• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    1. A process for cooling electric components by means of a gas and a cooling body having at least one outer surface intended for heat-conducting connection to the components to be cooled, wherein the gas flows in closed cooling channels formed by slots extending between cooling fins arranged at right angles to the outer surface, from inlet openings to outlet openings, characterised in that from the inlet openings, the cross-section of the slots increases, and that the gas is fed to the inlet openings (1d) under pressure and is expanded on flowing through the slots (1f) from the inlet openings (1d) to the outlet openings (1e).
    公开号:SU976865A3
    申请号:SU792740663
    申请日:1979-03-20
    公开日:1982-11-23
    发明作者:Вебер Юрген；Шаланки Тибор；Шербаум Фридрих；Хангс Вернер
    申请人:Сименс Аг (Фирма)；
    IPC主号:
    专利说明:

    A part of each closed cooling channel, adjacent to its inlet, has a constant cross-section, and its part is adjacent. The conduit to its outlet has an increasing cross section. The ribs of the ohlaiodeni are fan-shaped. Closed cooling channels in the form of slots in the base. The grooves are made conical. FIG. 1 shows a radiator with a parallel arrangement of ribs, a general view; in fig. 2 is a section A-A in FIG. 1 in FIG. 3 is a section BB in FIG. 2; in fig. 4 - radiator with fan-shaped cooling ribs, general view; in fig. 5 is a sectional view BB in FIG. four; in fig. 6 is a view of FIG. five; in fig. 7 shows a radiator with cooling channels in the form of grooves at the base of a conical shape ;, in FIG. 8 is a section DD in FIG. 7. The radiator contains base 1 with a surface and is located. parallel to each other and serving to connect to cooling, electrical circuit components 2, for example disk thyristors, which are connected by their other cooling surface to another identical one. radiator 3, cooling fins 4 | between the skins, there are closed cooling channels 5 with inlet openings 6, for example in the form of grooves, and outlet openings 7. The said radiator is intended for forced cooling. Cooling gas under high pressure enters the inlets 6 of the closed cooling channels 5 and exits through the outlets 7. The thickness of the cooling ribs 4 decreases from the inlets 6 to the outlets 7, i.e. the cooling ribs 4 are filled with a variable cross section, installed parallel to each other, the part N of each cooling channel 5 adjacent to its inlet has a constant cross section, and its part is adjacent to the keg end
    The opening 7 has an increasing cross-section, and the variable cross-section of the cooling fins 4, respectively, has a different nature of application in the area M: in the region N, the cross section. the cross-section of the cooling fins 4 is also potozoannaya, and decreases in the region of X-ray, because the closed cooling channels
    When the cooling gas leaves the radiator due to unexpected expansion, a strong noise occurs, and in the proposed radiator, due to the angle of the directional expansion of the gas inside the base 1, the noise increases slightly.
    权利要求:
    Claims (6)
    [1]
    The radiator can be made of several parts by soldering. Or formed by cooling fins 4, the indicated area Y serves as a calm zone for the incoming pressure and flow of gas across the section of the closed cooling channels 5 to equalize. In the area M, the transverse the cross section of the cooling channel 5, and the cross section of the cooling ribs 4 is reduced, thereby creating a large increase in the cross section of the outlet openings 7. Therefore, entering the region M under high pressure & The gas has an expansion potential and its temperature without heat supply may decrease according to the pressure ratio. The heat absorption of the coolant (gas), and hence the heat removal from the radiator, increases, therefore, due to the large temperature difference between the radiator and the expanded gas. In conventional radiators with a constant cross section of the cooling channels, the expansion and therefore gas cooling occurs only when the gas leaves the radiator and therefore no longer contributes to the cooling of the radiator. An increase in the cross section of the cooling channels 5 can be selected. The cooling caused by the expansion of the gas compensated for the heat from the heat removal from the base 1 of the radiator. The outlet gas temperature is approximately equal to the inlet temperature. This provides for the subsequent flow around other electrical circuit components 2, for example control units and mounting units, the same sufficiently low temperature at the inlet and outlet of the cooling channels is necessary. The corresponding cross-sectional configuration of the cooling channels 5 and its characteristic increase (application) achieve the most optimal heat transfer of the fins 4 cooling & depending on the change in the value of thermal conductivity inside the base 1 of the radiator along the direction of the flow of cooling gas. In conventional radiators operating with a high-pressure cooling gas from one single piece using electrothermal methods of erosion or by pouring psi with pressure. Pa / donator has nozzles 8 and 9, serving respectively for the supply and removal of cooling gas from its base 1. The cooling fins 4 can be fan-shaped, thus forming closed cooling channels 5 with outlets 7 and inlets 6, the outlets 7 coming out into the nozzle 9, and the inlets 6 communicating with the nozzle. The working surfaces and C are made with grooved inner surfaces, in which fan-shaped cooling fins 4 are installed. The ribs can also be pressed into the base elements 1. In this case, the cooling gas passes through the radiator through the cooling channels 5 from their inlet openings 6 to their outlet openings 7 as the width of the cooling channels 5 increases from their inlet openings 6 to their outlet openings therefore, their cross section increases, therefore, for the indicated reasons, an increase in the cooling efficiency and a decrease in the background noise occur. Lines 8 and 9 serve to direct the flow of cooling gas. With their help, gas is supplied and removed from the base 1 of the radiator. In order to increase the uniformity of the access of the cooling gas to the cooling channels 5, the edges of the cooling fins 4 on the side of the nozzle 8 and the outlet openings 6 are arranged along an arc of a circle so that a uniform entrance distance between the cooling ribs 4 located relative to each other occurs. The cooling fins 4 protrude above the inlets 6 in the direction of entry of the cooling gas. The cooling channels 5 are made in the form of grooves in the base 1 of the radiator. The grooves may be tapered. The invention makes it possible to efficiently cool the noises that appear during the operation. The radiator etsay design can be used with 65 cooling high-voltage installations. For example, air or SF6 gas (hexafluoric sulfur) can be used as a gas. Claim 1. Radiator for cooling gas under pressure of electrical circuit components, comprising a base with working surfaces for connection with cooled electrical circuit components, closed cooling and cooling channels with inlet and outlet openings formed by cooling fins that are located between the working surfaces base, about t and h and y and so that, in order to increase cooling efficiency, the closed cooling channels are made with increasing cross sections from their inlets to their outlets
    [2]
    2. The radiator as claimed in claim 1, wherein the cooling fins are made of variable transverse c & are installed in parallel with each other and perpendicular to at least one of the working surfaces of the bases.
    [3]
    3. The radiator according to claim 1, which also means that a part of each closed cooling channel, adjacent to its inlet, has a constant cross section, and a part adjacent to its outlet orifice has an increasing cross section.
    [4]
    4. The radiator according to claim 1, in accordance with the fact that the ribs of the ohlam of the day are fan-shaped.
    [5]
    5. The noji radiator, p. 1-4, is the fact that the closed cooling channels are made in the form of slots in the base.
    [6]
    6. Radiator according to claim, ji ,. 1 - 5, about tl and -. due to the fact that the grooves are made conical. Sources of information taken into account in the examination 1. Patent of Germany No. 2530017, cl, H O1 L 23/36, 1970 (prototype).
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    类似技术:
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    同族专利:
    公开号 | 公开日
    CA1130431A|1982-08-24|
    EP0004333A3|1979-10-17|
    JPS54130881A|1979-10-11|
    EP0004333B1|1981-11-25|
    EP0004333A2|1979-10-03|
    DE2961395D1|1982-01-28|
    DE2812334A1|1979-09-27|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US2909714A|1957-05-27|1959-10-20|Int Rectifier Corp|Hermetically sealed rectifier|
    US3592260A|1969-12-05|1971-07-13|Espey Mfg & Electronics Corp|Heat exchanger with inner guide strip|CH654694A5|1981-09-01|1986-02-28|Bbc Brown Boveri & Cie|Method for cooling semiconductor elements and radiator for implementing the procedure.|
    JPS59158337U|1983-04-08|1984-10-24|
    JP2592308B2|1988-09-30|1997-03-19|株式会社日立製作所|Semiconductor package and computer using the same|
    JPH03257953A|1990-03-08|1991-11-18|Nobuo Mikoshiba|Semiconductor device|
    DE10306227B4|2003-02-13|2009-01-02|Sew-Eurodrive Gmbh & Co. Kg|Power module and inverter|
    CN104823278B|2012-10-01|2019-04-23|福斯德物理学有限责任公司|For temperature controlled device and method|
    DE202013104990U1|2013-11-06|2015-02-09|Akg Thermotechnik International Gmbh & Co. Kg|heatsink|
    CN106839852A|2017-01-22|2017-06-13|上海交通大学|A kind of radiator with high performance and its fin method for arranging|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE19782812334|DE2812334A1|1978-03-21|1978-03-21|HEAT SINK FOR ELECTRICAL COMPONENTS|
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