CN103381758A - Eddy current retarder - Google Patents
Eddy current retarder Download PDFInfo
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- CN103381758A CN103381758A CN 201210134278 CN201210134278A CN103381758A CN 103381758 A CN103381758 A CN 103381758A CN 201210134278 CN201210134278 CN 201210134278 CN 201210134278 A CN201210134278 A CN 201210134278A CN 103381758 A CN103381758 A CN 103381758A
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- retarder
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Abstract
The invention discloses an eddy current retarder which comprises coil windings, a coil fixing plate, a cover plate, a sector plate, a left impeller, a right impeller, a shaft sleeve, a flange plate, a bracket and the like. Through the adoption of the sector plate, the radiating area of the retarder is enlarged; the eight coil windings are arranged in a stator, so that the braking torque is improved, and the braking time is shortened; an enameled wire adopts a copper wire of which amide imine is enameled by modified polyester, so that the insulating property of a coil is greatly improved, the coil is coriaceous in physical property, superior in insulativity, and excellent in chemical corrosion and refrigerant resistance; as the packaging material of the coil winding has higher thermal conductivity than air, is lower in thermal expansion coefficient and is ageing resistant, and the packaging technology adopts vacuum packaging technology, the packaging coil has the advantages of water resistance, oil proofing, dust prevention and shock resistance; as rotor impellers and the stator framework adopt high-strength aluminum alloy die-casting molding, and treated with chemical polishing and plugging processes, the precision of formed products is high, the processing and cutting quantities are small, and materials are saved.
Description
Technical field
The invention belongs to the retarder technical field, relate in particular to a kind of current vortex retarder.
Background technology
The advantages such as current vortex retarder is present auxiliary brake device for automobile, is arranged on the transmission shaft of automobile, and is fast due to its braking response, that braking force is huge are widely used it.The 3rd auxiliary braking system as automobile, the current vortex retarder that uses at present, the heat that its current vortex produces, mainly to be diffused in atmosphere by convection type, general cooling wind speed is not high, and when rotor reached uniform temperature, lock torque significantly descended, its rotor Duct design generally is divided into single-row or biserial, the curve more complicated; The stator component of plane outer wall adopts single screw to be connected with the coil magnetic core, and the shearing that screw bears is larger, is very easy to damage.The current vortex retarder thermal diffusivity of this structure is low, thereby causes brake efficiency not high.
Summary of the invention
The present invention is directed to the heat of the current vortex generation that exists in existing current vortex retarder, mainly to be diffused in atmosphere by convection type, general cooling wind speed is not high, when rotor reached uniform temperature, lock torque significantly descended, rotor air channel more complicated, the stator component of plane outer wall adopts single screw to be connected with the coil magnetic core, the shearing that screw bears is larger, is very easy to the shortcomings such as damage, proposes a kind of novel current vortex retarder.
The embodiment of the present invention is to realize like this, a kind of current vortex retarder, this retarder comprise coil winding, coil reaction plate, cover plate, quadrant, lobus sinister wheel, lobus dexter wheel, axle sleeve, flange, support, binding bolt, transmission shaft, tie bolt, change speed gear box;
Coil winding is even circumferential and is arranged on the coil reaction plate;
Cover plate and quadrant are arranged on coil winding by binding bolt;
Lobus dexter wheel, lobus sinister wheel are connected with flange by binding bolt with axle sleeve;
The lobus dexter wheel is connected with transmission shaft by flange connector;
The coil reaction plate is rack-mount by binding bolt, and support is connected with automobile gearbox.
Further, described retarder is equipped with eight coil winding, and the material of the enamel wire of described coil winding adopts the acid amides imines outer by sex change polyester enamel covered wire.
Further, the poting materials of described coil winding adopts heat conductivility to be better than that air, thermal expansion coefficient are lower, the aging-resistant poting materials, and packaging technology adopts vacuum encapsulation process.
Further, described retarder is equipped with two binding bolts.
Further, described retarder is equipped with two flanges.
Further, described lobus sinister wheel, lobus dexter wheel are connected with two flanges respectively by two binding bolts with axle sleeve.
Further, become one group of magnetic pole with respect to two excitation coil serial or parallel connections on the circumference that described coil winding consists of, adjacent pole magnetic is opposite.
Further, described retarder adopts the high strength aluminum alloy die cast, lobus sinister wheel, the lobus dexter wheel processed through changing the Throwing sealing of hole.
current vortex retarder provided by the invention, adopt the quadrant structure, increased the dissipating area of retarder, eight coil winding are arranged in stator, improve lock torque, reduced braking time, the material of enamel wire adopts the acid amides imines outer by sex change polyester enamel covered wire, significantly promote the insulating power of coil, make coil have tough physical property, good insulativity and splendid chemical resistance, cold-resistant matchmaker's property, the poting materials of coil winding adopts heat conductivility to be better than air, thermal expansion coefficient is lower, the aging-resistant poting materials, packaging technology adopts vacuum encapsulation process, potted coil has waterproof, grease proofing, dustproof, shock proof advantage, rotor wheel, stator skeleton adopts the high strength aluminum alloy die cast, process through changing the Throwing sealing of hole, after moulding, Product Precision is high, the processing cutting output is few, save material.
Description of drawings
Fig. 1 is the exploded view of the current vortex retarder that provides of prior art.
In figure: 1, support; 2, binding bolt I; 3, coil reaction plate; 4, axle sleeve; 5, quadrant; 6, lobus dexter wheel; 7 flange I; 8, transmission shaft; 9, flange II; 10, lobus sinister human relations; 11, coil winding; 12, tie bolt; 13, cover plate; 14, binding bolt II; 15, universal-joint A; 16, change speed gear box.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 shows the exploded view of the current vortex retarder that the embodiment of the present invention provides.For convenience of explanation, only show part related to the present invention.
The structure of this current vortex retarder is as follows: 11 groups of eight coil winding are even circumferential and are arranged on coil reaction plate 3; Cover plate 13 is arranged on coil winding 11 by binding bolt II 14 with quadrant 5.
Lobus dexter wheel 6, lobus sinister wheel 10 are connected with flange II 9 with flange I 7 with binding bolt II 14 by binding bolt I 2 with axle sleeve 4.
Lobus dexter wheel (rotor) 6 is connected with transmission shaft 8 by flange connector.
Coil reaction plate (stator) 3 is arranged on support 1 by binding bolt 12, and support 1 is connected with automobile gearbox 16.
In embodiments of the present invention, this current vortex retarder is comprised of parts such as stator, rotor and fixed support framves.
Stator mainly is comprised of eight coil winding 11, is even circumferential and is arranged on coil reaction plate 3, and cover plate 13 is arranged on coil winding 11 by binding bolt with quadrant 5, consists of altogether stator assembly.Become one group of magnetic pole with respect to two excitation coil serial or parallel connections on circumference, adjacent pole magnetic is opposite.
Rotor mainly is connected with flange II 9 with flange I 7 with binding bolt II 14 by binding bolt I 2 with axle sleeve 4 by lobus dexter wheel 6, lobus sinister wheel 10, consists of altogether armature.Rotor is connected with transmission shaft 8 by flange connector, and rotates with transmission shaft 8.
Fixed support is mainly support 1, mainly plays and is connected the effect that binding bolt 12 is connected with automobile gearbox 16 with stator.
There is minimum air gap (1.4-1.6 mm left and right) between right lobus sinister wheel and magnetic pole of the stator, in order to can not interfere with stator during the rotor disk rotation.Stator is installed on the rear end housing of change-speed box by fixed support, both are and are rigidly connected.
During work, reach the purpose of car retardation by the magnetic fields between stator 3 and rotor.Wherein stator and vehicle chassis be fixed together (change speed gear box, back axle, vehicle frame).Rotor connects and transmission shaft 8 High Rotation Speed together by bead.Very little air gap is arranged between rotor and stator.Thereby produce huge moment loading after 11 energisings of the coil winding of the many groups in stator and make car retardation on the rotating disk of rotation, combined action the kinetic energy of running car and potential energy by the current vortex on rotor disk and resistance is converted into heat energy, realizes the deceleration of vehicle.
current vortex retarder provided by the invention, adopt quadrant 5 structures, increased the dissipating area of retarder, eight coil winding 11 are arranged in stator, improve lock torque, reduced braking time, the material of enamel wire adopts the acid amides imines outer by sex change polyester enamel covered wire, significantly promote the insulating power of coil, make coil have tough physical property, good insulativity and splendid chemical resistance, cold-resistant matchmaker's property, the poting materials of coil winding adopts heat conductivility to be better than air, thermal expansion coefficient is lower, the aging-resistant poting materials, packaging technology adopts vacuum encapsulation process, potted coil has waterproof, grease proofing, dustproof, shock proof advantage, rotor wheel, stator skeleton adopts the high strength aluminum alloy die cast, process through changing the Throwing sealing of hole, after moulding, Product Precision is high, the processing cutting output is few, save material.
The above is only preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a current vortex retarder, is characterized in that, this retarder comprises coil winding, coil reaction plate, cover plate, quadrant, lobus sinister wheel, lobus dexter wheel, axle sleeve, flange, support, binding bolt, transmission shaft, tie bolt, change speed gear box;
Coil winding is even circumferential and is arranged on the coil reaction plate;
Cover plate and quadrant are arranged on coil winding by binding bolt;
Lobus dexter wheel, lobus sinister wheel are connected with flange by binding bolt with axle sleeve;
The lobus dexter wheel is connected with transmission shaft by flange connector;
The coil reaction plate is rack-mount by binding bolt, and support is connected with automobile gearbox.
2. retarder as claimed in claim 1, is characterized in that, described retarder is equipped with eight coil winding, and the material of the enamel wire of described coil winding adopts the acid amides imines outer by sex change polyester enamel covered wire.
3. retarder as claimed in claim 1, is characterized in that, the poting materials of described coil winding adopts heat conductivility to be better than that air, thermal expansion coefficient are lower, the aging-resistant poting materials, and packaging technology adopts vacuum encapsulation process.
4. retarder as claimed in claim 1, is characterized in that, described retarder is equipped with two binding bolts.
5. retarder as claimed in claim 1, is characterized in that, described retarder is equipped with two flanges.
6. retarder as claimed in claim 2 or claim 3, is characterized in that, described lobus sinister wheel, lobus dexter wheel are connected with two flanges respectively by two binding bolts with axle sleeve.
7. retarder as claimed in claim 1, is characterized in that, becomes one group of magnetic pole with respect to two excitation coil serial or parallel connections on the circumference that described coil winding consists of, and adjacent pole magnetic is opposite.
8. retarder as claimed in claim 1, is characterized in that, described retarder adopts the high strength aluminum alloy die cast, lobus sinister wheel, the lobus dexter wheel processed through changing the throwing sealing of hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210134278 CN103381758A (en) | 2012-05-03 | 2012-05-03 | Eddy current retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210134278 CN103381758A (en) | 2012-05-03 | 2012-05-03 | Eddy current retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103381758A true CN103381758A (en) | 2013-11-06 |
Family
ID=49489776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210134278 Pending CN103381758A (en) | 2012-05-03 | 2012-05-03 | Eddy current retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103381758A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026611A (en) * | 2016-05-17 | 2016-10-12 | 江苏理工学院 | Liquid-cooled birotor permanent magnet retarder |
| CN107925341A (en) * | 2015-08-10 | 2018-04-17 | 通用电气公司 | System and method for carrying out generator brake using lamination brake components |
| CN108775353A (en) * | 2018-07-01 | 2018-11-09 | 北京工业大学 | A kind of liquid that blade has current vortex function concurrently replies conjunction retarder by cable |
-
2012
- 2012-05-03 CN CN 201210134278 patent/CN103381758A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107925341A (en) * | 2015-08-10 | 2018-04-17 | 通用电气公司 | System and method for carrying out generator brake using lamination brake components |
| CN106026611A (en) * | 2016-05-17 | 2016-10-12 | 江苏理工学院 | Liquid-cooled birotor permanent magnet retarder |
| CN106026611B (en) * | 2016-05-17 | 2018-04-03 | 江苏理工学院 | A kind of liquid-cooled birotor permanent magnetic retarder |
| CN108775353A (en) * | 2018-07-01 | 2018-11-09 | 北京工业大学 | A kind of liquid that blade has current vortex function concurrently replies conjunction retarder by cable |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131106 |