CN214281185U - A Novel Electromagnetic Linear Feeding Semi-active Suspension - Google Patents
A Novel Electromagnetic Linear Feeding Semi-active Suspension Download PDFInfo
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- CN214281185U CN214281185U CN202023012312.4U CN202023012312U CN214281185U CN 214281185 U CN214281185 U CN 214281185U CN 202023012312 U CN202023012312 U CN 202023012312U CN 214281185 U CN214281185 U CN 214281185U
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- 239000000725 suspension Substances 0.000 title claims abstract description 43
- 238000004804 winding Methods 0.000 claims abstract description 28
- 239000006096 absorbing agent Substances 0.000 claims abstract description 16
- 230000035939 shock Effects 0.000 claims abstract description 16
- 239000000428 dust Substances 0.000 claims description 8
- 230000005389 magnetism Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 10
- 230000006698 induction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013433 optimization analysis Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
本实用新型涉及汽车悬架系统技术领域，公开了一种新型电磁直线馈能式半主动悬架，包括弹簧上座、弹簧下座以及设于两者之间的弹簧，弹簧上座下表面竖直固定有线圈骨架，线圈骨架内部中空，且其与减振器活塞工作缸同轴布置，线圈骨架上端与活塞杆固定，活塞杆滑动连接于活塞工作缸内，活塞工作缸外径小于线圈骨架内径，线圈骨架下端间隔设置有多道环槽，环槽内布置有线圈绕组；弹簧下座上表面设置固定有外磁轭，外磁轭内壁设有永磁体阵列，永磁体阵列内壁与线圈骨架外壁之间设有气隙；线圈骨架及外磁轭均贯穿于弹簧内。与现有技术相比，本实用新型结构稳定，传动效率高，馈能潜力大的电磁直线馈能悬架。
The utility model relates to the technical field of automobile suspension systems, and discloses a novel electromagnetic linear energy-feeding type semi-active suspension, which comprises a spring upper seat, a spring lower seat and a spring arranged between the two. The lower surface of the spring upper seat is vertically fixed There is a coil skeleton, the interior of the coil skeleton is hollow, and it is arranged coaxially with the shock absorber piston working cylinder, the upper end of the coil skeleton is fixed with the piston rod, the piston rod is slidably connected in the piston working cylinder, and the outer diameter of the piston working cylinder is smaller than the inner diameter of the coil skeleton. The lower end of the coil frame is provided with a plurality of ring grooves at intervals, and the coil windings are arranged in the ring groove; the upper surface of the lower spring seat is fixed with an outer magnetic yoke, and the inner wall of the outer magnetic yoke is provided with a permanent magnet array, and the inner wall of the permanent magnet array and the outer wall of the coil frame are arranged. There is an air gap between them; the coil bobbin and the outer magnetic yoke all run through the spring. Compared with the prior art, the utility model has the advantages of stable structure, high transmission efficiency and large electromagnetic linear energy-feeding suspension.
Description
Technical Field
The utility model relates to an automotive suspension system technical field, concretely relates to novel electromagnetism straight line is presented can half initiative suspension of formula.
Background
With the advancement of the times and the more mature scientific and technological fields, a great deal of new ideas are put forward and applied to the reality. Nowadays, people have more and more demands on automobiles, the market scale of the automobiles is gradually enlarged, and the automobiles become one of important transportation tools for people to go out. In the traditional automobile driving process, energy generated by vibration of the automobile is consumed, and in order to improve energy recycling and improve the driving comfort of the automobile on the road surface, researchers provide an energy feedback suspension structure. The energy feedback suspension frame effectively reduces the vibration of the vehicle generated by the ground in the driving process through the damping of the energy feedback suspension frame, and meanwhile, the energy can be recovered in the vibration process, so that the utilization efficiency of energy is improved. The energy feedback shock absorber plays an important role in the electromagnetic linear energy feedback suspension, is a main energy feedback component of the energy feedback suspension, has a working principle different from that of a traditional shock absorber, and moves up and down through the inner core to obtain vibration energy. Regenerative suspension systems are still under investigation and have not been put into use in the automotive market, and various attempts have been made by many scholars. The traditional energy feedback suspension is unstable in structure, low in transmission efficiency and small in potential.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: to the problem that exists among the prior art, the utility model provides a novel electromagnetism straight line is presented can half initiative suspension of formula, its stable in structure, and transmission efficiency is high, presents can the electromagnetism straight line that the potentiality is big and present can the suspension.
The technical scheme is as follows: the utility model provides a novel electromagnetism straight line energy feedback type semi-active suspension, including the spring upper seat, the spring lower seat and the spring between the spring upper seat and the spring lower seat, the vertical fixed coil skeleton of spring upper seat lower surface, coil skeleton inside cavity, and it and shock absorber piston working cylinder coaxial arrangement, coil skeleton upper end and piston rod fixed, the piston rod sliding connection in the piston working cylinder, the piston working cylinder external diameter is less than the coil skeleton internal diameter, coil skeleton lower extreme interval is provided with the multichannel annular, arrange coil winding in the annular; an outer yoke is fixedly arranged on the upper surface of the lower spring seat, a permanent magnet array is arranged on the inner wall of the outer yoke, and an air gap is formed between the inner wall of the permanent magnet array and the outer wall of the coil framework; the coil framework and the outer yoke penetrate through the spring.
Further, the permanent magnet array is in a Halbach array mode.
Further, the height of the permanent magnet array is H, and the height of the axially magnetized magnetic ring is H1The height of the radial magnetized magnetic ring is h2The axially magnetized magnetic rings and the radially magnetized magnetic rings form a pair of magnetic ring groups, and the permanent magnet array comprises NMagnetic fieldFor the magnetic ring group and 1 magnetic ring charged axially, the height of adjacent coil windings is h3The gap of the coil winding is h4The number of coil windings NThreadThe total height of the coil frame wound with the coil winding is HThreadThe following relationships among the parameters are required:
Hthread＝(h3+h4)×NThread+h3；
H＝(h1+h2)×NMagnetic field+h1。
Further, the height h of the axially magnetized magnetic ring1Radial magnetized magnetic ring height h2Height h of coil winding3Gap h of coil winding4The following requirements are met: h is1+h2＝h3+h4。
Further, the outer diameter of the permanent magnet array is D, and the outer diameter of the piston working cylinder is DCylinderThe radial thickness of the bobbin is dThreadRadial thickness of the permanent magnet array is dMagnetic fieldThe thickness of an air gap between the inner wall of the permanent magnet array and the outer wall of the coil framework is delta, and the delta needs to meet the following requirements: d/2- (D)Cylinder/2+dThread+dMagnetic field)。
Further, the permanent magnet array is fixed with the inner wall of the outer yoke through self magnetism or adhesive.
Furthermore, the cylinder opening of the piston working cylinder is flush with the end face of the upper end of the permanent magnet array.
Furthermore, lifting lugs are fixed on the upper surface of the upper spring seat and the lower surface of the lower spring seat.
Furthermore, a dust cover is arranged between the spring and the outer yoke, and a gap is arranged between the dust cover and the outer yoke.
Has the advantages that:
1. the utility model relates to a novel electromagnetism straight line is presented can device has good and presents can the effect, can reduce the waste of energy with the energy recuperation of automobile vibration.
2. The utility model discloses a present can suspension device arrange bumper shock absorber working cylinder (piston working cylinder) periphery in, need not to change the original size of bumper shock absorber and do not influence the working stroke of bumper shock absorber. The coil winding on the coil framework is driven to cut the magnetic induction line to move by utilizing the up-and-down movement of the piston rod, so that induced electromotive force is obtained to feed energy, and compared with other suspension energy feeding devices, the energy feeding mode is more direct, and the energy feeding efficiency is better.
3. The utility model relates to a novel electromagnetism straight line is presented can half initiative suspension of formula and has the active control function, can deal with different road conditions and make active control make the vehicle have better ride comfort.
4. The utility model relates to a novel electromagnetism straight line is presented can device compact structure, simple installation, can install and need not to change the suspension structure on traditional suspension, need not to occupy other spaces of vehicle, and the device cost is lower relatively, and later maintenance is simple.
Drawings
Fig. 1 is an appearance diagram of a novel electromagnetic linear energy-feedback type semi-active suspension structure related to the present invention;
fig. 2 is a cross-sectional view of the structure of the novel electromagnetic linear energy-feedback type semi-active suspension;
fig. 3 is a schematic diagram of relationship among various parameters in the novel electromagnetic linear energy feedback type semi-active suspension.
The device comprises an upper lifting lug 1, a spring upper seat 2, a spring 3, a coil skeleton 4, an outer yoke 5, a spring lower seat 6, a lower lifting lug 7, a piston rod 8, an air gap 9, a piston working cylinder 10, a permanent magnet array 11 and a coil winding 12.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The utility model discloses a novel Electromagnetic linear energy feedback type semi-active suspension which is arranged on a shock absorber working cylinder and comprises an upper spring seat 2, a lower spring seat 6 and a spring 3 arranged between the upper spring seat 2 and the lower spring seat 6, wherein two ends of the spring 3 are respectively fixed on the lower surface of the upper spring seat 2 and the upper surface of the lower spring seat 6, a coil framework 4 is vertically fixed on the lower surface of the upper spring seat 2, the coil framework 4 is hollow and has a cylindrical structure and is coaxially arranged with the shock absorber piston working cylinder 10, the upper end of the coil framework is fixed with a piston rod 8, the piston rod 8 is slidably connected in the piston working cylinder 10, the outer diameter of the piston working cylinder 10 is smaller than the inner diameter of the coil framework 4, the lower end of the coil framework 4 is provided with a plurality of annular grooves at intervals, and coil windings 12 are arranged in the annular grooves. An outer yoke 5 is fixedly arranged on the upper surface of the lower spring seat 6, a permanent magnet array 11 is arranged on the inner wall of the outer yoke 5, and an air gap 9 is arranged between the inner wall of the permanent magnet array 11 and the outer wall of the coil framework 4. The bobbin 4 and the outer yoke 5 are both penetrated in the spring 3, see fig. 1 and 2.
When the vehicle shakes, the suspension frame carries out simple harmonic linear motion to drive the coil framework 4 and the piston rod 8 to carry out synchronous motion, so that the permanent magnet array 11 fixedly connected with the piston working cylinder 10 moves relatively, and the coil winding 12 cuts the magnetic induction lines in the permanent magnet array 11 to feed energy.
When a vehicle runs on the road and is impacted by an uneven road surface, the vehicle body and the vehicle axle are gradually close to each other, the shock absorber starts to be compressed due to the extrusion of the outside to the shock absorber, meanwhile, the piston rod 8 moves up and down along with the compression of the shock absorber, the coil framework 4 fixedly connected with the piston rod 8 also moves along with the compression, the damping of the shock absorber is small, the spring 3 can effectively alleviate the impact caused by the road surface, and the vibration generated after the spring 3 is compressed is suppressed by the shock absorber. When the piston rod 8 moves, the permanent magnet array 11 with a certain distance from the piston rod performs cutting magnetic induction line movement, so that induced electromotive force is obtained, energy recovered by vibration is converted into electric energy to be stored in an energy feedback circuit, and the energy is recovered and reused.
In this embodiment, the permanent magnet array 11 is in a Halbach array mode. When the electromagnetic linear energy feedback suspension is designed and arranged, starting from the overall structure size and the motion requirement of the suspension, firstly, the motion stroke of a piston rod in the suspension needs to be considered, and the motion stroke range of a coil winding 12 in the electromagnetic linear energy feedback suspension is ensured to be larger than the motion stroke of a shock absorber piston rod 8 by taking the motion stroke as a basic design parameter. In the design process, in consideration of the particularity of the Halbach array mode, the relative positions and the respective sizes of the permanent magnet array 11, the coil framework 4 and the coil winding 12 also need to meet a certain relationship.
The height of the permanent magnet array is H, and the permanent magnet array is axially magnetizedThe height of the magnetic ring is h1The height of the radial magnetized magnetic ring is h2The axially magnetized magnetic ring and the radially magnetized magnetic ring form a pair of magnetic ring groups, and the permanent magnet array 11 comprises NMagnetic fieldFor the magnetic ring group and 1 magnetic ring charged axially, the height of adjacent coil windings is h3The gap of the coil winding is h4The number of coil windings NThreadThe total height of the coil winding 12 wound on the coil framework 4 is HThreadThe following relationships among the parameters are required:
Hthread＝(h3+h4)×NThread+h3；
H＝(h1+h2)×NMagnetic field+h1。
Height h of axially magnetized magnetic ring1Radial magnetized magnetic ring height h2Height h of the coil winding 123A gap h of the coil winding 124The following requirements are met: h is1+h2＝h3+h4。
The movement stroke Δ H of the coil winding 12 is: Δ H ═ H-HThread＝(h1+h2)×(NMagnetic field-NThread)+(h1-h3)。
The outer diameter of the permanent magnet array 11 is D, and the outer diameter of the piston working cylinder 10 is DCylinderThe radial thickness of the bobbin 4 is dThreadThe radial thickness of the permanent magnet array 11 is dMagnetic fieldThe thickness of an air gap 9 between the inner wall of the permanent magnet array 11 and the outer wall of the coil framework 4 is delta, and the delta needs to meet the following requirements: d/2- (D)Cylinder/2+dThread+dMagnetic field). Wherein the diameter D of the piston cylinder 10 is limited by the inner diameter of the suspension spring 3CylinderCan be directly determined according to the type of the suspension, when D and DCylinderAfter determination, d is equivalent toThread+dMagnetic field+ δ is a constant value. The thickness delta of the air gap is an important parameter of the electromagnetic linear actuating device, the size of the air gap has important influence on the electromagnetic property of the device, and d can be designed in order to obtain better electromagnetic propertyThread、dMagnetic fieldAnd delta, carrying out optimization analysis on the three parameters so as to obtain the optimal parameter selection.
In this embodiment, the permanent magnet array 11 is fixed to the inner wall of the outer yoke 5 by its own magnetism or by an adhesive. The cylinder opening of the piston working cylinder 10 is flush with the upper end face of the permanent magnet array 11. Lifting lugs, namely an upper lifting lug 1 and a lower lifting lug 7, are fixed on the upper surface of the upper spring seat 2 and the lower surface of the lower spring seat 6 respectively. The upper lifting lug 1 and the lower lifting lug 7 are respectively used for being fixed on an automobile frame and an automobile hub shaft.
A dust cover (not shown in the figure) is arranged between the spring 3 and the outer yoke 5, a gap is arranged between the dust cover and the outer yoke 5, and the dust cover can play a role of dust prevention.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023012312.4U CN214281185U (en) | 2020-12-15 | 2020-12-15 | A Novel Electromagnetic Linear Feeding Semi-active Suspension |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023012312.4U CN214281185U (en) | 2020-12-15 | 2020-12-15 | A Novel Electromagnetic Linear Feeding Semi-active Suspension |
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| Publication Number | Publication Date |
|---|---|
| CN214281185U true CN214281185U (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023012312.4U Expired - Fee Related CN214281185U (en) | 2020-12-15 | 2020-12-15 | A Novel Electromagnetic Linear Feeding Semi-active Suspension |
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| Country | Link |
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| CN (1) | CN214281185U (en) |
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