CN107659113A - A kind of cold electromagnetic retarder of liquid - Google Patents
A kind of cold electromagnetic retarder of liquid Download PDFInfo
- Publication number
- CN107659113A CN107659113A CN201711052419.1A CN201711052419A CN107659113A CN 107659113 A CN107659113 A CN 107659113A CN 201711052419 A CN201711052419 A CN 201711052419A CN 107659113 A CN107659113 A CN 107659113A
- Authority
- CN
- China
- Prior art keywords
- plate
- stator
- turbulence
- power transmission
- transmission shaft
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/24—Electrodynamic brake systems for vehicles in general with additional mechanical or electromagnetic braking
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The present invention provides a kind of cold electromagnetic retarder of liquid, and it includes：Stator, rotor, power transmission shaft, bearing, cover plate, connecting plate, pressing plate, back-up ring, oil sealing.Power transmission shaft passes through stator, and relative stator is rotated, bearing is arranged between stator and power transmission shaft, the import of coolant is further opened with stator, import is connected with stator interior space, the surface of the inner space of stator is provided with some the first turbulence plates being parallel to each other and some second turbulence plates being arranged above some the first turbulence plates being parallel to each other, and the second turbulence plate surrounds the cavity structure of insertion, and any turbulence plate another turbulence plate that ranked second adjacent thereto that ranked second shifts to install.The cold electromagnetic retarder of liquid of the present invention enhances the turbulent flow effect of coolant, so as to improve the heat exchanger effectiveness between coolant and stator, effectively reduces the temperature of stator, extend the service life of stator by setting the first turbulence plate and the second turbulence plate.
Description
Technical field
The present invention relates to a kind of automobile retarder, more particularly to a kind of cold electromagnetic retarder of liquid.
Background technology
Automobile retarder be by control circuit to field frame assembly magnet exciting coil be powered, produce magnetic field, rotor assembly with
System of vehicle transmission part rotates at a high speed, cutting magnetic line, produces opposing torque, makes the device of vehicle deceleration.According to its operation principle
Difference, automobile retarder can be divided into electromagnetic retarder, engine retarder, Retarder, electric turbine retarder, motor
The structure type such as retarding device and aerodynamic retarder.For electromagnetic retarder, existing electromagnetic retarder is present
Cooling effect is poor, and then the problem of have impact on the service life of electromagnetic retarder.
Therefore, in view of the above-mentioned problems, being necessary to propose further solution.
The content of the invention
It is an object of the invention to provide a kind of cold electromagnetic retarder of liquid, to overcome the deficiencies in the prior art.
For achieving the above object, the present invention provides a kind of cold electromagnetic retarder of liquid, and it includes：Stator, rotor, transmission
Axle, bearing, cover plate, connecting plate, pressing plate, back-up ring, oil sealing；
The power transmission shaft passes through the stator, and is rotated relative to the stator, and the bearing is arranged at the stator
Between power transmission shaft, the import of coolant is further opened with the stator, the import is connected with the stator interior space,
The surface of the inner space of the stator is provided with some the first turbulence plates being parallel to each other and is arranged at described some mutual
Some second turbulence plates above the first parallel turbulence plate, second turbulence plate surround the cavity structure of insertion, Ren Yipai
Second turbulence plate described in second turbulence plate another row adjacent thereto is shifted to install, and winding wire is provided with the stator
Circle, the rotor is regularly set on the power transmission shaft, and synchronizes motion with the power transmission shaft, and the rotor is located at institute
State between stator and the power transmission shaft, be fixedly connected between the bearing and the stator by the first bolt, the shield ring sleeve
Loaded on the power transmission shaft, and the back-up ring is set between the power transmission shaft and bearing between the back-up ring and the bearing
The oil sealing is equipped with, the cover plate is symmetrically disposed on the both ends of the power transmission shaft, and the cover plate passes through the second bolt and institute
The end for stating power transmission shaft is fixedly connected, and the connecting plate is arranged between the cover plate and rotor, and the edge of the cover plate passes through
3rd bolt is fixedly connected with the inside edge of the connecting plate, the outer ledge of the connecting plate by the 4th bolt with it is described
Rotor is fixedly connected, and the pressing plate is arranged between the cover plate and power transmission shaft, and second bolt passes through the pressing plate.
As the improvement of the cold electromagnetic retarder of liquid of the present invention, S-shaped runner or folding are formed between first turbulence plate
Linear runner.
As the improvement of the cold electromagnetic retarder of liquid of the present invention, the cavity structure that second turbulence plate surrounds is insertion
Rectangular parallelepiped structure, from the outlet of the second turbulence plate of any rectangular parallelepiped structure and the second turbulence plate of another outer rectangular parallelepiped structure
Entrance shift to install.
As the improvement of the cold electromagnetic retarder of liquid of the present invention, between having between some second turbulence plates of any row
Gap.
As the improvement of the cold electromagnetic retarder of liquid of the present invention, connection welding plate is provided with above first turbulence plate,
First turbulence plate and the second flow distribution plate are connected by welding manner with the connection welding plate respectively.
As the improvement of the cold electromagnetic retarder of liquid of the present invention, the 3rd bolt is snap bolt, described first and second,
Four bolts are hex bolts.
As the improvement of the cold electromagnetic retarder of liquid of the present invention, the bearing is needle bearing or ball bearing.
As the improvement of the cold electromagnetic retarder of liquid of the present invention, the back-up ring is the rubber back-up ring of rectangular cross-section.
Compared with prior art, the beneficial effects of the invention are as follows：The cold electromagnetic retarder of liquid of the present invention is by setting first
Turbulence plate and the second turbulence plate, the turbulent flow effect of coolant is enhanced, so as to improve the heat exchange between coolant and stator
Efficiency, the temperature of stator is effectively reduced, extend the service life of stator.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in invention, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the internal structure schematic diagram of an embodiment of the cold electromagnetic retarder of liquid of the present invention；
Fig. 2 is the sectional view of the first turbulence plate and the second turbulence plate in the cold electromagnetic retarder of liquid of the invention.
Embodiment
The present invention is described in detail for shown each embodiment below in conjunction with the accompanying drawings, but it should explanation, these
Embodiment is not limitation of the present invention, those of ordinary skill in the art according to these embodiment institute work energy, method,
Or equivalent transformation or replacement in structure, belong within protection scope of the present invention.
As shown in figure 1, the cold electromagnetic retarder of liquid of the present invention includes：Stator 1, rotor 2, power transmission shaft 3, bearing 4, cover plate 5,
Connecting plate 6, pressing plate 7, back-up ring 8, oil sealing 9.
Winding coil 11 is provided with the stator 1, the power transmission shaft 3 passes through the stator 1, and relatively described stator 1
Rotated, the rotor 2 is regularly set on the power transmission shaft 3, and synchronizes motion with the power transmission shaft 3, described
Rotor 2 is between the stator 1 and the power transmission shaft 3.So as to, when the winding coil 11 is powered, the winding coil
11 produce magnetic field, and rotor 2 rotates at a high speed with system of vehicle transmission part, cutting magnetic line, produces opposing torque, makes the dress of vehicle deceleration
Put.
Rotated for the ease of the power transmission shaft 3 relative to the stator 1, the bearing 4 is arranged at the stator 1 and passed
Between moving axis 3.Specifically, it is fixedly connected between the bearing 4 and the stator 1 by the first bolt, the back-up ring 8 is set in
On the power transmission shaft 3, and the back-up ring 8 is between the power transmission shaft 3 and bearing 4, between the back-up ring 8 and the bearing 4
It is provided with the oil sealing 9.Wherein, the bearing 4 is needle bearing 4 or ball bearing 4, and the back-up ring 8 is rectangular cross-section
Rubber back-up ring.
As shown in Fig. 2 in order to be cooled down to the stator 1, the import 10 of coolant is further opened with the stator 1,
The import 10 is connected with the inner space of stator 1.So as to which coolant enters to the stator by the import 10
Inner space, realize the cooling to the stator 1.
In order to strengthen the turbulent flow effect of coolant, the heat exchanger effectiveness between coolant and stator is improved, the stator 1
The surface of inner space be provided with some the first turbulence plates 12 being parallel to each other and be arranged at it is described it is some be parallel to each other
Some second turbulence plates 13 of the top of one turbulence plate 12, second turbulence plate 13 surround the cavity structure of insertion.Any row's
There is the cooling gap that but liquid stream is crossed between some second turbulence plates 13.The second turbulence plate 13 is adjacent thereto described in any row
Another row described in the second turbulence plate 13 shift to install.In this way, coolant flows through the turbulence plate of the first turbulence plate 12 and second
When 13, the flow direction of coolant described in time changing when first turbulence plate 12 and the second turbulence plate 13 so that cooling liquid energy
It is enough sufficiently to be contacted with stator, realize to the sufficiently cool of stator 1.
In one embodiment, S-shaped runner or fold-line-shaped runner are formed between first turbulence plate 12.Described
The cavity structure that two turbulence plates 13 surround for insertion rectangular parallelepiped structure, from going out for the second turbulence plate 13 of any rectangular parallelepiped structure
The entrance of mouth and the second turbulence plate 13 of another outer rectangular parallelepiped structure shifts to install.In order to realize first turbulence plate 12 with
Connection between second turbulence plate 13.The top of first turbulence plate 12 is provided with connection welding plate, first turbulence plate 12
It is connected respectively by welding manner with the connection welding plate with the second flow distribution plate.
In order to realize being fixedly connected between the rotor 2 and the power transmission shaft 3, the cover plate 5 is symmetrically disposed on institute
The both ends of power transmission shaft 3 are stated, and the cover plate 5 is fixedly connected by the second bolt with the end of the power transmission shaft 3, the connecting plate
6 are arranged between the cover plate 5 and rotor 2, and the edge of the cover plate 5 passes through the 3rd bolt and the inner side edge of the connecting plate 6
Edge is fixedly connected, and the outer ledge of the connecting plate 6 is fixedly connected by the 4th bolt with the rotor 2, and the pressing plate 7 is set
Between the cover plate 5 and power transmission shaft 3, second bolt passes through the pressing plate 7.Wherein, the 3rd bolt is round end spiral shell
Bolt, described first and second, four bolts be hex bolts.
In summary, the cold electromagnetic retarder of liquid of the invention is enhanced by setting the first turbulence plate and the second turbulence plate
The turbulent flow effect of coolant, so as to improve the heat exchanger effectiveness between coolant and stator, the temperature of stator is effectively reduced,
Extend the service life of stator.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (8)
1. a kind of cold electromagnetic retarder of liquid, it is characterised in that the cold electromagnetic retarder of liquid includes：Stator, rotor, power transmission shaft,
Bearing, cover plate, connecting plate, pressing plate, back-up ring, oil sealing；
The power transmission shaft passes through the stator, and is rotated relative to the stator, and the bearing is arranged at the stator and biography
Between moving axis, the import of coolant is further opened with the stator, the import is connected with the stator interior space, described
The surface of the inner space of stator is provided with some the first turbulence plates being parallel to each other and is arranged at described some be parallel to each other
The first turbulence plate above some second turbulence plates, second turbulence plate surrounds the cavity structure of insertion, described in any row
Second turbulence plate described in second turbulence plate another row adjacent thereto is shifted to install, and winding coil, institute are provided with the stator
State rotor to be regularly set on the power transmission shaft, and motion is synchronized with the power transmission shaft, the rotor is positioned at described fixed
Sub to be fixedly connected between the power transmission shaft between the bearing and the stator by the first bolt, the shield ring sleeve is loaded on
On the power transmission shaft, and the back-up ring is provided between the power transmission shaft and bearing between the back-up ring and the bearing
The oil sealing, the cover plate is symmetrically disposed on the both ends of the power transmission shaft, and the cover plate passes through the second bolt and the biography
The end of moving axis is fixedly connected, and the connecting plate is arranged between the cover plate and rotor, and the edge of the cover plate passes through the 3rd
Bolt is fixedly connected with the inside edge of the connecting plate, and the outer ledge of the connecting plate passes through the 4th bolt and the rotor
It is fixedly connected, the pressing plate is arranged between the cover plate and power transmission shaft, and second bolt passes through the pressing plate.
2. the cold electromagnetic retarder of liquid according to claim 1, it is characterised in that form S-shaped between first turbulence plate
Runner or fold-line-shaped runner.
3. the cold electromagnetic retarder of liquid according to claim 1, it is characterised in that the cavity knot that second turbulence plate surrounds
Structure is the rectangular parallelepiped structure of insertion, from the outlet of the second turbulence plate of any rectangular parallelepiped structure and another outer rectangular parallelepiped structure
The entrance of second turbulence plate shifts to install.
4. the cold electromagnetic retarder of liquid according to claim 1, it is characterised in that some second turbulence plates of any row
Between there is gap.
5. the cold electromagnetic retarder of liquid according to claim 1, it is characterised in that be provided with above first turbulence plate
Welding plate is connected, first turbulence plate and the second flow distribution plate are connected by welding manner with the connection welding plate respectively.
6. the cold electromagnetic retarder of liquid according to claim 1, it is characterised in that the 3rd bolt is snap bolt, institute
It is hex bolts to state first and second, four bolts.
7. the cold electromagnetic retarder of liquid according to claim 1, it is characterised in that the bearing is needle bearing or ball
Bearing.
8. the cold electromagnetic retarder of liquid according to claim 1, it is characterised in that the back-up ring is the rubber of rectangular cross-section
Back-up ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052419.1A CN107659113A (en) | 2017-10-30 | 2017-10-30 | A kind of cold electromagnetic retarder of liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052419.1A CN107659113A (en) | 2017-10-30 | 2017-10-30 | A kind of cold electromagnetic retarder of liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107659113A true CN107659113A (en) | 2018-02-02 |
Family
ID=61096694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711052419.1A Withdrawn CN107659113A (en) | 2017-10-30 | 2017-10-30 | A kind of cold electromagnetic retarder of liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107659113A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110539644A (en) * | 2019-09-18 | 2019-12-06 | 南京丁博控制器有限公司 | Eddy current retarding system for automobile |
-
2017
- 2017-10-30 CN CN201711052419.1A patent/CN107659113A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110539644A (en) * | 2019-09-18 | 2019-12-06 | 南京丁博控制器有限公司 | Eddy current retarding system for automobile |
| CN110539644B (en) * | 2019-09-18 | 2023-01-06 | 南京丁博控制器有限公司 | Eddy current retarding system for automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180202 |
|
| WW01 | Invention patent application withdrawn after publication |