CN102684393B - Air duct for rotating electric machine and rotating electric machine unit - Google Patents
Air duct for rotating electric machine and rotating electric machine unit Download PDFInfo
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- CN102684393B CN102684393B CN201210069451.1A CN201210069451A CN102684393B CN 102684393 B CN102684393 B CN 102684393B CN 201210069451 A CN201210069451 A CN 201210069451A CN 102684393 B CN102684393 B CN 102684393B
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- electric rotating
- rotating machine
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- installation portion
- recess
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- 238000001816 cooling Methods 0.000 claims abstract description 203
- 238000009434 installation Methods 0.000 claims description 110
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention provides an air duct for a rotating electric machine and a rotating electric machine unit, which can efficiently cool the rotating electric machine. The air duct (2) for a rotating electrical machine is provided with: a motor mounting portion (41) that is mounted to a motor portion (1) that is provided with a plurality of cooling passages (17) and that has a substantially rectangular shape when viewed in the axial direction, the motor mounting portion including a recess (42) that is connected to the cooling passages of the motor portion; a connection section (51a, 51b) including flow paths (52a, 52b) formed to extend in the axial direction; and a cooling fan mounting portion (61) which is connected to the flow paths (52a, 52b) of the connecting portions (51a, 51b) and is used for mounting the cooling fan (3), wherein the flow paths of the connecting portions (51a, 51b) are arranged to extend from the vicinity of one end portion to the vicinity of the other end portion of the side of the substantially rectangular motor portion so as to correspond to the plurality of cooling passages when viewed in the axial direction of the motor portion.
Description
Technical field
The present invention relates to electric rotating machine air conduit and rotary motor unit, particularly relate to the electric rotating machine air conduit and rotary motor unit that comprise the stream linked with the cooling channel of electric rotating machine.
Background technology
In the past, the electric rotating machine air conduit (such as with reference to patent documentation 1) comprising the stream linked with the cooling channel of electric rotating machine was known to.
In above-mentioned patent documentation 1, disclose a kind of ventilated motor (rotary motor unit), it possesses motor (electric rotating machine), is arranged to surround the motor field frame of motor, is installed on the air pipe (electric rotating machine air conduit) of motor field frame and is installed on the pressure cooling fan of air trunking.In the motor field frame of this ventilated motor, be provided with Cooling Holes in the axially extended mode along motor.This Cooling Holes and air trunking link.Further, by pressure cooling fan, suck air from the end of Cooling Holes, and the air sucked is discharged to the top of motor via the Cooling Holes of motor field frame and air trunking, is cooled by motor thus.In addition, from the end on observation of motor, the Cooling Holes of motor field frame is provided with 4 in four bights totals of the motor field frame of rectangular shape.In addition, air trunking is provided with 2,2 air trunkings be arranged to respectively with 2 the opposite Cooling Holes overlaps in total 4 Cooling Holes that four bights at motor field frame are arranged.In addition, the air that 2 never overlapping with air trunking Cooling Holes are discharged collides with the lid parts being arranged to cover Cooling Holes, moves in the mode rotated around the axle of motor.Then, flow into the air trunking overlapping with Cooling Holes and discharge.
[at first technical literature]
[patent documentation]
[patent documentation 1] Japanese Unexamined Patent Publication 2003-9466 publication
But, be configured in the electric rotating machine air conduit that above-mentioned patent documentation 1 is recorded, whole air that 2 never overlapping with air trunking Cooling Holes are discharged collides with the lid parts being arranged to cover Cooling Holes, after moving in the mode rotated around the axle of motor, flow into the air trunking overlapping with Cooling Holes and discharge, therefore, there is the situation can not discharging the air that 2 never overlapping with air trunking Cooling Holes are discharged efficiently.Therefore, there is the problem of more efficiently carrying out the cooling of motor.
Summary of the invention
The present invention completes to solve above-mentioned problem, an object of the present invention is to provide electric rotating machine air conduit and the rotary motor unit that can carry out the cooling of electric rotating machine efficiently.
In order to reach above-mentioned purpose, the electric rotating machine air conduit of the 1st aspect of the present invention possesses: electric rotating machine installation portion, described electric rotating machine installation portion is installed on electric rotating machine, this electric rotating machine is provided with multiple cooling channel vertically and from end on observation shape in the form of a substantially rectangular, described electric rotating machine installation portion comprises the 1st stream linked with the cooling channel of electric rotating machine; Linking part, described linking part comprises the 2nd stream, and the 1st stream of the 2nd stream and electric rotating machine installation portion links and is formed as extending vertically; And cooling fan installation portion, 2nd stream of described cooling fan installation portion and linking part links, and for installing cooling fan, from the end on observation of electric rotating machine, 2nd stream of linking part is arranged to, in the mode corresponding with multiple cooling channel, extend near the other end near an end on the limit of the electric rotating machine of rectangular shape.In addition, rectangular shape not only comprises the wider concept that general rectangular shape also comprises the polygonal shape of the bight chamfering of rectangular shape.
The rotary motor unit of the 2nd aspect of the present invention possesses: electric rotating machine, and described electric rotating machine is provided with multiple 1st cooling channel and vertically from end on observation shape in the form of a substantially rectangular; With electric rotating machine air conduit, described electric rotating machine air conduit is installed on electric rotating machine, electric rotating machine air conduit comprises: electric rotating machine installation portion, and described electric rotating machine installation portion is installed on electric rotating machine, and has the 1st stream linked with the 1st cooling channel of electric rotating machine; Linking part, described linking part has the 2nd stream, and the 1st stream of the 2nd stream and electric rotating machine installation portion links and is formed as extending vertically; And cooling fan installation portion, 2nd stream of described cooling fan installation portion and linking part links, and for installing cooling fan, from the end on observation of electric rotating machine, 2nd stream of linking part is arranged to, in the mode corresponding with multiple cooling channel, extend near the other end near an end on the limit of the electric rotating machine of rectangular shape.In addition, rectangular shape not only comprises the wider concept that general rectangular shape also comprises the polygonal shape of the bight chamfering of rectangular shape.
In the present invention, as mentioned above, from the end on observation of electric rotating machine, 2nd stream of linking part is arranged to, extend near the other end in the mode corresponding with multiple cooling channel near an end on the limit of the electric rotating machine of rectangular shape, thus, from the end on observation of electric rotating machine, the 2nd stream of linking part can be made overlapping with the multiple cooling channels arranged in the bight of electric rotating machine.Be fed directly to the discharge of cooling fan side in the 2nd stream, therefore, it is possible to carry out the cooling of electric rotating machine efficiently thereby, it is possible to make to move the air come vertically in multiple cooling channels of electric rotating machine.
Accompanying drawing explanation
Fig. 1 is the integrally-built figure of the motor unit representing the 1st execution mode of the present invention.
Fig. 2 is the cutaway view of the motor part of the motor unit of the 1st execution mode of the present invention.
Fig. 3 is the vertical view in the motor body portion of the motor part of the motor unit of the 1st execution mode of the present invention.
Fig. 4 is the vertical view of the extraneous air introduction part of the motor part of the motor unit of the 1st execution mode of the present invention.
Fig. 5 is the end view of the extraneous air introduction part of the motor part of the motor unit of the 1st execution mode of the present invention.
Fig. 6 is the exploded perspective view of the motor body portion of the motor unit of the 1st execution mode of the present invention, extraneous air introduction part and air conduit.
Fig. 7 is the stereogram of the air conduit of the motor unit observing the 1st execution mode of the present invention from below.
Fig. 8 is the cutaway view of the 200-200 line along Figure 10.
Fig. 9 is the cutaway view of the 300-300 line along Figure 10.
Figure 10 is the cutaway view of the 400-400 line along Fig. 8.
Figure 11 is the cutaway view of the 500-500 line along Fig. 8.
Figure 12 is the cutaway view of the 600-600 line along Fig. 8.
Figure 13 is the integrally-built figure of the motor unit representing the 2nd execution mode of the present invention.
Figure 14 is the cutaway view of the 700-700 line along Figure 13.
Figure 15 is the integrally-built figure of the motor unit representing the 3rd execution mode of the present invention.
[label declaration]
1 motor part (electric rotating machine)
2 air conduits (electric rotating machine air conduit)
3 cooling fans
5 extraneous air introduction parts
17 cooling channels (the 1st cooling channel)
18,84 fins (the 1st fin)
31 cooling channels (the 2nd cooling channel)
32 fins (the 2nd fin)
33 holes portion
41 motor installation portions (electric rotating machine installation portion)
42 recesses (the 1st stream, the 1st recess)
43 through holes
44 spaces
51,51a, 51b, 71a, 71b linking part
52a, 52b, 72a, 72b stream (the 2nd stream)
61 cooling fan installation portions
62 recesses (the 2nd recess)
63 recesses (the 3rd recess)
64 stage portion
73a, 73b peristome
100,101,102 motor units (rotary motor unit)
Embodiment
Based on accompanying drawing, embodiments of the present invention are described below.
(the 1st execution mode)
First, the structure of the motor unit 100 of the 1st execution mode of the present invention is described with reference to Fig. 1 ~ Fig. 7.In addition, motor unit 100 is examples of " rotary motor unit " of the present invention.
As shown in Figure 1, motor unit 100 is made up of motor part 1 and the air conduit 2 being installed on motor part 1.In addition, motor unit 100 (air conduit 2) is provided with cooling fan 3.In addition, motor part 1 is an example of " electric rotating machine " of the present invention.In addition, air conduit 2 is examples of " electric rotating machine air conduit " of the present invention.
Motor part 1 is made up of motor body portion 4 and extraneous air introduction part 5.Motor body portion 4 possesses stator 11, rotor 12, bearing 13a and 13b, bracket 14a and 14b and framework 15.
Stator 11 and rotor 12 are configured at the inside of framework 15.In addition, stator 11 and rotor 12 are configured on the radial direction of rotor 12 opposed.In addition, stator 11 is wound with coiling 11a.In addition, bracket 14a and 14b is separately installed with at the two ends of the axis along motor part 1 (Z-direction) of framework 15.Bracket 14a and 14b is separately installed with bearing 13a and 13b be made up of ball bearing etc.Rotor 12 is provided with axle 16 in the mode running through rotor 12.Axle 16 be provided with for device (not shown) the supply system cryogen arranged with motor unit 100 split, the through hole 16a that extends along Z-direction.In addition, axle 16 is supported on bearing 13a and 13b being located at bracket 14a and 14b respectively in the mode that can rotate.
In addition, as shown in Figure 3, top view (observing from the axis (arrow Z1 direction) of motor part 1), motor body portion 4 (bracket 14a, 14b and framework 15) is formed as rectangular shape (quadrangle form).In addition, as shown in Figures 2 and 3, in motor body portion 4 to run through the mode of bracket 14a, 14b and framework 15, be provided with for multiple (being 4 in the 1st execution mode) cooling channel 17 by ventilated motor main part 4.4 cooling channels 17 are located at bracket 14a, 14b of rectangular shape and four bights of framework 15.In addition, observe from the axis (arrow Z1 direction) of motor part 1,4 cooling channels 17 are in general triangular shape.In addition, cooling channel 17 is examples of " the 1st cooling channel " of the present invention.
As shown in Figures 2 and 3, the protuberance 141,142 and 143 of 3 drums is formed in the end of the side, arrow Z1 direction of bracket 14a.Observe from arrow Z1 direction, protuberance 141 is formed as roughly positive toroidal, and has the diameter R1 roughly equal with the diameter R3 of the through hole 34 of extraneous air introduction part 5 described later (with reference to Fig. 4).In addition, observe from arrow Z1 direction, protuberance 142 is formed as roughly positive toroidal.Herein, in the 1st execution mode, be provided with the multiple fins 18 for making the heat in motor body portion 4 distribute at the lateral surface 142a of protuberance 142.In addition, fin 18 is examples of " the 1st fin " of the present invention.As shown in Figure 3, multiple fin 18 is positioned at the lateral surface 142a of the protuberance 142 of drum and is arranged on the position corresponding with 4 cooling channels 17.In addition, multiple fin 18 is formed as radially extending from the lateral surface 142a of protuberance 142 to radial direction side.In addition, observe from arrow Z1 direction, multiple fin 18 is configured at not overlapping with 4 cooling channels 17 position.In addition, multiple fin 18 is configured to, under the state in the through hole 43 (with reference to Fig. 8) protuberance 143 in motor body portion 4 being inserted in motor installation portion 41 described later, the axle 16 in motor body portion 4 being exposed, multiple fin 18 exposes to the space 44 of the ring-type that the inner surface of the recess 42 of the lateral surface 142a of the protuberance 142 by motor body portion 4 and motor installation portion 41 surrounds.In addition, observe from arrow Z1 direction, protuberance 143 is formed as roughly positive toroidal, and has the diameter R2 roughly equal with the diameter R4 of the through hole 43 of air conduit 2 described later (with reference to Fig. 6).
As shown in Figure 2, axle 16 (through hole 16a) is connected with cold-producing medium supply pipe 20 via swivel coupling 19.Thus, be configured to, even if axle 16 rotates, cold-producing medium supply pipe 20 also non rotating.In addition, the coupling part that swivel coupling 19 is connected with cold-producing medium supply pipe 20 is covered by housing 21.In addition, housing 21 is connected with 2 drainage piping 22a and 22b.
In addition, in the 1st execution mode, as shown in Figure 1, between air conduit 2 and motor body portion 4 (bracket 14a), extraneous air introduction part 5 is provided with.As shown in Figure 4, observe from arrow Z1 direction, extraneous air introduction part 5 is formed as rectangular shape.In addition, 4 cooling channels 31 are provided with in four bights of extraneous air introduction part 5.Observe from arrow Z1 direction, the cooling channel 31 of extraneous air introduction part 5 is in the shape roughly the same with the cooling channel 17 in motor body portion 4.The cooling channel 31 of extraneous air introduction part 5 is arranged to the recess 42 of the cooling channel 17 in motor body portion 4 and motor installation portion 41 described later to link.In addition, cooling channel 31 is examples of " the 2nd cooling channel " of the present invention.
In addition, in the 1st execution mode, be provided with multiple fin 32 at the medial surface of the central side of the cooling channel 31 of extraneous air introduction part 5 in the mode of the outside extension of air introduction part 5 towards the outside.In addition, fin 32 is examples of " the 2nd fin " of the present invention.Fin 32 has the function in cool motors portion 1.In addition, as shown in Figures 4 and 5, the multiple hole portion 33 linked with cooling channel 31 is provided with in extraneous air introduction part 5.For 1 cooling channel 31, be provided with 1 hole portion 33 from the medial surface of cooling channel 31 to the lateral surface of extraneous air introduction part 5 in the mode extended in X direction, and be provided with 1 hole portion 33 from the medial surface of cooling channel 31 to the lateral surface of extraneous air introduction part 5 in the mode extended along Y-direction.In addition, through hole 34 is provided with at the central portion of extraneous air introduction part 5.Observe from arrow Z1 direction, the through hole 34 of extraneous air introduction part 5 is formed as roughly positive toroidal, and has the diameter R3 roughly equal with the diameter R1 of the protuberance 141 of bracket 14a (with reference to Fig. 3).
As shown in figs. 6-9, air conduit 2 by being installed on the motor installation portion 41 of motor part 1, the linking part 51 be connected with motor installation portion 41, to be connected with linking part 51 and cooling fan installation portion 61 for installing cooling fan 3 is formed.In addition, motor installation portion 41, linking part 51 and cooling fan installation portion 61 are made up of aluminium etc., and form.In addition, motor installation portion 41 is examples of " electric rotating machine installation portion " of the present invention.
As shown in Figures 7 and 8, in the 1st execution mode, be formed with the recess 42 opened wide to arrow Z2 direction at motor installation portion 41.In addition, recess 42 is examples of " the 1st stream " of the present invention and " the 1st recess ".In addition, be provided with through hole 43 in the bottom of recess 42, this through hole 43 inserts for the protuberance 143 (with reference to Fig. 2, Fig. 3) of electric motor main part 4 and the axle 16 in motor body portion 4 is exposed.Observe from arrow Z1 direction, the through hole 43 of motor installation portion 41 is formed as roughly positive toroidal, and has the diameter R4 (with reference to Fig. 6) roughly equal with the diameter R2 of the protuberance 143 of bracket 14a.
In addition, under the state in the through hole 43 protuberance 143 in motor body portion 4 being inserted in motor installation portion 41, the axle 16 in motor body portion 4 being exposed, the upper surface of protuberance 142 abuts with the bottom surface of the recess 42 of motor installation portion 41.Thus, the part surrounded at the inner surface (inside bottom surface 42a and inner side surface 42b) of the lateral surface 142a of the protuberance 142 by motor body portion 4 and the recess 42 of motor installation portion 41 defines the space 44 (part surrounded by the oblique line (motor installation portion 41, protuberance 142) of Figure 12) of ring-type.The space 44 of ring-type links with the cooling channel 31 of extraneous air introduction part 5.The space 44 of this ring-type is configured to, a part for the air come is moved vertically in the cooling channel 17 in motor body portion 4 and in the cooling channel 31 of extraneous air introduction part 5, using after being moved as the mode that center carries out rotating by the axle 16 (protuberance 142) in motor body portion 4 in the space 44 of ring-type, flow into stream 52a and 52b of linking part 51 described later.
As shown in figs. 6-9, in the 1st execution mode, linking part 51 is formed as the roughly cubic shaped of hollow, and linking part 51 is provided with 2 (linking part 51a and 51b) in the end of the side, arrow X1 direction of air conduit 2 and the end of side, arrow X2 direction.2 linking part 51a and 51b are formed as extending along Z-direction.In addition, the width W 1 along Y-direction of linking part 51 is less than the width W 2 along Y-direction of motor installation portion 41.In addition, as shown in Fig. 8, Fig. 9 and Figure 11,2 linking part 51a and 51b inside separately, the mode linked with the space 44 (recess 42) of the ring-type with motor installation portion 41 is provided with stream 52a and 52b of horizontal cross-section shape in the form of a substantially rectangular.In addition, linking part 51a and 51b is an example of " the 2nd stream " of the present invention.
Herein, in the 1st execution mode, as shown in figure 11, observe from arrow Z1 direction, linking part 51a and 51b stream 52a and 52b is separately arranged to, near the end extending to side, arrow Y2 direction with 2 opposite limits in the motor body portion 4 along rectangular shape near the end of side, arrow Y1 direction.In addition, observe from arrow Z1 direction, linking part 51a and 51b stream 52a and 52b is separately arranged to, overlapping partly with the cooling channel 17 (cooling channel 17a, 17b, 17c and 17d) being located at motor body portion 4.Specifically, the stream 52a of linking part 51a is arranged to, under the state of the cooling channel 17a and cooling channel 17b that are across motor body portion 4, overlapping partly with cooling channel 17a and cooling channel 17b.In addition, the stream 52b of linking part 51b is arranged to, under the state of the cooling channel 17c and cooling channel 17d that are across motor body portion 4, overlapping partly with cooling channel 17c and cooling channel 17d.In addition, the area that stream 52a is overlapping with cooling channel 17a (cooling channel 17b), is less than the area that stream 52a is not overlapping with cooling channel 17a (cooling channel 17b).Equally, the area that stream 52b is overlapping with cooling channel 17c (cooling channel 17d), is less than the area that stream 52b is not overlapping with cooling channel 17c (cooling channel 17d).
In addition, in the 1st execution mode, observe from arrow Z1 direction, stream 52a and 52b of linking part 51a and 51b is arranged to, overlapping partly with the space 44 (recess 42) of the ring-type of motor installation portion 41.Thus, move a part for the air come in the cooling channel 17 in motor body portion 4 and in the cooling channel 31 of extraneous air introduction part 5 vertically, be fed directly to stream 52a and 52b through the space 44 of ring-type.On the other hand, remaining air using after being moved as the mode that center carries out rotating by the axle 16 (protuberance 142) in motor body portion 4, flow into stream 52a and 52b in the space 44 of ring-type.
In addition, in the 1st execution mode, as shown in Fig. 6, Fig. 8, Fig. 9 and Figure 10, be provided with recess 62 in the side (side, arrow Z1 direction) being provided with cooling fan 3 of cooling fan installation portion 61.In addition, the bottom of the recess 62 of cooling fan installation portion 61 and stream 52a and 52b of linking part 51a and 51b link.In addition, in the part that the stream 52a of linking part 51a and recess 62 link, be provided with the recess 63 extended along Y-direction with recess 62 continuous print mode.In addition, the boundary portion between the side (side, arrow X2 direction) and recess 62 of the central authorities by cooling fan installation portion 61 of recess 63 is provided with stage portion 64.In addition, recess 62 is examples of " the 2nd recess " of the present invention.In addition, recess 63 is examples of " the 3rd recess " of the present invention.
In addition, in the 1st execution mode, as shown in Figure 6, the width W 3 in X direction of cooling fan installation portion 61 is configured to the width W 4 being in X direction greater than motor installation portion 41.In addition, the width W 5 along Y-direction of cooling fan installation portion 61 is configured to the width W 2 along Y-direction being greater than motor installation portion 41.Further, the side being configured to the side, arrow X2 direction of cooling fan installation portion 61 from the side of the side, arrow X2 direction of motor installation portion 41 laterally (side, arrow X2 direction) give prominence to.In addition, the side that cooling fan installation portion 61 is configured to the side of the side, arrow X1 direction of cooling fan installation portion 61 and the side, arrow X1 direction of motor installation portion 41 is roughly positioned at same.Thus, as shown in Fig. 1, Fig. 8 and Fig. 9, the center line C2 of center line C1 and cooling fan 3 that motor part 1 and cooling fan 3 are configured to motor part 1 staggers.
Then, the flowing of the air in cool motors portion 1 is described with reference to Fig. 9 and Figure 12.
First, cooling fan 3 rotates, thus sucks air from the end of the side, arrow Z2 direction of the cooling channel 17 in motor body portion 4.Further, the air sucked moves along arrow Z1 direction in the cooling channel 17 in motor body portion 4.Now, the heat produced by motor part 1 passes to the air of movement in cooling channel 17.Thus, motor part 1 is cooled.The air of movement in cooling channel 17 is mobile in the cooling channel 31 of extraneous air introduction part 5.Now, extraneous air is sucked from the hole portion 33 of extraneous air introduction part 5.Thus, the air of movement in cooling channel 31 and the extraneous air mixing sucked from hole portion 33, the temperature reduction of the air of movement cooling channel 31 in.In addition, the heat of the end (bracket 14a) of the side, arrow Z1 direction in motor body portion 4 dispels the heat to the air of movement in cooling channel 31 via multiple fins 32 of the medial surface being located at cooling channel 31, and the end (bracket 14a) of the side, arrow Z1 direction in motor body portion 4 is cooled thus.
Then, the space 44 of ring-type that air surrounds from cooling channel 31 to the inner surface (inside bottom surface 42a and inner side surface 42b) of the recess 42 of the lateral surface 142a of the protuberance 142 by motor body portion 4 and motor installation portion 41 flows into.And, observe from arrow Z1 direction, stream 52a and 52b of linking part 51a and 51b be arranged to the space 44 of the ring-type of motor installation portion 41 partly overlapping (with reference to Figure 11), the cooling channel 17 in motor body portion 4 in and in the cooling channel 31 of extraneous air introduction part 5, the part of air that (arrow Z1 direction) is mobile is fed directly in stream 52a and 52b of linking part 51a and 51b via the space 44 of ring-type vertically.On the other hand, the inner surface (inside bottom surface 42a and inner side surface 42b) of the recess 42 of remaining air and motor installation portion 41 collides, and makes moving direction be changed to X-direction or Y-direction from Z-direction.And then as shown in figure 12, remaining air using after being moved as the mode that center carries out rotating by the axle 16 (protuberance 142) of motor part 1, flow in stream 52a and 52b of linking part 51a and 51b in the space 44 of ring-type.
Then, the air of movement in stream 52a and 52b of linking part 51a and 51b moves in the recess 62 of cooling fan installation portion 61.Herein, because the boundary portion between the side (side, arrow X2 direction) of the central authorities of cooling fan installation portion 61 and recess 62 of leaning on of the recess 63 at cooling fan installation portion 61 is provided with stage portion 64, the moving direction moving the air come in the stream 52a of linking part 51a along arrow Z1 direction is changed to the direction intersected with arrow Z1 direction towards the center side of cooling fan installation portion 61.Then, the air of movement in the recess 62 of cooling fan installation portion 61 is cooled discharges with fan 3.
In the 1st execution mode, as mentioned above, observe from arrow Z1 direction, stream 52a and 52b of linking part 51a and 51b is arranged to, extend near the other end in the mode corresponding with 4 cooling channels 17 near an end on the limit of the motor part 1 of rectangular shape, observe from arrow Z1 direction thus, stream 52a and 52b of linking part 51a and 51b can be made overlapping with 4 cooling channels 17 arranged in the bight of motor part 1.Be fed directly to the discharge of cooling fan 3 side in stream 52a and 52b, therefore, it is possible to carry out the cooling of motor part 1 efficiently thereby, it is possible to make to move the air come vertically in 4 cooling channels 17 of motor part 1.
In addition, in the 1st execution mode, as mentioned above, the cooling channel 17 of motor part 1 is set respectively at 4 adjacent corner of the motor part 1 of rectangular shape, linking part 51 comprises 2 linking part 51a and 51b, be arranged to by 2 linking part 51a and 51b stream 52a and 52b separately, observe from arrow Z1 direction, 2 the opposite limits along the motor part 1 of rectangular shape extend near the other end near an end.Thereby, it is possible to easily make stream 52a and 52b of 2 linking part 51a and 51b overlapping with the cooling channel 17 that 4 adjacent corner in motor part 1 are arranged.
In addition, in the 1st execution mode, as mentioned above, observe from arrow Z1 direction, the stream 52a (52b) of linking part 51a (51b) is arranged in a part respective with 2 cooling channels 17 under the state across 2 cooling channels 17 being located at motor part 1 overlapping.Thereby, it is possible to easily make mobile next air in 2 cooling channels 17 being located at motor part 1 flow in the stream 52a (52b) of linking part 51a (51b).
In addition, in the 1st execution mode, as mentioned above, be configured to, in the cooling channel 17 of motor part 1 vertically mobile come portion of air in the space 44 of ring-type using after the axle of motor part 1 is moved as the mode that center carries out rotating, flow in stream 52a and 52b of linking part 51a and 51b.Thus, the heat of the part (end in motor body portion 4, bracket 14a) corresponding with the space 44 of ring-type of motor part 1 passes to the air the axle of motor part 1 to be carried out the mode movement rotated as center, therefore, it is possible to cool the part corresponding with the space 44 of ring-type of motor part 1.
In addition, in the 1st execution mode, as mentioned above, observe from arrow Z1 direction, stream 52a and 52b of linking part 51a and 51b is arranged to, overlapping partly with the space 44 of the ring-type of motor installation portion 41, thus be configured to, in the cooling channel 17 of motor part 1, mobile next portion of air is fed directly to stream 52a and 52b from the space 44 of ring-type vertically.Thereby, it is possible to easily next air mobile in the cooling channel 17 of motor part 1 is discharged to cooling fan 3 side.In addition, be configured to, in the cooling channel 17 of motor part 1 vertically mobile come remaining air in the space 44 of ring-type using after the axle of motor part 1 is moved as the mode that center carries out rotating, flow in stream 52a and 52b.Thereby, it is possible to cool the part corresponding with the space 44 of ring-type of motor part 1.
In addition, in the 1st execution mode, as mentioned above, in the part linked with stream 52a of the recess 62 of cooling fan installation portion 61 to be provided with recess 63 with recess 62 continuous print mode, the boundary portion between the side and recess 62 of the central authorities by cooling fan installation portion 61 of recess 63 is provided with stage portion 64.Thus, the moving direction moving axially the air come along motor part 1 in the stream 52a of linking part 51a is changed to towards the center side of cooling fan installation portion 61 (cooling fan 3 side), therefore, it is possible to easily discharged to cooling fan 3 side by next air mobile in the stream 52a of linking part 51a.
In addition, in the 1st execution mode, as mentioned above, cooling fan installation portion 61 is configured to, the width W 4 (W2) in the direction intersected with the axis of motor part 1 that the width W 3 (W5) in the direction intersected with the axis of motor part 1 of cooling fan installation portion 61 is greater than motor installation portion 41, be configured to by cooling fan installation portion 61, a side (side, arrow X2 direction, side, arrow Y1 direction) of cooling fan installation portion 61 is given prominence to laterally from a side (side, arrow X2 direction, side, arrow Y1 direction) of motor installation portion 41.Thus, the another side of cooling fan installation portion 61 (side, arrow X1 direction, side, arrow Y2 direction) can be made roughly to be in same with the another side (side, arrow X1 direction, side, arrow Y2 direction) of motor installation portion 41, therefore, even if when that side of the another side (another side of motor installation portion 41) for configuring cooling fan installation portion 61 is wall-like, also the another side of the another side of cooling fan installation portion 61 and motor installation portion 41 can be configured along wall.
In addition, in the 1st execution mode, as mentioned above, fin 18 is provided with in an end (bracket 14a) of motor part 1, under an end of motor part 1 is inserted in the state exposed in the through hole 43 of motor installation portion 41, this fin 18 exposes to the space 44 of ring-type.Thereby, it is possible to cool by the part corresponding with the space 44 of ring-type of fin 18 pairs of motor part 1.
In addition, in the 1st execution mode, as mentioned above, possesses the extraneous air introduction part 5 comprising cooling channel 31, this extraneous air introduction part 5 is configured between motor part 1 and air conduit 2, the space 44 (recess 42) of the cooling channel 17 of motor part 1 and the motor installation portion 41 of air conduit 2 links by described cooling channel 31, and is provided with the hole portion 33 for sucking extraneous air.Thus, in the cooling channel 17 of motor part 1, mobile next air mixes with the extraneous air that the hole portion 33 via extraneous air introduction part 5 flow in the cooling channel 31 of extraneous air introduction part 5, therefore, it is possible to make the temperature of mobile next air in the cooling channel 17 of motor part 1 reduce.
In addition, in the 1st execution mode, as mentioned above, in the cooling channel 31 of extraneous air introduction part 5, be provided with the fin 32 for making motor part 1 cool.Thereby, it is possible to the heat that the end (bracket 14a) from motor part 1 passes to extraneous air introduction part 5 is distributed by fin 32.
(the 2nd execution mode)
Then, with reference to Figure 13 and Figure 14, the 2nd execution mode is described.In the 2nd execution mode, be respectively equipped with peristome 73a and 73b at linking part 71a and 71b.
As shown in FIG. 13 and 14, the motor unit 101 of the 2nd execution mode of the present invention is provided with peristome 73a in the side, arrow X1 direction of linking part 71a in the mode linked with the stream 72a of linking part 71a.In addition, peristome 73b is provided with in the side, arrow X2 direction of linking part 71b in the mode linked with the stream 72b of linking part 71b.In addition, peristome 73a and peristome 73b is located at the side, arrow Z1 direction (motor installation portion 41 side) of linking part 71a and linking part 71b.In addition, motor unit 101 is examples of " rotary motor unit " of the present invention.In addition, stream 72a and 72b is an example of " the 2nd stream " of the present invention.In addition, other structures of the 2nd execution mode are identical with above-mentioned 1st execution mode.
In the 2nd execution mode, as mentioned above, linking part 71a (71b) comprises peristome 73a (73b), and described peristome 73a (73b) is arranged to link with stream 72a (72b) and for sucking extraneous air.Thus, in the cooling channel 17 of motor part 1, mobile next air mixes with the extraneous air that the peristome 73a (73b) via linking part 71a (71b) flow in stream 72a (72b), therefore, it is possible to make the temperature of mobile next air in the cooling channel 17 of motor part 1 reduce.In addition, other effects of the 2nd execution mode are identical with above-mentioned 1st execution mode.
(the 3rd execution mode)
Then, with reference to Figure 15, the 3rd execution mode is described.In the 3rd execution mode, different from the above-mentioned 1st and the 2nd execution mode, extraneous air introduction part 5 is not set.
In the motor unit 102 of the 3rd execution mode of the present invention, as shown in figure 15, extraneous air introduction part 5 (with reference to Fig. 1) is not set between motor body portion 4a and air conduit 2, but air conduit 2 is directly installed on motor body portion 4a.In addition, motor unit 102 is examples of " rotary motor unit " of the present invention.In addition, the protuberance 82 and 83 of 2 drums is formed in the end of the side, arrow Z1 direction of the bracket 81 of motor body portion 4a.The multiple fins 84 for making the heat of motor body portion 4a distribute are provided with in the side of protuberance 82.In addition, fin 84 is examples of " the 1st fin " of the present invention.In addition, the side of protuberance 83 is formed as abutting with the inner peripheral surface of the through hole 43 of air conduit 2.In addition, other structures of the 3rd execution mode are identical with above-mentioned 1st execution mode.
In addition, the effect of the 3rd execution mode is identical with above-mentioned 1st execution mode.
In addition, should think, execution mode of disclosure is illustration in all respects, instead of restrictive content.Scope of the present invention is not by the explanation of above-mentioned execution mode but is limited by claims, and comprises all changes in the implication and scope that are equal to claims.
Such as, in above-mentioned 1st ~ 3rd execution mode, show example electric rotating machine of the present invention being applied to motor, but the present invention is not limited thereto.Also electric rotating machine of the present invention can be applied to the device such as generator beyond motor.
In addition, in above-mentioned 1st ~ 3rd execution mode, describe the example observed the stream of the linking part area overlapping with the cooling channel of motor part from arrow Z1 direction and be less than not overlapping with the cooling channel of the motor part area of the stream of linking part, but the present invention is not limited thereto.In the present invention, the stream of the linking part area overlapping with the cooling channel of motor part also can be more than not overlapping with the cooling channel of the motor part area of the stream of linking part.
In addition, in above-mentioned 1st ~ 3rd execution mode, describe the example that the stream observing linking part from arrow Z1 direction is formed as rectangular shape, but the present invention is not limited thereto.In the present invention, as long as the stream of linking part is arranged to extend near the other end near an end on the limit of motor, then it also can be the shape except rectangular shape.
In addition, in above-mentioned 1st ~ 3rd execution mode, the side described in these 2 parts linked at the recess of cooling fan installation portion and the stream of linking part is provided with the example of stage portion, but the present invention is not limited thereto.These 2 part both sides that such as also can link at the stream of the recess of cooling fan installation portion and linking part arrange stage portion.
In addition, in above-mentioned 1st ~ 3rd execution mode, the example of the width in the direction intersected with the axis of motor part that the width in the direction (X-direction, Y-direction) intersected with the axis (Z-direction) of motor part describing cooling fan installation portion is configured to be greater than motor installation portion, but the present invention is not limited thereto.The width in the direction intersected with the axis of motor part that the width in the direction (X-direction, Y-direction) intersected with the axis (Z-direction) of motor part that such as also can make cooling fan installation portion equals motor installation portion.
In addition, in above-mentioned 1st ~ 3rd execution mode, describe and observe from arrow Z1 direction the example that motor part is formed as rectangular shape (quadrilateral shape), but the present invention is not limited thereto.Such as also can carry out chamfering to four of the motor part of a quadrilateral shape bight.
In addition, in above-mentioned 1st ~ 3rd execution mode, describe and observe from arrow Z1 direction the example that the cooling channel being located at motor part is formed as general triangular shape, but the present invention is not limited thereto.In the present invention, the cooling channel being located at motor part also can be formed as the shape be viewed as from arrow Z1 direction except general triangular shape.
Claims (12)
1. an electric rotating machine air conduit, is characterized in that,
This electric rotating machine air conduit possesses:
Electric rotating machine installation portion, described electric rotating machine installation portion is installed on electric rotating machine, this electric rotating machine is provided with multiple cooling channel vertically and from end on observation shape in the form of a substantially rectangular, described electric rotating machine installation portion comprises the 1st stream linked with the cooling channel of described electric rotating machine;
Linking part, described linking part comprises the 2nd stream, and described 1st stream of the 2nd stream and described electric rotating machine installation portion links and is formed as extending vertically; And
Cooling fan installation portion, described 2nd stream of described cooling fan installation portion and described linking part links, and for installing cooling fan,
From the end on observation of described electric rotating machine, described 2nd stream of described linking part is arranged to, and in the mode corresponding with described multiple cooling channel, extends near the other end near an end on the limit of the electric rotating machine of described rectangular shape,
Described cooling fan installation portion is included in the 2nd recess that the side for installing described cooling fan is arranged,
In the part linked with described 2nd stream of described 2nd recess, to be provided with the 3rd recess with described 2nd recess continuous print mode, the boundary portion between the side and described 2nd recess of the central authorities by described cooling fan installation portion of described 3rd recess is provided with stage portion.
2. electric rotating machine air conduit according to claim 1, wherein,
The described cooling channel of described electric rotating machine is located at 4 adjacent corner of the electric rotating machine of described rectangular shape respectively,
Described linking part comprises multiple linking part,
From the end on observation of described electric rotating machine, described multiple linking part the 2nd stream is separately arranged to, and 2 the opposite limits along the electric rotating machine of described rectangular shape extend near the other end near an end.
3. electric rotating machine air conduit according to claim 1 and 2, wherein,
From the end on observation of described electric rotating machine, it is overlapping at least partially that described 2nd stream of described linking part is arranged to the described cooling channel being located at described electric rotating machine.
4. electric rotating machine air conduit according to claim 3, wherein,
From the end on observation of described electric rotating machine, described 2nd stream of described linking part is arranged to, with described multiple cooling channel separately overlapping at least partially under the state being across the described multiple cooling channel being located at described electric rotating machine.
5. electric rotating machine air conduit according to claim 1 and 2, wherein,
Described electric rotating machine installation portion comprises: the 1st recess, and described 1st recess is located at described electric rotating pusher side; And through hole, described through hole is located at the bottom of described 1st recess, and described through hole is used for inserting for an end of described electric rotating machine and exposing,
Described 1st stream of described electric rotating machine installation portion is configured to: described 1st stream comprises the space of ring-type, to be inserted in an end of described electric rotating machine in the described through hole of described electric rotating machine installation portion and under the state exposed, the space of described ring-type is surrounded by the inner surface of the outer surface of an end of described electric rotating machine and described 1st recess of described electric rotating machine installation portion, the air at least partially of coming is moved vertically in the described cooling channel of described electric rotating machine, using after the axle of described electric rotating machine is moved as the mode that center carries out rotating in the 1st stream of described ring-type, flow in described 2nd stream of described linking part.
6. electric rotating machine air conduit according to claim 5, wherein,
Described 2nd stream of described linking part is configured to: from the end on observation of described electric rotating machine, described 2nd stream is arranged to overlapping partly with the 1st stream of the described ring-type of described electric rotating machine installation portion, in the described cooling channel of described electric rotating machine, mobile next portion of air is fed directly to described 2nd stream from the 1st stream of described ring-type vertically, and, remaining air using after being moved as the mode that center carries out rotating by the axle of described electric rotating machine, flow into described 2nd stream in the 1st stream of described ring-type.
7. electric rotating machine air conduit according to claim 1 and 2, wherein,
Described cooling fan installation portion is configured to: the width in the direction intersected with the axis of described electric rotating machine that the width in the direction intersected with the axis of described electric rotating machine of described cooling fan installation portion is greater than described electric rotating machine installation portion,
Described cooling fan installation portion is configured to: a side of described cooling fan installation portion is given prominence to laterally from a side of described electric rotating machine installation portion.
8. electric rotating machine air conduit according to claim 1 and 2, wherein,
Described linking part also comprises peristome, and described peristome is arranged to link for sucking extraneous air with described 2nd stream.
9. a rotary motor unit, is characterized in that,
Described rotary motor unit possesses:
Electric rotating machine, described electric rotating machine is provided with multiple 1st cooling channel and vertically from end on observation shape in the form of a substantially rectangular; With
Electric rotating machine air conduit, described electric rotating machine air conduit is installed on described electric rotating machine,
Described electric rotating machine air conduit comprises:
Electric rotating machine installation portion, described electric rotating machine installation portion is installed on described electric rotating machine, and has the 1st stream linked with described 1st cooling channel of described electric rotating machine;
Linking part, described linking part has the 2nd stream, and described 1st stream of the 2nd stream and described electric rotating machine installation portion links and is formed as extending vertically; And
Cooling fan installation portion, described 2nd stream of described cooling fan installation portion and described linking part links, and for installing cooling fan,
From the end on observation of described electric rotating machine, described 2nd stream of described linking part is arranged to, and in the mode corresponding with described multiple cooling channel, extends near the other end near an end on the limit of the electric rotating machine of described rectangular shape,
Described cooling fan installation portion is included in the 2nd recess that the side for installing described cooling fan is arranged,
In the part linked with described 2nd stream of described 2nd recess, to be provided with the 3rd recess with described 2nd recess continuous print mode, the boundary portion between the side and described 2nd recess of the central authorities by described cooling fan installation portion of described 3rd recess is provided with stage portion.
10. rotary motor unit according to claim 9, wherein,
Described electric rotating machine installation portion comprises: the 1st recess, and described 1st recess is located at described electric rotating pusher side; And through hole, described through hole is located at the bottom of described 1st recess, and described through hole is used for inserting for an end of described electric rotating machine and exposing,
Described 1st stream of described electric rotating machine installation portion comprises the space of ring-type, to be inserted in an end of described electric rotating machine in the described through hole of described electric rotating machine installation portion and under the state exposed, the space of described ring-type is surrounded by the inner surface of the outer surface of an end of described electric rotating machine and described 1st recess of described electric rotating machine installation portion
Be provided with the 1st fin in an end of described electric rotating machine, be inserted in an end of described electric rotating machine in the described through hole of described electric rotating machine installation portion and under the state exposed, the 1st fin exposes to the 1st stream of described ring-type.
11. rotary motor units according to claim 9 or 10, wherein,
Described rotary motor unit also possesses extraneous air introduction part, described extraneous air introduction part is configured between described electric rotating machine and described electric rotating machine air conduit, described extraneous air introduction part comprises the 2nd cooling channel, 1st stream of the 1st cooling channel of described electric rotating machine and the described electric rotating machine installation portion of described electric rotating machine air conduit links by described 2nd cooling channel, and described 2nd cooling channel is provided with the hole portion for sucking extraneous air.
12. rotary motor units according to claim 11, wherein,
The 2nd fin for cooling described electric rotating machine is provided with in described 2nd cooling channel of described extraneous air introduction part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011058084A JP5429216B2 (en) | 2011-03-16 | 2011-03-16 | Rotating electrical machine air duct and rotating electrical machine unit |
| JP2011-058084 | 2011-03-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102684393A CN102684393A (en) | 2012-09-19 |
| CN102684393B true CN102684393B (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210069451.1A Active CN102684393B (en) | 2011-03-16 | 2012-03-15 | Air duct for rotating electric machine and rotating electric machine unit |
Country Status (2)
| Country | Link |
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| JP (1) | JP5429216B2 (en) |
| CN (1) | CN102684393B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6208652B2 (en) | 2014-12-09 | 2017-10-04 | ファナック株式会社 | Motor cooling mechanism with fan |
| JP6916623B2 (en) * | 2017-01-30 | 2021-08-11 | 株式会社荏原製作所 | Motor mounting bracket, motor mounting structure, board processing device |
| JP6474441B2 (en) * | 2017-03-10 | 2019-02-27 | ファナック株式会社 | Electric motors and machine tools |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101443553A (en) * | 2006-05-16 | 2009-05-27 | 康奈可关精株式会社 | Motor-driven compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003009466A (en) * | 2001-06-20 | 2003-01-10 | Yaskawa Electric Corp | Air-cooled motor |
| JP3650613B2 (en) * | 2002-08-23 | 2005-05-25 | ファナック株式会社 | Air-cooled electric motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101443553A (en) * | 2006-05-16 | 2009-05-27 | 康奈可关精株式会社 | Motor-driven compressor |
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| Title |
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| JP特开2003-9466A 2003.01.10 * |
| JP特开2004-88850A 2004.03.18 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5429216B2 (en) | 2014-02-26 |
| JP2012196051A (en) | 2012-10-11 |
| CN102684393A (en) | 2012-09-19 |
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