CN103617849A - Integrated water-cooled radiator based on damping resistors - Google Patents
Integrated water-cooled radiator based on damping resistors Download PDFInfo
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- CN103617849A CN103617849A CN201310556559.8A CN201310556559A CN103617849A CN 103617849 A CN103617849 A CN 103617849A CN 201310556559 A CN201310556559 A CN 201310556559A CN 103617849 A CN103617849 A CN 103617849A
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- resistance
- radiator
- damping resistance
- water
- heat sink
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- 238000013016 damping Methods 0.000 title claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 24
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000004411 aluminium Substances 0.000 claims abstract description 20
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 238000007747 plating Methods 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000004512 die casting Methods 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims description 3
- 238000002161 passivation Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 19
- 239000000498 cooling water Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides an integrated water-cooled radiator based on damping resistors. The radiator comprises a radiator main body, a thyristor and resistors, wherein the radiator main body comprises an aluminium panel, two radiator cavities, a water inlet and a water outlet, and each radiator cavity is composed of a water channel and a water channel wall; the thyristor is adhered to the surface of the aluminium panel, the water inlet and the water outlet are formed at the bottom of the radiator main body, the two radiator cavities are located inside the aluminium panel; the resistors are arranged at the water channel. According to the integrated water-cooled radiator based on the damping resistors provided by the invention, the heat-radiation functions of the thyristor and the damping resistors are integrated on the water-cooled radiator, so that the integrated water-cooled radiator based on the damping resistors has the characteristics of being small in volume, strong in heat radiation, simple in structure, large in water capacity and strong in voltage endurance capability, and the like.
Description
Technical field
The present invention relates to a kind of radiator, specifically relate to a kind of integrated water cold heat sink based on damping resistance.
Background technology
The fast development of extra-high voltage direct-current technology has been played important function to distributing rationally of China's energy, in engineering, extra-high voltage direct-current converter valve adopts the mode of a plurality of Thyristors in series to carry out the change of current, and use is parallel to thyristor two ends damping circuit and has solved well its problem of all pressing.Damping capacitor, after accumulation energy, discharges and consumes on the damping resistance of series connection with it with impulse form.Therefore, damping resistance need to possess good pulse power tolerance and thermal diffusivity.
The radiating mode of the converter valve damping resistance coming into operation at present mainly contains two kinds: a kind of employing indirect water-cooling mode, first heat is reached to the spreader surface contacting with damping resistance, after by radiator circulate cooling water inside, heat is taken away; Indirect water-cooling mode is to insert in radiator with damping resistance rod, and the mode of indirectly taking away heat by cooling water in radiator is dispelled the heat, and the shortcoming of this mode is: the first, heat-sinking capability a little less than; The second, radiator volume is larger; The 3rd, radiator water consumption is large.The another kind of direct water-cooling mode that adopts, by damping resistance layout, in the water route of PVDF housing, the direct contact resistance of cooling water carries out cooling.Direct water-cooling mode heat-sinking capability increases than indirect cooling method, but also has its limitation: the first, because metallic resistance directly contacts with water, there is special anticorrosion electrode, and increased the complexity of structural design; The second, the water capacity in water route is less, dry combustion method ability, and the cutout time is generally less than 3 seconds; The 3rd, case material is PVDF, and its voltage endurance capability is poor compared with metal material.The 4th, thyristor and damping resistance fansink designs are all independently, have so not only increased structure overall dimensions, also because connecting interface, have reduced the reliability that water route connects.
Thyristor power consumption when work is very large, causes junction temperature very high.For guaranteeing that it can work, must adopt water-filled radiator to carry out cooling to it.Thyristor radiator is an indispensable part in converter valve water cooling system, and its effect is that the heat that thyristor is produced is carried in system by cooling fluid, through second heat exchange, absorbed heat is dispersed into airborne heat-exchange device.Therefore, the quality of thyristor radiator performance directly affects the impact of performance and the reliability thereof of converter valve.
Water-cooling system current be widely used in direct-current transmission converter valve cooling in, and thyristor and damping resistance are one of cooling objects of core of water-cooling system.Therefore, the reasonability of thyristor and damping resistance fansink designs plays very important effect to the good operation of water-cooling system.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of integrated water cold heat sink based on damping resistance, the heat sinking function of thyristor and damping resistance is focused on water-filled radiator, have volume little, heat-sinking capability is strong, simple in structure, the features such as water capacity is large, and voltage endurance capability is strong.
In order to realize foregoing invention object, the present invention takes following technical scheme:
The invention provides a kind of integrated water cold heat sink based on damping resistance, described radiator comprises radiator body, thyristor and resistance, and described radiator body comprises radiator cavity, water inlet and the delivery port that aluminium matter panel, water channel and waterway wall form; Described thyristor is fitted in the surface of described aluminium matter panel, and described water inlet and delivery port are located at the bottom of described radiator body, and described radiator cavity is provided with two, and is positioned at the inside of described aluminium matter panel; Described resistance is arranged on described water channel.
Described water channel is two-sided spiral-shaped structure, and adopts aluminum material to make.
Described waterway wall is aluminium matter waterway wall, and its thickness is 5～10mm.
Described resistance comprises damping resistance and gets energy resistance; Described damping resistance is high voltage direct current transmission converter valve damping resistance, described in to get can resistance be that high voltage direct current transmission converter valve is with getting energy resistance.
Described damping resistance can be enclosed with respectively insulating barrier in resistance outside with getting, all by corresponding leading-out terminal connecting lead wire.
Described aluminium matter panel and radiator cavity adopt welding manner to fix.
Before die casting, following PROCESS FOR TREATMENT is done on the surface of described water channel:
1) carry out 110 order sandblasts;
2) electroplate, thickness of coating is 0.01mm.
The plating on described water channel surface adopts high temeperature chemistry nickel plating technology, and flow process is followed successively by: tab closure, and oil removing, descale, bright dipping, electroplate in intermediate layer, chemical nickel plating, passivation, dry, process annealing;
Coating technology parameter is as follows: thickness: 0.008mm; Case hardness: R45; Nickel content: 93%; Gloss: sub-light; Adhesion: thin slice cripping test is qualified.
Compared with prior art, beneficial effect of the present invention is:
1, by resistance, directly contacting with cooling water, is damping resistance heat radiation, and the heat simultaneously by aluminum panel and thyristor laminating, thyristor being produced takes in water system by cooling fluid;
2, by thyristor radiator and damping resistance are incorporated in an integral water-cooled radiator, saved extra-high voltage direct-current converter valve inside modules space, simplified internal structure, reduced converter valve cumulative volume, the minimizing of water swivel has simultaneously improved the reliability of water-cooling system;
3, by adopting directly cooling method of damping resistance, compare with the method for introducing before indirect cooling damping resistance, resistance cooling effect obtains largely and promotes;
4, by resistance being wrapped in to the mode of heat conductive insulating intracutaneous, save the design of the anticorrosion electrode of resistance, thereby reduced heat spreader structures complexity;
5, by adopting large raceway groove water route to dispel the heat, increased water capacity in radiator, improved the dry combustion method ability of damping resistance, extended the cutout time.
6,, by aluminium matter panel and radiator cavity welding, strengthened the water pressure resistance ability of resistance.
Accompanying drawing explanation
Fig. 1 is that in the embodiment of the present invention, the integrated water-cooling radiator based on damping resistance is looked schematic diagram;
Fig. 2 is the integrated water cold heat sink elevational schematic view based on damping resistance in the embodiment of the present invention;
Fig. 3 be in the embodiment of the present invention integrated water cold heat sink A based on damping resistance to generalized section;
Fig. 4 be in the embodiment of the present invention integrated water cold heat sink B based on damping resistance to generalized section;
Wherein, 1-radiator body, 2-leading-out terminal, 3-radiator cavity, 4-aluminium matter panel, 5-thyristor binding face, 6-water inlet, 7-delivery port, 8-water channel, 9-waterway wall, 10-gets energy resistance, 11-damping resistance.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As Fig. 1-Fig. 4, the invention provides a kind of integrated water cold heat sink based on damping resistance, described radiator comprises radiator body 1, thyristor and resistance, and described radiator body 1 comprises radiator cavity 3, water inlet 6 and the delivery port 7 that aluminium matter panel 4, water channel 8 and waterway wall 9 form; Described thyristor is fitted in the surface of described aluminium matter panel 4, and described water inlet 6 and delivery port 7 are located at the bottom of described radiator body 1, and described radiator cavity 3 is provided with two, and is positioned at the inside of described aluminium matter panel 4; Described resistance is arranged on described water channel 8.
Described water channel 8 is two-sided spiral-shaped structure, and adopts aluminum material to make.
Described waterway wall 9 is aluminium matter waterway wall, and its thickness is 5～10mm.
Described resistance comprises damping resistance 11 and gets energy resistance 10; Described damping resistance is high voltage direct current transmission converter valve damping resistance, described in to get can resistance be that high voltage direct current transmission converter valve is with getting energy resistance.
Described damping resistance 11 can be enclosed with respectively insulating barrier in resistance 10 outsides with getting, all by corresponding leading-out terminal 2 connecting lead wires.
Described aluminium matter panel 4 and radiator cavity 3 adopt welding manner to fix.
Before die casting, following PROCESS FOR TREATMENT is done on the surface of described water channel 8:
1) carry out 110 order sandblasts;
2) electroplate, thickness of coating is 0.01mm.
The plating on described water channel 8 surfaces adopts high temeperature chemistry nickel plating technology, and flow process is followed successively by: tab closure, and oil removing, descale, bright dipping, electroplate in intermediate layer, chemical nickel plating, passivation, dry, process annealing;
Coating technology parameter is as follows: thickness: 0.008mm; Case hardness: R45; Nickel content: 93%; Gloss: sub-light; Adhesion: thin slice cripping test is qualified.
Cooling water is entered after radiator body by water inlet, and minute two-way that can walk abreast enters the radiator cavity of radiator both sides, after the thyristor and the resistance wire in runner of cooling electric contact table top both sides, in outlet, converges outflow radiator body.The water channel of the two-sided spiral-shaped structure in radiator body, and the width that makes water channel is made as two times of waterway wall width, thereby strengthened water capacity, square and circular terminal has represented that respectively get can resistance and the point at the whole story of damping resistance, get can resistance and damping resistance all along water (flow) direction cloth in water channel.In this structure, water channel is streamlined, and all there is obvious radian in corner place, does not have lofty flex point, has reduced integrally-built water resistance, makes current unobstructed, and dead angle is few, is not easy to stop up.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present invention, and do not depart from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of claim scope of the present invention.
Claims (8)
1. the integrated water cold heat sink based on damping resistance, it is characterized in that: described radiator comprises radiator body, thyristor and resistance, described radiator body comprises radiator cavity, water inlet and the delivery port that aluminium matter panel, water channel and waterway wall form; Described thyristor is fitted in the surface of described aluminium matter panel, and described water inlet and delivery port are located at the bottom of described radiator body, and described radiator cavity is provided with two, and is positioned at the inside of described aluminium matter panel; Described resistance is arranged on described water channel.
2. the integrated water cold heat sink based on damping resistance according to claim 1, is characterized in that: described water channel is two-sided spiral-shaped structure, and adopts aluminum material to make.
3. the integrated water cold heat sink based on damping resistance according to claim 1, is characterized in that: described waterway wall is aluminium matter waterway wall, and its thickness is 5～10mm.
4. the integrated water cold heat sink based on damping resistance according to claim 1, is characterized in that: described resistance comprises damping resistance and gets energy resistance; Described damping resistance is high voltage direct current transmission converter valve damping resistance, described in to get can resistance be that high voltage direct current transmission converter valve is with getting energy resistance.
5. the integrated water cold heat sink based on damping resistance according to claim 4, is characterized in that: described damping resistance can be enclosed with respectively insulating barrier in resistance outside with getting, all by corresponding leading-out terminal connecting lead wire.
6. the integrated water cold heat sink based on damping resistance according to claim 1, is characterized in that: described aluminium matter panel and radiator cavity adopt welding manner to fix.
7. the integrated water cold heat sink based on damping resistance according to claim 2, is characterized in that: before die casting, following PROCESS FOR TREATMENT is done on the surface of described water channel:
1) carry out 110 order sandblasts;
2) electroplate, thickness of coating is 0.01mm.
8. the integrated water cold heat sink based on damping resistance according to claim 7, it is characterized in that: the plating on described water channel surface adopts high temeperature chemistry nickel plating technology, flow process is followed successively by: tab closure, oil removing, descale, bright dipping, electroplate in intermediate layer, chemical nickel plating, passivation, dry, process annealing;
Coating technology parameter is as follows: thickness: 0.008mm; Case hardness: R45; Nickel content: 93%; Gloss: sub-light; Adhesion: thin slice cripping test is qualified.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310556559.8A CN103617849B (en) | 2013-11-11 | 2013-11-11 | A kind of integrated water cold heat sink based on damping resistance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310556559.8A CN103617849B (en) | 2013-11-11 | 2013-11-11 | A kind of integrated water cold heat sink based on damping resistance |
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| CN103617849A true CN103617849A (en) | 2014-03-05 |
| CN103617849B CN103617849B (en) | 2016-08-31 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282642A (en) * | 2014-09-28 | 2015-01-14 | 国家电网公司 | Water-cooling heat dissipation device |
| CN104376940A (en) * | 2014-12-04 | 2015-02-25 | 国家电网公司 | Novel water-cooled resistor for high-voltage direct-current converter valve |
| CN108039811A (en) * | 2017-09-18 | 2018-05-15 | 全球能源互联网研究院有限公司 | Radiator and there is its power equipment |
| CN109192709A (en) * | 2018-07-31 | 2019-01-11 | 常州博瑞电力自动化设备有限公司 | A kind of thyristor radiator for taking into account stick resistive dissipation |
| CN111613593A (en) * | 2020-05-22 | 2020-09-01 | 西安西电电力系统有限公司 | Improved water-cooling radiator and thyristor converter valve |
| CN115482981A (en) * | 2021-06-16 | 2022-12-16 | 北京科益虹源光电技术有限公司 | Coiled liquid resistance device, radiator comprising same and case |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202261060U (en) * | 2011-09-22 | 2012-05-30 | 上海南泰整流器有限公司 | Water-cooling heat dissipation double-rectification module suitable for electric welding machine |
| CN203225144U (en) * | 2013-03-27 | 2013-10-02 | 广东福德电子有限公司 | High-efficiency water-cooling resistor with heat radiation rib |
| CN103354234A (en) * | 2013-06-26 | 2013-10-16 | 许继集团有限公司 | Thyristor converter valve assembly |
-
2013
- 2013-11-11 CN CN201310556559.8A patent/CN103617849B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202261060U (en) * | 2011-09-22 | 2012-05-30 | 上海南泰整流器有限公司 | Water-cooling heat dissipation double-rectification module suitable for electric welding machine |
| CN203225144U (en) * | 2013-03-27 | 2013-10-02 | 广东福德电子有限公司 | High-efficiency water-cooling resistor with heat radiation rib |
| CN103354234A (en) * | 2013-06-26 | 2013-10-16 | 许继集团有限公司 | Thyristor converter valve assembly |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282642A (en) * | 2014-09-28 | 2015-01-14 | 国家电网公司 | Water-cooling heat dissipation device |
| CN104282642B (en) * | 2014-09-28 | 2017-06-06 | 国家电网公司 | A kind of water-cooling heat radiating device |
| CN104376940A (en) * | 2014-12-04 | 2015-02-25 | 国家电网公司 | Novel water-cooled resistor for high-voltage direct-current converter valve |
| CN108039811A (en) * | 2017-09-18 | 2018-05-15 | 全球能源互联网研究院有限公司 | Radiator and there is its power equipment |
| CN109192709A (en) * | 2018-07-31 | 2019-01-11 | 常州博瑞电力自动化设备有限公司 | A kind of thyristor radiator for taking into account stick resistive dissipation |
| CN111613593A (en) * | 2020-05-22 | 2020-09-01 | 西安西电电力系统有限公司 | Improved water-cooling radiator and thyristor converter valve |
| CN115482981A (en) * | 2021-06-16 | 2022-12-16 | 北京科益虹源光电技术有限公司 | Coiled liquid resistance device, radiator comprising same and case |
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| Publication number | Publication date |
|---|---|
| CN103617849B (en) | 2016-08-31 |
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Effective date of registration: 20170526 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: China-EPRI Electric Power Engineering Co., Ltd. Patentee after: State Grid Corporation of China Co-patentee after: Electric Power Research Institute of State Grid Shandong Electric Power Company Co-patentee after: Xi'an Weite Electrical Appliance Equipment Co.,Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: State Grid Smart Grid Institute Patentee before: State Grid Corporation of China Co-patentee before: China-EPRI Electric Power Engineering Co., Ltd. Co-patentee before: Electric Power Research Institute of State Grid Shandong Electric Power Company Co-patentee before: Xi'an Weite Electrical Appliance Equipment Co.,Ltd. |