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Switching device with two controlled phases

A switchgear and phase technology, which is applied in the direction of electric switches, electrical equipment structural parts, electrical components, etc., can solve structural troubles and other problems, and achieve the effect of simple wiring and clear later wiring

Active Publication Date: 2008-12-31
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This type of construction is very laborious and requires additional connections and insulation

Method used

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  • Switching device with two controlled phases
  • Switching device with two controlled phases

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Embodiment Construction

[0024] 1 and 2 show a switching device 2 with three phases 4a-4c in the viewing direction of the arrows I, II, which each have an input 6a-6c and an output 8a-8c, and are there connected via a terminal block 10 can be connected to a power source (not shown) on the side 7 of the switching device 2 or to an electrical load on the side 9 . Phases 4a, 4b are switched or controlled phases. The relevant terminal 10 thus leads to a planar component 12a, 12b, which accordingly influences the voltage and current supplied at the input 6a, 6b in order to supply it to the output 8a, 8b in a controlled manner. place. Phase 4c is not connected, and here input 6c is connected through-through to output 8c by a continuous conductor track 14 (for example a simple stamped part). Due to the symmetrical structure of the planar components 12a, 12b, only two terminal clips 10 of type KI and KII are required.

[0025] A semiconductor 16a, 16b is arranged on each planar component 12a, 12b in the fo...

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Abstract

The present invention relates to a switching device (2) with two controlled phases (4a, 4b). In the switching device, each phase (4a, 4b) is corresponding to each flat component (12a, 12b), each flat component has at least one component (16a, 16b) to be cooled on a cooling body (18) which has a T-shaped cross section transverse to the extension direction (20). The flat components are arranged on two sides (28a, 29b) of a middle limb (26) of the cooling body (18), wherein, the components (16a, 16b) of the flat components (12a, 12b) face each other and respectively press against one side (28a, 29b) of the middle limb (26).

Description

technical field [0001] The invention relates to a switching device with two controlled phases. Background technique [0002] Electronic switching devices are often used in series before electrical loads, for example three-pole motor loads. In this case, switching devices of this type have three or only two phases which are actually switched on (that is to say controlled). In this case, a switching device with two switched phases is a technically economical choice and is therefore widely favored on the market. [0003] In an electronic switch, each controlled phase for the electronic switching device is switched by at least one element, usually a power semiconductor. Components of this type generate often noticeable heat losses, which have to be dissipated by cooling bodies. In addition, in many applications it is expedient or known that components or power semiconductors are bridged via mechanical switching devices in their permanently connected ON state, so that the curr...

Claims

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Application Information

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IPC IPC(8): H01H9/52
CPCH05K7/209H01H9/24H01L23/34H01L2023/405
Inventor 马库斯·迈尔约翰·塞茨
Owner SIEMENS AG
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