CN1030440C - Electric automobile - Google Patents
Electric automobile Download PDFInfo
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- CN1030440C CN1030440C CN91104136A CN91104136A CN1030440C CN 1030440 C CN1030440 C CN 1030440C CN 91104136 A CN91104136 A CN 91104136A CN 91104136 A CN91104136 A CN 91104136A CN 1030440 C CN1030440 C CN 1030440C
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- electrical motor
- cooling media
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- cooling
- electronlmobil
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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
An electric automobile of this invention is provided with motors (8, 10, 15, 21, 50, 80) for driving wheels and with refrigerating cycle for indoor air conditioning. The refrigerating cycle comprises a compressor (7, 22, 57), an outdoor heat exchanger (6, 25, 53), expansion valves (3a, 3b, 13, 27, 28, 55, 58), and an indoor heat exchanger (4, 29, 54), which are connected to each other one by one with refrigerant piping. The motor (8, 10, 15, 21, 50, 80) is disposed in the refrigerating cycle so as to be cooled thereby.
Description
The present invention relates to a kind of electronlmobil, particularly a kind of electronlmobil of cool motors effectively with the electrical motor that is used for drive wheels.
Electronlmobil has the electrical motor that is used for drive wheels.This electronlmobil just is being subjected to people's attention owing to solved green-house effect and the atmosphere polluting problem that carbon dioxide contained in the exhaust of existing internal combustion engine type automobile causes.But electronlmobil is compared with the internal combustion engine type automobile, and horsepower, moment of torsion is all quite low, and owing to be used for the problem of the capacitance of the efficient of electrical motor of drive wheels and battery, electronlmobil whenever fills once the distance that can travel behind the electricity and must not say so enough.In addition, the heat that distributes owing to electrical motor is along with the rising of output power of motor is risen, and the coil of electrical motor can burn out because of unusual intensification, and the efficient of electrical motor can reduce because of the thermal demagnetization of magnet, therefore, cool motors has become a big problem that keeps the electronlmobil aspect of performance.
In order to carry out the cooling of electrical motor, the cooling mechanism that utilizes the cold air that is produced by cooling media formula air conditioner for automobile is adopted in general normal consideration.A part of cold air that this cooling mechanism is used the indoor air-cooling system of automobile by the air blast power of fan is delivered to front-wheel, trailing wheel driving motor separately through damper and air duct, so that it is cooled off.
In above-mentioned cooling mechanism, because the air conditioner for automobile machine is normally placed in by the front-wheel, the cold air that therefore is transported to the drive motor of front-wheel is very cold.But for the drive motor of trailing wheel, because air duct is longer, cold air has warmed when arriving electrical motor, therefore can not cool off fully.In addition, the surface of a this cooling mechanism cool motors, cool motors fully.In order to deliver air to the drive motor of trailing wheel, also must use the big fan of the blow rate required, the therefore big problem of power consumption that causes by fan in addition.
The present invention has considered the problems referred to above, and purpose is to provide a kind of electronlmobil that can simply and efficiently cool off the electrical motor of drive wheels.
The feature of electronlmobil of the present invention is, electrical motor and cooling cycle system with drive wheels, this cooling cycle system is linked in sequence by compressor, outdoor heat converter, expansion valve and indoor heat converter and forms, cooling media flows therein, above-mentioned electrical motor is arranged in the above-mentioned cooling cycle system, by cooling media it is cooled off.
The present invention is owing to directly cool off electrical motor with cooling media, so cooling effectiveness is higher.
Fig. 1 is the plane sketch of first embodiment of expression electronlmobil of the present invention.
Fig. 2 is the lateral plan of expression electronlmobil front-wheel electrical motor shown in Figure 1.
Fig. 3 is the lateral plan of expression electronlmobil rear wheel motor shown in Figure 1.
Fig. 4 is the transparent view of variation of first embodiment of expression electronlmobil.
Fig. 5 be expression electronlmobil of the present invention second embodiment when the air-cooling system the sketch of cooling cycle system.
Fig. 6 is the system schematic of the state when representing cooling cycle system shown in Figure 5 as heating arrangement.
Fig. 7 is the integral planar sketch of second embodiment of expression electronlmobil.
Fig. 8 is the plane sketch of variation of second embodiment of expression electronlmobil.
Fig. 9 is the plane sketch of another variation of second embodiment of expression electronlmobil.
Figure 10 is the sketch of the cooling cycle system when the air-cooling system of the 3rd embodiment of expression electronlmobil of the present invention.
Figure 11 is the cooling media pipeline structure figure of the 3rd embodiment shown in Figure 10.
Figure 12 is the sectional side view of electrical motor of the 3rd embodiment of expression electronlmobil.
Figure 13 is the sectional side view of electrical motor of variation of the 3rd embodiment of expression electronlmobil.
Figure 14 is the scheme drawing of the 4th embodiment of expression electronlmobil of the present invention, also is the sectional side view of first kind of structure of expression electrical motor.
Figure 15 is the scheme drawing of the 4th embodiment of expression electronlmobil, also is the sectional side view of second kind of structure of expression electrical motor.
Figure 16 is the scheme drawing of the 4th embodiment of expression electronlmobil, also is the sectional side view of the third structure of expression electrical motor.
Figure 17 is the scheme drawing of the 4th embodiment of expression electronlmobil, also is the sectional side view of the 4th kind of structure of expression electrical motor.
Figure 18 is the scheme drawing of the 4th embodiment of expression electronlmobil, also is the sectional side view of the 5th kind of structure of expression electrical motor.
Figure 19 is the scheme drawing of the 4th embodiment of expression electronlmobil, also is the sectional side view of the 6th kind of structure of expression electrical motor.
Figure 20 is the scheme drawing of the 4th embodiment of expression electronlmobil, also is the sectional side view of the 7th kind of structure of expression electrical motor.
The following describes and implement best mode of the present invention.
First embodiment of § 1 electronlmobil
1.1 basic structure
Fig. 1 is the planar view of first embodiment of expression electronlmobil of the present invention.In Fig. 1, be arranged on cooling cycle system in the electronlmobil and be linked in sequence by cooling media pipeline 1 by compressor 7, outdoor heat converter 6, expansion valve 3 and indoor heat converter 4 and form.In this cooling cycle system, when the compression cooling medium (Off ロ Application gas etc.) of outdoor heat converter 6 cooling is being about in the inlet chamber H Exch 4, by drive motor 8 from drive motor 10 shuntings of cooling media pipeline 1 to front-wheel 2a and trailing wheel 2b.In when shunting, though can resembling originally with cooling media pipeline 1 fork, if use distributing box, then can make fractional flow more accurately, even, thereby the difference of dwindling cooling effectiveness between the drive motor of each wheel.In each cooling media pipeline 1 after shunting, electrical motor 8,10 places near drive wheels are provided with expansion valve 13a, 13b.The cooling media of adiabatic expansion is admitted to the inside of indoor heat converter 4 and electrical motor 8,10 through being arranged near indoor heat converter 4 and each electrical motor 8,10 expansion valve 3,13a, 13b, when the cooling electronlmobil is indoor, the electrical motor 8,10 of heat-producing drive wheels is cooled down.Label 5 expression fans among Fig. 1.
As shown in Figure 2, the cooling media pipeline 1 that leads to front-wheel 2a be arranged on front-wheel 2a drive motor 8 top and pass the inside of steering shaft 9, can not bring obstacle to steering hardware.Label 11a represents the main shaft of electrical motor 8 among Fig. 2.On the other hand, as shown in Figure 3, if there is no need to be provided with steering hardware on the trailing wheel 2b, the cooling media pipeline 1 that leads to trailing wheel 2b brings obstacle just can for the rotation of trailing wheel 2b, and this pipeline can be arranged on Anywhere so.Label 11b represents the main shaft of electrical motor 10 among Fig. 3.But, for on the electrical motor 8 of the drive wheels that is arranged on front-wheel 2a and the cooling media pipeline 1 on the electrical motor 10 of the drive wheels of trailing wheel 2b, in order to make the mobile smooth and easy of cooling media, the cooling media inlet is located at top, the cooling media outlet is located at the bottom, can cools off whole electrical motor 8,10 reliably.
The cooling media that warms because of the electrical motor 8,10 and the interchange of heat between the cooling media of drive wheels is transfused to compressor 7, is transported to outdoor heat converter 6 after adiabatic compression becomes high-temperature high-pressure state again.By repeating such process, no matter the electrical motor of drive wheels the 8, the 10th, running still is to stop, and cool motors 8,10 efficiently.Therefore can prevent to cause coil to burn out and cause that efficient reduces because of the degaussing of magnet because of electrical motor 8,10 abnormal heatings.
Simultaneously, utilize indoor heat converter 4, also can be used as the indoor air-cooling system of automobile.
1.2 variation
The variation of first embodiment of electronlmobil is described below with reference to Fig. 4.Parts identical with Fig. 1 among Fig. 4 are represented with identical label, and are no longer described in detail.
In the variation of electronlmobil shown in Figure 4, for two front-wheel 2a the electrical motor 15 of 1 drive wheels only is set, by change-speed box 16 in the future the propulsive effort of the electrical motor 15 of self-driven wheel pass to two front-wheel 2a.The others of electronlmobil shown in Figure 4 are the same with electronlmobil shown in Figure 1.
In Fig. 4,7 compressions of compressed machine are also shunted and are sent to indoor heat converter 4 and electrical motor 15 through the cooling media of outdoor heat converter 6 coolings.The cooling media that is sent to indoor heat converter 4 carries out H Exch 4 in adiabatic expansion and the inlet chamber by near the expansion valves 3 that are arranged on the indoor heat converter 4, returns compressor 7 after cooling electronlmobil indoor.The cooling media of being transported to electrical motor 15 carries out adiabatic expansion and enters electrical motor 15 by being arranged near electrical motor 15 expansion valves 13, returns compressor after cool motors 15.
Second embodiment of § 2 electronlmobils
2.1 basic structure
Fig. 5 is to second embodiment that Figure 7 shows that electronlmobil.Wherein, the electric automobile heat-pump formula cooling cycle system when the electric automobile heat-pump formula cooling cycle system when Fig. 5 represents as air-cooling system, Fig. 6 are represented as heating arrangement, Fig. 7 represents the overall plan view of electronlmobil.
In Fig. 5 and Fig. 7, the cooling cycle system of electronlmobil is set to the air-cooling system pattern, compressed machine 22 compressions and the cooling media gas that is in high-temperature high-pressure state flows through cooling media pipeline 23, and be transported to outdoor heat converter 25 through change-over valve 24.When pressing the air-cooling system mode operation, outdoor heat converter 25 plays condenser.When pressing the air-cooling system mode operation, because electromagnetic valve 27 is in full-gear, under the effect from the air blast of cooling fan 26, the cooling media (Off ロ Application gas etc.) that becomes the liquid of cryogenic high pressure in outdoor heat converter 25 after the cooling is sent near the indoor heat converter 29 that is used for the electronlmobil room conditioning and near the electrical motor 21.At this moment, indoor heat converter 29 plays evaporator.Then, liquid cooling medium after being arranged on the indoor heat converter expansion valve that is used for indoor heat converter 28 throttlings nearby becomes the gas-liquid state of low-temp low-pressure, and carry out interchange of heat by indoor heat converter 29 and ambient air, cooled air just can cool off the indoor of electronlmobil under the effect of fan 30 like this, on every side.Carry out interchange of heat in indoor heat converter 29 after, cooling media is transported to compressor 22 by mode shown in Figure 5 by change-over valve 31.
On the other hand, the cooling media that is sent to electrical motor 21 is transfused to electrical motor 21 after being arranged on electrical motor 21 expansion valve that is used for electrical motor 32 throttlings nearby, electrical motor 21 is cooled off.At this moment, because electrical motor 21 itself is equivalent to an evaporator, therefore can waste seldom also rapidly, cool motors 21 effectively.The cooling media that has carried out interchange of heat by electrical motor is transported to compressor 22 equally, and compressed machine 22 is collapsed into the cooling media gas of High Temperature High Pressure, is sent to outdoor heat converter 25 by change-over valve 24 again, repeats above-mentioned cyclic process.
As shown in Figure 7, be delivered to front-wheel 2a by change-speed box 36, electronlmobil is travelled from the propulsive effort of electrical motor 21.Label 2b represents trailing wheel among Fig. 7.
Describe below with reference to the electronlmobil cooling cycle system of Fig. 6 to the time by the heating arrangement mode operation.
During by the heating arrangement mode operation, the compression cooling medium from compressor 22 outputs is transported to indoor heat converter 29 by change-over valve 24 and change-over valve 31 as shown in Figure 6.At this moment, indoor heat converter 29 plays condenser.After carrying out interchange of heat by indoor heat converter and on every side cold air, cooling media becomes the liquid of cryogenic high pressure, and is transported to electrical motor 21 through check valve 37.At this moment, because electromagnetic valve 27 is in buttoned-up status, so cooling media can not flow to outdoor heat converter 25.Be sent to the cooling media of electrical motor 21, after being arranged near expansion valve 32 throttlings the electrical motor 21, electrical motor 21 cooled off.At this moment because electrical motor itself is equivalent to an evaporator, therefore can waste seldom and rapidly, cool motors 21 effectively.Carry out interchange of heat in electrical motor 21 after, cooling media is transported to compressor 22, and compressed machine 22 compressions and become the cooling media gas of High Temperature High Pressure are transported to indoor heat converter 29 by change-over valve 24 and change-over valve 31 again, repeat above-mentioned cyclic process.
Like this, by electrical motor is arranged in the cooling cycle system of electronlmobil, and make this system, just can make the cooling of indoor heating and cooling equipment and electrical motor all become possibility with a cooling cycle system with heat pump mode work.Thereby can obtain a kind of very economical electronlmobil.
2.2 variation
The following variation that second embodiment of electronlmobil is described with reference to Fig. 8.In Fig. 8, the parts identical with Fig. 7 are represented with identical label, and are no longer described in detail.
In the variation of electronlmobil shown in Figure 8, when as air-cooling system, 22 compressions of the compressed machine of cooling media and from change-over valve 24 by behind the outdoor heat converter 25, by change-over valve 40 and 28 throttlings of the expansion valve through being used for indoor heat converter, enter indoor heat converter 29 then and it is cooled off.At this moment, cooling media is maintained at the state that can not evaporate fully in indoor heat converter 29, and is delivered directly to electrical motor 21 from change-over valve 41.The cooling media of evaporation does not evaporate when electrical motor is cooled off fully fully, returns compressor 22 then.At this moment, the expansion valve 32 that is used for electrical motor is in full-gear.
On the other hand, in Fig. 8, when when the heating arrangement, compressed machine 22 compressions also are sent to the cooling media of indoor heat converter 29 by change-over valve 24 and 41, by the air of indoor heat converter circumference, itself become cryogenic liquid simultaneously.This liquid cooled Jie medium is by check valve 37, is sent to the expansion valve 32 that is used for electrical motor and after throttling electrical motor 21 cooled off from change-over valve 40, returns compressor 22 then.
Figure 9 shows that another variation.In Fig. 9, when as air-cooling system, compressed machine 22 compresses and passes through the cooling media of outdoor heat converter 25, after 28 throttlings of the expansion valve through being used for indoor heat converter, indoor heat converter 29 is cooled off.Simultaneously, the cooling media by outdoor heat converter 25 also is transported to the expansion valve 32 that is used for electrical motor concurrently, after expansion valve 32 throttlings through being used for electrical motor, electrical motor 21 is cooled off.Return compressor 22 through change-over valve 43 and change-over valve 44 respectively from the cooling media of indoor heat converter 29 with from the cooling media of electrical motor 21.
In Fig. 9, when when the heating arrangement, compressed machine 22 compressions and the cooling media by outdoor heat converter 25 are because of the conversion of change-over valve 42 only enters the expansion valve 32 that is used for electrical motor.Cooling media after expansion valve 32 throttlings cools off electrical motor 21.Cooling media by the heat from electrical motor 21 heats is sent to indoor heat converter 29, and with its ambient air heating.Then, cooling media returns compressor 22 by check valve 37 and change-over valve 42.
The 3rd embodiment of § 3 electronlmobils
3.1 basic structure
Figure 10 to Figure 12 represents the 3rd embodiment of electronlmobil.
The electrical motor 50 that Figure 10 has drive wheels to electronlmobil shown in Figure 12, this electrical motor is an external-rotor motor, promptly this electrical motor has the stator 61 on the outside face that is installed in anchor shaft 51 and is arranged on stator 61 outside rotor 62.
Figure 10 is the partial plan of electronlmobil.
In Figure 10, compressed machine 57 compressions are sent to the anchor shaft 51 of indoor heat converter 54 and electrical motor 50 also by the liquid cooling medium with fan 53a cooled cryogenic high pressure in outdoor heat converter 53 by cooling media input channel 52.Through being arranged near the liquid cooling medium of the expansion valve that is used for indoor heat converter 55 throttlings the indoor heat converter 54, becoming the gas-liquid of low-temp low-pressure, and carry out interchange of heat by indoor heat converter and ambient air.Cooled air is blown into the indoor of electronlmobil by fan 56 on every side.
As Figure 11 and shown in Figure 12, anchor shaft 51 runs through the inside of the stator 61 of electrical motor 50.Be sent to the cooling media of anchor shaft 51, after being arranged near the expansion valve that is used for electrical motor 58 throttlings the electrical motor 50, from a plurality of inflow pipes 59 input anchor shafts 51 in-to-in cooling media pipelines 65.Cooling media in the input cooling media pipeline 65 makes stator 61 coolings of heat-producing electrical motor 50.At this moment since with anchor shaft 51 itself as evaporator, and cool off stator 61 and whole electrical motor 50 by interchange of heat, therefore can waste seldom, cool off rapidly and effectively.Pass through such interchange of heat and the cooling media of temperature rising, after effuser 60 flows out, be transported to compressor 57 by cooling media reflux line 63 again from anchor shaft 51 in-to-in cooling media pipelines 65.Then, cooling media is compressed into the cooling media gas of High Temperature High Pressure in compressor 57, is transported to outdoor heat converter 53 again and becomes the liquid of cryogenic high pressure, repeats above-mentioned cyclic process.
In Figure 12, the wheel rim 66 of direct maintenance tire 67 is housed on the excircle of rotor 62.
3.2 variation
The variation of the 3rd embodiment of electronlmobil is described below with reference to Figure 13.
In the variation of electronlmobil shown in Figure 13, the parts identical with Figure 12 are represented with identical label and are no longer described in detail.In Figure 13, the excircle 61a and the sealed cover 68 of side 61b that are installed in the stator 61 on the anchor shaft 51 surround sealing fully.Inflow pipe 71 and effuser 72 with seal closure 68 internal communication are set in anchor shaft 51.In Figure 13, the cooling media that flows in the seal closure 68 from inflow pipe 71 can carry out the failure-free cooling to stator 61, and stator 61 cooled cooling medias are flowed out seal closure 68 from effuser 72.
The 4th embodiment of § 4 electronlmobils
Figure 14 to Figure 20 represents the 4th embodiment of electronlmobil.First embodiment of the 4th embodiment and electronlmobil shown in Figure 1 compares with second embodiment of electronlmobil shown in Figure 5, and except the inner structure of the electrical motor of drive wheels has the many variations, other structure and first and second embodiment's is roughly the same.
4.1 first kind of structure of electrical motor
First kind of structure of electrical motor is described below with reference to Figure 14.As shown in figure 14, electrical motor 80 has seal casinghousing 85, is arranged on seal casinghousing 85 in-to-in flanges 84 and by the stator 82 of flange 84 supporting.Rotor 83 is located at the inboard of stator 82, and axle drive shaft 81 is captiveed joint with the inner peripheral surface of rotor 83.On seal casinghousing 85, be connected with the effuser 87 that is used to make the inflow pipe 86 in cooling media (Off ロ Application gas etc.) the inflow housing 85 and makes the cooling media outflow in the housing 85.Also be connected with on the stator 82 and pass the lead 88 that seal casinghousing 85 extends to the outside.
In Figure 14, from the cooling media that inflow pipe 86 flows in the seal casinghousing 85, cooling is located at stator 82 and the rotor 83 in the seal casinghousing 85 respectively, flows out from effuser 87 then.
4.2 second kind of structure of electrical motor
Second kind of structure of electrical motor is described below with reference to Figure 15.Electrical motor 80 shown in Figure 15 is used to make the wick 89 that cooling media spreads efficiently except being provided with on the inside face of its seal casinghousing 85, and other structure is identical with first kind of structure of electrical motor 80 shown in Figure 14.
According to electrical motor shown in Figure 15, flow into cooling media in the seal casinghousings 85 from inflow pipe 86, be diffused into the inside of seal casinghousing 85 by means of the capillarity of wick 89, thereby the inside of coolant seal housing 85 effectively.
4.3 the third structure of electrical motor
The third structure of electrical motor is described below with reference to Figure 16.In Figure 16, the parts identical with electrical motor shown in Figure 14 are represented with identical label and are no longer described in detail.The inside of the seal casinghousing 85 of electrical motor 80 shown in Figure 16 is separated by a next door 91, forms reservoir 90 in one of them compartment, and stator 82, rotor 83 and axle drive shaft 81 are installed in another compartment.Be provided with U-shaped connection pipe 92 in the reservoir 90, this connection pipe 92 is connected with another compartment that stator 82 grades are housed and some is cut off, and this pipe 92 also links to each other with effuser 87.Liquid cooling medium 93 is stored in the reservoir 90, is provided with flow measurement hole 94 in the bottom of U-shaped connection pipe 92.
According to electrical motor shown in Figure 16 80, the cooling media from inflow pipe 86 inflow seal casinghousings 85 enters reservoir 90 after cooling stator 82 and rotor 83.Enter the cooling media gas-liquid separation herein of reservoir 90, gaseous cooling medium enters connection pipe 92 from the fracture end 92a of connection pipe 92, and flows out from effuser 87, and liquid cooling medium is stored in the reservoir.The flow measurement hole 94 of connection pipe 92 is arranged on height and the roughly the same part of the electrolyte level of liquid cooling medium 93.When the gaseous cooling medium that enters inflow pipe 87 tailed off, this flow measurement hole 94 just sucked liquid cooling medium 93 as a supplement.
4.4 the 4th kind of structure of electrical motor
The 4th kind of structure of electrical motor is described below with reference to Figure 17.In Figure 17, the parts identical with electrical motor shown in Figure 14 are represented no longer to be described in detail with identical label.
As shown in figure 17, the compressor 95 of electrical motor 80 and cooling cycle system is designed to adjoin each other and becomes one.That is, with the inside separated into two parts of next door with common seal casinghousing 85, a part is the seal casinghousing 85a of electrical motor, and another part is the seal casinghousing 85b of compressor.Compressor motor 96 is arranged in the seal casinghousing 85b of compressor, the effuser 87 of electrical motor 80 and the internal communication of compressor seal housing 85b.Cooling media by inflow pipe 86 inflow motor seal casinghousing 85a cools off stator 82 and rotor 83 respectively, flows in the compressor seal housing 85b from effuser 87 then, and cooling compressor motor 96 backs are discharged to next link from exhaust tube 97.In Figure 17, label 99 expressions are used for the lead of compressor motor 96.
4.5 the 5th kind of structure of electrical motor
The 5th kind of structure of electrical motor is described below with reference to Figure 18.As shown in figure 18, electrical motor 80 has stator 82 that is kept by flange 84 and the rotor 83 that is arranged on the stator inboard.Axle drive shaft 81 is fixedly mounted on the inboard of rotor 83.
The but coiled type tubule 101 that flows into of the cooling media of stator 82 of cooling of on the excircle of stator 82, reeling.Cooling media is from inflow pipe 102 inflow line round tubules 101, and the cooling media in the coiled type tubule 101 flows out from effuser 103.
In Figure 18, also be connected with lead 88 on the stator 82, this lead 88 passes flange 84 and stretches to the outside.
4.6 the 6th kind of structure of electrical motor
The 6th kind of structure of electrical motor is described below with reference to Figure 19.Electrical motor 80 shown in Figure 19 is except being provided with the cooling sleeve pipe 105 that but medium flows on the excircle of stator 82, the 5th kind of structure of other parts and electrical motor shown in Figure 180 80 is roughly the same.In Figure 19, cooling media flows in the sleeve pipe 105 from inflow pipe 106, and stator 82 is cooled off after effuser 107 flows out.
4.7 the 7th kind of structure of electrical motor
The 7th kind of structure of electrical motor is described below with reference to Figure 20.Electrical motor 80 shown in Figure 20 is except the sealed cover 110 in external peripheral surface, inner circumferential surface and the side of stator 82 surrounds sealing fully, and the 5th kind of structure of other parts and electrical motor 80 shown in Figure 180 is roughly the same.That is, stator 82 runs through its inner space except driven shaft 81 and rotor 83, and all sealed cover 110 in its external peripheral surface, inner circumferential surface and side seals fully.Also be connected with on the seal closure 110 and make cooling media flow into inflow pipe 111 in the seal closure 110 and the effuser 112 that cooling media is flowed out from seal closure 110.
Practicality of the present invention is embodied in the nuisanceless automobile of the internal combustion engine type automobile that electronlmobil of the present invention can be instead existing and is widely used.
Claims (10)
1, a kind of electronlmobil, has the electrical motor of drive wheels and by compressor, outdoor heat converter, expansion valve and indoor heat converter are linked in sequence and form the cooling cycle system that cooling media is flowed therein, above-mentioned electrical motor is arranged in the above-mentioned cooling cycle system and by cooling media it is cooled off, it is characterized in that: described refrigerating cycle is provided with change-over valve at the outlet side of compressor, one of the cooling media that flows out from compressor is freely changed flow to described outdoor heat converter or the indoor heat converter, described electrical motor is arranged in the refrigerating cycle in the cooling media pipeline after described expansion valve expands.
2, electronlmobil according to claim 1, it is characterized in that: described electrical motor has seal casinghousing, at the stator of being admitted and being kept by flange of sealing enclosure interior, and be arranged on the rotor that axle drive shaft is equipped with in the stator inboard, be connected with the effuser that makes cooling media flow into the inflow pipe in the housing and the cooling media in the seal casinghousing is flowed out on the above-mentioned seal casinghousing.
3, electronlmobil according to claim 2 is characterized in that: be provided with the wick that can make the efficient diffusion of cooling media in the seal casinghousing of described electrical motor.
4, electronlmobil according to claim 2 is characterized in that: be provided with the reservoir that makes the cooling media gas-liquid separation in the seal casinghousing of described electrical motor, be connected with effuser on reservoir.
5, electronlmobil according to claim 1 is characterized in that: the compressor of described cooling cycle system and described electrical motor adjacency also are designed to one.
6, electronlmobil according to claim 1, it is characterized in that: described electrical motor has the stator that is kept by flange and is arranged on stator inboard and the rotor of axle drive shaft is housed, the but coiled type tubule that flows into of medium of cooling of reeling on the excircle of this stator.
7, electronlmobil according to claim 1, it is characterized in that: described electrical motor has the stator that is kept by flange and is arranged on stator inboard and the rotor of axle drive shaft is housed, the excircle of said stator is provided with the sleeve pipe that imports cooling media, is connected with the effuser that makes cooling media flow into the inflow pipe in the sleeve pipe and the cooling media in the sleeve pipe is flowed out on this sleeve pipe.
8, electronlmobil according to claim 1, it is characterized in that: electrical motor has the stator that is kept by flange and is arranged on stator inboard and the rotor of axle drive shaft is housed, the sealed cover in the external peripheral surface of said stator, inner circumferential surface and side surrounds fully, is connected with the effuser that makes cooling media flow into the inflow pipe in the seal closure and the cooling media in the seal closure is flowed out on the sealing cover.
9, electronlmobil according to claim 1, it is characterized in that: described electrical motor has the stator that is installed on the anchor shaft excircle and is arranged on the stator outside and has wheel rim to be installed in rotor on its excircle, inside at the said fixing axle forms the cooling media pipeline, the effuser that is connected with the inflow pipe that makes in the cooling media flow ipe and the cooling media in the pipeline is flowed out on this cooling media pipeline.
10, electronlmobil according to claim 1, it is characterized in that: described electrical motor has the stator that is installed on the anchor shaft excircle and is located at the stator outside and has wheel rim to be installed in rotor on its excircle, the sealed cover in the external peripheral surface of said stator and side seals fully, is connected with the effuser that makes cooling media flow into the inflow pipe in the seal closure and the cooling media in the seal closure is flowed out on the sealing cover.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP134642/90 | 1990-05-24 | ||
| JP13464290 | 1990-05-24 | ||
| JP315431/90 | 1990-11-20 | ||
| JP315432/90 | 1990-11-20 | ||
| JP31543290 | 1990-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1058184A CN1058184A (en) | 1992-01-29 |
| CN1030440C true CN1030440C (en) | 1995-12-06 |
Family
ID=26468692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN91104136A Expired - Lifetime CN1030440C (en) | 1990-05-24 | 1991-05-24 | Electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1030440C (en) |
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| JP5466201B2 (en) * | 2011-06-08 | 2014-04-09 | トヨタ自動車株式会社 | Electric car |
| CN102862458A (en) * | 2011-07-05 | 2013-01-09 | 上海双桦工贸有限公司 | Electric automobile heating system with heat absorber |
| CN104999886B (en) * | 2014-04-21 | 2017-06-23 | 上海汽车集团股份有限公司 | The control method and system of electric automobile air conditioner |
| CN109849635A (en) * | 2018-12-27 | 2019-06-07 | 清华大学苏州汽车研究院（吴江） | A kind of cooling system and electric car of hub motor for electric automobile |
| CN110224553B (en) * | 2019-06-24 | 2020-11-24 | 合肥工业大学 | Integrated cooling system of four-wheel hub motor drive |
-
1991
- 1991-05-24 CN CN91104136A patent/CN1030440C/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525742A (en) * | 2020-04-29 | 2020-08-11 | 东营科技职业学院 | High-efficient cooling heat abstractor of new energy automobile motor |
| CN111525742B (en) * | 2020-04-29 | 2021-09-07 | 东营科技职业学院 | High-efficient cooling heat abstractor of new energy automobile motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1058184A (en) | 1992-01-29 |
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| C14 | Grant of patent or utility model | ||
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| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
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Expiration termination date: 20110524 Granted publication date: 19951206 |