阅读说明：本技术 一种风力发电机组的通风散热装置 (Ventilation and heat dissipation device of wind generating set ) 是由 不公告发明人 于 2021-09-09 设计创作，主要内容包括：本发明公开了一种风力发电机组的通风散热装置,涉及到风力发电技术领域,包括风力发电机组机壳,所述风力发电机组机壳的底部两端位置均开设有通风口,位于前端的所述通风口内通过连接轴承转动连接有开口朝向前端的L形通风管,所述L形通风管上连接有用于驱动所述L形通风管转动的同步调向组件,所述风力发电机组机壳上连接有通过风力驱动运行的实时调向驱动组件。本发明通过实时调向驱动组件、同步调向组件和L形通风管的设置,当外界风向发生变化时,可实时调节L形通风管的朝向,使其与风向保持一致,使得外界风力可实时顺畅的吹入机壳内部,通风散热效果好,可有效避免出现温度过高而影响发电机组使用寿命的情况。(The invention discloses a ventilation and heat dissipation device of a wind generating set, which relates to the technical field of wind power generation and comprises a wind generating set shell, wherein ventilation openings are formed in two ends of the bottom of the wind generating set shell, an L-shaped ventilation pipe with an opening facing to the front end is rotatably connected in the ventilation opening positioned at the front end through a connecting bearing, a synchronous direction adjusting component for driving the L-shaped ventilation pipe to rotate is connected to the L-shaped ventilation pipe, and a real-time direction adjusting driving component driven to operate by wind power is connected to the wind generating set shell. According to the invention, through the arrangement of the real-time direction adjusting driving assembly, the synchronous direction adjusting assembly and the L-shaped ventilation pipe, when the external wind direction changes, the direction of the L-shaped ventilation pipe can be adjusted in real time to be consistent with the wind direction, so that the external wind can be smoothly blown into the interior of the shell in real time, the ventilation and heat dissipation effects are good, and the condition that the service life of the generator set is influenced due to overhigh temperature can be effectively avoided.)

1. The utility model provides a wind generating set's ventilation heat abstractor, includes wind generating set casing (1), its characterized in that: vent (2) have all been seted up to the bottom both ends position of wind generating set casing (1), are located the front end be connected with L shape ventilation pipe (4) of opening towards the front end through connecting bearing (3) rotation in vent (2), be connected with on L shape ventilation pipe (4) and be used for the drive L shape ventilation pipe (4) pivoted is transferred to the subassembly in step, be connected with on wind generating set casing (1) and transfer to drive assembly in real time through the real-time accent of wind-force drive operation, transfer in real time to drive assembly and be used for the drive transfer in step to the subassembly operation and rotate in real time and transfer to.

2. The ventilation and heat dissipation device of a wind generating set according to claim 1, wherein: transfer in real time to drive assembly including installing U-shaped support frame (5) of wind generating set casing (1) bottom, the bottom of U-shaped support frame (5) rotate cup joint install with regulation bull stick (6) of connecting bearing (3) the same centre of a circle, connection axle sleeve (7) are installed to the bottom of adjusting bull stick (6), connection axle sleeve (7) internal rotation cup joints installs drive bull stick (8), drive fan blade (9) are installed to the one end of drive bull stick (8), the top of adjusting bull stick (6) with it is connected to the subassembly in step.

3. The ventilation and heat dissipation device of a wind generating set according to claim 2, wherein: the synchronous steering component comprises a driving gear (10) installed on the top of a regulating rotating rod (6), a regulating gear (11) is installed on an L-shaped ventilation pipe (4) in a sleeved mode, the bottom of a wind generating set shell (1) is rotated and installed with a connecting rotating rod (12), two connecting gears (13) are installed on the connecting rotating rod (12) in a sleeved mode, and the connecting gears (13) are respectively meshed with the driving gear (10) and the regulating gear (11).

4. The ventilation and heat dissipation device of a wind generating set according to claim 3, wherein: the diameter of the driving gear (10) is the same as that of the adjusting gear (11).

5. The ventilation and heat dissipation device of a wind generating set according to claim 2, wherein: wind collecting hoppers (14) are installed at one ends of the L-shaped ventilation pipes (4), the L-shaped ventilation pipes (4) and the other ventilation openings (2) are all sleeved with dust screens (15), and the dust screens (15) are located in the L-shaped ventilation pipes (4) and connected with cleaning assemblies.

6. The ventilation and heat dissipation device of a wind generating set according to claim 5, wherein: clean subassembly is including cup jointing and installing mounting bracket (16) in L shape ventilation pipe (4), the lateral part of mounting bracket (16) is rotated and is installed clean pivot (17), clean pivot (17) are connected with drive bull stick (8) through the transmission unit, the one end of clean pivot (17) is run through dust screen (15) and install rotor plate (18), rotor plate (18) internal rotation is cup jointed and is installed dwang (19), the one end of dwang (19) install with clean brush (20) of dust screen (15) looks adaptation, the other end of dwang (19) is connected with the rotation unit.

7. The ventilation and heat dissipation device of the wind generating set according to claim 6, wherein: the rotation unit is including installing planetary gear (21) at dwang (19) other end, install through the connecting rod in wind-collecting scoop (14) with fixed ring gear (22) that planetary gear (21) engaged with mutually.

8. The ventilation and heat dissipation device of the wind generating set according to claim 6, wherein: the transmission unit is including cup jointing respectively install clean pivot (17) with two driving pulley (23) on drive bull stick (8), two driving pulley (23) are gone up common tensioning and are cup jointed and install driving belt (24), the bottom of L shape ventilation pipe (4) seted up two with the through-hole of driving belt (24) looks adaptation is located on clean pivot (17) be connected with on driving pulley (23) and strike the vibration unit.

9. The ventilation and heat dissipation device of a wind generating set according to claim 8, wherein: the knocking vibration unit comprises an extrusion block (25) arranged on the outer peripheral side of the transmission belt wheel (23), a knocking rod (26) is installed in the installation frame (16) in a sliding sleeved mode, one end of the knocking rod (26) is in contact with the side portion of the dustproof net (15), a limiting stop block (28) is installed at the other end of the knocking rod (26), a moving block (27) matched with the extrusion block (25) is installed at the bottom of the knocking rod (26), and a reset knocking element is installed on the knocking rod (26).

10. The ventilation and heat dissipation device of a wind generating set according to claim 9, wherein: the reset knocking element comprises a knocking spring (29) sleeved on the knocking rod (26), and two ends of the knocking spring (29) are respectively installed on the side portions of the mounting frame (16) and the limiting stop block (28).

Technical Field

The invention relates to the technical field of wind power generation, in particular to a ventilation and heat dissipation device of a wind generating set.

Background

The wind driven generator is an electric power device which converts wind energy into mechanical work, drives the rotor to rotate and finally outputs alternating current; the wind power generator generally comprises components such as a wind wheel, a generator, a tower frame, a speed-limiting safety mechanism, an energy storage device and the like; in the process of wind power generation, a large amount of heat is generated inside the casing, and ventilation and heat dissipation are needed.

The ventilation heat dissipation of current wind generating set is for the sake of convenience, and reach dustproof and waterproof's effect, its vent generally all sets up under the casing, unable effectual external wind-force of utilizing carries out the ventilation heat dissipation, greatly reduced radiating effect, though also some wind generating set's vent sets up and utilizes external wind-force to dispel the heat at the casing tip, but the direction of blowing of external wind-force is real-time change, external wind-force can't be real-time smooth and easy blow in inside the casing from vent department, ventilation heat dissipation effect is relatively poor, the too high condition that influences generating set life can appear easily, cause the unnecessary loss, for this reason, this application discloses a wind generating set's ventilation heat dissipation device satisfies people's demand.

Disclosure of Invention

The invention aims to provide a ventilation and heat dissipation device of a wind generating set, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a wind generating set's ventilation cooling device, includes the wind generating set casing, the vent has all been seted up to the bottom both ends position of wind generating set casing, is located the front end rotate through connecting the bearing in the vent and be connected with the L shape ventilation pipe of opening towards the front end, be connected with on the L shape ventilation pipe and be used for the drive L shape ventilation pipe pivoted is transferred to the subassembly in step, be connected with on the wind generating set casing and transfer to drive assembly in real time through the real-time accent of wind power drive operation, transfer in real time to drive assembly and be used for the drive synchronous transfer to the subassembly operation and rotate in real time and transfer to.

Borrow by above-mentioned structure, when the wind direction of external wind-force changes, can drive in real time transfer to the drive assembly operation, transfer in real time to the drive assembly operation can drive synchronous transfer to the subassembly operation, and then can drive L shape ventilation pipe and carry out synchronous rotation, make the orientation of L shape ventilation pipe unanimous with the wind direction, thereby external wind-force can be in real time smooth and easy insufflate inside the casing, ventilation cooling effect is good, can effectively avoid appearing the high condition that influences generating set life of high temperature, avoid causing the unnecessary loss.

Preferably, the real-time direction-adjusting driving assembly comprises a U-shaped supporting frame arranged at the bottom of a shell of the wind generating set, the bottom of the U-shaped supporting frame is rotatably sleeved with an adjusting rotating rod concentric with the connecting bearing, a connecting shaft sleeve is arranged at the bottom end of the adjusting rotating rod, the connecting shaft sleeve is rotatably sleeved with the driving rotating rod, a driving fan blade is arranged at one end of the driving rotating rod, and the top end of the adjusting rotating rod is connected with the synchronous direction-adjusting assembly.

Furthermore, through adjusting in real time to drive assembly's setting, when the wind direction of external wind-force changes, can blow the drive fan blade and rotate and swing, and then can drive through drive bull stick, connecting sleeve and adjust the bull stick and rotate to can drive synchronous accent to the subassembly operation, realized can carrying out the purpose that real time drive was adjusted according to the wind direction change of external wind-force.

Preferably, the synchronous steering component comprises a driving gear installed on the top end of the adjusting rotating rod, the L-shaped ventilation pipe is sleeved with the adjusting gear, the bottom of the shell of the wind generating set is rotated and installed with the connecting rotating rod, the connecting rotating rod is sleeved with two connecting gears, and the two connecting gears are respectively meshed with the driving gear and the adjusting gear.

Furthermore, through the setting of adjusting the subassembly in step, when adjusting the bull stick and rotate, can drive gear and rotate, under the effect of connecting bull stick and two connecting gears, can drive adjusting gear and the synchronous rotation of L shape ventilation pipe, realized the purpose that can adjust L shape ventilation pipe orientation in real time.

Preferably, the diameter of the driving gear is the same as the diameter of the adjusting gear.

Furthermore, the rotating angle of the L-shaped ventilation pipe is the same as the swinging angle of the driving fan blade through the arrangement that the diameters of the driving gear and the adjusting gear are the same, and the real-time adjustment is more accurate.

Preferably, an air collecting hopper is installed at one end of the L-shaped ventilation pipe, a dustproof net is sleeved in the L-shaped ventilation pipe and the other ventilation port, and a cleaning assembly is connected to the dustproof net in the L-shaped ventilation pipe.

Furthermore, through the arrangement of the wind collecting hopper, the wind collecting range of the L-shaped ventilation pipe can be effectively enlarged, the ventilation and heat dissipation effects are improved, and through the arrangement of the dustproof net, foreign matters such as external dust can be prevented from entering the shell of the wind generating set along with wind power, so that the protective effect is achieved.

Preferably, clean subassembly is including cup jointing and installing mounting bracket in the L shape ventilation pipe, the lateral part of mounting bracket is rotated and is installed clean pivot, clean pivot is connected with the drive bull stick through transmission unit, the one end of clean pivot is run through the dust screen installs the rotor plate, the dwang is installed in the rotor plate internal rotation cup joint, the one end of dwang install with the clean brush of dust screen looks adaptation, the other end of dwang is connected with the rotation unit.

Further, through the setting of clean subassembly, when clean pivot rotates, can drive the cleaning brush circumference through rotor plate and dwang and rotate, clean the processing to the surface of dust screen, effectively avoid the dust screen to be blockked up and influence the ventilation effect.

Preferably, the rotation unit comprises a planetary gear installed at the other end of the rotating rod, and a fixed gear ring meshed with the planetary gear is installed in the air collecting hopper through a connecting rod.

Further, through the setting of rotation unit, when dwang circumferential rotation, can drive planetary gear circumferential rotation, under the effect of fixed ring gear, planetary gear circumferential rotation and rotation, and then can make the cleaning brush carry out the rotation simultaneously at the clear in-process of circumferential rotation cleanness clearly, and clean effect is better.

Preferably, the transmission unit is including cup jointing respectively install clean pivot with two driving pulley on the drive bull stick, two driving belt is cup jointed to the common tensioning on the driving pulley and is installed driving belt, the bottom of L shape ventilation pipe seted up two with the through-hole of driving belt looks adaptation is located clean epaxial being connected with on the driving pulley and strikeing the vibration unit.

Further, through the setting of transmission unit, when the drive bull stick rotated, accessible driving pulley and driving belt drove clean pivot synchronous rotation to can realize that clean subassembly synchronous operation carries out the purpose of clearing up, the continuity is better.

Preferably, the knocking vibration unit comprises an extrusion block arranged on the outer peripheral side of the transmission belt wheel, a knocking rod is slidably sleeved in the mounting frame, one end of the knocking rod is in contact with the side portion of the dustproof net, a limiting stop block is arranged at the other end of the knocking rod, a moving block matched with the extrusion block is arranged at the bottom of the knocking rod, and a resetting knocking element is arranged on the knocking rod.

Further, through the setting of strikeing the vibration unit, when driving pulley rotated, can drive the extrusion piece circumferential rotation, the extrusion piece circumferential rotation can extrude the movable block and remove, perhaps loosens the movable block, and under the cooperation of striking the component that resets simultaneously, it can make a round trip reciprocal strike on the dust screen to strike the pole, and then can make the dust screen take place to vibrate to can pop out the graininess plug on the dust screen, guaranteed the ventilation cooling effect.

Preferably, the reset knocking element comprises a knocking spring sleeved on the knocking rod, and two ends of the knocking spring are respectively installed on the mounting frame and the side part of the limiting stop block.

Furthermore, through the arrangement of the reset knocking element, the knocking rod can move back and forth, and the aim that the knocking rod can knock the dust screen in a reciprocating mode is fulfilled.

In conclusion, the technical effects and advantages of the invention are as follows:

1. the wind direction adjusting device is reasonable in structure, when the wind direction of external wind power changes, the real-time direction adjusting driving assembly can be driven to operate and drive the synchronous direction adjusting assembly to operate, the L-shaped ventilation pipe can be driven to synchronously rotate, the direction of the L-shaped ventilation pipe is consistent with the wind direction, accordingly, the external wind power can be smoothly blown into the interior of the shell in real time, the ventilation and heat dissipation effects are good, the condition that the service life of a generator set is influenced due to overhigh temperature can be effectively avoided, and unnecessary loss is avoided;

2. when the driving fan blade is driven by external wind to rotate and swing, the adjusting rotating rod is driven to rotate by the driving rotating rod and the connecting shaft sleeve, the adjusting rotating rod drives the driving gear to rotate, the driving gear drives the connecting rotating rod and the two connecting gears to rotate in opposite directions, and then the adjusting gear and the L-shaped ventilation pipe can be driven to rotate synchronously, so that the aim of adjusting the orientation of the L-shaped ventilation pipe in real time is fulfilled;

3. according to the invention, when the driving rotating rod rotates, the cleaning rotating shaft is driven to synchronously rotate through the transmission belt wheel and the transmission belt, the rotating plate and the rotating rod are driven to circularly rotate by the rotation of the cleaning rotating shaft, so that the cleaning brush can be driven to circularly rotate, the surface of the dustproof net is cleaned, and the dustproof net can be effectively prevented from being blocked by impurities such as dust and the like to influence the ventilation effect;

4. according to the invention, when the rotating rod rotates circumferentially, the planetary gear is also driven to rotate circumferentially, and under the action of the fixed gear ring, the planetary gear rotates circumferentially and rotates automatically, so that the cleaning brush can simultaneously perform self-rotation cleaning in the circumferential rotation cleaning process, and the cleaning effect is better;

5. according to the invention, when the transmission belt wheel rotates, the extrusion block is driven to rotate circumferentially, when the extrusion block rotates to be in contact with the moving block, the moving block is extruded to move, the knocking rod can be driven to be away from the dustproof net, the knocking spring is stretched, and when the extrusion block rotates to be separated from the moving block, the knocking rod can be driven to automatically reset and knock on the dustproof net under the elastic force action of the knocking spring, so that the dustproof net vibrates, granular blockages on the dustproof net can be popped out, and the ventilation and heat dissipation effects are ensured.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a schematic perspective view of another embodiment of the present disclosure;

FIG. 3 is a schematic front view of an embodiment of the present application;

FIG. 4 is a partially enlarged view of FIG. 2;

FIG. 5 is a schematic structural diagram of an L-shaped vent pipe in the embodiment of the present application;

FIG. 6 is a partial sectional structure diagram of an L-shaped vent pipe in the embodiment of the present application;

FIG. 7 is a schematic structural view of a connection part of a cleaning rotating shaft and a cleaning brush in an embodiment of the present application;

fig. 8 is an enlarged schematic view of a portion a in fig. 6.

In the figure: 1. a wind generating set housing; 2. a vent; 3. connecting a bearing; 4. an L-shaped vent pipe; 5. a U-shaped support frame; 6. adjusting the rotating rod; 7. connecting the shaft sleeve; 8. driving the rotating rod; 9. driving the fan blade; 10. a drive gear; 11. an adjusting gear; 12. connecting the rotating rod; 13. a connecting gear; 14. a wind collecting hopper; 15. a dust screen; 16. a mounting frame; 17. cleaning the rotating shaft; 18. a rotating plate; 19. rotating the rod; 20. a cleaning brush; 21. a planetary gear; 22. a fixed gear ring; 23. a drive pulley; 24. a drive belt; 25. extruding the block; 26. a knock bar; 27. a moving block; 28. a limit stop; 29. knocking the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1-8, the ventilation and heat dissipation device of the wind generating set comprises a wind generating set casing 1, ventilation openings 2 are formed in two ends of the bottom of the wind generating set casing 1, an L-shaped ventilation pipe 4 with an opening facing to the front end is rotatably connected in the ventilation opening 2 at the front end through a connecting bearing 3, and the L-shaped ventilation pipe 4 can play a role in ventilation and water prevention.

The L-shaped ventilation pipe 4 is connected with a synchronous direction-adjusting component for driving the L-shaped ventilation pipe 4 to rotate, the wind generating set shell 1 is connected with a real-time direction-adjusting driving component which is driven to operate by wind power, and the real-time direction-adjusting driving component is used for driving the synchronous direction-adjusting component to operate to rotate in real time.

Borrow by above-mentioned structure, when the wind direction of external wind-force changes, can drive in real time transfer to the drive assembly operation, transfer in real time to the drive assembly operation can drive synchronous transfer to the subassembly operation, and then can drive L shape ventilation pipe 4 and carry out synchronous rotation, make the orientation of L shape ventilation pipe 4 unanimous with the wind direction, thereby external wind-force can be real-time smooth and easy insufflate inside the casing, ventilation cooling effect is good, can effectively avoid appearing the high temperature and influence generating set life's the condition, avoid causing the unnecessary loss.

As a preferred implementation manner of this embodiment, referring to fig. 2, 3 and 4, the real-time direction-adjusting driving assembly includes a U-shaped supporting frame 5 installed at the bottom of the wind turbine generator system casing 1, an adjusting rotating rod 6 concentric with the connecting bearing 3 is rotatably sleeved at the bottom of the U-shaped supporting frame 5, and the adjusting rotating rod 6 can be rotatably sleeved with the bottom of the U-shaped supporting frame 5 through a bearing; a connecting shaft sleeve 7 is installed at the bottom end of the adjusting rotating rod 6, a driving rotating rod 8 is rotatably sleeved in the connecting shaft sleeve 7, a driving fan blade 9 is installed at one end of the driving rotating rod 8, and the driving fan blade 9 can be fixed with one end of the driving rotating rod 8 in a threaded connection mode; the top end of the adjusting rotating rod 6 is connected with the synchronous direction adjusting component.

When the wind direction of the external wind changes, the driving fan blade 9 can be blown to rotate and swing, the driving fan blade 9 swings to drive the adjusting rotating rod 6 to rotate through the driving rotating rod 8 and the connecting shaft sleeve 7, and then the synchronous direction-adjusting component can be driven to operate, so that the purpose of real-time driving and adjusting according to the wind direction change of the external wind is achieved.

In this embodiment, referring to fig. 4, the synchronous direction-adjusting assembly includes a driving gear 10 mounted at the top end of the adjusting rotating rod 6, an adjusting gear 11 is mounted on the L-shaped ventilation pipe 4 in a sleeved manner, and the driving gear 10 and the adjusting gear 11 may be any metal gear in the prior art, and may be fixed to the top end of the adjusting rotating rod 6 and the L-shaped ventilation pipe 4 by welding; the bottom of the wind generating set casing 1 is rotatably provided with a connecting rotating rod 12, the connecting rotating rod 12 is sleeved with two connecting gears 13, and the two connecting gears 13 are respectively meshed with the driving gear 10 and the adjusting gear 11.

When the adjusting rotating rod 6 rotates, the driving gear 10 is driven to rotate, the driving gear 10 rotates to drive the connecting rotating rod 12 and the two connecting gears 13 to rotate reversely, and then the adjusting gear 11 and the L-shaped ventilation pipe 4 can be driven to rotate synchronously, and the purpose of adjusting the orientation of the L-shaped ventilation pipe 4 in real time is achieved.

In the present embodiment, as shown with reference to fig. 4, the diameter of the drive gear 10 is the same size as the diameter of the adjustment gear 11.

When the orientation is adjusted, the rotation angle of the L-shaped ventilation pipe 4 is the same as the swing angle of the driving fan blade 9, and the adjustment is more accurate in real time.

As a preferred embodiment of this embodiment, referring to fig. 1 and 2, an air collecting funnel 14 is installed at one end of the L-shaped ventilation pipe 4, the air collecting funnel 14 can be fixed with one end of the L-shaped ventilation pipe 4 by welding, dust screens 15 are installed in the L-shaped ventilation pipe 4 and the other ventilation opening 2 in a sleeved manner, and a cleaning assembly is connected to the dust screen 15 located in the L-shaped ventilation pipe 4.

The wind collecting hopper 14 can effectively enlarge the wind collecting range of the L-shaped ventilation pipe 4, improve the ventilation and heat dissipation effects, prevent foreign matters such as external dust and the like from entering the shell 1 of the wind generating set along with wind power, and play a role in protection.

In the present embodiment, referring to fig. 5, 6 and 7, the cleaning assembly includes a mounting bracket 16 sleeved inside the L-shaped ventilation pipe 4, and the mounting bracket 16 can be fixedly sleeved inside the L-shaped ventilation pipe 4 by a screw connection manner; the lateral part of mounting bracket 16 rotates and installs clean pivot 17, and clean pivot 17 is connected with drive bull stick 8 through transmission unit, and the one end of clean pivot 17 runs through dust screen 15 and installs rotor plate 18, and the rotor plate 18 internal rotation is cup jointed and is installed dwang 19, and the cleaning brush 20 with 15 looks adaptations of dust screen is installed to the one end of dwang 19, and the other end of dwang 19 is connected with the rotation unit.

When the cleaning rotating shaft 17 rotates, the rotating plate 18 and the rotating rod 19 can be driven to rotate circumferentially, and then the cleaning brush 20 can be driven to rotate circumferentially to clean the surface of the dust screen 15, so that the dust screen 15 is effectively prevented from being blocked and the ventilation effect is prevented from being influenced.

In the present embodiment, as shown in fig. 4 and 6, the rotation unit includes a planetary gear 21 installed at the other end of the rotation lever 19, and a fixed ring gear 22 engaged with the planetary gear 21 is installed in the wind-collecting scoop 14 through a link.

When dwang 19 circumferential rotation, can drive planetary gear 21 circumferential rotation, under the effect of fixed ring gear 22, planetary gear 21 circumferential rotation and rotation, and then can make cleaning brush 20 carry out the rotation simultaneously clean at the clear in-process of circumferential rotation, and cleaning performance is better.

In this embodiment, referring to fig. 1 and 2, the transmission unit includes two driving pulleys 23 respectively sleeved on the cleaning rotating shaft 17 and the driving rotating rod 8, a driving belt 24 is sleeved on the two driving pulleys 23 in a common tensioning manner, two through holes matched with the driving belt 24 are formed in the bottom of the L-shaped ventilation pipe 4, and the driving pulley 23 on the cleaning rotating shaft 17 is connected with a knocking vibration unit.

When the driving fan blade 9 is driven by external wind to rotate, the driving rotating rod 8 can be driven to rotate, and then the cleaning rotating shaft 17 can be driven to synchronously rotate through the driving belt wheel 23 and the driving belt 24, so that the cleaning component can synchronously run to clean, and the continuity is good.

In the present embodiment, referring to fig. 6 and 8, the knocking vibration unit includes a pressing block 25 installed on the outer peripheral side of the driving pulley 23, a knocking rod 26 is installed in the mounting frame 16 in a sliding sleeve manner, one end of the knocking rod 26 contacts with the side portion of the dust screen 15, a limiting stopper 28 is installed at the other end of the knocking rod 26, a moving block 27 adapted to the pressing block 25 is installed at the bottom of the knocking rod 26, and a reset knocking element is installed on the knocking rod 26.

When driving pulley 23 rotates, can drive extrusion piece 25 circular rotation, when extrusion piece 25 rotates to contact with movable block 27, can extrude movable block 27 and remove, and then can drive strikes pole 26 and keep away from dust screen 15, when extrusion piece 25 rotates to and the movable block 27 breaks away from mutually, under the effect of knocking the component that resets, can drive to strike pole 26 automatic re-setting and strike on dust screen 15, make dust screen 15 take place the vibration, thereby can pop out the graininess plug on the dust screen 15, the ventilation cooling effect has been guaranteed.

In the present embodiment, referring to fig. 8, the return striking element comprises a striking spring 29 fitted over the striking rod 26, the two ends of the striking spring 29 being mounted on the side portions of the mounting bracket 16 and the limiting stopper 28, respectively. The advantage that sets up like this is, when extrusion piece 25 extrudees movable block 27 and moves, can stretch and strike spring 29, when extrusion piece 25 breaks away from with movable block 27 mutually, under the spring action that strikes spring 29, can drive to strike pole 26 self-restoring and strike on dust screen 15, has realized that strike pole 26 can reciprocate to strike the purpose of dust screen 15.

The working principle of the invention is as follows:

when the wind direction of external wind power changes, can blow drive fan blade 9 and rotate and swing, drive fan blade 9 swing can drive through connecting axle sleeve 7 and adjust bull stick 6 and rotate, it rotates to adjust bull stick 6 and drive gear 10 and rotate, drive gear 10 rotates and drives and connects bull stick 12 and two connecting gear 13 antiport, and then can drive adjusting gear 11 and L shape ventilation pipe 4 synchronous rotation, the purpose of adjusting L shape ventilation pipe 4 orientation in real time has been realized, make L shape ventilation pipe 4 orientation unanimous with the wind direction, thereby external wind power can be in real time smooth and easy insufflates inside the casing, ventilation cooling effect is good, can effectively avoid appearing the condition that the high temperature influences generating set life, avoid causing unnecessary loss.

When the drive bull stick 8 rotates, can drive clean pivot 17 synchronous rotation through driving band pulley 23 and driving belt 24, clean pivot 17 rotates and can drive rotor plate 18 and 19 circumferential rotations of dwang, and then can drive cleaning brush 20 circumferential rotations and carry out cleaning to the surface of dust screen 15, effectively avoids dust screen 15 to be blockked up and influence the ventilation effect.

When dwang 19 circumferential rotation, can drive planetary gear 21 circumferential rotation, under the effect of fixed ring gear 22, planetary gear 21 circumferential rotation and rotation, and then can make cleaning brush 20 carry out the rotation simultaneously clean at the clear in-process of circumferential rotation, and cleaning performance is better.

When driving pulley 23 rotates, can drive extrusion piece 25 circular rotation, when extrusion piece 25 rotates to contact with movable block 27, can extrude movable block 27 and remove, and then can drive strikes pole 26 and keep away from dust screen 15, and tensile striking spring 29, when extrusion piece 25 rotates to and the movable block 27 breaks away from mutually, under the spring action who strikes spring 29, can drive and strike pole 26 automatic re-setting and strike on dust screen 15, make dust screen 15 take place the vibration, thereby can pop out the graininess plug on dust screen 15, ventilation cooling effect has been guaranteed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.