CN101630675B - High pressure and high power series thyristor self-cold and hot pipe radiator unit and method therefor - Google Patents
High pressure and high power series thyristor self-cold and hot pipe radiator unit and method therefor Download PDFInfo
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- CN101630675B CN101630675B CN2009100892008A CN200910089200A CN101630675B CN 101630675 B CN101630675 B CN 101630675B CN 2009100892008 A CN2009100892008 A CN 2009100892008A CN 200910089200 A CN200910089200 A CN 200910089200A CN 101630675 B CN101630675 B CN 101630675B
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- thyristor
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- 238000000034 method Methods 0.000 title abstract 2
- 238000009413 insulation Methods 0.000 claims abstract description 44
- 239000004593 Epoxy Substances 0.000 claims abstract description 29
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims description 13
- 238000002788 crimping Methods 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 7
- 230000005684 electric field Effects 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000005855 radiation Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The invention relates to a high pressure and high power series thyristor self-cold and hot pipe radiator unit; a hot pipe radiator is connected with a thyristor in series as well as in press connection with the thyristor in sequence; the upper and the lower parts of the hot pipe radiator are fixed by high pressure resistant epoxy insulation boards; an end aluminium alloy metal block, an ejector screw rod and a laminated spring are used for leading a thyristor valve to be pressed and connected in series with proper force; meanwhile, high voltage distribution and insulation property are considered in a whole, so that the insulation problem caused in the process that the thyristor is closely connected and pressed with the hot pipe radiator in series can be solved. The invention has the advantages of compact structure, high heat dissipation efficiency, high pressure resistance, no need of maintenance, convenient combination, integral modularized assembly, etc.
Description
Technical field
The present invention relates to power semiconductor, power electronics and heat transfer and heat radiation field, be specifically related to a kind of high pressure and high power series thyristor self-cold and hot pipe radiator group.
Background technology
More and more widely at present in the application of electric and electronic technical field high-voltage large-capacity power conversion technology; Line voltage distribution height and power electronic element is withstand voltage low relatively, many occasions need adopt the series-parallel measure of device to satisfy electric public service and the industrial quarters user requirement to the Power Processing capacity of thyristor valve.The valve device that is composed in series by thyristor is widely used in fields such as static reactive, high-power DC power supply and high-voltage frequency conversion and speed-adjustings, and its element radiating mainly adopts the mode of water-cooling system and heat-pipe radiator cooling.
Heat-pipe radiator has very high capacity of heat transmission; Can transmit the heat of several magnitude under the identical weight than silver, copper, aluminium more, the heat-pipe radiator outstanding feature is that heat-transfer capability is strong, the samming ability is good, heat density is variable, no additional equipment, reliable operation, simple in structure, in light weight, need not safeguard.
The thyristor self-cold and hot pipe radiator is the high efficiency and heat radiation device that is applied to a kind of advanced person in the power electronic equipment.Traditional heat-pipe radiator weight is bigger, and what add this radiator employing is expensive copper material and aluminium of price, and adding series thermal pipes radiator quantity is the twice of thyristor element, and quantity is many, makes that the cost of radiator is higher.Along with power electronic equipment constantly develops to the high-tension high-power direction; Thyristor and heat-pipe radiator series connection application are had higher requirement; Simultaneously whole cascaded structure mode develops towards light and handy, convenient direction, require compact equipment, in light weight, volume is little.
Summary of the invention
To above-mentioned technical problem, the objective of the invention is to propose a kind of radiating efficiency height, good reliability, high-power thyristor that cost is low is used cooling system.
For realizing above-mentioned purpose; A kind of series thyristor self-cold and hot pipe radiator group of the present invention; Comprise: the individual thyristor of n (n >=2) 1, a n+1 heat-pipe radiator 2, the insulation foundry goods 3 that has the cluster parachute that insulate, top-pressure mechanism 4, high-purity epoxy insulating board 5, two termination Al-alloy metal pieces 6, insulating barrier 7 and heat pipe radiator base plates 8; It is characterized in that said thyristor 1 is connected with heat-pipe radiator 2 mutual transpostion intervals is placed between two said high-purity epoxy insulating boards 5, and the thickness of the epoxy insulating board 5 of said series thyristor 1 and heat-pipe radiator group 2 downsides is greater than the epoxy insulating board 5 of upside; Upper and lower side at heat pipe radiator base plate 8 all is fixed with the said insulation foundry goods 3 that has the cluster parachute that insulate, and its effect is the insulation creep distance that increases straight epoxy insulating board between thyristor, and the insulation voltage grade is increased to the thyristor withstand voltage level; Said top-pressure mechanism 4 is made up of roof pressure screw rod, folded spring, nut and briquetting; Be used for series connection crimping to thyristor 1 and heat-pipe radiator 2; Under the effect of said top-pressure mechanism 4, make thyristor 1 and the heat-pipe radiator 2 of series connection move along the epoxy insulating board 5 of both sides up and down, the effect through roof pressure screw rod and folded spring is crimped onto suitable dynamics with thyristor 1 and heat-pipe radiator 2 strings; Two ends of said series thyristor 1 and heat-pipe radiator group 2 are fixed with two Al-alloy metal pieces 6; The position that is used for fixing good series thyristor 1 of debugging and heat-pipe radiator 2; The crimp stroke of control top-pressure mechanism 4 pairs of series thyristors 1 and heat-pipe radiator 2; Each parts that make radiator are fixed-site in use, and occurrence positions does not move; Be provided with said insulating barrier 7 between two heat-pipe radiators 2, be used to improve the insulation between two heat-pipe radiators 2, improve the distribution character of high voltage electric field.
Wherein, The thickness of the said series thyristor 1 and the epoxy insulating board 5 of heat-pipe radiator group 2 downsides and upside is relevant with the quantity and the total weight of heat-pipe radiator according to series thyristor; The amount of deflection design is within 1mm; To guarantee the concentricity of crimping thyristor, reduced thyristor as much as possible with the contact heat resistance between the heat pipe radiator base plate table top.
Wherein, Have the groove 9 that can hold high-purity epoxy insulating board 5 on the insulation foundry goods 3 of said tape insulation cluster parachute; The direction and the position that are used for fixing heat-pipe radiator 2 and high-purity epoxy insulating board 5; Said insulation foundry goods 3 also plays the effect of the insulation creep distance that improves said high-purity epoxy insulating board 5 simultaneously, and the insulation voltage grade is increased to the withstand voltage level of thyristor.
The invention has the beneficial effects as follows: the connected mode integral body of said high-pressure series thyristor self-cold and hot pipe radiator group has considered that high voltage electric field distributes and insulation characterisitic; Efficiently solve the High-Voltage Insulation problem of thyristor when closely connecting crimping with heat-pipe radiator; The heat-pipe radiator that the present invention adopts is with the thyristor crimping mode of connecting at interval, has compact conformation, characteristics that radiating efficiency is high, high pressure resistant, non-maintaining, easy to assembly.
1. compact conformation, two radiators of volume ratio press-fit a thyristor element and then the structure of series connection is little indirectly, conserve space.
2. saving cost, the total weight of heat-pipe radiator comparatively speaking simple in structure is light, and manufacturing cost is cheap relatively, and adopts this structure to press the structure of a thyristor element to practice thrift copper busbar row than two radiators, practices thrift the accessory cost.
3. whole thyristor series thermal pipes radiator radiating efficiency and heat radiation power under equal in quality is higher.
4. withstand voltage higher relatively, the high voltage withstanding performance of this cascaded structure depends on the withstand voltage properties of individual layer thyristor self, can not reduce the withstand voltage properties between the individual layer thyristor because the thyristor string presses heat-pipe radiator.
5. the series connection crimp force is adjustable, to be suitable for the crimping of different model thyristor.
6. cross-over block is replaceable, to be suitable for the needs of different electric pressure insulation creep distances.
Description of drawings
Fig. 1 is the end view according to series thyristor self-cold and hot pipe radiator group of the present invention;
Fig. 2 is the front view according to series thyristor self-cold and hot pipe radiator group of the present invention;
Fig. 3 is the three-dimensional view according to series thyristor self-cold and hot pipe radiator group of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is carried out detailed description.
In the thyristor 1 of series connection; Adopt heat-pipe radiator to connect with connect the at interval mode of crimping of thyristor; It is characterized in that compact overall structure; The attached High-Voltage Insulation crimp that relates to comprises: the insulating barrier 7 between high-purity epoxy insulating board 5, termination Al-alloy metal piece 6, the insulation foundry goods 3 that is fixed on tape insulation cluster parachute on the heat-pipe radiator 2, top-pressure mechanism 4, two heat-pipe radiators 2; Said structure has guaranteed crimp force and the crimping concentricity that different model thyristor series connection crimping is fit to; Thyristor has been dropped to reduced levels with the contact heat resistance of heat pipe radiator base plate 8, and the whole high insulation characterisitic when having guaranteed simultaneously that the high-pressure series thyristor is original and turn-offing is not affected because of the introducing of heat-pipe radiator 2 and attached High-Voltage Insulation crimp.
The upper and lower side of heat pipe radiator base plate 8 all is fixed with the insulation foundry goods 3 of tape insulation cluster parachute; Closely be connected with heat-pipe radiator 2; Have the groove 9 that can hold epoxy insulating board 5 on the insulation foundry goods 3 of tape insulation cluster parachute; Play the direction of stationary heat tube radiator 2 and the effect of position, simultaneously said insulation foundry goods 3 increases the effect of the insulation creep distance of 1 straight epoxy insulating board 5 of thyristor, and the insulation voltage grade is increased to the thyristor withstand voltage level.
The present invention has taked following design: thyristor quantity is n (n >=2); The quantity of then required series thermal pipes radiator is n+1, as its series connection press-fit attachment also have high-purity epoxy insulating board, termination Al-alloy metal piece, the insulating barrier that is fixed between insulation foundry goods, top-pressure mechanism and the heat-pipe radiator of tape insulation cluster parachute on the heat-pipe radiator constitutes.
Said two-sided heat radiation thyristor 1 quantity is n (n >=2), with quantity be the heat-pipe radiator 2 of n+1, the series connection be placed between two high-purity epoxy insulating boards 5; Downside in series thyristor and heat-pipe radiator group; Said epoxy insulating board 5 is thicker relatively; Its thickness is relevant with the quantity and the total weight of heat-pipe radiator according to series thyristor; The design amount of deflection to guarantee the concentricity of crimping thyristor, has reduced thyristor with the contact heat resistance between the heat pipe radiator base plate table top as much as possible within 1mm; All be fixed with the said insulation foundry goods 3 that has the cluster parachute that insulate at the heat pipe radiator base plate upper and lower sides, play the effect that increases the insulation creep distance of straight epoxy insulating board between thyristor, the insulation voltage grade is increased to the thyristor withstand voltage level; Said top-pressure mechanism 4 is made up of roof pressure screw rod, folded spring, nut and briquetting; Completion is to the crimping of thyristor and heat-pipe radiator; Under the effect of said top-pressure mechanism 4, make series thyristor and heat-pipe radiator move, thyristor valve string is crimped onto suitable dynamics through roof pressure screw rod and folded spring along said epoxy insulating board 5; The termination is fixed with said Al-alloy metal piece 6, plays the fixedly effect of thyristor and heat-pipe radiator position, control crimp stroke; Said insulating barrier 7 is arranged between the heat-pipe radiator, be used for improving the insulation between the radiator, improve the distribution character of high voltage electric field.
Invention has been described according to specific exemplary embodiment here.It will be conspicuous under not departing from the scope of the present invention, carrying out suitable replacement to one skilled in the art or revise.Exemplary embodiment only is illustrative, rather than to the restriction of scope of the present invention, scope of the present invention is by appended claim definition.
Claims (3)
1. series thyristor self-cold and hot pipe radiator group; Comprise: n thyristor (1), a n+1 heat-pipe radiator (2), the insulation foundry goods (3) that has the cluster parachute that insulate, top-pressure mechanism (4), high-purity epoxy insulating board (5), two termination Al-alloy metal pieces (6), insulating barrier (7) and heat pipe radiator base plate (8); N >=2 wherein; It is characterized in that said thyristor (1) and heat-pipe radiator (2) each other transpostion interval connect and is placed between two said high-purity epoxy insulating boards (5), the thickness of the thyristor (1) of said series connection setting and the epoxy insulating board (5) of heat-pipe radiator group (2) downside is greater than the epoxy insulating board (5) of upside; Upper and lower side at heat pipe radiator base plate (8) all is fixed with the said insulation foundry goods (3) that has the cluster parachute that insulate, and its effect is the insulation creep distance that increases straight epoxy insulating board between thyristor, and the insulation voltage grade is increased to the thyristor withstand voltage level; Said top-pressure mechanism (4) is made up of roof pressure screw rod, folded spring, nut and briquetting; Be used for series connection crimping to thyristor (1) and heat-pipe radiator (2); Under the effect of said top-pressure mechanism (4), make thyristor (1) and the heat-pipe radiator (2) of series connection move along the epoxy insulating board (5) of both sides up and down, the effect through roof pressure screw rod and folded spring is gone here and there the suitable dynamics that is crimped onto with thyristor (1) and heat-pipe radiator (2); Two ends of said series thyristor (1) and heat-pipe radiator group (2) are fixed with two termination Al-alloy metal pieces (6); Be used for fixing the good series thyristor (1) of debugging and the position of heat-pipe radiator (2); Control top-pressure mechanism (4) is to the crimp stroke of series thyristor (1) and heat-pipe radiator (2); Each parts that make radiator are fixed-site in use, and occurrence positions does not move; Be provided with said insulating barrier (7) between two heat-pipe radiators (2), be used to improve the insulation between two heat-pipe radiators (2), improve the distribution character of high voltage electric field.
2. series thyristor self-cold and hot pipe radiator group as claimed in claim 1; The thickness of epoxy insulating board (5) that it is characterized in that said series thyristor (1) and heat-pipe radiator group (2) downside and upside is relevant with the quantity and the total weight of heat-pipe radiator with series thyristor; The amount of deflection design is within 1mm; To guarantee the concentricity of crimping thyristor, reduced thyristor as much as possible with the contact heat resistance between the heat pipe radiator base plate table top.
3. according to claim 1 or claim 2 series thyristor self-cold and hot pipe radiator group; It is characterized in that having the groove (9) that can hold high-purity epoxy insulating board (5) on the insulation foundry goods (3) of said tape insulation cluster parachute; The direction and the position that are used for fixing heat-pipe radiator (2) and high-purity epoxy insulating board (5); Said insulation foundry goods (3) also plays the effect of the insulation creep distance that improves said high-purity epoxy insulating board (5) simultaneously, and the insulation voltage grade is increased to the withstand voltage level of thyristor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100892008A CN101630675B (en) | 2009-08-06 | 2009-08-06 | High pressure and high power series thyristor self-cold and hot pipe radiator unit and method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100892008A CN101630675B (en) | 2009-08-06 | 2009-08-06 | High pressure and high power series thyristor self-cold and hot pipe radiator unit and method therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101630675A CN101630675A (en) | 2010-01-20 |
| CN101630675B true CN101630675B (en) | 2012-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100892008A Active CN101630675B (en) | 2009-08-06 | 2009-08-06 | High pressure and high power series thyristor self-cold and hot pipe radiator unit and method therefor |
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| CN (1) | CN101630675B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290385B (en) * | 2011-09-20 | 2012-12-26 | 北京金自天正智能控制股份有限公司 | Water-cooling radiator for gate turn-off thyristor |
| CN105140195B (en) * | 2015-07-31 | 2018-12-25 | 大力电工襄阳股份有限公司 | A kind of series-parallel crimping structure of thyristor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2500014Y (en) * | 2001-07-17 | 2002-07-10 | 鞍山荣信电力电子股份有限公司 | Self cooling type thyrister cut-in and cut-off capacitor device |
| CN1753181A (en) * | 2005-09-13 | 2006-03-29 | 中国电力科学研究院 | Prossure fixing mechanism of series thyristor valve set |
| CN101188228A (en) * | 2007-12-19 | 2008-05-28 | 中国电力科学研究院 | Transistor tube valve with force top pressing structure |
-
2009
- 2009-08-06 CN CN2009100892008A patent/CN101630675B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2500014Y (en) * | 2001-07-17 | 2002-07-10 | 鞍山荣信电力电子股份有限公司 | Self cooling type thyrister cut-in and cut-off capacitor device |
| CN1753181A (en) * | 2005-09-13 | 2006-03-29 | 中国电力科学研究院 | Prossure fixing mechanism of series thyristor valve set |
| CN101188228A (en) * | 2007-12-19 | 2008-05-28 | 中国电力科学研究院 | Transistor tube valve with force top pressing structure |
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| CN101630675A (en) | 2010-01-20 |
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Owner name: CHINA ELECTRIC POWER RESEARCH INSTITUTE STATE ELEC Free format text: FORMER OWNER: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20130129 |
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Effective date of registration: 20130129 Address after: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Chinese Electric Power Research Institute Patentee after: China Electric Prime Technology Co., Ltd. Patentee after: China Electric Power Research Institute Patentee after: State Grid Corporation of China Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Chinese Electric Power Research Institute Patentee before: China Electric Prime Technology Co., Ltd. Patentee before: China Electric Power Research Institute |