CN115768072A - Intelligent variable-frequency fan control device and control switch - Google Patents

Abstract

The invention discloses an intelligent variable-frequency fan control device and a control switch, and relates to the technical field of fan control equipment. This kind of intelligence frequency conversion fan controlling means and control switch, including PLC switch board and the shutter of setting at its lateral wall, the mounting hole has been seted up to the lateral wall of PLC switch board, and the mounting hole internal fixation inserts and is equipped with fixed cover, the louvre that a plurality of arrays set up is seted up to the lateral wall of fixed cover. Can be in the radiating while of blowing, coolant liquid to in the cooling tube circulates, can cool off the inside of PLC switch board, can cool off the air that gets into PLC switch board inside and cool off, make the radiating effect better, guarantee the result of use and the life-span of PLC switch board, simultaneously, can be in the radiating process to reciprocal the cleaning of impurity such as the dust of louvre lateral wall, thereby guarantee air intake efficiency and effect, guarantee the radiating effect, and, absorb the dust that the in-process produced that cleans, and collect through the collecting pipe is unified.

Description

An intelligent variable frequency fan control device and control switch

technical field

The invention relates to the technical field of fan control equipment, in particular to an intelligent variable frequency fan control device and a control switch.

Background technique

Mine mainly includes one or more mining workshops or called pitheads, mines, open-pit stopes, etc., as well as some auxiliary workshops. Most mines also include ore dressing plants and coal washing plants. Intelligent frequency conversion fans are needed for mine operations. The fans are Relying on the input mechanical energy, the machine that increases the gas pressure and discharges the gas can intelligently adjust the motor speed of the fan according to the on-site working conditions and the real-time fan air volume through the cooperation of the PLC control cabinet and the sensor, reducing the impact on the ventilation system during the start and stop phase. While the system is impacting, it can achieve energy saving effect, and it can monitor the operating status of on-site fans, gas concentration and other parameters. When the ventilator on the working face fails, in order to ensure that the working face environment meets the requirements of the relevant standards, the system is required to be fault-tolerant. When one of the ventilators fails, the other ventilator can be started through the "switch" button, thereby Avoid accidents.

However, when the existing PLC control cabinet is in use, heat dissipation is carried out through the heat dissipation holes arranged in the shell, and the heat dissipation effect is limited. In addition, impurities such as dust are easy to adhere to the surface of the heat dissipation holes, which will also affect the air intake efficiency and heat dissipation effect, thereby affecting Its use effect and service life.

Contents of the invention

The purpose of the present invention is to provide an intelligent variable frequency fan control device and a control switch to solve the problems raised in the above background technology.

In order to achieve the above object, the present invention provides the following technical solutions: an intelligent frequency conversion fan control device and a control switch, including a PLC control cabinet and shutters arranged on its side wall, the side wall of the PLC control cabinet is provided with installation holes, and A fixed cover is fixedly inserted in the installation hole, and the side wall of the fixed cover is provided with a plurality of heat dissipation holes arranged in an array. The first heat dissipation mechanism and the second heat dissipation mechanism for cooling the PLC control cabinet are arranged in the fixed cover. mechanism, and the side wall of the fixed cover is provided with a cleaning mechanism for cleaning the cooling holes.

Preferably, the first heat dissipation mechanism includes a support plate fixedly connected to the lower side wall of the fixed cover, and a fan is rotatably connected to the side wall of the support plate through a rotating shaft, and the rotation of the rotating shaft is driven by a driving mechanism.

Preferably, the driving mechanism includes a driven bevel gear fixedly sleeved on the side wall of the rotating shaft, and the top of the fixed cover is fixedly connected with an L-shaped plate, and the lower side wall of the L-shaped plate is rotatably connected with a rotating rod, and the rotation The lower end of the rod is fixedly connected to the driving bevel gear, and the driving bevel gear is engaged with the driven bevel gear. A motor is fixedly connected to the upper side wall of the L-shaped plate, and the output end of the motor is fixed to the upper end of the rotating rod.

Preferably, the second heat dissipation mechanism is fixedly connected to the cooling box on the top of the fixed cover, and the side wall of the cooling box is connected with a liquid inlet pipe and a liquid outlet pipe, and the side wall of the support plate is fixedly connected with a curved cooling pipe , and the two ends of the cooling pipe are respectively fixed to the ends of the liquid inlet pipe and the liquid outlet pipe, and the side wall of the cooling pipe is provided with a circulation mechanism for circulating the cooling liquid.

Preferably, the circulation mechanism includes a gap opened on the side wall of the cooling pipe, and a working box is fixedly inserted in the gap, and a rotating fan is connected to the working box through a connecting shaft, and one end of the connecting shaft and one end of the rotating shaft fixed.

Preferably, the cleaning mechanism includes a first rectangular tube, and the lower end of the first rectangular tube is fixedly connected with a plurality of second rectangular tubes arranged in an array, and the upper end of the second rectangular tube communicates with the first rectangular tube, and The second rectangular tube is connected to the side wall of the fixed cover through a reset mechanism, the side wall of the second rectangular tube is fixedly connected with a plurality of rubber rods arranged in an array, and the movement of the second rectangular tube is pushed by the first pushing mechanism , and the side wall of the rubber rod is provided with an absorption mechanism for absorbing the cleaned dust.

Preferably, the reset mechanism includes a fixed plate fixedly connected to the side wall of the fixed cover, and the side wall of the fixed plate is inserted with two symmetrically arranged first T-shaped guide rods, one end of the first T-shaped guide rod It is fixed to the side wall of one of the second rectangular tubes, and the side wall of the first T-shaped guide rod is sheathed with a first spring.

Preferably, the first pushing mechanism includes a circular ring fixedly sleeved on the side wall of the rotating rod, and the peripheral side of the circular ring is fixedly connected with a plurality of convex lines arranged in an array, and the upper side wall of the first rectangular tube is fixed A push plate is connected, and a push rod is fixedly connected to the side wall of the push plate.

Preferably, the absorption mechanism includes a through hole opened at the end of each rubber rod, and the top of the fixed cover is fixedly connected with a support block, and the upper end of the support block is fixedly connected with a first connecting pipe, and the first connecting pipe One end is fixedly connected with a collection pipe, the collection pipe is fixedly connected with a first one-way valve, and the other end of the first connecting pipe is fixedly connected with a suction pipe, and a second one-way valve is fixedly connected with the suction pipe. The other end of the trachea is fixedly connected to a hose, and the other end of the hose is fixed to the upper side wall of the first rectangular tube, and the side wall of the first connecting tube is fixedly connected to a second connecting tube, and the second connecting tube slides inside A piston is connected, and the movement of the piston is pushed by the second pushing mechanism.

Preferably, the second pushing mechanism includes a moving rod fixedly connected to the end of the piston, and the other end of the moving rod is fixedly connected to a moving block, and two symmetrically arranged second Ts are inserted into the side wall of the moving block. shaped guide rod, and one end of the second T-shaped guide rod is fixed to the side wall of the first connecting pipe, the side wall of the second T-shaped guide rod is fixedly sleeved with a fixing ring, and the side of the second T-shaped guide rod The wall cover is provided with a second spring, and the side wall of the moving block is fixedly connected with a pushing block.

Compared with prior art, the beneficial effect of the present invention is:

(1), this kind of intelligent variable frequency fan control device and control switch, by setting a heat dissipation mechanism, etc., can circulate the cooling fluid in the cooling pipe while blowing heat and cooling, and can cool the inside of the PLC control cabinet. The air entering the interior of the PLC control cabinet is cooled and cooled, which makes the heat dissipation effect better and ensures the use effect and life of the PLC control cabinet.

(2) This kind of intelligent frequency conversion fan control device and control switch can reciprocally clean the dust and other impurities on the side wall of the heat dissipation hole during the heat dissipation process by setting a cleaning mechanism, so as to ensure the efficiency and effect of air intake and the heat dissipation effect .

(3) This kind of intelligent frequency conversion fan control device and control switch can absorb the dust generated in the cleaning process during the cleaning process by setting the absorption mechanism, etc., and collect it uniformly through the collection pipe, so that the cleaning effect is better. more environmentally friendly.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the schematic diagram of the three-dimensional structure of the fixed cover in the present invention;

Fig. 3 is a schematic view of the internal structure of the fixed cover in the present invention;

Fig. 4 is a schematic view of the internal structure of another viewing angle of the fixing cover in the present invention;

Fig. 5 is a schematic structural view of a through hole in the present invention;

Fig. 6 is a schematic diagram of an enlarged structure at A in Fig. 2;

FIG. 7 is a schematic diagram of an enlarged structure at B in FIG. 3;

FIG. 8 is a schematic diagram of an enlarged structure at point C in FIG. 4 .

In the figure: 1. PLC control cabinet; 201, support plate; 202, rotating shaft; 203, fan; 301, L-shaped plate; 302, driven bevel gear; 303, rotating rod; 304, driving bevel gear; 305, motor; 401, moving rod; 402, moving block; 403, second T-shaped guide rod; 404, fixed ring; 405, second spring; 406, pushing block; 501, cooling box; 502, liquid inlet pipe; 503, liquid discharge Tube; 504, cooling pipe; 601, notch; 602, connecting shaft; 603, rotating fan; 604, working box; 701, first rectangular tube; 702, second rectangular tube; 703, rubber rod; 801, fixed plate; 802, the first T-shaped guide rod; 803, the first spring; 901, the ring; 902, the raised bar; 903, the push plate; 904, the push rod; 1001, the through hole; 1002, the support block; 1003, the first connection Tube; 1004, collecting pipe; 1005, exhaust pipe; 1006, second one-way valve; 1007, hose; 1008, second connecting pipe; 1009, piston; 1010, first one-way valve; 11, installation hole; 12 , fixed cover; 13, cooling holes.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-8, the present invention provides a technical solution: an intelligent variable frequency fan control device and a control switch, including a PLC control cabinet 1 and shutters arranged on its side wall, and a temperature sensor is arranged in the PLC control cabinet 1, And the motor 305 is electrically connected with the temperature sensor, the side wall of the PLC control cabinet 1 is provided with an installation hole 11, and a fixed cover 12 is fixedly inserted in the installation hole 11, and the side wall of the fixed cover 12 is provided with a plurality of arrays for heat dissipation hole 13, the fixed cover 12 is provided with a first heat dissipation mechanism and a second heat dissipation mechanism for cooling the PLC control cabinet 1, and the side wall of the fixed cover 12 is provided with a cleaning mechanism for cleaning the heat dissipation holes 13, which can be used in While blowing heat to dissipate heat, the coolant in the cooling pipe 504 is circulated to cool down the inside of the PLC control cabinet 1 and to cool the air entering the PLC control cabinet 1, so that the heat dissipation effect is better and the PLC The use effect and life of the control cabinet 1, at the same time, can reciprocally clean the dust and other impurities on the side walls of the heat dissipation holes 13 during the heat dissipation process, thereby ensuring the air intake efficiency and effect, and ensuring the heat dissipation effect. The dust is absorbed and uniformly collected through the collection pipe 1004, so that the cleaning effect is better and more environmentally friendly.

Preferably, the first heat dissipation mechanism includes a support plate 201 fixedly connected to the lower side wall of the fixed cover 12, and the side wall of the support plate 201 is rotatably connected with a fan 203 through a rotating shaft 202, and the rotation of the rotating shaft 202 is driven by a driving mechanism. When cooling the interior of the PLC control cabinet 1, the rotating shaft 202 and the fan 203 are rotated by the driving mechanism, and the external air enters through the cooling holes 13, thereby blowing and cooling the interior.

Preferably, the driving mechanism includes a driven bevel gear 302 fixedly sleeved on the side wall of the rotating shaft 202, and the top of the fixed cover 12 is fixedly connected with an L-shaped plate 301, and the lower side wall of the L-shaped plate 301 is rotatably connected with a rotating rod 303, And the lower end of the rotating rod 303 is fixedly connected with the driving bevel gear 304, the driving bevel gear 304 is engaged with the driven bevel gear 302, and the upper side wall of the L-shaped plate 301 is fixedly connected with a motor 305, and the output end of the motor 305 is connected with the rotating rod 303. The upper end of the motor is fixed, and the motor 305 is started, and the rotation of the motor 305 drives the rotation of the rotating rod 303 and the driving bevel gear 304, and then drives the driven bevel gear 302, the rotating shaft 202 and the fan 203 to rotate.

Preferably, the second heat dissipation mechanism is fixedly connected to the cooling box 501 on the top of the fixed cover 12, and the side wall of the cooling box 501 is connected with a liquid inlet pipe 502 and a liquid outlet pipe 503, and the side wall of the support plate 201 is fixedly connected with a curved set. Cooling pipe 504, cooling box 501 and cooling pipe 504 are filled with cooling liquid, and the two ends of cooling pipe 504 are respectively fixed with the end of liquid inlet pipe 502 and liquid outlet pipe 503, and the side wall of cooling pipe 504 is provided with for cooling The circulating mechanism for liquid circulation, when heat dissipation, circulates the cooling liquid in the cooling pipe 504 through the circulating mechanism, so that the cooling liquid in the cooling pipe 504 circulates to the cooling box 501 for cooling through the liquid inlet pipe 502, and after cooling The cooling liquid circulates again into the cooling pipe 504 through the liquid outlet pipe 503, so that the inside of the PLC control cabinet 1 can be cooled and cooled, and the air entering the PLC control cabinet 1 can be cooled and cooled, so that the heat dissipation effect is better , to ensure the use effect and life of the PLC control cabinet 1.

Preferably, the circulation mechanism includes a notch 601 provided on the side wall of the cooling pipe 504, and a working box 604 is fixedly inserted in the notch 601, and a rotating fan 603 is connected to the working box 604 through a connecting shaft 602 in rotation, and one end of the connecting shaft 602 One end of the rotating shaft 202 is fixed, and when the rotating shaft 202 rotates, the rotating fan 603 is driven to rotate synchronously, so that the cooling liquid in the cooling pipe 504 can be circulated.

Preferably, the cleaning mechanism includes a first rectangular tube 701, and the lower end of the first rectangular tube 701 is fixedly connected with a plurality of second rectangular tubes 702 arranged in an array, and the upper end of the second rectangular tube 702 communicates with the first rectangular tube 701. And the second rectangular tube 702 is connected to the side wall of the fixed cover 12 through the reset mechanism, the side wall of the second rectangular tube 702 is fixedly connected with a plurality of rubber rods 703 arranged in an array, and the movement of the second rectangular tube 702 is achieved by the first pushing mechanism push, and the side wall of the rubber rod 703 is provided with an absorbing mechanism for absorbing the cleaned dust, and the first rectangular tube 701, the second rectangular tube 702 and the rubber rod 703 are pushed back and forth by the first pushing mechanism, so that the rubber The rod 703 reciprocally cleans the dust and other impurities on the side walls of the heat dissipation holes 13, thereby ensuring the efficiency and effect of air intake and the heat dissipation effect.

Preferably, the reset mechanism includes a fixed plate 801 fixedly connected to the side wall of the fixed cover 12, and the side wall of the fixed plate 801 is inserted with two symmetrically arranged first T-shaped guide rods 802, the first T-shaped guide rods 802 One end is fixed to the side wall of one of the second rectangular tubes 702 , and the side wall of the first T-shaped guide rod 802 is covered with a first spring 803 to guide and reset the movement of the second rectangular tube 702 .

Preferably, the first pushing mechanism includes a circular ring 901 fixedly sleeved on the side wall of the rotating rod 303, and the peripheral side of the circular ring 901 is fixedly connected with a plurality of convex lines 902 arranged in an array, and the upper side wall of the first rectangular tube 701 A push plate 903 is fixedly connected, and a push rod 904 is fixedly connected to the side wall of the push plate 903. When the rotation rod 303 rotates, the circular ring 901 is driven to rotate synchronously. Push the push plate 903 and the first rectangular tube 701 to move, the movement of the first rectangular tube 701 drives the synchronous movement of the second rectangular tube 702 and the rubber rod 703, at the same time, the first spring 803 is stretched, when one end of the push rod 904 When going over the raised strip 902 , the pushing plate 903 and the first rectangular tube 701 can return under the action of the first spring 803 .

Preferably, the absorption mechanism includes a through hole 1001 opened at the end of each rubber rod 703, and the top of the fixed cover 12 is fixedly connected with a support block 1002, and the upper end of the support block 1002 is fixedly connected with a first connecting pipe 1003, and the first connection One end of the pipe 1003 is fixedly connected with a collection pipe 1004, and the collection pipe 1004 is fixedly connected with a first one-way valve 1010. The conduction direction of the first one-way valve 1010 is from the first connecting pipe 1003 to the outside, and the first connecting pipe 1003 The other end of the exhaust pipe 1005 is fixedly connected with a second one-way valve 1006, and the conduction direction of the second one-way valve 1006 is from the hose 1007 to the first connecting pipe 1003. The other end is fixedly connected with a hose 1007, and the other end of the hose 1007 is fixed to the upper side wall of the first rectangular tube 701, the side wall of the first connecting tube 1003 is fixedly connected with a second connecting tube 1008, and the second connecting tube 1008 is slidingly connected with a piston 1009, the movement of the piston 1009 is pushed by the second push mechanism, and the second push mechanism pushes the piston 1009 to reciprocate in the second connecting pipe 1008, when the piston 1009 moves towards the direction close to the ring 901 , so that a negative pressure is generated in the second connecting pipe 1008, at the same time, the collecting pipe 1004 is closed, and the second one-way valve 1006 is opened. At this time, air is drawn through the through hole 1001. , the air in the first connecting pipe 1003 is squeezed, at the same time, the first check valve 1010 is opened, and the second check valve 1006 is closed. 1004 is discharged, so reciprocating, the dust generated in the cleaning process can be absorbed through the through hole 1001, and collected uniformly through the collection pipe 1004, so that the cleaning effect is better and more environmentally friendly.

Preferably, the second pushing mechanism includes a moving rod 401 fixedly connected to the end of the piston 1009, and the other end of the moving rod 401 is fixedly connected to a moving block 402, and two symmetrically arranged second T-shaped guide rod 403, and one end of the second T-shaped guide rod 403 is fixed to the side wall of the first connecting pipe 1003, the side wall of the second T-shaped guide rod 403 is fixedly sleeved with a fixing ring 404, and the second T-shaped guide rod 403 The side wall of the guide rod 403 is provided with a second spring 405, and the side wall of the moving block 402 is fixedly connected with a pushing block 406. When the pushing block 406 is in contact with the side wall of the convex strip 902, the moving rod 401 and the piston 1009 are pushed to move , at the same time, the second spring 405 is compressed, when the pushing block 406 crosses the protruding strip 902, the piston 1009 returns under the action of the second spring 405, so that the piston 1009 moves back and forth in the second connecting tube 1008.

Working principle: When in use, when the interior of the PLC control cabinet 1 needs to be cooled, the motor 305 is started, and the rotation of the motor 305 drives the rotation of the rotating rod 303 and the driving bevel gear 304, which in turn drives the driven bevel gear 302 and the rotating shaft 202 Rotate with the fan 203, so as to blow and dissipate heat inside it, take in air through the heat dissipation holes 13, and discharge air through the louvers. The cooling liquid in 504 is circulated, so that the cooling liquid in the cooling pipe 504 is circulated to the cooling box 501 for cooling through the liquid inlet pipe 502, and the cooled cooling liquid is circulated to the cooling pipe 504 again through the liquid outlet pipe 503, thereby being able to The interior of the PLC control cabinet 1 is cooled and cooled, and the air entering the PLC control cabinet 1 can be cooled and cooled, so that the heat dissipation effect is better, and the use effect and life of the PLC control cabinet 1 are guaranteed;

At the same time, when the rotating rod 303 rotates, it drives the circular ring 901 to rotate synchronously. When one end of the pushing rod 904 is in contact with the protruding strip 902, the pushing plate 903 and the first rectangular tube 701 are pushed to move, and the first rectangular tube The movement of 701 drives the second rectangular tube 702 and the rubber rod 703 to move synchronously. At the same time, the first spring 803 is stretched. Reset under the action of the first spring 803, so that the rubber rod 703 reciprocally cleans the dust and other impurities on the side wall of the cooling hole 13, thereby ensuring the air intake efficiency and effect, and ensuring the cooling effect;

And, when the push block 406 is against the side wall of the raised bar 902, the moving rod 401 and the piston 1009 are pushed to move, and at the same time, the second spring 405 is compressed. When the pushed block 406 crosses the raised bar 902, the piston 1009 moves in the second Reset under the action of the spring 405, so that the piston 1009 reciprocates in the second connecting pipe 1008, when the piston 1009 moves toward the direction close to the ring 901, a negative pressure is generated in the second connecting pipe 1008, and at the same time, the collecting pipe 1004 closed, the second one-way valve 1006 is opened, at this time, air is drawn through the through hole 1001, and when the piston 1009 moves away from the ring 901, the air in the first connecting pipe 1003 is squeezed, and at the same time, the first One check valve 1010 is opened, and the second one-way valve 1006 is closed. At this time, the ventilation in the first connecting pipe 1003 is squeezed and then discharged through the collection pipe 1004. In this way, the through hole 1001 can pass through the through hole 1001. The dust is absorbed and collected uniformly through the collection pipe 1004, so that the cleaning effect is better and more environmentally friendly.

Claims (10)

1. The utility model provides an intelligence frequency conversion fan controlling means, includes PLC switch board (1) and sets up the shutter at its lateral wall, its characterized in that: the side wall of the PLC control cabinet (1) is provided with a mounting hole (11), a fixing cover (12) is inserted into the mounting hole (11) in a fixed mode, heat dissipation holes (13) formed in a plurality of arrays are formed in the side wall of the fixing cover (12), a first heat dissipation mechanism and a second heat dissipation mechanism which are used for dissipating heat of the PLC control cabinet (1) are arranged in the fixing cover (12), and a cleaning mechanism used for cleaning the heat dissipation holes (13) is arranged on the side wall of the fixing cover (12).

2. The intelligent variable frequency fan control device according to claim 1, characterized in that: the first heat dissipation mechanism comprises a supporting plate (201) fixedly connected to the lower side wall of the fixed cover (12), the side wall of the supporting plate (201) is rotatably connected with a fan (203) through a rotating shaft (202), and the rotating shaft (202) rotates to be driven through a driving mechanism.

3. The intelligent variable frequency fan control device of claim 2, wherein: actuating mechanism establishes driven bevel gear (302) at pivot (202) lateral wall including fixed cover, and the top fixedly connected with L shaped plate (301) of fixed cover (12), the lower lateral wall of L shaped plate (301) rotates and is connected with dwang (303), and lower extreme fixed connection drive bevel gear (304) of dwang (303), drive bevel gear (304) and driven bevel gear (302) meshing setting, the last lateral wall fixedly connected with motor (305) of L shaped plate (301), and the output of motor (305) is fixed with the upper end of dwang (303).

4. The intelligent variable frequency fan control device of claim 2, wherein: the second heat dissipation mechanism is fixedly connected with a cooling box (501) at the top of the fixed cover (12), the side wall of the cooling box (501) is connected with a liquid inlet pipe (502) and a liquid outlet pipe (503), the side wall of the supporting plate (201) is fixedly connected with a cooling pipe (504) which is arranged in a bending mode, two ends of the cooling pipe (504) are fixed with the end portions of the liquid inlet pipe (502) and the liquid outlet pipe (503) respectively, and the side wall of the cooling pipe (504) is provided with a circulation mechanism which is used for circulating cooling liquid.

5. The intelligent variable frequency fan control device of claim 4, wherein: the circulating mechanism comprises a notch (601) formed in the side wall of the cooling pipe (504), a working box (604) is fixedly inserted in the notch (601), a rotating fan (603) is rotatably connected in the working box (604) through a connecting shaft (602), and one end of the connecting shaft (602) is fixed to one end of the rotating shaft (202).

6. The intelligent variable frequency fan control device according to claim 1, characterized in that: the cleaning mechanism comprises a first rectangular pipe (701), a second rectangular pipe (702) which is fixedly connected with a plurality of arrays at the lower end of the first rectangular pipe (701) is connected with the side wall of the fixed cover (12) through a reset mechanism, the upper end of the second rectangular pipe (702) is communicated with the first rectangular pipe (701) to be arranged, a rubber rod (703) which is fixedly connected with the plurality of arrays of the side wall of the second rectangular pipe (702) is arranged, the second rectangular pipe (702) is moved by a first pushing mechanism, and the side wall of the rubber rod (703) is provided with an absorption mechanism which is used for absorbing the cleaned dust.

7. The intelligent variable-frequency fan control device according to claim 6, characterized in that: the reset mechanism comprises a fixing plate (801) fixedly connected to the side wall of the fixing cover (12), two first T-shaped guide rods (802) symmetrically arranged are inserted into the side wall of the fixing plate (801), one end of each first T-shaped guide rod (802) is fixed to the side wall of one of the second rectangular tubes (702), and a first spring (803) is sleeved on the side wall of each first T-shaped guide rod (802).

8. The intelligent variable frequency fan control device of claim 6, wherein: the first pushing mechanism comprises a circular ring (901) fixedly sleeved on the side wall of the rotating rod (303), convex strips (902) arranged in a plurality of arrays are fixedly connected to the peripheral side of the circular ring (901), a pushing plate (903) is fixedly connected to the upper side wall of the first rectangular pipe (701), and a pushing rod (904) is fixedly connected to the side wall of the pushing plate (903).

9. The intelligent variable-frequency fan control device according to claim 6, characterized in that: the absorption mechanism comprises through holes (1001) formed at the end part of each rubber rod (703), a supporting block (1002) is fixedly connected to the top of the fixed cover (12), a first connecting pipe (1003) is fixedly connected to the upper end of the supporting block (1002), a collecting pipe (1004) is fixedly connected to one end of the first connecting pipe (1003), a first check valve (1010) is fixedly connected to the inner side of the collecting pipe (1004), an air suction pipe (1005) is fixedly connected to the other end of the first connecting pipe (1005), a second check valve (1006) is fixedly connected to the inner side of the air suction pipe (1005), a hose (1007) is fixedly connected to the other end of the air suction pipe (1005), the other end of the hose (1007) is fixed to the upper side wall of the first rectangular pipe (701), a second connecting pipe (1008) is fixedly connected to the side wall of the first connecting pipe (1003), a piston (1009) is slidably connected to the second connecting pipe (1008) in the second connecting pipe (1008), the movement of the piston (1009) is pushed by a second pushing mechanism, the second pushing mechanism comprises a moving rod (401) fixedly connected to the end part of the piston (1009), a moving block (402) is symmetrically connected to the side wall (403) of the moving block (1003), and two guide rods (403) are symmetrically inserted into the two guide rods (403), the side wall of the second T-shaped guide rod (403) is fixedly sleeved with a fixing ring (404), the side wall of the second T-shaped guide rod (403) is sleeved with a second spring (405), and the side wall of the moving block (402) is fixedly connected with a pushing block (406).

10. The utility model provides a control switch of intelligence frequency conversion fan which characterized in that: comprising a control device according to any of claims 1-9.

Images