CN1885683A - Cooling system structure of motor - Google Patents
Cooling system structure of motor Download PDFInfo
- Publication number
- CN1885683A CN1885683A CN 200510021167 CN200510021167A CN1885683A CN 1885683 A CN1885683 A CN 1885683A CN 200510021167 CN200510021167 CN 200510021167 CN 200510021167 A CN200510021167 A CN 200510021167A CN 1885683 A CN1885683 A CN 1885683A
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- cooling
- cooling fluid
- end cap
- out frame
- liquid flowing
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Abstract
The cooling system for motor comprises: a stator base, two end caps, a water inlet/outlet on end cap opposite to a feed-water/out-water slot on cap or base, and a first waterway structure with at least two cooling liquid paths arranged axially and connected to water slots. This invention improves cooling liquid flow speed and cooling efficiency, and decreases generation of turbulent flow and flow resistance.
Description
[technical field]
The present invention relates to the fluid-cooled electrical machine field, especially about a kind of cooling system structure of fluid-cooled electrical machine.
[background technology]
Along with the development of motor process industry, the single-machine capacity of motor constantly increases, and economic and technical norms (comprising heat load) generally improve.The growth of the unit volume loss that produces during the motor operation causes that motor each several part temperature raises, and this directly has influence on the life-span and the operational reliability of motor, so the motor Cooling System Design seems most important.
The prior motor cooling system adopts air-cooled or the hydronic mode of liquid single channel in cooling system.Existing liquid cools structure such as publication number are 1547311A; open day is on November 17th, 2004; denomination of invention is disclosed by the Chinese patent application of " cooling system structure of fluid-cooled electrical machine "; this cooling system structure is by axially being provided with the water route structure for coolant flow on out frame; and respectively dispose an end cap at the two ends, the out frame left and right sides that possess this water route structure; corresponding water route locations of structures has tank on end cap; make water route structure and the tank on the end cap of two ends on the out frame constitute a mobile loop; but there is following shortcoming in this kind structure: the flow resistance of cooling fluid in the water route is big; the pressure loss is big; the cooling water Louis is stopped up; cooling effectiveness is low; the motor overheating phenomenon takes place through regular meeting; influence the normal operation of motor, when extreme even accident such as burning machine can take place.
[summary of the invention]
The object of the present invention is to provide a kind of cooling system structure of forcing the high motor of cold energy power and cooling effectiveness that has.
The object of the present invention is achieved like this: the cooling system structure of this motor comprises out frame, two end cap, water inlet, intake chamber, delivery port, the effluent trough and the first water route structure, two end cap is covered the both ends of setting the handset seat respectively, water inlet is located on the end cap, the position of the corresponding water inlet of intake chamber is located on the end of out frame or the end cap that lid is established this end, and this intake chamber is communicated with water inlet, delivery port is located on the end cap, effluent trough is located on the end of out frame or the end cap that lid is established this end position that should delivery port, and this effluent trough is communicated with delivery port, this first water route structure comprises at least two cooling liquid flowing channels that axially are provided with along out frame, and this cooling liquid flowing channel is communicated with intake chamber and effluent trough.
The described first water route structure also comprises N cooling fluid chute, it is respectively first, second ... and N cooling fluid chute, N is the natural number more than or equal to 1, the first cooling fluid chute is communicated with by two cooling liquid flowing channels that are provided with therebetween with intake chamber at least, N cooling fluid chute is communicated with by two cooling liquid flowing channels that are provided with therebetween with effluent trough at least, and i cooling fluid chute and i+1 cooling fluid chute lay respectively at the two ends of out frame and are communicated with by at least two cooling liquid flowing channels, and wherein i is natural number and the i+1＜=N more than or equal to 1.
Described water route structure also comprises the second water route structure, this second water route structure comprises N cooling fluid chute, it is respectively first, second ... and N cooling fluid chute, N is the natural number more than or equal to 1, the first cooling fluid chute is communicated with by two cooling liquid flowing channels that are provided with therebetween with intake chamber at least, be communicated with by at least two cooling liquid flowing channels that are provided with therebetween between N cooling fluid chute and the effluent trough, and i cooling fluid chute and i+1 cooling fluid chute lay respectively at the two ends of out frame and are communicated with by at least two cooling liquid flowing channels, and wherein i is natural number and the i+1＜=N more than or equal to 1.
The described first water route structure is the square wave shape.
Described i cooling fluid chute is positioned on an end of out frame or the end cap that lid is established this end, and i+1 cooling fluid chute is positioned on the other end of out frame or the end cap that lid is established this end.
Described water inlet and delivery port are located on the same end cap or are located on the two end cap respectively.
Described water inlet is located at the top of end cap, and delivery port is located at the bottom of end cap.
Compared with prior art, the present invention has following advantage: in the prior art, motor water route structure Design technical staff continues to use traditional single channel water route design idea, allowing cooling fluid circulate in the motor water route flows out behind the complete cycle, simultaneously they think the structure processing of single channel water route, make simple, and can satisfy motor fully and cool off requirement, yet find in actual use, owing to be subjected to motor weight, the restriction of structural strength, the hydraulic radius in single channel water route is very little usually, stop up easily, cooling fluid very easily forms turbulent flow in the water route simultaneously, thereby makes resistance increase, cooling effectiveness reduces; And change into after the multithread road structure, though hydraulic radius is constant substantially, but because cooling fluid flows out from a plurality of passages respectively after water inlet is entered, cooling fluid only needs the circulation half cycle even shortlyer just can flow out in the motor water route, so not only improved cooling liquid speed, and greatly reduced cooling fluid and in the water route, form the probability of turbulent flow, thereby reduced flow resistance, improved cooling effectiveness and refrigerating capacity.
[description of drawings]
Fig. 1 is the stereogram of the cooling system structure of motor of the present invention.
Fig. 2 is the front view of the out frame among Fig. 1.
Fig. 3 is the rearview of the out frame among Fig. 1.
Fig. 4 is that cooling system structure of the present invention carries out the liquid circulation schematic diagram in when cooling.
[embodiment]
See also Fig. 1 to Fig. 4, the cooling system structure of present embodiment is applied to fluid-cooled electrical machine, this fluid-cooled electrical machine has out frame, stator and rotor, this out frame 5 comprises that a cross section is the perisporium 50 of closed circular, this perisporium 50 has left and right end 51,52, and the left and right end 51,52 of this perisporium 50 is respectively equipped with left and right end cap 8,9, and left end cap 8 lids are established the also left part 51 of sealed stator support 5, and right end cap 9 lids are established the also right part 52 of sealed stator support 5.This stator and rotor are the iron core winding assembly, are the iron core winding assembly one of in stator and the rotor perhaps, because of the basic structure and the prior art of this motor basic identical, so do not repeat them here.Present embodiment adopts water as coolant of the present invention, and other has the refrigerant of cooling effect also can to adopt wet goods certainly.
See also Fig. 1 to Fig. 3, the cooling system structure of the motor of present embodiment comprises water inlet 1, intake chamber 2, delivery port 3, effluent trough 4, the first water route structure 6 and the second water route structure 7.This water inlet 1 is located at the top of left end cap 8 and is run through left end cap 8 vertically.Intake chamber 2 is corresponding with water inlet 1 position, and it is arranged with in the top of the left part 51 of out frame 5 perisporiums and with water inlet 1 and is communicated with.Delivery port 3 is located at the bottom of left end cap 8 and is run through this left end cap 8 vertically.Effluent trough 4 is corresponding with the position of delivery port 3, and it is arranged with in the bottom of the left part 51 of out frame 5 perisporiums and with delivery port 3 and is communicated with.Being the boundary with this intake chamber 2 and effluent trough 4 is divided into left half cycle wall and right half cycle wall with the perisporium 50 of out frame 5, and the first water route structure 6 is distributed in the left half cycle wall of out frame, and the second water route structure 7 is distributed in the right half cycle wall of out frame.
The first water route structure 6 roughly is square-wave form, and it comprises some cooling liquid flowing channels 61 that cooling fluid chute and parallel interval are provided with.Each cooling liquid flowing channel 61 is extending axially along out frame 5 all, and be distributed on the whole left half cycle wall of out frame 5, and the aperture of each cooling liquid flowing channel 61 is all less than the wall thickness of out frame 5 perisporiums 50, and keeps at a certain distance away between the adjacent cooling liquid flowing channel 61.
The cooling fluid chute is arranged with on the left part 51 and right part 52 of out frame, this cooling fluid chute has N, it is respectively first, second, the the 3rd ... N cooling fluid chute 62,63,64,65,66,67..., wherein N is the natural number more than or equal to 1, the first cooling fluid chute 62 is communicated with by two cooling liquid flowing channels 61 that are provided with therebetween with intake chamber 2 at least, N cooling fluid spout is communicated with by two cooling liquid flowing channels 61 that are provided with therebetween with effluent trough 4 at least, and i cooling fluid chute and i+1 cooling fluid chute are arranged with the both ends of out frame 5 respectively and are communicated with by at least two cooling liquid flowing channels 61 that are provided with therebetween, and wherein i is natural number and the i+1≤N more than or equal to 1.The second water route structure 7 is identical with the first water route structure 6, and it also has cooling liquid flowing channel 71 and cooling fluid chute 72,73,74,75,76,77....In the present embodiment, the cooling liquid flowing channel 61 of the first water route structure 6 counterclockwise is distributed in the left half cycle wall of out frame 5, and cooling liquid flowing channel 71 clockwise directions of the second water route structure 7 are distributed in the right half cycle wall of out frame 5.The cross section of cooling liquid flowing channel 61,71 can be arc or shape such as square.Intake chamber 2 and effluent trough 4 can be located on left end cap 8 or the right end cap 9 simultaneously, perhaps are located at respectively on left end cap 8 and the right end cap 9.Intake chamber 2 and effluent trough 4 also can be located at the left part 51 or the right part 52 of out frame 5 simultaneously, perhaps are located at the left part 51 and the right part 52 of out frame 5 respectively.Cooling fluid chute 61,71 can be located at the left and right end 51,52 of out frame, also can be located on the left and right end cap 8,9, thereby make i and i+1 cooling fluid chute lay respectively at the left and right end of out frame 5, i and i+1 cooling fluid chute are laid respectively on the left and right end cap, perhaps make in i and the i+1 cooling fluid chute one be positioned at the end of out frame one end and another is positioned on the end cap of the other end, promptly be equivalent to the two ends that described two cooling fluid chutes lay respectively at out frame.
Please in conjunction with consulting Fig. 4, in the present embodiment, lay respectively at a left side, right part 51, two adjacent cooling fluid chutes on 52 are communicated with by two parallel cooling liquid flowing channels 61, cooling fluid is entered by the water inlet 1 on out frame 5 left end caps 8, intake chamber 2 on out frame 5 is divided into two strands and flow into the first water route structure 6 and the second water route structure 7 respectively, wherein one cooling fluid is successively through two cooling liquid flowing channels 61, the first cooling fluid chute 62, two cooling liquid flowing channels 61, the second cooling fluid chute 63, two cooling liquid flowing channels 61, the 3rd cooling fluid chute 64, two cooling liquid flowing channels 61, the 4th cooling fluid chute 65, two cooling liquid flowing channels 61 and the 5th cooling fluid chute 66 flow out from effluent trough 4 at last; One cooling fluid is also passed through cooling fluid chute 72,73,74,75,76 successively in addition, flows out from effluent trough 4 at last; Two bursts of cooling fluid effluent trough 4 places on out frame 5 converge, and the delivery port from the left end cap 83 flows out then, cooling back recirculation.In described cyclic process, cooling fluid is along square-wave form flow through the respectively first water route structure 6 and the second water route structure 7, thereby realize the heat exchange between this cooling fluid and the out frame, heat that motor produces is reached the motor stator support and heat is shed by out frame.
Certainly, the cooling structure of motor of the present invention also can only comprise the first water route structure, make at the some parallel cooling liquid flowing channel between intake chamber 2 and the effluent trough 4 to be distributed in clockwise or counterclockwise on the whole perisporium of out frame, be positioned at the i of the left and right end of out frame and water inlet end and the water side that i+1 cooling fluid chute then is located at cooling liquid flowing channel respectively.In addition, also can directly be communicated with between intake chamber and the effluent trough by at least two cooling liquid flowing channels, though cooling fluid linearly shape flow.
In the present embodiment, by a plurality of cooling liquid flowing channels and cooling fluid chute are set, and the cooling fluid chute by left and right end cap seal out frame, thereby make the water route structure form a multithread road flow circuits.The heat that motor internal produced reaches the motor stator support, owing to offer on the motor stator support for the multichannel water route structure of forcing cooling, circulating cooling liquid and support water route body structure surface carry out heat exchange, and heat is taken out of.Because the specific heat ratio air of cooling fluid (as water) is much bigger, and owing to adopt multichannel water route structure, the resistance that is subjected in the circulating cooling liquid flow process is little, wide with support water route body structure surface contact area, therefore cooling effectiveness height, good cooling results, can guarantee the normal operation of motor, improve motor useful life.
Claims (7)
1. the cooling system structure of a motor, comprise out frame, two end cap, water inlet, intake chamber, delivery port, the effluent trough and the first water route structure, two end cap is covered the both ends of setting the handset seat respectively, water inlet is located on the end cap, the position of the corresponding water inlet of intake chamber is located on the end of out frame or the end cap that lid is established this end, and this intake chamber is communicated with water inlet, delivery port is located on the end cap, effluent trough is located on the end of out frame or the end cap that lid is established this end position that should delivery port, and this effluent trough is communicated with delivery port, it is characterized in that: this first water route structure comprises at least two cooling liquid flowing channels that axially are provided with along out frame, and this cooling liquid flowing channel is communicated with intake chamber and effluent trough.
2. the cooling system structure of motor as claimed in claim 1, it is characterized in that: the described first water route structure also comprises N cooling fluid chute, it is respectively first, second ... and N cooling fluid chute, N is the natural number more than or equal to 1, the first cooling fluid chute is communicated with by two cooling liquid flowing channels that are provided with therebetween with intake chamber at least, N cooling fluid chute is communicated with by two cooling liquid flowing channels that are provided with therebetween with effluent trough at least, and i cooling fluid chute and i+1 cooling fluid chute lay respectively at the two ends of out frame and are communicated with by at least two cooling liquid flowing channels, and wherein i is natural number and the i+1＜=N more than or equal to 1.
3. the cooling system structure of motor as claimed in claim 2, it is characterized in that: described water route structure also comprises the second water route structure, this second water route structure comprises N cooling fluid chute, it is respectively first, second ... and N cooling fluid chute, N is the natural number more than or equal to 1, the first cooling fluid chute is communicated with by two cooling liquid flowing channels that are provided with therebetween with intake chamber at least, be communicated with by at least two cooling liquid flowing channels that are provided with therebetween between N cooling fluid chute and the effluent trough, and i cooling fluid chute and i+1 cooling fluid chute lay respectively at the two ends of out frame and are communicated with by at least two cooling liquid flowing channels, and wherein i is natural number and the i+1＜=N more than or equal to 1.
4. as the cooling system structure of claim 2 or 3 described motors, it is characterized in that: the described first water route structure is the square wave shape.
5. as the cooling system structure of claim 2 or 3 described motors, it is characterized in that: described i cooling fluid chute is positioned on an end of out frame or the end cap that lid is established this end, and i+1 cooling fluid chute is positioned on the other end of out frame or the end cap that lid is established this end.
6. as the cooling system structure of any described motor among the claim 1-3, it is characterized in that: described water inlet and delivery port are located on the same end cap or are located on the two end cap respectively.
7. the cooling system structure of motor as claimed in claim 6, it is characterized in that: described water inlet is located at the top of end cap, and delivery port is located at the bottom of end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510021167 CN1885683A (en) | 2005-06-21 | 2005-06-21 | Cooling system structure of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510021167 CN1885683A (en) | 2005-06-21 | 2005-06-21 | Cooling system structure of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1885683A true CN1885683A (en) | 2006-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510021167 Pending CN1885683A (en) | 2005-06-21 | 2005-06-21 | Cooling system structure of motor |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841213A (en) * | 2010-05-27 | 2010-09-22 | 西安盾安电气有限公司 | Wind-driven generator adopting air-water cooling mode |
| CN102150346A (en) * | 2008-10-22 | 2011-08-10 | 住友重机械工业株式会社 | Cooling system of driving device of hybrid construction machine |
| CN102341999A (en) * | 2009-01-13 | 2012-02-01 | Tm4股份有限公司 | Liquid cooling arrangement for electric |
| CN102857016A (en) * | 2011-06-30 | 2013-01-02 | 南车戚墅堰机车车辆工艺研究所有限公司 | Water-cooled motor casing |
| CN102150344B (en) * | 2008-11-14 | 2013-03-27 | 住友重机械工业株式会社 | Liquid-cooled motor |
| CN103138487A (en) * | 2011-11-23 | 2013-06-05 | 台达电子工业股份有限公司 | Cooling sleeve |
| CN104467288A (en) * | 2014-12-31 | 2015-03-25 | 烟台冰轮股份有限公司 | Semi-closed type oil cooling system for motor for compressor |
| CN104769817A (en) * | 2012-04-03 | 2015-07-08 | 宝马股份公司 | Electrical machine |
| US9207022B2 (en) | 2011-11-23 | 2015-12-08 | Delta Electronics, Inc. | Cooling jacket |
| CN105790507A (en) * | 2016-04-25 | 2016-07-20 | 中国船舶重工集团公司第七0四研究所 | Motor cooling water jacket structure |
| CN108019355A (en) * | 2017-11-30 | 2018-05-11 | 广东葆德科技有限公司 | A kind of oil-cooled air compressor |
| CN108616189A (en) * | 2018-03-27 | 2018-10-02 | 江西精骏电控技术有限公司 | A kind of electric machine casing |
| CN109129003A (en) * | 2018-09-20 | 2019-01-04 | 福鼎市金明摩托车附件有限公司 | Motor and electro spindle cooling system |
| CN109428442A (en) * | 2017-08-28 | 2019-03-05 | 中车株洲电力机车研究所有限公司 | Cooling device |
| CN109921544A (en) * | 2017-12-13 | 2019-06-21 | 罗伯特·博世有限公司 | Motor |
| CN110086285A (en) * | 2019-05-24 | 2019-08-02 | 珠海格力电器股份有限公司 | A kind of motor cabinet and the lathe with the motor cabinet |
| CN111384820A (en) * | 2018-12-27 | 2020-07-07 | 观致汽车有限公司 | Cooling structure of driving motor and driving motor with cooling structure |
| CN113187735A (en) * | 2021-06-04 | 2021-07-30 | 浙江风回科技有限公司 | High-speed water jet propulsion pump and power surfboard |
-
2005
- 2005-06-21 CN CN 200510021167 patent/CN1885683A/en active Pending
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102150346A (en) * | 2008-10-22 | 2011-08-10 | 住友重机械工业株式会社 | Cooling system of driving device of hybrid construction machine |
| CN102150346B (en) * | 2008-10-22 | 2014-01-29 | 住友重机械工业株式会社 | Cooling system of driving device of hybrid construction machine |
| CN102150344B (en) * | 2008-11-14 | 2013-03-27 | 住友重机械工业株式会社 | Liquid-cooled motor |
| CN102341999A (en) * | 2009-01-13 | 2012-02-01 | Tm4股份有限公司 | Liquid cooling arrangement for electric |
| CN102341999B (en) * | 2009-01-13 | 2013-08-14 | Tm4股份有限公司 | Liquid cooling arrangement for electric |
| CN101841213A (en) * | 2010-05-27 | 2010-09-22 | 西安盾安电气有限公司 | Wind-driven generator adopting air-water cooling mode |
| CN102857016A (en) * | 2011-06-30 | 2013-01-02 | 南车戚墅堰机车车辆工艺研究所有限公司 | Water-cooled motor casing |
| CN102857016B (en) * | 2011-06-30 | 2014-11-26 | 南车戚墅堰机车车辆工艺研究所有限公司 | Water-cooled motor casing |
| CN103138487A (en) * | 2011-11-23 | 2013-06-05 | 台达电子工业股份有限公司 | Cooling sleeve |
| US9207022B2 (en) | 2011-11-23 | 2015-12-08 | Delta Electronics, Inc. | Cooling jacket |
| CN104769817A (en) * | 2012-04-03 | 2015-07-08 | 宝马股份公司 | Electrical machine |
| US9768669B2 (en) | 2012-04-03 | 2017-09-19 | Bayerische Motoren Werke Aktiengesellschaft | Electric machine stator cooling system |
| CN104769817B (en) * | 2012-04-03 | 2018-07-10 | 宝马股份公司 | Motor |
| CN104467288A (en) * | 2014-12-31 | 2015-03-25 | 烟台冰轮股份有限公司 | Semi-closed type oil cooling system for motor for compressor |
| CN105790507A (en) * | 2016-04-25 | 2016-07-20 | 中国船舶重工集团公司第七0四研究所 | Motor cooling water jacket structure |
| CN109428442A (en) * | 2017-08-28 | 2019-03-05 | 中车株洲电力机车研究所有限公司 | Cooling device |
| CN108019355A (en) * | 2017-11-30 | 2018-05-11 | 广东葆德科技有限公司 | A kind of oil-cooled air compressor |
| CN109921544A (en) * | 2017-12-13 | 2019-06-21 | 罗伯特·博世有限公司 | Motor |
| CN108616189A (en) * | 2018-03-27 | 2018-10-02 | 江西精骏电控技术有限公司 | A kind of electric machine casing |
| CN109129003A (en) * | 2018-09-20 | 2019-01-04 | 福鼎市金明摩托车附件有限公司 | Motor and electro spindle cooling system |
| CN111384820A (en) * | 2018-12-27 | 2020-07-07 | 观致汽车有限公司 | Cooling structure of driving motor and driving motor with cooling structure |
| CN110086285A (en) * | 2019-05-24 | 2019-08-02 | 珠海格力电器股份有限公司 | A kind of motor cabinet and the lathe with the motor cabinet |
| CN113187735A (en) * | 2021-06-04 | 2021-07-30 | 浙江风回科技有限公司 | High-speed water jet propulsion pump and power surfboard |
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Open date: 20061227 |