CN111416475A - Outer rotor brushless motor for range hood - Google Patents

Outer rotor brushless motor for range hood Download PDF

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Publication number
CN111416475A
CN111416475A CN202010424594.4A CN202010424594A CN111416475A CN 111416475 A CN111416475 A CN 111416475A CN 202010424594 A CN202010424594 A CN 202010424594A CN 111416475 A CN111416475 A CN 111416475A
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CN
China
Prior art keywords
stator
motor
rotor
end cover
rotating
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Granted
Application number
CN202010424594.4A
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Chinese (zh)
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CN111416475B (en
Inventor
金春锋
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.)
Shaoxing Kai Sen Kitchen Co ltd
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Shaoxing Kai Sen Kitchen Co ltd
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Priority to CN202010424594.4A priority Critical patent/CN111416475B/en
Publication of CN111416475A publication Critical patent/CN111416475A/en
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Publication of CN111416475B publication Critical patent/CN111416475B/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention discloses an outer rotor brushless motor for a range hood, which comprises a motor shell, a stator component fixedly arranged in the center of the motor shell, and a rotor component which takes the stator component as a rotation center and is rotatably arranged in the motor shell; a rotating mechanism for converting electric energy into mechanical energy is installed on one side of the rotor assembly, and a ventilation mechanism for pumping fresh air is arranged on one side, opposite to the rotating mechanism, in the motor shell; this motor realizes driving the gear rotation at rotor during operation through set up ring gear and gear on the rotating member of installation rotor, and the direction of the relative output shaft in position of gear, produces the air current when gear revolve, will insert motor housing by the new trend of hose intercommunication in, produces the new trend air current of antagonism oil pressure entering motor housing, prevents that the oil smoke from being infected with rotor subassembly and the stator module that soaks in the motor and causing the damage.

Description

Outer rotor brushless motor for range hood
Technical Field
The invention belongs to the technical field of electromechanics, and particularly relates to an outer rotor brushless motor for a range hood.
Background
The kitchen ventilator is also called as a range hood, and is a kitchen appliance for purifying the kitchen environment. The kitchen ventilator is arranged above a kitchen stove, can rapidly pump away waste burnt by the stove and oil smoke harmful to human bodies generated in the cooking process, and exhaust the oil smoke out of a room, and simultaneously condenses and collects the oil smoke, thereby reducing pollution, purifying air and having the safety guarantee effects of gas defense and explosion prevention.
The range hood needs to be cleaned regularly, oil stains are not removed in the process of simple cleaning, and the range hood needs to be cleaned by using a special cleaning agent.
However, after the motor in the existing range hood is used for a long time, due to the immersion of oil smoke, electronic devices in the motor, particularly a stator winding and a rotor winding, are easy to damage, and the service life of the range hood is short.
Disclosure of Invention
Based on the defects in the prior art mentioned in the background art, the invention provides the outer rotor brushless motor for the range hood.
The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:
an outer rotor brushless motor for a range hood comprises a motor shell, a stator assembly fixedly arranged in the center of the motor shell, and a rotor assembly which takes the stator assembly as a rotation center and is rotatably arranged in the motor shell;
wherein, one side of rotor subassembly is installed and is used for turning into mechanical energy with the electric energy rotary mechanism, just in the motor housing relative one side of rotary mechanism is provided with the mechanism of taking a breath that is used for with the new trend pump income.
As a further scheme of the invention: an upper end cover is fixed at one end of the motor shell through the circumference of a bolt, a lower end cover used for sealing the motor shell is fixedly arranged at the other end of the motor shell, a flange opening is formed in the upper end cover, and the rotating mechanism is installed on one side close to the upper end cover.
As a still further scheme of the invention: the stator assembly comprises a stator fixing shaft fixed between the axes of the upper end cover and the lower end cover, a stator mounting piece fixedly mounted on the stator fixing shaft, and stator windings arranged on the stator mounting piece at equal intervals on the circumference;
the stator mounting piece is in a roller shape, the circumference of the stator winding is attached to the stator mounting piece, and the stator mounting piece is connected with a power supply through a wire.
As a still further scheme of the invention: the rotor assembly comprises two rotating pieces rotatably arranged on the stator fixing shaft, a rotor mounting piece fixed between the two rotating pieces at equal intervals in the circumference, and a rotor winding fixed on the rotor mounting piece and used for being matched with the stator winding;
the two rotating pieces are respectively arranged on two sides of the stator fixing shaft;
specifically, a sleeve seat sleeved with the stator fixing shaft is fixed at the center of the rotating piece.
As a still further scheme of the invention: the rotating mechanism comprises a connecting shaft fixed on a rotating piece close to one side of the upper end cover, an output piece fixedly connected with the connecting shaft, and an output shaft arranged in the center of the output piece.
As a still further scheme of the invention: the connecting shafts penetrate through the flange openings, and the number of the connecting shafts comprises one or at least two;
when the number of the connecting shafts is one, the connecting shafts are arranged in the center of the rotating piece; when the number of the connecting shafts is at least two, the connecting shafts are arranged on the outer edge of the rotating piece at equal intervals on the circumference.
As a still further scheme of the invention: the air exchange mechanism comprises an inner gear ring fixed on a rotating piece close to one side of the lower end cover, a gear which is rotatably arranged on the lower end cover and is meshed with the inner gear ring, and a fan which is coaxially and fixedly arranged with the gear.
As a still further scheme of the invention: a plurality of air holes are uniformly formed in the rotating piece, and the tail end of the lower end cover is communicated with and fixed with a hose for connecting fresh air.
After adopting the structure, compared with the prior art, the invention has the following advantages: this motor realizes driving the gear rotation at rotor during operation through set up ring gear and gear on the rotating member of installation rotor, and the direction of the relative output shaft in position of gear, produces the air current when gear revolve, will insert motor housing by the new trend of hose intercommunication in, produces the new trend air current of antagonism oil pressure entering motor housing, prevents that the oil smoke from being infected with rotor subassembly and the stator module that soaks in the motor and causing the damage.
Drawings
Fig. 1 is a schematic structural diagram of an outer rotor brushless motor for a range hood;
FIG. 2 is a right side view of an inner gear ring and gears in an outer rotor brushless motor for a range hood;
fig. 3 is a schematic structural view of a rotary member and a rotor mounting member in an outer rotor brushless motor for a hood.
In the figure: 1-a motor housing; 2-upper end cover; 3-lower end cover; 4-a stator fixing shaft; 5-sleeve seat; 6-a rotating member; 7-a rotor mount; 8-rotor winding; 9-a stator mount; 10-a stator winding; 11-a connecting shaft; 12-flange mouth; 13-an output; 14-an output shaft; 15-inner gear ring; 16-gear; 17-a fan; 18-a hose; 19-wind hole.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 3, in an embodiment of the present invention, an outer rotor brushless motor for a range hood includes a motor housing 1, a stator assembly fixedly installed at the center of the motor housing 1, and a rotor assembly rotatably installed in the motor housing 1 with the stator assembly as a rotation center;
wherein, one side of rotor subassembly is installed and is used for turning into mechanical energy with the electric energy rotary mechanism, just is in motor housing 1 relative one side of rotary mechanism is provided with the mechanism of taking a breath that is used for the new trend pump income, does benefit to the oil smoke that will get into in motor housing 1 through the setting of mechanism of taking a breath and discharges, prevents that the long-time gathering of oil smoke from causing the part immersion oil in the motor to produce the trouble in motor housing 1.
In one embodiment of the invention, an upper end cover 2 is circumferentially fixed at one end of the motor housing 1 through bolts, a lower end cover 3 for closing the motor housing 1 is fixedly arranged at the other end of the motor housing 1, a flange opening 12 is arranged on the upper end cover 2, and the rotating mechanism is arranged at one side close to the upper end cover 2;
one side of the motor shell 1 can be sealed through the arrangement of the upper end cover 2 and the lower end cover 3, and the other side is opened and arranged for outputting mechanical energy.
In another embodiment of the present invention, the stator assembly includes a stator fixing shaft 4 fixed between the axes of the upper end cover 2 and the lower end cover 3, a stator mounting member 9 fixedly mounted on the stator fixing shaft 4, and stator windings 10 circumferentially equidistantly arranged on the stator mounting member 9;
the stator mounting part 9 is in a roller shape, the stator winding 10 is circumferentially attached to the stator mounting part 9, and the stator mounting part 9 is connected with a power supply through a conducting wire;
when the power is switched on, the stator mounting part 9 supplies power to the stator winding 10 to generate a magnetic field, so that the rotor assembly is driven to rotate around the stator assembly.
In a further embodiment of the invention, the rotor assembly comprises two rotary members 6 rotatably disposed on the stator stationary shaft 4, a rotor mounting member 7 circumferentially fixed between the two rotary members 6 at equal intervals, and a rotor winding 8 fixed on the rotor mounting member 7 for cooperating with the stator winding 10;
wherein, the two rotating pieces 6 are respectively arranged at two sides of the stator fixing shaft 4;
specifically, a sleeve seat 5 which is sleeved with the stator fixed shaft 4 is fixed at the center of the rotating piece 6;
the rotating piece 6 can rotate around the stator fixing shaft 4 through the arrangement of the sleeve seat 5, so that the rotor assembly rotates, and after the stator winding 10 is electrified to generate a magnetic field, the rotor winding 8 in the rotor assembly drives the rotor mounting piece 7 and the rotating piece 6 to rotate around the stator fixing shaft 4 under the action of the sleeve seat 5.
In still another embodiment of the present invention, the rotating mechanism includes a connecting shaft 11 fixed to the rotating member 6 near one side of the upper end cap 2, an output member 13 fixedly connected to the connecting shaft 11, and an output shaft 14 installed at the center of the output member 13;
when the rotating member 6 rotates, the output shaft 13 and the output shaft 14 are driven to rotate through the connecting shaft 11, so that the purpose of converting electric energy into mechanical energy is achieved.
In another embodiment of the present invention, the connecting shaft 11 passes through the flange opening 12, and the number of the connecting shafts 11 includes one or at least two;
when the number of the connecting shafts 11 is one, the connecting shafts 11 are arranged in the center of the rotating member 6; when the number of the connecting shafts 11 is at least two, the connecting shafts 11 are circumferentially and equidistantly arranged on the outer edge of the rotating piece 6;
it should be noted that, when the connecting shaft 11 is one, the rotational torque that can be borne by the connecting shaft is limited, and the power that needs to be consumed at that time is also small, so that the load of the whole rotating mechanism is reduced, and the power can be saved;
when the number of the connecting shafts 11 is at least two, the integral bearing capacity can be increased, and the high-power load operation can be supported
In another embodiment of the present invention, the ventilation mechanism comprises an inner gear ring 15 fixed on the rotating member 6 near one side of the lower end cover 3, a gear 16 rotatably arranged on the lower end cover 3 and engaged with the inner gear ring 15, and a fan 17 coaxially and fixedly arranged with the gear 16;
when the rotating member 6 rotates, the inner gear ring 15 is driven to rotate along with the rotating member, the inner gear ring 15 drives the gear 16 to rotate, and further the fan 17 is driven to rotate to blow air, so that oil smoke is prevented from entering the motor shell 1 through the flange opening 12 and causing interference damage to the stator winding and/or the rotor winding.
In another embodiment of the present invention, a plurality of air holes 19 are uniformly formed on the rotating member 6, and a hose 18 for connecting fresh air is connected and fixed to the tail end of the lower end cover 3;
the fan 17 generates negative pressure during operation, and at the moment, the hose 18 is communicated with fresh air so as to blow out the fresh air from the air hole 19 through the fan 17, so that the fresh air is generated to resist the oil smoke entering from the flange opening 12.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Claims (8)

1. An outer rotor brushless motor for a range hood comprises a motor shell (1), a stator assembly fixedly installed in the center of the motor shell (1), and a rotor assembly rotatably installed in the motor shell (1) by taking the stator assembly as a rotation center;
the novel wind power generator is characterized in that a rotating mechanism used for converting electric energy into mechanical energy is installed on one side of the rotor assembly, and a ventilation mechanism used for pumping fresh air is arranged on one side, opposite to the rotating mechanism, in the motor shell (1).
2. The outer rotor brushless motor for the range hood according to claim 1, wherein an upper end cover (2) is circumferentially fixed at one end of the motor housing (1) through bolts, a lower end cover (3) for sealing the motor housing (1) is fixedly arranged at the other end of the motor housing (1), a flange opening (12) is formed in the upper end cover (2), and the rotating mechanism is installed at one side close to the upper end cover (2).
3. The external rotor brushless motor for the range hood according to claim 2, wherein the stator assembly comprises a stator fixing shaft (4) fixed between the axes of the upper end cover (2) and the lower end cover (3), a stator mounting member (9) fixedly mounted on the stator fixing shaft (4), and stator windings (10) circumferentially arranged at equal intervals on the stator mounting member (9);
the stator mounting piece (9) is in a roller shape, the stator winding (10) is circumferentially attached to the stator mounting piece (9), and the stator mounting piece (9) is connected with a power supply through a wire.
4. An external rotor brushless motor for range hoods according to claim 3, characterized in that the rotor assembly comprises two rotating members (6) rotatably arranged on the stator fixed shaft (4), a rotor mounting member (7) circumferentially fixed at equal intervals between the two rotating members (6), and a rotor winding (8) fixed on the rotor mounting member (7) for cooperating with the stator winding (10);
the two rotating pieces (6) are respectively arranged on two sides of the stator fixing shaft (4);
a sleeve seat (5) sleeved with the stator fixing shaft (4) is fixed in the center of the rotating piece (6).
5. The external rotor brushless motor for the range hood according to claim 4, wherein the rotating mechanism comprises a connecting shaft (11) fixed on a rotating member (6) near one side of the upper end cover (2), an output member (13) fixedly connected with the connecting shaft (11), and an output shaft (14) installed in the center of the output member (13).
6. The external rotor brushless motor for the range hood according to claim 5, wherein the connecting shafts (11) penetrate through the flange openings (12), and the number of the connecting shafts (11) comprises one or at least two;
when the number of the connecting shafts (11) is one, the connecting shafts (11) are arranged in the center of the rotating piece (6); when the number of the connecting shafts (11) is at least two, the connecting shafts (11) are circumferentially and equidistantly arranged on the outer edge of the rotating piece (6).
7. The external rotor brushless motor for the range hood according to claim 4, wherein the ventilation mechanism comprises an inner gear ring (15) fixed on the rotating member (6) on the side close to the lower end cover (3), a gear (16) rotatably arranged on the lower end cover (3) and meshed with the inner gear ring (15), and a fan (17) coaxially and fixedly arranged with the gear (16).
8. The external rotor brushless motor for the range hood according to claim 7, wherein a plurality of air holes (19) are uniformly formed in the rotating member (6), and a hose (18) for connecting fresh air is communicated and fixed at the tail end of the lower end cover (3).
CN202010424594.4A 2020-05-19 2020-05-19 Outer rotor brushless motor for range hood Active CN111416475B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010424594.4A CN111416475B (en) 2020-05-19 2020-05-19 Outer rotor brushless motor for range hood

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010424594.4A CN111416475B (en) 2020-05-19 2020-05-19 Outer rotor brushless motor for range hood

Publications (2)

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CN111416475A true CN111416475A (en) 2020-07-14
CN111416475B CN111416475B (en) 2022-05-20

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Application Number Title Priority Date Filing Date
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CN (1) CN111416475B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204046324U (en) * 2014-08-15 2014-12-24 浙江格美机电科技有限公司 The centrifugal ventilating system of brute force of food oil circulatory system motor special
CN204140468U (en) * 2014-10-16 2015-02-04 台州德丰机电有限公司 The pipeline fan of the two-way extension of a kind of main shaft
CN107796033A (en) * 2017-11-27 2018-03-13 佛山市云米电器科技有限公司 A kind of smoke exhaust ventilator for preventing blower interior from polluting

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204046324U (en) * 2014-08-15 2014-12-24 浙江格美机电科技有限公司 The centrifugal ventilating system of brute force of food oil circulatory system motor special
CN204140468U (en) * 2014-10-16 2015-02-04 台州德丰机电有限公司 The pipeline fan of the two-way extension of a kind of main shaft
CN107796033A (en) * 2017-11-27 2018-03-13 佛山市云米电器科技有限公司 A kind of smoke exhaust ventilator for preventing blower interior from polluting

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