阅读说明：本技术 一种具有自清洁功能的高清摄像远程监控设备 (High definition camera shooting remote monitoring equipment with self-cleaning function ) 是由 邹治将 于 2021-07-20 设计创作，主要内容包括：本发明提供一种具有自清洁功能的高清摄像远程监控设备,包括外罩、底座和监控器,所述外罩的一侧的内壁上卡有内环,所述内环的内侧焊接有斜板,所述斜板的一侧设置有刮板,所述刮板通过转轴安装在斜板的一侧,所述刮板的一端焊接有配重,所述转轴的外边侧套设有扭簧,所述外罩的另一侧的内壁上焊接有风筒,该具有自清洁功能的高清摄像远程监控设备能够对监控器进行清洗作业,将监控器表面清洗干净,避免得杂质挡住监控器的视线,保障监控画面清晰,避免刮板遮挡住监控器的部分视线,防止监控画面有死角,保障监控画面的完整性,防止杂质、飞絮等阻碍空气的流通,保障刮板清洗监控器所需的风速,保障清洗效果,适用于远程监控使用。(The invention provides high-definition camera remote monitoring equipment with a self-cleaning function, which comprises an outer cover, a base and a monitor, wherein an inner ring is clamped on the inner wall of one side of the outer cover, an inclined plate is welded on the inner side of the inner ring, a scraper is arranged on one side of the inclined plate, the scraper is installed on one side of the inclined plate through a rotating shaft, a balance weight is welded at one end of the scraper, a torsion spring is sleeved on the outer side of the rotating shaft, and an air duct is welded on the inner wall of the other side of the outer cover. The required wind speed of scraper blade washing watch-dog is ensured, the guarantee cleaning performance is applicable to remote monitoring and is used.)

1. The utility model provides a high definition remote monitering equipment of making a video recording with self-cleaning function which characterized in that: comprises a housing (1), a base (2) and a monitor (3), wherein the monitor (3) is arranged at the inner side of the housing (1), the base (2) is welded at the bottom of the housing (1), an inner ring (4) is clamped on the inner wall of one side of the housing (1), an inclined plate (5) is welded at the inner side of the inner ring (4), a scraper (6) is arranged at one side of the inclined plate (5) through a rotating shaft (7), a counterweight (8) is welded at one end of the scraper (6), a torsion spring (9) is sleeved at the outer side of the rotating shaft (7), an air duct (10) is welded on the inner wall of the other side of the housing (1), a grid (11) is welded at the outer side of the other end of the housing (1), a motor (12) is arranged at the inner side of the air duct (10), a main shaft (13) is arranged at one side of the motor (12), the welding of the one end of main shaft (13) has flabellum (14), fixed sleeve (15) are installed through the bolt to one side of motor (12), one side card of fixed sleeve (15) has changeing cover (16), the outside side welding of main shaft (13) has gear one (17), the inboard card of changeing cover (16) has gear two (18), the center department welding of gear two (198) has pillar (19), insection (20) have been seted up on the inner wall of changeing cover (16), the outside side welding of main shaft (13) has blade one (21), the outside side welding of changeing cover (16) has blade two (18), the outside side cover of watch-dog (3) is equipped with spiral shell (23).

2. The high-definition camera remote monitoring device with the self-cleaning function as claimed in claim 1, wherein: the motor (12) is welded at the center of the air duct (10) through a support rod, and the fan blades (14) are installed on an output shaft of the motor (12) through a main shaft (13).

3. The high-definition camera remote monitoring device with the self-cleaning function as claimed in claim 1, wherein: the outer side of the spiral plate (23) is welded on the inner wall of the outer cover (1), and the inner side of the spiral plate (23) is bonded on the outer side of the monitor (3).

4. The high-definition camera remote monitoring device with the self-cleaning function as claimed in claim 1, wherein: the inner ring (4) is installed on the inner wall of the outer cover (1) through a bearing, the inclined plate (5) is evenly distributed on the inner side of the inner ring (4), and the inclined plate (5) is arranged on the outer side of the monitor (3).

5. The high-definition camera remote monitoring device with the self-cleaning function as claimed in claim 1, wherein: one end card of scraper blade (6) has been seted up the bayonet socket in one side of watch-dog (3) on counter weight (8), the bayonet socket card is passed through in the inboard of counter weight (8) to the one end of torsional spring (9), the other end of torsional spring (9) is walked around the outside of pivot (7) and is blocked in the inboard of pivot (7).

6. The high-definition camera remote monitoring device with the self-cleaning function as claimed in claim 1, wherein: the rotating sleeve (16) is arranged on one side of the fixed sleeve (15) through a bearing, and the rotating sleeve (16) and the fixed sleeve (15) are sleeved on the outer side of the main shaft (13).

7. The high-definition camera remote monitoring device with the self-cleaning function as claimed in claim 1, wherein: the second gear (18) is clamped on the inner side of the rotating sleeve (16), and the support column (19) is installed on one side of the motor (12) through a bearing.

8. The high-definition camera remote monitoring device with the self-cleaning function as claimed in claim 1, wherein: the first gear (17) is meshed with the second gear (18), and the second gear (18) is meshed with the insections (20).

9. The high-definition camera remote monitoring device with the self-cleaning function as claimed in claim 1, wherein: the first blade (21) is arranged on one side of the second blade (22), and the other ends of the first blade (21) and the second blade (22) are clamped on the inner side of the air duct (10).

10. The high-definition camera remote monitoring device with the self-cleaning function as claimed in claim 1, wherein: monitor (3) external remote switch group, remote switch group is connected with monitor (3) and motor (12) through the electric wire.

Technical Field

The invention relates to the technical field of remote monitoring equipment, in particular to high-definition camera shooting remote monitoring equipment with a self-cleaning function.

Background

The remote monitoring equipment can ensure that personnel do not need to enter the site, and can observe the conditions of the site in real time through display equipment such as mobile phones, electric energy and the like, thereby effectively ensuring the safety of the materials, properties and personnel of people, the prior remote monitoring equipment basically has the advantages of clear monitoring picture, high data transmission speed, good working stability, long service life and the like, and can meet the use requirements of real-time monitoring on different sites, however, for the prior remote monitoring equipment, on one hand, when in work, the surface of the monitor is easily attached by impurities in the air, thereby leading the impurities to easily block the sight of the monitor, leading the monitoring picture to be fuzzy or even completely blocked, being not beneficial to ensuring the monitoring work of the monitor, on the other hand, when cleaning equipment is used for automatically cleaning the monitor, when the cleaning equipment does not work, cause wiper mechanism to shelter from the partial sight of watch-dog easily, need and then reduce monitoring range easily, cause the control dead angle, on the one hand again, when utilizing the air current degree watch-dog to wash, cause impurity flying wadding etc. in the air to enter into the inboard of equipment easily, and then block up the wind channel easily or twine the flabellum, and then reduce the wind speed easily, be unfavorable for the guarantee cleaning performance.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide high-definition camera shooting remote monitoring equipment with a self-cleaning function so as to solve the problems in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: a high-definition camera shooting remote monitoring device with a self-cleaning function comprises an outer cover, a base and a monitor, wherein the monitor is installed on the inner side of the outer cover, the base is welded at the bottom of the outer cover, an inner ring is clamped on the inner wall of one side of the outer cover, an inclined plate is welded on the inner side of the inner ring, a scraper is arranged on one side of the inclined plate and is installed on one side of the inclined plate through a rotating shaft, a balance weight is welded at one end of the scraper, a torsion spring is sleeved on the outer side of the rotating shaft, an air duct is welded on the inner wall of the other side of the outer cover, a grid is welded on the outer side of the other end of the outer cover, a motor is installed on the inner side of the air duct, a main shaft is installed on one side of the motor, fan blades are welded on one end of the main shaft, a fixed sleeve is installed on one side of the motor through bolts, a rotary sleeve is clamped on one side of the fixed sleeve, a first gear is welded on the outer side of the main shaft, a second gear is clamped on the inner side of the rotating sleeve, a support column is welded at the center of the second gear, insections are formed in the inner wall of the rotating sleeve, a first blade is welded to the outer side of the main shaft, a second blade is welded to the outer side of the rotating sleeve, and a screw plate is sleeved on the outer side of the monitor.

As a preferred embodiment of the present invention, the motor is welded at the center of the wind barrel through a support rod, and the fan blades are mounted on the output shaft of the motor through a main shaft.

In a preferred embodiment of the present invention, the outer side of the screw plate is welded to the inner wall of the housing, and the inner side of the screw plate is bonded to the outer side of the monitor.

In a preferred embodiment of the present invention, the inner ring is mounted on the inner wall of the housing through a bearing, and the swash plates are uniformly distributed on the inner side of the inner ring and are disposed on the outer side of the monitor.

As a preferred embodiment of the present invention, one end of the scraper is clamped at one side of the monitor, the counterweight is provided with a bayonet, one end of the torsion spring is clamped at the inner side of the counterweight through the bayonet, and the other end of the torsion spring bypasses the outer side of the rotating shaft and is clamped at the inner side of the rotating shaft.

As a preferred embodiment of the present invention, the rotating sleeve is mounted on one side of the fixed sleeve through a bearing, and both the rotating sleeve and the fixed sleeve are sleeved on the outer side of the main shaft.

In a preferred embodiment of the present invention, the second gear is clamped inside the rotating sleeve, and the support is mounted on one side of the motor through a bearing.

In a preferred embodiment of the present invention, the first gear is engaged with the second gear, and the second gear is engaged with the insections.

As a preferred embodiment of the present invention, the first blade is disposed at one side of the second blade, and the other ends of the first blade and the second blade are both clamped inside the air duct.

In a preferred embodiment of the present invention, the monitor is externally connected to a remote switch set, and the remote switch set is connected to the monitor and the motor through wires.

Compared with the prior art, the invention has the beneficial effects that:

1. when the high-definition camera shooting remote monitoring equipment with the self-cleaning function is used, the motor is remotely turned on, the motor drives the fan blades to rotate through the main shaft, the fan blades are utilized to blow air flow to the monitor, the air flow passes through the outer side of the monitor and flows around the monitor under the guidance of the screw plate, the spiral gap of the screw plate is utilized to improve the flowing speed of the air flow at the outer side of the monitor, the heat on the monitor can be quickly taken away conveniently, the heat dissipation operation of the monitor is effectively carried out, the safety of the working temperature of the monitor is guaranteed, when the air flow flows to the outer side of the right end of the monitor, the air flow blows the inclined plate, the inclined plate drives the inner ring to quickly rotate at the inner side of the outer cover through the bearing, when the inner ring quickly rotates, the inclined plate can be utilized to drive the scraper to quickly rotate, the scraper drives the counter weight to rotate at one side of the monitor, and when the counter weight rotates, produce the centrifugal force that is bigger than the scraper blade, make the torsion that the torsional spring was overcome through the pivot to the outside of watch-dog to the counter weight under the effect of centrifugal force, the scraper blade rotates the inboard of watch-dog through the pivot, and make the one end of two scraper blades rotate the center department of watch-dog and block each other together, when the scraper blade is in the quick rotation in the right side of watch-dog, wash the operation on the right side of watch-dog effectively, with watch-dog surperficial impurity, sanitization such as dust, avoid getting impurity effectively and block the sight of watch-dog, the guarantee control picture is clear, the control work of guarantee watch-dog.

2. This remote supervisory equipment with self-cleaning function makes a video recording of high definition is when using, after cleaning work accomplishes, close the motor, the flabellum no longer bloies to the watch-dog, make scraper blade and counter weight no longer rotate, counter weight and scraper blade rotate under the torsion of torsional spring, rotate the outside of watch-dog with the scraper blade, thereby avoid the scraper blade to shelter from the partial sight of living the watch-dog effectively, prevent that the control picture from causing the control dead angle because of sheltering from of scraper blade, ensure the integrality of control picture.

3. When the high-definition camera shooting remote monitoring equipment with the self-cleaning function is used, the motor drives the main shaft to rotate, the main shaft drives the gear II to reversely rotate through the gear, the gear II drives the rotating sleeve and the gear II to synchronously rotate through meshing with the insections, so that the rotating direction of the rotating sleeve is opposite to that of the main shaft, when the rotating sleeve and the main shaft reversely rotate, the main shaft and the rotating sleeve respectively drive the blade I and the blade II to rotate, and the rotating direction of the blade I is opposite to that of the blade II, when the fan blades rotate to suck air from the left side of the outer cover, impurities, flying cotton fibers and the like in the air enter the air duct through the grille, the impurities, the flying cotton fibers and the like are cut up through the blade II and the blade I, the impurities, the flying cotton fibers and the like are prevented from being wound on the fan blades, the screw plates, the inclined plates, the scraping plates and the like, and the particle sizes of the impurities, the flying cotton fibers and the like are smaller, make it take away by the air current more easily to avoid impurity, flying wadding etc. to produce effectively and pile up in the dustcoat, prevent that impurity, flying wadding etc. from hindering the circulation of air, the required wind speed of guarantee scraper blade washing watch-dog, guarantee cleaning performance.

Drawings

Fig. 1 is a schematic structural diagram of a high-definition camera remote monitoring device with a self-cleaning function according to the present invention;

FIG. 2 is a cross-sectional view of a high-definition camera remote monitoring device with a self-cleaning function according to the present invention;

FIG. 3 is a side sectional view of a high-definition camera remote monitoring device with a self-cleaning function according to the present invention;

FIG. 4 is a cross-sectional view of a torsion spring of a high-definition camera remote monitoring device with a self-cleaning function according to the invention;

fig. 5 is a schematic structural diagram of an inclined plate of a high-definition camera remote monitoring device with a self-cleaning function according to the present invention;

FIG. 6 is a cross-sectional view of a rotating sleeve of a high-definition camera remote monitoring device with a self-cleaning function according to the invention;

in the figure: 1. a housing; 2. a base; 3. a monitor; 4. an inner ring; 5. a sloping plate; 6. a squeegee; 7. a rotating shaft; 8. balancing weight; 9. a torsion spring; 10. an air duct; 11. a grid; 12. a motor; 13. a main shaft; 14. a fan blade; 15. fixing a sleeve; 16. rotating the sleeve; 17. a first gear; 18. a second gear; 19. a pillar; 20. insection; 21. a first blade; 22. a second blade; 23. a screw plate.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a high definition remote monitering apparatus that makes a video recording with self-cleaning function, includes dustcoat 1, base 2 and watch-dog 3, the inboard at dustcoat 1 is installed to watch-dog 3, the welding of base 2 is in the bottom of dustcoat 1, the card has inner ring 4 on the inner wall of one side of dustcoat 1, the inboard welding of inner ring 4 has swash plate 5, one side of swash plate 5 is provided with scraper blade 6, scraper blade 6 installs the one side at swash plate 5 through pivot 7, the welding of one end of scraper blade 6 has counter weight 8, the outside side cover of pivot 7 is equipped with torsional spring 9, the welding has dryer 10 on the inner wall of the opposite side of dustcoat 1, the outside side welding of the other end of dustcoat 1 has grid 11, motor 12 is installed to the inboard of dryer 10, main shaft 13 is installed to one side of motor 12, the welding of one end of main shaft 13 has flabellum 14, fixed cover 15 is installed through the bolt to one side of motor 12, the utility model discloses a protective device for a monitor, including fixed sleeve 15, principal axis 13, supporting column, screw plate 23, outer side cover, fixed sleeve 15, the card of one side of fixed sleeve 15 has changeed cover 16, the outside side welding of principal axis 13 has gear 17, the inboard card of changeing cover 16 has gear two 18, the center department welding of gear two 198 has pillar 19, the insection 20 has been seted up on the inner wall of changeing cover 16, the outside side welding of principal axis 13 has blade one 21, the outside side welding of changeing cover 16 has blade two 18, the outside side cover of monitor 3 is equipped with screw plate 23, can utilize dustcoat 1 to protect monitor 3 effectively, prevents that monitor 3 from being drenched by sleet to avoid external foreign matter to strike monitor 3, ensure monitor 3's work safety.

In a preferred embodiment of the present invention, the monitor 3 is externally connected with a remote switch set, and the remote switch set is connected with the monitor 3 and the motor 12 through wires.

In a preferred embodiment of the present invention, the motor 12 is welded to the center of the air duct 10 through a support rod, and the fan blades 14 are mounted on the output shaft of the motor 12 through a main shaft 13.

As a preferred embodiment of the present invention, the outer side of the screw plate 23 is welded to the inner wall of the housing 1, and the inner side of the screw plate 23 is bonded to the outer side of the monitor 3, when the monitor 3 needs to be cleaned, the motor 12 can be remotely turned on, so that the motor 12 drives the fan blade 14 to rotate through the main shaft 13, the fan blade 14 blows air flow to the monitor 3, the air flow passes through the outer side of the monitor 3 and flows around the monitor 3 under the guidance of the screw plate 23, and the spiral gap of the screw plate 3 is utilized to increase the flow speed of the air flow outside the monitor 3, which is convenient for rapidly taking away heat on the monitor 3, thereby effectively performing heat dissipation operation on the monitor 3 and ensuring the safety of the operating temperature of the monitor 3.

As a preferred embodiment of the present invention, the inner ring 4 is mounted on the inner wall of the housing 1 through a bearing, the inclined plate 5 is uniformly distributed on the inner side of the inner ring 4, the inclined plate 5 is disposed on the outer side of the monitor 3, and when the air flow flows to the outer side of the right end of the monitor 3, the air flow blows the inclined plate 5, so that the inclined plate 5 drives the inner ring 4 to rapidly rotate on the inner side of the housing 1 through the bearing.

As a preferred embodiment of the present invention, one end of the scraper 6 is clamped at one side of the monitor 3, the counterweight 8 is provided with a bayonet, one end of the torsion spring 9 is clamped at the inner side of the counterweight 8 through the bayonet, the other end of the torsion spring 9 bypasses the outer side of the rotating shaft 7 and is clamped at the inner side of the rotating shaft 7, when the inner ring 4 rotates rapidly, the scraper 6 can be driven by the inclined plate 5 to rotate rapidly, the scraper 6 drives the counterweight 8 to rotate at one side of the monitor 3, when the counterweight 8 rotates, a centrifugal force greater than that of the scraper 6 is generated, so that the counterweight 8 rotates to the outer side of the monitor 3 through the rotating shaft 7 by overcoming the torsion force of the torsion spring 9 under the action of the centrifugal force, the scraper 6 rotates to the inner side of the monitor 3 through the rotating shaft 7, and one end of the two scrapers 6 rotates to the center of the monitor 3 and are clamped together, when the scrapers 6 rotate rapidly at the right side of the monitor 3, the operation is washd on the right side of watch-dog 3 effectively, with the impurity on watch-dog 3 surface, sanitization such as dust, avoid getting impurity to block watch-dog 3's sight effectively, the guarantee control picture is clear, the control work of guarantee watch-dog 3, after the completion of cleaning work, close motor 12, flabellum 14 no longer bloies watch-dog 3, make scraper blade 6 and counter weight 8 no longer rotate, counter weight 8 and scraper blade 6 rotate under torsional spring 9's torsion, rotate scraper blade 6 to watch-dog 3's outside, thereby avoid scraper blade 6 to shelter from the partial sight of living watch-dog 3 effectively, prevent that the control picture from appearing causing the control dead angle because of sheltering from of scraper blade 6, the integrality of guarantee control picture.

In a preferred embodiment of the present invention, the rotating sleeve 16 is mounted on one side of the fixed sleeve 15 through a bearing, and both the rotating sleeve 16 and the fixed sleeve 15 are sleeved on the outer side of the main shaft 13.

In a preferred embodiment of the present invention, the first gear 17 is engaged with the second gear 18, the second gear 18 is engaged with the insections 20, when the motor 12 drives the main shaft 13 to rotate, the main shaft 13 drives the second gear 18 to rotate in the opposite direction through the first gear 17, and the second gear 18 drives the rotating sleeve 16 and the second gear 18 to rotate synchronously through the engagement with the insections 20, so that the rotating sleeve 16 and the main shaft 13 rotate in opposite directions.

In a preferred embodiment of the present invention, the second gear 18 is clamped inside the rotating sleeve 16, and the support 19 is mounted on one side of the motor 12 through a bearing.

As a preferred embodiment of the present invention, the first blade 21 is disposed at one side of the second blade 22, the other ends of the first blade 21 and the second blade 22 are clamped inside the wind barrel 10, when the rotating sleeve 16 and the main shaft 13 rotate in opposite directions, the main shaft 13 and the rotating sleeve 16 respectively drive the first blade 21 and the second blade 22 to rotate, and the first blade 21 and the second blade 22 rotate in opposite directions, when the fan blade 14 rotates to suck air from the left side of the housing 1, impurities, flying flocks and the like in the air enter the wind barrel 10 through the grille 11, and the impurities, flying flocks and the like are cut by the first blade 21 and the second blade 22 when passing through the second blade 22 and the first blade 21, so as to prevent the impurities, flying flocks and the like from winding around the fan blade 14, the screw plate 23, the inclined plate 5, the scraper 6 and the like, and the impurities, flying flocks and the like are more easily taken away by the air flow because the impurities, the flying flocks and the like have smaller particle size, thereby effectively avoiding the impurities, flying and the impurities, the flying flocks and the like from being taken away by the air flow, The flying wadding etc. produces in the dustcoat 1 and piles up, prevents that impurity, flying wadding etc. from hindering the circulation of air, and the required wind speed of guarantee scraper blade 6 washing watch-dog ensures the cleaning performance.

The high-definition camera shooting remote monitoring equipment with the self-cleaning function supplies electric energy to all electric equipment through an external power supply, when a monitor 3 needs to be cleaned, a motor 12 can be remotely opened, the motor 12 drives a fan blade 14 to rotate through a main shaft 13, air flow is blown to the monitor 3 through the fan blade 14, the air flow passes through the outer side of the monitor 3 and flows around the monitor 3 under the guidance of a screw plate 23, the flow speed of the air flow on the outer side of the monitor 3 is improved through the spiral gap of the screw plate 3, the heat on the monitor 3 is conveniently and quickly taken away, the heat dissipation operation is effectively carried out on the monitor 3, the safety of the working temperature of the monitor 3 is guaranteed, when the air flow flows to the outer side of the right end of the monitor 3, the air flow blows an inclined plate 5, the inclined plate 5 drives an inner ring 4 to quickly rotate on the inner side of a housing 1 through a bearing, when the inner ring 4 quickly rotates, can utilize the swash plate 5 to drive the scraper 6 to rotate rapidly, the scraper 6 drives the counterweight 8 to rotate at one side of the monitor 3, the counterweight 8 generates centrifugal force larger than the scraper 6 when rotating, so that the counterweight 8 overcomes the torsion of the torsional spring 9 through the rotating shaft 7 under the action of the centrifugal force and rotates to the outer side of the monitor 3, the scraper 6 rotates to the inner side of the monitor 3 through the rotating shaft 7, and one end of the two scrapers 6 rotates to the center of the monitor 3 and is clamped together with each other, when the scraper 6 rotates rapidly at the right side of the monitor 3, cleaning operation is effectively carried out on the right side of the monitor 3, impurities, dust and the like on the surface of the monitor 3 are cleaned, the condition that the impurities block the sight line of the monitor 3 is effectively avoided, the monitoring picture is clear, the monitoring work of the monitor 3 is ensured, after the cleaning work is completed, the motor 12 is closed, the fan blade 14 does not blow air to the monitor 3 any more, so that the scraper 6 and the counterweight 8 do not rotate any more, the counterweight 8 and the scraper 6 rotate under the torsion of the torsion spring 9, the scraper 6 rotates to the outer side of the monitor 3, thereby effectively preventing the scraper 6 from blocking part of the sight of the monitor 3, preventing the monitoring picture from generating monitoring dead angles due to the blocking of the scraper 6, and ensuring the integrity of the monitoring picture, when the motor 12 drives the main shaft 13 to rotate, the main shaft 13 drives the gear two 18 to rotate reversely through the gear one 17, the gear two 18 drives the rotating sleeve 16 and the gear two 18 to rotate synchronously through the meshing with the insections 20, so that the rotating sleeve 16 and the main shaft 13 rotate in opposite directions, when the rotating sleeve 16 and the main shaft 13 rotate reversely, the main shaft 13 and the rotating sleeve 16 respectively drive the blade one 21 and the blade two 22 to rotate, and the blade one 21 and the blade two 22 rotate in opposite directions, when the fan blade 14 rotates to suck air from the left side of the outer cover 1, after impurities, flying cotton and the like in the air enter the air duct 10 through the grating 11, the impurities, the flying cotton and the like are cut up by utilizing the first blade 21 and the second blade 22 when passing through the second blade 22 and the first blade 21, the impurities, the flying cotton and the like are prevented from being wound on the fan blades 14, the screw plates 23, the inclined plates 5, the scraping plates 6 and the like, and the impurities, the flying cotton and the like are more easily taken away by the air flow because the particle sizes of the impurities, the flying cotton and the like are smaller, so that the impurities, the flying cotton and the like are effectively prevented from being accumulated in the outer cover 1, the impurities, the flying cotton and the like are prevented from obstructing the circulation of the air, the air speed required by the cleaning monitor of the scraping plates 6 is ensured, and the cleaning effect is ensured.

While there have been shown and described what are at present considered the fundamental principles of the invention and its essential features and advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.