CN109639098A - Ultrahigh speed electric eddy current brake - Google Patents
Ultrahigh speed electric eddy current brake Download PDFInfo
- Publication number
- CN109639098A CN109639098A CN201910091523.4A CN201910091523A CN109639098A CN 109639098 A CN109639098 A CN 109639098A CN 201910091523 A CN201910091523 A CN 201910091523A CN 109639098 A CN109639098 A CN 109639098A
- Authority
- CN
- China
- Prior art keywords
- stator
- axis
- rotor
- eddy current
- current brake
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/02—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type
- H02K49/04—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type
- H02K49/043—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type with a radial airgap
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention proposes a kind of ultrahigh speed electric eddy current brake, including bearing block, axis, floating bearing, stator and rotor, the rotor with axis connection is equipped in stator, air gap is equipped between rotor and stator, stator is equipped with cooling chamber, a bearing block is separately connected at left and right sides of stator, a back work chamber is equipped in each bearing block, each back work chamber is equipped with a fuel feed hole and an oil outlet, each back work one axis of intracavitary axial setting, axis is connect by floating bearing with bearing block, between axis and floating bearing, gap is equipped between floating bearing and bearing block, machine oil is full of in gap, so that forming oil film inside and outside floating bearing.Ultrahigh speed electric eddy current brake of the present invention has the advantages that structurally reasonable, good heat dissipation effect, its revolving speed can reach 50,000 revs/min or more.
Description
Technical field
The present invention relates to electric eddy current brake field, in particular to a kind of ultrahigh speed electric eddy current brake.
Background technique
In new energy electromechanical testing, it is desirable that the revolving speed of brake is higher and higher.From tens of thousands of revs/min to nearly 100,000 revs/min,
The power of load also requires to arrive 40Kw or so 0.This just proposes more the rotating part structure of brake, cooling system structure
Carry out higher requirement.
One of brake when electric eddy current brake, existing high speed current vortex rotor use disk-like structure, rotor and its
The bottleneck that the selection restriction current vortex product of bearing develops towards high speed direction.At present in electric eddy current brake industry, rotor rotation
Turn support and mainly uses ball bearing.The rated speed of ball bearing is generally used below at 20,000 revs/min.Speed gets over Gao Fare
It is more serious, to influence the service life of current vortex.
Summary of the invention
It is an object of the invention to provide a kind of ultrahigh speed electric eddy current brake, solve one in above-mentioned prior art problem or
It is multiple.
The present invention proposes a kind of ultrahigh speed electric eddy current brake, including bearing block, axis, floating bearing, stator and rotor,
It is equipped with the rotor with axis connection in stator, air gap is equipped between rotor and stator, stator is equipped with cooling chamber, the left and right two of stator
Side is separately connected a bearing block, and a back work chamber is equipped in each bearing block, and each back work chamber is equipped with one
Fuel feed hole and an oil outlet, each back work one axis of intracavitary axial setting, axis are connect by floating bearing with bearing block,
Between axis and floating bearing, it is equipped with gap between floating bearing and bearing block, is full of machine oil in gap, so that floating bearing
Inside and outside form oil film.
Wherein, a petroleum pipeline is utilized respectively on the fuel feed hole and oil outlet connect fuel tank.
Wherein, the stator connect to form working chamber with bearing block, and rotor is axially arranged in working chamber, and rotor passes through shaft coupling
Device and axis connection.
Further, the structure that the rotor is in long strip, section is in tooth form.
Further, the diameter of the rotor moves device function ginseng and is minimized according to brake functionality parameter, so that
Rotor uses the structure of long rotor minor diameter, to ensure that rotary inertia is as small as possible.
It further, include armature spindle, the rotor block being set on armature spindle in the rotor, wherein armature spindle passes through connection
Axis device and axis connection are equipped with air gap between rotor block and stator.
Wherein, the middle position of the stator is arranged with coil, and coil is equipped with stator sleeve, using stator sleeve that coil is close
It closes and, a cooling chamber is respectively equipped in the stator at left and right sides of coil.
Further, the outer surface of the stator sleeve is flushed with the outer surface of stator.
Further, two cooling chambers are symmetrical about coil.It is carried out using the left and right sides of the cooling chamber to coil
Cooling.
Wherein, the one end connecting on the axis with rotor is inner end, and the other end of axis is outer end, the outer end of each axis
A thrust button is arranged in portion.
The advantages of ultrahigh speed electric eddy current brake of the present invention are as follows:
1, structurally reasonable, the revolving speed of the ultrahigh speed electric eddy current brake in the present invention can achieve 50,000 revs/min or more；
2, the technology that floating bearing is used in ultrahigh speed electric eddy current brake, so that the highest of ultrahigh speed electric eddy current brake
Revolving speed is even up to 200,000 revs/min；
3, it is designed by the oil film of flowing, effectively takes the heat generated during floating bearing high-speed rotation out of, from
And the temperature of floating bearing is guaranteed within normal range (NR)；
4, it is wherein designed by rotor using the structure of long rotor minor diameter, to effectively improve specified turn of rotor
Speed；
5, by the cooling to coil, guarantee the normal use of current vortex, shape of the coil of avoiding over without cooling system
Condition.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of ultrahigh speed electric eddy current brake in one embodiment of the present invention.
Specific embodiment
As shown in Figure 1, the present invention proposes a kind of ultrahigh speed electric eddy current brake, including bearing block 1, axis 3, floating bearing 5,
Stator 14 and rotor are equipped with rotor connect with axis 3 in stator 14, equipped with air gap 9 between rotor and stator 14, on stator 14
Equipped with cooling chamber 12, the left and right sides of stator 14 is separately connected a bearing block 1, is equipped with a backman in each bearing block 1
Make chamber, each back work chamber is equipped with a fuel feed hole 2 and an oil outlet 6, is utilized respectively on fuel feed hole 2 and oil outlet 6
A piece petroleum pipeline connects fuel tank, each back work one axis 3 of intracavitary axial setting, and axis 3 passes through floating bearing 5 and bearing block 1
Connection, is equipped with gap between axis 3 and floating bearing 5, between floating bearing 5 and bearing block 1, the machine oil in fuel tank passes through oil transportation
Pipeline and fuel feed hole 2 enter in gap, and machine oil is full of in gap, so that oil film is formed inside and outside floating bearing 5, so that floating
Dynamic bearing 5 is under the action of oil film as axis 3 rotates.The heat generated in 3 rotary course of axis can pass through oil outlet 5 with machine oil
It is flowed back into fuel tank with petroleum pipeline.By the continuous circulation of machine oil by floating bearing 5 run at high speed generation heat timely by
It takes away, so that the temperature of floating bearing 5 guarantees within normal range (NR).Wherein pass through the design of floating bearing 5, so that super
The revolving speed of high speed electric eddy current brake can achieve 200,000 revs/min.
As the preferred of the present embodiment, the stator 14 connect to form working chamber with bearing block 1, is axially arranged in working chamber
Rotor, rotor are connect by shaft coupling with axis 3.
As the preferred of the present embodiment, the middle position of the stator 14 is arranged with coil 10, and coil 10 is equipped with stator
Set 13, is sealed coil 10 using stator sleeve 13, is respectively equipped with a cooling chamber in the stator 14 of 10 left and right sides of coil
12.Two cooling chambers 12 are symmetrical about coil 10.Completely circle is carried out to coil 10 using cooling chamber 12 to cool down, and is increased
The heat dissipation area of eddy current surface, is effectively controlled the temperature rise of coil, guarantees the normal use of current vortex, the coil of avoiding over
Situation without cooling system.
As the preferred of the present embodiment, the outer surface of the stator sleeve 13 is flushed with the outer surface of stator 14, in this way can
The further flatness for guaranteeing ultrahigh speed electric eddy current brake surface.
As the preferred of the present embodiment, the structure that the rotor is in long strip, section is in tooth form, the diameter of rotor is as far as possible
Reduce, so that rotor forms the structure of long rotor minor diameter, to ensure that rotary inertia is as small as possible, thus also utmostly
Upper reduction linear velocity, improves the rated speed of rotor.
It include armature spindle 7, the rotor block 8 that is set on armature spindle 7 in the rotor as the preferred of the present embodiment,
Middle armature spindle 7 is connect by shaft coupling with axis 3, and air gap 9 is equipped between rotor block 8 and stator 14.
As the preferred of the present embodiment, the one end connecting on the axis 3 with rotor is inner end, and the other end of axis 3 is outer
End is arranged with a thrust button 4 on the outer end of each axis 3, and the setting for passing through thrust button 4 effectively prevents the axial direction of axis 3
Play, the further stability guaranteed when ultrahigh speed electric eddy current brake is run.
The ultrahigh speed electric eddy current brake described in the present embodiment can preferably adapt to new energy electromechanical testing.
The above is only preferred embodiment of the invention, it is noted that those skilled in the art, not
Under the premise of being detached from the invention design, some similar deformation and improvement can be made, these also should be regarded as the present invention
Protection scope within.
Claims (8)
1. a kind of ultrahigh speed electric eddy current brake, which is characterized in that including bearing block (1), axis (3), floating bearing (5), stator
(14) and rotor it, is equipped with rotor connect with axis (3) in stator (14), equipped with air gap (9) between rotor and stator (14), calmly
Sub (14) are equipped with cooling chamber (12), are separately connected a bearing block (1), each bearing block (1) at left and right sides of stator (14)
It is inside equipped with a back work chamber, each back work chamber is equipped with a fuel feed hole (2) and an oil outlet (6), Mei Gefu
Assistant engineer makees one axis (3) of intracavitary axial setting, and axis (3) is connect by floating bearing (5) with bearing block (1), axis (3) and floating axle
It holds between (5), be equipped with gap between floating bearing (5) and bearing block (1), machine oil is full of in gap, so that floating bearing (5)
Inside and outside form oil film.
2. ultrahigh speed electric eddy current brake according to claim 1, which is characterized in that the stator (14) and bearing block
(1) connection forms working chamber, and rotor is axially arranged in working chamber, and rotor is connect by shaft coupling with axis (3).
3. ultrahigh speed electric eddy current brake according to claim 2, which is characterized in that the rotor is in long strip, section
In the structure of tooth form.
4. ultrahigh speed electric eddy current brake according to claim 1,2 or 3, which is characterized in that include turning in the rotor
Sub- axis (7), the rotor block (8) being set on armature spindle (7), wherein armature spindle (7) is connect by shaft coupling with axis (3), rotor
Air gap (9) are equipped between body (8) and stator (14).
5. ultrahigh speed electric eddy current brake according to claim 1, which is characterized in that the middle position of the stator (14)
It is arranged with coil (10), coil (10) is equipped with stator sleeve (13), is sealed coil (10) using stator sleeve (13), coil
(10) cooling chamber (12) is respectively equipped in the stator (14) at left and right sides of.
6. ultrahigh speed electric eddy current brake according to claim 5, which is characterized in that the outer surface of the stator sleeve (13)
It is flushed with the outer surface of stator (14).
7. ultrahigh speed electric eddy current brake according to claim 5, which is characterized in that two cooling chambers (12) about
Coil (10) is symmetrical.
8. ultrahigh speed electric eddy current brake according to claim 1, which is characterized in that connect on the axis (3) with rotor
One end be inner end, the other end of axis (3) is outer end, is arranged with a thrust button (4) on the outer end of each axis (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910091523.4A CN109639098A (en) | 2019-01-30 | 2019-01-30 | Ultrahigh speed electric eddy current brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910091523.4A CN109639098A (en) | 2019-01-30 | 2019-01-30 | Ultrahigh speed electric eddy current brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109639098A true CN109639098A (en) | 2019-04-16 |
Family
ID=66062849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910091523.4A Pending CN109639098A (en) | 2019-01-30 | 2019-01-30 | Ultrahigh speed electric eddy current brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109639098A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855496A (en) * | 2019-11-26 | 2021-05-28 | 比亚迪股份有限公司 | Vacuum system and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2851003Y (en) * | 2005-11-30 | 2006-12-27 | 深圳市特尔佳运输科技有限公司 | Central electric eddy speed damper |
| CN101344032A (en) * | 2008-08-22 | 2009-01-14 | 寿光市康跃增压器有限公司 | Relocation resilient supporting unit of electric-assisted turbosupercharger |
| CN103343773A (en) * | 2013-07-10 | 2013-10-09 | 上海电力修造总厂有限公司 | Sliding bearing with floating type bearing pads |
| CN104578685A (en) * | 2013-10-28 | 2015-04-29 | 扬州安行机电科技有限公司 | Hub-type electromagnetic liquid cooling retarder |
| CN206627235U (en) * | 2017-03-20 | 2017-11-10 | 台州市光中电器制造有限公司 | A kind of Novel dynamometer |
-
2019
- 2019-01-30 CN CN201910091523.4A patent/CN109639098A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2851003Y (en) * | 2005-11-30 | 2006-12-27 | 深圳市特尔佳运输科技有限公司 | Central electric eddy speed damper |
| CN101344032A (en) * | 2008-08-22 | 2009-01-14 | 寿光市康跃增压器有限公司 | Relocation resilient supporting unit of electric-assisted turbosupercharger |
| CN103343773A (en) * | 2013-07-10 | 2013-10-09 | 上海电力修造总厂有限公司 | Sliding bearing with floating type bearing pads |
| CN104578685A (en) * | 2013-10-28 | 2015-04-29 | 扬州安行机电科技有限公司 | Hub-type electromagnetic liquid cooling retarder |
| CN206627235U (en) * | 2017-03-20 | 2017-11-10 | 台州市光中电器制造有限公司 | A kind of Novel dynamometer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855496A (en) * | 2019-11-26 | 2021-05-28 | 比亚迪股份有限公司 | Vacuum system and vehicle |
| CN112855496B (en) * | 2019-11-26 | 2023-09-05 | 比亚迪股份有限公司 | Vacuum system and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105904973B (en) | A kind of liquid thermoelectricity compound type retarder brake element | |
| CN109639098A (en) | Ultrahigh speed electric eddy current brake | |
| CN204615597U (en) | Speed-adjusting-type permanent-magnet eddy-current coupling | |
| CN108923569A (en) | A kind of water lubrication electric machine structure | |
| CN108188506A (en) | The thread bushing threading machine that a kind of rimless combination type permanent-magnet linear synchronous motor directly drives | |
| CN209402312U (en) | A kind of motor | |
| CN209077806U (en) | A kind of low-heat extension high precision electro main shaft | |
| CN105207429B (en) | Speed-adjusting-type permanent-magnet eddy-current coupling | |
| CN204046311U (en) | The rotary seal mechanism of electric motor end cap and rotating shaft | |
| CN210451818U (en) | Electric spindle pipeline layout system | |
| CN208874395U (en) | Hydrogen cooled generator double fluid ring sealing bearing bush with wedged-shaped oil film film strips viscous flow groove | |
| CN201552468U (en) | Machine tool main spindle heat dissipation structure | |
| CN112974867A (en) | Air floatation electric spindle and drilling machine | |
| CN206517185U (en) | Rotor assembly and motor | |
| CN205864223U (en) | A kind of center positioning device of permanent-magnet speed governor | |
| IT201900000615A1 (en) | RECIRCULATION PUMP OF A COOLING FLUID OF THERMAL ENGINES WITH ELECTRIC MOTOR CONTROL | |
| CN205986382U (en) | Wet high-speed motor with spiral tooth grooves | |
| CN110401293A (en) | A kind of two-for-one twister magnetic levitation motor bearings | |
| CN106100235A (en) | A kind of integration formal dress mixed-flow wheel electromotor | |
| CN105914928B (en) | A kind of adjustable rotor support power generator of ventilation | |
| CN105141055A (en) | Rotor | |
| CN110314602A (en) | A kind of magnetic connects the radiator structure of homogenizer inner magnetic cavity | |
| CN109104025A (en) | Hydrogen cooled generator double fluid ring sealing bearing bush with wedged-shaped oil film film strips viscous flow groove | |
| CN202971215U (en) | Pipe type oil pump for electric locomotive transformer | |
| WO2020113422A1 (en) | Electric motor |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |