CN107289060A - Electric car - Google Patents
Electric car Download PDFInfo
- Publication number
- CN107289060A CN107289060A CN201710709045.XA CN201710709045A CN107289060A CN 107289060 A CN107289060 A CN 107289060A CN 201710709045 A CN201710709045 A CN 201710709045A CN 107289060 A CN107289060 A CN 107289060A
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- piston
- shock absorber
- network structure
- flow liquid
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/535—Magnetorheological [MR] fluid dampers
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/42—Cooling arrangements
Abstract
It is used for electric car the invention discloses one kind.It includes：Cylinder body, cover plate, piston, piston rod, the cylinder body are made up of the first cylinder body, magnet exciting coil, heat conduction with phase change net, the second cylinder body.By principle of the present invention using phase-change material heat conduction, accumulation of heat, can in real time, the operating temperature that efficiently controls magnetic flow liquid in shock absorber be maintained in suitable scope so that the damping capacity of shock absorber keeps preferable states.
Description
The application is the damping that the applying date is on 01 19th, the 2017 entitled electric cars of Application No. 2017100396411
The divisional application of device.
Technical field
The invention belongs to automotive suspension technical field, more particularly to a kind of shock absorber for electric car.
Background technology
Due to the characteristic of motor, the acceleration of electric car is significantly better than regular fuel car.However, excessive starting
Acceleration can also to jump (being commonly called as " coming back ") phenomenon on automotive front end seriously, therefore electric car needs subtract more more preferable than fuel vehicle
Shake system.Magneto-rheological vibration damper is so that its is simple in construction, regulation quick, good damping result the characteristics of, electricity is applied to more and more
On motor-car.Magnetic flow liquid therein is a kind of dispersion material being made up of soft magnetism suspended phase, organic suspension medium and additive
Material, outside power up magnetic force in the presence of, its viscosity can continuously, rapidly, reversibly adjust.But piston is produced when moving back and forth
Higher temperature, and the heat that produces during magnet coil energization, can cause the viscosity of magnetic flow liquid to occur desaturation, and severe cold
The viscosity for also resulting in magnetic flow liquid using bad border (such as the winter of northern China) is thickened.Either desaturation or thick
Change, can all influence the damping capacity of magnetic flow liquid, make whole vehicle suspension damping property fall flat it is (partially soft or inclined
Firmly), so as to deteriorate driving experience.
My another application《A kind of magneto-rheological vibration damper for electric car》, although can accurately temperature control, but by
Complicated in which employs thermal cycle component, heat conducting pipe, temperature sensor, controller etc., existing, manufacturing cost is high to be lacked
Point.And in practice, only need to keep the operating temperature of magnetic flow liquid to be in a suitable interval sometimes, it is not necessarily intended to
The operating temperature of magnetic flow liquid is asked to be constantly in optimum temperature.Therefore, exist《A kind of magneto-rheological vibration damper for electric car》's
On the basis of, it is necessary to propose that a kind of simple in construction, manufacturing cost is low but also has the damper structure of certain temperature control heat sinking function.
The content of the invention
To solve the above problems, the invention provides a kind of electric vehicle shock absorber, the shock absorber includes：Cylinder body, it is
One end closing, the cylindrical shape of another end opening；Cover plate, it seals up the openend of the cylinder body；Piston, located at the chamber of cylinder body
It is interior；Piston rod, its one end is connected to piston, and the other end is through the cover plate and extends；Magnetic flow liquid, is filled in cylinder body
Intracavitary；
The external diameter of the piston is slightly less than the internal diameter of cylinder body, to form the interchannel circulated with having damping for magnetic flow liquid
Gap；
Characterized in that, the cylinder body includes：
First cylinder body, it is located at innermost layer, is made up of the material of high permeability high thermal conductivity；
Magnet exciting coil, its outer surface uniformly around the close blind end located at first cylinder body；
Heat conduction with phase change net, network structure is made by phase-change material in it under low-temperature condition, and circumferentially parcel is covered in described
On the outer surface of first cylinder body；The width of the network structure corresponds to the circumference in the section of first cylinder body, described
The length of network structure is less than the axial length of first cylinder body；And the network structure is divided into the compact district and both sides at middle part
Rarefaction, the compact district correspond to the central section of piston stroke, and the rarefaction correspond to the middle region of piston stroke
Section beyond section, the mesh of the compact district is less than the mesh of the rarefaction.
Second cylinder body, it wraps up first cylinder body, is made up of resin material hot-working.
By shock absorber of the present invention, the work temperature of magnetic flow liquid in shock absorber can in real time, be effectively corrected
Degree and viscosity, keep the damping capacity of shock absorber, are optimized the damping property of vehicle, improve driving experience exactly.
Brief description of the drawings
Fig. 1 shows the composition structural representation according to the present invention；
Fig. 2 shows the structural representation of the cylinder body according to the present invention；
Fig. 3 shows the schematic diagram of one embodiment of the heat conduction with phase change net according to the present invention；
Fig. 4 shows the schematic diagram of another embodiment of the heat conduction with phase change net according to the present invention.
Embodiment
Below in conjunction with specific embodiment, the work(that the structure of the magneto-rheological vibration damper of the present invention is described in detail and is realized
Energy.
As shown in figure 1, the magneto-rheological vibration damper for electric car includes：Cylinder body 1, it is one end closing, another end opening
Cylindrical shape；Cover plate 2, it seals up the openend of the cylinder body；Piston 3, located at the intracavitary of cylinder body；Piston rod 4, its one end
Piston 3 is connected to, the other end is through the cover plate 2 and extends；The inner chamber of cylinder body 1 is divided into cavity 5 and cavity 7 by piston 3,
Magnetic flow liquid is filled in the cavity of cylinder body 1, and the external diameter of piston 3 is slightly less than the internal diameter of cylinder body 1, forms path clearance 6, passage
Gap 6 causes cavity 5 and the UNICOM of cavity 7.Because the aperture of path clearance 6 is smaller, magnetic flow liquid is flowing through the path clearance 6
When, path clearance 6 can produce damping.
As shown in Figure 2,3, shown cylinder body 1 includes the first cylinder body 12, and it is located at innermost layer, by high permeability high thermal conductivity
Material, such as ferrotungsten are made；Second cylinder body 13, it wraps up first cylinder body 12, is made up of resin material hot-working；
Magnet exciting coil 14, its outer surface uniformly around the close blind end located at first cylinder body 12；This area
Technical staff is, it is apparent that magnet exciting coil 14 will draw one section to be connected on external power source (not shown), and fairlead can be
Reserve and in the hot procedure of two cylinder bodies.
Heat conduction with phase change net 15, network structure is made by phase-change material in it under low-temperature condition, and circumferentially parcel is covered in institute
On the outer surface for stating the first cylinder body 12；The width D of the network structure is equal to the circumference in the section of first cylinder body 12,
The length L of the network structure is less than the axial length of first cylinder body；And the network structure is divided into the compact district at middle part
With the rarefaction on both sides, the length l of the compact district correspond to the central section L2 of piston stroke, and the rarefaction correspond to live
The section beyond the central section of stroke is filled in, the mesh of the compact district is less than the mesh of the rarefaction, because piston
The stage casing of stroke is the concentration zones that piston acting produces heat, and such network structure can ensure the premise of heat exchange effect
Under, the consumption of phase-change material is reduced as far as, cost is reduced.
Another embodiment of heat conduction with phase change net as shown in Figure 4, in this embodiment, the heat conduction with phase change net, which is divided into, to be leaned on
The condensed section that nearly magnet exciting coil is set, and sparse section away from magnet exciting coil, this is occurred to be powered to magnet exciting coil
Heat carries out heat exchange, and on the premise of heat exchange effect is ensured, is reduced as far as the consumption of phase-change material, reduces cost.
Preferably, the material of the heat conduction with phase change net is solid-solid phase transition material, e.g. for cellulose acetate (CDA)
For base material, the phase-change material that poly glycol monomethyl ether (MPEG) is operation material.By suitably matching, heat conduction with phase change can be made
The starting phase transition temperature of net is between 22 DEG C to 26 DEG C.
When shock absorber works, heat conduction with phase change net 15 can absorb in time done work by piston, magnet exciting coil heating power institute band
The heat for having deterioration to influence on magnetic flow liquid come, effectively corrects the operating temperature and viscosity of magnetic flow liquid in shock absorber, compared with
The damping capacity of shock absorber is kept exactly, improves driving experience.
The present invention does not need extra heat circulating system, and temperature-detecting device, controller etc., can be dramatically
Simplify equipment, manufacture difficulty is reduced, while can also reach the basic demand of the constant temperature of shock absorber.
One skilled in the art would recognize that without departing substantially from as the spirit and scope of the invention described in general manner,
Various changes and/or modification can be carried out to the invention shown in each specific embodiment.Therefore, in terms of all
For, embodiment here is considered as illustrative and and non-limiting.Equally, the present invention includes any feature
Combination, the combination of any feature especially in Patent right requirement, even if the combination of this feature or feature is not in patent
It is explicitely stated in claim or each embodiment here.
Claims (1)
1. electric car, including shock absorber, it is characterised in that：The shock absorber includes：Cylinder body, it is that one end is closed, the other end is opened
The cylindrical shape of mouth；Cover plate, it seals up the openend of the cylinder body；Piston, located at the intracavitary of cylinder body；Piston rod, its one end
Piston is connected to, the other end is through the cover plate and extends；Magnetic flow liquid, is filled in the intracavitary of cylinder body；The piston
External diameter is slightly less than the internal diameter of cylinder body, to form the path clearance circulated with having damping for magnetic flow liquid；
Further characterized in that, the cylinder body includes：
First cylinder body, it is located at innermost layer, is made up of the material of high permeability high thermal conductivity；
Magnet exciting coil, its outer surface uniformly around the close blind end located at first cylinder body；
Heat conduction with phase change net, network structure is made by phase-change material in it under low-temperature condition, and circumferentially parcel is covered in described first
On the outer surface of cylinder body；The width of the network structure corresponds to the circumference in the section of first cylinder body, described netted
The length of structure is less than the axial length of first cylinder body；And the network structure be divided into middle part compact district and both sides it is dilute
Dredge area, the compact district correspond to the central section of piston stroke, the rarefaction correspond to the central section of piston stroke with
Outer section, the mesh of the compact district is less than the mesh of the rarefaction；
Second cylinder body, it wraps up first cylinder body, is made up of resin material hot-working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710709045.XA CN107289060B (en) | 2017-01-19 | 2017-01-19 | Electric vehicle |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710709045.XA CN107289060B (en) | 2017-01-19 | 2017-01-19 | Electric vehicle |
| CN201710039641.1A CN106555833B (en) | 2017-01-19 | 2017-01-19 | Electric vehicle shock absorber |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710039641.1A Division CN106555833B (en) | 2017-01-19 | 2017-01-19 | Electric vehicle shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107289060A true CN107289060A (en) | 2017-10-24 |
| CN107289060B CN107289060B (en) | 2019-01-11 |
Family
ID=58446388
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710598903.8A Active CN107387646B (en) | 2017-01-19 | 2017-01-19 | Electric vehicle shock absorber |
| CN201710598904.2A Active CN107228154B (en) | 2017-01-19 | 2017-01-19 | Electric vehicle shock absorber |
| CN201710709045.XA Active CN107289060B (en) | 2017-01-19 | 2017-01-19 | Electric vehicle |
| CN201710039641.1A Expired - Fee Related CN106555833B (en) | 2017-01-19 | 2017-01-19 | Electric vehicle shock absorber |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710598903.8A Active CN107387646B (en) | 2017-01-19 | 2017-01-19 | Electric vehicle shock absorber |
| CN201710598904.2A Active CN107228154B (en) | 2017-01-19 | 2017-01-19 | Electric vehicle shock absorber |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710039641.1A Expired - Fee Related CN106555833B (en) | 2017-01-19 | 2017-01-19 | Electric vehicle shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN107387646B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595847A (en) * | 2018-12-04 | 2019-04-09 | 西安交通大学 | A kind of phase-change thermal storage defroster for domestic air source heat pump system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058359B (en) * | 2018-10-17 | 2020-11-03 | 哈尔滨工业大学 | Phase-change temperature-control fluid damper |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011089547A (en) * | 2009-10-20 | 2011-05-06 | Nitto Denko Corp | Vibration damping sheet, method for damping vibration of vibrating member and method of using the member |
| CN202648484U (en) * | 2012-06-12 | 2013-01-02 | 陈万仁 | Mesh used for extracting heat of transformation of compressed steam to perform radiant heat transfer |
| CN104135191A (en) * | 2014-08-18 | 2014-11-05 | 中国地质大学（武汉） | Foam metal composite phase change material heat storage temperature-difference power generation device |
| CN205089887U (en) * | 2015-11-02 | 2016-03-16 | 梅照丰 | Install in multi -functional electronic round magnetorheological damper |
| CN105508487A (en) * | 2016-01-24 | 2016-04-20 | 中国地质大学（武汉） | Dual-damping and dual-power-generating combined damping device |
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| US6386343B1 (en) * | 2001-04-30 | 2002-05-14 | Delphi Technologies, Inc. | Temperature compensating flux ring |
| US6971231B2 (en) * | 2003-12-15 | 2005-12-06 | Delphi Technologies, Inc. | Piston and rod assembly and method |
| CN102374255B (en) * | 2010-08-05 | 2015-05-27 | 香港中文大学 | Self-powered and self-sensing magnetorheological (MR) fluid damper |
| DE102011053947A1 (en) * | 2011-09-27 | 2013-03-28 | Contitech Luftfedersysteme Gmbh | Article e.g. a pneumatic spring bag, comprises a base body made of a polymeric material with elastic properties, where microparticles e.g. microcapsules are interfered in polymeric material of base body and comprise phase-change material |
| CN102661353B (en) * | 2012-05-30 | 2013-11-06 | 石家庄铁道大学 | Magnetorheological damper with convenience in assembly and disassembly of coil component |
| CN202790297U (en) * | 2012-09-17 | 2013-03-13 | 成都市翻鑫家科技有限公司 | Temperature-controllable magnetorheological fluid bumper |
| CN104179878B (en) * | 2014-09-09 | 2016-02-24 | 安徽工程大学 | A kind of self-cooling type MR damper |
| CN104455178B (en) * | 2014-12-11 | 2016-06-01 | 中国民航大学 | A kind of damp adjustable magnetorheological shimmy damper |
| CN104791410B (en) * | 2015-04-29 | 2016-09-07 | 柳州孔辉汽车科技有限公司 | A kind of MR fluid shock absorber |
| CN105570376B (en) * | 2015-12-31 | 2017-10-13 | 浙江科技学院 | Electrorheological fluid vibration damper |
-
2017
- 2017-01-19 CN CN201710598903.8A patent/CN107387646B/en active Active
- 2017-01-19 CN CN201710598904.2A patent/CN107228154B/en active Active
- 2017-01-19 CN CN201710709045.XA patent/CN107289060B/en active Active
- 2017-01-19 CN CN201710039641.1A patent/CN106555833B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011089547A (en) * | 2009-10-20 | 2011-05-06 | Nitto Denko Corp | Vibration damping sheet, method for damping vibration of vibrating member and method of using the member |
| CN202648484U (en) * | 2012-06-12 | 2013-01-02 | 陈万仁 | Mesh used for extracting heat of transformation of compressed steam to perform radiant heat transfer |
| CN104135191A (en) * | 2014-08-18 | 2014-11-05 | 中国地质大学（武汉） | Foam metal composite phase change material heat storage temperature-difference power generation device |
| CN205089887U (en) * | 2015-11-02 | 2016-03-16 | 梅照丰 | Install in multi -functional electronic round magnetorheological damper |
| CN105508487A (en) * | 2016-01-24 | 2016-04-20 | 中国地质大学（武汉） | Dual-damping and dual-power-generating combined damping device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595847A (en) * | 2018-12-04 | 2019-04-09 | 西安交通大学 | A kind of phase-change thermal storage defroster for domestic air source heat pump system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106555833B (en) | 2017-12-01 |
| CN107289060B (en) | 2019-01-11 |
| CN106555833A (en) | 2017-04-05 |
| CN107387646A (en) | 2017-11-24 |
| CN107387646B (en) | 2018-07-10 |
| CN107228154A (en) | 2017-10-03 |
| CN107228154B (en) | 2018-06-01 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20181101 Address after: 312400 No. 207, Xin Yan village, Jin Ting Town, Shengzhou, Shaoxing, Zhejiang Applicant after: Wang Xiaodong Address before: 330218 Nanchang, Jiangxi province Nanchang County Tacheng Township Hu Po Village 194 Applicant before: Qiu Liexiu |
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Effective date of registration: 20181120 Address after: 325000 Room 701, Modern 8 Blocks, Yindu Huayuan, Danan Street, Lucheng District, Wenzhou City, Zhejiang Province Applicant after: Jin Chaofan Address before: 312400 No. 207, Xin Yan village, Jin Ting Town, Shengzhou, Shaoxing, Zhejiang Applicant before: Wang Xiaodong |
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Effective date of registration: 20200527 Address after: 537000 in Xijiang Industrial Park, national ecological industry (sugar manufacturing) demonstration park, Guigang City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi diamond leopard New Energy Technology Co., Ltd Address before: 325000 Room 701, Modern 8 Blocks, Yindu Huayuan, Danan Street, Lucheng District, Wenzhou City, Zhejiang Province Patentee before: Jin Chaofan |
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