CN111697744A - High-power three-phase motor capable of quickly radiating heat - Google Patents
High-power three-phase motor capable of quickly radiating heat Download PDFInfo
- Publication number
- CN111697744A CN111697744A CN202010632276.7A CN202010632276A CN111697744A CN 111697744 A CN111697744 A CN 111697744A CN 202010632276 A CN202010632276 A CN 202010632276A CN 111697744 A CN111697744 A CN 111697744A
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- China
- Prior art keywords
- phase motor
- shell
- end cover
- rear end
- air outlet
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a high-power three-phase motor capable of quickly dissipating heat, which comprises a shell, wherein a front end cover and a rear end cover are respectively arranged at two ends of the shell, a front end bearing is arranged in the front end cover, a rear end bearing is arranged in the rear end cover, a main shaft with one end extending out of the front end cover is rotatably connected onto the front end bearing and the rear end bearing, a rotor core is arranged on the main shaft, a stator core matched with the rotor core is arranged on the inner wall of the shell, an air inlet is formed in the side surface of the front end cover, an air outlet is formed in the rear end cover, and a backward tilting centrifugal fan connected with the shell is covered on the air; the backward-inclined centrifugal fan comprises a tailstock, a side wall connected with the shell is arranged on the tailstock, a heat exhaust air outlet is formed in the side wall, a motor is fixed on the tailstock, and a centrifugal wind wheel is arranged on a shell of the motor. The three-phase motor has the characteristics of good heat dissipation effect, long service life, safety and reliability, perfect overall function and strong practicability.
Description
Technical Field
The invention relates to the technical field of motor manufacturing, in particular to a high-power three-phase motor capable of quickly dissipating heat.
Background
The three-phase motor is an alternating current motor driven by three-phase alternating current, and includes a three-phase synchronous motor and a three-phase asynchronous motor. This type of ac motor is referred to as a three-phase stator winding of the motor (each separated by 120 degrees in electrical degrees). Wherein, the three-phase motor also comprises a direct current motor.
At present, along with the increase of manufacturing power, the three-phase motor can generate a large amount of heat energy in a machine body in the use process, and when the motor is in a high-temperature and high-heat state for a long time, use faults or damage can be easily caused, the service life of the whole motor is greatly reduced, and the whole effect is poor. Accordingly, the invention provides a high-power three-phase motor capable of quickly dissipating heat.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a high-power three-phase motor capable of quickly radiating heat, which has the characteristics of good heat radiating effect, long service life, safety and reliability.
In order to solve the technical problem, the invention aims to realize that: the invention relates to a high-power three-phase motor capable of quickly dissipating heat, which comprises a shell, wherein a front end cover and a rear end cover are respectively arranged at two ends of the shell, a front end bearing is arranged in the front end cover, a rear end bearing is arranged in the rear end cover, a main shaft with one end extending out of the front end cover is rotatably connected onto the front end bearing and the rear end bearing, a rotor core is arranged on the main shaft, a stator core matched with the rotor core is arranged on the inner wall of the shell, an air inlet is formed in the side surface of the front end cover, an air outlet is formed in the rear end cover, and a backward tilting centrifugal fan connected with the shell is covered on the.
The invention is further configured to: the backward-inclined centrifugal fan comprises a tailstock, a side wall connected with the shell is arranged on the tailstock, a heat exhaust air outlet is formed in the side wall, a motor is fixed on the tailstock, and a centrifugal wind wheel is arranged on a shell of the motor.
The invention is further configured to: the centrifugal wind wheel comprises a front retaining ring and a rear retaining ring, a plurality of guide vanes distributed in an annular array are arranged between the front retaining ring and the rear retaining ring, and the front retaining ring is provided with a first closing end extending forwards.
The invention is further configured to: the guide vane is arc surface shaped.
The invention is further configured to: the air outlet is provided with a flow guide ring, the flow guide ring is provided with a second closed end extending backwards, and the second closed end is matched with the first closed end.
The invention is further configured to: the heat exhaust air outlet is covered with a first grid.
The invention is further configured to: and the air inlet is covered with a second grid.
The invention is further configured to: and the air inlet is covered with a filtering device.
The invention is further configured to: and a lifting ring is arranged at the top of the shell.
In conclusion, the invention has the following beneficial effects: the invention relates to a high-power three-phase motor capable of quickly dissipating heat, which is characterized in that an air inlet is formed in a front end cover, an air outlet is formed in a rear end cover, and a backward tilting centrifugal fan covering the air outlet forms negative pressure in a shell to extract heat and discharge the heat along a heat-extraction air outlet, so that the temperature rise of the whole motor is slowed down, good heat dissipation is achieved, the service life of the whole motor is prolonged, the whole function is complete, and the practicability is high.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of a portion of the structure of the present invention;
fig. 4 is a schematic structural view of a backward inclined centrifugal fan embodying the present invention.
Detailed Description
In order that those skilled in the art will better understand the novel teachings of the present invention, preferred embodiments of the present invention are described below with reference to specific examples, but it should be understood that these descriptions are only intended to further illustrate the features and advantages of the present invention, and not to limit the patent claims of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention will be further described with reference to the accompanying drawings and preferred embodiments.
Example 1
Referring to fig. 1 and 2, the high-power three-phase motor with rapid heat dissipation according to the present embodiment includes a casing 1, a front end cover 2 and a rear end cover 3 are respectively disposed at two ends of the casing 1, a front end bearing 4 is disposed in the front end cover 2, a rear end bearing 5 is disposed in the rear end cover 3, a main shaft 6 having one end extending out of the front end cover 2 is rotatably connected to the front end bearing 4 and the rear end bearing 5, a rotor core 7 is disposed on the main shaft 6, a stator core 8 matching the rotor core 7 is disposed on an inner wall of the casing 1, an air inlet 9 is disposed on a side surface of the front end cover 2, an air outlet 10 is disposed inside the rear end cover 3, and a backward-tilting centrifugal fan 11 connected to the casing 1 is covered on the air outlet 10.
In this embodiment, the air inlet 9 is formed in the front end cover 2, the air outlet 10 is formed in the rear end cover 3, and the backward inclined centrifugal fan 11 covering the air outlet 10 is operated to form negative pressure inside the casing 1, so that heat is drawn from the inside of the casing 1 to the inside of the backward inclined centrifugal fan 11 and discharged from the backward inclined centrifugal fan 11. The conventional wind wheel is arranged on the main shaft 6 extending out of the rear end cover 3, when the main shaft 6 stops rotating, heat dissipation of the machine body cannot be achieved, and airflow does not pass through the interior of the machine body and is limited in heat dissipation. And the interior does not have the convection current, and the blowing of table body does not reach better radiating effect, uses the limitation.
Among them, the backward-inclined centrifugal fan 11 can generate a strong negative pressure to assist the carrying away of the gas.
Further, a hanging ring 12 is arranged on the top of the shell 1. Through the setting of rings 12, make things convenient for the holistic lifting by crane of motor, be convenient for transport.
Example 2
Referring to fig. 1 to 4, in the high-power three-phase motor with rapid heat dissipation according to the present embodiment, on the basis of embodiment 1, the backward-tilting centrifugal fan 11 further includes a tailstock 111, a side wall 112 connected to the housing 1 is disposed on the tailstock 111, a heat-dissipating air outlet 113 is formed on the side wall 112, a motor 114 is fixed on the tailstock 111, and a centrifugal wind wheel 115 is disposed on an output shaft of the motor 114.
Further, the centrifugal wind wheel 115 comprises a front baffle ring 1151 and a rear baffle ring 1152, a plurality of guide vanes 1153 distributed in an annular array are arranged between the front baffle ring 1151 and the rear baffle ring 1152, and the front baffle ring 1151 is provided with a first closed end 1154 extending forwards.
Through the retroversion centrifugal fan 11 that this tailstock 111, side wall 112, heat extraction air outlet 113, motor 114 and centrifugal wind wheel 115 combine to form to centrifugal wind wheel 115 adopts preceding fender ring 1151, back fender ring 1152 and the guide vane 1153 structure of side direction arrangement, realizes terminal surface convulsions, side air supply, produces the air current with certain pressure to casing 1 inside, makes it take out hot-air, reaches good heat dissipation.
Preferably, the guide vanes 1153 have a curved surface shape.
Further, a deflector ring 116 is disposed on the air outlet 10, the deflector ring 116 has a second closed end 1161 extending backward, and the second closed end 1161 is matched with the first closed end 1154. Good flow directing effect during air circulation is initiated by the second necked-in end 1161 on the deflector ring 116 engaging the first necked-in end 1154 on the front baffle ring 1151.
Example 3
Referring to fig. 1 to 4, the present embodiment relates to a high-power three-phase motor with rapid heat dissipation, which is based on embodiments 1 and 2, and is further configured such that the heat-exhausting air outlet 113 is covered with a first grid 13. Furthermore, the air inlet 9 is covered with a second grid 14.
Through the setting of first bars net 13 and second bars net 14, prevent effectively that external foreign matter from getting into inside casing 1 through heat extraction air outlet 113 and air intake 9, played the effect of preventing dust and preventing the foreign matter, be used as sheltering from.
Wherein, the air inlet 9 can also be covered with a filtering device.
The invention relates to a high-power three-phase motor capable of quickly dissipating heat, which is characterized in that an air inlet is formed in a front end cover, an air outlet is formed in a rear end cover, and a backward tilting centrifugal fan covering the air outlet forms negative pressure in a shell to extract heat and discharge the heat along a heat-extraction air outlet, so that the temperature rise of the whole motor is slowed down, good heat dissipation is achieved, the service life of the whole motor is prolonged, the whole function is complete, and the practicability is high.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship actually shown, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, it is possible for those skilled in the art to combine the embodiments and understand the specific meanings of the above terms according to specific situations.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (9)
1. The utility model provides a quick radiating high-power three-phase motor, includes the casing, and the both ends of casing are equipped with front end housing and rear end cap respectively, be equipped with front end bearing in the front end housing, be equipped with rear end bearing in the rear end cap, it has the main shaft that one end stretches out the front end housing to rotate to be connected with on front end bearing and the rear end bearing, is equipped with rotor core on the main shaft, the inner wall of casing is equipped with the stator core who matches rotor core, its characterized in that: the side of the front end cover is provided with an air inlet, the inside of the rear end cover is provided with an air outlet, and the air outlet is covered with a backward tilting centrifugal fan connected with the shell.
2. The fast dissipating high power three phase motor of claim 1 wherein: the backward-inclined centrifugal fan comprises a tailstock, a side wall connected with the shell is arranged on the tailstock, a heat exhaust air outlet is formed in the side wall, a motor is fixed on the tailstock, and a centrifugal wind wheel is arranged on a shell of the motor.
3. The fast dissipating high power three phase motor of claim 2 wherein: the centrifugal wind wheel comprises a front retaining ring and a rear retaining ring, a plurality of guide vanes distributed in an annular array are arranged between the front retaining ring and the rear retaining ring, and the front retaining ring is provided with a first closing end extending forwards.
4. The fast dissipating high power three phase motor of claim 3 wherein: the guide vane is arc surface shaped.
5. The rapid heat dissipation high power three-phase motor according to claim 3 or 4, wherein: the air outlet is provided with a flow guide ring, the flow guide ring is provided with a second closed end extending backwards, and the second closed end is matched with the first closed end.
6. The fast dissipating high power three phase motor of claim 5 wherein: the heat exhaust air outlet is covered with a first grid.
7. The fast dissipating high power three phase motor of claim 1 wherein: and the air inlet is covered with a second grid.
8. The fast dissipating high power three phase motor of claim 1 wherein: and the air inlet is covered with a filtering device.
9. The fast dissipating high power three phase motor of claim 1 wherein: and a lifting ring is arranged at the top of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010632276.7A CN111697744A (en) | 2020-07-01 | 2020-07-01 | High-power three-phase motor capable of quickly radiating heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010632276.7A CN111697744A (en) | 2020-07-01 | 2020-07-01 | High-power three-phase motor capable of quickly radiating heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111697744A true CN111697744A (en) | 2020-09-22 |
Family
ID=72485218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010632276.7A Pending CN111697744A (en) | 2020-07-01 | 2020-07-01 | High-power three-phase motor capable of quickly radiating heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111697744A (en) |
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2020
- 2020-07-01 CN CN202010632276.7A patent/CN111697744A/en active Pending
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