CN103939295A - Energy-saving cooling system of wind generating set frequency converter - Google Patents
Energy-saving cooling system of wind generating set frequency converter Download PDFInfo
- Publication number
- CN103939295A CN103939295A CN201410154408.4A CN201410154408A CN103939295A CN 103939295 A CN103939295 A CN 103939295A CN 201410154408 A CN201410154408 A CN 201410154408A CN 103939295 A CN103939295 A CN 103939295A
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- energy
- frequency converter
- cooling system
- shunt
- stainless steel
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- 238000001816 cooling Methods 0.000 title claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 239000000110 cooling liquid Substances 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 35
- 239000010935 stainless steel Substances 0.000 claims description 35
- 238000004134 energy conservation Methods 0.000 claims description 21
- 239000002826 coolant Substances 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000005611 electricity Effects 0.000 description 6
- 230000002411 adverse Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 1
Classifications
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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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- Wind Motors (AREA)
Abstract
The invention provides an energy-saving cooling system of a wind generating set frequency converter. The energy-saving cooling system comprises the frequency converter, a pipeline pump, a cooling liquid pipe, a hot liquid divider, a cold liquid divider, a high-level liquid collection box and two sets of radiating pipes, wherein the frequency converter, the pipeline pump and the cooling liquid pipe are located in a tower; the pipeline pump is connected with a heating component in the frequency converter through the cooling liquid pipe; one end of the hot liquid divider is connected with the high-level liquid collection box through the first set of radiating pipes; the other end of the hot liquid divider is connected with the heating component inside the frequency converter through the cooling liquid pipe; one end of the cold liquid divider is connected with the pipeline pump through the cooling liquid pipe; the other end of the cold liquid divider is connected with the high-level liquid collection box through the second set of air cooling radiating pipes; the top face of a cabin on the top of the tower is provided with an exhaust skylight of which an opening is back on to a wind wheel. According to the energy-saving cooling system, natural wind makes full contact with the surfaces of the radiating pipes inside the tower and takes heat energy away, cooling liquid with heat energy of the heating component of the frequency converter inside the radiating pipes is cooled rapidly, the good cooling effect is achieved without an air blower, energy sources are saved greatly, and environment noise of a whole wind power plant is lowered greatly.
Description
Technical field
The present invention relates to a kind of wind generating technology, relate in particular to the cooling system in a kind of wind generating technology, more specifically relate to a kind of energy-conservation cooling system of wind power generator unit frequency converter.
Background technique
Wind-power electricity generation is as a kind of emerging energy having a high potential, it is renewable, pollution-free, feature cheaply, the emerging energy industry that has become tool commercialized development prospect, has also been widely adopted all over the world, and wind-power electricity generation likely becomes the following most important alternative energy source in the world.
Large-scale wind power generating set is made up of two large divisions: mechanical part and electric part, and mechanical part comprises wind wheel, yaw system, pitch-controlled system and brake system, its function is that wind drives generator to rotate, and wind energy is converted to mechanical energy; Electric part comprises generator, frequency variator, transformer and electrical network, and its function is that mechanical energy is converted to frequency, the waveform constant Ac consistent with electrical network.
Wind power generating set is in running, and its frequency variator can produce heat, need to be to its processing that cools, and what adopt at present is water cooling system.The water cooling system of existing wind power generator unit frequency converter, generally include pipeline mounted pump, radiator and relevant water pipe, pipeline mounted pump, radiator are concatenated into a cooling circuit by the heater element of water pipe and frequency variator, pipeline mounted pump is arranged in tower cylinder, radiator is arranged on outside tower cylinder, radiator blows cool air on the fan blade of radiator, to carry out cooling by the blower that is arranged on its side, as shown in Figure 1.Single-machine capacity is the wind power generating set of 2000 kilowatts, need the blower of two 4 kilowatts within 24 hours, not stop just can reach to its radiator air blast the effect that cools accordingly, this frequency converter cooling system, not only need to expend a large amount of energy, and the very loud ambient noise of generation, in addition, be arranged at radiator and blower outside tower cylinder, easily affected by environment and artificial destruction, need a very large maintenance expense, these not only increase the cost of wind-power electricity generation, and affect the efficiency of wind-power electricity generation.
Summary of the invention
For overcoming the problem of above existence, the object of this invention is to provide a kind of energy-conservation cooling system of wind power generator unit frequency converter, this system is without radiator and blower, but utilizes the air of tower cylinder inner-outer circulation to cool to the cooling liquid in pipeline.
For realizing above object, the energy-conservation cooling system of wind power generator unit frequency converter of the present invention, comprise the frequency variator that is positioned at tower cylinder, pipeline mounted pump and coolant pipe, pipeline mounted pump is connected with the heater element in frequency variator by coolant pipe, feature is, described energy-conservation cooling system also comprises the hydrothermal solution shunt that is positioned at tower cylinder, cold liquid shunt, high-order catch box and two groups of heat dissipating pipes, hydrothermal solution shunt one end is connected with high-order catch box by first group of heat dissipating pipe, the other end is connected with the heater element in frequency variator by coolant pipe, cold liquid shunt one end is connected with pipeline mounted pump by coolant pipe, the other end is connected with high-order catch box by second group of heat dissipating pipe, the cabin end face at tower cylinder top is provided with exhaust skylight, the opening in this exhaust skylight is the wind wheel at tower cylinder top dorsad, every group of heat dissipating pipe is that Stainless Steel Tube parallel with one another by some and that can pass through through cooling liquid forms, and high-order catch box is fixed in each Stainless Steel Tube one end, the other end is fixed on hydrothermal solution shunt or cold liquid shunt.
For good utilisation high stack effect more, so that the cooling-down effect of heat dissipating pipe is better, the vertical section outer race of above-mentioned heat dissipating pipe is provided with the stainless steel sleeve that a diameter is 500-700cm, the cabin manhole appendix that default Gong the staff in bottom surface, Zheng Dui cabin, top of sleeve passes in and out.
In order to mate with the pipeline mounted pump of existing wind power generator unit frequency converter water cooling system, the above-mentioned high-order catch box preferred 30-32m of height overhead.
In order to reach corresponding cooling-down effect, above-mentioned every group of heat dissipating pipe is preferably that 12-18mm, wall thickness are that the Stainless Steel Tube that 0.2-0.3mm, length are 25-30m forms by 10-20 root diameter.
The impact high-order liquid collecting tank wall being caused in order to eliminate the pressure of hot water expansion generation, above-mentioned high-order catch box top is provided with opening, and opening is socketed with the expanding bag for regulating catch box volume.
In order to save space as far as possible, above-mentioned hydrothermal solution shunt and cold liquid shunt are spheroid, and first sphere of shunt offers through hole, second sphere centre of being connected with the each Stainless Steel Tube of heat dissipating pipe and offers the through hole being connected with coolant pipe.
For the better space of saving, can reach again corresponding radiating effect simultaneously, the preferred 50-100 cm of diameter of above-mentioned shunt, preferably 16 of the Stainless Steel Tube radicals of every group of heat dissipating pipe, each Stainless Steel Tube is equidistantly arranged along first sphere of shunt.
For the better area of contact that increases heat dissipating pipe and air, the preferred corrugated stainless steel tubing of above-mentioned Stainless Steel Tube.
The exhaust skylight of above-mentioned cabin end face, is that the breach of being offered by cabin end face and the inverted "L" shaped baffle plate that is arranged at breach one side form, and the left and right sides of baffle plate are provided with fixed plate.
While being out of order for fear of wind wheel, air enters cabin along the downward adverse current of tower cylinder by skylight, and the breach opposite side of above-mentioned cabin end face is provided with the swing leaf that can form with the fixed plate of inverted "L" shaped baffle plate and baffle plate both sides sealing.
The energy-conservation cooling system of wind power generator unit frequency converter of the present invention, compared with existing water cooling system, has advantages of as follows:
1, utilize the high stack effect of tower cylinder, allow natural wind fully contact and take away heat with the stainless steel pipe surface that is positioned at tower cylinder, making to be positioned at Stainless Steel Tube lowers the temperature rapidly with the cooling liquid of frequency variator heater element heat, without use blower in the situation that, can reach the effect that well cools; The use that just can save two blowers due to each wind power generating set, the power of every blower is 4 kilowatts, within 1 year, just can save about 70,000 degree electricity, the wind energy turbine set of one 50,000 kilowatts has 25 generator set, just can save every year about 1,750,000 degree electricity, not only can greatly save the energy, and can greatly reduce the ambient noise of whole wind energy turbine set.
2, whole cooling system is arranged in tower cylinder, can reduce ectocine and avoid artificial destruction, greatly reduces time and the expense of maintenance, in improving generated energy, greatly saves the cost of generating.
3, natural wind convection current in tower cylinder, can take away the moisture in tower cylinder, better extends the working life of equipment in tower cylinder.
Brief description of the drawings
Fig. 1 is the structural representation of the water cooling system of existing wind power generator unit frequency converter.
Fig. 2 is the structural representation of the energy-conservation cooling system of wind power generator unit frequency converter of the present invention.
Fig. 3 is the structural representation of cabin, tower cylinder top and wind wheel.
Fig. 4 is the sectional drawing of Fig. 2 along A-A line.
Embodiment
As shown in Figure 2,3, the energy-conservation cooling system of wind power generator unit frequency converter of the present invention, comprise be positioned at tower cylinder 1 frequency variator 2, pipeline mounted pump 3, coolant pipe 4, two groups of heat dissipating pipes 5, hydrothermal solution shunt 6, cold liquid shunt 7 and high-order catch boxs 8, cabin 9 end faces at tower cylinder top are provided with exhaust skylight 10, the opening in this exhaust skylight is the wind wheel 11 at tower cylinder top dorsad, and original being just provided with in bottom surface, cabin can be for the cabin manhole appendix 12 of staff's turnover; Pipeline mounted pump is connected with the heater element in frequency variator by coolant pipe, hydrothermal solution shunt one end by first group of heat dissipating pipe be connected with high-order catch box, the other end is connected with the heater element in frequency variator by coolant pipe, cold liquid shunt one end by coolant pipe be connected with pipeline mounted pump, the other end passes through second group of heat dissipating pipe and is connected with high-order catch box;
Every group of heat dissipating pipe 5 is that corrugated stainless steel tubing 51 parallel with one another by 16 and that can pass through through cooling liquid forms, high-order catch box is fixed in first group of corrugated stainless steel tubing one end, the other end is fixed on hydrothermal solution shunt, high-order catch box is fixed in the second group of cold liquid shunt of corrugated stainless steel tubing one end, the other end is fixed on cold liquid shunt, and the diameter of corrugated stainless steel tubing is that 12mm, wall thickness are that 0.3mm, length are 30m; The vertical section outer race of every group of heat dissipating pipe is provided with the stainless steel sleeve 52 that a diameter is 600cm, the cabin manhole appendix 12 that the top of sleeve is just default to bottom surface, cabin, tower cylinder top;
Hydrothermal solution shunt 6 and cold liquid shunt 7 are spheroid, its first sphere offers through hole 61, second sphere centre that can be connected with the each corrugated stainless steel tubing of heat dissipating pipe and offers the through hole 62 being connected with coolant pipe, the through hole being connected with corrugated stainless steel tubing is equidistantly arranged along first sphere of shunt, as shown in Figure 4;
High-order catch box 8 is arranged at the eminence apart from ground 30m, the end face of this catch box is provided with opening 81, opening is socketed with the expanding bag 82 for regulating catch box volume, the side opening of high-order catch box is provided with the through hole being connected with each corrugated stainless steel tubing, the through hole joining with first group of corrugated stainless steel tubing is positioned at the top of high-order catch box side, and the through hole joining with second group of corrugated stainless steel tubing is positioned at the bottom of high-order catch box side;
The breach 101 that 10Shi You cabin, exhaust skylight end face is offered forms with the inverted "L" shaped baffle plate 102 that is arranged at breach one side, the left and right sides of baffle plate is fixed with side plate 103, and the opposite side of breach is provided with the swing leaf 104 that can form with the side plate of inverted "L" shaped baffle plate and baffle plate both sides sealing.
The working principle of the energy-conservation cooling system of wind power generator unit frequency converter of the present invention is: due to pipeline mounted pump, the heater element of frequency variator, coolant pipe, cold and hot liquid shunt, heat dissipating pipe and high-order catch box are concatenated into a circulation loop, when generator work, frequency variator starts heating, pipeline mounted pump is transported to cooling liquid the heater element of frequency variator, the heat of the heater element liquid that is cooled is taken away, enter hydrothermal solution shunt, because hot gas is toward rising, cooling liquid with heat enters first group of corrugated stainless steel tubing one after another from the top of hydrothermal solution shunt, now, normal temperature air outside tower cylinder enters from the bottom of tower cylinder, fully contact with the tube wall of each corrugated stainless steel tubing, after taking away rapidly heat, discharge from cabin manhole appendix and the exhaust skylight at tower cylinder top, through the cooling liquid of cooling for the first time enters high-order catch box mixing from the top of high-order catch box, flow out from the bottom of high-order catch box, enter second group of corrugated stainless steel tubing, the process that cooling liquid moves in corrugated stainless steel tubing, the normal temperature air constantly entering from tower cylinder bottom fully contacts with corrugated stainless steel tubing wall, after continuing to take away heat, discharge from cabin manhole appendix and the exhaust skylight at tower cylinder top, cooling liquid is lowered the temperature again, cooling liquid through reducing temperature twice enters cold liquid shunt, continue to use by pipeline mounted pump.Due to the exhaust skylight opening of cabin end face and wind wheel dorsad, in the situation that wind wheel runs well, air always enters from tower cylinder bottom, along the upwards following current of tower cylinder, then discharges from exhaust skylight, meets hot gas toward the principle rising; In the time that wind wheel breaks down, enter cabin along the downward adverse current of tower cylinder for fear of air by skylight, can close in time the swing leaf in skylight.Cooling system of the present invention, utilizes the inside and outside circulating air of tower cylinder to carry out cooling down to cooling liquid, not only energy saving, and can greatly reduce ambient noise, be one and improve the practicable good scheme of existing wind power generator unit frequency converter cooling system.
Be more than illustrating of the energy-conservation embodiment of cooling system of wind power generator unit frequency converter of the present invention; but this embodiment is not in order to limit the scope of the invention; all equivalences that does not depart from technical solution of the present invention are implemented or change; as the group number of heat dissipating pipe, structure, layout in tower cylinder or the change of Placement, all should be included in scope of the present invention.
Claims (10)
1. the energy-conservation cooling system of a wind power generator unit frequency converter, comprise the frequency variator that is positioned at tower cylinder, pipeline mounted pump and coolant pipe, pipeline mounted pump is connected with the heating original paper in frequency variator by coolant pipe, it is characterized in that: described energy-conservation cooling system also comprises the hydrothermal solution shunt that is positioned at tower cylinder, cold liquid shunt, high-order catch box and two groups of heat dissipating pipes, hydrothermal solution shunt one end is connected with high-order catch box by first group of heat dissipating pipe, the other end is connected with the heating original paper in frequency variator by coolant pipe, cold liquid shunt one end is connected with pipeline mounted pump by coolant pipe, the other end is connected with high-order catch box by second group of heat dissipating pipe, the cabin end face at tower cylinder top is provided with exhaust skylight, the opening in this exhaust skylight is the wind wheel at tower cylinder top dorsad, every group of heat dissipating pipe is that Stainless Steel Tube parallel with one another by some and that can pass through through cooling liquid forms, and high-order catch box is fixed in each Stainless Steel Tube one end, the other end is fixed on hydrothermal solution shunt or cold liquid shunt.
2. the energy-conservation cooling system of wind power generator unit frequency converter according to claim 1, it is characterized in that: the vertical section outer race of described heat dissipating pipe is provided with the stainless steel sleeve that a diameter is 500-700cm the cabin manhole appendix that default Gong the staff in bottom surface, Zheng Dui cabin, top of sleeve passes in and out.
3. the energy-conservation cooling system of wind power generator unit frequency converter according to claim 1 and 2, is characterized in that: described high-order catch box height is overhead 30-32m.
4. the energy-conservation cooling system of wind power generator unit frequency converter according to claim 3, is characterized in that: described every group of heat dissipating pipe is to be that 12-18mm, wall thickness are that the Stainless Steel Tube that 0.2-0.3mm, length are 25-30m forms by 10-20 root diameter.
5. the energy-conservation cooling system of wind power generator unit frequency converter according to claim 4, is characterized in that: described high-order catch box top is provided with opening, and opening is socketed with the expanding bag for regulating catch box volume.
6. the energy-conservation cooling system of wind power generator unit frequency converter according to claim 5, it is characterized in that: described hydrothermal solution shunt and cold liquid shunt are spheroid, first sphere of shunt offers through hole, second sphere centre of being connected with the each Stainless Steel Tube of heat dissipating pipe and offers the through hole being connected with coolant pipe.
7. the energy-conservation cooling system of wind power generator unit frequency converter according to claim 6, it is characterized in that: the diameter of described shunt is 50-100 cm, the Stainless Steel Tube radical of every group of heat dissipating pipe is 16, and each Stainless Steel Tube is equidistantly arranged along first sphere of shunt.
8. the energy-conservation cooling system of wind power generator unit frequency converter according to claim 7, is characterized in that: described Stainless Steel Tube is corrugated stainless steel tubing.
9. the energy-conservation cooling system of wind power generator unit frequency converter according to claim 8, it is characterized in that: the skylight of described cabin end face, be that the breach of being offered by cabin end face and the inverted "L" shaped baffle plate that is arranged at breach one side form, the left and right sides of baffle plate are fixed with side plate.
10. the energy-conservation cooling system of wind power generator unit frequency converter according to claim 9, is characterized in that: the breach opposite side of described cabin end face is provided with the swing leaf that can form with the side plate of inverted "L" shaped baffle plate and baffle plate both sides sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410154408.4A CN103939295B (en) | 2014-04-17 | 2014-04-17 | The energy-conservation cooling system of wind power generator unit frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410154408.4A CN103939295B (en) | 2014-04-17 | 2014-04-17 | The energy-conservation cooling system of wind power generator unit frequency converter |
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| Publication Number | Publication Date |
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| CN103939295A true CN103939295A (en) | 2014-07-23 |
| CN103939295B CN103939295B (en) | 2016-06-29 |
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| CN201410154408.4A Expired - Fee Related CN103939295B (en) | 2014-04-17 | 2014-04-17 | The energy-conservation cooling system of wind power generator unit frequency converter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747386A (en) * | 2015-03-26 | 2015-07-01 | 王承辉 | Frequency converter cooling device of wind power generator unit |
| WO2023000417A1 (en) * | 2021-07-19 | 2023-01-26 | 远景能源有限公司 | Semi-open high-power device cooling system and cooling method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100143126A1 (en) * | 2008-12-09 | 2010-06-10 | General Electric Company | Cooling system and method for wind turbine components |
| CN201957389U (en) * | 2011-02-18 | 2011-08-31 | 华锐风电科技(江苏)有限公司 | Integral cooling system of wind generating set |
| CN102301136A (en) * | 2009-01-30 | 2011-12-28 | 维斯塔斯风力系统集团公司 | Wind turbine nacelle with cooler top |
| CN102777330A (en) * | 2012-08-01 | 2012-11-14 | 国电联合动力技术(连云港)有限公司 | Independent water cooling device of large-scale megawatt-level wind generating set |
| CN103277263A (en) * | 2013-05-17 | 2013-09-04 | 国电联合动力技术(连云港)有限公司 | Cooling system of ultra-large wind generating set |
| CN203796504U (en) * | 2014-04-17 | 2014-08-27 | 王承辉 | Energy-saving cooling system of wind turbine generating set frequency converter |
-
2014
- 2014-04-17 CN CN201410154408.4A patent/CN103939295B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100143126A1 (en) * | 2008-12-09 | 2010-06-10 | General Electric Company | Cooling system and method for wind turbine components |
| CN102301136A (en) * | 2009-01-30 | 2011-12-28 | 维斯塔斯风力系统集团公司 | Wind turbine nacelle with cooler top |
| CN201957389U (en) * | 2011-02-18 | 2011-08-31 | 华锐风电科技(江苏)有限公司 | Integral cooling system of wind generating set |
| CN102777330A (en) * | 2012-08-01 | 2012-11-14 | 国电联合动力技术(连云港)有限公司 | Independent water cooling device of large-scale megawatt-level wind generating set |
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| CN203796504U (en) * | 2014-04-17 | 2014-08-27 | 王承辉 | Energy-saving cooling system of wind turbine generating set frequency converter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747386A (en) * | 2015-03-26 | 2015-07-01 | 王承辉 | Frequency converter cooling device of wind power generator unit |
| WO2023000417A1 (en) * | 2021-07-19 | 2023-01-26 | 远景能源有限公司 | Semi-open high-power device cooling system and cooling method |
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| Publication number | Publication date |
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| CN103939295B (en) | 2016-06-29 |
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