CN213175941U - Centralized water cooling system of wind generating set - Google Patents
Centralized water cooling system of wind generating set Download PDFInfo
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- CN213175941U CN213175941U CN202021098223.3U CN202021098223U CN213175941U CN 213175941 U CN213175941 U CN 213175941U CN 202021098223 U CN202021098223 U CN 202021098223U CN 213175941 U CN213175941 U CN 213175941U
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
A centralized water cooling system of a wind generating set comprises a water pump set module, a generator, a gear box, an oil-water heat exchanger, a radiator and a water cooling circulation pipeline; the water pump set module, the generator, the gear box, the oil-water heat exchanger and the radiator are sequentially connected through a water cooling circulation pipeline, and cooling liquid is arranged in the water cooling pipeline; the water pump set module comprises a water pump and a motor and is a vertical circulating water pump, the water pump set module conveys cooling liquid to the generator, the cooling liquid cools the generator and then enters an oil-water heat exchanger in a lubricating system of the gear box, then the lubricating oil in the gear box is cooled, and the cooling liquid after being heated twice enters a radiator and is cooled by natural wind. The water cooling system designs two independent cooling systems into one set of cooling system, and utilizes natural wind to dissipate heat of the water/wind cooler, thereby effectively reducing energy consumption, noise and production cost of the cooling system.
Description
Technical Field
The utility model belongs to the technical field of wind power generation, concretely relates to centralized water cooling system of wind generating set.
Background
With the continuous supply of fan power, the requirements of fan gear boxes and generators on heat dissipation systems are also continuously increased. The current mainstream wind generating set gear box and generator heat dissipation scheme is as follows: the gear box and the generator are respectively provided with a lubricating oil heat dissipation system and a water cooling system, and two independent heat dissipation systems (consisting of a pump station, a pipeline and a radiator). Such a solution has drawbacks including: the two independent heat dissipation systems consume a large amount of electric energy, and the self-power consumption of the wind generating set is greatly increased; a plurality of fans generate huge noise when working, and noise pollution can be formed; the cost of the wind driven generator is increased by matching two independent cooling systems, matching circuits and fixing tools.
With the utility model discloses close prior art has: a cooling system for a gear box of a wind driven generator (patent number: CN201822157743.6) is provided, the cooling effect of lubricating oil is enhanced by an oil-water air cooling mode, and the cooling effect is greatly improved by a cooling treatment mode of cooling liquid. But this item just dispels the heat to gear box lubricating oil, and its radiator has adopted forced air cooling's design, has increased the energy consumption and the noise of cooling system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a centralized water cooling system of wind generating set makes it have functions such as energy-conservation, noise are little, small.
In order to achieve the purpose, the utility model provides a centralized water cooling system of a wind generating set, which comprises a water pump set module, a generator, a gear box, an oil-water heat exchanger, a radiator and a water cooling circulation pipeline;
the water pump set module, the generator, the gear box, the oil-water heat exchanger and the radiator are sequentially connected through a water cooling circulation pipeline, and cooling liquid is arranged in the water cooling pipeline;
the water pump set module comprises a water pump and a motor and is a vertical circulating water pump, the water pump set module conveys cooling liquid to the generator, the cooling liquid cools the generator and then enters an oil-water heat exchanger in a lubricating system of the gear box, then the lubricating oil in the gear box is cooled, and the cooling liquid after being heated twice enters a radiator and is cooled by natural wind.
Further, the water pump set module further comprises an expansion tank, and the expansion tank is arranged at the outlet of the water pump; and nitrogen is pre-filled in the expansion tank to maintain the outlet pressure of the water pump to be stable.
Further, the expansion tank includes a safety valve provided at an outlet of the water pump to open or close the expansion tank according to a pressure change.
Further, the water pump set module further comprises an exhaust valve which is arranged at the outlet of the water pump, and the exhaust valve is opened to exhaust air when air exists in the water cooling system.
Furthermore, the water pump group module further comprises a thermal resistor 2 × PT100 arranged at the outlet of the water pump to detect the temperature of the cooling liquid at the outlet of the water pump.
Furthermore, the water pump group module further comprises a pressure gauge which is arranged at the outlet of the water pump and used for detecting the pressure value of the outlet of the water pump.
Furthermore, the water pump set module also comprises a pressure switch which is arranged at the outlet of the water pump and outputs a low-pressure alarm signal in due time according to the pressure value at the outlet of the water pump.
Furthermore, the water pump group module also comprises a water filling ball valve which is arranged at the outlet of the water pump, the system is normally closed when in normal work, and the ball valve is opened when the system needs to be filled with cooling liquid and is connected to external power equipment to add the cooling liquid into the water cooling circulation pipeline.
Furthermore, the water cooling system also comprises a pressure measuring joint which is arranged at the position of a cooling liquid inlet and outlet of the water pump and used for measuring the pressure value of inlet and outlet water of the water cooling system.
Furthermore, the water cooling system also comprises a safety valve drain pipe which is arranged in the water cooling circulation pipeline, and when the pressure in the water cooling circulation pipeline exceeds the set value of the safety valve, the safety valve acts to enable the cooling liquid to flow out of the drain pipe.
To sum up, the utility model provides a centralized water cooling system of a wind generating set, which comprises a water pump set module, a generator, a gear box, an oil-water heat exchanger, a radiator and a water cooling circulation pipeline; the water pump set module, the generator, the gear box, the oil-water heat exchanger and the radiator are sequentially connected through a water cooling circulation pipeline, and cooling liquid is arranged in the water cooling pipeline; the water pump set module comprises a water pump and a motor and is a vertical circulating water pump, the water pump set module conveys cooling liquid to the generator, the cooling liquid cools the generator and then enters an oil-water heat exchanger in a lubricating system of the gear box, then the lubricating oil in the gear box is cooled, and the cooling liquid after being heated twice enters a radiator and is cooled by natural wind.
The utility model has the advantages of: the utility model discloses based on centralized design scheme, the energy consumption that the scheme that has solved current megawatt fan generator cooling system and gear box lubricating oil cooling system and designed alone exists is high, the noise is big, defect with high costs. Two independent cooling systems are designed into a set of cooling system, and natural wind is utilized to dissipate heat of the water/wind cooler, so that the energy consumption, noise and production cost of the cooling system are effectively reduced.
Drawings
Fig. 1 is a schematic structural diagram of a centralized water cooling system of a wind turbine generator system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a water pump unit module in a centralized water cooling system of a wind turbine generator system according to an embodiment of the present invention.
Reference numerals: the system comprises a water pump set module 1, a generator 2, a gear box 3, an oil-water heat exchanger 4, a radiator 5, a water pump 6, a thermal resistor 7, an expansion tank 8, a water filling ball valve 9, a safety valve 10, a pressure switch 11, a pressure gauge 12 and an exhaust valve 13.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The utility model provides a centralized water cooling system of wind generating set, as shown in figure 1, including water pump assembly module 1, generator 2, gear box 3, water oil heat exchanger 4, radiator 5 and water cooling circulation pipeline. The water pump set module, the generator, the gear box, the oil-water heat exchanger and the radiator are sequentially connected through a water cooling circulation pipeline, and cooling liquid is arranged in the water cooling pipeline; the water pump set module comprises a water pump 6 and a motor (not shown in the figure), and is a vertical circulating water pump. In the running process of the fan, the water pump set module provides power, is a power device of the whole water cooling system, and conveys cooling liquid to the generator, the cooling liquid cools the generator and then enters the oil-water heat exchanger in the lubricating system of the gear box, then the lubricating oil in the gear box is cooled, the cooling liquid after being heated twice enters the radiator and is cooled by natural air, so that the temperature of the cooling liquid in the radiator is reduced, and the stable running of the generator and the gear box is ensured.
As shown in fig. 2, the water cooling system also includes a plurality of components.
Further, the water pump set module also comprises an expansion tank 8, and the expansion tank is arranged at the outlet of the water pump; the expansion tank is pre-filled with nitrogen and acts as a diaphragm type accumulator. When the hydraulic pump works normally, hydraulic pressure is converted into elastic potential energy through the expansion tank and stored, and the stability of the pressure at the outlet of the water pump is maintained. When the circulating system needs a large flow instantly or the pump outlet fluctuates, the expansion tank releases the stored energy to ensure the stability of the system.
Further, the expansion tank includes a safety valve 10 provided at the outlet of the water pump to open or close the expansion tank according to a pressure change. When the pressure of the water cooling system exceeds a set value, the safety valve acts to maintain the stability of the system pressure.
Further, the water pump set module further comprises an exhaust valve 13 which is arranged at the outlet of the water pump, and when gas exists in the water cooling system, the exhaust valve is opened to exhaust the gas.
Furthermore, the water pump group module further comprises a thermal resistor 7, the type of which is 2 multiplied by PT100, and the thermal resistor is arranged at the outlet of the water pump and used for detecting the temperature of the cooling liquid at the outlet of the water pump.
Further, the water pump set module further comprises a pressure gauge 12 arranged at the outlet of the water pump and used for detecting the pressure value at the outlet of the water pump.
Furthermore, the water pump set module further comprises a pressure switch 11 which is arranged at the outlet of the water pump and outputs a low-pressure alarm signal in due time according to the pressure value at the outlet of the water pump. Specifically, when the pressure value is lower than 1bar, the pressure switch can output a low-pressure alarm signal through the action of the pressure switch.
Furthermore, the water pump group module also comprises a water filling ball valve 9 which is arranged at the outlet of the water pump, is normally closed when the system works normally, and is opened when the system needs to be filled with cooling liquid, and is connected to external power equipment to add the cooling liquid into the water cooling circulation pipeline.
Furthermore, the water cooling system further comprises pressure measuring connectors (not shown in the figure) arranged at the positions of the cooling liquid inlet and the cooling liquid outlet of the water pump, and the pressure values of the water inlet and the water outlet of the water cooling system are measured.
Further, the water cooling system further includes a safety valve drain pipe (not shown) disposed in the water cooling circulation line, and when the pressure in the water cooling circulation line exceeds a set value of the safety valve, the safety valve is actuated to allow the coolant to flow out of the drain pipe. In particular, the safety valve setting may be set to 4 bar.
To sum up, the utility model provides a centralized water cooling system of a wind generating set, which comprises a water pump set module, a generator, a gear box, an oil-water heat exchanger, a radiator and a water cooling circulation pipeline; the water pump set module, the generator, the gear box, the oil-water heat exchanger and the radiator are sequentially connected through a water cooling circulation pipeline, and cooling liquid is arranged in the water cooling pipeline; the water pump set module comprises a water pump and a motor and is a vertical circulating water pump, the water pump set module conveys cooling liquid to the generator, the cooling liquid cools the generator and then enters an oil-water heat exchanger in a lubricating system of the gear box, then the lubricating oil in the gear box is cooled, and the cooling liquid after being heated twice enters a radiator and is cooled by natural wind. The utility model discloses based on centralized design scheme, the energy consumption that the scheme that has solved current megawatt fan generator cooling system and gear box lubricating oil cooling system and designed alone exists is high, the noise is big, defect with high costs. Two independent cooling systems are designed into a set of cooling system, and natural wind is utilized to dissipate heat of the water/wind cooler, so that the energy consumption, noise and production cost of the cooling system are effectively reduced.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A centralized water cooling system of a wind generating set is characterized by comprising a water pump set module, a generator, a gear box, an oil-water heat exchanger, a radiator and a water cooling circulation pipeline;
the water pump module, the generator, the gear box, the oil-water heat exchanger and the radiator are sequentially connected through a water cooling circulation pipeline, and cooling liquid is arranged in the water cooling pipeline;
the water pump set module comprises a water pump and a motor, the water pump is a vertical circulating water pump, the water pump set module conveys cooling liquid to the generator, the cooling liquid cools the generator and then enters an oil-water heat exchanger in a lubricating system of the gear box, lubricating oil in the gear box is cooled, and the cooling liquid after being heated twice enters a radiator and is cooled by natural wind.
2. The centralized water cooling system of a wind generating set according to claim 1, wherein the water pump set module further comprises an expansion tank disposed at the water pump outlet; and nitrogen is pre-filled in the expansion tank to maintain the outlet pressure of the water pump to be stable.
3. The centralized water cooling system of a wind turbine generator system according to claim 2, wherein the expansion tank comprises a safety valve, the safety valve is arranged at the outlet of the water pump and opens or closes the expansion tank according to pressure changes.
4. The centralized water cooling system of a wind generating set according to any one of claims 1 to 3, wherein the water pump set module further comprises an exhaust valve disposed at the outlet of the water pump, and the exhaust valve is opened to exhaust gas when gas exists in the water cooling system.
5. The centralized water cooling system of a wind generating set according to claim 1, wherein the water pump set module further comprises a thermal resistor 2 x PT100 disposed at the outlet of the water pump for detecting the temperature of the coolant at the outlet of the water pump.
6. The centralized water cooling system of a wind generating set according to claim 1, wherein the water pump set module further comprises a pressure gauge disposed at the outlet of the water pump for detecting a pressure value at the outlet of the water pump.
7. The centralized water cooling system of a wind generating set according to claim 6, wherein the water pump set module further comprises a pressure switch, which is arranged at the outlet of the water pump and outputs a low-pressure alarm signal at the right moment according to the pressure value at the outlet of the water pump.
8. The centralized water cooling system of a wind generating set according to claim 1, wherein the water pump set module further comprises a water-filled ball valve, the water-filled ball valve is arranged at the outlet of the water pump, the system is normally closed during normal operation, the ball valve is opened when the system needs to be filled with cooling liquid, and the ball valve is connected to an external power device to add the cooling liquid into the water cooling circulation pipeline.
9. The centralized water cooling system of a wind generating set according to claim 1, further comprising pressure measuring connectors disposed at the inlet and outlet of the cooling liquid of the water pump for measuring the pressure value of the inlet and outlet water of the water cooling system.
10. The centralized water cooling system of a wind generating set according to claim 1, further comprising a safety valve drain pipe disposed in the water cooling circulation line, wherein when the pressure in the water cooling circulation line exceeds a set value of the safety valve, the safety valve is actuated to allow the coolant to flow out of the drain pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021098223.3U CN213175941U (en) | 2020-06-15 | 2020-06-15 | Centralized water cooling system of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021098223.3U CN213175941U (en) | 2020-06-15 | 2020-06-15 | Centralized water cooling system of wind generating set |
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| Publication Number | Publication Date |
|---|---|
| CN213175941U true CN213175941U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021098223.3U Active CN213175941U (en) | 2020-06-15 | 2020-06-15 | Centralized water cooling system of wind generating set |
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| CN (1) | CN213175941U (en) |
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2020
- 2020-06-15 CN CN202021098223.3U patent/CN213175941U/en active Active
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