CN108767667A - Integrated rain-proof sand-proof low-resistance air inlet structure and power station - Google Patents

Integrated rain-proof sand-proof low-resistance air inlet structure and power station Download PDF

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Publication number
CN108767667A
CN108767667A CN201810511275.XA CN201810511275A CN108767667A CN 108767667 A CN108767667 A CN 108767667A CN 201810511275 A CN201810511275 A CN 201810511275A CN 108767667 A CN108767667 A CN 108767667A
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CN
China
Prior art keywords
proof
hole
air inlet
sand
inlet structure
Prior art date
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Granted
Application number
CN201810511275.XA
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Chinese (zh)
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CN108767667B (en
Inventor
俞燕华
吴凑生
李岩
朱为兵
路尔旺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Tsinghua Taihao Sanbo Motor Co Ltd
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Jiangxi Tsinghua Taihao Sanbo Motor Co Ltd
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Priority to CN201810511275.XA priority Critical patent/CN108767667B/en
Publication of CN108767667A publication Critical patent/CN108767667A/en
Application granted granted Critical
Publication of CN108767667B publication Critical patent/CN108767667B/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/28Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation

Abstract

The invention discloses integrated rain-proof sand-proof low-resistance air inlet structure and power stations, are related to power station flashing, wind proofing sand technical field.A kind of integrated rain-proof sand-proof low-resistance air inlet structure is applied to power station.It includes framework, filter screen, loading plate and can opening and closing device.The first through hole for being communicated in accommodating space is offered on loading plate.The second through-hole for being communicated in accommodating space can be offered on opening and closing device, can opening and closing device can open or close the second through-hole.Offer accommodating space in framework, loading plate, filter screen and can opening and closing device be removably attachable to framework, and be set in turn in accommodating space.Framework is connected to nacelle bottom, and accommodating space is communicated in by first through hole inside nacelle.A kind of power station uses above-mentioned integrated rain-proof sand-proof low-resistance air inlet structure.Integrated rain-proof sand-proof low-resistance air inlet structure provided by the invention and the effective flashing, wind proofing of power station energy are husky, and are blocked caused by being avoided that splashing silt.

Description

Integrated rain-proof sand-proof low-resistance air inlet structure and power station
Technical field
The present invention relates to power station flashing, wind proofing sand technical field, in particular to integrated rain-proof sand-proof low-resistance into Wind structure and power station.
Background technology
Currently, power station generally uses side air inlet mode, sand and dust filtering is carried out using porous material, air inlet effect is by outer Boundary's wind direction is affected, especially when air inlet front windward when, filter device will also receive the filter capacity of rainwater, dust storm greatly It influences.And ground window air inlet with protect consider also fewer in the development and design in power station, and power station drive a vehicle to paddle, mud When section, the silt of splashing is by the use condition of severe exacerbation chassis lower part air inlet filtering device.
Invention content
The purpose of the present invention is to provide a kind of integrated rain-proof sand-proof low-resistance air inlet structures, can be effectively to power station Integrated rain-proof sand-proof low-resistance caused by silt splashes when it is husky to carry out flashing, wind proofing, and power station can be avoided to transport simultaneously is entered the wind Structure blockage problem.
Another object of the present invention is to provide a kind of power stations, effectively can carry out flashing, wind proofing sand to power station, and Integrated rain-proof sand-proof low-resistance air inlet structure blockage problem caused by silt splashes when power station can be avoided to transport simultaneously.
The present invention provides a kind of technical solution:
A kind of integrated rain-proof sand-proof low-resistance air inlet structure, is applied to power station, and the power station includes that nacelle and power generation fill Set, the power generator is set to the inside of the nacelle, the integrated rain-proof sand-proof low-resistance air inlet structure include framework, Filter screen, loading plate and can opening and closing device.Accommodating space is offered inside the framework, and accommodating space is passed through along first direction Wear the framework.The loading plate, the filter screen and it is described can opening and closing device be removably attachable to the framework, and The loading plate, the filter screen and it is described can opening and closing device be set in turn in the accommodating space along the first direction. The first through hole for being communicated in the accommodating space is offered on the loading plate.Described can offer on opening and closing device is communicated in institute State the second through-hole of accommodating space, and it is described can opening and closing device can open second through-hole, or to close described second logical Hole.The framework is connected to the nacelle bottom, and the accommodating space is communicated in the nacelle by the first through hole It is internal.
Further, it is described can opening and closing device include fixed plate and movable plate, the fixed plate is removably attachable to institute Framework is stated, and second through-hole is opened in the fixed plate, the movable plate is movably connected on the fixed plate, and institute Stating movable plate the relatively described fixed plate activity and can close second through-hole or open second through-hole.
Further, multiple second through-holes are offered in the fixed plate, multiple second through-holes are along second party To being alternatively arranged, the quantity of the movable plate is corresponding with the quantity of the second through-hole, and the activity of multiple movable plates is even Be connected to the fixed plate, and can it is mobile relative to the fixed plate and it is corresponding close multiple second through-holes or it is corresponding open it is more A second through-hole.
Further, the width of second through-hole is equal with the distance between two neighboring second through-hole, each The width of the movable plate is equal with the width of the through-hole.
Further, the movable plate is coplanar close to the side of second through-hole and the side of the fixed plate.
Further, the integrated rain-proof sand-proof low-resistance air inlet structure further includes heating element, the heating element It is connected to side of the movable plate far from second through-hole.
Further, the integrated rain-proof sand-proof low-resistance air inlet structure further includes latch structure, described to be opened and closed dress It sets and the framework is removably attachable to by the latch structure.
Further, the latch structure is connected to the internal perisporium of the accommodating space, and the side of the loading plate opens up There are third through-hole, the latch structure to be placed in the third through-hole.
Further, the filter screen includes multiple first filter screen units and multiple second filter screen units, and multiple described One filter screen unit is connected with each other and is staggered with multiple second filter screen units, each first filter screen unit with often A second filter screen unit forms angle.
A kind of power station, including integrated rain-proof sand-proof low-resistance air inlet structure.The power station includes nacelle and power generator, The power generator is set to the inside of the nacelle.The integrated rain-proof sand-proof low-resistance air inlet structure includes framework, mistake Strainer, loading plate and can opening and closing device.Accommodating space is offered inside the framework, and accommodating space runs through along first direction The framework, the loading plate, the filter screen and it is described can opening and closing device be removably attachable to the framework, and institute State loading plate, the filter screen and it is described can opening and closing device be set in turn in the accommodating space along the first direction.Institute State the first through hole for being offered on loading plate and being communicated in the accommodating space.It is described can offer on opening and closing device be communicated in it is described Second through-hole of accommodating space, and it is described can opening and closing device can open second through-hole, or close second through-hole. The framework is connected to the nacelle bottom, and the accommodating space is communicated in by the first through hole in the nacelle Portion.
Compared with prior art, the advantageous effect in integrated rain-proof sand-proof low-resistance air inlet structure provided by the invention and power station It is:
Integrated rain-proof sand-proof low-resistance air inlet structure provided by the invention and power station can by being set to nacelle bottom, and And can accommodating space be communicated in by first through hole on the inside of nacelle, integrated rain-proof sand-proof low-resistance can be passed through and enter the wind knot Structure from nacelle bottom to nacelle inside enter the wind, can save and the windage brought of rain-proof structure is set at the top of nacelle, can directly pass through Nacelle carries out rain-proof.And the part grit in air-flow can be enable to be detached from air-flow by its own gravity, complete the preliminary of grit Filtering;When air-flow pass through can opening and closing device, can by filter screen to air-flow carry out secondary filter, can further filter off in air-flow Part grit, reach to the effect of grit efficiently separates in air-flow, ensure that integrated rain-proof sand-proof low-resistance air inlet structure has Effect ground filters off the grit in air-flow.In addition, when power station is transported, can by can opening and closing device close the second through-hole, that is, be avoided that The silt to splash in transportational process enters the case where accommodating space blocks filter screen, ensures that power station can carry out surely in due course Fixed effective work.That is, integrated rain-proof sand-proof low-resistance air inlet structure and power station can have both the rain-proof under stationary state simultaneously Flashing, wind proofing under sand-proof and travel position is husky.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described.It should be appreciated that the following drawings illustrates only certain embodiments of the present invention, therefore it is not construed as pair The restriction of range.It for those of ordinary skill in the art, without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the detonation configuration signal for the integrated rain-proof sand-proof air inlet structure that the first embodiment of the present invention provides Figure;
Fig. 2 is the structural schematic diagram for the integrated rain-proof sand-proof air inlet structure that the first embodiment of the present invention provides;
Fig. 3 is the sectional view for the integrated rain-proof sand-proof air inlet structure that the first embodiment of the present invention provides;
Fig. 4 is the enlarged structure schematic diagram at IV in Fig. 3;
Fig. 5 is the enlarged structure schematic diagram for the filter screen part that the first embodiment of the present invention provides.
Icon:10- integrated rain-proof sand-proof low-resistance air inlet structures;100- frameworks;110- accommodating spaces;200- is carried Plate;210- first through hole;220- third through-holes;300- filter screens;The first filter screen units of 310-;The second filter screen units of 320-; 400- can opening and closing device;410- fixed plates;The second through-holes of 411-;420- movable plates;421- heating elements;500- latch structures.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects It encloses.
It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it is to be understood that, the instructions such as term "upper", "lower", "inner", "outside", "left", "right" Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when usually put Orientation or positional relationship or the orientation or positional relationship that usually understands of those skilled in the art, be merely for convenience of retouching It states the present invention and simplifies description, do not indicate or imply the indicated equipment or element must have a particular orientation, with specific Azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important Property.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, " setting ", " even Connect " etc. terms shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or integrally connect It connects;It can be mechanical connection, can also be electrical connection;Can be directly connected to, can also be indirectly connected with by intermediary, it can To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned The concrete meaning of term in the present invention.
Below in conjunction with the accompanying drawings, the specific implementation mode of the present invention is described in detail.
First embodiment
Referring to Fig. 1, present embodiments providing a kind of integrated rain-proof sand-proof low-resistance air inlet structure 10, it is applied to electricity It stands.Wherein, power station includes nacelle and power generator, and power generator is set to inside nacelle, integrated rain-proof sand-proof low-resistance into Wind structure 10 is set to nacelle bottom.Integrated rain-proof sand-proof air inlet mechanism effectively can carry out flashing, wind proofing sand to power station, And 10 blockage problem of integrated rain-proof sand-proof low-resistance air inlet structure caused by silt splashes when power station can be avoided to transport simultaneously. It is set to nacelle bottom by integrated rain-proof sand-proof low-resistance air inlet structure 10 so that nacelle can directly be prevented by itself Rain function can save design rain insensitive device, and further avoid the windage that rain insensitive device is brought.
Please refer to Fig. 1, Fig. 2 and Fig. 3, wherein integrated rain-proof sand-proof low-resistance air inlet structure 10 includes framework 100, filter screen 300, loading plate 200, can opening and closing device 400, latch structure 500 and heating element 421.Wherein, in framework 100 Portion offers accommodating space 110, and accommodating space 110 runs through framework 100 along first direction.Filter screen 300, loading plate 200, Can opening and closing device 400, latch structure 500 and heating element 421 may be contained within inside accommodating space 110, that is, pass through framework 100 To filter screen 300, loading plate 200, can opening and closing device 400, latch structure 500 and heating element 421 carrying is provided, in order to mistake Strainer 300, loading plate 200, can opening and closing device 400, latch structure 500 and heating element 421 can with steady operation environment.
Wherein, when integrated rain-proof sand-proof low-resistance air inlet structure 10 is installed on nacelle, first direction refers to, from Integrated rain-proof sand-proof low-resistance air inlet structure 10 is far from nacelle side to the direction for the side being set to inside nacelle.That is, the One direction is to pass through integrated rain-proof sand-proof low-resistance air inlet structure 10 to the direction inside nacelle from the outside of nacelle.
Wherein, loading plate 200, filter screen 300 and can opening and closing device 400 be removably attachable to framework 100, and hold Support plate 200, filter screen 300 and can opening and closing device 400 may be contained within inside accommodating space 110.In addition, framework 100 is connected to cabin Body bottom.First through hole 210 is provided on loading plate 200, and first through hole 210 is communicated in accommodating space 110.Further , accommodating space 110 is communicated in by first through hole 210 inside nacelle.The second through-hole 411 can be offered on opening and closing device 400, And can opening and closing device 400 can open the second through-hole 411 or close the second through-hole 411.
It should be noted that wherein, can opening and closing device 400 be connected to side of the framework 100 far from nacelle, can make can Opening and closing device 400 is communicated in the external world, Ji Nengcong in accommodating space 110 when opening the second through-hole 411 by the second through-hole 411 External world's air inlet.Wherein, when can opening and closing device 400 open the second through-hole 411 when, external air flow can be flowed by the second through-hole 411 Accommodating space 110, cocurrent are flowed by first through hole 210 inside nacelle through filter screen 300, then air-flow, can be completed pair Air inlet inside nacelle.Wherein, air-flow is from nacelle bottom air inlet, then the part grit in air-flow can be enable in its own gravity Effect is lower to be detached from air-flow, completes the preliminary filtering of grit in air-flow;Then air-flow flows through filter screen 300, how to pass through filter screen 300 pairs of air-flows carry out secondary filter, by filtering twice so that the grit content in air-flow is reduced, are avoided that grit to sending out point The influence of device effectively completes the function of sand-proof.When transporting power station, can by can opening and closing device 400 close second Through-hole 411 so that accommodating space 110 is isolated with the external world, and it is accommodating to be just avoided that the silt to splash in transportational process enters to Space 110 is then avoided that the case where silt of splashing blocks filter screen 300, can guarantee that integrated rain-proof sand-proof low-resistance is entered the wind Structure 10 effectively steadily works.
In the present embodiment, can opening and closing device 400 framework 100 is removably attachable to by latch structure 500.Wherein insert Latch structure 500 is connected to the internal perisporium of accommodating space 110 so that can opening and closing device 400 be connected to the inner circumferential of accommodating space 110 Wall.
It should be appreciated that in other embodiments, the setting of latch structure 500 can be cancelled, pass through other connection types So that can opening and closing device 400 be connected to framework 100.For example, the mode being connected by screw, or by way of bonding etc..
Can opening and closing device 400 include fixed plate 410 and movable plate 420, fixed plate 410 is detachable by latch structure 500 Ground is connected to framework 100, and the second through-hole 411 is opened in fixed plate 410, and the second through-hole 411 runs through fixed plate 410 And it is communicated in accommodating space 110.Movable plate 420 is movably connected on fixed plate 410, and movable plate 420 can opposing fixed plate 410 Activity simultaneously closes the second through-hole 411 or opens the second through-hole 411.
Further, wherein in the present embodiment, multiple second through-holes 411, and second are offered in fixed plate 410 Through-hole 411 is alternatively arranged in a second direction.Corresponding, the quantity of movable plate 420 is multiple, and the quantity of movable plate 420 Corresponding with the quantity of the second through-hole 411, multiple movable plates 420 can 410 activity of opposing fixed plate and corresponding closing multiple second Through-hole 411 or correspondence open multiple second through-holes 411.That is, each movable plate 420 corresponds to second through-hole 411, each Corresponding second through-hole 411 is closed or opened to 410 activity of energy opposing fixed plate of movable plate 420 simultaneously.
In the present embodiment, the width of the second through-hole 411 is equal with the distance between two neighboring second through-hole 411, and And the width of each movable plate 420 is equal with the width of the second through-hole 411.Enable movable plate 420 be moved to two it is adjacent In fixed plate 410 between second through-hole 411, in order to fully open the second through-hole 411.It should be appreciated that in other implementations In example, above-mentioned set-up mode can be different, for example, the distance between two neighboring second through-hole 411 is more than the second through-hole 411 Width, the width of movable plate 420 is then more than between the width of the second through-hole 411 and less than two adjacent second through-holes 411 Distance can equally close the second through-hole 411 by movable plate 420, and can be so that movable plate 420 is moved to two the second through-holes To open the second through-hole 411 in fixed plate 410 between 411.
It should be noted that in the present embodiment, the outer profile of fixed plate 410 is square, 411 self-retaining plate of the second through-hole 410 wherein side extends to the opposite other side of fixed plate 410, and the second through-hole 411 extends perpendicularly to second Direction.
In addition, in the present embodiment, movable plate 420 is total close to the side of the second through-hole 411 and the side of fixed plate 410 Face can enable movable plate 420 to fit in the sliding of fixed plate 410, can open the second through-hole 411 in movable plate 420 and be bonded A large amount of space is saved when fixed plate 410, is convenient for the Miniaturization Design of integrated rain-proof sand-proof low-resistance air inlet structure 10.And And can guarantee that movable plate 420 closes the stability of the second through-hole 411, avoid the overturning of movable plate 420 from causing to the second through-hole 411 Imprecise situation.
It should be noted that in the present embodiment, integrated rain-proof sand-proof low-resistance air inlet structure 10 further includes driving knot Structure (not shown), driving structure are connected to movable plate 420, so that driving structure can drive 420 opposing fixed plate 410 of movable plate Activity.Wherein driving structure can be motor or fluid pressure drive device etc..
In addition, in the present embodiment, movable plate 420 can fit in the movement of fixed plate 410, it is logical to close or open second Hole 411.It should be appreciated that in other embodiments, the connection type between movable plate 420 and fixed plate 410 can be different, example Such as, movable plate 420 is rotationally connected with fixed plate 410, so that movable plate 420 can the overturning of opposing fixed plate 410 and selectively The second through-hole 411 is covered on to close the second through-hole 411, or overturning is to fitting in fixed plate 410 to open the second through-hole 411.That is, in other embodiments, can opening and closing device 400 devices such as movable air intake grid or movable shutters may be used.
Fig. 1, Fig. 3 and Fig. 4 are please referred to, in addition, heating element 421 is connected to movable plate 420 far from the second through-hole 411 Side.Can be avoided by the heat effect of heating element 421 under cold environment can opening and closing device 400 it is frozen, ensure Can opening and closing device 400 stablize work.
It should be appreciated that in other embodiments, heating element 421 can also be arranged according to the weather of use environment, that is, exist High temperature area can then cancel the setting of heating element 421.
Fig. 1 and Fig. 2 are please referred to, the inside of loading plate 200 offers multiple first through hole 210, and multiple first Through-hole 210 is arranged in arrays.Loading plate 200 can be used for operator and trample, to carry the weight of operator.
Wherein, in the present embodiment, the side of loading plate 200 fits in the internal perisporium setting of accommodating space 110.In addition, The side of loading plate 200 offers third through-hole 220, so that latch structure 500 can be placed in inside third through-hole 220, protects Card loading plate 200 is connected to the stability of framework 100, and can guarantee the stability of latch structure 500.
Fig. 1 and Fig. 5 are please referred to, filter screen 300 includes multiple first filter screen units 310 and multiple second filter screen units 320, multiple first filter screen units 310 are connected with each other and are staggered with multiple second filter screen units 320.Also, each first Filter screen unit 310 forms angle with each second filter screen unit 320.It can so that a section of filter screen 300 is in broken line Shape can increase the filter area of filter screen 300, improve the effect of filtering grit, and can reduce ventilation resistance, ensure air inlet Smooth stabilization.
In addition, can be according to the number of plies of actual demand setting filter screen 300 and the mesh number of each filter screen 300.
The integrated rain-proof sand-proof low-resistance air inlet structure 10 provided in the present embodiment by being set to nacelle bottom, and Can so that accommodating space 110 is communicated in by first through hole 210 on the inside of nacelle, can by integrated rain-proof sand-proof low-resistance into Wind structure 10 from nacelle bottom to nacelle inside enter the wind, can save and the windage brought of rain-proof structure is set at the top of nacelle, can be straight It connected nacelle and carries out rain-proof.And the part grit in air-flow can be enable to be detached from air-flow by its own gravity, complete grit Preliminary filtering;When air-flow pass through can opening and closing device 400, can by filter screen 300 to air-flow carry out secondary filter, can be into one Step filters off the part grit in air-flow, reaches to the effect of grit efficiently separates in air-flow, ensures that integrated rain-proof sand-proof is low Resistance air inlet structure 10 effectively filters off the grit in air-flow.In addition, when power station is transported, can by can opening and closing device 400 close Second through-hole 411 is avoided that the silt to splash in transportational process enters the case where accommodating space 110 blocks filter screen 300, protects Card power station can carry out stablizing effective work in due course.That is, integrated rain-proof sand-proof low-resistance air inlet structure 10 can be same When the flashing, wind proofing that has both under flashing, wind proofing sand and travel position under stationary state it is husky.
Second embodiment
A kind of power station (not shown) is provided in the present embodiment, which employs above-mentioned integrated rain-proof sand-proof low-resistance into Wind structure 10.It is husky that the power station effectively can carry out flashing, wind proofing to power station, and silt splashes when power station can be avoided to transport simultaneously Caused by 10 blockage problem of integrated rain-proof sand-proof low-resistance air inlet structure.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of integrated rain-proof sand-proof low-resistance air inlet structure, it is applied to power station, the power station includes nacelle and power generator, The power generator is set to the inside of the nacelle, which is characterized in that the integrated rain-proof sand-proof low-resistance air inlet structure Including framework, filter screen, loading plate and can opening and closing device;
Accommodating space is offered inside the framework, and accommodating space runs through the framework along first direction;
The loading plate, the filter screen and it is described can opening and closing device be removably attachable to the framework, and described hold Support plate, the filter screen and it is described can opening and closing device be set in turn in the accommodating space along the first direction;
The first through hole for being communicated in the accommodating space is offered on the loading plate;
It is described to offer the second through-hole for being communicated in the accommodating space on opening and closing device, and it is described can opening and closing device can beat Second through-hole is opened, or closes second through-hole;
The framework is connected to the nacelle bottom, and the accommodating space is communicated in the nacelle by the first through hole It is internal.
2. integrated rain-proof sand-proof low-resistance air inlet structure according to claim 1, which is characterized in that described to be opened and closed dress It sets including fixed plate and movable plate, the fixed plate is removably attachable to the framework, and second through-hole is opened in The fixed plate, the movable plate is movably connected on the fixed plate, and the movable plate can the relatively described fixed plate activity And it closes second through-hole or opens second through-hole.
3. integrated rain-proof sand-proof low-resistance air inlet structure according to claim 2, which is characterized in that in the fixed plate Offer multiple second through-holes, multiple second through-holes are alternatively arranged in a second direction, the quantity of the movable plate with The quantity of second through-hole is corresponding, and multiple movable plates are movably connected on the fixed plate, and can be relatively described solid Fixed board is mobile and corresponds to multiple second through-holes of closing or corresponding multiple second through-holes of opening.
4. integrated rain-proof sand-proof low-resistance air inlet structure according to claim 3, which is characterized in that second through-hole Width it is equal with the distance between two neighboring second through-hole, the width of the width and the through-hole of each movable plate It spends equal.
5. integrated rain-proof sand-proof low-resistance air inlet structure according to claim 2, which is characterized in that the movable plate leans on The side and the side of the fixed plate of nearly second through-hole are coplanar.
6. integrated rain-proof sand-proof low-resistance air inlet structure according to claim 2, which is characterized in that the one chemoprevention Rain sand-proof low-resistance air inlet structure further includes heating element, and it is logical far from described second that the heating element is connected to the movable plate The side in hole.
7. the integrated rain-proof sand-proof low-resistance air inlet structure according to any one of claim 1-6, which is characterized in that The integrated rain-proof sand-proof low-resistance air inlet structure further includes latch structure, it is described can opening and closing device pass through the latch structure It is removably attachable to the framework.
8. integrated rain-proof sand-proof low-resistance air inlet structure according to claim 7, which is characterized in that the latch structure It is connected to the internal perisporium of the accommodating space, the side of the loading plate offers third through-hole, and the latch structure is placed in In the third through-hole.
9. integrated rain-proof sand-proof low-resistance air inlet structure according to claim 1, which is characterized in that the filter screen packet Include multiple first filter screen units and multiple second filter screen units, multiple first filter screen units and multiple second strainer lists Member is connected with each other and is staggered, and each first filter screen unit forms angle with each second filter screen unit.
10. a kind of power station, which is characterized in that include the integrated rain-proof sand-proof as described in any one of claim 1-9 Low-resistance air inlet structure.
CN201810511275.XA 2018-05-24 2018-05-24 Rain-proof wind sand prevention low resistance air inlet structure of integration and power station Active CN108767667B (en)

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