Wide-voltage input module based on VPX platform and data processing exchange platform

An input module and switching platform technology, applied in the electronic field, can solve the problems of low data transmission rate between modules, unable to meet the design requirements of electronic reconnaissance equipment, low integration, etc., to achieve the effect of interconnection

Inactive Publication Date: 2020-03-06
江苏和正特种装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional electronic reconnaissance equipment is mostly based on hierarchical shared buses (such as PCI, VME) and is composed of multiple functional modules, which have low integration, large amount of equipment, high power consumption, weak data processing capabilities, and data transmission between modules. Problems such as low speed have been unable to meet the design requirements of modern electronic reconnaissance equipment

Method used

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  • Wide-voltage input module based on VPX platform and data processing exchange platform
  • Wide-voltage input module based on VPX platform and data processing exchange platform
  • Wide-voltage input module based on VPX platform and data processing exchange platform

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Experimental program
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Effect test

Embodiment 1

[0025] A 9~36V wide-voltage input technology based on the VPX platform. In order to realize the wide-voltage input of the power module, a switching power supply with a constant current mode to drive the switching tube is proposed. The switching tube can always get ideal in a wide voltage range. driving voltage. figure 1 It is a Schmitt comparator in constant current mode. The Schmitt comparator is composed of T2, T3 and R2 to generate switching signals; the constant current circuit is composed of T1, T2 and R2. When T2 is in the conduction state, T1 controls T2 The base voltage makes it provide a constant current value.

[0026] Specifically, such as figure 1 , figure 2 As shown, the present invention provides a wide-voltage input module based on the VPX platform. The wide-voltage input module includes a Schmidt comparator unit in constant current mode. The wide-voltage input module uses a push-pull output structure to drive the field effect tube.

[0027] Further, the Sc...

Embodiment 2

[0036] Furthermore, the present invention also provides a data processing and exchange platform using the above-mentioned wide-voltage input module based on the VPX platform, such as image 3 As shown, it is a schematic diagram of the backplane interconnection of the power module using the VPX interface in the entire data acquisition system. The data of each data layer realizes the interconnection of SRIO, 40G Ethernet and Gigabit Network through the data exchange module to realize data interaction and data transmission.

[0037] like Figure 4 As shown, the data processing and switching platform, that is, the board, includes a power supply module, a clock module, a communication interface module, a control and an indication module, etc., and the power supply board supplies power to all other boards, and each functional board is realized through a high-speed serial ring topology. . According to the VPX specification and the functional requirements of the researched platform, ...

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Abstract

The invention provides a wide-voltage input module based on a VPX platform and a data processing exchange platform. The wide-voltage input module comprises a plurality of Schmidt comparator units in aconstant-current mode. The wide-voltage input module adopts a push-pull output structure to drive a field effect transistor. The wide-voltage input module has the functions of 9-36V wide-voltage input, overvoltage protection, overcurrent protection, overheating protection and input reverse connection prevention, and has standard control signals ENABLE* and INHIBIT*, different power supply outputmodes can be realized according to different control logics of the power supply, and FAIL* and SYSRESET* are used for indicating whether errors occur in the power supply or not.

Description

technical field [0001] The invention belongs to the field of electronic technology, and in particular relates to a wide-voltage input power supply system based on a VPX platform. Background technique [0002] With the continuous development of military electronic reconnaissance equipment, the amount of data it requires to transmit is also increasing, so the requirements for the reconnaissance processing system's computing processing speed, data bandwidth, and data interaction methods are also increasing. As the only source of core power for electronic reconnaissance equipment, the power supply is also crucial to its own stability and data processing interaction with each module of the system. Traditional electronic reconnaissance equipment is mostly based on hierarchical shared buses (such as PCI, VME) and is composed of multiple functional modules, which have low integration, large amount of equipment, high power consumption, weak data processing capabilities, and data tran...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/25257
Inventor 甘欣辉王涛宋亮姚连喜万韬郭贺蒋晓峰刘鹏郭松李垚周栋胡明庆李京竹姜美顺付元炳
Owner 江苏和正特种装备有限公司
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