CN203522494U - Electromagnetic liquid cooling retarder of external rotor construction - Google Patents

Electromagnetic liquid cooling retarder of external rotor construction Download PDF

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Publication number
CN203522494U
CN203522494U CN201320669627.7U CN201320669627U CN203522494U CN 203522494 U CN203522494 U CN 203522494U CN 201320669627 U CN201320669627 U CN 201320669627U CN 203522494 U CN203522494 U CN 203522494U
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China
Prior art keywords
rotor
stator
retarder
coil
external rotor
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CN201320669627.7U
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Chinese (zh)
Inventor
李德胜
聂柯
杨培俊
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Yangzhou Anxing Electromechanical Technology Co Ltd
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Yangzhou Anxing Electromechanical Technology Co Ltd
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Abstract

The utility model relates to an electromagnetic liquid cooling retarder of external rotor construction. The electromagnetic liquid cooling retarder comprises a rotor arm, a rotor, a stator, a retarder support and a coil, wherein the rotor arm is connected with a transmission shaft of an automobile through a key, the rotor is connected with the rotor arm, the rotor is connected with the transmission shaft through the rotor arm and moves with the transmission shaft, the rotor is a tooth-shaped rotation plate, the inner wall of the rotor is provided with two salient poles, the stator is connected with the retarder support, the coil is directly wound on the stator, and the coil and the stator are both stationary parts. The electromagnetic liquid cooling retarder of external rotor construction has the characteristic of non-contact type braking, effectively improves the braking performance of the automobile, is compact in structure, light in weight, and simple in installation, reduces maintenance, avoids environmental pollution, can realize stepless adjustment of brake moment, improves working efficiency, and is better adaptive to the demand of the automobile.

Description

A kind of electromagnetism liquid-cooled retarder of external rotor structure
Technical field
The utility model relates to a kind of electromagnetism liquid-cooled retarder, according to eddy current principle, the magnetic induction line motion that rotor cutting by High Rotation Speed is produced by coil produces braking moment, automobile is carried out to auxiliary braking, the liquid-cooled retarder that utilizes the cooling salient pole structure of circulating fluid that refers in particular to a kind of external rotor structure, belongs to automobile brake field.
Background technology
Name is called the disclosed current vortex retarder obtaining of utility model patent (number of patent application is CN201210061808.1) of " a kind of liquid-cooled current vortex retarder of salient pole structure ", adopt salient pole make, but the moment of inertia of field spider is very large, may affect to the drive system of automobile; This structure retarder needs coil brace, adds and has certain difficulty man-hour.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of electromagnetism liquid-cooled retarder of external rotor structure, and not only rotor quality is little for the electromagnetism liquid-cooled retarder of this external rotor structure, and moment of inertia is little, and compact conformation, long service life.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of electromagnetism liquid-cooled retarder of external rotor structure, comprise rotor arm, rotor, 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 rotor arm, described rotor is connected with described power transmission shaft by described rotor arm, and moves together with described power transmission shaft; Described rotor is profile of tooth rotating disk, and the inwall of described rotor is provided with plural salient pole, and described stator is connected with described retarder support, and described coil is directly wound on described stator, and described coil and stator are stationary parts.
The beneficial effects of the utility model are:
The utility model is as a kind of auxiliary brake device for automobile, and during its work, rotor, when rotating with rotating shaft, can cut the magnetic line of force that retarder coil sends, and now will on stator, produce vortex flow.Because stator exists certain resistance, the vortex flow of generation constantly be take electric energy formal transformation as heat energy, then by the water in water channel, heat is taken away.The utility model is exactly to utilize this principle constantly to consume and transform the mechanical energy of automobile, thereby plays the effect of braking.
The feature of the utility model maximum is contactless braking, effectively improves the braking ability of vehicle, compact conformation, and quality lightens, simple installation, reduces maintenance, has avoided environmental pollution, and can realize the electrodeless adjusting of braking moment, increase work efficiency, better adapt to the demand of vehicle.
In addition, in the electromagnetism liquid-cooled retarder of the utility model external rotor structure, the quality of rotor is little, compact conformation, and liquid-cooling heat radiation mode, keeps the stability of braking moment continuously, safe and reliable.Coil is directly wound on stator, makes processing technology simpler.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, between the inner headed face that the salient pole of described rotor forms and the periphery of described stator, keep the gap of 0.5~1 millimeter.
Further, in described stator, be provided with for cooling water channel, the water in described water channel and the cooling water circulation of engine, or with the independent cooling device circulation of the electromagnetism liquid-cooled retarder of described external rotor structure.
Adopt the beneficial effect of above-mentioned further scheme to be, the heat being produced by current vortex on stator inner surface is taken away and is dispersed in air by the cooling water in water channel.
Further, one end of described water channel is provided with water inlet, and the other end is provided with delivery port.
Further, the electromagnetism liquid-cooled retarder of described external rotor structure also comprises control module, and described control module is connected with described coil by wire, controls power on/off.
Further, described rotor is connected with described rotor arm by screw.
Further, described stator is connected with described retarder support by screw.
The operation principle of the electromagnetism liquid-cooled retarder of a kind of external rotor structure of the utility model is as follows:
During work, by control module, to coil power supply, in coil, after energising, can on stator, produce magnetic field, because coil is directly wound on stator, can form toroid.The magnetic line of force can separately arrive on rotor through air gap on stator, and the salient pole meeting cutting magnetic induction line due to rotor, can produce inductive loop at stator outer surface like this, and the magnetic line of force in air gap is perpendicular to the salient pole inner headed face of stator periphery and rotor.When truck drive shaft rotates, by rotor arm rotor driven, rotate, the magnetic line of force that rotor cutting stator sends, will produce eddy current braking moment at stator outer surface, and this braking moment acts on truck drive shaft by rotor arm, plays braking action.Control module can change the size of electric current in coil, can the utility model be realized continuously and being regulated.The heat producing on stator can be taken away by water channel, and the water in water channel can or circulate with the independent cooling device of retarder with the cooling water circulation of engine, realizes reciprocation cycle work.When if retarder does not need to brake, control module stops coil power supply, at this moment just can not produce magnetic field, on stator, also can not produce eddy current, can not produce braking moment.
Accompanying drawing explanation
Fig. 1 is the structural front view of the electromagnetism liquid-cooled retarder of the utility model external rotor structure;
Fig. 2 is the left view of the electromagnetism liquid-cooled retarder of the utility model external rotor structure;
Fig. 3 is the structural representation of rotor of the electromagnetism liquid-cooled retarder of the utility model external rotor structure;
In accompanying drawing, the list of parts of each label representative is as follows:
1, power transmission shaft, 2, coil, 3, retarder support, 4, stator, 5, rotor, 6, rotor arm, 7, water channel, 8, magnetic circuit, 9, control module, 10, water inlet, 11, delivery port, 12, salient pole.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
A kind of electromagnetism liquid-cooled retarder of external rotor structure, as shown in Figure 1, Figure 2, Figure 3 shows, comprise rotor arm 6, rotor 5, stator 4, retarder support 3 and coil 2, described rotor arm 6 is connected with the power transmission shaft 1 of automobile by key, described rotor 5 is connected with described rotor arm 6, described rotor 5 is connected with described power transmission shaft 1 by described rotor arm 6, and motion together with described power transmission shaft 1; Described rotor 5 is profile of tooth rotating disk, and the inwall of described rotor 5 is provided with plural salient pole 12, and described stator 4 is connected with described retarder support 3, and described coil 2 is directly wound on described stator 4, and described coil 2 and stator 4 are stationary parts.
Between the inner headed face that the salient pole 12 of described rotor 5 forms and the periphery of described stator 4, keep the gap of 0.5~1 millimeter.
In described stator 4, be provided with for cooling water channel 7, the water in described water channel 7 and the cooling water circulation of engine, or with the independent cooling device circulation of the electromagnetism liquid-cooled retarder of described external rotor structure.One end of described water channel is provided with water inlet 10, and the other end is provided with delivery port 11.
The electromagnetism liquid-cooled retarder of described external rotor structure also comprises control module 9, and described control module 9 is connected with described coil 2 by wire, controls power on/off.Control module 9 can change the size of coil 2 electric currents, to reach the object of controlling braking moment.
Described retarder support 3 and described rotor arm 6 are made by non-magnet material.Described non-magnet material can be aluminum, and other non-magnet materials also can.
Described rotor 5 is connected with described rotor arm 6 by screw.Described stator 4 is connected with described retarder support 3 by screw.
During work, control module 9 makes storage battery be communicated with coil 2, make coil 2 can obtain excitation, the interior generation magnetic line of force of stator 4 now, the magnetic line of force that rotor 5 cutting stators 4 send, at the interior generation eddy current of stator 4, and produces the moment of resistance that hinders rotor 5 lasting rotations, this moment of resistance is delivered to truck drive shaft 1 by rotor arm 6 and the key on it, thereby automobile is played to the effect of slow braking.During braking, because eddy current effect is on stator 4, on stator 4, produce heat, this heat is taken away by the water in water channel 7.When not needing to brake, the exciting current in coil 2 is closed by control module 9, now in coil 2, also just can not produce the magnetic line of force, and rotor 5 can not done cutting magnetic induction line motion yet, can not produce braking moment.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.

Claims (7)

1. the electromagnetism liquid-cooled retarder of an external rotor structure, it is characterized in that: comprise rotor arm (6), rotor (5), stator (4), retarder support (3) and coil (2), described rotor arm (6) is connected with the power transmission shaft (1) of automobile by key, described rotor (5) is connected with described rotor arm (6), described rotor (5) is connected with described power transmission shaft (1) by described rotor arm (6), and motion together with described power transmission shaft (1); Described rotor (5) is profile of tooth rotating disk, and the inwall of described rotor (5) is provided with plural salient pole (12), described stator (4) is connected with described retarder support (3), it is upper that described coil (2) is directly wound on described stator (4), and described coil (2) and stator (4) are stationary parts.
2. the electromagnetism liquid-cooled retarder of external rotor structure according to claim 1, is characterized in that: between the inner headed face that the salient pole (12) of described rotor (5) forms and the periphery of described stator (4), keep the gap of 0.5~1 millimeter.
3. the electromagnetism liquid-cooled retarder of external rotor structure according to claim 1, it is characterized in that: in described stator (4), be provided with for cooling water channel (7), water in described water channel (7) and the cooling water circulation of engine, or circulate with the independent cooling device of the electromagnetism liquid-cooled retarder of described external rotor structure.
4. the electromagnetism liquid-cooled retarder of external rotor structure according to claim 3, is characterized in that: one end of described water channel is provided with water inlet (10), and the other end is provided with delivery port (11).
5. the electromagnetism liquid-cooled retarder of external rotor structure according to claim 1, it is characterized in that: the electromagnetism liquid-cooled retarder of described external rotor structure also comprises control module (9), described control module (9) is connected with described coil (2) by wire, controls power on/off.
6. according to the electromagnetism liquid-cooled retarder of the external rotor structure described in claim 1 to 5 any one, it is characterized in that: described rotor (5) is connected with described rotor arm (6) by screw.
7. according to the electromagnetism liquid-cooled retarder of the external rotor structure described in claim 1 to 5 any one, it is characterized in that: described stator (4) is connected with described retarder support (3) by screw.
CN201320669627.7U 2013-10-28 2013-10-28 Electromagnetic liquid cooling retarder of external rotor construction Active CN203522494U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104362828A (en) * 2014-10-29 2015-02-18 北京工业大学 Eddy-current air-cooling retarder of doubly-salient structure
CN104578684A (en) * 2013-10-28 2015-04-29 扬州安行机电科技有限公司 Electromagnetic liquid cooling decelerator adopting outer rotor structure
CN105099124A (en) * 2014-05-13 2015-11-25 扬州安行机电科技有限公司 Front-mounted electromagnetic liquid cooling retarder for engine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104578684A (en) * 2013-10-28 2015-04-29 扬州安行机电科技有限公司 Electromagnetic liquid cooling decelerator adopting outer rotor structure
CN105099124A (en) * 2014-05-13 2015-11-25 扬州安行机电科技有限公司 Front-mounted electromagnetic liquid cooling retarder for engine
CN105099124B (en) * 2014-05-13 2018-05-25 扬州安行机电科技有限公司 Engine behind front wheel formula electromagnetism liquid-cooled retarder
CN104362828A (en) * 2014-10-29 2015-02-18 北京工业大学 Eddy-current air-cooling retarder of doubly-salient structure

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