CN101436840A - Motor device and motor control speed system - Google Patents
Motor device and motor control speed system Download PDFInfo
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- CN101436840A CN101436840A CNA2007101867269A CN200710186726A CN101436840A CN 101436840 A CN101436840 A CN 101436840A CN A2007101867269 A CNA2007101867269 A CN A2007101867269A CN 200710186726 A CN200710186726 A CN 200710186726A CN 101436840 A CN101436840 A CN 101436840A
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Abstract
The invention discloses a motor device and a motor speed control system. Two power signal lines and a feedback/speed control signal line are coupled between a control device and the motor device, wherein the control device is electrically connected with the motor device by the two power lines, and by the feedback/speed control signal line, signals from the control device and the motor device can be bidirectionally transmitted.
Description
Technical field
The present invention relates to a kind of motor apparatus and motor control speed system.
Background technology
Existing control motor apparatus with in order to couple usually between the control device of controlling its rotation quite in a large number and the complicated holding wire of annexation, for instance, common in order to control motor apparatus (for example brushless motor of using in order to drive fan) motor control speed system as shown in Figure 1, couple positive power signal line 161 between control device 12 and the motor apparatus 14, negative power signal line 162 so that control device 12 be electrically connected to each other with motor apparatus 14, in addition, speed control signal line 163 transfers to motor apparatus 14 with the speed control signal that control device 12 produces, make motor apparatus 14 processor inside (figure does not show) carry out the rotation of specific speed with CD-ROM drive motor device 14 according to the speed control signal of control device 12, the speed feedback signal line that is coupled between control device 12 and the motor apparatus 14 then is to transfer in the control device 12 in order to the feedback signal that motor apparatus 14 internal processors are produced, and makes control device 12 confirm whether the rotating speed of motor apparatus 14 under each sequential accords with the pairing speed setting of speed control signal under this sequential according to the feedback signal that receives.
Hence one can see that, in order to monitor the rotation of motor apparatus 14 exactly, must couple at least four signal line between the control device 12 of motor apparatus 14 and its action of control, that is above-mentioned positive power signal line 161, negative power signal line 162, speed control signal line 163 and speed feedback signal line 164, wherein, speed control signal line 163 and speed feedback signal line 164 are respectively in order to transmit by control device 12 to motor apparatus 14 and by the signal of motor apparatus 14 to control device 12, that is to say that speed control signal line 163 and speed feedback signal line 164 are all the holding wire of one-way transmission.Yet, control signal between control device 12 and the motor apparatus 14 does not singly have only above-mentioned speed control signal, feedback signal, more comprise drive signal, clock signal ... or the like, in order to transmit these signals, between the application upper controller 12 of reality and motor apparatus 14, except above-mentioned four signal line, more couple many holding wires.Be with, whole circuit framework is not only considerably complicated, and for element cost, assembling man-hour and plant failure rate negative influence is arranged all.
Therefore, how to simplify the control circuit of tumbler but the usefulness that do not influence control had become one of considerable problem in the fast technology of control already.
Summary of the invention
Because above-mentioned problem, the invention provides a kind of motor apparatus and motor control speed system, but the feedback of its utilization transmitted in both directions signal/speed control signal line is to simplify the circuit design between control device and the motor apparatus, so, from the speed control signal of control device and from the feedback signal of motor apparatus all by same holding wire to transmit, therefore can reach and simplify circuit, reduce cost and the purpose of plant failure rate.
For reaching above-mentioned purpose, a kind of motor control speed system that discloses according to the present invention at first, comprise a control device, a motor apparatus and be coupled to control device and motor apparatus between many signal line, wherein, holding wire comprises two power supply signal lines and a feedback/speed control signal line; Be with, after control device produces a speed control signal, transfer in the motor apparatus by the feedback/speed control signal line that is coupled between control device and the motor apparatus, and motor apparatus in control circuit receive this speed control signal after, carry out corresponding rotation and produce a feedback signal simultaneously with the CD-ROM drive motor device according to this speed control signal, and again with this feedback signal by feedback/speed control signal line to feed back in the control device, make control device according to feedback signal to judge whether action normally of motor apparatus.
For reaching above-mentioned purpose, a kind of motor apparatus that discloses according to the present invention more, it is electrically connected at a control device, and this motor apparatus comprises a control circuit and many signal line, described holding wire is coupled between control circuit and the control device, and comprises two power supply signal lines and a feedback/speed control signal line; Wherein, control device produces a speed control signal and rotates with the control motor apparatus, and motor apparatus produces a feedback signal feeding back in the control device after rotation, and above-mentioned speed control signal and feedback signal all feedback/speed control signal the line by having two-way transmission capabilities with transmission.
From the above, a kind of motor apparatus of the present invention and motor control speed system utilization have the holding wire of two-way transmission capabilities with the signal of transmission from control device and motor apparatus.So, compared to existing technologies, motor apparatus of the present invention and motor control speed system not only have the circuit design of comparatively simplifying, and control device still can be controlled the rotating speed of motor apparatus accurately, motor apparatus also can be carried out the feedback of rotating speed simultaneously, can normally move to guarantee motor.
Description of drawings
Fig. 1 is the block schematic diagram of existing motor control speed system;
Fig. 2 is the block schematic diagram of motor control speed system of the present invention;
Fig. 3 is the box structure schematic diagram of the brushless motor of application motor control speed system of the present invention; And
Fig. 4 is the opposing party's block structure schematic diagram of the brushless motor of application motor control speed system of the present invention.
The reference numeral explanation
12,22: control device 14,24: motor apparatus
161: positive power signal line 162: the negative power signal line
163: speed control signal line 164: feedback signal line
2: motor control speed system 241: control circuit
242: rotor 261: the positive power signal line
262: negative power signal line 263: feedback/speed control signal line
34: brushless motor 341: microprocessor
342: fan 42: diode
44: capacitor 46: switch element
521: high pass filter 522: low pass filter.
Embodiment
Hereinafter with reference to correlative type, a kind of motor apparatus and motor control speed system according to preferred embodiment of the present invention are described, wherein, components identical will be illustrated with the components identical symbol.
Please refer to shown in Figure 2, it is the block schematic diagram of a kind of motor control speed system that the present invention discloses, motor control speed system 2 comprise a control device 22, a motor apparatus 24 and be coupled to control device 22 and motor apparatus 24 between a positive power signal line 261, a negative power signal line 262 and a feedback/speed control signal line 263.Be with, control device 22 control motor apparatus 24, and further make motor apparatus 24 can drive the action with the rotor 242 of its binding, the rotary state that while motor apparatus 24 also feeds back rotor 242 simultaneously is to control device 22, so that control device 22 can be monitored the action of motor apparatus 24 and rotor 242 simultaneously.
In order to control the rotating speed of motor apparatus 24 accurately, control device 22 produces a speed control signal, and the motor apparatus 24 after rotating produces corresponding feedback signal according to the state that rotates, so, after control device 22 produces speed control signal, by feedback/speed control signal line 263 speed control signal is transferred to the control circuit 241 in the motor apparatus 24, through then rotating and then drive the action of rotor 242 after the computing of control circuit 241 with the rotating speed CD-ROM drive motor device 24 of correspondence, continue, control circuit 241 again according to the actual speed of motor apparatus 242 (or according to the frequency signal of tumbler change action, or the tach signal that gets with conversion according to frequency signal) to produce corresponding feedback signal, and by feedback/speed control signal line 263 to feed back to control device 22, therefore, control device 22 can be according to the feedback signal that receives to judge whether motor apparatus 24 moves with correct rotating speed under specific sequential.
Wherein, the speed control signal of these control device 22 generations can be pulse signal (for example voltage signal or voltage-controlled signal), pulse width modulating signal or the integrated signal of above-mentioned pulse signal and pulse width modulating signal that control device 22 is produced.Motor apparatus 24 can be brushless motor, and the rotor 242 that links with motor apparatus 24 can be fan; And the feedback signal that motor apparatus 24 produces can be the tach signal or the frequency signal of motor apparatus 24; Control circuit 241 computing signals and data then can be by motor driven chip, the microprocessors of its inside ... wait control element with realization, and more can be by switch element (not being illustrated in this figure) to be coupled between control element and feedback/speed control signal line.
With the next motor apparatus that discloses according to the present invention again and motor control speed system to propose two kinds of different enforcement aspects, please respectively with reference to Fig. 3 and shown in Figure 4.
At first please refer to shown in Figure 3, it is for using a kind of brushless motor 34 of the present invention, it links a fan 342 and drives this fan 342 rotating, and brushless motor 34 by a positive power signal line 261, a negative power signal line 262 and a feedback/speed control signal line 263 to be coupled to a control device 22.Wherein, this control device 22 produce in order to the speed control signal of control brushless motor 34 and by feedback/speed control signal line 263 to transfer to brushless motor 34, and the speed control signal in this enforcement aspect is a voltage signal, receive the voltage signal of control speed when brushless motor 34 after, the control element that it is inner, (for example: the relation the Vcc of full position) is to calculate corresponding rotating speed with driving voltage according to this voltage signal as 341 of motor driven IC or microprocessors, and utilize the rotating speed that calculates to drive brushless motor 34, and then drive fan 342 rotates, microprocessor 341 more detects the switching frequency (that is actual rotation speed of fan 342) of brushless motor 34 reality by a phase detecting circuit (not being illustrated among the figure) simultaneously, to produce corresponding feedback signal (for example frequency signal), again by feedback/speed control signal line 263 feedback signal is transferred to control device 22.
Though in order to the voltage signal of controlling speed and feedback signal all by feedback/speed control signal line 263 to transmit, but because transmission direction, character and the frequency of two kinds of signals are all inequality, therefore two kinds of interference between signals be can't cause, the control efficiency of 22 pairs of brushless motor 34 rotating speeds of control device or the accuracy of brushless motor 34 feedback relative rotation speeds can not influenced yet.
In addition, at these brushless motor 34 generation circuit frameworks that feedback signal adopted of implementing in the aspect is opener utmost point loop (open collector) design, therefore, comprising a diode 42 and a capacitor 44, one end of diode 42 is coupled to feedback/speed control signal line 263, and an end of capacitor 44 is coupled to the other end of diode 42 and is coupled to microprocessor 341 in the brushless motor 34 again, and the other end of capacitor 44 then is a ground connection; And microprocessor 341 more couples with a switch element 46, and wherein switch element 46 can be a transistor, and for instance, to can be but be non-limiting be a NPN type two-carrier junction transistor to switch element 46 in the application of reality.Only above-mentioned circuit framework is a wherein a kind of implementation method of implementing aspect for this reason only, is not for limiting the circuit design of the present invention when the practical application, that is, all can be considered the scope that the present invention is contained to foregoing circuit design equivalence or similar circuit framework.
Continuing, it is shown in Figure 4 to please refer to, it is also for using a kind of brushless motor of the present invention, similar to enforcement aspect shown in Figure 3, difference is that then feedback/speed control signal line 263 more couples a filter unit between control device 22 and brushless motor 34, wherein this filter unit comprises a high pass filter 521 and a low pass filter 522, and high pass filter 521 is incorporated in the brushless motor 34 and the microprocessor 341 inner with it couples, and 522 of low pass filters are incorporated in the control device 22.
In addition, owing to implement the application that aspect is all brushless motor for above-mentioned two kinds, wherein the phase signal sample circuit that is converted into feedback signal in order to the actual speed with brushless motor can be hall sensor, be with, can be by hall sensor detecting the switching frequency of brushless motor earlier, and then the control element that detected switching frequency is back to the brushless motor inner control circuit is to carry out computing and to convert the feedback signal that control device can read to.Because the detection and the conversion method of this signal are existing technology, so do not give unnecessary details at this.
According to the technical characterictic of above-mentioned exposure as can be known, signal wire transmits speed control signal and feedback signal that a kind of motor apparatus that the present invention proposes and motor control speed system utilization have two-way transmission capabilities, the integrated circuit framework is simplified, reduce the expenditure of whole hardware cost, the man-hour of minimizing assembling simultaneously, and can reduce the probability that single component failure causes the overall architecture fault owing to the minimizing of member.
The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be included in the claim of the present invention its equivalent modifications of carrying out or change.
Claims (18)
1, a kind of motor control speed system comprises:
One control device produces a speed control signal;
One motor apparatus produces a feedback signal; And
One feedback/speed control signal line is coupled between this motor apparatus and this control device;
Wherein, this speed control signal is sent to this motor apparatus via this feedback/speed control signal line, and this feedback signal is sent to this control device via this feedback/speed control signal line.
2, motor control speed system as claimed in claim 1, wherein, this speed control signal is an integrated signal of a pulse signal, a pulse width modulating signal or this pulse signal and this pulse width modulating signal.
3, motor control speed system as claimed in claim 1, wherein, this speed control signal voltage signal or voltage-controlled signal, this feedback signal is tach signal, the frequency signal of voltage signal, voltage-controlled signal or this motor apparatus.
4, motor control speed system as claimed in claim 1, wherein, this motor apparatus more comprises:
One phase signal sample circuit, all commutation position signals that produced when detecting this motor apparatus running, and obtain corresponding phase signal output;
One control circuit, itself and this phase signal sample circuit couples, and in order to receiving this phase signal, and produces this feedback signal output.
5, motor control speed system as claimed in claim 1, wherein, this motor apparatus more comprises a control circuit, itself and this feedback/speed control signal line couples, in order to export this feedback signal.
6, as claim 4 or 5 described motor control speed systems, wherein, this control circuit comprises:
One control element; And
One switch element, itself and this control element and this feedback/speed control signal line couple.
7, motor control speed system as claimed in claim 6, wherein, this control element is a motor driven IC or a microprocessor, this switch element is a transistor.
8, motor control speed system as claimed in claim 7, wherein, this control circuit more comprises a diode and a capacitor, one end of this diode and this feedback/speed control signal line couple, one end of the other end of this diode and this capacitor couples and is coupled to this control element again, the other end ground connection of this capacitor.
9, motor control speed system as claimed in claim 1, wherein, this control device has more one first filter element, and this motor apparatus has one second filter element, and this first filter element and this second filter element and this feedback/speed control signal line couple.
10, motor control speed system as claimed in claim 9, wherein, this first filter element is a low-pass filtering element, this second filter element is a high-pass filtering element.
11, a kind of motor apparatus electrically connects with a control device, and this motor apparatus comprises:
One control circuit is in order to produce feedback signal output; And
One feedback/speed control signal line is coupled between this control circuit and this control device;
Wherein, the speed control signal that this control device is controlled this motor apparatus transmits via this feedback/speed control signal line, and this feedback signal then is sent to this control device via this feedback/speed control signal line.
12, motor apparatus as claimed in claim 11, wherein, this speed control signal is an integrated signal of a pulse signal, a pulse width modulating signal or this pulse signal and this pulse width modulating signal.
13, motor apparatus as claimed in claim 11, wherein, this speed control signal is voltage signal or voltage-controlled signal, this feedback signal is tach signal, the frequency signal of voltage signal, voltage-controlled signal or this motor apparatus.
14, motor apparatus as claimed in claim 11, wherein, this control circuit comprises:
One control element; And
One switch element, itself and this control element and this feedback/speed control signal line couple.
15, motor apparatus as claimed in claim 14, wherein, this control element is a motor driven IC or a microprocessor, this switch element is a transistor.
16, motor apparatus as claimed in claim 14 more comprises:
One diode, one end and this feedback/speed control signal line couple; And
One capacitor, the other end of one end and this diode couple and are coupled to this control element again, the other end ground connection of this capacitor.
17, motor apparatus as claimed in claim 11, wherein, this control device has more one first filter element, and this motor apparatus has more one second filter element, and this first filter element and this second filter element and this feedback/speed control signal line couple.
18, motor apparatus as claimed in claim 17, wherein, this first filter element is a low-pass filtering element, this second filter element is a high-pass filtering element.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101867269A CN101436840A (en) | 2007-11-16 | 2007-11-16 | Motor device and motor control speed system |
| CN201410230691.4A CN103973176B (en) | 2007-11-16 | 2007-11-16 | Motor apparatus and motor control speed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101867269A CN101436840A (en) | 2007-11-16 | 2007-11-16 | Motor device and motor control speed system |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410230691.4A Division CN103973176B (en) | 2007-11-16 | 2007-11-16 | Motor apparatus and motor control speed system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101436840A true CN101436840A (en) | 2009-05-20 |
Family
ID=40711103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101867269A Pending CN101436840A (en) | 2007-11-16 | 2007-11-16 | Motor device and motor control speed system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101436840A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102939709A (en) * | 2010-04-16 | 2013-02-20 | 戴森技术有限公司 | Controller for a brushless motor |
| CN103779871A (en) * | 2012-10-18 | 2014-05-07 | Ifp新能源公司 | Continuous-power electrical system stabilized by integrated active filters |
| CN104285371A (en) * | 2012-05-15 | 2015-01-14 | 三菱电机株式会社 | Field winding rotating electrical machine and method for controlling field current of field winding rotating electrical machine |
| WO2015109629A1 (en) * | 2014-01-26 | 2015-07-30 | 中山大洋电机股份有限公司 | Direct-current permanent magnet synchronous motor with external control card, and control system thereof using hvac |
| CN114002803A (en) * | 2020-07-28 | 2022-02-01 | 上海艾为电子技术股份有限公司 | Driving chip and driving method of motor and electronic equipment |
-
2007
- 2007-11-16 CN CNA2007101867269A patent/CN101436840A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102939709A (en) * | 2010-04-16 | 2013-02-20 | 戴森技术有限公司 | Controller for a brushless motor |
| CN102939709B (en) * | 2010-04-16 | 2016-03-16 | 戴森技术有限公司 | For the controller of brushless motor |
| CN104285371A (en) * | 2012-05-15 | 2015-01-14 | 三菱电机株式会社 | Field winding rotating electrical machine and method for controlling field current of field winding rotating electrical machine |
| CN104285371B (en) * | 2012-05-15 | 2017-06-13 | 三菱电机株式会社 | The exciting current control method of field winding type rotary electric machine and field winding type rotary electric machine |
| CN103779871A (en) * | 2012-10-18 | 2014-05-07 | Ifp新能源公司 | Continuous-power electrical system stabilized by integrated active filters |
| CN103779871B (en) * | 2012-10-18 | 2017-11-17 | Ifp新能源公司 | Pass through the continuous power electrical system that the active filter of integration is stable |
| US10468877B2 (en) | 2012-10-18 | 2019-11-05 | IFP Energies Nouvelles | Continuous-power electrical system stabilized by integrated active filters |
| WO2015109629A1 (en) * | 2014-01-26 | 2015-07-30 | 中山大洋电机股份有限公司 | Direct-current permanent magnet synchronous motor with external control card, and control system thereof using hvac |
| CN114002803A (en) * | 2020-07-28 | 2022-02-01 | 上海艾为电子技术股份有限公司 | Driving chip and driving method of motor and electronic equipment |
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Application publication date: 20090520 |