CN203796504U - Energy-saving cooling system of wind turbine generating set frequency converter - Google Patents
Energy-saving cooling system of wind turbine generating set frequency converter Download PDFInfo
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- CN203796504U CN203796504U CN201420186906.2U CN201420186906U CN203796504U CN 203796504 U CN203796504 U CN 203796504U CN 201420186906 U CN201420186906 U CN 201420186906U CN 203796504 U CN203796504 U CN 203796504U
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- frequency converter
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- Y02E10/722—
Abstract
The utility model provides an energy-saving cooling system of a wind turbine generating set frequency converter. The energy-saving cooling system comprises a frequency converter positioned in a tower, a pipeline mounted pump, a cooling liquid pipe, a hot liquid diverter, a cooling liquid diverter, a high-position liquid collecting tank and two groups of radiating pipes; the pipeline mounted pump is connected with a heating element in the frequency converter through the cooling liquid pipe; one end of the hot liquid diverter is connected with the high-position liquid collecting tank through the first group of the air-cooled radiating pipes, and the other end of the hot liquid diverter is connected with the high-position liquid collecting tank through the second group of the air-cooled radiating pipes; an exhaust skylight of which opening is in the backward direction of a wind wheel is arranged on the top surface of a cabin at the top of the tower. According to the cooling system, natural wind is in full contact with the surfaces of the radiating pipes in the tower to take heat away, so that cooling liquid carrying heat generated by the heating element of the frequency converter, in the radiating pipes can be cooled quickly, an excellent cooling effect can be realized under a condition without using a blower, not only is energy sources greatly saved, but also environmental noise in a whole wind farm is greatly reduced.
Description
Technical field
the utility model relates to a kind of wind generating technology, relates in particular to the cooling system in a kind of wind generating technology, more specifically relates 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 comprised 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 being arranged on the blower of 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 the effect that cools accordingly to its radiator air blast, 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, easy 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 purpose of this utility model 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 utility model, 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 of Gong the staff turnover that the top of sleeve is default over against bottom surface, cabin.
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 for regulating the expanding bag of 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 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 corresponding radiating effect again 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 and can forms with the fixed plate of inverted "L" shaped baffle plate and baffle plate both sides the swing leaf of sealing.
The energy-conservation cooling system of wind power generator unit frequency converter of the present utility model, compares 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; Because each wind power generating set just can be save the use of two blowers, 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 the energy can be greatly saved, and the ambient noise of whole wind energy turbine set can be greatly reduced.
2, whole cooling system is arranged in tower cylinder, can reduce ectocine and avoid artificial destruction, greatly reduces time and the expense of maintenance, when 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.
Accompanying drawing explanation
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 the utility model wind power generator unit frequency converter.
Fig. 3 is the structural representation of cabin, tower cylinder top and wind wheel.
Fig. 4 is that Fig. 2 is along the sectional drawing of A-A line.
Embodiment
As shown in Figure 2,3, the energy-conservation cooling system of the utility model wind power generator unit frequency converter, 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 is connected with high-order catch box by second group of heat dissipating pipe;
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, and the top of sleeve is over against the default cabin manhole appendix 12 in 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 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 for regulating the expanding bag 82 of 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 and can forms with the side plate of inverted "L" shaped baffle plate and baffle plate both sides the swing leaf 104 of sealing.
The working principle of the energy-conservation cooling system of wind power generator unit frequency converter of the present utility model 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, during 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, from cabin manhole appendix and the exhaust skylight at tower cylinder top, discharge, cooling liquid through cooling for the first time enters high-order catch box mixing from the top of high-order catch box, from the bottom of high-order catch box, flow out, 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, from cabin manhole appendix and the exhaust skylight at tower cylinder top, discharge, cooling liquid is lowered the temperature again, cooling liquid through reducing temperature twice enters cold liquid shunt, by pipeline mounted pump, continue to use.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 following current that makes progress of tower cylinder, then discharges from exhaust skylight, meets hot gas toward the principle rising; When wind wheel breaks down, for fear of air, by skylight, enter cabin along the downward adverse current of tower cylinder, can close in time the swing leaf in skylight.Cooling system of the present utility model, utilize the inside and outside circulating air of tower cylinder to carry out cooling down to cooling liquid, energy saving not only, 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 the utility model wind power generator unit frequency converter; but this embodiment is not in order to limit protection domain of the present utility model; all equivalences that does not depart from technical solutions of the utility model 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 utility model.
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 heater element 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 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.
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 of Gong the staff turnover that the top of sleeve is default over against bottom surface, cabin.
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 for regulating the expanding bag of 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 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 and can forms with the side plate of inverted "L" shaped baffle plate and baffle plate both sides the swing leaf of sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420186906.2U CN203796504U (en) | 2014-04-17 | 2014-04-17 | Energy-saving cooling system of wind turbine generating set frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420186906.2U CN203796504U (en) | 2014-04-17 | 2014-04-17 | Energy-saving cooling system of wind turbine generating set frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203796504U true CN203796504U (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420186906.2U Withdrawn - After Issue CN203796504U (en) | 2014-04-17 | 2014-04-17 | Energy-saving cooling system of wind turbine generating set frequency converter |
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| Country | Link |
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| CN (1) | CN203796504U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939295A (en) * | 2014-04-17 | 2014-07-23 | 王承辉 | Energy-saving cooling system of wind generating set frequency converter |
| CN113048028A (en) * | 2021-04-29 | 2021-06-29 | 中顺元通新能源集团有限公司 | Circulating cooling device for wind power generation |
-
2014
- 2014-04-17 CN CN201420186906.2U patent/CN203796504U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939295A (en) * | 2014-04-17 | 2014-07-23 | 王承辉 | Energy-saving cooling system of wind generating set frequency converter |
| CN103939295B (en) * | 2014-04-17 | 2016-06-29 | 王承辉 | The energy-conservation cooling system of wind power generator unit frequency converter |
| CN113048028A (en) * | 2021-04-29 | 2021-06-29 | 中顺元通新能源集团有限公司 | Circulating cooling device for wind power generation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140827 Effective date of abandoning: 20160629 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |