operation mould of electric tool
Formula operation required when switching, improves operating efficiency.
Fig. 1 is the control structure schematic diagram of the electric tool of changeable pattern provided in an embodiment of the present invention.In this implementation
In example, clutch is driven using electronically controlled mode, changes or adjusts and engage/disengaging between different gears and transmission shaft
(clutch) relationship.
As shown in Figure 1, the electric tool includes：Controller 100, motor 200, clutch drive apparatus 300 and
Power supply 400.
Main control unit of the controller 100 as electric tool integrates one or more function module, calling pair
The function program answered executes one or more step, realizes and switches between the different function and different function of electric tool
Operation.
The controller 100 can be any suitable type, the processor with certain logical operation capability, such as singly
Piece machine, microprocessor or CPU etc..The processor can also have one or more processing core.
The motor 200 can be connect by motor drive circuit 201 with the controller 100, by controller 100
The specific drive manner of drive motor 200, for example, the rotating speed of control motor 200 or direction of rotation etc..Wherein, described
Motor drive circuit 201 is specifically to be well known to those skilled in the art according to set by specifically used motor 200
(such as the parameters such as 200 required voltage of drive motor, electric current).In some embodiments, the motor drive circuit 201
One of controller 100 function module is can also be used as, is incorporated into the controller 100.
The controller 100 can also provide several corresponding input/output and connect according to specifically integrated function module
Mouthful, to realize the control for other external equipments or receive the information of external equipment acquisition.For example, the controller
100 can be provided with the power interface 101 for being connect with power supply 400, and power supply 400 is obtained by the power interface 101
Power supply.
In the present embodiment, the controller 100 is additionally provided with the clutch control being connect with the clutch drive apparatus 300
Output port 102 processed.According to the control instruction that controller 100 is exported from port, the clutch drive apparatus 300 can drive
Clutch main body executes the corresponding action combined or disconnect, to realize the switching of electric tool function.
The clutch drive apparatus 300 is the clutch drive apparatus controlled using electronic signal.With it is mechanical
Unlike control mode, clutch operating can be controlled by electronic signal without manually carrying out.
In the present embodiment, the clutch drive apparatus 300 can be specifically any suitable, can be according to electric signal
Execute the actuating mechanism, such as electromagnet, dc motor, stepping motor etc. of respective action.
The control instruction that the controller 100 exports is corresponding with the requirement of user.In the present embodiment, may be used
To use corresponding input equipment 501, for example, the acquisition user such as button, touch button, switching switch be meet requirement and
The user instruction used.
In electric tool provided in this embodiment, user can be simply by input equipment (such as button) input information
Complete the switching of the different operating mode of electric tool (or function), the process of switching is rapid, convenient, avoids original machinery
(such as cumbersome needs are aligned or are to need to shut down a series of problems when formula clutch is switched over using rotary switch
After could complete pattern switching).
Optionally, electronically clutch is controlled due to using.Therefore, be provided with more buttons or its
In the case of its interactive device, flexibly the switching of the operating mode of electric tool can also be adjusted, such as additional setting
Control button 502 for configuring switch mode.
By taking multi-functional electronic electric hammer tool as an example：Assuming that the electronic electric hammer tool has flat drill pattern, impact drill jig
Formula, electric hammer pattern and electric pick pattern.After each pressing keys, transfer sequence is as shown in Figure 2.But in application scenes
In, user may only need to use two kinds of electric hammer pattern and electric pick pattern.
Such, user can change or adjust corresponding control in controller 100 by the control button 502
Logic so that for user when carrying out the switching of operating mode using input equipment 501, the transfer sequence of operating mode is revised as electricity
Switch in turn between hammer pattern and electric pick pattern both of which.
Such, compared with the mode of the mechanical driving clutch usually used, user can be according to the reality of oneself
Pattern when function switch is freely arranged in demand, is conducive to improve efficiency when operation, completes the work(of electric tool faster
It can switching.Moreover, controller can know the operating mode of current specific electric tool, the reliability and peace of product are improved
Quan Xing.It should be noted that the configuration of above-mentioned different control logics can be according to the controller or calculation of actual use
It determines, is well known to those skilled in the art.
In order to be more convenient for, user switches the operating mode of electric tool, in some embodiments, can also be electronic
In tool, increase other applicable function modules.As shown in Figure 1, the display that can increase for showing current operation mode fills
Set 600.The display device 600 is connect with the display signaling interface 103 that controller 100 provides, and current electricity is shown to user
Power driven tools operating mode.
The display device 600 can be specifically any suitable type, have different display modes, to indicate different
Equipment of operating mode, such as liquid crystal display, digital display screen, several LED lights etc..Specifically, controller 100 can
To control the corresponding LED light flicker of current operation mode or light, to show the current work of electric tool to user
Operation mode.
Please continue to refer to Fig. 1, it can also further increase and be communicated to connect with external establish, transmission data or instruction
Communications module 700.The communications module 700 is connect by corresponding data transmission interface with controller 100, by external control
In instruction or data transmission to controller 100.
The communications module 700 can be with any suitable wireless or wire communication module, can be with one or more
External smart equipment establishes communication connection, including but not limited to Wi Fi modules, bluetooth module, NFC communication module.Specifically, outer
Corresponding client software program (such as APP, webpage version client) can have been run in the smart machine in portion.User can lead to
The client software program is crossed, the transfer sequence effect of control button 502 (play), straight of the operating mode of electric tool is set
It connects the operating mode (effect for playing button 501) of switching electric tool or obtains the working condition etc. of current electric tool.
In some embodiments of the invention, can also be according to other suitable functional requirements, the fortune based on controller 100
The data-interface of calculation ability either offer is further adjusted the function module in above-mentioned electric tool, integrate or
Some function modules of increase/economization.
Fig. 3 is the structural schematic diagram of clutch drive apparatus provided in an embodiment of the present invention.As shown in figure 3, the clutch
Device driving device specifically includes：Electromagnet and driving circuit 312, driving circuit 312 have input port 320 and work electricity
Source VCC.
The electromagnet is the electromagnet with two-phase coil windings, including first coil winding 311a and the second coil
Winding 311b.Optionally, the electromagnet may be used with self-retaining function electromagnet (i.e. working power VCC be cut off
Afterwards, electromagnet still maintains original position and does not change).It is such, it can be to avoid working power VCC for the shadow of electromagnet
It rings, avoids unnecessary malfunction, be conducive to the reliability for keeping clutch drive apparatus and reduce clutch drive apparatus
Power consumption.
Correspondingly, the driving circuit is by a pair of switches element (first switching element 312a and second switch element
312b) formed with a pair of of fly-wheel diode (the first sustained diode 1 and the second sustained diode 2).
Optionally, the fly-wheel diode can select suitable using fast recovery diode or Schottky diode etc.
Type diode, in the driving circuit play afterflow effect.
One end of the first coil winding 311a is connect with working power VCC, and the other end passes through first switching element
312a is grounded, and the control terminal of the first switching element can pass through first input port as first input port 320a
The voltage of 320a controls the working condition (i.e. shutdown/conducting) of the first switching element 312a.
One end of the second coil winding 311b is also connect with working power VCC, and the other end passes through second switch element
312b is grounded, and the control terminal of the second switch element can pass through the second input port as the second input port 320b
The voltage of 320b controls the working condition (i.e. shutdown/conducting) of the second switch element 312b.
As shown in figure 3, first sustained diode, 1 and second sustained diode 2 then respectively with the first coil
Winding 311a and second coil winding 311b are connected in inverse parallel, and are formed the conductive channel of induced electromotive force, are avoided coil windings
The instantaneous high pressure reverse induction electromotive force of generation damages the first switching element and second switch element.
It is such, it can be believed by inputting corresponding voltage in first input port 320a and the second input port 320b
Number, control first coil winding 311a and second coil winding 311b is switched on or off, and realizes the action control to relay,
To further control the action of clutch.
For example, the first switching element conducting can be controlled, second switch element OFF makes clutch along first coil
Winding direction moves, and clutch is enabled to disconnect contacting for gear and transmission shaft, or the control second switch element conductive, the
The shutdown of one switch element makes clutch be moved along second coil winding direction, enables clutch engage gear and transmission shaft.
It will be appreciated by persons skilled in the art that in actual use, can specifically use any suitable electricity
Line structure either other suitable power devices as the switch element such as pliotron or metal-oxide-semiconductor.In this reality
It applies in example, as shown in figure 3, the first switching element and second switch element are pliotron.
In embodiments of the present invention, executing agency, the cut-out of driving clutch or engagement, Neng Goudai are used as by electromagnet
The clutch type of drive for taking the place of work rotary switch, avoids some drawbacks of mechanical clutch, can facilitate, is accurately real
Referring now to the control of clutch.Moreover, the mode of control can be realized by way of configuring, updating control logic, control is more
Add flexibly, can adapt to different application scenarios.
Below in conjunction with structural schematic diagram shown in Fig. 4, for having the electric hammer electric tool there are three types of operating mode, in detail
Illustrate the handover operation process of the operating mode of above-mentioned electric tool：
The electric hammer electric tool includes flat drill pattern, three kinds of operating modes of electric hammer pattern and electric pick pattern.Wherein, as schemed
First driving cog 301 shown in 4 is electric pick pattern, and the second driving cog 302 is electric hammer pattern, and third driving cog 303 is flat drill mould
Formula.
In the initial state, third driving cog 303 is connect with transmission shaft 304, the second driving cog 302 and the first driving cog
301 disengage (that is, the operating mode for giving tacit consent to electric tool is flat drill pattern) with transmission shaft 304.
First clutch 305 and second clutch 306 are right with first driving cog, 301 and second driving cog 302 respectively
It should be arranged, to control whether the first driving cog 301 and the second driving cog 302 engage with transmission shaft 304.
It is such, when the first driving cog 301 is engaged with transmission shaft 304, and the second driving cog 302 is disengaged with transmission shaft 304,
The electric hammer electric tool is then in electric pick pattern.If the second driving cog 302 is engaged with transmission shaft 304, the first driving cog 301 with
When transmission shaft 304 disengages, the electric hammer electric tool is then in electric hammer pattern.
The first clutch 305 and second clutch 306 are respectively by corresponding first Self-retaining electromagnet 307 and second
Self-retaining electromagnet 308 controls.For example, when first Self-retaining electromagnet 307 is moved to A phase coils, driving described first
Clutch 305 enables the first driving cog 301 be engaged with transmission shaft 304, and first Self-retaining electromagnet 307 is moved to B phase coils
When, then drive the first clutch 305 that the first driving cog 301 is enabled to be disconnected with transmission shaft 304.
In actual mechanical process, the electric hammer electric tool is enabled to power on first, system reset.The electronic work of the electric hammer
Tool is in flat drill pattern, and corresponding flat drill mode indicating lamp is lighted.
Then, controller detects whether there is specific control or configuration logic, and passes through communication module and external intelligence
It can equipment foundation connection.If connection need not be established, detect whether the control button 502 needs to configure new control logic.
The controller preferentially according to customized configuration logic (i.e. the transfer sequence of operating mode) input by user into
Row control.In case of absence, then preset default configuration logic is used.
Finally, start electric hammer electric tool and carry out operation.In operation process, control of the controller for all inputs
System instruction keeps effective.
It is such, when the electric hammer electric tool is in flat drill pattern, user can by press one-touch 501,
After controller receives this instruction, by the first Self-retaining electromagnet 307 of control and the second Self-retaining electromagnet 308 respectively to it
Respective A phase coils and the movement of B phase coils, to make electric hammer electric tool be switched to electric pick pattern.And in electric tool, with
The corresponding LED light of electric pick pattern is glittering.
In other cases, user can also change the control logic of storage in the controller by control button 502,
Adjust the transfer sequence of operating mode.After adjustment, user press one-touch 501 after, controller can according to instruction and
New control logic, by the first Self-retaining electromagnet 307 of control and the second Self-retaining electromagnet 308 respectively to its respective B phase
Coil and the movement of A phase coils, to which electric hammer electric tool is switched to electric hammer pattern.
It is of course also possible to there are communication connection channels using being established between electric hammer electric tool, can carry out data transmission
External equipment, realize the transmission of above-mentioned control instruction, such as by way of APP or webpage client.
The clutch on electric tool is applied to drive dress it should be noted that although the embodiment of the present invention provides only
It sets.But the content that those skilled in the art disclose according to above-described embodiment, can will be in electric tool that above-described embodiment provides
One or more function module combined with the clutch drive apparatus, form and electric clutch or be applied to it
It has in the tool of similar application scenario, obtains corresponding technique effect (between accurate, simple control different mode
The configuration method of switching and switching control is flexible, applied widely).
For example, the electric clutch may include clutch main body, the clutch drive apparatus, as control core
Controller and acquire the input equipment of user instruction, the engagement of clutch or disconnected is controlled by electric signal to realize
It opens.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (10)
1. a kind of electric clutch, including clutch main body, which is characterized in that further include：
Clutch drive apparatus, the clutch drive apparatus are used to, according to control instruction, the clutch main body be driven to engage
Or separation；
Input equipment, the input equipment is for acquiring at least one user instruction；
And controller, the controller are connect with the clutch drive apparatus and input equipment respectively, configured with preset
Control logic；The controller, according to the control logic, is exported for receiving the user instruction from the input equipment
Corresponding control instruction is to the clutch drive apparatus.
2. electric clutch according to claim 1, which is characterized in that the clutch drive apparatus includes：Electromagnet
And its driving circuit；
The driving circuit controls the movement of the electromagnet for receiving the control instruction.
3. electric clutch according to claim 2, which is characterized in that the electromagnet includes two phase lines being arranged oppositely
Enclose winding；
A phase coil winding is connected wherein, and when another phase coil winding disconnects, the electromagnet is for driving the clutch
Main body is moved along the corresponding direction of coil windings connected；
For receiving the control instruction, the movement for controlling the electromagnet includes the driving circuit：The driving circuit is used
In receiving the control instruction, according to the control instruction, the wherein phase coil winding controlled in two-phase coil windings is connected.
4. electric clutch according to claim 3, which is characterized in that the driving circuit specifically includes：Working power,
A pair of switches element and a pair of of fly-wheel diode；
The working power is connect with the coil windings, and the coil windings are grounded by the switch element；
The switch element has the input port for receiving control signal, and the work of switch element is determined according to control signal
State, the working condition include connecting or disconnecting；
The fly-wheel diode is connected in inverse parallel the conducting circuit that inverse electromotive force is formed in the coil windings both ends.
5. electric clutch according to claim 4, which is characterized in that the switch element be pliotron or
Metal-oxide-semiconductor.
6. electric clutch according to claim 4, which is characterized in that the electromagnet is Self-retaining electromagnet.
7. a kind of electric tool, which is characterized in that including：
Motor, the motor export power by a transmission shaft；
Several driving cogs；The operating mode of the driving cog and electric tool corresponds；
Electric clutch as described in claim 1-6 is any, the electric clutch are correspondingly arranged with the driving cog, are used for
Control the clutch state between the transmission shaft and corresponding driving cog.
8. electric tool according to claim 7, which is characterized in that further include：Display device, the display device and institute
State the controller connection of electric clutch, the operating mode for showing current electric tool.
9. electric tool according to claim 8, which is characterized in that the display device is LED light；The LED
Indicator light has several flash pattern, corresponding with the operating mode of current electric tool.
10. electric tool according to claim 7, which is characterized in that further include：Communications module；The communications module with
The controller of the electric clutch connects, and for receiving one or more control instruction, is transmitted to the controller.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/091062 WO2019000379A1 (en) | 2017-06-30 | 2017-06-30 | Electronic clutch and electric tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108352796A true CN108352796A (en) | 2018-07-31 |
| CN108352796B CN108352796B (en) | 2022-04-01 |
Family
ID=62961011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780003794.9A Active CN108352796B (en) | 2017-06-30 | 2017-06-30 | Electronic clutch and electric tool |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108352796B (en) |
| WO (1) | WO2019000379A1 (en) |
Citations (7)
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| US6863165B2 (en) * | 2002-05-02 | 2005-03-08 | Hilti Aktiengesellschaft | Overload protection arrangement for a rotatable power tool |
| CN1898067A (en) * | 2003-11-24 | 2007-01-17 | 怀特霍特解决方案公司 | Twin chuck drill with one drive shaft |
| CN102145654A (en) * | 2010-02-10 | 2011-08-10 | 陈启星 | Electric signal control type clutch system |
| CN102581343A (en) * | 2011-01-05 | 2012-07-18 | 株式会社牧田 | Electric power tool |
| CN102596508A (en) * | 2009-11-02 | 2012-07-18 | 株式会社牧田 | Power tool |
| CN104653658A (en) * | 2013-11-20 | 2015-05-27 | 现代自动车株式会社 | Clutch operating system |
| CN206918126U (en) * | 2017-06-30 | 2018-01-23 | 深圳和而泰智能控制股份有限公司 | Electric clutch and electric tool |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4468786B2 (en) * | 2004-10-28 | 2010-05-26 | 株式会社マキタ | Impact tools |
| CN102935636B (en) * | 2007-08-29 | 2015-02-04 | 苏州宝时得电动工具有限公司 | Speed change tool |
| AU2008314502B2 (en) * | 2007-10-19 | 2014-02-13 | Whitehot Solutions Pty Ltd | Multiple chuck hand tool |
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2017
- 2017-06-30 WO PCT/CN2017/091062 patent/WO2019000379A1/en active Application Filing
- 2017-06-30 CN CN201780003794.9A patent/CN108352796B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6863165B2 (en) * | 2002-05-02 | 2005-03-08 | Hilti Aktiengesellschaft | Overload protection arrangement for a rotatable power tool |
| CN1898067A (en) * | 2003-11-24 | 2007-01-17 | 怀特霍特解决方案公司 | Twin chuck drill with one drive shaft |
| CN102596508A (en) * | 2009-11-02 | 2012-07-18 | 株式会社牧田 | Power tool |
| CN102145654A (en) * | 2010-02-10 | 2011-08-10 | 陈启星 | Electric signal control type clutch system |
| CN102581343A (en) * | 2011-01-05 | 2012-07-18 | 株式会社牧田 | Electric power tool |
| CN104653658A (en) * | 2013-11-20 | 2015-05-27 | 现代自动车株式会社 | Clutch operating system |
| CN206918126U (en) * | 2017-06-30 | 2018-01-23 | 深圳和而泰智能控制股份有限公司 | Electric clutch and electric tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108352796B (en) | 2022-04-01 |
| WO2019000379A1 (en) | 2019-01-03 |
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