CN117656737A - Electromagnetic suspension of vehicle and vehicle - Google Patents
Electromagnetic suspension of vehicle and vehicle Download PDFInfo
- Publication number
- CN117656737A CN117656737A CN202310360121.6A CN202310360121A CN117656737A CN 117656737 A CN117656737 A CN 117656737A CN 202310360121 A CN202310360121 A CN 202310360121A CN 117656737 A CN117656737 A CN 117656737A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- linear motor
- electromagnetic suspension
- cylinder
- motor unit
- 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.)
- Pending
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 67
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 238000013016 damping Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000002401 inhibitory effect Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses an electromagnetic suspension of a vehicle and the vehicle, wherein the electromagnetic suspension of the vehicle comprises a linear motor unit and an elastic unit, the linear motor unit comprises a linear motor, the linear motor comprises a stator assembly and a rotor assembly, one of the stator assembly and the rotor assembly is suitable for being connected with a vehicle body, the other is suitable for being connected with a wheel, and the peripheral side of the linear motor unit comprises a wheel side and a non-wheel side; the elastic unit is disposed on the non-wheel side of the linear motor unit and connected to the linear motor unit. According to the electromagnetic suspension of the vehicle, the elastic unit is arranged on the non-wheel side of the linear motor unit, so that the arrangement of the wheel side parts is facilitated, and the difficulty in the arrangement of the wheel side parts is reduced; when the vehicle runs, the linear motor unit and the wheel side parts can be prevented from being interfered in a moving way, meanwhile, the vehicle can conveniently obtain a larger wheel corner, the turning diameter is reduced, and the trafficability of the vehicle can be improved.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to an electromagnetic suspension of a vehicle and the vehicle.
Background
In the related art, the electromagnetic suspension of the vehicle is sleeved outside the electromagnetic suspension body by the suspension spring, so that the whole volume of the electromagnetic suspension is increased. When the electromagnetic suspension is arranged beside a wheel, the radial dimension of the electromagnetic suspension is obviously larger, and the excessive volume occupies the space of parts beside the wheel, so that great difficulty is brought to the arrangement of the parts beside the wheel; when the vehicle runs, the electromagnetic suspension can often interfere with the movement of parts beside the wheel, and particularly when the wheel turns, the turning angle of the wheel can be limited, so that the vehicle is difficult to obtain a larger turning angle, and the turning diameter is increased.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide an electromagnetic suspension for a vehicle, in which an elastic unit is disposed on a non-wheel side of a linear motor unit, the elastic unit does not occupy a space between the linear motor unit and a corresponding wheel, so that arrangement of wheel-side components is facilitated, and difficulty in arrangement of the wheel-side components is reduced; when the vehicle runs, the linear motor unit and the wheel side parts can be prevented from being interfered in a moving way, meanwhile, the vehicle can conveniently obtain a larger wheel corner, the turning diameter is reduced, and the trafficability of the vehicle can be improved.
The invention further provides a vehicle with the electromagnetic suspension of the vehicle.
An electromagnetic suspension of a vehicle according to an embodiment of a first aspect of the invention includes: a linear motor unit including a linear motor including a stator assembly and a mover assembly, one of the stator assembly and the mover assembly being adapted to be connected to a vehicle body and the other being adapted to be connected to a wheel, an outer peripheral side of the linear motor unit including a wheel side and a non-wheel side, the wheel side being a side of the linear motor unit opposite to the corresponding wheel; and an elastic unit disposed at the non-wheel side of the linear motor unit and connected to the linear motor unit.
According to the electromagnetic suspension of the vehicle, the elastic unit is arranged on the non-wheel side of the linear motor unit, so that the elastic unit does not occupy the space between the linear motor unit and the corresponding wheel, the arrangement of the wheel-side parts is facilitated, and the arrangement difficulty of the wheel-side parts is reduced; when the vehicle runs, the linear motor unit and the wheel side parts can be prevented from being interfered in a moving way, meanwhile, the vehicle can conveniently obtain a larger wheel corner, the turning diameter is reduced, and the trafficability of the vehicle can be improved.
According to some embodiments of the invention, the elastic unit is arranged at a side of the linear motor unit adjacent to a longitudinal axis of the vehicle, the longitudinal axis being a central axis of the vehicle extending in a length direction of the vehicle.
According to some embodiments of the invention, a portion of the elastic unit is mounted within the vehicle body.
According to some alternative embodiments of the invention, the electromagnetic suspension located at the front of the vehicle is a front electromagnetic suspension, a part of the elastic unit of which is mounted in a front cabin of the vehicle body.
According to some embodiments of the invention, the linear motor unit further comprises a first working cylinder, the first working cylinder is connected to the lower side of the linear motor, the first working cylinder comprises a first cylinder body and a piston, the piston is arranged in the first cylinder body to divide an inner cavity of the first cylinder body into a first cavity and a second cavity, the first cavity is positioned above the second cavity, and the lower end of the rotor assembly is positioned in the first cylinder body and connected with the piston; the elastic unit comprises a hydro-pneumatic spring, the hydro-pneumatic spring comprises a second working cylinder, the second working cylinder comprises a second cylinder body and a diaphragm, the diaphragm is arranged in the second cylinder body to divide an inner cavity of the second cylinder body into an air cavity and an oil cavity, and the second cylinder body is connected with the first cylinder body and the oil cavity is communicated with the second cavity.
According to some alternative embodiments of the invention, the second cylinder is mounted within the body.
According to some alternative embodiments of the invention, the electromagnetic suspension located at the front of the vehicle is a front electromagnetic suspension, the second cylinder of which is mounted in a front cabin of the vehicle body.
According to some alternative embodiments of the invention, the electromagnetic suspension of the vehicle further comprises an air tank connected to the second cylinder and adapted to communicate with the air chamber, the air tank being mounted in the body.
According to some optional embodiments of the present invention, a second connection pipe is connected between the air tank and the second cylinder, the second connection pipe is adapted to connect the air cavity and the air tank, and a first control valve is disposed on the second connection pipe, and the first control valve is used for controlling on-off of the second connection pipe.
According to some optional embodiments of the invention, a third connecting pipe is connected to the second cylinder, the third connecting pipe is suitable for communicating the air cavity with the external environment, and a second control valve is arranged on the third connecting pipe and is used for controlling on-off of the third connecting pipe.
According to an embodiment of the second aspect of the present invention, a vehicle includes: an electromagnetic suspension according to an embodiment of the above first aspect of the present invention.
According to the vehicle provided by the embodiment of the invention, the electromagnetic suspension of the vehicle is arranged, so that the arrangement of the wheel side parts can be facilitated, and the difficulty in the arrangement of the wheel side parts is reduced; when the vehicle runs, the linear motor unit can be prevented from being interfered with the wheel side parts in a movement way, meanwhile, the vehicle can obtain larger wheel turning angles, the turning diameter is reduced, and the trafficability of the vehicle can be improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic illustration of an assembly of an electromagnetic suspension and a wheel of a vehicle according to some embodiments of the invention;
FIG. 2 is a side view of the electromagnetic suspension of the vehicle of FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a front view of the linear motor unit of fig. 1;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 6 is a schematic illustration of the piston of FIG. 1 assembled to a mover assembly;
fig. 7 is a schematic view of the piston of fig. 1 assembled to another angle of the mover assembly.
Reference numerals:
100. an electromagnetic suspension;
10. a linear motor unit; 1. a linear motor; 2. a mover assembly; 21. a piston rod; 22. a permanent magnet holder; 221. penetrating holes; 23. a permanent magnet; 3. a stator assembly; 31. a housing; 311. perforating; 32. a coil holder; 33. a coil; 34. a bearing; 4. a first cylinder; 41. a first cylinder; 411. a first cavity; 412. a second cavity; 5. a piston; 51. a seal ring;
20. an elastic unit; 6. a hydro-pneumatic spring; 61. a first connection pipe; 62. a second connection pipe; 7. a second cylinder; 71. a second cylinder; 711. an air chamber; 712. an oil chamber; 713. a diaphragm; 714. mounting lugs;
81. a wheel; 82. a lower swing arm;
a. a wheel side; b. a non-wheel side.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
An electromagnetic suspension 100 of a vehicle according to an embodiment of the present invention is described below with reference to fig. 1 to 7.
Referring to fig. 1 to 7, an electromagnetic suspension 100 of a vehicle includes a linear motor unit 10 and an elastic unit 20, and the linear motor unit 10 may be connected to the elastic unit 20. The linear motor unit 10 includes a linear motor 1, the linear motor 1 includes a stator assembly 3 and a mover assembly 2, one of the stator assembly 3 and the mover assembly 2 is adapted to be connected to a vehicle body and the other is adapted to be connected to a wheel 81, and it may be that the stator assembly 3 is connected to the vehicle body and the mover assembly 2 is connected to the wheel 81; it is also possible that the stator assembly 3 is connected to the wheel 81 and the mover assembly 2 is connected to the vehicle body. In the running process of the vehicle, the rotor assembly 2 and the stator assembly 3 can move, current is input to the linear motor 1, so that interaction force can be generated between the rotor assembly 2 and the stator assembly 3 to generate damping force for inhibiting vibration of the vehicle body, and the vibration of the vehicle body can be reduced. For example, the mover assembly 2 includes a mover including a permanent magnet holder 22 and a permanent magnet 23, a penetration hole 221 may be formed on the permanent magnet holder 22, the piston rod 21 may be penetrated through the penetration hole 221 and interference-fit with the penetration hole 221 to fix the permanent magnet holder 22 to the piston rod 21, and the permanent magnet 23 may be embedded in the permanent magnet holder 22. The stator assembly 3 may include a housing 31, a coil holder 32, a coil 33, and a bearing 34, the coil holder 32 may be disposed in the housing 31, the coil 33 may be embedded in the coil holder 32, a through hole 311 is formed in the housing 31, the piston rod 21 may be disposed through the through hole 311, and the bearing 34 is disposed between the housing 31 and the piston rod 21, so as to reduce friction force when the mover assembly 2 moves up and down, and facilitate the up and down movement of the mover assembly 2.
For example, the vehicle has a plurality of wheels 81, and the electromagnetic suspension 100 includes a plurality of linear motor units 10, the number of wheels 81 being the same as and corresponding to the number of linear motor units 10 one by one, each linear motor unit 10 being for controlling a corresponding wheel 81.
The outer peripheral side of the linear motor unit 10 includes a wheel side a, which is the side of the linear motor unit 10 opposite to the corresponding wheel 81, and a non-wheel side b. The elastic unit 20 is disposed on the non-wheel side b of the linear motor unit 10, and the elastic unit 20 is connected to the linear motor unit 10, and the elastic unit 20 and the linear motor unit 10 cooperate to play roles in damping impact, supporting a vehicle body, and reducing vibration of the vehicle body. The elastic unit 20 is arranged on the non-wheel side b of the linear motor unit 10, so that the elastic unit 20 does not occupy the space on the wheel side a, that is, the elastic unit 20 does not occupy the space on the opposite side of the linear motor unit 10 to the corresponding wheel 81, and a space can be reserved for arrangement of parts between the linear motor unit 10 and the corresponding wheel 81, thereby facilitating arrangement of the parts on the wheel side a. The elastic unit 20 is located on the non-wheel side b of the linear motor unit 10, so that when the vehicle runs, the linear motor unit 10 and the parts on the wheel side a can be prevented from being interfered with each other, meanwhile, the vehicle can obtain larger wheel 81 turning angle, the turning diameter is reduced, and the passing performance of the vehicle can be improved.
For example, the electromagnetic suspension 100 of the vehicle further includes a lower swing arm 82, the lower swing arm 82 may be connected to the wheel 81, and a lower end of the stator assembly 3 may be hinged to the lower swing arm 82. The elastic unit 20 is disposed at the non-wheel side b of the linear motor unit 10, and the elastic unit 20 may not occupy a space between the linear motor unit 10 and the corresponding wheel 81. When the vehicle is running, the linear motor unit 10 and the lower swing arm 82 can be prevented from being in motion interference, and the linear motor unit 10 and the stabilizer bar of the vehicle can be prevented from being in motion interference.
For example, the stator assembly 3 of the linear motor 1 may be connected to the wheel 81 through the lower swing arm 82, the mover assembly 2 of the linear motor 1 may be connected to the vehicle body, and the upper end of the piston rod 21 of the mover assembly 2 is connected to the vehicle body. When the vehicle runs on a bumpy road surface, the wheels 81 can jump up and down, the stator assembly 3 can be driven to move up and down when the wheels 81 jump up and down, current is input to the linear motor 1, so that interaction force is generated between the rotor assembly 2 and the stator assembly 3, damping force for inhibiting vibration of the vehicle body can be generated, vibration of the vehicle body is reduced, the elastic unit 20 can play a role in supporting the vehicle body and relieving impact, and running smoothness of the vehicle can be improved, so that riding the vehicle is more comfortable.
According to the electromagnetic suspension 100 of the vehicle in the embodiment of the invention, the elastic unit 20 does not occupy the space between the linear motor unit 10 and the corresponding wheel 81 by arranging the elastic unit 20 on the non-wheel side b of the linear motor unit 10, so that the arrangement of the wheel side a parts is facilitated, and the difficulty in the arrangement of the wheel side a parts is reduced; when the vehicle runs, the linear motor unit 10 and the wheel side part a can be prevented from being interfered in a movement mode, meanwhile, the vehicle can conveniently obtain larger wheel 81 turning angles, the turning diameter is reduced, and the trafficability of the vehicle can be improved.
According to some embodiments of the present invention, referring to fig. 1 to 3, the elastic unit 20 is disposed at a side of the linear motor unit 10 adjacent to a longitudinal axis of the vehicle, that is, at a side of the linear motor unit 10 remote from the corresponding wheel, the longitudinal axis being a central axis of the vehicle extending in a longitudinal direction of the vehicle, and a space of a side of the linear motor unit 10 adjacent to the longitudinal axis of the vehicle is large, so that the disposition of the elastic unit 20 can be facilitated, and the utilization of the space of a side adjacent to the longitudinal axis of the vehicle can be improved. The elastic unit 20 is disposed at a side of the linear motor unit 10 adjacent to the longitudinal axis of the vehicle, so that the wheel 81 can be further prevented from being interfered with the elastic unit 20 during the running of the vehicle, and the passing ability of the vehicle can be further improved.
According to some embodiments of the present invention, referring to fig. 1 to 3, a portion of the elastic unit 20 is installed in a vehicle body, and a portion of the elastic unit 20 may be connected to the vehicle body, and a portion of the elastic unit 20 connected to the vehicle body is a sprung mass of the vehicle, so that a non-sprung mass of the vehicle may be reduced, and a ride comfort of the vehicle may be improved, so that a riding vehicle is more comfortable. For example, a portion of the elastic unit 20 may be mounted in the vehicle body by an elastic unit bracket.
According to some alternative embodiments of the present invention, referring to fig. 1 to 3, an electromagnetic suspension 100 located at the front of a vehicle is a front electromagnetic suspension, a part of an elastic unit 20 of the front electromagnetic suspension is installed in a front cabin of a vehicle body, and a space in the front cabin is large, so that arrangement of the front electromagnetic suspension can be facilitated, difficulty in arrangement of the front electromagnetic suspension is reduced, and space utilization of the front cabin is also improved. For example, the electromagnetic suspension 100 located at the rear of the vehicle is a rear electromagnetic suspension, and a portion of the elastic unit 20 of the rear electromagnetic suspension may be mounted at the rear of the vehicle.
According to some embodiments of the present invention, referring to fig. 1 to 7, the linear motor unit 10 further includes a first cylinder 4, the first cylinder 4 being connected to the lower side of the linear motor 1, and the first cylinder 4 being connectable to the lower end of the stator assembly 3 of the linear motor 1. The first cylinder 4 includes a first cylinder 41 and a piston 5, the piston 5 being provided in the first cylinder 41, and the piston 5 being movable up and down in the first cylinder 41. The piston 5 may divide the inner cavity of the first cylinder 41 into a first cavity 411 and a second cavity 412, the first cavity 411 is located above the second cavity 412, the lower end of the mover assembly 2 is located in the first cylinder 41, and the lower end of the mover assembly 2 is connected with the piston 5.
For example, a seal ring 51 may be formed between the outer circumferential wall of the piston 5 and the inner circumferential wall of the first cylinder 41, the seal ring 51 being for sealing a gap between the outer circumferential wall of the piston 5 and the inner circumferential wall of the first cylinder 41. Two annular grooves which are arranged at intervals can be formed on the piston 5, and the sealing ring 51 is embedded into the annular grooves of the piston 5 so as to isolate the first cavity 411 from the second cavity 412 and prevent oil in the second cavity 412 from entering the first cavity 411 through a gap between the outer peripheral wall of the piston 5 and the inner peripheral wall of the first cylinder 41.
The elastic unit 20 includes the hydro-pneumatic spring 6, the hydro-pneumatic spring 6 includes the second working cylinder 7, the second working cylinder 7 includes the second cylinder body 71 and the diaphragm 713, the diaphragm 713 is located in the second cylinder body 71, the diaphragm 713 can divide the inner chamber of the second cylinder body 71 into the air chamber 711 and the oil chamber 712, the second cylinder body 71 links to each other with the first cylinder body 41 and the oil chamber 712 communicates with the second chamber 412, the fluid can reciprocate between the oil chamber 712 and the second chamber 412. For example, the oil chamber 712 and the second chamber 412 may communicate through the first connecting pipe 61. For example, the diaphragm 713 may be made of a flexible material, the diaphragm 713 may be deformed up and down in the second cylinder 71, and when the load of the vehicle is large, the diaphragm 713 may be deformed upward in the second cylinder 71; when the load of the vehicle is reduced, the diaphragm 713 may be deformed downward in the second cylinder 71. The hydro-pneumatic spring 6 can play roles in supporting a vehicle body and relieving impact through the up-and-down deformation of the diaphragm 713, and the up-and-down deformation of the diaphragm 713 of the hydro-pneumatic spring 6 is nonlinear elastic deformation, so that the smoothness of the vehicle during running is improved.
When the vehicle runs on a bumpy road, the wheels 81 can jump up and down, and when the wheels 81 jump, the stator assembly 3 of the linear motor 1 can be driven to move up and down, and current is input to the linear motor 1, so that interaction force is generated between the rotor assembly 2 and the stator assembly 3, and damping force for inhibiting vibration of the vehicle body can be generated, so that the vibration reduction effect is achieved. The piston 5 can reciprocate in the first cylinder 41, so that oil can reciprocate between the oil chamber 712 and the second chamber 412, the oil pushes the diaphragm 713 to compress air in the air chamber 711, the compressed air plays a role in elasticity, and the functions of supporting a vehicle body and relieving impact can be played.
According to some alternative embodiments of the present invention, referring to fig. 1 to 3, the second cylinder 7 of the elastic unit 20 is installed in the vehicle body, the second cylinder 7 may be connected to the vehicle body, the second cylinder 7 connected to the vehicle body may be a sprung mass of the vehicle, a non-sprung mass of the vehicle may be reduced, and running smoothness of the vehicle may be improved, so that riding the vehicle may be more comfortable. The second working cylinder 7 is larger in size and heavier in weight, the second working cylinder 7 is installed in the vehicle body, the vehicle body can play a supporting role on the second working cylinder 7, the second working cylinder 7 can be conveniently installed, the stability of the second working cylinder 7 can be improved, meanwhile, the unsprung mass of the vehicle can be further reduced, and the running smoothness of the vehicle is further improved, so that the riding vehicle is more comfortable. For example, a mounting lug 714 may be formed on the outer peripheral wall of the second cylinder 7, and the mounting lug 714 may be connected to an elastic unit bracket by which the second cylinder 7 may be mounted into the vehicle body.
According to some alternative embodiments of the present invention, referring to fig. 1 to 3, an electromagnetic suspension 100 located at the front of a vehicle is a front electromagnetic suspension, a second working cylinder 7 of the front electromagnetic suspension is installed in a front cabin of a vehicle body, and a space in the front cabin is large, so that the arrangement of the second working cylinder 7 can be facilitated, the arrangement difficulty of the second working cylinder 7 is reduced, and the space utilization rate of the front cabin can be improved. For example, the electromagnetic suspension 100 located at the rear of the vehicle is a rear electromagnetic suspension, and the second cylinder 7 of the rear electromagnetic suspension may be mounted at the rear of the vehicle.
According to some alternative embodiments of the present invention, referring to fig. 1 to 7, a first connection pipe 61 is connected between the second cylinder 71 and the first cylinder 41, the first connection pipe 61 communicates the oil chamber 712 with the second chamber 412, the second cylinder 7 is located obliquely above the first cylinder 4, and oil can flow reciprocally between the oil chamber 712 and the second chamber 412 through the first connection pipe 61. The linear motor unit 10 and the hydro-pneumatic spring 6 can be connected through the first connecting pipe 61, the hydro-pneumatic spring 6 and the linear motor unit 10 can be arranged separately, and the hydro-pneumatic spring 6 and the linear motor unit 10 can be guaranteed to act together to play roles in reducing vibration of a vehicle body and supporting the vehicle body.
According to some alternative embodiments of the present invention, referring to fig. 1-7, the electromagnetic suspension 100 of the vehicle further includes a gas tank connected to the second cylinder 71 and adapted to communicate with the air chamber 711 of the second cylinder 71, the gas tank being mounted in the vehicle body, the gas tank being capable of filling the air chamber 711 with air. When the load of the vehicle increases, the vehicle body descends, and at this time, in order to keep the height of the vehicle body unchanged, the air tank can charge air into the air chamber 711, the air in the air chamber 711 can push the diaphragm 713 to move downwards, the diaphragm 713 can push the oil in the oil chamber 712 to flow to the second chamber 412 of the linear motor unit 10, and the oil in the second chamber 412 can push the piston 5 to move upwards so as to push the rotor assembly 2 to move upwards, so as to support the vehicle body, and the height of the vehicle body can be kept unchanged.
When the load of the vehicle is reduced, the air in the air cavity 711 pushes the diaphragm 713 to move downwards, the diaphragm 713 pushes the oil in the oil cavity 712 to flow to the second cavity 412 of the linear motor unit 10, and the oil in the second cavity 412 pushes the piston 5 to move upwards, and pushes the mover assembly 2 to move upwards, so that the height of the vehicle body is increased; at this time, the air in the air chamber 711 is discharged, the air in the air chamber 711 is reduced, the air in the air chamber 711 does not push the diaphragm 713 to move downward, the oil does not flow from the oil chamber 712 to the second chamber 412, and the mover assembly 2 is kept stationary, so that the height of the vehicle body is kept unchanged.
The air tank (not shown) may be connected to the air chamber 711 of the second cylinder 71, and the air tank (not shown) may be filled with air according to a load change of the vehicle, or the air in the air chamber 711 may be discharged, so that the hydro-pneumatic spring 6 may exhibit different elastic characteristics to achieve an effect of supporting the vehicle body with a constant height.
According to some alternative embodiments of the present invention, referring to fig. 1-3, a second connection pipe 62 is connected between the air tank and the second cylinder 71, the second connection pipe 62 is adapted to communicate the air chamber 711 with the air tank, and a first control valve (not shown) is provided on the second connection pipe 62, and the first control valve is used to control the on-off of the second connection pipe 62. The first control valve can control the communication of the second connecting pipe 62, and the air in the air storage tank can be conveyed into the air cavity 711 of the second working cylinder 7 through the second connecting pipe 62; when the air tank finishes supplying air into the air chamber 711, the first control valve may control the disconnection of the second connection pipe 62. For example, the first control valve may be a one-way control valve, and when the first control valve controls the communication of the second connection pipe 62, air in the air tank may be delivered into the air chamber 711 through the second connection pipe 62, and air in the air chamber 711 may not be delivered into the air tank through the second connection pipe 62.
According to some alternative embodiments of the present invention, a third connection pipe (not shown) is connected to the second cylinder 71, the third connection pipe is adapted to communicate the air chamber 711 with the external environment, and a second control valve (not shown) is disposed on the third connection pipe, and the second control valve is used for controlling the on-off of the third connection pipe. When the load of the vehicle is reduced, it is necessary to discharge the air in the air chamber 711, and the first control valve may control the communication of the third connection pipe such that the air in the air chamber 711 may be discharged to the external environment through the third connection pipe; the second control valve may control the disconnection of the third connection pipe when the air discharge in the air chamber 711 is completed. For example, the second control valve may be a one-way control valve, and when the first control valve controls the communication of the third connection pipe, air in the air chamber 711 may be discharged to the external environment through the third connection pipe, and air in the external environment may not be delivered to the air chamber 711 through the third connection pipe.
According to other embodiments of the present invention, the electromagnetic suspension 100 of the vehicle may include the linear motor unit 10 and the elastic unit 20, the elastic unit 20 may include a torsion bar spring, one end of which may be connected to the wheel 81, the other end of which may be connected to the vehicle body, and the lower end of the stator assembly 3 of the linear motor unit 10 may also be connected to the wheel 81. When the vehicle runs on a bumpy road, the wheels 81 can jump up and down, the wheels 81 can drive the rotor assembly 2 of the linear motor unit 10 to move up and down, and current is input to the linear motor 1, so that interaction force can be generated between the rotor assembly 2 and the stator assembly 3, damping force for inhibiting vehicle body vibration is generated, and the effect of reducing the vehicle body vibration can be achieved; the wheels 81 can drive the torsion bar spring to twist, so that the torsion bar spring generates torsion potential energy, and the torsion potential energy can play a role in relieving impact and supporting a vehicle body.
A vehicle according to an embodiment of the second aspect of the present invention includes an electromagnetic suspension 100 according to the embodiment of the first aspect of the present invention described above. The electromagnetic suspension 100 is arranged on the vehicle, so that the running smoothness of the vehicle can be improved.
According to the vehicle provided by the embodiment of the invention, the electromagnetic suspension 100 of the vehicle is arranged, so that the arrangement of the wheel-side a parts can be facilitated, and the difficulty in the arrangement of the wheel-side a parts is reduced; when the vehicle runs, the linear motor unit 10 and the wheel side part a can be prevented from being interfered in a movement mode, meanwhile, the vehicle can conveniently obtain larger wheel 81 turning angles, the turning diameter is reduced, and the trafficability of the vehicle can be improved.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (11)
1. An electromagnetic suspension for a vehicle, comprising:
a linear motor unit including a linear motor including a stator assembly and a mover assembly, one of the stator assembly and the mover assembly being adapted to be connected to a vehicle body and the other being adapted to be connected to a wheel, an outer peripheral side of the linear motor unit including a wheel side and a non-wheel side, the wheel side being a side of the linear motor unit opposite to the corresponding wheel;
and an elastic unit disposed at the non-wheel side of the linear motor unit and connected to the linear motor unit.
2. The electromagnetic suspension of a vehicle according to claim 1, characterized in that the elastic unit is arranged on a side of the linear motor unit adjacent to a longitudinal axis of the vehicle, the longitudinal axis being a central axis of the vehicle extending in a longitudinal direction of the vehicle.
3. The electromagnetic suspension of a vehicle according to claim 1, characterized in that a portion of the elastic unit is mounted in the vehicle body.
4. The electromagnetic suspension of a vehicle according to claim 3, characterized in that the electromagnetic suspension located at a front portion of the vehicle is a front electromagnetic suspension, a part of the elastic unit of which is mounted in a front cabin of the vehicle body.
5. The electromagnetic suspension of a vehicle according to claim 1, wherein the linear motor unit further comprises a first working cylinder connected to a lower side of the linear motor, the first working cylinder comprising a first cylinder body and a piston provided in the first cylinder body to divide an inner cavity of the first cylinder body into a first cavity and a second cavity, the first cavity being located above the second cavity, the lower end of the mover assembly being located in the first cylinder body and connected to the piston;
the elastic unit comprises a hydro-pneumatic spring, the hydro-pneumatic spring comprises a second working cylinder, the second working cylinder comprises a second cylinder body and a diaphragm, the diaphragm is arranged in the second cylinder body to divide an inner cavity of the second cylinder body into an air cavity and an oil cavity, and the second cylinder body is connected with the first cylinder body and the oil cavity is communicated with the second cavity.
6. The electromagnetic suspension of claim 5 wherein said second operating cylinder is mounted within said body.
7. The electromagnetic suspension of a vehicle according to claim 6, characterized in that the electromagnetic suspension located in a front portion of the vehicle is a front electromagnetic suspension, the second cylinder of the front electromagnetic suspension being mounted in a front cabin of the vehicle body.
8. The electromagnetic suspension of claim 5, further comprising an air reservoir coupled to the second cylinder and adapted to communicate with the air chamber, the air reservoir being mounted within the body.
9. The electromagnetic suspension of claim 8, wherein a second connecting pipe is connected between the air tank and the second cylinder, the second connecting pipe is adapted to communicate the air chamber with the air tank, and a first control valve is provided on the second connecting pipe and is used for controlling on-off of the second connecting pipe.
10. The electromagnetic suspension of claim 8, wherein a third connecting pipe is connected to the second cylinder, the third connecting pipe is adapted to communicate the air chamber with the external environment, and a second control valve is provided on the third connecting pipe, and the second control valve is used for controlling on-off of the third connecting pipe.
11. A vehicle, characterized by comprising: electromagnetic suspension according to any one of claims 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310360121.6A CN117656737A (en) | 2023-03-31 | 2023-03-31 | Electromagnetic suspension of vehicle and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310360121.6A CN117656737A (en) | 2023-03-31 | 2023-03-31 | Electromagnetic suspension of vehicle and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117656737A true CN117656737A (en) | 2024-03-08 |
Family
ID=90067015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310360121.6A Pending CN117656737A (en) | 2023-03-31 | 2023-03-31 | Electromagnetic suspension of vehicle and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117656737A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3085796A (en) * | 1959-05-13 | 1963-04-16 | Volvo Ab | Hydropneumatic suspension and damping device for vehicles |
| CN103032503A (en) * | 2012-12-31 | 2013-04-10 | 江苏大学 | Semi-active suspension energy feedback device of hybrid electric vehicle |
| CN106321718A (en) * | 2016-09-12 | 2017-01-11 | 西安科技大学 | Self-powered type vehicle active suspension and coordinated control method thereof |
| CN207921204U (en) * | 2018-02-09 | 2018-09-28 | 河南理工大学 | A kind of double diaphragm air compression dampers |
| WO2021006067A1 (en) * | 2019-07-11 | 2021-01-14 | 日立オートモティブシステムズ株式会社 | Electric linear actuator |
| CN115853947A (en) * | 2022-11-18 | 2023-03-28 | 浙江万向马瑞利减震器有限公司 | Height-adjustable shock absorber |
-
2023
- 2023-03-31 CN CN202310360121.6A patent/CN117656737A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3085796A (en) * | 1959-05-13 | 1963-04-16 | Volvo Ab | Hydropneumatic suspension and damping device for vehicles |
| CN103032503A (en) * | 2012-12-31 | 2013-04-10 | 江苏大学 | Semi-active suspension energy feedback device of hybrid electric vehicle |
| CN106321718A (en) * | 2016-09-12 | 2017-01-11 | 西安科技大学 | Self-powered type vehicle active suspension and coordinated control method thereof |
| CN207921204U (en) * | 2018-02-09 | 2018-09-28 | 河南理工大学 | A kind of double diaphragm air compression dampers |
| WO2021006067A1 (en) * | 2019-07-11 | 2021-01-14 | 日立オートモティブシステムズ株式会社 | Electric linear actuator |
| CN115853947A (en) * | 2022-11-18 | 2023-03-28 | 浙江万向马瑞利减震器有限公司 | Height-adjustable shock absorber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101801695B (en) | Electromagnetic shock absorber for vehicle | |
| CN104626964B (en) | The integrated electric wheel of integrated driving, braking, suspension and turning function | |
| US9145039B2 (en) | Height adjustment for vehicles with air spring and vibration damper | |
| CN103591206B (en) | The valve assembly body of vibration damper | |
| JP3538364B2 (en) | shock absorber | |
| CN104613123B (en) | Two-stage pressure type hydro-pneumatic spring and working method | |
| CN112283281B (en) | Damping adjusting valve and method for vibration absorber | |
| US5678808A (en) | Suspension strut assembly | |
| CN101240828B (en) | Variable damping force valve of shock absorber | |
| WO2010054166A2 (en) | Adjustable monotube shock absorber | |
| CN103802626A (en) | Vehicle suspension system | |
| CN103765034A (en) | Pneumatic spring device for a motor vehicle | |
| CN105443636A (en) | Mixed communication type oil-gas shock attenuation device | |
| CN107429772A (en) | The damping air spring of axle/suspension system and the combination of damper for heavy vehicle | |
| CN1246416A (en) | Vibration damper with oil-gas spring for vehicles | |
| CN101860124A (en) | Hub shock absorption motor system | |
| CN102913588A (en) | Semi-active suspension | |
| CN117656737A (en) | Electromagnetic suspension of vehicle and vehicle | |
| CN113330229B (en) | Gas spring and damper assembly and suspension system including same | |
| JPS62251220A (en) | Buffer | |
| CN112576680A (en) | Shock absorber and vehicle | |
| CN2723765Y (en) | Double oil cylinder variable damping rear damper | |
| KR100204904B1 (en) | Magnetic type shock absorber for vehicle | |
| CN2365455Y (en) | Spring vibration-damper using both gas and oil for vehicle | |
| CN211343837U (en) | Stable hydraulic shock absorber for electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |