CN207354031U - A kind of motor of dust collector and dust catcher - Google Patents
A kind of motor of dust collector and dust catcher Download PDFInfo
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- CN207354031U CN207354031U CN201721065280.XU CN201721065280U CN207354031U CN 207354031 U CN207354031 U CN 207354031U CN 201721065280 U CN201721065280 U CN 201721065280U CN 207354031 U CN207354031 U CN 207354031U
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- motor
- dust collector
- rotor
- armature spindle
- radial
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Abstract
It the utility model is related to cleaner technology field, more particularly to a kind of motor of dust collector and dust catcher.A kind of motor of dust collector of the utility model, including stator and rotor, motor of dust collector is equipped with the magnetic suspension bearing being suspended on rotor in stator, rotor includes armature spindle, magnetic suspension bearing includes being arranged at one end of armature spindle, the upper axial magnetic bearing for being adjusted axially rotor shaft position, and upper axial magnetic bearing opens up fluted, and armature spindle is provided with the protrusion being placed in groove, by groove and male cooperation, to limit the offset of armature spindle vertically.The dust catcher of the utility model includes above-mentioned motor of dust collector, and motor of dust collector includes a controller, and controller actively adjusts the speed of the rotor of motor of dust collector according to the load in dust catcher.The problem of motor of dust collector and dust catcher, existing motor can be overcome, which to be limited be subject to bearing, can not improve rotating speed, operating is reliable, greatly extends service life, improves work efficiency.
Description
Technical field
It the utility model is related to cleaner technology field, more particularly to a kind of high-speed brushless dust suction using magnetic suspension bearing
Device motor and the dust catcher with motor of dust collector.
Background technology
Motor of dust collector require small size and it is high-revolving at the same time, ensure low noise.At present, domestic and international main suction
Dirt device product mostly uses series excited machine or brushed DC motor, in order to realize the miniaturization of volume and lightweight, meets at the same time
The suction effect of bigger, it is often necessary to improve rotating speed.However, this kind of motor is usually by casing, permanent-magnet steel, carbon brush, rotor
Formed with rotor windings, it makes rotor windings continuous at the same time in the running, because that can produce high-speed friction between carbon brush and commutator
Switching electric current, result in and spark is easily produced between carbon brush and commutator, will cause if rotating speed is excessive between carbon brush and commutator
Heavy wear, so as to influence life of product, or even burns rapidly.According to conventional brushless motor as motor of dust collector, in height
Under rotating speed, its bearing, so as to cause bearing damage, makes maintenance and replacement since mechanical friction causes energy loss, temperature rise
Frequently, causing existing brushless electric machine, it can not bear excessive speeds so that and rotating speed maximum can only accomplish 80000RPM or so,
It can not realize the high-performance of ultrahigh rotating speed 150000RPM.
Utility model content
The purpose of this utility model is that proposing a kind of motor of dust collector and dust catcher, existing motor can be overcome to be subject to axis
The problem of limitation can not improve rotating speed is held, operating is reliable, greatly extends service life, improves work efficiency.
For this purpose, the utility model uses following technical scheme：
A kind of motor of dust collector, including stator and rotor, the motor of dust collector are described equipped with the rotor is suspended on
Magnetic suspension bearing in stator, the rotor include armature spindle, and the magnetic suspension bearing includes being arranged at the one of the armature spindle
End, the upper axial magnetic bearing for being adjusted axially the rotor shaft position, the upper axial magnetic bearing open up it is fluted, described turn
Sub- axis is provided with the protrusion being placed in the groove, by the groove and the male cooperation, to limit the armature spindle
Offset vertically.
As a kind of preferred embodiment of above-mentioned motor of dust collector, the raised shaft shoulder or axle sleeve for annular, the groove
For annular groove.
As a kind of preferred embodiment of above-mentioned motor of dust collector, described armature spindle one end is provided with impeller, the upper axial direction
Magnetic bearing is located at one end that the armature spindle does not install impeller.
As a kind of preferred embodiment of above-mentioned motor of dust collector, one end passes the armature spindle equipped with an axial location vertically
Sensor, the upper axial magnetic bearing are disposed in proximity to the side of the axial position sensor.
As a kind of preferred embodiment of above-mentioned motor of dust collector, the rotor, which further includes to be arranged on the armature spindle, to be turned
Sub- permanent magnet, the rotor permanent magnet both sides are respectively provided with the radial direction magnetic bearing of rotor shaft position described in radiai adjustment.
As a kind of preferred embodiment of above-mentioned motor of dust collector, the upper axial magnetic bearing be located at the radial direction magnetic bearing with
Between axial position sensor.
As a kind of preferred embodiment of above-mentioned motor of dust collector, two radial direction magnetic bearings are respectively with the rotor permanent magnet
It is symmetrical arranged centered on body.
As a kind of preferred embodiment of above-mentioned motor of dust collector, further include two and be used to monitor the armature spindle in radial direction institute
Locate the radial-direction position sensor of position, each described radial-direction position sensor corresponds to a radial direction magnetic bearing and sets, institute
State radial-direction position sensor connection motor control panel.
As a kind of preferred embodiment of above-mentioned motor of dust collector, two radial direction magnetic bearings are arranged at two radial directions
Between position sensor, and it is located at the both sides of the rotor permanent magnet respectively.
As a kind of preferred embodiment of above-mentioned motor of dust collector, two radial direction magnetic bearings are respectively to be arranged at described turn
The upper radial direction magnetic bearing at the both ends of sub- permanent magnet and lower radial direction magnetic bearing, two radial-direction position sensors are respectively upper radial direction
Position sensor and lower radial-direction position sensor, the upper radial-direction position sensor corresponds to the upper radial direction magnetic bearing, described
Lower radial-direction position sensor corresponds to the lower radial direction magnetic bearing.
As a kind of preferred embodiment of above-mentioned motor of dust collector, the motor of dust collector sets one individually to control the magnetcisuspension
The power supply that floating axle is held.
A kind of dust catcher with the motor of dust collector, the motor of dust collector include a controller, the controller
The speed of the rotor of the motor of dust collector is actively adjusted according to the load in the dust catcher.
The beneficial effects of the utility model are：
The motor of dust collector of the utility model, mainly for the motor for dust catcher in the prior art due to the limit of bearing
System, the problem of rotating speed can not be improved and propose, the structure of conventional mechanical contact is changed into by it by using magnetic suspension principle
On-mechanical contacts hanging, and in armature spindle rotation process, it does not contact with magnetic suspension bearing and avoids producing abrasion, so as to
To be well adapted for the high speed demand of dust catcher, existing motor can be overcome, which to be limited be subject to bearing, can not carry high-revolving ask
Topic, operating is reliable, greatly extends service life, improves work efficiency.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the motor of dust collector of the utility model；
Fig. 2 is close-up schematic view of the motor of dust collector at I in Fig. 1.
In figure：1- motor control panels；2- axial position sensors；The upper axial magnetic bearings of 3-；The upper radial-direction position sensors of 4-；
The upper radial direction magnetic bearings of 5-；6- stators；7- rotors；Radial direction magnetic bearing under 8-；Radial-direction position sensor under 9-；10- impellers；11- turns
Sub- axis.
Embodiment
Traditional motor is made of stator and rotor, is coupled between stator and rotor by mechanical bearing or there is machinery
Contact, therefore there are mechanical friction during rotor motion.Mechanical friction not only increases the frictional resistance of rotor, makes moving component
Abrasion, produces mechanical oscillation and noise, and component can be caused to generate heat, and makes lubricant degradation, serious to make motor gas
Gap is uneven, heating in winding, and temperature rise increase, so as to reduce motor efficiency, shortens motor service life.
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1 and Figure 2, a kind of motor of dust collector that an embodiment of the utility model provides, including stator 6, with determining
Son 6 is coaxial and the rotor 7 that is rotatably dispose in the stator 6, and the rotor 7 includes rotor permanent magnet and along rotor permanent magnet
The armature spindle 11 for being pierced by the stator 6 axially outward, the motor of dust collector is equipped with the rotor 7 being suspended on the stator
Magnetic suspension bearing in 6.Specifically, the magnetic suspension bearing includes being arranged at the axial both ends of the armature spindle 11, for adjusting
Save at least a pair of radial direction magnetic bearing of 11 radial position of armature spindle and at least one for adjusting 11 axial location of armature spindle
A upper axial magnetic bearing.The motor of dust collector, sets magnetic suspension bearing, using magneticaction by rotor at 11 both ends of armature spindle
Suspension is got up, and makes do not have Mechanical Contact between rotor and magnetic suspension bearing, so mechanical wear is not present in the motor, rotor can
To run to the rotating speed of 150000RPM, with no mechanical wear, energy consumption is low, noise is small, long lifespan, without lubrication, without oily pollution
The advantages that.
In present embodiment, the armature spindle 11 is circumferentially provided with protrusion, and the upper axial magnetic bearing 3 is equipped with to recessed
Groove, the raised shaft shoulder or axle sleeve for annular, the groove is annular groove.The protrusion of the armature spindle 11 is contained on described
In the groove of axial magnetic bearing, to limit the movement of armature spindle 11 in the axial direction, meanwhile, the groove is within the specific limits
Armature spindle can be limited to move in radial directions.
One end of the armature spindle 11 is provided with an impeller 10, and the other end is equipped with an axial position to the armature spindle 11 vertically
Sensor 2 is put, the axial position sensor 2 is coaxially disposed with the armature spindle 11, and the axial position sensor 2 connects electricity
Machine control panel 1.The upper axial magnetic bearing 3 is disposed in proximity to the side of the axial position sensor 2, the upper axial magnetic axis
3 are held between the radial direction magnetic bearing and axial position sensor 2.Wherein, the axial position sensor 2 is used to coordinate institute
Axial magnetic bearing is stated to adjust the position of armature spindle 11 in the axial direction.
Two radial direction magnetic bearings are respectively arranged at the both sides of the rotor permanent magnet of the rotor 7, in order to make rotor 7 outstanding
Floating, in present embodiment, two radial direction magnetic bearings are symmetrical arranged centered on the rotor permanent magnet of the rotor 7 respectively,
It is relatively reliable so as to two radial direction magnetic bearing stress equalizations.
The motor of dust collector further includes two and is used to monitor radial position of the armature spindle 11 in radial direction present position
Sensor, each described radial-direction position sensor correspond to a radial direction magnetic bearing and set, the radial-direction position sensor
Connect motor control panel 1.Specifically, two radial direction magnetic bearings are respectively the upper footpath at the both ends for being arranged at the armature spindle 11
To magnetic bearing 3 and lower radial direction magnetic bearing 8, two radial-direction position sensors are respectively upper radial-direction position sensor 4 and lower footpath
To position sensor 9, the upper radial-direction position sensor 4 corresponds to the upper radial direction magnetic bearing 3, the lower radial position sensing
Device 9 corresponds to the lower radial direction magnetic bearing 8.Two radial direction magnetic bearings be arranged at two radial-direction position sensors it
Between, and it is located at the both sides of the rotor permanent magnet respectively.Wherein, radial-direction position sensor is used to coordinate radial direction magnetic bearing to adjust
Armature spindle is in the position of radial direction.
The magnetic suspension bearing of the motor of dust collector is coordinated by motor control panel to be controlled, and motor on startup, first passes through
Radial-direction position sensor and axial position sensor detect the position of armature spindle, by the deviation signal of the armature spindle transmit into
The controller of motor control panel, the position error signal that controller detects radial-direction position sensor and axial position sensor
The computing of appropriateness is carried out, the control signal after computing is converted into control electric current after power of motor amplifier, controls electric current
Magnetic force is produced in magnetic suspension bearing, so as to drive armature spindle correction position, therefore, armature spindle can be quickly returning to benchmark position
Put, determine that armature spindle is arrived separately at after requiring position in axial and radial direction final, motor starts running.
When the motor of dust collector stalls, since rotatory inertia still can keep rotation certain time after rotor power-off, this
Shi Ruguo magnetic suspension bearings power off, and rotor disequilibrium, can cause motor damage, in this way, the motor need to be arranged in rotor
After stopping operating completely, then the power supply of magnetic suspension bearing coil is disconnected, preferred embodiment, the motor sets a charging
Power supply avoids rotor disequilibrium after motor power-off, so as to damage motor, the charging is electric with the coil power supply to magnetic suspension bearing
Persistently charge in electric motor starting in source.
The motor of dust collector can adjust electromagnetic parameter by controller when in use, rotor is axially and radially being had foot
Enough magnetic pulls, will not cause the position of rotor to change because of the change of load, ensure motor normal operation.
When dust reserves in dust catcher are different, the load of motor can change, and traditional motor works as dust catcher
When interior dust is more and more, the load of motor can be increasing, causes the rotating speed of motor to decline, causes the vacuum of dust catcher
Reduce, suction is gradually reduced, and the utility model motor of dust collector is in the running, and controller can be according to the adjustment of load of dust catcher
The rotating speed of rotor, improves the rotating speed of rotor while load rise, and the vacuum of dust catcher will not be caused because of the change of load
Degree changes, and ensures the suction of dust catcher.
The utility model can adjust electromagnetic parameter by controller, make rotor in axially and radially enough magnetic pulls,
In the case where only setting an axial magnetic bearing, groove is opened up on axial magnetic bearing, is set in 11 periphery of armature spindle accommodating
Protrusion in the groove, rotor can be limited in axial dipole field by groove and male cooperation.It is simple in structure, save element with
Material, reduces cost.
Preferably, in the present embodiment, radial direction magnetic bearing and axial magnetic bearing are made of metal material, preferably may be used
Using high-performance metal materials to reduce bearing volume, noise is reduced, improves electric efficiency；Duct design is cooling wind at the same time
Road, impeller 12 cools down bearing when rotating, so as to improve bearing life.
Preferably, in the present embodiment, radial-direction position sensor is fixed in dedicated fixed plate, and is set in fixed plate
High-precision location structure is put, makes the position deviation of radial-direction position sensor detection rotor small, precision height.
The motor of dust collector of the utility model, as a kind of brand-new brushless motor of dust collector structure, it is applied to dust suction
Device so that the rotating speed of the dust catcher of the utility model is high, and suction is big, and noise is small, long lifespan.
The technical principle of the utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the limitation to scope of protection of the utility model cannot be construed in any way.Based on explanation herein,
Those skilled in the art would not require any inventive effort the other embodiments that can associate the utility model,
These modes are fallen within the scope of protection of the utility model.
Claims (12)
1. a kind of motor of dust collector, including stator (6) and rotor (7), it is characterised in that the motor of dust collector is equipped with by described in
Rotor (7) is suspended on the magnetic suspension bearing in the stator (6), and the rotor (7) includes armature spindle (11), the magnetic suspension shaft
Contract and include the one end for being arranged at the armature spindle (11), the upper axial magnetic bearing for being adjusted axially the armature spindle (11) position
(3), the upper axial magnetic bearing (3) opens up fluted, and the armature spindle (11) is provided with the protrusion being placed in the groove,
By the groove and the male cooperation, to limit the offset of the armature spindle (11) vertically.
2. motor of dust collector according to claim 1, it is characterised in that the raised shaft shoulder or axle sleeve for annular, institute
It is annular groove to state groove.
3. motor of dust collector according to claim 1, it is characterised in that described armature spindle (11) one end is provided with impeller
(10), the upper axial magnetic bearing (3) is located at one end that the armature spindle (11) does not install impeller (10).
4. motor of dust collector according to claim 1, it is characterised in that one end is equipped with one to the armature spindle (11) vertically
Axial position sensor (2), the upper axial magnetic bearing (3) are disposed in proximity to the side of the axial position sensor (2).
5. motor of dust collector according to claim 4, it is characterised in that the rotor (7), which further includes, is arranged at described turn
Rotor permanent magnet on sub- axis (11), the rotor permanent magnet both sides are respectively provided with armature spindle described in radiai adjustment (11) position
The radial direction magnetic bearing put.
6. motor of dust collector according to claim 5, it is characterised in that the upper axial magnetic bearing (3) is located at the footpath
To between magnetic bearing and axial position sensor (2).
7. motor of dust collector according to claim 5, it is characterised in that two radial direction magnetic bearings are respectively with described turn
It is symmetrical arranged centered on sub- permanent magnet.
8. motor of dust collector according to claim 5, it is characterised in that further include two and be used to monitor the armature spindle
(11) the radial direction magnetic is corresponded in the radial-direction position sensor of radial direction present position, each described radial-direction position sensor
Bearing is set, the radial-direction position sensor connection motor control panel (1).
9. motor of dust collector according to claim 8, it is characterised in that two radial direction magnetic bearings are arranged at two institutes
Between stating radial-direction position sensor, and it is located at the both sides of the rotor permanent magnet respectively.
10. motor of dust collector according to claim 8, it is characterised in that two radial direction magnetic bearings are respectively to set
Upper radial direction magnetic bearing (3) and lower radial direction magnetic bearing (8) in the both ends of the rotor permanent magnet, two radial position sensings
Device is respectively upper radial-direction position sensor (4) and lower radial-direction position sensor (9), and the upper radial-direction position sensor (4) is corresponding
In the upper radial direction magnetic bearing (3), the lower radial-direction position sensor (9) corresponds to the lower radial direction magnetic bearing (8).
11. motor of dust collector according to claim 1, it is characterised in that the motor of dust collector sets an individually control
The power supply of the magnetic suspension bearing.
12. a kind of dust catcher with claim 1~11 any one of them motor of dust collector, the motor of dust collector include
One controller, the controller actively adjust the speed of the rotor of the motor of dust collector according to the load in the dust catcher
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721065280.XU CN207354031U (en) | 2017-08-24 | 2017-08-24 | A kind of motor of dust collector and dust catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721065280.XU CN207354031U (en) | 2017-08-24 | 2017-08-24 | A kind of motor of dust collector and dust catcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207354031U true CN207354031U (en) | 2018-05-11 |
Family
ID=62412776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721065280.XU Active CN207354031U (en) | 2017-08-24 | 2017-08-24 | A kind of motor of dust collector and dust catcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207354031U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107516990A (en) * | 2017-08-24 | 2017-12-26 | 莱克电气股份有限公司 | A kind of motor of dust collector and dust catcher |
| WO2019037523A1 (en) * | 2017-08-24 | 2019-02-28 | 莱克电气股份有限公司 | Vacuum cleaner motor and vacuum cleaner |
-
2017
- 2017-08-24 CN CN201721065280.XU patent/CN207354031U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107516990A (en) * | 2017-08-24 | 2017-12-26 | 莱克电气股份有限公司 | A kind of motor of dust collector and dust catcher |
| WO2019037523A1 (en) * | 2017-08-24 | 2019-02-28 | 莱克电气股份有限公司 | Vacuum cleaner motor and vacuum cleaner |
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