CN203257471U - Mine environment monitoring system based on single-chip microcomputer - Google Patents

Abstract

A mine environment monitoring system based on a single-chip computer relates to the field of mine environment monitoring. It solves the problem that the existing monitoring system cannot be used on a large scale due to the difficulty in installation and maintenance. The upper computer and the lower computer control system realize data interaction through the serial port communication circuit; the signal output terminals of the temperature sensor group, the humidity sensor group and the gas sensor group are respectively connected to the parameter adjustment signal input end of a parameter adjustment circuit, each parameter adjustment circuit The parameter adjustment signal output terminals of each data conversion circuit are connected to the data conversion signal input terminal of a data conversion circuit, the data conversion signal output terminals of each data conversion circuit are connected to the signal input terminal of the single-chip microcomputer, and the communication signal output terminal of the single-chip microcomputer communicates with the serial port The communication signal input end of the circuit is connected. The utility model is suitable for monitoring the mine environment.

Description

A Mine Environment Monitoring System Based on SCM

technical field

The utility model relates to the field of environment monitoring, in particular to the field of mine environment monitoring.

Background technique

Coal has always occupied an extremely important position in the production and consumption of primary energy in my country. There are also coal mines of different sizes in the country, but accidents often occur during the mining process and cause disastrous consequences. Therefore, the monitoring of the mine environment has become a necessary means to prevent accidents.

However, there are many problems in the general coal mine environmental monitoring system, such as complicated wiring, difficulty in adding subsequent circuits, inability to change the network structure, high manufacturing and maintenance costs, and difficulty in adding and changing circuits. It is more difficult; another major problem is that the development of software and the development of hardware cannot be well combined, which limits the application range of the monitoring system and thus affects the safety of the mine.

Utility model content

The utility model aims to solve the problem that the existing monitoring system cannot be used on a large scale due to the difficulty in installation and maintenance, thereby affecting the safety of the mine.

A mine environment monitoring system based on a single-chip microcomputer, which includes an upper computer and a lower computer control system, the user operating system of the upper computer and the lower computer control system realize data interaction through a serial port communication circuit; the lower computer control system includes a temperature sensor group, a humidity A sensor group, a gas sensor group, 3 parameter adjustment circuits, 3 data conversion circuits and a single-chip microcomputer; the signal output terminals of the temperature sensor group, humidity sensor group and gas sensor group are respectively connected to the parameter adjustment signal input end of a parameter adjustment circuit , the parameter adjustment signal output end of each parameter adjustment circuit is connected with the data conversion signal input end of one data conversion circuit, the data conversion signal output end of each data conversion circuit is connected with the signal input end of the single-chip microcomputer, the communication of the single-chip microcomputer The signal output end is connected with the communication signal input end of the serial port communication circuit.

Beneficial effects: the structure of the utility model has more than doubled the structural complexity of the existing mine environment monitoring system, can be installed in a complex mine environment, and is also convenient for subsequent system maintenance; The monitoring of temperature, humidity and gas concentration in the environment ensures the safety of the mine environment.

Description of drawings

Figure 1 is a schematic diagram of the principle of a mine environment monitoring system based on a single-chip microcomputer.

Detailed ways

The specific embodiment one, in conjunction with Fig. 1 illustrates this specific embodiment, a kind of mine environment monitoring system based on single-chip microcomputer, it comprises upper computer 3 and lower computer control system 1, upper computer user operating system and lower computer control system 1 communicate through the serial port The circuit 2 realizes data interaction; the lower computer control system 1 includes a temperature sensor group 1-1, a humidity sensor group 1-2, a gas sensor group 1-3, three parameter adjustment circuits 1-4, and three data conversion circuits 1 -5 and single-chip microcomputer 1-6; the signal output ends of temperature sensor group 1-1, humidity sensor group 1-2 and gas sensor group 1-3 are respectively connected with the parameter adjustment signal input end of a parameter adjustment circuit 1-4, The parameter adjustment signal output end of each parameter adjustment circuit 1-4 is all connected with the data conversion signal input end of a data conversion circuit 1-5, and the data conversion signal output end of each data conversion circuit 1-5 is all connected with the single chip microcomputer 1 The signal input terminal of -6 is connected, and the control signal output terminal of the single-chip microcomputer 1-6 is used as the signal output terminal of the lower computer control system 1.

Working principle: Temperature sensor group 1-1, humidity sensor group 1-2 and gas sensor group 1-3 respectively measure the temperature, humidity and gas concentration in the mine environment, and the measured temperature, humidity and gas concentration values After being regulated by the parameter adjustment circuit 1-4, the analog quantity is converted into a digital quantity through the data conversion circuit 1-5, and then sent to the single-chip microcomputer 1-6, and the single-chip microcomputer 1-6 sends the digital quantity to the PC 3.

In the present embodiment, the upper computer 3 is realized by Java development, and the operating system can receive the data uploaded by the lower computer control system 1 through the serial port communication circuit 2, and store the data in the SQL SeNer database. The interface for hardware expansion facilitates the addition and deletion of hardware. The operating system realizes data prediction, overrun action and graph drawing functions by setting different strategies.

Embodiment 2. The difference between this embodiment and the MCU-based mine environment monitoring system described in Embodiment 1 is that the temperature sensor group 1-1 includes N DS18B20 temperature sensors; the humidity sensor group 1-2 includes N DHT11 humidity sensors; gas sensor group 1-3 includes N MQ-5 gas sensors; N is an integer greater than or equal to 1.

The temperature sensor group 1-1 described in this embodiment adopts a single-port single-bus temperature measurement method, thereby saving resources of the single-chip microcomputer.

Embodiment 3. The difference between this embodiment and the MCU-based mine environment monitoring system described in Embodiment 1 is that the serial port communication circuit 2 is realized by a MAX232 chip.

Embodiment 4. The difference between this embodiment and the single-chip microcomputer-based mine environment monitoring system described in Embodiment 1 is that the lower computer control system 1 also includes an alarm circuit 1-7, and an alarm circuit 1-7. The alarm signal input end of the alarm signal is connected with the alarm signal output end of the single-chip microcomputer 1-6.

In this embodiment, any one of sound alarm, light alarm, sound and light alarm or remote alarm can be adopted.

Embodiment 5. The difference between this embodiment and the single-chip microcomputer-based mine environment monitoring system described in Embodiment 1 is that the lower computer control system 1 also includes a button circuit 1-10, and a button circuit 1-10. The key signal output end of the single-chip microcomputer 1-6 is connected with the key signal input end of the single-chip microcomputer.

The button circuit 1-10 described in this embodiment can realize the setting of temperature, humidity and gas concentration standards, and further realize the requirement that the mine environment monitoring system of this embodiment can be applied to various mine environments.

Embodiment 6. The difference between this embodiment and the MCU-based mine environment monitoring system described in Embodiment 1 is that the lower computer control system 1 also includes a nixie tube display circuit 1-8, and the nixie tube displays The display signal input end of the circuit 1-8 is connected with the display signal output end of the single-chip microcomputer 1-6.

In this embodiment, a digital tube display circuit 1-8 is added to realize the display of the measurement result, which is convenient for the user to obtain the detection result intuitively at the measurement site.

Embodiment 7. The difference between this embodiment and the single-chip microcomputer-based mine environment monitoring system described in Embodiment 1 is that the lower computer control system 1 also includes an expansion circuit 1-11, and an expansion circuit 1-11 The extended signal input end of the single chip microcomputer 1-6 is connected with the extended signal output end.

In this embodiment, the expansion circuit 1-11 is added, which can realize the addition of subsequent circuits, and is convenient for users to improve the system at any time.

Embodiment 8. The difference between this embodiment and the single-chip microcomputer-based mine environment monitoring system described in Embodiment 1 is that the lower computer control system 1 also includes a motor system 1-9, and a motor system 1-9. The motor rotation signal input end of the single chip microcomputer 1-6 is connected with the motor rotation signal output end.

The structure of a single-chip microcomputer-based mine environment monitoring system described in the present invention is not limited to the specific structures described in the above-mentioned specific embodiments, but can also be a reasonable combination of the specific technical features described in the above-mentioned embodiments.

Claims (8)

1. SCM Based Minepit environment monitoring system, it comprises host computer (3) and slave computer control system (1), host computer operating system of user and slave computer control system (1) realize data interaction by serial communication circuit (2);

It is characterized in that slave computer control system (1) comprises sets of temperature sensors (1-1), humidity sensor group (1-2), gas sensor group (1-3), 3 parameter regulating circuits (1-4), 3 data change-over circuits (1-5) and single-chip microcomputer (1-6); Sets of temperature sensors (1-1), humidity sensor group (1-2) is connected 1-3 with the gas sensor group) signal output part be connected with the parameter conditioning signal input of 1 parameter regulating circuit (1-4) respectively, the parameter conditioning signal output of each parameter regulating circuit (1-4) is connected with the data transaction signal input part of 1 data change-over circuit (1-5), the data transaction signal output part of each data converting circuit (1-5) is connected with the signal input part of single-chip microcomputer (1-6), and the control signal output of single-chip microcomputer (1-6) is as the signal output part of slave computer control system (1).

2. a kind of SCM Based Minepit environment monitoring system according to claim 1, it is characterized in that, comprise N DS18B20 temperature pick up in the described sets of temperature sensors (1-1), comprise N DHT11 humidity sensor in the humidity sensor group (1-2); Comprise N MQ-5 gas sensor in the described gas sensor group (1-3); N is the integer more than or equal to 1.

3. a kind of SCM Based Minepit environment monitoring system according to claim 1 is characterized in that, it is that the MAX232 chip is realized that serial communication circuit (2) adopts model.

4. a kind of SCM Based Minepit environment monitoring system according to claim 1, it is characterized in that, described slave computer control system (1) also comprises warning circuit (1-7), and the alarm signal input of warning circuit (1-7) is connected with the alarm signal output ends of single-chip microcomputer (1-6).

5. a kind of SCM Based Minepit environment monitoring system according to claim 1, it is characterized in that, described slave computer control system (1) also comprises key circuit (1-10), and the push button signalling output of key circuit (1-10) is connected with the push button signalling input of single-chip microcomputer (1-6).

6. a kind of SCM Based Minepit environment monitoring system according to claim 1, it is characterized in that, described slave computer control system (1) also comprises digital pipe display circuit (1-8), and the display input of digital pipe display circuit (1-8) is connected with the display output of single-chip microcomputer (1-6).

7. a kind of SCM Based Minepit environment monitoring system according to claim 1, it is characterized in that, described slave computer control system (1) also comprises expanded circuit (1-11), and the spread signal input of expanded circuit (1-11) is connected with the spread signal output of single-chip microcomputer (1-6).

8. a kind of SCM Based Minepit environment monitoring system according to claim 1, it is characterized in that, described slave computer control system (1) also comprises electric system (1-9), and the electric machine rotation signal input part of electric system (1-9) is connected with the electric machine rotation signal output part of single-chip microcomputer (1-6).

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