CN203608064U - Middle-mounted doubly salient liquid cooling eddy current retarder - Google Patents
Middle-mounted doubly salient liquid cooling eddy current retarder Download PDFInfo
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- CN203608064U CN203608064U CN201320792505.7U CN201320792505U CN203608064U CN 203608064 U CN203608064 U CN 203608064U CN 201320792505 U CN201320792505 U CN 201320792505U CN 203608064 U CN203608064 U CN 203608064U
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- 238000001816 cooling Methods 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 241000239290 Araneae Species 0.000 claims description 2
- 230000001788 irregular Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000004804 winding Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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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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- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Braking Arrangements (AREA)
Abstract
The utility model relates to an automobile auxiliary braking system, and specifically relates to a middle-mounted doubly salient liquid cooling eddy current retarder. The middle-mounted doubly salient liquid cooling eddy current retarder comprises a retarder rotor, a retarder stator, a retarder coil, a control module and retarder end covers, wherein the retarder rotor comprises a main rotor and an auxiliary rotor, the auxiliary rotor is connected to and fixed on the main rotor through a bolt, the main rotor is connected with a transmission shaft through a tapered roller bearing, the top end of the retarder rotor is connected to the retarder stator, and an inner circle of the retarder stator and an outer circle of the retarder rotor are concentric; the retarder coil is fixed on the retarder stator, two ends of the retarder stator are connected to the retarder end covers respectively; and the retarder coil is connected to a wire sleeve, and the control module is connected to the retarder coil through the wire sleeve. The middle-mounted doubly salient liquid cooling eddy current retarder simplifies winding, mounting and control of the coil, effectively uses the magnetic energy, adopts a heat-dissipation method of liquid cooling, is good in heat dissipation performance, safe and reliable, increases a braking effect of the retarder.
Description
Technical field
The utility model relates to automobile assistant braking system, definite, be a kind of middle double-salient-pole liquid cooling current vortex retarder.
Background technology
Current vortex retarder is as a kind of auxiliary brake device for automobile, the rotor rotating when its work is in the time rotating with rotating shaft, with the rotation of rotor, generating period changes air gap flux density, therefore within the scope of stator inner surface and certain depth, produce induced electromotive force and produce eddy current, the magnetic field that eddy current produces and air-gap field interact and produce braking moment, the kinetic energy of automobile can be that thermal energy consumption is fallen by this change of medium of magnetic field, and then reaches the effect of retarding braking.
The feature of current vortex retarder maximum is contactless braking, effectively improve the braking ability of vehicle, compact conformation, quality lightens, and simple installation reduces maintenance, avoid environmental pollution, and can realize the electrodeless adjusting of braking moment, greatly improve fail safe, comfortableness and economy, the minimizing driver of running car fatigue, increase work efficiency, better adapt to the demand of vehicle.
The new standard of complemental brake system that propose in September, 2012 " motor vehicle safe and technical specification ": vehicle commander is greater than the passenger vehicle of 9m, lorry that gross mass is greater than 12t and the transport vehicle of all dangerous cargos, should equip retarder or other complemental brake systems, and the performance requirement of complemental brake system should meet relevant regulations.This will promote the development of retarder, and these vehicles require generally more than 1200Nm the output torque of retarder, but installing space is limited, and physical dimension and output torque to retarder have strict demand.
Existing current vortex retarder, has the product of identical output performance (moment of torsion), all has following defect: 1) volume is larger, is not suitable for being arranged on these vehicles; 2) generate heat too fastly, retarder work time produces a large amount of heat energy, can not effectively dissipate, and causes the too fast rising of retarder temperature, and braking moment decline is too fast, affects driving safety.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of middle double-salient-pole liquid cooling current vortex retarder, described apparatus structure rotor quality is less, can effectively subtract trochantinian moment of inertia, adopt liquid-cooling heat radiation mode, the braking moment heat fading problem causing while effectively solving current vortex retarder because of continuous firing, the advantages such as speed buffer structure compactness, volume mass are less, long service life.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of middle double-salient-pole liquid cooling current vortex retarder, comprise retarder rotor, retarder stator, retarder coil, control module retarder end cap, described retarder rotor comprises main rotor and secondary rotor, described secondary rotor is bolted and is fixed on main rotor, described main rotor is connected with power transmission shaft by taper roll bearing, described retarder rotor is connected with retarder stator on top, and described retarder stator inner circle is concentric with described retarder rotor cylindrical; Described retarder coil is fixed on retarder stator; Described retarder stator two ends are connected with respectively retarder end cap; On described retarder coil, be connected with wire sleeve, described control module is connected with retarder coil by wire sleeve.
On the basis of technique scheme, the utility model can also do following improvement.
Further, described main rotor and described secondary rotor are profile of tooth rotating disk, and this its axial section of profile of tooth rotating disk is irregular I shape, and I shape both sides are protruding field spider.
Further, described main rotor and described power transmission shaft are provided with key.
Further, described retarder coil be one independently coil be fixed on retarder stator.
Further, described control module is the braking moment size that converts to hinder retarder rotor by the size of exciting current in adjusting retarder coil.
Further, between each described retarder end cap lower end and described power transmission shaft, connection bearing baffle plate is provided with flange in the outside of bearing baffle described in each.
Further, between described retarder rotor salient pole cylindrical and retarder stator inner wall, be spaced apart 0.5～1mm.
The beneficial effects of the utility model are: the utility model is simple in structure, and retarder comprises control module.Coil adopts concentrates the absolute coil of coiling to be sleeved in the middle of rotor disk, has simplified coil winding, installation and control, and has been easy to assembling; Coil is fixed on stator internal circular surfaces, is stationary coil; The salient-pole structure of retarder rotor has guaranteed the vertical of the magnetic line of force and retarder rotor cylindrical and retarder stator inner headed face, is conducive to utilize to greatest extent magnetic energy; Retarder rotor is made up of major and minor rotor, with power transmission shaft synchronous rotary, has reduced the excessive problem of moment of inertia of being brought by retarder rotor, compact conformation, volume mass are less, liquid-cooling heat radiation mode, good heat dissipation effect, retarder temperature is low, and heat fading is little, coil is difficult for burning, can realize very large equivalent moment, keep continuously the stability of braking moment, and there is unique control mode, safe and reliable, strengthen the braking effect of retarder.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of middle double-salient-pole liquid cooling current vortex retarder of the present utility model;
Fig. 2 is the axial section schematic diagram of a kind of middle double-salient-pole liquid cooling current vortex retarder of the present utility model.
In accompanying drawing, the list of parts of each label representative is as follows:
1, power transmission shaft, 2, key, 3, taper roll bearing, 4, retarder end cap, 5, control module, 6, retarder stator, 7, wire sleeve, 8, retarder water channel, 9, retarder coil, 10, main rotor, 11, secondary rotor, 12, bearing baffle, 13, hex bolts, 14, flange, 15, retarder rotor.
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.
As shown in Figure 1, for the structural representation of a kind of middle double-salient-pole liquid cooling current vortex retarder of the present utility model, comprise retarder rotor 15, retarder stator 6, retarder coil 9, control module 5, retarder end cap 4, described retarder rotor 15 comprises main rotor 10 and secondary rotor 11, described secondary rotor 11 is bolted and is fixed on main rotor 10, described main rotor 10 is connected with power transmission shaft 1 by taper roll bearing 3, described retarder rotor is connected with retarder stator 6 on 15 tops, described retarder stator, 6 inner circles are concentric with described retarder rotor 15 cylindricals, described retarder coil 9 is fixed on retarder stator 6, described retarder stator 6 two ends are connected with respectively retarder end cap 4, on described retarder coil 9, be connected with wire sleeve 7, described control module 5 is connected with retarder coil 9 by wire sleeve 7.
Between described main rotor 10 and described power transmission shaft 1, be connected by key 2; Described secondary rotor 11 is fixed on described main rotor 10 by hex bolts 13; Described retarder coil 9 is concentrated and is turned to an absolute coil, is fixed on the inwall of retarder stator 6, and is arranged between two salient poles of described retarder rotor 15.The wire of retarder coil 9 is drawn by the wire sleeve 7 through retarder stator 6, and is connected to control module 5, controls the exciting current in retarder coil 9 by control module 5; Retarder stator 6 is fixed by screws on retarder end cap 4; Retarder end cap 4 is connected with power transmission shaft 1 by taper roll bearing 3, and bearing baffle 12 is connected by the major and minor rotor 11 of screw and retarder 10; Control module 5 receives after speed and gear information, and the size of electric current in retarder coil 9 is regulated.Interval between two salient poles and retarder stator 6 inwalls of retarder rotor 15 keeps 0.5～1mm.On described retarder stator 6, have water channel 8, be positioned at described retarder stator 6 outermost.
As shown in Figure 2, be the axial section schematic diagram of a kind of middle double-salient-pole liquid cooling current vortex retarder of the present utility model.
In example, truck drive shaft 1 drives described retarder rotor 15 synchronous rotaries while rotation.When automobile need to be braked, retarder is started working, and exciting current size in retarder coil 9 is controlled and regulated to described control module 5, now, produces the magnetic line of force in retarder rotor.Retarder stator 6 cuts the magnetic line of force that the salient pole of retarder rotor 15 sends, at the interior generation eddy current of retarder stator 6, and producing the moment of resistance that obstruction retarder rotor 15 is rotated further, this moment of resistance is passed to truck drive shaft 1 by retarder rotor 15, thereby automobile is played to slow braking action.In the time not needing to brake, first control module 5 cuts off the exciting current in retarder coil 9, in retarder rotor 15, can not produce the magnetic line of force, and retarder stator 6 can not do cutting magnetic induction line motion yet, can not produce braking moment; Now, only have truck drive shaft to drive retarder rotor 15 to rotate.
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. a middle double-salient-pole liquid cooling current vortex retarder, it is characterized in that, comprise retarder rotor (15), retarder stator (6), retarder coil (9), control module (5), retarder end cap (4), described retarder rotor (15) comprises main rotor (10) and secondary rotor (11), described secondary rotor (11) is bolted and is fixed on main rotor (10), described main rotor (10) is connected with power transmission shaft (1) by taper roll bearing (3), described retarder rotor (15) is connected with retarder stator (6) on top, described retarder stator (6) inner circle is concentric with described retarder rotor (15) cylindrical, described retarder coil (9) is fixed on retarder stator (6), described retarder stator (6) two ends are connected with respectively retarder end cap (4), on described retarder coil (9), be connected with wire sleeve (7), described control module (5) is connected with retarder coil (9) by wire sleeve (7).
2. a kind of middle double-salient-pole liquid cooling current vortex retarder according to claim 1, it is characterized in that, described main rotor (10) is profile of tooth rotating disk with described secondary rotor (11), and this its axial section of profile of tooth rotating disk is irregular I shape, and I shape both sides are protruding field spider.
3. a kind of middle double-salient-pole liquid cooling current vortex retarder according to claim 1, is characterized in that, described main rotor (10) is provided with key (2) with described power transmission shaft (1).
4. a kind of middle double-salient-pole liquid cooling current vortex retarder according to claim 1, is characterized in that, described retarder coil (9) be one independently coil be fixed on retarder stator (6).
5. a kind of middle double-salient-pole liquid cooling current vortex retarder according to claim 1, it is characterized in that, described control module (5) is the braking moment size that the size by regulating exciting current in retarder coil (9) converts to hinder retarder rotor.
6. a kind of middle double-salient-pole liquid cooling current vortex retarder according to claim 1, it is characterized in that, connection bearing baffle plate (4) between each described retarder end cap (4) lower end and described power transmission shaft (1), the outside of bearing baffle described in each (4) is all provided with flange (14).
7. according to the arbitrary described a kind of middle double-salient-pole liquid cooling current vortex retarder of claim 1 to 6, it is characterized in that, between described retarder rotor (15) salient pole cylindrical and retarder stator (6) inwall, be spaced apart 0.5～1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320792505.7U CN203608064U (en) | 2013-12-03 | 2013-12-03 | Middle-mounted doubly salient liquid cooling eddy current retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320792505.7U CN203608064U (en) | 2013-12-03 | 2013-12-03 | Middle-mounted doubly salient liquid cooling eddy current retarder |
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| Publication Number | Publication Date |
|---|---|
| CN203608064U true CN203608064U (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320792505.7U Expired - Lifetime CN203608064U (en) | 2013-12-03 | 2013-12-03 | Middle-mounted doubly salient liquid cooling eddy current retarder |
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| Country | Link |
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| CN (1) | CN203608064U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553203A (en) * | 2016-01-13 | 2016-05-04 | 常州大米机电科技有限公司 | Air cooling and liquid cooling combined type electric eddy current retarder |
| CN114629326A (en) * | 2022-04-13 | 2022-06-14 | 中国北方车辆研究所 | Eddy current retarder excited by tooth-shaped coil |
| CN114962498A (en) * | 2022-06-13 | 2022-08-30 | 安阳工学院 | Single-coil hydraulic-electric composite retarder with stator connecting piece having salient pole structure |
-
2013
- 2013-12-03 CN CN201320792505.7U patent/CN203608064U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553203A (en) * | 2016-01-13 | 2016-05-04 | 常州大米机电科技有限公司 | Air cooling and liquid cooling combined type electric eddy current retarder |
| CN114629326A (en) * | 2022-04-13 | 2022-06-14 | 中国北方车辆研究所 | Eddy current retarder excited by tooth-shaped coil |
| CN114629326B (en) * | 2022-04-13 | 2024-03-15 | 中国北方车辆研究所 | Eddy current retarder excited by tooth-shaped coil |
| CN114962498A (en) * | 2022-06-13 | 2022-08-30 | 安阳工学院 | Single-coil hydraulic-electric composite retarder with stator connecting piece having salient pole structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |