CN210468947U - High-efficiency three-phase asynchronous motor - Google Patents
High-efficiency three-phase asynchronous motor Download PDFInfo
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- CN210468947U CN210468947U CN201921212781.5U CN201921212781U CN210468947U CN 210468947 U CN210468947 U CN 210468947U CN 201921212781 U CN201921212781 U CN 201921212781U CN 210468947 U CN210468947 U CN 210468947U
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Abstract
The utility model belongs to the technical field of the motor, especially, relate to a high efficiency three-phase asynchronous motor, including the casing, the casing front side is equipped with the front end housing, and the casing rear side is equipped with the rear end cap, and the rear end cap rear side is equipped with fan and fan housing, and the casing bottom is equipped with the supporting legs, and the casing outer lane evenly is equipped with the multi-disc fin. The casing front side cover is equipped with the backward flow fan housing, the backward flow fan housing is half circular arc, and its concave surface sets up towards the casing rear side, the internal diameter and the casing external diameter of backward flow fan housing equal, and the casing lateral wall is hugged closely to backward flow fan housing inner circle. The utility model discloses a fan-out fan carry out the back of fanning out to the fin, the outer lane to the fin is blown again in rethread backward flow fan housing change wind direction, carries out comprehensive heat dissipation to fin and air on every side, further improves the radiating effect to effectively ensure the high-efficient work of motor.
Description
Technical Field
The utility model belongs to the technical field of the motor, especially, relate to a high efficiency three-phase asynchronous motor.
Background
The three-phase asynchronous motor is one of induction motors, and is a motor supplied with power by simultaneously connecting 380V three-phase alternating current (phase difference of 120 degrees), and is called a three-phase asynchronous motor because a rotor and a stator rotating magnetic field of the three-phase asynchronous motor rotate in the same direction and at different rotating speeds and have slip ratios. The rotating speed of the rotor of the three-phase asynchronous motor is lower than that of a rotating magnetic field, and the rotor winding generates electromotive force and current due to relative motion between the rotor winding and the magnetic field and interacts with the magnetic field to generate electromagnetic torque so as to realize energy conversion.
If the three-phase asynchronous motor is in operation, the generated heat cannot be well eliminated, so that the performance of the motor in all aspects is affected, the power is low, and the motor is seriously damaged.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve prior art's weak point, and provide a high efficiency three-phase asynchronous motor with good radiating effect.
The utility model aims at solving the problems by the following technical scheme:
the utility model provides a high efficiency three-phase asynchronous motor, including the casing, the casing front side is equipped with the front end housing, and the casing rear side is equipped with the rear end cap, and the rear end cap rear side is equipped with fan and fan housing, and the casing bottom is equipped with the supporting legs, and the casing outer lane evenly is equipped with multi-disc fin, its characterized in that: the casing front side cover is equipped with the backward flow fan housing, the backward flow fan housing is half circular arc, and its concave surface sets up towards the casing rear side, the internal diameter and the casing external diameter of backward flow fan housing equal, and the casing lateral wall is hugged closely to backward flow fan housing inner circle.
Based on above-mentioned structure, fan-out carry out the fan-out back to the fin, the rethread backward flow fan housing changes the wind direction and blows to the outer lane of fin again, carries out comprehensive heat dissipation to fin and surrounding air, further improves the radiating effect to effectively ensure the high-efficient work of motor.
Preferably, the connection can be dismantled to backward flow fan housing and casing.
Preferably, the utility model discloses still including ring cylindricality journal stirrup, ring cylindricality journal stirrup internal diameter and casing external diameter equal, ring cylindricality journal stirrup lateral wall and backward flow fan housing fixed connection, a plurality of screw thread through-holes have evenly been seted up to ring cylindricality journal stirrup lateral wall, the central axis direction and the housing face vertical of screw thread through-hole, threaded blind hole has been seted up with screw thread through-hole complex position on the casing, still including the screw, the screw passes screw thread through-hole and screw thread blind hole in proper order, and the backward flow fan housing passes through the fix with screw on the casing.
Preferably, ring cylindricality journal stirrup the central axis, backward flow fan housing the central axis all coincide with casing the central axis mutually.
Preferably, the backward flow fan housing the central axis coincides with the central axis of the shell.
Compared with the prior art the utility model has the following characteristics and beneficial effect:
the utility model discloses a fan-out fan carry out the back of fanning out to the fin, the outer lane to the fin is blown again in rethread backward flow fan housing change wind direction, carries out comprehensive heat dissipation to fin and air on every side, further improves the radiating effect to effectively ensure the high-efficient work of motor.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the joint between the circular cylindrical support lug and the casing of the present invention.
Fig. 3 is a schematic view of the structure of the circular cylindrical support lug of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a high-efficiency three-phase asynchronous motor includes a casing 1, a front end cover 2 is disposed on the front side of the casing 1, a rear end cover 3 is disposed on the rear side of the casing 1, a fan 4 and a fan housing 5 are disposed on the rear side of the rear end cover 3, a supporting leg 6 is disposed at the bottom of the casing 1, and a plurality of cooling fins 7 are uniformly disposed on the outer ring of the casing 1. The casing 1 front side cover is equipped with backward flow fan housing 8, backward flow fan housing 8 is half circular arc, and its concave surface sets up towards casing 1 rear side, the internal diameter and the 1 external diameter of casing of backward flow fan housing 8 equal, and 1 lateral wall of casing is hugged closely to backward flow fan housing 8 inner circle. The central axis of the backflow wind cover 8 is coincident with the central axis of the shell 1.
Based on above-mentioned structure, fan 4 fan-out carry out the fan-out heat back to fin 7, rethread backward flow fan housing 8 changes the wind direction and blows to the outer lane of fin 7 again, carries out comprehensive heat dissipation to fin 7 and surrounding air, further improves the radiating effect to effectively ensure the high-efficient work of motor.
As shown in fig. 2 and 3, the return air hood 8 is preferably detachably connected to the housing 1.
Including ring cylindricality journal stirrup 9, ring cylindricality journal stirrup 9 internal diameter and 1 external diameter of casing equal, ring cylindricality journal stirrup 9 lateral wall and 8 fixed connection of backward flow fan housing, a plurality of screw through-holes 10 have evenly been seted up to ring cylindricality journal stirrup 9 lateral wall, the central axis direction and the 1 surface vertical of casing of screw through-hole 10, threaded blind hole 11 has been seted up with screw through-hole 10 complex position on the casing 1, still including screw 12, screw 12 passes screw through 10 and threaded blind hole 11 in proper order, and backward flow fan housing 8 passes through screw 12 to be fixed on casing 1. The central axis of the circular cylindrical support lug 9 and the central axis of the backflow fan cover 8 are coincided with the central axis of the shell 1.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (5)
1. The utility model provides a high efficiency three-phase asynchronous motor, including the casing, the casing front side is equipped with the front end housing, and the casing rear side is equipped with the rear end cap, and the rear end cap rear side is equipped with fan and fan housing, and the casing bottom is equipped with the supporting legs, and the casing outer lane evenly is equipped with multi-disc fin, its characterized in that: the casing front side cover is equipped with the backward flow fan housing, the backward flow fan housing is half circular arc, and its concave surface sets up towards the casing rear side, the internal diameter and the casing external diameter of backward flow fan housing equal, and the casing lateral wall is hugged closely to backward flow fan housing inner circle.
2. A high efficiency three-phase asynchronous motor as claimed in claim 1, characterized in that: the backflow wind cover is detachably connected with the shell.
3. A high efficiency three-phase asynchronous motor as claimed in claim 2, characterized in that: still including ring cylindricality journal stirrup, ring cylindricality journal stirrup internal diameter and casing external diameter equal, ring cylindricality journal stirrup lateral wall and backward flow fan housing fixed connection, a plurality of screw through-holes have evenly been seted up to ring cylindricality journal stirrup lateral wall, the central axis direction and the casing surface vertical of screw through-hole, threaded blind hole has been seted up with screw through-hole complex position on the casing, still including the screw, the screw passes screw through hole and threaded blind hole in proper order, and the backward flow fan housing passes through the fix with screw on the casing.
4. A high efficiency three-phase asynchronous motor according to claim 3, characterized in that: the central axis of the circular cylindrical support lug and the central axis of the backflow fan cover are coincided with the central axis of the shell.
5. A high efficiency three-phase asynchronous motor according to claim 1 or 2, characterized in that: the central axis of the backflow wind cover is coincident with the central axis of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921212781.5U CN210468947U (en) | 2019-07-30 | 2019-07-30 | High-efficiency three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921212781.5U CN210468947U (en) | 2019-07-30 | 2019-07-30 | High-efficiency three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210468947U true CN210468947U (en) | 2020-05-05 |
Family
ID=70448531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921212781.5U Active CN210468947U (en) | 2019-07-30 | 2019-07-30 | High-efficiency three-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210468947U (en) |
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2019
- 2019-07-30 CN CN201921212781.5U patent/CN210468947U/en active Active
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