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CN-224205982-U - Fishpond aerator

CN224205982UCN 224205982 UCN224205982 UCN 224205982UCN-224205982-U

Abstract

The utility model discloses a fish pond aerator, which comprises a driving system, a transmission mechanism, an aerator assembly, a connecting assembly and a buoyancy device, wherein the lower end of the driving system is connected with the transmission mechanism, the periphery of the transmission mechanism is provided with the connecting assembly, the outer end of the connecting assembly is provided with the buoyancy device, the aerator assembly is arranged at the bottom end of the transmission mechanism, the driving system comprises an outer cover shell, an outer rotor assembly, an inner stator assembly, a motor shaft and a supporting assembly, the inner stator assembly is sleeved and fixed on the motor shaft, the bottom of the inner stator assembly is connected with the supporting assembly, the outer rotor assembly is sleeved and connected with the motor shaft, the outer rotor assembly is wrapped and arranged on the periphery of the inner stator assembly, and the outer cover shell is arranged on the outermost side of the driving system. By reasonably optimizing the motor shape selection and the overall structural design, the utility model reduces unnecessary material consumption and processing complexity, thereby effectively reducing the production cost of equipment and improving the market competitiveness.

Inventors

  • DAI MINGZHI
  • ZHANG WEIHAO

Assignees

  • 苏州世必达机电科技有限公司

Dates

Publication Date
20260508
Application Date
20250611

Claims (6)

  1. 1. The fish pond aerator is characterized by comprising a driving system (1), a transmission mechanism (2), an aerator assembly (3), a connecting assembly (4) and a buoyancy device (5), wherein the lower end of the driving system (1) is connected with the transmission mechanism (2), the connecting assembly (4) is arranged on the periphery of the transmission mechanism (2), the buoyancy device (5) is arranged on the outer end of the connecting assembly (4), the aerator assembly (3) is arranged at the bottom end of the transmission mechanism (2), the driving system (1) comprises an outer cover shell (11), an outer rotor assembly (12), an inner stator assembly (13), a motor shaft (14) and a supporting assembly (15), the inner stator assembly (13) is sleeved and fixed on the motor shaft (14), the bottom of the inner stator assembly is connected with the supporting assembly (15), the outer rotor assembly (12) is sleeved and connected with the motor shaft (14) in a sleeved mode, the outer periphery of the inner stator assembly (13) is wrapped and the outer cover shell (11) is arranged on the outermost side of the driving system (1).
  2. 2. The fishpond aerator of claim 1, wherein the inner stator assembly (13) comprises an inner stator frame (131), magnetic poles (132), an inner stator core (133) and an excitation winding (134), the inner stator frame (131) is mounted on the supporting assembly (15), the outer ring of the inner stator frame (131) is sleeved with the inner stator core (133), the outer side of the inner stator core (133) is provided with the magnetic poles (132), and the inner stator core (133) is provided with the excitation winding (134).
  3. 3. The fish pond aerator according to claim 2, wherein the exciting winding (134) comprises an exciting coil wound on an inner stator core (133) for generating a rotating magnetic field.
  4. 4. The fish pond aerator according to claim 2, wherein the outer rotor assembly (12) is arranged around the outer side of the magnetic pole (132), the outer rotor assembly (12) comprises a permanent magnet magnetic pole (121) and an outer rotor shell, the permanent magnet magnetic pole (121) is arranged around the outer side of the magnetic pole (132) adjacently, and the outer rotor shell is arranged around the permanent magnet magnetic pole (121).
  5. 5. A fish pond aerator according to claim 2, characterized in that the inner stator assembly (13) comprises at least 48 poles (132).
  6. 6. The fishpond aerator according to claim 1, wherein the aerator assembly (3) comprises a fixed plate (31), a rotating wheel (32) and blades (33), the upper end of the fixed plate (31) is connected with the transmission mechanism (2), the rotating wheel (32) is arranged at the lower end, the blades (33) are uniformly arranged on the outer wall of the rotating wheel (32) in a surrounding mode, the outer sides of the blades (33) are bent, and the inner sides of the blades are obliquely arranged on the outer wall of the rotating wheel (32).

Description

Fishpond aerator Technical Field The utility model belongs to the technical field of oxygen-increasing machines, and particularly relates to a fish pond oxygen-increasing machine. Background The fishpond aerator is a device which is specially used for improving the content of dissolved oxygen in fishpond water, and has an extremely important role for the aquaculture industry. Along with the increase of the aquaculture density and the improvement of the requirements on the aquaculture environment, the application of the fish pond aerator is more and more extensive. In the prior art, a three-phase permanent magnet synchronous motor is mainly used as driving equipment for a fish pond aerator, the manufacturing process of the three-phase permanent magnet synchronous motor is more complex, the cost is increased by using high-performance permanent magnet materials, in addition, in order to realize efficient operation, the three-phase permanent magnet synchronous motor needs to be provided with a special driver and a controller to accurately control the speed and the position of the motor, besides the cost of the motor, the motor also needs to be additionally invested in a complex electronic control system, and in addition, the environment of the fish pond has high humidity and can have corrosive substances, and the motor can be damaged by the high-performance permanent magnet materials. Therefore, the use of three-phase permanent magnet synchronous motors is generally expensive, and the above-described situation needs to be resolved. Disclosure of utility model The utility model aims to overcome the defects, and aims to provide the fishpond aerator so as to solve the problems of high manufacturing cost and the like in the prior art. By optimizing the motor model selection and the overall structural design, the manufacturing and maintenance cost of the equipment is obviously reduced, and therefore the economic benefit of farmers is improved. The fish pond aerator comprises a driving system, a transmission mechanism, an aerator assembly, a connecting assembly and a buoyancy device, wherein the lower end of the driving system is connected with the transmission mechanism, the connecting assembly is arranged on the periphery of the transmission mechanism, the buoyancy device is arranged at the outer end of the connecting assembly, the aerator assembly is arranged at the bottom end of the transmission mechanism, the driving system comprises an outer cover shell, an outer rotor assembly, an inner stator assembly, a motor shaft and a supporting assembly, the inner stator assembly is sleeved and fixed on the motor shaft, the bottom of the inner stator assembly is connected with the supporting assembly, the outer rotor assembly is sleeved and connected with the motor shaft, the outer rotor assembly is wrapped and arranged on the periphery of the inner stator assembly, and the outer cover shell is arranged on the outermost side of the driving system. By reasonably optimizing the motor shape selection and the overall structural design, the application reduces unnecessary material consumption and processing complexity, thereby effectively reducing the production cost of equipment and improving the market competitiveness. Further, the inner stator assembly comprises an inner stator frame, magnetic poles, an inner stator iron core and an excitation winding, wherein the inner stator frame is arranged on the supporting assembly, the outer ring of the inner stator frame is sleeved with the inner stator iron core, the outer side of the inner stator iron core is provided with the magnetic poles, and the inner stator iron core is provided with the excitation winding. The application adopts a modularized layered structure, has clear layers and standard connection among all the components, is beneficial to detecting or replacing specific components during later maintenance and reduces the maintenance cost. Further, the exciting winding includes an exciting coil wound on the inner stator core for generating a rotating magnetic field. The exciting coil is directly wound on the inner stator core, so that the electromagnetic induction principle can be effectively utilized, and a strong and uniformly distributed rotating magnetic field is generated when the electromagnetic induction type magnetic motor is electrified. The conversion efficiency and the output torque of the motor are improved, and the high-efficiency operation of the aerator driving system is ensured. Further, the outer rotor assembly is arranged on the outer side of the magnetic pole in a surrounding mode, the outer rotor assembly comprises permanent magnet magnetic poles and an outer rotor shell, the permanent magnet magnetic poles are arranged on the outer side of the magnetic pole in an adjacent surrounding mode, and the outer rotor shell is wrapped on the permanent magnet magnetic poles in a surrounding mode. The outer rotor component adopts a permanent magnet pole desig