CN109660177A - Motor controller - Google Patents
Motor controller Download PDFInfo
- Publication number
- CN109660177A CN109660177A CN201810950996.0A CN201810950996A CN109660177A CN 109660177 A CN109660177 A CN 109660177A CN 201810950996 A CN201810950996 A CN 201810950996A CN 109660177 A CN109660177 A CN 109660177A
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- CN
- China
- Prior art keywords
- voltage
- circuit
- signal
- output
- control
- Prior art date
- 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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Classifications
-
- 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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
-
- 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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/20—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors for controlling one motor used for different sequential operations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses a kind of motor controller, and it includes a control circuit and a voltage-regulating circuit, one control signals of control circuit output.Voltage-regulating circuit couples the control circuit and an input power, an output voltage is generated according to the input power, and voltage-regulating circuit receives the control signal, a voltage quasi position of the output voltage is adjusted according to the control signal, wherein, the voltage quasi position of the voltage quasi position or the output voltage that one voltage quasi position of the input power is higher than the output voltage is higher than the voltage quasi position of the input power.
Description
Technical field
The invention relates to a kind of controller, especially a kind of motor controller.
Background technique
With the fast development of industrial automation technology, the control of motor also becomes important science and technology, wherein about horse
The control reached is very important.Motor it is many kinds of, but be broadly divided into d.c. motor and alternating current motor, d.c. motor is with straight
Galvanic electricity makes coil by electric current, then has permanent magnet by coil, going out torque with electromagnetic induction makes its rotation as power supply.Exchange
The revolving speed of motor is directly proportional to frequency, therefore the higher revolving speed of frequency is faster, so, beside the alternating current motor on common conveyer belt
There is frequency converter, for controlling transmission revolving speed etc..Therefore, for the various controls of alternating current motor, such as: the output response of motor,
The modulation and motor rotary speed of motor driving voltage are all the industry project to be controlled, and only, none controller can control at present
State multiple function.
In view of the deficiency of above-mentioned known techniques, the present invention provides a kind of motor controller, can control the defeated of alternating current motor
Response, driving voltage and motor rotary speed out, and limited in the height of driving alternating current motor Shi Buwei electric power source.
Summary of the invention
The purpose of the present invention is to provide a kind of motor controller, the output response of control alternating current motor, driving voltage
And motor rotary speed.
The present invention discloses a kind of motor controller, and it includes a control circuit and a voltage-regulating circuit, control circuit is defeated
A control signal out.Voltage-regulating circuit couples the control circuit and an input power, generates an output according to the input power
Voltage, and voltage-regulating circuit receives the control signal, and a voltage quasi position of the output voltage is adjusted according to the control signal,
In, a voltage quasi position of the input power is higher than the voltage quasi position of the output voltage or the voltage quasi position of the output voltage
Higher than the voltage quasi position of the input power.
Detailed description of the invention
Fig. 1: it is the schematic diagram of an embodiment of motor controller of the invention；
Fig. 2: it is the schematic diagram of a first embodiment of voltage-regulating circuit of the invention；
Fig. 3: it is the schematic diagram of a second embodiment of voltage-regulating circuit of the invention；
Fig. 4: it is the schematic diagram of a first embodiment of control circuit of the invention；
Fig. 5: it is the schematic diagram of a second embodiment of control circuit of the invention；And
Fig. 6: it is the schematic diagram of a 3rd embodiment of control circuit of the invention.
[figure number is to as directed]
10 power supplys
12 batteries
20 motor controllers
30 alternating current motors
40 voltage-regulating circuits
42 PWM circuits
44 voltage generation circuits
50 communication modules
60 control circuits
62 arithmetic elements
64 loop circuit control circuits
66 voltage commands units
70 phase circuits
80 voltage follower circuits
C capacitive element
D diode
L inductive element
R resistance element
S10 input power
S12 cell voltage
S40 output voltage
S42 work signal
S44 output voltage
S50 adjusts data
S60 controls signal
S62 adjusts signal
S70 phase signal
S80 driving voltage
SW switch
Vreq voltage requirements order
Specific embodiment claims
Some vocabulary has been used to censure specific element in specification and claims.Affiliated the technology of the present invention neck
Has usually intellectual in domain, it is to be appreciated that manufacturer may call the same element with different nouns.This specification and
Claims not using the difference of title as distinguish element in a manner of, but using difference of the element in overall technology as
The criterion of differentiation.It is an open language in "comprising" of the specification and claims in the whole text mentioned in, therefore should explains
At " including but not limited to ".In addition, " coupling " word includes any direct and indirect electrical connection herein.Therefore,
If it is described herein that a first device couples a second device, then the second device can be directly electrically connected by representing the first device,
Or it can pass through other devices or other connection means are electrically connected indirectly to the second device.
In order to make structure feature of the invention and it is reached the effect of have a better understanding and awareness, spy is with preferable
Embodiment and cooperation detailed description, are described as follows:
Referring to Fig. 1, its schematic diagram for an embodiment of motor controller of the invention.As shown, a power supply 10
(electric connection) motor controller 20 is coupled, and generates an input power S10 to motor controller 20.20 coupling of motor controller
An alternating current motor 30 is connect, and generates a driving voltage S80 to alternating current motor 30, the electricity of driving voltage S80 according to input power S10
Pressure level changes the output response of adjustable alternating current motor 30.Motor controller 20 includes a voltage-regulating circuit 40, voltage
Adjustment circuit 40 couples power supply 10 and receives input power S10, and generates an output voltage S40 according to input power S10.Output
The voltage quasi position of voltage quasi position or input power S10 that the voltage quasi position of voltage S40 can be higher than input power S10 can be high
In the voltage quasi position of output voltage S40, so voltage-regulating circuit 40 can be Bidirectional up-down volt circuit.
Motor controller 20 includes a communication module 50, and communication module 50 can store the various related letters of the vehicles
Breath, such as: battery SOC, battery temperature, motor rotary speed and/or brake state, and according to one adjustment number of various relevant informations output
According to S50.Motor controller 20 includes a control circuit 60, and control circuit 60 couples communication module 50 and receives adjustment data S50,
And according to one control signal S60 of adjustment data S50 output.Control circuit 60 couples voltage-regulating circuit 40, adjusts number in processing
According to output control signal S60 after S50 to voltage-regulating circuit 40, so control circuit 60 can include place for a control chip
Circuit is managed, after the various relevant informations for handling the vehicles, controls the output voltage S40 of voltage-regulating circuit 40.Control circuit
60 more according to one adjustment signal S62 of output.
Motor controller 20 includes a phase circuit 70, and phase circuit 70 couples control circuit 60 and receives adjustment signal
S62, phase circuit 70 export a phase signal S70 according to adjustment signal S62, so adjustment signal S62 is interrogated for adjustment phase place
Number S70；Phase signal S70 is used to adjust an output phase of driving voltage S80.Motor controller 20 includes voltage output electricity
Road 80, voltage follower circuit 80 couple voltage-regulating circuit 40 and receive output voltage S40, and export according to output voltage S40
Driving voltage S80；Furthermore voltage follower circuit 80 couples phase circuit 70 and receiving phase signal S70, voltage follower circuit 80
The phase of different driving voltage S80 is exported according to phase signal S70.Voltage follower circuit 80 can be one or six arm circuits,
Comprising six MOS transistors or six insulated gate bipolar transistors (Insulated Gate Bipolar Transistor,
IGBT), so phase circuit 70 exports six phase signal S70 according to adjustment signal S62 as shown in the embodiment of fig. 1, and six
The height of phase signal S70 can determine the output phase of driving voltage S80.
Referring to Fig. 2, its schematic diagram for a first embodiment of voltage-regulating circuit of the invention.As shown, electric
Source 10 can be a battery 12, and battery 12 provides a cell voltage S12 to voltage-regulating circuit 40.Voltage-regulating circuit 40 includes
One PWM circuit (PWM) 42, PWM circuit 42 couple control circuit 60 and receive control signal S60, Pulse Width Modulation
Circuit 42 generates a work signal S42 according to control signal S60, and the duty cycle (Duty) for the signal S42 that works is according to control news
Number S60 and adjust, in other words, duty cycle of the signal S42 that works according to the communication module 50 of Fig. 1 adjustment data S50 and adjust
It is whole.Voltage-regulating circuit 40 includes a voltage generation circuit 44, and voltage generation circuit 44 couples battery 12 and receives cell voltage
S12, and output voltage S40 is generated according to cell voltage S12.Voltage generation circuit 44 couples PWM circuit 42 and receives work
Make signal S42, voltage quasi position of the voltage generation circuit 44 according to work signal S42 adjustment output voltage S40, so via work
The control of signal S42, the voltage quasi position of output voltage S40 can be below or above the voltage quasi position of cell voltage S12, Jin Erke
With the voltage quasi position of modulation motor driving voltage S80.Therefore, the motor controller 20 of embodiment can use the lower electricity of voltage
Power source drives high voltage alternating current motor, or drives low-voltage AC motor using the higher electric power source of voltage.
Voltage generation circuit 44 includes a switch SW, a diode D, an inductive element L, a capacitive element C and one
Resistance element R, switch SW are coupled between battery 12 and diode D, and inductive element L is coupled to switch SW and diode D
Between circuit node, diode D coupling capacitance element C and resistance element R, diode D, inductive element L, capacitive character
Element C and resistance element R coupling one refers to level, is 12 negative terminal current potential of battery with reference to level.So with via work signal
The switching of the control switch SW of S42, and control the charge and discharge of voltage generation circuit 44 and determine that the voltage of output voltage S40 is quasi-
Position.
Referring to Fig. 3, its schematic diagram for a second embodiment of voltage-regulating circuit of the invention.As shown, the
The output end coupling voltage follower circuit 80 and control circuit 60 of two embodiment voltage-regulating circuits 40, and first embodiment voltage
The output end of adjustment circuit 40 couples voltage follower circuit 80 but does not couple control circuit 60.In this way, motor controller 20 can be with
Using the reset of voltage-regulating circuit 40 to control circuit 60, and PWM circuit is utilized after detecting output voltage S40
42 adjustment output voltage S40, to ensure that output voltage S40 meets the adjustment data S50 of communication module 50.
Referring to Fig. 4, its schematic diagram for a first embodiment of control circuit of the invention.As shown, control electricity
Road 60 includes an arithmetic element 62, and arithmetic element 62 couples voltage-regulating circuit 40, and in other words, arithmetic element 62 is coupled to voltage
Circuit node between generation circuit 44 and voltage follower circuit 80, i.e. control circuit 60 are coupled to voltage generation circuit 44 and electricity
Circuit node between voltage follower circuit 80.Moreover, arithmetic element 62 receives a voltage requirements order Vreq；Arithmetic element 62 is transported
Calculate the output voltage S40 of voltage requirements order Vreq and voltage-regulating circuit 40 and output control signal S60 to Pulse Width Modulation electricity
Road 42, wherein voltage requirements order Vreq can order by user output voltage S40 to be adjusted or motor controller 20
According to the vehicles relevant information and the order that generates.
Referring to Fig. 5, its schematic diagram for a second embodiment of control circuit of the invention.As shown, control electricity
Road 60 includes a loop circuit control circuit 64, loop circuit control circuit 64 be coupled to arithmetic element 62 and PWM circuit 42 it
Between.Arithmetic element 62 calculates an operation signal S62 according to voltage requirements order Vreq and output voltage S40, loop circuit control
Circuit 64 processed receives operation signal S62 and generates control signal S60 to PWM circuit 42, and then adjusts driving voltage S80
Voltage quasi position.
Referring to Fig. 6, its schematic diagram for a 3rd embodiment of control circuit of the invention.As shown, control electricity
Road 60 include a voltage commands unit 66, voltage commands unit 66 couple arithmetic element 62, and receive battery SOC, battery temperature,
Motor rotary speed and/or brake state.So voltage commands unit 66 is according to battery SOC, battery temperature, motor rotary speed and/or evil spirit
Car state and generate voltage requirements order Vreq, in other words, voltage commands unit 66 can be coupled to communication module 50 and operation
Between unit 62.Therefore, it in the embodiment by Fig. 5 to Fig. 6, after alternating current motor 30 is more than rated speed, can be promoted defeated
Out voltage S40 and promote the voltage quasi position of driving voltage S80, overcome the counter electromotive force (voltage) of alternating current motor 30, make to exchange horse
More electric currents are obtained up to 30 to enter and leave, and then promote 30 revolving speed of alternating current motor.Furthermore it is carried out between the vehicles are advanced in high speed
When brake or deceleration, the counter electromotive force of alternating current motor 30 is higher, in this way, returning from voltage follower circuit 80 and voltage generation circuit 44
Be charged to battery 12 to recharge electric current higher, therefore, control circuit 60 can according to battery SOC, battery temperature, motor rotary speed and/or
The information such as brake state, recharge voltage and adjust simultaneously and recharge electric current using the change of voltage-regulating circuit 40, make to recharge voltage with
Voltage quasi position appropriate recharges battery 12, and does not influence the running of the vehicles.
Above is only presently preferred embodiments of the present invention, are not used to limit the scope of implementation of the present invention, Fan Yibenfa
Equivalent changes and modifications carried out by shape described in bright scope of the claims, construction, feature and spirit, should be included in the present invention
Scope of the claims in.
Claims (9)
1. a kind of motor controller, which is characterized in that it includes:
One control circuit, one control signal of output；And
One voltage-regulating circuit couples the control circuit and an input power, generates an output voltage according to the input power, connects
The control signal is received, a voltage quasi position of the output voltage, a voltage quasi position of the input power are adjusted according to the control signal
It is quasi- higher than the voltage that the voltage quasi position of the voltage quasi position of the output voltage or the output voltage is higher than the input power
Position.
2. motor controller as described in claim 1, which is characterized in that it includes:
One PWM circuit generates a work signal, couples the control circuit and receive the control signal, interrogate according to the control
Number adjust a duty cycle of the work signal, the duty cycle of the voltage quasi position of the output voltage according to the work signal
And it adjusts.
3. motor controller as claimed in claim 2, which is characterized in that it includes:
One voltage generation circuit couples the PWM circuit and the input power, receives the input power, according to input electricity
Source generates the output voltage, receives the work signal, and the duty cycle according to the work signal adjusts being somebody's turn to do for the output voltage
Voltage quasi position.
4. motor controller as described in claim 1, which is characterized in that it includes:
One communication module couples the control circuit, and one adjustment data of output are to the control circuit, and the control circuit is according to the adjustment
The voltage quasi position of the data point reuse output voltage.
5. the motor controller as described in claim 2, which is characterized in that it includes:
One voltage follower circuit couples the voltage-regulating circuit, receives the output voltage, according to one driving of output voltage output
Voltage.
6. motor controller as claimed in claim 5, which is characterized in that it includes:
One phase-adjusting circuit couples the voltage follower circuit, one phase signal of output to the voltage follower circuit, phase news
The output phase for number adjusting the driving voltage, couples the control circuit and receives an adjustment signal, according to the adjustment signal tune
The whole phase signal.
7. motor controller as described in claim 1, which is characterized in that wherein, which is coupled to voltage generation
A circuit node between circuit and a voltage follower circuit, receives the output voltage, generates the control according to the output voltage
Signal and the voltage quasi position for adjusting the driving voltage.
8. motor controller as claimed in claim 7, which is characterized in that wherein, which includes:
One voltage commands unit receives a command signal, generates a voltage requirements signal；And
One arithmetic element couples the voltage commands unit, and is coupled between the voltage generation circuit and the voltage follower circuit
The circuit node, receive the voltage requirements signal and the output voltage, produced according to the voltage requirements signal and the output voltage
The raw control signal, and adjust the voltage quasi position of the driving voltage.
9. motor controller as claimed in claim 7, which is characterized in that wherein, which includes:
One voltage commands unit receives a command signal, generates a voltage requirements signal；
One arithmetic element couples the voltage commands unit, and is coupled between the voltage generation circuit and the voltage follower circuit
The circuit node, receive the voltage requirements signal and the output voltage, produced according to the voltage requirements signal and the output voltage
A raw operation signal；And
One loop circuit control circuit, couples the arithmetic element, receives the operation signal, generates control news according to the operation signal
Number, and adjust the voltage quasi position of the driving voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810950996.0A CN109660177A (en) | 2018-08-20 | 2018-08-20 | Motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810950996.0A CN109660177A (en) | 2018-08-20 | 2018-08-20 | Motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109660177A true CN109660177A (en) | 2019-04-19 |
Family
ID=66109997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810950996.0A Pending CN109660177A (en) | 2018-08-20 | 2018-08-20 | Motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109660177A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320297A (en) * | 1998-08-31 | 2001-10-31 | 株式会社日立制作所 | Controller for PWM/PAM motor and method for controlling air conditioner and motor having controller |
| CN101257271A (en) * | 2007-02-26 | 2008-09-03 | 旺玖科技股份有限公司 | Motor control circuit and method as well as brushless motor system |
| US20090058337A1 (en) * | 2007-09-05 | 2009-03-05 | Honda Motor Co., Ltd. | Control device and control method of boost converter |
| TWM480817U (en) * | 2014-02-12 | 2014-06-21 | shun-xin Zhou | A control system for realizing the change of input power with load and rotating speed simultaneously, by driving multiple electric motors via ONE inverter bridge |
| CN205725513U (en) * | 2016-05-06 | 2016-11-23 | 钛白金科技（深圳）有限公司 | A kind of single-phase AC DC/DC AC double-purpose circuit and three-phase AC DC/DC AC double-purpose circuit |
| JP2017046513A (en) * | 2015-08-28 | 2017-03-02 | パナソニックＩｐマネジメント株式会社 | Motor drive device, drive device of compressor using the same, and freezing device, refrigerator |
-
2018
- 2018-08-20 CN CN201810950996.0A patent/CN109660177A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320297A (en) * | 1998-08-31 | 2001-10-31 | 株式会社日立制作所 | Controller for PWM/PAM motor and method for controlling air conditioner and motor having controller |
| CN101257271A (en) * | 2007-02-26 | 2008-09-03 | 旺玖科技股份有限公司 | Motor control circuit and method as well as brushless motor system |
| US20090058337A1 (en) * | 2007-09-05 | 2009-03-05 | Honda Motor Co., Ltd. | Control device and control method of boost converter |
| TWM480817U (en) * | 2014-02-12 | 2014-06-21 | shun-xin Zhou | A control system for realizing the change of input power with load and rotating speed simultaneously, by driving multiple electric motors via ONE inverter bridge |
| JP2017046513A (en) * | 2015-08-28 | 2017-03-02 | パナソニックＩｐマネジメント株式会社 | Motor drive device, drive device of compressor using the same, and freezing device, refrigerator |
| CN205725513U (en) * | 2016-05-06 | 2016-11-23 | 钛白金科技（深圳）有限公司 | A kind of single-phase AC DC/DC AC double-purpose circuit and three-phase AC DC/DC AC double-purpose circuit |
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Application publication date: 20190419 |