CN207777509U - A kind of auto magnetorheological damper - Google Patents
A kind of auto magnetorheological damper Download PDFInfo
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- CN207777509U CN207777509U CN201721765192.0U CN201721765192U CN207777509U CN 207777509 U CN207777509 U CN 207777509U CN 201721765192 U CN201721765192 U CN 201721765192U CN 207777509 U CN207777509 U CN 207777509U
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- Prior art keywords
- shock absorber
- absorber cylinder
- heat
- sandwich layer
- heat radiation
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Abstract
The utility model discloses a kind of auto magnetorheological dampers, including shock absorber cylinder and piston rod, the top of shock absorber cylinder is provided with several sealing gland seals, the bottom end of shock absorber cylinder is provided with reservoir, the surface of reservoir is provided with partition board, reinforcing heat radiation sandwich layer is provided on the outside of shock absorber cylinder, the surface for reinforcing heat radiation sandwich layer is provided with several heat-dissipating pipes, and the top of piston rod is provided with several current sources.Heat radiation sandwich layer and heat-dissipating pipe are reinforced by setting, intensity of aluminum alloy is high, plasticity is good, thermal conductivity is good and resistance to corrosion is strong, and it can be obtained by heat treatment, processing and manufacturing is simple, the heat that damper cylinder barrel internal friction generates can be made to distribute in time, avoiding temperature rise leads to sealing element softening transform, the phenomenon that leakage so as to avoid magnetorheological fluid.The utility model is designed reasonably, simple in structure, safe and reliable, easy to use, practicability is high, has good value for applications.
Description
Technical field
The utility model is related to new-energy automobile art of braking devices, more particularly to a kind of auto magnetorheological
Damper.
Background technology
Magneto-rheological vibration damper is to utilize inductive reaction, is with the input information from monitoring car body and wheel movement sensors
Real-time response is made in basis to road conditions and driving environment.Magnetic rheological liquid is a kind of soft grain suspension of magnetism, when liquid is injected
After electromagnetic coil in damper piston, the magnetic field of coil will change its rheological behavior (or generating fluid resistance), to not have
Organic electrically operated valve and mechanical device it is simple in the case of, generation be swift in response, the damping force that controllability is strong.Magneto-rheological vibration damping
Device has the adjustable multiple height of damping force, is easily achieved computer variable damping real-time control, compact-sized and external input energy
The features such as small is measured, the great attention of engineering circles is increasingly subject to.Existing new-energy automobile MR vibration damper damping when in use
Device cylinder internal friction will produce heat, and heat easily makes sealing element softening transform, and to reduce sealed pressure, the final liquid that occurs is let out
Leakage, to influence damping effect, existing technology is difficult to solve problem above.
Utility model content
The technical problems to be solved in the utility model is to overcome existing new-energy automobile MR vibration damper when in use
Shock absorber cylinder internal friction will produce heat, and heat easily makes sealing element softening transform, and to reduce sealed pressure, liquid finally occurs
Body leaks, and the problem of to influence damping effect, provides a kind of auto magnetorheological damper.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution：
The utility model provides a kind of auto magnetorheological damper, including shock absorber cylinder and piston rod, the damper
The top of cylinder is provided with several sealing gland seals, and the bottom end of the shock absorber cylinder is provided with reservoir, and the surface of the reservoir is set
It is equipped with partition board, reinforcing heat radiation sandwich layer is provided on the outside of the shock absorber cylinder, if the surface for reinforcing heat radiation sandwich layer is provided with
The top of dry heat-dissipating pipe, the piston rod is provided with several current sources, and cored, the iron core is arranged in the bottom end of the piston rod
Be internally provided with coil, the side of the iron core is provided with piston, and the shock absorber cylinder is internally provided with magnetorheological fluid.
As a kind of optimal technical scheme of the utility model, the magnetorheological fluid is by high magnetic permeability, low hysteresis micro-
Small soft magnetic particles and non-magnetizer liquid mix.
As a kind of optimal technical scheme of the utility model, the reinforcing heat radiation sandwich layer is made of aluminium alloy, described to add
Gu heat radiation sandwich layer is connect with the shock absorber cylinder by fastener.
As a kind of optimal technical scheme of the utility model, the heat-dissipating pipe is made of copper, the heat-dissipating pipe with it is described
Heat radiation sandwich layer is reinforced to connect by smelting.
As a kind of optimal technical scheme of the utility model, the sealing gland seal is fixedly connected with the shock absorber cylinder.
As a kind of optimal technical scheme of the utility model, the quantity of the current source is two.
The advantageous effect that the utility model is reached is：Heat radiation sandwich layer and heat-dissipating pipe, intensity of aluminum alloy are reinforced by setting
Height, plasticity is good, thermal conductivity is good and resistance to corrosion is strong, and can be obtained by heat treatment, and processing and manufacturing is simple, can make
The heat that damper cylinder barrel internal friction generates distributes in time, and avoiding temperature rise leads to sealing element softening transform, from
And avoid the phenomenon that magnetorheological fluid leaks.The utility model is designed reasonably, it is simple in structure, safe and reliable, easy to use,
Practicability is high, has good value for applications.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the overall structure diagram of the utility model shock absorber cylinder；
Fig. 2 is the overall structure diagram that the utility model reinforces heat radiation sandwich layer；
In figure：1, shock absorber cylinder；2, reservoir；3, current source；4, sealing gland seal；5, magnetorheological fluid；6, coil；7, every
Plate；8, piston rod；9, iron core；10, heat radiation sandwich layer is reinforced；11, piston；12, heat-dissipating pipe.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1
As shown in Figs. 1-2, the utility model provides a kind of auto magnetorheological damper, including shock absorber cylinder 1 and piston
The top of bar 8, shock absorber cylinder 1 is provided with several sealing gland seals 4, and the bottom end of shock absorber cylinder 1 is provided with reservoir 2, reservoir 2
Surface is provided with partition board 7, and the outside of shock absorber cylinder 1, which is provided with, reinforces heat radiation sandwich layer 10, reinforces the surface setting of heat radiation sandwich layer 10
There are several heat-dissipating pipes 12, the top of piston rod 8 to be provided with several current sources 3, the bottom end setting cored 9 of piston rod 8, iron core 9
Be internally provided with coil 6, the side of iron core 9 is provided with piston 11, and shock absorber cylinder 1 is internally provided with magnetorheological fluid 5.
Magnetorheological fluid 5 is mixed by high magnetic permeability, low hysteresis small soft magnetic particles and non-magnetizer liquid, just
Rheological behavior is changed by magnetic field in magnetorheological fluid 5.
It reinforces heat radiation sandwich layer 10 to be made of aluminium alloy, reinforces heat radiation sandwich layer 10 and connect by fastener with shock absorber cylinder 1, intensity
Height, thermal conductivity is good, is easily installed and safeguards.
Heat-dissipating pipe 12 is made of copper, and heat-dissipating pipe 12 is connected with heat radiation sandwich layer 10 is reinforced by smelting, excellent in heat dissipation effect.
Sealing gland seal 4 is fixedly connected with shock absorber cylinder 1, is convenient for the movement of piston rod 8.
The quantity of current source 3 is two, convenient for changing the magnetic field residing for magnetorheological fluid 5.
When specific work, formed in use, the magnetic of micron-scale is intensified particle dispersion first and is dissolved in insulation carrier fluid
Specific non-colloidality suspension liquid produce magnetorheological fluid 5, then in turn inside diameter or when jolting, microprocessor will be passed to
Corresponding electric current is to current source 3, and for magnetorheological fluid 5 when by high-intensity magnetic field, suspended particulate is by induced polarization, phase interaction to each other
It with forming particle chain, and interacts in extremely short time, the viscous plastomer with certain shear yield stress is become from fluid, with
The reinforcement in magnetic field, shear yield stress can also respond increase, then generate bigger damping, while piston 11 and damping
The heat that the friction of device cylinder 1 generates is passed to by shock absorber cylinder 1 reinforces heat radiation sandwich layer 10, reinforces heat radiation sandwich layer 10 and passes through aluminium alloy
Good thermal conductivity transfers heat to heat-dissipating pipe 12, and heat-dissipating pipe is made of copper, and can quickly distribute heat, to
Ensure that magnetorheological fluid 5 and sealing element are always maintained at optimum temperature.
The advantageous effect that the utility model is reached is：Heat radiation sandwich layer and heat-dissipating pipe, intensity of aluminum alloy are reinforced by setting
Height, plasticity is good, thermal conductivity is good and resistance to corrosion is strong, and can be obtained by heat treatment, and processing and manufacturing is simple, can make
The heat that damper cylinder barrel internal friction generates distributes in time, and avoiding temperature rise leads to sealing element softening transform, from
And avoid the phenomenon that magnetorheological fluid leaks.The utility model is designed reasonably, it is simple in structure, safe and reliable, easy to use,
Practicability is high, has good value for applications.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of auto magnetorheological damper, including shock absorber cylinder (1) and piston rod (8), which is characterized in that the shock absorber cylinder
(1) top is provided with several sealing gland seals (4), and the bottom end of the shock absorber cylinder (1) is provided with reservoir (2), the liquid storage
The surface of slot (2) is provided with partition board (7), is provided on the outside of the shock absorber cylinder (1) and reinforces heat radiation sandwich layer (10), the reinforcing
The surface of heat radiation sandwich layer (10) is provided with several heat-dissipating pipes (12), and the top of the piston rod (8) is provided with several current sources
(3), cored (9) are arranged in the bottom end of the piston rod (8), and the iron core (9) is internally provided with coil (6), the iron core
(9) side is provided with piston (11), and the shock absorber cylinder (1) is internally provided with magnetorheological fluid (5).
2. a kind of auto magnetorheological damper according to claim 1, which is characterized in that the magnetorheological fluid (5) is by height
Magnetic conductivity, low hysteresis small soft magnetic particles and non-magnetizer liquid mix.
3. a kind of auto magnetorheological damper according to claim 1, which is characterized in that the reinforcing heat radiation sandwich layer (10)
It is made of aluminium alloy, the reinforcing heat radiation sandwich layer (10) is connect with the shock absorber cylinder (1) by fastener.
4. a kind of auto magnetorheological damper according to claim 1, which is characterized in that the heat-dissipating pipe (12) is by copper
At the heat-dissipating pipe (12) is connected with the reinforcing heat radiation sandwich layer (10) by smelting.
5. a kind of auto magnetorheological damper according to claim 1, which is characterized in that the sealing gland seal (4) and institute
Shock absorber cylinder (1) is stated to be fixedly connected.
6. a kind of auto magnetorheological damper according to claim 1, which is characterized in that the quantity of the current source (3)
It is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721765192.0U CN207777509U (en) | 2017-12-18 | 2017-12-18 | A kind of auto magnetorheological damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721765192.0U CN207777509U (en) | 2017-12-18 | 2017-12-18 | A kind of auto magnetorheological damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207777509U true CN207777509U (en) | 2018-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721765192.0U Expired - Fee Related CN207777509U (en) | 2017-12-18 | 2017-12-18 | A kind of auto magnetorheological damper |
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| Country | Link |
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| CN (1) | CN207777509U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488718A (en) * | 2018-11-18 | 2019-03-19 | 刘山平 | A kind of new-energy automobile damping chassis |
| CN110159689A (en) * | 2019-04-10 | 2019-08-23 | 重庆大学 | A kind of granule damper of field controllable |
| CN110219927A (en) * | 2019-07-15 | 2019-09-10 | 连云港师范高等专科学校 | A kind of non axial component anti-drag device in antidetonation device bottom based on magnetorheological fluid |
| CN112552987A (en) * | 2021-01-19 | 2021-03-26 | 江西赛诺得新材料有限公司 | Preparation method of ultra-stable silicone oil-based magnetorheological fluid |
| CN113639001A (en) * | 2021-08-12 | 2021-11-12 | 万桂莲 | Magneto-rheological damper for novel energy source motor vehicle |
| CN114776747B (en) * | 2022-03-15 | 2023-09-22 | 东北大学 | Composite hyperbolic corrugated sandwich structure for inhibiting vibration of lubricating oil tank of aero-engine and application thereof |
-
2017
- 2017-12-18 CN CN201721765192.0U patent/CN207777509U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488718A (en) * | 2018-11-18 | 2019-03-19 | 刘山平 | A kind of new-energy automobile damping chassis |
| CN109488718B (en) * | 2018-11-18 | 2019-10-01 | 徐雪娇 | A kind of new-energy automobile damping chassis |
| CN110159689A (en) * | 2019-04-10 | 2019-08-23 | 重庆大学 | A kind of granule damper of field controllable |
| CN110159689B (en) * | 2019-04-10 | 2021-04-27 | 重庆大学 | Magnetic field controllable particle damper |
| CN110219927A (en) * | 2019-07-15 | 2019-09-10 | 连云港师范高等专科学校 | A kind of non axial component anti-drag device in antidetonation device bottom based on magnetorheological fluid |
| CN110219927B (en) * | 2019-07-15 | 2024-04-12 | 连云港师范高等专科学校 | Shock absorber bottom non-axial component force anti-drag device based on magnetorheological fluid |
| CN112552987A (en) * | 2021-01-19 | 2021-03-26 | 江西赛诺得新材料有限公司 | Preparation method of ultra-stable silicone oil-based magnetorheological fluid |
| CN113639001A (en) * | 2021-08-12 | 2021-11-12 | 万桂莲 | Magneto-rheological damper for novel energy source motor vehicle |
| CN114776747B (en) * | 2022-03-15 | 2023-09-22 | 东北大学 | Composite hyperbolic corrugated sandwich structure for inhibiting vibration of lubricating oil tank of aero-engine and application thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 Termination date: 20181218 |