CN201171285Y - Power supply and garden instrument using the power supply - Google Patents
Power supply and garden instrument using the power supply Download PDFInfo
- Publication number
- CN201171285Y CN201171285Y CNU2008200833477U CN200820083347U CN201171285Y CN 201171285 Y CN201171285 Y CN 201171285Y CN U2008200833477 U CNU2008200833477 U CN U2008200833477U CN 200820083347 U CN200820083347 U CN 200820083347U CN 201171285 Y CN201171285 Y CN 201171285Y
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- CN
- China
- Prior art keywords
- power source
- garden instrument
- output port
- servo controller
- tool
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a gardening tool adopting a novel power source, which comprises a split power source and at least two tool bodies. At least two output end ports are arranged on the power source, the tool bodies can be inserted and connected on the output end ports, the power source adopts an alternating-current servo controller, the electricity of the input end of the power source is supplied by AC commercial power, and the too bodies adopt permanent magnetism brushless DC electric machines. The service life of the tool is improved, the energy is saved, the use is safe and reliable, and the gardening tool has no interference on other equipment during the work and can realize that the brake is precise and quick. A worker can work by only needing to hold the tool bodies with lighter weight and smaller volume, thereby greatly lowering the labor intensity of the worker, releasing the working fatigue and improving the working efficiency. The gardening tool overcomes the technical prejudice of the field, and adopts the technical proposal that one AC servo controller drives a plurality of permanent magnetism brushless DC electric machines, thereby solving the problem of high cost, and causing the AC servo controller being applied to the products to be possible.
Description
[technical field]
The utility model relates to garden instrument and power source thereof.
[background technology]
The work of garden instrument 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.
There are many unsurmountable defectives in prior art:
1. the commutator of general series machine had only hundreds of individual hour service 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.
2. garden instrument itself had both comprised motor, comprised controller again, and weight is very heavy, and volume is big, had increased workman's operation intensity, easily caused work fatigue, influenced 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 garden instrument.
[summary of the invention]
The purpose of this utility model solves the problems of the prior art exactly, proposes a kind of power source and adopts the garden instrument of this power source, uses the garden instrument long service life of this power source, the control accuracy height, and response can realize brake at a high speed at a high speed.
For achieving the above object, the utility model proposes a kind of garden instrument that adopts novel power source, power source and at least two tool bodies of comprising split, have at least two output ports on the power source, tool 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 tool body.
As preferably, have 4 output ports on the power source, can connect a tool body on each output port.
As preferably, have 5 output ports on the power source, can connect a tool body on each output port.
As preferably, have 6 output ports on the power source, can connect a tool body on each output port.
As preferably, described AC servo controller comprises control panel and power amplifier board, comprises digital signal processing chip and programmable logic chip on the control panel, 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 are stator or rotor, and inner armature is corresponding rotor or stator, and rotor is a permanent magnet.
For achieving the above object, the utility model has also proposed a kind of power source, has at least two output ports on the power source, but fastening means 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 a tool body on each output port.
As preferably, described AC servo controller comprises control panel and power amplifier board, comprises digital signal processing chip and programmable logic chip on the control panel, 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 tool body, adopts electronic commutation to replace original mechanical commutator, has improved the service life of instrument 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 tool body, the workman only need hand that weight is light, the less tool 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 development of garden instrument industry, is the revolutionary change to the sector.
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 hand-push type mower of novel power source, comprise the power source 2 of split and the tool body 1 of at least two hand-push type mowers, have at least two output ports 21 on the power source 2, but tool 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 tool body 1.Have 4 or 5 or 6 output ports 21 on the power source 2, can connect a tool body 1 on each output port 21.
Described AC servo controller comprises control panel and power amplifier board, comprise digital signal processing chip and programmable logic chip on the control panel, 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 are stator or rotor, and inner armature is corresponding rotor or stator, 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 lawn mower of novel power source, comprise the power source 2 of split and the tool body 1 of at least two lawn mowers, have at least two output ports 21 on the power source 2, but tool 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 tool body 1.Have 4 or 5 or 6 output ports 21 on the power source 2, can connect a tool body 1 on each output port 21.
Described AC servo controller comprises control panel and power amplifier board, comprise digital signal processing chip and programmable logic chip on the control panel, 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 are stator or rotor, and inner armature is corresponding rotor or stator, 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 beta pruning machine of novel power source, comprise the power source 2 of split and the tool body 1 of at least two beta pruning machines, have at least two output ports 21 on the power source 2, but tool 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 tool body 1.Have 4 or 5 or 6 output ports 21 on the power source 2, can connect a tool body 1 on each output port 21.
Described AC servo controller comprises control panel and power amplifier board, comprise digital signal processing chip and programmable logic chip on the control panel, 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 are stator or rotor, and inner armature is corresponding rotor or stator, 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 can be widely used in garden instruments such as hedge trimmer, mower, and the relevance of granting the structure of instrument itself and principle in fact is little, highly versatile.
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 domain of the present utility model.
Claims (10)
1. adopt the garden instrument of novel power source, it is characterized in that: the power source (2) and at least two tool bodies (1) that comprise split, have at least two output ports (21) on the power source (2), tool 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 tool body (1) is gone up and adopted permanent-magnet brushless DC electric machine.
2. the garden instrument 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 a tool body (1) on each output port (21).
3. the garden instrument 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 a tool body (1) on each output port (21).
4. the garden instrument 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 a tool body (1) on each output port (21).
5. the garden instrument of employing novel power source as claimed in claim 1, it is characterized in that: described AC servo controller comprises control panel and power amplifier board, comprise digital signal processing chip and programmable logic chip on the control panel, 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 garden instrument 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 garden instrument 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, external armature are stator or rotor, and inner armature is corresponding rotor or stator, and rotor is a permanent magnet.
8. the power source of garden instrument is characterized in that: have at least two output ports (21) on the power source, output port (21) but go up fastening means 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 garden instrument 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 a tool body (1) on each output port (21).
10. the power source of garden instrument as claimed in claim 8, it is characterized in that: described AC servo controller comprises control panel and power amplifier board, comprise digital signal processing chip and programmable logic chip on the control panel, 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 |
|---|---|---|---|
| CNU2008200833477U CN201171285Y (en) | 2008-02-03 | 2008-02-03 | Power supply and garden instrument using the power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200833477U CN201171285Y (en) | 2008-02-03 | 2008-02-03 | Power supply and garden instrument using the power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201171285Y true CN201171285Y (en) | 2008-12-31 |
Family
ID=40198389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200833477U Expired - Fee Related CN201171285Y (en) | 2008-02-03 | 2008-02-03 | Power supply and garden instrument using the power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201171285Y (en) |
-
2008
- 2008-02-03 CN CNU2008200833477U patent/CN201171285Y/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.: 2009330000628 Denomination of utility model: Power supply and garden instrument using the power supply Granted publication date: 20081231 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20160203 |