CN116163975A - Brushless blower - Google Patents
Brushless blower Download PDFInfo
- Publication number
- CN116163975A CN116163975A CN202310459593.7A CN202310459593A CN116163975A CN 116163975 A CN116163975 A CN 116163975A CN 202310459593 A CN202310459593 A CN 202310459593A CN 116163975 A CN116163975 A CN 116163975A
- Authority
- CN
- China
- Prior art keywords
- brushless
- blower
- frame
- brushless motor
- stator
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0693—Details or arrangements of the wiring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
- F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/187—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to inner stators
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- 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
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/325—Windings characterised by the shape, form or construction of the insulation for windings on salient poles, such as claw-shaped poles
-
- 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
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a brushless blower, which belongs to the technical field of blowers and comprises a frame part and a brushless motor arranged on the frame part; the flange part is internally hollow to form an accommodating section for accommodating the frame part and the brushless motor, the frame part is installed on the flange part through a connecting bracket, and a flexible connecting piece is arranged at the connecting position of the connecting bracket and the flange part. The installation of brushless motor is realized through the frame part, and the equipment of frame part and flange part is realized through the connection support body on the frame part simultaneously to set up flexible connection piece in the hookup location of frame part and flange part, in order to realize the flexible installation of stator part, can reduce the produced noise of air-blower when the operation.
Description
Technical Field
The invention belongs to the technical field of blowers, and particularly relates to a brushless blower.
Background
The blower mainly comprises a motor, an air filter, a blower body, an air chamber, a base (also used as an oil tank) and an oil drip nozzle. The vane type can be divided into axial flow type, centrifugal type and mixed flow type according to the different working principles of the fan. The centrifugal blower sucks external air into the center of the rotating impeller mainly by the action of centrifugal force, when the air leaves the impeller blades, the air flow speed is increased, so that the air converts kinetic energy into static pressure energy in the flowing process, and then the static pressure energy is converted into speed energy along with the pressurization of fluid, so that the conveyed air is sent into a pipeline or a container.
When the existing blower is used, the motor is fixed in a hard mode, so that the noise of the blower is large during operation; and traditional magnetizer also can lead to the motor to generate heat higher when the during operation, efficiency decline.
Disclosure of Invention
The invention aims to provide a brushless blower to solve the problems of the prior art in the use process.
In order to achieve the above purpose, the present invention provides the following technical solutions: a brushless blower, comprising;
a frame member and a brushless motor mounted on the frame member;
the flange part is hollow and is provided with an accommodating section for accommodating the frame part and the brushless motor, the frame part is arranged on the flange part through a connecting bracket, and a flexible connecting piece is arranged at the connecting position of the connecting bracket and the flange part;
and the impeller component is fixedly connected to the output end of the brushless motor and rotates under the driving of the brushless motor.
Preferably, the brushless motor includes a stator member, an outer rotor member, and an armature shaft.
Preferably, the stator part comprises a base part formed in a ring shape, the frame part comprises a protruding part which can be inserted into the inner space of the base part, and the connection between the brushless motor and the frame part is realized through the fixed connection of the base part and the protruding part.
Preferably, the outer rotor member includes an outer hub disposed about the stator member and an inner hub connecting the outer hub to the armature shaft.
Preferably, the impeller member includes a main body portion disposed about an extension section in the armature shaft and a connection portion connecting the main body portion with the armature shaft.
Preferably, the connecting portion includes a first portion extending inwardly along an upper edge of the main body portion and a second portion extending obliquely downwardly along an inner edge of the first portion.
Preferably, the impeller member further comprises a plurality of auxiliary blades circumferentially spaced on the main body portion.
Preferably, the blower further comprises a controller mounted on the frame member.
Preferably, the flange part is provided with a cold air suction inlet communicated with the accommodating section.
The stator component comprises a magnetizer and a winding, wherein the magnetizer comprises a base part positioned at a central position and a tooth part extending outwards from the base part, and the winding comprises a plurality of coils wound on the tooth part; the base and the teeth are integrally formed.
Preferably, the material of the base and the teeth is a ferrimagnetic oxide.
Compared with the prior art, the invention has the beneficial effects that:
the traditional magnetizer is split, is stamped by a silicon steel sheet, and can be wound by a coil only by arranging an insulating part, so that iron loss is generated in an alternating magnetic field of the motor to cause heating of the motor, and the efficiency is reduced; the applicant found that the base and teeth were produced by integral formation of a ferrimagnetic oxide material with a utilization ratio higher than 80%, far higher than that of a magnetizer produced by stamping a silicon steel plate (utilization ratio less than 35%); in addition, an insulating layer is not required to be arranged between the coil and the magnetizer, so that the winding thickness of the coil can be increased under the condition that the specifications of the magnetizer are not changed, meanwhile, the winding interval with the thickness larger than the winding thickness of the coil is formed at the pole shoe of the tooth part of the stator, the coil is enveloped through the main body part, and the utilization rate of the magnetic field of the end face of the coil is increased; overcomes the iron loss defect caused by the stamping production of the silicon steel plate by the traditional magnetizer;
the flange part and the brushless motor are independently designed, the brushless motor is installed through the frame part, meanwhile, the frame part and the flange part are assembled through the connecting frame body on the frame part, and a flexible connecting piece is arranged at the connecting position of the frame part and the flange part and is mutually cooperated with a stator part, a rotor part and the like containing an integrated magnetizer, so that the working frequency of the motor can still keep better working efficiency and lower heating when the working frequency is more than 0.5 kHz; the defect that the permeability of the traditional motor is greatly attenuated under a high-frequency magnetic field is overcome; simultaneously can reduce the noise that the air-blower produced when the operation to improve the vibration conduction that the air-blower operation produced greatly and on the air conditioning box, with the air conditioning box take place after resonance lead to the NVH bad in the air conditioning operation process, then promote the driving experience of driver.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of a frame member of the present invention;
FIG. 3 is a schematic view of the stator assembly of the present invention;
FIG. 4 is a schematic view of a brushless motor according to the present invention;
fig. 5 is a schematic view of a stator component structure.
In the figure: 100. a brushless motor; 101. a stator component; 101a, a base; 101b, teeth; 101c, a main body; 101d, a connection part; 102. an outer rotor member; 102a, an outer hub; 102b, an inner hub; 103. an armature shaft; 103a, an extension section; 200. an impeller member; 200a, a main body part; 200b, a connecting part; 201. auxiliary blades; 300. a frame member; 300a, a bottom surface portion; 300b, a projection; 400. a controller; 401. a docking insert; 500. a flange member; 500a, a cold air suction inlet; 501. a connecting bracket; 502. a flexible connection.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 4, a brushless blower (hereinafter referred to as a blower) is constructed by a brushless motor 100, an impeller member 200 driven by the brushless motor 100, and a frame member 300, wherein the brushless motor 100 is integrally mounted to the frame member 300, the frame member 300 is used as a mounting carrier to perform the mounting operation of the brushless motor 100, and specifically, the brushless motor 100 includes a stator member 101, an outer rotor member 102, and an armature shaft 103, the stator member 101 includes a base portion 101a having a ring shape and a plurality of teeth portions 101b circumferentially spaced apart from each other and provided on the outer periphery of the base portion 101a, each of the teeth portions 101b is wound with a coil winding, the armature shaft 103 extends along an axis a of the stator member 101, and a portion of the armature shaft 103 extending to the outside of the stator member 101 is referred to as an extension section 103a, the outer rotor member 102 is composed of an outer hub 102a and an inner hub 102b, the outer hub 102a is a ring-shaped portion provided on the outer periphery of the stator member 101, and the outer hub 102b is rotatable about the axis a, and the upper edge of the ring-shaped portion extends inward to the outer surface of the armature shaft 103, so as to realize the connection between the ring-shaped portion and the armature shaft 103 and the outer rotor 102 along the axis a.
Referring to fig. 1, the impeller member 200 includes a main body 200a and a connecting portion 200b, wherein the main body 200a is an annular member disposed along an axis a, and the main body 200a is integrally located at the periphery of the extension 103a in the armature shaft 103, that is, the extension 103a in the armature shaft 103 is integrally located in an inner space surrounded by the main body 200a of the impeller member 200, and the connecting portion 200b is used to connect the armature shaft 103 and the main body 200a, and specifically, the connecting portion 200b includes a first portion extending inward from an upper edge of the main body 200a and a second portion extending obliquely inward from an inner edge of the first portion, so as to form a connecting portion 200b having a shape similar to a truncated cone, and the connecting portion 200b having the shape is capable of improving the connection strength between the main body 200a and the connecting portion 200b in the impeller member 200.
Further, the impeller member 200 further includes a plurality of auxiliary blades 201 circumferentially spaced apart from each other on the main body 200a, and the single auxiliary blade 201 is substantially an arcuate sheet and extends along the axial direction of the main body 200a, and by providing the auxiliary blades 201, the heat dissipation effect of the blower can be improved, and the service life of the blower can be prolonged.
Referring to fig. 2, the frame member 300 includes a bottom surface portion 300a and a protrusion 300b, wherein the protrusion 300b is insertable into an inner space of the base portion 101a of the stator member 101, and the protrusion 300b is fixedly installed on an inner surface of the base portion 101a of the stator member 101 while the armature shaft 103 is provided with a bearing, an outer end surface of which is installed on the frame member 300, through which assembly between the armature shaft 103, the frame member 300 and the stator member 101 is accomplished.
Further, the blower further includes a controller 400 mounted on the bottom surface 300a of the frame member 300, preferably, the controller 400 is a plate-shaped member, and a docking connector 401 is provided on the controller 400 to connect with an external electric appliance.
Further, the blower further includes a flange member 500, an installation space for accommodating the brushless motor 100 is formed in the flange member 500, a cold air suction port 500a is provided on the flange member 500, so that external cold air is introduced into the hollow space through the cold air suction port 500a, thereby cooling the main structure of the internal brushless motor 100, and an opening for the docking connector 401 to pass through is provided on the flange member 500, and the flange member 500 is further connected with the main structure of the brushless motor 100 through the frame member 300, and in particular, a plurality of connecting brackets 501 are provided on the frame member 300, so as to realize connection with the flange member 500, preferably, a flexible connecting member 502 is provided at a contact position between the flange member 500 and the frame member 300, the flexible connecting member 502 includes buffer rubber, and noise generated when the blower operates is reduced by setting the buffer rubber between the flange member and the brackets 501.
Further, the tooth portion 101b of the stator component 101 includes a connecting portion 101d and a main body portion 101c, wherein the main body portion 101c is a substantially arc-shaped sheet block, a plurality of circumferentially arranged main body portions 101c form a virtual annular body surrounding the base portion 101a at the periphery of the base portion 101a, and the height of the main body portion 101c is substantially the same as the height of the base portion 101a, so as to form an annular section between the main body portion 101c and the base portion 101 a; the connecting portion 101d extends outwards along the radial direction of the base portion 101a, so as to realize connection between the base portion 101a and the main body portion 101c, and the coil winding is wound on the connecting portion 101d, further, the base portion 101a, the connecting portion 101d and the main body portion 101c are integrally formed, the stator component 101 is made of insulating materials, the coil winding can be directly wound on the connecting portion 101d at the moment, no insulating layer is needed to be arranged at the contact positions of the coil, the base portion 101a and the tooth portion 101b, and the winding space of the coil winding can be enlarged under the condition that the overall specification of the stator component 101 is not changed, so that the power-volume ratio of a product is improved.
The air blower is applied to a new energy automobile, and rated voltage is 12V or 24V.
Preferably, the material constituting the base portion 101a and the tooth portion 101b of the stator part 101 is a ferrimagnetic oxide material which is commercially available, for example, tiantong TDG corporation, japan TDK, etc., and the manufacturer is not limited. The integrated magnetizer can be prepared by a third party company (such as Jiangsu eagle ball group Co., ltd.) or can be processed and formed by a die.
The ferrimagnetic oxide is preferably Mn-Zn ferrite; the ferrimagnetic oxide may be purchased or self-made by a purchasing manufacturer such as Tiantong TDG corporation, japan TDK, jiangsu hawk ball group limited, etc., and the purchasing manufacturer is not limited. Specifically, the ferrimagnetic oxide is YMH12 type purchased by Jiangsu eagle ball group Co., ltd, the initial magnetic permeability is 12000+25%, the relative loss factor is less than or equal to 8 (10 kHz), and the resistivity is 0.15 Ω & m.
The ferrimagnetic oxide can also be YMH15 type purchased by Jiangsu eagle ball group Co., ltd, the initial magnetic conductivity is 15000+25%, the relative loss factor is less than or equal to 7 (10 kHz), and the resistivity is 0.15 Ω & m. The ferrimagnetic oxide is YMH10 type purchased by Jiangsu eagle ball group Co., ltd, the initial magnetic conductivity is 10000+20%, the relative loss factor is less than or equal to 7 (10 kHz), and the resistivity is 0.15 Ω & m. By selecting a ferrimagnetic oxide with certain parameters, and the contact positions of the integrated magnetizer between the coil and the base part as well as between the integrated magnetizer and the tooth part do not need to be provided with an insulating layer, the winding space of the coil winding is enlarged under the condition that the integral specification of the stator part is not changed; the air conditioner is cooperated with each part of the air blower, so that the heating value of the air blower is reduced, the working efficiency of the air blower is improved, and the noise generated by the air blower during operation can be reduced.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A brushless blower, characterized by: comprising the following steps:
a frame member and a brushless motor mounted on the frame member;
the flange part is hollow and is provided with an accommodating section for accommodating the frame part and the brushless motor, the frame part is arranged on the flange part through a connecting bracket, and a flexible connecting piece is arranged at the connecting position of the connecting bracket and the flange part;
and the impeller component is fixedly connected to the output end of the brushless motor and rotates under the driving of the brushless motor.
2. A brushless blower as claimed in claim 1, wherein: the brushless motor includes a stator member, an outer rotor member, and an armature shaft.
3. A brushless blower as claimed in claim 2, wherein: the stator part comprises a base part which is annular, the frame part comprises a protruding part which can be inserted into the inner space of the base part, and the connection of the brushless and the frame part is realized through the fixed connection of the base part and the protruding part.
4. A brushless blower as claimed in claim 2, wherein: the outer rotor member includes an outer hub disposed about the stator member and an inner hub connecting the outer hub to the armature shaft.
5. A brushless blower as claimed in claim 2, wherein: the impeller member includes a body portion disposed about an extension section in the armature shaft and a connection portion connecting the body portion with the armature shaft.
6. A brushless blower as claimed in claim 5, wherein: the connecting portion includes a first portion extending inwardly along an upper edge of the body portion and a second portion extending obliquely downwardly along an inner edge of the first portion.
7. A brushless blower as claimed in claim 5, wherein: the impeller member further includes a plurality of auxiliary blades circumferentially spaced apart on the body portion.
8. A brushless blower as claimed in claim 1, wherein: the blower also includes a controller mounted on the frame member.
9. A brushless blower as claimed in claim 1, wherein: and the flange part is provided with a cold air suction inlet communicated with the accommodating section.
10. A brushless blower as claimed in claim 1, wherein: the stator component includes an integral magnetizer and windings.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310459593.7A CN116163975A (en) | 2023-04-26 | 2023-04-26 | Brushless blower |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202310459593.7A CN116163975A (en) | 2023-04-26 | 2023-04-26 | Brushless blower |
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CN116163975A true CN116163975A (en) | 2023-05-26 |
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ID=86420449
Family Applications (1)
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CN202310459593.7A Pending CN116163975A (en) | 2023-04-26 | 2023-04-26 | Brushless blower |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101867237A (en) * | 2009-04-15 | 2010-10-20 | 建准电机工业股份有限公司 | Stator iron core |
CN202260678U (en) * | 2011-09-29 | 2012-05-30 | 横店集团东磁股份有限公司 | Soft magnetic ferrite magnetic core used as stator core of motor |
CN109038880A (en) * | 2018-08-20 | 2018-12-18 | 重庆力华自动化技术有限责任公司 | A kind of poly- magnetic-synchro motor of efficient ferrite |
CN209000708U (en) * | 2018-09-06 | 2019-06-18 | 弘邺科技有限公司 | The inductance element of the molding coil-conductor of conduction material |
CN209608524U (en) * | 2019-04-18 | 2019-11-08 | 宁勤顺 | A kind of ferrite high frequency material makees the DC brushless motor of stator |
CN111456954A (en) * | 2020-04-09 | 2020-07-28 | 苏州双航机电有限公司 | Novel brushless electric fan heater |
CN216649334U (en) * | 2021-09-24 | 2022-05-31 | 上海禹沐智能科技有限公司 | Flat brushless motor and air-blower |
CN217080825U (en) * | 2021-12-22 | 2022-07-29 | 上海马陆日用友捷汽车电气有限公司 | Air blower of air conditioner for vehicle |
-
2023
- 2023-04-26 CN CN202310459593.7A patent/CN116163975A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101867237A (en) * | 2009-04-15 | 2010-10-20 | 建准电机工业股份有限公司 | Stator iron core |
CN202260678U (en) * | 2011-09-29 | 2012-05-30 | 横店集团东磁股份有限公司 | Soft magnetic ferrite magnetic core used as stator core of motor |
CN109038880A (en) * | 2018-08-20 | 2018-12-18 | 重庆力华自动化技术有限责任公司 | A kind of poly- magnetic-synchro motor of efficient ferrite |
CN209000708U (en) * | 2018-09-06 | 2019-06-18 | 弘邺科技有限公司 | The inductance element of the molding coil-conductor of conduction material |
CN209608524U (en) * | 2019-04-18 | 2019-11-08 | 宁勤顺 | A kind of ferrite high frequency material makees the DC brushless motor of stator |
CN111456954A (en) * | 2020-04-09 | 2020-07-28 | 苏州双航机电有限公司 | Novel brushless electric fan heater |
CN216649334U (en) * | 2021-09-24 | 2022-05-31 | 上海禹沐智能科技有限公司 | Flat brushless motor and air-blower |
CN217080825U (en) * | 2021-12-22 | 2022-07-29 | 上海马陆日用友捷汽车电气有限公司 | Air blower of air conditioner for vehicle |
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