CN201903402U

CN201903402U - Intelligent temperature sensor for coal mine

Info

Publication number: CN201903402U
Application number: CN201020587985XU
Authority: CN
Inventors: 林庆灯
Original assignee: Nanjiang Group Co Ltd
Current assignee: Nanjiang Group Co Ltd
Priority date: 2010-10-25
Filing date: 2010-10-25
Publication date: 2011-07-20
Anticipated expiration: 2020-10-25

Abstract

The utility model relates to an intelligent temperature sensor for a coal mine, which comprises a single bus temperature detector, a DSP (Digital Signal Processor) digital processing chip, a singlechip, a power supply module, a communication interface circuit, a protective circuit, a clock chip and the like, wherein the power supply module provides power to the singlechip; the singlechip is connected with the DSP digital processing chip, the communication interface circuit, the protective circuit and the clock chip; the single bus temperature detector is connected with the DSP digital processing chip; data full-duplex communication is carried out on the singlechip and the communication interface circuit; and the singlechip receives a command from the communication interface circuit in real time, controls the coordination work of all circuits according to a program, and simultaneously sends data operated and processed completely to the communication interface circuit. The intelligent temperature sensor for the coal mine has the characteristics of high precision and stability, low power consumption, high reliability and intelligent degree, convenience for operation and long service life.

Description

The intelligent temperature sensor in colliery

Technical field:

The utility model relates to a kind of mining temperature sensor, is specifically related to the intelligent temperature sensor in a kind of colliery.

Background technology:

At present, existing colliery temperature sensor commonly used mainly contains all kinds of platinum resistors, semiconductor heat dependent sensor, integrated temperature sensor etc., its sensing output signal or have non-linear, or can not transmit by telecommunication, exist that precision is low, measuring error is big, transmit signal with analog form disturbs shortcomings such as big, job insecurity, poor reliability, serviceable life is short.

The utility model content:

Technical deficiency at the existing product existence; the purpose of this utility model is to provide a kind of colliery intelligent temperature sensor, and it is made up of unibus Temperature Detector, DSP digital processing chip, single-chip microcomputer, power module, communication interface circuit, holding circuit, clock chip etc.

The technical scheme that its technical matters that solves the utility model adopts is: power module provides power supply to single-chip microcomputer, single-chip microcomputer is connected with DSP digital processing chip, communication interface circuit, holding circuit, clock chip respectively, and the unibus Temperature Detector connects the DSP digital processing chip; Single-chip microcomputer and communication interface circuit carry out the data full-duplex communication, and single-chip microcomputer receives the order from the communication interface circuit in real time, the work of follow procedure control each several part circuit coordinates, and single-chip microcomputer sends the intact data of self calculation process to the communication interface circuit simultaneously.

Further technical characterictic, described single-chip microcomputer is selected the PIC16F877 model for use.

Described clock chip is selected the DS1302 model for use.

Described communication interface circuit is selected the RS-232 communication interface mode for use.

The beneficial effects of the utility model are: have characteristics such as high precision, high stability, low-power consumption, and reliability height, intelligent degree height, easy to operate, long service life.

Description of drawings:

Fig. 1 is a composition structural representation of the present utility model;

Among the figure, 1, unibus Temperature Detector 2, DSP digital processing chip 3, single-chip microcomputer 4, power module 5, communication interface circuit 6, holding circuit 7, clock chip

Embodiment:

As shown in Figure 1, the intelligent temperature sensor in a kind of colliery comprises unibus Temperature Detector 1, DSP digital processing chip 2, single-chip microcomputer 3, power module 4, communication interface circuit 5, holding circuit 6, clock chip 7 etc.Power module 4 provides power supply to single-chip microcomputer 3, single-chip microcomputer 3 is connected with DSP digital processing chip 2, communication interface circuit 5, holding circuit 6, clock chip 7 respectively, unibus Temperature Detector 1 connects DSP digital processing chip 2, unibus Temperature Detector 1 is converted into serial digital signal with the dut temperature signal and is input to DSP digital processing chip 2, after 2 processing of DSP digital processing chip, enter single-chip microcomputer 3 and carry out central authorities' processing; Single-chip microcomputer 3 carries out the data full-duplex communication with communication interface circuit 5, single-chip microcomputer 3 receives the order from communication interface circuit 5 in real time, the work of follow procedure control each several part circuit coordinates, single-chip microcomputer 3 sends the intact data of self calculation process to communication interface circuit 5 simultaneously.

Described single-chip microcomputer 3 is selected the PIC16F877 model for use, and inside is provided with EEPROM, is used for the data such as this machine address of storage sensor.

Described clock chip 8 is selected the DS1302 model for use, and this chip adopts serial communication mode, is used for determining of systematic sampling time.

Described communication interface circuit 5 selects for use the RS-232 communication interface mode to carry out the transmission of data.

The utility model has used modular design, and each functional module is written as subroutine separately, and each subroutine is finished specific function, call and data processing at single-chip microcomputer 3 and other each functional modules then, easy to operate, intelligent degree height, long service life.

Claims

1. intelligent temperature sensor in colliery; it is made up of single-chip microcomputer, power module, communication interface circuit, holding circuit; it is characterized in that: power module provides power supply to single-chip microcomputer; single-chip microcomputer is connected with DSP digital processing chip, communication interface circuit, holding circuit, clock chip respectively; the unibus Temperature Detector connects the DSP digital processing chip, and single-chip microcomputer and communication interface circuit carry out the data full-duplex communication.

2. the intelligent temperature sensor in colliery according to claim 1, it is characterized in that: described single-chip microcomputer is selected the PIC16F877 model for use.

3. the intelligent temperature sensor in colliery according to claim 1, it is characterized in that: described clock chip is selected the DS1302 model for use.

4. the intelligent temperature sensor in colliery according to claim 1 is characterized in that: described communication interface circuit is selected the RS-232 communication interface mode for use.