CN206878730U - motor driver - Google Patents
motor driver Download PDFInfo
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- CN206878730U CN206878730U CN201720829936.4U CN201720829936U CN206878730U CN 206878730 U CN206878730 U CN 206878730U CN 201720829936 U CN201720829936 U CN 201720829936U CN 206878730 U CN206878730 U CN 206878730U
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- motor
- circuit
- master controller
- drive
- motor driver
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- Control Of Multiple Motors (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The utility model provides a kind of motor driver, and the motor driver includes control circuit, drive circuit；Control circuit includes master controller, EtherCAT interface circuits, and master controller produces motor control signal, and transmits it to drive circuit；Drive circuit includes multiple motor drive modules, and each motor drive module is comprising motor driving interface circuit, current sensor, encoder feedback interface circuit；Motor driving interface circuit is used to receive the motor control signal, and motor control signal is amplified, and the motor control signal after amplification is sent to motor, and motor is controlled；Current sensor is used for the current value for obtaining motor, and current value is transmitted to master controller；Encoder feedback interface circuit is used for the encoded signal for receiving the encoder of motor, and encoded signal is transmitted to master controller.The utility model provides a kind of motor driver that can drive multiple electric motors, integrated level height, cost low simultaneously.
Description
Technical field
Electro-mechanical arts are the utility model is related to, more particularly to a kind of motor driver.
Background technology
At present, the motor driver of in the market mainly passes through RS485/422/232, I2The serial communication modes such as C and control
Device or host computer are communicated, and a motor can only be driven to be operated, and controller with driver matching degree not
Height, there is parameter setting difficult in use, volume is big, and speed is low, and wiring is difficult, the defects such as integrated level is low.The motor of in the market
Driver usually uses FPGA (Field-Programmable Gate Array, field programmable gate array) or ARM processing
Device (compacting instruction set processor of ARM companies of Britain design) chip adds FPGA architecture structure to realize control function, communication speed
Relatively low, cost is higher, and the coded format of support is single.
Utility model content
The technical problems to be solved in the utility model is to overcome in the prior art, and motor driver can only drive one
The defects of motor, speed are low, integrated level is not high, cost is high, there is provided one kind can drive simultaneously multiple electric motors, integrated level it is high, into
This low motor driver.
The utility model is that solve above-mentioned technical problem by following technical proposals：A kind of motor driver, the electricity
Machine driver includes control circuit, drive circuit, and the control circuit electrically connects with the drive circuit；
The control circuit includes master controller, EtherCAT (initially by Elektro Beckhoff GmbH's research and development
The field bus system of open architecture based on Ethernet) interface circuit, the master controller passes through the EtherCAT
Interface circuit and Ethernet master station communication, and motor control signal is produced, and the motor control signal is transmitted to the drive
Dynamic circuit；
The drive circuit includes multiple motor drive modules, and each motor drive module connects comprising motor driving
Mouth circuit, current sensor, encoder feedback interface circuit；The motor driving interface circuit and the master controller, motor electricity
Connection, amplifies for receiving the motor control signal, and by the motor control signal, and by the motor control after amplification
Signal processed is sent to motor, and motor is controlled；The current sensor electrically connects with the master controller, motor, is used for
The current value of motor is obtained, and the current value is transmitted to the control circuit；The encoder feedback interface circuit with it is described
Master controller, motor electrical connection, the encoded signal of the encoder for receiving motor, and the encoded signal is transmitted to described
Control circuit.
It is preferred that the output driving power of at least two motor drive module is different in the multiple motor drive module.
It is preferred that the compatible at least two kinds of encoder agreements of the encoder feedback interface circuit.
It is preferred that (German IC-HAUS companies open by the encoder feedback interface circuit compatibility incremental encoder, BiSS-C
Hair a kind of full duplex synchronous serial bus communication protocol) encoder, SAL/S2AL encoders, NIKON encoders, Heidenhain
Endat-22 encoders, rub at least one of river encoder more.
It is preferred that the master controller includes arm processor.
It is preferred that the master controller uses single-chip SoC (system-on-a-chip, system level chip) framework.
It is preferred that the control circuit and the drive circuit using FPC (Flexible Printed Circuit, it is soft
Property circuit board) winding displacement connection.
It is preferred that motor driver is also comprising fan, radiator.
Positive effect of the present utility model is：Motor driver of the present utility model can drive more electricity simultaneously
Machine, SoC frameworks are employed, integrated level is high, cost is low, supports EtherCAT interfaces, is easy to and Ethernet master station communication.
Brief description of the drawings
Fig. 1 is the structural representation of the motor driver of the embodiment of the utility model one.
Embodiment
Name preferred embodiment, and become apparent from intactly illustrating the utility model with reference to accompanying drawing.
The motor driver of the present embodiment as shown in figure 1, comprising control circuit 10, drive circuit 20, control circuit 10 with
Drive circuit 20 electrically connects.It is preferred that connected between control circuit 10 and drive circuit 20 using FPC winding displacements, so as to improve control
Connection flexibility between circuit 10 and drive circuit 20 processed, and improve transmission signal between control circuit 10 and drive circuit 20
Antijamming capability.
Control circuit 10 includes master controller 101, EtherCAT interface circuits 102, and master controller 101 passes through EtherCAT
Interface circuit 102 communicates with Ethernet main website 30.The serial communication mode phases such as EtherCAT buses and RS485/422/232, I2C
Than having the advantages that fast long transmission distance, transmission speed, easy to connect, strong antijamming capability, real-time are good.
When being controlled to motor, master controller 101 produces motor control signal, and the motor control signal is usually
PWM (pulse width modulation) signal.Master controller 101 transmits the motor control signal to drive circuit 20.Drive circuit
20 include multiple motor drive modules 201, and each motor drive module 201 is comprising motor driving interface circuit 202, electricity
Flow sensor 203, encoder feedback interface circuit 204.
Motor driving interface circuit 202 electrically connects with master controller 101, motor 40, for receiving the motor control letter
Number.Motor driving interface circuit 202 includes amplifying circuit, for the motor control signal to be amplified.Motor driving interface electricity
Road 202 sends the motor control signal after amplification to motor 40, and motor 40 is controlled.
Motor 40 is driven after work, and current sensor 203 electrically connects with master controller 101, motor 40, for obtaining
The current value (range value and phase value that include electric current) of power taking machine 40, and the current value is transmitted to master controller 101.It is main
The range value and phase value of the electric current for the motor 40 that controller 101 feeds back according to current sensor 203, calculate and are respectively used to drive
The pwm signal of U, V, W three-phase of dynamic motor 40.Master controller 101 is in a manner described by pwm signal motor driving interface electricity
Road 202 is transmitted to motor 40, so as to realize motor control loop.
Encoder feedback interface circuit 204 electrically connects with master controller 101, motor 40.In the course of work of motor 40, coding
Feedback interface circuit 204 receives the encoded signal of the encoder 401 of motor, and the encoded signal is transmitted to master controller
101.As a kind of preferred embodiment, 204 compatible incremental encoder of encoder feedback interface circuit, BiSS-C encoders,
SAL/S2AL encoders, NIKON encoders, Heidenhain Endat-22 encoders, rub a variety of encoders such as river encoder more, greatly
Improve the compatibility of the motor driver of the present embodiment.
As a kind of preferred embodiment, the quantity of motor drive module 201 is 4.Further, wherein 1 motor
The power output of drive module is 400W, and the power output of other 3 motor drive modules is 1000W.The motor of the present embodiment
Drive circuit can drive multiple electric motors simultaneously, can greatly reduce the complexity and cost of motor driving apparatus design.Meanwhile
As long as the control to multiple electric motors can be achieved for the programming of same master controller, the driving of maintenance and management motor is greatly reduced
The complexity and cost input of equipment.Multiple motor drive modules of the motor-drive circuit of the present embodiment export different drivings
Power, improve compatibility and the flexibility of the motor-drive circuit of the present embodiment.
As a kind of preferred embodiment, master controller 101 is as main control unit, arm processor using arm processor
High performance RISC (Reduced Instruction Set Computer) microprocessor, has the advantages that low-power consumption, low cost, high operational capability.Enter
One step, master controller 101 uses single-chip SoC frameworks, improves integrated level, reduces complex circuit designs degree, improve
Circuit stability, reduce the cost of motor driving apparatus.
It is preferred that the motor-drive circuit of the present embodiment also comprising fan, radiator, for for control circuit 10, driving
Circuit 20 radiates, to ensure the stability of its work.
Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
These are merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
Member can make numerous variations or repair to these embodiments on the premise of without departing substantially from principle of the present utility model and essence
Change, but these changes and modification each fall within the scope of protection of the utility model.
Claims (8)
1. a kind of motor driver, it is characterised in that the motor driver includes control circuit, drive circuit, the control
Circuit electrically connects with the drive circuit；
The control circuit includes master controller, EtherCAT interface circuits, and the master controller is connect by the EtherCAT
Mouth circuit and Ethernet master station communication, and motor control signal is produced, and the motor control signal is transmitted to the driving
Circuit；
The drive circuit includes multiple motor drive modules, and each motor drive module is comprising motor driving interface electricity
Road, current sensor, encoder feedback interface circuit；The motor driving interface circuit electrically connects with the master controller, motor,
Amplify for receiving the motor control signal, and by the motor control signal, and the motor control after amplification is believed
Number send to motor, motor is controlled；The current sensor electrically connects with the master controller, motor, for obtaining
The current value of motor, and the current value is transmitted to the master controller；The encoder feedback interface circuit and the master control
Device processed, motor electrical connection, the encoded signal of the encoder for receiving motor, and the encoded signal is transmitted to the master control
Device processed.
2. motor driver as claimed in claim 1, it is characterised in that at least two electricity in the multiple motor drive module
The output driving power of machine drive module is different.
3. motor driver as claimed in claim 1, it is characterised in that the encoder feedback interface circuit compatibility is at least two kinds of
Encoder agreement.
4. motor driver as claimed in claim 1, it is characterised in that the encoder feedback interface circuit compatibility increment type is compiled
Code device, BiSS-C encoders, SAL/S2AL encoders, NIKON encoders, Heidenhain Endat-22 encoders, river of rubbing more encode
At least one of device.
5. motor driver as claimed in claim 1, it is characterised in that the master controller includes arm processor.
6. motor driver as claimed in claim 5, it is characterised in that the master controller uses single-chip SoC frameworks.
7. motor driver as claimed in claim 1, it is characterised in that the control circuit uses with the drive circuit
FPC winding displacements connect.
8. motor driver as claimed in claim 1, it is characterised in that motor driver is also comprising fan, radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720829936.4U CN206878730U (en) | 2017-07-10 | 2017-07-10 | motor driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720829936.4U CN206878730U (en) | 2017-07-10 | 2017-07-10 | motor driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206878730U true CN206878730U (en) | 2018-01-12 |
Family
ID=61329531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720829936.4U Active CN206878730U (en) | 2017-07-10 | 2017-07-10 | motor driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206878730U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803443A (en) * | 2018-07-25 | 2018-11-13 | 中科新松有限公司 | A kind of servo driver of motor |
| CN111245302A (en) * | 2018-11-28 | 2020-06-05 | 湖南中车时代电动汽车股份有限公司 | Functional safety motor control system and motor system for new energy automobile |
| WO2022027930A1 (en) * | 2020-08-04 | 2022-02-10 | 睿科集团(厦门)股份有限公司 | Multi-functional motor controller and double-electric claw motor controller using same |
| CN115776251A (en) * | 2023-01-10 | 2023-03-10 | 运城飞华科技有限公司 | Motor driver capable of simultaneously driving multiple motors |
-
2017
- 2017-07-10 CN CN201720829936.4U patent/CN206878730U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803443A (en) * | 2018-07-25 | 2018-11-13 | 中科新松有限公司 | A kind of servo driver of motor |
| CN111245302A (en) * | 2018-11-28 | 2020-06-05 | 湖南中车时代电动汽车股份有限公司 | Functional safety motor control system and motor system for new energy automobile |
| WO2022027930A1 (en) * | 2020-08-04 | 2022-02-10 | 睿科集团(厦门)股份有限公司 | Multi-functional motor controller and double-electric claw motor controller using same |
| CN115776251A (en) * | 2023-01-10 | 2023-03-10 | 运城飞华科技有限公司 | Motor driver capable of simultaneously driving multiple motors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 5124, building C, 555 Dongchuan Road, Minhang District, Shanghai 200241 Patentee after: SHANGHAI LYNUC NUMERICAL CONTROL TECHNOLOGY CO.,LTD. Address before: 279 Pingfu Road, Xuhui District, Shanghai, 200231 Patentee before: SHANGHAI LYNUC CNC TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |