CN204858874U - Motor with cooling component - Google Patents
Motor with cooling component Download PDFInfo
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- CN204858874U CN204858874U CN201420815151.8U CN201420815151U CN204858874U CN 204858874 U CN204858874 U CN 204858874U CN 201420815151 U CN201420815151 U CN 201420815151U CN 204858874 U CN204858874 U CN 204858874U
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- flank
- passage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
Abstract
The utility model relates to a have motor (10) of cooling component (14), it includes casing (17, 16, 18), the casing has: be used for fluid passage (20) of guide cooling liquid stream, it is prescribed a limit to through at least one first passageway face (33) with second channel face (54) that first passageway facial features is right, and be used for carrying input port (22) of coolant liquid and be used for discharging delivery outlet (26) of coolant liquid, in fluid passage (20) construct at least one component (32 that flows on one of passageway face (33), 34, 36 ), fluid passage (20) have input area section (38) of being distributed to input port (22) and are distributed to output area section (42) of delivery outlet (26) and arrange intermediate zone section (40) between input area section (38) and output area section (42), wherein, at least one component (32 that flows, 34, 36 )The setting is in input area section (38) or output area section (42). So that the cooling liquid stream deflects.
Description
Technical field
The utility model relates to a kind of motor with cooling element, it comprises housing, described housing has the fluid passage for guiding cooling fluid stream, described fluid passage is limited by least one first passage face and the second channel face relative with first passage face, and described housing has for carrying the input port of cooling fluid and the delivery outlet for discharging cooling fluid, wherein, one of described surface channel in described fluid passage constructs at least one flow element, and wherein, described fluid passage has the inflow section being assigned to described input port and the output section being assigned to described delivery outlet and the centre portion be arranged between described inflow section and described output section.
Background technology
A kind of motor with cooling element for cooling fluid is disclosed in document WO2005/078900A1.This cooling element is made up of hollow cylinder and sleeve pipe.The channel system being configured with input port, delivery outlet and being made up of multiple fin within hollow cylinder.At this, the separate structure of turning up the soil of these passages, the cooling fluid stream therefore within contiguous passage is independent of each other.At this, the flowing velocity of different passage and heat dissipation capacity are also substantially different from each other.In addition, may occur fixed eddy current or recirculation in large area in a kind of inflow section constructed like this, it causes local excessive to heat owing to lacking cooling fluid exchange.
Utility model content
Therefore target of the present utility model is, provides the motor with cooling element, and cooling fluid equably and travel forward with high degree of mixing and can avoid fixed eddy current or recirculation wherein.
Above-mentioned target realizes by means of a kind of motor with cooling element, it comprises housing, described housing has the fluid passage for guiding cooling fluid stream, described fluid passage is limited by least one first passage face and the second channel face relative with first passage face, and described housing has for carrying the input port of cooling fluid and the delivery outlet for discharging cooling fluid, wherein, one of described surface channel in described fluid passage constructs at least one flow element, and wherein, described fluid passage has the inflow section being assigned to described input port and the output section being assigned to described delivery outlet and the centre portion be arranged between described inflow section and described output section, it is characterized in that, at least one flow element is arranged in described inflow section or described output section, deflect to make cooling fluid stream.Describe hereinafter Advantageous embodiments of the present utility model.
According to the utility model, giving chapter and verse has with inflow section and the motor of cooling element exporting section described in beginning, and wherein, within cooling element, at least one flow element is arranged on inflow section or exports in section, to make cooling fluid diversion.
Cooling fluid flows in flow channel from input port, and wherein, first cooling fluid spreads and mix completely within the inflow section of fluid passage.Before cooling fluid is flowed out again by delivery outlet from fluid passage, cooling fluid percolation crosses output section, and in this output section, channel cross-section is reduced to the size of delivery outlet.At inflow section with export between section and be configured with centre portion in addition, wherein, this centre portion can with inflow section and/or to export section overlapping.
Flow element is mostly configured to rising portions within fluid passage, and it is projection from one of them surface channel.Such flow element is arranged within cooling fluid stream such as, to affect this cooling fluid stream, make this cooling fluid diversion, produce eddy current or guide cooling fluid stream.Below, flow element is also shown as or is called flank, guiding flank or circumferential flank, and wherein, these appellations are not restrictive.Below be called as flank, guide flank or the element of circumferential flank, particularly flow element in shape can free structure and be not limited to microscler shape at it, however, flow element, namely the microscler shape of flank, guiding flank or circumferential flank turns out to be favourable mostly.Therefore the following execution mode of flank, guiding flank or circumferential flank also can be applicable to flow element with generalizing.
According to a kind of favourable execution mode, at least one flow element within described inflow section or described output section is configured to guide flank.
Be configured in the flow element in inflow section or guide flank cause turning to of cooling fluid stream and be uniformly distributed, thus, the whole cross section of cooling duct realizing uniform coolant flow or fluid flowing.In addition, by cooling fluid or fluid in flow element or guide turning to and by flow element or the circulation guiding flank, significantly improving the mixing completely of cooling fluid of flank place.In addition, the mixing completely of improvement improves heat transfer coefficient or to the heat transfer speed in cooling fluid.
So particularly when cooling fluid is introduced in cooling element transverse to the percolation direction of reality, particularly when fluid passage relatively broadly has very little height, it is favourable that one or more such flow element or guiding rib portion are positioned on inflow section.This reason is, first cooling fluid stream carry out the motion of straight line substantially, until its break the barriers, such as surface channel or flow element or guide flank to turn to.If fluid passage does not have flow element or guide flank and the percolation directional structure vectorical structure of cooling duct transversely in the input direction of cooling fluid, then first fluid to bump against in the surface channel relative with input port and moves along this surface channel before and then there is uniform flowing in the fluid passage.Thus, most of cooling fluid flows through around between the vortex be arranged near side, input port and input port.Form recirculation and fixed eddy current between this vortex and only exchange cooling fluid rarely, thus, Fast Heating cooling fluid.Therefore advantageously, whole fluid passage produces uniform cooling fluid stream, particularly near input port.
In addition, the even outflow of the one or more guiding flanks within section for cooling fluid is being exported.Can be transferred to equally with the following explanation to inflow section above and export on section.For possessive construction to be arranged on inflow section or within structure, such as guide flank all applicable.
If guiding rib cage structure is within inflow section and within output section, then the quantity of flank density or the guiding flank within output section is guided to be less than the quantity of the guiding flank within inflow section.Particularly when the guiding flank within inflow section is for uniform and on channel cross-section during equally distributed cooling fluid stream, be this situation.In addition, cooling cross section reduces towards delivery outlet, and therefore cooling fluid is essentially no flows out intrusively.However, the outflow of the guiding flank within section for improvement of cooling fluid is being exported.Also will make an explanation in more detail below described guiding flank density.
In a favourable enforcement flexible program, observe in cross-section, it is larger than highly that fluid passage is preferably configured to width.At this, surface, fluid passage is formed by multiple surface channel.Input port and delivery outlet are preferably configured in identical surface channel at this, and wherein, the height of fluid passage or the width of limit fluid passage are shown this surface channel mostly and the surface channel of therefore preferably adjacent than it formation width is shorter.Flank and to also have in the surface channel that guides flank to be therefore preferably configured in represent the width of fluid passage and the height of limit fluid passage and in height to extend or outstanding from relevant surface channel.This surface channel is especially called as first passage face, second channel face etc.
In possible enforcement variant, guide flank can be configured in the first passage face of described fluid passage or second channel face or other surface channel and stretch in described fluid passage, wherein, guiding flank to have distance with relative surface channel.
Owing to guiding the distance between flank and relative surface channel, cooling fluid can between guiding flank and surface channel percolation or flow through guiding flank.Make the part deflection of cooling fluid by this shape of guiding flank and another part of cooling fluid flows through guiding flank, thus, coolant distribution is within fluid passage.Therefore this is such situation, that is, the cooling fluid of inflow is according to guiding the structural form of flank, deflects, the diffusion of mixing and cooling fluid stream thus completely.
In addition, be favourable with the distance in relative face, because the guiding flank formed continuously from first passage face to second channel face by fluid passage can not realize so mixing completely and distributing of cooling fluid.If this distance is only configured to gap, so the speed of cooling fluid acutely reduces in the gap, and cooling fluid is rapidly heated at this thus.In addition, also other advantage of this distance and more detailed execution mode will be explained below.
In addition propose, guide flank be at least partially disposed in inflow section or inflow section subregion in, this subregion has larger height relative to the channel height of centre portion, wherein, by the given channel height of the distance between first passage face and relative surface channel.
By fluid passage within inflow section or height within the subregion (hereinafter referred to as recessed region) of inflow section increase, achieve particularly and construct relative to the guiding flank outside this recessed region the guide surface guiding flank larger.Thus, can further improve near input port, particularly guide flank on the impact of cooling fluid stream.Thus, the Uniform Flow walking upwards to achieve cooling fluid in whole fluid passage and between the vortex mentioned before particularly avoiding.At this, flank is guided fully or also can be only partly arranged within recessed region.
In addition advantageously, input port and delivery outlet are configured in surface channel, make cooling fluid be introduced into transverse to the percolation direction of cooling duct and derive, and wherein, cooling fluid clashes into the guide surface guiding flank, exactly guide flank.
Aptly, at inflow section or at output section place, the normal of the guide surface of flank is guided to form a guiding angle for acute angle relative to the direction of cooling fluid stream.
At this, the direction of cooling fluid stream is made a reservation for by the direction of motion of cooling fluid at input port place.In addition, guide surface is the such face guiding flank, that is, cooling fluid clashes into this face between its moving period.At this, the shape of guide surface or flank be configured in a top view flat, that reverse, be provided with bending or shaping in any other manner.At this, cooling fluid stream is particularly subject to guide surface shape and guides the impact of angle.
Particularly advantageously, represent and guide flank that cooling fluid diversion and the guiding flank density of ability that mixes completely are reduced along with the increase of distance in inflow section or in output section from input port or delivery outlet.
Guide flank density to be determined by multiple factor and by this way for guiding flank to make cooling fluid mix completely, the ability that is uniformly distributed and turns to and the ability that guides flank to produce wide and uniform cooling fluid stream provide a kind of value.Especially guide the size of the quantity of flank, relevant guide surface, guide surface relative to the angle of cooling fluid stream and guide the shape of flank and the arrangement of multiple guide surface to affect the value guiding flank density each other.Such as guide the increase of flank area to improve and guide flank density.
Another solution according to target of the present utility model is provided by a kind of motor with cooling element, it comprises housing, described housing has the fluid passage for guiding cooling fluid stream, described fluid passage is limited by least one first passage face and the second channel face relative with first passage face, and described housing has for carrying the input port of cooling fluid and the delivery outlet for discharging cooling fluid, wherein, one of described surface channel in described fluid passage constructs at least one flow element, and wherein, described fluid passage has the inflow section being assigned to described input port and the output section being assigned to described delivery outlet and the centre portion be arranged between described inflow section and described output section, it is characterized in that, separation section is configured with between described inflow section and described output section, wherein, side, described input port is configured with at least one profile seamed edge for cooling fluid on described separation section.
According to the utility model, be configured in inflow section and the separation section exported between section and there is at least one profile seamed edge for cooling fluid on side, input port.
If fluid passage is configured to make input port and delivery outlet is close to each other or neighboringly construct, then this separation section prevents cooling fluid directly to flow to delivery outlet from input port.Therefore, cooling fluid is forced complete percolation fluid passage.
Such as, profile seamed edge is separating section place by the formal construction of protuberance, and it stretches in inflow section.This profile seamed edge forms guide surface and contoured surface at separation section place.At this, cooling fluid is introduced into by input port and flows along separation section and guide surface.Transition part place between guide surface and contoured surface and streamwise are after this transition part, and cooling fluid produces eddy current and flows through profile seamed edge backward.Can take away the eddy current after profile seamed edge by the cooling fluid flowed subsequently, thus, cooling fluid mixes completely well and and then continues flowing equably.The transition part stretching into the profile seamed edge in coolant flow is configured to point as far as possible at this.In addition, the angle between guide surface and contoured surface is configured to acute angle as far as possible.In addition can be advantageously, the transition part between guide surface and contoured surface is configured to point or rounding.
Aptly, at least one explanation in detail above guides flank to be assigned to profile seamed edge and directed at this place.By making guiding flank and profile seamed edge correspondingly match each other, cooperative effect can be produced.At this, particularly advantageously, guide the face of flank to be arranged to be arranged essentially parallel to guidance field, guide flank to engage below with profile seamed edge along coolant flow direction, or guiding flank is arranged in guidance field or in the contour area of profile seamed edge.At this, guidance field and contour area are formed by a part for input area, and wherein, spatially guidance field is assigned to guide surface and contour area is assigned to contoured surface.
Particularly advantageously, separate section and there is multiple profile seamed edge.In addition, along the profile seamed edge that the flow direction of cooling fluid is arranged after a while, there is between guide surface and contoured surface comparatively blunt angle and/or the transition part between guide surface and contoured surface is configured to more blunt.In addition advantageously, profile seamed edge is evenly distributed in and separates on section.
The 3rd solution according to target of the present utility model is provided by a kind of motor with cooling element, it comprises housing, described housing has the fluid passage for guiding cooling fluid stream, described fluid passage is limited by least one first passage face and the second channel face relative with first passage face, and described housing has for carrying the input port of cooling fluid and the delivery outlet for discharging cooling fluid, wherein, one of described surface channel in described fluid passage constructs at least one flow element, and wherein, described fluid passage has the inflow section being assigned to described input port and the output section being assigned to described delivery outlet and the centre portion be arranged between described inflow section and described output section, it is characterized in that, at least one flow element described to be configured on the first passage face of described fluid passage or second channel face and to stretch in described fluid passage, wherein, described flow element has distance relative to relative surface channel.
According to the utility model, propose a kind of motor, wherein, the surface channel that at least one flow element is configured in fluid passage stretches in fluid passage, and wherein, flow element has distance relative to relative surface channel.
In addition, flow element also can be configured to flank.
Fluid passage can be divided into multiple passage portion by this flow element or flank, wherein, these passage portion are arranged between flow element or flank.Therefore a passage portion is formed by the space between two adjacent flow element or flank.Cooling fluid stream can be divided into multiple less shunting thus.But each shunting effectively connects mutually at this.At this, this effectively connects by producing in flow element or the distance between flank and relative surface channel, wherein, below flow element or the space between flank and relative surface channel, is called as connecting path.The width of passage portion extends in the space of this restriction eddy current, and wherein, the connecting path between the adjacent cooling fluid stream of adjacent passage portion is set up and effectively connected, and it makes adjacent cooling fluid mobile equilibrium.Eddy current within various piece passage is taken away by total flowing thus.Therefore, eddy current travels forward along with always flowing and guarantees high complete degree of mixing.In addition achieve large channel cross-section by connecting path, it achieves high cooling fluid volume flow.Another advantage of flow element structure or rib formations is the area of the increase of fluid passage, which raises the heat trnasfer in cooling fluid.
Aptly, so design at flow element or the distance between flank and relative surface channel, cooling fluid is substantially had within connecting path and flows identical flowing velocity with part.If select this distance too smallly, then relatively high the and cooling fluid of flow resistance is acutely heated due to flowing velocity less within connecting path.Low extreme value as distance can propose about 0.5mm, and wherein, the distance of 1.5mm has turned out to be particularly advantageous.Higher extreme value can not be determined, because the formation of distance is relevant to the concrete structural form of cooling duct all the time at this.But the setting of favourable value does not play restricted effect for object of the present utility model.Thus, this distance is not limited to described value.This is equally applicable to the above guiding flank explained.
If construct multiple flank within circulation passage, then different flanks also can be arranged in different surface channel, particularly in first passage face with on relative second channel face, wherein, the flank in first passage face can join to second or other surface channel flank space in, vice versa.
At this particularly advantageously, described flank is configured to nothing interruption in centre portion on the direction of cooling fluid stream.Flank is configured in centre portion continuously.By this uniform structure in the whole length of fluid passage, can realize substantially on the whole cross section of passage evenly cooling fluid stream.
See in cross-section, flank can have triangular shaped, rectangular shape, square shape, trapezoidal shape, semicircular in shape or other geometry.In addition, different shapes can be configured to cusped edge, dihedral, chamfering, rounding or other form.Multiple flank if be arranged side by side, so these flanks combine with its space and see also have sinusoidal shape in cross-section.
In order to realize cooling fluid flux high as far as possible, propose, the percolation direction that the flank constructed generally parallel, is particularly parallel to passage microsclerly extends, and namely described flank extends substantially on the percolation direction of described fluid passage.In addition, can be arranged side by side multiple flank, and wherein, these flanks are preferably configured to parallel to each other.
Turned out to be and had plenty of, one of at least two flanks being assigned to input port are arranged relative to the skew of other flank on the flow direction of cooling fluid.Special desirably at this, to offset backward along percolation direction relative to the flank that input port has larger distance and be configured to shorter.If construct multiple flank within fluid passage, so it can form skew different from each other or shortening, and wherein, skew or shortening are advantageously increasing along with the distance relative to input port increases.
By the flank shortened, in the region of inflow section, produce the channel cross-section of increase, in the channel cross-section of this increase, there is less flowing velocity.This throttling to flowing velocity be configured in separate on section between input part and efferent, set up the bypass be directly connected combined, can be favourable.Such as, affect cooling fluid stream by bypass thus, or reduce or avoid the recirculation in the by-pass area being assigned to bypass inlet.
Turned out to be advantageously, one of at least two flanks being assigned to delivery outlet are arranged along the flow direction of cooling fluid relative to the skew of other flank.At this, particularly desirably, larger apart from the distance of delivery outlet flank is configured to biased forwards in the flowing direction or is configured to shorter.If construct multiple flank within fluid passage, these flanks also can form skew different from each other or shortening, and wherein, this skew or shortening are advantageously increasing along with the distance relative to delivery outlet increases.
The explanation that flank on the input side shortens also is applicable on the output side.The even outflow of cooling fluid particularly can be realized by this shortening.Equally, can reduce within the by-pass area of outlet side or avoid recirculation and realize the even outflow of cooling fluid.
In another embodiment variant, flank can at least extend on the half height of passage.The height of flank defines connecting path and have impact on the connection degree of various piece passage thus.Thereby, it is possible to obviously reduce the region that can form eddy current.
Aptly, one in flank can be configured in multiple surface channel, and wherein, surface channel is adjacent to each other.
In addition advantageously, what flank was configured in fluid passage introduces in the surface channel of relatively arranging side with heat.At this, heat is introduced and is produced primarily of motor, particularly produced by stator.
In addition advantageously, fluid passage has the width identical with the laminated core of motor substantially.In addition, cooling element can be arranged in the stator of motor laminated core on and be configured to stator cooler thus.
In another embodiment variant, at least one flank in first passage face can be configured with heat bridge, this heat bridge and second channel face are in thermal conductive contact.
Especially, when being incorporated on cooling element by heat in the surface channel relative with flank, such heat bridge is favourable.By the heat bridge of slab such as can be configured to, can effectively conduct the heat in multiple flank.Therefore, heat is distributed on whole cooling element equably, and thus, the whole surface of cooling duct all can be used for transferring heat in cooling fluid.At this, heat bridge is advantageously only formed in a part for flank length.
This heat bridge can be configured to according to flow optimized, such as, have wing, the ship shape of carrying or fish shape shape by it.In addition, one or more flank can construct multiple heat bridge, wherein, the heat bridge on flank preferably distributes equably on through-flow direction.
In addition turn out to be advantageously, described flank and the space between two adjacent flanks or passage portion have substantially the same width.That is, the width of flank and the width of passage portion are configured to almost same large.But multiple flank or passage portion also can have width different from each other, it is at random distributed within fluid passage.
In a Variant Design scheme, the casing structure forming the cooling element of fluid passage becomes single-piece or multi-piece type.The housing of single-piece such as realizes by the foundry goods of the demoulding, and the mould of this foundry goods is taken out after the casting or washes out.In the flexible program of two-piece type, such as, can manufacture inner part and exterior part independently, wherein, and then such as be threaded connection, weld, suppress or other technique makes two part bonding together and is interconnected, and seal.The additional sealing of passage is only necessary and such as realizes by rubber seal in certain connection procedure.
It should be noted, be called as guiding flank at inflow section and the flank exported on section, and in accompanying drawing describes, the flank be arranged within centre portion is called as circumferential flank.The execution mode of flank illustrates in a summarizing manner at this and also can be transferred to and guides on flank and circumferential flank.In addition, in principle it is possible that will the particular embodiment of flank and circumferential flank be guided to be commonly used to all flanks or flow element.In addition it is possible that at least one flank is arranged in centre portion and in inflow section and/or export in section.Flank and guide flank correspondingly can be configured to single-piece or one.
Such as, the possible alloy for the cooling element cast can be sand casting alloy, such as AlSi7Mg0.3 or wrought alloy ENAW-6082T6.Multi-piece type manufacture cooling element time, the material that different parts use can be completely different from each other.
Accompanying drawing explanation
Exemplarily explain the utility model with reference to the accompanying drawings below.
Wherein:
Fig. 1 show in cross section the stator of the motor with cooling element;
Fig. 2 shows the end view of the interior cooling body of the cooling element in Fig. 1;
Fig. 3 shows the stereogram of the interior cooling body in Fig. 2.
Embodiment
Show in cross section the stator 8 of motor 10 in FIG.This stator 8 comprises laminated core 12, and it has again yoke 11 and tooth 13.In this case, tooth is radially arranged in outside the yoke region of laminated core in other words 12 outside yoke 11, and wherein, tooth is wound around by coil (not shown at this).In addition, laminated core 12 is radially arranged in outside cooling element 14, and cooling element 14 has again outer cooling body 16 and interior cooling body 18.At this, the yoke 11 of laminated core 12 directly and cooling element 14, particularly with outer cooling body 16 thermo-contact.At this, outer cooling body 16 is configured to sleeve-shaped and is radially outward arranged on interior cooling body 18.Cooling element 14 forms fluid passage 20 between interior cooling body 16 and outer cooling body 18, and this cooling duct to be cooled liquid percolation at motor 10 run duration.In order to avoid the coolant loss within passage, interior cooling body 18 and outer cooling body 16 are sealed, in this case, by common abutting contact position welded seal.Motor 10 independently otherwise can construct with this execution mode, such as, be configured to inner rotor motor but not external rotor electric machine.Outer cooling body 16 and interior cooling body 18 form the housing 17 of cooling element 14 at this.
Also illustrate in figs. 2 and 3, interior cooling body 18 has input port 22 and delivery outlet 26, and it is for importing and deriving cooling fluid.Can be connected in this unshowned intake line and output pipe at input part 22 and efferent 26 place, it is connected with fluid passage 20 hermetically by the potted component be inserted in groove in this case.In addition, input port 22 and delivery outlet 26 are configured on interior cooling element 18 in mode close to each other or contiguous in the circumferential, and wherein, interior cooling body 18 is formed between input port 22 and delivery outlet 26 separates section 30.This separation section 30 made cooling fluid fully circulation in fluid passage 20 before being flowed out by delivery outlet 26 in cooling fluid.Cooling fluid stream points to axial input direction E at this at input port 22 place, circumferential U is diverted from axial direction within inflow section 38, circumferentially U flows through centre portion 40, in output section 42, be diverted axial outbound course A from circumferential U, and in axial direction flowed out from fluid passage 20 by delivery outlet 26.
In order to pro affect cooling fluid stream within fluid passage 20, particularly avoid recirculation and obtain uniform, the equally distributed and cooling fluid stream mixed completely, construct multiple flank 32,34,36 at interior cooling body 18 place, it is raised from surface channel 33 towards radially outer and forms the spacing (see Fig. 2) relative to outer cooling body 16.Reference numeral 34 and 36 points to each grouping of all flanks 32, and these groupings are arranged according to it and structural scheme has different functions.Flank 34 or part flank 34 are used as to guide flank 34, and wherein, these guide flank 34 be arranged within inflow section 38 in particular and export within section 42.Except guiding flank 34, in centre portion 40, be configured with circumferential flank, it guides cooling fluid in particular.At this, flank 32 is seen in a top view and is configured to microscler and sees in cross-section and be configured to trapezoidal, and wherein, seamed edge is rounded.In this embodiment, flank 32 is described flow element 32.
At this, inflow section 38 by input port 22, separate section 30, the surface channel relative with input port or conduit wall and substantially limited by the top of the circumferential flank 36 of centre portion 40.This correspondingly can transfer to and export on section 42.At this, this centre portion 40 is particularly arranged in inflow section 38 and exports between section 42, wherein, different sections, particularly can to intersect on circumferential U.
As can obtained from above-mentioned explanation, flank 32 is configured to circumferential flank 36 and/or guides flank 34, or guide flank 34 and circumferential flank 36 to be configured to single-piece or one.
Can find out in fig. 2, the guiding flank 34 of inflow section 38 is arranged relative to the flow direction (input flow direction) of cooling fluid at input port 22 place pointing to axial direction.The normal N of the guide surface 35 of flank 34 is guided to be configured to acutangulate η relative to the input flow direction E of axis at this.A part for cooling fluid is diverted on guiding flank 34 at this, and wherein, another part flows through and guides flank 34.Thus, the change of mixing and the flow direction completely of cooling fluid is achieved.Can find out, guide flank 34 be configured to substantially microscler in a top view and have straight shape.But, guide flank 34 be also embodied as bending, that reverse in principle or be provided with bending.
In addition, fluid passage 20 has recessed region 39 in the subregion of inflow section 38.Within recessed region 39, fluid passage 20 is relative to remaining fluid passage 20, particularly expansion or recessed in radial directions in centre portion 40.Can find out in figure 3, the guide surface 35 of the guiding flank 34 within recessed region 39 is greater than the guide surface 35 of the guiding flank outside recessed region 39.Thus, the above-mentioned effect guiding flank 34 is again enhanced.To guide in flank 34 several is only partly arranged in recessed region 39.
At this, guide flank 34 particularly so to construct, make the input direction E of cooling fluid stream from axis within inflow section 38 turn to circumferential U, and on the whole width of fluid passage 20, realize uniform cooling fluid stream as far as possible at this.By cooling fluid stream uniform on whole fluid passage 20, particularly can reduce or avoid recirculation.Because such recirculation particularly occurs relative to input port 22 in passage 20 near input port 22 and on circumferential U with offseting, so directly very high and guide flank density to reduce along with the increase of distance in the guiding flank density at input port 22 place.At this, guide flank density particularly to show and guided flank 34 to produce uniformly and the ability of the cooling fluid stream mixed completely well.As already explained, the guiding quantity of flank 34 and the size of guide surface is in particular improved at this.In addition, flank 34 and circumferential flank 36 is guided to be configured to one.
The execution mode of the guiding flank 34 in inflow section 38 also substantially can be transferred at this and export on section 42, and it forms recessed region 43 equally.Because the outflow of cooling fluid is substantially comparatively inessential, so construct less guiding flank 34 in the internal ratio exporting section 42 within inflow section 38.This is particularly associated with following, that is, flowing in the circumferential equably distribution and flow cross section reduce towards efferent 26 instead of increase as from input part 22.Therefore, in output section 42, flank density is guided to be less than in inflow section 38.
Being arranged parallel to each other around flank 36 and pointing to circumferential U in centre portion 40.At this, two adjacent around flank 36 between be configured with space or passage portion 50, its width is almost equivalent to the width around flank 36.In addition, all-in-one-piece is constructed around flank 36 and the surface channel 52 limiting fluid passage 20 in the axial direction.Only can also there is recirculation in very little local eddy currents interval by this rib formations, substantially be restricted between this vortex on the width of passage portion 50.
In addition, various piece passage 50 effectively connects (see Fig. 1) mutually by the connecting path 51 be configured between circumferential flank 36 and relative surface channel 54.Due to the effective connection between adjacent passage portion 50, appear at the uniform coolant flow on circumferential U within fluid passage 20, it takes away the recirculation of local.
As found out in fig. 2, it is different that circumferential flank 36 is configured to length on circumferential U on input part 22 side, and wherein, the circumferential flank 36 more away from input port 22 is shorter, offsets backward in other words on circumferential U.Delivery outlet 26 side can obtain the similar structural scheme of circumferential flank 36.But the quantity of circumferential flank 36 of shortening, the length of shortening and the relativity shift between adjacent circumferential flank 36 are different.Thus, at inflow section 38 and the turbulent flow much less of cooling fluid stream exporting section 42 place, and the even outflow of cooling fluid is realized.
As has already been discussed, separate section 30 to be arranged between input port 22 and delivery outlet 26.In principle, input port 22 can directly or also can be transitioned in separation section 30 without step.Thus, the cooling fluid of inflow can directly continue directed at separation section face 31 place of separating section 30.Also delivery outlet 26 place is applicable to accordingly.Thus, the accessible outflow of cooling fluid is achieved.In this case, section 30 is separated there is the small stair contrary with circumferential U relative to input port 22 and delivery outlet 26 or closely spaced mode is arranged.This such as can be determined by the course of processing.
At this, separate section 30 and formed on input side and outlet side respectively and separate section face 31, it stretches first in the axial direction and has increases along with the distance with input port 22 or delivery outlet 26 and the curvature that increases.This shape separating section 30 achieves and flows into uniformly in input port 22 and delivery outlet 26 place and flow out.
Can find out, on separation section 30, be configured with profile seamed edge 44 at input side.This profile seamed edge 44 lifts from separation section 30 and has guide surface 46 and contoured surface 48 on circumferential U.At this, cooling fluid flows along guide surface 46 and forms eddy current at contoured surface 48 place.At this, first seamed edge 44 place of angle in flowing in the face of profile seamed edge 44 is configured to than more sharp-pointed at the second profile seamed edge 44 place.This profile seamed edge is used for cooling fluid is mixed completely and produces uniform total flowing.
At this, separate section 30 and have bypass 50 in addition, this bypass should derive the heat input in the region of bypass 50.Different measures, that is guides flank, profile seamed edge etc. correspondingly coordinated with each other.At this, particularly it should be noted, be restricted to necessary cooling liquid measure by the through-current capacity of the cooling fluid of bypass 50.
Substantially the cooling element of motor is limited at this execution mode explained.But cooling element has other union end, fixing point or other structure is also completely possible, its union end described, fixing point or other structure can be fixed in other module or other union end described, fixing point or other structure for fixing cooling element.
reference numerals list:
8 stators
10 motors
11 yokes/yoke region
12 laminated cores
13 teeth
14 cooling elements
16 outer cooling bodies
17 housings
Cooling body in 18
20 fluid passages
22 input ports
26 delivery outlets
30 separate section
31 separate section face
32,34,36 flanks, flow element
33 surface channel
34 guide flank
35 guide surfaces
36 circumferential flanks
38 inflow sections
39 recessed regions
40 centre portions
42 export section
43 recessed regions
44 profile seamed edges
46 guide surfaces
48 contoured surfaces
49 bypasses
50 passage portion
51 connecting paths
52 surface channel
54 surface channel
E input direction
U circumference
A outbound course
The direction of N normal/face normal
η angle
Claims (17)
1. one kind has the motor (10) of cooling element (14), and it comprises
-housing (17,16,18),
-described housing (17,16,18) has the fluid passage (20) for guiding cooling fluid stream, described fluid passage is limited by least one first passage face (33) and the second channel face (54) relative with first passage face, and
-described housing (17,16,18) has for carrying the input port of cooling fluid (22) and the delivery outlet (26) for discharging cooling fluid,
-wherein, in one of the described surface channel (33) at least one flow element of upper structure (32,34,36) of described fluid passage (20), and
-wherein, described fluid passage (20) has the inflow section (38) being assigned to described input port (22) and the output section (42) being assigned to described delivery outlet (26) and the centre portion (40) be arranged between described inflow section (38) and described output section (42)
It is characterized in that, at least one flow element (32,34,36) is arranged in described inflow section (38) or described output section (42), deflects to make cooling fluid stream.
2. motor according to claim 1 (10), it is characterized in that, at least one flow element (32,34,36) within described inflow section (38) or described output section (42) is configured to guide flank.
3. motor according to claim 2 (10), it is characterized in that, described guiding rib cage structure is on the first passage face or second channel face of described fluid passage (20) and stretch in described fluid passage (20), wherein, described guiding flank has distance with relative surface channel.
4. motor according to claim 2 (10), it is characterized in that, described guiding flank be at least partially disposed in described inflow section (38) or described inflow section subregion (39) in, described subregion has the height of increase relative to the channel height of centre portion (40), wherein, by the given described channel height of the distance between first passage face and relative surface channel.
5. motor according to claim 2 (10), it is characterized in that, at described inflow section (38) or described output section (42) place, the normal (N) of the guide surface (35) of described guiding flank forms acute angle (η) relative to the direction of cooling fluid stream.
6. motor according to claim 2 (10), it is characterized in that, represent that described guiding flank makes cooling fluid diversion and the guiding flank density of ability that mixes completely from input port (22) or delivery outlet (26), become large along with distance in described inflow section (38) or in described output section (42) and reduce.
7. according to claim 1 preamble or motor according to any one of claim 1 to 6 (10), it is characterized in that, be configured with between described inflow section (38) and described output section (42) and separate section (30), wherein, described input port (22) side is configured with on described separation section (30) at least one profile seamed edge (44) for cooling fluid.
8. motor according to claim 7 (10), is characterized in that, at least one guides flank to be assigned to described profile seamed edge (44) and directed at this place.
9. according to claim 1 preamble or motor according to any one of claim 1 to 6 (10), it is characterized in that, at least one flow element described (32,34,36) be configured in the first passage face (33) of described fluid passage (20) or second channel face (54) upper and stretch in described fluid passage (20), wherein, described flow element (32,34,36) has distance relative to relative surface channel (33,54).
10. motor according to claim 9 (10), is characterized in that, described flow element (32,34,36) is configured to flank.
11. motors according to claim 10 (10), is characterized in that, described flank be configured on the direction of cooling fluid stream in centre portion (40) without interrupt.
12. motors according to claim 10 (10), is characterized in that, described flank extends substantially on the percolation direction of described fluid passage (20).
13. motors according to claim 10 (10), is characterized in that, of being assigned at least two flanks of described input port (22) is arranged relative to the skew of other flank on the flow direction of cooling fluid.
14. motors according to claim 10 (10), is characterized in that, of being assigned at least two flanks of described delivery outlet (26) is arranged relative to the skew of other flank on the flow direction of cooling fluid.
15. motors according to claim 10 (10), is characterized in that, described flank at least extends on the half height of passage.
16. motors according to claim 10 (10), it is characterized in that, at least one flank of described first passage face (33,54) is configured with heat bridge, and this heat bridge and described second channel face (33,54) are in thermal conductive contact.
17. motors according to claim 10 (10), is characterized in that, described flank and the space between two adjacent flanks (50) or passage portion (50) have substantially the same width.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014204816.8 | 2014-03-14 | ||
| DE102014204816.8A DE102014204816A1 (en) | 2014-03-14 | 2014-03-14 | Electric machine with a cooling element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204858874U true CN204858874U (en) | 2015-12-09 |
Family
ID=54010213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420815151.8U Active CN204858874U (en) | 2014-03-14 | 2014-12-19 | Motor with cooling component |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204858874U (en) |
| DE (1) | DE102014204816A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016209644A1 (en) * | 2016-06-02 | 2017-12-07 | Zf Friedrichshafen Ag | Fluid channel arrangement for a cooling device, in particular for a cooling jacket of an electrical machine |
| DE102018207842A1 (en) * | 2018-05-18 | 2019-11-21 | Volkswagen Aktiengesellschaft | A cooling jacket through which a coolant can flow and an electric power or working machine equipped with such a cooling jacket |
| DE102018212654A1 (en) * | 2018-07-30 | 2020-01-30 | Zf Friedrichshafen Ag | Cooling an electrical machine |
| EP3726063B1 (en) * | 2019-04-15 | 2021-11-24 | BorgWarner Inc. | Fluid-cooled electrically driven compressor and stator housing therefor |
| DE102020107234A1 (en) | 2020-03-17 | 2021-09-23 | Seg Automotive Germany Gmbh | Cooling unit for an electrical machine and method for producing a cooling unit |
| DE102021201804A1 (en) | 2021-02-25 | 2022-08-25 | Volkswagen Aktiengesellschaft | Housing for an electric machine with a self-venting cooling jacket |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19854466C1 (en) * | 1998-11-25 | 2000-04-13 | Daimler Chrysler Ag | Fluid cooled electrical generator e.g. automobile alternator, has cooling ribs and channel walls projecting into gap for cooling fluid between generator and encapsulation housing |
| US6909210B1 (en) | 2004-02-06 | 2005-06-21 | Emerson Electric Co. | Cooling system for dynamoelectric machine |
| US7322103B2 (en) * | 2004-06-04 | 2008-01-29 | Deere & Company | Method of making a motor/generator cooling jacket |
| DE202004018968U1 (en) * | 2004-12-08 | 2005-02-10 | Bbt Thermotechnik Gmbh | heat exchangers |
| DE102011075045A1 (en) * | 2011-05-02 | 2012-11-08 | Schaeffler Technologies AG & Co. KG | Cooling jacket and deflection unit for cooling jackets |
| DE102012008209A1 (en) * | 2012-04-21 | 2013-10-24 | Volkswagen Aktiengesellschaft | Electric machine |
| DE102012215018A1 (en) * | 2012-08-23 | 2014-02-27 | Robert Bosch Gmbh | Housing for an electric machine with a meandering cooling channel and guide geometries |
-
2014
- 2014-03-14 DE DE102014204816.8A patent/DE102014204816A1/en active Pending
- 2014-12-19 CN CN201420815151.8U patent/CN204858874U/en active Active
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| Publication number | Publication date |
|---|---|
| DE102014204816A1 (en) | 2015-09-17 |
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