CN113472130A - Direct current brushless motor - Google Patents
Direct current brushless motor Download PDFInfo
- Publication number
- CN113472130A CN113472130A CN202110757631.8A CN202110757631A CN113472130A CN 113472130 A CN113472130 A CN 113472130A CN 202110757631 A CN202110757631 A CN 202110757631A CN 113472130 A CN113472130 A CN 113472130A
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- Prior art keywords
- threaded hole
- motor
- protection box
- plate
- main body
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Links
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 238000009423 ventilation Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 230000006978 adaptation Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 13
- 230000001681 protective effect Effects 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 241001233242 Lontra Species 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008398 formation water Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Images
Classifications
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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
- H02K5/20—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1735—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at only one end of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/26—Structural association of machines with devices for cleaning or drying cooling medium, e.g. with filters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention relates to the technical field of direct current brushless motors, in particular to a direct current brushless motor, which comprises a protective box, wherein a ventilation net is arranged at the front end of the protective box, a motor fixing device is arranged at one end of the protective box, the motor fixing device comprises a motor main body, an output shaft is arranged at one end of the motor main body, a first baffle plate is arranged on the outer side of the output shaft at one end of the motor main body, a first threaded hole is formed in the side surface of the first baffle plate, a rolling bearing is arranged at one end inside the protective box, a second threaded hole is formed in one end inside the protective box, a first hexagonal screw is arranged inside the second threaded hole, a third threaded hole is formed in the other end of the protective box, a cooling mechanism is arranged inside the third threaded hole, and a push-pull device is arranged at the upper end of the protective box, simple structure, convenient operation can prevent that the dust from getting into the guard box inside, cools down to the guard box.
Description
Technical Field
The invention relates to the technical field of direct current brushless motors, in particular to a direct current brushless motor.
Background
The brushless DC motor is composed of a motor main body and a driver, is a typical electromechanical integration product, is a brushless motor without a brush and a commutator, also called a commutator-free motor, and is a brushless type when the motor is born early in nineteen years, namely an AC squirrel-cage asynchronous motor, the motor is widely applied, but the asynchronous motor has many defects which cannot be overcome, so that the motor technology is slowly developed, transistors are born in the middle of the last century, therefore, the DC brushless motor which adopts a transistor commutation circuit to replace the brush and the commutator is produced, the novel brushless DC motor is called an electronic commutation type DC motor, overcomes the defects of the first generation brushless DC motor, the existing brushless DC motor can be protected by adding a protection box outside the motor when in use, but after adding the protection box, the heat dissipation of motor removes dust will be very difficult, and the use of motor can be influenced to the temperature rise in the protection box, and gets into too much dust in the protection box and probably cause the motor to damage, in order to solve above-mentioned problem, we have provided a DC brushless motor.
Disclosure of Invention
The invention mainly aims to provide a brushless direct current motor, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a direct current brushless motor comprises a protection box, wherein a ventilation net is installed at the front end of the protection box, a motor fixing device is arranged at one end inside the protection box, the motor fixing device comprises a motor main body, an output shaft is installed at one end of the motor main body, a first baffle plate is arranged on the outer side of the output shaft at one end of the motor main body, a first threaded hole is formed in the side surface of the first baffle plate, a rolling bearing is arranged at one end inside the protection box, a second threaded hole is formed in one end inside the protection box, a first hexagonal screw is installed inside the second threaded hole, a third threaded hole is formed in the other end of the protection box, a cooling device is arranged inside the third threaded hole, a push-pull device is arranged at the upper end of the protection box and comprises a fixing plate, a sliding groove is formed in the front end of the fixing plate, the front end of fixed plate is provided with the push-and-pull door, both ends are provided with the slider around the push-and-pull door, the inside bottom of guard box is provided with the mounting panel.
Preferably, the cooling mechanism includes an external thread section of thick bamboo, the inside upper left corner of an external thread section of thick bamboo is provided with the water tank, the bottom both sides position of water tank is equipped with first filtration otter board and second filtration otter board, water tank surface upper end is equipped with first water inlet and second water inlet, first delivery port has been seted up to the interior bottom right side position of water tank, the inside of an external thread section of thick bamboo is provided with the cooling fan, the left side of cooling fan is equipped with brush board and coaxial rotation connection, the left side of brush board is equipped with the cylinder through rotating the connection, the cylinder is located filter screen right side, be threaded connection between an external thread section of thick bamboo and the third screw hole.
Preferably, the fixed plates are provided with two sets, the sliding door is located between the two sets of fixed plates, the outer surface size of the sliding block is matched with the inner size of the sliding groove, and the sliding block is connected with the sliding groove in a sliding mode.
Preferably, the output shaft is rotatably connected with the first baffle, four groups of first threaded holes are provided, four groups of second threaded holes are provided, the four groups of second threaded holes are uniformly arranged at one end of the peripheral protection box of the rolling bearing, and the positions of the first threaded holes correspond to the positions of the second threaded holes.
Preferably, the motor main body is fixedly installed at the upper end of the installation plate.
Preferably, be provided with the second hexagonal screw between the inside bottom of mounting panel and guard box, the inside bottom at the guard box is installed through the second hexagonal screw to the mounting panel.
Compared with the prior art, the invention has the following beneficial effects: the direct-current brushless motor is characterized in that an output shaft is inserted into a rolling bearing, then a motor main body can be installed at the bottom end of the interior of a protection box through a second hexagonal screw, a first threaded hole in a first baffle is aligned with a second threaded hole at the moment, the first hexagonal screw is screwed tightly, the motor main body is fixed and completed, a cooling fan is started, the cooling fan rotates a brush plate through a shaft, a plurality of through holes are formed in the brush plate, the brush plate rotates a roller through a rotating shaft, the cooling fan blows air into the protection box from the outside to cool the interior of the protection box, the air firstly passes through a first air filter screen plate when entering the interior of the protection box, the first air filter screen plate filters impurity sand grains in the air, and the second filter screen plate uniformly filters bubble liquid flowing through a first water outlet of a water tank and uses the roller to wipe meshes of a second screen plate, then the bubble liquid with the dust on the second filter screen board through cooling fan's suction forms the bubble and takes away the dust, the brush on the brush board that enters into the cavity position through the pivoted punctures the bubble and prevents that the dust from getting into the protective box, cavity position formation water smoke district can recycle with the bubble liquid that the second water inlet circulated to the water tank through the second delivery port this moment, can make the slider slide in the inside of spout with the pulling push-and-pull door when the device of protective box inside breaks down, pull open the push-and-pull door then repair the internal arrangement of protective box, can close the push-and-pull door again after the repair is accomplished, the device, and the operation is simple and convenient, can prevent effectively that outside dust from getting into the protective box and can cool down the protective box inside, prevent that the motor main part from using because factors such as temperature height or dust influence.
Drawings
Fig. 1 is a schematic view of an overall structure of a dc brushless motor according to the present invention;
FIG. 2 is a schematic diagram of an internal structure of a brushless DC motor according to the present invention;
FIG. 3 is a schematic structural diagram of a motor fixing device of a brushless DC motor according to the present invention;
FIG. 4 is a schematic structural diagram of a cooling mechanism of a brushless DC motor according to the present invention;
FIG. 5 is a schematic structural diagram of a push-pull device of a brushless DC motor according to the present invention;
FIG. 6 is a schematic cross-sectional view of a fixing plate of a brushless DC motor according to the present invention
Fig. 7 is a schematic diagram of an internal structure of a cooling mechanism of a dc brushless motor according to the present invention.
In the figure: 1. a protection box; 2. a motor fixing device; 21. a motor main body; 22. a first baffle plate; 23. a first threaded hole; 24. an output shaft; 25. a rolling bearing; 26. a second threaded hole; 27. a first hexagonal screw; 3. a push-pull device; 31. a fixing plate; 32. a chute; 33. a sliding door; 34. a slider; 4. a cooling mechanism; 41. an externally threaded barrel; 42. a cooling fan; 43. a first air filter screen plate; 45. a second air filter screen; 46. a water tank; 47. a first water inlet; 48. a second water inlet; 54. a first water outlet; 53. a second water outlet; 49. a roller 50, a brush 52, a brush plate; 51. a through hole; 6. mounting a plate; 7. and a third threaded hole.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, a brushless dc motor includes a protection box 1, and is characterized in that: the front end of the protection box 1 is provided with a ventilation net 5, one end inside the protection box 1 is provided with a motor fixing device 2, the motor fixing device 2 comprises a motor main body 21, one end of the motor main body 21 is provided with an output shaft 24, the outer side of the output shaft 24 at one end of the motor main body 21 is provided with a first baffle 22, the side surface of the first baffle 22 is provided with a first threaded hole 23, one end inside the protection box 1 is provided with a rolling bearing 25, one end inside the protection box 1 is provided with a second threaded hole 26, the inside of the second threaded hole 26 is provided with a first hexagonal screw 27, the other end of the protection box 1 is provided with a third threaded hole 7, the inside of the third threaded hole 7 is provided with a cooling mechanism 4, the left side of the cooling mechanism 4 is provided with a first filter plate 43, and the right side of the cooling mechanism 4 is provided with a cooling fan 42, the upper end of the protection box 1 is provided with a push-pull device 3, the push-pull device 3 comprises a fixing plate 31, a sliding groove 32 is formed in the front end of the fixing plate 31, a sliding door 33 is arranged at the front end of the fixing plate 32, sliding blocks 34 are arranged at the front end and the rear end of the sliding door 33, and a mounting plate 6 is arranged at the bottom end of the inside of the protection box 1.
In this embodiment, the temperature reducing mechanism 4 includes an external thread cylinder 41, a water tank 46 is disposed at an upper left corner inside the external thread cylinder 41, a first air filter screen 43 and a second air filter screen 45 are disposed at two side positions of a bottom of the water tank 46, the first air filter screen 43 filters large impurity sand particles in sucked air, a first water inlet 47 and a second water inlet 48 are disposed at an upper end of an outer surface of the water tank 46, a first water outlet 54 is disposed at a right side position of an inner bottom of the water tank 46, the water tank 46 can be used for storing bubble liquid, the bubble liquid flowing from the first water outlet 54 is expanded to a mesh to form a water film by the second air filter screen 45, a temperature reducing fan 42 is disposed inside the external thread cylinder 41, a brush plate 52 is coaxially and rotatably connected to a left side of the temperature reducing fan 42, brushes 50 made of plastic material are uniformly distributed on a left side of the brush plate 52, the brushes 52 can puncture bubbles wrapped with dust to form a water mist region for blocking dust within a certain range, the left side of the brush plate 52 is provided with a roller 49 through rotating connection, the roller 49 is positioned at the right side of the second filter screen plate 45, the roller 49 is used for evenly smearing bubble liquid adhered to the second filter screen plate 45, and the external thread cylinder 41 is in threaded connection with the third threaded hole 7.
Specifically, the third threaded hole 7 can facilitate the disassembly of the external thread cylinder 41, and the external thread cylinder 41 is convenient to clean.
In this embodiment, the fixing plates 31 are provided with two sets, the sliding door 33 is located between the two sets of fixing plates 31, the outer surface size of the sliding block 34 is matched with the inner size of the sliding chute 32, and the sliding block 34 is slidably connected with the inner portion of the sliding chute 32.
Specifically, the sliding block 34 can be more conveniently slid inside the sliding door 33 through the sliding groove 32, the sliding door 33 can be driven to move through the sliding block 34, and the inside of the protection box 1 can be repaired conveniently.
In this embodiment, the output shaft 24 is rotatably connected to the first baffle 22, there are four sets of the first threaded holes 23, there are four sets of the second threaded holes 26, and the four sets of the second threaded holes 26 are uniformly disposed at one end of the protection box 1 around the rolling bearing 25, and the positions of the first threaded holes 23 correspond to the positions of the second threaded holes 26.
Specifically, the motor main body 21 can be better fixed through the first threaded hole 23 and the second threaded hole 26, and the motor main body 21 is prevented from being vibrated to influence the use of the motor main body 21.
In this embodiment, the motor main body 21 is fixedly mounted on the upper end of the mounting plate 6.
In this embodiment, a second hexagonal screw is disposed between the mounting plate 6 and the inner bottom end of the protection box 1, and the mounting plate 6 is mounted at the inner bottom end of the protection box 1 through the second hexagonal screw.
Specifically, the motor main body 21 can be fixed at the lower end of the interior of the protection box 1 through the mounting plate 6, so that the motor main body 21 is convenient to mount.
It should be noted that, the present invention is a dc brushless motor, when in use, the output shaft 24 is inserted into the rolling bearing 25, then the motor main body 21 can be installed at the bottom end of the interior of the protection box 1 through the second hexagonal screw, at this time, the first threaded hole 23 on the first baffle 22 is aligned with the second threaded hole 26, the first hexagonal screw 27 is screwed, the motor main body 21 is fixed, the cooling fan 42 is started, the cooling fan 42 coaxially rotates the brush plate 52, the brush plate 52 has a plurality of through holes 51, the brush plate 52 rotates the roller 49 through the rotating shaft, the cooling fan 42 blows air into the protection box 1 from the outside to cool the interior of the protection box 1, when the air enters the protection box 1, the air firstly passes through the first air filter screen plate 43, the first air filter screen plate 43 filters impurity sand particles in the air, the second filter screen plate 45 uniformly wipes bubble liquid flowing down through the first water outlet 54 of the water tank 46 through the roller 49 The mesh of the filter screen plate 45 is screened, then bubble liquid attached with dust on the second filter screen plate 45 is formed into bubble bubbles through the suction force of the cooling fan 42 to take away the dust, when the bubbles enter the cavity, the bubbles are punctured through rotating the brush 50 on the brush plate 52, the dust is prevented from entering the protection box 1, at the moment, a water mist area formed at the cavity can be recycled with the bubble liquid circulated to the water tank 46 through the second water outlet 53 and the second water inlet 48, when the device inside the protection box 1 breaks down, the sliding block 34 can be pulled to slide inside the sliding groove 32 by pulling the sliding block 33, the sliding door 33 is pulled, then the internal device of the protection box 1 is repaired, and the sliding door 33 can be closed again after the repair is completed.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A brushless DC motor comprises a protection box (1), and is characterized in that: the motor protection device is characterized in that a ventilation net (5) is installed at the front end of the protection box (1), a motor fixing device (2) is arranged at one end inside the protection box (1), the motor fixing device (2) comprises a motor main body (21), an output shaft (24) is installed at one end of the motor main body (21), a first baffle plate (22) is arranged on the outer side of the output shaft (24) at one end of the motor main body (21), a first threaded hole (23) is formed in the side surface of the first baffle plate (22), a rolling bearing (25) is formed in one end inside the protection box (1), a second threaded hole (26) is formed in one end inside the protection box (1), a first hexagonal screw (27) is installed inside the second threaded hole (26), a third threaded hole (7) is formed in the other end of the protection box (1), and a cooling mechanism (4) is arranged inside the third threaded hole (7), the left side of cooling mechanism (4) is equipped with first filter (43), the right side of cooling mechanism (4) is equipped with cooling fan (42), the upper end of guard box (1) is provided with push-and-pull device (3), push-and-pull device (3) are including fixed plate (31), spout (32) have been seted up to the front end inside of fixed plate (31), the front end of fixed plate (31) is provided with push-and-pull door (33), both ends are provided with slider (34) around push-and-pull door (33), the inside bottom of guard box (1) is provided with mounting panel (6).
2. A dc brushless motor according to claim 1, wherein: the cooling mechanism (4) comprises an external thread cylinder (41), a water tank (46) is arranged at the upper left corner of the interior of the external thread cylinder (41), a first air filter screen plate (43) and a second air filter screen plate (45) are arranged at the bottom of the water tank (46), the upper end of the outer surface of the water tank (46) is provided with a first water inlet (47) and a second water inlet (48), a first water outlet (54) is arranged at the right side position of the inner bottom of the water tank (46), a cooling fan (42) is arranged in the external thread cylinder (41), a brush plate (52) is arranged on the left side of the cooling fan (42) and is coaxially and rotatably connected with the cooling fan, a roller (49) is arranged on the left side of the brush plate (52), the roller (49) is positioned on the right side of the second filter screen plate (45), the external thread cylinder (41) is in threaded connection with the third threaded hole (7).
3. A dc brushless motor according to claim 1, wherein: the fixed plate (31) is provided with two sets, and push-and-pull door (33) are located between two sets of fixed plates (31), the inside size looks adaptation of slider (34) surface size and spout (32), and the inside sliding connection of slider (34) and spout (32).
4. A dc brushless motor according to claim 1, wherein: the output shaft (24) is rotatably connected with the first baffle plate (22), four groups of first threaded holes (23) are provided, four groups of second threaded holes (26) are provided, the four groups of second threaded holes (26) are uniformly arranged at one end of the surrounding protection box (1) of the rolling bearing (25), and the positions of the first threaded holes (23) correspond to the positions of the second threaded holes (26).
5. A dc brushless motor according to claim 1, wherein: the motor main body (21) is fixedly arranged at the upper end of the mounting plate (6).
6. A dc brushless motor according to claim 1, wherein: be provided with the second hexagonal screw between the inside bottom of mounting panel (6) and guard box (1), the inside bottom at guard box (1) is installed through the second hexagonal screw in mounting panel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110757631.8A CN113472130B (en) | 2021-07-05 | 2021-07-05 | Direct current brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110757631.8A CN113472130B (en) | 2021-07-05 | 2021-07-05 | Direct current brushless motor |
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| Publication Number | Publication Date |
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| CN113472130A true CN113472130A (en) | 2021-10-01 |
| CN113472130B CN113472130B (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110757631.8A Active CN113472130B (en) | 2021-07-05 | 2021-07-05 | Direct current brushless motor |
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| Country | Link |
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| CN (1) | CN113472130B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114173537A (en) * | 2021-12-10 | 2022-03-11 | 湖南德品网络科技有限公司 | Information system integrated terminal equipment based on computer network technology |
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| CN209608486U (en) * | 2019-04-16 | 2019-11-08 | 南安辰光日用化工品有限公司 | A kind of motor with overheating protection function |
| CN209873247U (en) * | 2019-05-06 | 2019-12-31 | 嵊州市中森电子有限公司 | Weft accumulator with heat abstractor |
| CN209709817U (en) * | 2019-05-31 | 2019-11-29 | 杨亚莉 | A kind of Mechatronic motor protective device |
| CN210469039U (en) * | 2019-08-30 | 2020-05-05 | 郑州奥尔威科技有限公司 | Automatic heat dissipation dust removal motor |
| CN110784053A (en) * | 2019-12-06 | 2020-02-11 | 江苏世隆电机有限公司 | Multistage filtration formula air inlet cover for motor |
| CN212627435U (en) * | 2020-08-15 | 2021-02-26 | 常州昊通电器有限公司 | High-rotation-speed brushless DC motor |
| CN212726704U (en) * | 2020-09-08 | 2021-03-16 | 华能重庆两江燃机发电有限责任公司 | Generator is protection device for real time based on under on-line monitoring |
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| CN114173537A (en) * | 2021-12-10 | 2022-03-11 | 湖南德品网络科技有限公司 | Information system integrated terminal equipment based on computer network technology |
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| CN113472130B (en) | 2022-09-30 |
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Effective date of registration: 20220908 Address after: 518131 Room 2801-6A, 28th Floor, Xinghe WORLDF Building, No. 1 Yabao Road, Nankeng Community, Bantian Street, Longgang District, Shenzhen, Guangdong, China Applicant after: Shenzhen Badawei Operation Control Technology Co.,Ltd. Address before: 210001 room 402, building 1, kangcurie community, No. 168, Qinhong South Road, Qinhuai District, Nanjing, Jiangsu Province Applicant before: Zhang Hanyu |
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Effective date of registration: 20230517 Address after: Room 4 # -1G2, University Science Park, No. 108 Qilidian Road, Qixing District, Guilin City, Guangxi Zhuang Autonomous Region, 541000 Patentee after: Guilin Badawei Drive Technology Co.,Ltd. Address before: 518131 Room 2801-6A, 28th Floor, Xinghe WORLDF Building, No. 1 Yabao Road, Nankeng Community, Bantian Street, Longgang District, Shenzhen, Guangdong, China Patentee before: Shenzhen Badawei Operation Control Technology Co.,Ltd. |
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Denomination of invention: A DC brushless motor Granted publication date: 20220930 Pledgee: Guilin Bank Co.,Ltd. Gaoxin Branch Pledgor: Guilin Badawei Drive Technology Co.,Ltd. Registration number: Y2024980005228 |