CN202260855U - Motor with axial flow fan capable of efficiently cooling - Google Patents
Motor with axial flow fan capable of efficiently cooling Download PDFInfo
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- CN202260855U CN202260855U CN2011204227779U CN201120422777U CN202260855U CN 202260855 U CN202260855 U CN 202260855U CN 2011204227779 U CN2011204227779 U CN 2011204227779U CN 201120422777 U CN201120422777 U CN 201120422777U CN 202260855 U CN202260855 U CN 202260855U
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Abstract
The utility model relates to a motor, in particular to a motor with an axial flow fan capable of efficiently cooling. The motor solves the problems of low protection level, poor low-speed heat dissipation performance, big volume, heavy weight, small power and torque, low overloading capability and difficulty in heat dissipation of an existing traction motor of an urban tramcar. The motor with the axial flow fan capable of efficiently cooling comprises stator assembly, rotor assembly, a housing, a driving end cover and a non-driving end cover, wherein a driving end of the housing is provided with a first flange, a non-driving end of the housing is provided with a second flange, a non-driving end cover air duct is enclosed by the end surface at the outer side of the second flange and the end surface at the inner side of the non-driving end cover together, and the axial flow fan is arranged in the non-driving end cover air duct. The motor effectively solves the problems of low protection level, poor low-speed heat dissipation performance, big volume, heavy weight, small power and torque, low overloading capability and difficulty in heat dissipation of the existing traction motor of the urban tramcar, and is applicable to the traction for the urban tramcar.
Description
Technical field
The utility model relates to motor, specifically is a kind of motor of tape spool stream air exhauster of efficient cooling.
Background technology
The core of city electric car is a power-driven system, and its power-driven system comprises controller and traction electric machine.Characteristics such as the exceptional operating conditions of city electric car requires that its traction electric machine has speed-regulating range width, overload capacity is big, peak power is high, moment of inertia is little, cooling heat radiation system is good, volume is little, in light weight, degree of protection height.The traction electric machine that is applied to the city electric car at present is mainly self-ventilated machine and totally-enclosed machine.Self-ventilated machine can directly distribute the motor internal heat, and it has advantages such as peak power height, overload capacity is high, volume is little, in light weight, but there is the low shortcoming of degree of protection in it.During work, motor internal directly communicates with outside atmosphere, and dust, rainwater, dust storm all can directly be attacked critical components such as motor internal winding, bearing, causes motor operational failure rate height, reliability low.Owing to have rotary fan in the inner rotating shaft of self-ventilated machine, when electric car Fraquent start, braking, motor speed is low, electric current is big in the city, and the fan inside rotating speed is low, and cooling effect is poor, so also there is the shortcoming of low speed heat dispersion difference in self-ventilated machine.Degree of protection is low, the low speed heat dispersion differs from two big shortcomings makes self-ventilated machine be difficult to satisfy well the application requirements of city electric car.The advantage of totally-enclosed machine is that degree of protection is high, and after motor internal sealed fully, rainwater, dust storm, dust were difficult to the motor internal parts are attacked; The electrical fault rate is little, reliability is high, but its shortcoming is: because after adopting all-sealed structure, the heat that the motor internal thermal source produces is difficult to effectively distribute; Motor windings and bearing temperature can be very high; And too high winding and bearing temperature affect the reliable use of motor, can cause electrical machinery life to shorten, even under overload situations, burn winding.The totally-enclosed machine internal heat is inhomogeneous, has the too high point of local temperature, affects motor and uses.For ensureing that motor reliably uses, have to reduce motor and use power and moment of torsion, increase motor volume and weight.Therefore totally-enclosed machine exists also that volume is big, Heavy Weight, power and shortcomings such as moment of torsion is little, overload capacity is low, the difficulty of dispelling the heat, and above-mentioned shortcoming makes totally-enclosed machine be difficult to satisfy well the application requirements of city electric car equally.Based on this; Be necessary to invent a kind of brand-new motor that can satisfy city electric car application requirements, existing city electric car traction motor degree of protection is low, the low speed heat dispersion is poor, volume big to solve, Heavy Weight, power and the problem that moment of torsion is little, overload capacity is low and heat radiation is difficult.
Summary of the invention
Existing city electric car traction motor degree of protection is low, the low speed heat dispersion is poor, volume big in order to solve for the utility model, Heavy Weight, power is with moment of torsion is little, overload capacity is low and the problem of heat radiation difficulty, provides a kind of tape spool of efficient cooling to flow the motor of air exhauster.
The utility model is to adopt following technical scheme to realize: the motor of the tape spool stream air exhauster of efficient cooling comprises stator assembling, rotor assembling, casing, driving end end cap and non-transmision end end cap; The driving end of casing is equipped with first flange, and the driving end end cap is connected with the driving end of casing through first flange; The non-transmision end of casing is equipped with second flange, and the non-transmision end end cap is connected with the non-transmision end of casing through second flange; The casing upper edge is axially arranged with several cooling fins, and each fin is along the circumferential direction evenly distributed in the casing lateral surface; The fin outside is arranged with the tubular fan housing, and tubular fan housing one end and second flange are fixed; Casing lateral surface and tubular fan housing medial surface surround the outer air channel of casing jointly; Second flange outside end face and non-transmision end end cap inner side end surround non-transmision end end cap air channel jointly; Have cooling vent on second end face of flange, the outer air channel of casing is communicated with non-transmision end end cap air channel through cooling vent; The non-transmision end end cap is provided with axial flow blower in the air channel, and axial flow blower is mounted on non-transmision end end cap inner side end.
During work, axial flow blower is supplied power by independent current source.The heat that the motor internal thermal source produces distributes through casing and fin.Start axial flow blower, axial flow blower produces cooling air, and cooling air flows through the outer air channel of casing, cooling vent, non-transmision end end cap air channel successively, after the end face discharge of the non-transmision end end cap outside.Cooling air during the air channel, carries out heat exchange with casing and fin, thereby the heat on casing and the fin is taken away outside the casing of flowing through, and reaches the purpose of cooling heat dissipation.In this process, the effect of fin is to increase motor surface radiating area, helps the motor heat and distributes, and fin also plays a part reinforcement simultaneously, has higher bulk strength when making motor case thin, thereby has reduced motor weight.Based on said process; Compare with existing city electric car traction motor; The motor of the tape spool stream air exhauster of the described efficient cooling of the utility model has following advantage: one, compare with self-ventilated machine; The motor internal of the tape spool stream air exhauster of the described efficient cooling of the utility model adopts all-sealed structure; Can effectively completely cut off of the invasion and attack of poor environments such as external dust, rainwater, dust storm, guarantee that motor has high reliability, less trouble, low maintainability, has solved the low problem of self-ventilated machine degree of protection the motor internal parts.The motor of the tape spool of the described efficient cooling of the utility model stream air exhauster adopts the axial flow blower by the independent current source power supply simultaneously; Electric car Fraquent start, when braking in the city; Axial flow blower can guarantee cooling effect, has solved the problem of self-ventilated machine low speed heat dispersion difference.Two, compare with totally-enclosed machine; The motor of the tape spool stream air exhauster of the described efficient cooling of the utility model is based on outer air channel of the casing of brand-new design and non-transmision end end cap air channel; Matching design through air channel and axial flow motor; Make that the wind path air loss is very little, can bring into play the blower fan cooling performance to greatest extent, make heat-sinking capability be greatly improved; It is bigger to make power of motor and moment of torsion, overload capacity, peak power compare common totally-enclosed machine thus, and volume is compared common totally-enclosed machine with weight littler.In sum; The motor of the tape spool of the described efficient cooling of the utility model stream air exhauster is based on the cooling structure of brand-new design, solved effectively thoroughly that existing city electric car traction motor degree of protection is low, the low speed heat dispersion is poor, volume big, Heavy Weight, power and the problem that moment of torsion is little, overload capacity is low and heat radiation is difficult.Practice shows, the motor of the tape spool stream air exhauster of the described efficient cooling of the utility model is when being applied to the city electric car, and degree of protection is high, reliability is high, moment of torsion is with power is big, volume is little, in light weight, peak value and overload capacity are big, the cooling capacity excellence.
Further, non-transmision end end cap outside end face is pasted with circular deep bead, and the lateral surface of circular deep bead flushes with the lateral surface of casing.Deep bead can effectively improve the air output of cooling air, further enhanced cooling.
The utility model is based on the cooling structure of brand-new design; Efficiently solve that existing city electric car traction motor degree of protection is low, the low speed heat dispersion is poor, volume big, Heavy Weight, power and the problem that moment of torsion is little, overload capacity is low and heat radiation is difficult, be applicable to the city electric car traction.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the structural representation of second flange of the utility model.
Fig. 3 is the structural representation of the non-transmision end end cap of the utility model.
Fig. 4 is the non-transmision end end cap of the utility model and the mounting structure sketch map of second flange.
Among the figure: 1-casing, 2-driving end end cap, 3-non-transmision end end cap, 4-first flange, 5-second flange, 6-fin, 7-tubular fan housing, the outer air channel of 8-casing, 9-non-transmision end end cap air channel, 10-cooling vent, 11-axial flow blower, the circular deep bead of 12-.
Embodiment
The motor of the tape spool stream air exhauster of efficient cooling comprises stator assembling, rotor assembling, casing 1, driving end end cap 2 and non-transmision end end cap 3; The driving end of casing 1 is equipped with first flange 4, and driving end end cap 2 is connected with the driving end of casing 1 through first flange 4; The non-transmision end of casing 1 is equipped with second flange 5, and non-transmision end end cap 3 is connected with the non-transmision end of casing 1 through second flange 5; Casing 1 upper edge is axially arranged with several cooling fins 6, and each fin 6 is along the circumferential direction evenly distributed in casing 1 lateral surface; Fin 6 outsides are arranged with tubular fan housing 7, and tubular fan housing 7 one ends and second flange 5 are fixing; Casing 1 lateral surface and tubular fan housing 7 medial surfaces surround the outer air channel 8 of casing jointly; Second flange, 5 outside end faces and non-transmision end end cap 3 inner side ends surround non-transmision end end cap air channel 9 jointly; Have cooling vent 10 on second flange, 5 end faces, the outer air channel 8 of casing is communicated with non-transmision end end cap air channel 9 through cooling vent 10; Be provided with axial flow blower 11 in the non-transmision end end cap air channel 9, axial flow blower 11 is mounted on non-transmision end end cap 3 inner side ends;
Non-transmision end end cap 3 outside end faces are pasted with circular deep bead 12, and the lateral surface of circular deep bead 12 flushes with the lateral surface of casing 1;
During practical implementation, fin and tubular fan housing all adopt thin-wall construction, can effectively reduce motor weight.
Claims (2)
1. the motor of the tape spool of efficient cooling stream air exhauster comprises stator assembling, rotor assembling, casing (1), driving end end cap (2) and non-transmision end end cap (3); It is characterized in that: the driving end of casing (1) is equipped with first flange (4), and driving end end cap (2) is connected with the driving end of casing (1) through first flange (4); The non-transmision end of casing (1) is equipped with second flange (5), and non-transmision end end cap (3) is connected with the non-transmision end of casing (1) through second flange (5); Casing (1) upper edge is axially arranged with several cooling fins (6), and each fin (6) is along the circumferential direction evenly distributed in casing (1) lateral surface; Fin (6) outside is arranged with tubular fan housing (7), and tubular fan housing (7) one ends and second flange (5) are fixing; Casing (1) lateral surface and tubular fan housing (7) medial surface surround the outer air channel (8) of casing jointly; Second flange (5) outside end face and non-transmision end end cap (3) inner side end surround non-transmision end end cap air channel (9) jointly; Have cooling vent (10) on second flange (5) end face, the outer air channel (8) of casing is communicated with non-transmision end end cap air channel (9) through cooling vent (10); Be provided with axial flow blower (11) in the non-transmision end end cap air channel (9), axial flow blower (11) is mounted on non-transmision end end cap (3) inner side end.
2. the tape spool of efficient cooling according to claim 1 flows the motor of air exhauster, it is characterized in that: non-transmision end end cap (3) outside end face is pasted with circular deep bead (12), and the lateral surface of circular deep bead (12) flushes with the lateral surface of casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204227779U CN202260855U (en) | 2011-10-31 | 2011-10-31 | Motor with axial flow fan capable of efficiently cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204227779U CN202260855U (en) | 2011-10-31 | 2011-10-31 | Motor with axial flow fan capable of efficiently cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202260855U true CN202260855U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204227779U Expired - Fee Related CN202260855U (en) | 2011-10-31 | 2011-10-31 | Motor with axial flow fan capable of efficiently cooling |
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| CN (1) | CN202260855U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361368A (en) * | 2011-10-31 | 2012-02-22 | 永济新时速电机电器有限责任公司 | Efficiently-cooling motor with axial flow draft fan |
| CN103470458A (en) * | 2013-09-24 | 2013-12-25 | 南车株洲电力机车研究所有限公司 | Installation bracket for axial flow fan of tower barrel platform and using and installation method of installation bracket |
| CN103490548A (en) * | 2013-09-18 | 2014-01-01 | 南车株洲电力机车研究所有限公司 | Traction motor |
| CN104104186A (en) * | 2014-06-30 | 2014-10-15 | 苏州蓝王机床工具科技有限公司 | Electromechanical motor radiator |
| CN108448819A (en) * | 2018-05-31 | 2018-08-24 | 河南泓之泰实业有限公司 | A kind of long-life conical rotor machine being quickly cooled down |
-
2011
- 2011-10-31 CN CN2011204227779U patent/CN202260855U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361368A (en) * | 2011-10-31 | 2012-02-22 | 永济新时速电机电器有限责任公司 | Efficiently-cooling motor with axial flow draft fan |
| CN103490548A (en) * | 2013-09-18 | 2014-01-01 | 南车株洲电力机车研究所有限公司 | Traction motor |
| CN103490548B (en) * | 2013-09-18 | 2015-05-27 | 南车株洲电力机车研究所有限公司 | Traction motor |
| CN103470458A (en) * | 2013-09-24 | 2013-12-25 | 南车株洲电力机车研究所有限公司 | Installation bracket for axial flow fan of tower barrel platform and using and installation method of installation bracket |
| CN103470458B (en) * | 2013-09-24 | 2016-02-03 | 南车株洲电力机车研究所有限公司 | A kind of mounting bracket of tower barrel platform axial-flow blower and use installation method thereof |
| CN104104186A (en) * | 2014-06-30 | 2014-10-15 | 苏州蓝王机床工具科技有限公司 | Electromechanical motor radiator |
| CN108448819A (en) * | 2018-05-31 | 2018-08-24 | 河南泓之泰实业有限公司 | A kind of long-life conical rotor machine being quickly cooled down |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20161031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |