CN206674409U - A kind of band two-sided cooled plate of fin structure - Google Patents
A kind of band two-sided cooled plate of fin structure Download PDFInfo
- Publication number
- CN206674409U CN206674409U CN201720274277.2U CN201720274277U CN206674409U CN 206674409 U CN206674409 U CN 206674409U CN 201720274277 U CN201720274277 U CN 201720274277U CN 206674409 U CN206674409 U CN 206674409U
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- substrate
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- cooled plate
- fin structure
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Abstract
A kind of band two-sided cooled plate of fin structure, substrate is welded between upper cover plate and lower cover, is provided with front runner in the one side of substrate, the another side of substrate is provided with back side runner, the hole of confluxing of through substrate is also provided with substrate, front runner and back side runner all connect with hole of confluxing.Runner layout type is interlocked the arrangement mode of fin structure tandem compound using different height in the utility model, considerably increase the disturbance of coolant, simultaneously because of staggeredly fin anterior and posterior height difference, can complete equipilibrium series connection runner in because coolant temperature rise and caused by two adjacent block uniform temperatures it is inconsistent the problem of, this fin structure radiating mode that interlocks, heat transfer area is big, coolant forms turbulent flow in fin and improves heat exchange efficiency, this kind of flow passage structure can increase substantially the radiating efficiency of high-power converter power model cooled plate, and flow resistance is low, good reliability.
Description
Technical field
It the utility model is related to a kind of cooled plate, and in particular to a kind of cold water plate with series connection and radiating flow passage in parallel.
Background technology
With the development of electronic technology, the performance of electronic equipment improves rapidly, due to the coupled thermomechanics characteristic of device in itself,
Its loss is consequently increased.At present, on main flow locomotive to converter module carry out heat extraction heat sink arrangement mainly have water cooling and
Air-cooled two ways, due to the power increase of locomotive traction, power density is also increasing, and air cooling way is difficult to meet high power
Density module radiator demand, turn into the main flow chased at present using the current transformer of the compact three-dimensional of water cooling method.
The motor controller structure of ac converter locomotive traction uses split cooled plate and IGBT structure type, but because current transformer is whole
The cooled plate quantity of individual system is more, and pipe joint is also more, so as to add the risk of leak.
In the design process of cooled plate, the design of its inner flow passage and radiating fin is to influence the key factor of radiating.
Existing cooled plate is more by the way of direct CNC Milling Process goes out fin in runner, because runner design is simple, fluid stream
It is dynamic to be in laminar condition, do not play reinforcing radiating effect.When radiator power density is very big, in order to improve water cooling heat exchange system
Number, need to reduce fin clearance, increase fin height, but too small fin clearance（≤1mm）Higher fin height（≥
12mm）, it is difficult to realize in actual processing and processing efficiency is very low, this heat dispersion for being all unfavorable for improving cooled plate and batch production
Using.
Find that following patent and the utility model have similarity by country's retrieval：
Application No. 201220075433.X, the utility model of entitled " a kind of finned cooled plate " are related to a seed wing
Chip cooled plate, includes cover plate（1）And pedestal（3）, described cover plate（1）It is provided with fin, the fin is and cover plate
（1）Aluminum extruded fin together（2）, described pedestal（3）It is provided with conduit corresponding with fin（4）, described fin
Alignment stretches to described conduit（4）Interior, described cover plate（1）With pedestal（3）Between soldering connection.Water cooling of the present utility model
The cover plate containing fin is produced using aluminium extruded mode on plate, and cost is low, and the connection reliability between cover plate and cooled plate pedestal
It is high.
Application No. 201320801529.4, the utility model of entitled " a kind of Double-layer water cold drawing " disclose a kind of bilayer
Cooled plate, belong to water cooling plant technical field.The Double-layer water cold drawing includes substrate and two plane cover plates, the upper and lower both sides of the substrate
Groove is symmetrically provided with, the bottom of the groove is plane, and being covered on the groove has the cover plate to form the upper water respectively
Case and the lower header, the front end of the upper water box are provided with distribution structure, and the lower header front end is provided with collection structure, it is described on
Water tank rear end is connected with the lower header rear end by loop structure, and the substrate side surfaces are provided with water inlet and delivery port, described
Water inlet is connected with the distribution structure, and the delivery port is connected with the collection structure, along water route on the cover plate madial wall
Direction is provided with grid.The utility model embodiment provides a kind of double-deck cold water plate, by cover plate madial wall along water route side
To grid is set, the speed of current and the contact area of raising heat-exchange surface and cooling water in cooled plate can be slowed down, so as to reach
To more preferable radiating effect.
Although above-mentioned two patent is also all cold water plate, and Application No. 201220075433.X utility model patent
Structure with fin, and the utility model patent of Application No. 201320801529.4 is also a kind of double-deck cooled plate.But
The fin structure of Application No. 201220075433.X utility model patent is single, without the high step in the utility model,
Short step, high fin and short fin structure, it is difficult to form the quick heat radiating effect of short fin region.And Application No.
Although 201320801529.4 utility model patent is double-deck cooled plate, but the flowing of its water all concentrates in together, with
Current in the utility model all carried out on the two sides of substrate flowing be it is different, and the utility model also by set series connection and
Radiating flow passage in parallel strengthens the effect of radiating.
Utility model content
The technical problems to be solved in the utility model is：How to allow the two sides of cooled plate quickly to be radiated, carry
The efficiency of height radiating.
Pin with above mentioned problem, the utility model proposes technical scheme be：A kind of band two-sided cooled plate of fin structure, substrate
It is welded between upper cover plate and lower cover, is provided with front runner in the one side of substrate, the another side of substrate is provided with back side runner, base
The hole of confluxing of through substrate is also provided with plate, front runner and back side runner all connect with hole of confluxing.
Further, high step and short step are provided with the runner of front, high step and short step are all opened on substrate
Groove, the depth of high step are more than the depth of short step.
Further, high step is located at the side in hole of confluxing, and short step is opened in the opposite side in hole of confluxing.
Further, high fin is provided with high step, short fin is provided with short step；All it is provided with high fin and short fin
The through hole that current can be allowed to lead to, and the height of high fin is more than the height of short fin.
Further, one end of substrate is provided with intake antrum, and the other end of substrate is provided with water chamber；Intake antrum, front runner,
Back side runner, conflux hole and water chamber can form the radiating flow passage of series connection together.
Further, it is more than 2 pieces to be welded on the substrate between upper cover plate and lower cover, and one end on every piece of substrate is provided with
Water inlet shunt channel, the other end on every piece of substrate are provided with water outlet split channel.
Further, be additionally provided between upper cover plate and lower cover into water connect runner and water side connection runner, every piece
Water inlet oral cavity and water inlet shunt channel on substrate all connect runner with water inlet and connected；Water outlet oral cavity on every piece of substrate and
Water outlet split channel all connects runner with water outlet and connected, so as to form the radiating flow passage of parallel connection.
The utility model has the advantages that：
1. runner layout type is interlocked the arrangement mode of fin structure tandem compound using different height in the utility model,
Considerably increase the disturbance of coolant, while because staggeredly fin anterior and posterior height is different, can be in complete equipilibrium series connection runner because cold
But liquid temperature degree rise and caused by two adjacent block uniform temperatures it is inconsistent the problem of, this fin structure radiating mode that interlocks,
Heat transfer area is big, and coolant forms turbulent flow in fin and improves heat exchange efficiency, and this kind of flow passage structure can increase substantially greatly
The radiating efficiency of power converter power model cooled plate, and flow resistance is low, good reliability.In addition, using intake-outlet joint
The mode being integrated with cold drawing argon arc welding, service life length, will not produce leakage.
2. a kind of compact-sized, the water cooling with relatively low flow resistance, thermal resistance and good uniform temperature is provided in the utility model
Plate, the radiating requirements of high power module are disclosure satisfy that, there is very high heat transfer efficiency and radiating effect.Simultaneously by integrated multiple
Module is installed, and reaches the purpose of integrated design, and whole system reliability step is lifted into 20%.
Brief description of the drawings
Fig. 1 is the schematic diagram in the main view direction of the present embodiment one；
Fig. 2 is the sectional view of the overlook direction of embodiment one；
Fig. 3 is schematic cross-sectional views of the Fig. 2 along A-A；
Fig. 4 is the sectional view of the overlook direction of embodiment two；
Fig. 5 is the overlook direction schematic diagram of high fin；
Fig. 6 is along B-B schematic cross-sectional view in Fig. 5；
Fig. 7 is the left view direction schematic cross-sectional view of short fin；
In figure：1 substrate, 11 water inlet oral cavities, 12 water outlet oral cavities, 13 front runners, 131 high steps, 132 short steps, 14 back ofs the body
Surface current road, 15 water inlet shunt channels, 16 water outlet split channels, 2 upper cover plates, 3 lower covers, 4 high fins, 5 short fins, 6 joints, 7
Conflux hole, 8 water inlet connection runners, 9 water outlets connection runner.
Embodiment
The description of a step is done to the utility model with reference to embodiment and accompanying drawing：
Embodiment one
As shown in Figure 1,2 and 3, substrate 1 is welded between upper cover plate 2 and lower cover 3, wherein basic include water inlet oral cavity
11st, water outlet oral cavity 12, front runner 13 and back side runner 14, front runner 13 are opened on a face of substrate 1, back side runner 14
It is opened on another face of substrate 1.Water inlet oral cavity 11 and water outlet oral cavity 12 can connect with front runner 13, can also be with the back side
Runner 14 connects.Also be provided with the hole 7 of confluxing of through substrate 1 on substrate 1, front runner 13 and back side runner 14 all with hole 7 of confluxing
Connection.
As shown in Fig. 3, Fig. 5, Fig. 6 and Fig. 7, high step 131 and short step are additionally provided with the front runner 13 of substrate 1
132, high step 131 and short step 132 are all to open groove on substrate 1, and the depth of high step 131 is more than short step 132
Depth.High step 131 is located at the side in hole 7 of confluxing, and short step 132 is opened in the opposite side in hole 7 of confluxing.Welded in high step 131
High fin 4 is fixed with, short fin 5 is welded with short step 132.
The through hole that current can be allowed logical is all provided with high fin 4 and short fin 5, and the height of high fin 4 is more than short fin 5
Highly.The height of high fin 4 of the depth of high step 131 with being put into its conduit is close, and the depth of short step 132 is with being put into it
The height of short fin 5 in conduit is close, after so high fin 4 and short fin 5 being put into front runner 13 what is interlocked,
High fin 4 is concordant with the integral surface of short fin 5, so as to not interfere with the integral braze-welded welding of substrate 1 and upper cover plate 2.
The welding sequence of all parts is in cooled plate：High step 131 and short step 132 respectively with high fin 4 and short wing
The Combination Welding of piece 5 is fixed, then is connected as one by vacuum brazing and upper cover plate 2 and lower cover 3, and lower cover 3 is logical with joint 6 again
Cross the water cooling harden structure that argon arc welding forms an entirety.
One end of substrate 1 is provided with intake antrum, and the other end of substrate 1 is provided with water chamber；Intake antrum, front runner 13, the back side
Runner 14, conflux hole 7 and water chamber can form the radiating flow passage of series connection together.Because the area of section of height step is different, and
In the case of flowing through the flow identical in the radiating flow passage of the series connection of single cooled plate, the area of high step 131 that front end fluid flows through
Domain flow velocity will be less than the flow velocity in the region of short step 132 that rear end fluid flows through, so as to the radiating effect of fin at short step 132
Can be more preferable, the low and high module temperature rise of step 131 is wanted in the temperature rise of module at short step 132, but considers itself quilt of coolant simultaneously
The situation that module temperature rise can improve after heating, temperature rise situation of the front and rear module at height step 132 can keep identical substantially,
It so can be very good the average temperature performance of front and rear IGBT above one cooled plate of lifting, while the side of height step runner collocation
Formula, it is also beneficial to reduce radiator overall flow resistance.
Embodiment two
As shown in figure 4, it is with the difference of embodiment one, the substrate 1 being welded between upper cover plate 2 and lower cover 3
For more than 2 pieces, one end on every piece of substrate 1 is provided with water inlet shunt channel 15, and the other end on every piece of substrate 1 is provided with water outlet shunting
Passage 16.It is additionally provided between upper cover plate 2 and lower cover 3 into water and connects runner 8 and water side connection runner, on every piece of substrate 1
Water inlet oral cavity 11 and water inlet shunt channel 15 all connect runner 8 with water inlet and connected；Water outlet oral cavity 12 on every piece of substrate 1
Runner 9 is all connected with water outlet with water outlet split channel 16 to be connected, so as to form the radiating flow passage of parallel connection.
Substrate 1 in the present embodiment is four pieces, and cooling water enters the back side runner of substrate 1 by water inlet from lower cover 3
14, back side runner 14 plays a part of one and cooling water is confluxed and shunted, and cooling water is entered by back side runner 14
In four radiating flow passages in parallel of front runner 13, to ensure that coolant is uniform in four radiating flow passages in parallel, overleaf runner
14 set the water inlet shunt channel 15 and water outlet split channel 16 of different in width with the intersection of radiating flow passage in parallel, to ensure four
IGBT module temperature rise on main road in parallel is consistent, and prevents individual modules overheat condition from occurring.
Substrate 1 adds high and low using double-sided runner structure design, runner using parallel-connection structure in the utility model cooled plate
The mode of rank series connection so that while the Highgrade integration of product, ensure that the uniform temperature requirement of each heating module.Meanwhile
In order to reduce the boundary layer thickness of water passage surface, the heat exchange efficiency of cooled plate is improved, using staggeredly fin structure, allows liquid to exist
Strong and unordered flowing occurs in runner, to reduce the boundary layer thickness of fluid and thermal-convection resistance, serves reinforcing radiating
Effect.And the runner processing of the cold drawing is simple, the requirement of mass production is adapted to, cooled plate is therein after soldering is complete
Substrate 1 is high with cover plate connection reliability, can withstand up to 1.2MPa hydraulic pressure, this multimode integrates genuine integral structure side
Formula, it can also improve the operation and maintenance performance of whole system.
It will be apparent that on the premise of principle described in the utility model is not departed from, some improvement or modification made should all regard
For the scope of protection of the utility model.
Claims (7)
1. a kind of band two-sided cooled plate of fin structure, substrate（1）It is welded on upper cover plate（2）With lower cover（3）Between, its feature exists
In in substrate（1）One side be provided with front runner（13）, substrate（1）Another side be provided with back side runner（14）, substrate（1）On
Also it is provided with through substrate（1）Hole of confluxing（7）, front runner（13）With back side runner（14）All with hole of confluxing（7）Connection.
A kind of 2. band two-sided cooled plate of fin structure according to claim 1, it is characterised in that front runner（13）In set
There is high step（131）With short step（132）, high step（131）With short step（132）All it is to be opened in substrate（1）On groove, it is high
Step（131）Depth be more than short step（132）Depth.
A kind of 3. band two-sided cooled plate of fin structure according to claim 2, it is characterised in that high step（131）It is located at
Conflux hole（7）Side, short step（132）It is opened in hole of confluxing（7）Opposite side.
A kind of 4. band two-sided cooled plate of fin structure according to Claims 2 or 3, it is characterised in that high step（131）In
Provided with high fin（4）, short step（132）In be provided with short fin（5）；High fin（4）With short fin（5）In be all provided with and can allow current
Logical through hole, and high fin（4）Height be more than short fin（5）Height.
A kind of 5. band two-sided cooled plate of fin structure according to claim 1, it is characterised in that substrate（1）One end open
There are intake antrum, substrate（1）The other end be provided with water chamber；Intake antrum, front runner（13）, back side runner（14）, hole of confluxing（7）
The radiating flow passage of series connection can be formed together with water chamber.
6. a kind of band two-sided cooled plate of fin structure according to claim 5, it is characterised in that be welded on upper cover plate（2）
With lower cover（3）Between substrate（1）For more than 2 pieces, every piece of substrate（1）On one end be provided with water inlet shunt channel（15）, often
Block substrate（1）On the other end be provided with water outlet split channel（16）.
7. a kind of band two-sided cooled plate of fin structure according to claim 6, it is characterised in that in upper cover plate（2）With under
Cover plate（3）Between be additionally provided with into water connect runner（8）Runner, every piece of substrate are connected with water side（1）On water inlet oral cavity（11）
And water inlet shunt channel（15）All runner is connected with water inlet（8）Connected；Every piece of substrate（1）On water outlet oral cavity（12）With go out
Moisture circulation road（16）All runner is connected with water outlet（9）Connected, so as to form the radiating flow passage of parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720274277.2U CN206674409U (en) | 2017-03-21 | 2017-03-21 | A kind of band two-sided cooled plate of fin structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720274277.2U CN206674409U (en) | 2017-03-21 | 2017-03-21 | A kind of band two-sided cooled plate of fin structure |
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| CN206674409U true CN206674409U (en) | 2017-11-24 |
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ID=60376604
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720274277.2U Active CN206674409U (en) | 2017-03-21 | 2017-03-21 | A kind of band two-sided cooled plate of fin structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107912005A (en) * | 2017-12-15 | 2018-04-13 | 惠州市惠丰汽车空调有限公司 | A kind of cooled plate |
| CN109890186A (en) * | 2019-04-23 | 2019-06-14 | 中国电子科技集团公司第二十九研究所 | A kind of cooler flow path and double radiating surface liquid cooling plates with asymmetric topology structure |
| CN111200923A (en) * | 2020-01-13 | 2020-05-26 | 贵州永红航空机械有限责任公司 | Miniature radiator structure for radiating large-scale electronic equipment |
| CN111678371A (en) * | 2020-06-19 | 2020-09-18 | 贵州凯宏汇达冷却系统有限公司 | Heat exchanger and liquid cooling source equipment based on same |
| CN111780569A (en) * | 2020-06-23 | 2020-10-16 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | First heat exchange plate and micro-channel condenser |
| CN112292007A (en) * | 2020-11-02 | 2021-01-29 | 阳光电源股份有限公司 | Water-cooling heat dissipation device and electrical apparatus |
-
2017
- 2017-03-21 CN CN201720274277.2U patent/CN206674409U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107912005A (en) * | 2017-12-15 | 2018-04-13 | 惠州市惠丰汽车空调有限公司 | A kind of cooled plate |
| CN109890186A (en) * | 2019-04-23 | 2019-06-14 | 中国电子科技集团公司第二十九研究所 | A kind of cooler flow path and double radiating surface liquid cooling plates with asymmetric topology structure |
| CN111200923A (en) * | 2020-01-13 | 2020-05-26 | 贵州永红航空机械有限责任公司 | Miniature radiator structure for radiating large-scale electronic equipment |
| CN111200923B (en) * | 2020-01-13 | 2022-02-22 | 贵州永红航空机械有限责任公司 | Miniature radiator structure for radiating large-scale electronic equipment |
| CN111678371A (en) * | 2020-06-19 | 2020-09-18 | 贵州凯宏汇达冷却系统有限公司 | Heat exchanger and liquid cooling source equipment based on same |
| CN111678371B (en) * | 2020-06-19 | 2022-02-18 | 贵州凯宏汇达冷却系统有限公司 | Heat exchanger and liquid cooling source equipment based on same |
| CN111780569A (en) * | 2020-06-23 | 2020-10-16 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | First heat exchange plate and micro-channel condenser |
| CN111780569B (en) * | 2020-06-23 | 2021-11-05 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | First heat exchange plate and micro-channel condenser |
| CN112292007A (en) * | 2020-11-02 | 2021-01-29 | 阳光电源股份有限公司 | Water-cooling heat dissipation device and electrical apparatus |
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