Portable malodorous gas concentration monitoring device

Abstract

The utility model discloses a portable malodorous gas concentration monitoring device which comprises a cylindrical shell, a through groove penetrating through the two ends of the shell is formed in the shell, the inner circumferential face of the shell is fixedly connected with a connecting plate, the surface of the connecting plate is fixedly connected with a main control panel, and the main control panel is fixedly connected with a gas inlet and a gas outlet. The main control board is electrically connected with a plurality of sensors, the upper end and the lower end of the outer shell are respectively provided with a movable sealing cover, the outer shell is arranged, the through groove used for containing the sensors is formed in the outer shell, and the main control board and the sensors are arranged in the through groove, so that the malodorous gas monitoring and alarming functions are achieved; the movable sealing covers are arranged at the two ends of the through groove, so that the through groove can be sealed through the sealing covers in the equipment moving process, internal circuit elements are protected, and dust and impurities are prevented from entering the equipment to affect the equipment monitoring effect.

Description

Technical Field

[0001] The utility model relates to the technical field of odor monitoring instruments, in particular to a portable odor gas concentration monitoring device. Background Art

[0002] Malodor refers to any gaseous substance that stimulates the olfactory organ, causes discomfort to people and damages the living environment. Malodor comes from a variety of sources, including decoration pollution caused by home decoration, such as volatile organic compounds (VOCs), such as formaldehyde, toluene, etc., or toxic and harmful gases emitted by chemical plants, or the odor emitted by rotting garbage in landfills, or the smell of cooking fumes emitted by restaurants; in addition, various inorganic pollutants such as hydrogen sulfide (H2S), ammonia (NH3), sulfur dioxide (SO2), nitrogen oxides (NOx), etc., are also sources of malodor. The complex sources of malodor make daily monitoring very difficult. At the same time, an important feature of malodor emissions is intervals and uncertainty, so the timeliness and real-time requirements of monitoring are very high. Therefore, the monitoring equipment needs to be easy to move and set up, and the equipment also needs to be protected to prevent affecting the accuracy of monitoring. For this reason, a portable malodor gas concentration monitoring device is proposed. Utility Model Content

[0003] The purpose of the utility model is to provide a portable malodorous gas concentration monitoring device to solve the problems raised in the above background technology.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a portable malodorous gas concentration monitoring device, comprising a shell, which is cylindrical, and the interior of the shell is provided with through grooves running through both ends of the shell, and the inner circumferential surface of the shell is fixedly connected to a connecting plate, and the surface of the connecting plate is fixedly connected to a main control board, and the main control board is electrically connected to a plurality of sensors, and movable covers are respectively provided at the upper and lower ends of the shell.

[0005] According to the above technical solution, the outer circumferential surface of the shell is fixedly connected with a plurality of strip-shaped protrusions extending in the same direction along the axial direction of the shell, the strip-shaped protrusions are evenly distributed on the outer circumferential surface of the shell in a ring shape, and the interior of the strip-shaped protrusions is provided with movable grooves extending in the same direction, and movable rods are movably provided at the upper and lower ends of the movable grooves, respectively, and the sealing cover is fixedly connected to the movable rod at the corresponding end.

[0006] According to the above technical solution, a rotating tube is rotatably arranged inside the movable groove, strip grooves are coaxially arranged at both ends of the rotating tube, a movable rod is slidably arranged on the inner surface of the strip groove, a transmission screw threadedly connected to the movable rod is fixedly connected inside the rotating tube, and a driving motor for driving the rotating tube to rotate is arranged inside the outer shell.

[0007] According to the above technical solution, a transmission gear is coaxially connected at the center of the rotating tube, the transmission gear passes through the inner wall of the through groove, and a ring gear is coaxially rotated on the inner surface of the through groove. The transmission gears are respectively meshed with the ring gears, and the drive motor is coaxially connected with a gear meshed with the ring gear.

[0008] According to the above technical solution, a movable cover is movably provided on one side of the cover close to the shell, and an elastic element is provided between the movable cover and the corresponding cover.

[0009] According to the above technical solution, the inner circumferential surfaces at both ends of the through groove are respectively fixedly connected with filters, and the inner surface of the through groove is fixedly connected with a fan.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the utility model is provided with a shell, a through slot for accommodating a sensor is provided inside the shell, a main control board and a sensor are provided in the through slot to realize the monitoring and alarm function of odorous gas, and movable covers are provided at both ends of the through slot, so that the through slot can be sealed by the cover during the movement of the equipment to protect the internal circuit components and prevent dust and impurities from entering the equipment to affect the monitoring effect of the equipment. Specifically, the utility model has the following advantages:

[0011] 1. By setting a movable cover, when the equipment needs to be transported by moving the board, the cover is closed to protect the internal circuit components and prevent impurities and dust from blocking the sensor image monitoring effect;

[0012] 2. By setting a strip-shaped protrusion, a movable rod is set inside the strip-shaped protrusion, and the movement of the movable rod drives the cover to open and close. When the device is in use, the movable rod is extended, thereby protecting the shell. When the device is placed on the table, the shell is supported by the movable rod, avoiding the possibility of contamination of the shell;

[0013] 3. The shell is supported by a movable rod. The height of the shell can be adjusted by controlling the movement of the movable rod, so that the height of the equipment can be reasonably adjusted according to actual conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the main cross-sectional structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0018] Figure 4 It is a schematic diagram of the fixing structure of the utility model;

[0019] In the figure: 1-housing, 2-through groove, 3-connecting plate, 4-main control board, 5-sensor, 6-cover, 7-bar convex block, 8-movable groove, 9-movable rod, 10-rotating tube, 11-bar groove, 12-transmission screw, 13-drive motor, 14-transmission gear, 15-ring gear, 16-gear, 17-movable cover, 18-fan, 19-filter. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides a technical solution: a portable malodorous gas concentration monitoring device, including a housing 1, such as Figure 1 As shown, the shell 1 is cylindrical, and a through groove 2 penetrating through both ends of the shell 1 is arranged inside the shell 1. The through groove 2 is cylindrical and coaxially arranged with the shell 1. A connecting plate 3 is fixedly connected to the inner circumference of the shell 1, and the connecting plate 3 is fixedly connected to the inner circumference of the shell 1 for fixing internal circuit components. A main control board 4 is fixedly connected to the surface of the connecting board 3, and a plurality of sensors 5 are electrically connected to the main control board 4. The sensor 5 may include a variety of gas sensors. The main control board 4 is used to control the sensor 5 to monitor and alarm the gas entering the through groove 2. A power supply is arranged inside. This is the prior art and will not be described in detail. Movable covers 6 are respectively arranged at the upper and lower ends of the shell 1. The cover 6 can be opened and closed to achieve the blocking of the openings at both ends of the through groove 2. When the equipment needs to be moved and transported, the cover 6 is closed to prevent external debris and dust in the gas from entering the through groove 2 and affecting the operation of the sensor 5.

[0022] Specifically, if Figure 1As shown, the outer circumference of the shell 1 is fixedly connected with a plurality of strip-shaped protrusions 7 extending in the same direction along the axial direction of the shell 1, and the strip-shaped protrusions 7 are evenly distributed on the outer circumference of the shell 1 in an annular shape, and movable grooves 8 extending in the same direction are arranged inside the strip-shaped protrusions 7, and the movable grooves 8 are cylindrical, and movable rods 9 are movably arranged at the upper and lower ends of the movable grooves 8, respectively, and the outer circumference of the movable rod 9 is evenly fitted with the inner circumference of the movable groove 8, and the movable rod 9 can slide along its length direction, and the cover 6 is fixedly connected to the movable rod 9 at the corresponding end, and when the movable rod 9 slides inside the movable groove 8, the cover 6 is controlled to approach or move away from the shell 1, so as to realize the opening and closing of the cover 6, and at the same time, when the movable rod 9 is extended, one end of the cover 6 can be placed on the table to prevent the shell 1 from directly contacting the table, and at the same time, the height of the shell 1 can be adjusted;

[0023] Specifically, if Figure 2 As shown, a rotating tube 10 is rotatably arranged inside the movable groove 8, and strip grooves 11 are coaxially arranged at both ends of the rotating tube 10, and a movable rod 9 is slidably arranged on the inner surface of the strip groove 11. A transmission screw 12 threadedly connected to the movable rod 9 is fixedly connected inside the rotating tube 10, and a driving motor 13 for driving the rotating tube 10 to rotate is arranged inside the housing 1. When the rotating tube 10 rotates under the action of the driving motor 13, the internal transmission screw 12 is driven to rotate synchronously, and then the movable rod 9 can be driven to slide inside the movable groove 8 under the action of the threaded fit;

[0024] Specifically, if Figure 3 As shown, a transmission gear 14 is coaxially connected to the center of the rotating tube 10, and the transmission gear 14 passes through the inner wall of the through slot 2. A ring gear 15 is coaxially rotatably arranged on the inner surface of the through slot 2, and the transmission gear 14 is respectively meshed with the ring gear 15, and the drive motor 13 is coaxially connected to a gear 16 meshed with the ring gear 15, and the inner circumference and outer circumference of the ring gear 15 are respectively provided with teeth, as shown in FIG. Figure 4 As shown, the ring gear 15 is positioned by a fixing member fixedly connected to the inner circumference of the through groove 2, and the ring gear 15 is located between the two annular fixing members, so that the ring gear 15 can rotate inside the through groove 2, as shown in FIG. Figure 2 As shown, the driving motor 13 is fixedly connected to the inner surface of the through slot 2, and the gear 16 is arranged between the two fixing members;

[0025] Specifically, a movable cover 17 is movably provided on one side of the cover 6 close to the housing 1, and an elastic element is provided between the movable cover 17 and the corresponding cover 6. Figure 2As shown, the movable cover 17 is a circular plate-shaped structure, and a connecting block is provided on one side of the movable rod 17 close to the corresponding cover 6, and the connecting block is slidably connected to the cover 6. The elastic element can be a spring, so that the cover 6 has a tendency to move closer to the housing 1. When the cover 6 is closed, the movable cover 17 seals both ends of the through slot 2, and the elastic element is in a compressed state to ensure the sealing effect on both ends of the through slot 2.

[0026] Specifically, the inner circumferential surfaces at both ends of the through groove 2 are respectively fixedly connected with filter screens 19, and the inner surface of the through groove 2 is fixedly connected with a fan 18. The filter screen 19 can prevent dust and impurities in the gas from entering the interior of the through groove 2. When the fan 18 is started, the gas can flow through the through groove 2 to facilitate gas monitoring.

[0027] When the utility model is used, the sealing cover 6 blocks the two ends of the through slot 2, and the movable cover 17 is closely attached to the outer surfaces of the two ends of the shell 1. By starting the driving motor 13, the driving motor 13 drives the ring gear 15 to rotate through the gear 16, and the ring gear 15 drives the rotating tube 10 to rotate through the transmission gear 14. Under the action of the transmission screw 12, the movable rod 9 is driven to slide inside the movable slot 8, and the sealing cover 6 is driven by the movable rod 9 to move, and the through slot 2 is opened while supporting the shell 1. The fan 18 works to make the gas flow through the through slot 2, and the gas is monitored by the sensor 5.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A portable malodorous gas concentration monitoring device, comprising a housing (1), characterized in that: The shell (1) is cylindrical, and is provided with through grooves (2) penetrating through both ends of the shell (1). A connecting plate (3) is fixedly connected to the inner circumference of the shell (1), and a main control board (4) is fixedly connected to the surface of the connecting plate (3). The main control board (4) is electrically connected to a plurality of sensors (5). Movable covers (6) are respectively provided at the upper and lower ends of the shell (1).

2. A portable malodorous gas concentration monitoring device according to claim 1, characterized in that: The outer circumferential surface of the shell (1) is fixedly connected with a plurality of strip-shaped protrusions (7) extending in the same direction along the axial direction of the shell (1); the strip-shaped protrusions (7) are evenly distributed on the outer circumferential surface of the shell (1) in an annular shape; movable grooves (8) extending in the same direction are arranged inside the strip-shaped protrusions (7); movable rods (9) are movably arranged at the upper and lower ends of the movable grooves (8); and the sealing cover (6) is fixedly connected to the movable rod (9) at the corresponding end.

3. A portable malodorous gas concentration monitoring device according to claim 2, characterized in that: A rotating tube (10) is rotatably arranged inside the movable groove (8), strip grooves (11) are coaxially arranged at both ends of the rotating tube (10), a movable rod (9) is slidably arranged on the inner surface of the strip groove (11), a transmission screw (12) threadedly connected to the movable rod (9) is fixedly connected inside the rotating tube (10), and a driving motor (13) for driving the rotating tube (10) to rotate is arranged inside the housing (1).

4. A portable malodorous gas concentration monitoring device according to claim 3, characterized in that: A transmission gear (14) is coaxially connected to the center of the rotating tube (10), and the transmission gear (14) passes through the inner wall of the through groove (2). A ring gear (15) is coaxially rotatably arranged on the inner surface of the through groove (2), and the transmission gear (14) is respectively meshed with the ring gear (15), and the driving motor (13) is coaxially connected to a gear (16) meshed with the ring gear (15).

5. A portable malodorous gas concentration monitoring device according to claim 4, characterized in that: A movable cover (17) is movably provided on one side of the cover (6) close to the housing (1), and an elastic element is provided between the movable cover (17) and the corresponding cover (6).

6. A portable malodorous gas concentration monitoring device according to claim 5, characterized in that: The inner circumferential surfaces at both ends of the through groove (2) are respectively fixedly connected with filter screens (19), and the inner surface of the through groove (2) is fixedly connected with a fan (18).

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