CN103986378A - Dual-power motor drive system - Google Patents
Dual-power motor drive system Download PDFInfo
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- CN103986378A CN103986378A CN201410195869.6A CN201410195869A CN103986378A CN 103986378 A CN103986378 A CN 103986378A CN 201410195869 A CN201410195869 A CN 201410195869A CN 103986378 A CN103986378 A CN 103986378A
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- power supply
- electrically connected
- driver
- transistorized
- motor driving
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Abstract
The invention provides a dual-power motor drive system. The dual-power motor drive system comprises a first power generator, a second power generator, a motor and a driver, wherein the first power generator generates first power, the second power generator generates second power, the motor is electrically connected to the first power generator and receives the first power, and the driver is electrically connected between the second power generator and the motor and receives the second power to control and drive the motor. Through the structure and according to the motor drive system, the two different power generators are used for supplying different power to the motor and the driver, and therefore pulsed power signals can be prevented from being input to the driver, and electrical noise is reduced and even eliminated.
Description
The application is to be that August 26, application number in 2005 are 200510093954.2 and the dividing an application of the denomination of invention application for a patent for invention that is " duplicate power supply motor driving system " the applying date.
Technical field
The present invention relates to a kind of motor-driven system, relate in particular to the motor-driven system that a kind of driver and motor are respectively connected to different electrical power.
Background technology
Refer to shown in Figure 1A, disclose a kind of traditional motor-driven system 1, it is mainly comprised of a driver 10 and a coil 11, wherein said coil 11 is electrically connected on described driver 10, and described driver 10 is electrically connected on a power generation device 12, and receive a power supply V of described power generation device
cC, described driver 10 can be from described power supply V
cCreceive its required operating voltage, and export accordingly a drive current to described coil 11.
Refer to shown in Figure 1B, disclose another kind of traditional motor-driven system 1, itself and the difference place of said motor drive system 1, be only described driver 10 electrical connection a plurality of coils 11 (being expressed as two in figure).
Above-mentioned two kinds of conventional motor driven systems 1, the mode that it controls rotating speed, is all to utilize to change this power supply V
cCsize reach, but this type of controls fast mode because being limited to the operating voltage of described driver 10, so its to control fast scope too narrow, therefore this technology cannot meet the needs in industry gradually.
Referring again to the motor-driven system 2 shown in Fig. 2 A and Fig. 2 B, it is that driver 10 described in Figure 1A and Figure 1B and described coil 11 are applied as to a fan motor 20, wherein one end of the fan motor 20 of wherein said Fig. 2 A is electrically connected on a power generation device 23, to receive a power supply V of described power generation device
cCand other one end of described fan motor 20 is electrically connected on a collector electrode C of a transistor 21, an emitter E of described transistor 21 is electrically connected on an earth terminal, and a base stage B of described transistor 21 is electrically connected on a pulse-width signal generation source 22; Shown in Fig. 2 B with the difference place shown in Fig. 2 A, the one end that is mainly the fan motor 20 of described Fig. 2 B is electrically connected on described earth terminal, and its other end is electrically connected on the described collector electrode C of described transistor 21, and the emitter E of described transistor 21 is electrically connected on described power generation device 23, the described base stage B of described transistor 21 is still electrically connected on described pulse-width signal and produces source 22; The motor-driven system 2 of above-mentioned Fig. 2 A and Fig. 2 B, the base stage B of its transistor 21 can produce source 22 from described pulse-width signal and receive a pulse-width signal S
pWM(PULSE WIDTH MODULATION; And utilize described pulse-width signal S PWM),
pWMcontrol opening or closing of described transistor 21, and further control the rotating speed of described fan motor 20; Yet this control mode is when carrying out ON/OFF action, although therefore described fan motor 20 can obtain the effect of modulation rotating speed, yet because the described driver (not shown) of described fan motor 20 also carries out ON/OFF action simultaneously, therefore noise when switching is opened/opened in generation, and there is the generation of electric noise, tangible is not a kind of good design, and has necessity of improvement.
Summary of the invention
Therefore, for addressing the above problem, the present invention proposes a kind of duplicate power supply motor driving system, it is mainly comprised of a first power generation device, a second source generator, a motor and a driver, this motor is electrically connected on described the first power generation device and receives first power supply, described actuator electrical is connected between described second source generator and described motor, and receives a second source to control the described motor of driving; By above-mentioned, described driver and described motor are received respectively to different electrical power, thus, although input to the first power supply of described motor, it is a pulsed power supplies signal, also the described driver of unlikely impact, and can therefore reduce the generation of even eliminating electric noise, be a design that has novelty and progressive in fact.
For above and other objects of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and coordinate accompanying drawing, be described in detail below.
Accompanying drawing explanation
Figure 1A is the composition schematic diagram of the first conventional motor driven system.
Figure 1B is the composition schematic diagram of the second conventional motor driven system.
Fig. 2 A is the composition schematic diagram of the third conventional motor driven system.
Fig. 2 B is the composition schematic diagram of the 4th kind of conventional motor driven system.
Fig. 3 A is the composition schematic diagram of duplicate power supply motor driving system of the present invention.
Fig. 3 B is the composition schematic diagram of another embodiment of duplicate power supply motor driving system of the present invention.
[primary clustering symbol description]
1 motor-driven system 2 motor-driven systems
3 motor-driven systems
10 driver 11 coils
12 power generation device 20 fan motors
21 transistor 22 pulse-width signals produce source
23 power generation device 30 first power generation devices
40 second source generator 50 motors
51 coil 52 switch modules
60 drivers
S
pWMpulse-width signal S
dRIdrive signal
V
cCpower supply V
cC1 first power supply
V
cC2 second source B base stages
C collector electrode E emitter
Embodiment
Please refer to Fig. 3 A, duplicate power supply motor driving system 3 of the present invention is mainly comprised of a first power generation device 30, second source generator 40, a motor 50 and a driver 60.
Described the first power generation device 30 can produce a first power supply V
cC1, and described the first power supply V
cC1 can be a d. c. voltage signal or is a pulsed power supplies signal, and wherein said d. c. voltage signal is adjustable signal, and described pulsed power supplies signal can be embodied as a triangular signal or be a square-wave signal, for example, can be a pulse-width signal.
Described second source generator 40 can produce a second source V
cC2, and described second source V
cC2 is an adjustable d. c. voltage signal.
Described motor 50 is electrically connected on described the first power generation device 30, and can receive described the first power supply V
cC1, in the present embodiment, described motor 50 is a semibridge system connected mode, it comprises two coils 51 and two switch modules 52, a first end of described two coils 51 is electrically connected on described the first power generation device 30, and second end of described two coils 51 is electrically connected on respectively its corresponding switch module 52; Described two switch modules 52 can be embodied as a transistor in the present embodiment, described second end of described two coils 51 can be electrically connected to described two transistorized one collector electrode C, and described two transistorized one emitter E are electrically connected on an earth terminal.
Described driver 60 is electrically connected between described second source generator 40 and described motor 50, and described driver 60 receives described second source V
cC2 drive described motor 50 to control, and in the present embodiment, described driver 60 can be embodied as a microprocessor, can be according to described second source V
cC2 to produce a plurality of driving signal S
dRIto input to a base stage B of described two switch modules 52, and control accordingly the keying of described two switch modules 52, when described two coils 51 receive described the first power supply V
cC1 and have electric current to flow through, and when described switch module 52 is opened, it is excitatory that described two coils 51 are able to, and make described motor 50 rotate.
By above-mentioned described motor 50, receive respectively different power supplys from described driver 60, even described the first power supply V
cC1 is described pulsed power supplies signal, also unlikely described driver 60 is impacted, and does not have thus the generation of electric noise, and be applied to more pogoniasis, wants quiet place.
Referring again to Fig. 3 B, for another preferred embodiment of the present invention, the difference place of the present embodiment and previous embodiment wherein, only be that motor described in the present embodiment 50 changes full-bridge type connected mode into, it is comprised of a coil 51 and a plurality of switch modules 52 (being four shown in figure), each switch module in described a plurality of switch module 52 is also embodied as a transistor at this, and described coil 51 is electrically connected on described transistorized collector electrode C, in addition, described transistorized base stage B is electrically connected on described driver 60 to receive described driving signal S
dRI, and wherein in a plurality of switch modules, two transistorized emitter E are electrically connected on described the first power generation device 30, two other transistorized emitter E is electrically connected on described earth terminal.Described in the present embodiment, drive signal S
dRIcan control described a plurality of transistorized intersection and open or close, and the sense of current that described coil 51 is flowed through is replaced, and order about the running of this motor 50.
The foregoing is only exemplary, rather than restrictive.Anyly do not depart from spirit of the present invention and category, and the equivalent modifications that it is carried out or change all should be contained in the application's claim.
Claims (13)
1. a duplicate power supply motor driving system, is characterized in that comprising:
A first power generation device, produces first power supply;
A second source generator, produces a second source;
A motor, is directly electrically connected on described the first power generation device, and described motor directly receives described the first power supply and rotates; And
A driver, is electrically connected between described second source generator and described motor, and described driver receives described second source and drives described motor to control.
2. duplicate power supply motor driving system as claimed in claim 1, is characterized in that, described the first power supply is a d. c. voltage signal or a pulse wave formula power supply signal.
3. duplicate power supply motor driving system as claimed in claim 2, is characterized in that, described d. c. voltage signal is an adjustable signal.
4. duplicate power supply motor driving system as claimed in claim 1, is characterized in that, described the first power supply is a triangular signal, a square-wave signal or a pulse-width signal.
5. duplicate power supply motor driving system as claimed in claim 1, is characterized in that, described second source is an adjustable d. c. voltage signal.
6. duplicate power supply motor driving system as claimed in claim 1, is characterized in that, described motor is that a semibridge system connects, and it includes a plurality of coils and a plurality of switch module, and described switch module is directly electrically connected between described coil and described driver; Wherein said driver to produce a plurality of driving signals to input to described two transistorized one base stages, and is controlled described two transistorized keyings according to described second source accordingly, and makes described revolution.
7. duplicate power supply motor driving system as claimed in claim 6, is characterized in that, each switch module in described a plurality of switch modules is a transistor.
8. duplicate power supply motor driving system as claimed in claim 7, it is characterized in that, a described transistorized collector electrode is electrically connected on described coil, and a described transistorized base stage is electrically connected on described driver, and a described transistorized emitter is electrically connected on an earth terminal.
9. the duplicate power supply motor driving system as described in claim 1 or 6, is characterized in that, described driver is a microprocessor, and the described second source of foundation is to produce a plurality of driving signals.
10. duplicate power supply motor driving system as claimed in claim 1, is characterized in that, described motor is that a full-bridge type connects, and it includes one group of coil and a plurality of switch module, and described switch module is directly electrically connected between described coil and described driver.
11. duplicate power supply motor driving systems as claimed in claim 10, it is characterized in that, described driver to produce a plurality of driving signals to input to described two transistorized one base stages, and is controlled described two transistorized keyings according to described second source accordingly, and makes described revolution.
12. duplicate power supply motor driving systems as claimed in claim 11, is characterized in that, each switch module in described a plurality of switch modules is a transistor.
13. duplicate power supply motor driving systems as claimed in claim 12, it is characterized in that, a described transistorized collector electrode is electrically connected on described coil, and a described transistorized base stage is electrically connected on described driver, and wherein two transistorized emitters are electrically connected on described the first power generation device, other two transistorized one emitters are electrically connected on an earth terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410195869.6A CN103986378A (en) | 2005-08-26 | 2005-08-26 | Dual-power motor drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410195869.6A CN103986378A (en) | 2005-08-26 | 2005-08-26 | Dual-power motor drive system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100939542A Division CN1921288A (en) | 2005-08-26 | 2005-08-26 | Duplicate power supply motor driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103986378A true CN103986378A (en) | 2014-08-13 |
Family
ID=51278229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410195869.6A Pending CN103986378A (en) | 2005-08-26 | 2005-08-26 | Dual-power motor drive system |
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| CN (1) | CN103986378A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1073870A1 (en) * | 1982-08-30 | 1984-02-15 | Мордовский Ордена Дружбы Народов Государственный Университет Им.Н.П.Огарева | Method of controlling double-supply electric motor |
| US5963442A (en) * | 1997-12-26 | 1999-10-05 | Matsushita Electric Industrial Co., Ltd. | Inverter system for driving motor |
| CN1484373A (en) * | 2003-05-07 | 2004-03-24 | 何伟斌 | Constant current driver for step motor |
| US20040056617A1 (en) * | 2001-08-10 | 2004-03-25 | Hansjorg Berroth | Method of controlling the commutation in an electronically commutated motor, and an electronically commutated motor for carrying out said method |
| JP2005039403A (en) * | 2003-07-17 | 2005-02-10 | Matsushita Electric Ind Co Ltd | Inverter controller |
-
2005
- 2005-08-26 CN CN201410195869.6A patent/CN103986378A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1073870A1 (en) * | 1982-08-30 | 1984-02-15 | Мордовский Ордена Дружбы Народов Государственный Университет Им.Н.П.Огарева | Method of controlling double-supply electric motor |
| US5963442A (en) * | 1997-12-26 | 1999-10-05 | Matsushita Electric Industrial Co., Ltd. | Inverter system for driving motor |
| US20040056617A1 (en) * | 2001-08-10 | 2004-03-25 | Hansjorg Berroth | Method of controlling the commutation in an electronically commutated motor, and an electronically commutated motor for carrying out said method |
| CN1484373A (en) * | 2003-05-07 | 2004-03-24 | 何伟斌 | Constant current driver for step motor |
| JP2005039403A (en) * | 2003-07-17 | 2005-02-10 | Matsushita Electric Ind Co Ltd | Inverter controller |
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