Atmospheric pollutant concentration detection device

Abstract

The utility model discloses an atmospheric pollutant concentration detection device, which relates to the technical field of atmospheric detection and comprises a gas detection isolation bin for collecting atmospheric pollutants, a gas sensor is fixedly connected above the gas detection isolation bin, and an outer sleeve is arranged at the bottom of the gas detection isolation bin. A pollutant cleaning assembly is fixedly connected into the outer sleeve; the gas detection isolation bin comprises a double-hole cylindrical shell with inlets and outlets formed in the two sides, the inlets and the outlets in the two sides of the double-hole cylindrical shell are arranged in a staggered mode, and a hole for installing a gas sensor is further formed in the top of the double-hole cylindrical shell; according to the utility model, a water source is fed into the hollow water outlet cylinder through the water pump and is matched with the water outlet holes which are formed in the hollow water outlet cylinder in an annular array manner to flush the inner side of the double-hole cylindrical shell, and pollutants remaining in the double-hole cylindrical shell are discharged through water flow, so that the purpose of cleaning once is achieved; therefore, the detection precision of pollutant concentration detection is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of atmospheric detection, and specifically relates to an atmospheric pollutant concentration detection device. BACKGROUND

[0002] By detecting the atmospheric pollutant concentration, it can be determined whether the air quality of a specific area meets the standard requirements, and long-term atmospheric pollutant concentration detection data can reflect the change trend of air quality. Different pollution sources will emit atmospheric pollutants of specific types and concentration ranges. By detecting the atmospheric pollutant concentration and combining meteorological data, geographic information, and the distribution of surrounding pollution sources, the source of the pollutants can be identified.

[0003] However, in practice, it has been noticed that due to the good flowability of air, pollutants will disperse in all directions with the air. Therefore, before detecting the atmospheric pollutant concentration, the atmospheric pollutants need to be sampled, and after detection, the sampling bin needs to be cleaned to prevent the pollutants from remaining in the sampling bin and affecting the detection accuracy of the next time. During cleaning, the worker generally needs to disassemble the sampling bin for cleaning, and the sampling bin cannot be cleaned after each detection. Generally, it is cleaned at intervals. If the pollutant concentration is detected frequently, it will affect the detection accuracy, and it will take a long time to clean after disassembly, affecting the use efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an atmospheric pollutant concentration detection device, which prolongs the residence time of pollutants inside the double-opening cylindrical shell by staggeredly arranging the inlet and outlet on the double-opening cylindrical shell, reduces the influence of flowability on pollutant concentration detection, and improves the detection accuracy by arranging the automatic cleaning structure on the bottom of the double-opening cylindrical shell to clean the residual pollutants.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An atmospheric pollutant concentration detection device includes a gas detection isolation bin for collecting atmospheric pollutants, a gas sensor fixedly connected above the gas detection isolation bin, and a sleeve tube fixedly connected in the sleeve tube and provided with a pollutant cleaning assembly at the bottom of the gas detection isolation bin.

[0007] The gas detection isolation bin includes a double-opening cylindrical shell provided with inlets and outlets on both sides, the inlets and outlets on both sides of the double-opening cylindrical shell are staggeredly arranged, the top of the double-opening cylindrical shell is further provided with a hole for installing the gas sensor, and the gas sensor extends to the inside of the double-opening cylindrical shell through the hole.

[0008] As a further technical scheme of the utility model, the bottom of the double-hole cylindrical shell is integrally provided with a sealing sleeve, the inner side of the sealing sleeve is communicated with the inner side of the double-hole cylindrical shell, the two sides of the limiting protrusion are integrally provided with limiting protrusions, and the end of the limiting protrusion on any side is integrally provided with a threaded hole plate.

[0009] As a further technical scheme of the utility model, the bottom of the double-hole cylindrical shell is inserted into the outer sleeve, a limiting sliding groove corresponding to the limiting protrusion is formed in the outer sleeve, the limiting protrusion is slidably connected with the limiting sliding groove, and the bottom of the outer sleeve is further provided with symmetrically arranged arc-shaped expansion grooves.

[0010] As a further technical scheme of the utility model, the bottom of the outer sleeve is sleeved with a conical cover, a water tank is arranged below the conical cover, and the two ends of the conical cover are respectively communicated with the outer sleeve and the water tank;

[0011] The side of the conical cover is integrally provided with a horizontal plate, a water supply pump is fixedly connected to the horizontal plate, and the water supply pump is connected with the water tank and the pollutant cleaning assembly through water pipes.

[0012] As a further technical scheme of the utility model, the pollutant cleaning assembly comprises a supporting pipe fixedly connected with the outer sleeve, one end of the supporting pipe penetrates through the outer sleeve and is communicated with the outlet of the water supply pump, the other end of the supporting pipe is fixedly connected with a pipe joint, and a hollow water outlet cylinder is arranged above the pipe joint.

[0013] As a further technical scheme of the utility model, a water outlet is arranged in an annular array on the hollow water outlet cylinder, end plugs are fixedly connected to the two ends of the hollow water outlet cylinder, and a press switch is embedded in the end plug close to the side of the gas detection isolation bin.

[0014] As a further technical scheme of the utility model, the end plug above the hollow water outlet cylinder is inserted into the inner side of the sealing sleeve, a sealing ring is arranged between the end plug and the sealing sleeve, and the sealing ring is clamped in the sealing sleeve.

[0015] As a further technical scheme of the utility model, the outer side of the outer sleeve is fixedly connected with a shell, the water tank is located below the shell, and the bottom of the conical cover penetrates through the shell and is fixedly connected with the water tank.

[0016] The bottom of the shell is fixedly connected with a base, and the water tank is fixedly connected with the base.

[0017] As a further technical scheme of the utility model, the upper side of the shell is fixedly connected with a lifting assembly, the lifting assembly is located on the side of the double-hole cylindrical shell, and the lifting assembly is drivingly connected with the double-hole cylindrical shell.

[0018] As a further technical scheme of the utility model, the lifting assembly includes an L-shaped support, the end of the L-shaped support is fixedly connected with the side surface of the shell, a driving motor is fixedly connected on the L-shaped support, the end of the driving motor penetrates through the L-shaped support and is drivingly connected with a threaded lead screw through a shaft coupling,

[0019] The threaded lead screw is located on the side surface of the double-aperture cylindrical shell, and the end of the threaded lead screw penetrates through the threaded hole plate, and the threaded hole plate and the threaded lead screw are threadedly drivingly connected.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] The utility model discloses, through the double-aperture cylindrical shell that two ends staggeredly are equipped with import and export, the pollutant in atmosphere can be temporarily kept in the inboard of double-aperture cylindrical shell, thereby reducing the air flow speed when detecting the atmospheric pollutant concentration, making it has enough time to check, reduce the influence of atmospheric fluidity to the detection result;

[0022] The utility model discloses, through water pump and send water source into hollow water outlet cylinder, cooperate the water outlet hole that the annular array type is set up on hollow water outlet cylinder, flush the inboard of double-aperture cylindrical shell, through the pollutant that water flow is kept in double-aperture cylindrical shell is discharged, achieve one-time cleaning, thereby improve the detection precision when detecting the pollutant concentration;

[0023] The utility model discloses, through the thread cooperation between threaded hole plate and threaded lead screw, the driving motor can push the gas detection isolation bin to move to the inboard of outer sleeve and clean, and the double-aperture cylindrical shell is contacted with the press switch during the downward movement, realizes the automatic cleaning of the inboard of gas detection isolation bin, saves the dismounting time when manual cleaning, and further improves the use efficiency. ACCURACY

[0024] Figure 1 It is the use state structure schematic drawing of the utility model.

[0025] Figure 2 It is the bottom structure schematic drawing of the utility model Figure 1 .

[0026] Figure 3 It is the internal structure schematic drawing of the utility model Figure 1 .

[0027] Figure 4 It is another view of the utility model Figure 3 .

[0028] Figure 5 It is the three-dimensional structure big schematic drawing of the gas detection isolation bin in the utility model.

[0029] Figure 6 It is the three-dimensional structure big schematic drawing of the gas detection isolation bin in the utility model.Figure 5 A partial enlarged schematic diagram.

[0030] Figure 7 It is a schematic diagram of the three-dimensional structure of the pollutant cleaning group in the utility model.

[0031] Figure 8 This utility model Figure 7 Schematic diagram of the bottom structure.

[0032] Figure 9 It is a top view of the outer sleeve of the utility model.

[0033] Figure 10 This utility model Figure 9 BB cross-sectional view.

[0034] In the picture:

[0035] Housing 1, base 2, water tank 3, gas concentration detection assembly 4, gas sensor 5, gas detection isolation chamber 6, double-hole cylindrical shell 61, limiting protrusion 62, sealing sleeve 63, threaded hole plate 64, lifting assembly 7, L-shaped bracket 71, drive motor 72, threaded screw 73, through hole 74, outer sleeve 8, limiting slide 81, arc expansion groove 82, conical cover 9, water supply pump 10, pollutant cleaning assembly 11, support pipe 111, pipe joint 112, hollow water outlet cylinder 113, end plug 114, push switch 115. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0037] See also Figures 1-10 The embodiment of the utility model provides an atmospheric pollutant concentration detection device, comprising a gas detection isolation chamber 6 for collecting atmospheric pollutants, a gas sensor 5 being fixedly connected to the top of the gas detection isolation chamber 6, an outer sleeve 8 being provided at the bottom of the gas detection isolation chamber 6, and a pollutant cleaning component 11 being fixedly connected to the outer sleeve 8;

[0038] The gas detection isolation bin 6 comprises a double-hole cylindrical shell 61 provided with import and export on both sides, the import and export on both sides of the double-hole cylindrical shell 61 are staggered, the staggered import and export and the double-hole cylindrical shell 61 can slow down the air flow, the top of the double-hole cylindrical shell 61 is also provided with a hole for installing the gas sensor 5, the gas sensor 5 extends to the inside of the double-hole cylindrical shell 61 through the hole.

[0039] In the embodiment, the bottom of the double-hole cylindrical shell 61 is integrally provided with a sealing sleeve 63, the inside of the sealing sleeve 63 is communicated with the inside of the double-hole cylindrical shell 61, the two sides of the limiting protrusion 62 are integrally provided with limiting protrusions 62, and the end of the limiting protrusion 62 on any side is integrally provided with a threaded hole plate 64.

[0040] In the embodiment, the bottom of the double-hole cylindrical shell 61 is inserted into the outer sleeve 8, the outer sleeve 8 is provided with a limiting sliding groove 81 corresponding to the limiting protrusion 62, and the limiting protrusion 62 is slidably connected with the limiting sliding groove 81, and the bottom of the outer sleeve 8 is also provided with symmetrically arranged arc expansion grooves 82.

[0041] In the embodiment, the bottom of the outer sleeve 8 is sleeved with a conical cover 9, the lower part of the conical cover is provided with a water tank 3, and the two ends of the conical cover 9 are respectively communicated with the outer sleeve 8 and the water tank 3.

[0042] The side of the conical cover 9 is integrally provided with a horizontal plate for providing mounting support for the water supply pump 10, the water supply pump 10 is fixedly connected to the horizontal plate, and the water supply pump 10 is connected with the water tank 3 and the pollutant cleaning assembly through water pipes.

[0043] In the embodiment, the pollutant cleaning assembly 11 comprises a supporting pipe 111 fixedly connected with the outer sleeve 8, one end of the supporting pipe 111 penetrates through the outer sleeve 8 and is communicated with the outlet of the water supply pump 10, the other end of the supporting pipe 111 is fixedly connected with a pipe joint 112, and the upper part of the pipe joint 112 is provided with a hollow water outlet cylinder 113.

[0044] In the embodiment, a plurality of water outlets are arranged in an annular array on the hollow water outlet cylinder 113, and end plugs 114 are fixedly connected to both ends of the hollow water outlet cylinder 113, and a press switch 115 is embedded in the end plug 114 close to the gas detection isolation bin 6.

[0045] In the embodiment, the end plug 114 above the hollow water outlet cylinder 113 is inserted into the inside of the sealing sleeve 63, and a sealing ring is arranged between the end plug 114 and the sealing sleeve 63, and the sealing ring is clamped in the sealing sleeve 63.

[0046] In the embodiment, the outer sleeve 8 is fixedly connected with the shell 1, the water tank 3 is located below the shell 1, and the bottom of the conical cover 9 is fixedly connected with the water tank 3 through the shell 1.

[0047] The bottom of the shell 1 is fixedly connected with the base 2, and the water tank 3 is fixedly connected with the base 2.

[0048] In the embodiment, the top of the shell 1 is fixedly connected with the lifting assembly 7, the lifting assembly 7 is located on the side of the double-hole cylindrical shell 61, and the lifting assembly 7 is drivingly connected with the double-hole cylindrical shell 61.

[0049] In the embodiment, the lifting assembly 7 comprises an L-shaped support 71, the end of the L-shaped support 71 is fixedly connected with the side of the shell 1, a driving motor 72 is fixedly connected with the L-shaped support 71, and the end of the driving motor 72 is drivingly connected with a threaded lead screw 73 through a shaft coupling and penetrating the L-shaped support 71.

[0050] In the embodiment, the threaded lead screw 73 is located on the side of the double-hole cylindrical shell 61, and the end of the threaded lead screw 73 penetrates the threaded hole plate 64, and the threaded hole plate 64 and the threaded lead screw 73 are threadedly connected.

[0051] Through the above technical scheme, after each detection, the driving motor 72 drives the threaded lead screw 73 to rotate, the double-hole cylindrical shell 61 is moved downward into the outer sleeve 8 through the thread transmission between the threaded lead screw 73 and the threaded hole plate 64, at the same time, as the double-hole cylindrical shell 61 continuously moves downward, the hollow water outlet cylinder 113 moves to the inside center position of the double-hole cylindrical shell 61 through the sealing sleeve 63, until the top of the double-hole cylindrical shell 61 touches the press switch 115, the contacts inside the press switch 115 are closed to form a loop, after the water pump 10 is powered on, the water source inside the water tank 3 is sent into the hollow water outlet cylinder 113 through the wires, and the water is sprayed to the inside of the double-hole cylindrical shell 61 through the annular array of water outlets on the hollow water outlet cylinder 113, so as to clean the inside of the double-hole cylindrical shell 61, preventing the residual pollutants from affecting the detection accuracy next time.

[0052] In the embodiment, the side of the shell 1 is fixedly connected with the gas concentration detection assembly 4, and the gas concentration detection assembly 4 is electrically connected with the gas sensor 5 through wires.

[0053] In the embodiment, the control module, the power supply module, the gas detection transmitter and the display module are installed in the gas concentration detection assembly 4, wherein the power supply module is electrically connected with the control module to provide stable power output for the entire detection system.

[0054] The control module is electrically connected with the gas detection transmitter and the display module through wires, the gas detection transmitter is electrically connected with the gas sensor 5 through wires, the gas detection transmitter converts information collected by the gas sensor 5 into an output signal and transmits the output signal to the control module, and the control module displays the result on the display module after processing.

[0055] In the embodiment, the water supply pump 10 is electrically connected with the power supply module through wires, the press switch 115 is connected in series between the water supply pump 10 and the power supply module, and the press switch 115 is electrically connected with the water supply pump 10 and the power supply module through wires; after the press switch 115 is extruded, the internal contact is closed to form a loop, and the power supply module supplies power to the water supply pump 10.

[0056] In the embodiment, the driving motor 72 is electrically connected with the control module through wires, the control module transmits an electric signal to the driving motor 72 to control the driving motor 72 to rotate, and the driving motor 72 drives the double-hole cylindrical shell 61 to move up and down through the threaded cooperation between the threaded screw rod 73 and the threaded hole plate 64.

[0057] In the embodiment, the double-hole cylindrical shell 61 is in a hollow cylindrical shape, and the pollutants in the atmosphere enter from one side of the inlet and outlet and do not flow out from the other side, but rotate along the inner wall of the double-hole cylindrical shell 61 and then flow out from the other side of the inlet and outlet, so that the flow speed of the atmosphere is slowed down, and the gas sensor 5 has sufficient time to detect the pollutants.

[0058] The working principle of the utility model is: when in use, first, the driving motor 72 drives the double-hole cylindrical shell 61 to move downwards through the threaded cooperation between the threaded screw rod 73 and the threaded hole plate 64, and the double-hole cylindrical shell 61 is limited through the sliding cooperation between the limiting protrusions 62 on the two sides of the double-hole cylindrical shell 61 and the limiting sliding grooves 81, so that the double-hole cylindrical shell 61 slides downwards to the inner side of the outer sleeve 8 until the top of the double-hole cylindrical shell 61 touches the press switch 115, the internal contact of the press switch 115 is closed to form a loop, the water source in the water tank 3 is sent into the hollow water outlet cylinder 113 through wires after the water supply pump 10 is electrified, the water source is sprayed to the inner side of the double-hole cylindrical shell 61 through the water outlets arranged in an annular array on the hollow water outlet cylinder 113 to clean the inner side of the double-hole cylindrical shell 61, and the sprayed water source flows into the conical cover 9 through the arc-shaped expansion groove 82 and returns to the water tank 3 through the conical cover 9.

[0059] The cleaned double-hole cylindrical shell 61 is moved upward to the original position, the airflow enters from the inlet and outlet on the side of the double-hole cylindrical shell 61, and flows out from the inlet and outlet on the other end. Since the inlets and outlets on both sides of the double-hole cylindrical shell 61 are staggered, the airflow does not flow out from the other end after entering, but stays on the inside of the double-hole cylindrical shell 61 for a short time to obtain the detection time of the gas sensor 5. The gas detection transmitter in the gas concentration detection assembly 4 converts the information collected by the gas sensor 5 into an output signal and transmits it to the control module. After processing by the control module, the results are displayed on the display module.

[0060] After each detection, the gas detection isolation chamber 6 needs to be cleaned to prevent pollutants from remaining on the inside of the gas detection isolation chamber 6, affecting the detection accuracy of the subsequent detection. The lifting assembly 7 controls the automatic lifting of the gas detection isolation chamber 6, and the automatic spraying of the pollutant cleaning assembly 11, improving the automation of cleaning, reducing time consumption and the labor intensity of workers.

[0061] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims, not the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0062] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An atmospheric pollutant concentration detection device, characterized in that: It comprises a gas detection isolation chamber (6) for collecting atmospheric pollutants, a gas sensor (5) is fixedly connected to the top of the gas detection isolation chamber (6), an outer sleeve (8) is provided at the bottom of the gas detection isolation chamber (6), and a pollutant cleaning component (11) is fixedly connected to the outer sleeve (8); The gas detection isolation chamber (6) comprises a double-opening cylindrical shell (61) with inlets and outlets on both sides. The inlets and outlets on both sides of the double-opening cylindrical shell (61) are arranged in an interlaced manner. A hole for installing a gas sensor (5) is also opened on the top of the double-opening cylindrical shell (61). The gas sensor (5) extends through the hole to the inner side of the double-opening cylindrical shell (61).

2. The atmospheric pollutant concentration detection device according to claim 1, characterized in that: The bottom of the double-opening cylindrical shell (61) is integrally provided with a sealing sleeve (63), and the inner side of the sealing sleeve (63) is communicated with the inner side of the double-opening cylindrical shell (61). Both sides of the limiting protrusion (62) are integrally provided with limiting protrusions (62), and the end of the limiting protrusion (62) on either side is integrally provided with a threaded hole plate (64).

3. The atmospheric pollutant concentration detection device according to claim 2, characterized in that: The bottom of the double-opening cylindrical shell (61) is inserted into the outer sleeve (8), and a limiting slide groove (81) corresponding to the limiting protrusion (62) is provided in the outer sleeve (8), and the limiting protrusion (62) is slidably connected to the limiting slide groove (81). The bottom of the outer sleeve (8) is also provided with a symmetrically arranged arc expansion groove (82).

4. The atmospheric pollutant concentration detection device according to claim 3, characterized in that: The bottom of the outer sleeve (8) is sleeved with a conical cover (9), a water tank (3) is provided below the conical cover, and both ends of the conical cover (9) are respectively connected to the outer sleeve (8) and the water tank (3); The side of the conical cover (9) is integrally provided with a transverse plate, to which a water supply pump (10) is fixedly connected. The water supply pump (10) is respectively connected to the water tank (3) and the pollutant cleaning component through water pipes.

5. The atmospheric pollutant concentration detection device according to claim 1, characterized in that: The pollutant cleaning assembly (11) comprises a support tube (111) fixedly connected to the outer sleeve (8), one end of the support tube (111) passes through the outer sleeve (8) and is connected to the outlet of the water supply pump (10), and the other end of the support tube (111) is fixedly connected to a pipe joint (112), and a hollow water outlet cylinder (113) is provided above the pipe joint (112).

6. The atmospheric pollutant concentration detection device according to claim 5, characterized in that: The hollow water outlet cylinder (113) is provided with water outlets in a circular array, and both ends of the hollow water outlet cylinder (113) are fixedly connected to end plugs (114), and a press switch (115) is embedded in the end plug (114) on the side close to the gas detection isolation chamber (6).

7. The atmospheric pollutant concentration detection device according to claim 6, characterized in that: The end plug (114) above the hollow water outlet cylinder (113) is inserted into the inner side of the sealing sleeve (63), and a sealing ring is provided between the end plug (114) and the sealing sleeve (63), and the sealing ring is clamped in the sealing sleeve (63).

8. The atmospheric pollutant concentration detection device according to claim 3, characterized in that: The outer side of the outer sleeve (8) is fixedly connected to the outer shell (1), the water tank (3) is located below the outer shell (1), and the bottom of the conical cover (9) passes through the outer shell (1) and is fixedly connected to the water tank (3); The bottom of the housing (1) is fixedly connected to the base (2), and the water tank (3) is fixedly connected to the base (2).

9. The atmospheric pollutant concentration detection device according to claim 8, characterized in that: A lifting assembly (7) is fixedly connected to the upper portion of the housing (1), the lifting assembly (7) is located on the side of the double-opening cylindrical shell (61), and the lifting assembly (7) is transmission-connected to the double-opening cylindrical shell (61).

10. The atmospheric pollutant concentration detection device according to claim 9, characterized in that: The lifting assembly (7) includes an L-shaped bracket (71), the end of the L-shaped bracket (71) is fixedly connected to the side of the housing (1), a driving motor (72) is fixedly connected to the L-shaped bracket (71), and the end of the driving motor (72) passes through the L-shaped bracket (71) and is connected to a threaded screw (73) through a coupling. The threaded screw (73) is located on the side of the double-opening cylindrical shell (61), and the end of the threaded screw (73) passes through the threaded hole plate (64). The threaded hole plate (64) and the threaded screw (73) are connected by threaded transmission.

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