CN202566005U

CN202566005U - Aerator

Info

Publication number: CN202566005U
Application number: CN 201220232782
Authority: CN
Inventors: 郭亮甫
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-23
Filing date: 2012-05-23
Publication date: 2012-12-05
Anticipated expiration: 2022-05-23

Abstract

The utility model relates to an aerator. The aerator comprises an impeller, a floating body and a motor base, wherein the motor base is connected with the floating body by a bracket; the motor base is provided with a direct current (DC) brushless motor; and a motor shaft is connected with the impeller. The aerator has the advantages that 1, the aerator uses the DC brushless motor (a DC brushless non-position sensor motor or a DC brushless position sensor motor), and the stepless speed regulation of the DC brushless motor is realized by a motor controller, so a user can regulate the rotating speed of the impeller according to the actual oxygen need, and the waste of power resources is avoided; 2, the DC brushless motor is used as the driving motor of the impeller, so when the equipment works, the equipment is low in noise and energy consumption and high in efficiency and meets the present environmental protection requirements for energy saving and emission reduction; and 3, the DC brushless motor can be started by the safety voltage below 36V, so the economic loss, which is caused by electric leakage, of farmers can be avoided, and damage to the bodies of users are also avoided.

Description

Aerator

Technical field

The utility model relates to the aerator of a kind of aerator, particularly used for aquiculture.

Background technology

One Chinese patent application CN 201110090305.2 discloses a kind of aerator on July 27th, 2011, it comprises motor, decelerator, first output shaft, second output shaft, waterwheel wheel and impeller, frame, buoyancy aid.The waterwheel wheel is installed on and the first output shaft two ends, and impeller is installed on the end of second output shaft, and motor drives first output shaft simultaneously through decelerator and second output shaft rotates to different directions, thereby drives waterwheel wheel and impeller rotation.The aerator of this structure exists not enough, and (1) aerator can only constant speed work, and no matter cultivating pool slight hypoxia or severe hypoxia all need the capacity operation aerator, make aerator when the cultivating pool slight hypoxia, cause unnecessary energy waste; (2) the aerator operating voltage is alternating current 220V or 380V, in case electric leakage then can bring serious economic loss to the raiser, even jeopardize personal safety; (3) motor must be connected with impeller through decelerator, so that increases the aerator cost, and more trouble is installed; (4) motor is an alternating current generator, and motor is if move under voltage situation on the low side, easily heating burnout.

The utility model content

The purpose of the utility model is to overcome the deficiency that above-mentioned prior art exists, and provide a kind of simple and reasonable, energy consumption is low, long service life, safe and reliable aerator, to overcome the deficiency of prior art.

The purpose of the utility model is to realize like this.

A kind of aerator comprises impeller, buoyancy aid and motor cabinet, and motor cabinet is connected with buoyancy aid through support, and it is characterized in that: said motor cabinet is provided with dc brushless motor, and motor shaft is connected with impeller.

The purpose of the utility model can also adopt following technical measures to solve.

As scheme more specifically, said dc brushless motor comprises housing assembly, field frame assembly, rotor assembly and controller; Housing assembly comprises housing, is connected the drive end bearing bracket and the rear end cap at housing two ends, and field frame assembly comprises stator core and stator winding, and rotor assembly comprises rotor magnetic steel and motor shaft, and rotor magnetic steel is fixedly connected on the motor shaft outside; Stator core is fixed in inner walls, and the stator winding lead-out wire is electrically connected with controller, and rotor magnetic steel is arranged at the stator core center, and motor shaft stretches out outside the front and rear cover, and also corresponding respectively motor shaft two ends are provided with fore bearing and rear bearing on the front and rear cover.

Also be provided with position sensor in the said dc brushless motor, its position sensor connecting line is drawn outside housing and with controller and is electrically connected.

Said position sensor is Hall element or grating sensor etc., but does not limit to this two kinds of sensors.

Said aerator also comprises air pressure probe, and this sensor is electrically connected with controller.

Said air pressure probe is arranged on the aerator, more accurately to measure the air pressure of culturing pool face.

Said support is provided with the oxygen detection sensor, and this sensor is electrically connected with controller.When the oxygen detection sensor detects water oxygen level hour, aerator starts, delivery of supplemental oxygen part in the feedwater.

Said support is provided with light sensor, and this sensor is electrically connected with controller.Dim or during to night, aerator can start automatically when the colour of sky.

The beneficial effect of the utility model is following.

1, this aerator adopts dc brushless motor (brush DC position-sensor-free motor and brush DC position sensor motor) to carry out stepless speed regulation to it through electric machine controller; The user can regulate wheel speed according to the required oxygen-supplying amount of reality, in order to avoid the waste electric power resource.

2, adopt the drive motors of dc brushless motor as impeller, noise is lower when making equipment work, energy consumption is littler, efficient is higher, meets the environmental requirement of current energy-saving and emission-reduction.

3, the operating voltage of dc brushless motor can use the safe voltage below the 36V to start, and the raiser is caused economic loss when avoiding leaking electricity, and more can not cause personal injury to the user.

4, consider that oxygen content and air pressure are closely related in the air, survey near the air pressure the cultivating pool and real-time condition fed back to controller that controller will be regulated wheel speed automatically so air pressure probe is set.

5, adopt the driven by Brush-Less DC motor impeller, motor shaft can directly not be connected with impeller through decelerator, has simplified the structure of aerator.

Description of drawings

Fig. 1 is the utility model first example structure sketch map.

Fig. 2 is a dc brushless motor sectional structure sketch map among Fig. 1.

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

As depicted in figs. 1 and 2, this aerator comprises impeller 2, buoyancy aid 3 and motor cabinet 5, and motor cabinet 5 is connected with buoyancy aid 3 through support 4, and said motor cabinet 5 is provided with dc brushless motor 1, and motor shaft 1.1 is connected with impeller 2.

Said dc brushless motor (the above dc brushless motor is brush DC position-sensor-free motor) comprises housing assembly, field frame assembly, rotor assembly and controller; Housing assembly comprises housing 1.4, is connected the drive end bearing bracket 1.3 and the rear end cap 1.6 at housing 1.4 two ends; Field frame assembly comprises stator core 1.8 and stator winding 1.2; Rotor assembly comprises rotor magnetic steel 1.7 and motor shaft 1.1, and rotor magnetic steel 1.7 is fixedly connected on motor shaft 1.1 outsides; Stator core 1.8 is fixed in housing 1.4 inwalls; Stator winding lead-out wire 1.5 is electrically connected with controller; Rotor magnetic steel 1.7 is arranged at stator core 1.8 centers, and motor shaft 1.1 stretches out outside the front and rear cover, and also corresponding respectively motor shaft 1.1 two ends are provided with fore bearing 9 and rear bearing 10 on the front and rear cover.

Can also be provided with position sensor in the said dc brushless motor, form brush DC position sensor motor, its position sensor connecting line is drawn outside housing 1.4 and with controller and is electrically connected.

Said position sensor is Hall element 8 or grating sensor etc.

Said aerator also comprises air pressure probe 7, and this sensor is electrically connected (shown in the figure, air pressure probe 7 is arranged on the aerator, more accurately to measure the air pressure of culturing pool face) with controller.Consider that oxygen content and air pressure are closely related in the air, survey near the air pressure the cultivating pool and real-time condition fed back to controller that controller will be regulated wheel speed automatically so air pressure probe is set.Certainly, also can use air pressure probe instead other sensor according to the active behavior of aquatic products; Like oxygen detection sensor, light sensor etc.; The oxygen detection sensor: detect water oxygen level hour, aerator starts, delivery of supplemental oxygen part in the feedwater; Light sensor: dim or during to night, aerator starts automatically when the colour of sky.

Except air pressure probe, oxygen detection sensor, light sensor can be set, the sensor that other testing environment changes and the water body quality is relevant can be set also on the aerator, not enumerate one by one at this.

Claims

1. an aerator comprises impeller, buoyancy aid and motor cabinet, and motor cabinet is connected with buoyancy aid through support, and it is characterized in that: said motor cabinet is provided with dc brushless motor, and motor shaft is connected with impeller.

2. aerator according to claim 1 is characterized in that: said dc brushless motor comprises housing assembly, field frame assembly, rotor assembly and controller;

Housing assembly comprises housing, is connected the drive end bearing bracket and the rear end cap at housing two ends, and field frame assembly comprises stator core and stator winding, and rotor assembly comprises rotor magnetic steel and motor shaft, and rotor magnetic steel is fixedly connected on the motor shaft outside;

Stator core is fixed in inner walls, and the stator winding lead-out wire is electrically connected with controller, and rotor magnetic steel is arranged at the stator core center, and motor shaft stretches out outside the front and rear cover, and also corresponding respectively motor shaft two ends are provided with fore bearing and rear bearing on the front and rear cover.

3. aerator according to claim 2 is characterized in that: also be provided with position sensor in the said dc brushless motor, its position sensor connecting line is drawn outside housing and with controller and is electrically connected.

4. aerator according to claim 3 is characterized in that: said position sensor is Hall element or grating sensor.

5. according to claim 2 or 3 or 4 described aerators, it is characterized in that: said aerator also comprises air pressure probe, and this sensor is electrically connected with controller.

6. aerator according to claim 5 is characterized in that: said air pressure probe is arranged on the aerator.

7. according to claim 2 or 3 or 4 described aerators, it is characterized in that: said support is provided with the oxygen detection sensor, and this sensor is electrically connected with controller.

8. according to claim 2 or 3 or 4 described aerators, it is characterized in that: said support is provided with light sensor, and this sensor is electrically connected with controller.