CN107834727A - The rotor of electromagnetism liquid-cooled retarder - Google Patents
The rotor of electromagnetism liquid-cooled retarder Download PDFInfo
- Publication number
- CN107834727A CN107834727A CN201711183791.6A CN201711183791A CN107834727A CN 107834727 A CN107834727 A CN 107834727A CN 201711183791 A CN201711183791 A CN 201711183791A CN 107834727 A CN107834727 A CN 107834727A
- Authority
- CN
- China
- Prior art keywords
- rotor
- rotor body
- gear teeth
- electromagnetism liquid
- cooled retarder
- 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
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention discloses a kind of rotor of electromagnetism liquid-cooled retarder, including rotor body, and it is the disc structure that middle part has through hole；Several evenly spaced gear teeth are provided with the outer rim of the rotor body；Open slot, it is arranged between the two neighboring gear teeth；The open slot be from the rotor body central concave from outer rim to the rotor body groove.It can efficiently dissipate the heat in coil by being improved to the structure of conventional rotors by rotor, improve the magnetic utilization rate of total, extend the continuous braking time of electromagnetism liquid-cooled retarder.
Description
Technical field
It is more particularly to a kind of to be used for car or heavy-duty car the present invention relates to electromagnetism liquid-cooled retarder accessory technical field
Rotor.
Background technology
As a kind of complemental brake system, the application on motor bus and heavy-duty commercial vehicle gradually increases electromagnetism liquid-cooled retarder
It is more.The device is made up of fixed disk, the first rotor, coil, stator and the second rotor, installed in speed change box back, and with transmission
Axle is connected, and realizes that contactless type is braked by electromagnetic induction principle, reduces foundation brakes abrasion, extends brake shoes and use the longevity
Life.
The operation principle of electromagnetism liquid-cooled retarder is, exciting current is passed through into retarder coil during work, at first turn
Loop is formed between son, air gap, stator, air gap, the second rotor, connecting cylinder.Cause magnetic flux when field spider is with drive axis
The change of amount, the magnetic line of force caused by current loop cutting stator in stator inner surface generation vortex flow, the field spider of rotation
And produce electromagnetic force, its direction rotated with field spider it is in opposite direction, electromagnetic force make a concerted effort along stator inner surface formed one
The braking moment opposite with rotor direction of rotation, so as to realize the deceleration to vehicle.Heat is produced with inside in stator inner surface
Circulating cooling liquid take away.
Electromagnetism liquid-cooled retarder belongs to non-contact type braking, and caused heat is taken away by inner loop coolant, tool
Have that brake efficiency is high, heat fading is small, continuous braking performance is good and the features such as fast response time.Understood according to experiment, electromagnetic liquid is cold slow
During fast device continuous firing, stator inner surface temperature up to 285 DEG C, field spider working face due to reasons such as the heat radiations of stator,
For temperature also at 90 DEG C or so, stator temperature can be radiated Inside coil, self-heating during coil working, simultaneously because the heat of stator
The reasons such as radiation cause coil temperature to raise, and resistance becomes big, and exciting current diminishes, and influences the continuous braking of electromagnetism liquid-cooled retarder
Performance, so as to influence vehicle safe driving.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of rotor of electromagnetism liquid-cooled retarder, pass through the structure to conventional rotors
It is improved, the heat in coil can be efficiently dissipated by rotor, improve the magnetic utilization rate of total, extends electromagnetic liquid
The continuous braking time of cold retarder.
In order to realize according to object of the present invention and further advantage, there is provided a kind of electromagnetism liquid-cooled retarder turns
Son, including：
Rotor body, it is the disc structure that middle part has through hole；Several are provided with the outer rim of the rotor body
The evenly spaced gear teeth；
Open slot, it is arranged between the two neighboring gear teeth；The open slot is from the outer rim of the rotor body to institute
State the groove of the central concave of rotor body.
Preferably, in the rotor of described electromagnetism liquid-cooled retarder, the thickness of the gear teeth is less than the rotor body
Thickness, and the one side of the gear teeth is concordant with the upper surface of the rotor body.
Preferably, in the rotor of described electromagnetism liquid-cooled retarder, in addition to：
Connecting cylinder, it is the tubular structure for the both ends open that internal diameter is engaged with the outer rim of the rotor body；The company
One end of connect cylinder is set in the outside of the rotor body by the lower surface of the rotor body；
Flange, it is connected to the other end of the connecting cylinder.
Preferably, in the rotor of described electromagnetism liquid-cooled retarder, the end face of the gear teeth is arranged to inclined-plane, described oblique
The angle of inclination of face with respect to the horizontal plane is 12-18 °.
Preferably, in the rotor of described electromagnetism liquid-cooled retarder, the rotor body, the gear teeth and open slot are integrated
Chemical conversion type is set.
The present invention comprises at least following beneficial effect：
Outside some evenly spaced gear teeth of setting of the invention by rotor body, between wheel between cog has necessarily
Gap so that for rotor in rotary course, the gap for taking turns between cog forms air channel, enables to the heat in coil to be dissipated by air channel
Go out, so as to ensure that the temperature of coil will not be too high, and then avoid coil because temperature raises so that resistance becomes big, excitation
Electric current diminishes, so as to ensure that the braking effect of the electromagnetism liquid-cooled retarder using rotor of the present invention.
The present invention wheel between cog set from the rotor body central concave from outer rim to rotor body open slot, one
Aspect increases the intake of electromagnetism liquid-cooled retarder coil, enabling the further line of cooling electromagnetism liquid-cooled retarder
Circle；On the other hand the quality of rotor can be reduced by the setting of open slot, and reduces raw material use, reduced and be produced into
This, meanwhile, reduce the weight of the electromagnetism liquid-cooled retarder using the rotor, improve the magnetic of whole electromagnetism liquid-cooled retarder
Utilization rate, extend the continuous braking time of electromagnetism liquid-cooled retarder.
Be found through experiments that, traditional current vortex retarder vehicle brake 12min when, braking moment decline 55% with
On, and the electromagnetism liquid-cooled retarder of rotor of the present invention is used under the conditions of of the same race, braking moment declines within 25%,
Therefore the rotor causes the continuous braking performance of electromagnetism liquid-cooled retarder to be significantly better than existing current vortex retarder.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structure chart of rotor of the present invention；
Fig. 2 is the structural representation of the vertical section of rotor of the present invention；
Fig. 3 is the decomposition texture schematic diagram of electromagnetism liquid-cooled retarder involved in the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein are not precluded from one or more
The presence or addition of individual other elements or its combination.
As depicted in figs. 1 and 2, the present invention provides a kind of rotor of electromagnetism liquid-cooled retarder, including：Rotor body 1, it is
Middle part has the disc structure of through hole；Several evenly spaced gear teeth 2 are provided with the outer rim of the rotor body 1.
Open slot 3, it is arranged between the two neighboring gear teeth 2；The open slot 3 is the outer rim by the rotor body 1
To the groove of the central concave of the rotor body 1.
In such scheme, by setting some evenly spaced gear teeth in the outside of rotor body, wheel between cog has one
Fixed gap so that for rotor in rotary course, the gap for taking turns between cog forms air channel, enables to the heat in coil to pass through wind
Road sheds, and so as to ensure that the temperature of coil will not be too high, and then avoids coil because temperature raises so that and resistance becomes big,
Exciting current diminishes, so as to ensure that the braking effect of the electromagnetism liquid-cooled retarder using rotor of the present invention.
In addition, by wheel between cog set from the rotor body central concave from outer rim to rotor body opening
Groove, on the one hand increase the intake of electromagnetism liquid-cooled retarder coil, enabling further cooling electromagnetism liquid-cooled retarder
Coil, coil temperature compared with rotor body set open slot before have dropped 7% or so；On the other hand the setting energy of open slot is passed through
Enough reduce the quality of rotor, weight is light by 5% or so before open slot compared with setting, and reduces raw material use, reduces production
Cost, meanwhile, reduce the weight of the electromagnetism liquid-cooled retarder using the rotor, improve whole electromagnetism liquid-cooled retarder
Magnetic utilization rate, extend the continuous braking time of electromagnetism liquid-cooled retarder.
In one preferred scheme, the thickness of the gear teeth 2 is less than the thickness of the rotor body 1, and the one of the gear teeth 2
Side is concordant with the upper surface of the rotor body 1.
In such scheme, the thickness by limiting the gear teeth is less than the thickness of rotor body, and the one side of the gear teeth is with turning
The upper surface of sub- body is concordant, has both reduced the thickness of the gear teeth, so as to alleviate the weight of whole rotor, and causes rotor body
Side wall have the gear teeth close to the side of lower surface, so as to facilitate miscellaneous part to be connected with the rotor, that is, facilitate turn
The sub subsequently installation in electromagnetism liquid-cooled retarder.
In one preferred scheme, in addition to：Connecting cylinder 4, it is two that internal diameter is engaged with the outer rim of the rotor body 1
The tubular structure of end opening；One end of the connecting cylinder 4 is set in the rotor body 1 by the lower surface of the rotor body 1
Outside；Flange 5, it is connected to the other end of the connecting cylinder 4.
In such scheme, pass through the setting of connecting cylinder so that flange can be connected with rotor body, and then to turn
Son can be connected by flange with the flange of speed change box back, entirely rotor will be fixed on the flange of output shaft of gear-box,
The rotation of gearbox flange drives rotating together with for retarder rotor flange.
In one preferred scheme, the end face of the gear teeth 2 is arranged to inclined-plane, the inclination angle of the inclined-plane with respect to the horizontal plane
Spend for 12-18 °.
In such scheme, the end face of gear is the working face of rotor, and the end face of the gear teeth is arranged into inclined-plane, Ji Jiangzhuan
The working face of son is arranged to inclined-plane, and is found through experiments that, by the way that working face to be arranged to 12-18 ° of inclined-plane, using described turn
The torque value of the electromagnetism liquid-cooled retarder of son improves 18%, and when by the bevel angle of working face be set smaller than 12 ° or
During more than 18 °, final excitation efficiency reduces 20% when being arranged on 12-18 ° than working face.
In one preferred scheme, the rotor body 1, the gear teeth 2 and the integrated shaping of open slot 3 are set.
In such scheme, rotor body, the gear teeth and the integrated shaping of open slot are set so that the processing of the rotor
It is easier with manufacture craft, convenient processing, production cost can be reduced.
As shown in figure 3, a kind of electromagnetism liquid-cooled retarder of rotor using electromagnetism liquid-cooled retarder of the present invention
Structure and operation principle are as follows：
The electromagnetism liquid-cooled retarder is by fixed disk 101, the first rotor 102, coil 103, stator 104, the second rotor 105
Composition, is connected by flange 5 with the flange of speed change box back, fixed disk 101 and the gear-box bracket phase of electromagnetism liquid-cooled retarder
Even.When electromagnetism liquid-cooled retarder works, the rotation of power transmission shaft drives the cold rotor of retarder the first rotor 102 and second of electromagnetic liquid
105 rotate, and are passed through direct current in the coil 103 of electromagnetism liquid-cooled retarder, magnetic field is produced inside electromagnetism liquid-cooled retarder, fixed
Sub- inner surface produces vortex flow, and then produces braking moment, realizes the deceleration to vehicle；And in the course of the work, the first rotor
With the second rotor due to the setting of the gear teeth so that form air channel in wheel between cog, and then cause the heat of coil to be carried out by air channel
Distribute.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the legend with description.
Claims (5)
1. a kind of rotor of electromagnetism liquid-cooled retarder, wherein, including：
Rotor body, it is the disc structure that middle part has through hole；Several intervals are provided with the outer rim of the rotor body
The uniform gear teeth；
Open slot, it is arranged between the two neighboring gear teeth；The open slot is from the outer rim of the rotor body to described turn
The groove of the central concave of sub- body.
2. the rotor of electromagnetism liquid-cooled retarder as claimed in claim 1, wherein, the thickness of the gear teeth is less than the rotor sheet
The thickness of body, and the one side of the gear teeth is concordant with the upper surface of the rotor body.
3. the rotor of electromagnetism liquid-cooled retarder as claimed in claim 2, wherein, in addition to：
Connecting cylinder, it is the tubular structure for the both ends open that internal diameter is engaged with the outer rim of the rotor body；The connecting cylinder
One end the outside of the rotor body is set in by the lower surface of the rotor body；
Flange, it is connected to the other end of the connecting cylinder.
4. the rotor of electromagnetism liquid-cooled retarder as claimed in claim 1, wherein, the end face of the gear teeth is arranged to inclined-plane, institute
The angle of inclination of inclined-plane with respect to the horizontal plane is stated as 12-18 °.
5. the rotor of electromagnetism liquid-cooled retarder as claimed in claim 1, wherein, the rotor body, the gear teeth and open slot are
Integrated molding is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711183791.6A CN107834727A (en) | 2017-11-23 | 2017-11-23 | The rotor of electromagnetism liquid-cooled retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711183791.6A CN107834727A (en) | 2017-11-23 | 2017-11-23 | The rotor of electromagnetism liquid-cooled retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107834727A true CN107834727A (en) | 2018-03-23 |
Family
ID=61652400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711183791.6A Pending CN107834727A (en) | 2017-11-23 | 2017-11-23 | The rotor of electromagnetism liquid-cooled retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107834727A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5771261A (en) * | 1980-10-17 | 1982-05-04 | Mitsubishi Electric Corp | Electromagnetic induction coupling device |
| JPS5875461A (en) * | 1981-10-28 | 1983-05-07 | Hino Motors Ltd | Cooling device for retarder |
| US5072930A (en) * | 1990-03-02 | 1991-12-17 | Giant Manufacturing Co., Ltd. | Load applying device for an exercise bicycle |
| JP2005210846A (en) * | 2004-01-23 | 2005-08-04 | Isuzu Motors Ltd | Eddy current deceleration apparatus |
| CN2879516Y (en) * | 2006-03-10 | 2007-03-14 | 无锡市凯瑞汽车润滑器件有限公司 | Drum type speed buffer rotor flow-guide blade device |
| 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 |
-
2017
- 2017-11-23 CN CN201711183791.6A patent/CN107834727A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5771261A (en) * | 1980-10-17 | 1982-05-04 | Mitsubishi Electric Corp | Electromagnetic induction coupling device |
| JPS5875461A (en) * | 1981-10-28 | 1983-05-07 | Hino Motors Ltd | Cooling device for retarder |
| US5072930A (en) * | 1990-03-02 | 1991-12-17 | Giant Manufacturing Co., Ltd. | Load applying device for an exercise bicycle |
| JP2005210846A (en) * | 2004-01-23 | 2005-08-04 | Isuzu Motors Ltd | Eddy current deceleration apparatus |
| CN2879516Y (en) * | 2006-03-10 | 2007-03-14 | 无锡市凯瑞汽车润滑器件有限公司 | Drum type speed buffer rotor flow-guide blade device |
| 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 |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180323 |
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| RJ01 | Rejection of invention patent application after publication |