CN211456929U - Air-air cooling system for double-fed generator - Google Patents
Air-air cooling system for double-fed generator Download PDFInfo
- Publication number
- CN211456929U CN211456929U CN202020343848.5U CN202020343848U CN211456929U CN 211456929 U CN211456929 U CN 211456929U CN 202020343848 U CN202020343848 U CN 202020343848U CN 211456929 U CN211456929 U CN 211456929U
- Authority
- CN
- China
- Prior art keywords
- air
- fan
- external circulation
- cooling system
- inner loop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 41
- 238000010586 diagram Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Abstract
The utility model provides an empty cooling system for doubly-fed generator, include: the box etc. outer circulating fan is installed to the front end of box, and the interior circulation air inlet through-hole has been seted up to the intermediate position of bottom half, and the first air-out through-hole of interior circulation and interior circulation second air-out through-hole have been seted up to the bottom half, and first inner circulating fan is installed to the left end of box, and the air outlet and the first air-out through-hole intercommunication of interior circulation of first inner circulating fan, second inner circulating fan are installed to the right-hand member of box, and the air outlet and the interior circulation second air-out through-hole intercommunication of second inner circulating fan. As above, the utility model discloses an empty cooling system for double-fed generator solves high-power double-fed aerogenerator among the prior art, and especially the generator spindle does not take the condition of cooling fan, and current empty cooling system is bulky, can't satisfy the problem of cooling demand already.
Description
Technical Field
The utility model relates to a cooling technology field especially relates to an empty cooling system that is used for double-fed generator.
Background
Ac excited generators are also known as doubly fed generators. The AC excitation generator adopts AC voltage excitation on the rotor side, so that the AC excitation generator has a flexible operation mode and has incomparable advantages compared with the traditional synchronous generator in the aspects of solving the problems of continuous power frequency overvoltage of a power station, variable-speed constant-frequency power generation, speed regulation of a motor-generator set of a pumped storage power station and the like. With the development of the doubly-fed generator and the improvement of power, particularly under the condition that a main shaft of the generator is not provided with a cooling fan, an existing air-air cooling system cannot meet the cooling requirement, and the air-air cooling system has the advantages of being simple in structure and maintenance compared with an air-water cooling system.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcomings of the prior art, an object of the present invention is to provide an air-to-air cooling system for a doubly-fed generator, which is used for solving the problem that the cooling requirement cannot be satisfied due to the large volume of the existing air-to-air cooling system in the prior art when a high-power doubly-fed wind generator, especially a generator main shaft, does not have a cooling fan.
To achieve the above and other related objects, the present invention provides an air-to-air cooling system for a doubly-fed generator, comprising: a box body, a heat exchange core body, an external circulation air inlet channel, an external circulation air outlet channel, an external circulation fan, a first internal circulation fan and a second internal circulation fan,
the heat exchange core body, the external circulation air inlet channel and the external circulation air outlet channel are all arranged inside the box body, the external circulation fan is installed at the front end of the box body, the air inlet of the external circulation fan is located outside the box body, the air outlet of the external circulation fan is communicated with one end of the external circulation air inlet channel, the other end of the external circulation air inlet channel is communicated with the inside of the heat exchange core body, one end of the external circulation air outlet channel is communicated with the inside of the heat exchange core body, and the other end of the external circulation air outlet channel is communicated with the rear end of the box body;
the air inlet through-hole of inner loop has been seted up to the intermediate position of bottom half, the bottom half has been seted up near left end department and has been seted up the first air-out through-hole of inner loop, the bottom half is close to right-hand member department and has been seted up the second air-out through-hole of inner loop, install the left end of box first inner loop fan, the air intake of first inner loop fan is located in the box, the air outlet of first inner loop fan with the first air-out through-hole intercommunication of inner loop, install the right-hand member of box the second inner loop fan, the air intake of second inner loop fan is located the box, the air outlet of second inner loop fan with inner loop second air-out through-hole intercommunication.
As an optimal technical scheme, the bottom of the box body is provided with the base, the device is conveniently butted with an upper open air port of the double-fed generator through the base, namely, the internal circulation air inlet through hole, the internal circulation first air outlet through hole and the internal circulation second air outlet through hole are conveniently butted with the upper open air port, and circulation of internal circulation air is realized.
As a preferred technical scheme, the number of the external circulation fans is two.
As a preferable technical scheme, two first internal circulation fans are arranged.
As a preferable technical scheme, two second internal circulation fans are arranged.
As above, the utility model relates to an empty cooling system for doubly-fed generator, the butt joint of the mouth is opened wide on the upper portion of internal circulation air inlet through-hole, the first air-out through-hole of internal circulation and internal circulation second air-out through-hole and doubly-fed generator, and the outside cold air of outer circulating fan covers the cabin inhales the inside of heat transfer core. The hot air in the double-fed generator is sucked into the heat exchange core by the first internal circulation fan and the second internal circulation fan, and is subjected to heat exchange with cold air sucked into the heat exchange core from the outside of the cabin cover, the hot air is cooled, the temperature of the cold air is raised, the heated cold air is discharged out of the cabin cover through the external circulation air outlet channel, the cooled hot air is blown into the double-fed generator from the two positions of the first air outlet through hole and the second air outlet through hole of the internal circulation through the first internal circulation fan and the second internal circulation fan, and the driving end and the non-driving end of the double-fed generator are cooled simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of an air-to-air cooling system for a doubly-fed generator disclosed in an embodiment of the present invention;
fig. 2 is a schematic diagram showing an internal structure of an air-to-air cooling system for a doubly-fed generator disclosed in an embodiment of the present invention;
fig. 3 shows a front view of an air-to-air cooling system for a doubly-fed generator disclosed in an embodiment of the present invention;
fig. 4 shows a left side view of an air-to-air cooling system for a doubly-fed generator as disclosed in an embodiment of the present invention;
fig. 5 shows an internal circulation airflow flow diagram of an air-to-air cooling system for a doubly-fed generator disclosed in an embodiment of the present invention;
fig. 6 shows an external circulation airflow flow diagram of an air-to-air cooling system for a doubly-fed generator disclosed in an embodiment of the present invention;
wherein the reference numerals are specified as follows: 1. an external circulation fan; 2. an external circulation air inlet duct; 3. an external circulation air outlet channel; 4. a heat exchange core body; 5. a first internal circulation fan; 6. a second internal circulation fan; 7. a box body; 8. a base; 9. a doubly-fed generator.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 6. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1 to 6, the present invention provides an air-to-air cooling system for a doubly-fed generator, including: the heat exchange core body 4, the external circulation air inlet duct 2, the external circulation air outlet duct 3, the external circulation fan 1, the first internal circulation fan 5 and the second internal circulation fan 6 are arranged in the box body 7, the heat exchange core body 4, the external circulation air inlet duct 2 and the external circulation air outlet duct 3 are all arranged in the box body 7, the external circulation fan 1 is installed at the front end of the box body 7, the air inlet of the external circulation fan 1 is located outside the box body 7, the air outlet of the external circulation fan 1 is communicated with one end of the external circulation air inlet duct 2, the other end of the external circulation air inlet duct 2 is communicated with the inside of the heat exchange core body 4, one end of the external circulation air outlet duct 3 is communicated with the inside of the heat exchange core body 4, and the other end of the external circulation air; the intermediate position of box 7 bottom has seted up the inner loop air inlet through-hole, the first air-out through-hole of inner loop has been seted up to box 7 bottom near left end department, box 7 bottom is close to right-hand member department and has seted up inner loop second air-out through-hole, first inner loop fan 5 is installed to the left end of box 7, the air intake of first inner loop fan 5 is located box 7, the first air-out through-hole intercommunication of air outlet and inner loop of first inner loop fan 5, second inner loop fan 6 is installed to the right-hand member of box 7, the air intake of second inner loop fan 6 is located box 7, the air outlet and the second air-out through-hole intercommunication of inner loop of second inner loop fan 6.
The air-air cooling system for the double-fed generator provided by the embodiment has the advantages that the base 8 is arranged at the bottom of the box body 7, the device is conveniently butted with the upper portion of the double-fed generator 9 through the base 8, namely, the inner circulation air inlet through hole, the inner circulation first air outlet through hole and the inner circulation second air outlet through hole are conveniently butted with the upper portion open air port, and circulation of inner circulation air is realized.
The air-air cooling system for the double-fed generator provided by the embodiment has the advantages that the number of the outer circulating fans 1 is two, and the efficiency of heat exchange of the box 7 when cold air enters the box 7 is improved by arranging the two outer circulating fans 1.
According to the air-air cooling system for the double-fed generator, the number of the first internal circulation fans 5 is two, and the circulation efficiency of air in the double-fed generator 9 is improved.
According to the air-air cooling system for the doubly-fed generator, the number of the second internal circulation fans 6 is two, and the circulation efficiency of air in the doubly-fed generator 9 is improved.
In a specific use: an air inlet of the outer circulation fan 1 is communicated with an air inlet of the cabin cover, the outer circulation air outlet channel 3 is communicated with an air outlet of the cabin cover, the inner circulation air inlet through hole, the inner circulation first air outlet through hole and the inner circulation second air outlet through hole are in butt joint with an upper opening of the double-fed generator 9, and the outer circulation fan 1 sucks cold air outside the cabin cover into the heat exchange core 4. The hot air in the doubly-fed generator 9 is sucked into the heat exchange core 4 by the first internal circulation fan 5 and the second internal circulation fan 6, and is subjected to heat exchange with the cold air sucked into the heat exchange core 4 from the outside of the cabin cover, the hot air is cooled, the temperature of the cold air is raised, the cold air after being raised is discharged out of the cabin cover through the external circulation air outlet channel 3, the hot air after being cooled is blown into the doubly-fed generator 9 from two positions of the first air outlet through hole and the second air outlet through hole of the internal circulation through the first internal circulation fan 5 and the second internal circulation fan 6, namely, the driving end and the non-driving end of the doubly-fed generator 9 are cooled simultaneously, and the cooling of the doubly-fed generator 9 is realized by the circulation.
To sum up, the utility model relates to an empty cooling system for double-fed generator solves high-power double-fed generator among the prior art, and especially the generator spindle does not take the condition of cooling fan, and current empty cooling system is because of the too big problem that can't satisfy the cooling demand of volume, and reasonable in design is suitable for production and popularization and application. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. An air-to-air cooling system for a doubly-fed generator, comprising: a box body, a heat exchange core body, an external circulation air inlet channel, an external circulation air outlet channel, an external circulation fan, a first internal circulation fan and a second internal circulation fan,
the heat exchange core body, the external circulation air inlet channel and the external circulation air outlet channel are all arranged inside the box body, the external circulation fan is installed at the front end of the box body, the air inlet of the external circulation fan is located outside the box body, the air outlet of the external circulation fan is communicated with one end of the external circulation air inlet channel, the other end of the external circulation air inlet channel is communicated with the inside of the heat exchange core body, one end of the external circulation air outlet channel is communicated with the inside of the heat exchange core body, and the other end of the external circulation air outlet channel is communicated with the rear end of the box body;
the air inlet through-hole of inner loop has been seted up to the intermediate position of bottom half, the bottom half has been seted up near left end department and has been seted up the first air-out through-hole of inner loop, the bottom half is close to right-hand member department and has been seted up the second air-out through-hole of inner loop, install the left end of box first inner loop fan, the air intake of first inner loop fan is located in the box, the air outlet of first inner loop fan with the first air-out through-hole intercommunication of inner loop, install the right-hand member of box the second inner loop fan, the air intake of second inner loop fan is located the box, the air outlet of second inner loop fan with inner loop second air-out through-hole intercommunication.
2. The air-to-air cooling system for the doubly-fed generator of claim 1, wherein the bottom of the box body is provided with a base.
3. The air-to-air cooling system for the doubly-fed generator of claim 1, wherein there are two external circulation fans.
4. The air-to-air cooling system for the doubly-fed generator of claim 1, wherein there are two of said first internal circulation fans.
5. The air-to-air cooling system for doubly-fed generators of claim 1 wherein there are two of said second internal circulation fans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020343848.5U CN211456929U (en) | 2020-03-18 | 2020-03-18 | Air-air cooling system for double-fed generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020343848.5U CN211456929U (en) | 2020-03-18 | 2020-03-18 | Air-air cooling system for double-fed generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211456929U true CN211456929U (en) | 2020-09-08 |
Family
ID=72299998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020343848.5U Active CN211456929U (en) | 2020-03-18 | 2020-03-18 | Air-air cooling system for double-fed generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211456929U (en) |
-
2020
- 2020-03-18 CN CN202020343848.5U patent/CN211456929U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101350543B (en) | Low-temperature lifting wind power generator | |
| CN210404992U (en) | Ventilation and heat dissipation system of wind driven generator | |
| CN211456929U (en) | Air-air cooling system for double-fed generator | |
| CN201252447Y (en) | Air-to-air cooler for motor | |
| CN209310574U (en) | A kind of direct-drive permanent magnet wind power generator hollow cooler | |
| CN101442238B (en) | Hollow air cooler for motor | |
| CN113497523A (en) | Air-air cooling system for double-fed generator | |
| CN206503678U (en) | A kind of engine rooms of wind power generators air inducing heat abstractor | |
| CN214755962U (en) | 12MW semi-direct-drive permanent magnet wind driven generator cooling system | |
| CN206164292U (en) | Electric motor car is with safe stable -type motor | |
| CN209641482U (en) | A kind of novel transformer heat dissipation tank | |
| CN201252446Y (en) | Wind power generator with low temperature rise | |
| CN207691614U (en) | A kind of novel motor forced ventilation cooler construction | |
| CN209119949U (en) | A kind of wind-driven generator of novel cooling manner | |
| CN208718834U (en) | Outdoor machine of air-conditioner power generator | |
| CN207353993U (en) | A kind of small-size wind power-generating closed permanent magnet generator | |
| CN208797415U (en) | A kind of elevator emergency power cabinet with excellent heat dispersion performance | |
| CN206432844U (en) | One kind is used for rotor winding formula motor ventilation and cooling structure | |
| CN206917809U (en) | A kind of wind-driven generator cooling fan | |
| CN217720920U (en) | Double-wind-path straight-row wind driven generator convenient to maintain | |
| CN205330893U (en) | Megawatt level inner rotor directly drives interior circulative cooling system of permanent magnet wind power electricity generation motor | |
| CN205657548U (en) | High -efficient economizer of high -voltage motor | |
| CN218293761U (en) | Aerogenerator heat transfer device who possesses filtering capability | |
| CN211575834U (en) | Discharge port cooling device of drying roller and drying roller | |
| CN202940697U (en) | Novel air water cooler used for wind power generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |