CN103618412A - Vehicle automatic control system motor capable of efficiently dissipating heat at low rotating speed and saving energy at high rotating speed - Google Patents
Vehicle automatic control system motor capable of efficiently dissipating heat at low rotating speed and saving energy at high rotating speed Download PDFInfo
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- CN103618412A CN103618412A CN201310622119.8A CN201310622119A CN103618412A CN 103618412 A CN103618412 A CN 103618412A CN 201310622119 A CN201310622119 A CN 201310622119A CN 103618412 A CN103618412 A CN 103618412A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The invention relates to a motor, in particular to a vehicle automatic control system motor capable of efficiently dissipating heat at the low rotating speed and saving energy at the high rotating speed to solve the problem that an existing electric vehicle traction motor is poor in cooling and heat dissipation capacity when running at the low rotating speed and is too high in energy consumption when running at the high rotating speed. The vehicle automatic control system motor capable of efficiently dissipating heat at the low rotating speed and saving energy at the high rotating speed comprises a machine base, a front end cover, a rear end cover, a stator assembly and a rotor assembly. The stator assembly comprises a stator core. The rotor assembly comprises a rotating shaft and a rotor core. An axial gas gap is reserved between the inner circle surface of the stator core and the outer circle surface of the rotor core. An axial air flue penetrates through the end face of the rotor core. A coaxial fan is arranged in an inner cavity at the front portion of the machine base. A wind pressure switch is fixedly arranged on the outer circle surface of the machine base. An air duct is fixedly arranged on the outer circle surface of the rear portion of the machine base. A forced draught fan is arranged in an inner cavity of the air duct. The vehicle automatic control system motor is suitable for electric vehicles.
Description
Technical field
The present invention relates to motor, specifically a kind of slow-speed of revolution high efficiency and heat radiation, the energy-conservation vehicle automation control system motor of high rotating speed.
Background technology
The core of motor vehicle is power-driven system, and its power-driven system comprises controller and traction electric machine.The particularity of motor vehicle at aspects such as operational mode, running environment, technical performances requires its traction electric machine to have the features such as power output is high, output torque is large, overload capacity is strong, cooling capacity is strong.Current, the traction electric machine that is applied to motor vehicle mainly comprises self-ventilated machine and self-powered externally ventilated machine.Wherein, self-ventilated machine can directly distribute motor internal heat by its inner centrifugal fan, but due to the rotating speed of its inner centrifugal fan and the rotating speed of motor consistent, cause when motor speed is lower, inner centrifugal fan rotating speed is lower equally, air quantity and the blast of its generation are all less, cause thus self-ventilated machine when the slow-speed of revolution moves cooling capacity a little less than.Therefore, self-ventilated machine is difficult to meet well the application requirements of motor vehicle.Compare with self-ventilated machine, self-powered externally ventilated machine can continue to produce constant air quantity and blast, its rotating speed does not change with the rotation speed change of motor, therefore its cooling capacity when the slow-speed of revolution moves is stronger, but because self-powered externally ventilated machine continuous service need to expend a large amount of electric energy, and when motor speed is higher, motor internal heat is less, cause self-powered externally ventilated machine to consume energy when high rotating speed operation excessive.Therefore, self-powered externally ventilated machine is difficult to meet well the application requirements of motor vehicle equally.Based on this, be necessary to invent a kind of brand-new motor that can meet electric vehicle applications requirement, to solve, existing motor vehicle traction electric machine cooling capacity when the slow-speed of revolution moves is weak, excessive problem consumes energy when high rotating speed moves.
Summary of the invention
In order to solve, existing motor vehicle traction electric machine cooling capacity when the slow-speed of revolution moves is weak, the excessive problem that consumes energy when high rotating speed moves in the present invention, and a kind of slow-speed of revolution high efficiency and heat radiation, the energy-conservation vehicle automation control system motor of high rotating speed are provided.
The present invention adopts following technical scheme to realize: slow-speed of revolution high efficiency and heat radiation, the energy-conservation vehicle automation control system motor of high rotating speed, comprise support, front end housing, rear end cap, stator assembling, rotor assembling; Stator assembling comprises stator core; Rotor assembling comprises rotating shaft, rotor core; Front end housing is fixedly installed in the front end face of support; Rear end cap is fixedly installed in the rear end face of support; Stator core is fixedly installed in the internal circular surfaces of support; Rotor core is fixedly installed in the middle part of rotating shaft; Between the internal circular surfaces of stator core and the outer round surface of rotor core, leave axial air-gap; The end face of rotor core connects and offers axial ducts; The anterior inner chamber of support is provided with coaxial fan, and coaxial fan is fixedly installed in the front portion of rotating shaft; The anterior face of support connects and offers radially exhaust vent; The outer round surface of support is installed with blast switch, and the detection mouth of blast switch and exhaust vent position radially over against; The posterior face of support connects and offers radially fresh air inlet; The rear portion outer round surface of support is installed with air duct; The surface of air duct connects and offers air outlet, and the air outlet of air duct is communicated with fresh air inlet radially; The front-end and back-end of air duct are equipped with end wall, and the perforation of the front bulkhead of air duct offers axial installation through hole; The inner chamber of air duct is provided with and forces blower fan, and forces the casing supporting of blower fan to be fixed in axial installation through hole; The front end of axial air-gap, the front end of axial ducts are all communicated with exhaust vent radially by the anterior inner chamber of support; The rear end of axial air-gap, the rear end of axial ducts are all communicated with the inner chamber of air duct by fresh air inlet radially; That forces blower fan is connected with DCPS digitally controlled power source for electrical input; The signal input part of DCPS digitally controlled power source is connected with power board; The signal output part of blast switch is connected with the signal input part of power board.
During work, force blower fan to be powered by DCPS digitally controlled power source.Coaxial fan is driven and is carried out work by rotating shaft.Power board is installed in vehicle automation control system.Specific works process is as follows: coaxial fan is rotated under the drive of rotating shaft, and the cooling air that rotation produces is from radially exhaust vent discharge, and blast switch detects the radially blast of exhaust vent in real time.When the wind pressure value detecting is during lower than set point (being that motor moves in the slow-speed of revolution), blast switch is not to power board feedback signal, and power board is connected DCPS digitally controlled power source, makes to force fan starting.Force blower fan to blow out forward cooling air, this cooling air is divided into two-way: flow through successively radially fresh air inlet, axial air-gap of first via cooling air enters the anterior inner chamber of support, then through exhaust vent radially, discharges.In the process of axial air-gap of flowing through, heat exchange is carried out in first via cooling air and stator core, and the heat thus stator core being produced is taken away, and realization is cooling to stator core.Flow through successively radially fresh air inlet, axial ducts of the second road cooling air enter the anterior inner chamber of support, then through exhaust vent radially, discharge.In the process of axial ducts of flowing through, heat exchange is carried out in the second road cooling air and rotor core, and the heat thus rotor core being produced is taken away, and realization is cooling to rotor core.Meanwhile, coaxial fan carries out low speed rotation under the drive of rotating shaft.Under the low speed rotation effect of coaxial fan, the two-way cooling air that enters the anterior inner chamber of support accelerates, from radially exhaust vent discharge, effectively to have improved thus rate of heat exchange, thereby effectively strengthened cooling effect.When the wind pressure value detecting is during higher than set point (being that motor moves in high rotating speed), blast switch is to power board feedback signal, and power board cuts off DCPS digitally controlled power source, makes to force blower fan to close down, and forces blower fan to stop thus blowing out cooling air.Meanwhile, coaxial fan carries out High Rotation Speed under the drive of rotating shaft.Heat exchange is carried out in the cooling air that High Rotation Speed produces and stator core and rotor core, and realization is cooling to stator core and rotor core, then from radially exhaust vent discharge.Based on said process, compare with existing motor vehicle traction electric machine, slow-speed of revolution high efficiency and heat radiation of the present invention, the energy-conservation vehicle automation control system motor tool of high rotating speed has the following advantages: one, compare with self-ventilated machine, slow-speed of revolution high efficiency and heat radiation of the present invention, the energy-conservation vehicle automation control system motor of high rotating speed detects the wind pressure value of cooling air by employing blast switch, realized when motor speed is lower, force blower fan and coaxial fan to move simultaneously, by utilization, force blower fan can continue to produce the feature of constant air quantity and blast, enough large cooling air quantity and cooling wind pressure have been produced, effectively strengthened thus the cooling capacity of motor when the slow-speed of revolution moves.They are two years old, compare with self-powered externally ventilated machine, slow-speed of revolution high efficiency and heat radiation of the present invention, the energy-conservation vehicle automation control system motor of high rotating speed detect the wind pressure value of cooling air by employing blast switch, realized when motor speed is higher, only has coaxial fan operation, by utilizing the coaxial rotation speed of the fan feature consistent with the rotating speed of motor, produced enough large cooling air quantity and cooling wind pressure, effectively reduced thus the power consumption of motor when high rotating speed operation.In sum, the cooling structure of the energy-conservation vehicle automation control system motor of slow-speed of revolution high efficiency and heat radiation of the present invention, high rotating speed based on brand-new design, efficiently solve that existing motor vehicle traction electric machine cooling capacity when the slow-speed of revolution moves is weak, the excessive problem that consumes energy when high rotating speed operation, so the application requirements that it completely can motor vehicle.
The present invention is based on the cooling structure of brand-new design, efficiently solve that existing motor vehicle traction electric machine cooling capacity when the slow-speed of revolution moves is weak, the excessive problem that consumes energy when high rotating speed operation, be applicable to motor vehicle.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1-support, 2-front end housing, 3-rear end cap, 4-stator core, 5-rotating shaft, 6-rotor core, 7-axial air-gap, 8-axial ducts, the coaxial fan of 9-, 10-is exhaust vent radially, 11-blast switch, 12-is fresh air inlet radially, 13-air duct, 14-axially installs through hole, and 15-forces blower fan.
Embodiment
Slow-speed of revolution high efficiency and heat radiation, the energy-conservation vehicle automation control system motor of high rotating speed, comprise support 1, front end housing 2, rear end cap 3, stator assembling, rotor assembling; Stator assembling comprises stator core 4; Rotor assembling comprises rotating shaft 5, rotor core 6; Front end housing 2 is fixedly installed in the front end face of support 1; Rear end cap 3 is fixedly installed in the rear end face of support 1; Stator core 4 is fixedly installed in the internal circular surfaces of support 1; Rotor core 6 is fixedly installed in the middle part of rotating shaft 5; Between the outer round surface of the internal circular surfaces of stator core 4 and rotor core 6, leave axial air-gap 7; The end face of rotor core 6 connects and offers axial ducts 8; The anterior inner chamber of support 1 is provided with coaxial fan 9, and coaxial fan 9 is fixedly installed in the front portion of rotating shaft 5; The anterior face of support 1 connects and offers radially exhaust vent 10; The outer round surface of support 1 is installed with blast switch 11, and the detection mouth of blast switch 11 and exhaust vent 10 positions radially over against; The posterior face of support 1 connects and offers radially fresh air inlet 12; The rear portion outer round surface of support 1 is installed with air duct 13; The surface of air duct 13 connects and offers air outlet, and the air outlet of air duct 13 is communicated with fresh air inlet 12 radially; The front-end and back-end of air duct 13 are equipped with end wall, and the perforation of the front bulkhead of air duct 13 offers axial installation through hole 14; The inner chamber of air duct 13 is provided with and forces blower fan 15, and forces the casing supporting of blower fan 15 to be fixed in axial installation through hole 14; The front end of the front end of axial air-gap 7, axial ducts 8 is all communicated with exhaust vent 10 radially by the anterior inner chamber of support 1; The rear end of the rear end of axial air-gap 7, axial ducts 8 is all communicated with the inner chamber of air duct 13 by fresh air inlet 12 radially; That forces blower fan 15 is connected with DCPS digitally controlled power source for electrical input; The signal input part of DCPS digitally controlled power source is connected with power board; The signal output part of blast switch 11 is connected with the signal input part of power board.
During concrete enforcement, the number of described axial ducts 8 is several, and each axial ducts 8 are along circumferentially equidistantly arranging; The number of described radially exhaust vent 10 is several, and each radially circumferentially equidistant arrangement of exhaust vent 10 edges.
Claims (2)
1. slow-speed of revolution high efficiency and heat radiation, the energy-conservation vehicle automation control system motor of high rotating speed, comprise support (1), front end housing (2), rear end cap (3), stator assembling, rotor assembling; Stator assembling comprises stator core (4); Rotor assembling comprises rotating shaft (5), rotor core (6); Front end housing (2) is fixedly installed in the front end face of support (1); Rear end cap (3) is fixedly installed in the rear end face of support (1); Stator core (4) is fixedly installed in the internal circular surfaces of support (1); Rotor core (6) is fixedly installed in the middle part of rotating shaft (5);
It is characterized in that: between the internal circular surfaces of stator core (4) and the outer round surface of rotor core (6), leave axial air-gap (7); The end face of rotor core (6) connects and offers axial ducts (8); The anterior inner chamber of support (1) is provided with coaxial fan (9), and coaxial fan (9) is fixedly installed in the front portion of rotating shaft (5); The anterior face of support (1) connects and offers radially exhaust vent (10); The outer round surface of support (1) is installed with blast switch (11), and the detection mouth of blast switch (11) and exhaust vent (10) position radially over against; The posterior face of support (1) connects and offers radially fresh air inlet (12); The rear portion outer round surface of support (1) is installed with air duct (13); The surface of air duct (13) connects and offers air outlet, and the air outlet of air duct (13) is communicated with fresh air inlet (12) radially; The front-end and back-end of air duct (13) are equipped with end wall, and the perforation of the front bulkhead of air duct (13) offers axial installation through hole (14); The inner chamber of air duct (13) is provided with and forces blower fan (15), and forces the casing supporting of blower fan (15) to be fixed in axial installation through hole (14); The front end of the front end of axial air-gap (7), axial ducts (8) is all communicated with exhaust vent (10) radially by the anterior inner chamber of support (1); The rear end of the rear end of axial air-gap (7), axial ducts (8) is all communicated with the inner chamber of air duct (13) by fresh air inlet (12) radially; That forces blower fan (15) is connected with DCPS digitally controlled power source for electrical input; The signal input part of DCPS digitally controlled power source is connected with power board; The signal output part of blast switch (11) is connected with the signal input part of power board.
2. slow-speed of revolution high efficiency and heat radiation according to claim 1, the energy-conservation vehicle automation control system motor of high rotating speed, is characterized in that: the number of described axial ducts (8) is several, and each axial ducts (8) are along circumferentially equidistant arrangement; The number of described radially exhaust vent (10) is several, and each radially circumferentially equidistant arrangement of exhaust vent (10) edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310622119.8A CN103618412A (en) | 2013-11-30 | 2013-11-30 | Vehicle automatic control system motor capable of efficiently dissipating heat at low rotating speed and saving energy at high rotating speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310622119.8A CN103618412A (en) | 2013-11-30 | 2013-11-30 | Vehicle automatic control system motor capable of efficiently dissipating heat at low rotating speed and saving energy at high rotating speed |
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| Publication Number | Publication Date |
|---|---|
| CN103618412A true CN103618412A (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310622119.8A Pending CN103618412A (en) | 2013-11-30 | 2013-11-30 | Vehicle automatic control system motor capable of efficiently dissipating heat at low rotating speed and saving energy at high rotating speed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107565754A (en) * | 2017-10-26 | 2018-01-09 | 株洲时代电子技术有限公司 | A kind of hydro-generator ventilation radiator structure and method |
| CN114400810A (en) * | 2021-12-30 | 2022-04-26 | 中车永济电机有限公司 | Rotor sealing structure of forced ventilation cooling type permanent magnet synchronous motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05276711A (en) * | 1992-03-19 | 1993-10-22 | Nisshin Steel Co Ltd | Cooling control method for rotary machine |
| CN201210637Y (en) * | 2008-05-22 | 2009-03-18 | 永济新时速电机电器有限责任公司 | High-efficiently cooling traction motor |
| CN101431282A (en) * | 2008-12-13 | 2009-05-13 | 永济新时速电机电器有限责任公司 | Frequency conversion permanent magnet synchronous motor |
| CN203562886U (en) * | 2013-11-30 | 2014-04-23 | 永济新时速电机电器有限责任公司 | Low rotation-speed efficient heat dissipation and high-rotation speed energy saving vehicle automation control system motor |
-
2013
- 2013-11-30 CN CN201310622119.8A patent/CN103618412A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05276711A (en) * | 1992-03-19 | 1993-10-22 | Nisshin Steel Co Ltd | Cooling control method for rotary machine |
| CN201210637Y (en) * | 2008-05-22 | 2009-03-18 | 永济新时速电机电器有限责任公司 | High-efficiently cooling traction motor |
| CN101431282A (en) * | 2008-12-13 | 2009-05-13 | 永济新时速电机电器有限责任公司 | Frequency conversion permanent magnet synchronous motor |
| CN203562886U (en) * | 2013-11-30 | 2014-04-23 | 永济新时速电机电器有限责任公司 | Low rotation-speed efficient heat dissipation and high-rotation speed energy saving vehicle automation control system motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107565754A (en) * | 2017-10-26 | 2018-01-09 | 株洲时代电子技术有限公司 | A kind of hydro-generator ventilation radiator structure and method |
| CN114400810A (en) * | 2021-12-30 | 2022-04-26 | 中车永济电机有限公司 | Rotor sealing structure of forced ventilation cooling type permanent magnet synchronous motor |
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Application publication date: 20140305 |