CN205544884U - Change of current valve cooling system based on liquid metal - Google Patents
Change of current valve cooling system based on liquid metal Download PDFInfo
- Publication number
- CN205544884U CN205544884U CN201620035191.XU CN201620035191U CN205544884U CN 205544884 U CN205544884 U CN 205544884U CN 201620035191 U CN201620035191 U CN 201620035191U CN 205544884 U CN205544884 U CN 205544884U
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- CN
- China
- Prior art keywords
- liquid metal
- pipeline
- heat
- heat exchanger
- cooling system
- 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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Links
- 229910001338 liquidmetal Inorganic materials 0.000 title claims abstract description 83
- 238000001816 cooling Methods 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000008367 deionised water Substances 0.000 claims abstract description 29
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000005855 radiation Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 2
- 239000010931 gold Substances 0.000 claims 2
- 229910052737 gold Inorganic materials 0.000 claims 2
- 238000009825 accumulation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
Abstract
The utility model provides a change of current valve cooling system based on liquid metal, including liquid metal radiator, first heat exchanger and the second heat exchanger that connects gradually, the liquid metal radiator is including setting up the liquid metal pipeline in its inside cavity, first heat exchanger is including setting up first pipeline and the second pipeline in its inside cavity, the second heat exchanger is including setting up the third pipeline in its inside cavity, liquid metal pipeline and first pipe connection form liquid metal's the bad return circuit of following, second pipeline and third pipe connection form deionized water circulation circuit. Compared with the prior art, the utility model provides a pair of change of current valve cooling system based on liquid metal because liquid metal has the extremely strong capacity of heat transmission, can take away the heat of change of current valve rapidly, and the outside heat exchanger of rethread can reduce the accumulation that the heat was located at the heat source in finally spreading the heat air to reduce the temperature of heat source department.
Description
Technical field
This utility model relates to power semiconductor device technical field, is specifically related to a kind of converter valve cooling system based on liquid metal
System.
Background technology
In recent years, domestic and international extra-high voltage direct-current transmission market development is rapid, and market prospect is the most wide.Converter valve is as extra-high voltage
The nucleus equipment of DC transmission engineering, is the core function unit realizing alterating and direct current conversion, and the cooling system cooling in valve body
The quality of effect will directly affect the performance of converter valve change of current performance.Converter valve element radiating is bad not only can make this element over-temperature damage
Ruin, also result in straight-flow system time serious and stop transport.Therefore, converter valve cooling system has important work in DC transmission system
With, need extreme high reliability.
Deionized water, owing to having the good characteristics such as high specific heat, high heat conductance and high resistivity, is widely used as direct current transportation work
Journey converter valve coolant.Although the application of water-cooling system ratio is wide, but its heat-sinking capability is limited, and typical water-cooling system dissipates
Heat energy power is 30W/cm2～50W/cm2, and along with the rise of global energy the Internet, the power of electrical grid transmission is increasing,
The power density of converter valve also will be greatly increased, and the big heat flow density of formation proposes higher cooling requirements to cooling system.Cause
How this, decline the temperature of low power devices in certain structural condition, promotes the heat dispersion of converter valve cooling system, for carrying
The reliability of high-power component and converter valve is particularly important, so needing to develop a kind of highly efficient radiating mode.
Summary of the invention
In order to meet the needs of prior art, develop a kind of highly efficient radiating mode, this utility model provide a kind of based on
The converter valve cooling system of liquid metal.
The technical solution of the utility model is:
Described system includes liquid metal heat radiation device, First Heat Exchanger and the second heat exchanger being sequentially connected with；
Described liquid metal heat radiation device includes the liquid metal pipeline being provided at its inner portion in cavity；
Described First Heat Exchanger includes the first pipeline and the second pipe being provided at its inner portion in cavity；
Described second heat exchanger includes the 3rd pipeline being provided at its inner portion in cavity；
Described liquid metal pipeline and the first pipeline connect, and form liquid metal follows bad loop；Described second pipe and the 3rd pipe
Road connects, and forms deionized water closed circuit.
Preferably,
The outlet of described liquid metal pipeline is directly connected to the entrance of described first pipeline, the high temperature of liquid metal pipeline output
Liquid metal transmits to the first pipeline；
The outlet of described first pipeline is connected by the entrance of electromagnetic pump with liquid metal pipeline, and described electromagnetic pump drives the first pipeline
The liquid metal of the low temperature of output transmits to liquid metal pipeline；
The outlet of described second pipe is connected by the entrance of water pump and the first pipeline, and described water pump drives the low of second pipe output
Temperature deionized water transmission carries out heat exchange to the first pipeline, the liquid metal of described high temperature and described low temperature deionized water.
Preferably,
Described second heat exchanger is cooling tower；
In described first pipeline, the heat of deionized water is transferred in air by cooling tower.
Preferably,
Described second heat exchanger is the metal derby being provided with radiating fin；
In described first pipeline, the heat of deionized water is transferred in air by radiating fin.
Preferably, described liquid metal uses gallium-base alloy, and its fusing point is not higher than 30 DEG C.
Compared with immediate prior art, excellent effect of the present utility model is:
1, a kind of based on liquid metal the converter valve cooling system that this utility model provides, owing to liquid metal has extremely strong leading
Heat energy power, can take away the heat of converter valve rapidly, is more finally diffused in air by heat by outside heat exchanger, can
To reduce heat accumulation at thermal source, thus reduce the temperature at thermal source；
2, a kind of based on liquid metal the converter valve cooling system that this utility model provides, can effectively drop compared to water-cooling system
The operating temperature of low power electronic devices, improves the reliability of cooling system；
3, a kind of based on liquid metal the converter valve cooling system that this utility model provides, based on its efficient radiating efficiency, changes
Stream valve can be operated under higher voltage, current class so that can promote on the premise of not increasing power electronic devices quantity
The displacement volume of power transmission device.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is further illustrated.
Fig. 1: a kind of converter valve cooling system structural representation based on liquid metal in this utility model embodiment；
Wherein, 1: liquid metal heat radiation device；2: First Heat Exchanger；3: the second heat exchangers；4: electromagnetic pump；5: the liquid of low temperature
State metal；6: the liquid metal of high temperature；7: high temperature deionized water；8: low temperature deionized water；9: water pump.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, wherein, the most identical
Label represent identical element or there is the element of identical function.The embodiment described below with reference to accompanying drawing is exemplary,
It is intended to for explaining the present invention, and is not considered as limiting the invention.
This utility model provide a kind of based on liquid metal converter valve cooling system embodiment as it is shown in figure 1, particularly as follows:
This cooling system includes liquid metal heat radiation device 1, First Heat Exchanger 2 and the second heat exchanger 3 being sequentially connected with.Wherein,
1.: liquid metal heat radiation device 1 includes the liquid metal pipeline being provided at its inner portion in cavity.
2.: First Heat Exchanger 2 includes the first pipeline and the second pipe being provided at its inner portion in cavity.
3.: the second heat exchanger 3 includes the 3rd pipeline being provided at its inner portion in cavity.
1, liquid metal pipeline and the first pipeline connect, and form liquid metal follows bad loop
The outlet of liquid metal pipeline is directly connected to the entrance of the first pipeline, the liquid metal of the high temperature of liquid metal pipeline output
6 transmission are to the first pipeline, and the outlet of the first pipeline is connected by the entrance of electromagnetic pump with liquid metal pipeline, and electromagnetic pump 4 drives
The liquid metal 5 of the low temperature of the first pipeline output transmits to liquid metal pipeline；The outlet of second pipe is by water pump 9 and first
The entrance of pipeline connects, and water pump drives the low temperature deionized water 8 of second pipe output to transmit to the first pipeline.Height in the present embodiment
After the liquid metal 6 of temperature refers to absorb the heat that converter valve distributes, the liquid metal that temperature raises, the liquid metal 5 of low temperature
Refer to the liquid metal that after the liquid metal of above-mentioned high temperature carries out heat exchange with low temperature deionized water 8, temperature reduces.
1.: by changing magnetic field intensity or the current value of electromagnetic pump 4 output, adjust the transmission speed of the liquid metal of low temperature.
Electromagnetic pump provides the magnetic field and electric current intersected vertically for a pair to liquid metal so that the liquid metal in pipeline is by along duct orientation
Electromagnetic force, thus promote liquid metal to flow in pipeline, and adjust liquid by the size changing magnetic field intensity or electric current
The size of state metal institute stress, and then adjust the flow velocity of liquid metal, reach to adjust the purpose of radiating effect.
2.: by changing the rotating speed of water pump 9, adjust the transmission speed of low temperature deionized water, thus reach different radiating effects.
Liquid metal heat radiation device 1, for absorbing the heat that converter valve produces, the deionized water in liquid metal and the first pipeline enters
Row heat exchanges, thus the liquid metal 6 of high temperature carries out the liquid metal 5 that heat exchange is low temperature and again flows back to liquid metal and dissipate
Hot device.What in the present embodiment, high temperature deionized water 7 referred to that temperature after the liquid metal 6 with high temperature carries out heat exchange raises go from
Sub-water, low temperature deionized water 8 refers to carry out, with the second heat exchanger, the deionized water that temperature reduces after heat exchange.
2, second pipe and the 3rd pipeline connect, and form deionized water closed circuit
This closed circuit is that low temperature deionized water 8 flows back to First Heat Exchanger for high temperature deionized water 7 is carried out heat exchange.
When in the present embodiment, the second heat exchanger uses cooling tower:
The heat of deionized water is transferred in air by cooling tower.
When in the present embodiment, the second heat exchanger uses the metal derby being provided with radiating fin:
The heat of interior deionized water is transferred in air by radiating fin.
In this utility model, the work process of converter valve cooling system based on liquid metal is:
The heat that converter valve work produces passes to the liquid metal heat radiation device contacted, and liquid metal flows through its internal cavities,
Thus heat is taken away, the temperature of liquid metal raises, subsequently into First Heat Exchanger, in First Heat Exchanger liquid metal with
The relatively low deionized water of temperature carries out heat exchange makes its temperature decline, and the most again flow back into liquid metal heat radiation device and carries out next time
Circulation cooling.Meanwhile, carry out the later deionized water temperature of heat exchange with liquid metal and raise, its by the second heat exchanger with
The external world carries out heat exchange, and deionized water temperature reduces, and the most again flows back to First Heat Exchanger and carries out circulation cooling next time, from
And achieve the heat exchange of whole cooling system, the heat that converter valve work produces is transferred in external environment condition.
Finally should be noted that: described embodiment is only some embodiments of the present application rather than whole embodiments.
Based on the embodiment in the application, those of ordinary skill in the art obtained under not making creative work premise all its
His embodiment, broadly falls into the scope of the application protection.
Claims (5)
1. a converter valve cooling system based on liquid metal, it is characterised in that described system includes the liquid gold being sequentially connected with
Belong to radiator, First Heat Exchanger and the second heat exchanger；
Described liquid metal heat radiation device includes the liquid metal pipeline being provided at its inner portion in cavity；
Described First Heat Exchanger includes the first pipeline and the second pipe being provided at its inner portion in cavity；
Described second heat exchanger includes the 3rd pipeline being provided at its inner portion in cavity；
Described liquid metal pipeline and the first pipeline connect, and form liquid metal follows bad loop；Described second pipe and the 3rd pipe
Road connects, and forms deionized water closed circuit.
A kind of converter valve cooling system based on liquid metal, it is characterised in that
The outlet of described liquid metal pipeline is directly connected to the entrance of described first pipeline, the high temperature of liquid metal pipeline output
Liquid metal transmits to the first pipeline；
The outlet of described first pipeline is connected by the entrance of electromagnetic pump with liquid metal pipeline, and described electromagnetic pump drives the first pipeline
The liquid metal of the low temperature of output transmits to liquid metal pipeline；
The outlet of described second pipe is connected by the entrance of water pump and the first pipeline, and described water pump drives the low of second pipe output
Temperature deionized water transmission carries out heat exchange to the first pipeline, the liquid metal of described high temperature and described low temperature deionized water.
A kind of converter valve cooling system based on liquid metal, it is characterised in that
Described second heat exchanger is cooling tower；
In described first pipeline, the heat of deionized water is transferred in air by cooling tower.
A kind of converter valve cooling system based on liquid metal, it is characterised in that
Described second heat exchanger is the metal derby being provided with radiating fin；
In described first pipeline, the heat of deionized water is transferred in air by radiating fin.
A kind of converter valve cooling system based on liquid metal, it is characterised in that described liquid gold
Belonging to and use gallium-base alloy, its fusing point is not higher than 30 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620035191.XU CN205544884U (en) | 2016-01-14 | 2016-01-14 | Change of current valve cooling system based on liquid metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620035191.XU CN205544884U (en) | 2016-01-14 | 2016-01-14 | Change of current valve cooling system based on liquid metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205544884U true CN205544884U (en) | 2016-08-31 |
Family
ID=56763928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620035191.XU Active CN205544884U (en) | 2016-01-14 | 2016-01-14 | Change of current valve cooling system based on liquid metal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205544884U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529906A (en) * | 2016-01-14 | 2016-04-27 | 国网智能电网研究院 | Liquid metal based converter valve cooling system |
| CN106533131A (en) * | 2016-11-18 | 2017-03-22 | 云南电网有限责任公司电力科学研究院 | DC converter valve with pulse excitation device |
-
2016
- 2016-01-14 CN CN201620035191.XU patent/CN205544884U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529906A (en) * | 2016-01-14 | 2016-04-27 | 国网智能电网研究院 | Liquid metal based converter valve cooling system |
| CN106533131A (en) * | 2016-11-18 | 2017-03-22 | 云南电网有限责任公司电力科学研究院 | DC converter valve with pulse excitation device |
| CN106533131B (en) * | 2016-11-18 | 2023-07-14 | 云南电网有限责任公司电力科学研究院 | DC converter valve with pulse excitation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |