CN201069860Y - Dynamic source of electromotive tool and electromotive tool using this dynamic source - Google Patents
Dynamic source of electromotive tool and electromotive tool using this dynamic source Download PDFInfo
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- CN201069860Y CN201069860Y CNU2007201842318U CN200720184231U CN201069860Y CN 201069860 Y CN201069860 Y CN 201069860Y CN U2007201842318 U CNU2007201842318 U CN U2007201842318U CN 200720184231 U CN200720184231 U CN 200720184231U CN 201069860 Y CN201069860 Y CN 201069860Y
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- power source
- electric device
- output port
- servo controller
- output ports
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Abstract
The utility model discloses an electromotive apparatus which adopts a novel power source, comprising a split-type power source and at least two apparatus bodies, wherein at least two output ports are provided on the power source, the apparatus bodies can be inserted onto the output ports, the power source adopts an alternating current servo controller, the input end of the power source is supplied by alternating current city power, and permanent magnet brushless DC motors are adopted on the apparatus bodies. The service life of the apparatus is improved with energy saving, safety, flexibility and no interference in other apparatuses in working process; the precise and high-speed brake can be realized; workmen can work only by handholding the apparatus bodies with relatively light weight and small volume, thereby the labor intensity of workmen is greatly lowered, the working tiredness is relieved, and the working efficiency is improved. The utility model overcomes the technical prejudice in this field, adopts the technical scheme that one alternating current servo controller drives a plurality of permanent magnet brushless DC motors, solves the problem of high cost, and makes alternating current servo controller applying to these products possible, expanding the application range thereof.
Description
[technical field]
The utility model relates to hand-held type electric tool, mobile type electric tool, garden instrument, wood working tool class electric device and power source thereof, relates in particular to adopt traditional series machine or induction machine as the hand-held type electric tool of power source, mobile type electric tool, garden instrument, wood working tool field.
[background technology]
The work of hand-held type electric tool, mobile type electric tool, garden instrument, wood working tool class electric device all is to adopt motor that electric energy is converted into mechanical energy, makes related tool rotation or mobile, finishes related work.This series products all is to adopt series machine at present, and the part garden instrument also adopts induction machine.
There are many unsurmountable defectives in prior art:
1. the commutator of general series machine had only hundreds of individual hour useful life, and the life-span of commutator and carbon brush is directly restricting the life-span of entire product; Can produce electromagnetic interference electrical network or other wireless device during commutator work; Series machine is not accomplished accurate two closed-loop control; Because speed-regulating function is controlled voltage with the silicon controlled angle of flow, so torque ratio is less during series machine low speed; Series machine can not be realized accurately brake at a high speed.
Electric device particularly hand held appliance itself both comprised motor, comprise controller again, weight is very heavy, volume is big, has increased workman's operation intensity, easily causes work fatigue, influences operating efficiency.
3. though the applicant also expects adopting the AC servo controller to add the structure of permanent-magnet brushless DC electric machine, but Zheng Ti cost is higher like this, if an AC servo controller drives a permanent-magnet brushless DC electric machine, be 200 yuan of calculating with both costs, the cost of its single product just needs 400 yuan, increased product cost greatly, and low more its cost increase of product of body cost is obvious more.Therefore, those skilled in the art also the same with the applicant think always can't implement this technology on the above-mentioned electric device.
[summary of the invention]
The purpose of this utility model solves the problems of the prior art exactly, propose a kind of power source of electric device and adopt the electric device of this power source, use the electric device long service life of this power source, the control precision height, response can realize brake at a high speed at a high speed.
For achieving the above object, the utility model proposes a kind of electric device that adopts novel power source, power source and at least two apparatus bodies of comprising split, have at least two output ports on the power source, apparatus body is connected on the output port, described power source adopts the AC servo controller, and the input of power source is powered by electric main, adopts permanent-magnet brushless DC electric machine on the apparatus body.
As preferably, have 4 output ports on the power source, can connect an apparatus body on each output port.
As preferably, have 5 output ports on the power source, can connect an apparatus body on each output port.
As preferably, have 6 output ports on the power source, can connect an apparatus body on each output port.
As preferably, described AC servo controller comprises control board and power amplifier board, comprises digital signal processing chip and programmable logic chip on the control board, in conjunction with digital circuit and software control, produce the high-frequency impulse modulator control signal, after the power amplifier board power amplification, output to each output port.
As preferably, described permanent-magnet brushless DC electric machine comprises electronic switching circuit, rotor position detection circuit and motor body, and described electronic switching circuit, motor body, rotor position detection circuit constitute the closed-loop path successively.
As preferably, external armature that described motor body is coaxial and inner armature, external armature is fixing stator, and inner armature is movable rotor, and rotor is a permanent magnet.
For achieving the above object, the utility model has also proposed a kind of power source of electric device, has at least two output ports on the power source, but connection device body on the output port, described power source adopts the AC servo controller, and the input of power source is powered by electric main.
As preferably, have 4 or 5 or 6 output ports on the power source, can connect an apparatus body on each output port.
As preferably, described AC servo controller comprises control board and power amplifier board, comprises digital signal processing chip and programmable logic chip on the control board, in conjunction with digital circuit and software control, produce the high-frequency impulse modulator control signal, after the power amplifier board power amplification, output to each output port.
The beneficial effects of the utility model: 1. the utility model adopts the AC servo controller as power source, adopts permanent-magnet brushless DC electric machine on the apparatus body, adopts electronic commutation to replace original mechanical commutator, has improved the useful life of utensil greatly.Adopt accurate two closed-loop control, more energy-conservation than series machine, safer, more flexible, noiseless in the course of work to other equipment.Can realize accurately brake at a high speed.2. after the utility model separated power source and apparatus body, the workman only need hand that weight is light, the less apparatus body of volume just can be worked, and greatly reduces working strength of workers, has alleviated work fatigue, has improved operating efficiency.Adopt plug-in type can realize longer-distance operation, made things convenient for use.3. the utility model has overcome the technology prejudice of this area, the AC servo controller is combined application with permanent-magnet brushless DC electric machine, adopt an AC servo controller to drive the technical scheme of a plurality of permanent-magnet brushless DC electric machines, solved the high problem of cost, the AC servo controller is applied on this series products becomes possibility.Having expanded its range of application greatly, promoted the great development of electric tool, garden instrument, wood working tool industry, is the revolutionary change to this class industry.
Feature of the present utility model and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 is a structural representation of the present utility model.
[embodiment]
Embodiment one:
As shown in Figure 1, adopt the angle grinding machine of novel power source, comprise the power source 2 of split and the apparatus body 1 of at least two angle grinding machines, have at least two output ports 21 on the power source 2, but apparatus body 1 socket connection is to output port 21, described power source 2 adopts the AC servo controller, and the input of power source 2 is powered by electric main, adopts permanent-magnet brushless DC electric machine on the apparatus body 1.Have 4 or 5 or 6 output ports 21 on the power source 2, can connect an apparatus body 1 on each output port 21.
Described AC servo controller comprises control board and power amplifier board, comprise digital signal processing chip and programmable logic chip on the control board, in conjunction with digital circuit and software control, produce the high-frequency impulse modulator control signal, after the power amplifier board power amplification, output to each output port 21.This AC servo controller can adopt disclosed servo-driver in the CN1549441A patent.
Described permanent-magnet brushless DC electric machine comprises electronic switching circuit, rotor position detection circuit and motor body, and described electronic switching circuit, motor body, rotor position detection circuit constitute the closed-loop path successively.External armature that described motor body is coaxial and inner armature, external armature is fixing stator, and inner armature is movable rotor, and rotor is a permanent magnet.It is the power-up sequence and the time of each phase winding of control motor body stator that electronic switching circuit mainly acts on, and mainly is made of power tube, drive circuit and rotor-position signal processing module.It is real-time detection rotor position that rotor position detection circuit mainly acts on, for commutation provides foundation.
Embodiment two:
Adopt the cutting machine of novel power source, comprise the power source 2 of split and the apparatus body 1 of at least two cutting machines, have at least two output ports 21 on the power source 2, but apparatus body 1 socket connection is to output port 21, described power source 2 adopts the AC servo controller, the input of power source 2 is powered by electric main, adopts permanent-magnet brushless DC electric machine on the apparatus body 1.Have 4 or 5 or 6 output ports 21 on the power source 2, can connect an apparatus body 1 on each output port 21.
Described AC servo controller comprises control board and power amplifier board, comprise digital signal processing chip and programmable logic chip on the control board, in conjunction with digital circuit and software control, produce the high-frequency impulse modulator control signal, after the power amplifier board power amplification, output to each output port 21.This AC servo controller can adopt disclosed servo-driver in the CN1549441A patent.
Described permanent-magnet brushless DC electric machine comprises electronic switching circuit, rotor position detection circuit and motor body, and described electronic switching circuit, motor body, rotor position detection circuit constitute the closed-loop path successively.External armature that described motor body is coaxial and inner armature, external armature is fixing stator, and inner armature is movable rotor, and rotor is a permanent magnet.It is the power-up sequence and the time of each phase winding of control motor body stator that electronic switching circuit mainly acts on, and mainly is made of power tube, drive circuit and rotor-position signal processing module.It is real-time detection rotor position that rotor position detection circuit mainly acts on, for commutation provides foundation.
Embodiment three:
Adopt the hay mover of novel power source, comprise the power source 2 of split and the apparatus body 1 of at least two hay movers, have at least two output ports 21 on the power source 2, but apparatus body 1 socket connection is to output port 21, described power source 2 adopts the AC servo controller, the input of power source 2 is powered by electric main, adopts permanent-magnet brushless DC electric machine on the apparatus body 1.Have 4 or 5 or 6 output ports 21 on the power source 2, can connect an apparatus body 1 on each output port 21.
Described AC servo controller comprises control board and power amplifier board, comprise digital signal processing chip and programmable logic chip on the control board, in conjunction with digital circuit and software control, produce the high-frequency impulse modulator control signal, after the power amplifier board power amplification, output to each output port 21.This AC servo controller can adopt disclosed servo-driver in the CN1549441A patent.
Described permanent-magnet brushless DC electric machine comprises electronic switching circuit, rotor position detection circuit and motor body, and described electronic switching circuit, motor body, rotor position detection circuit constitute the closed-loop path successively.External armature that described motor body is coaxial and inner armature, external armature is fixing stator, and inner armature is movable rotor, and rotor is a permanent magnet.It is the power-up sequence and the time of each phase winding of control motor body stator that electronic switching circuit mainly acts on, and mainly is made of power tube, drive circuit and rotor-position signal processing module.It is real-time detection rotor position that rotor position detection circuit mainly acts on, for commutation provides foundation.
Embodiment four:
Adopt the electric chain saw of novel power source, comprise the power source 2 of split and the apparatus body 1 of at least two electric chain saws, have at least two output ports 21 on the power source 2, but apparatus body 1 socket connection is to output port 21, described power source 2 adopts the AC servo controller, the input of power source 2 is powered by electric main, adopts permanent-magnet brushless DC electric machine on the apparatus body 1.Have 4 or 5 or 6 output ports 21 on the power source 2, can connect an apparatus body 1 on each output port 21.
Described AC servo controller comprises control board and power amplifier board, comprise digital signal processing chip and programmable logic chip on the control board, in conjunction with digital circuit and software control, produce the high-frequency impulse modulator control signal, after the power amplifier board power amplification, output to each output port 21.This AC servo controller can adopt disclosed servo-driver in the CN1549441A patent.
Described permanent-magnet brushless DC electric machine comprises electronic switching circuit, rotor position detection circuit and motor body, and described electronic switching circuit, motor body, rotor position detection circuit constitute the closed-loop path successively.External armature that described motor body is coaxial and inner armature, external armature is fixing stator, and inner armature is movable rotor, and rotor is a permanent magnet.It is the power-up sequence and the time of each phase winding of control motor body stator that electronic switching circuit mainly acts on, and mainly is made of power tube, drive circuit and rotor-position signal processing module.It is real-time detection rotor position that rotor position detection circuit mainly acts on, for commutation provides foundation.
The utility model is applicable to electric devices such as all kinds of hand-held type electric tools, mobile type electric tool, garden instrument, wood working tool.
The foregoing description is to explanation of the present utility model, is not to qualification of the present utility model, any scheme after the utility model simple transformation is all belonged to protection range of the present utility model.
Claims (10)
1. adopt the electric device of novel power source, it is characterized in that: the power source (2) and at least two apparatus bodies (1) that comprise split, have at least two output ports (21) on the power source (2), apparatus body (1) is connected on the output port (21), described power source (2) adopts the AC servo controller, the input of power source (2) is powered by electric main, and apparatus body (1) is gone up and adopted permanent-magnet brushless DC electric machine.
2. the electric device of employing novel power source as claimed in claim 1 is characterized in that: have 4 output ports (21) on the power source (2), can connect an apparatus body (1) on each output port (21).
3. the electric device of employing novel power source as claimed in claim 1 is characterized in that: have 5 output ports (21) on the power source (2), can connect an apparatus body (1) on each output port (21).
4. the electric device of employing novel power source as claimed in claim 1 is characterized in that: have 6 output ports (21) on the power source (2), can connect an apparatus body (1) on each output port (21).
5. the electric device of employing novel power source as claimed in claim 1, it is characterized in that: described AC servo controller comprises control board and power amplifier board, comprise digital signal processing chip and programmable logic chip on the control board, in conjunction with digital circuit and software control, produce the high-frequency impulse modulator control signal, after the power amplifier board power amplification, output to each output port (21).
6. as the electric device of any one described employing novel power source in the claim 1 to 5, it is characterized in that: described permanent-magnet brushless DC electric machine comprises electronic switching circuit, rotor position detection circuit and motor body, and described electronic switching circuit, motor body, rotor position detection circuit constitute the closed-loop path successively.
7. the electric device of employing novel power source as claimed in claim 6 is characterized in that: external armature that described motor body is coaxial and inner armature, and external armature is fixing stator, and inner armature is movable rotor, and rotor is a permanent magnet.
8. the power source of electric device is characterized in that: have at least two output ports (21) on the power source, output port (21) but go up connection device body (1), described power source adopts the AC servo controller, the input of power source is powered by electric main.
9. the power source of electric device as claimed in claim 8 is characterized in that: have 4 or 5 or 6 output ports (21) on the power source (2), can connect an apparatus body (1) on each output port (21).
10. the power source of electric device as claimed in claim 8, it is characterized in that: described AC servo controller comprises control board and power amplifier board, comprise digital signal processing chip and programmable logic chip on the control board, in conjunction with digital circuit and software control, produce the high-frequency impulse modulator control signal, after the power amplifier board power amplification, output to each output port (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201842318U CN201069860Y (en) | 2007-10-15 | 2007-10-15 | Dynamic source of electromotive tool and electromotive tool using this dynamic source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201842318U CN201069860Y (en) | 2007-10-15 | 2007-10-15 | Dynamic source of electromotive tool and electromotive tool using this dynamic source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201069860Y true CN201069860Y (en) | 2008-06-04 |
Family
ID=39491246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201842318U Expired - Fee Related CN201069860Y (en) | 2007-10-15 | 2007-10-15 | Dynamic source of electromotive tool and electromotive tool using this dynamic source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201069860Y (en) |
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2007
- 2007-10-15 CN CNU2007201842318U patent/CN201069860Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiahe Tools Co., Ltd. Assignor: Jiang Weiliang|Wu Shiqing Contract fulfillment period: 2009.2.13 to 2014.2.28 Contract record no.: 2009330000623 Denomination of utility model: Power source of electric tool and electric tool adopting the power source Granted publication date: 20080604 License type: Exclusive license Record date: 20090413 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.2.13 TO 2014.2.28; CHANGE OF CONTRACT Name of requester: JIAHE TOOLS CO., LTD. Effective date: 20090413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080604 Termination date: 20151015 |
|
| EXPY | Termination of patent right or utility model |