CN107768333A - Electric machine controller radiator - Google Patents
Electric machine controller radiator Download PDFInfo
- Publication number
- CN107768333A CN107768333A CN201610707800.6A CN201610707800A CN107768333A CN 107768333 A CN107768333 A CN 107768333A CN 201610707800 A CN201610707800 A CN 201610707800A CN 107768333 A CN107768333 A CN 107768333A
- Authority
- CN
- China
- Prior art keywords
- runner
- electric machine
- passway
- coolant
- machine controller
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/473—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing liquids
Abstract
The present invention provides a kind of electric machine controller radiator, including：Substrate and the S-type runner being arranged in substrate recess, wherein, runner includes cooling passage, and the cooling passage includes the coolant subchannel of multiple interconnections, the coolant subchannel includes passway and the pipeline connected with passway, and the cross section of passway is polygon.Because the cross section of the passway of coolant subchannel is polygon, when coolant flows in runner, the flow direction of coolant constantly changes and continuously hits passway, form complicated turbulent flow whirlpool, promote the disturbance in boundary layer, heat convection effect is enhanced, enhances the heat-sinking capability of radiator.
Description
Technical field
The present invention relates to motor radiating field, more particularly to a kind of electric machine controller radiator.
Background technology
Getting worse due to environmental protection and the problem of the energy, it is national that support dynamics is increased to ev industry, promote
The fast development of electric automobile, while promoted among the life that electric automobile product moves towards common people early.Electric automobile produces
One of core of industry is power drive system, and electric machine controller is then the key components and parts of electric drive system for electric vehicles, is had
It is required that the features such as control accuracy is high, reliability is high, degree of protection is high, compact-sized.IGBT is the core power of electric machine controller
Element, it can produce substantial amounts of thermal losses in the course of the work, if heat can not in time be taken away and inside controller
Gather, this will decline IGBT ability to work and stability, or even burst.And the heat overwhelming majority that IGBT is sent needs
Wanting heat sink, therefore, the quality of radiator performance has and can not estimated to the service behaviour of electric machine controller to external environment condition
The influence of amount.
Traditional electric machine controller liquid cooling heat radiator largely uses aluminum alloy materials, in structure mainly by substrate and
Bottom plate forms.Some fins being distributed according to certain rules are milled out on substrate by mach mode, then by bottom plate with
Substrate is brazed together, final to form radiator entirety.During work, heat is distributed on fin by way of heat transfer, cold
But liquid is full of the gap between fin, and coolant, with certain speed, takes away wing in flowing by way of heat convection
Heat on piece, so as to reach the effect of cooling.
The subject matter of this traditional liquid cooling heat radiator is：Area of dissipation is small；Coolant flow regime in runner is main
For laminar flow, cause heat-sinking capability limited；Heat-sinking capability room for promotion very little；The increasingly increased power component of power can not be met
Cooling requirements.
The content of the invention
The present invention provides a kind of electric machine controller radiator, to solve the hypodynamic technology of traditional heat sinks heat radiation energy
Problem.
In order to solve the above problems, the present invention provides a kind of electric machine controller radiator, including：Substrate and it is arranged on base
S-type runner on plate groove, wherein, runner includes cooling passage, and cooling passage includes the cold of multiple interconnections
But liquid subchannel, coolant subchannel include passway and the pipeline connected with passway, and the cross section of passway is polygon.
Further, the cross section of passway is regular hexagon.
Further, the coolant subchannel of multiple interconnections is welded by connection sheet.
Further, cooling passage has multiple, and adjacent cooling passage is in contact by the side of passway.
Further, in addition to flow channel entry point and runner exit, runner one end are connected with flow channel entry point, the other end and stream
Road outlet is connected.
Further, in addition to runner is encapsulated in substrate recess by the bottom plate that is covered on substrate, bottom plate.
Further, runner is copper runner.
Further, substrate is made up of aluminum alloy materials.
Electric machine controller radiator provided by the invention, because the cross section of the passway of coolant subchannel is polygon
Shape, when coolant flows in runner, the flow direction of coolant constantly changes and continuously hits passway, is formed complicated
Turbulent flow whirlpool, promote the disturbance in boundary layer, enhance heat convection effect, enhance the heat-sinking capability of radiator.
Brief description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein：
Fig. 1 is the overlooking the structure diagram of electric machine controller radiator provided in an embodiment of the present invention；
Fig. 2 is the cross-sectional structure schematic diagram of electric machine controller radiator provided in an embodiment of the present invention；
Fig. 3 is the enlarged drawing of label A in Fig. 2；
Fig. 4 flows to schematic diagram for coolant；
Fig. 5 is the AA sectional views in Fig. 4.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not drawn according to the ratio of reality.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is the structural representation for the electric machine controller radiator that the embodiment of the present invention one provides；As shown in figure 1, this
Embodiment provides a kind of electric machine controller radiator, including：Substrate 1 and the S-type runner 2 being arranged on the groove of substrate 1,
Wherein, runner 2 includes cooling passage 21, and the cooling passage 21 includes the coolant subchannel 211 of multiple interconnections,
The coolant subchannel 211 includes passway 211a and the pipeline 211b connected with passway 211a, passway 211a horizontal stroke
Section is polygon.
Specifically, electric machine controller is set on substrate 1, coolant flows in cooling passage 21, to take away motor
Heat caused by controller, coolant flow through between the gap between coolant subchannel 211 and coolant subchannel 211.
Passway 211a cross sections are polygon, to increase area of dissipation, it is preferred that pipeline 211b cross sections is circular, such passage
Mouth 211a is connected with pipeline 211b, and coolant is constantly hit in flow process, forms the turbulent flow whirlpool of complexity, promotes border
The disturbance of layer, to strengthen heat convection effect., can in fansink designs because runner 2 and substrate 1 are separate parts
Consider heat-sinking capability demand and into select the scantling quantity of runner 2 originally.
Electric machine controller radiator provided by the invention, due to coolant subchannel 211 passway 211a it is transversal
Face is polygon, and when coolant flows in runner 2, the flow direction of coolant constantly changes and continuously hits passway
211a, the turbulent flow whirlpool of complexity is formed, promotes the disturbance in boundary layer, enhances heat convection effect, enhance dissipating for radiator
Heat energy power.
Preferably, passway 211a cross section is regular hexagon.The coolant subchannel 211 of multiple interconnections passes through
Connection sheet is welded.Multiple coolant subchannels 211 can be connected in a row by connection sheet, and multiple coolant subchannels 211 are located at
On straight line.Cooling passage 21 has multiple, and adjacent cooling passage 21 is in contact by passway 211a side, then each
Gap between coolant subchannel 211 is also hexagon, when coolant flows in runner 2, not only in coolant subchannel
Flow, can also be flowed in the gap between each coolant subchannel 211, so, the flow direction of coolant is constantly sent out in 211
Changing, and the continuous wall of impingement liquid subchannel 211, promote the disturbance in boundary layer, strengthen heat convection effect, enhancing dissipates
The heat-sinking capability of hot device.
Further, above-mentioned electric machine controller also includes flow channel entry point 22 and runner exit 23, the one end of runner 2 with radiator
It is connected with flow channel entry point 22, the other end is connected with runner exit 23.Coolant enters air stream enter runner 2 from flow channel entry point 22, from stream
The outflow runner 2 of road outlet 23, coolant walk the heat of electric machine controller by the fluxion strap in runner 2.
Further, above-mentioned electric machine controller also includes covering bottom plate 3 on substrate 1 with radiator, and bottom plate 3 is by runner
2 are encapsulated in the groove of substrate 1.Electric machine controller is in contact with bottom plate 3, when being flowed through so as to coolant from runner 2, by motor control
Heat in device processed is taken away.
Further, runner 2 is copper runner 2.The good heat conductivity of copper product runner 2.
Further, substrate 1 is made up of aluminum alloy materials.The in light weight of aluminum alloy materials, cost are low, can reduce radiator
Cost of manufacture.
Although by reference to preferred embodiment, invention has been described, is not departing from the situation of the scope of the present invention
Under, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as being rushed in the absence of structure
Prominent, the every technical characteristic being previously mentioned in each embodiment can combine in any way.The invention is not limited in text
Disclosed in specific embodiment, but all technical schemes including falling within the scope of the appended claims.
Claims (8)
- A kind of 1. electric machine controller radiator, it is characterised in that including：Substrate and be arranged on it is S-type in substrate recess Runner, wherein, runner includes cooling passage, and the cooling passage includes the coolant subchannel of multiple interconnections, institute Stating coolant subchannel includes passway and the pipeline connected with passway, and the cross section of passway is polygon.
- 2. electric machine controller radiator according to claim 1, it is characterised in that the cross section of the passway is just Hexagon.
- 3. electric machine controller radiator according to claim 2, it is characterised in that coolant of multiple interconnections Passage is welded by connection sheet.
- 4. electric machine controller radiator according to claim 2, it is characterised in that cooling passage have it is multiple, it is adjacent Cooling passage is in contact by the side of passway.
- 5. electric machine controller radiator according to claim 1, it is characterised in that also go out including flow channel entry point and runner Mouthful, runner one end is connected with flow channel entry point, and the other end is connected with runner exit.
- 6. electric machine controller radiator according to claim 1, it is characterised in that also include the bottom being covered on substrate Runner is encapsulated in substrate recess by plate, the bottom plate.
- 7. electric machine controller radiator according to claim 1, it is characterised in that the runner is copper runner.
- 8. electric machine controller radiator according to claim 1, it is characterised in that the substrate is by aluminum alloy materials system Into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610707800.6A CN107768333B (en) | 2016-08-23 | 2016-08-23 | Electric machine controller radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610707800.6A CN107768333B (en) | 2016-08-23 | 2016-08-23 | Electric machine controller radiator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107768333A true CN107768333A (en) | 2018-03-06 |
| CN107768333B CN107768333B (en) | 2019-11-29 |
Family
ID=61264694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610707800.6A Active CN107768333B (en) | 2016-08-23 | 2016-08-23 | Electric machine controller radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107768333B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101167184A (en) * | 2005-04-21 | 2008-04-23 | 日本轻金属株式会社 | Liquid-cooled jacket |
| CN201954991U (en) * | 2011-01-27 | 2011-08-31 | 江苏宝得换热设备有限公司 | Plate heat exchanger |
| CN202013880U (en) * | 2011-01-28 | 2011-10-19 | 艾默生网络能源有限公司 | Liquid-cooled radiator |
| US20120152500A1 (en) * | 2010-12-21 | 2012-06-21 | Pai-Ling Kao | Flow passage structure for water-cooling device |
-
2016
- 2016-08-23 CN CN201610707800.6A patent/CN107768333B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101167184A (en) * | 2005-04-21 | 2008-04-23 | 日本轻金属株式会社 | Liquid-cooled jacket |
| US20120152500A1 (en) * | 2010-12-21 | 2012-06-21 | Pai-Ling Kao | Flow passage structure for water-cooling device |
| CN201954991U (en) * | 2011-01-27 | 2011-08-31 | 江苏宝得换热设备有限公司 | Plate heat exchanger |
| CN202013880U (en) * | 2011-01-28 | 2011-10-19 | 艾默生网络能源有限公司 | Liquid-cooled radiator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107768333B (en) | 2019-11-29 |
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