CN105570376B - Electrorheological fluid vibration damper - Google Patents
Electrorheological fluid vibration damper Download PDFInfo
- Publication number
- CN105570376B CN105570376B CN201511032800.2A CN201511032800A CN105570376B CN 105570376 B CN105570376 B CN 105570376B CN 201511032800 A CN201511032800 A CN 201511032800A CN 105570376 B CN105570376 B CN 105570376B
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- Prior art keywords
- cylinder barrel
- piston
- water pipe
- piston rod
- vibration damper
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/26—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions
- F16F13/30—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions comprising means for varying fluid viscosity, e.g. of magnetic or electrorheological fluids
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/26—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions
- F16F13/262—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions changing geometry of passages between working and equilibration chambers, e.g. cross-sectional area or length
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of Electrorheological fluid vibration damper, including temperature sensor, cylinder barrel, water pipe, piston, piston rod, round rubber pad, square rubber pad, India-rubber spring and electric wire tube, the cylinder barrel lower end is provided with round platform, round platform is provided with mounting hole, die cavity is provided with cylinder barrel, it is provided with die cavity on piston, piston and piston rod is installed；Cylinder cap is installed on the cylinder barrel, round rubber pad is installed between cylinder barrel and cylinder cap, piston rod passes through the square through hole on cylinder cap, square rubber pad is installed between square through hole and piston rod, cylinder cap upper end is provided with India-rubber spring, piston rod upper end is provided with the downside of installing plate, installing plate and is provided with acceleration transducer；The cylinder barrel outer wall is provided with water pipe and electric wire tube；ER fluid is full of in the cylinder barrel, cylinder barrel bottom is also equipped with temperature sensor；Temperature-control circuit and damping control circuit are also equipped with outside the cylinder barrel；The present invention is simple in construction, and automaticity is high, and effect is good, can carry out wide popularization and application.
Description
Technical field
The present invention relates to the technical field of the technical field of shock absorber, particularly Electrorheological fluid vibration damper.
Background technology
ER fluid (ER) is that the Solid micro with high-k forms suspension in insulating base oil, and it flows
Change nature can be changed by extra electric field, show as electric rheological effect.For aqueous ER fluid, its shear stress with
Temperature rises and increased, when more than some critical-temperature, then rises with temperature and drop rapidly, a peak value during which occurs,
For this phenomenon it is believed that：Incipient stage, temperature is mainly shown as the activity for improving solution molecule, to the effect of ER fluid
Facilitation should be served；After temperature has been arrived to a certain degree, this facilitation becomes no longer to be topmost, takes and generation
Be that temperature rises and causes the leakage phenomenon of system, the increase of leakage current serves side effect to electric rheological effect, because
This shows as the dramatic decrease of shear stress.It will certainly so cause the damper that makes with ER fluid can not work well
Make, i.e., when temperature is low, work has some setbacks, when temperature is too high, does not have effectiveness in vibration suppression.
The content of the invention
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of Electrorheological fluid vibration damper, can make electricity
Rheology fluid shock absorber works at a suitable temperature, while automatically adjusting the size of runner, keeps good working characteristics, will not
Cause leakage phenomenon.
To achieve the above object, the present invention proposes a kind of Electrorheological fluid vibration damper, including temperature sensor, cylinder barrel, water
Pipe, piston, piston rod, cylinder cap, round rubber pad, square rubber pad, India-rubber spring and electric wire tube, the cylinder barrel lower end is provided with circle
Platform, round platform, which is provided with mounting hole, cylinder barrel, is provided with die cavity, is provided with die cavity on piston, piston and is provided with piston rod；The cylinder
Cylinder cap is installed on cylinder, round rubber pad is installed, piston rod is square by the square through hole on cylinder cap between cylinder barrel and cylinder cap
Square rubber pad is installed, cylinder cap upper end is provided with India-rubber spring, and piston rod upper end is provided with installing plate between through hole and piston rod,
Installing plate is provided with the downside of upper installing hole, installing plate and is provided with acceleration transducer；The cylinder barrel outer wall is provided with water pipe and electricity
Heated filament pipe；ER fluid is full of in the cylinder barrel, cylinder barrel bottom is also equipped with temperature sensor；It is also equipped with outside the cylinder barrel
Temperature-control circuit and damping control circuit.
It is used as the improvement of Electrorheological fluid vibration damper of the present invention：The piston rod is that gas is provided with square pole, piston rod
Road.
It is used as the further improvement of Electrorheological fluid vibration damper of the present invention：Die cavity in cylinder barrel is divided into by the piston
It is provided with die cavity and lower impressions, the piston in runner, piston and is also equipped with movable block, movable block is located at the inner side of runner, is moved
Cavity is left between motion block, cavity is connected with gas circuit；Positive electrode is installed on the upside of piston, piston underside is provided with negative electrode.
It is used as the further improvement of Electrorheological fluid vibration damper of the present invention：The water pipe and electric wire tube are into spiral
Shape, water pipe is staggered installation of with electric wire tube, and heating wire is provided with electric wire tube, and described water pipe one end is water inlet, and one end is
Delivery port.
It is used as the further improvement of Electrorheological fluid vibration damper of the present invention：Ring groove, circle are provided with the inside of the cylinder cap
Shape rubber blanket is arranged in ring groove.
It is used as the further improvement of Electrorheological fluid vibration damper of the present invention：The temperature-control circuit includes TEMP
Device, temperature control circuit, power supply, water tank, water pipe and water pump, the temperature control circuit are connected with temperature sensor, power supply and water pump respectively
Connect, water pump is connected with water tank and water pipe, flow path is：Water tank is to water pump, and water pump returns to water tank to water pipe, then by water pipe.
It is used as the further improvement of Electrorheological fluid vibration damper of the present invention：The damping control circuit is passed including acceleration
Sensor, antihunt circuit, power supply, negative electrode, positive electrode and air pump, the antihunt circuit respectively with acceleration transducer, power supply, negative
Electrode, positive electrode are connected with air pump, and the air pump is connected with gas circuit.
Beneficial effects of the present invention：The present invention is by by water pipe and the equal curl of electric wire tube, water pipe and electric wire tube
It is staggered installation of, heating wire is installed in electric wire tube, is conducive to Homogeneouslly-radiating or uniform heating；It is recessed provided with annulus on the inside of cylinder cap
Groove, round rubber pad is arranged in ring groove, square rubber pad is provided between square through hole and piston rod, it is ensured that in cylinder barrel
The good sealing of portion's ER fluid；Temperature-control circuit and damping control circuit are also equipped with outside the cylinder barrel, realization subtracts
Shake automatically controlling for device；Movable block is also equipped with piston, movable block, which is located between the inner side of runner, movable block, leaves cavity,
Cavity is connected with gas circuit, can slide movable block to adjust runner size, so as to change damping size；Structure letter of the present invention
Single, automaticity is high, and effect is good, can carry out wide popularization and application.
Brief description of the drawings
The embodiment to the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is a kind of top view of Electrorheological fluid vibration damper of the invention；
Fig. 2 is a kind of top plan view of Electrorheological fluid vibration damper of the invention；
Fig. 3 is a kind of schematic perspective view of Electrorheological fluid vibration damper of the invention；
Fig. 4 is the water pipe and electric wire tube's schematic diagram of a kind of Electrorheological fluid vibration damper of the invention；
Fig. 5 is a kind of cylinder cap profile of Electrorheological fluid vibration damper of the invention；
Fig. 6 is a kind of temperature-control circuit schematic diagram of Electrorheological fluid vibration damper of the invention；
Fig. 7 is a kind of damping control circuit diagram of Electrorheological fluid vibration damper of the invention.
Embodiment
Embodiment 1, Fig. 1~Fig. 7 give a kind of Electrorheological fluid vibration damper, including temperature sensor 1, cylinder barrel 2, water pipe 4,
Piston 9, piston rod 10, cylinder cap 12, round rubber pad 13, square rubber pad 14, India-rubber spring 15 and electric wire tube 19, the cylinder barrel
2 lower ends are provided with round platform, and round platform, which is provided with mounting hole 3, cylinder barrel 2, is provided with die cavity, is provided with piston 9, piston 9 and installs in die cavity
There is piston rod 10；Cylinder cap 12 is installed on the cylinder barrel 2, round rubber pad 13, piston rod are installed between cylinder barrel 2 and cylinder cap 12
10, by the square through hole 122 on cylinder cap 12, are provided with square rubber pad 14, cylinder cap between square through hole 122 and piston rod 10
12 upper ends are provided with India-rubber spring 15, and the upper end of piston rod 10 is provided with installing plate 16, and installing plate 16 is provided with upper installing hole 17, installs
The downside of plate 16 is provided with acceleration transducer 21；The outer wall of cylinder barrel 2 is provided with water pipe 4 and electric wire tube 19；In the cylinder barrel 2
Full of ER fluid 18, the bottom of cylinder barrel 2 is also equipped with temperature sensor 1；Temperature-control circuit is also equipped with outside the cylinder barrel 2
22 and damping control circuit 27；Piston rod 10 is that gas circuit 101 is provided with square pole, piston rod 10；Piston 9 is by the type in cylinder barrel 2
Chamber, which is divided into upper impression 11 and lower impressions 6, the piston 9, is provided with runner 20, and movable block 91, movable block are also equipped with piston 9
91 leave cavity 92 between the inner side of runner 20, movable block 91, and cavity 92 is connected with gas circuit 101；Install the upside of piston 9
There is positive electrode 8, the downside of piston 9 is provided with negative electrode 7；Water pipe 4 and the equal curl of electric wire tube 19, water pipe 4 and electric wire tube
19 are staggered installation of, and heating wire 5 is provided with electric wire tube 19, and described one end of water pipe 4 is water inlet, and one end is delivery port；Cylinder cap
12 inner sides are provided with ring groove 121, and round rubber pad 13 is arranged in ring groove 121；Temperature-control circuit 22 includes temperature
Sensor 1, temperature control circuit 23, power supply 24, water tank 25, water pipe 4 and water pump 26, the temperature control circuit 23 respectively with temperature sensor
1st, power supply 24 is connected with water pump 26, and water pump 26 is connected with water tank 25 and water pipe 4, and flow path is：Water tank 25 arrives water pump 26,
Water pump 26 arrives water pipe 4, then returns to water tank 25 by water pipe 4；Damping control circuit 27 includes acceleration transducer 21, antihunt circuit
28th, power supply 24, negative electrode 7, positive electrode 8 and air pump 29, the antihunt circuit 28 respectively with acceleration transducer 21, power supply 24,
Negative electrode 7, positive electrode 8 are connected with air pump 29, and the air pump 29 is connected with gas circuit 101.
The course of work of the present invention：
A kind of Electrorheological fluid vibration damper of the present invention in the course of the work, switches on power 24 first, and temperature sensor 1 is to electric current
The temperature for becoming liquid 18 is detected that transfer data to temperature control circuit 23, temperature control circuit 23 judges temperature conditions, if temperature mistake
Low, heating wire 5 is connected, and ER fluid 18 is heated, if temperature is higher than required value, water pump 26 works, and current pass through water
Pipe 4 cools to ER fluid 18；When having vibration, vibration is detected by the acceleration transducer 21 of installing plate lower end, and will
Data are transferred to antihunt circuit 28, and antihunt circuit 28 changes the electric field between negative electrode 7 and positive electrode 8 according to Vibration Condition, from
And change the damping of ER fluid 18, in the case of change damping is unconspicuous to vibration damping, air pump 29 is controlled by antihunt circuit 28,
Movable block 92 is allowed dorsad to move so that runner 20 diminishes, so as to reach the purpose of fine vibration damping.
The present invention is by the way that by water pipe 4 and the equal curl of electric wire tube 19, water pipe 4 is staggered installation of with electric wire tube 19, electricity
Heating wire 5 is installed in heated filament pipe 19, is conducive to Homogeneouslly-radiating or uniform heating；The inner side of cylinder cap 12 is provided with ring groove 121,
Round rubber pad 13 is arranged in ring groove 121, and square rubber pad 14 is provided between square through hole 122 and piston rod 10,
Ensure that the internal current of cylinder barrel 2 becomes the good sealing of liquid 18；Temperature-control circuit 22 and damping are also equipped with outside the cylinder barrel 2
Circuit 27 is controlled, automatically controlling for damper is realized；Movable block 91 is also equipped with piston 9, movable block 91 is located at the interior of runner
Cavity 92 is left between side, movable block 91, cavity 92 is connected with gas circuit 101, movable block 91 can be slided to adjust runner 20
Size, so as to change damping size；The present invention is simple in construction, and automaticity is high, and effect is good, can carry out being widely popularized and answer
With.
Finally, in addition it is also necessary to it is noted that listed above is only a specific embodiment of the invention.Obviously, it is of the invention
Above example is not limited to, there can also be many deformations.One of ordinary skill in the art can be straight from present disclosure
Export or all deformations associated are connect, protection scope of the present invention is considered as.
Claims (6)
1. a kind of Electrorheological fluid vibration damper, it is characterised in that：Including temperature sensor (1), cylinder barrel (2), water pipe (4), piston
(9), piston rod (10), cylinder cap (12), round rubber pad (13), square rubber pad (14), India-rubber spring (15) and electric wire tube
(19), cylinder barrel (2) lower end is provided with round platform, and round platform, which is provided with mounting hole (3), cylinder barrel (2), is provided with die cavity, is installed in die cavity
Have and piston rod (10) is installed on piston (9), piston (9)；Cylinder cap (12), cylinder barrel (2) and cylinder cap are installed on the cylinder barrel (2)
(12) round rubber pad (13) is installed, piston rod (10) passes through the square through hole (122) on cylinder cap (12), square through hole between
(122) square rubber pad (14) is installed between piston rod (10), cylinder cap (12) upper end is provided with India-rubber spring (15), piston rod
(10) upper end is provided with installing plate (16), and installing plate (16), which is provided with to be provided with the downside of upper installing hole (17), installing plate (16), to be added
Velocity sensor (21)；Cylinder barrel (2) outer wall is provided with water pipe (4) and electric wire tube (19)；It is fully charged in the cylinder barrel (2)
Rheology liquid (18), cylinder barrel (2) bottom is also equipped with temperature sensor (1)；Temperature control electricity is also equipped with outside the cylinder barrel (2)
Road (22) and damping control circuit (27)；
The piston rod (10) is that gas circuit (101) is provided with square pole, piston rod (10).
2. a kind of Electrorheological fluid vibration damper as claimed in claim 1, it is characterised in that：The piston (9) is by cylinder barrel (2)
Die cavity, which is divided into upper impression (11) and lower impressions (6), the piston (9), is provided with runner (20), and movement is also equipped with piston (9)
Block (91), movable block (91), which is located between the inner side of runner (20), movable block (91), leaves cavity (92), cavity (92) and gas circuit
(101) it is connected；It is provided with the upside of piston (9) on the downside of positive electrode (8), piston (9) and negative electrode (7) is installed.
3. a kind of Electrorheological fluid vibration damper as claimed in claim 1, it is characterised in that：The water pipe (4) and electric wire tube
(19) equal curl, water pipe (4) is staggered installation of with electric wire tube (19), and heating wire (5), institute are provided with electric wire tube (19)
Water pipe (4) one end is stated for water inlet, one end is delivery port.
4. a kind of Electrorheological fluid vibration damper as claimed in claim 1, it is characterised in that：Annulus is provided with the inside of the cylinder cap (12)
Groove (121), round rubber pad (13) is arranged in ring groove (121).
5. a kind of Electrorheological fluid vibration damper as claimed in claim 1, it is characterised in that：The temperature-control circuit (22) includes
Temperature sensor (1), temperature control circuit (23), power supply (24), water tank (25), water pipe (4) and water pump (26), the temperature control circuit
(23) it is connected respectively with temperature sensor (1), power supply (24) and water pump (26), water pump (26) and water tank (25) and water pipe (4)
It is connected, flow path is：Water tank (25) arrives water pump (26), and water pump (26) arrives water pipe (4), then returns to water tank by water pipe (4)
(25)。
6. a kind of Electrorheological fluid vibration damper as claimed in claim 1, it is characterised in that：The damping control circuit (27) includes
Acceleration transducer (21), antihunt circuit (28), power supply (24), negative electrode (7), positive electrode (8) and air pump (29), the damping
Circuit (28) is connected with acceleration transducer (21), power supply (24), negative electrode (7), positive electrode (8) and air pump (29) respectively,
The air pump (29) is connected with gas circuit (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511032800.2A CN105570376B (en) | 2015-12-31 | 2015-12-31 | Electrorheological fluid vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511032800.2A CN105570376B (en) | 2015-12-31 | 2015-12-31 | Electrorheological fluid vibration damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105570376A CN105570376A (en) | 2016-05-11 |
| CN105570376B true CN105570376B (en) | 2017-10-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511032800.2A Active CN105570376B (en) | 2015-12-31 | 2015-12-31 | Electrorheological fluid vibration damper |
Country Status (1)
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| CN (1) | CN105570376B (en) |
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| CN106555834B (en) * | 2017-01-19 | 2017-12-01 | 重庆益新阳工贸有限公司 | A kind of magneto-rheological vibration damper for electric car |
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| CN113236702A (en) * | 2021-05-11 | 2021-08-10 | 中国第一汽车股份有限公司 | Low-temperature compensation method and assembly of magnetorheological damper, vehicle and storage medium |
| CN113309808B (en) * | 2021-05-21 | 2022-11-25 | 西格迈股份有限公司 | Temperature self-adaptation automobile shock absorber ware |
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|---|---|
| CN105570376A (en) | 2016-05-11 |
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