CN206870897U - Automotive seat vibration absorber based on magnetic control shape memory alloy spring - Google Patents
Automotive seat vibration absorber based on magnetic control shape memory alloy spring Download PDFInfo
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- CN206870897U CN206870897U CN201720674258.9U CN201720674258U CN206870897U CN 206870897 U CN206870897 U CN 206870897U CN 201720674258 U CN201720674258 U CN 201720674258U CN 206870897 U CN206870897 U CN 206870897U
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- iron core
- upper shell
- barrel
- lower house
- shape memory
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- 229910001285 shape-memory alloy Inorganic materials 0.000 title claims abstract description 40
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000004952 Polyamide Substances 0.000 claims description 3
- 229920006351 engineering plastic Polymers 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 210000000481 breast Anatomy 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Vehicle Body Suspensions (AREA)
- Vibration Prevention Devices (AREA)
- Springs (AREA)
Abstract
The utility model discloses a kind of automotive seat vibration absorber based on magnetic control shape memory alloy spring, including upper shell, lower house, top iron core, bottom iron core and Coil Spring of Shape Memory Alloys, magnet exciting coil is wound with top iron core and bottom iron core.The rigidity of Coil Spring of Shape Memory Alloys is influenceed by magnetic field intensity, can change with the strong and weak change in magnetic field.The running car situation arrived by sensor collection, carry out electric current of the constantly regulate by magnet exciting coil, to change in real time the intensity in magnetic field so that spring rate changes with the change of automobile running working condition.Automotive seat vibration absorber of the present utility model can constantly adjust the rigidity of helical spring with the change of automobile running working condition, and so as to which the vibration that decayed improves the ride comfort of automobile, more comfortable environment is provided for passenger.
Description
Technical field
The utility model belongs to field of automobile, and in particular to a kind of based on magnetic control shape memory alloy spring
Automotive seat vibration absorber.
Background technology
With the fast development of automotive engineering, the riding comfort of automobile is more and more important.In order to improve the seating of automobile
Comfortableness, except improving road surface quality, to reduce outside vibration source, more important is make automobile good because vibration caused by road surface etc. has
Anti-vibration performance.On automobile in addition to the less tire of vibration isolation capability, the characteristic of suspension and seat, and they are mutually matched
It is highly important.Automotive seat is the part that people directly contacts with automobile, and it links together human body and vehicle body, and seat is set
The quality of meter directly affects the comfortable and safe of occupant.Automotive seat design is in addition to considering static comfortableness, it is also necessary to considers
Influence of the seat dynamic characteristic to human body.Therefore seat design seeks to reasonably select its vibration parameters, tries hard to reduction and passes to
The vibration acceleration of human body, avoid transmitting the vibration of the most sensitive frequency of people as far as possible.
At present, widely used helical spring is still that rigidity is constant on automotive seat, and this allows for the seat of automobile
Chair can only have optimal anti-vibration performance under some driving cycle, and optimal vibration isolation can not be obtained under other form operating modes
Performance, and the driving cycle of automobile is complicated, continually changing.In order to ensure that the riding comfort of automobile just needs solution two
Contradiction between person, therefore automotive seating art must have further raising.
The appearance of intellectual material provides new approaches to solve above-mentioned contradiction.Current commonly used intellectual material has shape note
Recall alloy, piezoelectric, magnetostriction materials, electromagnetic rheological fluid and the magnetic control shape memory alloy material for starting development in recent years
Material.There is a certain amount of theoretical research to Coil Spring of Shape Memory Alloys at present, Coil Spring of Shape Memory Alloys
Rigidity can change with the change of a certain physical environment, so as to realize the variable performance of spring rate.Magnetic control shape memory
Alloy helical spring, there is the performance controlled by magnetic field, disclosure satisfy that the requirement of variation rigidity.
Utility model content
Purpose of utility model：In order to overcome the deficiencies in the prior art, the utility model provides one kind and is based on magnetic control
The automotive seat vibration absorber of shape memory alloy spring, it is a kind of helical spring vibration absorber of variable rigidity, realizes automobile
Optimal anti-vibration performance can be obtained under various driving cycles, optimal comfortableness is provided for occupant.The utility model is wanted
The technical problem of solution is：Design a kind of seat damping device based on magnetic control shape memory alloy helical spring, it is possible to increase
The ride comfort and comfortableness of automobile.
Technical scheme：To achieve the above object, the technical solution adopted in the utility model is：
A kind of automotive seat vibration absorber based on magnetic control shape memory alloy spring, from top to bottom include what is be correspondingly arranged
Upper shell and lower house, the upper shell barrel are connected with the lower house barrel gap；
Top iron core is vertically fixed with inside the upper shell barrel, the upper surface of the top iron core is consolidated
It is scheduled on the upper shell barrel horizontal interior walls face；Bottom is vertically fixed with inside the lower house barrel
Iron core, the lower surface of the bottom iron core are fixed on the lower house barrel horizontal interior walls face；The top iron core and
Magnet exciting coil is wound with the bottom iron core；
Magnetic control shape memory alloy helical spring is installed between the upper shell and the lower house.
Further, the barrel of the lower house and the barrel of the upper shell are oppositely arranged, and described
The barrel of lower house is nested with the inside of the barrel of the upper shell, and the upper shell barrel and lower house
Barrel gap is connected.
Further, the magnetic control shape memory alloy helical spring is sleeved on outside the barrel of upper shell and lower house
Face, between upper shell and lower house, the installation length of helical spring is determined by upper-lower casing relative position.
Further, cylindrical portion of the magnetic control shape memory alloy helical spring in the upper shell and the lower house
Exceptionally side is symmetrical set.
Further, the top iron core, bottom iron core are correspondingly arranged at upper shell and lower house the bosom position
Put.
Further, the upper shell and lower house are manufactured by the engineering plastics including polyamide.Due to polyamide
The excellent performance such as high intensity, wear-resisting, the good, low-gravity of self lubricity, which disclosure satisfy that, to be actually needed.
Further, the barrel both sides inwall of the upper shell or lower house is provided with convex positioned at same level
The distance between block, the projection is more than the top iron core, the width of bottom iron core；When the barrel tip of lower house contacts institute
When stating the projection of upper shell, or when the barrel tip of the upper shell contacts the projection of the lower house, the top iron core, under
Portion's iron core does not contact.For limiting the maximum compressibility of helical spring, upper and lower iron core is avoided to collide.
The method of the above-mentioned automotive seat vibration absorber based on magnetic control shape memory alloy spring, comprises the following steps：
1) adjust the size of current passed through in magnet exciting coil in real time according to the driving cycle of automobile, change the power in magnetic field；
2) rigidity of magnetic control shape memory alloy spring is with the change real-time change of magnetic field intensity, so realize compression or
Uphold；
3) magnetic control shape memory alloy spring drives the relative or opposite direction motion up and down of upper shell and lower house.
Further, in step 1), by sensor collection running car situation, carry out constantly regulate and pass through magnet exciting coil
Electric current, change the intensity in magnetic field in real time so that spring rate changes with the change of automobile running working condition.
Beneficial effect：A kind of automotive seat vibration damping dress based on magnetic control shape memory alloy spring provided by the utility model
Put, compared with traditional automotive seat, the beneficial effects of the utility model are：
1. magnetic control shape memory alloy variable stiffness coil spring is applied to automotive seat by the utility model, with orthodox car
Seat is compared to that can realize there is more preferable vibration isolating effect under the various driving cycles of automobile, so as to reach preferably traveling smooth-going
Property.
2. the automotive seat of variation rigidity provides more preferable comfortableness for occupant, this is advantageous to alleviation long-duration driving and brought
Fatigue, improve security.
Brief description of the drawings
Fig. 1 is the automotive seat damping device structure schematic diagram based on magnetic control shape memory alloy spring.
Embodiment
Automotive seat vibration absorber of the present utility model based on magnetic control shape memory alloy spring, including upper shell, under
Excitation is wound with housing, top iron core, bottom iron core and Coil Spring of Shape Memory Alloys, top iron core and bottom iron core
Coil.The rigidity of Coil Spring of Shape Memory Alloys is influenceed by magnetic field intensity, can become with the strong and weak change in magnetic field
Change.The running car situation arrived by sensor collection, carry out electric current of the constantly regulate by magnet exciting coil, change magnetic field in real time
Intensity so that spring rate changes with the change of automobile running working condition.Automotive seat vibration absorber of the present utility model
The rigidity of helical spring can be constantly adjusted with the change of automobile running working condition, vibration improves automobile so as to decay
Ride comfort, more comfortable environment is provided for passenger.
The utility model is further described below in conjunction with the accompanying drawings.
It is a kind of automotive seat vibration absorber based on magnetic control shape memory alloy spring as shown in Figure 1, including upper shell
1st, lower house 2, upper shell 1 and lower house 2 are manufactured by engineering plastics, and both barrels are staggered relatively and gap coordinates
Together, can be relatively moved when spring-compressed and extension.
Top iron core 3 is fixed with inside the barrel of upper shell 1, bottom iron core is fixed with inside the barrel of lower house 2
4, be wound with magnet exciting coil 5 on top iron core 3 and bottom iron core 4, the size of current in magnet exciting coil 5 can by controller come
Actively adjust, the electric current in magnet exciting coil 5 is bigger, stronger by magnetic field caused by iron core 3,4.Electric current root in magnet exciting coil 5
The real-time change according to the automobile running working condition that automobile sensor is collected into, realize the real-time change of the surrounding magnetic field of helical spring 6.
Magnetic control shape memory alloy helical spring 6, its rigidity are set with outside the barrel of upper shell 1 and lower house 2
It can change with the change of ambient magnetic field strength, so that what automobile can have under the driving cycle of various change
Vibration isolating effect.
The barrel both sides inwall of upper shell 1 or lower house 2, which is provided with, is located at same level upper protruding block, between projection
Distance be more than top iron core 3, the width of bottom iron core 4；When the barrel tip of lower house 2 contacts the projection of upper shell 1, or
During the projection of the barrel tip contact lower house 2 of upper shell 1, top iron core 3, bottom iron core 4 do not contact.
The method of work of automotive seat vibration absorber of the present utility model based on magnetic control shape memory alloy spring, including
Following steps：
1) by sensor collection running car situation, adjusted in magnet exciting coil 5 and led in real time according to the driving cycle of automobile
The size of current crossed, change the power in magnetic field；
2) rigidity of magnetic control shape memory alloy spring 6 is with the change real-time change of magnetic field intensity, and then realizes compression
Or uphold；
3) magnetic control shape memory alloy spring 6 drives the relative or opposite direction motion about 2 of upper shell 1 and lower house.
Described above is only preferred embodiment of the present utility model, it should be pointed out that：For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (7)
- A kind of 1. automotive seat vibration absorber based on magnetic control shape memory alloy spring, it is characterised in that：From top to bottom include The upper shell (1) and lower house (2) being correspondingly arranged, between upper shell (1) barrel and the lower house (2) barrel Gap is connected；Vertically be fixed with top iron core (3) inside upper shell (1) barrel, the top iron core (3) it is upper Surface is fixed on the upper shell (1) barrel horizontal interior walls face；Along Vertical Square inside lower house (2) barrel To bottom iron core (4) is fixed with, the lower surface of the bottom iron core (4) is fixed in the lower house (1) barrel level On wall；Magnet exciting coil (5) is wound with the top iron core (3) and the bottom iron core (4)；Magnetic control shape memory alloy helical spring (6) is installed between the upper shell (1) and the lower house (2).
- 2. the automotive seat vibration absorber according to claim 1 based on magnetic control shape memory alloy spring, its feature exist In：The barrel and the barrel of the upper shell (1) of the lower house (2) are oppositely arranged, and the lower house (2) Barrel be nested with the inside of the barrel in the upper shell (1), and the upper shell barrel and lower house cylinder Shape portion gap is connected.
- 3. the automotive seat vibration absorber according to claim 1 based on magnetic control shape memory alloy spring, its feature exist In：The magnetic control shape memory alloy helical spring (6) is sleeved on outside the barrel of upper shell (1) and lower house (2), position Between upper shell (1) and lower house (2), the installation length of helical spring is determined by upper-lower casing relative position.
- 4. the automotive seat vibration absorber according to claim 1 based on magnetic control shape memory alloy spring, its feature exist In：The magnetic control shape memory alloy helical spring (6) is outside the barrel of the upper shell (1) and the lower house (2) Side is symmetrical set.
- 5. the automotive seat vibration absorber according to claim 1 based on magnetic control shape memory alloy spring, its feature exist In：The top iron core (3), bottom iron core (4) are correspondingly arranged at the upper shell (1) and lower house (2) bosom position.
- 6. the automotive seat vibration absorber according to claim 1 based on magnetic control shape memory alloy spring, its feature exist In：The upper shell (1) and lower house (2) are manufactured by the engineering plastics including polyamide.
- 7. the automotive seat vibration absorber according to claim 1 based on magnetic control shape memory alloy spring, its feature exist In：The barrel both sides inwall of the upper shell (1) or lower house (2), which is provided with, is located at same level upper protruding block, described The distance between projection is more than the top iron core (3), the width of bottom iron core (4)；When the barrel tip of lower house (2) contacts It is described during the projection of the upper shell (1), or during the projection of the barrel tip contact lower house (2) of the upper shell (1) Top iron core (3), bottom iron core (4) do not contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720674258.9U CN206870897U (en) | 2017-06-12 | 2017-06-12 | Automotive seat vibration absorber based on magnetic control shape memory alloy spring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720674258.9U CN206870897U (en) | 2017-06-12 | 2017-06-12 | Automotive seat vibration absorber based on magnetic control shape memory alloy spring |
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| Publication Number | Publication Date |
|---|---|
| CN206870897U true CN206870897U (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720674258.9U Active CN206870897U (en) | 2017-06-12 | 2017-06-12 | Automotive seat vibration absorber based on magnetic control shape memory alloy spring |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107161053A (en) * | 2017-06-12 | 2017-09-15 | 南京航空航天大学 | Automotive seat vibration absorber and method based on magnetic control shape memory alloy spring |
| CN110525294A (en) * | 2019-09-09 | 2019-12-03 | 太原科技大学 | A kind of engineering truck 4SRS+SP Three-dimensional Parallel shock absorbing seat structure |
| CN113562180A (en) * | 2021-09-07 | 2021-10-29 | 吉林大学 | Aviation seat energy absorption device based on shape memory alloy |
-
2017
- 2017-06-12 CN CN201720674258.9U patent/CN206870897U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107161053A (en) * | 2017-06-12 | 2017-09-15 | 南京航空航天大学 | Automotive seat vibration absorber and method based on magnetic control shape memory alloy spring |
| CN110525294A (en) * | 2019-09-09 | 2019-12-03 | 太原科技大学 | A kind of engineering truck 4SRS+SP Three-dimensional Parallel shock absorbing seat structure |
| CN113562180A (en) * | 2021-09-07 | 2021-10-29 | 吉林大学 | Aviation seat energy absorption device based on shape memory alloy |
| CN113562180B (en) * | 2021-09-07 | 2024-03-22 | 吉林大学 | Aviation seat energy absorbing device based on shape memory alloy |
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