CN206510767U - A kind of Direct Action Type permanent-magnet eddy current wheel side retarder - Google Patents
A kind of Direct Action Type permanent-magnet eddy current wheel side retarder Download PDFInfo
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- CN206510767U CN206510767U CN201621424230.1U CN201621424230U CN206510767U CN 206510767 U CN206510767 U CN 206510767U CN 201621424230 U CN201621424230 U CN 201621424230U CN 206510767 U CN206510767 U CN 206510767U
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- China
- Prior art keywords
- wheel side
- retarder
- action type
- eddy current
- direct action
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- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The utility model discloses a kind of Direct Action Type permanent-magnet eddy current wheel side retarder, including rotor disk, linear electric motors, permanent magnet, wheel side retarder housing；It is stator to take turns side retarder housing, it is connected with the not moving part on vehicle, rotor disk is in the rotating shaft on vehicle wheel side, rotated together with wheel, take turns side retarder housing and use contactless connection with rotor disk, the air gap is left in centre, and linear electric motors are arranged on wheel side retarder housing, and linear electric motors can be slided on the concave surface of wheel side retarder housing；Permanent magnet is fixedly connected with linear electric motors, and linear electric motors movement drives permanent magnet motion, and realization is controlled to the Direct Action Type permanent-magnet eddy current wheel side retarder.The utility model braking ability is stable, disclosure satisfy that the situation of installing space and installation site change, and permeability is high, and leakage field is less, good working effect.
Description
Technical field
The utility model is related to vehicle brake field, more particularly to a kind of Direct Action Type permanent-magnet eddy current wheel side retarder.
Background technology
The function of brakes is to make automobile with appropriate deceleration reduction of speed traveling until parking;In descent run, make
Automobile keeps appropriate stabilizing speed.Any brakes should all have enough brake efficiencies, manipulate light, reliable operation and heat
Stability will be got well, and the noise produced during braking should be as small as possible, and the things such as harmful dust are given out while making every effort to reduce
Matter.Brake is vital part in brakes, and general brake is all by friction material and motor element
Between moment of friction reduce speed.
At present, the friction brake used in all kinds of automobiles can be divided into drum-type and the major class of disc type two, and friction catch process is actual
On be by the kinetic energy of running car by brake absorb be converted to heat energy, cause brake temperature to raise, influence braking ability.
Because disk brake has heat resistanceheat resistant degenerative strong, size and that quality is smaller and brake efficiency is stable etc. is excellent compared with drum brake
Point, gradually increases so disk brake is applied on automobile.But either disk brake or drum brake all can
Produce noise and give out the harmful substance of dust etc, especially under long descending or frequent damped condition, friction brake
Temperature steeply rises, and heat resistanceheat resistant degenerative drastically declines.Vehicle wheel side retarder is developed in recent years, and it can effectively make up
Deficiency of the existing brake system in technical performance, improves the security of running car.Wheel side retarder, which is that one kind is non-, to be connect
Touch brake, is the retarding device that a kind of utilization electromagnetic principle produces braking moment.Change in the prior art car because logical
Cross the frequently braking of mechanical braking system and shorten the service life of brakes and cause the temperature rise of friction brake and drop
The braking ability of low brake, it is possible to reduce brakeage number of times, can efficiently solve noise and dust problem, simultaneously
The temperature rise of friction brake can be also reduced, the performance of brakes and the security of driving, and the system of retarder brake is improved
Kinetic moment is consecutive variations torque, and braking ability is stable.
A kind of structure of wheel side retarder is disclosed in patent US6286637B1, friction is solved to a certain extent
Some problems of brake, but the structure of the wheel side retarder carries out magnetic conduction, structure using a round steel pipe as yoke
Form is single, it is impossible to meet the situation of installing space and installation site change well, permeability is not high, and leakage field is more, no
The auxiliary braking effect of wheel side retarder well can be reached.
Utility model content
The purpose of this utility model be to solve the above problems, there is provided a kind of Direct Action Type permanent-magnet eddy current wheel side retarder and
Its control method.
In order to achieve the above object, the utility model provides following technical scheme：Delay on a kind of Direct Action Type permanent-magnet eddy current wheel side
Fast device, including rotor disk, linear electric motors, permanent magnet, wheel side retarder housing；It is on stator, with vehicle to take turns side retarder housing
Not moving part be connected, described rotor disk rotates in the rotating shaft on vehicle wheel side together with wheel, wheel side retarder housing with
Rotor disk uses contactless connection, and the air gap is left in centre, and linear electric motors are arranged on wheel side retarder housing, straight-line electric
Machine can be slided on the concave surface of wheel side retarder housing；Described permanent magnet is fixedly connected with linear electric motors, and linear electric motors are moved
Dynamic to drive permanent magnet motion, realization is controlled to the Direct Action Type permanent-magnet eddy current wheel side retarder.
As a kind of improvement of the present utility model, described linear electric motors include supporting plate, coil, guide rail, wherein, supporting plate is
Moving part, guide rail is fixed part, and the upper surface of supporting plate is fixedly connected with permanent magnet, and permanent magnet can be started shipment with supporting plate one
Dynamic, guide rail is fixedly connected with wheel side retarder housing.
As it is of the present utility model it is a kind of improve, set fluted on described guide rail, described groove part around
Have and alternating current is connected with coil, coil, produce the shifting magnetic field of linear motion, supporting plate is made with guide rail under the action of a magnetic force
Linear relative movement.
As a kind of improvement of the present utility model, described wheel side retarder housing mainly includes outer casing, middle magnetic
Bisque and the part of magnetic conduction sheet three.
As a kind of improvement of the present utility model, outer casing is a circle by magnetic shielding material group in wheel side retarder housing
Into housing, be made up of magnetic shielding material.
As a kind of improvement of the present utility model, described magnetic shielding material is aluminium or copper.
As it is of the present utility model it is a kind of improve, wheel side retarder housing can be rectangle can also be it is trapezoidal, can be with
For irregular shape.
As a kind of improvement of the present utility model, the magnetic conduction sheet of wheel side retarder housing is connected with outer casing, magnetic conduction sheet
Material can be the permeability magnetic material of pure iron or alloy etc.
As a kind of improvement of the present utility model, the air gap between wheel side retarder housing and rotor disk is 1-3mm.
Beneficial effect：
The Direct Action Type permanent-magnet eddy current wheel side retarder that the utility model is provided, manipulates light, reliable operation and heat endurance
It is better, the noise produced during braking is small, noise and dust problem can be efficiently solved, while can also reduces friction brake
Temperature rise, improves the performance of brakes and the security of driving, and the braking moment of retarder brake is consecutive variations torque,
Braking ability is stable, and Direct Action Type permanent-magnet eddy current wheel side of the present utility model retarder disclosure satisfy that installing space and installation site
The situation of change, and permeability is high, and leakage field is less, good working effect.
Brief description of the drawings
Fig. 1 is the schematic three dimensional views of Direct Action Type permanent-magnet eddy current wheel side retarder；
Fig. 2 is the structure chart of linear electric motors；
Fig. 3 is the main sectional view for taking turns side retarder housing；
Fig. 4 is working condition magnetic circuit figure；
Fig. 5 is the location diagram before work；
Location diagram when Fig. 6 is work；
Fig. 7 is control method schematic diagram；
Each part is in figure：
1-rotor disk, 2-linear electric motors, 3-permanent magnet, 4-wheel side retarder housing, 5-supporting plate, 6-coil, 7-
Guide rail, 8-outer casing, 9-centre magnetic blow out coating, 10-magnetic conduction sheet, 11-the air gap, 12-brake pedal, 13-electronics
Control unit.
Embodiment
The technical scheme provided below with reference to specific embodiment the utility model is described in detail, it should be understood that following
Embodiment is merely to illustrate the utility model rather than limits scope of the present utility model.
The schematic three dimensional views of the Direct Action Type permanent-magnet eddy current wheel side retarder involved by the utility model, are somebody's turn to do as shown in Figure 1
Direct Action Type permanent-magnet eddy current wheel retarder housing 4 when retarder mainly includes rotor disk 1, linear electric motors 2, permanent magnet 3, wheel.Turn
Sub-disk 1 rotates in the rotary shaft on vehicle wheel side together with wheel, and wheel side retarder housing 4 uses noncontact with rotor disk 1
Formula is connected, and the air gap 11 is left in centre, can be 1 ~ 3mm.
Linear electric motors 2 are fixedly connected with wheel side retarder housing 4, and linear electric motors 2 can be in the recessed of wheel side retarder housing 4
Slided on face.Permanent magnet 3 is fixedly connected with linear electric motors 2, and linear electric motors 2, which are slided, drives permanent magnet 3 to move, it is possible to achieve to this
Direct Action Type permanent-magnet eddy current wheel side retarder is controlled, simple and convenient.
Certain the air gap 11 is also left between permanent magnet 3 and wheel side retarder housing 4, is non-contacting.Work as permanent magnetism
When iron 3 moves to suitable position, magnetic field is constituted between permanent magnet 3, wheel side retarder housing 4, rotor disk 1 and air gap 11
Loop, produces braking moment, reaches braking effect.
Fig. 2 is the structure chart of linear electric motors 2, and linear electric motors 2 are made up of supporting plate 5, coil 6, guide rail 7.Wherein, supporting plate 5 is
Moving part, guide rail 7 is fixed part.The upper surface of supporting plate 5 is fixedly connected with permanent magnet 3, and permanent magnet 3 can be with supporting plate 5
Move together.Guide rail 7 is fixedly connected with wheel side retarder housing 4, and the groove part on guide rail is wound with coil 6, coil 6 and is connected with
Alternating current, produces the shifting magnetic field of linear motion, and supporting plate 5 makees linear relative movement with guide rail 7 under the action of a magnetic force, leads to
Cross the effect that the control to the linear motion reaches control permanent magnet 3.
Fig. 3 is takes turns the main sectional view of side retarder housing, and the wheel side retarder housing 4 includes outer casing 8, middle magnetic
Layer 9 and the part of magnetic conduction sheet 10 3, wheel side retarder housing 4 is hollow, is not entity, and magnetic 9 is full of in hollow space,
By the magnetic conduction of magnetic 9, can have good magnetic conduction effect, and can in order to change wheel side retarder housing shape, gram
The limitation of installing space and installation site is taken.
It is outer casing 8 in the periphery of magnetic 9, can be made up of magnetic shielding material aluminium or copper, outer casing 8 both can be very
Good prevents external magnetic field to internal influence, to be also possible to prevent internal magnetic field and rush down leakage.Magnetic conduction sheet 10 is connected with outer casing 8, leads
The material of magnetic sheet 10 can be the permeability magnetic material of pure iron or alloy etc.Wheel side retarder housing 4 can have various shapes, can be with
It can also be trapezoidal for rectangle, can also be irregular shape, appropriate change is carried out with specific reference to space and installation site.Wheel
Side retarder housing is fixedly connected with the not moving part on vehicle, is used as stator.
Fig. 4 is working condition magnetic circuit figure, when driver connects the joystick of retarder（Or brake pedal）Switch
When being slowed down or being braked, by promoting permanent magnet 3 to enter operating position so that the magnetic field of generation is in wheel side retarder housing
Loop is constituted by magnetic conduction sheet 10, magnetic 9, air gap 11 between 4 and rotor disk 1.With the rotation of rotor disk 1, cutting magnetic induction line,
Magnetic field will produce the effect for the power for hindering its rotation, i.e. braking moment to rotor disk 1.
Fig. 5, Fig. 6 are the fundamental diagrams of the Direct Action Type permanent-magnet eddy current wheel side retarder, and Fig. 5 is the position relationship before work
Figure, location diagram when Fig. 6 is work.
Before work, linear electric motors 2 do not work, due to the magnetic screening action of outer casing 8, and the magnetic field of permanent magnet 3 can not
UNICOM's magnetic 9, so magnetic field can not constitute loop with rotor 1, retarder does not work, and does not produce brake force；When driver connects
The joystick of retarder（Or brake pedal）When switch is slowed down or braked, by controlling linear electric motors 2 to slide, band
Dynamic permanent magnet 3 travels forward, and stops when moving to correct position, now, the magnetic field of permanent magnet 3 is by magnetic conduction sheet 10, in permanent magnetism
A loop is constituted between iron 3, air gap 11, magnetic conduction sheet 10, magnetic 9, magnetic conduction sheet 10, air gap 11, rotor 1, retarder starts work
Make, with the rotation of rotor disk 1, produce braking moment and braked.
The Direct Action Type permanent-magnet eddy current wheel side retarder can control the motion shape of permanent magnet 3 by controlling linear electric motors 2
State, the size to system torque carries out appropriate change, so as to reach preferable braking effect.Its specific control method is：
Before being slowed down or being braked, linear electric motors 2 do not work, and permanent magnet 3 is in off working state, due to the magnetic screen of outer casing 8
Effect, the magnetic field of permanent magnet 3 is unable to UNICOM's magnetic 9, and magnetic field can not constitute loop with rotor 1, and retarder is not worked, and system is not produced
Power；When driver connects the joystick of retarder（Or brake pedal）When switch is slowed down or braked, electronics control
Unit processed receives the brake signal of driver, is judged to take turns the braking that side retarder needs to provide according to built-in control strategy
Torque, input control signal to linear electric motors 2, permanent magnet 3 is rapidly moved to by linear electric motors 2 provides the corresponding dynamic square of power processed
Position, implements braking；During end of braking, electronic control unit controls linear electric motors 1 that permanent magnet 3 is moved into non-brake state again
When position.
The Direct Action Type permanent-magnet eddy current wheel side retarder that the utility model is provided, manipulates light, reliable operation and heat endurance
It is better, the noise produced during braking is small, noise and dust problem can be efficiently solved, while can also reduces friction brake
Temperature rise, improves the performance of brakes and the security of driving, and the braking moment of retarder brake is consecutive variations torque,
Braking ability is stable, and Direct Action Type permanent-magnet eddy current wheel side of the present utility model retarder disclosure satisfy that installing space and installation site
The situation of change, and permeability is high, and leakage field is less, good working effect.
Technological means disclosed in the utility model scheme is not limited only to the technological means disclosed in above-mentioned embodiment, also
Including being combined constituted technical scheme by above technical characteristic.Above-described is matrix embodiment party of the present utility model
Formula, it is noted that it will be understood by those skilled in the art that on the premise of the utility model principle is not departed from, if can also make
Dry improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (9)
1. a kind of Direct Action Type permanent-magnet eddy current wheel side retarder, it is characterised in that：Including rotor disk, linear electric motors, permanent magnet, wheel side
Retarder housing；It is stator to take turns side retarder housing, is connected with the not moving part on vehicle, and described rotor disk is on vehicle wheel side
Rotating shaft on, rotated together with wheel, wheel side retarder housing and rotor disk use contactless connection, and centre is left between air
Gap, linear electric motors are arranged on wheel side retarder housing, and linear electric motors can be slided on the concave surface of wheel side retarder housing；Institute
The permanent magnet stated is fixedly connected with linear electric motors, and linear electric motors movement drives permanent magnet motion, realizes to the Direct Action Type permanent magnetism whirlpool
Stream wheel side retarder is controlled.
2. Direct Action Type permanent-magnet eddy current wheel side according to claim 1 retarder, it is characterised in that：Described linear electric motors bag
Supporting plate, coil, guide rail are included, wherein, supporting plate is moving part, and guide rail is fixed part, upper surface and the permanent magnetism ferropexy of supporting plate
Connection, permanent magnet can together be moved with supporting plate, and guide rail is fixedly connected with wheel side retarder housing.
3. Direct Action Type permanent-magnet eddy current wheel side according to claim 2 retarder, it is characterised in that：Set on described guide rail
Groove is equipped with, is wound with described groove part in coil, coil and is connected with alternating current, the shifting magnetic field of linear motion is produced,
Supporting plate makees linear relative movement with guide rail under the action of a magnetic force.
4. Direct Action Type permanent-magnet eddy current wheel side according to claim 1 retarder, it is characterised in that：Described wheel side retarder
Housing mainly includes outer casing, middle magnetic blow out coating and the part of magnetic conduction sheet three.
5. Direct Action Type permanent-magnet eddy current wheel side according to claim 1 retarder, it is characterised in that：Take turns in the retarder housing of side
Outer casing is the housing that a circle is made up of magnetic shielding material, is made up of magnetic shielding material.
6. Direct Action Type permanent-magnet eddy current wheel side according to claim 5 retarder, it is characterised in that：Described magnetic shielding material
For aluminium or copper.
7. Direct Action Type permanent-magnet eddy current wheel side according to claim 1 retarder, it is characterised in that：Taking turns side retarder housing is
Rectangle, trapezoidal or irregular shape.
8. Direct Action Type permanent-magnet eddy current wheel side according to claim 1 retarder, it is characterised in that：Take turns side retarder housing
Magnetic conduction sheet is connected with outer casing, and magnetic conduction sheet material is pure iron or alloy.
9. Direct Action Type permanent-magnet eddy current wheel side according to claim 1 retarder, it is characterised in that：Take turns side retarder housing with
The air gap between rotor disk is 1-3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621424230.1U CN206510767U (en) | 2016-12-23 | 2016-12-23 | A kind of Direct Action Type permanent-magnet eddy current wheel side retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621424230.1U CN206510767U (en) | 2016-12-23 | 2016-12-23 | A kind of Direct Action Type permanent-magnet eddy current wheel side retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206510767U true CN206510767U (en) | 2017-09-22 |
Family
ID=59863143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621424230.1U Expired - Fee Related CN206510767U (en) | 2016-12-23 | 2016-12-23 | A kind of Direct Action Type permanent-magnet eddy current wheel side retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206510767U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515465A (en) * | 2016-12-23 | 2017-03-22 | 盐城振宇科技发展有限公司 | Directly operated type permanent magnet vortex flow wheel edge retarder and control method thereof |
| CN109058328A (en) * | 2018-08-13 | 2018-12-21 | 江苏大学 | A kind of vehicle wheel side composite braking device of integral permanent-magnet braking and friction catch |
| CN109302042A (en) * | 2018-09-10 | 2019-02-01 | 中车青岛四方机车车辆股份有限公司 | A kind of device actively adjusting eddy-current brake magnet gap and its control method |
| CN109624954A (en) * | 2018-12-06 | 2019-04-16 | 北京长城华冠汽车科技股份有限公司 | A kind of braking system and automobile |
-
2016
- 2016-12-23 CN CN201621424230.1U patent/CN206510767U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515465A (en) * | 2016-12-23 | 2017-03-22 | 盐城振宇科技发展有限公司 | Directly operated type permanent magnet vortex flow wheel edge retarder and control method thereof |
| CN109058328A (en) * | 2018-08-13 | 2018-12-21 | 江苏大学 | A kind of vehicle wheel side composite braking device of integral permanent-magnet braking and friction catch |
| CN109302042A (en) * | 2018-09-10 | 2019-02-01 | 中车青岛四方机车车辆股份有限公司 | A kind of device actively adjusting eddy-current brake magnet gap and its control method |
| CN109624954A (en) * | 2018-12-06 | 2019-04-16 | 北京长城华冠汽车科技股份有限公司 | A kind of braking system and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20211223 |