CN204168700U - One has flow-disturbing and to interlock step straight channel cooled plate - Google Patents
One has flow-disturbing and to interlock step straight channel cooled plate Download PDFInfo
- Publication number
- CN204168700U CN204168700U CN201420660760.0U CN201420660760U CN204168700U CN 204168700 U CN204168700 U CN 204168700U CN 201420660760 U CN201420660760 U CN 201420660760U CN 204168700 U CN204168700 U CN 204168700U
- Authority
- CN
- China
- Prior art keywords
- flow
- disturbing
- substrate
- straight channel
- upper cover
- 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.)
- Active
Links
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The utility model provides one to have flow-disturbing to interlock step straight channel cooled plate, comprise upper cover plate, substrate and lower cover; Upper cover plate and substrate surface are all milled with straight channel, are designed with flow-disturbing step in straight channel; Flow-disturbing step in upper cover plate straight channel and the flow-disturbing step in substrate straight channel are staggered, and upper cover plate and substrate, lower cover and substrate are welded together to form the cooled plate of water inlet and delivery port.Flow-disturbing step staggered designs in cooled plate upper cover plate and substrate straight channel, effective thinning thermal boundary layer thickness of liquid film, the thermal resistance of fluid when heat convection is reduced, the flowing of fluid in runner is allowed to become acutely unordered turbulence state, thus enhanced heat exchange effect, improve cooled plate heat exchange property, reduce the thermal resistance of cooled plate, solve density of heat flow rate at 13W/cm
2~ 15W/cm
2the heat radiation difficult point of electronic equipment, when metered flow is 6L/min, the thermal resistance of cooled plate can reach below 8K/kw.
Description
Technical field
The utility model relates to a kind of cooled plate, particularly one to be had flow-disturbing and to interlock step straight channel cooled plate.
Background technology
Along with the development of electronic technology, the performance of electronic equipment improves rapidly, and power increases rapidly, and the dissipation power of whole system also sharply increases, and the space structure of electronic equipment reduces day by day.
Electronic equipment dissipation power increases and space structure miniaturization, and cause electronic equipment density of heat flow rate to increase rapidly, heat radiation also becomes increasingly conspicuous.If electronic equipment dissipating heat problem can not be solved preferably, not only can have influence on the service behaviour of equipment but also have influence on the useful life of electronic equipment.
The type of cooling of high-power electric and electronic is divided into Air flow, oil cooling and water-cooled.But under high heat flux, air-cooled being difficult to is proved effective, and volume and weight can be caused in Iarge-scale system very large, be difficult to meet general requirement.And water-cooled due to the thermal capacity of water and density large, device packing density on a heat sink also can strengthen, thus high, the compact conformation of integrated level, and large for gross calorific power and that device for power switching number is many system is just very suitable.The radiating element of its key is cooled plate.Usually in the density of heat flow rate of electronic equipment more than 5W/cm
2time, just should select the type of cooling of forcing liquid cooling.
But current cooled plate due to runner design simple, fluid is in laminar condition inside runner, does not play enhanced heat exchange effect, thus causes the heat transfer efficiency of radiator to reduce, and heat-sinking capability is poor.
Utility model content
In order to solve the problem, the purpose of this utility model is to provide a kind of to be had flow-disturbing and to interlock the straight channel cooled plate of step, and this cooled plate has higher heat transfer efficiency, and can solve density of heat flow rate is 13W/cm
2~ 15W/cm
2the heat radiation difficult point of electronic equipment, when metered flow is 6L/min, the thermal resistance of cooled plate can reach below 8K/kW.
The technical scheme that the invention for solving the technical problem adopts is:
One has flow-disturbing and to interlock step straight channel cooled plate, and described cooled plate comprises upper cover plate, substrate and lower cover; Described upper cover plate surface is milled with straight channel, is designed with flow-disturbing step in straight channel; Described substrate surface is milled with straight channel, straight channel is designed with flow-disturbing step, flow-disturbing step in described upper cover plate straight channel and the flow-disturbing step in substrate straight channel are staggered, and described upper cover plate and substrate, lower cover and substrate are welded together to form the cooled plate of water inlet and delivery port.
In order to better realize the utility model, described substrate design has through hole, and described upper cover plate is designed with welding reinforcement, and welding reinforcement reaches base plate bottom through through hole and substrate welds together.
In order to better realize the utility model, described substrate design is fluted, and described upper cover plate is designed with rib, and when substrate and upper cover plate assemble, rib embeds groove.
In order to better realize the utility model, described substrate front side is designed with into water major trunk roads, and water inlet major trunk roads connect water inlet.After fluid enters from water inlet, flow into each straight channel via water inlet major trunk roads.
In order to better realize the utility model, described substrate back side is designed with water outlet major trunk roads, and water outlet major trunk roads connect delivery port.The fluid of each straight channel collects in water outlet major trunk roads, flows out from delivery port.
In order to better realize the utility model, described upper cover plate flow-disturbing shoulder height and substrate flow-disturbing shoulder height, close to the thermal-boundary-leyer thickness of fluid, are 0.2 ~ 0.4mm; And upper cover plate flow-disturbing step and substrate flow-disturbing step staggered designs.
In order to better realize the utility model, described flow-disturbing step shape is cuboid or cylinder.
In order to better realize the utility model, described upper cover plate and substrate and lower cover and substrate are welded together by friction stir welding.
In order to better realize the utility model, the material of described cooled plate is aluminium alloy.
Compared with prior art, tool has the following advantages and beneficial effect the utility model:
(1) flow-disturbing step staggered designs in cooled plate upper cover plate and substrate straight channel, effective thinning thermal boundary layer thickness of liquid film, the thermal resistance of fluid when heat convection is reduced, the flowing of fluid in runner is allowed to become acutely unordered turbulence state, thus enhanced heat exchange effect, improve cooled plate heat exchange property, reduce the thermal resistance of cooled plate, solve density of heat flow rate at 13W/cm
2~ 15W/cm
2the heat radiation difficult point of electronic equipment, when metered flow is 6L/min, the thermal resistance of cooled plate can reach below 8K/kw;
(2) cooled plate structure is simple, and process, environmental protection, bearing capacity is good.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, utility model is described further:
Fig. 1 is the utility model cooled plate exploded perspective view;
Fig. 2 is the utility model cooled plate upper cover plate straight channel and flow-disturbing step schematic diagram;
Fig. 3 is the utility model cooled plate upper cover plate rib and welding reinforcement schematic diagram;
Fig. 4 is the utility model cooled plate substrate front side schematic diagram;
Fig. 5 is that the utility model cooled plate upper cover plate and substrate coordinate schematic diagram;
Fig. 6 is the utility model cooled plate substrate front side runner schematic diagram;
Fig. 7 is the utility model cooled plate substrate back side runner schematic diagram;
Fig. 8 is the utility model cooled plate upper cover plate and substrate weld path schematic diagrams;
Fig. 9 is the utility model cooled plate lower cover and substrate weld path schematic diagrams.
Embodiment
Below in conjunction with accompanying drawing, execution mode of the present utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
As shown in Figure 1, one has flow-disturbing and to interlock step straight channel cooled plate, and described cooled plate comprises upper cover plate 1, substrate 2 and lower cover 3; As shown in Figure 2, described upper cover plate surface is milled with straight channel 5-1, is designed with flow-disturbing step 4-1 in straight channel 5-1; As shown in Figure 4, described substrate 2 surface is milled with straight channel 5-2, straight channel 5-2 is designed with flow-disturbing step 4-2, as shown in Figure 5, flow-disturbing step 4-1 in described upper cover plate 1 straight channel 5-1 and the flow-disturbing step 4-2 in substrate 2 straight channel 5-2 is staggered, and described upper cover plate 1 is welded together to form the cooled plate of water inlet 11 and delivery port 12 with substrate 2, lower cover 3 and substrate 2.
In order to better realize the utility model, as shown in Figure 4, described substrate 2 is designed with through hole 8, and as shown in Figure 3, described upper cover plate 1 is designed with welding reinforcement 7, and welding reinforcement 7 reaches bottom substrate 2 through through hole 8 and welds together with substrate 2.Welding bead is as shown in Fig. 9 15.
In order to better realize the utility model, as shown in Figure 4, described substrate 2 is designed with groove 10, and as shown in Figure 3, described upper cover plate 1 is designed with rib 6, and when substrate 2 and upper cover plate 1 assemble, rib 6 embeds groove 10.
In order to better realize the utility model, as shown in Figure 6, described substrate 2 frontal design has into water major trunk roads 9, and water inlet major trunk roads 9 connect water inlet 11.After fluid enters from water inlet 11, flow into each straight channel via water inlet major trunk roads 9.
In order to better realize the utility model, as shown in Figure 7, described substrate 2 reverse side is designed with water outlet major trunk roads 13, and water outlet major trunk roads 13 connect delivery port 12.The fluid of each straight channel collects in water outlet major trunk roads 13, flows out from delivery port.
In order to better realize the utility model, described upper cover plate 1 flow-disturbing step 4-1 height and substrate 2 flow-disturbing step 4-2, highly close to the thermal-boundary-leyer thickness of fluid, are 0.2 ~ 0.4mm; And upper cover plate flow-disturbing step and substrate flow-disturbing step staggered designs.
In order to better realize the utility model, described flow-disturbing step 4-1 and 4-2 shape are cuboid or cylinder.
In order to better realize the utility model, described upper cover plate 1 is welded together by friction stir welding with substrate 2 with substrate 2 and lower cover 3.Upper cover plate 1 and substrate 2 welding bead are as shown in Fig. 8 14, and lower cover 3 and substrate 2 welding bead are as shown in Fig. 9 16.
In order to better realize the utility model, the material of described cooled plate is aluminium alloy.
Fluid is inside cooled plate runner during heat convection, fluid can form thermal boundary layer at water passage surface, the thickness in boundary layer is thicker, the heat exchange between hot body and cooled plate runner will be stoped, thus reduce the heat transfer efficiency of cooled plate, therefore, in order to improve the heat exchange efficiency of cooled plate, the boundary layer thickness of water passage surface must be reduced.The method reducing boundary layer thickness allows liquid in cooled plate runner, form turbulent flow, as shown in Figure 4.The upper cover plate of the utility model design and the staggered designs of substrate flow-disturbing step, allow liquid that strong and unordered flowing occurs in runner, thus reduce the boundary layer thickness of fluid, also namely reduce the thermal-convection resistance of fluid, serve the effect of enhanced heat exchange.
Above-described embodiment is the utility model preferably execution mode; but execution mode of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection range of the present utility model.
Claims (9)
1. there is flow-disturbing to interlock a step straight channel cooled plate, it is characterized in that: comprise upper cover plate, substrate and lower cover; Described upper cover plate surface is milled with straight channel, is designed with flow-disturbing step in straight channel; Described substrate surface is milled with straight channel, straight channel is designed with flow-disturbing step, flow-disturbing step in described upper cover plate straight channel and the flow-disturbing step in substrate straight channel are staggered, and described upper cover plate and substrate, lower cover and substrate are welded together to form the cooled plate of water inlet and delivery port.
2. one according to claim 1 has flow-disturbing and to interlock step straight channel cooled plate, it is characterized in that: described substrate design has through hole, described upper cover plate is designed with welding reinforcement, and welding reinforcement reaches base plate bottom through through hole and substrate welds together.
3. one according to claim 1 has flow-disturbing and to interlock step straight channel cooled plate, and it is characterized in that: described substrate design is fluted, described upper cover plate is designed with rib, and when substrate and upper cover plate assemble, rib embeds groove.
4. one according to claim 1 has flow-disturbing and to interlock step straight channel cooled plate, and it is characterized in that: described substrate front side is designed with into water major trunk roads, water inlet major trunk roads connect water inlet.
5. one according to claim 1 has flow-disturbing and to interlock step straight channel cooled plate, and it is characterized in that: described substrate back side is designed with water outlet major trunk roads, water outlet major trunk roads connect delivery port.
6. one according to claim 1 has flow-disturbing and to interlock step straight channel cooled plate, it is characterized in that: described upper cover plate flow-disturbing shoulder height and substrate flow-disturbing shoulder height, close to the thermal-boundary-leyer thickness of fluid, are 0.2 ~ 0.4mm; And upper cover plate flow-disturbing step and substrate flow-disturbing step staggered designs.
7. one according to claim 1 has flow-disturbing and to interlock step straight channel cooled plate, it is characterized in that: described flow-disturbing step shape is cuboid or cylinder.
8. one according to claim 1 has flow-disturbing and to interlock step straight channel cooled plate, it is characterized in that: described upper cover plate and substrate and lower cover and substrate are welded together by friction stir welding.
9. one according to claim 1 has flow-disturbing and to interlock step straight channel cooled plate, it is characterized in that: the material of described cooled plate is aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420660760.0U CN204168700U (en) | 2014-11-06 | 2014-11-06 | One has flow-disturbing and to interlock step straight channel cooled plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420660760.0U CN204168700U (en) | 2014-11-06 | 2014-11-06 | One has flow-disturbing and to interlock step straight channel cooled plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204168700U true CN204168700U (en) | 2015-02-18 |
Family
ID=52542341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420660760.0U Active CN204168700U (en) | 2014-11-06 | 2014-11-06 | One has flow-disturbing and to interlock step straight channel cooled plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204168700U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104334003A (en) * | 2014-11-06 | 2015-02-04 | 广州高澜节能技术股份有限公司 | Straight runner water cooling plate with turbulence staggering step |
| CN106911058A (en) * | 2017-03-17 | 2017-06-30 | 中国科学院理化技术研究所 | A kind of " W " type runner is heat sink |
| CN109640601A (en) * | 2019-01-31 | 2019-04-16 | 英特换热设备(浙江)有限公司 | A kind of radiator cooling with medium, and the air conditioning frequency converter with the radiator, electronic equipment |
| CN111146544A (en) * | 2019-12-30 | 2020-05-12 | 电子科技大学 | Efficient cooling structure for small high-power millimeter wave device |
-
2014
- 2014-11-06 CN CN201420660760.0U patent/CN204168700U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104334003A (en) * | 2014-11-06 | 2015-02-04 | 广州高澜节能技术股份有限公司 | Straight runner water cooling plate with turbulence staggering step |
| CN106911058A (en) * | 2017-03-17 | 2017-06-30 | 中国科学院理化技术研究所 | A kind of " W " type runner is heat sink |
| CN109640601A (en) * | 2019-01-31 | 2019-04-16 | 英特换热设备(浙江)有限公司 | A kind of radiator cooling with medium, and the air conditioning frequency converter with the radiator, electronic equipment |
| CN111146544A (en) * | 2019-12-30 | 2020-05-12 | 电子科技大学 | Efficient cooling structure for small high-power millimeter wave device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104334002A (en) | Returning runner water cooling plate with turbulence staggering step | |
| CN202816913U (en) | Microchannel liquid-cooled heat sink device | |
| CN204168700U (en) | One has flow-disturbing and to interlock step straight channel cooled plate | |
| CN103307917B (en) | A kind of microchannel heat sink | |
| CN104051952B (en) | A kind of interior microchannel cooling heat sink | |
| CN205482497U (en) | Phase -change radiator | |
| CN208093548U (en) | Liquid-cooling heat radiator | |
| CN202617585U (en) | Water-cooled heat dissipation device | |
| CN201256510Y (en) | Water cooling heat radiator suitable for large power electric and electronic devices | |
| CN202888157U (en) | Liquid cooling plate-type radiator used for electric power semiconductor element | |
| CN205104482U (en) | Superconductive radiator of heat | |
| CN210325776U (en) | Turbulent flow type liquid cooling heat abstractor | |
| CN204168699U (en) | One has flow-disturbing and to interlock step hollow runner cooled plate | |
| CN104036966A (en) | Water-cooling super-capacitor module, tank body thereof and vehicle | |
| CN105552049A (en) | Integrated liquid cooling heat sink device of power module and bottom plate used by power module | |
| CN203194074U (en) | A water-cooling heat dissipator having porous fins | |
| CN108712848B (en) | A kind of embedded jet strengthened heat-exchange radiator of rib wall punching | |
| CN207165550U (en) | A kind of power model water cooling substrate | |
| CN104334003A (en) | Straight runner water cooling plate with turbulence staggering step | |
| CN207399733U (en) | Frivolous cold plate radiator structure | |
| CN107316848B (en) | A kind of extra-high voltage direct-current transmission thyristor valves water-cooled radiator | |
| CN205946472U (en) | Liquid cooling heat exchanger | |
| CN110416172A (en) | Liquid-cooling heat radiator and its processing method | |
| CN201894036U (en) | Honeycomb water-cooling radiator | |
| CN105375085A (en) | High-efficiency water-cooling plate for battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |