CN104578686A - Double-stator electromagnetic liquid-cooled retarder - Google Patents

Double-stator electromagnetic liquid-cooled retarder Download PDF

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Publication number
CN104578686A
CN104578686A CN201310518207.3A CN201310518207A CN104578686A CN 104578686 A CN104578686 A CN 104578686A CN 201310518207 A CN201310518207 A CN 201310518207A CN 104578686 A CN104578686 A CN 104578686A
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CN
China
Prior art keywords
rotor
stator
retarder
salient pole
coil
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.)
Pending
Application number
CN201310518207.3A
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Chinese (zh)
Inventor
李德胜
聂柯
杨培俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou Anxing Electromechanical Technology Co Ltd
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Yangzhou Anxing Electromechanical Technology Co Ltd
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Publication date
Application filed by Yangzhou Anxing Electromechanical Technology Co Ltd filed Critical Yangzhou Anxing Electromechanical Technology Co Ltd
Priority to CN201310518207.3A priority Critical patent/CN104578686A/en
Publication of CN104578686A publication Critical patent/CN104578686A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a double-stator electromagnetic liquid-cooled retarder. The double-stator electromagnetic liquid-cooled retarder comprises a rotor arm, a rotor, an inner stator, an outer stator, a retarder support and a coil, wherein the rotor arm is connected with a transmission shaft of an automobile through keys; the rotor is connected with the transmission shaft through the rotor arm, moves together with the transmission shaft and is located between the inner stator and the outer stator; the inner stator and the outer stator are both connected with the retarder support through screws; the retarder support is connected with the transmission shaft; the coil is wound on the inner stator; the inner stator, the outer stator and the coil are all stationary parts. According to the retarder, the mass of the rotor is small; the structure is compact; the liquid-cooled heat dissipation mode is adopted; the inner stator is provided with an inner water channel and the outer stator is provided with an outer water channel, so that the radiating area of a vortex layer is increased to facilitate heat dissipation more; the stability of the braking torque can be continually kept; high safety and reliability are achieved.

Description

A kind of electromagnetism liquid-cooled retarder of bimorph transducer structure
Technical field
The present invention relates to the electromagnetism liquid-cooled retarder of a kind of bimorph transducer structure, by to rotate and non-contacting metal cambered surface is done cutting magnetic induction line motion and produced eddy current braking moment, the electromagnetism liquid-cooled retarder that the bimorph transducer particularly relating to a kind of employing circulating water utilizing eddy current principle brake constructs.
Background technology
Existing current vortex retarder major part coil is many groups, and coil is generally circumferentially uniform, is provided with pole shoe at coil two ends; Speed buffer structure has brush structure, and the heat of generation, on rotor, is fallen apart in air by epitrochanterian fin.Wind-cooling heat dissipating efficiency is lower.And the quality of retarder rotor and moment of inertia are comparatively large, larger on the drive system impact of automobile.
Summary of the invention
Technical problem to be solved by this invention is to provide the electromagnetism liquid-cooled retarder of a kind of bimorph transducer structure, and to have temperature low for the electromagnetism liquid-cooled retarder of this bimorph transducer structure, and heat fading is little, and coil such as not easily to burn at the advantage.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of electromagnetism liquid-cooled retarder of bimorph transducer structure, comprise rotor arm, rotor, internal stator, external stator, retarder support and coil, described rotor arm is connected with the power transmission shaft of automobile by key, described rotor is connected with described power transmission shaft by described rotor arm, and move together with described power transmission shaft, described rotor is between described internal stator and described external stator, described internal stator and described external stator are all connected with described retarder support by screw, described retarder support is connected with described power transmission shaft, described coil winding is on described internal stator, described internal stator, external stator and coil are stationary parts.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described rotor comprises the first rotor salient pole, the second rotor with salient pole and non-magnetic ring, and described the first rotor salient pole is connected with described second rotor with salient pole by described non-magnetic ring, and described second rotor with salient pole is connected with described rotor arm by screw.
Further, described the first rotor salient pole and described second rotor with salient pole are by upper salient pole and lower salient pole composition, keep the gap of 0.5 ~ 1 millimeter between the cylindrical of described upper salient pole and the inner circle of described external stator, between the cylindrical of described lower salient pole and the cylindrical of described internal stator, keep the gap of 0.5 ~ 1 millimeter.
Further, the inner lead for cooling is provided with in described internal stator, the outer water channel for cooling is provided with in described external stator, water in water in described inner lead and described outer water channel all with the cooling water circulation of engine, or the independent cooling device of the electromagnetism liquid-cooled retarder all constructed with described bimorph transducer circulates.
Adopt the beneficial effect of above-mentioned further scheme to be, the heat that internal stator and external stator inwall are produced by current vortex is taken away by the cooling water in inner lead and outer water channel and is dispersed in air.
Further, the electromagnetism liquid-cooled retarder of described bimorph transducer structure also comprises control module, and described control module is connected with described coil by wire, controls power on/off.
Further, described retarder support and described rotor arm are made by non-magnet material.
Further, described non-magnet material is aluminium.
The operation principle of the electromagnetism liquid-cooled retarder of a kind of bimorph transducer of the present invention structure is as follows:
During work, by control module to coil power supply, magnetic field can be produced on internal stator after energising in coil, because coil is wound on internal stator, namely can form loop checking installation.The magnetic line of force passes through and reaches on external stator on internal stator, the circle end face of the magnetic line of force perpendicular to external stator inner circle, upper and lower two salient poles of the first rotor salient pole and the circle end face of upper and lower two salient poles of the second rotor with salient pole.When truck drive shaft rotates, rotated by rotor arm rotor driven, internal stator and external stator cut the magnetic line of force that the first rotor salient pole and the second rotor with salient pole send simultaneously, eddy current braking moment is produced at the inner surface of internal stator outer surface and external stator, this braking moment acts on truck drive shaft by rotor arm, namely plays braking action.The size of electric current in coil can be changed by control module, retarder can be realized and regulate continuously.The heat that internal stator and external stator produce is taken away by inner lead and outer water channel, and the water in two water channels or can circulate with retarder independent cooling device and realizes reciprocation cycle work with the cooling water circulation of engine.If when retarder does not need to brake, control module stops coil power supply, at this moment would not produce magnetic field, in retarder, external stator also can not produce eddy current, namely can not produce braking moment.
The invention has the beneficial effects as follows: each rotor with salient pole is by upper and lower two salient pole cutting magnetic induction lines, and this structure can produce larger moment.And the quality of rotor is little, compact conformation, liquid-cooling heat radiation mode, internal stator is provided with inner lead, and external stator is provided with outer water channel, increases the area of dissipation of backset bed, is more conducive to distributing of heat, keeps the stability of braking moment continuously, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural front view of the electromagnetism liquid-cooled retarder of bimorph transducer of the present invention structure;
Fig. 2 is the structure left view of the electromagnetism liquid-cooled retarder of bimorph transducer of the present invention structure;
In accompanying drawing, the list of parts representated by each label is as follows:
1, power transmission shaft, 2, retarder support, 3, internal stator, 4, inner lead, 5, rotor, 5-1, the first rotor salient pole, 5-2, the second rotor with salient pole, 5-3, non-magnetic ring, 6, outer water channel, 7, external stator, 8, rotor arm, 9, control module, 10, coil.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
A kind of electromagnetism liquid-cooled retarder of bimorph transducer structure, as Fig. 1, shown in Fig. 2, comprise rotor arm 8, rotor 5, internal stator 3, external stator 7, retarder support 2 and coil 10, described rotor arm 8 is connected with the power transmission shaft 1 of automobile by key, described rotor 5 is connected with described power transmission shaft 1 by described rotor arm 8, and move together with described power transmission shaft 1, described rotor 5 is between described internal stator 3 and described external stator 7, described internal stator 3 and described external stator 7 are all connected with described retarder support 2 by screw, described retarder support 2 is connected with described power transmission shaft 1, described coil 10 is wound on described internal stator 3, described internal stator 3, external stator 7 and coil 10 are stationary parts.
Described rotor 5 comprises the first rotor salient pole 5-1, the second rotor with salient pole 5-2 and non-magnetic ring 5-3, described the first rotor salient pole 5-1 is connected with described second rotor with salient pole 5-2 by described non-magnetic ring 5-3, and described second rotor with salient pole 5-2 is connected with described rotor arm 8 by screw.
Described the first rotor salient pole 5-1 and described second rotor with salient pole 5-2 is by upper salient pole and lower salient pole composition, keep the gap of 0.5 ~ 1 millimeter between the cylindrical of described upper salient pole and the inner circle of described external stator 7, between the cylindrical of described lower salient pole and the cylindrical of described internal stator 3, keep the gap of 0.5 ~ 1 millimeter.
The inner lead 4 for cooling is provided with in described internal stator 3, the outer water channel 6 for cooling is provided with in described external stator 7, water in water in described inner lead 4 and described outer water channel 6 all with the cooling water circulation of engine, or the independent cooling device of the electromagnetism liquid-cooled retarder all constructed with described bimorph transducer circulates.
The electromagnetism liquid-cooled retarder of described bimorph transducer structure also comprises control module 9, and described control module 9 is connected with described coil 10 by wire, and control power on/off, control module 9 can change the size of coil current, to reach the object controlling braking moment.
Described retarder support 2 and described rotor arm 8 are made by non-magnet material.Described non-magnet material is mainly aluminium, also can be other non-magnet material.
In accompanying drawing 1, label 11 represents magnetic circuit.
When the present invention works, control module 9 makes storage battery be communicated with coil 10, coil 10 is made to obtain excitation, now produce the magnetic line of force in external stator 7 and internal stator 3, two stator cutting magnetic lines, eddy current is produced in internal stator 3 and external stator 7, and produce the moment of resistance hindering rotor 5 to continue rotation, this moment of resistance is delivered to the power transmission shaft 1 of automobile by rotor arm 8 and the key on it, thus automobile is played to the effect of retarder brake, during braking, because eddy current effect is on internal stator 3 and external stator 7, two stators produce heat, this heat is walked by the water-band in inner lead 4 and outer water channel 6.When not needing braking, the exciting current in coil 10 is closed by control module 9, now also would not produce the magnetic line of force in coil 10, and internal stator 3 and external stator 7 also can not do cutting magnetic induction line motion, namely can not produce braking moment.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (7)

1. the electromagnetism liquid-cooled retarder of a bimorph transducer structure, it is characterized in that: comprise rotor arm, rotor, internal stator, external stator, retarder support and coil, described rotor arm is connected with the power transmission shaft of automobile by key, described rotor is connected with described power transmission shaft by described rotor arm, and move together with described power transmission shaft, described rotor is between described internal stator and described external stator, described internal stator and described external stator are all connected with described retarder support by screw, described retarder support is connected with described power transmission shaft, described coil winding is on described internal stator, described internal stator, external stator and coil are stationary parts.
2. the electromagnetism liquid-cooled retarder of bimorph transducer structure according to claim 1, it is characterized in that: described rotor comprises the first rotor salient pole, the second rotor with salient pole and non-magnetic ring, described the first rotor salient pole is connected with described second rotor with salient pole by described non-magnetic ring, and described second rotor with salient pole is connected with described rotor arm by screw.
3. the electromagnetism liquid-cooled retarder of bimorph transducer structure according to claim 2, it is characterized in that: described the first rotor salient pole and described second rotor with salient pole are by upper salient pole and lower salient pole composition, keep the gap of 0.5 ~ 1 millimeter between the cylindrical of described upper salient pole and the inner circle of described external stator, between the cylindrical of described lower salient pole and the cylindrical of described internal stator, keep the gap of 0.5 ~ 1 millimeter.
4. the electromagnetism liquid-cooled retarder of the bimorph transducer structure according to any one of claims 1 to 3, it is characterized in that: in described internal stator, be provided with the inner lead for cooling, the outer water channel for cooling is provided with in described external stator, water in water in described inner lead and described outer water channel all with the cooling water circulation of engine, or the independent cooling device of the electromagnetism liquid-cooled retarder all constructed with described bimorph transducer circulates.
5. the electromagnetism liquid-cooled retarder of the bimorph transducer structure according to any one of claims 1 to 3, it is characterized in that: the electromagnetism liquid-cooled retarder of described bimorph transducer structure also comprises control module, described control module is connected with described coil by wire, controls power on/off.
6. the electromagnetism liquid-cooled retarder of the bimorph transducer structure according to any one of claims 1 to 3, is characterized in that: described retarder support and described rotor arm are made by non-magnet material.
7. the electromagnetism liquid-cooled retarder of bimorph transducer structure according to claim 6, is characterized in that: described non-magnet material is aluminium.
CN201310518207.3A 2013-10-28 2013-10-28 Double-stator electromagnetic liquid-cooled retarder Pending CN104578686A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104868693A (en) * 2015-05-23 2015-08-26 哈尔滨工业大学 Hybrid excitation type brake with velocity measurement function
CN106130311A (en) * 2016-06-29 2016-11-16 清华大学 One has eddy-current brake and takes the bifunctional electromagnetic brake motor that can generate electricity

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030122436A1 (en) * 2001-12-31 2003-07-03 Desta Girma G. Reluctance generator for an eddy current braking system
CN102299608A (en) * 2011-07-12 2011-12-28 北京工业大学 Liquid cooling auto-excitation-type eddy current retarder without electric brush structure
CN103259385A (en) * 2013-05-10 2013-08-21 北京工业大学 Liquid-cooled salient pole electromagnetic retarder with lightweight rotor
CN203522495U (en) * 2013-10-28 2014-04-02 扬州安行机电科技有限公司 Electromagnetic liquid cooling retarder of double-stator construction

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030122436A1 (en) * 2001-12-31 2003-07-03 Desta Girma G. Reluctance generator for an eddy current braking system
CN102299608A (en) * 2011-07-12 2011-12-28 北京工业大学 Liquid cooling auto-excitation-type eddy current retarder without electric brush structure
CN103259385A (en) * 2013-05-10 2013-08-21 北京工业大学 Liquid-cooled salient pole electromagnetic retarder with lightweight rotor
CN203522495U (en) * 2013-10-28 2014-04-02 扬州安行机电科技有限公司 Electromagnetic liquid cooling retarder of double-stator construction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104868693A (en) * 2015-05-23 2015-08-26 哈尔滨工业大学 Hybrid excitation type brake with velocity measurement function
CN106130311A (en) * 2016-06-29 2016-11-16 清华大学 One has eddy-current brake and takes the bifunctional electromagnetic brake motor that can generate electricity

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Application publication date: 20150429

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