CN211830496U

CN211830496U - Dust collector motor with Hall device

Info

Publication number: CN211830496U
Application number: CN202020683135.3U
Authority: CN
Inventors: 祝轲卿; 王俊席; 项茂丰
Original assignee: Shanghai Haineng Automotive Electronics Co ltd
Current assignee: Shanghai Haineng Automotive Electronics Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-10-30
Anticipated expiration: 2030-04-29

Abstract

A dust collector motor with a Hall device belongs to the technical field of motors and comprises a motor shell, a motor shaft, a flow guide device, a wind impeller, a magnetic conductive ring, the Hall device, a stator bracket and a stator device; the motor shell comprises a motor front cover, a motor shell and a motor rear cover, the motor front cover, the motor shell and the motor rear cover are connected together through bolts, a motor shaft is arranged on the axis of the motor shell, a wind impeller is arranged in a guide plate and connected with one end of the motor shaft, a magnetic conduction ring is arranged on the outer edge of the middle part of the motor shaft, and a Hall device is arranged on the outer edge of the middle part of the motor shaft and is close to the magnetic conduction ring. The utility model discloses in, can monitor the hall signal of motor through hall device, realize effective control to the motor. The utility model relates to a rationally, simple structure is applicable to the optimal design of dust catcher motor.

Description

Dust collector motor with Hall device

Technical Field

The utility model relates to a brushless motor in the technical field of motors, in particular to a dust collector motor with a flow guide cavity and a Hall device.

Background

The dust collector mainly comprises three parts of dust generation, dust collection and dust filtration, and generally comprises a series excitation commutator motor, a centrifugal fan, a dust filter (bag) and a dust collection accessory. The power of a typical vacuum cleaner is 400-1000W or more, and the power of a portable vacuum cleaner is 250W or less. The dust collector can remove dust and is mainly characterized in that an electric exhaust fan is arranged at the head of the dust collector. The rotating shaft of the exhaust fan is provided with an air impeller, after the air impeller is electrified, the exhaust fan can generate higher suction force and pressure at the rotating speed of 500 circles per second, air is discharged at high speed under the action of the suction force and the pressure, air in the dust suction part at the front end of the air fan continuously supplements the air in the air fan, instantaneous vacuum is generated inside the dust collector, negative pressure difference is formed between the air and the external atmospheric pressure, and air containing dust is sucked under the action of the negative pressure difference. The dust and other sundries sequentially pass through the carpet or the floor brush, the long connecting pipe, the bent pipe, the hose and the hose joint to enter the dust filtering bag, the dust and other sundries are retained in the dust filtering bag, and the air is purified by the filter disc and then is discharged from the tail part of the machine body. The working principle of the dust collector is that a motor of the dust collector rotates at a high speed, air is sucked from a suction inlet, a dust box generates certain vacuum, dust enters a dust filtering bag in the dust box through a floor brush, a connecting pipe, a handle, a hose and a main suction pipe, the dust is left in the dust filtering bag, the filtered air enters the motor through a layer of filter plate, the layer of filter plate is a protective barrier for preventing the dust bag from breaking and sucking the dust into the motor, the air entering the motor flows out through the motor, and the carbon brush is continuously abraded during the operation of the motor, so that the air flows out of the dust collector and is filtered.

However, in the prior art, the control stability of the motor of the dust collector and the heat dissipation performance of the motor are poor.

Disclosure of Invention

The utility model discloses to prior art's not enough, provide a dust catcher motor with hall device, not only small, control is nimble, can also effectively solve the heat dissipation problem of motor.

The utility model is realized by the following technical proposal, the utility model comprises a motor shell, a motor shaft, a flow guiding device, a fan impeller, a magnetic conductive ring, a Hall device, a stator bracket, a stator device and a controller; the motor shell comprises a motor front cover, a motor shell and a motor rear cover which are connected together through bolts; the motor shaft is arranged on the axis of the motor shell, the flow guide device comprises a flow guide plate arranged in the front cover of the motor and a flow guide cavity arranged on the outer edge of the motor shell, the wind impeller is arranged in the flow guide plate and connected with one end of the motor shaft, the magnetic conduction ring is arranged on the outer edge of the middle part of the motor shaft, the Hall device is arranged on the outer edge of the middle part of the motor shaft and close to the magnetic conduction ring, the stator support is arranged in the motor shell, the stator device is arranged on the stator support, and the controller is arranged in the motor.

Further, in the utility model discloses in, motor shaft, magnetic conductive ring, hall device's axis are the same.

Furthermore, in the present invention, the hall device is symmetrically disposed on both sides of the magnetic conductive ring.

Still further, in the present invention, the stator device includes an enamel wire.

Further, in the present invention, the input voltage of the motor is 36 v.

Furthermore, in the present invention, the motor is a three-phase two-pole motor.

Furthermore, the utility model discloses in, the control mode of controller is for there is not position square wave, can realize overflowing, excessive pressure, excess temperature, hypervelocity, under-voltage, lack the protection of speed.

Compared with the prior art, the utility model discloses have following beneficial effect and do: firstly, the structure is simple, the volume is small, and the weight is light; secondly, the product is provided with a Hall device, the speed regulation is convenient and sensitive, the operation is comfortable, and the performance is stable.

Drawings

Fig. 1 is a perspective sectional view of an embodiment of the present invention;

fig. 2 is a schematic longitudinal sectional structure of an embodiment of the present invention;

FIG. 3 is a schematic diagram of a half-section structure of an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2;

fig. 5 is a front view of an embodiment of the present invention;

fig. 6 is a rear view of an embodiment of the present invention;

fig. 7 is a perspective structural view of an embodiment of the present invention;

wherein: 1. the motor comprises a motor front cover, 2 a motor shell, 3 a motor rear cover, 4 a guide plate, 5 a wind impeller, 6 a guide cavity, 7 a motor shaft, 8 a magnetic conduction ring, 9 a Hall device, 10 a stator support, 11 and a stator device.

Detailed Description

The embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the embodiments of the present invention are based on the technical solution of the present invention and provide detailed embodiments and specific operation processes, but the scope of the present invention is not limited to the following embodiments.

Examples

Fig. 1 to 7 show the specific embodiment, the present invention includes a motor front cover 1, a motor housing 2, a motor rear cover 3, a guide plate 4, a wind impeller 5, a guide cavity 6, a motor shaft 7, a magnetic conductive ring 8, a hall device 9, a stator support 10, and a stator device 11; the motor front cover 1, the motor shell 2 and the motor rear cover 3 form a motor shell, and the motor front cover 1, the motor shell 2 and the motor rear cover 3 are connected together through bolts; the motor shaft 7 is arranged on the axis of the motor shell, the flow guiding device comprises a flow guiding plate 4 arranged in a front cover of the motor and a flow guiding cavity 6 arranged on the outer edge of the motor shell 2, a wind impeller 5 is arranged in the flow guiding plate and connected with one end of the motor shaft 7, a magnetic conductive ring 8 is arranged on the outer edge of the middle part of the motor shaft 7, a Hall device 9 is arranged on the outer edge of the middle part of the motor shaft and is close to the magnetic conductive ring 8, a stator support 10 is arranged in the motor shell 2, a stator device 11 is arranged on the stator support 10, the axes of the motor shaft 7, the magnetic conductive ring 8 and the Hall device 9 are the same, the Hall device 9 is symmetrically arranged on two sides of the magnetic conductive ring 8, the stator device 11 comprises an enameled wire, the.

The utility model discloses in, when motor shaft 7 drove fan wheel 5 and rotates, the air after 5 compressions of fan wheel flows through the water conservancy diversion chamber 6 of 2 outer fringe of motor housing behind guide plate 4, plays certain cooling action to stator device 11. The Hall signal state is monitored by the Hall device 9 at any moment, and when the abnormal Hall signal is detected for more than 5 times, the machine is shut down for protection.

Through the actual test, the utility model discloses a noise < 50dBA, vibration < 6 ms, life-span > 500Hour, operating temperature-10 ~ 45 ℃, the motor maximum efficiency: > 85% (@56000RPM), the total weight is only 280 g.

The utility model discloses a controller control mode is the no position square wave, can realize overflowing, excessive pressure, excess temperature, hypervelocity, under-voltage, owe the fast protection. The standby power consumption of this controller is < 20uA, weight 70 g.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.

Claims

1. A dust collector motor with a Hall device is characterized by comprising a motor shell, a motor shaft, a flow guide device, a wind impeller, a magnetic conduction ring, the Hall device, a stator bracket, a stator device and a controller;

the motor shell comprises a motor front cover, a motor shell and a motor rear cover, and the motor front cover, the motor shell and the motor rear cover are connected together through bolts;

the motor shaft is arranged on the axis of the motor shell;

the flow guide device comprises a flow guide plate arranged in the front cover of the motor and a flow guide cavity arranged at the outer edge of the motor shell;

the wind impeller is arranged in the guide plate and is connected with one end of the motor shaft;

the magnetic conductive ring is arranged on the outer edge of the middle part of the motor shaft;

the Hall device is arranged on the outer edge of the middle part of the motor shaft and is close to the magnetic conduction ring;

the stator bracket is arranged in the motor shell, and the stator device is arranged on the stator bracket;

the controller is arranged in the motor.

2. The vacuum cleaner motor with the hall device as claimed in claim 1, wherein the axes of the motor shaft, the magnetic conductive ring and the hall device are the same.

3. The motor for vacuum cleaner with hall device according to claim 2, wherein the hall device is symmetrically arranged at both sides of the flux ring.

4. The motor for a cleaner with a hall device according to claim 3, wherein the stator means comprises an enamel wire.

5. The motor for vacuum cleaner with Hall device according to claim 1, wherein the input voltage of said motor is 36V.

6. The motor for a cleaner with a hall device according to claim 1, wherein the motor is a three-phase two-pole motor.

7. The motor of vacuum cleaner with Hall device according to claim 1, wherein the controller is controlled by a position-free square wave, so as to realize overcurrent, overvoltage, overtemperature, overspeed, undervoltage and underspeed protection.