CN213776318U - A water cooling device for fan gear box - Google Patents
A water cooling device for fan gear box Download PDFInfo
- Publication number
- CN213776318U CN213776318U CN202022651946.8U CN202022651946U CN213776318U CN 213776318 U CN213776318 U CN 213776318U CN 202022651946 U CN202022651946 U CN 202022651946U CN 213776318 U CN213776318 U CN 213776318U
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- Prior art keywords
- water
- gear box
- box body
- heat dissipation
- cooler
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 238000001816 cooling Methods 0.000 title claims abstract description 48
- 230000017525 heat dissipation Effects 0.000 claims abstract description 31
- 239000000498 cooling water Substances 0.000 abstract description 11
- 239000010687 lubricating oil Substances 0.000 description 7
- 239000003921 oil Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000037072 sun protection Effects 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The application provides a pair of water-cooling heat abstractor of fan gear box, by cooling water pump circulation heat dissipation, all be provided with opening and open position about the box and be in same vertical line, the natural air cooling heat dissipation is passed through at the box top, and the bottom half is passed through electric fan and is forced the air cooling heat dissipation. Therefore, air is sucked through two sides, air is convected, the convection radiating area of the radiating fins is increased, the water temperature is quickly reduced, and the oil temperature of the gear box is effectively reduced. The radiating fins in the combined cooling device are all multi-loop calandria and are arranged in a staggered manner, so that the radiating area of the radiating fins is further increased, and the radiating efficiency is improved. The natural air cooler is provided with an inlet valve, an outlet valve and a short-circuit valve, is convenient to maintain and does not influence the normal operation of the gear box. And a safety device is arranged in the box body, so that the pressure in the gear box is stable, and the safety of operating personnel is ensured.
Description
Technical Field
The application relates to the technical field of wind power equipment improvement, in particular to a water-cooling heat dissipation device of a fan gear box.
Background
The wind turbine gearbox is an important component of a wind generating set, and mainly has the functions of transmitting power generated by a wind wheel under the action of wind power to a generator and enabling the generator to obtain corresponding rotating speed. Because the load of the fan gear box is large, the rotating speed is high, and a large amount of heat energy can be generated in the operation process. Therefore, the heat dissipation efficiency of the fan gearbox has an important influence on the stable operation of unit equipment.
In the prior art, a heat dissipation device of a fan gear box is formed by serially connecting a heat radiator, a motor, a fan and the like, and one side of the heat dissipation device is adopted for sucking air to cool the gear box. Since air cannot be convected, the heat dissipation effect is poor. Especially when the external environment temperature is higher, fan gear box heat dispersion is not good enough, and the unit limit power operation appears very easily, causes equipment failure even, leads to shutting down.
Based on this, this application provides a water-cooling heat abstractor of fan gear box for fan gear box only adopts one side to induced draft among the solution prior art, and the radiating effect is not good enough technical problem.
SUMMERY OF THE UTILITY MODEL
The application provides a water-cooling heat abstractor of fan gear box to fan gear box only adopts one side to induced draft among the solution prior art, the not good enough technical problem of radiating effect.
The application provides a water-cooling heat dissipation device of a fan gear box, which comprises a box body and a combined cooling device;
the box body is provided with a top opening and a bottom opening, and the top opening and the bottom opening are positioned on the same vertical line; a water pump and a gear box oil-water heat exchanger are arranged in the box body;
the combined cooling device comprises a natural wind cooler and an electric wind cooler; the natural air cooler is arranged above the opening at the top of the box body; the electric air cooler comprises a radiating fin and an electric fan; the radiating fins are arranged above the opening at the bottom of the box body, and the electric fan is arranged below the opening at the bottom of the box body; the natural wind cooler and the radiating fins are all multi-loop calandria and are arranged in a staggered manner;
the water pump, the natural air cooler, the electric air cooler and the gear box oil-water heat exchanger are communicated in sequence through water pipes.
Optionally, an inlet valve is arranged at a water inlet of the natural air cooler, and an outlet valve is arranged at a water outlet of the natural air cooler.
Optionally, a short-circuit valve is further disposed between the water inlet of the inlet valve and the water outlet of the outlet valve, and is communicated with the water inlet through a water pipe.
Optionally, a safety device is further arranged in the box body, and the safety device is used for ensuring that the pressure inside the fan gear box is constant.
Optionally, the safety device comprises a pressure switch, a pressure gauge, a temperature sensor, a safety valve, a water replenishing interface, a water collecting bottle and an expansion tank.
Optionally, the water pipe all sets up inside the box, natural wind cooler pass through valve joint direct with electronic wind cooler is connected.
Optionally, a sun-proof kit is used on the outer surface of the water pipe outside the box body.
Optionally, a dustproof baffle is arranged at the bottom of the radiating fin.
The application provides a pair of water-cooling heat abstractor of fan gear box, by cooling water pump circulation heat dissipation, all be provided with opening and open position about the box and be in same vertical line, the natural air cooling heat dissipation is passed through at the box top, and the bottom half is passed through electric fan and is forced the air cooling heat dissipation. Therefore, air is sucked through two sides, air is convected, the convection radiating area of the radiating fins is increased, the water temperature is quickly reduced, and the oil temperature of the gear box is effectively reduced. The radiating fins in the combined cooling device are all multi-loop calandria and are arranged in a staggered manner, so that the radiating area of the radiating fins is further increased, and the radiating efficiency is improved. The natural air cooler is provided with an inlet valve, an outlet valve and a short-circuit valve, is convenient to maintain and does not influence the normal operation of the gear box. And a safety device is arranged in the box body, so that the pressure in the gear box is stable, and the safety of operating personnel is ensured.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a water-cooling heat dissipation device of a fan gearbox according to an embodiment of the present application.
Illustration of the drawings:
wherein, 1-a box body; 2-a combined cooling device; 21-natural wind cooler; 22-electric air cooler; 221-a heat sink; 222-an electric fan; 3-a water pump; 4-a gear box oil-water heat exchanger; 5-inlet valve; 6-outlet valve; 7-short circuit valve; 8-safety device.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
Referring to fig. 1, a schematic structural diagram of a water-cooling heat dissipation device of a fan gearbox according to an embodiment of the present application is provided.
The application provides a water-cooling heat abstractor of fan gear box, including box 1 and joint cooling device 2.
The box body 1 is provided with a top opening and a bottom opening, and the top opening and the bottom opening are in the same vertical line. The box body 1 is internally provided with a water pump 3 and a gear box oil-water heat exchanger 4.
Specifically, the principle of the water-cooling heat dissipation device is that a cooling water pump circularly dissipates heat.
The gear box oil-water heat exchanger 4 is a device which is arranged in a cooling water path and controls the temperature of lubricating oil by using the temperature of cooling water. The gear box oil-water heat exchanger 4 can realize heat exchange of two liquid media with certain temperature difference, so that the purposes of reducing the oil temperature and ensuring the normal operation of electric equipment are achieved, and the gear box oil-water heat exchanger is mainly used for equipment lubricating oil cooling, variable speed system oil cooling, transformer oil cooling and the like. A heat transfer pipe of the gear box oil-water heat exchanger 4 adopts a red copper pipe to roll a radiating fin, and when the temperature of lubricating oil is high, the cooling water is used for cooling; when the engine is started, the oil-water heat exchanger 4 of the gear box absorbs heat from the cooling water to rapidly increase the temperature of the lubricating oil. The gear box oil-water heat exchanger 4 consists of a shell, a front cover, a rear cover and a copper core pipe which are cast by aluminum alloy. In order to enhance cooling, the heat transfer pipe is sleeved with a cooling fin. The cooling water flows outside the heat transfer pipe of the gear box oil-water heat exchanger 4, the lubricating oil flows inside the heat transfer pipe, and the cooling water and the lubricating oil exchange heat. Or a structure in which the lubricating oil flows outside the heat transfer pipe and the cooling water flows inside the heat transfer pipe.
The combined cooling device 2 includes a natural wind cooler 21 and an electric wind cooler 22. The natural wind cooler 21 is disposed above the top opening of the case 1. The electric wind cooler 22 includes a heat sink 221 and an electric fan 222. The heat sink 221 is disposed above the bottom opening of the case 1, and the electric fan 222 is disposed below the bottom opening of the case 1. The natural wind cooler 21 and the cooling fins 221 are all multi-loop calandria, and are arranged in a staggered manner.
Specifically, the box body 1 is provided with openings at the upper and lower sides, the positions of the openings are located on the same vertical line, the water-cooling heat dissipation device has two groups of heat dissipation fins, and the natural air cooler 21 and the electric air cooler 22 are respectively provided with one group. The cooling fins of the natural air cooler 21 on the top of the box body 1 radiate heat through natural air cooling, and the cooling fins 221 of the electric air cooler 22 on the bottom of the box body 1 radiate heat through the electric fan 222 in forced air cooling, so that air is induced by two sides, air is convected, the convection heat dissipation area of the two groups of cooling fins is increased, the water temperature is quickly reduced, and the oil temperature of the gear box is effectively reduced.
The two groups of radiating fins are all multi-loop calandria and are arranged in a staggered manner, and the radiating fins achieve the purpose of strengthening heat dissipation by additionally arranging fins on a common base pipe. The radiating fin mainly comprises three rows of parallel spiral fin tube bundles between air flow directions, the fin type heat exchanger adopts mechanical winding fins, the contact surface of the radiating fins and the radiating tube is large and tight, the heat transfer performance is good and stable, the air passing resistance is small, steam or hot water flows through the inside of the steel tube, and the heat is transferred to the air passing through the fins by the fins tightly wound on the steel tube, so that the effect of cooling the air is achieved. The base tube can be made of steel tube, stainless steel tube, copper tube, etc., and the fins can also be made of steel band, stainless steel band, copper band, aluminum band, etc.
The water pump 3, the natural wind cooler 21, the electric wind cooler 22 and the gear box oil-water heat exchanger 4 are communicated in sequence through water pipes.
In some embodiments of the present application, an inlet valve 5 is disposed at a water inlet of the natural wind cooler 21, and an outlet valve 6 is disposed at a water outlet of the natural wind cooler 22.
Furthermore, a short-circuit valve 7 is arranged between the water inlet of the inlet valve 5 and the water outlet of the outlet valve 6 and is communicated with the water inlet through a water pipe.
Specifically, the natural wind cooler 21 controls an inlet pipe through the inlet valve 5, and controls an outlet pipe through the outlet valve 6.
When the natural wind cooler 21 needs to be maintained, the inlet valve 5 and the outlet valve 6 are closed, and the short-circuit valve 7 is opened. When the maintenance is completed, the short-circuit valve 7 is closed again, and the inlet valve 5 and the outlet valve 6 are opened. Even if the natural wind cooler is maintained, the fan gear box can normally operate and cannot be greatly influenced.
In some embodiments of the present application, a safety device 8 is further disposed in the box, and the safety device 8 is used for ensuring that the pressure inside the fan gearbox is constant.
Further, the safety device 8 comprises a pressure switch, a pressure gauge, a temperature sensor, a safety valve, a water replenishing interface, a water collecting bottle and an expansion tank.
Particularly, safety device 8 has the effect that fan gear box internal pressure is invariable, guarantees operation maintainer safety. The expansion tank is a sealed cooling system frequently used for cooling electronic equipment, the expansion tank can compensate fluid thermal expansion caused by temperature rise, and the expansion tank is combined with the pressure switch, the pressure gauge and the like for use, and is used for ensuring that the pressure inside the fan gearbox is constant in the embodiment. The water replenishing interface and the water collecting bottle can replenish water for the water cooling heat dissipation device. The temperature sensor can provide temperature information for the operating personnel in real time, monitor the internal working state of the fan gear box in an aspect, and further protect the safety of the operating personnel.
In some embodiments of the present application, water pipes are disposed inside the case 1, and the natural wind cooler 21 is directly connected to the electric wind cooler 22 through a valve joint.
In some embodiments of the present application, a sun protection kit is used on the outer surface of the water pipe outside the tank 1.
Specifically, in order to prevent the water pipe from being aged by sunlight, a sun-proof kit can be sleeved outside the water pipe, or the water pipe is arranged inside the box body 1, and the outside of the box body 1 is directly connected to the electric air cooler 22 in the box body 1 from the water outlet of the natural air cooler 212 by using a valve joint.
In some embodiments of the present application, a dust-proof baffle is disposed at the bottom of the heat sink 221.
Specifically, the electric air cooler 22 adopts electric air suction to dissipate heat, and peripheral dust is easy to block the heat dissipation fins 221 to affect heat dissipation, so that temperature rise is caused, and normal operation of the unit is affected.
According to the technical scheme, the water-cooling heat dissipation device of the fan gear box provided by the application circularly dissipates heat through the cooling water pump. The water pump 3, the natural air cooler 21, the electric air cooler 22 and the gear box oil-water heat exchanger 4 are communicated in sequence through water pipes. The box 1 is provided with openings up and down, the openings are positioned on the same vertical line, the top of the box 1 is cooled through natural air, and the bottom of the box is cooled through the electric fan 222 in a forced air cooling mode. The natural wind cooler 21 and the radiating fins 221 are all multi-loop calandria, are arranged in a staggered manner, and are provided with dustproof baffles at the bottoms. The natural wind cooler 21 is provided with an inlet valve 5, an outlet valve 6, and a short-circuit valve 7. A safety device 8 is also arranged in the box body.
In practical application, the water-cooling heat dissipation device sucks air through two sides and conducts air convection, the convection heat dissipation area of the two groups of cooling fins is increased, the water temperature is quickly reduced, and therefore the oil temperature of the gear box is effectively reduced. The valve design of the natural wind cooler 21 is such that it is convenient to maintain and does not affect the normal operation of the gearbox. A safety device 8 is further arranged in the box body 1, so that the pressure in the gear box is stable, and the safety of operators is guaranteed. The application provides a water-cooling heat abstractor makes gear box oil temperature and temperature can obtain effective control, and the radiating efficiency promotes by a wide margin, has reduced the unit fault rate, is favorable to wind turbine generator system safety, moves steadily, has improved unit generating capacity conscientiously.
The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.
Claims (8)
1. A water-cooling heat dissipation device of a fan gear box is characterized by comprising a box body (1) and a combined cooling device (2);
the box body (1) is provided with a top opening and a bottom opening, and the top opening and the bottom opening are positioned on the same vertical line; a water pump (3) and a gear box oil-water heat exchanger (4) are arranged in the box body (1);
the combined cooling device (2) comprises a natural wind cooler (21) and an electric wind cooler (22); the natural wind cooler (21) is arranged above the opening at the top of the box body (1); the electric wind cooler (22) includes a heat sink (221) and an electric fan (222); the radiating fins (221) are arranged above the opening at the bottom of the box body (1), and the electric fan (222) is arranged below the opening at the bottom of the box body (1); the natural wind cooler (21) and the radiating fins (221) are all multi-loop calandria and are arranged in a staggered manner;
the water pump (3), the natural air cooler (21), the electric air cooler (22) and the gear box oil-water heat exchanger (4) are communicated in sequence through water pipes.
2. The water-cooled heat sink according to claim 1, characterized in that the inlet of the natural wind cooler (21) is provided with an inlet valve (5), and the outlet of the natural wind cooler (21) is provided with an outlet valve (6).
3. The water-cooled heat dissipation device as recited in claim 2, characterized in that a short-circuit valve (7) is further arranged between the water inlet of the inlet valve (5) and the water outlet of the outlet valve (6) and is communicated with the water inlet through a water pipe.
4. The water-cooled heat dissipation device as recited in claim 1, characterized in that a safety device (8) is further arranged in the box body (1), and the safety device (8) is used for ensuring constant pressure inside the fan gearbox.
5. The apparatus according to claim 4, wherein the safety device (8) comprises a pressure switch, a pressure gauge, a temperature sensor, a safety valve, a water charging port, a water collecting bottle and an expansion tank.
6. The water-cooled heat dissipation device as recited in claim 1, wherein water pipes are all arranged inside the box body (1), and the natural air cooler (21) is directly connected with the electric air cooler (22) through a valve joint.
7. The water-cooled heat dissipation device as recited in claim 1, wherein a sun-proof kit is used for the outer surface of the water pipe outside the box body (1).
8. The water-cooled heat sink according to claim 1, wherein the bottom of the heat sink (221) is provided with a dust-proof baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022651946.8U CN213776318U (en) | 2020-11-16 | 2020-11-16 | A water cooling device for fan gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022651946.8U CN213776318U (en) | 2020-11-16 | 2020-11-16 | A water cooling device for fan gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213776318U true CN213776318U (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022651946.8U Expired - Fee Related CN213776318U (en) | 2020-11-16 | 2020-11-16 | A water cooling device for fan gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213776318U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033847A (en) * | 2021-11-04 | 2022-02-11 | 华能中电威海风力发电有限公司 | Oil temperature control device for gear box |
| CN114135651A (en) * | 2021-11-28 | 2022-03-04 | 江苏畅动新能源科技有限公司 | Wind-powered electricity generation gear box with speed limiting protection |
| CN114645934A (en) * | 2022-03-17 | 2022-06-21 | 安徽理工大学 | Heat dissipation device for automatic gearbox and use method thereof |
| CN116592129A (en) * | 2023-07-17 | 2023-08-15 | 德力佳传动科技(江苏)股份有限公司 | Efficient heat dissipation structure of wind power gear box |
-
2020
- 2020-11-16 CN CN202022651946.8U patent/CN213776318U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033847A (en) * | 2021-11-04 | 2022-02-11 | 华能中电威海风力发电有限公司 | Oil temperature control device for gear box |
| CN114135651A (en) * | 2021-11-28 | 2022-03-04 | 江苏畅动新能源科技有限公司 | Wind-powered electricity generation gear box with speed limiting protection |
| CN114645934A (en) * | 2022-03-17 | 2022-06-21 | 安徽理工大学 | Heat dissipation device for automatic gearbox and use method thereof |
| CN116592129A (en) * | 2023-07-17 | 2023-08-15 | 德力佳传动科技(江苏)股份有限公司 | Efficient heat dissipation structure of wind power gear box |
| CN116592129B (en) * | 2023-07-17 | 2023-10-20 | 德力佳传动科技(江苏)股份有限公司 | Efficient heat dissipation structure of wind power gear box |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210723 |
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| CF01 | Termination of patent right due to non-payment of annual fee |