Portable bimodal air detection device

Abstract

The utility model relates to the technical field of air detection, in particular to a portable dual-mode air detection device which comprises an air detection integrated vehicle, a sealed cabinet door, an electrochemical sensor, an infrared detection assembly, an optical detection assembly and a multi-stage air suction assembly, and the electrochemical sensor is in threaded connection to the inner side, close to the sealed cabinet door, of the air detection integrated vehicle; the infrared detection assembly is installed in the side, away from the electrochemical sensor, of the air detection integrated vehicle, the optical detection assembly is installed on the inner side of the middle of the air detection integrated vehicle, and the multi-stage air suction assembly is installed on the outer side, away from the sealed cabinet door, of the air detection integrated vehicle. According to the portable dual-mode air detection device, the electrochemical sensor, the infrared detection assembly and the optical detection assembly are combined, the harmful gas concentration, the temperature, the humidity, the specific gas concentration and the particulate matter concentration in air can be detected, and therefore comprehensive air quality data are provided.

Description

TECHNICAL FIELD

[0001] The application relates to the air detection technical field, in particular to a portable bimodal air detection device. BACKGROUND

[0002] Environmental protection monitoring is given priority to, automation and informatization are the premise and guarantee for good environmental monitoring. In recent years, while the local economy has developed rapidly, different degrees of water, gas, noise and other environmental pollution events have occurred in various regions, which seriously affect people's quality of life, so that the air detection device gradually enters people's life. The air monitoring projects mainly include sulfur dioxide, nitrogen monoxide, hydrocarbons, floating dust and the like.

[0003] Through retrieval, the publication No. CN222087683U discloses a portable detection device for air detection. The air is sucked into the detection device body through the slide pipe, air inlet pipe and air conveying pipe to detect the air in the open area. When it is needed to detect the narrow and deep space, the electric telescopic rod is started to drive the push plate and slide pipe to move, so that the slide pipe and the connecting head are connected. The fixed shaft is driven to rotate by the crank handle, the hollow winding roller is driven to rotate by the fixed shaft, the air suction hose is put out, the air suction head is put into the narrow and deep space, the air suction pump is started, and the air in the narrow and deep space can be sucked out by the air suction head to detect the air in the narrow and deep space.

[0004] According to the related technology in the above, the inventors believe that the following technical defects need to be improved: the above device only realizes single air detection, and does not combine multiple detection technologies and methods of bimodal mode, so that multiple pollutants in the air cannot be detected respectively, and comprehensive air quality data cannot be provided. CONTENT OF THE UTILITY MODEL

[0005] The application provides a portable bimodal air detection device to improve the following technical problems: the above device only realizes single air detection, and does not combine multiple detection technologies and methods of bimodal mode, so that multiple pollutants in the air cannot be detected respectively, and comprehensive air quality data cannot be provided.

[0006] The application provides a portable bimodal air detection device, which adopts the following technical scheme:

[0007] The utility model provides a portable bimodal air detection device, including air detection integrated car, sealed cabinet door, electrochemical sensor, infrared detection subassembly, optical detection subassembly and multistage air suction subassembly, the sealed cabinet door swing joint is in the outside of air detection integrated car, the electrochemical sensor screw thread connection is in the inside of air detection integrated car near sealed cabinet door, infrared detection subassembly installs in the inside of air detection integrated car far from electrochemical sensor's one side, optical detection subassembly installs in the inside of air detection integrated car's middle part, multistage air suction subassembly installs in the outside of air detection integrated car far from sealed cabinet door,

[0008] Air detection integrated car cooperation sealed cabinet door is used for providing the closed environment for electrochemical sensor, infrared detection subassembly and optical detection subassembly, and the electrochemical sensor is used for detecting the concentration of harmful gas in the air, the optical detection subassembly is used for detecting the concentration of particulate matter in the air, and the infrared detection subassembly is used for detecting the temperature, humidity and specific gas concentration in the air, and the multistage air suction subassembly is used for providing the external air for the inside of electrochemical sensor, infrared detection subassembly and optical detection subassembly.

[0009] In an implementable technical solution of the present application, the infrared detection subassembly includes an infrared emitter, a measurement chamber, an optical filter, and an infrared receiver. The measurement chamber is arranged inside the air detection integrated car. The infrared emitter is installed inside the top of the measurement chamber. The optical filter is screw-connected below the output end of the infrared emitter near the infrared emitter of the air detection integrated car. The infrared receiver is screw-connected to the bottom of the air detection integrated car and is used to receive infrared rays.

[0010] In an implementable technical solution of the present application, the optical detection subassembly includes a laser emitter, a heat dissipation chamber, a light collecting support, a lens, a circular support, and a photoelectric receiver. The laser emitter is installed inside the top of the heat dissipation chamber. The light collecting support is fixedly connected to the top of the circular support. The lens is clamped to the top of the light collecting support. The photoelectric receiver is screw-connected to the bottom inside of the circular support and is used to receive and measure the intensity of the heat dissipation light.

[0011] In an implementable technical solution of the present application, the multistage air suction subassembly includes an air inlet pipe, an air suction pump, a gas guide straight pipe, and a fixed support. The air suction pump is installed on one side of the air inlet pipe, and the outside of the air suction pump is clamped to the fixed support. The fixed support is fixedly connected to the outside of the air detection integrated car. The gas guide straight pipe is fixedly connected to one side of the air inlet pipe, and one end of the gas guide straight pipe penetrates the inner wall of the air detection integrated car and tightly fits the inner surface of the air detection integrated car.

[0012] In an implementation of the present application, the outer side of the air guide straight pipe is further provided with a one-way valve.

[0013] In an implementation of the present application, the bottom of the air detection integrated vehicle is further provided with height-adjustable supporting legs and wheels with brakes.

[0014] In an implementation of the present application, the air guide straight pipes are arranged in three groups and are arranged at equal intervals on the outer side of the air detection integrated vehicle and are flush with the middle part of the sealed cabinet door.

[0015] In summary, the present application has at least one of the following beneficial technical effects:

[0016] The device combines an electrochemical sensor, an infrared detection component and an optical detection component, can detect harmful gas concentration, temperature, humidity, specific gas concentration and particulate matter concentration in the air respectively, thereby providing comprehensive air quality data; through the combination of electrochemical sensor, infrared detection and optical detection, dual-mode air detection is realized, through the cooperation of the air inlet pipe, the air suction pump, the air guide straight pipe and the fixing bracket, it is ensured that the external air is effectively sucked and distributed to each detection component, thereby improving the detection efficiency, facilitating the movement while ensuring the continuity and stability of the detection. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 is a structural schematic diagram of the portable dual-mode air detection device of the embodiment of the present application.

[0019] Figure 2 is a structural schematic diagram of the multi-stage air suction assembly in the embodiment of the present application.

[0020] Figure 3 is a distribution diagram of the measuring chamber and the heat dissipation chamber in the embodiment of the present application.

[0021] Figure 4 is a distribution diagram of the electrochemical sensor in the embodiment of the present application.

[0022] Figure 5 is a section view of the circular support in the embodiment of the present application.

[0023] Explanation of reference signs:

[0024] 1, air detection integrated vehicle; 2, sealed cabinet door; 3, electrochemical sensor;

[0025] 4, infrared detection assembly; 41, infrared emitter; 42, measuring chamber; 43, optical filter; 44, infrared receiver;

[0026] 5, optical detection assembly; 51, laser emitter; 52, heat dissipation chamber; 53, light collecting support; 54, lens; 55, round support; 56, photoelectric receiver;

[0027] 6, multi-stage air suction assembly; 61, air inlet pipe; 62, air suction pump; 63, air guide straight pipe; 64, fixed support;

[0028] 7, one-way valve; 8, height adjustment leg; 9, roller with brake; 10, control panel. DETAILED DESCRIPTION

[0029] In order to make the technical problems, technical solutions and beneficial effects to be solved in the present application more clear, the present application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and not to limit the present application.

[0030] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0031] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0032] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0033] The following will be described in detail below in combination with the drawings Figures 1-5 The present application will be further described in detail.

[0034] The embodiment of the present application discloses a portable dual-mode air detection device. Figures 1 to 5 The portable dual-mode air detection device comprises an air detection integrated vehicle 1, a sealed cabinet door 2, an electrochemical sensor 3, an infrared detection assembly 4, an optical detection assembly 5 and a multi-stage air suction assembly 6. The sealed cabinet door 2 is movably connected to the outer side of the air detection integrated vehicle 1. The electrochemical sensor 3 is screwedly connected to the inner side of the air detection integrated vehicle 1 close to the sealed cabinet door 2. The infrared detection assembly 4 is installed on the inner side of the air detection integrated vehicle 1 away from the electrochemical sensor 3. The optical detection assembly 5 is installed on the inner side of the middle part of the air detection integrated vehicle 1. The multi-stage air suction assembly 6 is installed on the outer side of the air detection integrated vehicle 1 away from the sealed cabinet door 2.

[0035] The air detection integrated vehicle 1 cooperates with the sealed cabinet door 2 to provide a closed environment for the electrochemical sensor 3, the infrared detection assembly 4 and the optical detection assembly 5. The electrochemical sensor 3 is used for detecting the concentration of harmful gas in the air. The optical detection assembly 5 is used for detecting the concentration of particulate matters in the air. The infrared detection assembly 4 is used for detecting the temperature, humidity and specific gas concentration in the air. The multi-stage air suction assembly 6 is used for providing external air for the inside of the electrochemical sensor 3, the infrared detection assembly 4 and the optical detection assembly 5.

[0036] The infrared detection assembly 4 comprises an infrared emitter 41, a measuring chamber 42, an optical filter 43 and an infrared receiver 44. The measuring chamber 42 is arranged in the inside of the air detection integrated vehicle 1. The infrared emitter 41 is installed on the inner top of the measuring chamber 42. The optical filter 43 is screwedly connected below the output end of the infrared emitter 41 close to the air detection integrated vehicle 1. The infrared receiver 44 is screwedly connected to the bottom of the air detection integrated vehicle 1 and is used for receiving infrared rays.

[0037] The optical detection assembly 5 comprises a laser emitter 51, a heat dissipation chamber 52, a light collecting support 53, a lens 54, a circular support 55 and a photoelectric receiver 56. The laser emitter 51 is installed on the inner top of the heat dissipation chamber 52. The light collecting support 53 is fixedly connected to the top of the circular support 55. The lens 54 is clamped on the top of the light collecting support 53. The photoelectric receiver 56 is screwedly connected to the inner bottom of the circular support 55 and is used for receiving and measuring the intensity of the heat dissipation light.

[0038] The multi-stage air suction assembly 6 comprises an air inlet pipe 61, an air suction pump 62, a gas guide straight pipe 63 and a fixing support 64. The air suction pump 62 is installed on one side of the air inlet pipe 61. The outer side of the air suction pump 62 is clamped with the fixing support 64. The fixing support 64 is fixedly connected to the outer side of the air detection integrated vehicle 1. The gas guide straight pipe 63 is fixedly connected to one side of the air inlet pipe 61. One end of the gas guide straight pipe 63 penetrates through the inner wall of the air detection integrated vehicle 1 and is tightly combined with the inner surface of the air detection integrated vehicle 1.

[0039] The outer side of the air guide straight pipe 63 is also provided with a one-way valve 7.

[0040] The bottom of the air detection integrated vehicle 1 is also provided with height-adjustable legs 8 and brake wheels 9.

[0041] The air guide straight pipe 63 is provided with three groups, which are arranged at equal intervals on the outer side of the air detection integrated vehicle 1 and flush with the middle part of the sealed cabinet door 2.

[0042] The use process of the portable dual-mode air detection device of the embodiment is as follows:

[0043] The multi-stage air suction assembly 6 introduces external air into the air detection integrated vehicle 1 through the air inlet pipe 61 and the air guide straight pipe 63, that is, the external air is sucked into the device by the negative pressure generated by the air suction pump 62, and the air is evenly distributed to each detection assembly through the air guide straight pipe 63. The one-way valve 7 ensures the unidirectionality of air flow and avoids interference. The electrochemical sensor 3 first detects the concentration of harmful gases in the air, such as sulfur dioxide and nitrogen dioxide; the infrared emitter 41 in the infrared detection assembly 4 emits infrared rays, which are received by the infrared receiver 44 after passing through the measuring chamber 42 and the optical filter 43. According to the absorption and scattering of infrared rays, the infrared detection assembly 4 can measure the temperature, humidity and concentration of specific gases in the air. The laser emitter 51 of the optical detection assembly 5 emits a laser beam, which is focused after passing through the heat dissipation chamber 52, the light focusing support 53 and the lens 54, and then passes through the air area to be measured. Particulate matter in the air scatters the laser beam, and the scattered light is received by the photoelectric receiver 56 and converted into an electrical signal, and then the concentration of particulate matter is calculated. The control system records the detection data of the electrochemical sensor 3, the infrared detection assembly 4 and the optical detection assembly 5 in real time. Users can view and analyze the detection data through the control panel 10 or remote connection to understand the air quality

[0044] The portable dual-mode air detection device of the embodiment has the following beneficial technical effects:

[0045] The device combines the electrochemical sensor 3, the infrared detection assembly 4 and the optical detection assembly 5, which can detect the concentration of harmful gases, temperature, humidity, specific gas concentration and particulate matter concentration in the air respectively, thereby providing comprehensive air quality data; through the combination of electrochemical sensor 3, infrared detection and optical detection, dual-mode air detection is realized, and through the cooperation of air inlet pipe 61, air suction pump 62, air guide straight pipe 63 and fixed support 64, external air is effectively sucked and distributed to each detection assembly, thereby improving the detection efficiency and ensuring the continuity and stability of the detection while moving.

[0046] The above only describes preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the application should be included in the protection scope of the present application.

Claims

1. A portable dual modality air detection device, characterized in that, The utility model provides an air detection integrated vehicle, a sealed cabinet door, an electrochemical sensor, an infrared detection assembly, an optical detection assembly and a multi-stage air suction assembly, the sealed cabinet door is movably connected to the outside of the air detection integrated vehicle, the electrochemical sensor is threadedly connected to the inside of the air detection integrated vehicle close to the sealed cabinet door, the infrared detection assembly is installed inside the air detection integrated vehicle away from the electrochemical sensor, the optical detection assembly is installed inside the air detection integrated vehicle, and the multi-stage air suction assembly is installed outside the air detection integrated vehicle away from the sealed cabinet door. The air detection integrated vehicle cooperates with the sealed cabinet door to provide a closed environment for the electrochemical sensor, the infrared detection assembly and the optical detection assembly, the electrochemical sensor is used to detect the concentration of harmful gases in the air, the optical detection assembly is used to detect the concentration of particulate matters in the air, the infrared detection assembly is used to detect the temperature, humidity and concentration of specific gases in the air, and the multi-stage air suction assembly is used to provide external air for the inside of the electrochemical sensor, the infrared detection assembly and the optical detection assembly.

2. The portable dual modality air detection device of claim 1, wherein, The infrared detection assembly comprises an infrared emitter, a measuring chamber, an optical filter and an infrared receiver, the measuring chamber is arranged inside the air detection integrated vehicle, the infrared emitter is installed inside the top of the measuring chamber, the optical filter is threadedly connected below the output end of the infrared emitter close to the infrared emitter, and the infrared receiver is threadedly connected to the bottom of the air detection integrated vehicle and is used to receive infrared rays.

3. The portable dual modality air detection device of claim 1, wherein, The optical detection assembly comprises a laser emitter, a heat dissipation chamber, a light collecting support, a lens, a circular support and a photoelectric receiver, the laser emitter is installed inside the top of the heat dissipation chamber, the light collecting support is fixedly connected to the top of the circular support, the lens is clamped to the top of the light collecting support, and the photoelectric receiver is threadedly connected to the inside of the bottom of the circular support and is used to receive and measure the intensity of heat dissipation light.

4. The portable dual modality air detection device of claim 1, wherein, The multistage air suction assembly (6) comprises an air inlet pipe (61), an air suction pump (62), an air guide straight pipe (63) and a fixing support (64), the air suction pump (62) is installed on one side of the air inlet pipe (61), the outer side of the air suction pump (62) is clamped with the fixing support (64), the fixing support (64) is fixedly connected to the outer side of the air detection integrated vehicle (1), the air guide straight pipe (63) is fixedly connected to one side of the air inlet pipe (61), and one end of the air guide straight pipe (63) penetrates through the inner wall of the air detection integrated vehicle (1) and is closely attached to the inner surface of the air detection integrated vehicle (1).

5. The portable dual modality air detection device of claim 4, wherein, The outer side of the air guide straight pipe (63) is also provided with a one-way valve (7).

6. The portable dual modality air detection device of claim 1, wherein, The bottom of the air detection integrated vehicle (1) is also provided with height-adjusting supporting legs (8) and brake-equipped rolling wheels (9).

7. The portable dual modality air detection device of claim 5, wherein, The air guide straight pipe (63) is provided with three groups, and the three groups of air guide straight pipes (63) are arranged at equal intervals on the outer side of the air detection integrated vehicle (1) and are flush with the middle part of the sealing cabinet door (2).

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