CN106090066A - Magnetic rheological clutch, control method and the water pump of a kind of infinitely variable speeds regulation - Google Patents
Magnetic rheological clutch, control method and the water pump of a kind of infinitely variable speeds regulation Download PDFInfo
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- CN106090066A CN106090066A CN201610708144.1A CN201610708144A CN106090066A CN 106090066 A CN106090066 A CN 106090066A CN 201610708144 A CN201610708144 A CN 201610708144A CN 106090066 A CN106090066 A CN 106090066A
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- magnetic
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- output shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D37/00—Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive
- F16D37/008—Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive the particles being carried by a fluid, to vary viscosity when subjected to electric change, i.e. electro-rheological or smart fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses the magnetic rheological clutch of a kind of infinitely variable speeds, the electromagnetic field that the magnetic field produced by permanent magnet and solenoid are produced acts on magnetic flow liquid jointly, magnetic flow liquid solid-liquid state can transmit certain moment, thus realize the continuous control of load speed, then can be according to the switch of the selection coolant of different adaptability for working condition and the flow of coolant, improve heat management efficiency, it is achieved the Intelligent adjustment of engine thermal management system, ensure Fuel Economy to greatest extent.
Description
Technical field
The invention belongs to automobile engine cooling device design field, be specifically related to the magnetorheological of a kind of infinitely variable speeds
Clutch, control method and water pump.
Background technology
Within 1948, Rabinow first proposed the concept of magnetic flow liquid.It is to be disperseed by the magnetic polarization granule of micron-scale
The suspension formed in non magnetic liquid (mineral oil, silicone oil etc.).In the case of null field, magnetic flow liquid shows as mobile performance
Good liquid, its apparent viscosity is the least；Within the short time (Millisecond), apparent viscosity two can be increased under strong magnetic field action
More than the order of magnitude, and present class solid property；And this change is continuous print, reversible, returns to again after i.e. removing magnetic field
State originally.But, from the fifties to the eighties during, owing to not recognizing the potentiality of its shear stress and depositing
In the problem such as suspension, corrosivity, magnetic flow liquid develops the most slowly.Enter people's nineties, along with the raising of technology of preparing,
Life has been shone in magnetic flow liquid research again, becomes an important branch of current intellectual material research field.
Huge fund is thrown by the most external ten several countries that have, and this project is accelerated research and development, competitively develops this
Technology.Carlson and Weiss of LORD company of the U.S. et al. achieves relatively in terms of magnetorheological fluid performance research and application and development
For prominent achievement, make LORD company first commercial magnetorheological device of release in the world.The Zhu of California, USA state university and
The Liu et al. the rheology to magnetic flow liquid, particularly microstructure have carried out a large amount of in-depth study.Notre Dame is big in the U.S.
Magnetic rheological liquid damper is used for the control of large scale structure seismic response by Dyke and Spencer learned et al..It addition, Byelorussia
Study on Heat and Mass Transfer Kordonski et al. in terms of the polishing and sealing applications of magnetic flow liquid, achieve bigger progress.
Germany Kormann et al., after particle diameter, surface layer etc. have been made suitable modification improvement, has been developed that stable nanoscale magnetic
Rheology liquid (has composition substantially identical with magnetic fluid), under the moderate magnetic field effect of 0.2T, yield stress up to
4kPa.The magnetic flow liquid research work of China is started late, the most domestic priority have Chinese University of Science and Technology, Fudan University,
Tens of scientific research institutions and the institutes such as University Of Chongqing, Northwestern Polytechnical University, Chinese Academy of Sciences's CAS Institute of Physics, Chongqing Intelligent material structure institute
Research work in this respect is carried out in school the most in succession.Along with going deep into and the raising of MRF performance of research, this technology starts at machinery
The fields such as the processing of engineering, automobile engineering, control engineering, precision instrument and Aero-Space obtain preliminary application, have shown huge
Big market application potential.
At present, automobile engine heat management is increasingly paid attention to by society, it is generally the case that electromotor to have one optimal
Running temperature, the most fuel-efficient when running under optimum temperature, and electromotor temperature when running up can gradually rise, and should start
The cooling requirement of machine, then needs when indicating oven temp. of engine coolant to open and is adjusted cooling.
Prior art is by pump operation that water pump is to pass through electromotor in the running by coolant output to equipment
Bent axle drive pulley rotation, the impeller of belt pulley and water pump realizes linkage and rotary action power passes to impeller, and impeller is transported
Turn the conveying realizing coolant.In prior art, electromotor needs to carry out cooling process under certain operating mode, and now water pump is complete
Speed operating condition, flow is relatively big, and under other operating modes, cooling system does not works, owing to engine operating condition is different, required coolant
Flow also differs, and according to the above-mentioned type of cooling, the then problem that can cause engine warm-up time length, heat management efficiency is low,
Energy consumption is relatively big, and cost is high.
In view of problem above, it is necessary to propose a kind of utilize magnetorheological physical characteristic design moment stepless controlled from
Clutch, is applied on water pump, it is achieved the step-less adjustment of pump capacity, according to the change of machine actual condition, it is achieved pump rotary speed
Continuous control, the switch of adaptive selection coolant and the flow of coolant, improve heat management efficiency, it is achieved oil-saving discharging-reducing
Purpose, reduce cost.
Summary of the invention
In view of this, the invention provides the magnetic rheological clutch of a kind of infinitely variable speeds, according to engine cool needs, logical
The electromagnetic field in the magnetic field and solenoid generation of crossing permanent magnet generation acts on magnetic flow liquid jointly, magnetic flow liquid solid-liquid state
Certain moment can be transmitted, thus realize the continuous control of load speed, according to the change of machine operating mode, control magnetic flow liquid
State, the size of output rotating speed regulation, the then switch of the regulation coolant of being adapted to property and the flow of coolant, improve
Heat management efficiency, it is achieved the purpose of oil-saving discharging-reducing, reduces cost.
According to the magnetic rheological clutch of a kind of infinitely variable speeds regulation that the purpose of the present invention proposes, described magnetic rheological clutch
Including a drive, described drive, in order to connect power source to transmit rotatory force, described drive is fixedly connected with a storage
Sap cavity, is filled with magnetic flow liquid in described liquid storage cylinder, the outfan of drive is provided with an output shaft, the end of described output shaft
End inserts in liquid storage cylinder and contact with magnetic flow liquid, and the front end of described output shaft connects and loads, described drive, liquid storage cylinder and
Output shaft concentrically line；
Described magnetic rheological clutch also includes a solenoid, produces electromagnetic field, described electricity after the energising of described solenoid
Magnetic field size is adjustable, and the character of magnetic flow liquid is in a liquid state according to electromagnetic field size, solid-state or between solid-state and liquid；
When drive rotates, magnetic flow liquid provides shearing force for output shaft, when shearing force more than load inertia moment and carries
During for driving moment, load operation, and load speed is adjustable；When shearing force is less than load inertia moment, load stall.
Preferably, described magnetic rheological clutch also includes a permanent magnet, under original state, at magnetic field of permanent magnet active force
Under, the magnetic flow liquid in liquid storage cylinder is solid-state, drive, output shaft and load synchronous axial system；After energising, described electromagnetic field is with forever
Magnets magnetic fields is contrary, and when electromagnetic field incrementally increases, magnetic flow liquid is progressively changed to liquid by solid-state, output shaft and load speed by
Step reduces, and when shearing force is less than load inertia moment, loads stall.
Preferably, described permanent magnet is arranged on liquid storage cylinder side.
Preferably, described solenoid is arranged on output shaft or is arranged on liquid storage cylinder opposite side.
Preferably, described output shaft end is fixedly installed a rotating disk, and described rotating disk is positioned at liquid storage cylinder, described rotating disk with
Output shaft and load synchronous axial system, realize the rotation of different rotating speeds according to the state of magnetic flow liquid.
Preferably, described liquid storage cylinder is cooperatively formed by upper and lower two cover caps, and described liquid storage cylinder offers a liquid injection hole, institute
State liquid storage cylinder to arrange for sealing.
The electrodeless variable-speed control method of a kind of magnetic rheological clutch, uses magnetic rheological clutch, specific as follows:
S1: described magnetic rheological clutch includes a permanent magnet, under original state, under magnetic field of permanent magnet active force, liquid storage
The magnetic flow liquid of intracavity is solid-state, drive, output shaft and load synchronous axial system；
S2: solenoid energising is processed:
When electric current is 0, in system, the high-intensity magnetic field of permanent magnet makes magnetic flow liquid present solid-state properties, the magnetic flow liquid of solid-state
Can be to drive output shaft to provide shearing force, the moment of drive passes to load, load starts running, load speed and biography
Driving wheel rotating speed is consistent；
When electric current is T, the magnetic field intensity that solenoid produces is big with the magnetic field intensity that permanent magnet produces at output shaft
Little equal, in opposite direction, the conjunction magnetic force that now magnetic flow liquid is subject to is zero, is in a liquid state, the shearing force now provided for output shaft
Cannot overcome moment of inertia and the required driving torque of load, the moment of drive cannot pass to load, now loads stall；
When current value is between 0 to T, solenoid produces magnetic field and the magnetic field of permanent magnet phase interaction of some strength
With, the state that magnetic flow liquid presents, between solid-state and liquid, provides certain shearing force for output shaft, can overcome load
Moment of inertia and be provided that certain driving moment, be supported under setting speed operating, load speed be less than drive rotating speed.
A kind of water pump, including impeller, also includes that magnetic rheological clutch, described impeller are described load, the property of magnetic flow liquid
Shape changes, and exports different rotating speeds, then regulates the flow of water pump.
Compared with prior art, the advantage of the magnetic rheological clutch of infinitely variable speeds disclosed by the invention is:
Jointly act on according to the electromagnetic field that engine cool needs, the magnetic field produced by permanent magnet and solenoid are produced
On magnetic flow liquid, magnetic flow liquid solid-liquid state can transmit certain moment, thus realizes the continuous control of load speed.
According to the change of actual condition, controlled the state of magnetic flow liquid by ECU, control the size of output speed, can be real
Existing load speed from 0 to maximum continuous control, the switch of the selection coolant of being adapted to property and the flow of coolant then,
Shorten warm-up period, improve heat management efficiency, it is achieved the Intelligent adjustment of engine thermal management system, ensure to greatest extent to start
Machine fuel economy.
And, fast response time of the present invention, millisecond rank；Realizing rotational speed regulation by magnetic flow liquid, structure is the most succinct,
Noise is little.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
The axonometric chart of magnetic rheological clutch in Fig. 1.
Fig. 2 is the sectional view of magnetic rheological clutch.
Fig. 3 is the explosive view of magnetic rheological clutch.
Numeral in figure or the title of the corresponding component representated by letter:
1, drive 2, liquid storage cylinder 3, output shaft 4, water pump cover 5, bearing 6, solenoid 7, drive disk 8,
Sealing ring 9, sealing gasket 10, sleeve 11, upper cover 12, lower cover cap 13, permanent magnet 14, bolt 15, liquid injection hole
Detailed description of the invention
The most as described in the background section, in prior art, electromotor needs to carry out cooling process under certain operating mode, this
Time water pump be full-speed operation state, flow is relatively big, and owing to engine operating condition is different, required coolant rate also differs, if
Using the above-mentioned type of cooling, the then problem that can cause engine warm-up time length, heat management efficiency is low, and energy consumption is relatively big, and cost is high.
The present invention is directed to deficiency of the prior art, it is provided that the magnetic rheological clutch of a kind of infinitely variable speeds, according to starting
Machine cooling needs, and the electromagnetic field that the magnetic field produced by permanent magnet and solenoid are produced acts on magnetic flow liquid jointly, magnetic
Rheology solid and liquid state can transmit certain moment, thus realizes the continuous control of load speed, according to the change of actual condition
Change, control the state of magnetic flow liquid, the size of output rotating speed regulation, the then switch of the regulation coolant of being adapted to property and cold
But the flow of liquid, improves heat management efficiency, it is achieved the purpose of oil-saving discharging-reducing, reduces cost.
By detailed description of the invention, technical scheme will be clearly and completely described below.Obviously, retouched
The embodiment stated is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, this
The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, broadly falls into the present invention
The scope of protection.
Please also refer to Fig. 1 to Fig. 3, as it can be seen, the magnetic rheological clutch of a kind of infinitely variable speeds regulation, magnetorheological clutch
Device includes a drive 1, and drive 1 is in order to connect power source to transmit rotatory force, and medium power source of the present invention is electromotor, wherein
Drive is belt wheel form, and the bent axle of electromotor connects driving pulley, and driving pulley forms linkage with this drive.
In the present invention as a example by water pump, rotary action power is passed to the impeller of water pump by drive, in traditional structure forms
Not arranging clutch, engine direct connects impeller operating output coolant, and the flow of coolant is uncontrollable, and due to
Engine operating condition is different, and required coolant rate also differs, and therefore, there is engine warm-up time long in prior art,
Heat management efficiency is low, the problem that energy consumption is bigger.
By arranging magnetic rheological clutch in the present invention, this magnetic rheological clutch is connected with impeller, it is achieved impeller stepless
Gearshift adjustment.Change regulation wheel speed according to actual condition, thus regulate the uninterrupted of engine coolant, can basis
The rotating speed needing control impeller of the different operating mode such as machine rotational speed, igniting, shortens warm-up period, improves heat management efficiency, reduce
Oil consumption, it is achieved the purpose of oil-saving discharging-reducing, reduces cost.
Being fixedly connected with a liquid storage cylinder 2 on drive 1, liquid storage cylinder 2 can be cooperatively formed with lower cover cap 12 by upper cover 11, side
Just dismantle, it is possible to directly using a whole containing cavity, concrete mode does not limits.
Being filled with magnetic flow liquid in liquid storage cylinder 2, the outfan of drive 1 is provided with an output shaft 3, and (this output shaft is leaf
The rotating shaft of wheel), in the end of output shaft 3 inserts liquid storage cylinder 2 and contact with magnetic flow liquid, the front end of output shaft connects load i.e. leaf
Wheel, drive, liquid storage cylinder and output shaft concentrically line, so arrange, the power of drive can be passed to by magnetic flow liquid
Output shaft, and the size of output shaft rotating speed depends on magnetic flow liquid state in which.And the state of magnetic flow liquid is affected by magnetic fields,
Magnetic rheological clutch also includes a solenoid 6, produces electromagnetic field after solenoid 6 energising, and electromagnetic field size is adjustable, magnetorheological
The character of liquid is in a liquid state according to electromagnetic field size, solid-state or between solid-state and liquid, and therefore, the size of energising after current is straight
Connect the rotating speed affecting output shaft, load speed can be realized as required from 0 to maximum continuous control, easy to operate, accurately
Degree height.
When drive 1 rotates, magnetic flow liquid provides shearing force for output shaft 3, when shearing force is more than load inertia moment also
When driving moment is provided, load operation；When shearing force is less than load inertia moment, load stall.
Preferably, magnetic rheological clutch also includes a permanent magnet 13, according to job requirement, in the feelings that solenoid is not powered on
Under condition, output shaft will be with drive synchronous axial system, it is therefore desirable to arrange permanent magnet in the side of liquid storage cylinder, under original state,
Under magnetic field of permanent magnet active force, the magnetic flow liquid in liquid storage cylinder is solid-state, output shaft and drive and load synchronous axial system；Energising
After, different according to size of current, produce the electromagnetic field that varying strength is contrary with magnetic field of permanent magnet, when electromagnetic field incrementally increases, magnetic
Rheology liquid is progressively changed to liquid by solid-state, and drive gradually reduces with load speed, when shearing force is less than load inertia moment
Time, load stall.
Preferably, permanent magnet is arranged on liquid storage cylinder side.Solenoid is arranged on output shaft.In practical operation, can
Directly solenoid is arranged on water pump cover 4, or solenoid and permanent magnet are separately positioned on the both sides of liquid storage cylinder, tool
Body placement location does not limits.
Wherein, output shaft 3 end is fixedly installed a rotating disk, and rotating disk is positioned at liquid storage cylinder 2, rotating disk and output shaft and load
Synchronous axial system, realizes the rotation of different rotating speeds according to the state of magnetic flow liquid.Rotating disk preferably employs driving disk 7, by driving
The setting of disk increase effectively the contact area with magnetic flow liquid, then makes magnetic flow liquid effectively act on driving disk
On, improve the contact stabilization of this part, it is simple to output shaft is driven.Additionally, turning of other versions also can be used
Dish, does not limits.
Liquid storage cylinder 2 is cooperatively formed by upper and lower two cover caps, and upper cover 11 can be bolted fixing with lower cover cap 12, and
Drive disk to be supported in inside liquid storage cylinder by output shaft, liquid storage cylinder offer a liquid injection hole 15, stopple is set at liquid injection hole,
Making liquid storage cylinder is to seal to arrange.
The invention also discloses the electrodeless variable-speed control method of magnetic rheological clutch, use magnetic rheological clutch, the most such as
Under:
Under original state, due to the action of a magnetic field of permanent magnet, magnetic flow liquid presents solid-state properties, drives disk and sealing to exist
In the magnetic flow liquid of solid-state, drive liquid storage cylinder transmission by the rotation of drive, then drive the synchronous axial system of output shaft.
Solenoid energising is processed:
When electric current is 0, in system, the high-intensity magnetic field of permanent magnet makes magnetic flow liquid present solid-state properties, the magnetic flow liquid of solid-state
Can be to drive output shaft to provide shearing force, the moment of drive passes to load, load starts running, load speed and biography
Driving wheel rotating speed is consistent；
When electric current is T, the magnetic field intensity that solenoid produces is big with the magnetic field intensity that permanent magnet produces at output shaft
Little equal, in opposite direction, the conjunction magnetic force that now magnetic flow liquid is subject to is zero, is in a liquid state, the shearing force now provided for output shaft
Cannot overcome moment of inertia and the required driving torque of load, the moment of drive cannot pass to load, now loads stall；
When current value is between 0 to T, solenoid produces magnetic field and the magnetic field of permanent magnet phase interaction of some strength
With, the state that magnetic flow liquid presents, between solid-state and liquid, provides certain shearing force for output shaft, can overcome load
Moment of inertia and be provided that certain driving moment, be supported under setting speed operating, load speed be less than drive rotating speed.
According to the change of actual condition, controlled the state of magnetic flow liquid by ECU (electronic controller), control output speed
Size, wheel speed can be realized from 0 to maximum continuous control, control pump capacity, shorten warm-up period, improve heat management
Efficiency, it is achieved the Intelligent adjustment of engine thermal management system, ensures Fuel Economy to greatest extent.
Magnetic rheological clutch in the present invention is preferably applied on water pump, but is not limited on water pump, and any transmission moment is real
The occasion of existing clutch function can consider application.
The present invention uses magnetic flow liquid principle to prepare the clutch configuration of the relatively conventional technology of clutch simply, controls operation
Convenient, noise is little.
The invention discloses the magnetic rheological clutch of a kind of infinitely variable speeds, according to engine cool needs, pass through permanent magnet
The electromagnetic field that the magnetic field produced and solenoid produce acts on magnetic flow liquid jointly, and magnetic flow liquid solid-liquid state can be transmitted
Certain moment, thus realize the continuous control of load speed.
According to the change of actual condition, controlled the state of magnetic flow liquid by ECU, control the size of output speed, can be real
Existing load speed from 0 to maximum continuous control, the switch of the selection coolant of being adapted to property and the flow of coolant then,
Improve heat management efficiency, it is achieved the Intelligent adjustment of engine thermal management system, ensure Fuel Economy to greatest extent.
And, fast response time of the present invention, millisecond rank；Realizing rotational speed regulation by magnetic flow liquid, structure is the most succinct,
Noise is little.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (8)
1. the magnetic rheological clutch of an infinitely variable speeds regulation, it is characterised in that described magnetic rheological clutch includes a drive,
Described drive, in order to connect power source to transmit rotatory force, described drive is fixedly connected with a liquid storage cylinder, described liquid storage
Intracavity is filled with magnetic flow liquid, and the outfan of drive is provided with an output shaft, and described output the tip of the axis inserts liquid storage cylinder
In and contact with magnetic flow liquid, the front end of described output shaft connects and loads, and described drive, liquid storage cylinder and output shaft are concentrically
Line；
Described magnetic rheological clutch also includes a solenoid, produces electromagnetic field, described electromagnetic field after the energising of described solenoid
Size is adjustable, and the character of magnetic flow liquid is in a liquid state according to electromagnetic field size, solid-state or between solid-state and liquid；
When drive rotates, magnetic flow liquid provides shearing force for output shaft, when shearing force is driven more than load inertia moment offer
During kinetic moment, load operation, and load speed is adjustable；When shearing force is less than load inertia moment, load stall.
2. the magnetic rheological clutch of infinitely variable speeds regulation as claimed in claim 1, it is characterised in that described magnetic rheological clutch
Also including a permanent magnet, under original state, under magnetic field of permanent magnet active force, the magnetic flow liquid in liquid storage cylinder is solid-state, transmission
Wheel, output shaft and load synchronous axial system；After energising, described electromagnetic field is contrary with magnetic field of permanent magnet, when electromagnetic field incrementally increases, and magnetic
Rheology liquid is progressively changed to liquid by solid-state, and output shaft gradually reduces with load speed, when shearing force is less than load inertia moment
Time, load stall.
3. the magnetic rheological clutch of infinitely variable speeds regulation as claimed in claim 2, it is characterised in that described permanent magnet is arranged at
On liquid storage cylinder side.
4. the magnetic rheological clutch of infinitely variable speeds regulation as claimed in claim 3, it is characterised in that described solenoid is arranged
On output shaft or be arranged on liquid storage cylinder opposite side.
5. the magnetic rheological clutch of infinitely variable speeds regulation as claimed in claim 1, it is characterised in that described output shaft end is solid
Surely being provided with a rotating disk, described rotating disk is positioned at liquid storage cylinder, described rotating disk and output shaft and load synchronous axial system, according to magnetorheological
The state of liquid realizes the rotation of different rotating speeds.
6. the magnetic rheological clutch of infinitely variable speeds regulation as claimed in claim 1, it is characterised in that described liquid storage cylinder is by up and down
Two cover caps cooperatively form, and described liquid storage cylinder offers a liquid injection hole, and described liquid storage cylinder is arranged for sealing.
7. the electrodeless variable-speed control method of a magnetic rheological clutch, it is characterised in that use described in any one of claim 2-6
Magnetic rheological clutch, specific as follows:
S1: described magnetic rheological clutch includes a permanent magnet, under original state, under magnetic field of permanent magnet active force, in liquid storage cylinder
Magnetic flow liquid be solid-state, drive, output shaft and load synchronous axial system；
S2: solenoid energising is processed:
When electric current is 0, in system, the high-intensity magnetic field of permanent magnet makes magnetic flow liquid present solid-state properties, and the magnetic flow liquid of solid-state is permissible
For driving output shaft to provide shearing force, the moment of drive passing to load, load starts running, load speed and drive
Rotating speed is consistent；
When electric current is T, the magnitude of field intensity phase that the magnetic field intensity that solenoid produces produces with permanent magnet at output shaft
Deng, in opposite direction, the conjunction magnetic force that now magnetic flow liquid is subject to is zero, is in a liquid state, now for output shaft provide shearing force cannot
Overcoming moment of inertia and the required driving torque of load, the moment of drive cannot pass to load, now loads stall；
When current value is between 0 to T, solenoid produces magnetic field and permanent magnet magnetic field interactions, the magnetic of some strength
The state that rheology liquid presents, between solid-state and liquid, provides certain shearing force for output shaft, can overcome the used of load
Property moment be provided that certain driving moment, be supported under setting speed operating, load speed is less than drive rotating speed.
8. a water pump, including impeller, it is characterised in that also include the magnetic rheological clutch described in any one of claim 1-6,
Described impeller is described load, the Character change of magnetic flow liquid, exports different rotating speeds, then regulates the flow of water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610708144.1A CN106090066B (en) | 2016-08-23 | 2016-08-23 | Magnetic rheological clutch, adjusting method and the water pump that a kind of variable speed is adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610708144.1A CN106090066B (en) | 2016-08-23 | 2016-08-23 | Magnetic rheological clutch, adjusting method and the water pump that a kind of variable speed is adjusted |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106090066A true CN106090066A (en) | 2016-11-09 |
| CN106090066B CN106090066B (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610708144.1A Active CN106090066B (en) | 2016-08-23 | 2016-08-23 | Magnetic rheological clutch, adjusting method and the water pump that a kind of variable speed is adjusted |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0317186A2 (en) * | 1987-11-18 | 1989-05-24 | Jaguar Cars Limited | Engine cooling fan |
| CN101004196A (en) * | 2006-06-05 | 2007-07-25 | 倪平涛 | Controllable coupler of magnetic rheologic coupling wheel pair |
| CN101233338A (en) * | 2005-08-01 | 2008-07-30 | 蒂姆肯公司 | Coolant pump for internal combustion engine |
| CN202251542U (en) * | 2011-09-09 | 2012-05-30 | 湖州比洛德传动技术有限公司 | Magnetorheological fluid fan clutch |
| CN103443488A (en) * | 2011-01-18 | 2013-12-11 | 皮尔伯格泵技术有限责任公司 | Automotive fluidic pump |
-
2016
- 2016-08-23 CN CN201610708144.1A patent/CN106090066B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0317186A2 (en) * | 1987-11-18 | 1989-05-24 | Jaguar Cars Limited | Engine cooling fan |
| CN101233338A (en) * | 2005-08-01 | 2008-07-30 | 蒂姆肯公司 | Coolant pump for internal combustion engine |
| CN101004196A (en) * | 2006-06-05 | 2007-07-25 | 倪平涛 | Controllable coupler of magnetic rheologic coupling wheel pair |
| CN103443488A (en) * | 2011-01-18 | 2013-12-11 | 皮尔伯格泵技术有限责任公司 | Automotive fluidic pump |
| CN202251542U (en) * | 2011-09-09 | 2012-05-30 | 湖州比洛德传动技术有限公司 | Magnetorheological fluid fan clutch |
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| Publication number | Publication date |
|---|---|
| CN106090066B (en) | 2018-06-05 |
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