CN109462162A - A kind of liquid metal heat radiation device - Google Patents
A kind of liquid metal heat radiation device Download PDFInfo
- Publication number
- CN109462162A CN109462162A CN201811514553.3A CN201811514553A CN109462162A CN 109462162 A CN109462162 A CN 109462162A CN 201811514553 A CN201811514553 A CN 201811514553A CN 109462162 A CN109462162 A CN 109462162A
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- China
- Prior art keywords
- piece
- liquid metal
- liquid
- heat
- radiating
- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Abstract
This application discloses a kind of liquid metal heat radiation devices, including components such as heat exchanging piece, radiating piece, circulating line and transfer tubes, pass through the cooperation of above-mentioned component, and the physical characteristic high using liquid metal fusing point low and high temperature thermal conductivity, to cool down in the cabinet of Cubicle Gas-Insulated Switchgear, effectively solve the problems, such as that temperature rise is excessively high in Cubicle Gas-Insulated Switchgear cabinet.In the liquid metal heat radiation device of the application, using liquid metal as circulating cooling liquid, compared to cooling mediums such as traditional empty gas and water, nonmetal mediums, liquid metal has higher thermal conductivity, therefore, with more efficient heat transportation and limit heat-sinking capability.In addition, liquid is not easy to evaporate, is not easy to reveal, safe and non-toxic and physico-chemical property is stablized, it is ensured that the efficient, long-term of radiator, stable operation.
Description
Technical field
This application involves switchgear technical field of heat dissipation more particularly to a kind of liquid metal heat radiation devices.
Background technique
Switchgear is a kind of in the power generation of electric system, transmission of electricity, distribution and electric energy conversion process, is opened and closed, is controlled
With the power equipment of protection.Component in switchgear include breaker, cutoff switch, on-load switch, operating mechanism, mutual inductor with
And various protective devices.Currently, common switchgear includes Cubicle Gas-Insulated Switchgear.
Cubicle Gas-Insulated Switchgear (hereinafter referred to as switchgear) is using gases such as SF6 as primary insulation
Medium uses vacuum interrupter as switch blowout unit, by vacuum interrupter and primary conductive circuit sealing in epoxy resin
In shell or stainless steel gas tank.Since epoxy resin shell or stainless steel gas tank are sealed set, internal load electric current is generated
Heat can only be radiated by limited convection current, conduction and radiation, therefore, the internal structure for switching setting is normal in operation
There is the excessively high problem of temperature rise.Excessively high temperature or fever for a long time can not only reduce the service performance of switchgear, can also contract
The service life of short switchgear.If by switchgear use in high altitude localities, due to the rarefaction of air in high hypo area, then
The heat-sinking capability of switchgear further decreases.It would therefore be highly desirable to which one kind, which split can shut equipment, carries out temperature rising control device.
Summary of the invention
This application provides a kind of liquid metal heat radiation devices, to solve existing Cubicle Gas-Insulated Switchgear
The excessively high problem of temperature rise in cabinet.
This application provides a kind of liquid metal heat radiation devices, are used for Cubicle Gas-Insulated Switchgear, and feature exists
In including the heat exchanging piece being placed in inside Cubicle Gas-Insulated Switchgear and the radiating piece being placed in external environment, institute
It states in heat exchanging piece and the radiating piece and is equipped with accommodating chamber, the accommodating chamber of the heat exchanging piece and the accommodating chamber of the radiating piece pass through
Circulating line is connected;
The shape of the heat exchanging piece and the internal structure of Cubicle Gas-Insulated Switchgear match, the heat exchanging piece
Accommodating chamber in be contained with the liquid metals of internal heat for substitution gas insulated metal closed switch equipment, replace heat
Liquid metals afterwards flow to the accommodating chamber of the radiating piece by the circulating line, and by displaced heat in the radiating piece
Amount is distributed into external environment;
Be additionally provided with transfer tube on the circulating line, the transfer tube for make liquid metal the heat exchanging piece with it is described
Circulation is formed between radiating piece.
Optionally, liquid metals is the metal that liquid is presented under room temperature.
Optionally, liquid metals includes gallium, mercury and gallium base bianry alloy.
Optionally, the radiating piece is radiating fin.
Optionally, the liquid metal heat radiation device further includes facing the fan of setting with radiating piece patch, the fan for pair
The radiating piece radiates.
Optionally, the shape of the heat exchanging piece and the internal structure of Cubicle Gas-Insulated Switchgear match, tool
Body is that the heat exchanging piece is radiating fin, and is deposited between radiating fin and Cubicle Gas-Insulated Switchgear internal components
In anti-electric safe distance.
Optionally, the heat exchanging piece periphery is equipped with net metal shielding case.
The application provides the structures such as a kind of liquid metal heat radiation device, including heat exchanging piece, radiating piece, circulating line and transfer tube
Part, by the cooperation of above-mentioned component, and the physical characteristic high using liquid metal fusing point low and high temperature thermal conductivity, it is gas-insulated
Cool down in the cabinet of metal enclosed switchgear, it is excessively high effectively to solve temperature rise in Cubicle Gas-Insulated Switchgear cabinet
Problem.
In the liquid metal heat radiation device of the application, using liquid metal as circulating cooling liquid, compared to traditional air,
The cooling mediums such as water, nonmetal medium, liquid metal have higher thermal conductivity, therefore, with more efficient heat transportation with
Limit heat-sinking capability.In addition, liquid is not easy to evaporate, is not easy to reveal, safe and non-toxic and physico-chemical property is stablized, it is ensured that radiator
Efficiently, for a long time, stable operation.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the structural schematic diagram of the application liquid metal heat radiation device;
Label in Fig. 1 respectively indicates are as follows: 1- heat exchanging piece, 2- radiating piece, 3- circulating line, 4- transfer tube, 5- fan, 6-
Metallic shield, 7- Cubicle Gas-Insulated Switchgear.
Specific embodiment
Liquid metal heat radiation device is used for the internal heat dissipating of Cubicle Gas-Insulated Switchgear, to solve gas-insulated gold
Belong to the problem that temperature rise is excessively high in sealing switch equipment cabinet.Fig. 1 is the structural schematic diagram of the application liquid metal heat radiation device, such as Fig. 1
Shown, liquid metal heat radiation device includes heat exchanging piece 1 and radiating piece 2.In use, heat exchanging piece 1 is placed in gas-insulated metal-enclosed open
It closes inside equipment 7, radiating piece 2 is located in external environment.
Accommodating chamber is equipped in heat exchanging piece 1 and radiating piece 2, the accommodating chamber of heat exchanging piece 1 and the accommodating chamber of radiating piece 2 are by following
Endless tube road 3 is connected.The inside heat for substitution gas insulated metal closed switch equipment is contained in the accommodating chamber of heat exchanging piece 1
The liquid metals of amount, the liquid metals after replacing heat is flow in radiating piece 2 by circulating line 3, and will be set in radiating piece 2
The heat changed is distributed into external environment.
In the application, the shape of heat exchanging piece 1 and the internal structure of Cubicle Gas-Insulated Switchgear match, that is, tie
Close the structure in Cubicle Gas-Insulated Switchgear and space, the corresponding shape that heat exchanging piece is set, rational deployment heat exchanging piece
Position, replace heat exchanging piece more fully to the heat in Cubicle Gas-Insulated Switchgear.In the present embodiment,
Heat exchanging piece is radiating fin.Certainly, it is contemplated that Cubicle Gas-Insulated Switchgear internal components have high voltage, because
This, radiating fin can not directly be contacted with Cubicle Gas-Insulated Switchgear internal components, i.e., in radiating fin and gas
Suitable anti-electric safe distance is set between insulated metal closed switch equipment internal components.In addition, to improve near radiating piece
Field distribution, avoid electric field from concentrating, improve dielectric strength, in the present embodiment, be equipped with net metal shielding in 1 periphery of heat exchanging piece
Cover 6.
For the heat dissipation convenient for the liquid metals in 2 accommodating chamber of radiating piece, in the present embodiment, radiating piece 2 is radiating fin.It dissipates
Hot fin has biggish surface area and longer flow circuits, liquid metals and environment in its accommodating chamber can be made to carry out abundant
Heat exchange, realization liquid metals in 2 accommodating chamber of radiating piece is fully cooled.
It is recycled to make the liquid metal in heat exchanging piece 1 and 2 accommodating chamber of radiating piece form primary Ioops, in the application, circulation pipe
Transfer tube 4 is additionally provided on road 3, transfer tube 4, which pumps the liquid metals that heat is absorbed in 1 accommodating chamber of heat exchanging piece to radiating piece 2, to be held
It receives intracavitary, and liquid metals after cooling in 2 accommodating chamber of radiating piece is delivered in 1 accommodating chamber of heat exchanging piece.
In the application, the liquid metals used is the metal that liquid is presented under room temperature, such as gallium, mercury or gallium base bianry alloy
Deng.The cooling mediums such as empty gas and water, the nonmetal medium used compared to tradition, liquid metal have higher thermal conductivity, because
This, with more efficient heat transportation and limit heat-sinking capability.In addition, liquid is not easy to evaporate, is not easy to reveal, safe and non-toxic and object
Change property to stablize, it is ensured that the efficient, long-term of radiator, stable operation.
Exchange to make to increase liquid metals in 2 accommodating chamber of radiating piece with the heat of environment, in the present embodiment, liquid metal is scattered
Hot device further includes that the fan 5 for facing setting is pasted with radiating piece 2, and fan 5 is for radiating to radiating piece 2.The application provides one kind
The components such as liquid metal heat radiation device, including heat exchanging piece, radiating piece, circulating line and transfer tube, by the cooperation of above-mentioned component,
And the physical characteristic high using liquid metal fusing point low and high temperature thermal conductivity, it is in the cabinet of Cubicle Gas-Insulated Switchgear
Cool down, effectively solves the problems, such as that temperature rise is excessively high in Cubicle Gas-Insulated Switchgear cabinet.
In the liquid metal heat radiation device of the application, using liquid metal as circulating cooling liquid, compared to traditional air,
The cooling mediums such as water, nonmetal medium, liquid metal have higher thermal conductivity, therefore, with more efficient heat transportation with
Limit heat-sinking capability.In addition, liquid is not easy to evaporate, is not easy to reveal, safe and non-toxic and physico-chemical property is stablized, it is ensured that radiator
Efficiently, for a long time, stable operation.
Above-described the application embodiment does not constitute the restriction to the application protection scope.
Claims (7)
1. a kind of liquid metal heat radiation device is used for Cubicle Gas-Insulated Switchgear, which is characterized in that including being placed in gas
Heat exchanging piece (1) inside insulated metal closed switch equipment and the radiating piece (2) being placed in external environment, the heat exchanging piece
(1) and in the radiating piece (2) accommodating chamber, the accommodating chamber of the heat exchanging piece (1) and the accommodating chamber of the radiating piece (2) are equipped with
It is connected by circulating line (3);
The shape of the heat exchanging piece (1) and the internal structure of Cubicle Gas-Insulated Switchgear match, the heat exchanging piece
(1) it is contained with the liquid metals of the internal heat for substitution gas insulated metal closed switch equipment in accommodating chamber, replaces
Liquid metals after heat flow to the accommodating chamber of the radiating piece (2) by the circulating line (3), and in the radiating piece
(2) displaced heat is distributed into external environment in;
It is additionally provided with transfer tube (4) on the circulating line (3), the transfer tube (4) is for making liquid metal in the heat exchanging piece
(1) circulation is formed between the radiating piece (2).
2. liquid metal heat radiation device according to claim 1, which is characterized in that liquid metals is that liquid is presented under room temperature
Metal.
3. liquid metal heat radiation device according to claim 2, which is characterized in that liquid metals includes gallium, mercury and gallium base two
First alloy.
4. liquid metal heat radiation device according to claim 1, which is characterized in that the radiating piece (2) is radiating fin.
5. liquid metal heat radiation device according to claim 1, which is characterized in that the liquid metal heat radiation device further include with
Radiating piece (2) pastes the fan (5) for facing setting, and the fan (5) is for radiating to the radiating piece (2).
6. liquid metal heat radiation device according to claim 1, which is characterized in that the shape and gas of the heat exchanging piece (1)
The internal structure of insulated metal closed switch equipment matches, specifically, the heat exchanging piece (1) is radiating fin, and radiating fin
There are anti-electric safe distances between piece and Cubicle Gas-Insulated Switchgear internal components.
7. liquid metal heat radiation device according to claim 1, which is characterized in that heat exchanging piece (1) periphery is equipped with netted
Metallic shield (6).
Priority Applications (1)
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CN201811514553.3A CN109462162A (en) | 2018-12-12 | 2018-12-12 | A kind of liquid metal heat radiation device |
Applications Claiming Priority (1)
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CN201811514553.3A CN109462162A (en) | 2018-12-12 | 2018-12-12 | A kind of liquid metal heat radiation device |
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CN109462162A true CN109462162A (en) | 2019-03-12 |
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CN201811514553.3A Pending CN109462162A (en) | 2018-12-12 | 2018-12-12 | A kind of liquid metal heat radiation device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112239019A (en) * | 2019-11-15 | 2021-01-19 | 林超文 | Digital product storage box capable of automatically monitoring and preventing high-temperature damage |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203038911U (en) * | 2013-01-07 | 2013-07-03 | 北京依米康散热技术有限公司 | Heat radiation device based on liquid metal |
CN207134675U (en) * | 2017-06-16 | 2018-03-23 | 云南靖创液态金属热控技术研发有限公司 | A kind of super-pressure intelligent substation radiator |
CN107887356A (en) * | 2017-10-12 | 2018-04-06 | 四川九洲电器集团有限责任公司 | A kind of high-efficiency radiator for closed structure high heat flux device |
CN207800588U (en) * | 2016-07-22 | 2018-08-31 | 成都博盈复希科技有限公司 | A kind of liquid metal heat radiation device |
-
2018
- 2018-12-12 CN CN201811514553.3A patent/CN109462162A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203038911U (en) * | 2013-01-07 | 2013-07-03 | 北京依米康散热技术有限公司 | Heat radiation device based on liquid metal |
CN207800588U (en) * | 2016-07-22 | 2018-08-31 | 成都博盈复希科技有限公司 | A kind of liquid metal heat radiation device |
CN207134675U (en) * | 2017-06-16 | 2018-03-23 | 云南靖创液态金属热控技术研发有限公司 | A kind of super-pressure intelligent substation radiator |
CN107887356A (en) * | 2017-10-12 | 2018-04-06 | 四川九洲电器集团有限责任公司 | A kind of high-efficiency radiator for closed structure high heat flux device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112239019A (en) * | 2019-11-15 | 2021-01-19 | 林超文 | Digital product storage box capable of automatically monitoring and preventing high-temperature damage |
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Application publication date: 20190312 |