Environmental protection monitoring equipment

Abstract

The utility model discloses an environmental protection monitoring device, which relates to the field of environmental protection monitoring, including a device main body and an air blowing structure. The utility model proposes an environmental protection monitoring device, wherein the bottom end of the device main body is fixedly connected with the air blowing structure; an air intake pipe, the air intake pipe is threadedly connected to one end of a fan structure of the air blowing structure, and plays a role of guiding airflow in the air blowing structure; an anti-blowing blower, the anti-blowing blower is fixed to the inner wall of the air intake pipe by a fan fixing plate, and plays a role of drainage and backblowing in the air intake pipe. When in use, the detection device can blow the airflow of the environment into the interior of the device main body through the air blowing structure, and the interior of the device main body detects dust particles by light scattering. The air blowing structure of the device can perform self-cleaning after a single use, and the dust particles remaining in the air blowing structure are blown out in the reverse direction, so as to ensure the cleanliness of the interior of the air blowing structure, so as to avoid interference with subsequent measurement data.

Description

Technical Field

[0001] The utility model relates to the field of environmental protection monitoring, in particular to an environmental protection monitoring device. Background Art

[0002] Environmental monitoring mainly refers to related environmental monitoring activities carried out for environmental protection projects. Dust sensor is a kind of environmental monitoring equipment. It is a sensor for detecting the concentration of particulate matter in the air. It can detect particles with a diameter greater than 0.5 microns. Its working principle is mainly based on light scattering or light absorption. Through its precise detection and data analysis, it can provide strong support for environmental protection, health protection and industrial production.

[0003] After long-term use, existing dust sensors may experience performance degradation due to dust accumulation or other reasons. In addition, after a single use, due to the lack of internal self-cleaning equipment, dust in the environment will remain inside the sensor, affecting subsequent detection results. Therefore, there is still room for improvement in self-cleaning and dust prevention. Utility Model Content

[0004] The purpose of the utility model is to provide an environmental protection monitoring device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an environmental protection monitoring device, comprising a device body and an air blowing structure, wherein the bottom end of the device body is fixedly connected with the air blowing structure;

[0006] An air intake pipe, the air intake pipe is threadedly connected to one end of the fan structure of the air blowing structure, and plays a role in guiding airflow in the air blowing structure;

[0007] The back-blowing fan is fixed to the inner wall of the air intake pipe by a fan fixing plate, and plays a role of drainage and back-blowing in the air intake pipe.

[0008] Preferably, the device body includes a base plate, a mounting groove, a circuit board, a processing unit, an exhaust pipe and an external socket. The surface of the base plate is provided with several groups of penetrating mounting grooves, the surface of the base plate is fixedly connected with a circuit board, the surface of the circuit board is welded with a processing unit and an external socket, an opening is provided at the top of the processing unit, and an exhaust pipe is fixedly connected in the opening.

[0009] Preferably, the blowing structure includes a fan structure and an air inlet pipe, the fan structure is fixed on the base plate surface of the device body, one end of the fan structure is threadedly connected to the air inlet pipe, and the top end of the air inlet pipe is inserted into the bottom opening of the processing unit of the device body.

[0010] Preferably, the fan structure includes an outer plate, an inner plate, a fan, an installation slot, a dust baffle, a first air inlet hole and an air inlet pipe slot. The outer plate and the inner plate are fixed by snaps. The fan is fixedly connected to the front side of the inner wall of the outer plate. An installation slot is opened at the bottom end of the inner plate, a dust baffle is installed inside the installation slot slot, a first air inlet hole is opened through one side of the inner plate, and an air inlet pipe slot is fixedly connected to the outside of the inner plate.

[0011] Preferably, the air intake pipe includes an air intake pipe body, a second air intake hole, a fan fixing plate and a back-blowing blower. A second air intake hole is provided on one side of the bottom of the air intake pipe body. The interior of the air intake pipe body is hollow. The inner wall of the air intake pipe body is fixedly connected to the fan fixing plate, and the top of the fan fixing plate is fixedly connected to the back-blowing blower.

[0012] Preferably, the bottom end of the air intake pipe body of the air intake pipe and the bottom inner wall of the air intake pipe slot of the fan structure are both threaded.

[0013] Preferably, the driving motor of the back-blowing blower is a stepping motor.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] An environmental protection monitoring device proposed by the utility model comprises a device main body and an air blowing structure, wherein the bottom end of the device main body is fixedly connected with the air blowing structure; an air inlet pipe, the air inlet pipe is threadedly connected to one end of the fan structure of the air blowing structure, and plays a role of guiding airflow in the air blowing structure; an anti-blowing blower, the anti-blowing blower is fixed to the inner wall of the air inlet pipe by a fan fixing plate, and plays a role of drainage and backblowing in the air inlet pipe. When in use, the detection device can blow the airflow of the environment into the interior of the device main body through the air blowing structure, and the interior of the device main body detects dust particles by light scattering. The air blowing structure of the device can perform self-cleaning after a single use, and the dust particles remaining in the air blowing structure are blown out in reverse, so as to ensure the cleanliness of the interior of the air blowing structure to avoid interference with subsequent measurement data. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the environmental protection monitoring equipment of the utility model Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the environmental protection monitoring equipment of the utility model Figure 2 ;

[0019] Figure 3 This is a schematic diagram of the blowing structure of the environmental protection monitoring equipment of the utility model;

[0020] Figure 4 This is a disassembled diagram of the blowing structure of the environmental protection monitoring equipment of the utility model.

[0021] In the figure: 1. Equipment body; 2. Air blowing structure; 3. Base plate; 4. Mounting slot; 5. Circuit board; 6. Processing unit; 7. Exhaust pipe; 8. External socket; 9. Fan structure; 10. Inlet pipe; 11. Outer plate; 12. Inner plate; 13. Fan; 14. Mounting slot; 15. Dust baffle; 16. First air inlet hole; 17. Inlet pipe slot; 18. Inlet pipe body; 19. Second air inlet hole; 20. Fan fixing plate; 21. Back-blowing fan. DETAILED DESCRIPTION

[0022] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.

[0023] It should be noted that many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0024] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In the present utility model, 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 one; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. However, if it is indicated as a direct connection, it means that the two connected bodies are not connected through an intermediate structure, but are connected to form a whole only through a connecting structure. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0026] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0027] Embodiment 1

[0028] See also Figures 1 to 4 , the utility model provides a technical solution: an environmental protection monitoring device, comprising a device body 1 and a blowing structure 2, wherein the bottom end of the device body 1 is fixedly connected with the blowing structure 2;

[0029] An air inlet pipe 10, the air inlet pipe 10 is threadedly connected to one end of the fan structure 9 of the air blowing structure 2, and plays a role in guiding the air flow in the air blowing structure 2;

[0030] The back-blowing device 21 is fixed to the inner wall of the air inlet pipe 10 by a fan fixing plate 20, and plays a role of drainage and back-blowing in the air inlet pipe 10;

[0031] When in use, the detection device can blow the airflow of the environment into the interior of the device body 1 through the blowing structure 2. The interior of the device body 1 detects dust particles by light scattering. The blowing structure 2 of the device can self-clean after a single use, and the dust particles remaining in the blowing structure 2 are blown out in reverse to ensure the cleanliness of the interior of the blowing structure 2 to avoid interference with subsequent measurement data.

[0032] Embodiment 2

[0033] On the basis of the first embodiment, the device body 1 includes a base plate 3, a mounting slot 4, a circuit board 5, a processing unit 6, an exhaust pipe 7 and an external socket 8. The surface of the base plate 3 is provided with a plurality of groups of penetrating mounting slots 4, the surface of the base plate 3 is fixedly connected with a circuit board 5, the surface of the circuit board 5 is welded with a processing unit 6 and an external socket 8, and the top of the processing unit 6 is provided with an opening, and the exhaust pipe 7 is fixedly connected in the opening;

[0034] When in use, the blowing structure 2 draws the airflow containing dust in the environment into the processing unit 6. The sensor in the processing unit 6 emits a beam of light into the airflow. When the beam of light encounters dust particles in the airflow, light scattering or light absorption will occur. In the light scattering phenomenon, after encountering dust particles, the light will be scattered in different directions due to the presence of the particles, forming scattered light. The sensor will be equipped with a photosensitive element to receive the scattered light and convert the received light signal into an electrical signal. These electrical signals will undergo a series of processing, such as amplification, filtering and analog-to-digital conversion, and will eventually be analyzed and processed by a microprocessor or other electronic components to derive the dust concentration in the air. The airflow is discharged to the outside through the exhaust pipe 7.

[0035] The blowing structure 2 includes a fan structure 9 and an air inlet pipe 10. The fan structure 9 is fixed to the surface of the base plate 3 of the device body 1. One end of the fan structure 9 is threadedly connected to the air inlet pipe 10. The top end of the air inlet pipe 10 is inserted into the bottom opening of the processing unit 6 of the device body 1.

[0036] The fan structure 9 sucks in external air, and the air intake pipe 10 is responsible for transporting the sucked air to the processing unit 6 of the device body 1.

[0037] Embodiment 3

[0038] On the basis of the first embodiment, the fan structure 9 includes an outer plate 11, an inner plate 12, a fan 13, an installation slot 14, a dust baffle 15, a first air inlet 16 and an air inlet pipe slot 17. The outer plate 11 and the inner plate 12 are fixed by snaps, the fan 13 is fixedly connected to the front side of the inner wall of the outer plate 11, the bottom end of the inner plate 12 is provided with an installation slot 14, the dust baffle 15 is installed inside the installation slot 14, a first air inlet 16 is provided on one side of the inner plate 12, and the air inlet pipe slot 17 is fixedly connected to the outside of the inner plate 12;

[0039] The air intake pipe 10 includes an air intake pipe body 18, a second air intake hole 19, a fan fixing plate 20 and a blower 21. A second air intake hole 19 is provided on one side of the bottom of the air intake pipe body 18. The air intake pipe body 18 is hollow inside. The fan fixing plate 20 is fixedly connected to the inner wall of the air intake pipe body 18. The blower 21 is fixedly connected to the top of the fan fixing plate 20.

[0040] The driving motor of the anti-blowing blower 21 is a stepping motor;

[0041] When in use, the dust baffle 15 pre-inserted in the installation slot 14 is pulled out, and the fan 13 rotates to suck in external air through the installation slot 14, and enters the intake pipe slot 17 through the first air inlet hole 16, and then enters the intake pipe main body 18. The back-blowing fan 21 rotates forward to conduct the airflow upward. After use, the back-blowing fan 21 reverses to blow out the air remaining in the intake pipe main body 18 in the opposite direction, so as to ensure the cleanliness of the interior and reduce interference with the next measurement.

[0042] The bottom end of the air intake pipe body 18 of the air intake pipe 10 and the bottom inner wall of the air intake pipe slot 17 of the fan structure 9 are both threaded;

[0043] After use, the air inlet pipe body 18 is rotated so that the second air inlet hole 19 is staggered with the first air inlet hole 16, and the dust baffle 15 is re-fastened in the installation slot 14 to reduce dust infiltration. After long-term use, the outer plate 11 can also be removed from the inner plate 12 by snapping, and the dust attached to the surface of the fan 13 can be cleaned and then reinstalled.

[0044] A person skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention, including the claims, is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0045] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. An environmental protection monitoring device, comprising a device body (1) and an air blowing structure (2), characterized in that: The bottom end of the equipment body (1) is fixedly connected with a blowing structure (2); An air intake pipe (10), the air intake pipe (10) is threadedly connected to one end of the fan structure (9) of the air blowing structure (2), and plays a role in guiding airflow in the air blowing structure (2); The back-blowing fan (21) is fixed to the inner wall of the air inlet pipe (10) by means of a fan fixing plate (20), and plays a role of drainage and back-blowing in the air inlet pipe (10).

2. The environmental protection monitoring device according to claim 1, characterized in that: The device body (1) comprises a base plate (3), a mounting groove (4), a circuit board (5), a processing unit (6), an exhaust pipe (7) and an external socket (8); the surface of the base plate (3) is provided with a plurality of groups of penetrating mounting grooves (4); the surface of the base plate (3) is fixedly connected with a circuit board (5); the surface of the circuit board (5) is welded with a processing unit (6) and an external socket (8); the top of the processing unit (6) is provided with an opening, and the exhaust pipe (7) is fixedly connected in the opening.

3. The environmental protection monitoring device according to claim 1, characterized in that: The air blowing structure (2) comprises a fan structure (9) and an air intake pipe (10); the fan structure (9) is fixed on the surface of a base plate (3) of the device body (1); one end of the fan structure (9) is threadedly connected to the air intake pipe (10); and the top end of the air intake pipe (10) is inserted into the bottom opening of the processing unit (6) of the device body (1).

4. The environmental protection monitoring device according to claim 3, characterized in that: The fan structure (9) comprises an outer plate (11), an inner plate (12), a fan (13), an installation slot (14), a dust baffle (15), a first air inlet (16) and an air inlet pipe slot (17); the outer plate (11) and the inner plate (12) are fixed by a buckle; the fan (13) is fixedly connected to the front side of the inner wall of the outer plate (11); an installation slot (14) is provided at the bottom end of the inner plate (12); a dust baffle (15) is installed inside the installation slot (14); a first air inlet (16) is provided on one side of the inner plate (12); and an air inlet pipe slot (17) is fixedly connected to the outer side of the inner plate (12).

5. The environmental protection monitoring device according to claim 3, characterized in that: The air intake pipe (10) comprises an air intake pipe body (18), a second air intake hole (19), a fan fixing plate (20) and a back-blowing blower (21); a second air intake hole (19) is provided on one side of the bottom of the air intake pipe body (18); the interior of the air intake pipe body (18) is hollow; the inner wall of the air intake pipe body (18) is fixedly connected to the fan fixing plate (20); and the top of the fan fixing plate (20) is fixedly connected to the back-blowing blower (21).

6. The environmental protection monitoring device according to claim 3, characterized in that: The bottom end of the air intake pipe body (18) of the air intake pipe (10) and the bottom inner wall of the air intake pipe slot (17) of the fan structure (9) are both threaded.

7. The environmental protection monitoring device according to claim 5, characterized in that: The driving motor of the blower (21) is a stepping motor.

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