CN103516137A - Inner fan structure three-phase asynchronous motor - Google Patents
Inner fan structure three-phase asynchronous motor Download PDFInfo
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- CN103516137A CN103516137A CN201310468035.3A CN201310468035A CN103516137A CN 103516137 A CN103516137 A CN 103516137A CN 201310468035 A CN201310468035 A CN 201310468035A CN 103516137 A CN103516137 A CN 103516137A
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- bearing
- electric machine
- machine casing
- rear end
- end cap
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- 238000007789 sealing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000001149 thermolysis Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention relates to a three-phase asynchronous motor, in particular to a three-phase asynchronous motor with an inner fan structure and belongs to the technical field of motors. The three-phase asynchronous motor comprises a motor shell body. The two ends of the motor shell body are respectively connected with a front end cover and a back end cover. A motor shaft is arranged in the motor shell body. The two ends of the motor shaft are respectively connected with a first bearing in the front end cover and a second bearing in the back end cover. The middle portion of the motor shaft is connected with a stator. A rotor is arranged on the portion, facing the stator, of the inner wall face of the motor shell body. The rotor is electrically connected with a junction box fixed on the outer wall of the motor shell body. The motor shaft in the motor shell body is connected with a fan. A wind shield cover is arranged between the fan and the rotor. The inner fan structure three-phase asynchronous motor is simple, compact and reasonable in structure, good in cooling system effect and high in protecting level and insulation level.
Description
Technical field
The present invention relates to a kind of threephase asynchronous, a kind of threephase asynchronous with inner fan structure, belongs to motor technology field specifically.
Background technology
At the society of global resources scarcity, people strengthen day by day to the consciousness of energy-saving and emission-reduction low-carbon (LC) life, and our country is at present also in promotion energy-saving and emission-reduction energetically, and by improving the mode of Motor Energy Efficiency, are one of approach of realizing this goal at present., also there is the bad problem of radiating effect in the defect that on market, motor ubiquity efficiency is low, energy consumption is large now, can not meet the requirement of efficient and energy-saving and emission-reduction simultaneously.In order to meet the demand of overseas market, simultaneously also in order to make the motor product of company can occupy the larger market share, adapt to client's requirement, must develop a kind of high-efficiency and energy-saving type motor, obtain good radiating effect, reduce the wastage, reach raise the efficiency, the object of energy savings.
Summary of the invention
The object of the invention is to overcome above-mentioned weak point, thereby a kind of energy-conservation, threephase asynchronous efficiently with inner fan structure is provided, can reach good radiating effect.
According to technical scheme provided by the invention, inner fan structure threephase asynchronous comprises electric machine casing, electric machine casing two ends connect respectively front end housing and rear end cap, are provided with motor shaft in electric machine casing, and motor shaft two ends connect respectively clutch shaft bearing in front end housing and the second bearing in rear end cap; Motor shaft middle part connecting stator, electric machine casing internal face is provided with rotor to laundry, and rotor is electrically connected to the terminal box that is fixed on electric machine casing outer wall, it is characterized in that: on the motor shaft in electric machine casing, connect fan, between fan and rotor, be provided with windshield.
Further, the left end of motor shaft stretches out electric machine casing.
Further, electric machine casing top is provided with left joint hinge and right joint hinge.
Further, connect clutch shaft bearing front end housing and clutch shaft bearing rear end cap on front end housing, clutch shaft bearing front end housing and clutch shaft bearing rear end cap are positioned at clutch shaft bearing front and back end, and clutch shaft bearing is sealed in front end housing; Between clutch shaft bearing front end housing and motor shaft, be provided with V-type oil sealing.
Further, connect the second bearing front end housing and the second bearing rear end cap on rear end cap, the second bearing front end housing and the second bearing rear end cap are positioned at the second bearing front and back end, and by the second bearing seal in rear end cap.
Compared with the prior art the present invention has the following advantages:
The present invention is simple in structure, compact, reasonable, and cooling system is effective; Degree of protection and the class of insulation are high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Description of reference numerals: disc-21-the second bearing rear end cap after disc, 12-V type oil sealing, 13-motor shaft, 14-clutch shaft bearing front end housing, 15-windshield, 16-fan, 17-rear end cap, 18-the second bearing front end housing, 19-the second bearing, 20-before 1-electric machine casing, 2-terminal box, 3-rotor, 4-stator, 5-ventilation web plate, the left joint hinge of 6-, the right joint hinge of 7-, 8-front end housing, 9-clutch shaft bearing rear end cap, 10-clutch shaft bearing, 11-.
Embodiment
The present invention is below further described in connection with the embodiment in accompanying drawing:
As shown in Figure 1, the present invention mainly comprises electric machine casing 1, and electric machine casing 1 two ends connect respectively front end housing 8 and rear end cap 17.In electric machine casing 1, be provided with motor shaft 13, motor shaft 13 two ends connect respectively clutch shaft bearing 10 in front end housing 8 and the second bearing 19 in rear end cap 17, and the left end of motor shaft 13 stretches out electric machine casing 1.Motor shaft 13 middle part connecting stators 4, electric machine casing 1 internal face is provided with rotor 3 to stator 4 places, and rotor 3 is electrically connected to the terminal box 2 that is fixed on electric machine casing 1 outer wall.
On front end housing 8, connect clutch shaft bearing front end housing 14 and clutch shaft bearing rear end cap 9, clutch shaft bearing front end housing 14 and clutch shaft bearing rear end cap 9 are positioned at clutch shaft bearing 10 front and back ends, and clutch shaft bearing 10 is sealed in front end housing 8.Between described clutch shaft bearing front end housing 14 and motor shaft 13, be provided with V-type oil sealing 12.
On rear end cap 17, connect the second bearing front end housing 18 and the second bearing rear end cap 21, the second bearing front end housings 18 and the second bearing rear end cap 21 and be positioned at the second bearing 19 front and back ends, and the second bearing 19 is sealed in rear end cap 17.
On motor shaft 13 in electric machine casing 1, connect fan 16, between fan 16 and rotor 3, be provided with windshield 15.The air quantity that rotarily drives of fan enters in stator, and the guide effect of wind by windshield blows out from ventilation web plate after good circulation in stator, rotor, thereby plays good thermolysis.
Described electric machine casing 1 top is provided with left joint hinge 6 and right joint hinge 7, by left joint hinge 6 and right joint hinge 7 handling motors.
Described rotor 3 and stator 4 are laminated by multi-disc punching, and punching adopts current country-driven cold-reduced silicon sheet to make.
Operation principle of the present invention is: stator accesses three-phase symmetrical power by cable, produces rotating magnetic field, and rotor driven rotates, and rotor drives load operation by motor shaft, output shaft power.
During the work of rotor and stator, the air quantity that rotarily drives by fan enters in stator, and the guide effect of wind by windshield blows out from ventilation web plate after good circulation in stator, rotor, thereby plays good thermolysis.
Claims (3)
1. an inner fan structure threephase asynchronous, comprise electric machine casing (1), electric machine casing (1) two ends connect respectively front end housing (8) and rear end cap (17), in electric machine casing (1), be provided with motor shaft (13), motor shaft (13) two ends connect respectively clutch shaft bearing (10) and interior the second bearing (19) of rear end cap (17) in front end housing (8); Motor shaft (13) middle part connecting stator (4), electric machine casing (1) internal face locates to be provided with rotor (3) to stator (4), rotor (3) is electrically connected to the terminal box (2) that is fixed on electric machine casing (1) outer wall, it is characterized in that: the upper fan (16) that connects of motor shaft (13) in electric machine casing (1), is provided with windshield (15) between fan (16) and rotor (3); The left end of described motor shaft (13) stretches out electric machine casing (1); Upper clutch shaft bearing front end housing (14) and the clutch shaft bearing rear end cap (9) of connecting of described front end housing (8), clutch shaft bearing front end housing (14) and clutch shaft bearing rear end cap (9) are positioned at clutch shaft bearing (10) front and back end, and clutch shaft bearing (10) is sealed in front end housing (8); Between clutch shaft bearing front end housing (14) and motor shaft (13), be provided with V-type oil sealing (12).
2. inner fan structure threephase asynchronous as claimed in claim 1, is characterized in that: described electric machine casing (1) top is provided with left joint hinge (6) and right joint hinge (7).
3. inner fan structure threephase asynchronous as claimed in claim 1, it is characterized in that: upper the second bearing front end housing (18) and the second bearing rear end cap (21) of connecting of described rear end cap (17), the second bearing front end housing (18) and the second bearing rear end cap (21) are positioned at the second bearing (19) front and back end, and the second bearing (19) is sealed in rear end cap (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310468035.3A CN103516137B (en) | 2013-10-09 | 2013-10-09 | Inner fan structure threephase asynchronous |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310468035.3A CN103516137B (en) | 2013-10-09 | 2013-10-09 | Inner fan structure threephase asynchronous |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103516137A true CN103516137A (en) | 2014-01-15 |
| CN103516137B CN103516137B (en) | 2015-09-16 |
Family
ID=49898364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310468035.3A Active CN103516137B (en) | 2013-10-09 | 2013-10-09 | Inner fan structure threephase asynchronous |
Country Status (1)
| Country | Link |
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| CN (1) | CN103516137B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109286275A (en) * | 2018-11-21 | 2019-01-29 | 中达电机股份有限公司 | The wind path structure of IP23 high efficiency motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764485A (en) * | 2009-09-24 | 2010-06-30 | 无锡哈电电机有限公司 | medium-sized high-voltage three-phase asynchronous motor |
| CN101882849A (en) * | 2010-07-19 | 2010-11-10 | 无锡市中达电机有限公司 | High-voltage three-phase asynchronous motor for cylindrical low-noise compressor |
| CN101888134A (en) * | 2010-07-19 | 2010-11-17 | 无锡市中达电机有限公司 | Energy-saving three-phase asynchronous motor |
| CN203554194U (en) * | 2013-10-09 | 2014-04-16 | 中达电机股份有限公司 | Three-phase asynchronous motor with inner fan structure |
-
2013
- 2013-10-09 CN CN201310468035.3A patent/CN103516137B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764485A (en) * | 2009-09-24 | 2010-06-30 | 无锡哈电电机有限公司 | medium-sized high-voltage three-phase asynchronous motor |
| CN101882849A (en) * | 2010-07-19 | 2010-11-10 | 无锡市中达电机有限公司 | High-voltage three-phase asynchronous motor for cylindrical low-noise compressor |
| CN101888134A (en) * | 2010-07-19 | 2010-11-17 | 无锡市中达电机有限公司 | Energy-saving three-phase asynchronous motor |
| CN203554194U (en) * | 2013-10-09 | 2014-04-16 | 中达电机股份有限公司 | Three-phase asynchronous motor with inner fan structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109286275A (en) * | 2018-11-21 | 2019-01-29 | 中达电机股份有限公司 | The wind path structure of IP23 high efficiency motor |
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| Publication number | Publication date |
|---|---|
| CN103516137B (en) | 2015-09-16 |
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