CN202039884U - Portable intelligent detector for multiple ventilation parameters of mine - Google Patents

Abstract

The utility model discloses a portable mine ventilation multi-parameter intelligent detector. It includes a microprocessor, a wind speed probe, a temperature probe, a laser transceiver probe assembly, a stepper motor, a keyboard, and a display. The microprocessor is respectively connected to the wind speed probe and the temperature probe for detecting the wind speed and temperature of the wind in the mine shaft, The microprocessor is connected to the laser transceiver probe assembly, the microprocessor is connected to the stepper motor that drives the laser transceiver probe assembly to perform circular motion, and the microprocessor is respectively connected to the keypad and the display. The utility model overcomes the defects of time-consuming and labor-intensive and low measurement accuracy when measuring wind speed and roadway cross-section size with an anemometer, a stopwatch and a meter ruler, and is suitable for measuring various ventilation parameters of mines.

Description

Portable mine ventilation multi-parameter intelligent detector

technical field

The utility model relates to a portable mine ventilation multi-parameter intelligent detector.

Background technique

At present, mechanical wind meters and stopwatches are commonly used in mines to measure the wind speed in the shaft, and meter rulers or tapes are used to measure the section parameters such as the width and height of the roadway, and the air volume of the shaft is calculated through calculation. During the process of measuring wind speed, the wind meter and stopwatch must be turned on and off at the same time; when measuring the area, due to the deformation of the roadway and the irregular cross section, it is necessary to select multiple points on the cross section to measure the height and width of the roadway, and then use the integral method to calculate Out of the area, the air volume is calculated from the area and the wind speed. The measurement process is very cumbersome, time-consuming and labor-intensive, and the measurement accuracy is low. Especially for irregular roadways, the cross-sectional area is difficult to measure and estimate, and the measured air volume has a large deviation. the

Contents of the invention

In order to solve the above technical problems, the utility model provides a portable multi-parameter intelligent detector for mine ventilation that comprehensively measures mine wind speed, temperature, cross-sectional area of roadway, and air volume, and has high measurement accuracy.

The technical solution of the utility model for solving the above-mentioned technical problems is: comprising a microprocessor, a wind speed probe, a temperature probe, a laser transceiver probe assembly, a stepping motor, a keyboard and a display; The wind speed probe and temperature probe for wind speed and temperature, the microprocessor is connected to the laser transceiver assembly, the microprocessor is connected to the portable mine ventilation multi-parameter intelligent detector, and the stepper motor that drives the laser transceiver assembly to do circular motion is connected to the microprocessor respectively. Connect the keypad and monitor.

Compared with the prior art, the technical effect of the utility model is: the utility model adopts a portable mine ventilation multi-parameter intelligent detector composed of a combination of a microprocessor, a stepping motor and a laser transceiver probe assembly, and has the advantages of simple structure, integrated It can directly measure various ventilation parameters such as wind speed, air volume, temperature, cross-sectional area of roadway, etc., and can store and read the actual measurement results. The method overcomes the problems of time-consuming and labor-intensive measurement and low measurement accuracy when using wind meters, stopwatches and meter sticks to measure wind speed and roadway section size.

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

Description of drawings

Fig. 1 is a structural diagram of the utility model.

Fig. 2 is a schematic diagram of the laser sectional area measurement in the utility model.

Detailed ways

Referring to Fig. 1, the utility model comprises microprocessor 1, wind speed probe 2, temperature probe 3, laser transceiver probe assembly 4, stepper motor 5, keyboard 6 and display 7; Wind speed probe 2 and temperature probe 3 for wind speed and temperature in the shaft, microprocessor 1 is connected to laser transceiver probe assembly 4, microprocessor 1 is connected to stepping motor 5 that drives laser transceiver probe assembly 4 to do circular motion, microprocessor 1. Connect the keypad 6 and the display 7 respectively.

The working principle of the utility model is as follows: when the power is turned on, the wind speed probe 2 and the temperature probe 3 collect the wind speed and temperature data in the mine shaft, and input them to the microprocessor 1; the microprocessor 1 receives the measured data of the laser transceiver probe assembly 4 , and then the microprocessor 1 uses the system software to find out the wind speed, air volume, area, and temperature in the mine shaft, and realizes data storage, reading and driving display 7 for real-time display. Display 7 adopts LCD display. The keyboard 6 inputs and adjusts system software data through keys.

Referring to Fig. 2, Fig. 2 is a principle diagram of the measurement of the laser sectional area in the utility model. The laser transceiver probe assembly 4 is set at point O in the mine shaft, the laser transceiver probe assembly 4 emits a laser beam L ₁ , and the distance between the laser transceiver probe assembly 4 and a certain point on the roadway wall S is measured, and its The distance is d1; after the measurement of d1 is completed, the laser transceiver probe assembly 4 rotates a step angle θ under the drive of the stepping motor 5, and then emits a laser beam L ₂ , and the distance between the laser transceiver probe assembly 4 and the roadway wall S is measured. Set the distance of another point in d2; set θ as a small angle, regardless of the shape of the roadway wall S between the two laser beams, the area of the small closed surface surrounded by the two laser beams and the roadway wall S is: (d1× d2×sinθ)/2; in this way, the laser transceiver probe assembly 4 is driven by the stepper motor 5 to measure a circle along the roadway section S, and obtains many small closed surface areas, which can be obtained by adding many small closed surface areas Roadway sectional area.

Claims (1)

1. A portable mine ventilation multi-parameter intelligent detector is characterized in that: comprise microprocessor, wind speed probe, temperature probe, laser transceiver probe assembly, stepping motor, keyboard and display; Described microprocessor is respectively connected with The wind speed probe and temperature probe used to detect the wind speed and temperature in the mine shaft, the microprocessor is connected to the laser transceiver assembly, the microprocessor is connected to the stepping motor that drives the laser transceiver assembly to do circular motion, and the microprocessor is connected to the keypad and display.

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