CN101989781A - Motor cooling system and motor with same - Google Patents
Motor cooling system and motor with same Download PDFInfo
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- CN101989781A CN101989781A CN2009101091793A CN200910109179A CN101989781A CN 101989781 A CN101989781 A CN 101989781A CN 2009101091793 A CN2009101091793 A CN 2009101091793A CN 200910109179 A CN200910109179 A CN 200910109179A CN 101989781 A CN101989781 A CN 101989781A
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- bellows
- liquid outlet
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Abstract
The invention relates to a motor cooling system which comprises a stator core and a cooling circuit, wherein a plurality of mutually separated axial through holes are arranged on the stator core, and the cooling circuit passes through the plurality of through holes on the stator core, and comprises a coolant inlet and a coolant outlet. The invention also discloses a motor with the cooling system. In the invention, by the cooling circuit passing through the stator core, the coolant in the cooling circuit flows through the whole stator core and carries away heat, thereby realizing cooling the whole stator core.
Description
Technical field
The invention belongs to technical field of motors, particularly a kind of motor cooling system and have the motor of this cooling system.
Background technology
The motor of present industrial application, particularly heavy-duty motor, in the energising running, the copper loss that the energising of the iron loss that its iron core produces in alternating magnetic field, winding produces and other stray loss etc. can make all that the motor feels hot.And the rising of motor temperature also will hinder the lifting of power of motor, because the height of temperature directly influences motor performance index and reliability.
Except a small amount of motor adopted natural cooling, present most of heavy-duty motor had all adopted cooling structure.For example, by forced-convection heat transfer mode (the forced-convection heat transfer ability generally than the high 3-5 of heat transfer free convection doubly), particularly, can be at the aerofoil fan of motor internal installation with motor coaxle, thereby make air flow through the motor stator cooling motor, yet this cooling structure relative complex, cooling effect is general.
Also have in addition in the outside of electric machine casing and twine the structure that cooling water pipe cools off motor, though this structure is better relatively to the cooling effect of motor housing, this structure assembles and safeguards loaded down with trivial details, and has increased the size of motor.
Summary of the invention
The technical problem to be solved in the present invention is, at above-mentioned motor radiating architecture complexity, the loaded down with trivial details problem of installation and maintenance, a kind of motor cooling system is provided and has the motor of this cooling system.
The technical scheme that the present invention solves the problems of the technologies described above is, a kind of motor cooling system is provided, comprise stator core and cooling circuit, described stator core is provided with the axially extending bore of a plurality of spaces, and described cooling circuit passes a plurality of through hole settings in the described stator core and comprises a cooling fluid inlet and a cooling liquid outlet.
In motor cooling system of the present invention, the same end that the cooling fluid inlet of described cooling circuit and cooling liquid outlet are positioned at stator core, described cooling circuit is made up of bellows and tube connector, wherein said bellows is located in the described stator core through hole, and described tube connector connects two adjacent bellowss.
In motor cooling system of the present invention, described cooling circuit is made of a bellows that is arranged in described a plurality of axially extending bore, described bellows have the inwall of the structure that makes this bellows free bend and this bellows lobed in ring structure.
In motor cooling system of the present invention, described cooling fluid inlet and cooling liquid outlet are connected respectively to cooling device, described cooling device comprise be used for from and the condenser of the liquid cools of cooling liquid outlet and will be pressed into the pressure apparatus that cooling fluid enters the mouth through the liquid that condenser cools off.
In motor cooling system of the present invention, described cooling fluid inlet is connected to pressure water source, and described cooling liquid outlet is connected to drainage pipe.
The present invention also provides a kind of motor that has cooling system, comprise rotor, stator core and cooling circuit, described stator core is provided with the axially extending bore of a plurality of spaces, and described cooling circuit passes a plurality of through hole settings in the described stator core and comprises a cooling fluid inlet and a cooling liquid outlet.
In the motor that has a cooling system of the present invention, the same end that the cooling fluid inlet of described cooling circuit and cooling liquid outlet are positioned at stator core, described cooling circuit is made up of bellows and tube connector, wherein said bellows is located in the described stator core through hole, and described tube connector connects two adjacent bellowss.
In the motor that has a cooling system of the present invention, described cooling circuit is made of a bellows that is arranged in described a plurality of axially extending bore, described bellows have the inwall of the structure that makes this bellows free bend and this bellows lobed in ring structure.
In the motor that has a cooling system of the present invention, described cooling fluid inlet and cooling liquid outlet are connected respectively to cooling device, described cooling device comprise be used for from and the condenser of the liquid cools of cooling liquid outlet and will be pressed into the pressure apparatus that cooling fluid enters the mouth through the liquid that condenser cools off.
In the motor that has a cooling system of the present invention, described cooling fluid inlet is connected to pressure water source, and described cooling liquid outlet is connected to drainage pipe.
Motor cooling system of the present invention and have the motor of this cooling system by a cooling circuit that is arranged in the stator core, makes the cooling fluid in the cooling circuit flow through whole stator core and take away heat, thereby has realized the cooling of whole stator core.Cooling circuit among the present invention adopts the bellows with scalability and big area of dissipation to substitute the water circuit system that is made of multichannel water pipe and water cavity, effective simplification the structure of cooling system, reduced technology difficulty, reached simultaneously and reduce production costs the purpose of raising the efficiency.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of motor cooling system embodiment of the present invention;
Fig. 2 be among Fig. 1 bellows structural representation is set.
Embodiment
The present invention is by being provided with cooling circuit in stator core, the heat that makes cooling liquid in cooling circuit, flow and produce when taking away motor rotation, thus realized the cooling of whole stator core.
As shown in Figure 1, be the structural representation of motor cooling system embodiment of the present invention.This system comprises stator core 11 and cooling circuit 12, and wherein cooling circuit 12 is arranged in the stator core 11, and has:
Particularly, in one embodiment, the through hole of stator core 11 is provided with a plurality of (16 as shown in Figure 1 of examples) space is (for example along the rotor shaft direction.These a plurality of through holes are positioned at the diverse location of stator core circumference, and evenly distribute).
Cooling circuit 12 passes a plurality of through hole settings in the stator core 11.Cooling circuit 12 comprises 13 and cooling liquid outlets 14 of a cooling fluid inlet, and this cooling fluid inlet 13 and cooling liquid outlet 14 are connected respectively to the cooling device (not shown).In the present embodiment, the cooling fluid of cooling circuit 12 inlet 13 and cooling liquid outlet 14 are positioned at the same end of stator core.Because whole cooling circuit 12 has only a cooling fluid inlet and a cooling liquid outlet, has therefore effectively solved complex structure in the cooling structures such as employing multichannel water pipe and water cavity, technology difficulty is big, easily the problem of revealing.And the installation and maintenance of this cooling circuit 12 is convenient, only needs to connect two mouths and gets final product.
Cooling circuit between cooling fluid inlet 13 and the cooling liquid outlet 14 is made up of bellows and tube connector, and wherein bellows is located in the through hole in the stator core 11, and tube connector is used to connect two adjacent bellowss.Like this, bellows is serially connected, has formed a cooling passage by tube connector.The number of openings in the stator core 11 and the quantity of bellows can be set according to concrete motor, and for example the motor that power is bigger can suitably increase, and lower-powered motor can suitably reduce.Certainly, but also can use a bellows of free bend directly to pass a plurality of through holes in the stator core 11, realize the cooling circuit between cooling fluid inlet 13 and the cooling liquid outlet 14.
The above-mentioned cooling device that is communicated with cooling circuit can adopt existing cooling device, for example can comprise with from and the condenser of the liquid cools of cooling liquid outlet 14 and will be pressed into the pressure apparatus of cooling fluid inlet 13 through the liquid of condenser (or other cooling devices) cooling.Like this, can realize cooling fluid flowing fast in cooling circuit, thereby take away heat fast.
In addition, in the above-mentioned motor cooling system, can not adopt cooling device, and with the cooling fluid of the cooling circuit 13 direct-connected pressure water sources (for example water tap or be connected to the water pipe of water pump) that enter the mouth, and make cooling liquid outlet 14 connect drainage pipe, thereby make the lower current supercooling loop band of temperature walk heat.
As shown in Figure 2, be the mounting structure schematic diagram of bellows among Fig. 1.Bellows 15 in the cooling circuit 12 directly inserts in the through hole in the stator core 11, and can the outer wall of bellows 15 fully be contacted with stator core, increases heat conduction efficiency.In addition, the interior ring structure 16 of projection can be set also on the inwall of bellows 15,, further increase heat conduction efficiency to increase the contact area of these bellows 15 inwalls and cooling fluid.
Above-mentioned cooling system can be widely used in all kinds of motors that comprise rotor and stator core, thereby makes whole motor be in preferable working temperature by the cooling to stator core.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1. motor cooling system, it is characterized in that, comprise stator core and cooling circuit, described stator core is provided with the axially extending bore of a plurality of spaces, and described cooling circuit passes a plurality of through hole settings in the described stator core and comprises a cooling fluid inlet and a cooling liquid outlet.
2. motor cooling system according to claim 1, it is characterized in that, described cooling fluid inlet and cooling liquid outlet are positioned at the same end of stator core, described cooling circuit is made up of bellows and tube connector, wherein said bellows is located in the described stator core through hole, and described tube connector connects two adjacent bellowss.
3. motor cooling system according to claim 1, it is characterized in that, described cooling circuit is made of a bellows that is arranged in described a plurality of axially extending bore, described bellows have the inwall of the structure that makes this bellows free bend and this bellows lobed in ring structure.
4. according to each described motor cooling system among the claim 1-3, it is characterized in that, described cooling fluid inlet and cooling liquid outlet are connected respectively to cooling device, and described cooling device comprises and being used for from the condenser of the liquid cools of cooling liquid outlet with will be pressed into the pressure apparatus that cooling fluid enters the mouth through the liquid that condenser cools off.
5. according to each described motor cooling system among the claim 1-3, it is characterized in that described cooling fluid inlet is connected to pressure water source, described cooling liquid outlet is connected to drainage pipe.
6. motor that has cooling system, comprise rotor and stator core, it is characterized in that, also comprise cooling circuit, described stator core is provided with the axially extending bore of a plurality of spaces, and described a plurality of through hole settings and the cooling circuit that passes in the described stator core comprises a cooling fluid inlet and a cooling liquid outlet.
7. the motor that has cooling system according to claim 6, it is characterized in that, the same end that the cooling fluid inlet of described cooling circuit and cooling liquid outlet are positioned at stator core, described cooling circuit is made up of bellows and tube connector, wherein said bellows is located in the described stator core through hole, and described tube connector connects two adjacent bellowss.
8. the motor that has cooling system according to claim 6, it is characterized in that, described cooling circuit is made of a bellows that is arranged in described a plurality of axially extending bore, described bellows have the inwall of the structure that makes this bellows free bend and this bellows lobed in ring structure.
9. according to each described motor that has cooling system among the claim 6-8, it is characterized in that, described cooling fluid inlet and cooling liquid outlet are connected respectively to cooling device, and described cooling device comprises and being used for from the condenser of the liquid cools of cooling liquid outlet with will be pressed into the pressure apparatus that cooling fluid enters the mouth through the liquid that condenser cools off.
10. according to each described motor that has cooling system among the claim 6-8, it is characterized in that described cooling fluid inlet is connected to pressure water source, described cooling liquid outlet is connected to drainage pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101091793A CN101989781A (en) | 2009-07-30 | 2009-07-30 | Motor cooling system and motor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101091793A CN101989781A (en) | 2009-07-30 | 2009-07-30 | Motor cooling system and motor with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101989781A true CN101989781A (en) | 2011-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101091793A Pending CN101989781A (en) | 2009-07-30 | 2009-07-30 | Motor cooling system and motor with same |
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| Country | Link |
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| CN (1) | CN101989781A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570697A (en) * | 2012-03-20 | 2012-07-11 | 中科盛创（青岛）电气有限公司 | Motor water-cooling base water channel with vortex generation function |
| CN105680626A (en) * | 2016-03-28 | 2016-06-15 | 郑州大岳节能科技有限公司 | Efficient-heat radiation and low-pulsation switched reluctance motor |
| CN105790509A (en) * | 2016-04-07 | 2016-07-20 | 重庆大学 | Micro-flow-path-channel-based auxiliary cooling system for operation power apparatus |
| CN109617272A (en) * | 2019-01-03 | 2019-04-12 | 江麓机电集团有限公司 | A kind of integrated form cooling structure based on electric drive system |
| CN110417189A (en) * | 2018-04-27 | 2019-11-05 | 舍弗勒技术股份两合公司 | Barrier for cooling channel and cooling device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1220036A (en) * | 1996-05-29 | 1999-06-16 | Abb阿西亚布朗·勃法瑞公司 | Rotating electrical machine with axial cooling |
| DE19757605A1 (en) * | 1997-12-23 | 1999-06-24 | Siemens Ag | Air-cooled electric motor design |
| DE102005002897A1 (en) * | 2004-04-13 | 2005-11-10 | Vem Motors Gmbh | Fluid cooled electric machine has cast iron housing with tubular cooling channels around the stator housing that are connected in series at the bearing plates |
| EP1630930A2 (en) * | 2004-08-27 | 2006-03-01 | Caterpillar Inc. | Liquid cooled switched reluctance electric machine |
| CN200994094Y (en) * | 2006-12-08 | 2007-12-19 | 奇瑞汽车有限公司 | Water cooled motor for hybrid power system |
| CN201118371Y (en) * | 2007-11-06 | 2008-09-17 | 上海南洋电机有限公司 | An axial cooling system heat radiation structure for water cooling electromotor |
| CN201478946U (en) * | 2009-07-30 | 2010-05-19 | 深圳市汇川技术股份有限公司 | Motor cooling system and motor provided with same |
-
2009
- 2009-07-30 CN CN2009101091793A patent/CN101989781A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1220036A (en) * | 1996-05-29 | 1999-06-16 | Abb阿西亚布朗·勃法瑞公司 | Rotating electrical machine with axial cooling |
| DE19757605A1 (en) * | 1997-12-23 | 1999-06-24 | Siemens Ag | Air-cooled electric motor design |
| DE102005002897A1 (en) * | 2004-04-13 | 2005-11-10 | Vem Motors Gmbh | Fluid cooled electric machine has cast iron housing with tubular cooling channels around the stator housing that are connected in series at the bearing plates |
| EP1630930A2 (en) * | 2004-08-27 | 2006-03-01 | Caterpillar Inc. | Liquid cooled switched reluctance electric machine |
| CN200994094Y (en) * | 2006-12-08 | 2007-12-19 | 奇瑞汽车有限公司 | Water cooled motor for hybrid power system |
| CN201118371Y (en) * | 2007-11-06 | 2008-09-17 | 上海南洋电机有限公司 | An axial cooling system heat radiation structure for water cooling electromotor |
| CN201478946U (en) * | 2009-07-30 | 2010-05-19 | 深圳市汇川技术股份有限公司 | Motor cooling system and motor provided with same |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570697A (en) * | 2012-03-20 | 2012-07-11 | 中科盛创（青岛）电气有限公司 | Motor water-cooling base water channel with vortex generation function |
| CN105680626A (en) * | 2016-03-28 | 2016-06-15 | 郑州大岳节能科技有限公司 | Efficient-heat radiation and low-pulsation switched reluctance motor |
| CN105790509A (en) * | 2016-04-07 | 2016-07-20 | 重庆大学 | Micro-flow-path-channel-based auxiliary cooling system for operation power apparatus |
| CN110417189A (en) * | 2018-04-27 | 2019-11-05 | 舍弗勒技术股份两合公司 | Barrier for cooling channel and cooling device |
| CN109617272A (en) * | 2019-01-03 | 2019-04-12 | 江麓机电集团有限公司 | A kind of integrated form cooling structure based on electric drive system |
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Application publication date: 20110323 |