CN101057385A - Totally enclosed main electric motor for driving vehicle - Google Patents

Totally enclosed main electric motor for driving vehicle Download PDF

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Publication number
CN101057385A
CN101057385A CN 200580039109 CN200580039109A CN101057385A CN 101057385 A CN101057385 A CN 101057385A CN 200580039109 CN200580039109 CN 200580039109 CN 200580039109 A CN200580039109 A CN 200580039109A CN 101057385 A CN101057385 A CN 101057385A
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CN
China
Prior art keywords
mentioned
air channel
totally enclosed
main electric
electric motor
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Pending
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CN 200580039109
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Chinese (zh)
Inventor
野田伸一
小山泰平
小林芳隆
八木信行
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Toshiba Corp
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Toshiba Corp
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Publication of CN101057385A publication Critical patent/CN101057385A/en
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Abstract

The invention provides a full closed main motor used for driving a vehicle. The internal circumference of an external cylinder shell is provided with a stator iron core; one end of the external cylinder shell is provided with a supporting frame in which a bearing is arranged, while the other end thereof is provided with a shell in which a bearing is also arranged; the two ends of the rotor shaft are supported by all the bearings; the rotor shaft is provided with the rotor iron core; one end of the rotor shaft is provided with a fan; the two ends of the circumferential wall of the external cylinder shell are provided with opening parts; the external side of the circumferential wall is provided with a connecting wind duct which is communicated with the opening parts; the invention is also provided with a cooler which is communicated with the connecting wind ducts and dissipates the heat of the internal air to the external air; the central shaft of the external cylinder shell is horizontal and is arranged on the vehicle in a direction orthogonal to the driving direction of the vehicle; the air in the external cylinder shell circularly flows into the cooler and cools the cooler by the rotation of the fan; wherein, the full closed main motor is provided with a guide plate which collects the moving wind which flows around the external cylinder shell to the cooler.

Description

Totally enclosed main electric motor for driving vehicle
Technical field
The present invention relates to a kind of vehicle traction that is used to drive rail truck with full cut-off type motor (vehicle traction main motor), particularly relate to full cut-off type motor with the full cut-off structure that outer gas is not brought into motor interior.
Background technology
In the past, vehicle traction main motor as the bogie frame under the base plate that is equipped on rail truck (bogie), adopt open main motor (the open self-ventilation type of cooling), this open main motor is provided with fan on the armature spindle of motor, by the fan that rotates with this armature spindle air outside is drawn into main motor inside, make inhaled air flow to main motor inside, rotor, stator are cooled off.
Occasion in this open self-ventilation type of cooling, in order to prevent owing to the cooling that is blended into suction tarnishes motor interior with the dust in the outer gas (flowing into outer gas), in suction unit (air inlet oral area) ventilation filter is set, utilizes the filter in the ventilation filter to catch the dust that flows into outer gas.
In order to prevent to make that owing to the mesh obstruction of filter flowing into outer gas reduces the excessive temperature rising that causes motor, need be filter be cleaned than the cycle during short.
Yet, fully catch dust by filter and be difficult to, so, the dust that enters in the motor is attached to motor interior, assembles gradually, makes decreasing insulating and cooling effect descend, so, need the cleaning of termly motor being decomposed, being used to remove inner dust.
To this,, developed the Totally enclosed main electric motor for driving vehicle that is provided with fan in inside for laborsavingization of tackling maintenance, the requirement of low noiseization.In this Totally enclosed main electric motor for driving vehicle, separate by it is inner and outside, can prevent that dust from invading inside with outer gas, can prevent the coil of this stained inside of dust, suppress the increase of the frequency of these stained Maintenance and Repair that cause.
In addition,, can prevent that the noise of the rotation generation of fan inside from outwards distributing by forming the full cut-off structure, so, also can protect environment.
On the other hand, in the occasion of vehicle traction, though along with the high speed of train requires high capacity, when its lift-launch place is the small space that is restricted of bogie frame described later with main motor, for the high speed of above-mentioned train, require miniaturization and weight reduction.
In order to tackle this conflicting requirement, though can improve the thermal endurance of the insulating resin etc. of coil, but in order to prevent the deterioration of this insulating resin, keep insulation characterisitic, realize long lifetime, thereby prevent the increase of the frequency of Maintenance and Repair, must improve the cooling performance of vehicle traction with main motor.
For example, in Japanese kokai publication hei 9-205758 communique, one example of the Totally enclosed main electric motor for driving vehicle that improves this cooling performance is disclosed, Fig. 1 is the axial cutaway view on the top of this Totally enclosed main electric motor for driving vehicle, Fig. 3 is the III-III line cutaway view of Fig. 1, Fig. 4 is the vertical view of the state on the bogie that this Totally enclosed main electric motor for driving vehicle is equipped on vehicle, and Fig. 5 is the V-V line cutaway view of Fig. 4.
In Fig. 2～Fig. 4, be equipped on the bogie frame 102 that is H shape in the plan view with the vehicle body shown in the double dot dash line 101.Between the mount pad 104 and axletree 105 be located on the middle frame 103 of this bogie frame 102, the assembling Totally enclosed main electric motor for driving vehicle.
Motor has the urceolus housing (urceolus frame) 1 that is formed bottom tube-like by mild steel plate, the central shaft level of this urceolus housing 1 and also with vehicle direct of travel orthogonal be installed on vehicle.The top of the perisporium of cylinder shell 1 forms top mount pad 2 highlightedly towards vehicle direct of travel rear side outside, and the bottom of the perisporium of cylinder shell 1 outside forms bottom mount pad 3 highlightedly towards the rear side of vehicle direct of travel.In addition, the top of the perisporium of cylinder shell 1 outside, the front side towards the vehicle direct of travel forms a pair of hook 4A, 4B highlightedly as shown in Figure 4.
As Fig. 2, as shown in Figure 4, top mount pad 2 by key 106 mountings in the upper end of mount pad 104, fixing with bolt 5.Bottom mount pad 3 is fixing by bolt 5 under the state of the front of the lower beam 107 that is contacted with bogie frame 102.In addition, on top mount pad 2 and bottom mount pad 3, form the dog hole 6 that hangs usefulness respectively.
As shown in Figure 4, connect spur pinions 9 by flexible shaft coupling 8, on this spur pinion 9, be engaged with the large diameter big spur gear 10 that is fixed on the axletree 105 at the front end of the armature spindle 7 of Totally enclosed main electric motor for driving vehicle.Spur pinion 9 and big spur gear 10 are contained in the gear box 11.
As shown in Figure 1, the opening surface of cylinder shell 1 is equipped with the carriage 13 of ring-type outside.Peripheral part at this carriage 13 forms the outstanding fitting portion 14 of interior side of cylinder shell 1 outwardly.This fitting portion 14 is inserted into urceolus housing 1 inside, is fixed on the urceolus housing 1 by many bolt (not shown)s.
Form dead eye at the central part of carriage 13, insert in this dead eye and fixing roller bearing 15, the exterior side of the central part of carriage 13 is fixed in its outer ring by many bolts 16 (with reference to Fig. 3).At the inner ring of roller bearing 15, insert and be fixed with armature spindle 7 in the machine inboard and the machine outside.
In the through hole of the central part that is formed at urceolus housing 1 and the end wall openend opposition side, insert shell 17 from the inboard of urceolus housing 1, be fixed in urceolus housing 1 from the inboard by many bolt (not shown)s.
Insert ball bearing 18 in the dead eye at the center that is formed at shell 17, its outer ring is fixing by bearing cap 19.This bearing cap 19 is inserted into fitting portion the dead eye from the outside of shell 17, is fixed in shell 17 from the outside by the bolt (not shown).
On roller bearing 15 and ball bearing 18, be pressed in advance and fixed rotor axle 7.The portion of substantial middle longitudinally at this armature spindle 7 is pressed into and fixed rotor iron core 20, one distolateral at this rotor core 20, to be pressed into by the core clamping-plate 21 that slab-shaped becomes ring-type and be fixed in armature spindle 7, distolateral at another, core clamping-plate 22 is pressed into and is fixed on the armature spindle 7.In addition, between core clamping-plate 21 and carriage 13, fan 23 is pressed into and is fixed on the armature spindle 7.
As shown in Figure 1, on rotor core 20, form a plurality of ventilation holes 24 that extend vertically around its central shaft.Outer circumferential side at rotor core 20 inserts and fixed rotor copper bar 25, at its two ends soldering end ring 26.
On the other hand, is pressed in week in the central portion of cylinder shell 1 inside outside and fixed stator iron core 27, in interior all sides of this stator core 27 stator coil 28 is set, this stator coil 28 is inserted in the groove (not shown), and two ends are outstanding from stator core 27.According to such structure, this main motor is a squirrel-cage induction motor.
The axial both ends on the perisporium top of cylinder shell 1 form rectangular blow vent 29A, 29B respectively outside, and these blow vents 29A, 29B are positioned at axletree 105 sides on urceolus housing 1 top.The perisporium of cylinder shell 1 outside welding outside is connecting portion 30A, the 30B that the top tubular is arranged of lower ending opening fixedly, and they are communicated with blow vent 29A, 29B respectively.
At the medial surface in opposite directions of connecting portion 30A, 30B, be welded with the end of the many breather pipes of making by steel pipe (pipe) 31 by breakthrough status.These breather pipes 31 are made by thin mild steel plate, connect outside to separate the upright multi-disc cooling fins of establishing 32 of equal intervals on the cylinder shell 1.Each cooling fins 32 is welded in breather pipe 31 respectively, the bottom be welded in urceolus housing 1 above.By connecting portion 30, breather pipe 31, and cooling fins 32 constitute cooler 33.
In the Totally enclosed main electric motor for driving vehicle that constitutes like this, rotation by armature spindle 7 when electric car travels is also rotated fan 23, flow into a side connecting portion 30A by the blow vent 29A shown in the left side of air from Fig. 1 in the machine of these fan 23 air-supplies, flow through each breather pipe 31 from this connecting portion 30A, flow into the connecting portion 30B on right side.
And this air flow into the inside of urceolus housing 1 from the connecting portion 30B on right side through blow vent 29B, and the space in being formed at stator core 27 between week and rotor core 20 peripheries is sucked by fan 23.
In addition, flow into another part of air of the inside, right side of urceolus housing 1,, similarly sucked, flow through as described above then by fan 23 along flowing through in the ventilation hole 24 of direction on being formed at rotor core 20 of fan 23.
In the Totally enclosed main electric motor for driving vehicle that constitutes like this, by cooling off stator core 27 and stator coil 28 in inner air flowing, reaching rotor core 20 and rotor bar 25, utilize resin such as epoxy resin and with the stator coil 28 and the rotor bar 25 of stator core 27 insulation, but the insulation characterisitic of the insulating resin between long term maintenance and stator core 27, the rotor core 20.In addition, owing to be not taken into the air of cooling usefulness from the outside, so, can prevent adhering to and piling up of dust, prevent the increase of the frequency of Maintenance and Repair.
In the Totally enclosed main electric motor for driving vehicle that constitutes like this, in the time of on being assembled into bogie, the top of the bogie of the state of vehicle body before load is descended gradually, the top mount pad 2 that will be shown in the left side in Fig. 5 passes through key 106 mountings in the upper end of the mount pad 104 of bogie frame 102, by bolt 5 top mount pad 2 and bottom mount pad 3 is fixed on mount pad 104 and the lower beam 107.
In addition,,, after bogie frame 102 is separated from vehicle body 101, unclamp bolt 5, utilize dog hole 6 to be hanging to the top in the occasion that Totally enclosed main electric motor for driving vehicle is overhauled for periodic inspection.
This Totally enclosed main electric motor for driving vehicle is under installment state shown in Figure 5, between the housing of the axletree 105 on the mount pad 104 in left side and right side, as shown in Figure 4, axially, be housed between wheel 108A, the 108B of both sides with flexible shaft coupling 8 and gear box 11, and as shown in Figure 5, up with the lower surface of vehicle body 101 in opposite directions, at downside, separate limitation in height H ground in opposite directions between the lower end of laying leg 29 of cylinder shell 1 and rail 109 top outside, be assembled in the space that is restricted that does not have surplus.
In the Totally enclosed main electric motor for driving vehicle that constitutes like this,, and, also require the lift-launch platform number of each marshalling of minimizing train for the low price of vehicle and laborsavingization of Maintenance and Repair not only for above-mentioned miniaturization and high capacity.For this reason, require further high capacity.
For this reason, also can consider by pipeline a large amount of cooling airs to be sent to the method for the inside of urceolus housing 1 from the forced draft fan that is provided with separately, but this method makes the price of vehicle rise because of configuring pipes, and make the frequency of Maintenance and Repair increase for the filter of changing ventilation filter, diffusing to outside noise also increases, so, can not satisfy the requirement in epoch.
For this reason, also can consider to increase the area of cooling fins shown in Figure 3 32, but this Totally enclosed main electric motor for driving vehicle with reference to Fig. 4 and Fig. 5 as described above, be contained between the shell of axletree 105 on mount pad 104 and right side, in addition, up with the lower surface of vehicle body 101 in opposite directions, downside and rail 109 separate limitation in height H ground in opposite directions, this is set in the small space that is restricted, so can not adopt.
Fig. 6 is the chart that the wind speed of the wind that travels by the main motor under the vehicle floor is shown along with travelling of vehicle, and line A represents the wind speed of the bottom of main motor, and line B illustrates the wind speed of the central portion side of main motor, and line C illustrates the wind speed on main motor top.According to this chart, can judge that the wind speed of bottom, central portion of main motor is bigger than the wind speed of central portion side.
In order to realize the more and more vehicle of high speed and laborsavingization of Maintenance and Repair, can require the raising of the cooling effectiveness of the Totally enclosed main electric motor for driving vehicle that under such condition, drives from now on more and more consumingly, and based on this height outputization and the insulation life of coil long-term.In addition, in the motor of above-mentioned prior art, also there is following such problem.
The first, because the ventilation road 14a of cooler is made of pipe, be configured to a plurality of intensive states, and, separate with a plurality of radiating fins 32, so the dust of outer gas, paper cloth bits adhere to easily, along with the process between the operating period, be blocked in gradually between pipe, cooling performance is descended.For this reason, need to blow termly and wait (winding-up compressed air), this dust, cloth bits are removed.Yet,, be attached to interior square dust etc. so be difficult to fully remove because pipe 31 intersects with radiating fin 32.
The second, the ventilating path from the blow vent 29A of cooler to pipe 31, the wall between the pipe 31 sharply narrows down draught area, so the draft loss of tube inlet loss becomes big.Fig. 2 is the figure that the wind flow in the Totally enclosed main electric motor for driving vehicle of Fig. 1 is shown with arrow, as can be seen, the eddy current that returns backward takes place in pipe 31 porch.
Therefore, whole variation, the cooling effectiveness step-down of motor integral body of circulating in the cooler and in the machine.
The cooling effectiveness of the Totally enclosed main electric motor for driving vehicle of the tubular construction of existing mode is poor, compares with open self-ventilation cooled, can not avoid motor to maximize.
The 3rd, owing to enclose with radiating fin 32 and engage managing 31 circumference by welding, so, must a plurality of pipes of welding and multi-disc radiating fin, batch process property is poor, has the big shortcoming of manufacturing cost.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of Totally enclosed main electric motor for driving vehicle, this Totally enclosed main electric motor for driving vehicle can improve cooling effect, simultaneously, realize miniaturization and, realize laborsavingization of maintenance and the reduction of manufacturing cost, simultaneously, can realize long lifetime.
In order to achieve the above object, Totally enclosed main electric motor for driving vehicle of the present invention is provided with stator core the urceolus housing of tubular in interior week, square end portion at above-mentioned urceolus housing is provided with the carriage that is built-in with bearing, the opposing party end at above-mentioned urceolus housing is provided with the shell that is built-in with bearing, both ends by the bearing supporting rotor axle of above-mentioned carriage and above-mentioned shell, substantial middle portion at the length direction of this armature spindle is provided with rotor core, square end portion at above-mentioned armature spindle is provided with fan, axial both ends at the perisporium of above-mentioned urceolus housing are provided with peristome respectively, are communicated to a pair of connection air channel of above-mentioned peristome in the arranged outside of above-mentioned perisporium; Cooler is set, and this cooler has with being interconnected and to connect the breather pipe that these connect air channels, and the heat of air that will be by this breather pipe inside is loose and arrived outer gas; The central shaft level of above-mentioned urceolus housing and with vehicle direct of travel orthogonal be installed on vehicle, make the air circulation in the above-mentioned urceolus housing flow in the above-mentioned cooler, cool off by the rotation of said fans; It is characterized in that: be provided with the wind guiding mechanism that travels, the wind that travels that this wind guiding mechanism that travels will flow through around the above-mentioned urceolus housing gathers above-mentioned cooler.
Totally enclosed main electric motor for driving vehicle of the present invention forms a plurality of rotor ventilations hole in interior all sides of rotor core, gas circulating fan in an end of the machine inboard of armature spindle is provided with, axial both end sides at stator frame is provided with peristome, machine outer setting cooler at the said stator frame, space in the device of this cooler is communicated to the openings at two ends portion of said stator frame respectively, the interior air circulation of machine is flow in the above-mentioned cooler cools off, it is characterized in that:
Arranged outside in the openings at two ends portion of said stator frame connects the air channel respectively, configuration has the cooling air channel of the tubular of wall between this connection air channel, peristome by the said stator frame is communicated to space in the machine with an end of each inner space in above-mentioned connection air channel, each the other end is communicated to the inner space of above-mentioned cooling air channel, a plurality of radiating fins is set at the periphery wall of above-mentioned cooling air channel.
According to this formation, when operation, cooling air channel absorbs heat, by being provided with a plurality of radiating fins heat is dispersed in the atmosphere.In this occasion, the outer gas of the cooling during vehicle ' flows along the outer peripheral face of cooling air channel, and dust, the cloth that is blended into outer gas is considered to be worth doing and can be attached to cooling air channel, radiating fin and stop, even dust adheres to also seldom during very long.In addition, the cleaning work of compressed air spraying etc. also can be removed dust easily effectively.
Description of drawings
Fig. 1 is the axial cutaway view on top of the Totally enclosed main electric motor for driving vehicle of prior art.
Fig. 2 is the figure that the fluid in the Totally enclosed main electric motor for driving vehicle of key diagram 1 flows.
Fig. 3 is the III-III line cutaway view of Fig. 1.
Fig. 4 is the vertical view of the state on the bogie that the Totally enclosed main electric motor for driving vehicle of Fig. 1 is equipped on vehicle.
Fig. 5 is the V-V line cutaway view of Fig. 4.
Fig. 6 is the chart of wind speed that the wind that travels of the upper and lower by the main motor under the vehicle floor is shown along with travelling of vehicle.
Fig. 7 is the axial cutaway view on the top of the 1st execution mode of the present invention.
Fig. 8 is the VIII-VIII line cutaway view of Fig. 7.
Fig. 9 is rise result's the chart of test of temperature that the effect that is used to confirm the 1st execution mode is shown.
Figure 10 is the end view of the 2nd execution mode of the present invention.
Figure 11 is the chart of angle and the relation of air quantity by cooler of end that the guide plate of upside is shown.
Figure 12 is the chart of angle and the relation of air quantity by cooler of end that the guide plate of downside is shown.
Figure 13 is rise result's the chart of test of temperature that the effect that is used to confirm the 2nd execution mode is shown.
Figure 14 is the vertical view of the state on the bogie that the Totally enclosed main electric motor for driving vehicle of the 3rd execution mode is equipped on vehicle.
Figure 15 is the chart of angle and the relation of air quantity by cooler that the both side edges of guide plate is shown.
Figure 16 is the vertical view of guide plate of the Totally enclosed main electric motor for driving vehicle of the 4th execution mode.
Figure 17 is the vertical view of guide plate of the Totally enclosed main electric motor for driving vehicle of the 5th execution mode.
Figure 18 is the part longitudinal section of the Totally enclosed main electric motor for driving vehicle of the 6th execution mode.
Figure 19 is the vertical view of the Totally enclosed main electric motor for driving vehicle of the 7th execution mode.
Figure 20 is the vertical view of the vehicle traction of the 8th execution mode with the closed form main motor.
Figure 21 illustrates the figure of the vehicle traction of the 9th execution mode of the present invention with the closed form main motor.
Figure 22 illustrates the figure of the vehicle traction of the 9th execution mode of the present invention with the closed form main motor.
Figure 23 is the mobile figure of fluid of explanation the 9th execution mode of the present invention.
Figure 24 is the chart that the temperature decreasing effect of the 9th execution mode of the present invention is shown.
Figure 25 illustrates the figure of the vehicle traction of the 10th execution mode of the present invention with the closed form main motor.
Figure 26 illustrates the figure of the vehicle traction of the 10th execution mode of the present invention with the closed form main motor.
Figure 27 is the figure of wind flow that the radial fan of the 10th execution mode of the present invention is shown.
Figure 28 is the figure of wind flow that the radial fan of the 10th execution mode of the present invention is shown.
Figure 29 illustrates the figure of the vehicle traction of the 11st execution mode of the present invention with the closed form main motor.
Figure 30 illustrates the figure of the vehicle traction of the 11st execution mode of the present invention with the closed form main motor.
Figure 31 illustrates the figure of the vehicle traction of the 12nd execution mode of the present invention with the closed form main motor.
Figure 32 illustrates the figure of the vehicle traction of the 12nd execution mode of the present invention with the closed form main motor.
Figure 33 is the chart that the temperature decreasing effect of the 12nd execution mode of the present invention is shown.
Figure 34 illustrates the figure of the vehicle traction of the 13rd execution mode of the present invention with the closed form main motor.
Figure 35 illustrates the figure of the vehicle traction of the 13rd execution mode of the present invention with the closed form main motor.
Figure 36 illustrates the figure of the vehicle traction of the 13rd execution mode of the present invention with the closed form main motor.
Figure 37 illustrates the figure of the vehicle traction of the 13rd execution mode of the present invention with the closed form main motor.
Figure 38 illustrates the figure of the vehicle traction of the 13rd execution mode of the present invention with the closed form main motor.
Figure 39 illustrates the figure of the vehicle traction of the 13rd execution mode of the present invention with the closed form main motor.
Figure 40 illustrates the figure of the vehicle traction of the 14th execution mode of the present invention with the closed form main motor.
Figure 41 illustrates the figure of the vehicle traction of the 14th execution mode of the present invention with the closed form main motor.
Figure 42 illustrates the figure of the vehicle traction of the 14th execution mode of the present invention with the closed form main motor.
Figure 43 illustrates the figure of the vehicle traction of the 14th execution mode of the present invention with the closed form main motor.
Figure 44 illustrates the figure of the vehicle traction of the 15th execution mode of the present invention with the closed form main motor.
Figure 45 is the enlarged drawing of the part that surrounded by the C1 of Figure 44.
Figure 46 illustrates the figure of the vehicle traction of the 16th execution mode of the present invention with the closed form main motor.
Figure 47 is the enlarged drawing of the part that surrounded by the C2 of Figure 46.
Figure 48 illustrates the figure of the vehicle traction of the 17th execution mode of the present invention with the closed form main motor.
Figure 49 illustrates the figure of the vehicle traction of the 17th execution mode of the present invention with the closed form main motor.
Figure 50 illustrates the figure of the vehicle traction of the 18th execution mode of the present invention with the closed form main motor.
Figure 51 illustrates the figure of the vehicle traction of the 18th execution mode of the present invention with the closed form main motor.
Figure 52 illustrates the figure of the vehicle traction of the 19th execution mode of the present invention with the closed form main motor.
Figure 53 illustrates the figure of the vehicle traction of the 19th execution mode of the present invention with the closed form main motor.
Figure 54 illustrates the figure of the vehicle traction of the 20th execution mode of the present invention with the closed form main motor.
Figure 55 illustrates the figure of the vehicle traction of the 20th execution mode of the present invention with the closed form main motor.
Figure 56 illustrates the figure of the vehicle traction of the 21st execution mode of the present invention with the closed form main motor.
Figure 57 illustrates the figure of the vehicle traction of the 21st execution mode of the present invention with the closed form main motor.
Figure 58 is the chart that the temperature decreasing effect of the 21st execution mode of the present invention is shown.
Figure 59 illustrates the figure of the vehicle traction of the 22nd execution mode of the present invention with the closed form main motor.
Figure 60 illustrates the figure of the vehicle traction of the 22nd execution mode of the present invention with the closed form main motor.
Figure 61 is the chart that the temperature decreasing effect of the 22nd execution mode of the present invention is shown.
Figure 62 illustrates the figure of the vehicle traction of the 23rd execution mode of the present invention with the closed form main motor.
Figure 63 illustrates the figure of the vehicle traction of the 23rd execution mode of the present invention with the closed form main motor.
Figure 64 illustrates the figure of the vehicle traction of the 24th execution mode of the present invention with the closed form main motor.
Figure 65 illustrates the figure of the vehicle traction of the 24th execution mode of the present invention with the closed form main motor.
Figure 66 illustrates the figure of the vehicle traction of the 25th execution mode of the present invention with the closed form main motor.
Figure 67 illustrates the figure of the vehicle traction of the 25th execution mode of the present invention with the closed form main motor.
Figure 68 illustrates the figure of the vehicle traction of the 26th execution mode of the present invention with the closed form main motor.
Figure 69 illustrates the figure of the vehicle traction of the 26th execution mode of the present invention with the closed form main motor.
Figure 70 illustrates the figure of the vehicle traction of the 27th execution mode of the present invention with the closed form main motor.
Figure 71 illustrates the figure of the vehicle traction of the 27th execution mode of the present invention with the closed form main motor.
Figure 72 is that the cooler that is used to illustrate the 27th execution mode of the present invention is the figure of cooling effect of the occasion of inclined tube.
Embodiment
An embodiment of the invention are described with reference to the accompanying drawings.
As shown in Figure 7, the inner peripheral surface at the urceolus housing 1 of tubular is equipped with stator core 27 cylindraceous.Interior all sides at this stator core 27 are a plurality of towards axially extended groove along being provided with in week entirely, and stator coil 28 is inserted in each groove.A side's of cylinder shell 1 end is equipped with the carriage 13 of built-in roller bearing 15 outside, and the opposing party's of cylinder shell 1 end is equipped with the shell 17 of built-in ball bearing 18 outside.Both ends by roller bearing 15 and ball bearing 18 supporting rotor axles 7.
Vertical central portion at armature spindle 7 is equipped with rotor core 20, and is a plurality of towards axially extended groove along being provided with in week entirely at its peripheral part, accommodates rotor bar 25 in each groove.In addition, in a side's of armature spindle 7 end the fan 23 that is used to make the air circulation in the urceolus housing 2 is installed.
Interior all sides at rotor core 20 are a plurality of towards axially extended ventilation hole 24 along being provided with on the circumference.The axial both ends of the perisporium of cylinder shell 2 are provided with peristome 29A, 29B respectively outside, and the outside of the perisporium of cylinder shell 1 is installed a pair of connection air channel 30A, 30B respectively in the mode that covers peristome 29A, 29B outside.
Between these connection air channels 30,30, be provided with cooler 33.This cooler 33 have be interconnected to connecting many breather pipes 31 that air channel 30A, 30B connect and founding the multi-disc fin of establishing 32 to devices spaced apart on the perisporium of cylinder shell 1 outside, each breather pipe 31 is connected with each fin 32 with the state that connects each fin 32.
In addition, the top rear side of the perisporium of cylinder shell 1 outside, as shown in Figure 8, to form top mount pad 2 towards the outstanding mode of the rear side of vehicle direct of travel, the bottom rear side of the perisporium of cylinder shell 1 forms bottom mount pad 3 in the mode of giving prominence to towards the rear side of vehicle direct of travel outside.Top mount pad 2, is fixed with bolt 5 to the upper end of being located at the mount pad 104 on the bogie frame 102 by key 106 mountings.Bottom mount pad 3 is fixing by bolt 5 under the state that is contacted with lower beam 107 fronts that are located on the bogie frame 102.
In the present invention, be provided with up and down a pair of guide plate 34, a pair of guide plate 34 wind that travels that will flow through around the urceolus housing 1 gathers in the cooler 33 up and down.These guide plates 34 flatly are fixed in the end face up and down of each fin 32 respectively, to face mutually under the state that sandwiches each fin 32 at above-below direction.
The leading section of the guide plate 34 of upside is more outstanding towards the front side of vehicle direct of travel than cooler 33, and the rearward end of the guide plate 34 of upside is more outstanding towards the rear side of vehicle direct of travel than cooler 33, and these ends are the crooked predetermined angular in side obliquely.In addition, the leading section of the guide plate 34 of downside is more outstanding towards the front side of vehicle direct of travel than cooler 33, the crooked predetermined angular towards oblique below.By such formation, make will towards the travel wind D1 of horizontal direction by cooler 33, will be by cooler 33 tops the wind D2 that travels, to all flow through cooler 33 by the wind D3 that travels of cooler 33 belows, so the cooling effectiveness of cooler 33 improves.
In addition, guide plate 34 can conduct the heat to each guide plate 34 from each fin 32 by being made by the thermal conductivity excellent material of aluminium etc., and the cooling effectiveness of cooler 33 is further improved.The also flexible one-tenth arcuation of the cross sectional shape of guide plate 34 shown in Figure 8 reduces the draft loss with the cooling air shown in arrow D2, the D3.
Below, the rise structure of test of the temperature that is used to confirm effect of the present invention is described.This test is carried out at the rated speed of each running speed, and power supply uses sine-wave power, the effect when being used for the analog electrical car and travelling, so, make the simulation wind (2m/s) that travels flow to around the main motor and implement.
Fig. 9 is its result of the test.The scale of the longitudinal axis is represented rate of rise of temperature, and transverse axis is represented each measuring point.According to this result as can be known, main motor of the present invention is compared with existing product, can obtain the effect, particularly rotor of temperature reduction and the temperature of stator coil on the whole and descend big.
According to the present invention, can obtain such Totally enclosed main electric motor for driving vehicle, in this Totally enclosed main electric motor for driving vehicle, in the wind that travels that vehicle ' produces, be directed to cooler 33 at the wind that travels of the obstructed subcooler 33 of the occasion of prior art, fin 32 is cooled off, so cooling effect improves, simultaneously, can realize long lifetime.In addition, improve, can realize that the miniaturization and of motor and output increase by cooling performance.
Below, the 2nd execution mode of the present invention is described.Figure 10 is the end view of the 2nd execution mode of the present invention.
In the present embodiment, in the guide plate 34 of upside, more the angle of bend θ 1 with respect to the vehicle direct of travel is set to 10 °～45 ° towards the outstanding end of the front side of vehicle direct of travel than cooler 33.Like this, as from chart attirbutes shown in Figure 11 as can be seen, the quantitative change that gather fin 32 by the wind of cooler 33 tops is many.
In addition, in the guide plate 34 of downside, more the angle of bend θ 2 with respect to the vehicle direct of travel is set to 10 °～60 ° towards the outstanding end of the front side of vehicle direct of travel than cooler 33.Like this, as from chart attirbutes shown in Figure 12 as can be seen, the quantitative change that gather fin 32 by the wind of cooler 33 belows is many.
Figure 13 is the chart that the result of temperature rising test is shown, at each measuring point, the post on the left side is the product of prior art, and the post of central authorities is that θ 2 is not in 10 °～60 ° the interior situation of scope in the present invention, and the post on right side is that θ 2 is in 10 °～60 ° the interior situation of scope in the present invention.Compare with the prior art example, in the present invention, temperature reduces on the whole, and particularly the temperature of stator coil and rotor descends big.In addition, the occasion in θ 2 is in 10 °～60 ° scope and is not compared for such occasion, and temperature reduces and increases.
Below, the 3rd execution mode of the present invention is described.Figure 14 is the vertical view of the state on the bogie that the Totally enclosed main electric motor for driving vehicle of the 3rd execution mode is equipped on vehicle.
In the present embodiment, guide plate 34 is located at the front side and the rear side of cooler 33 respectively, and the guide plate 34A of front side becomes trapezoidal in plan view, and its transverse width enlarges continuously towards front side, and both side edges is with respect to vehicle direct of travel cant angle theta 3.In addition, the guide plate 34B of rear side becomes trapezoidal in plan view, and its width side towards the rear enlarges continuously, and both side edges is with respect to vehicle direct of travel cant angle theta 4.θ 3, θ 4 are set at 10 °～60 °.
In the Totally enclosed main electric motor for driving vehicle of the guide plate 34 that such formation has been installed, the past gathers fin 32 places of cooler 33 by the wind that travels of cooler 33 both sides, flows to rear side then.
Also can make the both side edges of guide plate 34 bend to arcuation, reduce the draft loss of the wind that travels.
In addition, form guide plate 34 by the thermal conductivity excellent material by aluminium etc., heat can be passed to guide plate 34 from fin 32, guide plate 34 self plays the effect of cooling fins, can further improve cooling effectiveness.
Like this, according to present embodiment, because that the air quantity by cooler 33 becomes is many, drafting efficiency improves, and therefore, air quantity characteristic improves, can be efficiently the heat of gas in the circulation of main motor inside be dispersed in the outer gas, so, can further improve cooling performance.
Figure 15 is angle θ 3, θ 4 that the both side edges of guide plate 34 is shown, gathers the chart of relation of ratio of the air quantity of fin 32 with the wind of both sides by cooler 33, as can be seen, by θ 3, θ 4 are made as 10 °～60 °, can make to gather in the ratio of the amount of fin 32 to become big by the wind of cooler 33 both sides.
Below, the 4th execution mode of the present invention is described.Figure 16 is the vertical view (figure that watches towards the B direction of Fig. 8) of guide plate of the Totally enclosed main electric motor for driving vehicle of the 4th execution mode.
In the present embodiment, the ratio cooler 33 in the guide plate 34 more towards the place ahead side-prominent end 34a and side-prominent more towards the rear end 34b form respectively trapezoidal, its width towards the place ahead or rear side enlarge continuously.
By constituting in this wise, the wind of guide plate 4 tops by prior art can be guided to cooler 33 more, so cooling effectiveness further improves.
Below, the 5th execution mode of the present invention is described.Figure 17 is the vertical view of the guide plate of the Totally enclosed main electric motor for driving vehicle of the 5th execution mode of the present invention (figure that watches towards the B direction of Fig. 7).
In the present embodiment, more side-prominent end 34a and side-prominent more towards the rear end 34b form fan-shapedly respectively the ratio cooler 33 in the guide plate 34 towards the place ahead, and its width enlarges continuously towards vehicle front side or rear side.
By constituting in this wise, the wind of guide plate 4 tops by prior art can be guided to cooler 33 more, so cooling effectiveness further improves.
Below, the 6th execution mode of the present invention is described.Figure 18 is the part longitudinal section of the Totally enclosed main electric motor for driving vehicle of the 6th execution mode.
In the present embodiment, form the guide plate 34 of upside in the mode that extends to top mount pad 2.By constituting in this wise, the wind that travels can be guided to the part that comprises top mount pad 2 tops, so the air quantity that flows through above of cylinder shell 1 increases outside.Therefore, the heat of the interior gas of cylinder shell 1 interior circulation outside further is dispersed in the outer gas efficiently, so cooling effectiveness further improves.
Below, the 7th execution mode of the present invention is described.Figure 19 is the vertical view of the Totally enclosed main electric motor for driving vehicle of the 7th execution mode of the present invention.
In the present embodiment, form the circular arc cross section with in opposite directions medial surface 30Aa, 30Ba among the connection air channel 30A, the 30B that make cooler 33 towards the outstanding mode of approaching mutually direction.By constituting in this wise, the wind of cooler 33 both sides by prior art can be guided to cooler 33 more, can by good efficiency more outside in the cylinder shell 1 heat of the interior gas of circulation be dispersed in the outer gas, so cooling effectiveness further improves.
Below, the 8th execution mode of the present invention is described.Figure 20 is the vertical view of the Totally enclosed main electric motor for driving vehicle of the 8th execution mode of the present invention.
In the present embodiment, form the circular arc cross section, simultaneously, extend to top mount pad 2 ground and constitute with in opposite directions medial surface 30Aa, 30Ba among the connection air channel 30A, the 30B that make cooler 33 towards the outstanding mode of approaching mutually direction.By constituting in this wise, the wind of cooler 33 both sides by prior art can be guided to cooler 33 more, simultaneously, the wind that travels can be guided to top mount pad 2, so the air quantity that flows through above of cylinder shell 1 further increases outside.Therefore, the heat of the interior gas of circulation in the cylinder shell outside 1 can be dispersed into outer gas more efficiently, so cooling effectiveness further improves.
Be combined in the 7th, the 8th execution mode by such guide plate that will in the 1st～the 6th execution mode, illustrate, can further improve cooling effectiveness.
More than, enumerate concrete example an embodiment of the invention have been described, but the present invention is not limited to above-mentioned execution mode, in the scope that does not break away from main idea of the present invention, can carry out various changes to above-mentioned execution mode.
Below, with reference to the Totally enclosed main electric motor for driving vehicle of Figure 21,22 explanations the 9th execution mode of the present invention.
In Figure 21,22, stator core 20A cylindraceous is installed on the inner peripheral surface of stator frame 10, stator coil 30 is accommodated along in a plurality of grooves that are provided with in the full week of interior perimembranous of stator core 20A, installed at the both ends of stator frame 10 bearing pedestal 40 and the bearing housing 50 of bearing 60,70 built-in respectively, supported by 60,70 pairs of armature spindles 80 of bearing.Vertical central portion at armature spindle 80 is installed rotor core 90, along entirely a plurality of grooves being set week, accommodates rotor bar 100 at the peripheral part of rotor core 90 in this groove, in interior all sides of rotor core 90 along a plurality of rotor ventilations of formation hole 90a on the circumference.In addition, the circulating fan 110 of gas circulation in the installation of an end of position is used to make in the machine of armature spindle 80.
Vertical both ends at stator frame 10 are provided with blow vent 10a, 10b, install in the mode that covers blow vent 10a, 10b respectively in the outside of stator frame 10 to connect air channel 210,220.
Be that with the difference of prior art cooler constitutes by connecting air channel 210,220 and cooling air channel 230, radiating fin 200.Connect the direction tubular cooling air channel 230 extension, that have tabular surface (comprising arc surface) that is provided with between the air channel 210,220 towards identical two with the length direction of stator frame 10.In other words, when axially watching, connect air channel 210,220 and above-mentioned cooling air channel 230 and be roughly the コ font.In addition, at the periphery wall of cooling air channel 230, the edge is arranged with the direction of vertical orthogonal of cooling air channel 230 a plurality of radiating fins 200 is set.In this occasion, watch the outer essentially rectangular that forms of radiating fin 200 integral body from the axle right angle orientation of motor.
The connection air channel 210,220 and the cooling air channel 230 that constitute cooler can be made respectively, form both by welding etc., or form as one by the parts that will cut apart vertically such as welding, or from forming by any method at first, in this occasion, though it is indeterminate to connect the border of air channel 210,220 and cooling air channel 230, connects air channel 210,220 and refer to be installed near the end of stator frame 10.
Below, the action of the Totally enclosed main electric motor for driving vehicle of the present embodiment that constitutes as described above is described.
When shown in Figure 21,22, carrying out the operation of motor like that, after the rotation by circulating fan 110 blows to the outer radial periphery space of circulating fan 110 with the air in the machine, make it flow into the intake channel 160a that connects in the air channel 210 from blow vent 10a, then, flow through each ventilation road 20a, through the 1st exhaust channel 170a in the cooling air channel 230, flow into space in the machine of anti-driving side from blow vent 10b.Flow into interior gas in the machine and flow through the gap of inner peripheral surface of the outer peripheral face of rotor core 90 and stator core 20A and the ventilation hole 900a of rotor core 90 vertically, turn back to the internal side diameter of circulating fan 110.
Like this, in the present embodiment, when operation, air will circulate as the path in the cooler in the machine.When air flows through in the machine of the ventilation road 230a in the cooling air channel 230, cooling air channel 230 heat absorption, and then be provided with a plurality of radiating fin 200 by the outer peripheral face at cooling air channel 230 and be dispersed in the atmosphere.In the tubular construction of prior art, in the eddy generation of tube inlet place, have the big problem of entrance loss, but in the present embodiment, as flowing as shown in Figure 2 of wind is shown with arrow, cooling air channel 230 for example is a tubular, not eddy generation.Therefore, entrance loss is little, and in addition, owing to be tubular, therefore, the draft loss of the stream of cooling air channel 230 is also little, so, can increase air circulation, therefore, can improve the cooling performance of main motor integral body.
In addition, even in the long-pending identical occasion of the long-pending ventilation section of the ventilation section of the tubular construction that makes prior art with above-mentioned cooling air channel 230, be tubular owing to establish cooling air channel 230 in the present embodiment, therefore the size of above-mentioned cooling air channel 230 is radially also constant big.Corresponding therewith, can increase the area of radiating fin 200 at the outer peripheral face of cooling air channel 230, so the cooling effectiveness of heat radiation is good, heat can be dispersed into outer gas, therefore, cooling effect further improves.
In addition, when operation, cooling off outer gas flows through between the outer peripheral face of cooling air channel 230 and radiating fin 200, but in the present embodiment, because cooling air channel 230 is tubular, therefore, even also be difficult to be attached on cooling air channel 230 and the radiating fin 200 at dust cloth bits during the long-time running etc., so the cooling effect of radiating fin 200 does not descend all the year round.
Even dust is attached to the occasion on surface in long-term the use, compare with the tubular construction of prior art, also can easily clean the cooling air channel 230 of tubular by winding-up air etc., so, do not need to pull down main motor, do not need to carry out big cleaning when safeguarding from bogie.
In addition, the material of cooling air channel 230 is generally by the sheet metal manufacturing, but in order to realize lightweight and to improve cooling performance, also makes of aluminium sheet sometimes.Yet, because the tubular construction of prior art constructions is difficult to welding with aluminium sheet, so, have the occasion of the formation of many radiating fins 200 in formation, make difficult.Different therewith, the cooling air channel 230 of present embodiment so weld part becomes line part, can easily be welded to radiating fin 200 periphery wall of cooling air channel 230 owing to be tubular.Therefore, can reduce manufacturing cost.
Then, in order to confirm cooling effect of the present invention, carry out temperature rising test for model machine.The temperature test of rising is carried out at the rated speed of each running speed, and power supply uses sine-wave power, and the effect when travelling for the analog electrical car implements to make the simulation wind (about 2m/s) that travels to flow to main motor test on every side.
Figure 24 illustrates result of the test.The scale of the longitudinal axis illustrates by rate of rise of temperature, and transverse axis illustrates each measuring point.According to this result, compare with the prior art example, can obtain the effect, particularly rotor of temperature reduction and the temperature of stator coil on the structural entity of present embodiment and descend big.
Like this, in the Totally enclosed main electric motor for driving vehicle of present embodiment, can improve cooling performance, so, can realize that the miniaturization and of motor and/or output increase.In addition, can alleviate the cooler cleaning and safeguard that manufacturing cost also can reduce.
(the 10th execution mode)
Below, with reference to the Totally enclosed main electric motor for driving vehicle of Figure 25,26 explanations the 10th execution mode of the present invention.
In the present embodiment, from axially watching of motor, on the extended line of the blade of circulating fan 110, will connect air channel 210,220, cooling air channel 230, radiating fin 200 and form roughly fan-shaped on the whole.
In Figure 27,28, change (R illustrates with the arrow) visualize that flows of the wind of the interior gas that will blow afloat by circulating fan 110 in time, symbol 270 schematically illustrates the pressure distribution of this wind among the figure.Circulating fan 110 is centrifugal radial fan, so, wind is risen towards radial outside by interlobate centrifugal force, blow afloat by the tilted direction of revolving force again towards direction of rotation.Therefore, roughly fan-shaped by cooling air channel 230 is formed, the wind that is blown afloat by centrifugal force is arrived connect air channel 210,220 everywhere.
Therefore, because the drafting efficiencies in the cooling air channel 230 rise, so air quantity characteristic improves, the heat of gas can more effectively be released in the outer gas in the circulation, so, can further improve the cooling performance of motor.
(the 11st execution mode)
Below, according to the Totally enclosed main electric motor for driving vehicle of Figure 29,30 explanations the 11st execution mode of the present invention.
In the structure of present embodiment, from the end on observation of motor, make the angle as blow vent 10a, the 10b of stator frame 10 openings at two ends portions, inlet angle, the vanepiston angle of circulating fan 110 or the angle unanimity (angle φ) of its integral multiple in connection air channel 210,220.
According to present embodiment, consistent by the vanepiston that makes circulating fan 110 with the inlet angle that connects air channel 210,220, the phase place unanimity of the air-flow of all cooling air channels in the machine can be made, so the maximum quantity of wind of circulating fan 110 can be obtained.Like this, air quantity characteristic is good, gas in the circulation more effectively can be dispersed into outer gas, so, can further improve the cooling performance of motor.
(the 12nd execution mode)
Below, with reference to the Totally enclosed main electric motor for driving vehicle of Figure 31,32 explanations the 12nd execution mode of the present invention.
In the structure of present embodiment,, make the inlet angle that connects air channel 210,220, vanepiston angle or the angle of integral multiple and the circular pitch unanimity (angle φ) of rotor ventilation hole 90a of circulating fan 110 from the end on observation of motor.In addition, in the 230a of the inner space of cooling air channel 230, the mode that forms window with the frontage and airiness direction is provided as the clathrate body 240 of grating texture, for example demarcation strip, and the guide plate 190 of circular section is set at the two ends of clathrate body 240.
According to present embodiment, by making the inlet angle that connects air channel 210,220, vanepiston angle or the angle of its integral multiple and the circular pitch unanimity of rotor ventilation hole 90a of circulating fan 110, the phase place unanimity of the air-flow of all cooling air channels in the machine can be made, the maximum quantity of wind of circulating fan 110 can be obtained.Like this, air quantity characteristic is good, gas in the circulation more effectively can be dispersed into outer gas, so, can further improve the cooling performance of motor.
In order to confirm the effect of present embodiment, model machine has been carried out temperature rising test.Temperature rises to test.Figure 33 illustrates result of the test.According to this result, the structure of the 12nd execution mode is compared with the 9th execution mode of the present invention with the prior art example, can further obtain temperature decreasing effect on the whole.
(the 13rd execution mode)
Below, the Totally enclosed main electric motor for driving vehicle of the 13rd execution mode of the present invention is described with reference to Figure 34～Figure 39.
The structure of present embodiment like that, in the 230a of the inner space of cooling air channel 230, is provided as the clathrate body 240 of grating texture, for example demarcation strip in the mode of frontage and airiness direction formation window shown in Figure 34,35.
According to present embodiment, by clathrate body 240 is located in the cooling air channel 230, can make clathrate body 240 as the effect of heat absorption fin, endotherm area also increases, so cooler improves the cooling performance of gas in circulating, the temperature that can reduce motor rises, so, can realize that the miniaturization and of motor and/or output increase.
Figure 36,37 in the 230a of the inner space of cooling air channel 230 with the above-mentioned situation that clathrate body 240 similarly is set, but the occasion that cooling air channel 230 is not formed roughly fan-shaped formation is shown; Figure 38,39 illustrates such occasion, that is, as the vertical clathrate body 240a that longitudinally arranges demarcation strip in the 230a of the inner space of cooling air channel 230, equally, cooling air channel 230 is not formed roughly fan-shaped with Figure 29 A, 29B.Any one structure can obtain sufficient cooling performance.
(the 14th execution mode)
Below, the Totally enclosed main electric motor for driving vehicle of the 14th execution mode of the present invention is described with reference to Figure 40～Figure 43.
The structure of present embodiment like that, is provided with melikaria 240b in the 230a of the inner space of cooling air channel 230 shown in Figure 40 (longitudinal section) and Figure 41 (front section view).
Constitute according to this, it is big that the mechanical rigid of cooler becomes, but the plate thin plateization of the outer frame shell of cooler, so, can realize lightweight.
In addition, in the 230a of the inner space of cooling air channel 230, be provided with melikaria 240b, so, can increase endotherm area, cooler improves the cooling performance of gas in circulating, and the temperature that can reduce motor rises, therefore, can realize that the miniaturization and of motor and/or output increase.
In addition, the structure of present embodiment is such shown in Figure 42 (longitudinal section) and Figure 43 (front section view), in the 230a of the inner space of cooling air channel 230, be provided with corrugated body 240c, thereby not the mountain top portion of overlapping bellows-shaped 230e and the mountain top portion of staggering, so, the hot centralization of heat absorption fin obtains relaxing, and heat conduction improves.Therefore, can improve the cooling performance of cooler to gas in circulating, the temperature that reduces motor rises, so, can realize that the miniaturization and of motor and/or output increase.
(the 15th execution mode)
Below with reference to Figure 44 and Figure 45 that the details of interrupted heat absorption fin is shown, the Totally enclosed main electric motor for driving vehicle of the 15th execution mode of the present invention is described as longitudinal section.
Shown in Figure 44,45, like that, the above-mentioned shape body among the inner space 230a of cooling air channel 230 is not set,, is provided with absorber plate is divided into a plurality of absorber (interrupted absorber fin) 240d of cutting apart as its alternative structure.
Like this, in the 230a of the inner space of cooling air channel 230, be provided with and cut apart absorber 240d, therefore, improve by air being replaced, produce turbulent flow, can make to conduct heat.For this reason, can improve the cooling performance of cooler to gas in circulating, the temperature that reduces motor rises, so, can realize that the miniaturization and of motor and/or output increase.
(the 16th execution mode)
Below with reference to as Figure 46 of longitudinal section with the Figure 47 that sucks the details that blows out the heat absorption fin is shown, the Totally enclosed main electric motor for driving vehicle of the 16th execution mode of the present invention is described.
Such shown in Figure 46,47, in the structure of present embodiment, above-mentioned shape body is not set in the 230a of the inner space of cooling air channel 230,, is arranged on absorber (suction the blows out the heat absorption fin) 240e that the suction of having offered a plurality of holes on the corrugated plating blows out as its alternative structure.
Blow out absorber 240e owing in the 230a of the inner space of cooling air channel 230, be provided with like this to suck, so, can make air replace, cause turbulent flow in the upper strata of air-flow lower floor, improve thereby can make to conduct heat.For this reason, can improve the cooling performance of cooler to gas in circulating, the temperature that reduces motor rises, so, can realize that the miniaturization and of motor and/or output increase.
(the 17th execution mode)
Below with reference to as Figure 48 of longitudinal section with the Totally enclosed main electric motor for driving vehicle of the 17th execution mode of the present invention is described as Figure 49 of front section view.
In the structure of present embodiment, in the 230a of the inner space of cooling air channel 230, for example above-mentioned clathrate body 240f radially is divided into the n five equilibrium, along circumferentially being divided into the m five equilibrium, so that the area of each grid fenestra equates.
Constitute according to this, the area of each grid fenestra among the inner space 230a of cooling air channel 230 equates, so wind becomes even towards the mobile of grid fenestra.For this reason, can improve the cooling performance of cooler to gas in circulating, the temperature that reduces motor rises, so, can realize that the miniaturization and of motor and/or output increase.
(the 18th execution mode)
Below with reference to as Figure 50 of longitudinal section with the Totally enclosed main electric motor for driving vehicle of the 18th execution mode of the present invention is described as Figure 51 of front section view.
In the structure of present embodiment, in the 230a of the inner space of cooling air channel 230, the mode that forms window with the frontage and airiness direction is provided as the clathrate body 240 of grating texture, for example demarcation strip, and the guide plate 190 of circular section is set at the two ends of clathrate body 240.In this occasion, watch from the axle center of motor, when the demarcation strip of the grid in radially making cooling air channel 230 forms the p layer, at the guide plate 240 of entrance and exit setting (p-1) sheet of grid.
According to this structure, by guide plate 240 is set, can adjust air quantity, no matter make all even for which fenestra air quantity by the grid fenestra.For this reason, can improve the cooling performance of cooler to gas in circulating, the temperature that reduces motor rises, so, can realize that the miniaturization and of motor and/or output increase.
(the 19th execution mode)
Below with reference to as Figure 52 of longitudinal section with the Totally enclosed main electric motor for driving vehicle of the 19th execution mode of the present invention is described as Figure 53 of front section view.
In the structure of present embodiment, at the inner space 210a, blow vent 10a, the 10b that the 220a place is located at rectification grid 250 stator frame 10 respectively that connect air channel 210,220.
Constitute according to this, in the 230a of the inner space of cooling air channel 230, also even for grid fenestra air quantity.For this reason, can improve the cooling performance of cooler to gas in circulating, the temperature that reduces motor rises, so, can realize that the miniaturization and of motor and/or output increase.
(the 20th execution mode)
Below with reference to as Figure 54 of longitudinal section with the Totally enclosed main electric motor for driving vehicle of the 20th execution mode of the present invention is described as Figure 55 of front section view.
The structure of present embodiment, in connecting the inner space in air channel 210,220, in the ventilation oral-lateral and cooling air channel 230 of stator frame 10, be provided with continuously in clathrate, cellular, corrugated, the corrugated plating any or to the structure of its combination in any.
According to this structure, in the grid fenestra of the inner space of cooling air channel 230 230a, also become even.For this reason, can improve the cooling performance of cooler to gas in circulating, the temperature that reduces motor rises, so, can realize that the miniaturization and of motor and/or output increase.
(the 21st execution mode)
Below with reference to as Figure 56 of longitudinal section with the Totally enclosed main electric motor for driving vehicle of the 21st execution mode of the present invention is described as Figure 57 of front section view.
In the structure of present embodiment, when the axle right angle orientation of motor is watched, constitute cooler 260 as described below.In the above-described embodiment, from axially, above-mentioned connection air channel 210,220 and above-mentioned cooling air channel 230 are formed roughly C shape, but here, when the axle right angle orientation of motor was watched, above-mentioned connection air channel 210,220 and above-mentioned cooling air channel 230 were circular arc roughly.When the axle right angle orientation of motor is watched, the outer shape of above-mentioned radiating fin 200 integral body is formed roughly part circular.
The following describes the action of the Totally enclosed main electric motor for driving vehicle of the present embodiment that constitutes as described above.
Such shown in Figure 56,57, when motor moves, rotation by circulating fan 110 blows afloat the air in the machine in the outer radial periphery space of circulating fan 110, then, flow in the inner space 210a that connects air channel 210 from blow vent 10a, then, in the 230a of the inner space of cooling air channel 230, flow through, through the inner space of cooling air channel 230 230a, flow into space in the machine of anti-driving side from blow vent 10b.
By such formation cooler, to compare with the ell of the 9th execution mode, the drag losses of air stream diminishes in the machine that the rotation of circulating fan 110 produces, so the cooling effectiveness of heat radiation is good, heat can be dispersed into outer gas, and therefore, cooling effect further improves.
By above-mentioned connection air channel 210,220 and above-mentioned cooling air channel 230 are formed roughly circular shape, compare with the ell of the 9th embodiment, make the hot blast of the wind of emitting by centrifugal force from interior gas circulating fan be contacted with the area of the broad of cooling air channel 230, so radiating fin 200 is by the outer peripheral face heating of cooling air channel 230, act on effectively, therefore, the cooling effectiveness of heat radiation is good, heat can be dispersed into outer gas, therefore, cooling effect further improves.
Then, in order to confirm effect of the present invention, model machine has been carried out temperature rising test.The temperature test of rising is carried out at the rated speed of each running speed, and power supply uses sine-wave power, and the effect when travelling for the analog electrical car makes the simulation wind (about 2m/s) that travels flow to around the main motor and implement to test.
Figure 58 illustrates result of the test.The scale of the longitudinal axis is represented rate of rise of temperature, and transverse axis is represented each measuring point.
According to this result as can be known, compare with the 9th execution mode with prior art, the temperature that can obtain temperature decreasing effect, particularly rotor and stator coil on the whole descends big.
By above-mentioned connection air channel 210,220 and above-mentioned cooling air channel 230 are formed roughly circular arc, compare with the ell of the 9th execution mode, fluid resistance losses reduces, in the Totally enclosed main electric motor for driving vehicle of present embodiment, can improve cooling performance, so, can realize that miniaturization and or output increase.In addition because on cooler, do not have the bight of right angle portion, for mild curve, so, cleaning is safeguarded become easily, also can reduce manufacturing cost.
(the 22nd execution mode)
Below with reference to as Figure 59 of longitudinal section with the Totally enclosed main electric motor for driving vehicle of the 22nd execution mode of the present invention is described as Figure 60 of front section view.
In the structure of present embodiment, the radius of curvature of the master of gas circulating fan 110 in above-mentioned is made as r, the arc radius of above-mentioned connection air channel 210,220 and above-mentioned cooling air channel 230 is made as roughly r.
In addition, when the axle right angle orientation of motor is watched, the monnolithic case shape of above-mentioned radiating fin 200 is formed roughly part circular at the periphery wall of above-mentioned connection air channel 210 and above-mentioned cooling air channel 230.
The following describes the action of the Totally enclosed main electric motor for driving vehicle of the present embodiment that constitutes as described above.
By above-mentioned connection air channel 210,220 and above-mentioned cooling air channel 230 are formed roughly circular arc, the roughly radius of curvature of the master of gas circulating fan 110 in above-mentioned is made as r, constitute above-mentioned connection air channel and above-mentioned air channel with radius of curvature r, compare with the swan-neck of the 9th embodiment, can further reduce the loss of flow resistance, so, the cooling effectiveness of heat radiation is good, heat can be dispersed into outer gas, therefore, cooling effect further improves.
Then, in order to confirm effect of the present invention, model machine has been carried out temperature rising test.The temperature test of rising is carried out at the rated speed of each running speed, and power supply uses sine-wave power, and the effect when simulating the travelling of electric car makes the simulation wind (about 2m/s) that travels flow to around the main motor and implement to test.
Figure 61 illustrates result of the test.The scale of the longitudinal axis is represented rate of rise of temperature, and transverse axis is represented each measuring point.According to this result as can be known, compare with the 9th execution mode with prior art, the temperature that can obtain temperature decreasing effect, particularly rotor and stator coil on the whole descends big.
Like this, by with the central point of the roughly radius of curvature r of the master of gas circulating fan 110 in above-mentioned as benchmark, above-mentioned connection air channel 210,220 and above-mentioned cooling air channel 230 are formed roughly circular arc, compare with the swan-neck of the 21st execution mode, inlet connection air channel and cooling air channel can be formed swan-neck, fluid resistance losses reduces, so, can obtain the maximum quantity of wind of circulating fan 110.Like this, air quantity characteristic improves, and can be more efficiently the heat of gas in the circulation be dispersed into outer gas, so have further improved the cooling performance of motor.
(the 23rd execution mode)
Below with reference to as Figure 62 of longitudinal section with the Totally enclosed main electric motor for driving vehicle of the 23rd execution mode of the present invention is described as Figure 63 of front section view.
The structure of present embodiment will be for connecting air channel 210 and cooling air channel 230 forms the roughly Totally enclosed main electric motor for driving vehicle of circular arc when the axle right angle orientation of motor is watched.
According to this formation, will connect air channel 210 and cooling air channel 230 forms roughly circular arc, thereby make the loss of flow resistance littler than the 21st execution mode, the loss of flow resistance diminishes, so, can obtain the maximum quantity of wind of circulating fan 110.
Like this, air quantity characteristic improves, and can be more efficiently the heat of gas in the circulation be dispersed into outer gas, further improves the cooling performance of motor.
(the 24th execution mode)
Below with reference to as Figure 64 of longitudinal section with the Totally enclosed main electric motor for driving vehicle of the 24th execution mode of the present invention is described as Figure 65 of front section view.
The structure of present embodiment is for to form the roughly Totally enclosed main electric motor for driving vehicle of circular arc in the part that will connect air channel 210,220 and cooling air channel 230 when the axle right angle orientation of motor is watched.
Form roughly circular arc by the part that will connect air channel 210,220 and cooling air channel 230 like this, thereby make the loss of flow resistance littler than the 23rd execution mode, so, the maximum quantity of wind of circulating fan 110 can be obtained.Like this, air quantity characteristic improves, and can be more efficiently the heat of gas in the circulation be dispersed into outer gas, so have further improved the cooling performance of motor.
(the 25th execution mode)
Below with reference to as Figure 66 of longitudinal section with the Totally enclosed main electric motor for driving vehicle of the 25th execution mode of the present invention is described as Figure 67 of front section view.
In the Totally enclosed main electric motor for driving vehicle of the structure of present embodiment, the master of interior gas circulating fan 110 is made as roughly radius r, by about 1.2 times～1.4 times of the roughly radius r of gas circulating fan master in above-mentioned, constitute rotatably mounted in the roughly radius q of inwall of bearing pedestal 4 of armature spindle 80 of gas circulating fan side.On the internal face of cooling air channel 230, be provided with a plurality of rectification grid 250.
Constitute by the radius of curvature r that presses the bearing pedestal inwall like this, the loss of the flow resistance that further diminishes is littler than the 24th execution mode, so, can obtain the maximum quantity of wind of circulating fan 110.Like this, air quantity characteristic improves, and can be more efficiently the heat of gas in the circulation be dispersed in the outer gas, so can further improve the cooling performance of motor.
(the 26th execution mode)
The Totally enclosed main electric motor for driving vehicle that the 26th execution mode of the present invention is described below with reference to Figure 68 and Figure 69 as longitudinal section.When the axle right angle orientation of motor is watched, the connection air channel 210 of Totally enclosed main electric motor for driving vehicle and cooling air channel 230 form the tilted shape of linearity.
By such formation, to compare with the 9th execution mode, the loss of air flow resistance diminishes in the machine that the rotation of circulating fan 110 produces, so the cooling effectiveness of heat radiation is good, heat can be dispersed into outer gas, so cooling effect further improves.
(the 27th execution mode)
The Totally enclosed main electric motor for driving vehicle that the 27th execution mode of the present invention is described below with reference to Figure 70 and Figure 71, Figure 72 as longitudinal section.
In above-mentioned the 26th execution mode, the angle of inclination of the tilted shape of the linearity of Totally enclosed main electric motor for driving vehicle, be in above-mentioned armature spindle 80 be made as reference axis occasion roughly 30 spend to 60 the degree scope.
Shown in Figure 72, like that, the result that the angle with inclined tube experimentizes as parameter is shown.
According to this result, be inclined tube by making cooler 240, compare with the ell of the 9th execution mode, the drag losses of air stream diminishes in the machine that the rotation of circulating fan 110 produces, so the cooling effectiveness of heat radiation is good, heat can be dispersed into outer gas, therefore, cooling effect further improves.Wherein, when make angle θ be in roughly 30 spend to 60 degree scope the time also can obtain good result.
The present invention is not limited to the respective embodiments described above, below in the occasion that constitutes like that also all is included in.
1) also capable of being combined during from axially the watching of motor above-mentioned connection air channel and above-mentioned cooling air channel for the structure of C shape roughly and when axially watching above-mentioned radiating fin be roughly fan-shaped structure.
Above-mentioned connection air channel and above-mentioned cooling air channel were for roughly the structure and the above-mentioned radiating fin of circular arc are roughly fan-shaped structure when 2) the axle right angle orientation from motor also capable of being combined was watched.
3) also can at random make up when the axle right angle orientation of motor is watched above-mentioned radiating fin monnolithic case be shaped as essentially rectangular or roughly part circular structure, above-mentioned connection air channel and above-mentioned cooling air channel for the structure of C shape roughly and when the axle right angle orientation of motor is watched above-mentioned air channel and the above-mentioned cooling air channel of being connected be the structure of circular arc roughly.
4) but also at least one side in combination in any above-mentioned connection air channel when the axle right angle orientation of motor is watched be the essentially rectangular or the structure of part circular roughly for the structure of circular arc roughly, radiating fin for the outer shape of roughly fan-shaped structure and above-mentioned radiating fin integral body.
5) but also combination in any in above-mentioned connection air channel when the axle right angle orientation of motor is watched or above-mentioned connection air channel and above-mentioned cooling air channel be that the tilted shape, radiating fin of linearity is the essentially rectangular or the structure of part circular roughly for the outer shape of roughly fan-shaped structure and above-mentioned radiating fin integral body.
6) as the cylindrical shape of cooling air channel 230, though in the execution mode illustrated occasion of rectangular shape, be not limited to this, also can be ellipse, Long Circle, distortion polygon etc. with and combination.
7) number of above-mentioned connection air channel and above-mentioned cooling air channel also can be 2 or 3 except being 1.
8) radiating fin 200 that is formed at cooling air channel 230 outer peripheral faces is not limited to the whole outer peripheral face of cooling air channel 230, also can be its part.
9) outer shape of each radiating fin 200 also is not limited to execution mode, also can be other shape.
In addition, the present invention the implementation phase in the scope that does not break away from its main idea, can carry out various distortion.In addition, each execution mode also can carry out appropriate combination and implement as possible, in this occasion, and the effect that can obtain to make up.In addition, comprise the invention in various stages in the respective embodiments described above,, can extract various inventions out by the appropriate combination of disclosed a plurality of inscapes.For example, extract the occasion of invention out omit several inscapes from all inscapes shown in the execution mode, when implementing the invention of this extraction, clipped can suitably remedy with known conventional techniques.
The possibility of utilizing on the industry
Totally enclosed main electric motor for driving vehicle of the present invention is by being provided for and will flowing through urceolus The wind that travels around the housing gathers the wind guiding mechanism that travels of cooler, can be with in prior art In the wind that travels of obstructed subcooler guide to cooler, so cooling effect improves, can be real Existing long lifetime.
In addition, according to the present invention, can provide Totally enclosed main electric motor for driving vehicle, this vehicle Driving with Totally enclosed main electric motor by cooler is improved the cooling performance of the interior gas that circulates, from And can reduce the temperature rise of each one in the machine, so, can realize motor miniaturization and or Capacity (output) increases, and simultaneously, can realize the Labor-saving of safeguarding of cooler.

Claims (32)

1. Totally enclosed main electric motor for driving vehicle is characterized in that: comprising:
The central shaft level and with vehicle direct of travel orthogonal be installed on the urceolus housing of the tubular on the vehicle,
Be located at the stator core in the interior week of above-mentioned urceolus housing,
Be located at the carriage that is built-in with bearing in the square end portion of above-mentioned urceolus housing,
Be located at the shell that is built-in with bearing on the opposing party end of above-mentioned urceolus housing,
Support the armature spindle at both ends by the above-mentioned bearing of above-mentioned carriage and the above-mentioned bearing of above-mentioned shell,
Be located at the rotor core of the vertical substantial middle portion of above-mentioned armature spindle,
Be located at the fan of a square end portion of above-mentioned armature spindle,
Be located at the peristome at axial both ends of the perisporium of above-mentioned urceolus housing respectively,
Be located at a pair of air channel that is connected in the outside of above-mentioned perisporium communicatively with above-mentioned peristome,
Being interconnected connects the breather pipe in above-mentioned connection air channel,
Have above-mentioned breather pipe and make the heat of the air by above-mentioned breather pipe inside be dispersed into the cooler of outer gas,
Be located at the fan of a square end portion of above-mentioned armature spindle for air circulation in the above-mentioned urceolus housing being flow to cool off in the above-mentioned cooler, and
To flow through the wind that travels around the above-mentioned urceolus housing and gather the wind guiding mechanism that travels in the above-mentioned cooler.
2. Totally enclosed main electric motor for driving vehicle according to claim 1 is characterized in that:
Above line sailing guiding mechanism is made of the guide plate in the above and below of above-mentioned cooler horizontal arrangement.
3. Totally enclosed main electric motor for driving vehicle according to claim 2 is characterized in that:
The above-mentioned guide plate of upside has than above-mentioned cooler more towards the outstanding end of the front side of above-mentioned vehicle direct of travel, and above-mentioned end is with respect to crooked 10 °～45 ° up of above-mentioned vehicle direct of travels.
4. Totally enclosed main electric motor for driving vehicle according to claim 2 is characterized in that:
The above-mentioned guide plate of downside has than above-mentioned cooler more towards the outstanding end of the front side of above-mentioned vehicle direct of travel, and above-mentioned end is with respect to 10 °～60 ° of above-mentioned vehicle direct of travel decurvations.
5. Totally enclosed main electric motor for driving vehicle according to claim 2 is characterized in that:
Above-mentioned guide plate is located at the front side and the rear side of the above-mentioned vehicle direct of travel of above-mentioned cooler, the guide plate of above-mentioned front side forms towards the mode that front side enlarges continuously with transverse width, the guide plate of above-mentioned rear side forms in the mode of the transverse width continuous expansion of side towards the rear, and the both side edges of the above-mentioned guide plate of the above-mentioned guide plate of above-mentioned front side and above-mentioned rear side tilts 10 °～60 ° with respect to above-mentioned vehicle direct of travel.
6. Totally enclosed main electric motor for driving vehicle according to claim 2 is characterized in that:
Above-mentioned guide plate has than above-mentioned cooler more towards the front side of above-mentioned vehicle direct of travel outstanding and transverse width towards trapezoidal end that front side enlarges continuously.
7. Totally enclosed main electric motor for driving vehicle according to claim 2 is characterized in that:
Above-mentioned guide plate has than above-mentioned cooler more towards the front side of above-mentioned vehicle direct of travel outstanding and transverse width towards fan-shaped end that front side enlarges continuously.
8. Totally enclosed main electric motor for driving vehicle according to claim 2 is characterized in that:
Have the top mount pad that forms towards the outstanding mode of the rear side of above-mentioned vehicle direct of travel with the perisporium top from above-mentioned urceolus housing, the above-mentioned guide plate of upside forms in the mode that extends to above-mentioned top mount pad.
9. Totally enclosed main electric motor for driving vehicle according to claim 1 is characterized in that:
The medial surface in opposite directions in above-mentioned a pair of connection air channel is formed towards the outstanding circular arc cross section of approaching mutually direction, and these medial surfaces constitute above line sailing guiding mechanism.
10. Totally enclosed main electric motor for driving vehicle according to claim 9 is characterized in that:
Have the top mount pad that forms towards the outstanding mode of the rear side of above-mentioned vehicle direct of travel with from the perisporium top of above-mentioned urceolus housing, above-mentioned a pair of connection air channel is so that above-mentioned medial surface extends to the mode of above-mentioned top mount pad forms.
11., it is characterized in that according to claim 9 or 10 described Totally enclosed main electric motor for driving vehicle:
Be provided with guide plate, this guide plate flatly is disposed at the above and below of above-mentioned cooler, is used for gathering above-mentioned cooler with flowing through the above-mentioned urceolus housing wind that travels on every side.
12. a Totally enclosed main electric motor is characterized in that: comprise
Rotor core,
Interior all sides at above-mentioned rotor core form a plurality of rotor ventilation holes,
Be located at the interior gas circulating fan of an end of the machine inboard of armature spindle,
Be located at the peristome of the both end sides of stator frame,
Be located at the cooler of the machine outside of said stator frame,
Be located at the connection air channel in the outside of the openings at two ends portion of said stator frame respectively,
The cooling air channel that between above-mentioned connection air channel, has the tubular of face, and
Be located at a plurality of radiating fins of the periphery wall of above-mentioned cooling air channel;
Above-mentioned peristome by the said stator frame is communicated to space in the machine with an end of each inner space in above-mentioned connection air channel, and the other end of each inner space is communicated to the above-mentioned inner space of above-mentioned cooling air channel,
Space in the above-mentioned machine of above-mentioned cooler is communicated to the above-mentioned peristome at the two ends of said stator frame respectively, make in the machine air in above-mentioned cooler circulation, cool off.
13. Totally enclosed main electric motor according to claim 12 is characterized in that:
When from axially the watching of above-mentioned motor, above-mentioned connection air channel, above-mentioned cooling air channel, and above-mentioned radiating fin form roughly fan-shaped.
14. Totally enclosed main electric motor according to claim 13 is characterized in that:
When from axially the watching of above-mentioned motor, the both ends open portion angle of said stator frame and the above-mentioned inlet angle that is connected the air channel, with above-mentioned in the integral multiple of the vanepiston angle of gas circulating fan or this angle consistent.
15. Totally enclosed main electric motor according to claim 14 is characterized in that:
When from axially the watching of above-mentioned motor, the above-mentioned rotor ventilation of the interlobate cardinal principle central configuration hole of gas circulating fan in above-mentioned.
16. Totally enclosed main electric motor according to claim 12 is characterized in that:
The ventilation road of above-mentioned cooling air channel is formed the lattice shape structure towards direction of ventilation.
17. Totally enclosed main electric motor according to claim 16 is characterized in that:
With the ventilation road of above-mentioned cooling air channel towards direction of ventilation form alveolate texture, bellows-shaped, and the corrugated plating shape in any.
18. Totally enclosed main electric motor according to claim 16 is characterized in that:
The ventilation road of above-mentioned cooling air channel is formed the structure that is provided with interrupted heat absorption fin towards direction of ventilation.
19. Totally enclosed main electric motor according to claim 16 is characterized in that:
The ventilation road of above-mentioned cooling air channel formed to be provided with in the mode that forms fenestra towards direction of ventilation suck the structure that blows out the heat absorption fin.
20. Totally enclosed main electric motor according to claim 16 is characterized in that:
In above-mentioned lattice shape structure,, each grid fenestra radially and circumferentially is divided into the n five equilibrium, along circumferentially being divided into the m five equilibrium when when axially watching.
21. Totally enclosed main electric motor according to claim 16 is characterized in that:
In above-mentioned lattice shape structure, if watch from the axle center of above-mentioned rotor core, then with the demarcation strip of grid when radially forming the n layer, also at the guide plate of inlet setting (n-1) sheet of grid fenestra.
22. Totally enclosed main electric motor according to claim 12 is characterized in that:
Inlet in above-mentioned connection air channel is provided with the rectification grid.
23. any one the described Totally enclosed main electric motor according in the claim 17～19 is characterized in that:
Via of the outlet of above-mentioned cooling air channel, in lattice shape structure, alveolate texture, wave structure, the corrugated board structures is set continuously from the inlet in above-mentioned connection air channel to above-mentioned connection air channel.
24., it is characterized in that according to claim 12 or 13 described Totally enclosed main electric motors:
From axially the watching of above-mentioned motor the time, above-mentioned connection air channel and above-mentioned cooling air channel are C shape roughly.
25., it is characterized in that according to claim 12 or 13 described Totally enclosed main electric motors:
When the axle right angle orientation of above-mentioned motor is watched, above-mentioned connection air channel and above-mentioned cooling air channel are formed roughly circular arc.
26. any one the described Totally enclosed main electric motor according in the claim 12,13 or 24 is characterized in that:
When the axle right angle orientation of above-mentioned motor is watched, the outer shape of above-mentioned radiating fin integral body is essentially rectangular or part circular roughly.
27. Totally enclosed main electric motor according to claim 24 is characterized in that:
Make above-mentioned in the radius of curvature of master of gas circulating fan roughly the same with the radius of the above-mentioned circular arc that is connected air channel and above-mentioned cooling air channel.
28., it is characterized in that according to claim 12 or 13 described Totally enclosed main electric motors:
When the axle right angle orientation of above-mentioned motor is watched, with at least one square roughly circular arc that becomes in above-mentioned connection air channel.
29. Totally enclosed main electric motor according to claim 12 is characterized in that:
With respect to the roughly radius of the master of gas circulating fan in above-mentioned, above-mentioned in about 1.2 times～1.4 times scope of the roughly radius of gas circulating fan master, formation rotatably mounted above-mentioned in the roughly radius of bearing pedestal inwall of above-mentioned armature spindle of gas circulating fan side.
30., it is characterized in that according to claim 12 or 13 described Totally enclosed main electric motors:
When the axle right angle orientation of above-mentioned motor is watched, above-mentioned connection air channel or above-mentioned connection air channel and above-mentioned cooling air channel are formed the tilted shape of linearity.
31. Totally enclosed main electric motor according to claim 30 is characterized in that:
At above-mentioned armature spindle is the occasion of reference axis, and the angle of inclination of the tilted shape of above-mentioned linearity is in the roughly scope of 30 degree～60 degree.
32. Totally enclosed main electric motor according to claim 24 is characterized in that:
When the axle right angle orientation of above-mentioned motor is watched, the outer shape of above-mentioned radiating fin integral body is formed essentially rectangular or part circular roughly.
CN 200580039109 2004-10-01 2005-09-29 Totally enclosed main electric motor for driving vehicle Pending CN101057385A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP290412/2004 2004-10-01
JP2004290412A JP2006109570A (en) 2004-10-01 2004-10-01 Totally enclosed main motor for driving vehicle
JP291622/2004 2004-10-04

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CN104009583A (en) * 2013-02-26 2014-08-27 上海仕强电气有限公司 Inner air-cooled motor
CN104838563A (en) * 2012-12-04 2015-08-12 西门子公司 Electric machine with combined air and water cooling
CN110545012A (en) * 2018-05-29 2019-12-06 中车株洲电力机车研究所有限公司 Totally-enclosed natural cooling traction motor
CN112292802A (en) * 2018-05-11 2021-01-29 株式会社日立产业机器 Rotating electrical machine
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JP5462829B2 (en) * 2011-03-30 2014-04-02 株式会社日立製作所 Motor bearing structure
CN102412662B (en) * 2011-12-05 2013-07-03 国电联合动力技术有限公司 Cooling device for direct-drive permanent magnet wind power generator

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CN103765732A (en) * 2011-08-29 2014-04-30 格伦德福斯管理联合股份公司 Electric motor
US9543807B2 (en) 2011-08-29 2017-01-10 Grundfos Management A/S Electric motor
CN104838563A (en) * 2012-12-04 2015-08-12 西门子公司 Electric machine with combined air and water cooling
CN104838563B (en) * 2012-12-04 2017-04-12 西门子公司 Electric machine with combined air and water cooling
CN104009583A (en) * 2013-02-26 2014-08-27 上海仕强电气有限公司 Inner air-cooled motor
CN112292802A (en) * 2018-05-11 2021-01-29 株式会社日立产业机器 Rotating electrical machine
CN112292802B (en) * 2018-05-11 2023-12-08 株式会社日立产业机器 Rotary electric machine
CN110545012A (en) * 2018-05-29 2019-12-06 中车株洲电力机车研究所有限公司 Totally-enclosed natural cooling traction motor
CN117914052A (en) * 2024-03-19 2024-04-19 淮北津奥铝业有限公司 New energy automobile motor aluminum alloy shell foundry goods
CN117914052B (en) * 2024-03-19 2024-05-24 淮北津奥铝业有限公司 New energy automobile motor aluminum alloy shell foundry goods

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