CN103363001A - Magneto-rheological power drive device and control method thereof - Google Patents
Magneto-rheological power drive device and control method thereof Download PDFInfo
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- CN103363001A CN103363001A CN201310329445XA CN201310329445A CN103363001A CN 103363001 A CN103363001 A CN 103363001A CN 201310329445X A CN201310329445X A CN 201310329445XA CN 201310329445 A CN201310329445 A CN 201310329445A CN 103363001 A CN103363001 A CN 103363001A
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Abstract
The invention relates to the field of magneto-rheological power drive, in particular to a magneto-rheological power drive device and a control method. The magneto-rheological power drive device consists of an end-shield seal ring, a code disc, a resetting sensor, a damping plate, a baffle plate, an output clutch plate, an input clutch plate, an output shaft sleeve, an anti-magnetism plate, a coupling, a high-speed oil seal, an end cover plate, a clutch coil rack, a clutch coil, a restraining coil rack, a restraining coil, an impulse sensor, a device shell, a bearing, an oil seal press plate, an output shaft and a magneto-rheological fluid. Compared with the prior art, the magneto-rheological power drive device has the following advantages that a new magneto-rheological fluid material, a novel driving device and an intelligent closed-loop control technology are adopted, so that the gap in the driving technology is filled up and the cost problem for intelligent control over a power connecting device is better solved, a traditional control mode can be replaced, and the magneto-rheological power drive device is applicable to large-range power drive application occasions; the process and cost defects of traditional control products are overcome, and the purpose of safe, efficient, accurate and energy-saving power drive control is realized.
Description
[technical field]
The present invention relates to magnetorheological power transmission field, specifically a kind of magnetorheological actuating unit and controlling method, the power output of motor, internal-combustion engine and all kinds of motors and intelligence and the automation control of power transport process can be applicable to, the essential occasions of using chain drive of all trades and professions such as industry, agricultural, military, civilian, mine, harbour, manufacturing mechanism, industrial robot can be widely used in.
[background technique]
Traditional power transmission control mode is substantially by two-part Composition of contents, a part is the mechanical connecting device between power source and the load, such as clutch, speed changer etc., another part is control and the actuating device of power source, such as power control box, servo-drive case etc.In the past so-called power transmission control is controlled mainly for the front power source of power output, take electric drive as example, by the industrial grade (such as frequency conversion, stepping, actuating motor etc.) of lifting motor product, realizes high-quality, efficiently power output purpose.But the shortcomings such as traditional power transmission control mode exists, and product technology is complicated, user cost is high, maintenance trouble relatively are applicable to the limited range of low power demand, and the general occasion of inapplicable high-power, extensive use.
At present, there is no the case of finding power source is carried out to the power connector that (does not contain power source) between the load intelligent control, magnetorheological transmission device of the present invention and controlling method are by adopting new material, new technology, traditional drive control mode being changed and innovated, solved preferably this drive technology blank and power connector carried out the Cost Problems of intelligent control, can replace traditional control mode, be applicable to power transmission application on a large scale.
The magnetic rheological liquid of magnetorheological transmission device inside is a kind of novel phase-change material, it is a kind of by high magnetic permeability, small (micron even the nanometer) soft magnetic particles of low magnetic hysteresis and the magnetic grain suspension that non-magnetizer liquid mixes, when without magnetic field, the particulate iron Particle free ground that suspends moves with liquid, when applying magnetic field, the particulate iron particle of these suspensions is attracted each other, one utmost point is to another utmost point from magnetic field to form a string chain structure, and magnetic rheological liquid just became plastomer by Newtonian fluid or the viscoelastic body of certain yield shear stress was arranged in the moment of Millisecond this moment; Thereby the electric current in changing field coil obtains the magnetic field of varying strength, and the yield shear stress of magnetic flow liquid also changes, and namely under strong magnetic field action, anti-shearing force is very large, presents the characteristics of liquids of high viscosity, lazy flow; Present low viscous characteristic under zero magnetic field condition, its shear yield strength and magnetic intensity (or size of current) have stable corresponding relation; This rheology controllability of magnetic flow liquid can realize the continuous variable of damping force just, thereby reaches the ACTIVE CONTROL to the power transmission clutch brake.
[summary of the invention]
The objective of the invention is for the power transmission process that does not comprise power source (power source is between the load) and carry out intellectuality and automation control, the control mode of innovative impetus transmission, promote powerdriven control technique and economic efficacy; By the setting of system program, easy use operation to the automation of power transmission implementation Process, high efficiency, cheaply control and management, provides a kind of magnetorheological actuating unit and controlling method.
For achieving the above object, design a kind of magnetorheological actuating unit, comprise the end bracket enclosed circle, code-disc, reseting sensor, damping plate, dividing plate, the output clutch-plate, the input clutch sheet, output sleeve, antifreeze plate, coupling, high-speed oil seal, end casing, the clutch coil frame, clutch coil, the restraining coil frame, restraining coil, impulser, device case, bearing, the oil sealing pressing plate, output shaft, magnetic flow liquid, it is characterized in that the device case left and right sides is respectively equipped with two cover cover plate assemblies, be provided with the end bracket enclosed circle in the end casing, bearing, high-speed oil seal, end casing fixedly oil sealing pressing plate forms cover plate assembly, be provided with baffle assembly in the device case, the described baffle assembly output sleeve dividing plate of packing into forms baffle assembly, the baffle assembly left side is provided with the restraining coil assembly, the baffle assembly right side is provided with the clutch coil assembly, described dividing plate is near the clutch coil assembly, described damping plate is arranged in the device case and near the restraining coil assembly, described output shaft is arranged in the device case and passes bearing bore diameter, output shaft one end emersion cover plate assembly, the other end passes output sleeve and connects the output clutch-plate, output clutch-plate right side is provided with the input clutch sheet, output clutch-plate and input clutch sheet are installed on the antifreeze plate, and separate by antifreeze plate, the input clutch sheet is provided with the input clutch bobbin, fill with magnetic flow liquid in the cavity of installation clutch-plate in the device case, described coupling is inserted in the input clutch bobbin, consists of whole.
Described clutch coil assembly is comprised of clutch coil frame, clutch coil, and described restraining coil assembly is comprised of restraining coil frame, restraining coil, and restraining coil assembly and clutch coil assembly are pulled out respectively lead-foot-line outside housing; Described reseting sensor, impulser are installed in the device case, pull out outside the lead-foot-line auto levelizer housing; Described right cap board component is inserted in the input clutch bobbin, is fixedly mounted on the device case end face, and the left cap board component is inserted in output shaft, is fixedly mounted on the device case end face; Be provided with output clutch-plate, input clutch sheet in the cavity of described device case, output clutch-plate, input clutch sheet clearance distance are 1.5mm, adopt the magnetic flow liquid transmission medium body that is used as power.
The installation method step of described magnetorheological actuating unit is as follows:
A. the end casing of end bracket enclosed circle bearing, high-speed oil seal being packed into, fixedly the oil sealing pressing plate forms two cover cover plate assemblies,
B. the dividing plate of output sleeve being packed into forms baffle assembly,
C., clutch coil frame, clutch coil are installed, are formed the clutch coil assembly,
D., restraining coil frame, restraining coil are installed, are formed the restraining coil assembly,
E. with in bearing, high-speed oil seal, the charging apparatus housing, fixing oil sealing pressing plate,
F., reseting sensor, impulser are installed in device case, are pulled out lead-foot-line outside housing,
G., damping plate is installed in device case,
H. output shaft is penetrated the bearing bore diameter in the device case,
I., code-disc is installed on output shaft,
J. install in the restraining coil assembly auto levelizer housing, near damping plate, pull out lead-foot-line outside housing,
K. install in the baffle assembly auto levelizer housing,
L. will export clutch-plate and output shaft is fixed installation,
M. install in the clutch coil assembly auto levelizer housing, near dividing plate, pull out lead-foot-line outside housing,
N., antifreeze plate is installed to the output clutch-plate,
O., the input clutch sheet is installed to antifreeze plate,
P. a cover cover plate assembly is inserted in the input clutch bobbin, is fixedly mounted on the device case end face,
Q. a cover cover plate assembly is inserted in output shaft, is fixedly mounted on the device case end face,
R. in the cavity of device case installation clutch-plate, fill with magnetic flow liquid,
S. coupling is inserted in the input clutch bobbin, finishes whole magnetorheological transmission device of assembling.
The controlling method of described magnetorheological actuating unit is: breaker closing, connect electrical source of power, and motor and controller are in holding state; DC power supply, the contact switch of driven by program controller is closed, the charged work of power loop contactor, motor operation, the clutch ﹠ brake coil of controller are appointed and are in power failure state, and output shaft does not turn; Start control system to working state, drive circuit produces output current, the charged generation of clutch coil magnetic field, clutch-plate engagement, output shaft running and outputting power; The output shaft running makes sensor produce the feedback pulse signal, and system program is since 0 step-by-step counting; When comparison circuit obtains P-pulse number and sensor feedback umber of pulse equal value, system program control clutch coil dead electricity, restraining coil is charged, this moment, clutch quit work, break starts brake, and the switch contact of drive controller circuit restores simultaneously, and the motor dead electricity also shuts down; Control program is according to the time of setting, and order power controller and motor return to initial holding state; Output shaft circular flow finishes, and circuit breaker is opened a sluice gate, and cuts off the dynamic Control power supply.
Concrete controlling method is as follows:
A. time control mode: electric major loop closes a floodgate, DC power supply, and system starts, and relay normally open contact is closed, starts electrical source of power, motor operation; Operation time, output shaft speed current value that control system is set according to single-chip microcomputer, the driving clutch coil current, clutch is closed, outputting axial power output; When operation arrives the time value of setting, the clutch coil dead electricity, clutch is carried out and is separated, and this moment, relay normally open contact resetted, and cut off motor drive power supply; This moment, control system drove brake coil current, and break closes a floodgate, and the braking output shaft finishes power output;
B. position control mode: electric major loop closes a floodgate, DC power supply, and system starts, and relay normally open contact is closed, starts electrical source of power, motor operation; Number of pulses, output shaft speed current value that control system is set according to single-chip microcomputer, the driving clutch coil current, clutch is closed, outputting axial power output; The umber of pulse that control system is relatively set and fed back, when number of pulses that the step-by-step counting of feedback equals to set, the clutch coil dead electricity, clutch carry out to separate, and this moment, relay normally open contact resetted, and cut off motor drive power supply; This moment, control system drove brake coil current, and break closes a floodgate, and the braking output shaft finishes power output;
C. loop control pattern: under the prerequisite of setting blanking time and cycle times, the process of a power output duty cycle of the continuous repetitive cycling of controller.
The present invention compared with prior art has following good effect and advantage:
1. power transmission control mode of the present invention is the control technique that solves in the power transport process, does not relate to power source product and control technique, therefore greatly reduces the difficulty to power transfer control and operation.
2. transmission device of the present invention adopts the Novel magnetorheological fluid material, imposes advanced control device, can realize safe, efficient, accurate, energy-conservation control effect, and product purpose is wide, low cost of manufacture, and promotional value is large.
The present invention use clutch that magnetic flow liquid makes and break have exert oneself large, volume is little, the response is fast, simple in structure, damping force continuously adjustable, be easy to realize the advantage such as intelligent power transmission control.
4. magnetorheological actuating unit of the present invention; adopt contactless flexible clutch brake; characteristic with startup, braking and overload protection; simplify the control circuit of power source motor, and effectively solved the mechanical friction loss of generation in the conventional clutch use and the defective of fault.
5. magnetorheological actuating unit of the present invention has Open loop and closed loop control function, can carry out fine-grained management to the power transmission process, can replace the power transmission control product of existing market high price on a large scale, thereby reduce the social undertakings cost of production.
6. the present invention is the innovation to traditional transmission control thought method, will to the upgrading development of China's power transmission control technique, play positive progradation.
[description of drawings]
Fig. 1 is plan view of the present invention;
Fig. 2 is the axonometric drawings such as the present invention;
Fig. 3 is master's pseudosection of the present invention;
Fig. 4 is control system theory diagram of the present invention;
Fig. 5 is Fundamentals of Mono-Chip Computers block diagram of the present invention;
Fig. 6 is controller function panel figure of the present invention;
As shown in the figure, among the figure: 1 is the end bracket enclosed circle, and 2 is code-disc, and 3 is reseting sensor, 4 is damping plate, and 5 is dividing plate, and 6 are the output clutch-plate, and 7 is the input clutch sheet, 8 is output sleeve, and 9 is antifreeze plate, and 10 is coupling, and 11 is high-speed oil seal, 12 is end casing, and 13 is the clutch coil frame, and 14 is clutch coil, and 15 is the restraining coil frame, 16 is restraining coil, and 17 is impulser, and 18 is device case, and 19 is bearing, 20 is the oil sealing pressing plate, and 21 is output shaft, and 22 is magnetic flow liquid;
Specifying Fig. 3 is Figure of abstract of the present invention.
[embodiment]
The invention will be further described below in conjunction with accompanying drawing, and the structure of this device and principle are very clearly concerning this professional people.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Such as Fig. 1, shown in Figure 3, a kind of magnetorheological actuating unit of the present invention comprises the end bracket enclosed circle, code-disc, reseting sensor, damping plate, dividing plate, the output clutch-plate, the input clutch sheet, output sleeve, antifreeze plate, coupling, high-speed oil seal, end casing, the clutch coil frame, clutch coil, the restraining coil frame, restraining coil, impulser, device case, bearing, the oil sealing pressing plate, output shaft, magnetic flow liquid, it is characterized in that the device case left and right sides is respectively equipped with two cover cover plate assemblies, be provided with the end bracket enclosed circle in the end casing, bearing, high-speed oil seal, end casing fixedly oil sealing pressing plate forms cover plate assembly, be provided with baffle assembly in the device case, the described baffle assembly output sleeve dividing plate of packing into forms baffle assembly, the baffle assembly left side is provided with the restraining coil assembly, the baffle assembly right side is provided with the clutch coil assembly, described dividing plate is near the clutch coil assembly, and described damping plate is arranged in the device case and near the restraining coil assembly; Output shaft is arranged in the device case and passes bearing bore diameter, output shaft one end emersion cover plate assembly, the other end passes output sleeve and connects the output clutch-plate, output clutch-plate right side is provided with the input clutch sheet, and output clutch-plate and input clutch sheet are installed on the antifreeze plate, and separate by antifreeze plate, the input clutch sheet is provided with the input clutch bobbin, fill with magnetic flow liquid in the cavity of installation clutch-plate in the device case, described coupling is inserted in the input clutch bobbin, consists of whole.
The clutch coil assembly is comprised of clutch coil frame, clutch coil, and the restraining coil assembly is comprised of restraining coil frame, restraining coil, and restraining coil assembly and clutch coil assembly are pulled out respectively lead-foot-line outside housing; Reseting sensor, impulser are installed in the device case, pull out outside the lead-foot-line auto levelizer housing; The right cap board component is inserted in the input clutch bobbin, is fixedly mounted on the device case end face, and the left cap board component is inserted in output shaft, is fixedly mounted on the device case end face; Be provided with output clutch-plate, input clutch sheet in the cavity of device case, output clutch-plate, input clutch sheet clearance distance are 1.5mm, adopt the magnetic flow liquid transmission medium body that is used as power, and see Fig. 2.
Embodiment 1
As shown in Figure 3, the installation method step of above-mentioned magnetorheological actuating unit is as follows:
1. the end casing of end bracket enclosed circle bearing, high-speed oil seal being packed into, fixedly the oil sealing pressing plate forms two cover cover plate assemblies,
2. the dividing plate of output sleeve being packed into forms baffle assembly,
3. clutch coil frame, clutch coil are installed, are formed the clutch coil assembly,
4. restraining coil frame, restraining coil are installed, are formed the restraining coil assembly,
5. with in bearing, high-speed oil seal, the charging apparatus housing, fixing oil sealing pressing plate,
6. reseting sensor, impulser are installed in device case, are pulled out lead-foot-line outside housing,
7. damping plate is installed in device case,
8. output shaft is penetrated the bearing bore diameter in the device case,
9. code-disc is installed on output shaft,
10. install in the restraining coil assembly auto levelizer housing, near damping plate, pull out lead-foot-line outside housing,
11. install in the baffle assembly auto levelizer housing,
12. will export clutch-plate and output shaft is fixed installation,
13. install in the clutch coil assembly auto levelizer housing, near dividing plate, pull out lead-foot-line outside housing,
14. antifreeze plate is installed to the output clutch-plate,
15. the input clutch sheet is installed to antifreeze plate,
16. a cover cover plate assembly is inserted in the input clutch bobbin, be fixedly mounted on the device case end face,
17. a cover cover plate assembly is inserted in output shaft, be fixedly mounted on the device case end face,
18. in the cavity of device case installation clutch-plate, fill with magnetic flow liquid,
19. coupling is inserted in the input clutch bobbin, finishes whole magnetorheological transmission device of assembling.
Embodiment 2
Such as Fig. 4, shown in Figure 5, the controlling method of above-mentioned magnetorheological actuating unit is as follows:
1. time control mode
Electric major loop closes a floodgate, DC power supply, and system starts, and relay normally open contact is closed, starts electrical source of power, motor operation; Control system is set operation time, the output shaft speed current value of meter according to single-chip microcomputer or upper-position unit, the driving clutch coil current, and clutch is closed, outputting axial power output; When operation arrives the time value of setting, the clutch coil dead electricity, clutch is carried out and is separated, and this moment, relay normally open contact resetted, and cut off motor drive power supply; This moment, control system drove brake coil current, and break closes a floodgate, and the braking output shaft finishes power output.
2. position control mode
Electric major loop closes a floodgate, DC power supply, and system starts, and relay normally open contact is closed, starts electrical source of power, motor operation; Control system is set the number of pulses of meter or pulsed quantity, the output shaft speed current value that upper-position unit is sent here according to single-chip microcomputer, the driving clutch coil current, and clutch is closed, outputting axial power output; The umber of pulse that control system is relatively set and fed back, when number of pulses that the step-by-step counting of feedback equals to set, the clutch coil dead electricity, clutch carry out to separate, and this moment, relay normally open contact resetted, and cut off motor drive power supply; This moment, control system drove brake coil current, and break closes a floodgate, and the braking output shaft finishes power output.
3. loop control pattern
Under the prerequisite of setting blanking time and cycle times, power output duty cycle of the continuous repetitive cycling of controller, the process of the running environment of time state of a control or pulse state of a control, namely " start operation---reset and stop---time lag---start operation---reset and stop---".
4. transmission control program
4.1, breaker closing, connect electrical source of power, motor and controller are in holding state;
4.2, DC power supply, the contact switch of driven by program controller is closed, the charged work of power loop contactor, motor operation, the clutch ﹠ brake coil of controller are appointed and are in power failure state, output shaft does not turn;
4.3, operating mode, working time, umber of pulse, period, all kinds of Operational Limits be set;
4.4, start control system to working state, drive circuit produces output current, the charged generation of clutch coil magnetic field, the clutch-plate engagement, the output shaft running is outputting power also;
4.5, output shaft running makes sensor produce the feedback pulse signal, system program is since 0 step-by-step counting;
4.6, obtain P-pulse number or upper umber of pulse and sensor feedback umber of pulse equal value when comparison circuit, system program control clutch coil dead electricity, restraining coil is charged, this moment, clutch quit work, break starts brake, the switch contact of drive controller circuit restores simultaneously, and the motor dead electricity also shuts down;
4.7, control program is according to the time of setting, order power controller and motor return to initial holding state;
4.8, output shaft circular flow finishes, circuit breaker is opened a sluice gate, and cuts off the dynamic Control power supply.
5. panel operation method, as shown in Figure 6,
5.1, the indication of four kinds of patterns: a. time operating mode, b. position operating mode, c. circular flow pattern, the d. parameter arranges pattern, is defaulted as the time operating mode;
5.2, the panel setting: add and subtract up and down button, confirm to withdraw from button;
5.3, menu setting: Time Delay Opening contact 1, timing closing contact 2, present mode of operation, working time number, P-pulse number, operation cycle-index, coil drive current, output umber of pulse, full scale output voltage values;
5.4, panel operation: long enter the pattern of setting by confirmation key, enter rear run indicator and go out that tutorial light is set is bright; This moment, parameter sequence number nixie tube indicated current 8 nixie tubes to be which parameter, and key can change parameter about pressing, but presses the confirmation key stored parameter, but presses ESC Escape system reset original state.
Claims (8)
1. magnetorheological actuating unit, comprise the end bracket enclosed circle, code-disc, reseting sensor, damping plate, dividing plate, the output clutch-plate, the input clutch sheet, output sleeve, antifreeze plate, coupling, high-speed oil seal, end casing, the clutch coil frame, clutch coil, the restraining coil frame, restraining coil, impulser, device case, bearing, the oil sealing pressing plate, output shaft, magnetic flow liquid, it is characterized in that the device case left and right sides is respectively equipped with two cover cover plate assemblies, be provided with the end bracket enclosed circle in the end casing, bearing, high-speed oil seal, end casing fixedly oil sealing pressing plate forms cover plate assembly, be provided with baffle assembly in the device case, the described baffle assembly output sleeve dividing plate of packing into forms baffle assembly, the baffle assembly left side is provided with the restraining coil assembly, the baffle assembly right side is provided with the clutch coil assembly, described dividing plate is near the clutch coil assembly, described damping plate is arranged in the device case and near the restraining coil assembly, described output shaft is arranged in the device case and passes bearing bore diameter, output shaft one end emersion cover plate assembly, the other end passes output sleeve and connects the output clutch-plate, output clutch-plate right side is provided with the input clutch sheet, output clutch-plate and input clutch sheet are installed on the antifreeze plate, and separate by antifreeze plate, the input clutch sheet is provided with the input clutch bobbin, fill with magnetic flow liquid in the cavity of installation clutch-plate in the device case, described coupling is inserted in the input clutch bobbin, consists of whole.
2. a kind of magnetorheological actuating unit as claimed in claim 1, it is characterized in that described clutch coil assembly is comprised of clutch coil frame, clutch coil, described restraining coil assembly is comprised of restraining coil frame, restraining coil, and restraining coil assembly and clutch coil assembly are pulled out respectively lead-foot-line outside housing.
3. a kind of magnetorheological actuating unit as claimed in claim 1 is characterized in that described reseting sensor, impulser are installed in the device case, pulls out outside the lead-foot-line auto levelizer housing, and described output shaft is provided with code-disc.
4. a kind of magnetorheological actuating unit as claimed in claim 1 is characterized in that described right cap board component is inserted in the input clutch bobbin, is fixedly mounted on the device case end face, and the left cap board component is inserted in output shaft, is fixedly mounted on the device case end face.
5. a kind of magnetorheological actuating unit as claimed in claim 1, it is characterized in that being provided with in the cavity of described device case output clutch-plate, input clutch sheet, output clutch-plate, input clutch sheet clearance distance are 1.5mm, adopt the magnetic flow liquid transmission medium body that is used as power.
6. the installation method of a magnetorheological actuating unit as claimed in claim 1 is characterized in that described installation method step is as follows:
A. the end casing of end bracket enclosed circle bearing, high-speed oil seal being packed into, fixedly the oil sealing pressing plate forms two cover cover plate assemblies,
B. the dividing plate of output sleeve being packed into forms baffle assembly,
C., clutch coil frame, clutch coil are installed, are formed the clutch coil assembly,
D., restraining coil frame, restraining coil are installed, are formed the restraining coil assembly,
E. with in bearing, high-speed oil seal, the charging apparatus housing, fixing oil sealing pressing plate,
F., reseting sensor, impulser are installed in device case, are pulled out lead-foot-line outside housing,
G., damping plate is installed in device case,
H. output shaft is penetrated the bearing bore diameter in the device case,
I., code-disc is installed on output shaft,
J. install in the restraining coil assembly auto levelizer housing, near damping plate, pull out lead-foot-line outside housing,
K. install in the baffle assembly auto levelizer housing,
L. will export clutch-plate and output shaft is fixed installation,
M. install in the clutch coil assembly auto levelizer housing, near dividing plate, pull out lead-foot-line outside housing,
N., antifreeze plate is installed to the output clutch-plate,
O., the input clutch sheet is installed to antifreeze plate,
P. a cover cover plate assembly is inserted in the input clutch bobbin, is fixedly mounted on the device case end face,
Q. a cover cover plate assembly is inserted in output shaft, is fixedly mounted on the device case end face,
R. in the cavity of device case installation clutch-plate, fill with magnetic flow liquid,
S. coupling is inserted in the input clutch bobbin, finishes whole magnetorheological transmission device of assembling.
7. the controlling method of a magnetorheological actuating unit as claimed in claim 1 is characterized in that described controlling method is as follows: breaker closing, connect electrical source of power, and motor and controller are in holding state; DC power supply, the contact switch of driven by program controller is closed, the charged work of power loop contactor, motor operation, the clutch ﹠ brake coil of controller are appointed and are in power failure state, and output shaft does not turn; Start control system to working state, drive circuit produces output current, the charged generation of clutch coil magnetic field, clutch-plate engagement, output shaft running and outputting power; The output shaft running makes sensor produce the feedback pulse signal, and system program is since 0 step-by-step counting; When comparison circuit obtains P-pulse number and sensor feedback umber of pulse equal value, system program control clutch coil dead electricity, restraining coil is charged, this moment, clutch quit work, break starts brake, and the switch contact of drive controller circuit restores simultaneously, and the motor dead electricity also shuts down; Control program is according to the time of setting, and order power controller and motor return to initial holding state; Output shaft circular flow finishes, and circuit breaker is opened a sluice gate, and cuts off the dynamic Control power supply.
8. controlling method as claimed in claim 8 is characterized in that described concrete controlling method is as follows:
A. time control mode: electric major loop closes a floodgate, DC power supply, and system starts, and relay normally open contact is closed, starts electrical source of power, motor operation; Operation time, output shaft speed current value that control system is set according to single-chip microcomputer, the driving clutch coil current, clutch is closed, outputting axial power output; When operation arrives the time value of setting, the clutch coil dead electricity, clutch is carried out and is separated, and this moment, relay normally open contact resetted, and cut off motor drive power supply; This moment, control system drove brake coil current, and break closes a floodgate, and the braking output shaft finishes power output;
B. position control mode: electric major loop closes a floodgate, DC power supply, and system starts, and relay normally open contact is closed, starts electrical source of power, motor operation; Number of pulses, output shaft speed current value that control system is set according to single-chip microcomputer, the driving clutch coil current, clutch is closed, outputting axial power output; The umber of pulse that control system is relatively set and fed back, when number of pulses that the step-by-step counting of feedback equals to set, the clutch coil dead electricity, clutch carry out to separate, and this moment, relay normally open contact resetted, and cut off motor drive power supply; This moment, control system drove brake coil current, and break closes a floodgate, and the braking output shaft finishes power output;
C. loop control pattern: under the prerequisite of setting blanking time and cycle times, the process of a power output duty cycle of the continuous repetitive cycling of controller.
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| CN201310329445.XA CN103363001B (en) | 2013-07-31 | 2013-07-31 | A kind of magneto-rheological power drive device and installation method thereof and controlling method |
| TW103111606A TWI571572B (en) | 2013-04-02 | 2014-03-28 | A magnetorheological power transmission and control method |
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| TWI723305B (en) * | 2017-12-09 | 2021-04-01 | 美商愛康運動與健康公司 | Systems and methods for selectively rotationally fixing a pedaled drivetrain |
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