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Electronic components and cooling methods

A technology for cooling fluid and electronic equipment, which is applied in the direction of electrical equipment structural parts, electrical components, electrical solid devices, etc., and can solve problems such as danger, insufficient cooling, and inability to cool

Active Publication Date: 2021-12-21
EATON INTELLIGENT POWER LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, it has been established that the cooling fluid supply devices known hitherto in practice do not provide cooling or at least insufficient cooling, for example in the event of leaks in the cooling fluid circuit, high temperatures in the housing of the device and simultaneous evaporation of the coolant, and the like.
Furthermore, operating the device at excessively high temperatures right in the area at risk of explosion can lead to a hazardous

Method used

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  • Electronic components and cooling methods
  • Electronic components and cooling methods
  • Electronic components and cooling methods

Examples

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Embodiment Construction

[0046] figure 1 A top view of an electrical / electronic device 1 according to the invention is shown. The device is shown as a high power luminaire 8 with at least one high power LED 26, denoted H-LED in the following. The luminaire has a housing 2 which, in the illustration shown, is substantially square, wherein other housing shapes are also possible. Inside the housing an H-LED 26 is arranged. A cooling fluid supply 3 is assigned to the H-LED and in particular also to the housing 2 . The cooling fluid supply 4 and the cooling fluid discharge 5 are shown here only in the form of pipe connections at the diagonally opposite ends of the housing. The cooling fluid supply device and the cooling fluid discharge device are connected outside the housing with other housings and with other parts of the cooling fluid supply device 3 . The cooling fluid supply device can for example also have a heat exchanger 23, cf. image 3 .

[0047] Inside the housing, a corresponding cooling f...

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Abstract

The invention relates to an electrical / electronic device, such as a high-power luminaire, a switching device, a control device, a transformer, a signaling device, a display device or the like, with a housing (2) and at least one arranged in said housing or A cooling fluid supply (3) assigned to the housing. The cooling fluid supply has a cooling fluid feed and a cooling fluid discharge on the housing and a cooling fluid guide in the housing. In order to improve such devices in such a way that effective cooling is achieved with a compact and market-competitive design and at the same time a safe operation of the device, especially even in areas at risk of explosion, at least a safety switch is assigned to the cooling fluid inflow device Means for interrupting the supply of cooling fluid, in particular when a pressure drop occurs in said cooling fluid. Furthermore, the invention also relates to a corresponding method.

Description

technical field [0001] The invention relates to an electrical or electronic device, such as a high-power lamp, a switching device, a control device, a transformer, a signaling device, a display device or the like. Background technique [0002] Like other compact electronic components, such devices generate heat, which must be dissipated in order to avoid damage to the corresponding components and in particular to increase the service life of the components. In Ex areas, there are additional requirements on such devices, such as limiting the surface temperature or reliably controlling sparks to avoid explosions, for example. [0003] That said, cooling is crucial for the respective devices. Such cooling has hitherto been carried out, for example, by passive cooling devices, such as cooling bodies with corresponding cooling fins or the like, or also by active cooling, such as fluid cooling, for example, in particular with corresponding liquids. For this type of fluid cooling...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K7/20F21V29/51F21V29/56F21V29/52H01L23/427H01L23/473H01L33/64
CPCH01L23/473H01L33/648H05K7/20272F21V29/52F21V29/83F21V25/12F21V29/58F21Y2115/10F21V29/56H05K5/0213H05K7/20209H05K7/20327
Inventor B·施瓦茨
Owner EATON INTELLIGENT POWER LTD
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