CN2880573Y - Hub type permanent-magnetic vortex braking device - Google Patents
Hub type permanent-magnetic vortex braking device Download PDFInfo
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- CN2880573Y CN2880573Y CNU2006200072852U CN200620007285U CN2880573Y CN 2880573 Y CN2880573 Y CN 2880573Y CN U2006200072852 U CNU2006200072852 U CN U2006200072852U CN 200620007285 U CN200620007285 U CN 200620007285U CN 2880573 Y CN2880573 Y CN 2880573Y
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
This is a permanent magnet vortex retarder of rotating hub type involving the improvement of a vehicle auxiliary braking device. The model consists of rotor (3), stator ring (16), and magnetic switch components (17). The magnetic switch components include Nd-Fe-B permanent magnet (6), magnetic cylinder (11), cylinder (10), magnetic ring (9), magnetic plate (5), movable magnetic ring (7) and piston ring (8). The rotor is installed between the transmission case output flange (13) and the transmission shaft flange (14). The stator is fixed on the shell of the transmission case. The magnetic switch components are beset inside the stator ring as a circle. The Nd-Fe-B permanent magnet is in the center of the magnetic cylinder. The cylinder is between the magnetic cylinder and the Nd-Fe-B permanent magnet. The magnetic plate is on the outer surface of the Nd-Fe-B permanent magnet. The magnetic ring is on the magnetic cylinder. The movable magnetic ring is pushed by the piston ring and move in the cylinder. The device has the advantages of light weight, little energy consume, low heating and stable braking torque, etc.
Description
Technical field
The utility model is that a kind of Nd-Fe-B permanent magnet that utilizes is originated as braking force, by the reverse eddy current brake power that produces in rotation and non-contacting rotor the complemental brake system that automobile slows down is related to a kind of improvement of auxiliary brake device for automobile.
Background technology
Along with the fast development of express highway and the raising of road quality, automobile shared ratio in communications and transportation is improved constantly, this just requires auto-industry to produce the automobiles that are applicable to express highway and city operations more, these vehicles not only will have high dynamic property, high-comfort characteristics, and especially to have high safety, so auxiliary braking system arises at the historic moment, before car brakeing, to consume the kinetic energy that partly travels, increase the brake efficiency of service braking system, stablize the damped condition of service braking system, effectively improve the safety performance of vehicle '.
Domestic common auxiliary braking system mainly contains hydrodynamic retarder, current vortex retarder etc., and wherein the application of current vortex retarder is more extensive.The complex structure of hydrodynamic retarder, the low speed braking effect is poor, and action response time is longer; Current vortex retarder is equipped with a fairly large number of magnet coil and magnetic core, thereby quality is big, and the glancing impact current sinking is big, magnet coil cal val height, and energy consumption is higher, and it is serious that the rising of main frame temperature causes the decay of brake torque following temperature rising during work.
The utility model content
The purpose of this utility model is to improve that the quality that existing current vortex retarder exists is big, energy consumption is high, the main frame cal val big, brake torque is with deficiencies such as the rising decay of temperature are serious, utilize Nd-Fe-B permanent magnet to originate, design a kind of light weight, brake torque this retarder of permanent-magnet eddy current retarder big, that cal val is low, controller performance is good, energy resource consumption is few, brake torque is more constant and be applicable to rear-engined vehicle or short pass moving axis vehicle as braking force.
The technical scheme that rotary hub type permanent-magnet eddy current retarder of the present utility model is adopted, its structure are referring to accompanying drawing 1～7, and this device mainly includes stator module 15 and rotor 3; Wherein, stator module 15 is made of stator ring 16 and the magnetic switch assemblies 17 that whether is in the magnetic field along the symmetrically arranged control rotor of the circumferencial direction of stator ring 16; Rotor 3 is installed between change speed gear box output flange 13 and the transmission shaft flange 14, stator module 15 is fixedly installed on the gear box casing 18, the excircle that magnetic switch assemblies 17 forms in the inner edge surface of rotor 3 and the stator module 15 is concentric, and leaves adjustable air gap between it.
Described magnetic switch assemblies 17, as Fig. 7, shown in Figure 8, the circular cylinder 10, magnetic guiding loop 9, concentrating flux plate 5, movable magnetic guiding loop 7 and the piston ring 8 that include Nd-Fe-B permanent magnet 6, magnetic guiding jar 11, make by exhausted magnetic material; Wherein, Nd-Fe-B permanent magnet 6 places magnetic guiding jar 11 inside center positions, cylinder 10 is arranged between magnetic guiding jar 11 inwalls and the Nd-Fe-B permanent magnet 6, concentrating flux plate 5 is arranged on the end face in Nd-Fe-B permanent magnet 6 outsides, magnetic guiding loop 9 is arranged on the end face of magnetic guiding jar 11, and movable magnetic guiding loop 7 is promoted to move in cylinder 10 by piston ring 8; Magnetic guiding loop 9 is communicated with cylinder 10 with gap between the concentrating flux plate 5, the gap shape is identical with the shape of movable magnetic guiding loop 7, when movable magnetic guiding loop 7 is positioned at this gap, Nd-Fe-B permanent magnet 6, concentrating flux plate 5, movable magnetic guiding loop 7, magnetic guiding loop 9, magnetic guiding jar 11 constitute the osed top magnetic conductive loop, when movable magnetic guiding loop 7 was positioned at cylinder 10 inside, Nd-Fe-B permanent magnet 6, concentrating flux plate 5, rotor 3, magnetic guiding loop 9, magnetic guiding jar 11 constituted magnetic conductive loops.
The cylinder 10 that makes that the outside, gap between described magnetic guiding loop 9 and the concentrating flux plate 5 also is provided with exhausted magnetic material forms the pressing plate 4 of closed cylinder.
Described cylinder 10 two ends are provided with the inboard air valve 1, the outside air valve 2 that are communicated with cylinder and control moving of movable magnetic guiding loop 7;
Described magnetic guiding jar 11 inside bottom centers are provided with stepped hole, and an end of Nd-Fe-B permanent magnet 6 magnetic poles is placed in the stepped hole, and are fixing with magnetic guiding jar 11.
Described movable magnetic guiding loop 7 is the torus with trapezoidal cross-section.
Described magnetic switch assemblies 17 is provided with more than 2 groups along the circumferencial direction of stator ring 16.
Adjustable air gap width in the inner edge surface of described rotor 3 and the stator module 15 between the magnetic switch assemblies 17 is greater than 0.5mm.
The outer edge surface of described rotor 3 is provided with oblique radiating gill.
Principle of work of the present utility model and process are: when vehicle needs glancing impact, outside air valve 2 air inlets make movable magnetic guiding loop 7 place cylinder 10 bottoms to make Nd-Fe-B permanent magnet 6 be in external demonstration magnetic state (as Fig. 7), rotor rotated 3 is in the magnetic field of Nd-Fe-B permanent magnet 6 generations, and cutting magnetic line produces vortex flow in rotor, thereby eddy current magnetism produces the torque reduction transmission shaft rotating speed opposite with rotor 3 hand of rotation and makes car retardation.After the end of braking, inboard air valve 1 air inlet makes movable magnetic guiding loop 7 dislocations in cylinder 10 tops and in magnetic guiding loop 9 and concentrating flux plate 5 closed contacts, makes magnetic line of force be shielded from osed top magnetic switch assemblies 17 inside, and system recovery is to externally not showing magnetic state (as Fig. 6).By on the circumferencial direction of stator ring 16, evenly arranging many group magnetic switch assemblies 17, can realize many grades of controls of brake torque.
Major advantage of the present utility model is: 1) light weight.Do not need magnet coil and magnet core, the Nd-Fe-B permanent magnet volume is little, and mass of system is light.2) energy resource consumption is few.Need not the electric current power supply, the required strength that provides was less when movable magnetic guiding loop moved, and energy resource consumption is few.3) heating is low.Not power consumption of system, stator module do not produce heat, and the heat that rotor produces is lower, air-cooled getting final product.4) brake torque is more constant.Temperature is lower during system works, can make the more constant brake torque of maintenance.Other advantage such as magnetic closure are good, and leakage field is few; Magnetic energy utilization rate height; System is the noncontact braking, does not have wearing and tearing, and is maintenance free etc.
Description of drawings
Fig. 1: rotary hub type permanent-magnet eddy current retarder semi-section structural representation of the present utility model;
Fig. 2: rotary hub type permanent-magnet eddy current retarder integral structure structural representation of the present utility model; (removing outside air valve 2 and inboard air valve 1)
Fig. 3: rotary hub type permanent-magnet eddy current retarder stator module 15 cross-sectional view of the present utility model;
Fig. 4: rotary hub type permanent-magnet eddy current retarder stator module 15 structural representations of the present utility model (removing outside air valve 2 and inboard air valve 1);
Fig. 5: rotary hub type permanent-magnet eddy current retarder rotor 3 structural representations of the present utility model;
Fig. 6: rotary hub type permanent-magnet eddy current retarder rotor 3 front schematic view of the present utility model;
Fig. 7: rotary hub type permanent-magnet eddy current retarder magnetic switch assemblies 17 of the present utility model is positioned at the scheme drawing when externally not showing magnetic;
Fig. 8: the scheme drawing when rotary hub type permanent-magnet eddy current retarder magnetic switch assemblies 17 of the present utility model is positioned at external demonstration magnetic;
Among the figure: 1, inboard air valve, 2, outside air valve, 3, rotor, 4, pressing plate, 5, concentrating flux plate, 6, Nd-Fe-B permanent magnet, 7, movable magnetic guiding loop, 8, piston ring, 9, magnetic guiding loop, 10, cylinder, 11, magnetic guiding jar, 12, the magnetic head hold down groove, 13, change speed gear box output flange, 14, the transmission shaft flange, 15, stator module, 16, stator ring, 17, magnetic switch assemblies, 18, gear box casing.
The specific embodiment
Embodiment of the present utility model is as follows, referring to Fig. 1～7, the rotary hub type permanent-magnet eddy current retarder is made of stator module 15 and rotor 3, and rotor 3 and stator module 15 are the separation type non-contact structure, relies on gear box casing 18 and change speed gear box output flange 13 to guarantee assembly relation.Stator module 15 is made of stator ring 16 and 8 groups magnetic switch assemblies 17 along the circumferential direction being fixedly set on the stator ring 16, and the concentric noncontact of periphery of its rotor 3 inside faces and magnetic switch assemblies 17 formation also has adjustable air gap.Magnetic switch assemblies 17 mainly is made of Nd-Fe-B permanent magnet 6, magnetic guiding jar 11, movable magnetic guiding loop 7, concentrating flux plate 5, magnetic guiding loop 9, and and the pressing plate 4 fixing osed top cavitys that form.Outside air valve 2 and inboard air valve 1 lay respectively at the both sides of piston ring 8; Magnetic guiding jar 11 inside bottom of end face opening are provided with the end that the stepped hole that meets with Nd-Fe-B permanent magnet 6 sizes is used for fixing its magnetic pole, the other end end face of Nd-Fe-B permanent magnet 6 magnetic poles and the 5 tight adhesives of the concentrating flux plate of trapezoidal cross-section, and can closely cooperate with the trapezoidal cross-section of movable magnetic guiding loop 7; The cylinder 10 that exhausted magnetic material constitutes is set in the gap of Nd-Fe-B permanent magnet 6 and magnetic guiding jar 11 inboards, can effectively prevents the magnetic line of force short circuit; When movable magnetic guiding loop 7 contacted with concentrating flux plate 5, the magnetic line of force of Nd-Fe-B permanent magnet 6 was shielded from the magnetic switch assemblies 17, and system does not externally show magnetic.When the needs glancing impact, air valve 2 actions in the outside enter high pressure gas, and promotion activity magnetic guiding loop 7 breaks away from concentrating flux plate 5, and away from Nd-Fe-B permanent magnet 6 magnetic poles, system externally shows magnetic, produces opposing torque in rotor 3; Inboard air valve 1 action enters high pressure gas after the end of braking, promotion activity magnetic guiding loop 7 and concentrating flux plate 5 adhesives, and system gets back to and does not externally show magnetic state.
Claims (9)
1, a kind of rotary hub type permanent-magnet eddy current retarder is characterized in that: this device mainly includes stator module (15) and rotor (3); Wherein, stator module (15) is made of stator ring (16), the magnetic switch assemblies (17) that whether is in the magnetic field along the symmetrically arranged control rotor of the circumferencial direction of stator ring (16); Rotor (3) is installed between change speed gear box output flange (13) and the transmission shaft flange (14), stator module (15) is fixedly installed on the gear box casing (18), the inner edge surface of rotor (3) is concentric with the excircle that the middle magnetic switch assemblies (17) of stator module (15) forms, and leaves adjustable air gap between it.
2, a kind of rotary hub type permanent-magnet eddy current retarder according to claim 1 is characterized in that: circular cylinder (10), magnetic guiding loop (9), concentrating flux plate (5), movable magnetic guiding loop (7) and piston ring (8) that described magnetic switch assemblies (17) includes Nd-Fe-B permanent magnet (6), magnetic guiding jar (11), made by exhausted magnetic material; Wherein, Nd-Fe-B permanent magnet (6) places magnetic guiding jar (11) inside center position, cylinder (10) is arranged between magnetic guiding jar (11) inwall and the Nd-Fe-B permanent magnet (6), concentrating flux plate (5) is arranged on the end face in Nd-Fe-B permanent magnet (6) outside, magnetic guiding loop (9) is arranged on the end face of magnetic guiding jar (11), and movable magnetic guiding loop (7) is promoted to move in cylinder (10) by piston ring (8); Magnetic guiding loop (9) is communicated with cylinder (10) with gap between the concentrating flux plate (5), the gap shape is identical with the shape of movable magnetic guiding loop (7), when movable magnetic guiding loop (7) when being positioned at the gap, Nd-Fe-B permanent magnet (6), concentrating flux plate (5), movable magnetic guiding loop (7), magnetic guiding loop (9), magnetic guiding jar (11) constitute the osed top magnetic conductive loop, when movable magnetic guiding loop (7) was positioned at cylinder (10) inside, Nd-Fe-B permanent magnet (6), concentrating flux plate (5), rotor (3), magnetic guiding loop (9), magnetic guiding jar (11) constituted magnetic conductive loop.
3, a kind of rotary hub type permanent-magnet eddy current retarder according to claim 2 is characterized in that: the cylinder (10) that makes that the outside, gap between magnetic guiding loop (9) and the concentrating flux plate (5) also is provided with exhausted magnetic material forms the pressing plate (4) of closed cylinder.
4, a kind of rotary hub type permanent-magnet eddy current retarder according to claim 2 is characterized in that: be provided with the inboard air valve (1), the outside air valve (2) that are communicated with cylinder at cylinder (10) two ends and control moving of movable magnetic guiding loop (7).
5, a kind of rotary hub type permanent-magnet eddy current retarder according to claim 2, it is characterized in that: described magnetic guiding jar (11) inside bottom center is provided with stepped hole, one end of Nd-Fe-B permanent magnet (6) magnetic pole is placed in the stepped hole, fixing with magnetic guiding jar (11).
6, a kind of rotary hub type permanent-magnet eddy current retarder according to claim 2, it is characterized in that: movable magnetic guiding loop (7) is the torus with trapezoidal cross-section.
7, a kind of rotary hub type permanent-magnet eddy current retarder according to claim 1 is characterized in that: along the circumferencial direction of stator ring (16) magnetic switch assemblies (17) more than 2 groups is set.
8, a kind of rotary hub type permanent-magnet eddy current retarder according to claim 1 is characterized in that: the adjustable air gap width in the inner edge surface of described rotor (3) and the stator module (15) between the magnetic switch assemblies (17) is greater than 0.5mm.
9, a kind of rotary hub type permanent-magnet eddy current retarder according to claim 1, it is characterized in that: the outer edge surface of described rotor (3) is provided with oblique radiating gill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200072852U CN2880573Y (en) | 2006-03-03 | 2006-03-03 | Hub type permanent-magnetic vortex braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200072852U CN2880573Y (en) | 2006-03-03 | 2006-03-03 | Hub type permanent-magnetic vortex braking device |
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| Publication Number | Publication Date |
|---|---|
| CN2880573Y true CN2880573Y (en) | 2007-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200072852U Expired - Fee Related CN2880573Y (en) | 2006-03-03 | 2006-03-03 | Hub type permanent-magnetic vortex braking device |
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| CN (1) | CN2880573Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719716B (en) * | 2009-11-20 | 2011-11-09 | 北京工业大学 | Permanent-magnet slide type permanent-magnet liquid-cooled retarder |
| CN103812304A (en) * | 2012-11-07 | 2014-05-21 | 常州先进制造技术研究所 | Stator salient pole structure of permanent magnetic eddy retarder capable of minimizing magnetic leakage |
| CN107117326A (en) * | 2017-06-07 | 2017-09-01 | 清华大学天津高端装备研究院 | System, device and brake are stopped based on the aircraft carrier that hybrid magnets are braked |
| CN107425698A (en) * | 2017-08-10 | 2017-12-01 | 迈格钠磁动力股份有限公司 | A kind of automobile-used cartridge type permanent-magnet eddy current retarder |
| CN111907336A (en) * | 2019-05-09 | 2020-11-10 | 株洲中车时代电气股份有限公司 | Eddy current brake, control device of eddy current brake and magnetic suspension train |
| CN113315339A (en) * | 2021-05-06 | 2021-08-27 | 北京工业大学 | Self-shielding type hybrid excitation eddy current retarder |
-
2006
- 2006-03-03 CN CNU2006200072852U patent/CN2880573Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719716B (en) * | 2009-11-20 | 2011-11-09 | 北京工业大学 | Permanent-magnet slide type permanent-magnet liquid-cooled retarder |
| CN103812304A (en) * | 2012-11-07 | 2014-05-21 | 常州先进制造技术研究所 | Stator salient pole structure of permanent magnetic eddy retarder capable of minimizing magnetic leakage |
| CN107117326A (en) * | 2017-06-07 | 2017-09-01 | 清华大学天津高端装备研究院 | System, device and brake are stopped based on the aircraft carrier that hybrid magnets are braked |
| CN107425698A (en) * | 2017-08-10 | 2017-12-01 | 迈格钠磁动力股份有限公司 | A kind of automobile-used cartridge type permanent-magnet eddy current retarder |
| CN107425698B (en) * | 2017-08-10 | 2024-04-05 | 迈格钠磁动力股份有限公司 | Cylindrical permanent magnet eddy current retarder for vehicle |
| CN111907336A (en) * | 2019-05-09 | 2020-11-10 | 株洲中车时代电气股份有限公司 | Eddy current brake, control device of eddy current brake and magnetic suspension train |
| CN113315339A (en) * | 2021-05-06 | 2021-08-27 | 北京工业大学 | Self-shielding type hybrid excitation eddy current retarder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |