CN219622816U - Natural air cooling and forced air cooling combined radiator structure - Google Patents
Natural air cooling and forced air cooling combined radiator structure Download PDFInfo
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- CN219622816U CN219622816U CN202223226862.5U CN202223226862U CN219622816U CN 219622816 U CN219622816 U CN 219622816U CN 202223226862 U CN202223226862 U CN 202223226862U CN 219622816 U CN219622816 U CN 219622816U
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- cooling
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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
Abstract
The natural air cooling and forced air cooling combined radiator structure has air radiator set in the windward side of the wind turbine generator set, and has increased cooling capacity compared with natural air cooling and lowered energy consumption compared with forced air cooling. The structure that is equipped with a plurality of fans in the forced air cooling structure has reduced the fan and has maintained the height, is favorable to overhauling and maintaining the fan, has reduced the space size that occupies at fan unit inner space, has reduced air radiator's electric power consumption, has practiced thrift the resource.
Description
Technical Field
The utility model belongs to the technical field of radiators, and particularly relates to a natural air cooling and forced air cooling combined radiator structure.
Background
The construction of a novel power system taking new energy as a main body is a necessary way for realizing the aim of double carbon in China, wind power generation is one of important components essential for energy development strategy and adjustment of power structure in China, and development of advanced thermal management technology is an important guarantee for long-term stable and reliable operation of wind turbines.
In the prior art, an external cooling radiating part of the wind turbine generator is mainly an air forced cooling radiator, namely a forced air cooling radiator, which is used for transferring heat generated by components such as a wind power converter of the wind turbine generator to fins through cooling water, and pressurizing by a fan to enable the cold air to forcedly take away the heat through the fins.
The radiator for forced air cooling of the wind turbine generator has the following defects:
the existing forced air cooling radiator for the wind turbine generator is installed in the wind turbine generator, the space in the wind turbine generator is small, and the installation, overhaul and maintenance of the forced air cooling radiator for the wind turbine generator are difficult under the condition;
the blower arranged at the top of the forced air cooling radiator is too high, which is inconvenient for maintenance work; the fan at the top of the forced air cooling radiator has high cost and high energy consumption.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a natural air cooling and forced air cooling combined radiator structure.
The utility model adopts the following technical scheme.
A natural air-cooled and forced air-cooled combined radiator structure comprising:
the device comprises a metal coil, a pump station, an air radiator, a first pipeline and a second pipeline, wherein the metal coil, the pump station, the air radiator, the first pipeline and the second pipeline are arranged on the outer wall of a cooled device of the wind turbine generator;
one end of the metal coil pipe is communicated with the upper part of the air radiator through a first pipeline, the other end of the metal coil pipe is communicated with the lower part of the air radiator through a second pipeline, and the metal coil pipe, the first pipeline, the air radiator and the second pipeline form a loop structure;
the pump station is arranged on the first pipeline, and the air radiator is arranged on the windward side of the top of the wind turbine generator.
Preferably, the outer wall of the air radiator is provided with metal fins.
Preferably, the air radiator is a ring column structure, the top of the ring column structure faces the windward side, a cavity is formed between the outer peripheral wall and the inner peripheral wall of the ring column structure, the first pipeline and the second pipeline are communicated with the cavity, and the cavity, the metal coil, the first pipeline and the second pipeline are filled with cooling liquid.
Preferably, the upper part of the air radiator is a natural air cooling structure, and the lower part of the air radiator is a forced air cooling structure;
a plurality of fans are arranged in the forced air cooling structure.
Preferably, the number of the fans is four, and the fans are symmetrically distributed on the left and right sides in the lower part of the air radiator and are separated by a separation plate.
Preferably, an expansion tank is further arranged on the first pipeline.
Preferably, a filter is arranged on the second pipeline.
Preferably, a first temperature pressure gauge is arranged on the section of the pipeline of the first pipeline between the expansion tank and the cooled device of the wind turbine generator;
a second temperature pressure gauge is arranged on the section of the pipeline of the first pipeline between the pump station and the air radiator;
and a third temperature pressure gauge and a fourth temperature pressure gauge are arranged on the section of the pipeline of the second pipeline between the filter and the cooled device of the wind turbine generator.
Preferably, the pump station is a main circulation pump.
Preferably, the cooled device of the wind turbine generator comprises a converter of the wind turbine generator, a frequency converter of the wind turbine generator or a transformer of the wind turbine generator.
Compared with the prior art, the air radiator is arranged on the windward side of the top of the wind turbine generator, and the structure of the air radiator combined by the natural air cooling structure and the forced air cooling structure is adopted, so that the cooling capacity is increased compared with full natural air cooling, and the energy consumption is reduced compared with full forced air cooling. The structure that the forced air cooling structure is provided with a plurality of fans reduces the maintenance height of the fans, is beneficial to overhauling and maintaining the fans, reduces the space occupied by the internal space of the fan unit, reduces the electric power consumption of the air radiator and saves resources; when the wind speed is higher, the generated energy of the wind turbine is higher, the generated heat of a cooled device of the wind turbine such as a converter is higher, the air quantity passing through the fins of the air radiator is also increased, and the cooling capacity is higher, so that the effect is higher; when the wind speed is smaller, the generated energy of the wind turbine is reduced, the generated heat of a cooled device of the wind turbine such as a converter is reduced, the air quantity passing through the radiator fin is reduced, the cooling capacity is reduced, the cooling fan in the air radiator is used for cooling and carrying out heat dissipation compensation, the balance of the cooling quantity and the generated heat is easier to realize, and the stable temperature control of the cooled device of the wind turbine is easier to realize. The metal fins can increase the heat exchange efficiency of the air radiator. The number of the fans is four, the fans are symmetrically distributed on the left side and the right side of the lower portion of the air radiator and are separated by the separation plate, and the structure of the separation plate can enable the air quantity entering the left side and the right side of the lower portion of the air radiator to be more uniform.
Drawings
FIG. 1 is a schematic diagram of a natural air cooling and forced air cooling combined radiator structure according to the present utility model;
fig. 2 is an internal schematic view of the air radiator according to the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
As shown in fig. 1, a natural air cooling and forced air cooling combined radiator structure of the present utility model includes:
the metal coil, the pump station, the air radiator 2, the first pipeline and the second pipeline are arranged on the outer wall of the cooled device 4 of the wind turbine generator;
one end of the metal coil pipe is communicated with the upper part of the air radiator 2 through a first pipeline, the other end of the metal coil pipe is communicated with the lower part of the air radiator 2 through a second pipeline, and the metal coil pipe, the first pipeline, the air radiator 2 and the second pipeline form a loop structure;
the pump station is arranged on the first pipeline, and the air radiator 2 is arranged on the windward side of the top of the wind turbine generator.
When the wind speed reaches the power generation wind speed, the wind turbine starts to generate power, the heating value of the wind turbine is in direct proportion to the generated power and the wind speed, and the larger the wind speed is, the larger the generated power of a cooled device of the wind turbine such as a converter is, the larger the generated heat is, and the larger the required cooling capacity is; the smaller the wind speed, the smaller the heating value of the cooled device, etc. of the wind turbine, such as a converter, etc., and the smaller the required cooling amount. According to the relation between the wind speed and the heating value, when the wind speed is higher, the generated energy of the wind turbine is higher, the heating value of a cooled device of the wind turbine such as a converter is higher, the air quantity passing through the fins of the air radiator 2 is also increased, and the cooling capacity is higher, so that the effect is higher; when the wind speed is smaller, the generated energy of the wind turbine is reduced, the generated heat of a cooled device and the like of the wind turbine such as a converter and the like is reduced, the air quantity passing through the radiator fins is reduced, the cooling capacity is reduced, and the cooling fan in the air radiator 2 is used for carrying out heat dissipation compensation, so that the balance of the cooling quantity and the generated heat is easier to realize.
In a preferred but non-limiting embodiment of the utility model, the outer wall of the air radiator 2 is provided with metal fins.
In this way, the metal fins can increase the heat exchange efficiency of the air radiator 2.
In a preferred but non-limiting embodiment of the present utility model, the air radiator 2 is a ring-column structure, the top of the ring-column structure faces the windward side, a cavity is formed between the outer peripheral wall and the inner peripheral wall of the ring-column structure, the first pipe and the second pipe are both communicated with the cavity, and the cavity, the metal coil, the first pipe and the second pipe are filled with cooling liquid.
The cooling effect of the cooled device of the wind turbine can be achieved by using the cooling liquid. The cooling liquid can be cooling water. The annular column structure is beneficial to air intake and exhaust.
In a preferred but non-limiting embodiment of the present utility model, the upper part of the air radiator 2 is a natural air cooling structure, and the lower part of the air radiator 2 is a forced air cooling structure;
a plurality of fans 10,11 are arranged in the forced air cooling structure.
Therefore, the air radiator 2 is arranged on the windward side of the top of the wind turbine generator, and the structure of the air radiator 2 combining the natural air cooling structure and the forced air cooling structure is adopted, so that the cooling capacity is increased compared with the full natural air cooling, and the energy consumption is reduced compared with the full forced air cooling. The structure that is equipped with a plurality of fans 10,11 in the forced air cooling structure has reduced the fan and has maintained the height, is favorable to overhauling and maintaining the fan, has reduced the space size that occupies at fan unit inner space, adopts natural forced air cooling structure or adopts natural air cooling heat dissipation, has reduced the electric power consumption of air radiator 2, has practiced thrift the resource.
In a preferred but non-limiting embodiment of the present utility model, as shown in fig. 2, the number of fans is four, and the fans are symmetrically distributed on the left and right sides of the lower portion of the air radiator 2 and are separated by a separation plate 12.
Specifically, the number of fans is four, and the fans are symmetrically distributed on the left and right sides in the lower portion of the air radiator 2 and are separated by the separation plate 12, and the separation plate can make the air quantity entering the left and right sides in the lower portion of the air radiator 2 more uniform.
In a preferred but non-limiting embodiment of the utility model, an expansion tank 5 is also provided on said first conduit.
In particular, the expansion tank 5 may keep the pressure of the first conduit constant and contain part of the cooling liquid.
In a preferred but non-limiting embodiment of the utility model, a filter 3 is arranged on said second conduit.
Specifically, the filter 3 can exert a filtering effect on the coolant.
In a preferred but non-limiting embodiment of the utility model, a first thermometer 9 is arranged on the section of the first conduit between the expansion tank 5 and the cooled device 4 of the wind turbine;
a second temperature pressure gauge 6 is arranged on the section of the pipeline of the first pipeline between the pump station and the air radiator 2;
a third temperature and pressure gauge 7 and a fourth temperature and pressure gauge 8 are arranged on the section of the second pipeline between the filter 3 and the cooled device 4 of the wind turbine.
In this way, the temperature and pressure of the cooling liquid on the pipe where it is located can be detected in real time by the first, second, third and fourth temperature-pressure gauges 9, 6, 7 and 8.
In a preferred but non-limiting embodiment of the utility model, the pump station is a main circulation pump 1.
Specifically, the main circulating pump is used for circulating the cooling liquid in the loop structure, so as to achieve the refrigeration effect on the cooled device 4 of the wind turbine.
In a preferred but non-limiting embodiment of the utility model, the cooled component 4 of the wind turbine comprises a converter of the wind turbine, a frequency converter of the wind turbine or a transformer of the wind turbine.
Specifically, a converter of the wind turbine, a frequency converter of the wind turbine or a transformer of the wind turbine is a main heating device of the wind turbine during power generation.
The working principle of the utility model is as follows:
starting the main circulating pump 1 and the fan, enabling the cooling liquid to flow out through an outlet of the main circulating pump 1, flowing through the air radiator 2, enabling the cooling liquid in the cavity of the air radiator to pass through a natural air cooling structure part at the upper part to obtain the cooling liquid after natural air cooling, enabling the cooling liquid to pass through a forced air cooling structure part at the lower part through the upper cavity to obtain the secondary cooling of forced air cooling of the fan, filtering the secondary cooling liquid through the filter 3, and then enabling the secondary cooling liquid to enter the cooled device 4 to exchange heat, taking heat out, and returning the heat to the main circulating pump 1 to form closed reciprocating circulation. The expansion tank 5 can keep the pressure of the pipeline constant and the cooling water is full; the first temperature pressure gauge 9, the second temperature pressure gauge 6, the third temperature pressure gauge 7 and the fourth temperature pressure gauge 8 are used for monitoring the temperature and the pressure of the corresponding positions of the pipelines; the fans 10 and 11 are used for accelerating air flow and enhancing the heat exchange effect between air and cooling liquid; the whole natural air cooling and forced air cooling combined radiator structure is cooperatively controlled to meet the requirement of a constant temperature part of a cooled device, and meanwhile, the radiator structure combined by natural air cooling and forced air cooling is convenient to maintain, reduces energy consumption, is convenient to maintain and the like, so that the natural air cooling and forced air cooling combined radiator structure is reliable, safe and stable to operate, and the problems of insufficient capacity of the complete natural air cooling, difficult maintenance of a fan of a radiator with a forced air cooling structure and overlarge power consumption are solved.
While the applicant has described and illustrated the embodiments of the present utility model in detail with reference to the drawings, it should be understood by those skilled in the art that the above embodiments are only preferred embodiments of the present utility model, and the detailed description is only for the purpose of helping the reader to better understand the spirit of the present utility model, and not to limit the scope of the present utility model, but any improvements or modifications based on the spirit of the present utility model should fall within the scope of the present utility model.
Claims (10)
1. A natural air-cooled and forced air-cooled combined radiator structure, comprising:
the device comprises a metal coil, a pump station, an air radiator, a first pipeline and a second pipeline, wherein the metal coil, the pump station, the air radiator, the first pipeline and the second pipeline are arranged on the outer wall of a cooled device of the wind turbine generator;
one end of the metal coil pipe is communicated with the upper part of the air radiator through a first pipeline, the other end of the metal coil pipe is communicated with the lower part of the air radiator through a second pipeline, and the metal coil pipe, the first pipeline, the air radiator and the second pipeline form a loop structure;
the pump station is arranged on the first pipeline, and the air radiator is arranged on the windward side of the top of the wind turbine generator.
2. The combined natural air-cooling and forced air-cooling radiator structure according to claim 1, wherein metal fins are provided on the outer wall of the air radiator.
3. The combined natural air cooling and forced air cooling radiator structure according to claim 1, wherein the air radiator is a ring column-shaped structure, a top of the ring column-shaped structure faces the windward side, a cavity is formed between an outer peripheral wall and an inner peripheral wall of the ring column-shaped structure, the first pipeline and the second pipeline are communicated with the cavity, and the cavity, the metal coil, the first pipeline and the second pipeline are filled with cooling liquid.
4. The combined natural air cooling and forced air cooling radiator structure according to claim 3, wherein the upper part of the air radiator is a natural air cooling structure, and the lower part of the air radiator is a forced air cooling structure;
a plurality of fans are arranged in the forced air cooling structure.
5. The combined natural air cooling and forced air cooling radiator structure according to claim 4, wherein the number of fans is four, and the fans are symmetrically distributed on the left and right sides of the lower portion of the air radiator and are separated by a partition plate.
6. The combination natural air-cooled and forced air-cooled radiator structure of claim 1, wherein the first duct is further provided with an expansion tank.
7. The combined natural air-cooled and forced air-cooled radiator structure according to claim 1, wherein a filter is provided on the second duct.
8. The natural air cooling and forced air cooling combined radiator structure according to claim 1, wherein a first temperature pressure gauge is arranged on the section of pipeline of the first pipeline between the expansion tank and the cooled device of the wind turbine generator;
a second temperature pressure gauge is arranged on the section of the pipeline of the first pipeline between the pump station and the air radiator;
and a third temperature pressure gauge and a fourth temperature pressure gauge are arranged on the section of the pipeline of the second pipeline between the filter and the cooled device of the wind turbine generator.
9. The combination natural air-cooled and forced air-cooled radiator structure of claim 1, wherein the pump station is a main circulation pump.
10. The natural air cooling and forced air cooling combined radiator structure according to claim 1, wherein the cooled device of the wind turbine generator includes a converter of the wind turbine generator, a frequency converter of the wind turbine generator, or a transformer of the wind turbine generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223226862.5U CN219622816U (en) | 2022-12-01 | 2022-12-01 | Natural air cooling and forced air cooling combined radiator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223226862.5U CN219622816U (en) | 2022-12-01 | 2022-12-01 | Natural air cooling and forced air cooling combined radiator structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219622816U true CN219622816U (en) | 2023-09-01 |
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ID=87796099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223226862.5U Active CN219622816U (en) | 2022-12-01 | 2022-12-01 | Natural air cooling and forced air cooling combined radiator structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219622816U (en) |
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2022
- 2022-12-01 CN CN202223226862.5U patent/CN219622816U/en active Active
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