CN210404992U - Ventilation and heat dissipation system of wind driven generator - Google Patents
Ventilation and heat dissipation system of wind driven generator Download PDFInfo
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- CN210404992U CN210404992U CN201920559466.3U CN201920559466U CN210404992U CN 210404992 U CN210404992 U CN 210404992U CN 201920559466 U CN201920559466 U CN 201920559466U CN 210404992 U CN210404992 U CN 210404992U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model relates to a aerogenerator technical field. The utility model relates to a ventilation cooling system of a wind driven generator, which comprises a shell, an internal cooling system and an external cooling system, wherein a centrifugal fan of the internal cooling system is fixedly connected with a generator shaft, a stator component and a generator box body are fixedly connected, a gap is reserved between the stator component and the generator box body to form a first air channel, a gap is reserved between the stator component and the rotor component to form a second air channel, the rotor component is fixedly connected with the generator shaft, and a gap is reserved between the rotor component and the generator shaft to form a third air channel; the external heat dissipation system comprises an air inlet pipeline and an air outlet pipeline, one end of the air inlet pipeline is connected with the shell, the other end of the air inlet pipeline is connected with the generator box body, one end of the air outlet pipeline is connected with the generator box body, and the other end of the air outlet pipeline is connected with the shell. The utility model discloses to present aerogenerator cooling system bulky, inefficiency, the inhomogeneous defect of heat dissipation has smallly, light in weight, and the cooling rate is fast, and the cooling is even, advantage that the cooling effect is good.
Description
Technical Field
The utility model relates to a aerogenerator technical field particularly relates to an aerogenerator ventilation cooling system.
Background
With the continuous development of wind power generation technology, the power capacity of a wind generating set is gradually increased, the length of blades is gradually increased, a tower barrel is gradually increased, and various control technologies are gradually improved.
The continuous increase of the power capacity of the wind generating set directly leads to the increase of the heat productivity of each component in the generating set, and how to effectively release the heat is a hot problem in the technical field of wind power generation.
At present, for many wind generating sets with high power capacity, cabinets at the tower bottom (such as a main control cabinet and a box transformer substation) and the like are mostly arranged in a cabin. Under this condition, the calorific capacity of each part in the cabin is showing the increase, for guaranteeing wind generating set's normal effective operation, must provide the cooling system who matches with it, and such cooling and heat dissipation mode need occupy very big cabin space, and because the cooling system who sets up at the generator outside is unfavorable for the quick even heat dissipation of generator, and can increase wind generating set's volume, is unfavorable for the reduce cost, also is unfavorable for reducing weight.
CN201510484986.9 wind generating set complete machine cooling system, its control method and wind generating set disclose the following technical scheme: this complete machine cooling system includes: the air inlet is arranged on the wall of the tower cylinder; the fan is arranged in the tower barrel and used for introducing outside air into the tower barrel through the air inlet; the air box is provided with an air inlet end which is opened downwards and an air outlet end which is opposite to the air inlet end, an air treatment system is arranged in the air box, the air treatment system isolates the air inlet end from the air outlet end, the air inlet end is connected with the air inlet through an air guide pipe, and the fan is arranged on the air outlet end. Compared with the prior art, the technical scheme has the advantages that the heat dissipation is not uniform, the local temperature is overhigh, and the use of the wind driven generator is adversely affected.
Therefore, a ventilation and heat dissipation system of a wind driven generator, which has the advantages of small volume, light weight, high cooling speed, uniform cooling and good cooling effect, is needed at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, a cooling speed is fast, and the cooling is even, aerogenerator ventilation cooling system that the cooling effect is good is provided, the utility model discloses a following technical scheme.
A wind turbine ventilation and heat dissipation system, comprising:
a housing: the internal heat dissipation system and the external heat dissipation system are both arranged in the shell;
an internal heat dissipation system: the internal heat dissipation system comprises a stator component, a rotor component, a generator shaft, a generator box body and a centrifugal fan, wherein the centrifugal fan is fixedly connected with the generator shaft, the stator component is fixedly connected with the generator box body, a gap is reserved between the stator component and the generator box body to form a first air channel, a gap is reserved between the stator component and the rotor component to form a second air channel, the rotor component is fixedly connected with the generator shaft, and a gap is reserved between the rotor component and the generator shaft to form a third air channel; the rotor part include a plurality of rotor core lamination that are parallel to each other, stator part include a plurality of stator core lamination that are parallel to each other, the rotor core lamination between be equipped with slot between the rotor core lamination section, the stator core lamination between be equipped with slot between the stator core lamination section, stator core lamination section between slot one end with the second wind channel link to each other, the stator core lamination section between the other end of slot with first wind channel link to each other, the rotor core lamination section between the one end of slot with the second wind channel link to each other, the rotor core lamination section between the other end of slot link to each other with the third wind channel.
An external heat dissipation system: the external heat dissipation system comprises an air inlet pipeline and an air outlet pipeline, one end of the air inlet pipeline is connected with the shell, the other end of the air inlet pipeline is connected with the generator box body, one end of the air outlet pipeline is connected with the generator box body, and the other end of the air outlet pipeline is connected with the shell.
The utility model discloses at first through form the space between each part in the generator, thereby three wind channels have been formed, under centrifugal fan's rotation, the intake stack draws cold air from the outside and gets into in the generator box, then the air is through three wind channels, reach centrifugal fan department after cooling down to the subassembly of flow through, and centrifugal fan and generator shaft fixed connection, centrifugal fan is rotatory under the drive of generator shaft, thereby need not adding the drive power supply who establishes centrifugal fan, thereby can the energy saving, the volume is reduced, under centrifugal fan's effect, the air that the temperature is high leaves the generator box through air-out pipeline, then outside discharging the shell. Because the effect in many wind channels the utility model discloses can evenly dispel the heat to each part of generator fast, and each wind channel has all used the gap between the generator assembly, can further reduce the utility model discloses cooling system's volume alleviates the utility model discloses a weight.
At the protection level IP54 of the existing mainstream wind driven generator, after heat exchange is carried out on a secondary cooling medium and a primary cooling medium in heat dissipation, heating bodies such as iron core laminations, windings and the like in the generator are cooled through the primary cooling medium. And the utility model discloses an introduce filterable air, carry out cooling to the generator via special design's inside wind channel. For traditional IP54 aerogenerator cooling system, the utility model discloses can be used for IP23 aerogenerator, the heat-sinking capability is stronger, is favorable to raising power under the same manufacturing cost to reduce wind generating set's degree electric cost, promote market competition.
The utility model discloses a leave slot between rotor core lamination section when installation rotor core lamination and stator core lamination between the rotor core lamination, the in-process that the air flowed in second wind channel and third wind channel this moment can get into the slot flow between rotor core lamination section to cool down to each parallel arrangement's rotor core lamination, and the air in first wind channel and the second wind channel of the same principle can get into the slot cooling that dispels the heat to the stator core lamination between the stator core lamination section, and this design can improve the utility model discloses a radiating efficiency.
Preferably, the wind power generator further comprises a first wind shield fixedly connected to the generator box body, the first wind shield is an annular rib plate, and the first wind shield is used for blocking one end, close to the air inlet pipeline, of the first air duct.
The utility model discloses a first deep bead, first deep bead is the annular, has covered the entry in first wind channel, the air by the suction generator this moment can only get into third wind channel and second wind channel, partly is discharged by the third wind channel, another part gets into and leaves after the second wind channel flows through again after the slot between the rotor core lamination section, still partly follow the second wind channel and leave through first wind channel after passing through slot between the stator core lamination section again to the velocity of flow of the air of slot between the section has been strengthened, thereby has improved the utility model discloses a radiating effect.
Preferably, the air conditioner further comprises a second air baffle which is an annular rib plate and is used for plugging one end, close to the air outlet pipeline, of the third air duct.
The utility model discloses having set up the second air baffle with, having blockked the air-out in third wind channel, the air in the third wind channel this moment can only follow the third wind channel and get into the second wind channel through slot between rotor core lamination section, because the second wind channel is narrower, a small part passes through the air-out in second wind channel, and another part is through slot from first wind channel air-out between stator core lamination section, has further strengthened the air flow rate of slot between the section, has strengthened the utility model discloses a radiating effect, and guaranteed the generator shaft simultaneously, the radiating effect of rotor part and stator part is comparatively even, local overheated condition can not appear.
Preferably, the wind power generation device further comprises a third wind shield, the third wind shield comprises a fixing portion and a wind guide portion, the wind guide portion is fixedly connected with the fixing portion, the fixing portion is fixedly connected to the generator box body, the fixing portion is an annular rib plate, the wind guide portion comprises a cylindrical portion and a contraction portion connected with the cylindrical portion, the contraction portion is an inward-bent arc surface, and an opening is formed in the contraction portion.
The utility model discloses a design of third wind deflector, can flow under the effect of third wind deflector when the air comes out from first and second wind channel, then discharge from the opening part of constriction to can flow to centrifugal fan comparatively intensively, then discharge the generator box, improved the utility model discloses a radiating effect, fixed part have blockked the air outlet in first wind channel, help preventing the hot-air backward flow, influence radiating effect.
Preferably, an opening of the constricted portion faces the centrifugal fan, and a second cylindrical portion is provided in the opening, the second cylindrical portion extending from the opening in the direction of the centrifugal fan.
The utility model discloses a design of second cylindric portion further concentrates the air current, prevents that the hot-air from breaking away from the position diffusion between third wind shield and the generator box to third wind shield and generator box to improve the radiating efficiency.
Preferably, the air inlet pipeline is provided with at least one air filtering device, and the air outlet pipeline is provided with at least one air filtering device.
The utility model discloses an add on intake stack and air-out pipeline and established in the tiny granule that air filter can block in the air gets into the generator, thereby improved the utility model discloses an environmental suitability improves the utility model discloses a life.
Preferably, the air filter device on the air inlet duct comprises a primary air filter device and a secondary air filter device, the primary air filter device is positioned on one side of the air inlet duct close to the outer shell, and the secondary air filter device is positioned on one side of the air inlet duct close to the generator box.
The utility model discloses a primary air filter equipment and a secondary air filter equipment, the air is further filtered in passing through secondary air filter equipment after primary air filter equipment earlier, and wherein primary air filter equipment adopts the first effect filter of market, and inferior effect air filter equipment adopts the well air cleaner of market, the utility model discloses a this technical scheme does not take impurity in the cooling air that can guarantee to get into the generator on the one hand, has guaranteed the cleanness in the generator box, prevents that the generator from damaging, and on the other hand can reduce air cleaner's maintenance number of times, reduces use cost.
Preferably, a wind pressure sensing device is arranged in the air filtering device which is closest to one side of the generator box on the air inlet pipeline.
The utility model discloses an installation wind pressure sensing device in air filter equipment can change through sensing device's registration in the use and detect out the condition whether the jam appears in outside cooling system to be convenient for maintain and clear up, improved the utility model discloses an environmental suitability.
Preferably, the joint of the air outlet pipeline and the shell is positioned at the top of the shell, an air exhaust device is arranged at the top of the shell, the air exhaust device is fixedly connected above the joint of the air outlet pipeline and the shell, and an air outlet is arranged on the side surface of the air exhaust device.
The utility model discloses a top exhaust device is because the export of air-out pipeline is located the shell top, thereby can play waterproofly and prevent that the particulate matter from getting into the air-out pipeline and producing the damage to the generator through the device. Improved the utility model discloses a security of use has also prevented that the air-out pipeline from taking place to block up thereby guaranteeing the radiating effect.
Preferably, the casing is provided with an annular baffle plate, the annular baffle plate is arranged in the exhaust device, and the joint of the air outlet pipeline and the casing is surrounded by the annular baffle plate.
The utility model discloses a this design has further strengthened the utility model discloses a waterproof ability prevents that water from getting into the utility model discloses an inside the generator.
The beneficial effects of the utility model reside in that: (1) the utility model has the advantages of small volume and light weight; (2) the utility model has fast cooling speed and uniform cooling; (3) the utility model has good environmental adaptability; (4) the utility model has the advantages of convenient maintenance and low cost.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of an internal heat dissipation system according to a first embodiment of the present invention;
fig. 3 is a schematic structural view of an internal heat dissipation system according to a second embodiment of the present invention;
FIG. 4 is a schematic view of the structure at A;
FIG. 5 is a schematic structural view of a third wind deflector;
Detailed Description
The present invention will be further explained with reference to the following embodiments.
Example 1
A ventilation and heat dissipation system for wind power generator as shown in fig. 1 and 2, comprising:
a wind turbine ventilation and heat dissipation system, comprising:
the shell 1: the internal heat dissipation system 2 and the external heat dissipation system 3 are both arranged in the shell 1;
internal heat dissipation system 2: the internal heat dissipation system 2 comprises a stator part 21, a rotor part 22, a generator shaft 23, a generator box 24 and a centrifugal fan 25, wherein the centrifugal fan 25 is fixedly connected with the generator shaft 23, the stator part 21 is fixedly connected with the generator box 24, a gap is reserved between the stator part 21 and the generator box 24 to form a first air duct 4, a gap is reserved between the stator part 21 and the rotor part 22 to form a second air duct 5, a rotor core is fixedly connected with the generator shaft 23, a gap is reserved between the rotor core and the generator shaft to form a third air duct 6, the rotor part 22 comprises 17 rotor core laminations 221 which are parallel to each other, the stator part comprises 17 stator core laminations 211 which are parallel to each other, a rotor core lamination section-to-section groove 222 is arranged between two adjacent rotor core laminations 221, a stator core lamination section-to-section groove 212 is arranged between two adjacent stator core laminations 211, one end of the stator core lamination section groove 212 is connected with the, the other end of the groove 212 between the laminated stator core segments is connected with the first air duct 4, one end of the groove 222 between the laminated rotor core segments is connected with the second air duct 5, the other end of the groove 222 between the laminated rotor core segments is connected with the third air duct 6, and the cross section surfaces of the first air duct, the second air duct and the third air duct are annular.
External heat dissipation system 3: the external heat dissipation system 3 comprises an air inlet pipeline 31 and an air outlet pipeline 32, wherein one end of the air inlet pipeline 31 is connected with the shell 1, the other end of the air inlet pipeline 31 is connected with the generator box body 24, one end of the air outlet pipeline 32 is connected with the generator box body 24, the connection position of the air outlet pipeline 32 and the generator box body 24 is positioned above the centrifugal fan 25, and the other end of the air outlet pipeline 32 is connected with the shell 1; an air filtering device 321 is arranged on the air outlet pipeline 32, and the air filtering device 321 is a primary air filtering device 321; a primary air filtering device 311 and a secondary air filtering device 312 are arranged on the air inlet pipeline 31, the primary air filtering device 311 adopts a commercially available primary-effect air filter, the secondary air filter adopts a commercially available intermediate-effect air filter, the primary air filtering device 311 is positioned on one side of the air inlet pipeline 31 close to the shell 1, and the secondary air filtering device 312 is positioned on one side of the air inlet pipeline 31 close to the generator box body 24; wherein, a wind pressure sensing device is arranged in the secondary air filtering device 312 and is arranged at the joint of one side of the secondary air filtering device 312 close to the generator box body 24 and the air outlet pipeline 32; the junction of the air outlet pipeline 32 and the shell 1 is positioned at the top of the shell 1, the top of the shell 1 is provided with the exhaust device 11, the exhaust device 11 is welded above the junction of the air outlet pipeline 32 and the shell 1, the side surface of the exhaust device 11 is provided with the air outlet 111, the rest three side surfaces and the top surface are closed, the shell is provided with the annular baffle plate 112, the annular baffle plate 112 is arranged in the exhaust device, and the junction of the air outlet pipeline and the shell is surrounded by the annular baffle plate.
In the using process, the external wind power drives the generator shaft 23 to rotate, the generator shaft 23 drives the centrifugal fan 25 to rotate, the centrifugal fan 25 promotes air flow, the speed of the centrifugal fan 25 depends on the rotating speed of the generator shaft 23, so the air flow rate is in direct proportion to the heat generation rate of the generator, the wind speed can be controlled without an external control system, at the moment, the air flows into the generator after being filtered by the two air filtering devices 321 through the air inlet pipeline 31 from the outside, then is divided into three streams, one stream enters the first wind channel 4, the other stream enters the second wind channel 5, the other stream enters the third wind channel 6, the gas entering the second wind channel 5 and the third wind channel 6 generates convection in the grooves 212 between the lamination sections of the stator core laminations and the grooves 222 between the lamination sections of the rotor core, the lamination 211 and the lamination 221 of the rotor core are cooled, and then the three streams of the wind all blow to the centrifugal, under the drive of the centrifugal fan 25, the hot air enters the air outlet pipeline 32 under the action of the upward movement tendency of the hot air and the two aspects of the centrifugal fan 25, so that the air outlet efficiency is high, the heat dissipation is faster, and then the hot air leaves the air outlet pipeline 32 after passing through the air filtering device 321 and is discharged from the side air outlet 111 of the air exhaust device 11.
Example 2
A ventilation and heat dissipation system for wind power generator as shown in fig. 1, 3 and 4, comprising:
a wind turbine ventilation and heat dissipation system, comprising:
the shell 1: the internal heat dissipation system 2 and the external heat dissipation system 3 are both arranged in the shell 1;
internal heat dissipation system 2: the internal heat dissipation system 2 comprises a stator part 21, a rotor part 22, a generator shaft 23, a generator box 24, a centrifugal fan 25, a first wind shield 26, a second wind shield 27, a third wind shield 28, the centrifugal fan 25 is fixedly connected with the generator shaft 23, the stator part 21 is fixedly connected with the generator box 24, a gap is reserved between the stator part 21 and the generator box 24 to form a first air duct 4, a gap is reserved between the stator part 21 and the rotor part 22 to form a second air duct 5, a rotor core is fixedly connected with the generator shaft 23, a gap is reserved between the rotor core and the generator shaft 23 to form a third air duct 6, the rotor part 22 comprises 17 rotor core laminations 221 which are parallel to each other, the stator part 21 comprises 17 stator core laminations 211 which are parallel to each other, a rotor core lamination inter-segment groove 222 is arranged between two adjacent rotor core laminations 221, and a stator core lamination inter-segment groove 212 is arranged between two adjacent stator core laminations 211, one end of a groove 212 between the laminated stator core sections is connected with a second air duct 5, the other end of the groove 212 between the laminated stator core sections is connected with a first air duct 4, one end of a groove 222 between the laminated rotor core sections is connected with the second air duct 5, the other end of the groove 222 between the laminated rotor core sections is connected with a third air duct 6, the groove 212 between the laminated stator core sections is communicated with the first air duct 4 and the second air duct 5, and the groove 222 between the laminated rotor core sections is communicated with the second air duct 5 and the third air duct 6; the wind power generator further comprises a first wind shield 26, the first wind shield 26 is fixedly connected to the generator box body 24, the first baffle is an annular rib plate, the first wind shield 26 is used for plugging one end, close to the air inlet pipeline 31, of the first air duct 4, the first baffle covers the inlet of the first air duct 4, the second wind shield 27 is an annular rib plate, the second wind shield 27 is used for plugging one end, close to the air outlet pipeline 32, of the third air duct 6, and the second wind shield 27 covers the outlet of the third air duct 6; the third wind deflector 28 includes a fixing portion 281 and a wind guiding portion 282, the wind guiding portion 282 and the fixing portion 281 are fixedly connected, the fixing portion 281 is fixedly connected to the generator box 24, the fixing portion 281 is an annular rib plate, at this time, an inlet of the first wind channel 4 is closed, an outlet of the third wind channel 6 is closed, the wind guiding portion 282 includes a cylindrical portion 2821 and a contraction portion 2822 connected to the cylindrical portion 2821, the contraction portion 2822 is an inwardly curved arc surface, the contraction portion 2822 is provided with an opening 2823, the opening 2823 of the contraction portion 2822 faces the centrifugal fan 25, the opening 2823 of the second cylindrical portion 2824 is provided with a second cylindrical portion 2824, the second cylindrical portion 2824 extends from the opening 2823 to the direction of the centrifugal fan 25, the cross-sectional surface of the first wind channel, the second wind channel, and the cross-sectional surface.
External heat dissipation system 3: the external heat dissipation system 3 comprises an air inlet pipeline 31 and an air outlet pipeline 32, wherein one end of the air inlet pipeline 31 is connected with the shell 1, the other end of the air inlet pipeline 31 is connected with the generator box body 24, one end of the air outlet pipeline 32 is connected with the generator box body 24, the connection position of the air outlet pipeline 32 and the generator box body 24 is positioned above the centrifugal fan 25, and the other end of the air outlet pipeline 32 is connected with the shell 1; an air filtering device 321 is arranged on the air outlet pipeline 32, and the air filtering device 321 is a primary air filter; a primary air filtering device 311 and a secondary air filtering device 312 are arranged on the air inlet pipeline 31, the primary air filtering device 311 adopts a commercially available primary-effect air filter, the secondary air filter adopts a commercially available intermediate-effect air filter, the primary air filtering device 311 is positioned on one side of the air inlet pipeline 31 close to the shell 1, and the secondary air filtering device 312 is positioned on one side of the air inlet pipeline 31 close to the generator box body 24; wherein, the secondary air filter device 312 is provided with a wind pressure sensing device 3121, the wind pressure sensing device is arranged at the connection position of one side of the secondary air filter device 312 close to the generator box body 24 and the air outlet pipeline 32; the junction of the air outlet pipeline 32 and the shell 1 is positioned at the top of the shell 1, the top of the shell 1 is provided with the air exhaust device 11, the air exhaust device 11 is welded above the junction of the air outlet pipeline 32 and the shell 1, the side surface of the air exhaust device 11 is provided with the air outlet 111, the rest three side surfaces and the top surface are closed, the shell is provided with the annular baffle plate 112, the annular baffle plate is arranged in the air exhaust device, and the junction of the air outlet pipeline and the shell is surrounded by the annular baffle plate.
In use, external wind power drives the generator shaft 23 to rotate, the generator shaft 23 drives the centrifugal fan 25 to rotate, the centrifugal fan 25 facilitates air flow, the speed of the centrifugal fan 25 depends on the rotation speed of the generator shaft 23, so that the air flow rate is proportional to the heat generation rate of the generator, and the wind speed can be controlled without an external control system, at this time, the air flows into the generator after being filtered by the two air filtering devices 321 through the air inlet pipe 31 from the outside, then enters the third wind channel 6 and the second wind channel 5, then enters the second wind channel 5 from the third wind channel 6 through the slots 222 between the lamination segments of the rotor core through the third wind channel 6 due to blocking, cools the lamination stacks 221 of the rotor core during the process of passing through the slots 222 between the lamination segments of the rotor core, then a part of the air blows out of the second wind channel 5 and blows towards the centrifugal fan 25 under the guiding action of the third baffle, the other part passes through the slots 212 between the laminated sections of the stator core, then enters the first air duct 4, then leaves from the first air duct 4, and then blows towards the centrifugal fan under the guiding action of the third baffle plate, under the driving of the centrifugal fan 25, hot air enters the air outlet pipeline 32 under the trend of upward movement of the hot air and the action of the centrifugal fan 25, so that the air outlet efficiency is high, the heat dissipation is faster, and then leaves the air outlet pipeline 32 after passing through an air filtering device 321 and is discharged from the side air outlet 111 of the air exhaust device 11.
Claims (10)
1. A ventilation and heat dissipation system for a wind driven generator, comprising:
a housing: the internal heat dissipation system and the external heat dissipation system are both arranged in the shell;
an internal heat dissipation system: the internal heat dissipation system comprises a stator component, a rotor component, a generator shaft, a generator box body and a centrifugal fan, wherein the centrifugal fan is fixedly connected with the generator shaft, the stator component is fixedly connected with the generator box body, a gap is reserved between the stator component and the generator box body to form a first air channel, a gap is reserved between the stator component and the rotor component to form a second air channel, the rotor component is fixedly connected with the generator shaft, and a gap is reserved between the rotor component and the generator shaft to form a third air channel; the rotor part comprises a plurality of rotor core laminations which are parallel to each other, the stator part comprises a plurality of stator core laminations which are parallel to each other, slots between sections of the rotor core laminations are arranged between the rotor core laminations, slots between sections of the stator core laminations are arranged between the stator core laminations, one end of each slot between sections of the stator core laminations is connected with the second air channel, the other end of each slot between sections of the stator core laminations is connected with the first air channel, one end of each slot between sections of the rotor core laminations is connected with the second air channel, and the other end of each slot between sections of the rotor core laminations is connected with the third air channel;
an external heat dissipation system: the external heat dissipation system comprises an air inlet pipeline and an air outlet pipeline, one end of the air inlet pipeline is connected with the shell, the other end of the air inlet pipeline is connected with the generator box body, one end of the air outlet pipeline is connected with the generator box body, and the other end of the air outlet pipeline is connected with the shell.
2. The ventilation and heat dissipation system of claim 1, wherein: the wind power generator is characterized by further comprising a first wind shield, the first wind shield is fixedly connected to the generator box body, the first wind shield is an annular rib plate, and the first wind shield covers one end, close to the air inlet pipeline, of the first air channel.
3. The ventilation and heat dissipation system of claim 2, wherein: the air outlet device is characterized by further comprising a second air baffle which is an annular rib plate and covers one end, close to the air outlet pipeline, of the third air channel.
4. The ventilation and heat dissipation system of claim 3, wherein: the wind-guiding part comprises a cylindrical part and a contraction part connected with the cylindrical part, the contraction part is an inward-bent cambered surface, and the contraction part is provided with an opening.
5. The ventilation and heat dissipation system of claim 4, wherein: the opening of the contraction part faces the centrifugal fan, and a second cylindrical part is arranged on the opening and extends from the opening to the direction of the centrifugal fan.
6. The ventilation and heat dissipation system of claim 1, wherein: the air inlet pipeline is provided with at least one air filtering device, and the air outlet pipeline is provided with at least one air filtering device.
7. The ventilation and heat dissipation system of claim 6, wherein: the air filtering device on the air inlet pipeline comprises a primary air filtering device and a secondary air filtering device, the primary air filtering device is positioned on one side, close to the shell, of the air inlet pipeline, and the secondary air filtering device is positioned on one side, close to the generator box body, of the air inlet pipeline.
8. The ventilation and heat dissipation system of the wind driven generator as claimed in claim 6 or 7, wherein: and a wind pressure sensing device is arranged in the air filtering device which is closest to one side of the generator box on the air inlet pipeline.
9. The ventilation and heat dissipation system of claim 1, wherein: the air outlet pipeline is connected with the shell at the top of the shell, an air exhaust device is arranged at the top of the shell, the air exhaust device is fixedly connected above the connection part of the air outlet pipeline and the shell, and an air outlet is formed in the side face of the air exhaust device.
10. The ventilation and heat dissipation system of claim 9, wherein: the air exhaust device is characterized in that the shell is provided with an annular baffle plate, the annular baffle plate is arranged in the air exhaust device, and the joint of the air outlet pipeline and the shell is surrounded by the annular baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920559466.3U CN210404992U (en) | 2019-04-23 | 2019-04-23 | Ventilation and heat dissipation system of wind driven generator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920559466.3U CN210404992U (en) | 2019-04-23 | 2019-04-23 | Ventilation and heat dissipation system of wind driven generator |
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| CN210404992U true CN210404992U (en) | 2020-04-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865383A (en) * | 2021-02-05 | 2021-05-28 | 郑重 | Asynchronous motor with internal heat dissipation function |
| CN113708548A (en) * | 2021-09-06 | 2021-11-26 | 华能通辽风力发电有限公司 | Air-cooled generator |
| CN113898542A (en) * | 2021-09-27 | 2022-01-07 | 国网浙江省电力有限公司磐安县供电公司 | Heat dissipation device for wind power generator |
-
2019
- 2019-04-23 CN CN201920559466.3U patent/CN210404992U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865383A (en) * | 2021-02-05 | 2021-05-28 | 郑重 | Asynchronous motor with internal heat dissipation function |
| CN113708548A (en) * | 2021-09-06 | 2021-11-26 | 华能通辽风力发电有限公司 | Air-cooled generator |
| CN113708548B (en) * | 2021-09-06 | 2023-12-08 | 华能通辽风力发电有限公司 | Air-cooled generator |
| CN113898542A (en) * | 2021-09-27 | 2022-01-07 | 国网浙江省电力有限公司磐安县供电公司 | Heat dissipation device for wind power generator |
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