CN110195763A - A kind of car electromagnetic damper - Google Patents
A kind of car electromagnetic damper Download PDFInfo
- Publication number
- CN110195763A CN110195763A CN201810157870.8A CN201810157870A CN110195763A CN 110195763 A CN110195763 A CN 110195763A CN 201810157870 A CN201810157870 A CN 201810157870A CN 110195763 A CN110195763 A CN 110195763A
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- Prior art keywords
- force
- damping force
- damping
- damper
- magnet
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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
- 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)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention relates to a kind of car electromagnetic dampers, current pure electromagnetism damper is mainly using magnetic force as damping force, active force is more single, it is not engaged directly between main part, there are gaps to cause magnetic force loss, it is unfavorable for the further promotion of damping force, it is difficult to accomplish to regulate and control the hardness of shock mitigation system in the way of change damping force.The present invention establishes on the basis of electromagnetic principle, main part directly engages when work, using magnetic force and frictional force as damping force, increasing action power type, it is easy to get sufficiently large damping force, can reach and change when damping force certainly works to requesting for conciliation of regulating and controlling of shock mitigation system hardness clearance loss energy problem between main part.The present invention is corresponding to be suitble to universal vehicle structure requirement to design, and the damping damping system of various vehicles can be suitble to, which to use or change on a small quantity, can reach the requirement installed and used, and improves the riding comfort using vehicle, manipulation stability, safety in utilization.
Description
Technical field
The present invention relates to the damper fields of vehicle hanging shock mitigation system, are particularly a kind of dampers, a kind of
Shock mitigation system assistor, a kind of electromagnetic damper.
Background technique
With increasing for vehicle, people require the riding comfort of vehicle, safety in utilization requirement is higher and higher, a set of
The riding comfort of vehicle can be improved in good damper, can also regulate and control to the hardness of shock mitigation system, improves
Manipulation stability when vehicle uses, to improve the safety in utilization of vehicle.
It is reported that the damper of vehicle according to theory structure can be divided into fluid pressure type, air type and electromagnetic type at present, and
Electromagnetic type is divided into pure electromagnetic control type and integrated electro-hydraulic formula again.
For current pure electromagnetic control type damper mainly using magnetic force as damping force, active force is relatively simple,
And because not engaging directly between main part, there are gap, the presence in gap causes magnetic force loss, wastes energy, and
Because the presence in gap is unfavorable for the further promotion of damping force, it is difficult to accomplish in the way of change damping force to shock mitigation system
Hardness regulated and controled.
Summary of the invention
Goal of the invention: improving the riding comfort for using vehicle, more energy saving, is easy to get sufficiently large damping force, energy
Meet the requirement regulated and controled to shock mitigation system hardness, improves the manipulation stability of vehicle, improve the safety in utilization of vehicle.
Technical solution: using magnetic force and frictional force as damping force, increasing action power type.Establish the base in electromagnetic principle
On plinth, when work, main part was directly engaged, and is solved when work clearance loss energy problem between main part, is improved the effective of energy
Utilization rate, working face directly engages the frictional force of generation when being worked using main part, improves damping force.Generally speaking, that is,
Using the frictional force between the device on the magnetic force and damping unit between the device on damping unit as damping force；It is corresponding suitable
Universal vehicle structure requirement design is closed, the use of various vehicles or a small amount of change can be suitble to can reach the requirement installed and used；
Structure is simple, not high to processing request.
Detailed description of the invention
Fig. 1 is the component of electromagnetic damper, the view of outer cylinder 1；
Fig. 2 is the component of electromagnetic damper, moves the view of magnetic handle 2；
Fig. 3 is the component of electromagnetic damper, moves the view of magnet 3；
Fig. 4 is the component of electromagnetic damper, moves the view of magnet winding 4；
Fig. 5 is the component of electromagnetic damper, the view of square cotter 5；
Fig. 6 is the component of electromagnetic damper, the view of damper distance position sensor body 6；
Fig. 7 is the component of electromagnetic damper, the view of shop bolt 7；
Fig. 8 is the component of electromagnetic damper, the view of stop bit rubber 8；
Fig. 9 is the component of electromagnetic damper, the view of inner cylinder 9；
Figure 10 is the component of electromagnetic damper, determines the view of magnetic handle 10；
Figure 11 is the component of electromagnetic damper, determines the view of magnet 11；
Figure 12 is the component of electromagnetic damper, determines the view of magnet winding 12；
Figure 13 is the component of electromagnetic damper, the view of damper distance position sensor slide plate 13；
Figure 14 is magnetic acitvity body；
Figure 15 is the installation diagram of electromagnetic damper outer barrel assembly；
Figure 16 is the installation diagram of electromagnetic damper inner cylinder assembly；
Figure 17 is electromagnetic damper general assembly figure；
Figure 18 is a kind of electromagnetic damping System Working Principle schematic diagram that can be used cooperatively with the present invention.
Section components relative scale is smaller, so pattern is exaggerated multiple, indicates in detail in specific multiple pattern.
Specific embodiment
The present invention is made of outer same assembly and inner cylinder general assembly, forms electromagnetic damping system, such as Figure 18 with other components.
As shown in figure 15, outer barrel assembly is by outer cylinder 1, dynamic magnetic handle 2, dynamic magnet 3, dynamic magnet winding 4, square cotter 5, damper row
Journey position sensing body 6, shop bolt 7, stop bit rubber 8, shop bolt 14, stop bit rubber 15, nut 16, nut 17, nut
18, nut 19 forms；Dynamic magnetic handle 2 is austenitic stainless steel material, will not be magnetized, and moving magnet 3 is soft magnet material, is easy magnetic
Change, magnetic also evanescence；Dynamic magnet winding 4 is enameled wire copper wire winding, and energization can produce magnetic field, and detail drawing A is dynamic magnetic in Fig. 4
6 times of enlarged drawings of external wire of body winding 4；Stop bit rubber 8 and stop bit rubber 15 are made of rubber material, and there is screw thread in one end, peace
In the threaded hole of outer cylinder；Square cotter 5 is mounted in the square hole of outer cylinder, is fixed on by shop bolt 7 and positioning pin fixed 14
On outer cylinder；Dynamic magnetic handle 2, dynamic magnet 3, dynamic magnetic winding 4 are fastened as a whole, and form dynamic magnetic acitvity body, and such as Figure 14 moves magnetic handle 2
Square hole covers on square cotter 5, and moving magnetic acitvity body can be along the activity of 5 long face direction of square cotter.
As shown in figure 16, inner cylinder assembly by inner cylinder 9, determine magnetic handle 10, determine magnet 11, determine magnet winding 12, damper stroke
Position sensor slide plate 13, nut 20, nut 21, nut 22, nut 23, nut 24, nut 25, screw 26 form；Determine magnetic handle
10 be austenitic stainless steel, will not be magnetized；Determining magnet 11 is soft magnet material, is easy magnetization, magnetic also evanescence；Determine magnetic
Body winding 12 is enameled wire copper wire winding, and energization can produce magnetic field, and each detail drawing is the external wire for determining magnet winding 12 in Figure 12
Enlarged drawing.
Figure 17 is electromagnetic damper general assembly figure, and axial relative movement can be done between outer barrel assembly and inner cylinder assembly,
Electromagnetic damper has two kinds of situations of retraction stroke and extension stroke, and retraction stroke makes electromagnetic damper length shorten, extension stroke
Make electromagnetic damper length；Stop bit rubber plays the role of the extreme position of confined shrinkage stroke；It moves magnet 3 and determines magnet 11
Between have certain gap N；Damper distance position sensor slide plate 13 is flexible scale copper, and damper travel position passes
Sensor body 6 is resistor, they form damper distance position sensor.
Figure 18 is a kind of electromagnetic damping System Working Principle schematic diagram that can be used cooperatively with the present invention, the electromagnetic damping system
System is passed by vehicle speed sensor, shock sensor, ultrasonic wave road surface situation sensor, braking signal switch, damper travel position
The composition such as sensor, steering wheel angle sensor, electronic controller, electromagnetic damper, relay, rectifier, battery.
Vehicle speed sensor generates speed signal；Shock sensor is mounted on vehicle body, generates vehicle body vibration signal；Ultrasonic wave
Surface conditions sensor is mounted on before wheel on car body, generates the surface conditions signal before wheel；Braking signal switch produces
Raw vehicle brake signal；According to Figure 17 it is known that the installation situation of damper distance position sensor, damper travel position
Sensor generates damper position signal, and electronic controller judges the instant length of damper, root according to damper position signal
Stroke locating for damper is judged according to damper position signal intensity, and damper is judged according to the time of damper position signal intensity
Length pace of change, suspension height is judged with this, the amplitude of damper, shake speed；Steering wheel angle sensor generates steering wheel
Angular signal；Electronic controller is opened according to vehicle speed sensor, shock sensor, ultrasonic wave road surface situation sensor, brake signal
The signal that pass, damper distance position sensor, steering wheel angle sensor transmit, calculates most suitable corresponding control method
Electromagnetic damper is controlled；Electromagnetic damper works according to the control method of electronic controller, determines magnet winding 12
Magnet 11 is determined in the electric energy production magnetic field magnetization transmitted according to electronic controller, it is made to generate magnetic force, and dynamic magnet winding 4 has generation magnetic
And two kinds of working conditions of power generation, when electronic controller does not give magnet winding 4 to power, dynamic magnet winding 4 determines magnetic because being in
In the magnetic field that body winding 12 generates, and because of the vibration that generates of vehicle driving when, so that by the magnetic field of dynamic magnet winding 4
It can change, moving magnet winding 4 at this time is generating state, when electronic controller control relay cuts off dynamic magnet winding 4
Charge circuit, and when powering to dynamic magnet winding 4, moves magnet winding 4 and generates magnetic field and magnetize dynamic magnet 3, it is made to generate magnetic force；After
Electric appliance is normally closed relay, and the signal that can be sent according to electronic controller moves the charge circuit of magnet winding 4 to electromagnetic damper
It is controlled；The alternating current that rectifier generates when can be dynamic 4 generating state of magnet winding is made into direct current, and plays and prevent
The effect that battery is powered from charge circuit to dynamic magnet winding 4；Battery plays the role of power supply and electric power storage.
When electronic controller determines magnet 11 or electronic controller to dynamic magnet winding for electromagnetization to determining magnet winding 12
4 when moving magnet 3 for electromagnetization, dynamic magnet 3 can be driven because of magneticaction entirely dynamic magnetic acitvity body it is mobile to 11 direction of magnet is determined, make
The working face V (see Fig. 3) that magnet 3 must be moved and the working face Q (see Figure 11) for determining magnet 11 are close together；Dynamic 3 He of magnet
Determine the frictional force generated when relatively moving after being close between the magnetic force between magnet 11 and their working face, is the present invention
Damping force, electronic controller by control they between magnetic force and frictional force in the way of, carry out to damping force of the invention
Control.
The present invention has the functional characteristics of variable damping force and power generation, simultaneously as damping force is changeable, changes damping force
It can achieve the purpose that adjust vehicle hanging hardness, electronic controller carries out the present invention according to the signal that each sensor generates
Control, it controls electromagnetic damper damping force in the way of controlling to supply electromagnetic damper power supply volume, electromagnetism resistance
The adjusting of Buddhist nun's device damping force has damping force in higher range to adjust and two kinds of situations of damping force adjusting in lower range.When being determined as vehicle
When needing smaller damping force, electronic controller only gives magnet winding 12 and supplies less electric energy, when needing to improve electromagnetism
When the damping force of damper, electronic controller is then correspondingly improved the electric energy of supply, the damping in the lower range of electromagnetic damper
Power is adjusted, and the power supply volume for determining magnet winding 12 is adjusted by electronic controller control；Needing damping force not in vehicle is very
When big, electronic controller does not give magnet winding 4 to power, and moves magnet winding 4 at this time and is in generating state.When determine magnet around
Group 12, when can not meeting vehicle damping force requirement with maximum power work, electronic controller controls relay, and cutting is dynamic
The power generation circuit of magnet winding 4, and power to dynamic magnet winding 4, because two windings all generate magnetic force, the damping of electromagnetic damper
Power further increases, and the damping force of electromagnetic damper higher range is adjusted, and controls the power supply to kinetoplast winding 4 by electronic controller
Amount is adjusted；Determine magnet 11 and when dynamic magnet 3 has magnetic force, their contact surface magnetic pole is opposite.
For the present invention when providing the damping force in lower range, dynamic magnet winding 4 is in generating state, uses vehicle
If be within the scope of this power condition for a long time, a large amount of electric energy can get, these electric energy can directly charge a battery.
Electronic controller is opened according to vehicle speed sensor, shock sensor, ultrasonic wave road surface situation sensor, brake signal
Pass, the control of damper distance position sensor, steering wheel angle sensor and the damping force size for controlling electromagnetic damper in advance,
With the hardness of regulation suspension, the riding comfort for using vehicle is improved to reach, manipulates stability, the purpose of safety in utilization.
Claims (1)
1. a kind of car electromagnetic damper, it is characterized in that: using on the magnetic force and damping unit between the device on damping unit
Device between frictional force as damping force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810157870.8A CN110195763A (en) | 2018-02-25 | 2018-02-25 | A kind of car electromagnetic damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810157870.8A CN110195763A (en) | 2018-02-25 | 2018-02-25 | A kind of car electromagnetic damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110195763A true CN110195763A (en) | 2019-09-03 |
Family
ID=67743947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810157870.8A Withdrawn CN110195763A (en) | 2018-02-25 | 2018-02-25 | A kind of car electromagnetic damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110195763A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10184755A (en) * | 1996-12-27 | 1998-07-14 | Honda Motor Co Ltd | Variable damping force damper |
| CN1396393A (en) * | 2000-07-11 | 2003-02-12 | 株式会社三角工具加工 | Vibration damper using magnetic circuit |
| CN1526972A (en) * | 2003-03-06 | 2004-09-08 | Lg������ʽ���� | Combined damper and washing machine with the same damper |
| CN1625660A (en) * | 2002-05-07 | 2005-06-08 | 洛德公司 | Magnetically actuated motion control device |
| CN102374255A (en) * | 2010-08-05 | 2012-03-14 | 香港中文大学 | Self-powered and self-sensing magnetorheological (MR) fluid damper |
| CN104864026A (en) * | 2015-04-15 | 2015-08-26 | 武汉理工大学 | Compound electromagnetic friction damper |
-
2018
- 2018-02-25 CN CN201810157870.8A patent/CN110195763A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10184755A (en) * | 1996-12-27 | 1998-07-14 | Honda Motor Co Ltd | Variable damping force damper |
| CN1396393A (en) * | 2000-07-11 | 2003-02-12 | 株式会社三角工具加工 | Vibration damper using magnetic circuit |
| CN1625660A (en) * | 2002-05-07 | 2005-06-08 | 洛德公司 | Magnetically actuated motion control device |
| CN1526972A (en) * | 2003-03-06 | 2004-09-08 | Lg������ʽ���� | Combined damper and washing machine with the same damper |
| CN102374255A (en) * | 2010-08-05 | 2012-03-14 | 香港中文大学 | Self-powered and self-sensing magnetorheological (MR) fluid damper |
| CN104864026A (en) * | 2015-04-15 | 2015-08-26 | 武汉理工大学 | Compound electromagnetic friction damper |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190903 |