Flying dust monitoring device

Abstract

The utility model relates to the technical field of flying dust monitoring, in particular to a flying dust monitoring device which comprises a monitoring box body and a moving frame, the monitoring box body is arranged at the upper end of the moving frame, air inlets are formed in the four side walls of the monitoring box body, and four sets of particulate matter sensors corresponding to the air inlets are arranged in the monitoring box body. An electromagnetic valve communicated with the air inlet is arranged on the side wall of the monitoring box body, a controller, an RTC clock, an electronic switch and a storage battery are further arranged in the monitoring box body, a wind direction sensor is arranged at the upper end of the monitoring box body, the controller is used for controlling opening or closing of the electromagnetic valve according to monitoring data of the wind direction sensor, and the RTC clock is used for awakening the controller in a timing mode. And the controller controls the storage battery to supply power to the particulate matter sensor, the electromagnetic valve and the wind direction sensor according to the electronic switch. According to the utility model, the power consumption can be effectively reduced, and the power supply duration of the storage battery is prolonged; the air inlet can be prevented from being blocked by sundries or dust, and stable operation of the particulate matter sensor is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of dust monitoring, in particular to a dust monitoring device. Background Art

[0002] Existing dust monitoring devices have only a single air inlet, which is easily blocked by debris or dust, reducing the air intake, resulting in inaccurate or malfunctioning particle sensor detection data; moreover, existing dust monitoring devices usually perform continuous monitoring, consume high power, and cause power supply problems. In addition, existing dust monitoring devices are generally installed outdoors and are prone to tipping over in bad weather, affecting the normal use of the dust monitoring devices. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a dust monitoring device.

[0004] The utility model provides the following technical solutions: a dust monitoring device, comprising a monitoring box and a mobile frame, wherein the monitoring box is arranged at the upper end of the mobile frame, and air inlets are arranged on the four side walls of the monitoring box. Four groups of particle sensors corresponding to the air inlets are arranged in the monitoring box, and a solenoid valve connected to the air inlet is arranged on the side wall of the monitoring box. A controller, an RTC clock, an electronic switch and a battery are also arranged in the monitoring box. A wind direction sensor is arranged at the upper end of the monitoring box, and the controller is used to control the opening or closing of the solenoid valve according to the monitoring data of the wind direction sensor. The RTC clock is used to wake up the controller at a fixed time, so that the controller controls the battery to supply power to the particle sensor, the solenoid valve and the wind direction sensor according to the electronic switch.

[0005] The dust monitoring device of one embodiment of the utility model sets an RTC clock to wake up the controller at a fixed time, and the controller turns on the electronic switch so that the battery can power the particle sensor, the solenoid valve and the wind direction sensor to start the dust monitoring work, thereby achieving the purpose of regular monitoring, and when the dust monitoring is not turned on, all power-consuming devices are disconnected from the battery, which can effectively reduce power consumption and increase the power supply time of the battery; by setting four solenoid valves and corresponding four groups of particle sensors, according to the data monitored by the wind direction sensor, the solenoid valve corresponding to the wind direction data is controlled to open, thereby improving the accuracy of dust monitoring, and when the dust monitoring is not turned on, the air inlet is closed by the solenoid valve, which can prevent the air inlet from being blocked by debris or dust, thereby ensuring the stable operation of the particle sensor.

[0006] Furthermore, a wireless communication module is also provided in the monitoring box, and the wireless communication module is electrically connected to the controller. The wireless communication module is used to transmit the data monitored by the particle sensor back to the data monitoring platform.

[0007] Furthermore, the monitoring box is provided with four groups of temperature and humidity sensors corresponding to the air inlets, and the temperature and humidity sensors are electrically connected to the controller.

[0008] Furthermore, the mobile frame includes a lifting rod and a chassis, the lifting rod is composed of a sleeve rod and a sliding rod, the sleeve rod is connected to the chassis, the sliding rod is embedded in the sleeve rod and is slidably connected thereto, a plurality of corresponding sockets are provided on the side walls of the sleeve rod and the sliding rod, the sockets are provided with positioning pins for fixing the sliding rod on the sleeve rod, and the upper end of the sliding rod is connected to the monitoring box.

[0009] Furthermore, a plurality of reinforcing plates in the form of right-angled triangles are evenly arranged on the side wall at the lower end of the sleeve rod, and the right-angled sides at the lower ends of the reinforcing plates are connected to the chassis.

[0010] Furthermore, a mounting tube is provided on the lower end surface of the monitoring box, and the upper end of the sliding rod is embedded in the mounting tube, thereby being fixedly connected to the monitoring box.

[0011] Furthermore, extension rods are provided at the four corners of the chassis, and universal wheels are provided at the lower ends of the extension rods away from the chassis.

[0012] Furthermore, a positioning assembly is provided on the side wall of the extension rod away from the chassis, and the positioning assembly includes a positioning ring and a positioning suction cup. The positioning ring is fixedly connected to the side wall of the extension rod, and the upper end of the positioning suction cup passes through the positioning ring and is threadedly connected to the positioning ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0014] Figure 1 It is a structural schematic diagram of the dust monitoring device of the utility model;

[0015] Figure 2 This is a system structure diagram of the dust monitoring device of the utility model;

[0016] Figure 3 It is a structural schematic diagram of a sleeve rod and a slide rod in the dust monitoring device of the utility model;

[0017] Figure 4 It is a schematic diagram of the front structure of the monitoring box in the dust monitoring device of the utility model;

[0018] Figure 5 for Figure 1 A magnified schematic diagram of part A in the figure.

[0019] Description of reference numerals:

[0020] 10. Monitoring box; 11. Air inlet; 12. Particle sensor; 13. Solenoid valve; 14. Controller; 15. RTC clock; 16. Electronic switch; 17. Battery; 18. Wind direction sensor; 19. Wireless communication module; 20. Temperature and humidity sensor; 21. Mounting tube; 30. Mobile frame; 31. Lifting rod; 311. Sleeve rod; 312. Sliding rod; 313. Socket; 314. Locating pin; 32. Chassis; 33. Reinforcement plate; 34. Extension rod; 35. Universal wheel; 36. Positioning assembly; 361. Positioning ring; 362. Positioning suction cup. DETAILED DESCRIPTION

[0021] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0022] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0024] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0025] Reference Figures 1 to 5 In one embodiment of the utility model, a dust monitoring device includes a monitoring box 10 and a mobile frame 30, the monitoring box 10 is arranged at the upper end of the mobile frame 30, and air inlets 11 are arranged on the four side walls of the monitoring box 10. Four groups of particle sensors 12 corresponding to the air inlets 11 are arranged in the monitoring box 10, and a solenoid valve 13 connected to the air inlet 11 is arranged on the side wall of the monitoring box 10. A controller 14, an RTC clock 15, an electronic switch 16 and a battery 17 are also arranged in the monitoring box 10. A wind direction sensor 18 is arranged at the upper end of the monitoring box 10, and the controller 14 is used to control the opening or closing of the solenoid valve 13 according to the monitoring data of the wind direction sensor 18, and the RTC clock 15 is used to wake up the controller 14 at a time, so that the controller 14 controls the battery 17 to power the particle sensor 12, the solenoid valve 13 and the wind direction sensor 18 according to the electronic switch 16.

[0026] The dust monitoring device of one embodiment of the utility model sets an RTC clock 15 to periodically wake up the controller 14, and the controller 14 turns on the electronic switch 16 so that the battery 17 supplies power to the particle sensor 12, the solenoid valve 13 and the wind direction sensor 18 to start the dust monitoring work, thereby achieving the purpose of timed monitoring, and when the dust monitoring is not turned on, all power-consuming devices are disconnected from the battery 17, which can effectively reduce power consumption and increase the power supply time of the battery 17; by setting four solenoid valves 13 and corresponding four groups of particle sensors 12, according to the data monitored by the wind direction sensor 18, the solenoid valve 13 corresponding to the wind direction data is controlled to open, thereby improving the accuracy of dust monitoring, and when the dust monitoring is not turned on, the air inlet 11 is closed by the solenoid valve 13, which can prevent the air inlet 11 from being blocked by debris or dust, thereby ensuring the stable operation of the particle sensor 12.

[0027] A wireless communication module 19 is also provided in the monitoring box 10. The wireless communication module 19 is electrically connected to the controller 14. The wireless communication module 19 is used to transmit the data monitored by the particle matter sensor 12 back to the data monitoring platform; through the wireless communication module 19, the data monitored by the particle matter sensor 12 can be transmitted back to the data monitoring platform in real time, which is convenient for the staff to monitor and manage; in this embodiment, the wireless communication module 19 adopts a NB-IOT communication module, the controller 14 adopts an MCU, and the wireless communication module 19 communicates with the controller 14 through UART1; the electronic switch 16 and the battery 17 are conventional equipment and will not be repeated here.

[0028] The monitoring box 10 is also provided with four groups of temperature and humidity sensors 20 corresponding to the air inlet 11, and the temperature and humidity sensors 20 are electrically connected to the controller 14; the temperature and humidity sensors 20 can realize data collection of temperature and humidity, which can be used as important parameters for dust analysis; in this embodiment, the temperature and humidity sensors 20 communicate with the controller 14 through the IIC bus.

[0029] The mobile frame 30 includes a lifting rod 31 and a chassis 32. The lifting rod 31 is composed of a sleeve rod 311 and a slide rod 312. The sleeve rod 311 is connected to the chassis 32. The slide rod 312 is embedded in the sleeve rod 311 and slidably connected thereto. A plurality of corresponding sockets 313 are provided on the side walls of the sleeve rod 311 and the slide rod 312. The sockets 313 are provided with positioning pins 314 for fixing the slide rod 312 on the sleeve rod 311. The upper end of the slide rod 312 is connected to the monitoring box 10. The chassis 32 plays a stabilizing role and can avoid being in contact with the lifting rod. The monitoring box 10 connected to the rod 31 is tilted, and the lifting rod 31 can adjust the installation height of the monitoring box 10 so that the monitoring box 10 can perform dust monitoring in environments with different heights. The sleeve rod 311 cooperates with the slide bar 312 to facilitate the lifting and lowering adjustment of the slide bar 312, and then the positioning pin 314 is used for positioning to ensure the stability of the slide bar 312 after adjustment; in this embodiment, two positioning pins 314 are provided to ensure a stable connection, and the positioning pin 314 is threadedly connected to the jack 313 to prevent the positioning pin 314 from loosening.

[0030] The lower end side wall of the sleeve rod 311 is evenly provided with a plurality of reinforcing plates 33 in the shape of a right-angled triangle, and the lower right-angled sides of the reinforcing plates 33 are connected to the chassis 32; by providing the reinforcing plates 33, the strength of the connection between the sleeve rod 311 and the chassis 32 can be improved; in this embodiment, a total of four reinforcing plates 33 are provided.

[0031] The lower end surface of the monitoring box 10 is provided with a mounting tube 21, and the upper end of the slide rod 312 is embedded in the mounting tube 21, so as to be fixedly connected to the monitoring box 10; by inserting the slide rod 312 into the sleeve rod 311, the monitoring box 10 can be installed on the lifting rod 31, which is convenient for disassembly and assembly; in this embodiment, the height of the mounting tube 21 can ensure that the monitoring box 10 is stably connected to the slide rod 312, and the mounting tube 21 is located at the center of the lower end surface of the monitoring box 10. During specific implementation, the sleeve rod 311 can also be provided with a pin that passes through the sleeve rod 311 and the upper end of the slide rod 312 to further ensure the stability of the connection between the monitoring box 10 and the slide rod 312. In this embodiment, only two sockets 313 are provided on the side wall of the sleeve rod 311, and seven sockets 313 are provided on the slide rod 312.

[0032] Extension rods 34 are provided at the four corners of the chassis 32, and universal wheels 35 are provided at the lower ends of the extension rods 34 away from the chassis 32; the provision of the extension rods 34 can further improve the stability of the chassis 32, and the provision of the universal wheels 35 facilitates the movement of the dust monitoring device of the utility model.

[0033] A positioning assembly 36 is provided on the side wall of the extension rod 34 away from the chassis 32. The positioning assembly 36 includes a positioning ring 361 and a positioning suction cup 362. The positioning ring 361 is fixedly connected to the side wall of the extension rod 34. The upper end of the positioning suction cup 362 passes through the positioning ring 361 and is threadedly connected to the positioning ring 361. After moving the dust monitoring device to a specified position, it is only necessary to rotate the positioning suction cup 362 to make it abut against the ground, so as to increase the friction between the chassis 32 and the ground, making it difficult to slide relative to the ground. When moving the dust monitoring device, the positioning suction cup 362 is rotated in the opposite direction to keep a gap between it and the ground, thereby facilitating the rolling of the universal wheel 35.

[0034] In this embodiment, when the wind direction sensor 18 detects positive wind, the controller 14 controls the corresponding solenoid valve 13 to open; when the wind direction sensor 18 detects southeast wind, southwest wind, northwest wind or northeast wind, the controller 14 controls the solenoid valves 13 in the corresponding two directions to open; when the wind direction sensor 18 detects no wind, the controller 14 controls any one of the solenoid valves 13 to open; in this embodiment, the structure and principle of the particulate matter sensor 12 in the monitoring box 10 to collect dust data are well known to those skilled in the art, so they are not described in detail here. In specific implementation, the particulate matter sensor 12 uses a PM2.5 sensor and a PM10 sensor.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dust monitoring device, characterized in that: The invention comprises a monitoring box and a mobile frame, wherein the monitoring box is arranged at the upper end of the mobile frame, and air inlets are arranged on the four side walls of the monitoring box, and four groups of particle sensors corresponding to the air inlets are arranged in the monitoring box, and a solenoid valve connected with the air inlet is arranged on the side wall of the monitoring box, and a controller, an RTC clock, an electronic switch and a battery are also arranged in the monitoring box, and a wind direction sensor is arranged at the upper end of the monitoring box, and the controller is used to control the opening or closing of the solenoid valve according to the monitoring data of the wind direction sensor, and the RTC clock is used to wake up the controller at a fixed time, so that the controller controls the battery to supply power to the particle sensor, the solenoid valve and the wind direction sensor according to the electronic switch.

2. The dust monitoring device according to claim 1, characterized in that: The monitoring box is also provided with a wireless communication module, the wireless communication module is electrically connected to the controller, and the wireless communication module is used to transmit the data monitored by the particle sensor back to the data monitoring platform.

3. The dust monitoring device according to claim 1, characterized in that: The monitoring box is also provided with four groups of temperature and humidity sensors corresponding to the air inlets, and the temperature and humidity sensors are electrically connected to the controller.

4. The dust monitoring device according to claim 1, characterized in that: The mobile frame includes a lifting rod and a chassis, the lifting rod is composed of a sleeve rod and a sliding rod, the sleeve rod is connected to the chassis, the sliding rod is embedded in the sleeve rod and is slidably connected to the sleeve rod, a plurality of corresponding holes are provided on the side walls of the sleeve rod and the sliding rod, the holes are provided with positioning pins for fixing the sliding rod on the sleeve rod, and the upper end of the sliding rod is connected to the monitoring box.

5. The dust monitoring device according to claim 4, characterized in that: The lower end side wall of the sleeve rod is evenly provided with a plurality of reinforcing plates in the shape of a right-angled triangle, and the lower right-angled sides of the reinforcing plates are connected to the chassis.

6. The dust monitoring device according to claim 4, characterized in that: The lower end surface of the monitoring box is provided with a mounting tube, and the upper end of the sliding rod is embedded in the mounting tube, so as to be fixedly connected with the monitoring box.

7. The dust monitoring device according to claim 4, characterized in that: Extension rods are arranged at the four corners of the chassis, and universal wheels are arranged at the lower ends of the extension rods away from the chassis.

8. The dust monitoring device according to claim 7, characterized in that: A positioning assembly is provided on the side wall of the extension rod away from the chassis. The positioning assembly includes a positioning ring and a positioning suction cup. The positioning ring is fixedly connected to the side wall of the extension rod. The upper end of the positioning suction cup passes through the positioning ring and is threadedly connected to the positioning ring.

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