CN110234214A - A kind of electric drive liquid metal heat radiation component - Google Patents
A kind of electric drive liquid metal heat radiation component Download PDFInfo
- Publication number
- CN110234214A CN110234214A CN201910507004.1A CN201910507004A CN110234214A CN 110234214 A CN110234214 A CN 110234214A CN 201910507004 A CN201910507004 A CN 201910507004A CN 110234214 A CN110234214 A CN 110234214A
- Authority
- CN
- China
- Prior art keywords
- liquid metal
- heat radiation
- electric drive
- metal heat
- substrate
- 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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20327—Accessories for moving fluid, for connecting fluid conduits, for distributing fluid or for preventing leakage, e.g. pumps, tanks or manifolds
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20936—Liquid coolant with phase change
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20945—Thermal management, e.g. inverter temperature control
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A kind of electric drive liquid metal heat radiation component, is related to a kind of radiating subassembly.Purpose is to solve the problems, such as that the safety of the existing radiating element using water-cooling pattern is low.Radiating subassembly is made of liquid metal heat radiation pipe and substrate；Liquid metal heat radiation pipe head and the tail are connected to, and liquid metal heat radiation pipe indentation disk is set as the plane parallel with substrate surface and is arranged in substrate at the surface of substrate；Liquid metal heat radiation pipe is made of liquid metal chamber and circulating water cavity, and the section of circulating water cavity is C-shaped, and circulating water cavity is arranged around liquid metal chamber；Liquid metal is intracavitary filled with the heat-absorbing medium being made of gallium base liquid metal and sodium hydroxide solution；Liquid metal is intracavitary to be provided with a pair of electrodes or multipair electrode.Radiating subassembly of the present invention has radiating efficiency height, the advantage that application method is easy, highly-safe and portable.Radiating subassembly of the present invention is used for the heat dissipation of heating device.
Description
Technical field
The present invention relates to a kind of radiating subassemblies.
Background technique
With the fast development of electronic communication technology, power device is sent out towards high-performance, highly integrated, micromation direction
Exhibition, the layout designs of internal integrated circuit are more and more intensive, and heat flow density sharply increases.Such as single high-power IGBT
(insulated gate bipolar transistor) has biggish calorific value and higher heat flow density, and more high power IGBT dense arrangements
It will lead to serious " heat stacking " effect, cause electronic component temperature excessively high, serious reduction electronic component uses the longevity
Life.
Currently, people use forced convection air generally to cool down heating device, that is, utilize fan by cooling air force feed
To radiating element surface to scatter away heat at this, but such mode heat dissipation capacity is limited, and will cause obvious noise；And once
When micro element heat generation density reaches excessively high, air cooling will be difficult to be competent at.Another common type of cooling is water cooling, and water cooling is put
Although hand efficiency is higher, in operation by thermal evaporation cause can device aging and corrosion, and to water quality and flow duct
It is more demanding, it has a risk of leakage, water causes water flow to stop in cyclic process once driving the device fails of water circulation,
Then losing cooling chip temperature will rise rapidly, until burning, therefore, the safety of the radiating element of water-cooling pattern is low.
Summary of the invention
The present invention is low for the safety for solving the problems, such as the existing radiating element using water-cooling pattern, proposes that a kind of electricity drives
Dynamic liquid metal heat radiation component.
Electric drive liquid metal heat radiation component of the present invention is made of liquid metal heat radiation pipe and substrate；Liquid metal heat radiation pipe
Head and the tail are connected to, and liquid metal heat radiation pipe indentation disk is set as the plane parallel with substrate surface and is arranged in substrate close to base
At the surface of plate；
The liquid metal heat radiation pipe is made of liquid metal chamber and circulating water cavity, and the section of circulating water cavity is C-shaped, circulation
Water cavity is arranged around liquid metal chamber；The c-shaped opening of circulating water cavity is arranged towards the surface of closer substrate；
The liquid metal is intracavitary filled with by the gallium base liquid metal of 50~85% volumes and the hydrogen of 10~15% volumes
The heat-absorbing medium of sodium hydroxide solution composition；Water is filled in circulating water cavity；The flow direction of the intracavitary heat-absorbing medium of liquid metal with
The flow direction of water is identical or opposite in circulating water cavity；
The liquid metal is intracavitary to be provided with a pair of electrodes or multipair electrode；The electrode by circulating water cavity c-shaped opening
Place penetrates intracavitary to liquid metal and electrode end and submerges inside heat-absorbing medium；
The intake tunnel and exhalant canal being connected to circulating water cavity are provided in the substrate.
Further, the concentration of the sodium hydroxide solution is 0.9~1.1mol/L.
Further, the liquid metal heat radiation pipe indentation disk is set as the plane parallel with substrate surface and is arranged
In substrate at 0.2~10mm of surface of substrate.
Further, the electrode of the intracavitary setting of the liquid metal is graphite electrode.
Further, each pair of electrode of the intracavitary setting of the liquid metal is separately connected the anode and cathode of power supply.
Further, the water outlet of the water inlet of the intake tunnel and the cooling trough outside substrate is connected by pipeline
Logical, exhalant canal water outlet is connected to the water return outlet of the cooling trough outside substrate by pipeline.
Further, the turning of liquid metal heat radiation pipe is arranged in the electrode.
Further, recirculated water is provided on the pipeline between the exhalant canal water outlet and the water return outlet of cooling trough
Pump.
Further, the material of the substrate is polymethyl methacrylate.
Further, the section of the liquid metal chamber is circle.
Further, the atomic percent of the element in the gallium base liquid metal are as follows: Ga:67~69%, In:20~
22%, Sn is surplus.
Further, the preparation method of the gallium base liquid metal follows the steps below: according to the atom hundred of element
Divide ratio are as follows: Ga:67~69%, In:20~22% and Sn are that surplus weighs Ga metal, In metal and Sn metal as raw material, are incited somebody to action
Raw material, which is placed in vacuum melting, carries out vacuum melting, that is, completes.
Further, vacuum degree is 6.6 × 10 in the Vacuum Melting-3Pa hereinafter, and Vacuum Melting exist
It is carried out under protective gas, smelting time is 10~13min.
Further, the protective gas is the Ar gas that purity is 99.97%.
Further, the Ga metal, In metal and Sn metal are the technical grade raw metal of purity 99.99%.
The principle of the invention are as follows:
In electric drive liquid metal heat radiation component, the liquid metal being arranged in liquid metal chamber is used for the absorption of heat, follows
Ring water cavity around liquid metal chamber be arranged, circulating water cavity for absorb the heat in liquid wire chamber and distributed to circulation
In the cooling trough of water cavity connection.In sodium hydroxide solution, the end of electrode does not have gallium base fluid state metal suspension in heat-absorbing medium
Enter inside heat-absorbing medium, after applying voltage to the intracavitary electrode of liquid metal by power supply, being suspended between each pair of electrode
Gallium base liquid metal in sodium hydroxide solution generates directed flow under the driving of electric field, and flow direction is to be flowed to just by cathode
Pole.Since electric field is the driving force that gallium base liquid metal generates flowing, the energy in liquid metal intracavitary setting multipair electrode
The flowing velocity for enough improving gallium base liquid metal, then improves heat absorption efficiency and radiating efficiency.Gallium base fluid state gold in heat-absorbing medium
The flow direction of category can be identical as the flow direction of recirculated water in circulating water cavity, but when gallium base liquid metal in heat-absorbing medium
Flow direction it is opposite with the flow direction of recirculated water in circulating water cavity when can significantly improve gallium base liquid metal and recirculated water
Heat exchange efficiency.
The principle that gallium base fluid state metal suspension flows in sodium hydroxide solution after application electric field are as follows: after electrode is powered, bear
Pole discharges electronics in NaOH electrolyte makes two interpolars charge density gradient occur, and oxygen occurs in the electrolytic solution for liquid metal
Change reduction reaction and enriched negative electrical charge, the presence for the negative electrical charge due to potential difference and largely assembled, liquid metal is constantly
Displacement occurs to positive pole.In liquid metal surface redox reaction occurs for liquid metal, and equation is as follows:
Anode: 2Ga+OH-→Ca2o3+3H2O+6e-
Cathode: Ga2O3+2NaOH+3H2O→2NaCa(OH)4
2H20+2e-→2OH-+H2。
The application method of invention electric drive liquid metal heat radiation component are as follows:
Electric drive liquid metal heat radiation component of the present invention in use, the substrate of the c-shaped opening institute direction of circulating water cavity table
Face is heat-absorbent surface, and heat-absorbent surface is tightly attached on heat source, and coats one layer of heat-conducting silicone grease between, is set liquid metal is intracavitary
The anode and cathode for the electrode connection power supply set, and water circulating pump is connected into power supply, electric drive liquid metal heat radiation component
To start to radiate.
The invention has the following beneficial effects:
Since the c-shaped opening of circulating water cavity is towards substrate surface in the present invention, the setting of c-shaped opening avoids pair
The blocking of liquid metal chamber heat absorption improves the efficiency that liquid metal chamber absorbs heat from substrate surface；Circulating water cavity is around liquid
The lost efficiency that the setting of state wire chamber makes liquid metal carry heat improves, and then improves the heat dissipation effect of entire substrate.By
It is simple in electric drive liquid metal heat radiation modular construction of the present invention, and application method is easy, also have the advantages that it is portable, can be with
For in emergency circumstances radiating to heating device.The active low, steam for the gallium base liquid metal that the present invention uses is forced down, is glued
Attached ability by force and is not easy boiling characteristics, therefore using gallium base liquid metal when is not easy to evaporate and reveals, highly-safe.Gallium base fluid
For state metal compared with the water in existing water-cooling, conductive strong, thermal conductivity height, good fluidity, heat exchange property are excellent,
The low advantage of kinematic viscosity, electric drive liquid metal heat radiation assembly radiating power 2000W/cm of the present invention2More than.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of electric drive liquid metal heat radiation component in embodiment 1, and a is electrode in figure, and b is cooling
Sink, c are water circulating pump；
Fig. 2 is cross-sectional view at the A-A of Fig. 1；
Fig. 3 is cross-sectional view at the C-C of Fig. 1, and a is electrode in figure；
Fig. 4 is cross-sectional view at the B-B of Fig. 1；
Fig. 5 is the schematic cross-section of liquid metal heat radiation pipe 1.
Specific embodiment
In order to keep the objectives, technical solutions, and advantages of the present invention more clear, with reference to the accompanying drawings and embodiments,
This hair is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and unlimited
The fixed present invention.
Embodiment 1:
Illustrate the present embodiment in conjunction with Fig. 1~5, the present embodiment electric drive liquid metal heat radiation component is by liquid metal heat radiation pipe
1 and substrate 2 constitute；Liquid metal heat radiation pipe 1 is connected to from beginning to end, and 1 indentation disk of liquid metal heat radiation pipe is set as flat with 2 surface of substrate
Capable plane is simultaneously arranged in substrate 2 at the surface of substrate 2；
The liquid metal heat radiation pipe 1 is made of liquid metal chamber 11 and circulating water cavity 12, and the section of circulating water cavity 12 is C
Shape, circulating water cavity 12 are arranged around liquid metal chamber 11；The surface of the c-shaped opening of circulating water cavity 12 towards closer substrate 2 is set
It sets；Wherein, the liquid metal being arranged in liquid metal chamber 11 is used for the absorption of heat, and circulating water cavity 12 is around liquid metal chamber 11
Setting, circulating water cavity 12 is for absorbing the heat in liquid wire chamber 11 and being distributed to the cooling being connected to circulating water cavity 12
In sink.Since the c-shaped opening of circulating water cavity 12 is towards 2 surface of substrate, the setting of c-shaped opening is avoided to liquid gold
Belong to the blocking that chamber 11 absorbs heat, improves efficiency of the liquid metal chamber 11 from 2 Surface absorption heat of substrate；Circulating water cavity 12 is around liquid
State wire chamber 11 is arranged the lost efficiency for making liquid metal carry heat and improves, and then improves the heat dissipation effect of entire substrate.
Filled with by the gallium base liquid metal of 50% volume and the sodium hydroxide of 15% volume in the liquid metal chamber 11
The heat-absorbing medium of solution composition；Water is filled in circulating water cavity 12；In liquid metal chamber 11 flow direction of heat-absorbing medium with follow
The flow direction of water is identical or opposite in ring water cavity 12；When the total volume of gallium base liquid metal and sodium hydroxide solution is 65%
When, liquid metal chamber 11 is there are certain gap, which is conducive to improve the flow efficiency of gallium base liquid metal, and to suction
Thermal medium heat absorption capacity has smaller influence.
A pair of electrodes is provided in the liquid metal chamber 11；The electrode is penetrated by the c-shaped opening of circulating water cavity 12
In to the liquid metal chamber 11 and end of electrode is submerged inside heat-absorbing medium；Gallium base fluid state metal suspension is in hydrogen in heat-absorbing medium
In sodium hydroxide solution, the end of electrode is submerged inside heat-absorbing medium, is applied when by electrode of the power supply into liquid metal chamber 11
After voltage, the gallium base liquid metal being suspended in sodium hydroxide solution between each pair of electrode generates orientation under the driving of electric field
Flowing, flow direction are to flow to anode by cathode.Since electric field is the driving force that gallium base liquid metal generates flowing,
Can be improved the flowing velocity of gallium base liquid metal when multipair electrode is set in liquid metal chamber 11, then improve heat absorption efficiency and
Radiating efficiency.The flow direction of gallium base liquid metal can be with the flow direction phase of recirculated water in circulating water cavity 12 in heat-absorbing medium
Together, but when the flow direction of gallium base liquid metal is opposite with the flow direction of recirculated water in circulating water cavity 12 in heat-absorbing medium
The heat exchange efficiency of gallium base liquid metal and recirculated water can be significantly improved.
Power supply applies when voltage is not higher than 220 DC voltage to electrode can intermittently apply voltage, can also persistently apply
Making alive.When interval applies voltage, the directed flow that the liquid metal between positive and negative anodes generates after voltage removes, has flowed
Dynamic liquid metal can transfer the energy to adjacent liquid metal and make its flowing, then make the whole in liquid metal chamber 11
Liquid metal generation circulates；Apply voltage to electrode again after liquid metal stops flowing in liquid metal chamber 11
So that liquid metal circulates again.The intermittent operating condition for applying voltage and being suitble to radiating requirements low.Being continuously applied voltage can
Make liquid metal constant flow, and with alive raising is applied, the flow rate of liquid metal is improved, and flow rate improves
Be conducive to improve heat absorption efficiency and radiating efficiency.Due to electric drive liquid metal heat radiation component can by interval apply voltage and
It is continuously applied voltage and completes operation, and be not easy to evaporate and reveal when gallium base liquid metal, therefore the stability of radiating subassembly is high.
The intake tunnel 3 and exhalant canal 4 of connection circulating water cavity 12 are provided in the substrate 2.
Further, two electrodes of the every centering being arranged in the liquid metal chamber 11 be separately connected power supply anode and
Cathode；
Further, the concentration of the sodium hydroxide solution is 1mol/L；
Further, the water inlet of the intake tunnel 3 is connected to the water outlet of cooling trough by pipeline, exhalant canal
4 water outlets are connected to the water return outlet of cooling trough by pipeline.
Further, the turning of liquid metal heat radiation pipe 1 is arranged in the electrode.Electrode is arranged in liquid metal heat radiation
The turning of pipe 1 can be improved the utilization rate of basic surface, and the flow velocity that can be avoided turning heat-absorbing medium reduces.
Further, circulation is provided on the pipeline between 4 water outlet of exhalant canal and the water return outlet of cooling trough
Water pump.Water circulating pump is used to provide driving force for the circulation of water in circulating water cavity 12.
Further, the atomic percent of the element in the gallium base liquid metal are as follows: Ga:68%, In:21%, Sn are
Surplus.
Further, the preparation method of the gallium base liquid metal follows the steps below: according to the atom hundred of element
Divide ratio are as follows: Ga:68%, In:21% and Sn are that surplus weighs Ga metal, In metal and Sn metal as raw material, and raw material is placed in
Vacuum melting is carried out in vacuum melting, that is, is completed.The high-purity technical grade gallium that the present embodiment uses, indium, tin is raw material,
The gallium base liquid metal heat radiation liquid using gallium as host element has been prepared, the atom content of Ga element has reached 68.5%, so that
The Ga arrived68.5In21.5Sn10With very low fusing point, fusing point is -19 DEG C, therefore this has just greatly widened gallium base liquid metal
The operation interval of heat eliminating medium.The power density of gallium base liquid metal manufactured in the present embodiment can reach 2000W/cm2.Due to
Good fluidity and kinematic viscosity is big, resistance is smaller in flow process, therefore fluid flow noise is low.Due to the gallium base fluid of preparation
The active low, steam of state metal forces down, adhesive capacity is strong and is not easy boiling characteristics, therefore when the use gallium base liquid metal
It is not easy to evaporate and reveals, it is highly-safe.Gallium base liquid metal compared with the water in existing water-cooling, it is conductive it is strong, lead
Heating rate height, good fluidity, heat exchange property are excellent, the low advantage of kinematic viscosity.
Further, vacuum degree is 6.6 × 10 in the Vacuum Melting-3Pa hereinafter, and Vacuum Melting exist
It is carried out under protective gas, smelting time 13min.If without the molten processing of vacuum, the gallium base liquid metal obtained after melting
The middle oxide that can generate gallium has been passivated gallium base liquid metal to the susceptibility of heat, and viscosity and surface tension can also increased,
Then mobility is caused to weaken.Vacuumizing in the present embodiment Vacuum Melting can make tri- kinds of metals of Ga, In and Sn completely mixed
Close, ingredient is uniform and stable, with avoid to greatest extent in gallium base liquid metal alloy preparation process because oxidizing gas there are due to
Make to generate oxide inside the gallium base noncrystal alloy of preparation.
Further, the protective gas is the Ar gas that purity is 99.97%.The Ga metal, In metal and Sn metal
It is the technical grade raw metal of purity 99.99%.
The material of the substrate 2 is polymethyl methacrylate.The density of polymethyl methacrylate is 1.19g/cm3,
Further, face is smooth for table, and processing performance is excellent, and excellent surface hardness and adhesion strength alleviate entire substrate
Weight and improve the processing performance of substrate.Due to liquid metal chamber 11, circulating water cavity 12, intake tunnel 3 and exhalant canal 4
It is arranged at the inside of substrate 2, and structure is complicated, therefore the optimal technique for preparing electric drive liquid metal heat radiation component is
3D printing technique.
Further, the section of the liquid metal chamber 11 is circle.Circular liquid metal chamber 11 is conducive to reduce
The action resistance of liquid metal heat radiation medium and cooling water, improves the speed of fluid flowing, and then improves dissipating for entire substrate
Thermal effect.
Since the c-shaped opening of circulating water cavity 12 is towards 2 surface of substrate in the present embodiment, the setting of c-shaped opening avoids
To the blocking that liquid metal chamber 11 absorbs heat, efficiency of the liquid metal chamber 11 from 2 Surface absorption heat of substrate is improved；Recirculated water
The lost efficiency for making liquid metal carry heat is arranged around liquid metal chamber 11 and improves for chamber 12, and then improves entire substrate
Heat dissipation effect.Since the present embodiment electric drive liquid metal heat radiation modular construction is simple, and application method is easy, also has just
The advantages of taking can be used in emergency circumstances radiating to heating device.Having for the gallium base liquid metal that the present embodiment uses is lived
Property low, steam forces down, adhesive capacity is strong and is not easy boiling characteristics, therefore using gallium base liquid metal when is not easy to evaporate and lets out
Dew, it is highly-safe.Gallium base liquid metal is compared with the water in existing water-cooling, conductive strong, thermal conductivity height, mobility
Well, heat exchange property is excellent, the low advantage of kinematic viscosity.The present embodiment electric drive liquid metal heat radiation assembly radiating power
2000W/cm2。
Claims (15)
1. a kind of electric drive liquid metal heat radiation component, it is characterised in that: electric drive liquid metal heat radiation component is by liquid metal
Heat-dissipating pipe (1) and substrate (2) are constituted；Liquid metal heat radiation pipe (1) head and the tail are connected to, and liquid metal heat radiation pipe (1) indentation disk is set
At the plane parallel with substrate (2) surface and it is arranged in substrate (2) at the surface of substrate (2)；
The liquid metal heat radiation pipe (1) is made of liquid metal chamber (11) and circulating water cavity (12), and circulating water cavity (12) is cut
Face is C-shaped, and circulating water cavity (12) is arranged around liquid metal chamber (11)；The c-shaped opening of circulating water cavity (12) is towards closer base
The surface of plate (2) is arranged；
Filled with by the gallium base liquid metal of 50~85% volumes and the hydrogen of 10~15% volumes in the liquid metal chamber (11)
The heat-absorbing medium of sodium hydroxide solution composition；Water is filled in circulating water cavity (12)；The stream of liquid metal chamber (11) interior heat-absorbing medium
Dynamic direction and the flow direction of circulating water cavity (12) interior water are identical or opposite；
A pair of electrodes or multipair electrode are provided in the liquid metal chamber (11)；The electrode by circulating water cavity (12) C-shaped
Opening penetrates interior to liquid metal chamber (11) and electrode end and submerges inside heat-absorbing medium；
The intake tunnel (3) and exhalant canal (4) being connected to circulating water cavity (12) are provided in the substrate (2).
2. electric drive liquid metal heat radiation component according to claim 1, it is characterised in that: the sodium hydroxide solution
Concentration is 0.9~1.1mol/L.
3. electric drive liquid metal heat radiation component according to claim 1, it is characterised in that: the liquid metal heat radiation pipe
(1) indentation disk is set as the plane parallel with substrate (2) surface and is arranged in substrate (2) close to the surface 0.2 of substrate (2)
At~10mm.
4. electric drive liquid metal heat radiation component according to claim 1, it is characterised in that: the liquid metal chamber (11)
The electrode of interior setting is graphite electrode.
5. electric drive liquid metal heat radiation component according to claim 1, it is characterised in that: the liquid metal chamber (11)
Each pair of electrode of interior setting is separately connected the anode and cathode of power supply.
6. electric drive liquid metal heat radiation component according to claim 1, it is characterised in that: the intake tunnel (3)
The water outlet of the water inlet cooling trough external with substrate (2) is connected to by pipeline, exhalant canal (4) water outlet and substrate (2)
The water return outlet of external cooling trough is connected to by pipeline.
7. electric drive liquid metal heat radiation component according to claim 1, it is characterised in that: the electrode is arranged in liquid
The turning of heat dissipation metal pipe (1).
8. electric drive liquid metal heat radiation component according to claim 1, it is characterised in that: the exhalant canal (4) goes out
Water circulating pump is provided on pipeline between the mouth of a river and the water return outlet of cooling trough.
9. electric drive liquid metal heat radiation component according to claim 1, it is characterised in that: the material of the substrate (2)
For polymethyl methacrylate.
10. electric drive liquid metal heat radiation component according to claim 1, it is characterised in that: the liquid metal chamber
(11) section is circle.
11. electric drive liquid metal heat radiation component according to claim 1, it is characterised in that: the gallium base liquid metal
In element atomic percent are as follows: Ga:67~69%, In:20~22%, Sn be surplus.
12. electric drive liquid metal heat radiation component according to claim 1, it is characterised in that: the gallium base liquid metal
Preparation method follow the steps below: according to the atomic percent of element are as follows: Ga:67~69%, In:20~22% and Sn
It weighs Ga metal, In metal and Sn metal as raw material for surplus, raw material is placed in vacuum melting and carries out vacuum melting, i.e., it is complete
At.
13. electric drive liquid metal heat radiation component according to claim 12, it is characterised in that: the Vacuum Melting
Middle vacuum degree is 6.6 × 10-3Pa hereinafter, and Vacuum Melting carry out under a shielding gas, smelting time be 10~
13min。
14. electric drive liquid metal heat radiation component according to claim 13, it is characterised in that: the protective gas is pure
The Ar gas that degree is 99.97%.
15. electric drive liquid metal heat radiation component according to claim 13, it is characterised in that: the Ga metal, In gold
Belong to and Sn metal is the technical grade raw metal of purity 99.99%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507004.1A CN110234214B (en) | 2019-06-12 | 2019-06-12 | Electrically-driven liquid metal heat dissipation assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507004.1A CN110234214B (en) | 2019-06-12 | 2019-06-12 | Electrically-driven liquid metal heat dissipation assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110234214A true CN110234214A (en) | 2019-09-13 |
| CN110234214B CN110234214B (en) | 2020-06-30 |
Family
ID=67858962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910507004.1A Active CN110234214B (en) | 2019-06-12 | 2019-06-12 | Electrically-driven liquid metal heat dissipation assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110234214B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113453467A (en) * | 2021-06-25 | 2021-09-28 | Oppo广东移动通信有限公司 | Shell and electronic equipment |
| CN113747706A (en) * | 2021-08-11 | 2021-12-03 | Oppo广东移动通信有限公司 | Decoration assembly, shell assembly and electronic equipment |
| CN113996357A (en) * | 2021-10-29 | 2022-02-01 | 北京理工大学 | Device for controlling liquid to flow directionally under internal heating condition of micro-fluidic chip pipeline |
| CN115289873A (en) * | 2022-08-11 | 2022-11-04 | 核工业西南物理研究院 | Air cooling device for liquid metal natural convection loop |
| CN116033701A (en) * | 2021-10-26 | 2023-04-28 | 荣耀终端有限公司 | Manufacturing method of electronic element heat dissipation structure, heat dissipation structure and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005060370A2 (en) * | 2003-12-15 | 2005-07-07 | Nanocoolers, Inc. | Cooling of high power density devices by electrically conducting fluids |
| CN206255204U (en) * | 2016-12-18 | 2017-06-16 | 云南高科新农科技有限公司 | A kind of unmanned plane wing motor heat sink based on liquid metal |
| CN108649211A (en) * | 2018-05-15 | 2018-10-12 | 杭州龙灿液态金属科技有限公司 | Nanoscale glass putty preparation method based on gallium base liquid alloy |
| CN109346795A (en) * | 2018-08-30 | 2019-02-15 | 中国电力科学研究院有限公司 | The cooling system of battery module |
-
2019
- 2019-06-12 CN CN201910507004.1A patent/CN110234214B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005060370A2 (en) * | 2003-12-15 | 2005-07-07 | Nanocoolers, Inc. | Cooling of high power density devices by electrically conducting fluids |
| CN206255204U (en) * | 2016-12-18 | 2017-06-16 | 云南高科新农科技有限公司 | A kind of unmanned plane wing motor heat sink based on liquid metal |
| CN108649211A (en) * | 2018-05-15 | 2018-10-12 | 杭州龙灿液态金属科技有限公司 | Nanoscale glass putty preparation method based on gallium base liquid alloy |
| CN109346795A (en) * | 2018-08-30 | 2019-02-15 | 中国电力科学研究院有限公司 | The cooling system of battery module |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113453467A (en) * | 2021-06-25 | 2021-09-28 | Oppo广东移动通信有限公司 | Shell and electronic equipment |
| CN113747706A (en) * | 2021-08-11 | 2021-12-03 | Oppo广东移动通信有限公司 | Decoration assembly, shell assembly and electronic equipment |
| CN113747706B (en) * | 2021-08-11 | 2023-02-14 | Oppo广东移动通信有限公司 | Decoration assembly, shell assembly and electronic equipment |
| CN116033701A (en) * | 2021-10-26 | 2023-04-28 | 荣耀终端有限公司 | Manufacturing method of electronic element heat dissipation structure, heat dissipation structure and electronic equipment |
| CN113996357A (en) * | 2021-10-29 | 2022-02-01 | 北京理工大学 | Device for controlling liquid to flow directionally under internal heating condition of micro-fluidic chip pipeline |
| CN115289873A (en) * | 2022-08-11 | 2022-11-04 | 核工业西南物理研究院 | Air cooling device for liquid metal natural convection loop |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110234214B (en) | 2020-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110234214A (en) | A kind of electric drive liquid metal heat radiation component | |
| CN103556193B (en) | The red copper micro heat pipe that red copper surface surpasses hydrophilic-structure preparation method and manufactures by the method | |
| CN110492059A (en) | Preparation method of lithium ion battery equipped with high heat dissipation pole piece | |
| CN109484228A (en) | A kind of air-cooled circulatory system of direct-current charging post | |
| CN207753134U (en) | Battery case | |
| CN107052308B (en) | A kind of liquid metal thermal interface material that foam copper is compound | |
| CN107681176A (en) | A kind of air-cooled fuel battery double plates and method for strengthening radiating effect | |
| CN212227196U (en) | Ceramic tile structure warms up graphite alkene | |
| CN104125753B (en) | The integrated hot expander of cavity type conductor fluid | |
| CN201270483Y (en) | Fluid metal cooling focusing type solar thermoionic power generation apparatus | |
| CN201377772Y (en) | Heat conducting and radiating device for high-power LED lamp | |
| CN108281686B (en) | Bionic fuel cell with self-temperature control function | |
| CN202221803U (en) | Car lithium battery with radiating pipes | |
| CN207118186U (en) | A kind of LED display | |
| CN207006087U (en) | LED radiator | |
| CN109722675A (en) | A kind of recirculated water cooling hydrogen manufacturing module | |
| CN113923950A (en) | Device and method for cooling high-heat-flux-density device by using magnetic field and micro-channel | |
| CN209843895U (en) | Lithium ion battery's electric core heat dissipation mechanism | |
| CN205376498U (en) | IGBT module integration heat radiation structure in converter | |
| CN219117578U (en) | Cooling device for producing hydrogen by electrolyzing water | |
| CN201392833Y (en) | Heat tube radiation system of high-power rectifying device of four-inch thyristor | |
| CN219068715U (en) | Device for cooling large heat flux device by using magnetic field | |
| CN109560723A (en) | A kind of temperature difference electricity generation device and method | |
| CN218039425U (en) | Heat conduction structure suitable for multiunit sodium ion battery | |
| CN213395563U (en) | Indoor electric heater casing of high efficiency aluminum alloy heat dissipation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |