CN109463028A - The cooling body of electronic unit in the machine of electricity - Google Patents
The cooling body of electronic unit in the machine of electricity Download PDFInfo
- Publication number
- CN109463028A CN109463028A CN201780040189.9A CN201780040189A CN109463028A CN 109463028 A CN109463028 A CN 109463028A CN 201780040189 A CN201780040189 A CN 201780040189A CN 109463028 A CN109463028 A CN 109463028A
- Authority
- CN
- China
- Prior art keywords
- cooling
- cooling ribs
- ribs
- cooling body
- cross
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 179
- 230000005611 electricity Effects 0.000 title claims abstract description 25
- 238000010276 construction Methods 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 238000009826 distribution Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 3
- 230000004308 accommodation Effects 0.000 claims 1
- 235000019628 coolness Nutrition 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Motor Or Generator Frames (AREA)
Abstract
A kind of cooling body of electronic unit in the machine of electricity has the cooling ribs being arranged on loading plate, the cooling ribs rolling country construction.
Description
Technical field
The present invention relates to the coolers of the electronic unit in a kind of machine of the electricity of preamble according to claim 1
Structure.
Background technique
A kind of cooling of electronic unit on cooling electric machine is described in 10 2,013 226 543 A1 of DE
Mechanism.The cooling body and electronic analytical devices are adjacently located on the end side of the machine of electricity, wherein true by electronic analytical devices
The current rotation position of the rotor of the machine of fixed electricity.The analytical equipment includes sensor, known using the sensor be fixed on turn
The circular magnetic field of the magnet of sub- end side.
Cooling body has the cooling ribs being arranged on loading plate, these cooling ribs are configured to the shape of linear wall section
Formula, wherein multiple cooling ribs stretched in parallel form a cooling ribs group, are respectively formed between the cooling ribs of direct neighbor
Straight line, radially extending relative to motor longitudinal axis flow path.Circumferentially there are a total of three difference is wrong on distribution ground
The cooling ribs group of 90 ° of arrangements is opened, these cooling ribs groups are respectively formed multiple flow channels being radially inwardly directed to stretched in parallel.
Fresh air can radially be introduced from the outside by these flow channels.Cooling air stream is generated by fan impeller, should
Fan impeller is disposed adjacently with cooling ribs and torsionally connect with rotor.
Summary of the invention
Cooling body of the invention is for the electronic unit in the machine of cooling electricity.The electronic unit is, for example, the machine of electricity
Power electronic mechanism, wherein it is also contemplated that other application, such as analytical unit is as electronic unit, with for true
The sensor of the current operation angle position of the rotor of the machine of fixed electricity.The machine of electricity may be used as example for setting in vehicle
Standby driving motor, or it is used as generator.
Cooling body includes loading plate and the cooling ribs that are arranged on the loading plate, wherein the flowing for cooling air
It is stretched between each cooling ribs in channel.Loading plate is preferably fixedly connect with the machine of electricity, which is preferably placed at the machine of electricity
The end side of device, and be fixed on the shell or stator of machine of electricity.
Cooling body is equipped with multiple cooling ribs, is respectively formed between these cooling ribs logical for the flowing of cooling air
Road.By these flow channels, cooling air is intimate referring to the longitudinal axis of the machine of electricity or draws from outside to inside radially just
It leads.Cooling air ensures that electronic unit is cooled down in an adequate manner.The generation of cooling air stream when necessary can be by logical
Draught fan impeller is supported that the fan impeller is torsionally arranged on the armature spindle of the machine of electricity and jointly turns with armature spindle
It is dynamic.
Cooling ribs rolling country construction, so that at least one is laterally by a cooling ribs or the flowing of two cooling ribs restriction
Channel also has corresponding waveform.By waveform realization so that cooling air stream is turned to according to waveform, thus reduce in air stream
With the boundary layer between the confining wall on cooling ribs.This has positive influence to heat transfer coefficient, so that cooling ribs can be more
Heat dissipation to cooling air and distribute to the external world.
Another advantage of the waveform of cooling ribs is, compared to linear design, to improve the rigidity of cooling ribs.This raising
Stiffness effect to the natural resonance and reduced vibration characteristics of cooling ribs, generate lesser acoustically radiating from there through cooling ribs
It penetrates, and correspondingly generates lower noise level.
Another advantage of waveform cooling ribs is that cooling ribs surface area is larger, from without the pressure loss generating enhancing
Heat dissipation.Improve the heat conveying from cooling ribs to cooling air stream.
According to a kind of advantageous design, circumferentially distribution ground is provided with the multiple cooling ribs for respectively having multiple cooling ribs
Group.In a cooling ribs group, each cooling ribs partially or even wholly distinguish rolling country construction, and at least almost parallel stretch
Exhibition.When stretching in parallel, the middle line of each cooling ribs is just parallel or at least almost parallel.
Such as two, three or four cooling ribs groups distribution circumferentially can be set, these cooling ribs groups respectively have
Multiple substantially parallel cooling ribs.These cooling ribs groups are arranged in which can offset one from another such as 90 ° of angles respectively.Each cooling
Each cooling ribs in rib group are all at least almost radially extending.
According to another beneficial design, each cooling ribs are along the circumferential direction observed uniformly in the inflow side that it is located at radially outer
Distribution ground arrangement, so that the inlet opening of the flow channel in cooling ribs group is also evenly distributed.Thus especially guarantee cooling
The inlet opening of the different flow channels of rib group is onesize, and/or has impartial spacing to each other.Pass through this side
Each flow channel of formula, cooling ribs group is flowed evenly through.
According to another beneficial design, cooling ribs observe modified cross-sectional area along its length.It herein for example can be with
It is advantageous that cooling ribs are in the region adjacent with the inlet opening of flow channel that it is located at radially outer, compared to being located at
The side adjacent with the outflow opening of flow channel of inner radial has biggish cross-sectional area.The design be able to achieve so that
Flow channel has at least almost identical cross-sectional area and/or cross-sectional shape in its circumferentially extending from outside to inside, from
And can be to avoid restriction effect or nozzle effect, and flow channel can be preferably flowed evenly through with constant flow velocity.
According to another advantageous design, the cross-sectional shape of cooling ribs narrows towards its axial end side.Cooling ribs thus exist
Its basal part towards loading plate horizontally extends farther distance compared in the region of its axially opposite end side.
Cooling ribs can be especially with the cross-sectional shape of taper.Narrow towards end side convenient for manufacture.
Cooling ribs are especially integrally constructed with loading plate.Loading plate and cooling ribs can be by the materials with thermal conductive resin
Material such as metal is constituted.
According to another beneficial design, the waveform of cooling ribs is by appropriately designed, thus wave height-cross of cooling ribs
To in radial observation-at least equal to cooling rib thickness.Pass through the ratio of wave height and the cooling rib thickness of wave, it is ensured that cooling ribs
With minimum curvature, so that the cooling stream for flowing through flow channel is turned to lesser boundary layer.
According to another advantageous design, the length-of waveform cooling ribs radially observation-process design, thus cooling
Rib at least has the shape of all-wave, which is made of two half-waves.When necessary it can be beneficial to provide the larger of cooling ribs
Extension distance such as three half-waves, or shorter extension distance such as only one half-wave or one and half half-wave.
The invention further relates to a kind of machine of electricity equipped with above-mentioned cooling body such as electric driving motors or generator.
It can be beneficial to which the electronic device for belonging to the cooling electronic unit of cooled mechanism is arranged on the loading plate of cooling body.
Electronic device at least partially can equally limit flow channel on the flow path of cooling air.
Detailed description of the invention
Further advantage and beneficial design can be obtained by other claims, drawings, description and drawings.
Fig. 1 is the top view of the cooling body of the electronic unit in the machine of electricity, which has a total of three edge
The cooling ribs group of circle distribution, these cooling ribs groups be respectively provided with the cooling ribs of multiple waveforms；
Fig. 2 is the cross-sectional view along the cooling body cutting including electronic unit；
Fig. 3 is the top view according to the cooling body of Fig. 1, but cooling ribs use a kind of design of substitution.
In the drawings, identical component indicates identical appended drawing reference.
Specific embodiment
A kind of cooling body 1 as shown in figs. 1 and 2, the electronic unit being used in the machine of cooling electricity.The cooler
Structure 1 is arranged on bearing cap 2 (Fig. 2), and is located at the end side of the machine of electricity.Accommodate the signal of the machine of electricity in bearing cap 2
Property the armature spindle 3 that shows, the longitudinal axis 4 of the armature spindle be equally the longitudinal axis of the machine of electricity.
Cooling body 1 has loading plate 5, which extends perpendicular to longitudinal axis 4 and be the support of cooling ribs 6, this
A little cooling ribs are integrally constructed with loading plate 5.Referring to longitudinal axis 4, cooling ribs 6 are at least almost radially extending, and at these
The flow channel 7 for cooling air is limited between cooling ribs, cooling air radially conveys from outside to inside, and from cooling ribs
6 absorb heat, and heat is discharged.These cooling ribs 6 are arranged to three cooling ribs groups 8,9 and 10, wherein cooling ribs group 8,
Inside 9 and 10, cooling ribs are at least almost parallelly radially extending.In each cooling ribs group, cooling ribs 6 pass through orientation, from
And the middle line of each cooling ribs 6 is at least almost parallel to each other.Circumferentially arrange three cooling ribs groups 8,9,10 to distribution, these
Cooling ribs group is arranged with 90 ° of angle with offseting one from another respectively.
Each 6 rolling country of cooling ribs construction, so that also rolling country constructs the flow channel 7 being defined as by each cooling ribs 6.
In this embodiment, each cooling ribs 6 are made of an all-wave respectively, and the all-wave is by two and half wave components.The waveform of cooling ribs passes through
Advantageous construction is crossed, is transversely to radial observation, the wave height of a wave is at least equal to cooling rib thickness.
In the embodiment according to Fig. 1 and 2, cooling ribs 6 are along its length, and-reference radial direction-has transformable transversal
Area.Compared to the region 12 for being located at inner radial, cooling ribs 6 have in the region for example marked with 11 for being located at radially outer
There is biggish cross-sectional shape.This cross section variation of cooling ribs 6 is able to achieve so that flow channel 7 has extremely along its length
The flow cross section of few near constant.
In the embodiment according to Fig. 1 and 2, each cooling ribs are all in place at a distance of the equal radial spacing starting of longitudinal axis
In the region of radially outer 11.Each cooling ribs 6 are also all being located at radial direction to terminate at a distance of the equal radial spacing of longitudinal axis 4
In internal region 12.
Cooling body 1 is assigned in electronic unit 13 (Fig. 2), which includes the such as capacitor of electronic device 14, this
A little electronic devices are received in the receiving portion 15 (Fig. 1) on the loading plate 5 of cooling body 1.The restriction of these receiving portions 15
The lateral surface of wall is similarly formed the flow profile for cooling air, and is limited together with nearest cooling ribs 6 for cooling empty
Other flow channels of gas.
There are inclined each cooling ribs 6 in the opposite direction inside each cooling ribs group 8,9,10.For each cooling
Rib group, which all constructs, is arranged in intermediate cooling ribs 6 ', thus the waveform that the side wall of the cooling ribs 6 ' has mirror symmetrical, opposite,
Cause the correspondingly direction on the contrary of flow channel 7 against the adjacent intermediate cooling ribs 6 ' of near-earth.
Furthermore as from Figure 2 it can be seen that the free end side that the cross-sectional area of cooling ribs is axially toward cooling ribs reduces.Thus
Realize the cross-sectional shape of at least intimate taper of cooling ribs 6, this is convenient for manufacture.
Another embodiment of cooling body 1 is shown in FIG. 3, wherein as first embodiment, these cooling ribs
6 composition a total of three cooling ribs groups 8,9,10, wherein cooling ribs group 8,9,10 is arranged with being circumferentially distributed with 90 ° of angle
On the cooling plate.These cooling ribs 6 distinguish rolling country construction, but these cooling ribs 6 have constant cross section along its length
Product, and have constant thickness.These cooling ribs 6 are to be located at radially outer at a distance of the different radial spacing starting of longitudinal axis
In region, and each cooling ribs 6 of each cooling ribs group are being located at diameter respectively to terminate at a distance of the equal radial spacing of longitudinal axis
In region internally.
Claims (14)
1. the cooling body of the electronic unit (13) in a kind of machine of electricity, with the cooling ribs being arranged on loading plate (5)
(6), for the flow channel of cooling air (7) between each cooling ribs, longitudinal axis of the cooling ribs referring to the machine of the electricity
It is at least almost radially extending, which is characterized in that cooling ribs (6) the rolling country construction.
2. cooling body as described in claim 1, which is characterized in that circumferentially distribution ground, which is provided with, respectively has multiple coolings
Multiple cooling ribs groups (8,9,10) of rib (6), wherein in a cooling ribs group (8,9,10), the middle line of each cooling ribs (6) is extremely
It is few to stretch almost parallelly.
3. cooling body as claimed in claim 1 or 2, which is characterized in that each cooling ribs (6) are in the inflow for being located at radially outer
The observation of lateral edge circumferencial direction is evenly distributedly arranged.
4. cooling body according to any one of claims 1 to 3, which is characterized in that the cooling ribs (6) are along its length
With transformable cross-sectional area.
5. cooling body as described in any one of claims 1 to 4, which is characterized in that the cross-sectional area of the cooling ribs (6)
It is constant along its radical length.
6. cooling body as described in any one of claims 1 to 4, which is characterized in that the cross-sectional area of the cooling ribs (6)
Radially reduce from outside to inside.
7. cooling body as claimed in claim 6, which is characterized in that the cross-sectional area of the cooling ribs (6) and/or cross section
Shape radially stretches from outside to inside, so that the flow channel (7) stretched between two cooling ribs (6) has at least intimate perseverance
Fixed through flow cross section.
8. such as cooling body according to any one of claims 1 to 7, which is characterized in that the cross section shape of the cooling ribs (6)
Shape narrows towards its axial end side.
9. such as cooling body according to any one of claims 1 to 8, which is characterized in that the waveform of the cooling ribs (6) passes through
It is appropriately designed, so that the wave height-of the cooling ribs (6) is transverse to radial observation-at least equal to cooling rib thickness.
10. such as cooling body according to any one of claims 1 to 9, which is characterized in that the length-of waveform cooling ribs is along diameter
To observation-process design, so that the cooling ribs (6) are at least with the shape of all-wave.
11. such as cooling body according to any one of claims 1 to 10, which is characterized in that adjacent cooling ribs (6) are being located at
At a distance of longitudinal axis (4) radial spacing having the same in the region (11) of radially outer.
12. such as cooling body according to any one of claims 1 to 10, which is characterized in that adjacent cooling ribs (6) are being located at
There is different radial spacings at a distance of longitudinal axis (4) in the region (11) of radially outer.
13. a kind of machine of electricity, have according to claim 1~any one of 12 described in cooling body (1).
14. the machine of electricity as claimed in claim 13, which is characterized in that the electronic device (14) of electronic unit (13) is arranged in
On the loading plate (5) of the cooling body (1), the electronic device is contained in receiving portion (14), the wall limit of described accommodation section
The flow path of cooling air is determined.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016211463.8 | 2016-06-27 | ||
| DE102016211463.8A DE102016211463A1 (en) | 2016-06-27 | 2016-06-27 | Cooling device of an electronics unit in an electrical machine |
| PCT/EP2017/065218 WO2018001819A1 (en) | 2016-06-27 | 2017-06-21 | Cooling device of an electric unit in an electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109463028A true CN109463028A (en) | 2019-03-12 |
Family
ID=59091531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780040189.9A Pending CN109463028A (en) | 2016-06-27 | 2017-06-21 | The cooling body of electronic unit in the machine of electricity |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN109463028A (en) |
| DE (1) | DE102016211463A1 (en) |
| WO (1) | WO2018001819A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016015535A1 (en) * | 2016-12-19 | 2018-06-21 | Ziehl-Abegg Se | Cooling device of an electric motor and electric motor with cooling device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1462501A (en) * | 2001-05-15 | 2003-12-17 | 瓦莱奥电机设备公司 | Rotating electrical machine, in particular alternator for motor vehicle |
| US20040051409A1 (en) * | 2002-09-13 | 2004-03-18 | Denso Corporation | Alternator for an automotive vehicle |
| US20060192446A1 (en) * | 2002-08-30 | 2006-08-31 | Denso Corporation | Automotive alternator having rectifier mounted on heatsink plate with cooling fins |
| CN101185222A (en) * | 2005-05-31 | 2008-05-21 | 法雷奥电机设备公司 | Dissipater of electric component for rotating elecctric installation |
| DE102013226543A1 (en) * | 2013-12-18 | 2015-06-18 | Robert Bosch Gmbh | Electric machine |
| DE102014225588A1 (en) * | 2013-12-23 | 2015-06-25 | Denso Corporation | Rotating electrical machine |
| CN105027398A (en) * | 2013-03-06 | 2015-11-04 | 三菱电机株式会社 | Power electronic module, method for producing such a module, and rotating electrical machine of a motor vehicle comprising same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6498408B2 (en) * | 2000-12-20 | 2002-12-24 | General Electric Company | Heat transfer enhancement at generator stator core space blocks |
| US6633098B2 (en) * | 2001-08-29 | 2003-10-14 | Hitachi, Ltd. | Alternator for use in a vehicle |
| WO2006007709A1 (en) * | 2004-07-20 | 2006-01-26 | Tm4 Inc. | Air cooled internal stator electric machine |
| KR20160000909A (en) * | 2014-06-25 | 2016-01-06 | 현대모비스 주식회사 | Water-cooled moter |
-
2016
- 2016-06-27 DE DE102016211463.8A patent/DE102016211463A1/en active Pending
-
2017
- 2017-06-21 WO PCT/EP2017/065218 patent/WO2018001819A1/en active Application Filing
- 2017-06-21 CN CN201780040189.9A patent/CN109463028A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1462501A (en) * | 2001-05-15 | 2003-12-17 | 瓦莱奥电机设备公司 | Rotating electrical machine, in particular alternator for motor vehicle |
| US20060192446A1 (en) * | 2002-08-30 | 2006-08-31 | Denso Corporation | Automotive alternator having rectifier mounted on heatsink plate with cooling fins |
| US20040051409A1 (en) * | 2002-09-13 | 2004-03-18 | Denso Corporation | Alternator for an automotive vehicle |
| CN101185222A (en) * | 2005-05-31 | 2008-05-21 | 法雷奥电机设备公司 | Dissipater of electric component for rotating elecctric installation |
| CN105027398A (en) * | 2013-03-06 | 2015-11-04 | 三菱电机株式会社 | Power electronic module, method for producing such a module, and rotating electrical machine of a motor vehicle comprising same |
| DE102013226543A1 (en) * | 2013-12-18 | 2015-06-18 | Robert Bosch Gmbh | Electric machine |
| DE102014225588A1 (en) * | 2013-12-23 | 2015-06-25 | Denso Corporation | Rotating electrical machine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102016211463A1 (en) | 2017-12-28 |
| WO2018001819A1 (en) | 2018-01-04 |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190312 |
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| WD01 | Invention patent application deemed withdrawn after publication |