CN114362601A - Motor driver, motor assembly, wire winding machine and industrial equipment - Google Patents
Motor driver, motor assembly, wire winding machine and industrial equipment Download PDFInfo
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- CN114362601A CN114362601A CN202111680083.XA CN202111680083A CN114362601A CN 114362601 A CN114362601 A CN 114362601A CN 202111680083 A CN202111680083 A CN 202111680083A CN 114362601 A CN114362601 A CN 114362601A
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- 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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
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- 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
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
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- 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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/10—Arrangements for controlling torque ripple, e.g. providing reduced torque ripple
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The invention discloses a motor driver, a motor assembly, a wire winding machine and industrial equipment, which are characterized in that the motor driver is in a constant power driving mode or a winding constant current driving mode or a constant torque driving mode, and a communication interface is electrically connected with a single chip microcomputer; the power output is related to the rotating speed in the constant power driving mode, or the winding current is related to the rotating speed in the winding constant current driving mode, or the torque is related to the rotating speed in the constant torque driving mode; the motor driver is arranged outside or inside the motor; the wire winding machine is provided with a plurality of motor assemblies which are arranged on the same machine body; the wire collecting machine is also provided with a controller, and the controller is provided with a communication interface a which is correspondingly connected with the communication interfaces of the plurality of motor assemblies in parallel; the industrial equipment has the advantages of energy consumption saving, environmental protection, low carbon and the like.
Description
Technical Field
The invention relates to the field of motor drivers, relates to the field of sensorless driving of brushless motors, permanent magnet motors and the like, and relates to the technical invention in the fields of wire winding machine equipment, industrial equipment and the like driven by motors.
Background
In the existing plastic weaving industry and the production of plastic braided wires, a three-phase torque motor is commonly used as the main execution power of the winding braided wire of a wire winding machine, and each braided wire needs one three-phase torque motor as the power for winding.
The braided wire is wound on a framework to form a braided wire barrel, the linear speed of the braided wire is constant when a wire winding machine works, the diameter of the wound braided wire barrel is gradually increased along with the increase of the winding amount, the torque of a three-phase torque motor is basically constant, the relative tension is large when the diameter of the braided wire barrel is small, the relative energy consumption is large, the relative tension is small when the diameter is large, and the tension is most suitable. And counting the average power consumption of each winding motor during normal production to reach about 40 w. About 1500 braided wires are generally arranged on one plastic extruder, about 1500 motors are needed for winding by a wire winding machine, and the total power is about 60 kilowatts.
The three-phase torque motor has the characteristics that electric energy is sacrificed to achieve constant torque rotation, the electric efficiency is very low, the temperature rise of the motor is high during working, the service life of a bearing arranged on a motor end cover is short at high temperature, and once the bearing is damaged, the problem can be solved only by replacing the whole motor.
The above disadvantages are the industry mark of 'high energy consumption' in the plastic weaving industry, which is not suitable for the environment protection and low carbon which are advocated at present, and the technical problems which the technicians in the field want to solve and can not solve are solved.
Disclosure of Invention
In view of the defects of the background art, the invention aims to solve the problem of high energy consumption of the wire winding machine, the brushless motor driving technology is applied to the wire winding machine, the brushless motor replaces a three-phase torque motor to realize a constant power driving mode or a winding constant current driving mode or a constant torque driving mode, and the invention provides a motor driver, a motor assembly, the wire winding machine and industrial equipment.
Therefore, the invention adopts the following technical scheme to solve the technical problems: a motor driver comprises a power supply filter circuit, a singlechip control circuit, a power tube drive circuit, a power tube output circuit and a current sampling circuit, wherein the singlechip control circuit is electrically connected with the power tube drive circuit and the current sampling circuit; the power output is related to the rotating speed in the constant power driving mode, or the winding current is related to the rotating speed in the winding constant current driving mode, or the torque is related to the rotating speed in the constant torque driving mode; the communication interface is provided with one or two or more signal lines; and transmitting a PWM signal through the communication interface, wherein the frequency and the duty ratio of the PWM signal are used as data or instructions of the motor driver.
An electric motor assembly, characterized in that the motor drive is mounted outside or inside the electric motor.
A yarn collecting machine is characterized in that a plurality of motor assemblies are arranged on the same machine body, communication interfaces of the motor assemblies are correspondingly connected in parallel, and the motor assemblies refer to more than 2 motor assemblies.
The other type of wire collecting machine is characterized in that in the working state, the motor assembly enters the stop state under the condition of no traction after working for a set time, the motor shaft of the motor assembly is manually rotated in the stop state, and the motor assembly is recovered to the working state.
The two wire collecting machines are provided with a control machine, the control machine is provided with a communication interface a, and the communication interface a is correspondingly connected with the communication interfaces of the plurality of motor assemblies in parallel; the control machine is electrically connected with the display terminal or the keys;
the industrial equipment is characterized by comprising a plastic extruder, a plastic traction device, a heating extension device and an extension traction device, wherein the plastic extruder, the plastic traction device, the heating extension device, the extension traction device and the filament collecting machine are sequentially placed.
When the motor driver is in a constant power driving mode, because the speed of the braided wire is constant, the pulling force of the braided wire drum is kept unchanged and the braided wire drum can work in a smaller pulling force state in the winding process from small to large, and the consumed energy is smaller; when the winding is in a constant current driving mode, the peak current of the winding is kept constant during PWM chopping, namely in a constant current chopping driving mode, when the diameter of the braiding wire barrel is small, the rotating speed is high, and when the diameter is large, the rotating speed is low, the rotating speed is high relative to the PWM duty ratio, and the average current is large, so that when the diameter of the braiding wire barrel is small, the tension is large, when the diameter is large, the tension is small, the inner side and the outer side of the braiding wire barrel are tight and loose, and the braiding wire barrel is solid; in a constant torque driving mode, the average current of the winding is kept relatively constant, the tension is large when the diameter of the braiding wire barrel is small, the tension is small when the diameter of the braiding wire barrel is large, and the inner side and the outer side of the braiding wire barrel are tight and loose;
the communication interface is electrically connected with the single chip microcomputer, and data and instructions such as the set highest rotating speed, the torque, the operation instruction, the stop instruction and the like required by the motor driver during working are transmitted through the communication interface, so that the convenient operation is realized for the synchronous working of a plurality of motors; the power output is related to the rotating speed in the constant power driving mode, or the winding current is related to the rotating speed in the winding constant current driving mode, or the torque is related to the rotating speed in the constant torque driving mode; the relation is that different tension can be adjusted according to the diameter of the wound wire-weaving barrel, so that the wire-weaving barrel meeting the production requirement is wound with the most saved power consumption; the communication interface is provided with one or two or more signal line communication interfaces, the transmission mode of one signal line is adopted, the controller can transmit PWM signals or lin signals or coding signals and the like to realize the transmission of data or instructions, and the transmission mode of two signal lines is adopted, and the controller can transmit data or instructions in RS-485 and RS-232 communication formats; the transmission mode of the plurality of signal lines can be a communication mode such as can and parallel to realize the transmission of data or instructions; the communication interface transmits PWM signals, the frequency and the duty ratio of the PWM signals are used as data or instructions of the motor driver, the frequency and the duty ratio of the PWM signals are used as data information, software and hardware become very simple, resources occupied by a single chip microcomputer are few, and cost and software workload are effectively reduced.
A motor assembly is characterized in that a motor driver is arranged outside or inside a motor, so that the motor and the driver are integrated, the structure is compact, the driver is arranged inside, and a shell of the motor protects the driver from being polluted by oil and dust on the occasions with much lubricating oil and large dust, so that the service life of the motor is longer.
A wire collecting machine is characterized in that a plurality of motor assemblies are arranged on the same machine body, communication interfaces of the motor assemblies are correspondingly connected in parallel, a plurality of motors are arranged together to work, communication wires of each motor assembly are connected in parallel, a large number of wires are saved due to circuit connection, and the manual manufacturing cost is also saved.
The other wire winding machine is characterized in that in the working state, the motor assembly keeps rotating at the highest speed after working for a set time, namely, the motor assembly enters a stop state under the condition of no traction pulling force, each three-phase torque motor is provided with a switch to control the operation or stop of the motor on the conventional wire winding machine, when the wire winding machine does not work, the motor assembly needs to be manually closed, the motor assembly is often forgotten to be closed, the power is wasted, the service life of the motor is shortened, the non-traction energy-saving shutdown is automatic and is most convenient and energy-saving, the motor shaft of the motor assembly is manually rotated in the stop state, and the motor assembly is restored to the working state to realize the motor opening without any hardware cost.
The two wire collecting machines are provided with a control machine, the control machine is provided with a communication interface a, and the communication interface a is correspondingly connected with the communication interfaces of the plurality of motor assemblies in parallel; the control machine is electrically connected with the display terminal or the keys, and all the communication interfaces are connected in parallel, so that the wiring cost is greatly reduced;
the industrial equipment is characterized by comprising a plastic extruder, a plastic traction device, a heating extension device and an extension traction device, wherein the plastic extruder, the plastic traction device, the heating extension device, the extension traction device and a wire winding machine are sequentially arranged, in particular to a wire drawing machine in the plastic weaving industry, plastic particles are used as raw materials to form a finished product of a final wire winding drum, and the production cost is greatly saved.
According to the invention, each motor of the wire winding machine needs to consume 8W of power when working, the energy consumption is saved by 80% compared with the previous 40W of power, the original wire winding machine needing 60KW is changed into 12KW, the manufacturing cost is greatly reduced, the wire winding machine is one of the most low-cost schemes of the existing wire winding machine, and low-carbon production is really realized.
Drawings
The details of the present invention are further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a motor drive of the present invention;
FIG. 2 is a schematic diagram of the control machine of the present invention;
Detailed Description
A motor driver comprises a power supply filter circuit, a singlechip control circuit, a power tube drive circuit, a power tube output circuit and a current sampling circuit, wherein the singlechip control circuit is electrically connected with the power tube drive circuit and the current sampling circuit; the power output is related to the rotating speed in the constant power driving mode, or the winding current is related to the rotating speed in the winding constant current driving mode, or the torque is related to the rotating speed in the constant torque driving mode; the communication interface is provided with one or two or more signal lines; the communication interface transmits PWM signals, and the frequency and the duty ratio of the PWM signals are used as data or instructions of the motor driver.
An electric motor assembly, characterized in that the motor drive is mounted outside or inside the electric motor.
A yarn collecting machine is characterized in that a plurality of motor assemblies are arranged on the same machine body, and communication interfaces of the motor assemblies are correspondingly connected in parallel.
The other type of wire collecting machine is characterized in that in the working state, the motor assembly enters the stop state under the condition of no traction after working for a set time, the motor shaft of the motor assembly is manually rotated in the stop state, and the motor assembly is recovered to the working state.
The two wire collecting machines are provided with a control machine, the control machine is provided with a communication interface a, and the communication interface a is correspondingly connected with the communication interfaces of the plurality of motor assemblies in parallel; the control machine is electrically connected with the display terminal or the keys;
the industrial equipment is characterized by comprising a plastic extruder, a plastic traction device, a heating extension device and an extension traction device, wherein the plastic extruder, the plastic traction device, the heating extension device, the extension traction device and the filament collecting machine are sequentially placed.
In fig. 1, Q10 and Q11 are power transistors of a phase, Q12 and Q13 are power transistors of B phase, Q14 and Q15 are power transistors of C phase, Q10-Q15 constitute a power transistor output circuit, A, B, C is connected with a motor winding, C31, C37 and C40 are bootstrap capacitors of a drive circuit of A, B, C phase, D7, D8, D9, D10, D11 and D11 are fast turn-off diodes of each power transistor, R11 and R11 are fast turn-off current-limiting resistors of the power transistors, R11 are open current-limiting resistors of the power transistors, C11 is a power supply filter circuit, IC 11 and peripheral elements constitute a power transistor drive circuit, R11, a current-limiting resistor of a current-limiting resistor, a current-detecting circuit of an adc, a single chip microcomputer, a current-on/off detection pin of an adc, when the current is overlarge and the potential of the OC is higher than about 1.6v, the single chip triggers overcurrent protection and closes all power tubes, so that the output of the current sampling circuit represents the current value, an overcurrent protection signal can be output, and the circuit is simple and convenient.
The SS1, the SS2 and the SS3 of the singlechip are communication interfaces which are correspondingly connected with the SS1, the SS2 and the SS3 in the figure 2, and are correspondingly connected or additionally provided with communication interfaces according to communication requirements.
The display unit in fig. 2 is displayed by using LEDs in this embodiment, the key unit is composed of a key switch, the control machine is a single chip microcomputer or a PLC or an industrial personal computer, SS1, SS2, and SS3 are communication interfaces, and are correspondingly connected to SS1, SS2, and SS3 in fig. 1, and a communication interface may also be added.
Claims (10)
1. The utility model provides a motor driver, includes power filter circuit, single chip microcomputer control circuit, power tube drive circuit, power tube output circuit, current sampling circuit, single chip microcomputer control circuit with power tube drive circuit with current sampling circuit electricity connect, power tube drive circuit with power tube output circuit electricity connect, its characterized in that motor driver be constant power drive mode or winding constant current drive mode or constant torque drive mode, the communication interface with the single chip microcomputer electricity connect.
2. A motor driver according to claim 1 wherein the power output is related to rotational speed in the constant power drive mode, or the winding current is related to rotational speed in the winding constant current drive mode, or the torque is related to rotational speed in the constant torque drive mode.
3. The motor driver of claim 1, wherein said communication interface comprises one or two or more signal lines.
4. The motor driver of claim 3, wherein said communication interface transmits PWM signals having a frequency and duty cycle as data or commands for said motor driver.
5. A motor assembly having a motor drive as claimed in any one of claims 1 to 4, wherein said motor drive is mounted externally or internally of the motor.
6. A wire collecting machine with the motor assembly as claimed in claim 5, wherein a plurality of the motor assemblies are mounted on the same machine body, and the communication interfaces of the plurality of the motor assemblies are correspondingly connected in parallel.
7. A wire retracting machine having the motor assembly of claim 5, wherein in an operating state, the motor assembly enters a stopped state in the absence of traction after operating for a set time, the stopped state is a state in which a motor shaft of the motor assembly is manually rotated, and the motor assembly is returned to the operating state.
8. The wire collecting machine according to claim 6 or 7, characterized by comprising a control machine, wherein the control machine is provided with a communication interface a, and the communication interface a is connected with the communication interfaces of the plurality of motor assemblies in parallel correspondingly.
9. The wire collecting machine according to claim 8, wherein the control machine is electrically connected with a display terminal or a key.
10. An industrial device with the yarn collecting machine of claim 9, characterized by comprising a plastic extruder, a plastic traction device, a heating extension device and an extension traction device, wherein the plastic extruder, the plastic traction device, the heating extension device, the extension traction device and the yarn collecting machine are sequentially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111680083.XA CN114362601A (en) | 2021-12-26 | 2021-12-26 | Motor driver, motor assembly, wire winding machine and industrial equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111680083.XA CN114362601A (en) | 2021-12-26 | 2021-12-26 | Motor driver, motor assembly, wire winding machine and industrial equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114362601A true CN114362601A (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111680083.XA Pending CN114362601A (en) | 2021-12-26 | 2021-12-26 | Motor driver, motor assembly, wire winding machine and industrial equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN114362601A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2818452Y (en) * | 2005-05-19 | 2006-09-20 | 高至星 | Down filler |
| CN2852527Y (en) * | 2005-10-28 | 2006-12-27 | 刘森钢 | Wide band speed-regulating constant power high-speed electric main shaft |
| CN101159422A (en) * | 2007-10-16 | 2008-04-09 | 李平 | Permanent-magnet DC motor drive control system with approximate constant power pulling motor characteristics |
| CN102534834A (en) * | 2012-03-06 | 2012-07-04 | 芜湖恒一塑料设备制造有限公司 | Plastic flat fiber extruding machine set |
| CN102530219A (en) * | 2010-12-08 | 2012-07-04 | 永济新时速电机电器有限责任公司 | Electric propulsion system |
| CN102624307A (en) * | 2011-01-26 | 2012-08-01 | 山东朗进科技股份有限公司 | Constant torque driving method and driving circuit of stepping motor |
| CN202550949U (en) * | 2012-04-16 | 2012-11-21 | 杭州锐方科技有限公司 | Constant air quantity control device of direct current brushless motor based on toque compensation |
| CN104135199A (en) * | 2014-07-15 | 2014-11-05 | 江苏仁源电气有限公司 | Motor driving control method having function of fan/pump constant flow |
-
2021
- 2021-12-26 CN CN202111680083.XA patent/CN114362601A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2818452Y (en) * | 2005-05-19 | 2006-09-20 | 高至星 | Down filler |
| CN2852527Y (en) * | 2005-10-28 | 2006-12-27 | 刘森钢 | Wide band speed-regulating constant power high-speed electric main shaft |
| CN101159422A (en) * | 2007-10-16 | 2008-04-09 | 李平 | Permanent-magnet DC motor drive control system with approximate constant power pulling motor characteristics |
| CN102530219A (en) * | 2010-12-08 | 2012-07-04 | 永济新时速电机电器有限责任公司 | Electric propulsion system |
| CN102624307A (en) * | 2011-01-26 | 2012-08-01 | 山东朗进科技股份有限公司 | Constant torque driving method and driving circuit of stepping motor |
| CN102534834A (en) * | 2012-03-06 | 2012-07-04 | 芜湖恒一塑料设备制造有限公司 | Plastic flat fiber extruding machine set |
| CN202550949U (en) * | 2012-04-16 | 2012-11-21 | 杭州锐方科技有限公司 | Constant air quantity control device of direct current brushless motor based on toque compensation |
| CN104135199A (en) * | 2014-07-15 | 2014-11-05 | 江苏仁源电气有限公司 | Motor driving control method having function of fan/pump constant flow |
Non-Patent Citations (1)
| Title |
|---|
| 王志荣: "艾默生PLC与变频器在化纤柔性生产线上的应用", 应用技术, pages 99 - 100 * |
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