CN106487150B - Compact motor with heat radiation structure - Google Patents
Compact motor with heat radiation structure Download PDFInfo
- Publication number
- CN106487150B CN106487150B CN201611226877.8A CN201611226877A CN106487150B CN 106487150 B CN106487150 B CN 106487150B CN 201611226877 A CN201611226877 A CN 201611226877A CN 106487150 B CN106487150 B CN 106487150B
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- Prior art keywords
- end cover
- heat dissipation
- mounting groove
- stator
- pcb
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- 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
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
- H02K9/227—Heat sinks
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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
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/182—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to stators axially facing the rotor, i.e. with axial or conical air gap
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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
- H02K11/33—Drive circuits, e.g. power electronics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/26—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of printed conductors
-
- 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
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a compact motor with a heat radiation structure, which comprises a PCB stator, an electronic module and a magnetic steel rotor, wherein coils are painted on the circumference of the PCB stator, a heat radiation shell and an end cover are symmetrically and outwards arranged on two sides of the PCB stator respectively, a first mounting groove is arranged in the middle of the end cover, the heat radiation shell on the same side is assembled and positioned in the first mounting groove of the end cover on the same side, one of the heat radiation shell and the end cover can be rotatably arranged, the other one of the heat radiation shell and the end cover is fixedly arranged, a second mounting groove is arranged on the heat radiation shell or the end cover which is fixedly arranged, the electronic module is positioned in the second mounting groove after the assembly, the magnetic steel rotor is uniformly distributed and fixed along the circumference of the rotatably arranged heat radiation shell or the end cover, and a first baffle (or a second baffle) with a heat radiation effect is arranged on the heat radiation shell (or the end cover) with the fixed mounting structure of the magnetic steel rotor.
Description
Technical Field
The invention relates to a motor, in particular to a compact motor with a heat dissipation structure.
Background
In the aeronautical or maritime field, it is generally required that the motors used be small and lightweight in order to reduce the load of the aircraft or ship. However, in the traditional motor, the stator winding is mostly manufactured by winding a wire on an iron core, so that the stator winding is complicated to process, and the whole volume and the mass of the motor are large because of the large number of turns of the stator winding. In order to solve the above problems, a PCB motor is presented, that is, a motor with a PCB drawn with a coil as a stator winding is adopted, which greatly reduces the volume and the mass of the motor, but the motor with a small volume has a large heat dissipation difficulty, especially the heat dissipation of an electronic module as a heating main body in the motor, and if a heat dissipation structure such as an axial fan is added in the motor according to a traditional heat dissipation manner, on the one hand, the axial wind introduced by the axial fan is blocked due to the vertical axial arrangement of the PCB, and is difficult to circulate in the motor, and on the other hand, the PCB is subjected to the effect of the axial wind for a long time, so that the stability is difficult to ensure and is easy to deform and damage, so that the heat dissipation manner of the traditional axial fan is not feasible, on the other hand, the volume and the mass of the motor are small, and the added heat dissipation structure can greatly increase the whole volume and the mass of the motor, which also makes the heat dissipation manner not preferable and the application value not great.
Disclosure of Invention
The invention aims to provide a compact motor with a heat dissipation structure.
In order to achieve the purpose of the invention, the technical scheme is now described in detail: the utility model provides a from compact motor of taking heat radiation structure, includes PCB board stator, electronic module and the magnet steel rotor that has the coil along its circumference to be drawn, PCB board stator's bilateral symmetry and outwards are equipped with heat dissipation shell and end cover respectively in proper order, heat dissipation shell and end cover all set up with PCB board stator is coaxial, and the end cover middle part is equipped with first mounting groove, is located the first mounting groove of homonymy end cover after the homonymy heat dissipation shell assembly, be equipped with the first baffle that a plurality of radial scattering distribute along its circumference on the side that the heat dissipation shell is close to the end cover, be equipped with a plurality of air intakes along its circumference on the bottom surface of the first mounting groove of end cover, the air intake is separated by a plurality of second baffles and is formed, is equipped with a plurality of air outlets on the first mounting groove circumference lateral wall of end cover, one of heat dissipation shell and end cover rotatable setting, another fixed setting are equipped with the second mounting groove on the heat dissipation shell or the end cover of fixed setting, after the assembly electronic module is located the second mounting groove, magnet steel rotor evenly distributes and is fixed along the heat dissipation shell or the circumference of rotatable setting.
Further, the electronic module is integrated on the PCB stator. With this arrangement, the overall volume and mass of the motor can be further reduced.
Further, the radiating shells are rotatably arranged, the end covers are fixedly arranged, the PCB stator is of an annular structure, the radiating shells on two sides of the PCB stator are made of magnetic materials, a magnetic conduction block is coaxially arranged between the two radiating shells and in the PCB stator, the magnetic conduction block is fixedly sleeved on a rotating shaft, a non-magnetic conduction ring which is positioned in the PCB stator is fixedly sleeved on the magnetic conduction block, the two radiating shells are fixedly arranged on the rotating shaft and are in contact with the magnetic conduction block, protruding blocks protruding outwards from the side faces of the radiating shells close to the side of the PCB stator are magnetic steel rotors fixed on the radiating shells, and the PCB stator is fixedly connected with the end covers. After the outer leakage magnetic field of the inner and outer annular edges of the magnetic conduction blocks is shielded by the rotating shaft and the non-magnetic conduction ring, the side surface of the two heat dissipation shells, which is close to the stator side of the PCB, is outwards protruded, and the corresponding convex block path is shortest, so that a magnetic circuit is formed and is used as a magnetic steel rotor.
Further, when the radiating shell is rotatably arranged and the end cover is fixedly arranged, the second mounting groove is positioned on the inner side face of the radial outer edge of the end cover, and a plurality of third partition plates which are distributed in a radial scattering mode are arranged on the outer side face of the end cover outside the first mounting groove. The arrangement of the third partition plate can enlarge the contact surface between the end covers and air, and after the electronic module generating a large amount of heat conducts the heat to the two end covers, the end cover with a larger radiating surface has good cooling effect; on the other hand, an air channel with a small space is formed between two adjacent third clapboards, the air channel with the small space can increase the air pressure in the air channel, so that the flow speed of wind is increased, the rapid heat dissipation is realized, the wind flows outwards along the radial direction of the end cover, and the radial edge of the end cover can also effectively dissipate heat.
Further, the end cover is rotatably arranged, the heat dissipation shells are fixedly arranged, the two heat dissipation shells are fixedly connected with the PCB stator through the bearing shaft, the two end covers are rotatably fixed on the bearing shaft, mounting holes for mounting the magnetic steel rotors are formed in the circumference of the two end covers, the magnetic steel rotors are respectively located in the mounting holes, and the side surfaces of the end covers are fixedly provided with compression rings corresponding to the annular positions formed by the plurality of the magnetic steel rotors. The clamping ring is used for limiting the axial movement of the magnetic steel rotor, so that the magnetic steel rotor is fixed in the mounting hole of the end cover, and compared with the magnetic steel rotor welded on or on the end cover, the magnetic steel rotor can be flexibly disassembled and assembled by the arrangement, and the motor is convenient to assemble.
Furthermore, the end cover mounting hole is a trapezoid body with small inner side area and large outer side area, and the shape of the magnetic steel rotor corresponds to the shape of the mounting hole. On the one hand, the structure of the trapezoid body enables the magnetic steel rotor to be more conveniently installed in the end cover installation hole, on the other hand, the end cover installation hole of the trapezoid body can limit the axial inward movement of the magnetic steel rotor, namely, the end cover is only provided with a compression ring on the outer side surface, and compression rings are not required to be arranged on the two side surfaces, so that the structure is simpler, and the weight is lighter.
Further, reinforcing rings are respectively fixed on two side surfaces of the PCB stator. The material of PCB board stator makes it not high temperature resistant, and the PCB board stator under the high temperature is more easy deformation damage promptly, and the setting of strengthening ring has increased the structural strength of PCB board stator, can effectively avoid the deformation damage of magnet steel PCB board stator, has improved the holistic life of motor.
Further, when the radiating shell is rotatably arranged and the end cover is fixedly arranged, the two reinforcing rings are located at the radial inner edge of the PCB stator, and when the end cover is rotatably arranged and the radiating shell is fixedly arranged, the two reinforcing rings are located at the radial outer edge of the PCB stator. The arrangement ensures that the inner part and the outer part of the radial direction of the PCB stator are reinforced and fixed, and the firmness of the PCB stator is better.
The compact motor with the heat radiation structure mainly comprises a first mounting groove, a second mounting groove, a first baffle plate (or a second baffle plate) and a heat radiation shell, wherein the first mounting groove is used for fixing a magnetic steel rotor, the second mounting groove is used for fixing the magnetic steel rotor, the first baffle plate (or the second baffle plate) is used for fixing the magnetic steel rotor, and the heat radiation shell is used for radiating heat.
Drawings
FIG. 1 is a schematic view of a first embodiment of the present invention;
FIG. 2 is a schematic view of an assembled structure of a first embodiment of the present invention;
FIG. 3 is a schematic view of a first embodiment of the present invention in semi-section excluding the end cap;
FIG. 4 is a schematic diagram of a second embodiment of the present invention;
FIG. 5 is a schematic view of an assembled structure of a second embodiment of the present invention;
fig. 6 is a schematic structural view of a second embodiment of the present invention excluding end caps and a magnetic steel rotor.
Detailed Description
Fig. 1 to 3 show a first embodiment of the compact motor with a heat dissipation structure according to the present invention. As shown in fig. 1 to 3, a compact motor with a heat dissipation structure comprises a rotating shaft 7, a PCB stator 1 with coils 11 drawn along the circumference thereof, an electronic module 4 integrated on the PCB stator 1, and a magnetic steel rotor 5, wherein a magnetic conduction block 6 is sleeved on the rotating shaft 7, a non-magnetic conduction ring 8 is sleeved on the magnetic conduction block 6, the PCB stator 1 is of an annular structure, reinforcing rings 12 are respectively fixed at the radial inner edges of the two sides of the PCB stator 1, the PCB stator 1 is sleeved outside the non-magnetic conduction ring 8 in a clearance manner, a heat dissipation shell 2 and an end cover 3 coaxial with the PCB stator 1 are respectively and sequentially arranged on the two sides of the PCB stator 1 and outwards, a plurality of first partition plates 21 are arranged on one side of the heat dissipation shell 2 close to the end cover 3 along the circumference thereof in a radial scattering manner, the heat dissipation shell 2 is made of magnetic materials, the side face of the heat radiation shell 2 close to the side of the PCB stator 1 is provided with a convex block which uniformly protrudes outwards along the circumference and is the magnetic steel rotor 5 fixed on the heat radiation shell 2, the two heat radiation shells 2 are sleeved and fixed on the rotating shaft 7 and are contacted with the magnetic conduction block 6, a first mounting groove 31 is arranged in the middle of one side of the end cover 3 close to the heat radiation shell 2, a plurality of air inlets 32 are arranged on the bottom face of the first mounting groove 31 of the end cover along the circumference, the air inlets 32 are separated by a plurality of second partition plates 33, a plurality of air outlets 34 are arranged on the circumferential side wall of the first mounting groove 31 of the end cover, a second mounting groove 23 is also arranged on the inner side face of the radial outer edge of the end cover 3, a plurality of third partition plates 35 which are distributed in radial scattering are arranged on the outer side face of the end cover 3 outside the first mounting groove 31, the two end covers 3 are movably sleeved and fixed on the rotating shaft 7, the heat radiation shells 2 on the same side are assembled and positioned in the first mounting groove 31 of the end cover 3 on the same side, the PCB stator 1 is fixedly connected with the two end covers 3, after assembly, the electronic module 4 is positioned in the second mounting groove 23 of the two end covers 3, and the two end covers 3 are fixedly assembled and connected.
In the first embodiment of the present invention, the electronic module 4, which mainly generates heat, is placed in the second mounting groove 23 of the fixedly disposed end cap 3 and conducts heat to the both side end caps 3 to increase the heat radiating surface; when the heat dissipation shell 2 at the same side rotates, the upper magnetic steel rotor 5 is driven, and radial wind is formed under the action of the first partition plate 21 on the outer side surface of the heat dissipation shell; the same side heat dissipation shell 2 is located in the first mounting groove 31 of the same side end cover 3, so that radial wind generated by the heat dissipation shell 2 flows to the end cover 3, and heat dissipation of the same side end cover 3 is achieved. Specifically, wind enters from an air inlet 32 on the end cover 3, and exits from an air outlet 34 on the end cover 3 under the action of the heat dissipation shell 2. This from compact motor of taking heat radiation structure will play the first baffle 21 of heat dissipation effect and set up on the fixed knot structure heat dissipation shell 2 of magnet steel rotor 5, its simple structure need not to establish structures such as radiator fan in addition, is under the condition that does not increase motor volume and quality promptly, realizes the high-efficient heat dissipation of motor.
Fig. 4 to 6 show a second embodiment of the compact motor with a heat dissipation structure according to the present invention. As shown in fig. 4 to 6, a compact motor with a heat dissipation structure comprises a PCB stator 1 with coils 11 painted along the circumference thereof, an electronic module 4 integrated on the PCB stator 1, and a magnetic steel rotor 5, wherein reinforcing rings 12 are respectively fixed at the radial outer edges of two side surfaces of the PCB stator 1, two symmetrical sides of the PCB stator 1 are respectively provided with a heat dissipation shell 2 and an end cover 3 coaxial with the same, a plurality of first partition plates 21 distributed by radial scattering are arranged on one side surface of the heat dissipation shell 2 close to the end cover 3 along the circumference thereof, a second mounting groove 23 is further arranged on one side surface of the heat dissipation shell 2 close to the PCB stator 1, the two heat dissipation shells 2 are fixedly connected with the PCB stator 1 through a bearing shaft 9, the electronic module 4 is positioned in the second mounting grooves 23 of the two heat dissipation shells 2 after assembly, a first mounting groove 31 is arranged in the middle of one side of the end cover 3, a plurality of air inlets 32 are respectively arranged along the circumference thereof, the air inlets 32 are formed by a plurality of second partition plates 33, a plurality of magnetic steel 3 are respectively arranged on the bottom surface of the first mounting groove 31 along the circumference thereof, a plurality of magnetic steel 3 are correspondingly provided with a plurality of magnetic steel 3, a plurality of air holes are respectively arranged on the two end covers 3 corresponding to the two end covers 51 are fixedly arranged at the two ends of the rotor covers 5, and are correspondingly provided with the two end covers 51, and are fixedly arranged at the two ends of the two end covers 51 corresponding to the two end covers 3 are fixedly arranged at the same side 51, and correspond to the two end covers 51, and are fixedly arranged at the two ends 51, and have the two ends 51 are fixedly arranged.
In the second embodiment of the present invention, the electronic module 4 mainly generating heat is placed in the second mounting groove 23 of the fixedly arranged heat dissipation shell 2, and heat is transferred to the heat dissipation shells 2 at both sides, and the heat dissipation shell 2 with the first partition plate 21 can greatly enlarge the heat dissipation surface; when the end cover 3 rotatably arranged at the same side rotates, radial wind is formed under the action of the second partition plate 33; the same side heat dissipation shell 2 is located in the first mounting groove 31 of the same side end cover 3, so that radial wind generated by the end cover 3 takes away heat on the heat dissipation shell 2, and heat dissipation of the same side heat dissipation shell 2 is achieved. Specifically, the wind enters from the air inlet 32 on the end cover 3, and is discharged from the air outlet 34 on the end cover 3 after passing through the heat dissipation shell 2 on the same side of the first mounting groove 31 under the action of the second partition 33 of the end cover 3. This from compact motor of taking heat radiation structure will play the second baffle 33 of heat dissipation effect and set up on the fixed knot structure end cover 3 of magnet steel rotor 5, its simple structure need not to establish structures such as radiator fan in addition, is under the condition that does not increase motor volume and quality promptly, realizes the high-efficient heat dissipation of motor.
Claims (8)
1. The utility model provides a from compact motor of taking heat radiation structure, includes along its circumference printed circuit board stator, electronic module and magnet steel rotor that has the coil, its characterized in that: the PCB board stator's bilateral symmetry and outwards are equipped with heat dissipation shell and end cover respectively in proper order, heat dissipation shell and end cover all set up with the PCB board stator is coaxial, and the end cover middle part is equipped with first mounting groove, is located the first mounting groove of homonymy end cover after the homonymy heat dissipation shell assembly, be close to the first baffle that its circumference was equipped with a plurality of radial scattering distribution on the side of end cover on the heat dissipation shell, be equipped with a plurality of air intakes along its circumference on the bottom surface of the first mounting groove of end cover, the air intake is separated by a plurality of second baffles and is formed, is equipped with a plurality of air outlets on the first mounting groove circumference lateral wall of end cover, one of them rotatable setting, another fixed setting in heat dissipation shell or the end cover that sets up is equipped with the second mounting groove, after the assembly electronic module is located the second mounting groove, magnet steel rotor is evenly distributed and fixed along rotatable heat dissipation shell or the end cover circumference that sets up, two end covers fixed assembly connection.
2. The compact motor with heat dissipating structure of claim 1, wherein: the electronic module is integrated on the PCB stator.
3. The compact motor with heat dissipating structure of claim 1, wherein: the heat dissipation shell is rotatably arranged, the end cover is fixedly arranged, the PCB stator is of an annular structure, the heat dissipation shells on two sides of the PCB stator are made of magnetic materials, a magnetic conduction block is coaxially arranged between the two heat dissipation shells and in the PCB stator, the magnetic conduction block is fixedly sleeved on a rotating shaft, a non-magnetic conduction ring positioned in the PCB stator is fixedly sleeved on the magnetic conduction block, the two heat dissipation shells are fixedly arranged on the rotating shaft and are in contact with the magnetic conduction block, protruding blocks protruding outwards from the side faces of the heat dissipation shells close to the side of the PCB stator are magnetic steel rotors fixed on the heat dissipation shells, and the PCB stator is fixedly connected with the end cover.
4. The compact motor with heat dissipating structure of claim 1, wherein: when the radiating shell is rotatably arranged and the end cover is fixedly arranged, the second mounting groove is positioned on the inner side face of the radial outer edge of the end cover, and a plurality of third partition plates which are distributed in a radial scattering way are arranged on the outer side face of the end cover outside the first mounting groove.
5. The compact motor with heat dissipating structure of claim 1, wherein: the end cover is rotatably arranged, the heat dissipation shells are fixedly arranged, the two heat dissipation shells are fixedly connected with the PCB stator through the bearing shaft, the two end covers are rotatably fixed on the bearing shaft, mounting holes for mounting the magnetic steel rotors are formed in the two end covers along the circumference of the two end covers, the magnetic steel rotors are respectively located in the mounting holes, and compression rings corresponding to the annular positions formed by the plurality of the magnetic steel rotors are fixed on the side surfaces of the end covers.
6. The compact motor with heat dissipating structure of claim 5, wherein: the end cover mounting holes are trapezoid bodies with small inner side areas and large outer side areas, and the shape of the magnetic steel rotor corresponds to the shape of the mounting holes.
7. The compact motor with heat dissipating structure of claim 1, wherein: reinforcing rings are respectively fixed on two side surfaces of the PCB stator.
8. The compact motor with self-contained heat dissipating structure of claim 7, wherein: when the radiating shell is rotatably arranged and the end cover is fixedly arranged, the two reinforcing rings are located at the radial inner edge of the PCB stator, and when the end cover is rotatably arranged and the radiating shell is fixedly arranged, the two reinforcing rings are located at the radial outer edge of the PCB stator.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611226877.8A CN106487150B (en) | 2016-12-27 | 2016-12-27 | Compact motor with heat radiation structure |
DE112017006575.5T DE112017006575T5 (en) | 2016-12-27 | 2017-11-03 | Compact motor with integrated heat dissipation structure |
PCT/CN2017/109308 WO2018121054A1 (en) | 2016-12-27 | 2017-11-03 | Compact electric motor with heat dissipation structure |
ZA2019/04015A ZA201904015B (en) | 2016-12-27 | 2019-06-20 | Compact electric motor with heat dissipation structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611226877.8A CN106487150B (en) | 2016-12-27 | 2016-12-27 | Compact motor with heat radiation structure |
Publications (2)
Publication Number | Publication Date |
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CN106487150A CN106487150A (en) | 2017-03-08 |
CN106487150B true CN106487150B (en) | 2023-05-23 |
Family
ID=58285261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201611226877.8A Active CN106487150B (en) | 2016-12-27 | 2016-12-27 | Compact motor with heat radiation structure |
Country Status (4)
Country | Link |
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CN (1) | CN106487150B (en) |
DE (1) | DE112017006575T5 (en) |
WO (1) | WO2018121054A1 (en) |
ZA (1) | ZA201904015B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106487150B (en) * | 2016-12-27 | 2023-05-23 | 维尔纳集电电子科技(福建)有限公司 | Compact motor with heat radiation structure |
CN107947410A (en) * | 2017-12-05 | 2018-04-20 | 浙江益中智能电气有限公司 | A kind of PCB permanent-magnet brushless DC electric machines |
CN109366319B (en) * | 2018-12-11 | 2023-10-17 | 齐鲁工业大学 | Angle grinder |
CN111835153B (en) * | 2019-04-23 | 2023-05-26 | 擎声自动化科技(上海)有限公司 | Motor with PCB stator |
CN112688495B (en) * | 2020-12-17 | 2023-12-22 | 常州瑞斯塔电机有限公司 | Permanent magnet synchronous motor and controller integrated assembly for negative pressure fan |
CN112821675B (en) * | 2020-12-30 | 2024-02-06 | 苏州大原电器有限公司 | Compact DC motor |
CN114362463B (en) * | 2022-01-17 | 2023-05-16 | 浙江伟康电机有限公司 | Motor assembly all-in-one machine |
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- 2016-12-27 CN CN201611226877.8A patent/CN106487150B/en active Active
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- 2017-11-03 WO PCT/CN2017/109308 patent/WO2018121054A1/en active Application Filing
- 2017-11-03 DE DE112017006575.5T patent/DE112017006575T5/en active Pending
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- 2019-06-20 ZA ZA2019/04015A patent/ZA201904015B/en unknown
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