CN116388466A - Motor heat radiation equipment for axial flow fan - Google Patents

Abstract

The invention discloses motor heat dissipation equipment for an axial flow fan, which belongs to the technical field of driving motors and comprises a bottom plate, wherein an air duct is fixedly arranged on the bottom plate, a cross-shaped fixing plate is fixedly arranged in the air duct, an axial flow fan motor is fixedly arranged on the cross-shaped fixing plate, an unfolding assembly, a separating assembly and a heat exchange assembly are arranged above the bottom plate, the unfolding assembly can realize the unfolding of two semi-cylinders, the inner cleaning of the semi-cylinders and the air duct is further facilitated, the components in the air duct are further conveniently maintained, the separating assembly can conveniently separate a semicircular groove plate from an axial flow fan motor shell, the semicircular groove plate and the waterproof paint in the axial flow fan motor shell are further conveniently replaced at regular intervals, and the heat exchange assembly can automatically drive water outside the axial flow fan motor shell to flow under the action of liquid in a fan-shaped water tank.

Description

Motor heat radiation equipment for axial flow fan

Technical Field

The invention relates to the technical field of driving motors, in particular to motor heat dissipation equipment for an axial flow fan.

Background

When the axial flow fan works, the blades push air to flow in the same direction as the shaft, so the axial flow fan is called as an axial flow fan, the axial flow fan is divided into a large axial flow fan, a medium axial flow fan and a small axial flow fan, the proper axial flow fan is selected according to the requirements of the use places, in general, the large axial flow fan is mainly suitable for exhausting air in places such as dust, gravel fields and the like, the medium axial flow fan is mainly suitable for indoor ventilation and heat exhausting, the small axial flow fan is mainly suitable for ventilation and heat exhausting of mechanical equipment, but when the axial flow fan is used for a long time, a motor of the axial flow fan is in a wind barrel, but still is easy to heat due to overload, and the existing motor heat dissipating equipment for the axial flow fan is arranged in the wind barrel, so that the maintenance of the inside is inconvenient.

Chinese patent application publication No. CN113629935B discloses a motor heat dissipating device for an axial flow fan, which includes: the motor cooling device comprises a mounting cylinder and a fixing block fixedly connected with the inside of the mounting cylinder, wherein the fixing block is used for supporting and fixing motor cooling equipment, the driving part comprises a cooling cavity and a supporting plate, the two supporting plates are respectively and fixedly connected with two ends of the upper surface of the cooling cavity, a water storage cavity and a placing cavity are respectively arranged in the cooling cavity, the cooling cavity is fixedly connected with the fixing block through a fixing plate, the driving motor is fixedly connected with the top ends of the two supporting plates, the driving end of the driving motor is provided with fan blades in an annular array, and the driving part is used for providing power for the cooling equipment during working.

Disclosure of Invention

The invention aims at the defects in the prior art, and provides a motor heat dissipation device for an axial flow fan, which solves the problems that although the heat dissipation of a motor of the axial flow fan can be realized, moisture on absorbent cotton easily flies out from an air outlet, the influence on the external drying environment is easy, and the inside is inconvenient to overhaul.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a motor cooling device for axial fan, including the bottom plate, fixed mounting has the dryer on the bottom plate, fixed mounting has the cross fixed plate on the dryer, fixed mounting has the axial fan motor on the cross fixed plate, fixed mounting has the impeller on the output shaft of axial fan motor, the bottom plate top is provided with the expansion subassembly, the expansion subassembly includes two expansion pivots, the rotation of two expansion pivots symmetries is installed on the dryer, equal fixed mounting has the semicircle in the expansion pivot, the fixed tripe board that is provided with in tip of semicircle, the bottom plate top still is provided with separation subassembly and heat transfer module, separation subassembly includes separation carriage one, separation carriage two and two semicircle frid, the fixed separation fixed slat that is provided with of equal symmetry on separation carriage one and separation carriage two, separation fixed slat on two semicircle frid respectively with separation carriage one, the circular drive storehouse, the heat transfer subassembly includes the three-way pipe, wherein both ends and fan-shaped water tank intercommunication, the other one end of three-way pipe and circular drive storehouse are provided with the hose intercommunication, the conversion drive impeller is installed to the rotation storehouse between.

Further, the unfolding assembly further comprises a driven gear, a driving gear and a driven belt wheel, the driven gear, the driving gear and the driven belt wheel are all rotatably mounted on the air duct, a first transmission group is arranged between one of the two unfolding rotating shafts and the driven gear, and a second transmission group is arranged between the other one of the two unfolding rotating shafts and the driven belt wheel.

Further, the driving gear is rotatably arranged on the driving gear, the driving gear and the driven gear are meshed to form a gear pair, a torsion spring is arranged between the driving gear and the driving gear, a driving belt wheel is fixedly arranged on the driving gear, an auxiliary conveying belt is arranged between the driving belt wheel and the driven belt wheel, limiting short plates are symmetrically and fixedly arranged on the air cylinders, and the limiting short plates are used for limiting the rotating positions of corresponding semicircular cylinders.

Further, the separation assembly further comprises a cross-shaped mounting plate fixedly mounted on the inner side of the air duct, a separation toothed ring is rotatably mounted on the cross-shaped mounting plate, separation racks are fixedly mounted on the first separation sliding frame and the second separation sliding frame respectively, the separation racks on the first separation sliding frame and the second separation sliding frame are oppositely arranged, the two separation racks are meshed with the separation toothed ring to form a gear rack pair, auxiliary magnets are symmetrically mounted on the first separation sliding frame and the second separation sliding frame respectively and are used for limiting movement of the first separation sliding frame and the second separation sliding frame respectively.

Further, a separation sliding plate is slidably mounted on the first separation sliding frame, auxiliary round blocks are symmetrically and fixedly arranged at the lower end of the separation sliding plate, a separation screw rod is fixedly mounted on the separation sliding plate, a separation gear is rotatably mounted on the air cylinder, the separation gear and the separation screw rod form a spiral pair, the separation gear and a driving gear are meshed to form a gear pair, and when two semicircular groove plates are connected, a closed space is formed by the two semicircular groove plates and the axial flow fan motor shell.

Further, the two sides of the separation slide plate are fixedly provided with Z-shaped step plates, the Z-shaped step plates are in sliding fit with corresponding separation fixed laths, the end face of the Z-shaped step plates farthest from the separation screw rod and the end face of the separation fixed laths farthest from the separation screw rod are on the same plane, the symmetrical sliding mounting on the air duct is provided with fixed slide plates, the fixed slide plates are fixedly provided with fixed slide columns and fixed push rods, the semi-cylinders are provided with slide holes matched with the fixed slide columns, and the fixed push rods are in contact with the Z-shaped step plates.

Further, the heat exchange assembly comprises 2 water tanks fixedly mounted on a bottom plate, the two water tanks are communicated, a water supplementing pipe is fixedly arranged on a semicircular groove plate on the first separation sliding frame, a water outlet pipe is fixedly arranged on the semicircular groove plate on the second separation sliding frame, a driving pipe is fixedly mounted on the water tank closest to the driven belt wheel, a hose is arranged between the driving pipe and the water supplementing pipe, and a hose is arranged between the water tank closest to the driven gear and the water outlet pipe.

Further, the fan-shaped water tank is fixedly arranged on the outer side of a semicircular groove plate on the second separation sliding frame, the circular driving bin is fixedly arranged on the bottom plate, the driving impeller is rotatably arranged on the driving tube, a gearbox is arranged between the driving impeller and the conversion impeller, and the gearbox is fixedly arranged on the water tank closest to the driven belt wheel.

Further, a condenser is fixedly arranged on the bottom plate, a pipeline is communicated between the condenser and the circular driving bin, a liquid discharge pipe is arranged on the side face of the condenser, a liquid supplementing pipe is fixedly arranged on the side face of the fan-shaped water tank, and an electromagnetic valve is arranged on the liquid supplementing pipe.

Compared with the prior art, the invention has the beneficial effects that: (1) According to the invention, the unfolding assembly is arranged, so that the two semi-cylinders can be unfolded, the inside of the semi-cylinders and the air duct can be cleaned conveniently, and the components inside the air duct can be maintained conveniently. (2) The invention can facilitate the disengagement of the semicircular groove plate and the axial flow fan motor shell by arranging the separation assembly, thereby facilitating the regular replacement of waterproof paint in the semicircular groove plate and the axial flow fan motor shell. (3) According to the invention, the heat exchange assembly is arranged, so that water outside the shell of the axial flow fan motor can be automatically driven to flow under the action of liquid in the fan-shaped water tank according to the temperature change of the axial flow fan motor.

Drawings

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

Fig. 2 is a schematic diagram of the overall structure of the present invention.

Fig. 3 is a schematic structural view of a heat exchange assembly according to the present invention.

Fig. 4 is an enlarged partial schematic view at a in fig. 3.

Fig. 5 is a schematic structural diagram of a heat exchange assembly according to the present invention.

FIG. 6 is a schematic view of the structure of the inside of the air duct of the present invention.

FIG. 7 is a schematic view of the deployment assembly of the present invention.

Fig. 8 is a partially enlarged schematic view at B in fig. 7.

Fig. 9 is a schematic structural view of the limiting short plate of the present invention.

Fig. 10 is a partially enlarged schematic view of fig. 9C.

Fig. 11 is a front view of the present invention at the separating tooth ring.

Fig. 12 is a partially enlarged schematic view of fig. 11 at D.

Fig. 13 is a cross-sectional view of a heat exchange assembly of the present invention.

Fig. 14 is a partially enlarged schematic view of fig. 13 at E.

Reference numerals: 101-a bottom plate; 102-a water tank; 103-a condenser; 104-wind cylinder; 105-impeller; 106-a semi-cylinder; 107-a drain pipe; 108-a water supplementing pipe; 109-limiting short plates; 110-a gearbox; 111-a fluid replacement tube; 112-auxiliary conveyor belt; 113-a water outlet pipe; 114-a three-way pipe; 115-driving tube; 116-driving the impeller; 117-an axial fan motor; 118-drive pulley; 119-semicircular groove plates; 120-fan-shaped water tank; 121-a circular drive bin; 122-switching impellers; 123-a cross-shaped fixing plate; 124-a cross-shaped mounting plate; 125-separating the toothed ring; 126-separation carriage one; 127-separation carriage two; 128-motor mounting plate; 129-separating racks; 130-separating the fixed lath; 131-auxiliary magnets; 132-unfolding the rotating shaft; 133-a stationary slide; 134-fixed spool; 135-fixing the push rod; 136-separating slide plate; 137-a split gear; 138-separating a screw rod; 139-Z type step plate; 140-driving a motor; 141-a driven pulley; 142-driven gear; 143-a drive gear; 144-drive gear.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples: referring to fig. 1-14, a motor heat dissipation device for an axial fan comprises a bottom plate 101, an air duct 104 is fixedly installed on the bottom plate 101, a cross-shaped fixing plate 123 is fixedly installed in the air duct 104, an axial fan motor 117 is fixedly installed on the cross-shaped fixing plate 123, an impeller 105 is fixedly installed on an output shaft of the axial fan motor 117, an unfolding assembly is arranged above the bottom plate 101 and comprises two unfolding rotating shafts 132, the two unfolding rotating shafts 132 are symmetrically and rotatably installed on the air duct 104, a semi-cylinder 106 is fixedly installed on each of the unfolding rotating shafts 132, and a louver is fixedly arranged at the end part of the semi-cylinder 106.

The wind barrel 104 is rotatably provided with a driven gear 142, a driving gear 143 and a driven pulley 141, a first transmission group is arranged between one of the two unfolding rotary shafts 132 and the driven gear 142 and comprises two pulleys and a conveyor belt, the two pulleys in the first transmission group are respectively and fixedly arranged on the driven gear 142 and the unfolding rotary shaft 132, the two pulleys in the first transmission group are connected through the conveyor belt in the first transmission group, a second transmission group is arranged between the other unfolding rotary shaft 132 in the two unfolding rotary shafts 132 and the driven pulley 141 and comprises two pulleys and a conveyor belt, the two pulleys in the second transmission group are respectively and fixedly arranged on the driven pulley 141 and the unfolding rotary shaft 132, and the two pulleys in the second transmission group are connected through the conveyor belt in the second transmission group.

The driving gear 144 is rotatably arranged on the driving gear 143, the driving gear 144 and the driven gear 142 are meshed to form a gear pair, a torsion spring is arranged between the driving gear 143 and the driving gear 144, one end of the torsion spring is fixedly connected with the driving gear 143, the other end of the torsion spring is fixedly connected with the driving gear 144, the driving pulley 118 is fixedly arranged on the driving gear 144, an auxiliary conveyor belt 112 is arranged between the driving pulley 118 and the driven pulley 141, the motor mounting plate 128 is fixedly arranged on the air duct 104, the driving motor 140 is fixedly arranged on the motor mounting plate 128, an output shaft of the driving motor 140 is fixedly connected with the driving gear 144 and the driving pulley 118, and the driving gear 143 is not contacted with the driving pulley 118.

The wind cylinder 104 is symmetrically and fixedly provided with a limiting short plate 109, and the limiting short plate 109 is used for limiting the rotation position of the corresponding semi-cylinder 106, when in an initial state, the two semi-cylinders 106 are in contact, and the semi-cylinders 106 and the wind cylinder 104 are also in contact, namely, at the moment, the two semi-cylinders 106 and the wind cylinder 104 form a cylinder.

The driving motor 140 is started to drive the driving gear 143 to rotate, under the action of the torsion spring between the driving gear 143 and the driving gear 144, the driving gear 144 is driven to rotate synchronously, namely, the driving belt pulley 118 is driven to rotate synchronously, under the action of the auxiliary conveying belt 112, the rotation directions of the driven gear 142 and the driven belt pulley 141 are opposite, under the action of the first transmission group and the second transmission group, the unfolding rotary shafts 132 on two sides are driven to rotate, namely, the two semi-cylinders 106 rotate in opposite directions, finally, the semi-cylinders 106 are enabled to contact the limiting short plates 109, and at the moment, the semi-cylinders 106 cannot rotate continuously under the action of the limiting short plates 109.

A separation assembly is arranged above the bottom plate 101 and comprises a first separation carriage 126, a second separation carriage 127 and two semicircular groove plates 119, the first separation carriage 126 and the second separation carriage 127 are symmetrically and slidably arranged on the air duct 104, a separation fixing slat 130 is symmetrically and fixedly arranged on the first separation carriage 126 and the second separation carriage 127, and the two semicircular groove plates 119 are respectively fixedly connected with the separation fixing slat 130 on the first separation carriage 126 and the separation fixing slat 130 on the second separation carriage 127.

The inside fixed mounting of dryer 104 has cross mounting panel 124, rotates on the cross mounting panel 124 and installs separation ring gear 125, all fixed mounting has separation rack 129 on separation carriage one 126 and the separation carriage two 127, separation rack 129 on separation carriage one 126 and separation rack 129 on separation carriage two 127 set up relatively, two separation racks 129 all mesh with separation ring gear 125 and constitute the rack and pinion pair, separation carriage one 126 and separation carriage two 127 on symmetrical fixed mounting have auxiliary magnet 131, auxiliary magnet 131 is used for restricting the removal of separation carriage one 126 and separation carriage two 127.

The first separating sliding frame 126 is slidably provided with a separating sliding plate 136, the lower end of the separating sliding plate 136 is symmetrically and fixedly provided with an auxiliary round block, the separating sliding plate 136 is fixedly provided with a separating screw rod 138, the air cylinder 104 is rotatably provided with a separating gear 137, the separating gear 137 is not contacted with the first separating sliding frame 126, the separating gear 137 and the separating screw rod 138 form a spiral pair, the separating gear 137 and the driving gear 143 are meshed to form a gear pair, and when the two semicircular groove plates 119 are connected, the two semicircular groove plates 119 and the outer shell of the axial flow fan motor 117 form a closed space.

In the initial state, the auxiliary magnet 131 and the air drum 104 are in contact, so that the first separation sliding frame 126 and the air drum 104 are in a fixed state, the second separation sliding frame 127 and the air drum 104 are in a fixed state, namely, the two semicircular groove plates 119 are in an engaged state, at the moment, the two semicircular groove plates 119 and the outer shell of the axial fan motor 117 form a closed space, an auxiliary round block on the separation sliding plate 136 is not in contact with the first separation sliding frame 126, at the moment, the separation sliding plate 136 moves upwards, and the first separation sliding frame 126 cannot move.

The driving gear 143 is driven to rotate, so that the separating gear 137 is driven to rotate, that is, the separating screw rod 138 is driven to slide upwards, so that the separating slide plate 136 is driven to move upwards, at this time, the separating slide frame I126 and the separating slide frame II 127 cannot move under the action of the auxiliary magnet 131 until the auxiliary round block at the lower end of the separating slide plate 136 contacts with the separating slide frame I126, at this time, the separating slide plate 136 continues to move upwards, at the action of the auxiliary round block at the lower end of the separating slide plate 136, the separating slide frame I126 synchronously moves upwards, and at the action of the separating rack 129 on the separating slide frame I126, the separating toothed ring 125 is driven to rotate, so that the separating rack 129 on the separating slide frame II 127 moves downwards, that is, the separating slide frame II 127 moves downwards, the auxiliary magnet 131 is separated from the contact with the air duct 104, that is, and the two semicircular groove plates 119 move to two sides.

The two sides of the separation slide plate 136 are fixedly provided with Z-shaped step plates 139, the Z-shaped step plates 139 are in sliding fit with the corresponding separation fixed laths 130, the end face of the Z-shaped step plates 139 farthest from the separation screw rod 138 and the end face of the separation fixed lath 130 farthest from the separation screw rod 138 are on the same plane, the wind barrel 104 is symmetrically and slidingly provided with a fixed slide plate 133, a spring is arranged between the fixed slide plate 133 and the wind barrel 104, the fixed slide plate 133 is fixedly provided with a fixed slide post 134 and a fixed push rod 135, the semi-cylinder 106 is provided with slide holes matched with the fixed slide post 134, and the fixed push rod 135 is contacted with the Z-shaped step plates 139.

In the initial state, the spring between the fixed slide plate 133 and the wind barrel 104 is not compressed, the torsion spring between the driving gear 143 and the driving gear 144 is in a compressed state, at this time, the fixed slide posts 134 are respectively engaged with the slide holes on the corresponding semi-cylinders 106, the upper ends of the driven pulleys 141 and the Z-type step plates 139 are contacted, and the two semi-cylinders 106 cannot move freely under the action of the fixed slide posts 134.

The separation gear 137 is driven to rotate so that the separation slide 136 moves upward, at this time, the two half cylinders 106 cannot move freely under the action of the fixed slide post 134, even though the driving gear 144 cannot rotate, and thus the torsion spring between the driving gear 143 and the driving gear 144 is released, the separation slide 136 moves upward so that the Z-shaped step plates 139 on both sides move upward synchronously, the surface of the fixed push rod 135 closest to the separation gear 137 contacting the Z-shaped step plates 139 moves to the surface of the fixed push rod 139 farthest from the separation gear 137 contacting the Z-shaped step plates 139, and thus the two fixed push rods 135 move to both sides, i.e., the two fixed slide plates 133 move to both sides, and the spring between the fixed slide plate 133 and the half cylinders 104 is compressed, i.e., the fixed slide post 134 and the half cylinders 106 are disengaged.

When the fixed push rod 135 moves to contact the surface of the Z-shaped step plate 139 farthest from the separation gear 137, the torsion spring between the driving gear 143 and the driving gear 144 is completely released, i.e., the torsion spring between the driving gear 143 and the driving gear 144 is in an undeformed state, and at this time, the auxiliary round block at the lower end of the separation slide 136 and the separation carriage one 126 are not contacted.

The bottom plate 101 top still is provided with the heat transfer subassembly, the heat transfer subassembly includes three-way pipe 114, fan-shaped water tank 120, circular drive storehouse 121, fan-shaped water tank 120 fixed mounting is outside the semicircle frid 119 on separation balladeur train two 127, circular drive storehouse 121 fixed mounting is on the bottom plate 101, the wherein both ends and the fan-shaped water tank 120 intercommunication of three-way pipe 114, be provided with the hose intercommunication between the other one end of three-way pipe 114 and circular drive storehouse 121, conversion impeller 122 is installed to circular drive storehouse 121 internal rotation, fan-shaped water tank 120's side fixed mounting has fluid-supply pipe 111, be provided with the solenoid valve on the fluid-supply pipe 111.

The symmetrical water tanks 102 are fixedly arranged on the bottom plate 101, the two water tanks 102 are communicated, the water tank 102 closest to the driven belt pulley 141 is fixedly provided with a driving pipe 115, the driving pipe 115 is rotatably provided with a driving impeller 116, a gearbox 110 is arranged between the driving impeller 116 and the conversion impeller 122, the gearbox 110 is fixedly arranged on the water tank 102 closest to the driven belt pulley 141, the bottom plate 101 is fixedly provided with a condenser 103, a pipeline is communicated between the condenser 103 and the circular driving bin 121, and the side surface of the condenser 103 is provided with a liquid discharge pipe.

The water supplementing pipe 108 is fixedly arranged on the semicircular groove plate 119 on the first separation carriage 126, the water outlet pipe 113 is fixedly arranged on the semicircular groove plate 119 on the second separation carriage 127, a hose is arranged between the driving pipe 115 and the water supplementing pipe 108, a hose is arranged between the water tank 102 closest to the driven gear 142 and the water outlet pipe 113, a water outlet pipe 107 is arranged at the upper end and the lower end of the water tank 102 closest to the driven pulley 141, and a sealing cover is arranged on the water outlet pipe 107.

The hose between the water refill tube 108 and the drive tube 115, the hose between the tee 114 and the circular drive housing 121, the hose of the water tank 102 nearest the driven gear 142 and the water outlet tube 113 provide a free space for movement of the two semicircular grooved plates 119.

Diethyl ether is injected into the fan-shaped water tank 120 through the fluid supplementing pipe 111, the water level line of the diethyl ether in the fan-shaped water tank 120 is lower than the connection position of the three-way pipe 114 and the fan-shaped water tank 120, and the closed cavity formed by the two semicircular groove plates 119 and the outer shell of the axial flow fan motor 117, the water supplementing pipe 108, the two water tanks 102, the water outlet pipe 113, the hose between the water outlet pipe 113 and the water tank 102, and the hose between the driving pipe 115 and the water supplementing pipe 108 are filled with water.

The temperature of the axial fan motor 117 during operation is transmitted to water in a closed cavity formed by the two semicircular groove plates 119 and the outer shell of the axial fan motor 117 through the outer shell of the axial fan motor 117, so that the temperature of the water in the closed cavity formed by the two semicircular groove plates 119 and the outer shell of the axial fan motor 117 is increased, the water is further transmitted to liquid in the fan-shaped water tank 120, the boiling point of diethyl ether in the fan-shaped water tank 120 is lower, when the temperature is too high, the liquid in the fan-shaped water tank 120 is boiled, gas enters the circular driving bin 121 through the three-way pipe 114, the conversion impeller 122 is driven to rotate, the driving impeller 116 is driven to rotate under the action of the gearbox 110, and then water in the driving tube 115 is driven to flow, so that the water in the closed cavity formed by the two semicircular groove plates 119 and the outer shell of the axial fan motor 117 starts to circulate, and hot water outside the axial fan motor 117 is replaced.

The higher the generation temperature of the axial flow fan motor 117 is, the larger the amount of gas generated in the fan-shaped water tank 120 is, the faster the conversion impeller 122 is driven to rotate, the faster the driving impeller 116 is driven to rotate, the faster the circulation of water in a closed cavity formed by the two semicircular groove plates 119 and the outer shell of the axial flow fan motor 117 is achieved, namely, the adjustment of the temperature of the water in the closed cavity formed by the two semicircular groove plates 119 and the outer shell of the axial flow fan motor 117 is achieved, and the temperature of the water in the closed cavity formed by the two semicircular groove plates 119 and the outer shell of the axial flow fan motor 117 is always lower.

Working principle: in the operation of the axial flow fan motor 117, the heat dissipation and the temperature reduction of the axial flow fan motor 117 are carried out on the water in the closed cavity formed by the two semicircular groove plates 119 and the outer shell of the axial flow fan motor 117, the water in the closed cavity formed by the two semicircular groove plates 119 and the outer shell of the axial flow fan motor 117 is transferred to the liquid in the fan-shaped water tank 120, when the temperature is too high, the liquid in the fan-shaped water tank 120 boils, the airflow is generated to drive the conversion impeller 122 to rotate, the driving impeller 116 is driven to rotate, the water in the closed cavity formed by the two semicircular groove plates 119 and the outer shell of the axial flow fan motor 117 is enabled to circulate, and then the temperature of the water in the closed cavity formed by the two semicircular groove plates 119 and the outer shell of the axial flow fan motor 117 is always lower.

When the liquid in the fan-shaped water tank 120 is exhausted, the electromagnetic valve on the liquid supplementing pipe 111 is opened, the liquid is supplemented into the fan-shaped water tank 120 through the liquid supplementing pipe 111, the gas generated in the fan-shaped water tank 120 flows out from the liquid discharge pipe of the condenser 103 through the fan-shaped water tank 120 under the action of the condenser 103, and the collecting cylinder is arranged on the liquid discharge pipe of the condenser 103, so that the liquid flowing out from the liquid discharge pipe of the condenser 103 is collected.

When repair and cleaning of the inside is required, the driving motor 140 is started to drive the driving gear 143 to rotate, the torsion spring between the driving gear 143 and the driving gear 144 is released, the separation slide 136 moves upward under the action of the driving gear 143, and the Z-shaped step plates 139 on both sides are further moved upward, that is, the fixed slide 134 is disengaged from the semicircular cylinder 106, and the torsion spring between the driving gear 144 and the driving gear 143 is completely released.

At this time, the separation slide plate 136 is continuously driven to move upwards, the driving gear 143 and the driving gear 144 synchronously rotate, and under the action of the driven gear 142, the driving gear 144, the driven pulley 141, the driving pulley 118 and the auxiliary conveyor belt 112, the two unfolding rotary shafts 132 are driven to rotate, that is, the two semi-cylinders 106 rotate in opposite directions, so that the semi-cylinders 106 are finally contacted with the limit short plate 109, at this time, the auxiliary round block at the lower end of the separation slide plate 136 is contacted with the separation slide frame I126, and the Z-shaped step plate 139 is not separated from and is engaged with the corresponding separation fixed slat 130, that is, the unfolding of the semi-cylinders 106 is realized, thereby facilitating the repair and cleaning of the inside.

The waterproof paint is brushed inside the outer casing of the axial fan motor 117 and the semicircular groove plate 119 to achieve the anti-corrosion effect, but the waterproof paint inside the outer casing of the axial fan motor 117 and the semicircular groove plate 119 is separated under the condition of being heated for a long time, so that the waterproof paint inside the outer casing of the axial fan motor 117 and the semicircular groove plate 119 needs to be replaced regularly.

When the waterproof paint is replaced inside the shell and the semicircular groove plate 119, the sealing cover of the drain pipe 107 is firstly opened, water inside the shell is drained, then the separation sliding plate 136 is continuously driven to move upwards, at the moment, the driving gear 144 cannot rotate, a spring between the driving gear 143 and the driving gear 144 is compressed, the semicircular cylinder 106 cannot continuously rotate under the action of the limiting short plate 109, at the moment, an auxiliary round block at the lower end of the separation sliding plate 136 is contacted with the separation sliding frame I126, the separation sliding plate 136 synchronously moves upwards, the auxiliary magnet 131 is separated from the contact of the air duct 104, the separation sliding frame I126 and the separation sliding frame II 127 are made to move to two sides under the action of the separation rack 129 and the separation toothed ring 125, namely, the two semicircular groove plates 119 are made to move to opposite directions, and finally, the semicircular groove plates 119 are completely separated from the shell contact of the axial flow fan motor 117, so that separation of the semicircular groove plates 119 and the separation toothed ring 125 is realized, and the waterproof paint is replaced inside the shell and the semicircular groove plates 119.

The present invention is not limited to the above-described embodiments, and various modifications are possible within the scope of the present invention without inventive labor, as those skilled in the art will recognize from the above-described concepts.

Claims (9)

1. The utility model provides a motor cooling device for axial fan, includes bottom plate (101), fixed mounting has dryer (104) on bottom plate (101), and fixed mounting has cross fixed plate (123) in dryer (104), and fixed mounting has axial fan motor (117) on cross fixed plate (123), and fixed mounting has impeller (105) on the output shaft of axial fan motor (117), its characterized in that:

an unfolding assembly is arranged above the bottom plate (101), the unfolding assembly comprises two unfolding rotating shafts (132), the two unfolding rotating shafts (132) are symmetrically and rotatably arranged on the air duct (104), a semi-cylinder (106) is fixedly arranged on each unfolding rotating shaft (132), and a shutter plate is fixedly arranged at the end part of each semi-cylinder (106);

the utility model discloses a three-way pipe, including bottom plate (101) and heat exchange component, bottom plate (101) top still is provided with separation subassembly and heat exchange component, and separation subassembly includes separation first carriage (126), separation second carriage (127) and two semicircle frid (119), and the slidable mounting of separation first carriage (126) and separation second carriage (127) symmetry is on dryer (104), and the fixed slat (130) that are provided with of equal symmetry on separation first carriage (126) and the separation second carriage (127), separation fixed slat (130) on two semicircle frid (119) and separation first carriage (126) respectively and separation fixed slat (130) fixed connection on separation second carriage (127), heat exchange component includes three-way pipe (114), fan-shaped water tank (120), circular drive storehouse (121), and wherein both ends and fan-shaped water tank (120) of three-way pipe (114) communicate, are provided with hose intercommunication between the other end of three-way pipe (114) and circular drive storehouse (121), and conversion impeller (122) are installed to the rotation in circular drive storehouse (121).

2. The motor heat dissipating apparatus for an axial flow fan according to claim 1, wherein: the unfolding assembly further comprises a driven gear (142), a driving gear (143), a driven belt wheel (141), wherein the driven gear (142), the driving gear (143) and the driven belt wheel (141) are all rotatably arranged on the air duct (104), a first transmission group is arranged between one of the two unfolding rotating shafts (132) and the driven gear (142), and a second transmission group is arranged between the other one of the two unfolding rotating shafts (132) and the driven belt wheel (141).

3. The motor heat dissipating apparatus for an axial flow fan according to claim 2, wherein: the driving gear (143) is rotationally provided with a driving gear (144), the driving gear (144) and the driven gear (142) are meshed to form a gear pair, a torsion spring is arranged between the driving gear (143) and the driving gear (144), the driving gear (144) is fixedly provided with a driving belt wheel (118), an auxiliary conveying belt (112) is arranged between the driving belt wheel (118) and the driven belt wheel (141), the air drum (104) is symmetrically and fixedly provided with limiting short plates (109), and the limiting short plates (109) are used for limiting the rotating positions of corresponding semicircular drums (106).

4. A motor heat dissipating apparatus for an axial flow fan according to claim 3, wherein: the separation assembly further comprises a cross-shaped mounting plate (124) fixedly mounted on the inner side of the air duct (104), a separation toothed ring (125) is rotatably mounted on the cross-shaped mounting plate (124), separation racks (129) are fixedly mounted on the first separation sliding frame (126) and the second separation sliding frame (127), the separation racks (129) on the first separation sliding frame (126) and the separation racks (129) on the second separation sliding frame (127) are oppositely arranged, the two separation racks (129) are meshed with the separation toothed ring (125) to form a gear rack pair, auxiliary magnets (131) are symmetrically mounted on the first separation sliding frame (126) and the second separation sliding frame (127) fixedly, and the auxiliary magnets (131) are used for limiting movement of the first separation sliding frame (126) and the second separation sliding frame (127).

5. The motor heat dissipating apparatus for an axial flow fan according to claim 4, wherein: the separation sliding frame I (126) is provided with a separation sliding plate (136) in a sliding manner, the lower end of the separation sliding plate (136) is symmetrically and fixedly provided with an auxiliary round block, the separation sliding plate (136) is fixedly provided with a separation screw rod (138), the air cylinder (104) is rotatably provided with a separation gear (137), the separation gear (137) and the separation screw rod (138) form a spiral pair, the separation gear (137) and a driving gear (143) are meshed to form a gear pair, and when the two semicircular groove plates (119) are connected, the two semicircular groove plates (119) and the outer shell of the axial flow fan motor (117) form a closed space.

6. The motor heat dissipating apparatus for an axial flow fan according to claim 5, wherein: the two sides of the separation slide plate (136) are fixedly provided with Z-shaped step plates (139), the Z-shaped step plates (139) are in sliding fit with corresponding separation fixing strips (130), the end faces of the Z-shaped step plates (139) farthest from the separation screw rod (138) and the end faces of the separation fixing strips (130) farthest from the separation screw rod (138) are on the same plane, the symmetrical sliding mounting of the air duct (104) is provided with fixing slide plates (133), the fixing slide plates (133) are fixedly provided with fixing slide columns (134) and fixing push rods (135), the semicircular cylinders (106) are provided with sliding holes matched with the fixing slide columns (134), and the fixing push rods (135) are in contact with the Z-shaped step plates (139).

7. The motor heat dissipating apparatus for an axial flow fan according to claim 6, wherein: the heat exchange assembly comprises 2 water tanks (102) fixedly mounted on a bottom plate (101), the two water tanks (102) are communicated, a water supplementing pipe (108) is fixedly arranged on a semicircular groove plate (119) on a first separation sliding frame (126), a water outlet pipe (113) is fixedly arranged on the semicircular groove plate (119) on a second separation sliding frame (127), a driving pipe (115) is fixedly mounted on the water tank (102) closest to a driven belt pulley (141), a hose is arranged between the driving pipe (115) and the water supplementing pipe (108), and a hose is arranged between the water tank (102) closest to the driven gear (142) and the water outlet pipe (113).

8. The motor heat dissipating apparatus for an axial flow fan according to claim 7, wherein: the fan-shaped water tank (120) is fixedly arranged on the outer side of a semicircular groove plate (119) on the separation sliding frame II (127), the circular driving bin (121) is fixedly arranged on the bottom plate (101), the driving impeller (116) is rotatably arranged on the driving pipe (115), the gearbox (110) is arranged between the driving impeller (116) and the conversion impeller (122), and the gearbox (110) is fixedly arranged on the water tank (102) closest to the driven belt wheel (141).

9. The motor heat dissipating apparatus for an axial flow fan according to claim 8, wherein: the device is characterized in that a condenser (103) is fixedly arranged on the bottom plate (101), a pipeline is communicated between the condenser (103) and the circular driving bin (121), a liquid discharge pipe is arranged on the side face of the condenser (103), a liquid supplementing pipe (111) is fixedly arranged on the side face of the fan-shaped water tank (120), and an electromagnetic valve is arranged on the liquid supplementing pipe (111).

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