CN110768467A - Dry-wet dual-purpose brushless motor with axial guide vanes - Google Patents

Dry-wet dual-purpose brushless motor with axial guide vanes Download PDF

Info

Publication number
CN110768467A
CN110768467A CN201911004195.6A CN201911004195A CN110768467A CN 110768467 A CN110768467 A CN 110768467A CN 201911004195 A CN201911004195 A CN 201911004195A CN 110768467 A CN110768467 A CN 110768467A
Authority
CN
China
Prior art keywords
impeller
ring
wet
dry
brushless motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911004195.6A
Other languages
Chinese (zh)
Inventor
朱云舫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU INDUSTRIAL PARK SIP CINDERSON MOTOR Co Ltd
Original Assignee
SUZHOU INDUSTRIAL PARK SIP CINDERSON MOTOR Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SUZHOU INDUSTRIAL PARK SIP CINDERSON MOTOR Co Ltd filed Critical SUZHOU INDUSTRIAL PARK SIP CINDERSON MOTOR Co Ltd
Priority to CN201911004195.6A priority Critical patent/CN110768467A/en
Publication of CN110768467A publication Critical patent/CN110768467A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The invention discloses a dry and wet dual-purpose brushless motor with axial guide vanes, which comprises: the impeller comprises a movable impeller and a fixed impeller which are coaxial and arranged up and down in sequence; the motor body is positioned below the impeller and connected with the impeller through the rotor, and the bottom of the motor body is provided with an electric control plate; the fan cover covers the upper part of the impeller, and only the stationary impeller is provided with a circle of air outlet with a downward opening; the radial flow guide ring is fixed with the inner ring of the air outlet on the stationary impeller, the upper surface of the radial flow guide ring is provided with a concave curved surface which is reduced in height along the radial outward direction of the motor body, and the vertical downward projections of the air outlet are all fallen on the concave curved surface. The adoption of the invention changes the outflow direction of the airflow, and avoids the possibility that liquid drops enter the interior of the motor iron core and wet the electric control plate, so that the motor can be used under the wet working condition, and simultaneously, the negative effects on the airflow power and the noise are avoided.

Description

Dry-wet dual-purpose brushless motor with axial guide vanes
Technical Field
The invention relates to the field of motors for electric appliances, in particular to a dry-wet dual-purpose brushless motor with axial guide vanes.
Background
At present, most of dry and wet dual-purpose motors in the market are alternating current brushed motors, and the design of a fan part of the dry and wet dual-purpose motors adopts radial holes on a fan cover, so that gas is directly thrown out from the radial direction to prevent liquid such as water and the like from being thrown into an iron core and a coil in the motor, but the air outlet mode of directly outputting through a movable impeller without secondary diffusion is low in efficiency and high in noise. The AC brush motor has the defects of heavy quality and short service life.
Disclosure of Invention
The invention aims to provide a dry-wet dual-purpose brushless motor with axial guide vanes, which changes the outflow direction of air flow, and avoids the possibility that liquid drops enter the interior of a motor iron core and wet an electric control plate, so that the motor can be used under a wet working condition, and the negative effects on the air flow power and noise are avoided.
In order to solve the above problems, the present invention provides a dry and wet dual-purpose brushless motor with axial guide vanes, and to achieve the above object, the technical scheme adopted by the present invention for solving the technical problems is as follows:
a dry and wet dual-purpose brushless motor with axial guide vanes comprises: the impeller comprises a movable impeller and a fixed impeller which are coaxial and arranged up and down in sequence; the motor body is positioned below the impeller and connected with the impeller through the rotor, and the bottom of the motor body is provided with an electric control plate; the fan cover covers the upper part of the impeller, and only the stationary impeller is provided with a circle of air outlet with a downward opening; the radial flow guide ring is fixed with the inner ring of the air outlet on the stationary impeller, the upper surface of the radial flow guide ring is provided with a concave curved surface which is reduced in height along the radial outward direction of the motor body, and the vertical downward projections of the air outlet are all fallen on the concave curved surface.
The beneficial effect of adopting above-mentioned technical scheme is: the utility model provides a take wet or dry high-speed brushless motor of quiet impeller of axial formula, for prevent that gaseous parcel from holding the liquid drop and flow into automatically controlled board on, the stator is waterproof key position also, prevents automatically controlled board short circuit, stops the possibility that stator core intake. The radial guide ring is additionally arranged to guide the gas flow of the radial guide ring to diffuse outwards, the concave curved surface can pocket all liquid drops, the original gas flow which is discharged in the axial direction is gradually changed into radial gas discharge, the splashing direction of the liquid drops is gradually changed, and the splashing direction of the liquid drops is not coincided with the direction of the electric control board, so that the liquid is effectively prevented from flowing to the circuit control board. The overall modification cost is low. Can be used under dry and wet working conditions, and is not easily influenced by liquid drops.
As a further improvement of the invention, the included angle between the tangential direction of the bottom of the concave curved surface and the horizontal plane is 0 degrees.
The beneficial effect of adopting above-mentioned technical scheme is: ensures that the final liquid drop is thrown out along the radial direction, and avoids contacting with the electric control plate.
As a further improvement of the invention, the height of the concave curved surface on the radial guide ring ranges from 4.5mm to 6.5mm, and on the same longitudinal section of the radial guide ring, the included angle of the top and the bottom of the concave curved surface in the respective tangential directions ranges from 100 degrees to 105 degrees.
The beneficial effect of adopting above-mentioned technical scheme is: the size and the angle are selected, so that the air flow efficiency is optimal, the air exhaust resistance is small, and the pneumatic efficiency is improved.
The radial guide ring is clamped and fixed with the stationary impeller, the contact surface of the radial guide ring and the stationary impeller comprises a first ring plane and a second ring plane which are not at the same height, the inner diameter of the first ring plane is equal to the outer diameter of the second ring plane, and the inner circumferential surface is vertically connected between the first ring plane and the second ring plane.
The beneficial effect of adopting above-mentioned technical scheme is: the clamping form of radial water conservancy diversion ring and stator vane is better, and the squeezing action of inner circumferential surface can guarantee being connected of water conservancy diversion ring and stator vane, and radial water conservancy diversion ring wind channel depth of assembly can be injectd to first ring plane, the second ring plane, and three mutually perpendicular's contact surface has improved the compactness of connecting.
As a further improvement of the invention, the outer ring of the rotor is coaxially provided with a stator, the outer ring of the stator is wrapped with a shell, the outer part of the electric control plate is also wrapped with a rear end cover, the opening part of the rear end cover is in butt joint sealing with the shell, the top of the shell is fixed with an inward-folded waterproof end cover, and the rotor is provided with a rotating shaft which penetrates through the waterproof end cover and is assembled with the impeller.
The beneficial effect of adopting above-mentioned technical scheme is: the casing, the rear end cover and the waterproof end cover integrally play a role in wrapping and protecting the periphery, the bottom and the top of the stator, the rotor and the electric control board in all aspects, and are waterproof and anti-collision. The assembly form of the shell and the rear end cover is convenient for the assembly and the maintenance of the electric control board.
As still further improvement of the invention, the top height of the radial guide ring is lower than that of the machine shell, and the bottom height of the radial guide ring is higher than that of the machine shell.
The beneficial effect of adopting above-mentioned technical scheme is: even if a little liquid drop splashes radially inwards, the radial flow guide ring splashes on the surface of the machine shell, not on the opening part of the machine shell, not on the joint of the machine shell and the rear end cover, so that the liquid drop is prevented from splashing inside the motor body, and the electric control board is prevented from being damped.
As a further improvement of the invention, the rotating shaft is sleeved with a disk-shaped cooling fan, the cooling fan is positioned below the stationary impeller and above the waterproof end cover, and the outer diameter of the cooling fan is larger than the inner diameter of the waterproof end cover.
The beneficial effect of adopting above-mentioned technical scheme is: the collocation form of the cooling fan and the waterproof end cover can prevent liquid drops from falling into the motor body, and the cooling fan also has the effect that the cooling of the iron core is effectively solved under the sealed structure.
As a further improvement of the invention, the upper surface of the stationary impeller is provided with an outer convex ring and an inner convex ring which are coaxial with the rotating shaft, the outer convex ring and the inner convex ring are raised upwards, and an annular groove is arranged between the outer convex ring and the inner convex ring.
The beneficial effect of adopting above-mentioned technical scheme is: in order to prevent liquid drops from penetrating through the rotating shaft to enter the rotor, the outer convex ring and the inner convex ring are provided with a multi-layer step structure which is nested inside and outside, and the sealing effect is greatly improved. Meanwhile, the local distance of the diameters of the movable impeller and the stationary impeller is increased, and the airflow power loss is reduced.
As a further improvement of the invention, the ratio of the height of the inner convex ring to the height of the outer convex ring is 0.35 to 0.45, the width of the annular groove is 2.0mm to 2.5mm, and the outer diameter of the outer convex ring is 21mm to 24 mm.
The beneficial effect of adopting above-mentioned technical scheme is: the size is selected to obtain better practical effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of one embodiment of the present invention.
FIG. 2 is a cross-sectional view of one embodiment of the present invention.
FIG. 3 is an enlarged view of a portion of one embodiment of the present invention at A.
Fig. 4 is an exploded view of one embodiment of the present invention.
Fig. 5 is a front view of a radial deflector ring according to an embodiment of the present invention.
FIG. 6 is a partial schematic view of an embodiment of the present invention.
Fig. 7 is a sectional view of a stator vane wheel according to an embodiment of the present invention.
FIG. 8 is a noise test report table according to an embodiment of the present invention.
FIG. 9 is a histogram of a noise test according to an embodiment of the present invention.
FIG. 10 is a performance test report table for one embodiment of the present invention.
1-a machine shell; 2-a stator; 3-a rotor; 4-waterproof end covers; 5-a stationary impeller; 6-moving impeller; 7-radial guide ring; 8-an electric control board; 9-rear end cap; 10-wind cover; 11-a heat dissipation fan; 12-a concave curved surface; 13-an external convex ring; 14-inner convex ring; 15-air outlet; 16-a first ring plane; 17-a second ring plane; 18-inner circumferential surface; h is1-an inner collar height; h is2-an outer collar height; h is3-a gap height; bL-an annular groove width; dmOuter diameter of the outer collar β3Angle of setting βaAngle of blade cut β4-camber angle of development.
Detailed Description
The present invention will be further described in detail with reference to the following specific examples:
in order to achieve the object of the present invention, a dry and wet dual-purpose brushless motor with axial guide vanes comprises: the impeller comprises a movable impeller 6 and a stationary impeller 7 which are coaxially and sequentially arranged up and down; the motor body is positioned below the impeller and connected with the impeller through the rotor 3, and the bottom of the motor body is provided with an electric control plate 8; the fan cover 10 covers the upper part of the impeller, and only the stationary impeller 5 is provided with a circle of air outlets 15 with downward openings; the radial guide ring 7 is fixed with the inner ring of the air outlet 15 on the stationary impeller 5, the upper surface of the radial guide ring 7 is provided with a concave curved surface 12 with the height decreasing along the radial outward direction of the motor body, and the vertical downward projections of the air outlet 15 all fall on the concave curved surface 12.
The beneficial effect of adopting above-mentioned technical scheme is: the utility model provides a take wet or dry high-speed brushless motor of quiet impeller of axial formula, for prevent that gaseous parcel from holding the liquid drop and flow into automatically controlled board on, the stator is waterproof key position also, prevents automatically controlled board short circuit, stops the possibility that stator core intake. The radial guide ring is additionally arranged to guide the gas flow of the radial guide ring to diffuse outwards, the concave curved surface can pocket all liquid drops, the original gas flow which is discharged in the axial direction is gradually changed into radial gas discharge, the splashing direction of the liquid drops is gradually changed, and the splashing direction of the liquid drops is not coincided with the direction of the electric control board, so that the liquid is effectively prevented from flowing to the circuit control board. The overall modification cost is low. Can be used under dry and wet working conditions, and is not easily influenced by liquid drops.
In other embodiments of the present invention, the tangent to the bottom of the concave curve 12 makes an angle of 0 ° with the horizontal plane.
The beneficial effect of adopting above-mentioned technical scheme is: ensures that the final liquid drop is thrown out along the radial direction, and avoids contacting with the electric control plate.
In other embodiments of the present invention, the height of the concave curved surface 12 on the radial deflector ring 7 ranges from 4.5mm to 6.5mm, and on the same longitudinal section of the radial deflector ring 7, the included angle between the top and bottom tangent directions of the concave curved surface 12 ranges from 100 ° to 105 °, i.e. the curve expansion angle β4Is 100 to 105 °
The beneficial effect of adopting above-mentioned technical scheme is: the selection of size and angle makes the gas flow loss minimum, and is less to the whole efficiency influence of motor, and aerodynamic efficiency improves.
In other embodiments of the present invention, the radial guide ring 7 is fixed to the stationary impeller 5 in a snap-fit manner, the contact surface between the radial guide ring 7 and the stationary impeller 5 includes two first ring planes 16 and a second ring plane 17 which are not at the same height, the inner diameter of the first ring plane 16 is equal to the outer diameter of the second ring plane 17, and an inner circumferential surface 18 is vertically connected between the first ring plane 16 and the second ring plane 17.
The beneficial effect of adopting above-mentioned technical scheme is: the clamping form of radial water conservancy diversion ring and stator vane is better, and the squeezing action of inner circumferential surface can guarantee being connected of water conservancy diversion ring and stator vane, and radial water conservancy diversion ring wind channel depth of assembly can be injectd to first ring plane, the second ring plane, and three mutually perpendicular's contact surface has improved the compactness of connecting.
In other embodiments of the present invention, the stator 2 is coaxially disposed on the outer ring of the rotor 3, the outer ring of the stator 2 wraps the casing 1, the outer portion of the electric control board 8 also wraps the rear end cover 9, the mouth of the rear end cover 9 is in butt joint with the casing 1, the top of the casing 1 is fixed with the adduction waterproof end cover 4, and the rotor 3 has a rotating shaft which passes through the waterproof end cover 4 and is assembled with the impeller.
The beneficial effect of adopting above-mentioned technical scheme is: the casing, the rear end cover and the waterproof end cover integrally play a role in wrapping and protecting the periphery, the bottom and the top of the stator, the rotor and the electric control board in all aspects, and are waterproof and anti-collision. The assembly form of the shell and the rear end cover is convenient for the assembly and the maintenance of the electric control board.
In other embodiments of the present invention, the top height of the radial guide ring 7 is lower than the top height of the casing 1, and the bottom height of the radial guide ring 7 is higher than the bottom height of the casing 1.
The beneficial effect of adopting above-mentioned technical scheme is: even if a little liquid drop splashes radially inwards, the radial flow guide ring splashes on the surface of the machine shell, not on the opening part of the machine shell, not on the joint of the machine shell and the rear end cover, so that the liquid drop is prevented from splashing inside the motor body, and the electric control board is prevented from being damped.
In other embodiments of the present invention, the rotating shaft is sleeved with a heat dissipating fan 11, the heat dissipating fan 11 is located below the stationary impeller 5 and above the waterproof end cover 4, and an outer diameter of the heat dissipating fan 11 is larger than an inner diameter of the waterproof end cover 4.
The beneficial effect of adopting above-mentioned technical scheme is: the matching form of the heat radiation fan and the waterproof end cover can prevent liquid drops from falling into the motor body. It also has the effect that the heat dissipation of the iron core is effectively solved under the sealed structure.
In other embodiments of the present invention, the upper surface of the stationary vane wheel 5 is provided with an outer convex ring 13 and an inner convex ring 14 which are coaxial with the rotating shaft, the outer convex ring 13 and the inner convex ring 14 are convex upward, and an annular groove is provided between the outer convex ring 13 and the inner convex ring 14.
The beneficial effect of adopting above-mentioned technical scheme is: in order to prevent liquid drops from penetrating through the rotating shaft to enter the rotor, the outer convex ring and the inner convex ring are provided with a multi-layer step structure which is nested inside and outside, and the sealing effect is greatly improved. Meanwhile, the local distance of the diameters of the movable impeller and the stationary impeller is increased, and the airflow power loss is reduced.
In other embodiments of the present invention, the ratio of the height of the inner and outer convex rings 14, 13 is in the range of 0.35 to 0.45, the width of the annular groove is in the range of 2.0mm to 2.5mm, and the outer diameter of the outer convex ring 13 is in the range of 21mm to 24 mm.
Height h of inner collar1Height h of outer convex ring2The gap height h between the bottom of the movable vane and the stationary vane3Width b of annular groove between two stepsLOuter diameter D of outer convex ringm. Wherein the height ratio h of the inner ring to the outer ring1/h20.35 to 0.45, bLIs 2mm to 2.5mm, DmFrom 21mm to 24 mm. The distance h between the bottom end cover of the movable impeller and the stationary impeller is ensured by adopting a multi-layer step waterproof structure3Increase, thereby the efficiency loss of the fan is calculated by simulation h3The friction loss of the heat radiation fan is smaller than that of the whole fan when the diameter is 2.6mm to 3 mm.
The beneficial effect of adopting above-mentioned technical scheme is: the size is selected to obtain better practical effect.
The axial stator vane used in the motor is based on acoustoelectric analysis and has low-noise aerodynamic performance. The noise of the single motor noise under the condition of simulating the optimal working condition flow of the whole dust collector is based on ISO-3741: 1999 international test standard, the acoustic power effect tested in its reverberation chamber is shown in fig. 8 and fig. 9.
As shown in FIG. 6, the vane inlet setting angle β of the stator vane wheel 53Inner diameter D of impeller3Impeller outer diameter D4Number of blades Z and included blade cutting angle βaIts blade inlet angle β3＝βm+α1，βmRepresentative of air flow angle βmIts included cutting angle βa10 to 15 °, outlet width h4Between 4mm and 6mm, where cr represents the impeller circumferential axial velocity, w represents the impeller relative velocity, α1The angle of attack is the empirical value of 5 ° to 8 ° for the chord line of the blade to the relative velocity w. D3＝D2+(10～16mm)。D2Refers to the moving impeller diameter. The method is characterized by comprising the following steps of (1) verifying through fluid simulation, an acoustic pneumatic noise test and an actual performance test: outlet area S of radial flow guide ring 7 at outlet of stationary impeller 54＝D4 ＊π＊h4Inlet area deltas with stator vane3＝S3(D3 2＊π/4)-S2(D2 2＊Pi/4) ratio: s4/ΔS31.1 to 1.6, and an outlet width h thereof4The included angle between the axial direction and the radial direction of the guide ring is β4Subjected to simulation analysis β4The gas flow efficiency is best when the temperature is 100-105 deg. And the axial liquid entering into the driving control board and the motor is prevented, so that a good effect is achieved.
As shown in FIG. 10, the performance data of the axial stator vane wheel of the motor is based on the international European standard (IEC-60312: 1998) by CAE theoretical calculation analysis as a reference. The absolute value of the tested performance data is about 52 percent, which is much higher than that of the like products.
The above-mentioned embodiments are merely illustrative of the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.

Claims (9)

1. The utility model provides a wet dual-purpose brushless motor futilely of tape spool formula stator which characterized in that includes:
the impeller comprises a movable impeller and a fixed impeller which are coaxial and arranged up and down in sequence;
the motor body is positioned below the impeller and connected with the impeller through the rotor, and the bottom of the motor body is provided with an electric control plate;
the fan cover covers the upper part of the impeller, and only the stationary impeller is provided with a circle of air outlet with a downward opening;
the radial guide ring is fixed with the inner ring of the air outlet on the stationary impeller, the upper surface of the radial guide ring is provided with a concave curved surface which is reduced in height along the radial outward direction of the motor body, and the vertical downward projection of the air outlet is all dropped on the concave curved surface.
2. The dry and wet brushless motor with axial vanes according to claim 1, wherein: the included angle between the tangential direction of the bottom of the concave curved surface and the horizontal plane is 0 degree.
3. The dry and wet brushless motor with axial vanes according to claim 2, wherein: the height range of the concave curved surface on the radial guide ring is 4.5mm to 6.5mm, and on the same longitudinal section of the radial guide ring, the included angle range of the tangent directions of the top and the bottom of the concave curved surface is 100 degrees to 105 degrees.
4. The dry and wet brushless motor with axial vanes according to claim 1, wherein: the radial guide ring is fixedly clamped with the stationary impeller, the contact surface of the radial guide ring and the stationary impeller comprises a first ring plane and a second ring plane which are not at the same height, the inner diameter of the first ring plane is equal to the outer diameter of the second ring plane, and an inner circumferential surface is vertically connected between the first ring plane and the second ring plane.
5. The dry and wet brushless motor with axial vanes according to claim 1, wherein: the coaxial stator that is equipped with of rotor outer lane, stator outer lane parcel has the casing, the outside of automatically controlled board has also wrapped up the rear end cap, the oral area and the casing butt joint of rear end cap are sealed, the top of casing is fixed with the waterproof end cover of adduction, the rotor possesses the pivot that passes waterproof end cover and assemble with the impeller.
6. The dry and wet brushless motor with axial vanes according to claim 5, wherein: the top height of the radial guide ring is lower than that of the casing, and the bottom height of the radial guide ring is higher than that of the casing.
7. The dry and wet brushless motor with axial vanes of claim 6, wherein: the rotating shaft is sleeved with a cooling fan, the cooling fan is located below the stationary impeller and above the waterproof end cover, and the outer diameter of the cooling fan is larger than the inner diameter of the waterproof end cover.
8. The dry and wet brushless motor with axial vanes of claim 7, wherein: the upper surface of the stationary impeller is provided with an outer convex ring and an inner convex ring which are coaxial with the rotating shaft, the outer convex ring and the inner convex ring are upwards convex, and an annular groove is formed between the outer convex ring and the inner convex ring.
9. The dry and wet brushless motor with axial vanes of claim 8, wherein: the ratio of the height of the inner convex ring to the height of the outer convex ring is 0.35-0.45, the width of the annular groove is 2.0-2.5 mm, and the outer diameter of the outer convex ring is 21-24 mm.
CN201911004195.6A 2019-10-22 2019-10-22 Dry-wet dual-purpose brushless motor with axial guide vanes Pending CN110768467A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911004195.6A CN110768467A (en) 2019-10-22 2019-10-22 Dry-wet dual-purpose brushless motor with axial guide vanes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911004195.6A CN110768467A (en) 2019-10-22 2019-10-22 Dry-wet dual-purpose brushless motor with axial guide vanes

Publications (1)

Publication Number Publication Date
CN110768467A true CN110768467A (en) 2020-02-07

Family

ID=69332543

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911004195.6A Pending CN110768467A (en) 2019-10-22 2019-10-22 Dry-wet dual-purpose brushless motor with axial guide vanes

Country Status (1)

Country Link
CN (1) CN110768467A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112737215A (en) * 2020-12-28 2021-04-30 苏州工业园区星德胜电机有限公司 Low-noise fan motor
WO2023237106A1 (en) * 2022-06-10 2023-12-14 莱克电气股份有限公司 Fully-sealed brushless motor for dry and wet applications, protective structure for motor, and installation method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112737215A (en) * 2020-12-28 2021-04-30 苏州工业园区星德胜电机有限公司 Low-noise fan motor
CN112737215B (en) * 2020-12-28 2022-11-01 星德胜科技(苏州)股份有限公司 Low-noise fan motor
WO2023237106A1 (en) * 2022-06-10 2023-12-14 莱克电气股份有限公司 Fully-sealed brushless motor for dry and wet applications, protective structure for motor, and installation method

Similar Documents

Publication Publication Date Title
CN101105188B (en) Suction cleaner blower
CN110768467A (en) Dry-wet dual-purpose brushless motor with axial guide vanes
CN113027791A (en) Electric fan and dust collector with same
CN211089356U (en) Dry-wet dual-purpose brushless motor with axial guide vanes
CN108736648A (en) Motor of dust collector component
CN209984154U (en) High-speed dust collector motor
CN208835935U (en) Motor of dust collector component
CN214850855U (en) Motor with heat dissipation structure
CN203398941U (en) Dust collector motor
CN210612005U (en) High-speed dust collector motor
CN214959048U (en) Brushless dry-wet dual-purpose motor with radial air outlet
CN114629281A (en) Motor integrated structure that heat-sinking capability is good
CN113074137B (en) Air supply device and dust collector
CN216819628U (en) High-speed motor with fan blade noise reduction structure
CN216714746U (en) Axial-flow type low-noise fan and cleaning equipment applying same
CN220728311U (en) Air duct system and desktop cigarette machine thereof
JP2007002769A (en) Electric blower and electric vacuum cleaner equipped with the same
CN2551793Y (en) Internal inserted centrifugal fan
CN113074127B (en) Air supply device and dust collector
CN214404043U (en) Fan subassembly and cleaning device
CN220276585U (en) Power mechanism for fog gun machine and fog gun machine
CN217692914U (en) Motor for high-efficient radiating low-speed fan
CN216767855U (en) Impeller, centrifugal fan comprising impeller and household appliance comprising centrifugal fan
CN220452286U (en) Fan blade and fan
WO2023231518A1 (en) Fan and floor scrubber

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information
CB02 Change of applicant information

Address after: 215000 No. 15, linbu street, Weiting street, Suzhou Industrial Park, Suzhou City, Jiangsu Province

Applicant after: Xingdesheng Technology (Suzhou) Co., Ltd

Address before: 15 linbu street, Weiting street, Suzhou Industrial Park, Jiangsu Province, 215000

Applicant before: Suzhou Industrial Park xingdesheng Motor Co., Ltd