CN201892683U

CN201892683U - Coal mining intelligent wind speed sensor

Info

Publication number: CN201892683U
Application number: CN2010205882091U
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: 2011-07-06
Anticipated expiration: 2020-10-25

Abstract

A coal mining intelligent wind speed sensor comprises an ultrasonic wind speed probe, a waveform shaping circuit, a single chip microcomputer, a power module, an audible and visual alarm device, a signal output circuit, a storage chip, a clock chip and the like. The power module supplies power to the single chip microcomputer; the single chip microcomputer is connected with the lock chip, the storage chip, the waveform shaping circuit, the audible and visual alarm device and the signal output circuit respectively; the ultrasonic wind speed probe is connected with the waveform shaping circuit and inputs acquired data to the waveform shaping circuit; frequency signals corresponding to wind speeds are outputted after being processed by the waveform shaping circuit and enter the single chip microcomputer for central computing and processing; an I/O (input/output) port of the single chip microcomputer outputs corresponding frequency and current signals to the signal output circuit; and the I/O (input/output) port of the single chip microcomputer is connected with the audible and visual alarm device. The coal mining intelligent wind speed sensor is small in size, low in power consumption, high in reliability and intelligent level, convenient in operation and long in service life.

Description

The intelligent air velocity transducer in colliery

Technical field:

The utility model relates to a kind of wind speed sensor for coal mine, is specifically related to the intelligent air velocity transducer in a kind of colliery.

Background technology:

At present, existing colliery air velocity transducer commonly used generally is fixed air velocity transducer, because of adopting induction motor, volume is big, and weight is heavier, exists shortcomings such as measuring accuracy is low, measuring error is big, response speed is slow, observation inconvenience, and 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 air velocity transducer, and it is made up of ultrasonic wind speed probe, waveform shaping circuit, single-chip microcomputer, power module, sound and light alarm, signal output apparatus, storage chip, 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 respectively with clock chip, storage chip, waveform shaping circuit, sound and light alarm, signal output apparatus is connected, the ultrasonic wind speed probe connects waveform shaping circuit, the ultrasonic wind speed probe is with the data input waveform shaping circuit of gathering, handle the output frequency signal corresponding through waveform shaping circuit with wind speed, enter single-chip microcomputer and carry out central calculation process, the corresponding frequency of I/O mouth output of single-chip microcomputer, current signal is given signal output apparatus, and the I/O mouth of single-chip microcomputer connects acoustic-optic alarm simultaneously.

32 LPC2104 single-chip microcomputers that further technical characterictic, described single-chip microcomputer are based on PHILIPS constitute.

Described storage chip is selected the 24C65 model for use.

Described clock chip is selected the DS1302 model for use.

The beneficial effects of the utility model are: volume is little, low-power consumption, reliability height, intelligent degree height, and 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, ultrasonic wind speed probe 2, waveform shaping circuit 3, single-chip microcomputer 4, power module 5, sound and light alarm 6, signal output apparatus 7, storage chip 8, clock chip

Embodiment:

As shown in Figure 1, the intelligent air velocity transducer in a kind of colliery comprises ultrasonic wind speed probe 1, waveform shaping circuit 2, single-chip microcomputer 3, power module 4, sound and light alarm 5, signal output apparatus 6, storage chip 7, clock chip 8 etc.Power module 4 provides power supply to single-chip microcomputer 3, single-chip microcomputer 3 respectively with clock chip 8, storage chip 7, waveform shaping circuit 2, sound and light alarm 5, signal output apparatus 6 is connected, ultrasonic wind speed probe 1 connects waveform shaping circuit 2, ultrasonic wind speed probe 1 is with the data input waveform shaping circuit of gathering 2, handle the output frequency signal corresponding through waveform shaping circuit 2 with wind speed, enter single-chip microcomputer 3 and carry out central calculation process, the corresponding frequency of I/O mouth output of single-chip microcomputer 3, current signal is given signal output apparatus 6, the I/O mouth of single-chip microcomputer 3 connects sound and light alarm 5 devices simultaneously, the output of single-chip microcomputer 3 control sound and light alarms 5 signals.

32 LPC2104 single-chip microcomputers that described single-chip microcomputer 3 is based on PHILIPS constitute.

Described storage chip 7 is selected the 24C65 model for use, and this chip adopts the IIC serial mode, saves cpu resource, is used for store sample time, wind velocity signal value etc.

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.

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 air velocity transducer in colliery, it is popped one's head in by ultrasonic wind speed, single-chip microcomputer, power module, sound and light alarm is formed, it is characterized in that: power module provides power supply to single-chip microcomputer, single-chip microcomputer respectively with clock chip, storage chip, waveform shaping circuit, sound and light alarm, signal output apparatus is connected, the ultrasonic wind speed probe connects waveform shaping circuit, the ultrasonic wind speed probe is with the data input waveform shaping circuit of gathering, handle the output frequency signal corresponding through waveform shaping circuit with wind speed, enter single-chip microcomputer and carry out central calculation process, the corresponding frequency of I/O mouth output of single-chip microcomputer, current signal is given signal output apparatus, and the I/O mouth of single-chip microcomputer connects acoustic-optic alarm simultaneously.

2. the intelligent air velocity transducer in colliery according to claim 1 is characterized in that: 32 LPC2104 single-chip microcomputers that described single-chip microcomputer is based on PHILIPS constitute.

3. the intelligent air velocity transducer in colliery according to claim 1, it is characterized in that: described storage chip is selected the 24C65 model for use.

4. the intelligent air velocity transducer in colliery according to claim 1, it is characterized in that: described clock chip is selected the DS1302 model for use.