CN206753832U - Tower ventilation unit, tower barrel of wind generating set and wind power generating set - Google Patents
Tower ventilation unit, tower barrel of wind generating set and wind power generating set Download PDFInfo
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- CN206753832U CN206753832U CN201720538289.1U CN201720538289U CN206753832U CN 206753832 U CN206753832 U CN 206753832U CN 201720538289 U CN201720538289 U CN 201720538289U CN 206753832 U CN206753832 U CN 206753832U
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- 238000009423 ventilation Methods 0.000 title claims abstract description 60
- 238000001816 cooling Methods 0.000 claims description 30
- 239000010865 sewage Substances 0.000 claims description 12
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 239000000428 dust Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 239000004576 sand Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000003467 diminishing effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000007 visual effect 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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- 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
- Y02E10/728—Onshore wind turbines
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Abstract
It the utility model is related to a kind of tower ventilation unit, tower barrel of wind generating set and wind power generating set, tower ventilation unit includes gas channel, the gas channel includes air inlet and air outlet, dividing plate is provided with the gas channel, air pressure channel is provided with the dividing plate, the air pressure channel communicates with the air inlet and the air outlet, and the air pressure channel includes choke, and the sectional dimension of the choke is gradually reduced along air flow direction.The air-flow that tower ventilation unit, tower barrel of wind generating set and wind power generating set provided by the utility model can flow into the external world cools down, and meets the needs of unit.
Description
Technical field
Technical field of wind power is the utility model is related to, more particularly to a kind of tower ventilation unit, wind power generating set tower
Cylinder and wind power generating set.
Background technology
Wind-driven generator is a kind of equipment for converting wind energy into electric energy, mainly including cabin, generator, impeller, tower
Four parts.The tower part crucial as wind power generating set, the critical passage of wind power generating set generated energy output is not only,
And the Important Platform of the powerful support of unit safety operation, even more unit ventilation and heat.In order to effectively realize the ventilation of unit
Radiating, prevents that equipment produces failure due to overheat in tower, ventilation unit is devised in tower door corresponding position, to reduce
Device temperature in tower.
But existing tower ventilation unit such as blinds apparatus, it can only play ventilation and dust-proof effect, to tower
Extraneous air introducing tower is simply simply internally formed air circulation and followed by the air that outside enters without the function of cooling
Ring.When outside air temperature is higher, so simple ventilation unit causes original air inside tower and introduced via ventilation unit
Air between the temperature difference it is smaller, sufficient heat exchange can not be carried out in cyclic process, to tower internal environment heat sinking function
Deficiency, it is impossible to meet the cooling requirement of unit in tower.
Therefore, a kind of new tower ventilation unit, tower barrel of wind generating set and wind power generating set are needed badly.
Utility model content
The utility model embodiment provides a kind of tower ventilation unit, tower barrel of wind generating set and wind power generating set,
The air-flow that can be flowed into the external world cools down, and meets the needs of unit.
On the one hand, a kind of tower ventilation unit is proposed according to the utility model embodiment, including gas channel, air-flow lead to
Road includes air inlet and air outlet, and dividing plate is provided with gas channel, and air pressure channel is provided with dividing plate, and air compression is logical
Road communicates with air inlet and air outlet, and air pressure channel includes choke, the sectional dimension of choke along air flow direction by
It is tapered small.
According to the one side of the utility model embodiment, the quantity of air pressure channel is one, or, air compression
The quantity of passage is two or more, and two or more air pressure channel is evenly distributed on dividing plate.
According to the one side of the utility model embodiment, choke be cone, pyramid, it is any of spherical or
Multiple combinations.
According to the one side of the utility model embodiment, dividing plate includes front supporting plate and rear carrier plate, front supporting plate and rear carrier plate
Parallel and be disposed in gas channel, air pressure channel is configured to the pipeline with choke, and pipeline is fixed peace
Between front supporting plate and rear carrier plate.
According to the one side of the utility model embodiment, dividing plate includes front end face and rear end face, air pressure channel quilt
It is configured to connect front end face and rear end face and the through hole with choke.
According to the one side of the utility model embodiment, be additionally provided with screen pack in gas channel, screen pack be located at into
Between air port and dividing plate, a pre-determined distance is kept between the entrance and screen pack of air pressure channel.
According to the one side of the utility model embodiment, tower ventilation unit also includes shutter, and shutter is arranged on
The air inlet of gas channel.
According to the one side of the utility model embodiment, a pre-determined distance is kept between shutter and screen pack.
According to the one side of the utility model embodiment, set on the lower wall of the gas channel between shutter and screen pack
Sewage draining exit is equipped with, sewage draining exit is connected with openable cover plate.
On the other hand, a kind of tower barrel of wind generating set is provided according to the utility model embodiment, in wind-power electricity generation
The wall of set tower drum is provided with air flow inlet and air stream outlet, and air flow inlet and air stream outlet are inside tower barrel of wind generating set
Connection forms cooling duct, and above-mentioned tower ventilation unit is set on air flow inlet.
According to the other side of the utility model embodiment, the height of air flow inlet is higher than the height of air stream outlet.
According to the other side of the utility model embodiment, outside the tower barrel of wind generating set of the top of air stream outlet
Wall is provided with baffle plate, and the outer wall of baffle plate from tower barrel of wind generating set is outside and extends downwardly.
According to the other side of the utility model embodiment, used in the cooling channel provided with axial flow blower, axial flow blower
Air discharge inside by tower barrel of wind generating set.
According to the other side of the utility model embodiment, the sewage draining exit of tower ventilation unit is located at wind power generating set
The outside of tower.
Another aspect, a kind of wind power generating set, including above-mentioned wind-force hair are provided according to the utility model embodiment
Group of motors tower.
To sum up, the tower ventilation unit that the utility model embodiment provides, is provided with dividing plate in gas channel, and every
Air pressure channel is provided with plate, when air-flow enters gas channel by air inlet, due to the barrier of dividing plate, forces air-flow only
Can be by air pressure channel by because air pressure channel includes sectional dimension along the diminishing necking of air flow direction
Portion, when air-flow passes through choke, compressed in choke interior air-flow, heat can be discharged during compression, i.e., can be incited somebody to action
Air-flow with certain heat makes it discharge heat by the compression of choke, and then air-flow is cooled, and the gas after cooling
Stream is fed to inside unit, to meet the cooling requirement of unit.
The tower barrel of wind generating set and wind power generating set that the utility model embodiment provides, including the ventilation of above-mentioned tower
Device so that tower barrel of wind generating set external environment condition thermal current is sent out by being input to wind-force after the compression cooling of tower ventilation unit
In group of motors tower, the air-flow after cooling and original Air Temperature Difference inside tower barrel of wind generating set are larger, can be sent out with wind-force
Air in group of motors tower carries out sufficient heat exchange, meets the cooling requirement of unit, reduces tower barrel of wind generating set
Interior apparatus overheat fault rate.
Brief description of the drawings
The feature of the utility model exemplary embodiment, advantage and technique effect described below with reference to the accompanying drawings.
Fig. 1 is the overlooking the structure diagram of the tower ventilation unit of the utility model one embodiment；
Fig. 2 is along the sectional view in A-A directions in Fig. 1；
Fig. 3 is the structural representation of the dividing plate of the utility model another embodiment；
Fig. 4 is the working state schematic representation of the tower ventilation unit of the utility model one embodiment；
Fig. 5 is the structural representation of the tower barrel of wind generating set of the utility model one embodiment.
Wherein：
1- tower barrel of wind generating set；
100- tower ventilation units；
10- gas channels；11- air inlets；12- air outlets；13- first flanges；The flanges of 14- the 3rd；
20- screen packs；The connection sheets of 21- first；22- screws；
30- dividing plates；31- front supporting plates；32- rear carrier plates；The connection sheets of 33- second；34- screws；31a- front end faces；32a- rear ends
Face；
40- air pressure channels；
50- shutters；51- second flanges；52- bolts；53- nuts；
60- sewage draining exits；
70- cover plates；
101- air flow inlets；102- air stream outlets；103- cooling ducts；104- baffle plates；105- axial flow blowers.
Embodiment
Embodiment of the present utility model is described in further detail with reference to the accompanying drawings and examples.Following examples
The detailed description and the accompanying drawings be used to exemplarily illustrate principle of the present utility model, but can not be used for limiting model of the present utility model
Enclose, i.e., the utility model is not limited to described embodiment.
In description of the present utility model, it is necessary to explanation, unless otherwise indicated, " some " be meant that one or
More than one；" multiple " are meant that two or more；Term " on ", " under ", "left", "right", " interior ", " outer ", " preceding
End ", " rear end ", " head ", the orientation of the instruction such as " afterbody " or position relationship be based on orientation shown in the drawings or position relationship,
It is for only for ease of description the utility model and simplifies and describe, rather than indicates or imply that signified device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term
" first ", " second ", " the 3rd " etc. are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it is also necessary to explanation, unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary.
For the ordinary skill in the art, the above-mentioned term of visual concrete condition understanding specifically containing in the utility model
Justice.
In order to more fully understand the utility model, led to reference to Fig. 1 to Fig. 4 according to the tower of the utility model embodiment
Wind apparatus is described in detail.
Refer to Fig. 1, Fig. 2, the tower ventilation unit 100 that the utility model embodiment provides, including gas channel 10, gas
Circulation road 10 includes air inlet 11 and air outlet 12, is provided with dividing plate 30 in gas channel 10, air pressure is provided with dividing plate 30
Contracting passage 40, air pressure channel 40 communicate with air inlet 11 and air outlet 12, and air pressure channel 40 includes choke, necking
The sectional dimension in portion is gradually reduced along air flow direction.
Thus, the tower ventilation unit 100 of the utility model embodiment, by being provided with dividing plate in gas channel 10
30, and air pressure channel 40 is provided with dividing plate 30, when air-flow enters gas channel 10 by air inlet 11, due to dividing plate
30 barrier, force air-flow can only by air pressure channel 40 by, due to air pressure channel 40 include sectional dimension along
The diminishing choke of air flow direction, when air-flow passes through choke, compressed in choke interior air-flow, in the process of compression
In can discharge heat, i.e., by the compression of choke its can be made to discharge heat in the air-flow with certain heat, and then make gas
Stream cooling, and the air-flow after cooling is fed to inside unit, to meet the cooling requirement of unit.
Specifically, in the present embodiment, air inlet 11 and air outlet 12 are separately positioned on the both sides of gas channel 10, dividing plate 30
Including front supporting plate 31 and rear carrier plate 32, front supporting plate 31 and rear carrier plate 32 are parallel and be disposed in gas channel 10, front supporting plate
31 are located at close to the side of air inlet 11, and rear carrier plate 32 is located at close to the side of air outlet 12, is set in the periphery of front supporting plate 31
Have the second connection sheet 33, second connection sheet 33 be fixed on the inwall of gas channel 10 by screw 34, front supporting plate 31 and after
The periphery of support plate 32 is bonded completely with the inwall of gas channel 10.Air pressure channel 40 is configured to the pipe with choke
Road, mounting hole is correspondingly arranged on front supporting plate 31 and on rear carrier plate 32, pipeline is between front supporting plate 31 and rear carrier plate 32 and manages
The both ends in road are respectively and fixedly installed in the mounting hole of front supporting plate 31 and rear carrier plate 32, the axis of pipeline and front supporting plate 31 and after
Support plate 32 is vertical.It is understood that the fixed form of dividing plate 30 and the inwall of gas channel 10 is not limited in above-mentioned form,
In some optional embodiments, slot can also be set in the side wall of gas channel 10, by the front supporting plate 31 of dividing plate 30 and
Rear carrier plate 32 is fixed in gas channel 10 by slot, or the front supporting plate 31 of dividing plate 30 and rear carrier plate 32 are directly welded admittedly
It is scheduled on the first-class a variety of fixed forms of inwall of gas channel 10.
The quantity of air pressure channel 40 can be two or more, and two or more air pressure channel 40 is evenly distributed in
Exemplary on dividing plate 30, the present embodiment includes 25 air pressure channels, 40,25 air pressure channels 40 and arranged in 5 rows 5
Be evenly distributed on dividing plate 30, each air pressure channel 40 includes choke, and choke is cone, choke it is big
End face is to air inlet 11, and small end is towards air outlet 12.
It is understood that when air pressure channel 40 is two or more, can also be by the way of non-homogeneous arrangement.
Certainly, the quantity of air pressure channel 40 is not limited in two or more, or and one, when the number of air pressure channel 40
Measure for one when, be preferably arranged in the center position of dividing plate 30.Meanwhile choke is not limited only to cone, as long as can
Meet that the sectional dimension of choke is gradually reduced to produce compression to air-flow along air flow direction, it is such as optional at some
Embodiment in, choke can also use pyramid, spherical, or cone, pyramid and spherical combining form, work as lock
When oral area is spherical, preferably using hemispherical.
As an alternative embodiment, be additionally provided with screen pack 20 in gas channel 10, screen pack 20 be located at into
Between air port 11 and dividing plate 30, a pre-determined distance is kept between the entrance and screen pack 20 of air pressure channel 40.
Specifically, in the present embodiment, the outer contour shape of screen pack 20 is identical with the cross sectional shape of gas channel 10, in mistake
The periphery of filter screen 20 is provided with the first connection sheet 21, and the first connection sheet 21 is fixed on to the inwall of gas channel 10 by screw 22
On, the periphery of screen pack 20 is bonded completely with the inwall of gas channel 10.It is understood that screen pack 20 and gas channel 10
Fixed form be not limited in above-mentioned form, can also be in the side wall of gas channel 10 in some optional embodiments
Slot is set, screen pack 20 is fixed in gas channel 10 by slot, or screen pack 10 is directly welded at air-flow and led to
The first-class a variety of fixed forms of inwall in road 10.
By setting screen pack 20 in air pressure channel 40, the air-flow entered by air inlet 11 can be carried out
Filter, the cleannes of air-flow are improved, meanwhile, a pre-determined distance is kept between the entrance and screen pack 20 of air pressure channel 40, with
The diffusion area of air-flow after increase is filtered by screen pack 20, ensure that more air-flows flow into air pressure channel 40.
As an alternative embodiment, tower ventilation unit 100 also includes shutter 50, shutter 50 is arranged on gas
At the air inlet 11 of circulation road 10, the outer contour shape of shutter 50 is identical with the cross sectional shape of gas channel 10, gas channel
First flange 13 is provided with air inlet 11 on 10 outer wall, second flange 51 is provided with the end face of shutter 50, the
One flange 13 is connected with second flange 51 by bolt 52 and nut 53, and shutter 50 is arranged on to the air intake of gas channel 10
At mouth 11, the louvre blade of shutter 50 is in certain angle of inclination.It is understood that the fixation of shutter 50 and gas channel 10
Mode is not limited in above-mentioned form, in some optional embodiments, can also set and insert in the side wall of gas channel 10
Groove, shutter 50 is fixed at the air inlet 11 of gas channel 10 by slot, or shutter 50 is directly welded at gas
A variety of fixed forms such as at the air inlet 11 of circulation road 10.
By setting shutter 50 effectively to stop, bulky grain dust storm enters inside gas channel 10, protects screen pack
20th, the structure from damage such as air pressure channel 40.
Tower ventilation unit of the prior art is blinds apparatus, and its screen pack 20 and shutter 50 paste very near,
Although such design the draught capacity and dirt exclusion capabilities that can improve tower ventilation unit to a certain extent, by
Directly be in contact in screen pack 20 with external environment, it is easy to blocked by the particle in environment and sand and dust, so as to lose filtering with
Draught effect.Therefore, the utility model keeps one to preset in some optional embodiments, between shutter 50 and screen pack 20
Distance, the pre-determined distance can be set according to the specific size of tower ventilation unit 100.
By making to keep a pre-determined distance between shutter 50 and screen pack 20 so that flow through the air-flow operation of shutter 50
Sand and dust into air-flow during screen pack 20 under gravity can idle running from dropping, and then most of sand and dust are got rid of, prevented
Screen pack 20 is blocked, and extends the service life of screen pack 20, reduces the replacement frequency of screen pack 20, meanwhile, improve tower and lead to
The functional reliability of wind apparatus 100.
In some optional embodiments, set on the lower wall of the gas channel 10 between shutter 50 and screen pack 20
Have sewage draining exit 60, sewage draining exit 60 is connected with openable cover plate 70, specifically, cover plate 70 can pass through with the edge of sewage draining exit 60 it is tight
Firmware is fixedly connected or is connected through the hinge.
By setting sewage draining exit 60 and cover plate 70, after the building up inside of gas channel 10 certain dust, opening can be passed through
Cover plate 70 is cleared up, to ensure the ventilation filter effect of tower ventilation unit 100.
Have in some embodiments, dividing plate 30 can also use other forms, and also referring to Fig. 3, dividing plate 30 can be tool
There are certain thickness plate, including front end face 31a and rear end face 32a, type of attachment and foregoing reality of the dividing plate 30 with gas channel 10
Apply example it is consistent (i.e. front end face 31a is located at close to the side of air inlet 11, rear end face 32a positioned at the side of close air outlet 12,
The periphery of dividing plate 30 is provided with the second connection sheet 33, and the second connection sheet 33 is fixed on to the inwall of gas channel 10 by screw 22
On, the periphery of dividing plate 30 is bonded completely with the inwall of gas channel 10), air pressure channel 40 is configured to connect front end face
31a and rear end face 32a and the through hole with choke, choke are cone, and the large end face of choke is to air inlet 11, necking
The small end in portion uses above-mentioned form, also can towards air outlet 12, the structure and fit system of dividing plate 30 and air pressure channel 40
It is enough it is discharged heat by the compression of choke in the air-flow with certain heat, and then air-flow is cooled, to meet unit
Cooling requirement.It is understood that in the present embodiment, the fixed form of dividing plate 30 and the inwall of gas channel 10 simultaneously not only limits
In above-mentioned form, in some optional embodiments, slot can also be set in the side wall of gas channel 10, dividing plate 30 is led to
Slot is crossed to be fixed in gas channel 10, or dividing plate 30 is directly weldingly fixed on gas channel 10 inwall it is first-class a variety of solid
Determine mode.
Referring to Fig. 4, the utility model tower ventilation unit 100 is at work, the thermal current with dust storm is by air inlet
11 enter, and the bulky grain in dust storm is blocked in outer and is fallen by the louvre blade of shutter 50；Into inside dust storm, due to by
The resistance of shutter 50 and reduce the speed of service, idle running is run in gas channel 10, and larger particles are due to gravity in air-flow
Effect, shutter 50 between screen pack 20 can idle running from dropping, on the lower wall for dropping down onto gas channel 10；With molecule
Thermal current continue move ahead and filtered out by screen pack 20, molecule by screen pack 20；Thermal current after filtering is by air
Pressure channel 40 enters, and is compressed by the choke in air pressure channel 40, and thermal current is changed into cold airflow after overcompression, with
Complete the cooling and dedusting work to air-flow.
The tower ventilation unit 100 that the utility model embodiment provides, is set by the air inlet 11 in gas channel 10
Shutter 50 and the screen pack 20 set in gas channel 10, can be successively to entering the air-flow in tower ventilation unit 100
Filtered, to ensure the cleannes of the air-flow entered in tower ventilation unit 100.Kept between shutter 50 and screen pack 20
One pre-determined distance so that flow through the sand and dust that the air-flow of shutter 50 is run into air-flow during screen pack 20 and under gravity can
Idle running gets rid of most of sand and dust from drop, prevents screen pack 20 to be blocked, and extends the service life of screen pack 20.Together
When, by being provided with dividing plate 30 in gas channel 10, and air pressure channel 40 is provided with dividing plate 30, when air-flow is by entering
When air port 12 enters gas channel 10, due to the barrier of dividing plate 30, force air-flow can only be by the choke of air pressure channel 40
By when air-flow passes through choke, being compressed in choke interior air-flow, heat can be discharged during compression, and then make
Air-flow cools, and meets the needs of unit.
Please refer to fig. 5, according to one embodiment of the present utility model, a kind of tower barrel of wind generating set is additionally provided
1, air flow inlet 101 and air stream outlet 102, air flow inlet 101 and air stream outlet are provided with the wall of tower barrel of wind generating set 1
102 inside tower barrel of wind generating set 1 connection form cooling duct 103, any of the above-described implementation is set on air flow inlet 101
Example tower ventilation unit 100.
By setting tower ventilation unit 100 on tower barrel of wind generating set 1 so that outside tower barrel of wind generating set 1
Portion's environment thermal current after the compression cooling of tower ventilation unit 100 by being input in tower barrel of wind generating set 1, the gas after cooling
Stream and the original Air Temperature Difference in the inside of tower barrel of wind generating set 1 are larger, can be carried out with the air in tower barrel of wind generating set 1
Sufficient heat exchange, meet the cooling requirement of unit, reduce apparatus overheat fault rate in tower barrel of wind generating set 1.
Exemplary, air flow inlet 101 is preferably placed on the tower door of tower barrel of wind generating set 1, is divulged information and is filled in tower
Put and the 3rd flange 14 is provided with the outer wall of 100 gas channel 10, tower ventilation unit 100 is arranged on by the 3rd flange 14
On the tower door of tower barrel of wind generating set 1.
As an alternative embodiment, the height of air flow inlet 101 is higher than the height of air stream outlet 102, to improve
To the cooling effect of equipment in tower barrel of wind generating set 1.
In some optional embodiments, it is provided with the outer wall of tower barrel of wind generating set 1 of the top of air stream outlet 102
Baffle plate 104, the outer wall of baffle plate 104 from tower barrel of wind generating set 1 is outside and extends downwardly.By setting baffle plate 104, Ke Yiyou
Effect avoid wind-driven generator is back to by the air inlet 11 of tower ventilation unit 100 by the thermal current that air stream outlet 102 is discharged
Inside group tower 1.
As an alternative embodiment, being provided with axial flow blower 105 in cooling duct 103, axial flow blower 105 is preferred
Positioned at the position of air stream outlet 102 of tower barrel of wind generating set 1, axial flow blower 105 is used for inside tower barrel of wind generating set 1
Air discharge so that air pressure in tower barrel of wind generating set 1 produces less than the air pressure outside tower barrel of wind generating set 1
Draught head, the outer gas stream of tower barrel of wind generating set 1 is promoted to be input to wind-force after filtering and cool down by tower ventilation unit 100
In generating set tower 1.
By setting axial flow blower 105 so that enter tower barrel of wind generating set by the air outlet 12 of tower ventilation unit 100
Cold airflow inside 1 realizes air circulation flow of the air-flow in cooling duct 103, cold airflow under the effect of axial flow blower 105
The cooling of equipment in tower barrel of wind generating set 1 is completed in cyclic process, is converted to thermal current, thermal current is in axial flow blower
It is discharged in the presence of 105 by air stream outlet 102 outside tower barrel of wind generating set 1, realizes that hot and cold air exchanges.
As an alternative embodiment, the sewage draining exit 60 of tower ventilation unit 100 is located at tower barrel of wind generating set 1
Outside, be easy to the cleaning to the dust in tower ventilation unit 100.
The tower barrel of wind generating set 1 that the utility model embodiment provides, by being set on tower barrel of wind generating set 1
Tower ventilation unit 100 so that the external environment condition thermal current of tower barrel of wind generating set 1 is compressed cold by tower ventilation unit 100
But the cooling duct 103 being input to afterwards in tower barrel of wind generating set 1, the cooling of unit in tower barrel of wind generating set 1 is completed,
Reduce apparatus overheat fault rate in tower barrel of wind generating set 1.Tower ventilation unit 100 can be carried out to the air-flow of entrance
Filter, it is ensured that into the air in tower barrel of wind generating set 1 be cleaned air, protect the equipment of tower barrel of wind generating set 1 to exempt from
It is contaminated.Meanwhile axial flow blower 105 is provided with cooling duct 103, it is logical in cooling by the air-flow of axial flow blower 105
Circulating in road 103, realize that hot and cold air exchanges, further meet the cooling requirement of unit.
According to one embodiment of the present utility model, a kind of wind power generating set, including any of the above-described implementation are additionally provided
The tower barrel of wind generating set 1 of example, therefore wind power generating set has the advantages of identical with tower barrel of wind generating set 1, therefore not
It is repeated here again.
Although the utility model is described by reference to preferred embodiment, model of the present utility model is not being departed from
In the case of enclosing, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as not depositing
The every technical characteristic being previously mentioned in structural hazard, each embodiment can combine in any way.The utility model
It is not limited to specific embodiment disclosed herein, but all technical schemes including falling within the scope of the appended claims.
Claims (15)
- A kind of 1. tower ventilation unit (100), it is characterised in that：Including gas channel (10), the gas channel (10) includes Air inlet (11) and air outlet (12), the gas channel (10) is interior to be provided with dividing plate (30), is provided with the dividing plate (30) Air pressure channel (40), the air pressure channel (40) communicate with the air inlet (11) and the air outlet (12), institute Stating air pressure channel (40) includes choke, and the sectional dimension of the choke is gradually reduced along air flow direction.
- 2. tower ventilation unit (100) according to claim 1, it is characterised in that：The air pressure channel (40) Quantity is one, or, the quantity of the air pressure channel (40) is two or more, air pressure channel described in two or more (40) it is evenly distributed on the dividing plate (30).
- 3. tower ventilation unit (100) according to claim 1, it is characterised in that：The choke is cone, pyramid Any of shape, spherical or multiple combinations.
- 4. tower ventilation unit (100) according to claim 1, it is characterised in that：The dividing plate (30) includes front supporting plate (31) and rear carrier plate (32), the front supporting plate (31) and the rear carrier plate (32) are parallel and be disposed on the gas channel (10) in, the air pressure channel (40) is configured to the pipeline with choke, and the pipeline is fixedly installed to described Between front supporting plate (31) and the rear carrier plate (32).
- 5. tower ventilation unit (100) according to claim 1, it is characterised in that：The dividing plate (30) includes front end face (31a) and rear end face (32a), the air pressure channel (40) are configured to connect the front end face (31a) and the rear end Face (32a) and the through hole with choke.
- 6. the tower ventilation unit (100) according to claim 1-5 any one, it is characterised in that：The gas channel (10) in be additionally provided with screen pack (20), the screen pack (20) between the air inlet (11) and the dividing plate (30), A pre-determined distance is kept between the entrance and the screen pack (20) of the air pressure channel (40).
- 7. tower ventilation unit (100) according to claim 6, it is characterised in that：Also include shutter (50), described hundred Leaf window (50) is arranged on air inlet (11) place of the gas channel (10).
- 8. tower ventilation unit (100) according to claim 7, it is characterised in that：The shutter (50) and the mistake Filter screen keeps a pre-determined distance between (20).
- 9. tower ventilation unit (100) according to claim 8, it is characterised in that：The shutter (50) and the mistake Sewage draining exit (60) is provided with the lower wall of the gas channel (10) between filter screen (20), the sewage draining exit (60) is with that can open Cover plate (70) connection.
- A kind of 10. tower barrel of wind generating set (1), it is characterised in that：It is provided with the wall of the tower barrel of wind generating set (1) Air flow inlet (101) and air stream outlet (102), the air flow inlet (101) and the air stream outlet (102) are sent out in the wind-force Connection forms cooling duct (103) inside group of motors tower (1), and such as claim 1-9 is set on the air flow inlet (101) Tower ventilation unit (100) described in any one.
- 11. tower barrel of wind generating set (1) according to claim 10, it is characterised in that the air flow inlet (101) Highly it is higher than the height of the air stream outlet (102).
- 12. tower barrel of wind generating set (1) according to claim 11, it is characterised in that in the air stream outlet (102) The tower barrel of wind generating set (1) outer wall of top be provided with baffle plate (104), the baffle plate (104) is sent out from the wind-force The outer wall of group of motors tower (1) is outside and extends downwardly.
- 13. tower barrel of wind generating set (1) according to claim 10, it is characterised in that in the cooling duct (103) In be provided with axial flow blower (105), the axial flow blower (105) is used for the internal air of the tower barrel of wind generating set (1) Discharge.
- 14. tower barrel of wind generating set (1) according to claim 10, it is characterised in that the tower ventilation unit (100) sewage draining exit (60) is located at the outside of the tower barrel of wind generating set (1).
- A kind of 15. wind power generating set, it is characterised in that：Including the wind-driven generator described in claim 10-14 any one Group tower (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720538289.1U CN206753832U (en) | 2017-05-12 | 2017-05-12 | Tower ventilation unit, tower barrel of wind generating set and wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720538289.1U CN206753832U (en) | 2017-05-12 | 2017-05-12 | Tower ventilation unit, tower barrel of wind generating set and wind power generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206753832U true CN206753832U (en) | 2017-12-15 |
Family
ID=60618331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720538289.1U Active CN206753832U (en) | 2017-05-12 | 2017-05-12 | Tower ventilation unit, tower barrel of wind generating set and wind power generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206753832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103685A1 (en) * | 2019-11-28 | 2021-06-03 | 北京金风科创风电设备有限公司 | Filtering device, generator and wind turbine generator system |
| CN113692203A (en) * | 2021-09-07 | 2021-11-23 | 广东电网有限责任公司 | Heat dissipation device for FTU on column |
-
2017
- 2017-05-12 CN CN201720538289.1U patent/CN206753832U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103685A1 (en) * | 2019-11-28 | 2021-06-03 | 北京金风科创风电设备有限公司 | Filtering device, generator and wind turbine generator system |
| CN113692203A (en) * | 2021-09-07 | 2021-11-23 | 广东电网有限责任公司 | Heat dissipation device for FTU on column |
| CN113692203B (en) * | 2021-09-07 | 2023-11-24 | 广东电网有限责任公司 | Heat abstractor for post FTU |
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