CN204553115U - A kind of wind power generator unit frequency converter cooling device - Google Patents

A kind of wind power generator unit frequency converter cooling device Download PDF

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Publication number
CN204553115U
CN204553115U CN201520172609.7U CN201520172609U CN204553115U CN 204553115 U CN204553115 U CN 204553115U CN 201520172609 U CN201520172609 U CN 201520172609U CN 204553115 U CN204553115 U CN 204553115U
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heat dissipation
dissipation tank
cooling liquid
cooling device
wind power
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Withdrawn - After Issue
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CN201520172609.7U
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Chinese (zh)
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王承辉
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Individual
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    • Y02E10/722

Abstract

The utility model provides a kind of wind power generator unit frequency converter cooling device, this device is positioned at the frequency variator of tower cylinder, pipeline mounted pump and coolant pipe, pipeline mounted pump is connected with the heater element in frequency variator by coolant pipe, cooling device also comprises a heat dissipation tank, this heat dissipation tank is flat thin structure and using the part area of tower barrel as casing sidewall, the area of this sidewall is greater than the area of its adjacent each sidewall, heat dissipation tank is provided with cooling liquid entrance and cooling liquid outlet, cooling liquid outlet is connected with pipeline mounted pump by coolant pipe, cooling liquid entrance is connected with the heater element of frequency variator by coolant pipe.Cooling device of the present utility model, structure is simple, be skillfully constructed, large-area tower barrel is utilized to cool rapidly to the cooling liquid in heat dissipation tank as radiator, energy saving, reduce ambient noise, be one and improve the practicable good scheme of existing wind power generator unit frequency converter cooling system.

Description

A kind of wind power generator unit frequency converter cooling device
Technical field
The utility model relates to a kind of wind generating technology, particularly relates to the cooling device in a kind of wind generating technology, more specifically relates to a kind of wind power generator unit frequency converter cooling device.
Background technique
Wind-power electricity generation is as a kind of emerging energy had a high potential, it is renewable, pollution-free, the feature of low cost, become the emerging energy industry of most commercialized development prospect, be also widely adopted all over the world, 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, and its function is that wind drives generator rotation, is mechanical energy by Wind resource change; Electric part comprises generator, frequency variator, transformer and electrical network, and its function 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, needs its process 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, cool air to blow by the blower being arranged on its side and carry out cooling on the fan blade of radiator by radiator, as shown in Figure 1.Single-machine capacity is the wind power generating set of 2000 kilowatts, the blower of two 4 kilowatts is needed 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 the energy of at substantial, and produce the ambient noise rung very much, in addition, be arranged at the radiator outside tower cylinder and blower, 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.For above problem, claimant of the present utility model have developed a kind of energy-conservation cooling system of new wind power generator unit frequency converter, and applied for utility model patent on April 17th, 2014 to State Intellectual Property Office and be authorized, the patent No. is 201420186906.2, this system is without the need to radiator and blower, but utilize the air of tower cylinder inner-outer circulation to cool to the cooling liquid in pipeline, but because this system needs to arrange hydrothermal solution shunt in tower cylinder, cold liquid shunt, the heat dissipating pipe that the Stainless Steel Tube that high-order catch box and Duo Gen have certain length is formed, thus complicated structure, construct also cumbersome.
Summary of the invention
For overcoming above Problems existing, the purpose of this utility model is to provide that a kind of structure is simple, construction easily, the wind power generator unit frequency converter cooling device of good heat dissipation effect.
For realizing above object, wind power generator unit frequency converter cooling device of the present utility model, comprise the frequency variator being 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 cooling device also comprises a heat dissipation tank, this heat dissipation tank is flat thin structure and using the part area of tower barrel as casing sidewall, the area of this sidewall is greater than the area of its adjacent each sidewall, heat dissipation tank is provided with cooling liquid entrance and cooling liquid outlet, cooling liquid outlet is connected with pipeline mounted pump by coolant pipe, cooling liquid entrance is connected with the heater element of frequency variator by coolant pipe, make heat dissipation tank, the heater element of pipeline mounted pump and frequency variator forms a circulation loop.
In order to better improve radiating effect, above-mentioned heat dissipation tank is positioned on tower cylinder outer side wall, and cooling liquid entrance is positioned at the top of heat dissipation tank, and cooling liquid outlet is positioned at the bottom of heat dissipation tank, and coolant pipe is connected through the cooling liquid entrance of tower barrel and heat dissipation tank and cooling liquid outlet.
In order to further improve radiating effect, the above-mentioned heat dissipation tank outer side wall be positioned at outside tower cylinder is provided with radiating fin, and this radiating fin is positioned on the heat dissipation tank sidewall of side relative to tower barrel.
In order to reduce the change to tower barrel as far as possible, above-mentioned heat dissipation tank is positioned on tower cylinder madial wall, and cooling liquid entrance is positioned at the top of heat dissipation tank, and cooling liquid outlet is positioned at the bottom of heat dissipation tank.
In order to make the contact of cooling liquid and heat dissipation tank sidewall more abundant, so that cooling liquid is lowered the temperature rapidly, in above-mentioned heat dissipation tank, be provided with horizontal parallel guide plate.
In order to avoid blower fan stops generating for a long time, during temperature height than frequency variator of the ambient temperature of frequency variator periphery, compared with hot air to the colder heating original paper of frequency variator, can be congealed into the globule on heating original paper, thus cause frequency variator short circuit, simultaneously also in order to prevent the cooling liquid be in the outer heat dissipation tank of tower cylinder from occurring freezing in the winter of cold, thus affecting the flowing of cooling liquid, above-mentioned cooling device is provided with coolant heater on the coolant pipe between the cooling liquid outlet and pipeline mounted pump of heat dissipation tank.
In order to mate with the pipeline mounted pump of existing wind power generator unit frequency converter water cooling system, reach better cooling-down effect, the length and width preferred 1-5m × 1-5m of above-mentioned heat dissipation tank using tower barrel as that side of sidewall, the preferred 0.02-0.1m of thickness of heat dissipation tank simultaneously.
The impact that the pressure that expand generation to eliminate hydrothermal solution causes heat radiation tank wall, reduce the setting of the outer component of tower cylinder simultaneously, above-mentioned heat dissipation tank is positioned at the cooling system of tower cylinder, be provided with opening at the top of heat dissipation tank, opening is socketed with expanding bag or expansion drum for regulating heat dissipation tank volume; Above-mentioned heat dissipation tank is positioned at the cooling device outside tower cylinder, and near cooling liquid entrance and the coolant pipe end face being positioned at tower cylinder is provided with opening, opening is socketed with expanding bag or expansion drum for regulating heat dissipation tank volume.
For the ease of the replacing of cooling liquid, above-mentioned heat dissipation tank is positioned at the cooling system of tower cylinder, is provided with cooling liquid liquid port bottom heat dissipation tank; Above-mentioned heat dissipation tank is positioned at the cooling device outside tower cylinder, between cooling liquid outlet and pipeline mounted pump, be provided with filter, and filter bottom is provided with cooling liquid liquid port.
In order to make other sidewalls of heat dissipation tank also can lower the temperature rapidly in the process contacted with air, above-mentioned heat dissipation tank all adopts corrosion resistant plate to make divided by other sidewalls that tower barrel is sidewall.
The cooling device of wind power generator unit frequency converter of the present utility model, compared with existing wind power generator unit frequency converter water cooling system, has following advantage:
1, adopt and heat dissipation tank is set in or beyond tower cylinder, and using the sidewall of the part area of tower barrel as heat dissipation tank, utilize the steel wall of about 1000 square metres, whole tower cylinder as radiator, utilize hot gas toward the feature risen and tower cylinder top natural wind wind-force is large simultaneously, in the process that natural wind contacts with tower barrel, rapidly the heat of heat dissipation tank is taken away, make to be positioned at heat dissipation tank to be lowered the temperature rapidly with the cooling liquid of frequency variator heater element heat, when without the need to using blower, the effect that well cools can be reached, not only greatly can save the energy, and greatly can reduce the ambient noise of whole wind energy turbine set.
2, whole cooling device is arranged in tower cylinder or only has heat dissipation tank to be arranged at outside tower cylinder, can reduce ectocine and avoid artificial destruction, greatly reducing time and the expense of maintenance, while raising generated energy, greatly saves the cost of generating.
3, cooling device of the present utility model, structure is simple, be skillfully constructed, without the need to carrying out substantial change to the structure of tower cylinder, existing wind power generator unit frequency converter water cooling system can be utilized to be positioned at the part of tower cylinder, then addition one heat dissipation tank just can realize on tower barrel, construction easily, cost is low, effective, has market prospects widely.
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 utility model wind power generator unit frequency converter cooling device embodiment.
Fig. 3 is the structural representation of another embodiment of the utility model wind power generator unit frequency converter cooling device.
Fig. 4 is that the internal structure of heat dissipation tank cuts open figure.
Fig. 5 is the structural drawing that radiating fin is watched along A direction.
Embodiment
Embodiment 1
As shown in Figure 2,4, the cooling device of the utility model wind power generator unit frequency converter, comprise the frequency variator 2, pipeline mounted pump 3, heat dissipation tank 4, coolant heater 5 and the coolant pipe 6 that are positioned at tower cylinder 1, heat dissipation tank is positioned at the middle and lower part of tower cylinder and the sidewall using tower barrel as casing, heat dissipation tank is flat and thin, its length × wide × thick=1-5m × 1-5m × 0.02-0.1m, the length being that side of sidewall with tower barrel × wide=1-5m × 1-5m; Heat dissipation tank top is provided with cooling liquid entrance 41, bottom is provided with cooling liquid outlet 42, cooling liquid outlet is connected with the heater element of coolant heater, pipeline mounted pump and frequency variator successively by coolant pipe, cooling liquid entrance is connected with the heater element of frequency variator by coolant pipe, makes the heater element of heat dissipation tank, coolant heater, pipeline mounted pump and frequency variator form a circulation loop; Heat dissipation tank top is provided with opening, and opening is socketed with the expanding bag 43 for regulating heat dissipation tank volume, is provided with cooling liquid liquid port 44 bottom heat dissipation tank, and the inner chamber of heat dissipation tank is provided with horizontal parallel guide plate 45, and guide plate is fixed on the front-rear side walls of heat dissipation tank.
Embodiment 2
As shown in Fig. 3,4,5, the cooling device of the utility model wind power generator unit frequency converter, comprise the frequency variator 2, pipeline mounted pump 3, coolant heater 5, the coolant pipe 6 that are positioned at tower cylinder 1 and be positioned at heat dissipation tank 4 outside tower cylinder, heat dissipation tank is positioned at the middle and lower part of tower cylinder and the sidewall using tower barrel as casing, heat dissipation tank is flat and thin, its length × wide × thick=1-5m × 1-5m × 0.02-0.1m, the length being that side of sidewall with tower barrel × wide=1-5m × 1-5m; Heat dissipation tank top is provided with cooling liquid entrance 41, bottom is provided with cooling liquid outlet 42, cooling liquid outlet is connected with the heater element of coolant heater, pipeline mounted pump and frequency variator successively by the coolant pipe passing through tower barrel, cooling liquid entrance is connected by the heater element of the coolant pipe with frequency variator that pass through tower barrel, makes the heater element of heat dissipation tank, coolant heater, pipeline mounted pump and frequency variator form a circulation loop; Near cooling liquid entrance and the coolant pipe end face being positioned at tower cylinder is provided with opening, opening is socketed with the expanding bag 43 for regulating heat dissipation tank volume, filter 7 is provided with between cooling liquid outlet and pipeline mounted pump, filter bottom is provided with cooling liquid liquid port 44, the inner chamber of heat dissipation tank is provided with horizontal parallel guide plate 45, and guide plate is fixed on the front-rear side walls of heat dissipation tank; In order to further improve radiating effect, the outer side wall of heat dissipation tank is provided with radiating fin 8, and this radiating fin is positioned on the heat dissipation tank sidewall of side relative to tower barrel.
The working principle of wind power generator unit frequency converter cooling device of the present utility model is: due to heat dissipation tank, pipeline mounted pump, the heater element of frequency variator is concatenated into a circulation loop, during generator operation, frequency variator starts heating, cooling liquid is transported to the heater element of frequency variator by pipeline mounted pump, the heat of the heater element liquid that is cooled is taken away, cooling liquid with heat enters heat dissipation tank by cooling liquid entrance, fully contact along guide plate with heat dissipation tank sidewall, now, as the tower barrel in that region of heat dissipation tank one sidewall, rapidly heat is delivered to other regions of tower barrel, whole tower barrel is made to become a large-scale radiator, because hot gas is toward rising, and the outer natural wind wind-force of the tower cylinder being in eminence is large, natural wind is in the process contacted with tower barrel, rapidly the heat of heat dissipation tank is taken away, make to be positioned at heat dissipation tank to be lowered the temperature rapidly with the cooling liquid of frequency variator heater element heat, cooling liquid after cooling enters pipeline mounted pump by cooling liquid outlet, continue to use.
When blower fan stops generating for a long time, during temperature height than frequency variator of the ambient temperature of frequency variator periphery, can coolant heater be opened, allow the circulatory system work on, make the temperature of frequency variator heater element still higher than the ambient temperature of periphery, avoid frequency variator short circuit.
When blower fan stops generating for a long time, the cooling liquid being positioned at the outer heat dissipation tank of tower cylinder as there is icing phenomenon in winter of cold, before blower fan prepares generating, can be opened coolant heater, make cooling liquid proper flow.
Cooling device of the present utility model, large-area tower barrel is utilized to cool to the cooling liquid in heat dissipation tank as radiator, not only cooling is rapid, energy saving, and can ambient noise be greatly reduced, be one and improve the practicable good scheme of existing wind power generator unit frequency converter cooling system.
Cooling device of the present utility model, is also suitable for generator windings and cooling unshakable in one's determination.
Be more than illustrating of the energy-conservation cooling device embodiment of the utility model wind power generator unit frequency converter; but this embodiment is also not used to limit protection domain of the present utility model; all equivalences not departing from technical solutions of the utility model are implemented or change; as the shape of heat dissipation tank, in the position of tower barrel, cooling liquid imports and exports the change of position, all should be included in scope of the present utility model.

Claims (10)

1. a wind power generator unit frequency converter cooling device, comprise the frequency variator being 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 cooling device also comprises a heat dissipation tank, this heat dissipation tank is flat thin structure and using the part area of tower barrel as casing sidewall, the area of this sidewall is greater than the area of its adjacent each sidewall, heat dissipation tank is provided with cooling liquid entrance and cooling liquid outlet, cooling liquid outlet is connected with pipeline mounted pump by coolant pipe, cooling liquid entrance is connected with the heater element of frequency variator by coolant pipe, make heat dissipation tank, the heater element of pipeline mounted pump and frequency variator forms a circulation loop.
2. wind power generator unit frequency converter cooling device according to claim 1, it is characterized in that: described heat dissipation tank is positioned on tower cylinder outer side wall, cooling liquid entrance is positioned at the top of heat dissipation tank, cooling liquid outlet is positioned at the bottom of heat dissipation tank, and coolant pipe is connected through the cooling liquid entrance of tower barrel and heat dissipation tank and cooling liquid outlet.
3. wind power generator unit frequency converter cooling device according to claim 2, is characterized in that: described in the heat dissipation tank outer side wall be positioned at outside tower cylinder be provided with radiating fin, this radiating fin is positioned on the heat dissipation tank sidewall of side relative to tower barrel.
4. wind power generator unit frequency converter cooling device according to claim 1, is characterized in that: described heat dissipation tank is positioned on tower cylinder madial wall, and cooling liquid entrance is positioned at the top of heat dissipation tank, and cooling liquid outlet is positioned at the bottom of heat dissipation tank.
5. the wind power generator unit frequency converter cooling device according to claim 3 or 4, is characterized in that: be provided with horizontal parallel guide plate in described heat dissipation tank.
6. wind power generator unit frequency converter cooling device according to claim 5, is characterized in that: described cooling device is provided with coolant heater on the coolant pipe between the cooling liquid outlet and pipeline mounted pump of heat dissipation tank.
7. wind power generator unit frequency converter cooling device according to claim 6, is characterized in that: described heat dissipation tank is using tower barrel as the length and width of that side of sidewall for 1-5m × 1-5m, and the thickness of heat dissipation tank is 0.02-0.1m.
8. wind power generator unit frequency converter cooling device according to claim 7, it is characterized in that: described heat dissipation tank is positioned at the cooling system of tower cylinder, be provided with opening at the top of heat dissipation tank, opening is socketed with expanding bag or expansion drum for regulating heat dissipation tank volume; Described heat dissipation tank is positioned at the cooling device outside tower cylinder, and near cooling liquid entrance and the coolant pipe end face being positioned at tower cylinder is provided with opening, opening is socketed with expanding bag or expansion drum for regulating heat dissipation tank volume.
9. wind power generator unit frequency converter cooling device according to claim 8, is characterized in that: described heat dissipation tank is positioned at the cooling system of tower cylinder, is provided with cooling liquid liquid port bottom heat dissipation tank; Described heat dissipation tank is positioned at the cooling device outside tower cylinder, between cooling liquid outlet and pipeline mounted pump, be provided with filter, and filter bottom is provided with cooling liquid liquid port.
10. wind power generator unit frequency converter cooling device according to claim 9, is characterized in that: described heat dissipation tank other sidewalls except tower barrel all adopt corrosion resistant plate to make.
CN201520172609.7U 2015-03-26 2015-03-26 A kind of wind power generator unit frequency converter cooling device Withdrawn - After Issue CN204553115U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
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
CN106888865A (en) * 2017-04-19 2017-06-27 王承辉 The heat produced using frequency converter or inverter carries out the device of warmhouse booth plantation

Cited By (2)

* Cited by examiner, † Cited by third party
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
CN106888865A (en) * 2017-04-19 2017-06-27 王承辉 The heat produced using frequency converter or inverter carries out the device of warmhouse booth plantation

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Granted publication date: 20150812

Effective date of abandoning: 20180130