阅读说明：本技术 一种具有过滤排气功能的节能型变压器 (Energy-saving transformer with filtering and exhausting functions ) 是由 吉立志 李涛 秦慧鑫 王永琦 王善显 于 2021-08-05 设计创作，主要内容包括：本发明公开了一种具有过滤排气功能的节能型变压器,具体涉及变压器领域,包括机体,机体的侧面固定安装有驱动电机,驱动电机的输出端固定套接有第一传动杆,第一传动杆的表侧壁固定套接有导流风扇,第一传动杆的表侧壁活动套接有传动皮带,机体的侧面还固定安装有空气过滤网,空气过滤网的内侧固定安装有第一滤网铁丝,空气过滤网的内侧还固定安装有第二滤网铁丝。上述方案通过驱动电机一个驱动机构带动多个传动机构共同运动完成排气过滤功能,第一滤网铁丝第二滤网铁丝通过和弧形磁铁的影响在产生形变的同时互相摩擦,完成滤网的自动清洁,提高了工作效率的同时,降低了生产和运营成本。(The invention discloses an energy-saving transformer with a filtering and exhausting function, and particularly relates to the field of transformers. Above-mentioned scheme drives a plurality of drive mechanism common motions through a driving mechanism of driving motor and accomplishes the exhaust filtering capability, and first filter screen iron wire second filter screen iron wire rubs mutually when producing deformation through the influence with arc magnet, accomplishes the self-cleaning of filter screen, when having improved work efficiency, has reduced production and operation cost.)

1. The energy-saving transformer with the filtering and exhausting functions comprises a transformer body (1), wherein a driving motor (3) is fixedly mounted on the side face of the transformer body (1), and is characterized in that a first transmission rod (4) is fixedly sleeved at the output end of the driving motor (3), a flow guide fan (5) is fixedly sleeved on the surface side wall of the first transmission rod (4), a transmission belt (6) is movably sleeved on the surface side wall of the first transmission rod (4), an insulation plate (7) is fixedly mounted on the inner side of the transformer body (1), an air filter screen (8) is fixedly mounted on the side face of the transformer body (1), and a rain cover (2) is fixedly mounted on the outer side of the transformer body (1);

a first transmission gear (41) is fixedly sleeved on the surface side wall of the first transmission rod (4), a fixed bearing (42) is fixedly installed on the inner side of the machine body (1), a second transmission rod (44) is fixedly sleeved on the inner side of the fixed bearing (42), a second transmission gear (43) is fixedly sleeved on the bottom end of the second transmission rod (44), a third transmission gear (45) is fixedly sleeved on the top end of the second transmission rod (44), a third transmission rod (47) is further fixedly installed on the inner side of the machine body (1), and a fourth transmission gear (46) is fixedly sleeved on the surface side wall of the third transmission rod (47);

a first bearing (71) is fixedly installed on the side face of the insulating plate (7), a fifth transmission rod (72) is fixedly sleeved on the inner side of the first bearing (71), a second bearing (73) is further fixedly installed on the side face of the insulating plate (7), a sixth transmission rod (74) is fixedly sleeved on the inner side of the second bearing (73), an exhaust fan transmission gear (75) is fixedly sleeved on the surface side wall of the fifth transmission rod (72), an exhaust fan (77) is further fixedly sleeved on the top end of the fifth transmission rod (72), and a driven gear (76) is fixedly sleeved on the top end of the sixth transmission rod (74);

magnet spout (81) have been seted up on the surface of airstrainer (8), rotation spout (82) have been seted up to the bottom of magnet spout (81), arc magnet (83) have been placed to the inboard of rotation spout (82), the bottom fixed mounting of arc magnet (83) has arc (78), the side fixed mounting of arc (78) has rotation ring gear (9), the inboard fixed mounting of airstrainer (8) has first filter screen iron wire (84), the inboard still fixed mounting of airstrainer (8) has second filter screen iron wire (85).

2. The energy-saving transformer with the function of filtering exhaust gas according to claim 1, wherein the rain cover (2) is shaped like a hemisphere, and the rain cover (2) is a member made of a sun-proof corrosion-resistant insulating material.

3. The energy-saving transformer with filtering and exhausting functions as claimed in claim 1, wherein the bottom side of the transformer (10) is provided with a circular ventilation slot, and the diameter of the circular ventilation slot is larger than the diameter of the fan blade of the guiding fan (5).

4. The energy-saving transformer with the exhaust filtering function according to claim 1, wherein the first transmission gear (41) is engaged with the second transmission gear (43), the third transmission gear (45) is engaged with the fourth transmission gear (46), the surface side walls of the second transmission rod (44) and the third transmission rod (47) are fixedly sleeved with a flow guide fan (5), and the third transmission rod (47) and the first transmission rod (4) are connected with the inner side wall of the machine body (1) through an inner side rotating bearing fixedly installed on the machine body (1).

5. The energy-saving type transformer with filtering exhaust function according to claim 1, characterized in that the exhaust fan transmission gear (75) is engaged with the driven gear (76), and the outer side wall of the driven gear (76) is engaged with the inner side wall of the rotating ring gear (9).

6. The energy-saving transformer with the function of filtering exhaust gas according to claim 1, wherein the transmission belt (6) is movably sleeved with the first transmission rod (4) and is also movably sleeved with the fifth transmission rod (72), the contact part of the first transmission rod (4) and the fifth transmission rod (72) with the transmission belt (6) is subjected to rough treatment, and the transmission belt (6) is designed to be kept in a tensed state in the whole process while being movably sleeved with the first transmission rod (4) and the fifth transmission rod (72).

7. The energy-saving transformer with filtering and exhausting functions as recited in claim 1, the size of the arc-shaped magnet (83) is matched with that of the magnet sliding groove (81), the size of the rotating chute (82) is matched with that of the arc-shaped plate (78), the first screen iron wire (84) and the second screen iron wire (85) are metal components with good magnetism and good toughness, the first screen wire (84) is of a size consistent with the second screen wire (85), the first screen wire (84) and the second screen wire (85) are arranged at positions perpendicular to each other, the first screen wire (84) and the second screen wire (85) are not mounted in the same horizontal plane and the first screen wire (84) and the second screen wire (85) are held in surface contact with each other.

Technical Field

The invention relates to the technical field of transformers, in particular to an energy-saving transformer with filtering and exhausting functions.

Background

In electrical equipment and wireless circuits, transformers are often used to step up and down voltage, match impedance, safety isolation, etc. In a generator, an electric potential is induced in a coil, whether the coil is moved through a magnetic field or the magnetic field is moved through a stationary coil, in both cases the value of the flux is constant, but the amount of flux linked to the coil varies, which is the principle of mutual induction. The transformer is a device for transforming voltage, current and impedance by utilizing electromagnetic mutual induction, the temperature of a coil and an iron core can be increased due to the overhigh internal temperature of the transformer working for a long time, and the insulation part gradually loses mechanical elasticity to cause insulation aging due to the fact that the temperature exceeds a temperature allowable value for a long time, so that most of the transformers are provided with cooling devices or circulating devices, and the most common dry-type transformer and oil-immersed transformer with the cooling devices are provided.

However, most of the transformers adopted at present have disadvantages, the oil immersed transformer depends on oil as a cooling medium, but the storage and the use of liquid are difficult to be completely sealed, the aging of a sealing element is easy to occur after long-time operation, the oil leakage phenomenon often occurs, the maintenance is troublesome, the oil immersed transformer is large in size, the structure is multiple and complex, the manufacturing and maintenance cost is high, the common dry-type transformer carries out natural cooling through air convection, the cooling efficiency is low, the cooling effect is poor, the dry-type transformer with increased fan cooling can improve the cooling effect through fan cooling, but the dust in the air is increased, the dust can be attached to the surface of an internal element of the transformer, the normal work of the transformer is influenced, the fan filter screen can reduce the entering of impurities in the air, but the dust can be accumulated to block the mesh holes of the filter screen for a long time, affecting the filtering and venting effects.

Disclosure of Invention

In order to overcome the above-mentioned defects in the prior art, embodiments of the present invention provide an energy-saving transformer with a filtering and exhausting function, in which an air circulation is driven by a guiding fan to complete an exhausting effect, and the air filtering and the automatic cleaning effects of the filter screen are completed by matching a first filter screen iron wire, a second filter screen iron wire and an arc-shaped magnet, so as to solve the above-mentioned problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme that the energy-saving transformer with the function of filtering and exhausting air comprises a machine body, wherein a driving motor is fixedly installed on the side surface of the machine body, a first transmission rod is fixedly sleeved at the output end of the driving motor, a flow guide fan is fixedly sleeved on the surface side wall of the first transmission rod, a transmission belt is movably sleeved on the surface side wall of the first transmission rod, an insulation plate is fixedly installed on the inner side of the machine body, an air filter screen is fixedly installed on the side surface of the machine body, and a rain cover is fixedly installed on the outer side of the machine body;

a first transmission gear is fixedly sleeved on the surface side wall of the first transmission rod, a fixed bearing is fixedly mounted on the inner side of the machine body, a second transmission rod is fixedly sleeved on the inner side of the fixed bearing, a second transmission gear is fixedly sleeved at the bottom end of the second transmission rod, a third transmission gear is fixedly sleeved at the top end of the second transmission rod, a third transmission rod is also fixedly mounted on the inner side of the machine body, and a fourth transmission gear is fixedly sleeved on the surface side wall of the third transmission rod;

a first bearing is fixedly installed on the side face of the insulating plate, a fifth transmission rod is fixedly sleeved on the inner side of the first bearing, a second bearing is further fixedly installed on the side face of the insulating plate, a sixth transmission rod is fixedly sleeved on the inner side of the second bearing, an exhaust fan transmission gear is fixedly sleeved on the surface side wall of the fifth transmission rod, an exhaust fan is further fixedly sleeved on the top end of the fifth transmission rod, and a driven gear is fixedly sleeved on the top end of the sixth transmission rod;

the utility model discloses an air filter, including airstrainer, magnet spout, rotation spout, arc magnet's bottom fixed mounting has the arc, the side fixed mounting of arc has the rotation ring gear, airstrainer's inboard fixed mounting has first filter screen iron wire, airstrainer's inboard still fixed mounting has second filter screen iron wire.

Preferably, the rain-proof cover adopts the hemisphere molding, the rain-proof cover is sun-proof corrosion-resistant insulating material component.

Preferably, a circular ventilation groove is formed in the bottom side of the transformer, and the diameter of the circular ventilation groove is larger than the diameter of the fan blade of the guide fan.

Preferably, the first transmission gear is meshed with the second transmission gear, the third transmission gear is meshed with the fourth transmission gear, the surface side walls of the second transmission rod and the third transmission rod are fixedly sleeved with guide fans, and the third transmission rod and the first transmission rod are fixedly installed on the inner side of the machine body and connected with the inner side wall of the machine body through rotating bearings fixedly installed on the inner side of the machine body.

Preferably, the exhaust fan transmission gear is engaged with the driven gear, and an outer side wall of the driven gear is engaged with an inner side wall of the rotation ring gear.

Preferably, the transmission belt is movably sleeved with the first transmission rod and also movably sleeved with the fifth transmission rod, the contact parts of the first transmission rod and the fifth transmission rod with the transmission belt are subjected to rough treatment, and the transmission belt is designed to be kept in a whole tightening state while being movably sleeved with the first transmission rod and the fifth transmission rod.

Preferably, the size of arc magnet with the size phase-match of magnet spout, the size of rotation spout with the size phase-match of arc, first filter screen iron wire with the second filter screen iron wire is magnetism and good metal component of toughness, first filter screen iron wire with the size of second filter screen iron wire is unanimous, first filter screen iron wire with the mounted position mutually perpendicular of second filter screen iron wire, first filter screen iron wire with the mounted position of second filter screen iron wire is not at same horizontal plane just first filter screen iron wire with second filter screen iron wire keeps surface in contact with each other.

The invention has the technical effects and advantages that:

1. in the above scheme, the diversion fans are fixedly sleeved on the surface side surfaces of the first transmission rod, the second transmission rod and the third transmission rod, air internal circulation airflow is formed on the inner side of the machine body during rotation, and is finally discharged through the air filter screen, so that the speed of internal and external air circulation can be increased, the internal air of the machine body can be efficiently discharged, the internal and external air circulation of the machine body is completed, the exhaust efficiency is improved, the transmission mechanism is completed through one driving mechanism of the driving motor, no driving mechanism needs to be additionally arranged, the production cost is reduced, and the effect of saving resources is achieved;

2. in the above scheme, when the arc magnet rotates along the magnet chute, the arc magnet can attract the arc magnet and the second filter screen iron wire, when the arc magnet moves to a position parallel to the first filter screen iron wire, the magnetic force of the arc magnet on the first filter screen iron wire is larger, and the first filter screen iron wire can generate a deformation effect on the position of the arc magnet due to the toughness of the first filter screen iron wire, and similarly, the second filter screen iron wire also generates a deformation effect along with the position change of the arc magnet, and because the position mounting positions of the first filter screen iron wire and the second filter screen iron wire are perpendicular to each other, the mounting positions of the first filter screen iron wire and the second filter screen iron wire are not on the same horizontal plane and keep the surfaces in contact with each other, consequently first filter screen iron wire with the second filter screen iron wire is following when the position of arc magnet takes place deformation first filter screen iron wire with the contact site of second filter screen iron wire is also at the looks mutual friction always, right first filter screen iron wire with the adnexed dust in surface and impurity of second filter screen iron wire play clear effect, and the impurity of the dust that drops just passes through again exhaust fan's rotation blows to the outside of organism has also accomplished the self-cleaning effect of filter screen when carrying out the filterable to the air that gets into, has not only prevented that the impurity of the air inlet in-process of mechanism from sneaking into, has also accomplished the self-cleaning effect of filter screen, has reduced follow-up operation cost, has also reduced the probability that the mechanism operation breaks down.

Drawings

FIG. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

FIG. 3 is a schematic view of the driving structure of the present invention;

FIG. 4 is a schematic view of the mounting structure of the exhaust mechanism of the present invention;

FIG. 5 is a schematic view of the transmission structure of the exhaust mechanism of the present invention;

FIG. 6 is a schematic view of an air screen according to the present invention.

The reference signs are:

1. a body; 2. a rain cover; 3. a drive motor; 4. a first drive lever; 5. a flow guiding fan; 6. a drive belt; 7. an insulating plate; 8. an air filter screen; 9. rotating the gear ring; 10. a transformer; 41. a first drive gear; 42. fixing the bearing; 43. a second transmission gear; 44. a second transmission rod; 45. a third transmission gear; 46. a fourth transmission gear; 47. a third transmission rod; 71. a first bearing; 72. a fifth transmission rod; 73. a second bearing; 74. a sixth transmission rod; 75. an exhaust fan transmission gear; 76. a driven gear; 77. an exhaust fan; 78. an arc-shaped plate; 81. a magnet chute; 82. rotating the chute; 83. an arc-shaped magnet; 84. a first filter screen iron wire; 85. and a second filter screen iron wire.

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.

The embodiment of the invention provides an energy-saving transformer with a filtering and exhausting function as shown in fig. 1 to 6, which comprises a machine body 1, wherein a driving motor 3 is fixedly installed on the side surface of the machine body 1, a first transmission rod 4 is fixedly sleeved at the output end of the driving motor 3, a flow guide fan 5 is fixedly sleeved on the surface side wall of the first transmission rod 4, a transmission belt 6 is movably sleeved on the surface side wall of the first transmission rod 4, an insulation plate 7 is fixedly installed on the inner side of the machine body 1, an air filter screen 8 is also fixedly installed on the side surface of the machine body 1, and a rain cover 2 is also fixedly installed on the outer side of the machine body 1;

a first transmission gear 41 is fixedly sleeved on the surface side wall of the first transmission rod 4, a fixed bearing 42 is fixedly installed on the inner side of the machine body 1, a second transmission rod 44 is fixedly sleeved on the inner side of the fixed bearing 42, a second transmission gear 43 is fixedly sleeved on the bottom end of the second transmission rod 44, a third transmission gear 45 is fixedly sleeved on the top end of the second transmission rod 44, a third transmission rod 47 is also fixedly installed on the inner side of the machine body 1, and a fourth transmission gear 46 is fixedly sleeved on the surface side wall of the third transmission rod 47;

a first bearing 71 is fixedly installed on the side surface of the insulating plate 7, a fifth transmission rod 72 is fixedly sleeved on the inner side of the first bearing 71, a second bearing 73 is further fixedly installed on the side surface of the insulating plate 7, a sixth transmission rod 74 is fixedly sleeved on the inner side of the second bearing 73, an exhaust fan transmission gear 75 is fixedly sleeved on the surface side wall of the fifth transmission rod 72, an exhaust fan 77 is further fixedly sleeved on the top end of the fifth transmission rod 72, and a driven gear 76 is fixedly sleeved on the top end of the sixth transmission rod 74;

magnet spout 81 has been seted up on air filter 8's surface, and rotation spout 82 has been seted up to magnet spout 81's bottom, and arc magnet 83 has been placed to the inboard of rotation spout 82, and arc magnet 83's bottom fixed mounting has arc 78, and the side fixed mounting of arc 78 has rotation ring gear 9, and air filter 8's inboard fixed mounting has second filter screen iron wire 85, and air filter 8's inboard still fixed mounting has second filter screen iron wire 85.

As shown in fig. 1, the rain cover 2 is in a hemispherical shape, and the rain cover 2 is a sun-proof corrosion-resistant insulating material member;

specifically, the hemisphere shape can reduce the attached of rainwater and debris, and sun-proof corrosion-resistant insulating material can prevent most problems that appear in the bad weather, can increase the stability and the life of system.

As shown in fig. 2, a circular ventilation slot is formed at the bottom side of the transformer 10, and the diameter of the circular ventilation slot is larger than the diameter of the fan blade included in the guiding fan 5;

specifically, the circular ventilation slot formed at the bottom side of the transformer 10 enables air inside the machine body 1 to flow to form a circulation structure, and the air flow rate is increased to increase the efficiency of discharging the air inside the machine body, so that the exhaust efficiency is improved.

As shown in fig. 3, the first transmission gear 41 is engaged with the second transmission gear 43, the third transmission gear 45 is engaged with the fourth transmission gear 46, the guide fans 5 are fixedly sleeved on the surface side walls of the second transmission rod 44 and the third transmission rod 47, and the third transmission rod 47 and the first transmission rod 4 are connected with the inner side wall of the machine body 1 through the inner side rotating bearing fixedly installed on the machine body 1;

specifically, the first transmission gear 41 is meshed with the second transmission gear 43, the third transmission gear 45 is meshed with the fourth transmission gear 46, the driving motor 3 is electrified to drive the first transmission rod 4 to rotate, the first transmission rod 4 drives the second transmission gear 43 to rotate through the first transmission gear 41, the second transmission rod 44 drives the fourth transmission gear 46 to rotate through the third transmission gear 45, the fourth transmission gear 46 drives the diversion fan 5 to rotate through the third transmission gear 45, one driving mechanism is adopted to drive a plurality of transmission mechanisms, and production and operation costs are saved.

As shown in fig. 5, the exhaust fan drive gear 75 meshes with the driven gear 76, and the outer side wall of the driven gear 76 meshes with the inner side wall of the rotary ring gear 9;

specifically, the exhaust fan transmission gear 75 rotates to drive the driven gear 76 to rotate along the sixth transmission rod 74, the driven gear 76 drives the rotating gear ring 9 to rotate through the teeth on the inner side wall of the rotating gear ring 9, meanwhile, the exhaust fan transmission gear 75 and the driven gear 76 are matched with the planetary gear structure of the rotating gear ring 9 to reduce the transmission of the rotating gear ring 9, so that the rotating speed of the rotating gear ring 9 is smaller than that of the exhaust fan transmission gear 75, the slow stable rotation of the rotating gear ring 9 is also beneficial to the operation of the system, and the working stability of the filter screen cleaning system is improved.

As shown in fig. 4, the driving belt 6 is movably sleeved with the first driving rod 4 and also movably sleeved with the fifth driving rod 72, the contact parts of the first driving rod 4 and the fifth driving rod 72 with the driving belt 6 are subjected to rough treatment, and the size of the driving belt 6 is designed to keep a whole-course tensed state while the first driving rod 4 and the fifth driving rod 72 are movably sleeved;

specifically, the power of the first transmission rod 4 can be transmitted to the fifth transmission rod 72 through the transmission belt 6, the contact parts of the first transmission rod 4 and the fifth transmission rod 72 with the transmission belt 6 are subjected to rough treatment to increase the friction force of the contact parts of the first transmission rod 4 and the fifth transmission rod 72 with the transmission belt 6, and the size of the transmission belt 6 is designed to be capable of keeping a tightened state in the whole process while the first transmission rod 4 and the fifth transmission rod 72 are movably sleeved, so that the transmission efficiency and the working stability of the transmission belt 6 can be guaranteed.

As shown in fig. 6, the size of the arc-shaped magnet 83 matches the size of the magnet chute 81, the size of the rotating chute 82 matches the size of the arc-shaped plate 78, the first filter screen iron wire 84 and the second filter screen iron wire 85 are metal members with good magnetism and toughness, the second filter screen iron wire 85 and the second filter screen iron wire 85 have the same size, the first filter screen iron wire 84 and the second filter screen iron wire 85 are installed at positions perpendicular to each other, the first filter screen iron wire 84 and the second filter screen iron wire 85 are installed at positions not on the same horizontal plane, and the first filter screen iron wire 84 and the second filter screen iron wire 85 keep surfaces in contact with each other;

specifically, when arc magnet 83 rotated along magnet spout 81, arc magnet 83 can play the attraction to arc magnet 83 and second filter screen iron wire 85, move when the position with first filter screen iron wire 84 when arc magnet 83 approached to the parallel more, first filter screen iron wire 84 received arc magnet 83's magnetic force big more, because first filter screen iron wire 84's toughness characteristic, first filter screen iron wire 84 can produce the deformation effect to the position of locating of arc magnet 83, and similarly, second filter screen iron wire 85 also produces the deformation effect along with arc magnet 83's position transform one straight to arc magnet 83's position, because first filter screen iron wire 84 and second filter screen iron wire 85's position mounted position mutually perpendicular, first filter screen iron wire 84 and second filter screen iron wire 85's mounted position is not at same horizontal plane and keep surface mutual contact, consequently first filter screen iron wire 84 and second filter screen iron wire 85 first filter screen 84 and second filter screen iron wire 85 take place deformation when following arc magnet 83's position, and first filter screen iron wire 84 and second filter screen iron wire 85 keep surface mutual contact The contact part of iron wire 85 also rubs each other always, the adnexed dust and impurity of surface to first filter screen iron wire 84 and second filter screen iron wire 85 play clear effect, the impurity of the dust that drops blows to the outside of organism 1 through exhaust fan 77's rotation again just, the self-cleaning effect of filter screen has also been accomplished when carrying out the filterable air to the entering, the impurity of the in-process that admits air that has not only prevented the mechanism sneaks into, the self-cleaning effect of filter screen has also been accomplished, follow-up running cost is reduced, the probability that the mechanism operation breaks down has also been reduced.

The working process of the invention is as follows:

the first step is as follows: the driving motor 3 is powered on, the driving motor 3 is powered on to drive the first transmission rod 4 to rotate, the first transmission rod 4 drives the second transmission gear 43 to rotate through the first transmission gear 41, the second transmission rod 44 drives the fourth transmission gear 46 to rotate through the third transmission gear 45, the fourth transmission gear 46 drives the diversion fan 5 to rotate through the third transmission gear 45, airflow differences are generated on two rotating sides of the diversion fan 5, air flows to form internal air circulation, the first transmission rod 4 drives the fifth transmission rod 72 to rotate through the transmission belt 6, the fifth transmission rod 72 drives the exhaust fan 77 to rotate, airflow differences are generated on two rotating sides of the exhaust fan 77 to form air flows, air in the machine body 1 is exhausted, the exhaust function is completed, one driving mechanism of the driving motor 3 drives a plurality of transmission mechanisms, and the production and operation costs are saved;

the second step is that: the exhaust fan transmission gear 75 rotates to drive the driven gear 76 to rotate along the sixth transmission rod 74, the driven gear 76 drives the rotary gear ring 9 to rotate through the teeth on the inner side wall of the rotary gear ring 9, the rotary gear ring 9 drives the arc magnet 83 to move along the magnet sliding groove 81 through the arc plate 78, when the arc magnet 83 rotates along the magnet sliding groove 81, the arc magnet 83 can attract the arc magnet 83 and the second filter screen wire 85, when the arc magnet 83 moves to be parallel to the first filter screen wire 84, the magnetic force of the arc magnet 83 on the first filter screen wire 84 is larger, due to the toughness of the first filter screen wire 84, the first filter screen wire 84 can generate a deformation effect on the position of the arc magnet 83, and similarly, the second filter screen wire 85 can generate a deformation effect along with the position change of the arc magnet 83 to the position of the arc magnet 83, and because the position installation positions of the first filter screen wire 84 and the second filter screen wire 85 are perpendicular to each other, the installation positions of the first filter screen iron wire 84 and the second filter screen iron wire 85 are not on the same horizontal plane and keep the surfaces of the first filter screen iron wire 84 and the second filter screen iron wire 85 in mutual contact, so that the contact parts of the first filter screen iron wire 84 and the second filter screen iron wire 85 are always in mutual friction when the first filter screen iron wire 84 and the second filter screen iron wire 85 are deformed along with the positions of the arc magnets 83, the dust and impurities attached to the surfaces of the first filter screen iron wire 84 and the second filter screen iron wire 85 are cleaned, the impurities of the fallen dust are blown to the outside of the machine body 1 just through the rotation of the exhaust fan 77, the automatic cleaning effect of the filter screens is also completed when the entering air is filtered, the impurities are prevented from being mixed in the air inlet process of the machine, the automatic cleaning effect of the filter screens is also completed, the subsequent operation cost is reduced, the failure probability of the machine operation is also reduced, and the planetary gear structure of the exhaust fan transmission gear 75 and the driven gear 76 which are matched to rotate the gear ring 9 can be used for cleaning the machine body The transmission of the rotating gear ring 9 is decelerated, so that the rotating speed of the rotating gear ring 9 is less than that of the exhaust fan transmission gear 75, the slow stable rotation of the rotating gear ring 9 is also beneficial to the operation of the system, and the working stability of the filter screen cleaning system is improved.

Finally, it should be noted that, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;

secondly, in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to common designs, and under the condition of no conflict, the same embodiment and different embodiments of the invention can be combined with each other;

finally, the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements and the like which are within the spirit and principle of the present invention should be included in the protection scope of the present invention.