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    • 12. 发明申请
    • METHOD AND DEVICE FOR COOLING DISSIPATION HEAT PRODUCING ELECTRIC AND/OR ELECTRONIC ELEMENTS
    • 用于冷却制冷电热和/或电子元件的方法和装置
    • WO1980000511A1
    • 1980-03-20
    • PCT/CH1979000078
    • 1979-05-25
    • BBC BROWN BOVERI & CIEKLEIN E
    • BBC BROWN BOVERI & CIE
    • H01L23/42
    • H01L23/427F28B1/06H01L2924/0002H01L2924/00
    • To cool power semi-conductor elements such as current rectifiers, by means of a coolant circuit and a heat exchanger with forced ventilation, water and oil are generally used as primary coolant. However, these fluids have disadvantages, particularly a low insulating capacity with, as regards water, a practically inevitable contamination and a reduction of the insulating functions on the conductors outside the coolants resulting from the accumulation of dust at the oil leaking points. Other fluids, which are more appropriate, would require a non economical enlargement or the exchanger. To avoid these inconveniences, a secondary coolant liquid is used with an evaporator (6) through which passes the primary circuit which goes through the forced ventilated exchanger (3). Thus, part of the heat is dissipated by the exchanger and the remaining by the evaporator and the secondary circuit which avoids an enlargement of the exchanger when using a primary coolant particularly appropriate such as an inert type liquid. Appropriately, the condensor (11) of the secondary circuit is connected to the exchanger (3).
    • 为了冷却功率半导体元件如电流整流器,通过冷却剂回路和具有强制通风的热交换器,通常使用水和油作为主冷却剂。 然而,这些流体具有缺点,特别是对于水而言,具有几乎不可避免的污染物以及由于在漏油点处的灰尘积聚导致的冷却剂外部的导体上的绝缘功能的降低,具有低绝缘能力。 更合适的其它流体将需要非经济的扩大或交换器。 为了避免这些不便,二次冷却剂液体与蒸发器(6)一起使用,通过该蒸发器使通过强制通风换热器(3)的初级回路通过。 因此,部分热量由交换器消散,剩余部分由蒸发器和次级回路消除,当使用特别合适的主要冷却剂(如惰性型液体)时,避免了交换器的扩大。 适当地,次级电路的冷凝器(11)连接到交换器(3)。
    • 16. 发明申请
    • SCREENED OVERVOLTAGE SHUNTING DEVICE
    • 筛选过电压隔离器件
    • WO1981002812A1
    • 1981-10-01
    • PCT/CH1981000022
    • 1981-02-26
    • BBC BROWN BOVERI & CIEECKLIN G
    • BBC BROWN BOVERI & CIE
    • H01T05/04
    • H01T4/20
    • In an overvoltage shunting device enclosed in an electrically conductive, earthed housing (1), and comprising shunting elements (2) in the shape of stacked discs in at least one column and a protection and control body in order to obtain a linear distribution of the potential along the active part (3), it is possible to obtain with the aid of simple means, also in overvoltage shunting devices produced in small series, a good distribution of the electrical field. For this purpose, the protection and control body is composed of two electrically conductive layers (6) surrounding approximatively concentrically the active part (3) of the device, each one being electrically insulated from the others and wrapped in a body (5) of an insulating material. These layers are disposed parallel to the axis of the column of the active part (3) and shifted from one another at their opposite ends on the high voltage conductive side of the active part (3), so as to form a stair way on their internal side facing the active part (3). In such an overvoltage shunting device the linearisation of the voltage drop along the active part (3) is simply obtained and thus the device is not only characterized by its low production cost but also by its extreme compactness. To this must be added the possibility of partially resorting, for the production of such a device, to the technologies used for producing capacitor crossings.
    • 在封闭在导电接地壳体(1)中的过电压分流装置中,并且包括在至少一个列中的堆叠盘形状的分流元件(2)和保护和控制体,以便获得线性分布 沿着有源部分(3)的电位,可以借助简单的手段获得小型串联产生的过压分流装置,电场分布良好。 为此,保护和控制主体由两个近似同心地围绕该装置的有源部分(3)的导电层(6)组成,每个导电层(6)彼此电绝缘并缠绕在一个主体(5)中 绝缘材料。 这些层平行于有源部分(3)的列的轴线布置并且在其相对端在相对端部在有源部分(3)的高压导电侧上相互偏移,以便在其上形成阶梯 内侧面向活动部件(3)。 在这种过电压分流装置中,简单地获得沿着有源部分(3)的电压降的线性化,因此该装置的特征在于其低的生产成本,而且由于其极小的紧凑性。 为此,必须增加用于生产这种装置的部分用于生产电容器交叉点的技术的可能性。