Multifunctional intelligent dust catching device capable of automatically adjusting cleaning based on environmental parameters

Abstract

The utility model relates to the technical field of mining equipment, in particular to a multifunctional intelligent dust catching device capable of automatically adjusting and cleaning based on environmental parameters, which is characterized in that sensors comprise an infrared correlation sensor, a differential pressure sensor, a dust concentration sensor, an angle sensor and a position sensor; the multiple flexible dust catching nets are controlled by a driving device to ascend and descend, and a cleaning device is arranged at the front ends of the multiple flexible dust catching nets and used for cleaning the dust catching nets. According to the utility model, the dust falling efficiency is improved, and the problems of influence on the stability of a ventilation system, complexity in installation, inconvenience in maintenance, insufficient intelligent degree and the like of a traditional dust catching device are solved; the integrated design is adopted, and installation and maintenance are convenient; a sensor is adopted for environment data collection, dynamic balance adjustment is carried out, and the intelligent degree of mine equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mining equipment, especially to a multifunctional intelligent dust catching device based on automatic adjustment cleaning of environmental parameters. BACKGROUND

[0002] With the acceleration of industrialization, the dust pollution problem in the fields of mining, construction and manufacturing is increasingly prominent. Long-term exposure to high-concentration dust environment can cause respiratory diseases, and dust diffusion also aggravates equipment wear and environmental pollution. Traditional dust catching devices mostly use fixed filtration or single physical barrier method, which is difficult to adapt to dynamically changing dust concentration and complex working conditions.

[0003] The prior art has insufficient adjustment capability, and most devices rely on manual intervention or regular cleaning, which cannot adjust the working mode in real time according to environmental parameters (such as dust concentration, temperature and humidity, ventilation resistance, wind speed, etc.), resulting in high energy consumption, low dust removal efficiency and affecting the stability of the coal mine ventilation system. The intelligent level is low, and the traditional device lacks an intelligent control system for multi-parameter fusion, making it difficult to achieve precise cleaning cycle and intensity control.

[0004] With the development of Internet of Things and sensor technology, dust removal equipment is upgrading towards automation and intelligence. Some new dust removal devices have introduced air quality sensors and controllers, but the cleaning and dust catching links still lack deep linkage with real-time environmental parameters, and the environmental adaptability is insufficient. Therefore, there is an urgent need for a dust catching device that can automatically adjust the cleaning frequency and dust catching efficiency based on parameters such as dust concentration, wind speed, and dust catching net ventilation resistance, to achieve dynamic balance in dust catching, cleaning, ventilation and dust reduction, and to improve energy efficiency and long-term operation reliability.

[0005] Therefore, the present application designs a dust catching device based on differential pressure sensor, ultrasonic wind speed sensor, dust concentration sensor, infrared opposite-acting sensor, multiple flexible dust catching nets, dynamic adjustment algorithm and self-adaptive cleaning system. By real-time acquisition of parameters such as dust concentration, differential pressure and wind speed, and automatic triggering of cleaning mode and dust catching mode in combination with preset threshold values, the device can also sense the passage of vehicles and realize automatic passage, which can significantly reduce maintenance cost and improve dust removal efficiency and automation level. SUMMARY

[0006] The utility model discloses in order to make up the deficiency in the prior art, provide a multifunctional intelligent dust catching device based on automatic adjustment cleaning of environmental parameters, including sensor, multiple flexible dust catching nets, cleaning device, drive arrangement and control host computer, its characterized in that:

[0007] The sensor includes an infrared opposite-acting sensor, a differential pressure sensor, a dust concentration sensor, an angle sensor and a position sensor;

[0008] The multiple flexible dust catching nets are controlled in lifting by a driving device, and a cleaning device is arranged at the front end of the multiple flexible dust catching nets for cleaning the dust catching nets.

[0009] Further, in order to better realize the utility model, the infrared opposite transmission sensor is used for detecting a person-car passing signal, and the dust catching net is automatically lifted to pass through after monitoring that someone passes through, and the dust catching net is lowered after passing through;

[0010] The differential pressure sensor monitors the differential pressure of the two sides of the dust catching net, and calculates the ventilation resistance.

[0011] The dust concentration sensor is used for monitoring the dust concentration value in the roadway, and according to the dust concentration setting value, the driving device lowers the flexible dust catching net with different meshes to dynamically adjust the dust falling efficiency.

[0012] The angle sensor and the position sensor are used for monitoring the position below the dust catching net.

[0013] Further, in order to better realize the utility model, the control host is a mine intrinsic safety type control box, which controls and connects all the sensors and the driving device, and also controls the gas circuit through the electromagnetic valve, controls the water circuit through the ball valve, and the gas circuit and the water circuit are connected with the cleaning device arranged at the front end of the multiple flexible dust catching nets.

[0014] Further, in order to better realize the utility model, the cleaning device comprises a plurality of spray heads connected with the water circuit and a plurality of compressed air spray heads connected with the gas circuit, and the spray heads and the compressed air spray heads are directed to the rear dust catching net. The water circuit is responsible for cleaning, and the gas circuit is responsible for air drying.

[0015] Further, in order to better realize the utility model, the driving device comprises a plurality of side-by-side winding rollers, different winding rollers wind the dust catching nets with different meshes, and the frontmost dust catching net is fixedly connected with the cleaning device.

[0016] The utility model has the advantages of:

[0017] The dust falling efficiency is improved, the problems of affecting the stability of the ventilation system, complicated installation, inconvenient maintenance and insufficient intelligence of the traditional dust catching device are solved, the integrated design is adopted, the installation and maintenance are convenient, the sensor is adopted for collecting environmental data, dynamic balance adjustment is carried out, and the intelligence degree of the mine equipment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the whole structure schematic view of the utility model;

[0019] Fig. 2 It is the cleaning air drying and flexible dust catching structure schematic view of the utility model;

[0020] Fig. 3 It is the cleaning air drying structure schematic view of the utility model.

[0021] In the drawings,

[0022] 1, mine intrinsically safe control box, 2, electromagnetic valve, 3, ball valve, 4, gas circuit, 5, water circuit, 6, gas filter, 7, water filter, 8, cleaning device, 801, spray head, 802, compressed air spray head, 9, dust concentration sensor, 10, differential pressure sensor, 11, explosion-proof and intrinsically safe power supply, 12, infrared opposite sensor, 13, winding roller, 14, angle sensor, 15, pneumatic motor, 16, position sensor, 17, fixed lifting ring, 18, wind speed sensor, 19, manual control box. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0025] Figs. 1-3 is a specific embodiment of the present application. The embodiment is a multifunctional intelligent dust catching device based on automatic adjustment of cleaning according to environmental parameters.

[0026] The multifunctional intelligent dust catching device based on automatic adjustment of cleaning according to environmental parameters is mainly used for intelligent and efficient dust catching in a coal mine underground roadway without affecting the stability of the ventilation system. Wind speed monitoring and strategy adjustment, the device is provided with an infrared opposite sensor for real-time monitoring of the roadway wind speed. The wind speed data collected by the sensor provides environmental data reference for subsequent dust catching and cleaning work, and the control host can automatically adjust the dust catching and cleaning strategy according to the wind speed.

[0027] Ventilation resistance calculation and cleaning control, the differential pressure sensor is installed on both sides of the dust catching net for monitoring the differential pressure on both sides of the dust catching net and calculating the ventilation resistance. When the dust attached to the dust catching net reaches a certain limit value, causing the ventilation resistance to become larger, the control host issues a cleaning command to the cleaning device according to the ventilation resistance change data, to ensure smooth ventilation of the dust catching net and maintain good dust catching performance.

[0028] Dust concentration monitoring and dust reduction adjustment, the dust concentration sensor is used for monitoring the dust concentration value in the roadway. The control host sets different dust concentration values in advance, drives the flexible dust collection net of different mesh according to the real-time dust concentration data collected by the sensor, realizes the dynamic adjustment of the dust reduction efficiency, and adapts to different dust concentration environments, and efficiently reduces the dust content in the roadway.

[0029] Dust collection net position monitoring and control, angle sensors and position sensors are installed below the dust collection net, and the position of the dust collection net can be monitored in real time. These sensors provide accurate data support for the control host, ensure that the dust collection net is in the correct working position, and the control host can adjust the lifting operation of the dust collection net according to the position data.

[0030] Intelligent control and automatic operation, the control host receives data collected from ultrasonic wind speed sensors, differential pressure sensors, dust concentration sensors, angle sensors and position sensors, processes and analyzes the data, and issues commands to the execution mechanism to automatically realize the spraying cleaning and the lifting operation of the dust collection net.

[0031] Automatic release and recovery device, the cleaning and dust collection structure part adopts integrated design and can be directly hung and installed.

[0032] The specific working process of the embodiment is as follows:

[0033] Dynamic environment perception and parameter linkage, the system through the infrared transmission sensor (real-time monitoring of roadway airflow direction speed, differential pressure sensor to capture the dust screen blockage state, dust concentration sensor uses laser scattering technology to realize 0-1000mg / m³ range detection. All data are transmitted to the control host through industrial Ethernet, forming an environmental parameter three-dimensional thermal map. Set threshold trigger mechanism, when the dust concentration > 50mg / m³, automatically activate 200 mesh high-density filter screen and auxiliary spray system, realize double dust reduction; if the differential pressure value exceeds 800Pa for 120 seconds, start the three-stage cleaning alarm, and the spray system flushes the key area. II. Intelligent adjustment of dust screen, adaptive switching of mesh, the system is equipped with a modular filter screen storage rack, which can complete the lifting and switching of 80 / 120 / 200 mesh filter screens within 20 seconds through a double-chain synchronous drive mechanism (error <1mm). The bottom counterweight block is linked with the angle sensor to ensure that the filter screen verticality deviation is <0.5°. III. Efficient cleaning and resource recycling, adopt ring-shaped spray pipe design, 45° staggered nozzles cover the full section of the filter screen. The cleaning pressure is automatically adjusted according to the degree of blockage (0.5-2.5MPa), and the key area is repeatedly flushed 3 times, reducing water consumption by 40% compared with traditional systems. The cleaning wastewater is collected into the sedimentation tank through the V-shaped water collecting tank (slope ≥3%). IV. The construction and operation adaptation guide rail system adopts H-shaped steel sectional connection (each section is 3m), which is fixed on the sidewall of the roadway through chemical anchor bolts (M16x120mm). The dust collection and cleaning module adopts integrated design and is directly hung on the top of the roadway, which is easy to install. The sensor base is pre-installed with a standardized interface to support quick replacement. The system is equipped with 4G, 5G, optical and electrical modules and other communication modules, which can push the running data to the cloud platform and support Web remote start-stop operation and fault diagnosis.

[0034] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and not to limit it. Other modifications or equivalent replacements of the technical solutions of the present application made by those skilled in the art should be covered in the scope of the claims of the present application as long as they do not deviate from the spirit and scope of the technical solutions of the present application.

Claims

1.A multifunctional intelligent dust collection device based on environmental parameters for automatic adjustment of cleaning, comprising a sensor, a plurality of flexible dust collection nets, a cleaning device (8), a driving device and a control host, characterized in that: the sensor comprises an infrared emitter-receiver sensor (12), a differential pressure sensor (10), a dust concentration sensor (9), an angle sensor (14) and a position sensor (16); the plurality of flexible dust collection nets are controlled by the driving device to lift and lower, and the cleaning device (8) is arranged at the front end of the plurality of flexible dust collection nets for cleaning the dust collection nets. 2.The multifunctional intelligent dust collection device based on environmental parameters for automatic adjustment of cleaning according to claim 1, characterized in that: the infrared emitter-receiver sensor (12) is used for detecting a person-vehicle passing signal, and automatically lifting the dust collection nets when a person is detected, and lowering the dust collection nets after the person passes; the differential pressure sensor (10) is used for monitoring the differential pressure on both sides of the dust collection nets to calculate the ventilation resistance; the dust concentration sensor (9) is used for monitoring the dust concentration value in the roadway, and driving the driving device to lower the flexible dust collection nets with different mesh numbers to dynamically adjust the dust reduction efficiency according to the dust concentration set value; the angle sensor (14) and the position sensor (16) are used for monitoring the position below the dust collection nets. 3.The multifunctional intelligent dust collection device based on environmental parameters for automatic adjustment of cleaning according to claim 1, characterized in that: the control host is a mine-used intrinsically safe control box (1) which controls and connects all the sensors and the driving device, and controls a gas circuit (4) through an electromagnetic valve (2), controls a water circuit (5) through a ball valve (3), and the gas circuit (4) and the water circuit (5) are connected to the cleaning device (8) arranged at the front end of the plurality of flexible dust collection nets. 4.The multifunctional intelligent dust collection device based on environmental parameters for automatic adjustment of cleaning according to claim 3, characterized in that: the cleaning device (8) comprises a plurality of spray heads (801) connected to the water circuit (5) and a plurality of compressed air spray heads (802) connected to the gas circuit (4), and the spray heads (801) and the compressed air spray heads (802) face the dust collection nets behind. 5.The multifunctional intelligent dust collection device based on environmental parameters for automatic adjustment of cleaning according to claim 1, characterized in that: the driving device comprises a plurality of side-by-side winding rollers (13), different winding rollers (13) are wound with dust collection nets with different mesh numbers, and the dust collection nets at the frontmost position are fixedly connected with the cleaning device (8). ​ ​ ​ ​ ​ ​ ​ ​ ​

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