CN113036985B - Electromagnetic braking three-phase asynchronous motor - Google Patents
Electromagnetic braking three-phase asynchronous motor Download PDFInfo
- Publication number
- CN113036985B CN113036985B CN202110276018.4A CN202110276018A CN113036985B CN 113036985 B CN113036985 B CN 113036985B CN 202110276018 A CN202110276018 A CN 202110276018A CN 113036985 B CN113036985 B CN 113036985B
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- machine body
- wall
- blocking plate
- dust
- fan
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- 230000000903 blocking effect Effects 0.000 claims abstract description 70
- 230000017525 heat dissipation Effects 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims description 27
- 238000003466 welding Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 31
- 238000009825 accumulation Methods 0.000 abstract description 12
- 238000009792 diffusion process Methods 0.000 abstract description 7
- 239000003245 coal Substances 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract description 4
- 239000002817 coal dust Substances 0.000 abstract description 2
- 230000000717 retained effect Effects 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002000 scavenging effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005855 radiation Effects 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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- B08B1/32—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- 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
Abstract
The invention discloses an electromagnetic braking three-phase asynchronous motor, which structurally comprises a base, a machine body and a bearing, wherein the machine body is horizontally welded at the top of the base, the bearing is connected and installed at the right end of the machine body, the machine body is provided with a rotor, a stator, a fan, heat dissipation holes and a blocking mechanism, as a large amount of coal dust is contained in a coal mine factory, when the motor stops operating, external air flow and dust are introduced into the machine body along the heat dissipation holes, and contact with the bottom in the heat dissipation holes through the up-and-down movement of a blocking plate of the blocking mechanism, the dust outside the machine body can be blocked, the dust is reduced from entering the machine body along the heat dissipation holes, the outer wall of the fan is kept clean, the bearing force of the fan is reduced, the rotating speed of the fan can be accelerated, the heat diffusion inside the machine body is accelerated, as the dust is easy to be retained on the right side surface of the blocking plate, the dust on the right side surface of the blocking plate is removed through a removing piece in a removing block, the dust accumulation can be reduced, the gravity of the blocking plate is slowed down, and the up-and-down movement speed of the blocking plate is accelerated.
Description
Technical Field
The invention belongs to the field of motors, and particularly relates to an electromagnetic braking three-phase asynchronous motor.
Background
The three-phase asynchronous motor enables the rotor and the stator to rotate in the same direction by connecting a 380V three-phase alternating current power supply so as to drive the bearing to rotate, and as the motor generates a large amount of heat during working, radiating holes are formed in the back of the machine body in order to accelerate heat radiation, so that an internal fan rotates to drive hot air to flow to the radiating holes to be diffused; when adopting three-phase asynchronous motor to provide power among the prior art, when three-phase asynchronous motor installed when the coal mine factory, because contain a large amount of coal dust in the coal mine factory, when the motor stopped operating, outside air current and dust let in toward organism inside along the louvre, and are detained at the fan outer wall, lead to the holding capacity of fan to strengthen, and the slew velocity slows down, cause the inside heat diffusion of motor to slow down.
Disclosure of Invention
In order to solve the problems that when the three-phase asynchronous motor is used for providing power, and when the three-phase asynchronous motor is installed in a coal mine plant, when the motor stops running, external air flow and dust are led into the machine body along the heat dissipation holes and are retained on the outer wall of the fan, the bearing capacity of the fan is increased, the rotating speed is reduced, and the heat diffusion in the motor is reduced, the three-phase asynchronous motor with the electromagnetic brake function is provided.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an electromagnetic braking three-phase asynchronous motor, its structure includes base, organism, bearing, organism horizontal welding is at the base top, the bearing links up and installs at the organism right-hand member.
The machine body is provided with a rotor, a stator, a fan, heat dissipation holes and a blocking mechanism, wherein the rotor is located in the center of the interior of the machine body, the bearing penetrates through the middles of the two ends of the rotor, the stator is installed on the outer wall of the rotor, the fan is arranged inside the right end of the machine body and movably matched with the bearing, the heat dissipation holes penetrate through the inner wall and the outer wall of the right side of the machine body, and the blocking mechanism is fixed at the tops of the heat dissipation holes.
As a further improvement of the invention, the blocking mechanism is provided with a frame, a pull rod, a tooth rod, two gears, a blocking plate and two clearing blocks, wherein the frame is positioned outside the blocking mechanism, the tooth rod is arranged in the middle of the frame, the pull rod is vertically arranged between the top of the pull rod and the inner wall of the top end of the frame, the gears are connected and arranged in the middle of the inner walls of the two sides of the frame and matched with the tooth rod through teeth, the blocking plate is fixed at the bottom end of the tooth rod, the clearing blocks are sleeved on the inner wall of the middle-lower part of the right side of the frame, and the two gears are symmetrically distributed.
As a further improvement of the invention, the blocking plate is provided with an accumulation cavity, a clamping groove, three spring strips and three magnetic blocks, the accumulation cavity is arranged on the right side face of the middle lower part of the blocking plate, the clamping groove is sunken in the bottom face of the blocking plate, the magnetic blocks are sleeved on the bottom of the clamping groove, the spring strips are arranged between the top of the magnetic blocks and the inner wall of the clamping groove, and the left side face of the blocking plate is an uneven surface.
As a further improvement of the invention, the stacking cavity is provided with a limiting block, a clamping plate, a connecting shaft and a limiting strip, the limiting block and the outer wall of the right end of the stacking cavity are connected into a whole, the clamping plate is connected and installed at the inner top of the right end of the stacking cavity through the connecting shaft, the limiting strip is connected between the top of the clamping plate and the inner wall of the stacking cavity, and the top surface of the clamping plate is in a convex arc surface shape.
As a further improvement of the invention, the cleaning block is provided with a supporting plate, a cleaning ring, telescopic rods and two air cavities, wherein the supporting plate is positioned on the right side of the cleaning block, the cleaning ring is arranged on the left side of the supporting plate through the telescopic rods, the air cavities are arranged between the cleaning ring and the supporting plate, and the two telescopic rods are vertically and symmetrically distributed.
As a further improvement of the invention, the cleaning ring is provided with four exhaust holes and four cleaning rollers, the exhaust holes penetrate through the two side surfaces of the cleaning ring, the cleaning rollers are connected and arranged at the center of the right side surface of the cleaning ring, and the exhaust holes are vertically and symmetrically distributed.
As a further improvement of the invention, the clearing roller is provided with a roller body, a pushing strip and a clearing piece, the roller body is arranged in the middle of the clearing roller, the clearing piece is arranged on the outer wall of the roller body through the pushing strip, and the outer wall of the clearing piece is a rough surface.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1. because contain a large amount of coal dusts in the coal mine factory, when the motor stopped operating, outside air current and dust let in along the louvre toward the organism is inside, and the barrier plate through stop mechanism reciprocates and the bottom contact in the louvre, can block the outside dust of organism, reduces inside the dust enters into the organism along the louvre, keeps the fan outer wall clean and tidy, slows down the bearing capacity of fan, can accelerate fan slew velocity for the inside heat diffusion of organism.
2. Because the dust is easy to be detained at the right side face of the blocking plate, the dust on the right side face of the blocking plate is removed through the removing piece in the removing block, the dust accumulation can be reduced, the gravity of the blocking plate is reduced, and the up-and-down movement speed of the blocking plate is accelerated.
Drawings
Fig. 1 is a schematic structural diagram of an electromagnetic braking three-phase asynchronous motor according to the present invention.
Fig. 2 is a schematic structural view of a cross section of a side of the machine body of the present invention.
FIG. 3 is a side cross-sectional structural schematic view of a blocking mechanism according to the present invention.
Fig. 4 is a schematic side sectional structural view of a barrier plate according to the present invention.
FIG. 5 is a schematic diagram of a side view of the interior of a stacking chamber according to the present invention.
Fig. 6 is a side sectional structural schematic view of a removing block according to the present invention.
FIG. 7 is a side view of a clearing ring according to the present invention.
FIG. 8 is a side view of a stripper roll of the present invention.
In the figure: base-1, machine body-2, bearing-3, rotor-21, stator-22, fan-23, heat dissipation hole-24, blocking mechanism-25, frame-a 1, pull rod-a 2, tooth rod-a 3, gear-a 4, blocking plate-a 5, clearing block-a 6, accumulation cavity-s 1, clamping groove-s 2, spring strip-s 3, magnetic block-s 4, limiting block-d 1, clamping plate-d 2, connecting shaft-d 3, limiting strip-d 4, supporting plate-e 1, clearing ring-e 2, telescopic rod-e 3, air cavity-e 4, exhaust hole-r 1, clearing roller-r 2, roller body-t 1, pushing strip-t 2 and clearing sheet-t 3.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in figures 1 to 5:
the invention provides an electromagnetic braking three-phase asynchronous motor which structurally comprises a base 1, a machine body 2 and a bearing 3, wherein the machine body 2 is horizontally welded to the top of the base 1, and the bearing 3 is installed at the right end of the machine body 2 in a connected mode.
The blocking mechanism 25 is provided with a frame a1, a pull rod a2, a tooth rod a3, a gear a4, a blocking plate a5 and a clearing block a6, the frame a1 is located outside the blocking mechanism 25, the tooth rod a3 is arranged in the middle of the frame a1, the pull rod a2 is vertically installed between the top of the pull rod a2 and the inner wall of the top end of the frame a1, the gear a4 is installed in the middle of the inner walls of the two sides of the frame a1 in a connecting mode and is matched with the tooth rod a3 through teeth, the blocking plate a5 is fixed at the bottom end of the tooth rod a3, the clearing block a6 is sleeved on the inner wall of the middle and lower portion of the right side of the frame a1, the gear a4 is provided with two symmetrically distributed and is movably matched with the tooth rod a3, so that the tooth rod a3 is uniformly stressed, the blocking plate a5 keeps the same horizontal angle, and the pull rods a2 are provided with two pull rods 3 uniformly stressed, and the tooth rods can be reset speed of the tooth 3 a can be increased.
The blocking plate a5 is provided with a stacking cavity s1, a clamping groove s2, a spring strip s3 and a magnetic block s4, the stacking cavity s1 is arranged on the right side face of the middle lower portion of the blocking plate a5, the clamping groove s2 is recessed in the bottom face of the blocking plate a5, the magnetic block s4 is sleeved at the bottom of the clamping groove s2, the spring strip s3 is installed between the top of the magnetic block s4 and the inner wall of the clamping groove s2, the left side face of the blocking plate a5 is an uneven surface, the stressed area of the left side face of the blocking plate a5 can be increased, the blocking plate a5 is accelerated to move upwards under the thrust of airflow diffused by the heat dissipation holes 24, the number of the magnetic blocks s4 is three, the thrust of the magnetic block s4 which is expected to be repelled by the internal magnetic field of the machine body 2 can be increased, and the reset speed of the blocking plate a5 can be further increased.
The stacking cavity s1 is provided with a limiting block d1, a clamping plate d2, a connecting shaft d3 and a limiting strip d4, the limiting block d1 is connected with the outer wall of the right end of the stacking cavity s1 into a whole, the clamping plate d2 is connected with the inner top of the right end of the stacking cavity s1 through the connecting shaft d3, the limiting strip d4 is connected between the top of the clamping plate d2 and the inner wall of the stacking cavity s1, the top surface of the clamping plate d2 is in a convex arc-surface shape, resistance of the top of the clamping plate d2 to dust can be reduced, and the dust is accelerated to flow to the inside of the stacking cavity s1 along the surface of the clamping plate d 2.
The specific use mode and function of the embodiment are as follows:
in the invention, a machine body 2 of a motor is connected with three-phase alternating current, a rotor 21 and a stator 22 are electrified to generate magnetic force to be movably matched and rotated, so that a bearing 3 is driven to rotate, the bearing 3 drives a fan 23 to rotate, hot air in the machine body 2 is diffused along heat dissipation holes 24, when the motor runs, a magnetic block s4 at the bottom of a blocking plate a5 in a blocking mechanism 25 generates repulsive thrust with a magnetic field in the machine body 2, the magnetic block and the magnetic field move upwards under the thrust of the air flow, the groove on the left side of the blocking plate a5 is pushed upwards by the air flow, the blocking plate a5 pushes a tooth rod a3 to be movably matched with a gear a4, a pull rod a2 pulls up the tooth rod a3, the moving speed of the blocking plate a5 is accelerated, the heat dissipation holes a5 enter a frame a1, the heat dissipation holes 24 are smooth, the hot air flow is diffused along the gear a4, when the motor stops running, the blocking plate a5 pulls the tooth rod a3 downwards under the action of self gravity, the blocking plate a5 gradually moves downwards to be attached to the bottom in the heat dissipation hole 24, so that the heat dissipation hole 24 is closed, dust can be blocked, the dust is prevented from entering the inside of the machine body 2, the dust is blocked on the outer wall of the blocking plate a5, when the blocking plate a5 moves upwards, the dust on the right side face of the blocking plate a5 is removed by the removing block a6 and slides to the inside of the accumulation cavity s1 along the surface of the clamping plate d2 of the accumulation cavity s1 for collection, the limiting strip d4 pulls the clamping plate d2 to be attached to the inner wall of the accumulation cavity s1 by taking the connecting shaft d3 as a fulcrum, the dust inside the accumulation cavity s1 is blocked, the dust backflow heat dissipation hole in the accumulation cavity s1 is reduced, the limiting block is performed on the clamping plate d2 by the limiting block d1, the blocking plate a5 of the blocking mechanism 25 moves upwards and contacts with the bottom in the machine body 24, the dust outside of the machine body 2 can be blocked, the dust is reduced from entering the inside of the machine body 2 along the machine body 2, the outer wall of the fan 23 is kept clean and the outer wall of the fan 23 is stressed tidiness, the rotating speed of the fan 23 can be increased, and the heat diffusion inside the machine body 2 can be increased.
Example 2:
as shown in fig. 6 to 8:
the cleaning block a6 is provided with a supporting plate e1, a cleaning ring e2, an expansion link e3 and an air chamber e4, the supporting plate e1 is positioned on the right side of the cleaning block a6, the cleaning ring e2 is mounted on the left side of the supporting plate e1 through an expansion link e3, the air chamber e4 is arranged between the cleaning ring e2 and the supporting plate e1, the expansion links e3 are arranged in a vertically symmetrical distribution mode, the moving speed of the cleaning ring e2 can be increased, and the air flow diffusion inside the air chamber e4 can be increased.
Wherein, clearance ring e2 is equipped with exhaust hole r1, scavenging roller r2, exhaust hole r1 runs through clearance ring e2 both sides surface, scavenging roller r2 links up and installs and put at clearance ring e2 right flank central point, exhaust hole r1 is equipped with four, is upper and lower symmetric distribution, can increase the diffusion area of air current, and the dust that evenly will block board a5 right flank to be detained blows and drops, alleviates the holding capacity of blocking board a5 for the removal rate of blocking board a 5.
The cleaning roller r2 is provided with a roller body t1, a pushing strip t2 and a cleaning sheet t3, the roller body t1 is arranged in the middle of the cleaning roller r2, the cleaning sheet t3 is arranged on the outer wall of the roller body t1 through the pushing strip t2, the outer wall of the cleaning sheet t3 is a rough surface, and dust on the right side face of the blocking plate a5 can be cleaned and dropped off fully by the cleaning sheet t 3.
The specific use mode and function of the embodiment are as follows:
in the invention, when the blocking plate a5 moves towards the inside of the frame a1, the telescopic rod e3 in the removing block a6 pushes the removing ring e2 to the right side face of the blocking plate a5, dust on the outer wall of the blocking plate a5 is removed through the removing sheet t3 in the removing roller r2, the pushing strip t2 drives the removing sheet t3 to vibrate by taking the roller body t1 as a fulcrum, so that the dust on the outer wall of the removing sheet t3 shakes and falls into the accumulation cavity s1 for collection, the removing ring e2 is pushed and contracted by the pushing force of the blocking plate a5, the air flow in the air cavity e4 is diffused along the air exhaust hole r1, the air flow blows and falls the dust which is not completely fallen on the right side face of the blocking plate a5, and the dust on the right side face of the blocking plate a5 is removed through the removing sheet t3 in the removing block a6, so that dust accumulation can be reduced, the gravity of the blocking plate a5 and the speed of the blocking plate a5 can be accelerated.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (5)
1. The utility model provides an electromagnetic braking three-phase asynchronous motor, its structure includes base (1), organism (2), bearing (3), organism (2) horizontal welding is at base (1) top, bearing (3) link up and install at organism (2) right-hand member, its characterized in that:
the fan-type fan-shaped motor is characterized in that the machine body (2) is provided with a rotor (21), a stator (22), a fan (23), heat dissipation holes (24) and a blocking mechanism (25), the rotor (21) is located in the center of the interior of the machine body (2), the bearing (3) penetrates through the middles of two ends of the rotor (21), the stator (22) is installed on the outer wall of the rotor (21), the fan (23) is arranged inside the right end of the machine body (2) and is movably matched with the bearing (3), the heat dissipation holes (24) penetrate through the inner wall and the outer wall of the right side of the machine body (2), and the blocking mechanism (25) is fixed to the top of the interior of the heat dissipation holes (24);
the blocking mechanism (25) is provided with a frame (a1), a pull rod (a2), a tooth rod (a3), a gear (a4), a blocking plate (a5) and a clearing block (a6), the frame (a1) is located outside the blocking mechanism (25), the tooth rod (a3) is arranged in the middle of the inside of the frame (a1), the pull rod (a2) is vertically installed between the top of the pull rod (a2) and the inner wall of the top end of the frame (a1), the gear (a4) is connected and installed in the middle of the inner walls of two sides of the frame (a1) and matched with the tooth rod (a3) through teeth, the blocking plate (a5) is fixed at the bottom end of the tooth rod (a3), and the clearing block (a6) is sleeved on the inner wall of the middle and lower portion of the right side of the frame (a 1);
the magnetic block(s) is characterized in that the blocking plate (a5) is provided with a stacking cavity (s1), a clamping groove (s2), a spring strip (s3) and a magnetic block (s4), the stacking cavity (s1) is arranged on the right side face of the middle lower portion of the blocking plate (a5), the clamping groove (s2) is recessed in the bottom face of the blocking plate (a5), the magnetic block (s4) is sleeved at the bottom in the clamping groove (s2), and the spring strip (s3) is installed between the top of the magnetic block (s4) and the inner wall of the clamping groove (s 2).
2. An electromagnetic braking three-phase asynchronous machine according to claim 1, characterized in that: pile up chamber (s1) and be equipped with stopper (d1), cardboard (d2), connecting axle (d3), spacing strip (d4), stopper (d1) and pile up chamber (s1) right-hand member outer wall and link as an organic wholely, top in pile up chamber (s1) right-hand member is installed in cardboard (d2) through connecting axle (d3) linking, spacing strip (d4) are connected between cardboard (d2) top and pile up chamber (s1) inner wall.
3. An electromagnetic braking three-phase asynchronous machine according to claim 1, characterized in that: the cleaning block (a6) is provided with a supporting plate (e1), a cleaning ring (e2), an expansion link (e3) and an air cavity (e4), the supporting plate (e1) is positioned on the right side of the cleaning block (a6), the cleaning ring (e2) is installed on the left side of the supporting plate (e1) through the expansion link (e3), and the air cavity (e4) is arranged between the cleaning ring (e2) and the supporting plate (e 1).
4. An electromagnetic braking three-phase asynchronous machine according to claim 3, characterized in that: clear away ring (e2) is equipped with exhaust hole (r1), clear away roller (r2), exhaust hole (r1) run through clear ring (e2) both sides surface, clear away roller (r2) link up and install in clear away ring (e2) right flank central point and put.
5. An electromagnetic braking three-phase asynchronous machine according to claim 4, characterized in that: clear away roller (r2) is equipped with roll body (t1), pushes away strip (t2), clears away piece (t3), roll body (t1) are established at clear away roller (r2) middle part, it installs at roll body (t1) outer wall through pushing away strip (t2) to clear away piece (t 3).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110276018.4A CN113036985B (en) | 2021-03-15 | 2021-03-15 | Electromagnetic braking three-phase asynchronous motor |
| PCT/CN2021/083987 WO2022193361A1 (en) | 2021-03-15 | 2021-03-30 | Electromagnetic brake three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110276018.4A CN113036985B (en) | 2021-03-15 | 2021-03-15 | Electromagnetic braking three-phase asynchronous motor |
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| Publication Number | Publication Date |
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| CN113036985A CN113036985A (en) | 2021-06-25 |
| CN113036985B true CN113036985B (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110276018.4A Active CN113036985B (en) | 2021-03-15 | 2021-03-15 | Electromagnetic braking three-phase asynchronous motor |
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| CN (1) | CN113036985B (en) |
| WO (1) | WO2022193361A1 (en) |
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| CN116979739B (en) * | 2023-08-07 | 2024-03-26 | 上海大速科技有限公司 | Flameproof three-phase asynchronous motor with tightness detection function |
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| CN112436646B (en) * | 2020-11-16 | 2021-11-16 | 温岭市东菱电机有限公司 | Permanent magnet motor |
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- 2021-03-15 CN CN202110276018.4A patent/CN113036985B/en active Active
- 2021-03-30 WO PCT/CN2021/083987 patent/WO2022193361A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149847A (en) * | 2018-10-24 | 2019-01-04 | 江苏金彭车业有限公司 | A kind of electronic automobile-used dust-proof motor |
| CN210744892U (en) * | 2019-10-22 | 2020-06-12 | 丹阳市广源线缆电器有限公司 | Dustproof motor |
| CN211063075U (en) * | 2019-10-24 | 2020-07-21 | 天津市昊焜电力工程股份有限公司 | Electric power cabinet convenient to heat dissipation |
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| CN211428716U (en) * | 2019-12-13 | 2020-09-04 | 袁玲苑 | Novel compact drawer type electric appliance cabinet device |
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| Publication number | Publication date |
|---|---|
| WO2022193361A1 (en) | 2022-09-22 |
| CN113036985A (en) | 2021-06-25 |
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