CN201690319U - Wind-driven generator - Google Patents
Wind-driven generator Download PDFInfo
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- CN201690319U CN201690319U CN2010201130387U CN201020113038U CN201690319U CN 201690319 U CN201690319 U CN 201690319U CN 2010201130387 U CN2010201130387 U CN 2010201130387U CN 201020113038 U CN201020113038 U CN 201020113038U CN 201690319 U CN201690319 U CN 201690319U
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Abstract
The utility model discloses a wind-driven generator, which comprises a rotor iron core and a stator iron core, wherein the rotor iron core comprises a plurality of rotor iron core units (11), and a first radial passage (21) is respectively arranged between two adjacent rotor iron core units (11); the stator iron core comprises a plurality of stator iron core units (12), and a second radial passage (22) connected with the first radial passages (21) is respectively arranged between two adjacent rotor iron core units (11); the wind-driven generator is also provided with an external air cooling passage (5) and an internal air cooling passage which are communicated with each other; the internal air cooling passage comprises the first radial passages (21) and the second radial passages (22); a cooling jacket is sleeved on the stator iron core, and is provided with a third radial passage communicated with the second radial passages (22). The wind-driven generator has good cooling effect, compact structure, light weight and small volume.
Description
Technical field
The utility model relates to the electric equipment technical field, particularly a kind of wind-driven generator.
Background technology
Wind-driven generator is a kind ofly to utilize the pneumatic equipment blades made capturing wind energy, and is translated into mechanical energy, and then drives the energy device of generator for electricity generation.Utilize wind power generation can reduce environmental pollution on the one hand, can save non-renewable resources such as oil, coal on the other hand, thereby have vast potential for future development.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of typical wind-driven generator in the prior art.
Generator of the prior art comprise rotor core 1 ' and stator core 2 ', stator core 2 ' outer cover be equipped with water jacket 3 ', as shown in Figure 1, what wind-driven generator adopted is the type of cooling axially air-cooled and that the water jacket cooling combines, air-cooled passage comprise external refrigeration air channel 4 ', and with the inside cooling air channel in external refrigeration air channel 4 ' be communicated with, described inner cooling air channel comprise pass vertically rotor core 2 ' rotor axial air channel 5 '.
As shown in Figure 1, described inner cooling air channel comprise pass vertically rotor core 2 ' rotor axial air channel 5 ', motor has axial wind path, causes the volume of motor bigger.
In addition, as shown in Figure 1, epitrochanterian heat to pass through rotor axial air channel 5 ', promptly to be delivered in the air by rotor winding, rotor core tooth portion and this path of rotor core yoke portion, increased heat conducting thermal resistance, and the area of dissipation of motor is little, cooling effect is poor.
In sum, having in reservation on the basis of jacket structure for water of good cooling effect, how to improve air-cooled cooling structure, improve the cooling effect of generator, and reduce the volume of generator, is the problem that those skilled in the art need solution badly.
The utility model content
The technical problems to be solved in the utility model provides a kind of wind-driven generator, and this generator has favorable cooling effect on the one hand, on the other hand compact conformation, in light weight, volume is little.
For solving the problems of the technologies described above, the utility model provides a kind of wind-driven generator, comprises rotor core and stator core, and described rotor core comprises a plurality of rotor cores unit, is provided with first radial passage between two adjacent described rotor core unit; Described stator core comprises a plurality of stator cores unit, is provided with second radial passage that is communicated with described first radial passage between two adjacent described stator core unit; Described generator also has external refrigeration air channel and the inner cooling air channel that is interconnected, and described inner cooling air channel comprises described first radial passage and described second radial passage; The outer cover of described stator core is equipped with cooling jacket, and described cooling jacket is provided with the 3rd radial passage, and described the 3rd radial passage is communicated with described second radial passage.
Preferably, described cooling jacket comprises a plurality of ring-type water jackets unit, and a described ring-type water jacket unit is set in the outside of a described stator core unit; Gap between adjacent two described ring-type water jacket unit forms described the 3rd radial passage.
Preferably, the cross sectional shape of described ring-type water jacket unit is a quadrangle, and the axial width of described ring-type water jacket unit equals the axial width of described stator core unit substantially.
Preferably, the outside of described cooling jacket is provided with thermal component.
Preferably, described thermal component is the radiating ribs of extending vertically.
Preferably, described inner cooling air channel also comprises axial ducts, and described axial ducts are divided into disconnected first axial ducts and second axial ducts mutually by barrier component; The external refrigeration air channel in described generator left side is communicated with each described first radial passage in described barrier component left side by described first axial ducts; The external refrigeration air channel on described generator right side is communicated with each described first radial passage on described barrier component right side by described second axial ducts.
Preferably, the outside of described alternator shaft is provided with the rotor gusset that extends vertically, and the space between two adjacent rotor gussets forms described axial ducts, and described barrier component is located between two adjacent described rotor gussets.
Preferably, the inside of each described rotor core unit is equipped with the ventilation hole that extends vertically, and each described ventilation hole is connected to form described axial passage vertically.
On the basis of existing technology, the rotor core of wind-driven generator provided by the utility model comprises a plurality of rotor cores unit, is provided with first radial passage between two adjacent described rotor core unit; The stator core of described generator comprises a plurality of stator cores unit, is provided with second radial passage between two adjacent described stator core unit; The inside cooling air channel of described generator comprises described first radial passage and described second radial passage, and described first radial passage and described second radial passage are interconnected; The outer cover of described stator core is equipped with cooling jacket, and described cooling jacket is provided with the 3rd radial passage, and described the 3rd radial passage is communicated with described second radial passage.
Cooling air has entered inner cooling air channel by the external refrigeration air channel, and successively by first radial passage, second radial passage and the 3rd radial passage, enter the cavity between support and the cooling jacket, with cooling jacket generation heat exchange, conduct heat in the water jacket, and then be communicated with, thereby form the cooling circuit that circulates with the external refrigeration air channel.Owing to all have first radial passage between each rotor core unit, all has second radial passage between each stator core unit, and each first radial passage and each second radial passage are corresponding one by one to be communicated with, described generator radially has many cooling circuits, thereby enlarged markedly area of dissipation, thereby improved the cooling effect of generator.Simultaneously, the heat that rotor core produces is by above-mentioned two radial passages, and enters in the cavity between support and the water jacket by the 3rd radial passage, and is transmitted in the water jacket by heat exchange; Stator core directly contacts with water jacket, thereby the heat that stator core produces is directly delivered in the water jacket, thereby has effectively improved cooling effectiveness.
In addition, another road of motor cooling air can be taken away the heat of stator winding end through the end of stator winding, directly enters the cavity between support and the water jacket, by and water jacket between heat exchange, conduct heat among the water jacket.
Compared with prior art, generator provided by the utility model is provided with cooling circuit on the contrary diametrically because axial cooling circuit is not set, and has saved huge cooler simultaneously, thereby has reduced motor volume.
As from the foregoing, generator provided by the utility model has favorable cooling effect on the one hand, on the other hand compact conformation, in light weight, volume is little.
Description of drawings
Fig. 1 is the structural representation of a kind of typical wind-driven generator in the prior art;
Fig. 2 is the main TV structure schematic diagram of wind-driven generator among a kind of embodiment of the utility model;
Fig. 3 is the side-looking structural representation of wind-driven generator among a kind of embodiment of the utility model.
Embodiment
Core of the present utility model provides a kind of wind-driven generator, and this generator has favorable cooling effect on the one hand, on the other hand compact conformation, in light weight, volume is little.
In order to make those skilled in the art understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2, Fig. 2 is the main TV structure schematic diagram of wind-driven generator among a kind of embodiment of the utility model.
In first kind of embodiment, wind-driven generator provided by the utility model comprises rotor core and stator core; As shown in Figure 2, rotor core is set in the rotating shaft, and rotor winding 13 is wound in rotor core, and stator core is assemblied in the outside of rotor core, and stator winding 14 is wound in stator core.
As shown in Figure 2, described generator also has external refrigeration air channel 5 and the inner cooling air channel that is interconnected; Need to prove that at this cooling air is come out by the gap between support 7 and the water jacket, this section wind path before the axial passage that enters 62 formation of rotor gusset is defined as the external refrigeration air channel; Circulation cooling circuit is defined as inner cooling air channel except the residual circuit in external refrigeration air channel.
As shown in Figure 2, described rotor core comprises a plurality of rotor cores unit 11, is provided with first radial passage 21 between two adjacent rotor core unit 11; Described stator core comprises a plurality of stator cores unit 12, is provided with second radial passage 22 between two adjacent stator core unit 12; Described inner cooling air channel comprises first radial passage 21 and second radial passage 22, and first radial passage 21 and second radial passage 22 are interconnected.
As shown in Figure 2, on the basis of above-mentioned prior art, the outer cover of stator core is equipped with cooling jacket, and cooling jacket is provided with the 3rd radial passage 23, and the 3rd radial passage 23 is communicated with second radial passage 22.
Cooling air has entered inner cooling air channel by external refrigeration air channel 2, and successively by first radial passage 21, second radial passage 22 and the 3rd radial passage 23, enter the cavity between support 5 and the cooling jacket, with cooling jacket generation heat exchange, conduct heat in the water jacket, and then be communicated with, thereby form the cooling circuit that circulates with external refrigeration air channel 5.Owing to all have first radial passage 21 between each rotor core unit 11, all has second radial passage 22 between each stator core unit 12, and each first radial passage 21 and each second radial passage 22 are corresponding one by one to be communicated with, motor radially has many cooling circuits, thereby enlarged markedly area of dissipation, thereby improved the cooling effect of generator.Simultaneously, the heat that rotor core produces is by above-mentioned two radial passages, and enters in the cavity between support 7 and the water jacket by the 3rd radial passage 23, and is transmitted in the water jacket by heat exchange; Stator core directly contacts with water jacket, thereby the heat that stator core produces is directly delivered in the water jacket, thereby has effectively improved cooling effectiveness.
In addition, another road of motor cooling air can be taken away the heat of stator winding 14 ends through the end of stator winding 14, directly enters the cavity between support 7 and the water jacket, by and water jacket between heat exchange, conduct heat among the water jacket.
Compared with prior art, generator provided by the utility model is provided with cooling circuit on the contrary diametrically because axial cooling circuit is not set, and has saved huge cooler simultaneously, thereby has reduced motor volume.
In the present embodiment; structure for cooling jacket does not limit; as long as cooling jacket has the gap; form described the 3rd radial passage 23; in order to be communicated with the cavity between second radial passage 22 and support 7 and the cooling jacket, the cooling jacket of this kind structure is all within protection range of the present utility model.
Need to prove; the technical scheme of present embodiment is adopting on the basis of air-cooled structure radially; protect a kind of structural design of cooling jacket emphatically, thus every employing water jacket cooling structure and radially the generator of air-cooled structure all within the protection range of present embodiment.
Please refer to Fig. 2 and Fig. 3, Fig. 3 is the side-looking structural representation of wind-driven generator among a kind of embodiment of the utility model.
In above-mentioned first kind of embodiment, can make further improvement to cooling jacket, thereby obtain second kind of embodiment of the present utility model.
In second kind of embodiment, as shown in Figure 2, described cooling jacket comprises that 31, one ring-type water jackets unit, a plurality of ring-type water jackets unit 31 is set in the outside of a stator core unit 12; Gap between adjacent two ring-type water jacket unit 31 forms 23, the three radial passages 23, described the 3rd radial passage and is communicated with second radial passage 22.
As shown in Figure 3, cooling jacket is provided with water inlet pipe 32 and outlet pipe 33, each ring-type water jacket unit 31 water inlet pipe 32 that inserts at one end in parallel, at the other end outlet pipe 33 that inserts in parallel, cooling water feeds in the water inlet pipe 32 earlier, parallel connection enters each ring-type water jacket unit 31 again, enters outlet pipe 33 after the heat of motor is taken away, thereby takes out of outside the motor.
As shown in Figure 2, has the 3rd radial passage 23 between each water jacket unit 31, and the 3rd radial passage 23 is communicated with second radial passage 22, the heat that each stator core unit 12 and each rotor core unit 11 distribute is by contiguous first radial passage 21 and second radial passage 22, again by the 3rd radial passage 23 between each water jacket unit 31, enter the cavity between water jacket and the support 7, and with water jacket generation heat exchange, last cooling water is taken away heat.In addition, another road of motor cooling air can be taken away the heat of stator winding 14 ends through the end of stator winding 14, directly enters the cavity between support 7 and the water jacket, by heat exchange with heat transferred among water jacket.
Please refer to Fig. 2, in above-mentioned second kind of embodiment, we can make further improvement to each ring-type water jacket unit 31.
Particularly, the cross sectional shape of ring-type water jacket unit 31 is a quadrangle, and the axial width of ring-type water jacket unit 31 equals the axial width of stator core unit 12 substantially.Other shapes are adopted in cross section with respect to ring-type water jacket unit 31, with with respect to the axial width of ring-type water jacket unit 31 structure less than the axial width of stator core unit 12, the structural design of present embodiment can further increase the heat exchange area of water jacket, thereby further improves the cooling effect of motor.
Please also refer to Fig. 2 and Fig. 3, on the basis of above-mentioned any embodiment, we can also make further improvement, thereby obtain the third embodiment of the present utility model.
In the third embodiment, the outside of described cooling jacket is provided with thermal component, and described thermal component can be radiating ribs 8, can be fin, can also be the thermal component of other types certainly.
Fig. 2 and thermal component shown in Figure 3 are radiating ribs 8, and as shown in Figure 3, the number of radiating ribs 8 is a plurality of, and is uniformly distributed on the circumferential side wall of water jacket; As shown in Figure 2, radiating ribs 8 extends axially along water jacket, and the axial length of radiating ribs 8 equals the axial length of water jacket substantially.
In the present embodiment, after the heat of each rotor core unit 11 and each stator core unit 12 enters cavity between water jacket and the support 7 by the 3rd radial passage 23, because water jacket is connected with a plurality of radiating ribs 8 in this cavity, thereby has obviously increased heat exchange area, has significantly improved the heat exchange effect.On the other hand, another road of motor cooling air can be through the end of stator winding 14, the heat of stator winding 14 ends is taken away, directly enter the cavity between support 7 and the water jacket, because water jacket is connected with a plurality of radiating ribs 8 in this cavity, equally obviously increase heat exchange area, significantly improved the heat exchange effect.
Please refer to Fig. 2, on the basis of above-mentioned any embodiment, we can also make further improvement, thereby obtain the 4th kind of embodiment of the present utility model.
Particularly, as shown in Figure 2, described inner cooling air channel also comprises axial ducts, and described axial ducts are divided into by barrier component 61 and are not communicated with first axial ducts 41 and second axial ducts 42 mutually; The external refrigeration air channel 5 in described generator left side is communicated with each first radial passage 21 in barrier component 61 left sides by first axial ducts 41; The external refrigeration air channel 5 on generator right side is communicated with each first radial passage 21 on barrier component 61 right sides by second axial ducts 42.
In the present embodiment, described axial ducts can form by following structure:
As shown in Figure 2, the outside of described alternator shaft is provided with the rotor gusset 62 that extends vertically, and the space between two adjacent rotor gussets 62 forms described axial ducts, and barrier component 61 is located between two adjacent described rotor gussets 62.
As shown in Figure 2, the two ends of motor are equipped with axial flow blower, the axial ducts that form between the rotor gusset 62 are by barrier component 61 separated into two parts, thereby be symmetrically formed two circulation cooling circuits at the two ends of motor, with respect to the structural design of a circulation cooling circuit in the prior art, obviously, the structural design of two circulation cooling circuits, can shorten the circulation path of heat, thereby improve the heat exchange efficiency with water jacket, and then improve the cooling effectiveness of motor.
Certainly, described axial ducts also can be located among the rotor core, particularly, the ventilation hole that extends is vertically all established in the inside of each rotor core unit 11, each described ventilation hole is connected to form described axial passage vertically, and in this structure, barrier component can be arranged in the ventilation hole of a rotor core unit, particularly, can form described barrier component by a rotor punching that ventilation hole is not set.The technique effect of this kind structure does not repeat them here to above-mentioned similar substantially.
More than a kind of generator provided by the utility model is described in detail.Used specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection range of the utility model claim.
Claims (8)
1. a wind-driven generator comprises rotor core and stator core, and described rotor core comprises a plurality of rotor cores unit (11), is provided with first radial passage (21) between adjacent two described rotor core unit (11); Described stator core comprises a plurality of stator cores unit (12), is provided with second radial passage (22) that is communicated with described first radial passage (21) between adjacent two described stator core unit (12); Described generator also has external refrigeration air channel (5) and the inner cooling air channel that is interconnected, and described inner cooling air channel comprises described first radial passage (21) and described second radial passage (22); It is characterized in that the outer cover of described stator core is equipped with cooling jacket, described cooling jacket is provided with the 3rd radial passage (23), and described the 3rd radial passage (23) is communicated with described second radial passage (22).
2. wind-driven generator as claimed in claim 1 is characterized in that, described cooling jacket comprises a plurality of ring-type water jackets unit (31), and a described ring-type water jacket unit (31) is set in the outside of a described stator core unit (12); Gap between adjacent two described ring-type water jacket unit (31) forms described the 3rd radial passage (23).
3. wind-driven generator as claimed in claim 2 is characterized in that, the cross sectional shape of described ring-type water jacket unit (31) is a quadrangle, and the axial width of described ring-type water jacket unit (31) equals the axial width of described stator core unit (12) substantially.
4. wind-driven generator as claimed in claim 1 is characterized in that the outside of described cooling jacket is provided with thermal component.
5. wind-driven generator as claimed in claim 4 is characterized in that, described thermal component is the radiating ribs (8) of extending vertically.
6. as each described wind-driven generator of claim 1 to 5, it is characterized in that, described inner cooling air channel also comprises axial ducts, and described axial ducts are divided into disconnected first axial ducts (41) and second axial ducts (42) mutually by barrier component (61); The external refrigeration air channel (5) in described generator left side is communicated with each described first radial passage (21) in described barrier component left side by described first axial ducts (41); The external refrigeration air channel (5) on described generator right side is communicated with each described first radial passage (21) on described barrier component right side by described second axial ducts (42).
7. wind-driven generator as claimed in claim 6, it is characterized in that, the outside of described alternator shaft is provided with the rotor gusset (62) that extends vertically, space between adjacent two rotor gussets (62) forms described axial ducts, and described barrier component (61) is located between adjacent two described rotor gussets (62).
8. wind-driven generator as claimed in claim 6 is characterized in that, the inside of each described rotor core unit (11) is equipped with the ventilation hole that extends vertically, and each described ventilation hole is connected to form described axial passage vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201130387U CN201690319U (en) | 2010-02-08 | 2010-02-08 | Wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201130387U CN201690319U (en) | 2010-02-08 | 2010-02-08 | Wind-driven generator |
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| CN201690319U true CN201690319U (en) | 2010-12-29 |
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| CN2010201130387U Expired - Fee Related CN201690319U (en) | 2010-02-08 | 2010-02-08 | Wind-driven generator |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103580383A (en) * | 2013-11-18 | 2014-02-12 | 沈阳工业大学 | Air-water-hybrid cooled high-speed permanent magnet motor with rotor under hybrid protection |
| CN104467285A (en) * | 2014-12-11 | 2015-03-25 | 北京百正创源科技有限公司 | Novel motor cooling system |
| CN106026450A (en) * | 2016-05-19 | 2016-10-12 | 哈尔滨理工大学 | Turbonator cooling system provided with water cooling stator and inner fan type rotor |
| CN108471195A (en) * | 2018-04-09 | 2018-08-31 | 西安盾安电气有限公司 | A kind of interior circulation cooling generator |
| CN108539896A (en) * | 2018-04-09 | 2018-09-14 | 西安盾安电气有限公司 | A kind of heat-pipe cooling type generator |
| CN108539929A (en) * | 2018-04-09 | 2018-09-14 | 西安盾安电气有限公司 | A kind of generator with heat pipe cooling device |
| CN110429725A (en) * | 2019-07-16 | 2019-11-08 | 无锡市亨达电机有限公司 | A kind of blocking motor |
| CN110518722A (en) * | 2019-07-17 | 2019-11-29 | 南京师范大学 | A kind of combined high-speed magneto cooling device |
| CN112208023A (en) * | 2020-11-30 | 2021-01-12 | 北京艾科美特新材料开发有限公司 | A multiple cooling system that cools down for inorganic organic composite preparation |
| CN112564340A (en) * | 2020-12-01 | 2021-03-26 | 湖南崇德科技股份有限公司 | Air-water cooling high-speed motor structure with middle ventilation |
-
2010
- 2010-02-08 CN CN2010201130387U patent/CN201690319U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103580383A (en) * | 2013-11-18 | 2014-02-12 | 沈阳工业大学 | Air-water-hybrid cooled high-speed permanent magnet motor with rotor under hybrid protection |
| CN104467285A (en) * | 2014-12-11 | 2015-03-25 | 北京百正创源科技有限公司 | Novel motor cooling system |
| CN106026450A (en) * | 2016-05-19 | 2016-10-12 | 哈尔滨理工大学 | Turbonator cooling system provided with water cooling stator and inner fan type rotor |
| CN108471195A (en) * | 2018-04-09 | 2018-08-31 | 西安盾安电气有限公司 | A kind of interior circulation cooling generator |
| CN108539896A (en) * | 2018-04-09 | 2018-09-14 | 西安盾安电气有限公司 | A kind of heat-pipe cooling type generator |
| CN108539929A (en) * | 2018-04-09 | 2018-09-14 | 西安盾安电气有限公司 | A kind of generator with heat pipe cooling device |
| CN110429725A (en) * | 2019-07-16 | 2019-11-08 | 无锡市亨达电机有限公司 | A kind of blocking motor |
| CN110518722A (en) * | 2019-07-17 | 2019-11-29 | 南京师范大学 | A kind of combined high-speed magneto cooling device |
| CN112208023A (en) * | 2020-11-30 | 2021-01-12 | 北京艾科美特新材料开发有限公司 | A multiple cooling system that cools down for inorganic organic composite preparation |
| CN112564340A (en) * | 2020-12-01 | 2021-03-26 | 湖南崇德科技股份有限公司 | Air-water cooling high-speed motor structure with middle ventilation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: 31 Zhangjiakou Wind Power Technology Co., Ltd. Assignor: Sanyi Electric Co., Ltd. Contract record no.: 2011990000371 Denomination of utility model: Wind power generator Granted publication date: 20101229 License type: Exclusive License Record date: 20110517 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20190208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |