CN110848304A - Permanent magnet automobile damping system - Google Patents
Permanent magnet automobile damping system Download PDFInfo
- Publication number
- CN110848304A CN110848304A CN201910908171.7A CN201910908171A CN110848304A CN 110848304 A CN110848304 A CN 110848304A CN 201910908171 A CN201910908171 A CN 201910908171A CN 110848304 A CN110848304 A CN 110848304A
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- CN
- China
- Prior art keywords
- coil
- permanent magnet
- control circuit
- electromagnetic force
- damping
- 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.)
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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
- F16F6/00—Magnetic springs; Fluid magnetic springs, i.e. magnetic spring combined with a fluid
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/002—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion characterised by the control method or circuitry
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Vehicle Body Suspensions (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a permanent magnet automobile damping system, which comprises: the damping device comprises an upper supporting plate (1), a piston rod (2), a coil control circuit 1 (3), a magnetic isolation material (4), a permanent magnet (5), a coil 1 (6), a lower supporting plate (7), a cylinder body (8), a middle supporting block (9), a coil control circuit 2 (10), a coil 2 (11), a damping spring (12), a wire harness 1 (13) and a wire harness 2 (14). The permanent magnet automobile damping system disclosed by the invention can adaptively change the electromagnetic force of the damping system according to different speeds of an automobile during running, so that the damping effect of the whole damping system is changed, and the problems that the conventional suspension of the automobile is fixed in single spring stiffness, and the damping performance on different road surfaces is unstable, so that the damping system cannot adapt to different road surfaces are solved.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to a permanent magnet automobile damping system.
Background
The automobile shock absorption system is a mechanical shock absorption part for connecting an automobile body, an axle and wheels, and a shock absorption spring is mounted in an automobile suspension system in order to reduce the shock degree of the automobile body and improve the riding comfort and smoothness of an automobile. However, the existing damping spring is generally fixed on a suspension system, and the rigidity is fixed and cannot be adjusted. Under different road surface conditions, the conventional damping spring has single rigidity, and the damping performance can not meet the requirement of an automobile on the damping effect.
Therefore, the invention provides a damping system which has adjustable rigidity and stable damping performance, can be suitable for different road surfaces and meets the requirements of smoothness and comfort of an automobile, and aims to solve the problems in urgent need.
Disclosure of Invention
Aiming at the prior art, the invention aims to solve the problems that the damping performance of the automobile damping spring is unstable and the automobile damping spring cannot be suitable for different road surfaces in the damping process of the automobile damping spring on different road surfaces in the prior art. Therefore, the damping system is adjustable in rigidity, stable in damping performance, suitable for different road surfaces and capable of meeting requirements of smoothness and comfort of automobiles.
In order to achieve the purpose, the invention provides a permanent magnet automobile damping system which is characterized by comprising an upper supporting plate, a piston rod, a coil control circuit 1, a magnetic isolation material, a permanent magnet, a coil 1, a lower supporting plate, a cylinder body, a middle supporting block, a coil control circuit 2, a coil 2, a damping spring, a wire harness 1 and a wire harness 2.
Preferably, the upper support plate and the piston rod are rigidly connected.
Preferably, the middle support block is fixed on the upper support plate; the lower supporting plate is fixed on the cylinder body.
Preferably, the upper surface of the damping spring is connected with the middle supporting block, and the lower surface of the damping spring is embedded into the lower supporting plate.
Preferably, the magnetism isolating material is fixed on the cylinder body, the permanent magnet is fixed on the magnetism isolating material, and magnetic leakage is reduced through the magnetism isolating material.
Preferably, the coil 1, the wire harness 1 and the coil control circuit 1 form a loop, and are fixed on the middle supporting block.
Preferably, the coil 2, the wire harness 2 and the coil control circuit 2 form a loop, and are all fixed on the middle support block.
Preferably, the coil control circuit 1 includes a current-limiting resistor and a voltage-stabilizing diode therein, and when the spring vibrates at a low speed and at a high speed, the voltage-stabilizing diode is turned on, and the coil control circuit 1 and the coil 1 form a loop.
Preferably, the coil control circuit 2 includes a current-limiting resistor and a voltage-stabilizing diode therein, and when the spring vibrates at a high speed, the voltage-stabilizing diode is turned on, and the coil control circuit 2 and the coil 2 form a loop.
Preferably, when the spring vibrates at a low speed, the magnetic flux inside the coil 1 and the coil 2 changes, the coil 1 and the coil 2 generate induced electromotive force, the coil control circuit 1 controls the circuit to be conducted, the coil 1 forms induced current, the induced current is in the magnetic field of the permanent magnet according to the law of electromagnetic force, electromagnetic force is generated, and the electromagnetic force acts on the coil 1.
Preferably, when the spring vibrates at a high speed, magnetic flux inside the coil 1 and the coil 2 changes, the coil 1 and the coil 2 generate induced electromotive force, the coil control circuit 1 and the coil control circuit 2 simultaneously control the circuit to be conducted, induced current is formed inside the coil 1, induced current is formed inside the coil 2, the induced current is in a magnetic field of the permanent magnet according to an electromagnetic force law, the coil 1 and the coil 2 generate electromagnetic force, and the electromagnetic force acts on the coil 1 and the coil 2.
According to the technical scheme, the upper supporting plate and the piston rod are rigidly connected. The middle supporting block is fixed on the upper supporting plate; the lower supporting plate is fixed on the cylinder body. The upper surface of the damping spring is connected with the middle supporting block, and the lower surface of the damping spring is embedded into the lower supporting plate. The magnetic isolation material is fixed on the cylinder body, the permanent magnet is fixed on the magnetic isolation material, and magnetic leakage is reduced through the magnetic isolation material. The coil 1, the wire harness 1 and the coil control circuit 1 form a loop and are all fixed on the middle supporting block. The coil 2, the wire harness 2 and the coil control circuit 2 form a loop and are all fixed on the middle supporting block. The coil control circuit 1 internally comprises a current-limiting resistor and a voltage-stabilizing diode, when the spring vibrates at a low speed and at a high speed, the voltage-stabilizing diode is conducted, and the coil control circuit 1 and the coil 1 form a loop. The coil control circuit 2 internally comprises a current-limiting resistor and a voltage-stabilizing diode, when the spring vibrates at a high speed, the voltage-stabilizing diode is conducted, and the coil control circuit 2 and the coil 2 form a loop. When the spring vibrates at a low speed, magnetic fluxes in the coil 1 and the coil 2 change, the coil 1 and the coil 2 generate induced electromotive force, the coil control circuit 1 is conducted, the coil 1 forms induced current, the induced current is in a magnetic field of the permanent magnet according to an electromagnetic force law, electromagnetic force is generated, and the electromagnetic force acts on the coil 1. When the spring vibrates at a high speed, magnetic fluxes in the coil 1 and the coil 2 change, the coil 1 and the coil 2 generate induced electromotive force, the coil control circuit 1 and the coil control circuit 2 simultaneously control the conduction of a loop, induced current is formed in the coil 1, induced current is formed in the coil 2, the induced current is in a magnetic field of a permanent magnet according to an electromagnetic force law, the coil 1 and the coil 2 generate electromagnetic force, and the electromagnetic force acts on the coil 1 and the coil 2. When the spring is in different states of low-speed vibration and high-speed vibration, the coil 1 and the coil 2 change the electrified state, so that the size of borne electromagnetic force is changed, and the rigidity of the whole damping system is changed. The shock absorption device is suitable for different driving roads and keeps the stability of shock absorption.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a permanent magnet shock absorption system for an automobile according to a preferred embodiment of the present invention.
Description of the reference numerals
1 upper support plate 2 piston rod 3 coil control circuit 14 magnetic isolation material
5 permanent magnet 6 coil 17 lower support plate 8 cylinder 9 middle support block
10 coil control circuit 211 coil 212 damping spring 13 wire harness 114 wire harness 2.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Referring to fig. 1, the invention provides a permanent magnet automobile shock absorption system, wherein an upper support plate (1) and a piston rod (2) are rigidly connected. The middle supporting block (9) is fixed on the upper supporting plate (1); the lower supporting plate (7) is fixed on the cylinder body (8). The upper surface of the damping spring (12) is connected with the middle supporting block (9), and the lower surface is embedded into the lower supporting plate (7). The magnetic isolation material (4) is fixed on the cylinder body (8), the permanent magnet (5) is fixed on the magnetic isolation material (4), and magnetic leakage is reduced through the magnetic isolation material (4). The coil 1 (6), the wire harness 1 (13) and the coil control circuit 1 (3) form a loop and are fixed on the middle supporting block (9). The coil 2 (11), the wire harness 2 (14) and the coil control circuit 2 (10) form a loop, and are fixed on the middle supporting block (9). The coil control circuit 1 (3) internally comprises a current limiting resistor and a voltage stabilizing diode, the voltage stabilizing diode is conducted when the spring (12) vibrates at a low speed and at a high speed, and the coil control circuit 1 (3) and the coil 1 (6) form a loop. The coil control circuit 2 (10) comprises a current limiting resistor and a voltage stabilizing diode inside, when the spring (12) vibrates at high speed, the voltage stabilizing diode is conducted, and the coil control circuit 2 (10) and the coil 2 (11) form a loop. When the spring (12) vibrates at a low speed, the magnetic flux inside the coil 1 (6) and the coil 2 (11) changes, the coil 1 (6) and the coil 2 (11) generate induced electromotive force, the coil control circuit 1 (3) is conducted, the coil 1 (6) forms induced current, the induced current is in the magnetic field of the permanent magnet (5) according to the law of electromagnetic force, electromagnetic force is generated, and the electromagnetic force acts on the coil 1 (6). When the spring (12) vibrates at a high speed, the magnetic flux in the coil 1 (6) and the coil 2 (11) changes, the coil 1 (6) and the coil 2 (11) generate induced electromotive force, the coil control circuit 1 (3) and the coil control circuit 2 (10) are simultaneously conducted, the coil 1 (6) forms induced current inside, the coil 2 (11) forms induced current inside, the induced current is known to be in the magnetic field of the permanent magnet (5) according to the law of electromagnetic force, the coil 1 (6) and the coil 2 (11) generate electromagnetic force, and the electromagnetic force acts on the coil 1 (6) and the coil 2 (11). When the spring (12) is in different states of low-speed vibration and high-speed vibration, the coils 1 (6) and 2 (11) change the electrified state, so that the magnitude of the borne electromagnetic force is changed, and the rigidity of the whole damping system is changed. The shock absorption device is suitable for different driving roads and keeps the stability of shock absorption.
In the case known in the art, the intermediate support block (9) is fixed to the upper support plate (1) and the lower support plate (7) is fixed to the cylinder (8). In a specific embodiment of the invention, the connection of the middle supporting block (9) and the upper supporting plate (1) is detachable. The disassembly and connection is easy to realize the installation, subsequent maintenance and use of the damping spring system.
The upper support plate (1) and the piston rod (2) are rigidly connected as is known in the art. The connection between the upper supporting plate (1) and the piston rod (2) is detachable, and the detachable connection is easy to realize the installation, subsequent maintenance and use of a damping spring system.
In the case of the known damping springs (12), the intermediate support block (9) is connected to the upper side and the lower support plate (7) is inserted to the lower side. The damping spring (12) realizes a damping function under the action of electromagnetic force and is a conventional damping spring.
In the case of the known art, the magnetic barrier material (4) is fixed to the cylinder (8) and the permanent magnet (5) is fixed to the magnetic barrier material (4) to reduce magnetic leakage through the magnetic barrier material (4). The permanent magnet (5) is a tile-structured permanent magnet.
The coil 1 (6), the wire harness 1 (13) and the coil control circuit 1 (3) are fixed to the intermediate support block (9) to form a loop, as is well known in the art. The coils 1 (6) are in the magnetic field of the permanent magnet (5), cut the magnetic induction lines of the permanent magnet (5) and generate induced electromotive force, induced current and electromagnetic torque.
The coil 2 (11), the wire harness 2 (14) and the coil control circuit 2 (10) are fixed to the intermediate support block (9) to form a loop, as is well known in the art. The coils 2 (11) are in the magnetic field of the permanent magnet (5), cut the magnetic induction lines of the permanent magnet (5) and generate induced electromotive force, induced current and electromagnetic torque.
Under the condition of the prior art, when the spring (12) vibrates at a low speed, the magnetic flux inside the coils 1 (6) and 2 (11) changes, the coils 1 (6) and 2 (11) generate induced electromotive force, the control circuit 1 (3) of the coils is conducted, the coils 1 (6) form induced current, the induced current is in the magnetic field of the permanent magnet (5) according to the law of the electromagnetic force, electromagnetic force is generated, and the electromagnetic force acts on the coils 1 (6).
Under the condition of the prior art, when the spring (12) vibrates at a high speed, the magnetic flux in the coil 1 (6) and the coil 2 (11) changes, the coil 1 (6) and the coil 2 (11) generate induced electromotive force, the coil control circuit 1 (3) and the coil control circuit 2 (10) are simultaneously conducted, the coil 1 (6) forms induced current inside, the coil 2 (11) forms induced current inside, the induced current is in the magnetic field of the permanent magnet (5) according to the law of electromagnetic force, the coil 1 (6) and the coil 2 (11) generate electromagnetic force, and the electromagnetic force acts on the coil 1 (6) and the coil 2 (11).
Under the condition that the spring (12) vibrates at a low speed, the magnetic flux inside the coils 1 (6) and 2 (11) changes, the coils 1 (6) and 2 (11) generate induced electromotive force, the control circuit 1 (3) of the coils is conducted, the coils 1 (6) form induced current, the induced current is in the magnetic field of the permanent magnet (5) according to the law of electromagnetic force, electromagnetic force is generated, and the electromagnetic force acts on the coils 1 (6). When the spring (12) vibrates at a high speed, the magnetic flux in the coil 1 (6) and the coil 2 (11) changes, the coil 1 (6) and the coil 2 (11) generate induced electromotive force, the coil control circuit 1 (3) and the coil control circuit 2 (10) are simultaneously conducted, the coil 1 (6) forms induced current inside, the coil 2 (11) forms induced current inside, the induced current is known to be in the magnetic field of the permanent magnet (5) according to the law of electromagnetic force, the coil 1 (6) and the coil 2 (11) generate electromagnetic force, and the electromagnetic force acts on the coil 1 (6) and the coil 2 (11). When the spring (12) is in different states of low-speed vibration and high-speed vibration, the coils 1 (6) and 2 (11) change the electrified state, so that the magnitude of the borne electromagnetic force is changed, and the rigidity of the whole damping system is changed. The shock absorption device is suitable for different driving roads and keeps the stability of shock absorption.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (9)
1. The permanent magnet automobile damping system is characterized by comprising an upper supporting plate (1), a piston rod (2), a coil control circuit 1 (3), a magnetic isolation material (4), a permanent magnet (5), a coil 1 (6), a lower supporting plate (7), a cylinder body (8), a middle supporting block (9), a coil control circuit 2 (10), a coil 2 (11), a damping spring (12), a wire harness 1 (13) and a wire harness 2 (14).
2. The permanent magnet automobile shock absorption system according to claim 1, wherein the upper support plate (1) and the piston rod (2) are rigidly connected; the middle supporting block (9) is fixed on the upper supporting plate (1); the lower supporting plate (7) is fixed on the cylinder body (8); the upper surface of the damping spring (12) is connected with the middle supporting block (9), and the lower surface is embedded into the lower supporting plate (7).
3. The permanent magnet automobile shock absorption system according to claim 1, wherein the magnetism isolating material (4) is fixed on the cylinder body (8), and the permanent magnet (5) is fixed on the magnetism isolating material (4), so that the magnetic leakage is reduced through the magnetism isolating material (4).
4. The permanent magnet vehicle damping system according to claim 1, wherein the coil 1 (6), the wire harness 1 (13) and the coil control circuit 1 (3) form a loop, and are fixed on the middle support block (9).
5. The permanent magnet vehicle damping system according to claim 1, wherein the coil 2 (11), the wire harness 2 (14) and the coil control circuit 2 (10) form a loop, all fixed to the middle support block (9).
6. The permanent magnet automobile shock absorption system according to claim 1, wherein the coil control circuit 1 (3) comprises a current limiting resistor and a voltage stabilizing diode inside, the voltage stabilizing diode is conducted when the spring (12) vibrates at low speed and at high speed, and the coil control circuit 1 (3) and the coil 1 (6) form a loop.
7. The permanent magnet automobile shock absorption system according to claim 1, wherein the coil control circuit 2 (10) comprises a current limiting resistor and a zener diode therein, the zener diode is conducted when the spring (12) vibrates at high speed, and the coil control circuit 2 (10) and the coil 2 (11) form a loop.
8. The permanent magnet automobile shock absorption system according to claim 1, wherein when the spring (12) vibrates at a low speed, the magnetic flux inside the coil 1 (6) and the coil 2 (11) changes, the coil 1 (6) and the coil 2 (11) generate induced electromotive force, the control circuit 1 (3) of the coil is conducted, the coil 1 (6) forms induced current, the induced current is in the magnetic field of the permanent magnet (5) according to the law of electromagnetic force, electromagnetic force is generated, and the electromagnetic force acts on the coil 1 (6).
9. The permanent magnet automobile shock absorption system according to claim 1, wherein when the spring (12) vibrates at a high speed, the magnetic flux inside the coil 1 (6) and the coil 2 (11) changes, the coil 1 (6) and the coil 2 (11) generate induced electromotive force, the coil control circuit 1 (3) and the coil control circuit 2 (10) are simultaneously controlled to be on, the coil 1 (6) internally generates induced current, the coil 2 (11) internally generates induced current, the induced current is in the magnetic field of the permanent magnet (5) according to the law of electromagnetic force, the coil 1 (6) and the coil 2 (11) generate electromagnetic force, and the electromagnetic force acts on the coil 1 (6) and the coil 2 (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910908171.7A CN110848304A (en) | 2019-09-25 | 2019-09-25 | Permanent magnet automobile damping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910908171.7A CN110848304A (en) | 2019-09-25 | 2019-09-25 | Permanent magnet automobile damping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110848304A true CN110848304A (en) | 2020-02-28 |
Family
ID=69596153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910908171.7A Pending CN110848304A (en) | 2019-09-25 | 2019-09-25 | Permanent magnet automobile damping system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110848304A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2278110Y (en) * | 1996-01-31 | 1998-04-08 | 赵韩 | Magnetic force shock-absorber |
| CN101818773A (en) * | 2009-02-26 | 2010-09-01 | 上海市七宝中学 | Shock absorber with controllable damping |
| CN103016589A (en) * | 2012-12-20 | 2013-04-03 | 南京航空航天大学 | Electromagnetic type energy feedback shock absorber based on Halbach permanent magnet array |
| CN104595402A (en) * | 2015-01-23 | 2015-05-06 | 西安交通大学 | Electromagnetic branch circuit damping vibration absorber adopting ring-shaped permanent magnet |
| CN204878490U (en) * | 2015-08-30 | 2015-12-16 | 潘秀兰 | Bumper shock absorber of electric motor car |
| KR101671009B1 (en) * | 2015-04-24 | 2016-11-01 | 한국철도기술연구원 | Damper and axial spring for railway car using eddy current damping property |
-
2019
- 2019-09-25 CN CN201910908171.7A patent/CN110848304A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2278110Y (en) * | 1996-01-31 | 1998-04-08 | 赵韩 | Magnetic force shock-absorber |
| CN101818773A (en) * | 2009-02-26 | 2010-09-01 | 上海市七宝中学 | Shock absorber with controllable damping |
| CN103016589A (en) * | 2012-12-20 | 2013-04-03 | 南京航空航天大学 | Electromagnetic type energy feedback shock absorber based on Halbach permanent magnet array |
| CN104595402A (en) * | 2015-01-23 | 2015-05-06 | 西安交通大学 | Electromagnetic branch circuit damping vibration absorber adopting ring-shaped permanent magnet |
| KR101671009B1 (en) * | 2015-04-24 | 2016-11-01 | 한국철도기술연구원 | Damper and axial spring for railway car using eddy current damping property |
| CN204878490U (en) * | 2015-08-30 | 2015-12-16 | 潘秀兰 | Bumper shock absorber of electric motor car |
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Application publication date: 20200228 |