CN114678973B - Noise reduction motor for windowing - Google Patents
Noise reduction motor for windowing Download PDFInfo
- Publication number
- CN114678973B CN114678973B CN202111465732.4A CN202111465732A CN114678973B CN 114678973 B CN114678973 B CN 114678973B CN 202111465732 A CN202111465732 A CN 202111465732A CN 114678973 B CN114678973 B CN 114678973B
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- stator
- rotating shaft
- sound
- core
- sound absorption
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- 230000009467 reduction Effects 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000004804 winding Methods 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims description 47
- 238000010521 absorption reaction Methods 0.000 claims description 25
- 230000001681 protective effect Effects 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 15
- 239000004744 fabric Substances 0.000 claims description 12
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
-
- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention provides a noise reduction motor for windowing, which comprises a stator shell, baffle plates, a stator core, windings, magnetic steel, a rotating shaft, a rotor core and grid rings, wherein the stator core is arranged on the inner wall of the stator shell, the windings are arranged on the stator core, the baffle plates for limiting the positions of the windings are arranged on the stator core, the rotating shaft is arranged at the center of the inside of the stator shell, the rotor core is arranged on the rotating shaft, the magnetic steel is arranged on the rotor core, the magnetic steel, the rotating shaft and the rotor core form a rotor, the baffle plates, the stator core, the windings and the magnetic steel form a stator, an air gap is arranged between the rotor and the stator, and the grid rings are arranged at the positions of the air gap on one side inside the stator shell. The invention has the advantages that: the motor adopts a permanent magnet structure, and has the advantages of high efficiency, large torque, strong overload capacity and light weight.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a noise reduction motor for windowing.
Background
With the advantage of intellectualization, automation windows are increasingly used in the chinese market. The key parts of the automatic window are the defects of high noise and are unacceptable to many users. The largest noise source of the window opener is a core part in the window opener, namely a brush motor, and the brush motor has the advantage of low cost, but has certain defects at the same time. Firstly, the noise of the brushes is large, and the friction noise generated between the brushes is much larger than that of other motors without brushes. Secondly, the motor is easy to damage, and the motor cannot work because the brushes are easy to damage due to continuous friction between the brushes. Thus, a new motor is needed to ameliorate these drawbacks.
Disclosure of Invention
The invention provides a noise reduction motor for windowing, which aims at the defects of the prior art.
The invention solves the technical problems by the following technical means:
the utility model provides a motor of making an uproar falls in windowing, includes stator casing, separation blade, stator core, winding, magnet steel, pivot, rotor core and net ring, be equipped with stator core on the stator casing inner wall, be equipped with the winding on the stator core, be equipped with the separation blade of restriction winding position on the stator core, the inside center department of stator casing is equipped with the pivot, be equipped with rotor core in the pivot, be equipped with the magnet steel on the rotor core, rotor is constituteed to magnet steel, pivot and rotor core, stator is constituteed to separation blade, stator core, winding and magnet steel, the rotor with be equipped with the air gap between the stator, the inside one side of stator casing is located air gap position department and is equipped with net ring.
Preferably, the novel air vibration absorber further comprises a plurality of sound absorption mechanisms, wherein the sound absorption mechanisms are integrally of a strip-shaped structure, the sound absorption mechanisms are arranged at one end of the stator shell, and the sound absorption mechanisms reduce air vibration inside the stator shell to reduce sound.
Preferably, the sound absorption mechanism comprises a protective net, a vibration absorbing piece, a fluctuation piece, a through hole storage bin and a fixing rod, wherein the protective net is arranged at one end of the stator shell, the vibration absorbing piece is arranged on the inner wall of the protective net, one side of the vibration absorbing piece is connected with the through hole storage bin through the fixing rod, and the fluctuation piece is arranged inside the through hole storage bin.
Preferably, the fluctuation piece is including connecting rope, oval fixed bin, connecting spring, arc fixed block and cloth strip, oval fixed bin is provided with a plurality ofly, and is a plurality of connect through connecting rope between the oval fixed bin, oval fixed bin inside top is equipped with connecting spring, connecting spring end connection has the arc fixed block, evenly suspended a plurality of cloth strips on the arc fixed block.
Preferably, the vibration absorbing member comprises a plurality of porous connecting columns and a circular ring, wherein the circular ring is clamped on the inner side of the protective net, and a plurality of porous connecting columns are arranged in the circular ring at equal intervals.
Preferably, the porous connecting columns are parallel to the sound absorption mechanism, and the porous connecting columns and the sound absorption mechanism are arranged in a staggered manner.
Preferably, the cuboid mechanism of the porous connecting column is characterized in that an anti-corrosion layer is smeared on the porous connecting column.
Preferably, the motor stator further comprises a sound insulation mechanism, wherein the sound insulation mechanism is sleeved on the position, located on the rotating shaft, of the outer shell of the stator shell, and the sound insulation mechanism is used for blocking sound transmitted from the position, located on the rotating shaft, of the stator shell.
Preferably, the sound insulation mechanism comprises a fixed circular ring, a rubber layer and a protective ring, wherein the fixed circular ring penetrates through the rotating shaft to be fixed on the stator shell, the protective ring is fixed on the fixed circular ring, the protective ring is provided with the rubber layer, and the rubber layer is of a circular ring structure.
The invention has the advantages that: the motor adopts a permanent magnet structure, has high efficiency, large torque, strong overload capacity and light weight;
through the setting of sound insulation mechanism, can make the sound that the stator casing is located pivot position department separate for this part sound gets back to inside the stator casing, discharges from sound absorption mechanism one side, makes the filtration through sound absorption mechanism, makes the sound of outgoing low, and the result of use is better.
Drawings
FIG. 1 is a schematic diagram of a noise reduction motor for windowing according to an embodiment of the present invention;
FIG. 2 is a schematic view showing an internal structure of a stator housing according to an embodiment of the present invention;
FIG. 3 is a schematic view of a sound absorbing mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic view of the structure of a wave member according to an embodiment of the present invention;
FIG. 5 is a schematic view of a shock absorber according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a sound insulation mechanism according to an embodiment of the present invention.
Reference numerals in the drawings: 10. the stator comprises a stator shell, 20, a baffle plate, 30, an iron core, 40, windings, 50, magnetic steel, 60, a rotating shaft, 70, an iron core, 80, a grid ring, 90, a sound absorption mechanism, 91, a protective net, 92, a vibration absorbing member, 921, a porous connecting column, 922, a circular ring, 93, a fluctuation member, 931, a connecting rope, 932, an elliptic fixing bin, 933, a connecting spring, 934, an arc-shaped fixing block, 935, a cloth strip, 94, a through hole storage bin, 95, a fixing rod, 100, a sound insulation mechanism, 1001, a fixing circular ring, 1002, a rubber layer, 1003 and a protective ring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. 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.
Examples
As shown in fig. 1, the noise reduction motor for windowing includes a stator housing 10, a baffle 20, a stator core 30, a winding 40, a magnetic steel 50, a rotating shaft 60, a rotor core 70 and a grid ring 80, wherein the stator core 30 is arranged on the inner wall of the stator housing 10, the winding 40 is arranged on the stator core 30, the baffle 20 limiting the position of the winding 40 is arranged on the stator core 30, the rotating shaft 60 is arranged at the center of the inside of the stator housing 10, the rotor core 70 is arranged on the rotating shaft 60, the magnetic steel 50 is arranged on the rotor core 70, the magnetic steel 50, the rotating shaft 60 and the rotor core 70 form a rotor, an air gap is arranged between the rotor and the stator, and the grid ring 80 is arranged at the position of the air gap on one side of the inside of the stator housing 10.
The magnetic steel 50, the rotating shaft 60 and the rotor iron core 70 form a rotor, the baffle 20, the stator iron core 30, the winding 40 and the magnetic steel 50 form a stator, three-phase current is introduced into the winding 40 through a control circuit to form a rotating magnetic field to drive the rotor to rotate according to a specified rotating direction, and a complete motor magnetic circuit is formed through the magnetic steel 50, the stator iron core 30, an air gap, the rotor iron core 70 and the stator shell 10, so that an electric brush is omitted, the effects of reducing noise and prolonging the service life are achieved, and the motor adopts a permanent magnet structure, and has the advantages of high efficiency, high torque, strong overload capacity and light weight; by the arrangement of the mesh ring 80, the propagation of sound is blocked, and the vibration of the air inside the stator housing 10 is reduced, further reducing noise.
As shown in fig. 2, the noise reduction motor for windowing further includes a sound absorption mechanism 90, the whole sound absorption mechanism 90 is in a strip structure, the sound absorption mechanism 90 is provided with a plurality of sound absorption mechanisms, the sound absorption mechanism 90 is arranged at one end of the stator housing 10, and the sound absorption mechanism 90 reduces air vibration inside the stator housing 10 to reduce sound.
As shown in fig. 3, the sound absorbing mechanism 90 includes a protection net 91, a vibration absorbing member 92, a wave member 93, a through hole storage bin 94 and a fixing rod 95, the protection net 91 is disposed at one end of the stator housing 10, the vibration absorbing member 92 is disposed on the inner wall of the protection net 91, one side of the vibration absorbing member 92 is connected with the through hole storage bin 94 through the fixing rod 95, and the wave member 93 is disposed inside the through hole storage bin 94.
Through the fluctuation of fluctuation piece 93, reduce the inside air vibration of stator casing 10, further reduce the inside air vibration of stator casing 10 through vibration absorbing member 92 to reduce the noise that the motor produced, vibration absorbing member 92 one side is passed through dead lever 95 connects through-hole storage bin 94, can make through-hole storage bin 94 dismantle from vibration absorbing member 92 department, thereby the convenience of customers maintains maintenance and change the operation to stirring piece 93 in the through-hole storage bin 94, excellent in use effect.
As shown in fig. 4, the wave member 93 includes a connecting rope 931, an oval fixing bin 932, a connecting spring 933, an arc fixing block 934 and fabric strips 935, the oval fixing bin 932 is provided with a plurality of oval fixing bins 932, a plurality of oval fixing bins 932 are connected by the connecting rope 931, the connecting spring 933 is arranged at the top end inside the oval fixing bin 932, the end of the connecting spring 933 is connected with the arc fixing block 934, and a plurality of fabric strips 935 are uniformly suspended on the arc fixing block 934.
When noise is generated in the motor, air vibration in the motor is caused, when the vibration propagates to the cloth strip 935, the cloth strip 935 can absorb a part of wind and air vibration, and the cloth strip 935 can absorb a part of wind and sound, meanwhile, the cloth strip 935 is connected with the connecting spring 933 through the arc-shaped fixing block 934, so that the cloth strip 935 can generate a swinging phenomenon, the air vibration is reduced, the sound is reduced, and the use effect is better.
As shown in fig. 5, the vibration absorbing member 92 includes a porous connection column 921 and a circular ring 922, the circular ring 922 is clamped inside the protection net 91, and a plurality of porous connection columns 921 are provided inside the circular ring 922 at equal intervals.
Through the setting of porous spliced pole 921, on the one hand can make the transmission of sound separate, on the other hand can further reduce the transmission of sound for the sound that sends of motor is littleer, and the result of use is better.
As shown in fig. 4-5, the porous connection columns 921 and the sound absorbing mechanism 90 are parallel to each other, and the porous connection columns 921 and the sound absorbing mechanism 90 are arranged in a staggered manner, so that the noise propagation blocking effect is better.
As shown in fig. 5, in the rectangular parallelepiped mechanism of the porous connecting column 921, an anti-corrosion layer is coated on the porous connecting column 921, so that the service life of the porous connecting column 921 can be prolonged.
As shown in fig. 6, the noise reduction motor for windowing further comprises a sound insulation mechanism 100, wherein the sound insulation mechanism 100 is sleeved on the stator housing 10, the outer housing is positioned at the position of the rotating shaft 60, and the sound insulation mechanism 100 blocks sound transmitted from the stator housing 10, which is positioned at the position of the rotating shaft 60.
As shown in fig. 6, the sound insulation mechanism 100 includes a fixed ring 1001, a rubber layer 1002, and a protection ring 1003, where the fixed ring 1001 is fixed on the stator housing 10 through the rotating shaft 60, the protection ring 1003 is fixed on the fixed ring 1001, the protection ring 1003 is provided with the rubber layer 1002, and the rubber layer 1002 is in a ring structure.
Through the setting of sound insulation mechanism 100, can make the sound that stator casing 10 is located pivot 60 position department separate for this part sound gets back to inside the stator casing 10, discharges from sound absorption mechanism 90 one side, makes the filtration through sound absorption mechanism 90, makes the sound of outgoing low, and the result of use is better.
It is noted that relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. Noise reduction motor for windowing, its characterized in that: the stator comprises a stator shell (10), a baffle plate (20), a stator core (30), a winding (40), magnetic steel (50), a rotating shaft (60), a rotor core (70) and a grid ring (80), wherein the stator core (30) is arranged on the inner wall of the stator shell (10), the winding (40) is arranged on the stator core (30), the baffle plate (20) for limiting the position of the winding (40) is arranged on the stator core (30), the rotating shaft (60) is arranged at the center inside the stator shell (10), the rotor core (70) is arranged on the rotating shaft (60), the magnetic steel (50) is arranged on the rotor core (70), the magnetic steel (50), the rotating shaft (60) and the rotor core (70) form a rotor, the baffle plate (20), the stator core (30), the winding (40) and the magnetic steel (50) form a stator, an air gap is arranged between the rotor and the stator, and the grid ring (80) is arranged at the position of one side inside the stator shell (10).
The sound absorption mechanism (90) is integrally of a strip-shaped structure, a plurality of sound absorption mechanisms (90) are arranged, the sound absorption mechanisms (90) are arranged at one end of the stator housing (10), and the sound absorption mechanisms (90) reduce air vibration inside the stator housing (10) and sound;
the sound absorption mechanism (90) comprises a protective net (91), a vibration absorbing part (92), a fluctuation part (93), a through hole storage bin (94) and a fixed rod (95), wherein the protective net (91) is arranged at one end of the stator shell (10), the vibration absorbing part (92) is arranged on the inner wall of the protective net (91), one side of the vibration absorbing part (92) is connected with the through hole storage bin (94) through the fixed rod (95), and the fluctuation part (93) is arranged inside the through hole storage bin (94);
the fluctuation piece (93) comprises a connecting rope (931), an oval fixing bin (932), connecting springs (933), arc-shaped fixing blocks (934) and cloth strips (935), wherein a plurality of oval fixing bins (932) are arranged, the oval fixing bins (932) are connected through the connecting rope (931), the connecting springs (933) are arranged at the top ends in the oval fixing bins (932), the end portions of the connecting springs (933) are connected with the arc-shaped fixing blocks (934), and the plurality of cloth strips (935) are uniformly suspended on the arc-shaped fixing blocks (934);
the vibration absorbing piece (92) comprises a porous connecting column (921) and a circular ring (922), the circular ring (922) is clamped on the inner side of the protective net (91), and a plurality of porous connecting columns (921) are arranged in the circular ring (922) at equal intervals;
the sound insulation mechanism (100) is sleeved on the stator housing (10), the outer housing is positioned at the position of the rotating shaft (60), and the sound insulation mechanism (100) blocks sound transmitted from the position of the stator housing (10) positioned at the rotating shaft (60);
the sound insulation mechanism (100) comprises a fixed circular ring (1001), a rubber layer (1002) and a protective ring (1003), wherein the fixed circular ring (1001) penetrates through a rotating shaft (60) to be fixed on a stator shell (10), the protective ring (1003) is fixed on the fixed circular ring (1001), the protective ring (1003) is provided with the rubber layer (1002), and the rubber layer (1002) is of a circular ring structure.
2. The noise reduction motor for windowing as defined in claim 1, wherein: the porous connecting columns (921) are parallel to the sound absorption mechanism (90), and the porous connecting columns (921) and the sound absorption mechanism (90) are arranged in a staggered mode.
3. The noise reduction motor for windowing as defined in claim 1, wherein: the porous connecting column (921) is a cuboid mechanism, and an anti-corrosion layer is smeared on the porous connecting column (921).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111465732.4A CN114678973B (en) | 2021-12-03 | 2021-12-03 | Noise reduction motor for windowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111465732.4A CN114678973B (en) | 2021-12-03 | 2021-12-03 | Noise reduction motor for windowing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114678973A CN114678973A (en) | 2022-06-28 |
| CN114678973B true CN114678973B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111465732.4A Active CN114678973B (en) | 2021-12-03 | 2021-12-03 | Noise reduction motor for windowing |
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| Country | Link |
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| CN (1) | CN114678973B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255460A (en) * | 2011-06-20 | 2011-11-23 | 上海电机学院 | Permanent magnet synchronous machine (PMSM) possessing assembled magnetic effect |
| CN102647063A (en) * | 2012-04-25 | 2012-08-22 | 中国船舶重工集团公司第七0四研究所 | Low-vibration and low-noise small-and-medium-sized asynchronous motor |
| CN206060459U (en) * | 2016-08-31 | 2017-03-29 | 温州市国晟汽车电器有限公司 | A kind of low noise heat radiating type threephase asynchronous machine |
| CN207835257U (en) * | 2017-12-29 | 2018-09-07 | 天津创远亿德科技发展有限公司 | A kind of noise reduction switch reluctance motor |
| CN209994216U (en) * | 2019-06-11 | 2020-01-24 | 广东顺德腾浩电机有限公司 | Motor convenient to change inside flabellum of motor |
| CN211530916U (en) * | 2020-04-16 | 2020-09-18 | 南通大德电机有限公司 | Special motor with good noise reduction effect |
-
2021
- 2021-12-03 CN CN202111465732.4A patent/CN114678973B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255460A (en) * | 2011-06-20 | 2011-11-23 | 上海电机学院 | Permanent magnet synchronous machine (PMSM) possessing assembled magnetic effect |
| CN102647063A (en) * | 2012-04-25 | 2012-08-22 | 中国船舶重工集团公司第七0四研究所 | Low-vibration and low-noise small-and-medium-sized asynchronous motor |
| CN206060459U (en) * | 2016-08-31 | 2017-03-29 | 温州市国晟汽车电器有限公司 | A kind of low noise heat radiating type threephase asynchronous machine |
| CN207835257U (en) * | 2017-12-29 | 2018-09-07 | 天津创远亿德科技发展有限公司 | A kind of noise reduction switch reluctance motor |
| CN209994216U (en) * | 2019-06-11 | 2020-01-24 | 广东顺德腾浩电机有限公司 | Motor convenient to change inside flabellum of motor |
| CN211530916U (en) * | 2020-04-16 | 2020-09-18 | 南通大德电机有限公司 | Special motor with good noise reduction effect |
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| Publication number | Publication date |
|---|---|
| CN114678973A (en) | 2022-06-28 |
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Denomination of invention: Noise reducing motor for window opening Granted publication date: 20230915 Pledgee: Bank of China Limited Nanjing Jiangbei New Area Branch Pledgor: INSTITUTE OF INTELLIGENT MANUFACTURING TECHNOLOGY,JITRI Registration number: Y2024980012072 |