An integrated switch assembly

A switch component and integrated technology, applied in the field of power electronics, can solve problems such as low intelligence and low integration, and achieve high intelligence, high integration, and significant effects

Active Publication Date: 2019-08-20
武汉天富海科技发展有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] Aiming at the defects of the prior art, the object of the present invention is to provide an integrated switch assembly, which integrates power devices, gate trigger control circuits, gate trigger pulse drive circuits, buffer protection circuits of power devices, temperature sensors and subsequent conversion Circuits, health state signal acquisition and level conversion circuits, etc., are reasonably and scientifically integrated into a complete intelligent power electronic switch component, aiming to overcome the low integration and low intelligence of power electronic switch components in the prior art technical issues

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0025] Because the vast majority of existing switch components used in high voltage and high current occasions either do not have a status signal for testing the temperature of their cold plate; Whether the switch component normally obtains the status signal of the control command that generates the trigger pulse; of course, although some do not set whether the response switch component normally obtains the status signal of the control command that generates the trigger pulse, but set the status of whether the trigger pulse of the response switch component is normal Signal. Aiming at the defects o...

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Abstract

The invention discloses an integrated switch assembly, which includes: a power device, a temperature sensing unit, a twisted pair and a processing unit; the temperature sensing unit is arranged on the cold plate of the power device with an insulating structure for obtaining the The temperature of the power device is converted into a current signal; the twisted pair connects the power device and the temperature sensing unit to the processing unit respectively, and is used to transmit the current signal to the processing unit; the processing unit obtains the current signal according to the current signal Cold plate temperature and trigger pulse signal of switch assembly. The invention integrates control, protection and health diagnosis, has high integration and strong intelligence, can not only reliably control the breaking action of the AC switch, but also obtain the health status of the AC switch itself in real time, and can reliably work in a strong electromagnetic field environment , it plays a very critical role in ensuring the health and safety of the AC switchgear.

Description

technical field [0001] The invention belongs to the technical field of power electronics, and more specifically relates to an integrated switch assembly. Background technique [0002] At present, power electronic systems are developing towards high voltage, high current, integration, and intelligence. This is not only to solve the current situation of labor-intensive and technology-intensive power electronics technology, but also to maximize the application of large-capacity power electronic devices. potential, and successfully solved the technical problems of reliable, safe and healthy work of large-capacity power conversion devices in the project. Especially the current high-power power electronic devices represented by SCR (phase-controlled thyristor), IGBT (insulated gate bipolar transistor), IGCT (integrated gate commutated thyristor), etc., replace traditional vacuum switches, gas switches and liquid switches , to construct a large-capacity AC switch, which is widely ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/042G01K13/00
CPCG05B19/0423G01K13/00
Inventor 屈碧环
Owner 武汉天富海科技发展有限公司
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