CN203783822U - Aeration-cooling type tower drum for wind power generation set - Google Patents
Aeration-cooling type tower drum for wind power generation set Download PDFInfo
- Publication number
- CN203783822U CN203783822U CN201420178029.4U CN201420178029U CN203783822U CN 203783822 U CN203783822 U CN 203783822U CN 201420178029 U CN201420178029 U CN 201420178029U CN 203783822 U CN203783822 U CN 203783822U
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- tower cylinder
- cooling type
- intake grill
- tower drum
- wind
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Abstract
The utility model discloses an aeration-cooling type tower drum for a wind power generation set. The aeration-cooling type tower drum comprises a tower drum body (1). A tower base layer platform (2) where an electric component is arranged is arranged at the lower portion of the tower drum body (1), a natural air inlet assembly (3) is arranged on the lateral wall of the tower drum body (1), an upper layer plate (4) is arranged at the upper portion of the tower drum body (1), and an axial flow fan (41) is arranged on the upper layer plate (4) through a hole formed in the upper layer plate. The aeration-cooling type tower drum can fully utilize the chimney effect of hot air flow and heat conduction of the tower drum wall of the tower drum body. Meanwhile, the axial flow fan can further enhance the chimney effect of hot air flow and radiation of the heat conduction of the tower drum wall of the tower drum body. The aeration-cooling type tower drum has the advantages of being good in radiation effect, high in safety and reliability, low in using cost and simple and practical in structure.
Description
Technical field
The utility model relates to wind-powered electricity generation unit relevant device, is specifically related to a kind of ventilation cooling type tower cylinder for wind-powered electricity generation unit.
Background technique
Wind-powered electricity generation unit is generally all provided with the column foot layer platform for mounting electrical parts in the bottom of tower cylinder.Increase along with blower fan rated power, electric component (the current transformer of tower cylinder inside, frequency variator and reactor etc.) operation time can produce a large amount of heats, when especially current transformer moves, heating value is up to more than tens kilowatts, at present in order to strengthen the heat radiation of electric component, fan is generally installed on electric component and forms air-cooled electric component, air-cooled electric component is arranged on the column foot layer platform in tower cylinder, but this space is relatively airtight, the high-temperature gas that during operation, air-cooled electric component distributes cannot obtain in time cooling and shift, can cause the residing tower cylinder of electric component space local temperature too high, especially ambient temperature Gao Shihui has influence on the normal operation of electric component.The existing tower cylinder type of cooling is following two kinds: a kind of is perforate on tower barrel, utilizes air-cooler to carry out heat exchange to the air inside and outside tower cylinder, and this scheme cost is high and to expend man-hour many, a kind of is that the high stack effect that relies on merely hot air (refers to that indoor air is along having the space of vertical bank to rising or declining, cause air to add the phenomenon of strong convection, there is similar chimney feature---there is from bottom to top the building of unobstructed free air space, structure < is as in water tower >, air < comprises that flue gas > is by the effect of density difference, along passage, spread very soon or discharge the phenomenon of building) and the tower barrel in electric component that layer of tower cylinder space of installing dispel the heat, this scheme is because the heat exchanging function of tower barrel is limited, in ambient temperature, compared with Gao Shihui, cause local superheating, directly have influence on the normal operation of electric component.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of heat conduction that can make full use of the high stack effect of hot air flow and the tower barrel of tower cylinder body, by axial-flow blower, can further strengthen the heat conducting heat radiation of the high stack effect of hot air flow and tower barrel simultaneously, there is good heat dissipation effect, safety reliability is high, user cost is low, the simple for structure ventilation cooling type tower cylinder for wind-powered electricity generation unit.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of ventilation cooling type tower cylinder for wind-powered electricity generation unit, comprise tower cylinder body, the bottom of described tower cylinder body is provided with the column foot layer platform for mounting electrical parts, the sidewall of described tower cylinder body is provided with natural air inlet assembly, the top of described tower cylinder body is provided with top plate, on described top plate, by perforate, axial-flow blower is installed.
Further, described natural air inlet assembly comprises the tower cylinder door being hingedly mounted on tower cylinder body, the top of described tower cylinder door is equiped with at least one first intake grill, and described the first intake grill is located at the upside of column foot layer platform, and described the first intake grill place is provided with blinds.
Further, described blinds is provided with filter cotton by a side of tower cylinder chamber body.
Further, the bottom of described tower cylinder door is equiped with at least one second intake grill, and described the second intake grill is located at the downside of column foot layer platform, and the outside of described the second intake grill is provided with stainless steel mesh, and the inner side of described the second intake grill is provided with anti-thefting strip.
Further, the bottom of described tower cylinder door is provided with a plurality of the 3rd intake grills, and described the 3rd intake grill is located at the downside of column foot layer platform.
Further, the two ends of described tower cylinder door are semicircle.
Further, the inlets and putlets of ventilation of described axial-flow blower is all furnished with protective net.
Further, the ventilation of described axial-flow blower is larger 20% than the ventilation of the air-cooled electric component of installing on column foot layer platform, and the blast of described axial-flow blower is 200Pa~400 Pa, and described axial-flow blower mounting arrangements is directly over air-cooled electric component.
The utility model has following advantage for the ventilation cooling type tower cylinder of wind-powered electricity generation unit: the hot air of the utility model when running electric component moves can be based on high stack effect automatic-ascending, hot air in uphill process constantly and tower tube wall surface carry out heat exchange, the final hot air automatically perforate from the axial-flow blower top plate of installing is discharged, the negative pressure forming can make outside cool air along natural air inlet assembly, enter the inside of tower cylinder body, can make full use of the heat conduction of the high stack effect of hot air flow and the tower barrel of tower cylinder body, top due to tower cylinder body of the present utility model is provided with top plate simultaneously, on top plate, by perforate, axial-flow blower is installed, by the axial-flow blower exhaust that makes progress, can also initiatively promote the flow velocity of tower cylinder body interior air, thereby can further strengthen the heat conducting heat radiation of the high stack effect of hot air flow and tower barrel by axial-flow blower, than the high stack effect of simple dependence hot air and the conduction of the heat of tower barrel, the ventilation cooling scheme that does not add any ancillary method, cooling capacity of the present utility model obviously strengthens, electric component ambient air temperature in energy fast reducing tower cylinder, in low cost, on the basis of high reliability, met the radiating requirements of the electric component operation that comprises current transformer in tower cylinder, there is good heat dissipation effect, safety reliability is high, user cost is low, advantage simple for structure.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment's structural representation.
Fig. 2 is the mounting structure schematic diagram of Fig. 1 Axial-Flow blower fan and protective net.
Fig. 3 is the structural representation of natural air inlet assembly in the utility model embodiment.
Fig. 4 is the side-looking structural representation of blinds in the utility model embodiment.
Fig. 5 is the sectional structure schematic diagram of tower cylinder door bottom in the utility model embodiment.
Marginal data: 1, tower cylinder body; 2, column foot layer platform; 21, air-cooled electric component; 3, natural air inlet assembly; 31, tower cylinder door; 32, the first intake grill; 321, blinds; 322, filter cotton; 33, the second intake grill; 331, stainless steel mesh; 332, anti-thefting strip; 34, the 3rd intake grill; 4, top plate; 41, axial-flow blower; 42, protective net.
Embodiment
As shown in Figure 1, the present embodiment comprises tower cylinder body 1 for the ventilation cooling type tower cylinder of wind-powered electricity generation unit, the bottom of tower cylinder body 1 is provided with the column foot layer platform 2 for mounting electrical parts, the sidewall of tower cylinder body 1 is provided with natural air inlet assembly 3, the top of tower cylinder body 1 is provided with top plate 4, on top plate 4, by perforate, axial-flow blower 41 is installed.The present embodiment can make full use of the heat conduction of the high stack effect of hot air flow and the tower barrel of tower cylinder body 1, simultaneously owing to by perforate, axial-flow blower 41 being installed on top plate 4, axial-flow blower 41 has the gas of promotion and is parallel to the mobile function of fan shaft, axial-flow blower 41 is used in traffic requirement conventionally compared with occasion high and that pressure requirement is lower, the hot air producing while siphoning away the operation of mounting electrical parts on column foot layer platform 2 with axial-flow blower 41, when tower cylinder body 1 inner air pressure step-down, just can be constantly by natural air inlet assembly 3, by natural air inlet (blast that utilizes hot pressing that the density difference of tower cylinder body 1 inner air and outer air causes or tower cylinder body 1 outer air motion to cause is introduced the outer fresh air of tower cylinder and reached ventilation effect), supplement new wind, the supplementary pressure that has not only guaranteed tower cylinder inside of the new wind that temperature is lower, it is also simultaneously the cooling low-temperature receiver that provides of the electric components such as current transformer, electric component ambient air temperature can effectively be reduced, meet its radiating requirements, the turbulent flow that has effectively utilized the high stack effect of hot air and strengthened air in tower cylinder (mixes and doping between each fluid micellar consumingly, not only there is moving along main flow direction, and also has the motion perpendicular to main flow direction), and then strengthened the heat exchange efficiency of the tower barrel of tower cylinder body 1, by low cost, the tower barrel that high efficiency mode efficiently solves the tower cylinder body 1 of the prior art not enough problem of dispelling the heat, solved the cooling problem of ventilation that the residing relatively airtight tower cylinder space of air-cooled electric component 21 is installed on column foot layer platform 2 in wind-powered electricity generation unit, meet the normal radiating requirements of ambient temperature electric component when high, cost is low, simple in structure, cooling capacity has guaranteed by force and to a certain extent the security level of tower cylinder.
In the present embodiment, the ventilation of axial-flow blower 41 is than the ventilation of the air-cooled electric component 21 of installing on column foot layer platform 2 large 20%, the blast of axial-flow blower 41 is 200Pa~400 Pa, and axial-flow blower 41 mounting arrangements are directly over air-cooled electric component 21.By arranging, the ventilation of axial-flow blower 41 is larger 20% than the ventilation of the air-cooled electric component 21 of installing on column foot layer platform 2, the blast of axial-flow blower 41, make axial-flow blower 41 can guarantee the cooling down to tower cylinder body 1 inner chamber, make again axial-flow blower 41 there is lower energy consumption, can reduce the user cost of axial-flow blower 41 simultaneously; In addition by the mounting point of axial-flow blower 41, the air-cooled electric component 21 that makes to install on column foot layer platform 2 can be positioned at the fiercest place of the wadding stream that axial-flow blower 41 causes, thereby guarantees the cooling-down effect of 41 pairs of air-cooled electric components 21 of axial-flow blower.In the present embodiment, the ventilation of axial-flow blower 41 is specifically than the ventilation of the air-cooled electric component 21 of installing on column foot layer platform 2 large 20%, the ventilation that is axial-flow blower 41 is 1.2 times of ventilation of the air-cooled electric component 21 installed on column foot layer platform 2, and the blast of axial-flow blower 41 is 200Pa.
As depicted in figs. 1 and 2, the inlets and putlets of ventilation of axial-flow blower 41 is all furnished with protective net 42, by protective net 42, can effectively avoid axial-flow blower 41 to suck foreign material and guarantee attendant's safety, guarantees the normal operation of axial-flow blower 41.
As shown in figures 1 and 3, natural air inlet assembly 3 comprises the tower cylinder door 31 being hingedly mounted on tower cylinder body 1, the top of tower cylinder door 31 is equiped with the upside that two the first intake grill 32, the first intake grills 32 are located at column foot layer platform 2, and the first intake grill 32 places are provided with blinds 321.The present embodiment, by the first intake grill 32 places, blinds 321 being installed, both can be realized the ventilation of the first intake grill 32, can play to the first intake grill 32 effect of protection again.In the present embodiment, the size of the first intake grill 32 is 440x340mm, in addition also can be under total big or small constant prerequisite, and magnitude setting is the first one or more intake grill 32, equally also can realize identical air inlet effect.
As shown in Figure 3, the two ends of the tower cylinder door 31 in the present embodiment are semicircle, when tower cylinder door 31 is opened; take up room less; and two ends are semicircle and are not with wedge angle, during equipment in tower of wind generating set cylinder is installed, effectively protection equipment is not easy by collsion damage.
As shown in Figure 3 and Figure 4, blinds 321 is provided with filter cotton 322 by a side of tower cylinder body 1 inner chamber, filter cotton 322 can play the effect of filtration to the air intake of the first intake grill 32, prevent that foreign material from sucking in tower cylinder body 1, thereby guarantees the safety of 2 mounting electrical parts of column foot layer platform.
As shown in Fig. 1, Fig. 3 and Fig. 5, the bottom of tower cylinder door 31 (semi-circular portion of bottom) is equiped with two the second intake grills 33, the second intake grill 33 is located at the downside (in Fig. 3, the horizontal stripe of the second intake grill 33 upsides is the position of column foot layer platform 2) of column foot layer platform 2, the inner side that the outside of the second intake grill 33 is provided with stainless steel mesh 331, the second intake grills 33 is provided with anti-thefting strip 332.The second intake grill 33 is located at the downside of column foot layer platform 2, can guarantee to have natural wind to enter from the bottom of air-cooled electric component 21, thereby can effectively drive the heat of air-cooled electric component 21 bottoms, and can anti-toy and foreign material by stainless steel mesh 331 and anti-thefting strip 332, guarantee the water proof and dust proof of the second intake grill 33 air intakes; Meanwhile, the second intake grill 33 can also, as the reserved opening of two side dress axial fans, cannot meet in particular cases leaving of heat radiation requirement at natural air inlet and force putting on record of air intake simultaneously.
As shown in figures 1 and 3, the bottom of tower cylinder door 31 is provided with a plurality of the 3rd intake grills 34, the 3rd intake grill 34 is located at the downside of column foot layer platform 2, the 3rd intake grill 34 can maximally utilise the bottom of tower cylinder door 31 and create air intake space, and the circular hole of the 3rd intake grill 34 can be used as the preformed hole of walking pipe and cabling of follow-up use water-cooling type electric component simultaneously.The quantity of the 3rd intake grill 34, size and shape can be arranged according to the shape of the bottom of tower cylinder door 31.In the present embodiment, the 3rd intake grill 34 is the circular port of φ 50 mm, and the total quantity of the 3rd intake grill 34 is 12.
It should be noted that, in the present embodiment, by the first intake grill 32, the second intake grill 33, the 3rd intake grill 34 3 class intake grill combinations, realize, cool air outside tower cylinder body 1 can be entered in tower cylinder body 1 smoothly, and guarantee the cooling required natural air inlet area of electric component.But, between the first intake grill 32, the second intake grill 33, the 3rd intake grill 34 threes, not interdepend, certainly can revise design the first intake grill 32, the second intake grill 33, the 3rd intake grill 34 threes air-admitting surface separately, under the prerequisite that guarantees equal incoming air area, select a certain, certain two kinds more intake grill is even set.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technological schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. the ventilation cooling type tower cylinder for wind-powered electricity generation unit, comprise tower cylinder body (1), it is characterized in that: the bottom of described tower cylinder body (1) is provided with the column foot layer platform (2) for mounting electrical parts, the sidewall of described tower cylinder body (1) is provided with natural air inlet assembly (3), the top of described tower cylinder body (1) is provided with top plate (4), and described top plate (4) is upper is provided with axial-flow blower (41) by perforate.
2. the ventilation cooling type tower cylinder for wind-powered electricity generation unit according to claim 1, it is characterized in that: described natural air inlet assembly (3) comprises the tower cylinder door (31) being hingedly mounted on tower cylinder body (1), the top of described tower cylinder door (31) is equiped with at least one first intake grill (32), described the first intake grill (32) is located at the upside of column foot layer platform (2), and described the first intake grill (32) locates to be provided with blinds (321).
3. the ventilation cooling type tower cylinder for wind-powered electricity generation unit according to claim 2, is characterized in that: described blinds (321) is provided with filter cotton (322) by a side of tower cylinder body (1) inner chamber.
4. the ventilation cooling type tower cylinder for wind-powered electricity generation unit according to claim 3, it is characterized in that: the bottom of described tower cylinder door (31) is equiped with at least one second intake grill (33), described the second intake grill (33) is located at the downside of column foot layer platform (2), the outside of described the second intake grill (33) is provided with stainless steel mesh (331), and the inner side of described the second intake grill (33) is provided with anti-thefting strip (332).
5. the ventilation cooling type tower cylinder for wind-powered electricity generation unit according to claim 4, is characterized in that: the bottom of described tower cylinder door (31) is provided with a plurality of the 3rd intake grills (34), and described the 3rd intake grill (34) is located at the downside of column foot layer platform (2).
6. the ventilation cooling type tower cylinder for wind-powered electricity generation unit according to claim 5, is characterized in that: the two ends of described tower cylinder door (31) are for semicircle.
7. according to the ventilation cooling type tower cylinder for wind-powered electricity generation unit described in any one in claim 1~6, it is characterized in that: the inlets and putlets of ventilation of described axial-flow blower (41) is all furnished with protective net (42).
8. the ventilation cooling type tower cylinder for wind-powered electricity generation unit according to claim 7, it is characterized in that: the ventilation of described axial-flow blower (41) is than the ventilation large 20% of the air-cooled electric component (21) of installing on column foot layer platform (2), the blast of described axial-flow blower (41) is 200Pa~400Pa, and described axial-flow blower (41) mounting arrangements is directly over air-cooled electric component (21).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420178029.4U CN203783822U (en) | 2014-04-14 | 2014-04-14 | Aeration-cooling type tower drum for wind power generation set |
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CN201420178029.4U CN203783822U (en) | 2014-04-14 | 2014-04-14 | Aeration-cooling type tower drum for wind power generation set |
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CN201420178029.4U Expired - Fee Related CN203783822U (en) | 2014-04-14 | 2014-04-14 | Aeration-cooling type tower drum for wind power generation set |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105089943A (en) * | 2015-08-10 | 2015-11-25 | 北京金风科创风电设备有限公司 | Wind generating set cooling system and wind generating set |
CN105781900A (en) * | 2014-12-25 | 2016-07-20 | 浙江运达风电股份有限公司 | Wind turbine generator set and ventilation cooling system |
CN105927482A (en) * | 2016-05-26 | 2016-09-07 | 远景能源(江苏)有限公司 | Wind power generation closed tower bottom active secondary air-cooling system and control method thereof |
CN109667729A (en) * | 2017-10-13 | 2019-04-23 | 中车株洲电力机车研究所有限公司 | A kind of Wind turbines high-efficiency cooling tower cylinder |
CN110219501A (en) * | 2019-07-03 | 2019-09-10 | 嘉汶设备(扬州)有限公司 | A kind of container-type exhaust chimney and container-type generating set |
CN111163611A (en) * | 2018-11-21 | 2020-05-15 | 中国船舶重工集团海装风电股份有限公司 | Wind turbine generator system tower section of thick bamboo heat abstractor |
CN112311297A (en) * | 2020-10-14 | 2021-02-02 | 青岛中加特电气股份有限公司 | Frequency conversion all-in-one machine |
CN113629643A (en) * | 2021-08-10 | 2021-11-09 | 许继集团有限公司 | Movable ice melting device for power transmission line |
-
2014
- 2014-04-14 CN CN201420178029.4U patent/CN203783822U/en not_active Expired - Fee Related
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105781900A (en) * | 2014-12-25 | 2016-07-20 | 浙江运达风电股份有限公司 | Wind turbine generator set and ventilation cooling system |
CN105089943A (en) * | 2015-08-10 | 2015-11-25 | 北京金风科创风电设备有限公司 | Wind generating set cooling system and wind generating set |
CN105089943B (en) * | 2015-08-10 | 2019-02-15 | 北京金风科创风电设备有限公司 | Wind generating set cooling system and wind generating set |
CN105927482A (en) * | 2016-05-26 | 2016-09-07 | 远景能源(江苏)有限公司 | Wind power generation closed tower bottom active secondary air-cooling system and control method thereof |
CN109667729A (en) * | 2017-10-13 | 2019-04-23 | 中车株洲电力机车研究所有限公司 | A kind of Wind turbines high-efficiency cooling tower cylinder |
CN111163611A (en) * | 2018-11-21 | 2020-05-15 | 中国船舶重工集团海装风电股份有限公司 | Wind turbine generator system tower section of thick bamboo heat abstractor |
CN110219501A (en) * | 2019-07-03 | 2019-09-10 | 嘉汶设备(扬州)有限公司 | A kind of container-type exhaust chimney and container-type generating set |
CN112311297A (en) * | 2020-10-14 | 2021-02-02 | 青岛中加特电气股份有限公司 | Frequency conversion all-in-one machine |
CN112311297B (en) * | 2020-10-14 | 2022-07-05 | 青岛中加特电气股份有限公司 | Frequency conversion all-in-one machine |
CN113629643A (en) * | 2021-08-10 | 2021-11-09 | 许继集团有限公司 | Movable ice melting device for power transmission line |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20200414 |