CN105871125A - Rotary motor atomizing evaporative cooling system, motor and cooling method thereof - Google Patents
Rotary motor atomizing evaporative cooling system, motor and cooling method thereof Download PDFInfo
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- CN105871125A CN105871125A CN201510028645.0A CN201510028645A CN105871125A CN 105871125 A CN105871125 A CN 105871125A CN 201510028645 A CN201510028645 A CN 201510028645A CN 105871125 A CN105871125 A CN 105871125A
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Abstract
The invention discloses a rotary motor atomizing evaporative cooling system, a motor and a cooling method thereof. The cooling system comprises an atomizing nozzle 4, an air supply device 5, a cooling device 6, and a circulating device 7. The air supply device 5 is arranged in the motor or outside the motor. The atomizing nozzle 4 is arranged at the front part of back part of the air supply device 5. The cooling device 6 and the atomizing nozzle 4 are connected through the circulating device 7. According to the rotary motor atomizing evaporative cooling system of the invention, the limitations and complexity of the prior art are overcome, on the basis of the basically unchanged traditional structure and ventilating and cooling mode of a rotary motor, the atomizing evaporative cooling technology is disclosed, the internal component in the motor can be cooled, a motor stator and a motor rotor can be cooled at the same time, the complexity of the structure is not significantly increased, and the technology has wide applicability of the rotary motor.
Description
Technical field
The present invention relates to cooling system and the cooling means thereof of a kind of electric rotating machine, the technical field of the atomization and vaporization cooling of a kind of large-scale rotary generator.
Background technology
Electric rotating machine operationally can produce loss and become heat, is lost with the increase of capacity motor and strengthens the most therewith, the most effectively takes away heat, make motor be winding is effectively cooled and unlikely overheated, is one of the key technology of motor.
Evaporation cooling technique is the heat utilizing the mode of evaporative cooling medium gasification heat absorption to take away in motor, is characterized in that gasification latent heat is big, safe and efficient, has the potentiality substituting other cooling technologies, has obtained ripe utilization in the cooling of part motor.But, technological system before this is complicated, and limitation is big, costly, only applies to indivedual special type and occasion, it is impossible to popularization and application.
The evaporative cooling motor announced mainly has a several ways: one, pipeline inner-cooled；Two, immersion type and (or) fountain.
First kind of way is commonly used on stator coil, and stator coil uses hollow core conductor, flow evaporation cooling liquid in hollow core conductor, endothermic gasification and cooling to condense and recycles.This mode stator coil needs a set of independent evaporating, cooling and circulating system, can only cool down stator coil, it is impossible to evaporation cooling stator core and rotor (including rotor coil).It is also proposed now the type of cooling being passed through evaporative cooling liquid body inside rotor coil, but structure is sufficiently complex, very big with traditional product difference, realizability is low, and can only evaporate cooling rotor.
The second way refers generally to complete immersion formula stator, its good cooling results, but stator entirety need to seal, and full evaporative cooling liquid body, its seal structure complex, this is the highest for required coolant scale of construction great achievement, making its economy the best, this mode can only cool down stator, it is impossible to cooling rotor.Also having proposition stator to use the spraying and sprinkling evaporation type of cooling, its stator is also required to seal, and nozzle system is more complicated, and the most required coolant scale of construction relatively complete immersion formula stator reduces, and can not cool down rotor.
Summary of the invention
It is an object of the invention to overcome the limitation of prior art and complexity, on the basis of electric rotating machine traditional structure and ventilating and cooling mode are basically unchanged, a kind of atomization and vaporization cooling technology is proposed, the parts of motor internal can be cooled down, and don't dramatically increase structural complexity, electric rotating machine is had wide applicability.
The technical solution used in the present invention is as follows:
A kind of electric rotating machine atomization and vaporization cooling system, including atomizer 4, air-supply arrangement 5, chiller 6, circulating device 7, described air-supply arrangement 5 is arranged on motor either internally or externally, described atomizer 4 is arranged on air-supply arrangement 5 front portion or rear portion, and described chiller 6, atomizer 4 are connected by circulating device 7.
Alternately, above-mentioned a kind of electric rotating machine atomization and vaporization cooling system, described chiller 6 includes that cooler 8, liquid collecting plate 9, described liquid collecting plate 9 are arranged on cooler 8 bottom.
Alternately, above-mentioned a kind of electric rotating machine atomization and vaporization cooling system, described circulating device 7 includes Liquid storage container 10, circulating pump 11, pipeline 12, described Liquid storage container 10 is connected with liquid collecting plate 9 by pipeline 1, described Liquid storage container 10 is connected with atomizer 4 by pipeline 2 14, and described circulating pump 11 is arranged on pipeline 2 14 or Liquid storage container 10.
Alternately, above-mentioned a kind of electric rotating machine atomization and vaporization cooling system, motor stator 1 includes that stator coil 18, stator core 19, described stator core 19 arrange radial passage 20 or axial ducts 21.
Alternately, above-mentioned a kind of electric rotating machine atomization and vaporization cooling system, rotor 2 includes rotor block 15, rotor coil 16, described rotor coil 16 arranges air vent.
Alternately, above-mentioned a kind of electric rotating machine atomization and vaporization cooling system, collection device 17 is set bottom casing 3, described collection device 17 is connected with circulating device 7 by pipeline.
A kind of motor with atomization and vaporization cooling system, motor stator 1, rotor 2 are placed in the confined space being made up of casing 3, end cap 22 and sealing 23.
A kind of electric rotating machine atomization and vaporization cooling means, comprises the following steps:
A cooling drop that () is atomized sprays by being arranged on anterior or rear portion the atomizer 4 of air-supply arrangement 5；
B () is arranged on the air-supply arrangement 5 of motor stator 1 side or both sides and promotes the cooling droplets mixing cooling down gas with the atomization in described step (a)；
C () described atomized liquid coolant drips with cooling gas flowing, touch motor stator 1, rotor 2 parts and become gas after absorbing heat, or become gas after the heat of absorption cooling gas on phase transition temperature；
D the gas in () described step (c) is being recycled at cooler 8, discharge heat and be condensed into liquid, and heat is taken away by the outside cooling medium in cooler 8, described in be condensed into after liquid collected by liquid collecting plate 9, be back to Liquid storage container 10 by pipeline 1；
E the circulating pump 11 in () described circulating device 7 pressurizes, be delivered to the coolant in Liquid storage container 10 at atomizer 4 spray, become vaporific microlayer model, and the cooling gas promoted with air-supply arrangement 5 mixes, and repetitive cycling uses.
Alternately, above-mentioned a kind of electric rotating machine atomization and vaporization cooling system, the cooling liquid that do not gasifies is gathered in bottom casing 3, returns to blood circulation by being arranged on the bottom evaporative cooling liquid body residual liquid collection device 17 of motor case 3.
Alternately, above-mentioned a kind of electric rotating machine atomization and vaporization cooling system, the atomized liquid coolant in described step (c) drip with cooling gas flowing, for motor stator 1, a part of atomized liquid coolant drip with stator coil 18 ends contact after, absorb heat gasification；Another part enters the space between motor stator 1, rotor 2, contact with stator core 19 internal circular surfaces, gasify after absorbing heat, or enter stator core 19 radial passage 20 or axial ducts 21, gasify after absorbing the heat of stator core 19 and stator coil 18；For rotor 2, part cooling drop enters the space between motor stator 1, rotor 2, contacts with rotor block 15 outer round surface, gasifies after absorbing heat；Another part, enters the air vent of rotor coil 16 and contacts with rotor coil 16, gasifies after absorbing heat.
In sum, the invention has the beneficial effects as follows:
1, compared with other vapor cooling systems, the present invention keeps the traditional structure of electric rotating machine constant, only increases a set of evaporative cooling liquid atomization blood circulation, and motor ventilation cooling circuit also keeps constant, thus simple in construction, easily realize, applied range.
2, compared with needing different blood circulation and labyrinth with other vapor cooling system stators, rotor, the present invention uses set of system i.e. to achieve motor stator, the cooling of rotor, and does not has the special construction requirement of cost intensive.
3, compared with immersion type evaporation cooling, evaporative cooling liquid body consumption of the present invention is few, and cyclic utilization rate is high, cooling liquid low cost, good economy performance.
4 and other gas cooling, the most air cooled mode is compared, what in the present invention, the coolant of atomization cooled down is in hgher efficiency, motor stator, rotor are cooled down by the coolant of atomization, compare air and only become for hot-air from cold air, more heat can be taken away during the coolant of atomization becomes gas.
Electric rotating machine atomization and vaporization cooling system in the present invention overcomes limitation and the complexity of prior art, on the basis of electric rotating machine traditional structure and ventilating and cooling mode are basically unchanged, a kind of atomization and vaporization cooling technology is proposed, the parts of motor internal can be cooled down, i.e. motor stator, rotor can be cooled down simultaneously, and don't dramatically increase structural complexity, electric rotating machine is had wide applicability.
Accompanying drawing explanation
Fig. 1 is electric rotating machine atomization and vaporization cooling system structure schematic diagram a kind of in invention.
Labelling in figure: 1 be motor stator, 2 be rotor, 3 be casing, 4 be atomizer, 5 be air-supply arrangement, 6 be chiller, 7 be circulating device, 8 be cooler, 9 be liquid collecting plate, 10 be Liquid storage container, 11 be circulating pump, 12 be pipeline, 13 be rotor block for pipeline one, 14 for pipeline two, 15,16 be rotor coil, 17 be collection device, 18 be stator coil, 19 be stator core, 20 be radial passage, 21 be axial ducts, 22 be end cap, 23 be sealing.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of electric rotating machine atomization and vaporization cooling system, motor stator 1, rotor 2 are placed in by casing 3, including atomizer 4, air-supply arrangement 5, chiller 6, circulating device 7, described air-supply arrangement 5 is arranged on motor either internally or externally, described atomizer 4 is arranged in groups or rear portion anterior at air-supply arrangement 5, and described chiller 6 is arranged between motor stator 1 and casing 3, and described chiller 6, atomizer 4 are connected by circulating device 7.If air-supply arrangement 5 is arranged on the inside of motor, the most described air-supply arrangement 5 can be arranged on motor stator 1 side or both sides.If air-supply arrangement 5 is arranged on the outside of motor, then can send into motor internal by the wind that air-supply arrangement 5 is produced by pipeline.Described casing 3 two ends arrange end cap 22, and described rotor 2 penetrates end cap 22, arranges sealing 23 between described rotor 2 and end cap 22.The confined space that described casing 3, end cap 22 and sealing 23 are constituted.Described motor stator 1, rotor 2 are by air-supply arrangement 5, such as fan, the cooling droplets mixing Posterior circle ventilating and cooling after the atomization that cooling gas and the atomizer 4 of promotion sprays.Atomized liquid coolant drips with cooling gas flowing, becomes gas after touching the parts absorption heat of motor stator, 1 rotor 2.
Described chiller 6 includes that cooler 8, liquid collecting plate 9, described liquid collecting plate 9 are arranged on cooler 8 bottom.Described circulating device 7 includes Liquid storage container 10, circulating pump 11, pipeline 12, described liquid container 10 is connected with liquid collecting plate 9 by pipeline 1, described Liquid storage container 10 is connected with atomizer 4 by pipeline 2 14, and described circulating pump 11 is arranged on pipeline 2 14 or Liquid storage container 10.
Atomized liquid coolant becomes gas after dripping heat absorption, is being recycled at cooler of electric motor 8, is discharging heat and be condensed into liquid, and heat is taken away by the outside cooling medium in cooler 8, and described liquid is collected by liquid collecting plate 9, is pooled in Liquid storage container 10 by pipeline 1.Evaporative cooling liquid body uses forced circulation mode, and evaporative cooling liquid body is transported at atomizer 4 by pipeline 2 14 by circulating pump 11 under the control of the controller, and repetitive cycling uses evaporative cooling liquid body.
Described motor stator 1 includes stator coil 18, stator core 19, described stator core 19 arranges radial passage 20 or axial ducts 21, the evaporative cooling liquid body being easy to atomization enters the radial passage 20 of stator core 19, axial ducts 21, cools down stator core.
Described rotor 2 includes rotor block 15, rotor coil 16, and described rotor coil 16 arranges air vent, it is simple to rotor coil 16 is cooled down by the air vent that the evaporative cooling liquid body of atomization enters on rotor coil 16.
Collection device 17 is set bottom described casing 3, collects the liquid collecting in the condensation bottom casing 3.Described collection device 17 is connected with circulating device 7 by pipeline.
A kind of motor with atomization and vaporization cooling system, described motor stator 1, rotor 2 are placed in the confined space being made up of casing 3, end cap 22 and sealing 23.
A kind of electric rotating machine atomization and vaporization cooling means, comprises the following steps:
A cooling drop that () is atomized sprays by being arranged in groups the atomizer 4 of or rear portion anterior at air-supply arrangement 5；
B () is arranged on the air-supply arrangement 5 of motor stator 1 side or both sides and promotes the cooling droplets mixing cooling down gas with the atomization in described step a；
C () described atomized liquid coolant drips with cooling gas flowing, become gas, or become gas after the heat of absorption cooling gas on phase transition temperature after touching the parts absorption heat of motor stator 1, rotor 2；Shown in atomized liquid coolant drip with cooling gas flowing, for motor stator 1, a part of atomized liquid coolant drip with stator coil 18 ends contact after, absorb heat gasification；Another part enters the space between motor stator 1, rotor 2, contact with stator core 19 internal circular surfaces, gasify after absorbing heat, or enter stator core 19 radial passage 20 or axial ducts 21, gasify after absorbing the heat of stator core 19 and stator coil 18；For rotor 2, part cooling drop enters the space between motor stator 1, rotor 2, contacts with rotor block 15 outer round surface, gasifies after absorbing heat；Another part, when rotor coil 16 is designed with air vent, enters these air vents and contacts with rotor coil 16, gasifies after absorbing heat；Cooling drop by absorbing the heat direct gasification of cooling gas, thus can also reduce the temperature of cooling gas.
D the gas in () described step c is being recycled at cooler 8, discharge heat and be condensed into liquid, and heat is taken away by the outside cooling medium in cooler 8, described in be condensed into after liquid collected by liquid collecting plate 9, be back to Liquid storage container 10 by pipeline 1；
E the circulating pump 11 in () described circulating device 7 pressurizes, be delivered to the coolant in Liquid storage container 10 at atomizer 4 spray, become misty liquid droplets, and the cooling gas promoted with air-supply arrangement 5 mixes, and repetitive cycling uses.
The cooling liquid that do not gasifies is gathered in bottom casing 3, returns to blood circulation by being arranged on the bottom evaporative cooling liquid body residual liquid collection device 17 of motor case 3.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (10)
1. an electric rotating machine atomization and vaporization cooling system, including atomizer (4), air-supply arrangement (5), chiller (6), circulating device (7), it is characterized in that: described air-supply arrangement (5) is arranged on motor either internally or externally, described atomizer (4) is arranged on air-supply arrangement (5) front portion or rear portion, and described chiller (6), atomizer (4) are connected by circulating device (7).
2. a kind of electric rotating machine atomization and vaporization cooling system as claimed in claim 1, it is characterised in that: described chiller (6) includes cooler (8), liquid collecting plate (9), and described liquid collecting plate (9) is arranged on cooler (8) bottom.
3. a kind of electric rotating machine atomization and vaporization cooling system as claimed in claim 1, it is characterized in that: described circulating device (7) includes Liquid storage container (10), circulating pump (11), pipeline (12), described Liquid storage container (10) is connected with liquid collecting plate (9) by pipeline one (13), described Liquid storage container (10) is connected with atomizer (4) by pipeline two (14), and described circulating pump (11) is arranged on pipeline two (14) or Liquid storage container (10).
4. a kind of electric rotating machine atomization and vaporization cooling system as claimed in claim 1, it is characterized in that: motor stator (1) includes stator coil (18), stator core (19), described stator core (19) arranges radial passage (20) or axial ducts (21).
5. a kind of electric rotating machine atomization and vaporization cooling system as claimed in claim 1, it is characterised in that: rotor (2) includes rotor block (15), rotor coil (16), and described rotor coil arranges air vent on (16).
6. a kind of electric rotating machine atomization and vaporization cooling system as claimed in claim 1, it is characterised in that: casing (3) bottom arranges collection device (17), and described collection device (17) is connected with circulating device (7) by pipeline.
7. a motor with electric rotating machine atomization and vaporization cooling system as claimed in claim 1, it is characterised in that: motor stator (1), rotor (2) are placed in the confined space being made up of casing (3), end cap (22) and sealing (23).
8. an electric rotating machine atomization and vaporization cooling means, it is characterised in that: comprise the following steps:
A cooling drop that () is atomized sprays by being arranged on anterior or rear portion the atomizer (4) of air-supply arrangement (5)；
B () is arranged on the air-supply arrangement (5) of motor stator (1) side or both sides and promotes the cooling droplets mixing cooling down gas with the atomization in described step (a)；
C () described atomized liquid coolant drips with cooling gas flowing, touch motor stator (1), rotor (2) parts and become gas after absorbing heat, or become gas after the heat of absorption cooling gas on phase transition temperature；
D the gas in () described step (c) is being recycled to cooler (8) place, discharge heat and be condensed into liquid, after described condensed fluid is collected by liquid collecting plate (9), is back to Liquid storage container (10) by pipeline one (13)；
E circulating pump (11) pressurization in () described circulating device (7), is delivered to the coolant in Liquid storage container (10) ejection of atomizer (4) place, becomes vaporific microlayer model, the cooling gas promoted with air-supply arrangement (5) mixes, and repetitive cycling uses.
9. a kind of electric rotating machine atomization and vaporization cooling means as claimed in claim 8, it is characterized in that: the cooling liquid that do not gasifies is gathered in casing (3) bottom, returns to blood circulation by being arranged on bottom evaporative cooling liquid body residual liquid collection device (17) of motor case (3).
10. a kind of electric rotating machine atomization and vaporization cooling means as claimed in claim 8, it is characterized in that: the atomized liquid coolant in described step (c) drips with cooling gas flowing, for motor stator (1), a part of atomized liquid coolant drips and after stator coil (18) ends contact, absorbs heat gasification；Another part enters the space between motor stator (1), rotor (2), contact with stator core (19) internal circular surfaces, gasify after absorbing heat, or enter stator core (19) radial passage (20) or axial ducts (21), gasify after absorbing the heat of stator core (19) and stator coil (18)；For rotor (2), part cooling drop enters the space between motor stator (1), rotor (2), contacts with rotor block (15) outer round surface, gasifies after absorbing heat；Another part, enters the air vent of rotor coil (16) and contacts with rotor coil (16), gasifies after absorbing heat.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510028645.0A CN105871125A (en) | 2015-01-21 | 2015-01-21 | Rotary motor atomizing evaporative cooling system, motor and cooling method thereof |
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| CN201510028645.0A CN105871125A (en) | 2015-01-21 | 2015-01-21 | Rotary motor atomizing evaporative cooling system, motor and cooling method thereof |
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| CN107453507A (en) * | 2017-06-28 | 2017-12-08 | 中国科学院电工研究所 | A kind of oil-cooled motor oil spout mouth structure and cooling means |
| CN108494171A (en) * | 2018-05-23 | 2018-09-04 | 深圳市纳瑞科技有限公司 | A kind of cooling system device |
| CN109412351A (en) * | 2018-12-17 | 2019-03-01 | 无锡职业技术学院 | A kind of half seals the electromotor cooling system of centrifugal compressor |
| CN110140282A (en) * | 2016-11-24 | 2019-08-16 | M-链接株式会社 | For iron-core-free rotating electric machine and its driving method in over proof work under load and the drive system comprising the iron-core-free rotating electric machine |
| CN110879159A (en) * | 2019-12-27 | 2020-03-13 | 长安大学 | High-temperature high-humidity aerosol sampling device and sampling method |
| CN112005472A (en) * | 2018-04-17 | 2020-11-27 | 舍弗勒技术股份两合公司 | Hybrid module with cooling device for actively cooling the stator |
| US20210317835A1 (en) * | 2020-04-09 | 2021-10-14 | Hamilton Sundstrand Corporation | Cooling system for electric machines |
| WO2021232602A1 (en) * | 2020-05-20 | 2021-11-25 | 江苏金彭集团有限公司 | Motor suitable for use in electric vehicle |
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| US11563361B2 (en) | 2016-11-24 | 2023-01-24 | M-Link Co., Ltd. | Coreless rotating electrical machine for being operated under load exceeding rating, driving method thereof, and driving system including thereof |
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| CN110879159A (en) * | 2019-12-27 | 2020-03-13 | 长安大学 | High-temperature high-humidity aerosol sampling device and sampling method |
| US20210317835A1 (en) * | 2020-04-09 | 2021-10-14 | Hamilton Sundstrand Corporation | Cooling system for electric machines |
| GB2594920A (en) * | 2020-04-09 | 2021-11-17 | Hamilton Sundstrand Corp | Cooling system for electric machines |
| US11859623B2 (en) * | 2020-04-09 | 2024-01-02 | Hamilton Sundstrand Corporation | Cooling system for electric machines |
| WO2021232602A1 (en) * | 2020-05-20 | 2021-11-25 | 江苏金彭集团有限公司 | Motor suitable for use in electric vehicle |
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Effective date of registration: 20180214 Address after: 618000 the Yellow River West Road, Sichuan, China, No. 188, No. Applicant after: Dongfang Electric Group Dongfang Motor Co., Ltd. Applicant after: Institute of Electrical Engineering of the Chinese Academy of Sciences Address before: 618000 the Yellow River West Road, Sichuan, China, No. 188, No. Applicant before: Dongfang Electric Group Dongfang Motor Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160817 |