CN220040477U - Mining electronic wind meter - Google Patents

Abstract

The utility model belongs to the technical field of wind meters, and particularly relates to a mining electronic wind meter, wherein a meter head comprises an air duct, impellers and a detection sensor, the air duct is connected with a machine body through a neck support, an air duct inlet and an air outlet are respectively provided with an air duct support, the impellers are rotatably arranged between the two air duct supports, the air duct supports are provided with an impeller rotating speed detection sensor, the front side of the machine body is provided with an operation panel and a display screen, a main board, a key module, a display module and a communication module are arranged in the machine body, the main board is provided with a main control chip, a signal processing module, an RTC clock module, an SD card module, a USB module and a power module, the operation panel and the display screen are connected with the main board through the key module and the display module, the detection sensor is connected to the main board through the signal processing module, and the main board can be in wireless communication with a network server and an upper computer, and can also be in wired transmission through USB. The wind meter has the advantages of high detection speed and high precision, and has the functions of measuring point editing, data storage, transmission, reading and the like.

Description

An electronic wind measuring instrument for mining

Technical field

The utility model belongs to the technical field of wind measuring instruments, and specifically relates to an electronic wind measuring instrument for mining.

Background technique

The coal mine production system mainly includes the coal mining system, excavation system, electromechanical system, transportation system, ventilation system, and drainage system. The ventilation system is one of the most basic and important systems in the coal mine production system. Ventilation system wind speed measurement requires the use of anemometers. There are various types of existing anemometers, and they all have their own technical flaws. For example, mechanical anemometers have complex measurement steps, low measurement efficiency, and uncontrollable errors; thermal anemometers Affected by temperature changes, it is prone to zero point drift and is easily damaged; the measurement results of the hot-wire anemometer are greatly affected by wind flow energy, and the heating wire is easily damaged; the pitot tube flowmeter is limited by sensor technology, has a weak output signal, low measurement accuracy, and is easy to It is clogged and not suitable for dusty and corrosive situations; the ultrasonic vortex anemometer is suitable for wind speed monitoring at fixed point positions and is not suitable for mobile measurement; the anemometer is inconvenient to operate and has poor data reading, storage, recording and transmission functions. Perfect, low detection efficiency, low detection accuracy and poor working reliability are the main problems of existing measuring instruments.

Utility model content

In view of the above situation, the utility model designs a mining electronic wind meter based on single-chip microcomputer technology with small size, low power consumption, high precision, fast response speed, high working reliability and long service life.

In order to achieve the above objectives, the present utility model adopts the following technical solutions:

An electronic wind meter for mining, including a body and a meter head. The meter head includes an air duct, an impeller and a detection sensor. The air duct is connected to the top of the body through a neck brace. The air duct is a horizontal cylindrical body. The front and rear ends are respectively provided with air inlets and air outlets. The inlets and air outlets are respectively provided with air duct brackets. The impeller is rotatably and coaxially arranged between the two air duct brackets. The air duct bracket is provided with a sensor for detecting the rotation speed of the impeller. Detection sensor.

The front side of the body is provided with an operation panel and a display screen. The body is provided with a main board, a button module, a display module and a communication module. The main board is provided with a main control chip, a signal processing module, an RTC clock module, an SD card module and a USB module. and power module. The operation panel and display screen are connected to the main board through the button module and the display module respectively. The detection sensor is connected to the main board through the signal processing module. The main control chip is an STM32 microcontroller, and each module is connected to the main control chip. connect.

The power module provides power to the mainboard, each module and detection sensor. The communication module is a 4G-DTU communication module. The mainboard can wirelessly connect to the network server and the host computer through the communication module for data transmission, and can also obtain the current network time.

Further, the impeller includes an impeller shaft. A plurality of blades, preferably eight blades, are annularly arranged on the impeller shaft. Both ends of the impeller shaft are rotatably connected to two air duct brackets respectively.

Further, the detection sensor is a through-beam photoelectric sensor, and its transmitting end and receiving end are respectively installed on the two blower brackets. The impeller is provided with a plurality of light-transmitting holes for passing the detection light. Preferably there are four light-transmitting holes.

Further, the signal processing module is provided with a detection interface for connecting to the detection sensor. The display module is provided with a screen interface for connecting to a display screen. The key module is provided with a key interface for connecting to an operation panel.

Further, an SD card module is provided on the mainboard for placing an SD card to save measurement data. The USB module is provided with a USB interface. The USB module can charge the internal battery. The mainboard can also be connected to the host computer through the USB interface for wired data transmission.

Further, the mainboard is provided with a download interface and a debugging serial port for downloading and debugging the mainboard program. The main board is also equipped with an alarm buzzer. A lithium battery is installed in the body, and the power module is provided with a voltage-reducing module that converts the output voltage of the lithium battery into an operating voltage. The body is preferably an explosion-proof housing.

The utility model also includes other components that can be used normally, which are conventional means in this field. In addition, the devices or components that are not limited in the utility model, such as STM32 microcontroller, RTC clock module, 4G-DTU communication module, The network server, display screen, through-beam photoelectric sensor, etc. all adopt the existing technology in this field.

The beneficial effects of this utility model are as follows:

The mining electronic wind meter provided by this utility model is small in size, low in power consumption, easy to carry, simple to operate, safe and reliable to use, has fast detection speed, high measurement accuracy, has detection data storage and real-time display functions, and supports data wired Transmission and remote wireless transmission help improve the functions of data recording, storage, transmission, reading, monitoring, and analysis of coal mine underground ventilation systems.

Description of the drawings

Figure 1 is a schematic structural diagram of a mining electronic wind measuring instrument in the embodiment.

Figure 2 is a block diagram of the mainboard hardware connection of the mining electronic wind measuring instrument in the embodiment.

Detailed ways

The technical solution of the present utility model will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only some, not all, of the embodiments of the present utility model.

It should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "back", "inner", "outer", etc. are based on those shown in the drawings and are only for convenience of description.

Example

As shown in Figure 1, a mining electronic wind meter includes a body 1 and a meter head 2. The meter head includes a blower 201, an impeller 202 and a detection sensor 204. The blower is connected to the head through a neck brace 3. Above the body, the air duct is a horizontal cylinder, with an air inlet and an air outlet respectively provided at its front and rear ends. An air duct bracket 203 is provided on the inlet and air outlet respectively, and the impeller is rotatably and coaxially arranged between the two air duct brackets. During the period, a detection sensor for detecting the rotation speed of the impeller is provided on the air duct bracket.

The front side of the body is provided with an operation panel 101 and a display screen 102. The body is provided with a main board, a key module, a display module and a communication module. As shown in Figure 2, the main board is provided with a main control chip, a signal processing module, RTC clock module, SD card module, USB module and power module. The operation panel and display screen are connected to the main board through the button module and the display module respectively. The detection sensor is connected to the main board through the signal processing module. The main control chip is STM32 microcontroller, each module is connected to the main control chip.

The power module provides power to the mainboard, each module and detection sensor. The RTC clock is used to record and display time. The communication module is a 4G-DTU communication module. The mainboard can be wirelessly connected to the network server and the host computer through the communication module. The current network time can be obtained.

The impeller includes an impeller shaft, eight blades are annularly arranged on the impeller shaft, and both ends of the impeller shaft are rotatably connected to two air duct brackets.

The detection sensor is a through-beam photoelectric sensor, and its transmitting end and receiving end are respectively installed on the two blower brackets. Four light-transmitting holes 205 are provided on the impeller. The transmitting end of the through-beam photoelectric sensor emits and detects Light passes through the light-transmitting hole and reaches the receiving end. When the impeller rotates, the wind speed is calculated by detecting the frequency of light passing through the light-transmitting hole.

The signal processing module is provided with a detection interface for connecting to a detection sensor. The display module is provided with a screen interface for connecting to a display screen. The key module is provided with a key interface for connecting to an operation panel. An SD card can be placed on the SD card module to save measurement data. The USB module is provided with a USB interface, and the motherboard can also perform wired data transmission through the USB interface.

The mainboard is also provided with a download interface and a debugging serial port. An alarm buzzer is also provided on the main board. A rechargeable lithium battery is provided in the body, the USB interface also has the function of charging the internal battery, and the power module is provided with a step-down module that converts the lithium battery voltage into a working voltage. The machine body is an MA-type explosion-proof shell that meets coal mine safety requirements.

The technical solutions of the present invention are not limited to the above-mentioned specific embodiments. Many modifications and changes will be obvious to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments. Any technical modifications made within the spirit and principles of the present utility model shall fall within the protection scope of the present utility model.

Claims (6)

1. An electronic wind meter for mining, including a body and a meter head, characterized in that: the meter head includes a blower, an impeller and a detection sensor, the blower is connected to the top of the body through a neck brace, and the front and rear of the blower An air inlet and an air outlet are respectively provided at both ends. An air duct bracket is provided on the inlet and air outlet respectively. The impeller is rotatably and coaxially arranged between the two air duct brackets. A detection sensor for detecting the rotation speed of the impeller is provided on the air duct bracket. , the front side of the body is provided with an operation panel and a display screen, and the body is provided with a main board, a button module, a display module and a communication module. The main board is provided with a main control chip, a signal processing module, an RTC clock module, an SD card module, and a USB Module and power module, the operation panel and the display screen are connected to the main board through the key module and the display module respectively. The detection sensor is connected to the main board through the signal processing module. Each module is connected to the main control chip. The power module supplies the main board and each module with The detection sensor provides power, and the mainboard is wirelessly connected to the network server and the host computer through the communication module; the air duct is a horizontal cylindrical structure; the detection sensor is a through-beam photoelectric sensor, and its transmitting end and receiving end are correspondingly Installed on the two air duct brackets, the impeller is equipped with a plurality of light-transmitting holes for passing through the detection light; the communication module is a 4G-DTU communication module; the main board is also provided with a download interface, debugging serial port and Alarm buzzer; the body is an explosion-proof shell. 2. An electronic wind meter for mining according to claim 1, characterized in that: the impeller includes an impeller shaft, a plurality of blades are annularly arranged on the impeller shaft, and the two ends of the impeller shaft are connected to two wind cylinder brackets respectively. Turn the connection. 3. An electronic wind meter for mining according to claim 1, characterized in that: the main control chip is an STM32 microcontroller, and the signal processing module is provided with a detection interface for connecting a detection sensor. 4. An electronic wind meter for mining according to claim 1, characterized in that: the display module is provided with a screen interface for connecting to a display screen. 5. An electronic wind meter for mining according to claim 1, characterized in that: the key module is provided with a key interface for connecting to an operation panel. 6. A mining electronic wind meter according to claim 1, characterized in that: the USB module is provided with a USB interface.