工矿自动化

Microcomputer based CAD System for Mine Electricity Grids

FENG Lin-qiao , YI Ming , WU Rui

2000, 26(1): 1-4.

<Abstract>(28)

Abstract:
Microcomputer based CAD system for mine electricity grids is introduced, together with the description of structure principle and designing method of the sysytem. The system integrates analysis calculation, database and graph. Design calculation, electric equipment type selection and graph all are completed by advanced language. It is able to operate on simple microcomputer configuration. In the end application sample is cited.

Model FC-Ⅲ Automatic Measuring and Control System for Floatation Separation Process Parameters

HOU Lu-sheng, YING Hai-ning

2000, 26(1): 5-6.

<Abstract>(43)

Abstract:
This paper deals with the control scheme, soft and hardware design and anti interference measures of Model FC-Ⅲ Automatic Measuring and Control System of Floatation Separation Process Parameter. The application in many preparation plants has proved the noticeable economic and social benefits it can obtain.

Study in New Type Signaling Device for Mine Hoists

ZHOU Xiu-hua

2000, 26(1): 7-8.

<Abstract>(30)

Abstract:
A new type of signaling device for mine hoists is introduced here. It employs advanced digital communication technology and solves the problem of signal transmission in mine hoists. The new device not only improves reliability and information volume of data transmission but also saves costs in communication cable. Additionally, the device employs LED arrays and display various information with Chinese Characters, and provides a user friendly interface.

2000, 26(1): 9-10.

<Abstract>(43)

Abstract:

2000, 26(1): 11-13.

<Abstract>(50)

Abstract:

2000, 26(1): 13-14.

<Abstract>(23)

Abstract:

2000, 26(1): 15-17.

<Abstract>(22)

Abstract:

Study in Recognition of Control Graph Out of Control Patter

GONG Dun-wei, LUO Nian-hai, LI Ming, XU Shi-fan, DING Ke

2000, 26(1): 18-19.

<Abstract>(50)

Abstract:

Multi channel Signal Telemetry System for Coal Mines with Carrier Wave Transmitted by Telephone cable

ZHONG Dao-chang

2000, 26(1): 20-21.

<Abstract>(32)

Abstract:
Here introduced is the circuit composition of coal mine multi channel signal telemetry system with carrier wave transmitted through telephone line and precise V/F conversion circuit designed with LM331 and TL082. Problems encountered in system commissioning and execution and the measures adopted are analyzed.

Intelligent Temperature Protection Apparatus for Main Fans

ZHENG Feng-long , SHEN Hui-cun , GAO Fei , ZHOU Gen-he

2000, 26(1): 22-23.

<Abstract>(59)

Abstract:
A new temperature sensor of high accuracy, single line digital type and the design of an intelligent tempearture alarming and protection apparatus for coal mine large scaled motor’s use are introduced. The apparatus can be simply installed and have good operating effects without need of calibration and commissioning.

2000, 26(1): 24-25.

<Abstract>(14)

Abstract:

Application of Thyristor Cascade Regulation Technology in Innovation of Mine Ventilatiors

HONG Tao, HAN Jian-guo, ZHANG Qing-mi

2000, 26(1): 26-27.

<Abstract>(40)

Abstract:

Improvement in Wound-asynchronous Motor Starting Control Circuit

LU Shi-kui, WANG Da-zhou

2000, 26(1): 27-28.

<Abstract>(26)