CN202034857U - Motor - Google Patents
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- CN202034857U CN202034857U CN2011201601479U CN201120160147U CN202034857U CN 202034857 U CN202034857 U CN 202034857U CN 2011201601479 U CN2011201601479 U CN 2011201601479U CN 201120160147 U CN201120160147 U CN 201120160147U CN 202034857 U CN202034857 U CN 202034857U
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Abstract
The utility model discloses a motor, which relates to the technical field of the motor and comprises a motor case and a rotor, wherein a rotor air passage is formed in an inner cavity of the rotor, an inner water jacket and an outer jacket are sequentially sheathed at the outer side of the rotor, a water passage used for forming a water cooling circulation system is formed between the inner water jacket and the outer water jacket, a motor case air passage is formed between the motor case and the outer water jacket, and the motor case air passage is communicated with the rotor air passage for forming an air cooling circulation system. The motor in such a structure has the advantages that a large gap motor case air passage is formed between the motor case and the outer water jacket, the air cooling circulation system structure is simplified, in addition, the resistance effect received by cooling media can be effectively reduced, the flowability of the cooling media is enhanced, the motor case and the outer water jacket can be in respectively independent structures, the structure is simple, the mechanical performance of the machine case can be ensured, the cooling air is in sufficient contact with the outer wall of the outer water jacket inside the motor case air passage, the cooling contact area is increased, the cooling effect can be improved, and further, the temperature rise of the motor can be effectively reduced.
Description
Technical field
The utility model relates to technical field of motors, relates in particular to a kind ofly can adopt water-cooled, the air-cooled motor that dispels the heat simultaneously.
Background technology
Motor is meant according to the law of electromagnetic induction realizes the conversion of electric energy or a kind of calutron of transmission, and it mainly acts on is to produce driving torque, and motor can be used as the power source of electrical appliance or various machineries.
In order to strengthen the outwards effect of heat radiation of motor, reach the purpose that reduces electric machine temperature rise, adopt cooling provision that motor is dispelled the heat usually, the type of cooling of motor mainly contains following several.
Press the coolant classification, water-cooled, air cooling and hydrogen-cooled are arranged; Press the methods for cooling classification, air cooling, water-cooled, sky-water-cooled are arranged; Press the cooling structure classification, have or not loop structure, inner circulation structure and outer circulation structure.Wherein, motor sky-boiler water circulation type of cooling has advantages such as cooling effectiveness height, good cooling results, is widely used in the various motors.
Application number discloses a kind of motor with sky-water circulation cooling structure for the Chinese patent of " CN201010184786 ".The motor of this structure, casing is divided into the water channel of a plurality of uniform sandwiches by a plurality of axial dividing plates, install at least one air channel circulation brass tube in each water channel additional, be full of the cooling water that can carry out heat exchange in the water channel in the motor outside, pipeline, rotor core pipeline and motor cavity form air circulation structure, and interlayer water channel and external cooler form the water-cooled loop structure.During the motor operation, cooling water circulates between the dividing plate in the pipeline outside, also takes away the heat of the stator core of motor inner core derivation in the convection current air cooled while by the road.
There is following technical problem in the motor of this structure:
(1) in the air circulation structure, can not form the one-way air pressure that effectively continues, constantly circulate to impel the air in the air channel; Air flow property is not strong, the heat transferred weak effect;
(2) casing Welding Structure complexity, its mechanical performance are difficult to guarantee that the manufacturing procedure of casing increases simultaneously, and technology difficulty improves, and make the corresponding raising of cost of motor;
(3) air channel, channel structure complexity in the casing, it is bigger to cause mobile coolant (air or cooling water) to be subjected to resistance, thereby further weakens the circulating property of coolant;
(4) the air duct radiation area is less, and radiating effect is relatively poor.
Therefore, how to develop that the suffered resistance of a kind of coolant is less, circulating property of coolant is strong, the motor of good heat dissipation effect, becomes the technical barrier that those skilled in the art need to be resolved hurrily.
The utility model content
The purpose of this utility model provides a kind of motor, and the suffered resistance of coolant is less in this motor, circulating property of coolant is strong, good heat dissipation effect.
To achieve these goals, the utility model provides a kind of motor, comprise casing, rotor, described rotor internal cavity forms the rotor air channel, the outside of described rotor is set with inner water sleeve, outer water jacket successively, be formed for constituting the water channel of water-cooling circulating system between described inner water sleeve and the described outer water jacket, form the casing air channel between described casing and the described outer water jacket, described casing air channel is communicated with the air-cooled circulatory system of formation with described rotor air channel.
Preferably, also comprise fan, this fan is installed in the drive end of this motor.
Preferably, be provided with ventilating duct between the afterbody of described fan and the rotor, this ventilating duct is communicated with described rotor air channel.
Preferably, described fan is a centrifugal fan.
Preferably, described casing is the welded casing of branch's formula plate muscle.
Preferably, described casing and described outer water jacket weld with the line way of contact.
Preferably, described inner water sleeve, the axial two ends of outer water jacket are respectively equipped with and are no less than one ventilation hole, and described casing air channel is communicated with described rotor air channel by described ventilation hole.
Preferably, be processed with corresponding hole slot respectively on the rotor punching of described rotor and the rotor pressing plate, the hole slot on the described rotor punching aligns with hole slot on the described rotor pressing plate and forms described rotor air channel.
The motor that the utility model provides comprises casing, rotor, rotor internal cavity forms the rotor air channel, the outside of rotor is set with inner water sleeve, outer water jacket successively, be formed for constituting the water channel of water-cooling circulating system between inner water sleeve and the outer water jacket, has the certain clearance space between casing and the outer water jacket, this clearance space forms the casing air channel, and the casing air channel is communicated with the air-cooled circulatory system of formation with the rotor air channel.
The motor of this structure, the casing air channel, big gap between casing and the outer water jacket has been simplified air-cooled circulatory system structure, and can effectively have been reduced the drag effect that coolant is subjected to, and strengthens the flowability of coolant; Casing and the outer water jacket absolute construction of can respectively doing for oneself, simple in structure, the mechanical performance of casing can be guaranteed; Cooling air can fully contact with outer water-jacket outer wall in the casing air channel, has increased the cooling contact area, can improve cooling effect, and then can effectively lower electric machine temperature rise; Cooling air can directly contact with casing in the casing air channel, and the heat of motor internal can be by cooling air circulation to the casing air channel, and then is dispersed into the motor outside by casing, can obviously improve radiation effect of motor.
In the preferred version, the drive end of motor is equipped with fan, is provided with ventilating duct between the afterbody of fan and the rotor, and ventilating duct is communicated with the rotor air channel.This structure can guarantee the seal of the wind path between fan and the rotor air channel, thereby can guarantee the continuous stability of air-flow direction, makes that the heat transferred effect is better.
In the preferred version, motor-driven end mounted fan can adopt centrifugal fan, and centrifugal fan can produce lasting one-way air pressure, to guarantee that air effectively circulates.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of motor provided by the utility model;
Fig. 2 is the structural representation in casing air channel among Fig. 1;
Fig. 3 be among Fig. 2 A-A to structural representation;
Fig. 4 is the structural representation of Fig. 1 rotor punching;
Fig. 5-1 is the structural representation of fan among Fig. 1;
Fig. 5-2 be among Fig. 5-1 B-B to structural representation;
Fig. 6-1 is the structural representation of ventilating duct among Fig. 1;
Fig. 6-2 be among Fig. 6-1 C-C to structural representation;
Wherein, among Fig. 1-Fig. 6-2:
Embodiment
In order to make those skilled in the art better understand the technical solution of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please referring to Fig. 1-Fig. 3, Fig. 1 is the structural representation of a kind of embodiment of motor provided by the utility model, and Fig. 2 is the structural representation in casing air channel among Fig. 1, Fig. 3 be among Fig. 2 A-A to structural representation.
As shown in Figure 1-Figure 3, the motor that the utility model provides comprises casing 2, rotor 1, the inner chamber of rotor 1 forms rotor air channel 5, rotor air channel 5 can be for being distributed in the hole, a plurality of air channel 51 of rotor 1 inner chamber, the outside of rotor 1 is set with inner water sleeve 4, outer water jacket 3 successively, clearance space between inner water sleeve 4 and the outer water jacket 3 forms water channel, can hold cooling water in the water channel, and water channel can form water-cooling circulating system with heat-exchange system; Casing air channel 6 is communicated with rotor air channel 5, casing air channel 6 forms the air-cooled circulatory system with the closed circulation system that rotor air channel 5 constitutes, cooling air can circulate in this air-cooled circulatory system, cooling air can in time be circulated to the heat in rotor 1 inner chamber in the casing air channel 6, and the cooling air in the casing air channel 6 can carry out heat exchange with outer water jacket 3, casing 2.
The motor of this structure, the casing air channel, big gap 6 between casing 2 and the outer water jacket 3 has been simplified air-cooled circulatory system structure, and can effectively have been reduced the drag effect that coolant is subjected to, and strengthens the flowability of coolant; Casing 2 and outer water jacket 3 absolute construction of can respectively doing for oneself, simple in structure, the mechanical performance of casing 2 can be guaranteed; Cooling air can fully contact with outer water jacket 3 outer walls in casing air channel 6, has increased the cooling contact area, can improve cooling effect, and then can effectively lower electric machine temperature rise; Cooling air can directly contact with casing 2 in casing air channel 6, and the heat of motor internal can be by being circulated in the casing air channel 6 of cooling air, and then be dispersed into the motor outside by casing 2, can obviously improve radiation effect of motor.
In the preferred version, in order to accelerate the speed that cooling air circulates in the air-cooled circulatory system, fan 7 can be installed, under the actuating force effect of fan 7 at the drive end of motor, cooling air in the air-cooled circulatory system can circulate quickly, can improve the cooling rate of motor.
In the more excellent scheme, motor-driven end mounted fan 7 can adopt centrifugal fan, and shown in Fig. 5-1, Fig. 5-2, centrifugal fan can produce lasting one-way air pressure, to guarantee that air effectively circulates.
In the preferred version, be provided with ventilating duct 8 between the afterbody of fan 7 and the rotor 1, shown in Fig. 6-1, Fig. 6-2, ventilating duct 8 is communicated with rotor air channel 5.This structure can guarantee the seal of the wind path between fan 7 and the rotor air channel 5, thereby can guarantee the continuous stability of air-flow direction, makes that the heat transferred effect is better.
In the concrete scheme, as shown in Figure 1 and Figure 2, inner water sleeve 4, outer water jacket 3 axial two ends are respectively equipped with the ventilation hole 9 that is no less than, casing air channel 6 can be communicated with rotor air channel 5 by the ventilation hole 9 at two ends, make casing air channel 6 and rotor air channel 5 form the closed circulatory system, the axial two ends of inner water sleeve 4, outer water jacket 3 can process four uniform ventilation holes 9 respectively, can be smooth and easy mobile between casing air channel 6 and rotor air channel 5 to guarantee cooling air.
In the concrete scheme, can on the rotor punching of rotor 1 and rotor pressing plate, be processed with corresponding hole slot respectively, it is hole, air channel 51, as shown in Figure 4, the uniform hole, a plurality of air channel 51 that is provided with on rotor punching, equally, the also uniform hole, a plurality of air channel that is provided with on the rotor pressing plate, aliging with the hole, air channel on the rotor pressing plate in the hole, air channel 51 on the rotor punching to form rotor air channel 5.
In the preferred version, casing 2 can adopt the welded casing 2 of branch's formula plate muscle, as shown in Figure 3, casing 2 can divide left and right sides two parts, every part is plate muscle Welding Structure, particularly, plate muscle Welding Structure can comprise vertical plate, be located at the level board at vertical plate two ends respectively, vertical plate and level board are by gusset 21 welding, plate muscle Welding Structure can be fixed by welding and outer water jacket 3, can form bigger clearance space between the casing 2 of this structure and the outer water jacket 3, this clearance space forms casing air channel 6.
In the more excellent scheme, casing 2 can make that the Welding Structure of casing 2 is simple by the line way of contact and casing 2 welding, and mechanical performance can be guaranteed, and manufacturing procedure is simple, and technology difficulty is lower, can reduce the production cost of motor; In addition, this structure can make the outer water jacket 3 of part directly expose in air, as shown in Figure 3, outer water jacket 3 nearly about 1/5 directly exposes in air, outer water jacket 3 can be directly and extraneous air carry out heat exchange, can improve cooling effect, can effectively reduce electric machine temperature rise.
The above only is the description of the preferred implementation of utility model; should be understood that; because the finiteness of literal expression; and objectively have unlimited concrete structure; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (8)
1. motor, comprise casing, rotor, described rotor internal cavity forms the rotor air channel, the outside of described rotor is set with inner water sleeve, outer water jacket successively, be formed for constituting the water channel of water-cooling circulating system between described inner water sleeve and the described outer water jacket, it is characterized in that form the casing air channel between described casing and the described outer water jacket, described casing air channel is communicated with the air-cooled circulatory system of formation with described rotor air channel.
2. motor according to claim 1 is characterized in that, also comprises fan, and described fan is installed in the drive end of described motor.
3. motor according to claim 2 is characterized in that, is provided with ventilating duct between the afterbody of described fan and the rotor, and this ventilating duct is communicated with described rotor air channel.
4. motor according to claim 2 is characterized in that, described fan is a centrifugal fan.
5. according to each described motor of claim 1-4, it is characterized in that described casing is the welded casing of branch's formula plate muscle.
6. motor according to claim 5 is characterized in that, described casing and described outer water jacket weld with the line way of contact.
7. motor according to claim 1 is characterized in that, described inner water sleeve, the axial two ends of outer water jacket are respectively equipped with and are no less than one ventilation hole, and described casing air channel is communicated with described rotor air channel by described ventilation hole.
8. motor according to claim 1 is characterized in that, is processed with corresponding hole slot respectively on the rotor punching of described rotor and the rotor pressing plate, and the hole slot on the described rotor punching aligns with hole slot on the described rotor pressing plate and forms described rotor air channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201601479U CN202034857U (en) | 2011-05-18 | 2011-05-18 | Motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201601479U CN202034857U (en) | 2011-05-18 | 2011-05-18 | Motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202034857U true CN202034857U (en) | 2011-11-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201601479U Expired - Fee Related CN202034857U (en) | 2011-05-18 | 2011-05-18 | Motor |
Country Status (1)
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| CN (1) | CN202034857U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420498A (en) * | 2011-11-23 | 2012-04-18 | 中船重工电机科技股份有限公司 | Air course of jacket-cooled generator |
| DE102013112010A1 (en) * | 2013-10-31 | 2015-04-30 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Electric machine |
| CN111902327A (en) * | 2018-01-16 | 2020-11-06 | 西门子交通有限公司 | Bogie for railway vehicle |
| WO2021114606A1 (en) * | 2019-12-12 | 2021-06-17 | 中车永济电机有限公司 | Air- and water-cooled high-power permanent magnet traction motor having a hanging structure |
| CN114204739A (en) * | 2021-11-22 | 2022-03-18 | 太仓富华特种电机有限公司 | Evaporation formula forced air cooling motor |
| CN115149704A (en) * | 2022-07-13 | 2022-10-04 | 电子科技大学长三角研究院(湖州) | Combined shell for air-cooled servo motor |
| US11837943B2 (en) | 2019-12-20 | 2023-12-05 | Volvo Car Corporation | Rotor air cooling system |
-
2011
- 2011-05-18 CN CN2011201601479U patent/CN202034857U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420498A (en) * | 2011-11-23 | 2012-04-18 | 中船重工电机科技股份有限公司 | Air course of jacket-cooled generator |
| CN102420498B (en) * | 2011-11-23 | 2013-07-10 | 中船重工电机科技股份有限公司 | Air course of jacket-cooled generator |
| DE102013112010A1 (en) * | 2013-10-31 | 2015-04-30 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Electric machine |
| CN111902327A (en) * | 2018-01-16 | 2020-11-06 | 西门子交通有限公司 | Bogie for railway vehicle |
| CN111902327B (en) * | 2018-01-16 | 2023-09-29 | 西门子交通有限公司 | Bogie of railway vehicle |
| US11845477B2 (en) | 2018-01-16 | 2023-12-19 | Siemens Mobility GmbH | Bogie of a rail vehicle |
| WO2021114606A1 (en) * | 2019-12-12 | 2021-06-17 | 中车永济电机有限公司 | Air- and water-cooled high-power permanent magnet traction motor having a hanging structure |
| US11837943B2 (en) | 2019-12-20 | 2023-12-05 | Volvo Car Corporation | Rotor air cooling system |
| CN114204739A (en) * | 2021-11-22 | 2022-03-18 | 太仓富华特种电机有限公司 | Evaporation formula forced air cooling motor |
| CN115149704A (en) * | 2022-07-13 | 2022-10-04 | 电子科技大学长三角研究院(湖州) | Combined shell for air-cooled servo motor |
| CN115149704B (en) * | 2022-07-13 | 2024-08-13 | 电子科技大学长三角研究院(湖州) | Combined shell for air cooling servo motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20120518 |