Ultrafast recovery switch module

A switch module, ultra-fast technology, applied in the direction of irreversible AC power input conversion to DC power output, etc., can solve problems such as low reliability, high noise, grid pollution, etc., to improve reliability and service life, reduce manufacturing cost, the effect of reducing the starting current

Inactive Publication Date: 2010-09-01
陈兴忠
View PDF6 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this solution is that the switch is easily damaged due to frequent actions, the overall reliability is not high, and the rectifier module is large in size, so it cannot be used in many places with limited space, and it does not meet the development requirements of electronic control miniaturization.
[0005] The third scheme is a half-controlled bridge power supply scheme composed of three d

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Ultrafast recovery switch module
  • Ultrafast recovery switch module
  • Ultrafast recovery switch module

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach

[0018] An ultra-fast recovery switch module is characterized in that: it includes a red copper base plate 1, an aluminum nitride ceramic copper clad plate 2, a three-phase bridge rectifier switch circuit, three AC terminals 5, two DC terminals 6, internal electrodes 7. Aluminum wire 8, elastic silicone gel layer 9, epoxy resin layer 10 and plastic casing 11. The three-phase bridge rectifier switch circuit is formed by connecting a three-phase bridge rectifier circuit and a thyristor chip 4 in series. The phase bridge rectifier circuit is composed of six ultra-fast recovery diode chips 3 connected, that is, six ultra-fast recovery diode chips 3 are connected to form a parallel rectifier circuit after two pairs are connected in series in the same direction. The ultra-fast recovery diode chips FD1 and FD4 are connected in series, and The fast recovery diode chip FD2 is connected in series with FD5, the ultra-fast recovery diode chip FD3 is connected in series with FD6, and the thy...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to an ultrafast recovery switch module which comprises a three-phase bridge rectification switching circuit, wherein the three-phase bridge rectification switching circuit is formed by serially connecting a three-phase bridge rectification circuit with a thyristor chip, the three-phase bridge rectification circuit is formed by connecting six ultrafast recovery diode chips, and the thyristor chips are connected in series with the anode output end of the bridge rectification circuit; all the elements in the three-phase bridge rectification switching circuit are connected in a bonding mode by aluminium wire leads, and the three-phase bridge rectification switching circuit is packaged between a plastic shell and a red copper soleplate through an elastic silica gel layer and an epoxy resin layer. The ultrafast recovery switch module not only can be adapted to great current impact when started, but also has wide applicable power range without employment of a mechanical switch, is more beneficial to the miniaturization of a rectification module, further lowers the manufacturing cost, and also has the characteristics of low noise, less electromagnetic pollution and long service life.

Description

【Technical field】 [0001] The invention belongs to the field of power semiconductor devices, and relates to the combination and connection of an ultra-fast recovery diode chip and a thyristor chip, and a packaging technology for semiconductor devices. 【Background technique】 [0002] At present, during the actual use of the three-phase rectifier bridge, the inrush current at the moment of startup is too large, which can easily cause damage to the rectifier device itself or the filter capacitor. To this end, people usually use the following three solutions to overcome: [0003] The first solution is to connect a resistor with a negative temperature coefficient in series at the output end of the rectifier bridge, such as figure 1 As shown, this scheme is only suitable for low-power places. [0004] The second solution is to connect a start-up resistor in series with the output end of the rectifier bridge to reduce the start-up current. figure 2 shown. The disadvantage of th...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): H02M7/12
Inventor 陈兴忠颜书芳
Owner 陈兴忠
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap