CN115182953A - New energy automobile damping device - Google Patents
New energy automobile damping device Download PDFInfo
- Publication number
- CN115182953A CN115182953A CN202210918988.4A CN202210918988A CN115182953A CN 115182953 A CN115182953 A CN 115182953A CN 202210918988 A CN202210918988 A CN 202210918988A CN 115182953 A CN115182953 A CN 115182953A
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- China
- Prior art keywords
- piston
- damping
- coil
- cylinder
- new energy
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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
- 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
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
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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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/06—Magnetic or electromagnetic
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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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
Abstract
The invention discloses a new energy automobile damping device, which comprises a top plate and a bottom plate, wherein the bottom plate is fixedly connected with an automobile body, a storage battery pack of a new energy automobile is fixed on the upper surface of the top plate by using a clamping device, the top plate and the bottom plate are provided with damping mechanisms, each damping mechanism comprises a piston rod, one end of each piston rod is fixed on the bottom surface of the top plate, the other end of each piston rod is inserted into a damping cylinder, each damping cylinder is fixed on the surface of the bottom plate, the end part of each piston rod is provided with a damping unit, each damping unit slides in each damping cylinder, magnetorheological fluid is filled in each damping cylinder, each damping unit is electrically connected with a power supply, each damping unit is magnetic, and the damping units and the magnetorheological fluid generate resistance through magnetic difference. The invention does not need practical rubber materials to bear power, selects the magnetorheological fluid to bear the power, and solves the problems of rapid aging, failure and slow rebound effect caused by frequent vibration force.
Description
Technical Field
The invention belongs to the technical field of mechanical shock absorption, and relates to a new energy automobile shock absorption device.
Background
Present automobile shock absorber's main effect is the vibrations and the bounce that arouse when absorbing the wheel and meet uneven road surface, makes and take the travelling comfort and obtains obvious promotion, and everybody should experience the car through the road surface of pot hole depression every time at the in-process of driving, all can have the bounce that undulates and ripple, makes unnecessary bounce inhibited within certain scope because the intervention of bumper shock absorber, if during the bumper shock absorber trouble, not only vibration noise can increase, but also can cause and jolt the discomfort.
The utility model discloses a rubber vibration damper, including the magnetic force bumper shock absorber, the rubber vibration damper is used for the long-term effect, and the rubber vibration damper is used for the long-term effect. The damper needs to be replaced by a material to provide resistance, the service life of the material is longer than that of a rubber material, the magnetorheological fluid is a material meeting the requirement, the magnetorheological fluid has different shearing yield stresses under different magnetic induction intensities, and when different currents are input, different damping forces can be generated, so that the magnetorheological fluid damper can be adopted to generate the damping force to replace the existing magnetic damper.
Disclosure of Invention
The invention aims to provide a new energy automobile damping device, which solves the problems in the background technology.
The technical scheme adopted by the invention is that the new energy automobile damping device comprises a top plate and a bottom plate, a storage battery pack is fixed on the upper surface of the top plate, the top plate and the bottom plate are provided with damping mechanisms, each damping mechanism comprises a piston rod, one end of each piston rod is fixed on the bottom surface of the top plate, the other end of each piston rod is inserted into a damping cylinder, each damping cylinder is fixed on the surface of the bottom plate, the end part of each piston rod is provided with a damping unit, each damping unit slides in each damping cylinder, and each damping cylinder is filled with magnetorheological fluid; and the power supply is electrically connected with the damping unit to enable the damping unit to have magnetism.
The invention is also characterized in that:
the damping cylinder comprises an outer cylinder, a first cylinder sealing cover is fixedly connected with the first end of the outer cylinder, a second cylinder sealing cover is fixedly connected with the second end of the outer cylinder, a first through hole is formed in the center of a top plate of the first cylinder sealing cover, and two ends of a piston rod penetrate through the first through hole.
The damping unit comprises a magnetic conduction sleeve, a piston is arranged in the magnetic conduction sleeve, a first coil is sleeved in the middle of the outer wall of the piston, a first piston end seat and a second piston end seat are arranged at two ends of the magnetic conduction sleeve respectively, liquid storage holes are formed in the first piston end seat and the second piston end seat, the first piston end seat and the second piston end seat are used for fixing the piston and the magnetic conduction sleeve, a piston rod sequentially penetrates through the first piston end seat and the second piston end seat and fixes the piston, and the first coil is electrically connected with a power supply.
The first piston end seat and the second piston end seat are both of a stepped structure.
The outer wall of the piston is provided with an annular groove, and the coil is uniformly wound on the annular groove of the piston.
The outer walls of the end parts of the two ends of the piston are provided with spiral annular grooves.
The inner wall of the magnetic conduction sleeve is provided with a spiral annular groove.
The outer wall of the piston rod is provided with a return spring, one end of the return spring is fixedly connected with the top plate, and the other end of the return spring is fixed on the upper surface of the first cylinder sealing cover.
The first coil is connected with the amplification mechanism, and the amplification mechanism includes the second coil, and the second coil is fixed on the bottom plate surface, second coil and first coil electric connection, and the second coil is connected with the power, and the inboard of second coil is provided with magnet, and the tip of magnet is provided with the bottom surface of spring coupling at the roof.
The invention has the beneficial effects that:
1. the invention does not need practical rubber materials to bear power, selects the magnetorheological fluid to bear the power, and solves the problems of rapid aging, failure and slow rebound effect caused by frequent vibration force.
2. The damping unit is convenient to install and maintain, solves the problems that the existing equipment is complex in structure and difficult to maintain in the later period, provides damping force, enables the vibration speed of the storage battery pack to change stably, and inhibits vibration.
3. The second coil in the amplification unit generates induction potential by means of vibration of the storage battery pack, and generates magnetic induction intensity when acting on the first coil, thereby generating damping force. The relation between the damping force and the vibration is that the larger the frequency rate amplitude of the vibration is, the larger the damping force is, and conversely, the smaller the damping force is. Through the synergistic effect of damping unit and amplification unit, let whole device realize automatic regulation and control damping force, can not let storage battery carry out excessive shock attenuation motion.
Drawings
FIG. 1 is a schematic structural diagram of a new energy automobile damping device of the invention;
FIG. 2 is a schematic structural diagram of a damping mechanism of the damping device of the new energy automobile;
FIG. 3 is an enlarged view of the position A of the damping device of the new energy automobile;
FIG. 4 is a schematic structural view of a second piston end seat of the damping device for a new energy automobile of the invention;
FIG. 5 is a sectional view of a piston of the damping device for a new energy automobile, provided by the invention;
fig. 6 is a cross-sectional view of a magnetic conductive sleeve of the damping device of the new energy automobile.
In the figure, 1, a top plate, 2, a bottom plate, 3, a storage battery pack, 4, a damping mechanism, 5, a power supply, 6, an amplification mechanism, 4-1, a piston rod, 4-2, a damping cylinder, 4-3, a damping unit, 4-2-1, an outer cylinder, 4-2-2, a first cylinder sealing cover, 4-2-3, a second cylinder sealing cover, 4-3-1, a first piston end seat, 4-3-2, a piston, 4-3-3, a magnetic conduction sleeve, 4-3-4, a first coil, 4-3-5, a second piston end seat, 6-1, a second coil, 6-2, a magnet and 6-3 springs are arranged.
Detailed Description
The invention is described in detail below with reference to the drawings and the detailed description.
The invention relates to a new energy automobile damping device, as shown in figure 1, comprising a top plate 1 and a bottom plate 2, wherein the bottom plate 2 is fixedly connected with an automobile body, a storage battery pack 3 of a new energy automobile is fixed on the upper surface of the top plate 1 by using a clamping device,
the top plate 1 and the bottom plate 2 are provided with a damping mechanism 4, the damping mechanism 4 comprises a piston rod 4-1, one end of the piston rod 4-1 is fixed on the bottom surface of the top plate 1, the other end of the piston rod 4-1 is inserted into a damping cylinder 4-2, the damping cylinder 4-2 is fixed on the surface of the bottom plate 2, the end part of the piston rod 4-1 is provided with a damping unit 4-3, the damping unit 4-3 slides in the damping cylinder 4-2, magnetorheological fluid is filled in the damping cylinder 4-2, the damping unit 4-3 is electrically connected with a power supply 5, the damping unit 4-3 is enabled to have magnetism, and the damping unit 4-3 and the magnetorheological fluid generate resistance through magnetic difference.
As shown in figure 2, the damping cylinder 4-2 comprises an outer cylinder 4-2-1, a first end of the outer cylinder 4-2-1 is fixedly connected with a first cylinder sealing cover 4-2-2, a second end of the outer cylinder 4-2-1 is fixedly connected with a second cylinder sealing cover 4-2-3, a first through hole is formed in the center of a top plate of the first cylinder sealing cover 4-2-2, and two ends of a piston rod 4-1 penetrate through the first through hole.
As shown in fig. 3, the damping unit 4-3 includes a magnetic conductive sleeve 4-3-3, a piston 4-3-2 is disposed in the magnetic conductive sleeve 4-3-3, a first coil 4-3-4 is sleeved in the middle of the outer wall of the piston 4-3-2, a first piston end seat 4-3-1 and a second piston end seat 4-3-5 are disposed at two ends of the magnetic conductive sleeve 4-3-3, liquid storage holes are disposed on the first piston end seat 4-3-1 and the second piston end seat 4-3-5, the first piston end seat 4-3-1 and the second piston end seat 4-3-5 are used for fixing the piston 4-3-2 and the magnetic conductive sleeve 4-3-3, the piston rod 4-1 sequentially passes through the first piston end seat 4-3-1 and the second piston end seat 4-3-5, and fixes the piston 4-3-2, and the first coil 4-3-4 is electrically connected to a power supply 5.
As shown in fig. 4, the first piston end seat 4-3-1 and the second piston end seat 4-3-5 are both in a stepped structure, the first step surface is connected with the end surface of the magnetic conductive sleeve 4-3-3, and the second step surface is connected with the end surface of the piston 4-3-2.
The outer wall of the piston 4-3-2 is provided with an annular groove, and the coil 4-3-4 is uniformly wound on the annular groove of the piston 4-3-2.
As shown in figures 4 and 5, the outer walls of the end parts of the two ends of the piston 4-3-2 are provided with spiral annular grooves.
The inner wall of the magnetic conduction sleeve 4-3-3 is provided with a spiral annular groove. The spiral annular groove can enable the annular gap to store more magnetorheological fluid, the magnetic induction intensity of the corresponding liquid storage hole is also the largest area in the whole magnetorheological fluid area, therefore, the design of the spiral annular groove can provide larger damping force,
the outer wall of the piston rod 4-1 is provided with a return spring 5, one end of the return spring 5 is fixedly connected with the top plate 1, and the other end of the return spring is fixed on the upper surface of the first cylinder sealing cover 4-2-2.
The first coil 4-3-4 is connected with an amplification mechanism 6, the amplification mechanism comprises a second coil 6-1, the second coil 6-1 is fixed on the surface of the bottom plate 2, the second coil 6-1 is electrically connected with the first coil 4-3-4, the second coil 6-1 is connected with a power supply 5, a magnet 6-2 is arranged on the inner side of the second coil 6-1, and a spring 6-3 is arranged at the end part of the magnet 6-2 and connected to the bottom surface of the top plate 1.
The invention relates to a new energy automobile damping device, which comprises the following working processes:
the vehicle traveles, and the automobile body produces the vibration, and the roof reciprocates, and the piston rod drives the piston and removes in the urceolus, and whole in-process, magnetorheological suspensions in the urceolus move to another intracavity from a chamber along the stock solution hole between piston and the magnetic conduction sleeve, through the size that changes electric current in the first coil, can change the size of the magnetic induction intensity in the stock solution hole between piston and the magnetic conduction sleeve.
The roof reciprocates, spring coupling's magnet is the same with its amplitude of vibration from top to bottom, the frequency of vibration is big enough at the beginning, magnet can be at the inboard quick reciprocating motion of second coil, second coil magnet fly-cutting magnetism feels the line, the more induction potential that produces of speed is just big more, can let induced-current strength increase, the grow of the magnetic induction strength of first coil, the shearing yield strength of magnetorheological suspensions is also at the grow, consequently, can provide bigger damping force, it is steady along with the roof to let the roof flat rapidly, magnet can reciprocating motion slow down, the damping force who provides diminishes.
The invention relates to a new energy automobile damping device, which has the advantages that: the second coil in the amplification unit generates induction potential by means of vibration of the storage battery pack, and magnetic induction intensity is generated when the induction potential acts on the first coil, so that damping force is generated. The relation between the damping force and the vibration is that the larger the frequency rate amplitude of the vibration is, the larger the damping force is, and conversely, the smaller the damping force is. This achieves that the vibration to which the battery pack is subjected is mitigated by using the vibration to which the battery pack is subjected. Through the synergistic effect of damping unit and amplification unit, let whole device realize automatically regulated and control damping force, can not let storage battery carry out excessive shock attenuation motion.
Claims (9)
1. The utility model provides a new energy automobile damping device, is including roof (1) and bottom plate (2), and storage battery (3) are fixed at the upper surface of roof (1), and roof (1) and bottom plate (2) are provided with damper (4), its characterized in that:
the damping mechanism (4) comprises a piston rod (4-1), one end of the piston rod (4-1) is fixed on the bottom surface of the top plate (1), the other end of the piston rod (4-1) is inserted into the damping cylinder (4-2), the damping cylinder (4-2) is fixed on the surface of the bottom plate (2), a damping unit (4-3) is arranged at the end part of the piston rod (4-1), the damping unit (4-3) slides in the damping cylinder (4-2), and magnetorheological fluid is filled in the damping cylinder (4-2);
and the power supply (5) is electrically connected with the damping unit (4-3) to enable the damping unit to have magnetism.
2. The new energy automobile shock absorber device as claimed in claim 1, wherein the damping cylinder (4-2) comprises an outer cylinder (4-2-1), a first end of the outer cylinder (4-2-1) is fixedly connected with a first cylinder sealing cover (4-2-2), a second end of the outer cylinder (4-2-1) is fixedly connected with a second cylinder sealing cover (4-2-3), a first through hole is formed in the center of a top plate of the first cylinder sealing cover (4-2-2), and two ends of a piston rod (4-1) penetrate through the first through hole.
3. The new energy automobile shock absorption device as claimed in claim 2, wherein the damping unit (4-3) comprises a magnetic conduction sleeve (4-3-3), a piston (4-3-2) is arranged in the magnetic conduction sleeve (4-3-3), a first coil (4-3-4) is sleeved in the middle of the outer wall of the piston (4-3-2), two ends of the magnetic conduction sleeve (4-3-3) are respectively provided with a first piston end seat (4-3-1) and a second piston end seat (4-3-5), liquid storage holes are formed in the first piston end seat (4-3-1) and the second piston end seat (4-3-5), the first piston end seat (4-3-1) and the second piston end seat (4-3-5) are used for fixing the piston (4-3-2) and the magnetic conduction sleeve (4-3-3), the piston rod (4-1) sequentially penetrates through the first piston end seat (4-3-1) and the second piston end seat (4-3-5), the piston end seat (4-3-3) is used for fixing the piston (4-2) and the magnetic conduction sleeve (4-3-3), and the piston rod (4-1) sequentially penetrates through the first piston end seat (4-3-1) and is electrically connected with the power supply coil (4-3-5), and the first coil (4-3-3) and the second piston end seat (4-3) is electrically connected with the power supply coil (4-3-3).
4. A machine tool feed direction vibration damping device according to claim 3, characterized in that said first piston end seat (4-3-1) and said second piston end seat (4-3-5) are of a stepped configuration.
5. The new energy automobile shock absorption device according to claim 3, wherein the outer wall of the piston (4-3-2) is provided with an annular groove, and the first coil (4-3-4) is uniformly wound on the annular groove of the piston (4-3-2).
6. The new energy automobile shock absorption device according to claim 3, wherein the outer walls of the two end parts of the piston (4-3-2) are provided with spiral annular grooves.
7. The new energy automobile shock absorption device according to claim 3, wherein the inner wall of the magnetic conductive sleeve (4-3-3) is provided with a spiral annular groove.
8. The new energy automobile shock absorption device according to claim 3, wherein a return spring (5) is arranged on the outer wall of the piston rod (4-1), one end of the return spring (5) is fixedly connected with the top plate (1), and the other end of the return spring is fixed on the upper surface of the first cylinder sealing cover (4-2-2).
9. The new energy automobile shock absorption device according to claim 3, wherein the first coil (4-3-4) is connected with an amplification mechanism (6), the amplification mechanism comprises a second coil (6-1), the second coil (6-1) is fixed on the surface of the bottom plate (2), the second coil (6-1) is electrically connected with the first coil (4-3-4), the second coil (6-1) is connected with the power supply (5), the inner side of the second coil (6-1) is provided with a magnet (6-2), and the end of the magnet (6-2) is provided with a spring (6-3) and is connected with the bottom surface of the top plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210918988.4A CN115182953A (en) | 2022-08-02 | 2022-08-02 | New energy automobile damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210918988.4A CN115182953A (en) | 2022-08-02 | 2022-08-02 | New energy automobile damping device |
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| Publication Number | Publication Date |
|---|---|
| CN115182953A true CN115182953A (en) | 2022-10-14 |
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ID=83520700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210918988.4A Pending CN115182953A (en) | 2022-08-02 | 2022-08-02 | New energy automobile damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115182953A (en) |
Citations (9)
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| KR20130002112A (en) * | 2011-06-28 | 2013-01-07 | 엘지전자 주식회사 | Leg assembly of washing machine |
| CN106678256A (en) * | 2017-01-19 | 2017-05-17 | 长安大学 | Magnetoelectric self-powered suspension shock absorber of electric vehicle |
| KR20170113781A (en) * | 2016-03-25 | 2017-10-13 | 현대로템 주식회사 | MR damper have functions of energy harvesting |
| CN107630972A (en) * | 2017-10-26 | 2018-01-26 | 叶泽龙 | A kind of auto magnetorheological damper |
| CN208719241U (en) * | 2018-09-04 | 2019-04-09 | 华东交通大学 | A kind of automatic adjustable self energizing magneto-rheological vibration damper |
| CN109944896A (en) * | 2019-04-04 | 2019-06-28 | 四川大学 | A kind of self-adaptive current liquescent damper of self-induction power supply |
| CN110261144A (en) * | 2019-07-03 | 2019-09-20 | 成都工业学院 | A kind of test method of suspension damping ratio |
| AU2020100576A4 (en) * | 2020-04-16 | 2020-05-28 | University Of Shanghai For Science And Technology | Damping Device |
| CN210859645U (en) * | 2019-06-05 | 2020-06-26 | 西安理工大学 | Magnetorheological fluid damper |
-
2022
- 2022-08-02 CN CN202210918988.4A patent/CN115182953A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130002112A (en) * | 2011-06-28 | 2013-01-07 | 엘지전자 주식회사 | Leg assembly of washing machine |
| KR20170113781A (en) * | 2016-03-25 | 2017-10-13 | 현대로템 주식회사 | MR damper have functions of energy harvesting |
| CN106678256A (en) * | 2017-01-19 | 2017-05-17 | 长安大学 | Magnetoelectric self-powered suspension shock absorber of electric vehicle |
| CN107630972A (en) * | 2017-10-26 | 2018-01-26 | 叶泽龙 | A kind of auto magnetorheological damper |
| CN208719241U (en) * | 2018-09-04 | 2019-04-09 | 华东交通大学 | A kind of automatic adjustable self energizing magneto-rheological vibration damper |
| CN109944896A (en) * | 2019-04-04 | 2019-06-28 | 四川大学 | A kind of self-adaptive current liquescent damper of self-induction power supply |
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| CN110261144A (en) * | 2019-07-03 | 2019-09-20 | 成都工业学院 | A kind of test method of suspension damping ratio |
| AU2020100576A4 (en) * | 2020-04-16 | 2020-05-28 | University Of Shanghai For Science And Technology | Damping Device |
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