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Design method for specific chip of intelligent electric appliance

A technology of special-purpose chips and design methods, which is applied in the fields of instruments, calculations, electrical digital data processing, etc., and can solve the problems of not realizing the system-on-chip

Inactive Publication Date: 2003-08-27
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In terms of relay protection, there are also reports abroad that use FPGA to implement overcurrent relay algorithms, but they have not realized the ideal system-on-chip function.

Method used

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  • Design method for specific chip of intelligent electric appliance
  • Design method for specific chip of intelligent electric appliance
  • Design method for specific chip of intelligent electric appliance

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Embodiment Construction

[0053] In order to understand the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and the embodiments completed by the inventor according to the technical solution of the present invention.

[0054] See attached Figure 3-8 ; image 3 It is the interface block diagram of the data acquisition module; this module provides the interface with the A / D conversion chip MAX125 commonly used in microcomputer protection, and completes the sampling control and corresponding data storage. MAX125 integrates two groups of four input channels (four sampling and holding devices), 14-bit resolution and 3us analog-to-digital conversion time, 14-bit dual-port RAM, and a parallel interface compatible with most microprocessors. Cooperating with the multiplexer, the module completes the acquisition and data storage of 16 analog channels. The module generates all the signals and timing required by the A / D...

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Abstract

The chip is designed based on the platform method by using programmable ASIC technique. The method includes following steps. (1) The system on the chip in intelligent electrical appliances is designed by using FPGA. (2) Marking off the IP modules. (3) The parametrization design for each IP core. The designed module cores support the parametrization programming. The different functions can be realized by allocating different parameters without need of changing content in the core. (4) Generalized designing the IP cores. (5) The dedicated chip using 2 FPGA chip (100 thousands gates) through a small PCB being as an independent unit connects to other circuit. The correctness of the chip is validated by emulations and actual measurements. Each performance index of the line protective devices designed based on the chip is passed the testing of relevant national quality monitoring center.

Description

1. Technical field [0001] The invention belongs to the field of computer applications, and relates to a design method for a dedicated chip used to protect power grids and equipment thereof, in particular to a design method for designing a dedicated chip for power system automation intelligent intelligent electrical appliances using programmable ASIC technology. 2. Background technology [0002] Power system microcomputer protection is used to protect the power grid and its equipment, which is very important to the stable and economical operation of the power system. The microcomputer protection device integrates computer technology, network technology, microelectronic technology, and sensor technology. It not only makes the measurement, protection, measurement and control functions of traditional electrical appliances more accurate and reliable, but also realizes accident recall, fault recording, and equipment operation. Status online monitoring and other functions. As earl...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 张桂青冯涛王建华张杭耿英三
Owner XI AN JIAOTONG UNIV
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