CN204118962U - A kind of electric machine built-in deep bead and motor - Google Patents
A kind of electric machine built-in deep bead and motor Download PDFInfo
- Publication number
- CN204118962U CN204118962U CN201420475151.8U CN201420475151U CN204118962U CN 204118962 U CN204118962 U CN 204118962U CN 201420475151 U CN201420475151 U CN 201420475151U CN 204118962 U CN204118962 U CN 204118962U
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- China
- Prior art keywords
- motor
- deep bead
- end cap
- rotor
- electric machine
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- Expired - Lifetime
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- 239000011324 bead Substances 0.000 title claims abstract description 51
- 238000004804 winding Methods 0.000 claims abstract description 30
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 19
- 230000005855 radiation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model proposes a kind of electric machine built-in deep bead, comprising: deep bead, one end of described deep bead is connected with the inner side of electric motor end cap, and the end of the other end and rotor has default distance; Wherein, the shape of described deep bead is arc, and the stator winding end of motor is corresponding with the intrados of described deep bead arranges.The invention also discloses a kind of motor, improve the radiating efficiency of rotor and stator winding, add the cooling effectiveness of speed motor.
Description
Technical field
The utility model relates to machine field, refers to a kind of electric machine built-in deep bead and motor especially.
Background technology
Can generate heat during existing machine operation, especially for the motor of screw-rod air compressor, due to air compressor machine the motor feels hot amount also comprises air compressor machine compressed air time the heat that produces, therefore the two ends of rotor band blade profile of motor, motor internal is provided with deep bead, outside air is carried to motor internal and is formed cooling air by blade profile, and deep bead leads to cooling air, realizes the effective utilization to cooling air.But, the deep bead of existing motor is a swash plate, when the end of stator winding is long, deep bead may be close in the end of winding, very close to each other between the end of winding and deep bead, cooling air cannot be made to arrive winding back of the body end smoothly, hinder the heat radiation of stator core, reduce the radiating efficiency of winding overhang.
Utility model content
The utility model proposes a kind of electric machine built-in deep bead, solve the problem that in prior art, motor cooling effectiveness is low.
The technical solution of the utility model is achieved in that
A kind of electric machine built-in deep bead, comprising:
Deep bead, one end of described deep bead is connected with the inner side of electric motor end cap, and the end of the other end and rotor has default distance;
Wherein, the shape of described deep bead is arc, and the end of the stator winding of motor is corresponding with the intrados of described deep bead arranges.
Preferably, in described electric machine built-in deep bead, described deep bead is provided with two, and it comprises first gear aerofoil and second gear aerofoil;
One end of described first gear aerofoil is connected with the inner side of the end cap on the left of motor, and the end in the left side of the other end and rotor has the first preset distance;
One end of described second gear aerofoil is connected with the inner side of the end cap on the right side of motor, and the end on the right side of the other end and rotor has the second preset distance; Wherein, described first gear aerofoil and described second gear aerofoil are symmetrical arranged.
Preferably, in described electric machine built-in deep bead, the stator winding of described motor is single two-layer hybrid winding.
A kind of motor, comprises the electric machine built-in deep bead described in the claims.
Preferably, in described motor, also comprise exhaust vent and fresh air inlet, described exhaust vent is evenly arranged on the middle position of the support of described motor; Described fresh air inlet is evenly arranged on the end cap on the left of described motor and the end cap on the right side of described motor.
Preferably, in described motor, also comprise rotor blade profile, it is arranged on the two ends of described rotor, and described rotor blade profile is cast-aluminum rotor blade profile.
Preferably, in described motor, the sectional area that described fresh air inlet is arranged on the inner side of described electric motor end cap is greater than the sectional area in the outside being arranged on described electric motor end cap, and increases gradually along the direction of outside to the inner side of described electric motor end cap of described electric motor end cap.
The beneficial effects of the utility model are: the deep bead in the utility model is arc, the intrados of deep bead is corresponding with the end of the stator winding of motor to be arranged, for regulating the gap of the end of deep bead and stator winding, cooling air is impelled to arrive the back of the body end of stator winding smoothly, accelerate the heat radiation of stator core, improve the radiating efficiency of winding simultaneously; The end of the deep bead other end and rotor has default distance, is conducive to cooling air by rotor tip, accelerates the heat radiation of rotor, improves the utilance of cooling air, adds the cooling effectiveness of speed motor.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the axial schematic diagram of electric machine built-in deep bead of the present utility model and motor;
Fig. 2 is the wind direction guiding schematic diagram in the motor described in Fig. 1.
In figure:
1, deep bead; 2, electric motor end cap; 3, stator winding; 4, rotor; 5, the support of motor; 6, fresh air inlet; 7, exhaust vent; 8, rotor blade profile.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1: electric machine built-in deep bead as shown in Figure 1 and the axial schematic diagram of motor, a kind of electric machine built-in deep bead comprises: deep bead 1, and one end of deep bead 1 is connected with the inner side of electric motor end cap 2, and the other end and rotor 4 end have default distance; Wherein, the shape of deep bead 1 is arc, and the end of the stator winding 3 of motor is corresponding with the intrados of deep bead 1 arranges, for regulating the gap between stator winding 3 end and deep bead 1, the end avoiding stator winding 3 is long, gapless between the end of stator winding 3 and deep bead, or gap is little.Shown in Fig. 2 be in motor wind direction guiding schematic diagram, the arrow in Fig. 2 represents wind direction.
Gap between stator winding 3 end and deep bead 1 is adjustable, impels cooling air to arrive the back of the body end of stator winding smoothly, accelerates the heat radiation of stator core, improves the radiating efficiency of the end of winding simultaneously; The end of the deep bead other end and rotor has default distance, is conducive to cooling air by rotor tip, accelerates the heat radiation of rotor, improves the utilance of cooling air, adds the cooling effectiveness of speed motor.The deep bead other end adjusts according to different motors from the distance of rotor 4 end.
The electric machine built-in deep bead of embodiment 1 is provided with two, and it comprises first gear aerofoil and second gear aerofoil; One end of first gear aerofoil is connected with the inner side of the end cap on the left of motor, and the end in the left side of the other end and rotor has the first preset distance; One end of second gear aerofoil is connected with the inner side of the end cap on the right side of motor, and the end on the right side of the other end and rotor has the second preset distance; Wherein, first gear aerofoil and second gear aerofoil are symmetrical arranged.
First gear aerofoil and second gear aerofoil are separately positioned on the left and right sides of motor and symmetrical, are conducive to the shunting of the wind direction to cooling air, accelerate the radiating rate of motor, extend the useful life of motor.
The stator winding of the motor of embodiment 1 is single two-layer hybrid winding, improves the efficiency of motor, reduces the cost of motor.
The motor of embodiment 1 also comprises exhaust vent 7 and fresh air inlet 6, and exhaust vent 7 is evenly arranged on the middle position of the support 5 of motor; Fresh air inlet 6 is evenly arranged on the end cap on the left of motor and the end cap on the right side of motor.
The design of fresh air inlet 6, improves the air mass flow that outside air enters motor, the design of exhaust vent 7, accelerates the outflow of heat in motor; The design of fresh air inlet 6 and exhaust vent 7, impels cooling air from the fresh air inlet air intake the left side of motor and the end cap on right side, by the exhaust vent air-out in the middle of the support 5 of motor, accelerates the heat radiation of motor internal.
The motor of embodiment 1 also comprises rotor blade profile 8, is separately positioned on the two ends of the rotor 4 of electronics, and rotor blade profile is cast-aluminum rotor blade profile.Rotor blade profile is impelled outside air to enter motor internal and is formed blast; When rotor blade profile 8 rotates, impel the end of wind direction pile warp stator winding 3, increase the contact area of cooling air and stator winding 3 end, accelerate the radiating rate of stator winding 3 end, improve the cooling effectiveness of motor.
The sectional area that the fresh air inlet of embodiment 1 is arranged on the inner side of electric motor end cap is greater than the sectional area in the outside being arranged on electric motor end cap, and increases gradually along the direction of outside to the inner side of electric motor end cap of electric motor end cap.Cooling air enters the direction in motor from the external world, the sectional area of fresh air inlet increases gradually, is conducive to the formation of blast.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. an electric machine built-in deep bead, is characterized in that, comprising:
Deep bead, one end of described deep bead is connected with the inner side of electric motor end cap, and the end of the other end and rotor has default distance;
Wherein, the shape of described deep bead is arc, and the end of the stator winding of motor is corresponding with the intrados of described deep bead arranges.
2. electric machine built-in deep bead according to claim 1, is characterized in that, described deep bead is provided with two, and it comprises first gear aerofoil and second gear aerofoil;
One end of described first gear aerofoil is connected with the inner side of the end cap on the left of motor, and the end in the left side of the other end and rotor has the first preset distance;
One end of described second gear aerofoil is connected with the inner side of the end cap on the right side of motor, and the end on the right side of the other end and rotor has the second preset distance; Wherein, described first gear aerofoil and described second gear aerofoil are symmetrical arranged.
3. electric machine built-in deep bead according to claim 1, is characterized in that, the stator winding of described motor is single two-layer hybrid winding.
4. a motor, is characterized in that, comprises the electric machine built-in deep bead described in the claims 1 ~ 3.
5. motor according to claim 3, is characterized in that, also comprises exhaust vent and fresh air inlet, and described exhaust vent is evenly arranged on the middle position of the support of described motor; Described fresh air inlet is evenly arranged on the end cap on the left of described motor and the end cap on the right side of described motor.
6. motor according to claim 3, is characterized in that, also comprises rotor blade profile, and it is arranged on the two ends of described rotor, and described rotor blade profile is cast-aluminum rotor blade profile.
7. electric machine built-in deep bead according to claim 5, it is characterized in that, the sectional area that described fresh air inlet is arranged on the inner side of described electric motor end cap is greater than the sectional area in the outside being arranged on described electric motor end cap, and increases gradually along the direction of outside to the inner side of described electric motor end cap of described electric motor end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420475151.8U CN204118962U (en) | 2014-08-21 | 2014-08-21 | A kind of electric machine built-in deep bead and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420475151.8U CN204118962U (en) | 2014-08-21 | 2014-08-21 | A kind of electric machine built-in deep bead and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204118962U true CN204118962U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420475151.8U Expired - Lifetime CN204118962U (en) | 2014-08-21 | 2014-08-21 | A kind of electric machine built-in deep bead and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204118962U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105591497A (en) * | 2016-03-23 | 2016-05-18 | 中车永济电机有限公司 | Independent stator ventilating and cooling type permanent magnet motor |
| CN109314427A (en) * | 2016-05-13 | 2019-02-05 | 维迪科研究所 | Flange for motor |
| CN111614184A (en) * | 2020-05-22 | 2020-09-01 | 康富科技有限公司 | Generator with fan |
| WO2021037194A1 (en) * | 2019-08-30 | 2021-03-04 | 东方电气集团东方电机有限公司 | Method and apparatus for reducing circumferential temperature difference between coil and iron core of motor |
| WO2021037192A1 (en) * | 2019-08-30 | 2021-03-04 | 东方电气集团东方电机有限公司 | Device for reducing circumferential temperature difference between coil and core of large-diameter motor |
-
2014
- 2014-08-21 CN CN201420475151.8U patent/CN204118962U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105591497A (en) * | 2016-03-23 | 2016-05-18 | 中车永济电机有限公司 | Independent stator ventilating and cooling type permanent magnet motor |
| CN109314427A (en) * | 2016-05-13 | 2019-02-05 | 维迪科研究所 | Flange for motor |
| CN109314427B (en) * | 2016-05-13 | 2022-02-22 | 维迪科研究所 | Flange for an electric machine |
| WO2021037194A1 (en) * | 2019-08-30 | 2021-03-04 | 东方电气集团东方电机有限公司 | Method and apparatus for reducing circumferential temperature difference between coil and iron core of motor |
| WO2021037192A1 (en) * | 2019-08-30 | 2021-03-04 | 东方电气集团东方电机有限公司 | Device for reducing circumferential temperature difference between coil and core of large-diameter motor |
| CN111614184A (en) * | 2020-05-22 | 2020-09-01 | 康富科技有限公司 | Generator with fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150121 |