CN111900834B - Built-in heat dissipation system for asynchronous motor - Google Patents
Built-in heat dissipation system for asynchronous motor Download PDFInfo
- Publication number
- CN111900834B CN111900834B CN202010794298.3A CN202010794298A CN111900834B CN 111900834 B CN111900834 B CN 111900834B CN 202010794298 A CN202010794298 A CN 202010794298A CN 111900834 B CN111900834 B CN 111900834B
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- fixedly connected
- plate
- ventilation hole
- motor
- end cover
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- 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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- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a built-in heat dissipation system for an asynchronous motor, which comprises a motor shell, wherein an end cover is fixedly connected to the right side of the motor shell, a rotating shaft is arranged in the middle of the motor shell, a tail bearing seat is fixedly connected to the left side of the motor shell, through holes are annularly arranged on the tail bearing seat, the rotating shaft penetrates through the middle position of the tail bearing seat, a connecting disk is fixedly connected to the tail end of the rotating shaft, fan blades are fixedly connected to the rotating shaft between the connecting disk and the tail bearing seat, connecting grooves are annularly arranged at the side end of the connecting disk, the connecting grooves are of a step-shaped structure, a connecting plate is slidably connected in the connecting grooves, four guide rods are annularly arranged at the side end of the end cover, a driving disk is slidably connected on the guide rods, first vent holes are annularly arranged on the end cover, a filter screen is arranged in each first vent hole, the invention adjusts the overlapping area between the first vent holes and the second vent holes by means of different rotating speeds of the rotating shaft, the waterproof and dustproof capacity of the motor is greatly increased.
Description
Technical Field
The invention relates to the field of asynchronous motors, in particular to a built-in heat dissipation system for an asynchronous motor.
Background
The asynchronous motor is also called an induction motor, and is an alternating current motor which generates electromagnetic torque by interaction of an air gap rotating magnetic field and induction current of a rotor winding so as to convert electromechanical energy into mechanical energy. After long-time work, the heat productivity of the matching part of the rotor and the stator is large, the heat dissipation is carried out in an air cooling mode in the prior art, and the fan drives airflow to flow inside the motor to dissipate the heat of the motor. But in order to make click inside and outside intercommunication can set up the ventilation hole, the motor still communicates with the external world at the during operation, and this makes the waterproof and dustproof ability of motor relatively poor.
Disclosure of Invention
The present invention is directed to a built-in heat dissipation system for an asynchronous motor to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a built-in heat dissipation system for an asynchronous motor comprises a motor shell, wherein an end cover is fixedly connected to the right side of the motor shell, a rotating shaft is arranged in the middle of the motor shell, the left side of the rotating shaft is fixedly connected with a rotor in the motor, a tail bearing seat is fixedly connected to the left side of the motor shell, through holes are formed in the tail bearing seat in an annular arrangement mode, the rotating shaft penetrates through the middle position of the tail bearing seat and is connected with the tail bearing seat through a bearing, a connecting disc is fixedly connected to the tail end of the rotating shaft, fan blades are fixedly connected to the rotating shaft, the connecting disc is located between the connecting disc and the tail bearing seat, connecting grooves are arranged in the annular arrangement mode at the side ends of the connecting disc and are of a stepped structure, connecting plates are connected in the connecting grooves in a sliding mode, four guide rods are arranged in the annular arrangement mode at the side ends of the end covers, a driving disc is connected to the guide rods in a sliding mode, and eight first ventilation holes are arranged in the annular arrangement mode on the end covers, every the both sides in first ventilation hole all are equipped with the spout, every all be equipped with the filter screen in the middle of the first ventilation hole, the end cover side is located every first ventilation hole department all sliding connection has the barrier plate.
Preferably, the side fixedly connected with support frame of connection pad, the support frame is L shape structure, it is connected with the lever to rotate on the support frame, the left side of lever is equipped with the slide, the right side fixedly connected with cam of lever, the cam supports and leans on the driving-disc.
Preferably, the lower extreme fixedly connected with limiting plate of connecting plate, limiting plate sliding connection is in the spread groove, the first spring of fixedly connected with between the lower extreme of limiting plate and the spread groove inner wall, the upper end fixedly connected with universal driving shaft of connecting plate, universal driving shaft sliding connection is in the slide.
Preferably, four connecting holes are annularly arranged on the driving disc, the driving disc is slidably connected with the guide rod through the connecting holes, a second spring is arranged between the driving disc and the end cover, and the second spring is wound on the guide rod.
Preferably, the lower end of the stop plate is fixedly connected with a fixed plate, a connecting rod is hinged between the lower end face of the fixed plate and the side end of the driving plate, the connecting rod is obliquely arranged, side plates are fixedly connected to two sides of each stop plate, and the side plates are slidably connected in the sliding grooves.
Preferably, the area of the upper side of the blocking plate is larger than the area of the first vent hole, each lower end of the blocking plate is provided with a second vent hole, the area of the second vent hole is the same as that of the first vent hole, and the axis of the first vent hole and the axis of the second vent hole are on the same vertical plane.
Compared with the prior art, the invention has the beneficial effects that: when the motor does not work, the blocking plate blocks the first vent hole to prevent dust and water from entering the motor, the waterproof and dustproof capacity of the motor is greatly increased, when the motor works, the rotating speed of the rotating shaft is increased along with the gradual increase of the power of the motor, when the rotating speed of the rotating shaft is increased, the centrifugal force is also increased, the connecting plate in the connecting plate overcomes the pulling force of the first spring to move outwards, the moving distance of the connecting plate is limited by the limiting plate at the lower end of the connecting plate, the connecting plate slides in the slide way when moving, the linkage shaft drives the lever to rotate, the cam at the front end of the lever extrudes the driving plate, the driving plate moves along the guide rod and compresses the second spring at the same time, the driving plate drives the blocking plate to move upwards through the connecting rod, the two sides of the blocking plate are connected with the sliding grooves through the side plates to limit the moving direction of the blocking plate, avoid the barrier plate to take place the skew when removing, the power of motor is big more then the pivot rotational speed piece more, and the distance that the barrier plate rebound is big more, and the area of coincidence is big more between first ventilation hole and the second ventilation hole for the inside and external intercommunication area increase of motor increases the radiating effect of motor.
Drawings
FIG. 1 is a schematic view of the connection structure of the apparatus;
fig. 2 is a schematic view of a three-dimensional connection structure of the end cap.
In the figure: the motor comprises a motor shell 1, an end cover 2, a tail bearing seat 3, a rotating shaft 4, a connecting disc 5, a driving disc 7, a stop plate 8, a cam 9, a connecting plate 10, a limiting plate 11, a first spring 12, a lever 13, a slideway 14, a linkage shaft 15, a support frame 16, a first vent hole 17, a filter screen 18, a connecting hole 19, a guide rod 20, a second spring 21, a chute 22, a fixing plate 23, a side plate 24, a second vent hole 25 and a connecting rod 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a built-in heat dissipation system for an asynchronous motor comprises a motor shell 1, an end cover 2 is fixedly connected to the right side of the motor shell 1, a rotating shaft 4 is arranged in the middle of the motor shell 1, the left side of the rotating shaft 4 is fixedly connected with a rotor in the motor, a tail bearing seat 3 is fixedly connected to the left side of the motor shell 1, through holes are formed in the tail bearing seat 3 in an annular arrangement mode, the rotating shaft 4 penetrates through the middle of the tail bearing seat 3, the rotating shaft 4 is connected with the tail bearing seat 3 through a bearing, a connecting disc 5 is fixedly connected to the tail end of the rotating shaft 4, fan blades 6 are fixedly connected between the connecting disc 5 and the tail bearing seat 3 through the rotating shaft 4, the fan blades 6 are driven by the rotating shaft 4 to suck outside air flow into the motor and simultaneously blow into a stator and the rotor, heat is dissipated, a connecting groove is formed in an annular arrangement mode at the side end of the connecting disc 5, the connecting groove is of a stepped structure, and is connected with a connecting plate 10 in the connecting groove in an sliding mode, four guide rods 20 are arranged at the side end of the end cover 2 in an annular mode, a driving disc 7 is connected to the guide rods 20 in a sliding mode, eight first ventilation holes 17 are arranged on the end cover 2 in an annular mode, air flow enters the motor through the first ventilation holes 17, sliding grooves 22 are formed in the two sides of each first ventilation hole 17, a filter screen 18 is arranged in the middle of each first ventilation hole 17, the filter screen 18 filters air entering through the first ventilation holes, and a blocking plate 8 is connected to the position, located at each first ventilation hole 17, of the side end of the end cover 2 in a sliding mode.
The side fixedly connected with support frame 16 of connection pad 5, support frame 16 is L shape structure, and the last rotation of support frame 16 is connected with lever 13, and the left side of lever 13 is equipped with slide 14, and the right side fixedly connected with cam 9 of lever 13, cam 9 support and lean on driving-disc 7, and lever 13 is rotating taking the rotation junction as the axle center, extrudees driving-disc 7 through cam 9 when rotatory, and cam 9 side all can reduce the friction for the arc structure.
Lower extreme fixedly connected with limiting plate 11 of connecting plate 10, limiting plate 11 sliding connection is in the spread groove, the first spring of fixedly connected with 12 between the lower extreme of limiting plate 11 and the spread groove inner wall, the upper end fixedly connected with universal driving shaft 15 of connecting plate 10, universal driving shaft 15 sliding connection is in slide 14, when the rotational speed increase of pivot 4, centrifugal force also increases, connecting plate 10 in the connection pad 5 overcomes the pulling force of first spring 12 and moves to the outside, connecting plate 10 promotes the lever 13 rotation through universal driving shaft 15, limiting plate 11 limits the distance that connecting plate 10 removed.
Four connecting holes 19 are annularly arranged on the driving disc 7, the driving disc 7 is slidably connected with the guide rod 20 through the connecting holes 19, a second spring 21 is arranged between the driving disc 7 and the end cover 2, the second spring 21 is wound on the guide rod 20, when the driving disc 7 is extruded by the cam 9, the driving disc 7 moves along the guide rod 20, meanwhile, the second spring 21 is compressed, and the second spring 21 can enable the driving disc 7 to restore to the original position.
Lower extreme fixedly connected with fixed plate 23 of barrier plate 8, the articulated connecting rod 26 that is connected with between the lower terminal surface of fixed plate 23 and the side of driving-disc 7, connecting rod 26 slope sets up, every barrier plate 8's both sides are fixedly connected with curb plate 24, curb plate 24 sliding connection is in spout 22, driving-disc 7 drives barrier plate 8 rebound through connecting rod 26 when removing, curb plate 24 restricts barrier plate 8's moving direction, avoid barrier plate 8 to take place the skew when removing.
The area of 8 upsides of barrier plate is greater than first ventilation hole 17 area, the lower extreme of every barrier plate 8 all is equipped with second ventilation hole 25, second ventilation hole 25 area is the same with first ventilation hole 17 area size, the axis of first ventilation hole 17 and the axis of second ventilation hole 25 are on same vertical plane, when the barrier plate upwards moves gradually, the area of coincidence is big more until the complete coincidence between first ventilation hole and the second ventilation hole, the inside and external intercommunication area of motor is the biggest this moment, the radiating effect is the best.
The working principle is as follows: when the motor does not work, the blocking plate 8 blocks the first vent hole 17 to prevent dust and water from entering the motor, the waterproof and dustproof capacity of the motor is greatly increased, when the motor works, the rotating speed of the rotating shaft 4 is increased along with the gradual increase of the power of the motor, when the rotating speed of the rotating shaft 4 is increased, the centrifugal force is also increased, the connecting plate 10 in the connecting plate 5 overcomes the pulling force of the first spring 12 to move outwards, the limiting plate 11 at the lower end of the connecting plate 10 limits the moving distance of the connecting plate 10, the linkage shaft 15 slides in the slideway 14 when the connecting plate 10 moves, the linkage shaft 15 drives the lever 13 to rotate by taking the rotating connection part as the axle center, the cam 9 at the front end of the lever 13 extrudes the driving plate 7, the driving plate 7 moves along the guide rod 20 and compresses the second spring 21, and the driving plate 7 drives the blocking plate 8 to move upwards through the connecting rod 26, curb plate 24 and spout 22 sliding connection are passed through to the both sides of barrier plate 8, restrict the moving direction of barrier plate 8, avoid barrier plate 8 to take place the skew when removing, the power of motor is big more then 4 rotational speeds of pivot block more, the distance that barrier plate 8 upwards moved is big more, the area of coincidence is big more between first ventilation hole 17 and the second ventilation hole 25 for inside and external intercommunication area increase of motor increases the radiating effect of motor.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A built-in cooling system for an asynchronous machine, comprising a machine housing (1), characterized in that: the right side fixedly connected with end cover (2) of motor housing (1), be equipped with pivot (4) in the middle of motor housing (1), rotor fixed connection in pivot (4) left side and the motor, motor housing (1) left side fixedly connected with tail bearing frame (3), ring arrangement has the through-hole on tail bearing frame (3), pivot (4) run through tail bearing frame (3) intermediate position, pivot (4) are connected through bearing and tail bearing frame (3), pivot (4) tail end fixedly connected with connection pad (5), pivot (4) are located fixedly connected with flabellum (6) between connection pad (5) and tail bearing frame (3), connection pad (5) side ring arrangement has the spread groove, the spread groove is stepped structure, sliding connection has connecting plate (10) in the spread groove, end cover (2) side ring arrangement has four guide bars (20), a driving disc (7) is connected onto the guide rod (20) in a sliding manner, eight first ventilation holes (17) are annularly arranged on the end cover (2), sliding grooves (22) are formed in two sides of each first ventilation hole (17), a filter screen (18) is arranged in the middle of each first ventilation hole (17), and a blocking plate (8) is connected to the side end of the end cover (2) at each first ventilation hole (17) in a sliding manner;
a supporting frame (16) is fixedly connected to the side end of the connecting disc (5), the supporting frame (16) is of an L-shaped structure, a lever (13) is rotatably connected to the supporting frame (16), a slide way (14) is arranged on the left side of the lever (13), a cam (9) is fixedly connected to the right side of the lever (13), and the cam (9) abuts against the driving disc (7);
the lower end of the connecting plate (10) is fixedly connected with a limiting plate (11), and the limiting plate (11) is connected in the connecting groove in a sliding manner;
a first spring (12) is fixedly connected between the lower end of the limiting plate (11) and the inner wall of the connecting groove, a linkage shaft (15) is fixedly connected to the upper end of the connecting plate (10), and the linkage shaft (15) is connected into the slide way (14) in a sliding manner;
and a second spring (21) is arranged between the driving disc (7) and the end cover (2), and the second spring (21) is wound on the guide rod (20).
2. The built-in heat dissipation system for an asynchronous machine according to claim 1, characterized in that: four connecting holes (19) are annularly arranged on the driving disc (7), and the driving disc (7) is connected with the guide rod (20) in a sliding mode through the connecting holes (19).
3. The built-in heat dissipation system for an asynchronous machine according to claim 1, characterized in that: the lower extreme fixedly connected with fixed plate (23) of baffling plate (8), the articulated connecting rod (26) that is connected with between the lower terminal surface of fixed plate (23) and the side of driving-disc (7), connecting rod (26) slope sets up, every the both sides of baffling plate (8) are fixedly connected with curb plate (24), curb plate (24) sliding connection is in spout (22).
4. The built-in heat dissipation system for an asynchronous motor according to claim 1, wherein: the area of barrier plate (8) upside is greater than first ventilation hole (17) area, every the lower extreme of barrier plate (8) all is equipped with second ventilation hole (25), second ventilation hole (25) area and first ventilation hole (17) area size are the same, the axis of first ventilation hole (17) and the axis of second ventilation hole (25) are on same vertical plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010794298.3A CN111900834B (en) | 2020-08-10 | 2020-08-10 | Built-in heat dissipation system for asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010794298.3A CN111900834B (en) | 2020-08-10 | 2020-08-10 | Built-in heat dissipation system for asynchronous motor |
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| Publication Number | Publication Date |
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| CN111900834A CN111900834A (en) | 2020-11-06 |
| CN111900834B true CN111900834B (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010794298.3A Active CN111900834B (en) | 2020-08-10 | 2020-08-10 | Built-in heat dissipation system for asynchronous motor |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115603498B (en) * | 2022-11-14 | 2023-10-03 | 江苏微特利电机股份有限公司 | Built-in elastic heat dissipation device of motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832754A (en) * | 2018-05-31 | 2018-11-16 | 深圳市中科智诚科技有限公司 | New energy automobile motor a kind of dust-proof and that output is stable |
| CN209748387U (en) * | 2019-03-29 | 2019-12-06 | 宁波市兴宇电机制造有限公司 | DC brushless motor for built-in coating machine |
| CN210380463U (en) * | 2019-10-31 | 2020-04-21 | 深圳市德强电机有限公司 | Electric motor with dustproof construction |
| CN210985793U (en) * | 2019-07-19 | 2020-07-10 | 霍磊 | Motor shield for coal mine electromechanical equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7122924B2 (en) * | 2005-02-14 | 2006-10-17 | Asia Vital Component Co., Ltd. | Rotor device capable of forcing heat dissipation |
| JP4904894B2 (en) * | 2005-04-21 | 2012-03-28 | 日本電産株式会社 | Axial fan |
| CN207978243U (en) * | 2018-04-03 | 2018-10-16 | 淮阴师范学院 | A kind of radiator based on inserted electronics core |
| CN209088706U (en) * | 2018-11-23 | 2019-07-09 | 鼎思科技(天津)有限公司 | A kind of heat dissipation denoising device of mobile generator |
| CN210321104U (en) * | 2019-06-17 | 2020-04-14 | 丹阳市新联汽车配件有限公司 | Exhaust heat dissipation device of dryer |
-
2020
- 2020-08-10 CN CN202010794298.3A patent/CN111900834B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832754A (en) * | 2018-05-31 | 2018-11-16 | 深圳市中科智诚科技有限公司 | New energy automobile motor a kind of dust-proof and that output is stable |
| CN209748387U (en) * | 2019-03-29 | 2019-12-06 | 宁波市兴宇电机制造有限公司 | DC brushless motor for built-in coating machine |
| CN210985793U (en) * | 2019-07-19 | 2020-07-10 | 霍磊 | Motor shield for coal mine electromechanical equipment |
| CN210380463U (en) * | 2019-10-31 | 2020-04-21 | 深圳市德强电机有限公司 | Electric motor with dustproof construction |
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| CN111900834A (en) | 2020-11-06 |
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