Air quality detection sensor

Abstract

The utility model provides an air quality detection sensor which comprises three groups of air inlet pipes, a detection part, a filter element and a side plate, the three groups of air inlet pipes are vertically arranged, the left side of the three groups of air inlet pipes is provided with a group of air filter boxes used for filtering impurities of an air sample to be detected, and the side plate is provided with a group of air inlet pipes. The air filter box is of a split type structure and is divided into a left section and a right section, compared with the prior art, the air filter box has the advantages that external air needing to be detected is guided in through the turbine fan, meanwhile, plant batting, winged insects and other impurities in the collected air can be filtered out through the air filter box, and the air filter box can be used for filtering the plant batting, the winged insects and the other impurities. The air particulate matter detection device is used for detecting air particulate matters to prevent similar substances from entering along with the air and affecting the detection result of the air particulate matters, to-be-detected air is released by using the air collecting cover, and the air flowing space is expanded through flow guide to simulate the air flowing environment, so that the detection result is obtained by better fitting the actual situation.

Description

TECHNICAL FIELD

[0001] The utility model belongs to air quality detection technical field relates to an air quality detection sensor. BACKGROUND

[0002] The shortcomings of the existing air detection sensor in the aspect of detection precision of the air to be controlled mainly reflect on the accuracy, response time and environmental adaptability. The accuracy problem is usually caused by inaccurate calibration of the sensor or performance degradation after long-term use, and the delay of the response time may be caused by the slow adsorption and desorption rate of the sensor to the gas molecules, and the different air quality in different environments and the various impurities in the air will affect the data in the air particulate matter detection.

[0003] The conventional coping methods include regular calibration, use of filters to reduce interference, use of multi-sensor fusion technology to improve selectivity, and design of more stable sensor materials and structures. However, these methods also have disadvantages. Regular calibration requires professional equipment and personnel, increasing maintenance costs; although the use of filters can reduce interference, it may reduce the sensitivity and response speed of the sensor; the multi-sensor fusion technology improves the selectivity, but increases the complexity and cost of the system; and the design of more stable sensor materials and structures often requires a longer research and development period and higher research and development costs, so there is an urgent need for an air quality detection sensor to solve the above problems. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model aims to provide an air quality detection sensor to solve the problems raised in the background art.

[0005] The utility model realizes the following technical scheme: an air quality detection sensor, comprising: an air inlet pipe and a side plate, the air inlet pipe is provided with three groups, and the three groups of air inlet pipes are arranged in a vertical manner, a group of air filter boxes for filtering impurities of the air sample to be detected is arranged on the left side of the three groups of air inlet pipes;

[0006] The air filter box is of a split structure and is divided into a left segment and a right segment, the left segment and the right segment are mutually sealed and fitted, an inner cavity for storing an air impurity filter screen is arranged in the air filter box, and the air filter box is fixed by bolt connection, the right segment and the three groups of air inlet pipes are in an integral structure;

[0007] The left segment is provided with a group of air guide pipes for discharging turbofan air, the inside of the air guide pipes is communicated with the inner cavity and the inside of the air inlet pipe, and the rear side of the air guide pipes is provided with a group of turbofans for actively sucking the external air to be detected.

[0008] As a preferred embodiment, the rear ends of the left and right sides of the turbofan are respectively provided with a group of support frames for fixed connection, and the inside of each of the two groups of support frames is provided with a group of limit bearings for limiting the rotation of the hinge shaft.

[0009] As a preferred embodiment, the rear side of the turbofan is provided with a group of air guide bends at the lower end of the middle position, which can be selected from corrugated pipes with high heat resistance and metal bends that can be bent and deformed, and the rear side of the air guide bend is provided with a group of air collection covers for collecting and releasing the air to be detected. The air collection cover can be used to release the air to be detected, and the air flow space can be expanded by using the air collection cover to simulate the air flow environment, so as to obtain the detection result more in line with the actual situation.

[0010] As a preferred embodiment, the inside of the air guide bend and the inside of the turbofan are sealed and communicated with each other, and the left and right sides of the air collection cover are respectively provided with a group of side connecting seats for supporting the hinge shaft, and the two groups of side connecting seats and the two groups of support frames are penetrated by the hinge shaft.

[0011] As a preferred embodiment, the rear side of the air collection cover is provided with a group of detection components for detecting the air quality, the middle position of the rear side of the detection components is provided with a group of filter cartridges for intercepting and filtering the air particles, and the left and right ends of the rear side of the filter cartridges are respectively provided with a group of side plates for replacing the related components in the detection components.

[0012] As a preferred embodiment, the detection components include a moisture-proof shell, a dust cover and a laser light source detector, the inside of the moisture-proof shell is provided with a group of dust covers for preventing air dust from entering, and the inside of the dust cover is provided with a group of laser light source detectors for detecting the air particles.

[0013] As a preferred embodiment, the laser light source detector is a particle detector device capable of detecting particles in the air by using the laser light source detector, which has a very high beam quality and a small divergence angle, and can accurately irradiate the target particles, thereby improving the detection accuracy and sensitivity, and the dust cover can reduce the coverage of dust in the air on the detection end position of the laser light source detector, and further affect the detection result.

[0014] After the above technical scheme is adopted, the beneficial effects of the present application are as follows: the turbine fan is used to guide the external air to be detected into the air filter box, and the air filter box can filter the plant fluff, flying insects and other impurities in the collected air to prevent similar substances from entering the air together and affecting the detection result of the air particles, the air to be detected is released by using the air collecting cover, and the air flow space is expanded by using the air collecting cover to simulate the air flow environment, so that the detection result is more in line with the actual situation, the laser light source detector is used to irradiate the particles in the air, and the laser has a very high beam quality and a small divergence angle, which can accurately irradiate the target particles, thereby improving the detection accuracy and sensitivity, and the dust cover can reduce the coverage of dust in the air on the detection end position of the laser light source detector, and further affect the detection result. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art 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.

[0016] Figure 1 It is a front left oblique side view of the air quality detection sensor of the present application.

[0017] Figure 2 It is a front left oblique side view of the air quality detection sensor of the present application.

[0018] Figure 3 It is a front left oblique side view of the air quality detection sensor of the present application.

[0019] Figure 4 It is a front left oblique side view of the air quality detection sensor of the present application.

[0020] In the figure: 100 - air inlet pipe, 110 - air filter box, 120 - air guide pipe, 130 - turbine fan, 140 - air guide elbow, 150 - hinge shaft, 160 - limit bearing, 170 - side connecting seat, 180 - air collecting cover, 190 - detection component, 200 - filter core, 210 - side plate;

[0021] 19a - moisture-proof shell, 19b - dust cover, 19c - laser light source detector. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-4 An air quality detection sensor comprises air inlet pipes 100, air filter boxes 110, detection components 190 and side plates 210. The air inlet pipes 100 are provided in three groups and arranged in a vertical manner. The left side of the three groups of air inlet pipes 100 is provided with an air filter box 110 for filtering impurities in the air sample to be detected.

[0024] The air filter box 110 is of a split structure and is divided into a left segment and a right segment. The left segment and the right segment are mutually sealed and fitted. An inner cavity for storing an air impurity filter screen is arranged in the air filter box 110 and fixed by a bolt. The right segment is in an integral structure with the three groups of air inlet pipes 100.

[0025] The left segment is provided on the left side with an air guide pipe 120 for discharging air of the turbine fan 130. The inner part of the air guide pipe 120 is in communication with the inner cavity and the inner part of the air inlet pipe 100. The rear side of the air guide pipe 120 is provided with a turbine fan 130 for actively sucking the external air to be detected.

[0026] The turbine fan 130 is provided on the left and right sides with a support frame for fixed connection. The inner part of the two groups of support frames is provided with a limit bearing 160 for limiting rotation of the hinge shaft 150.

[0027] A group of air guide elbows 140 are arranged at the lower end of the middle position of the rear side of the turbo fan 130, the air guide elbows 140 can be selected from high-heat-resistant corrugated pipes and bendable metal elbows, a group of air collecting covers 180 for collecting and releasing the air to be detected are arranged at the rear side of the air guide elbows 140, the air to be detected can be released by using the air collecting covers 180, and the air flow space is expanded by using the air collecting covers 180, so that the air flow environment is simulated, and the detection result is more consistent with the actual situation.

[0028] The interiors of the air guide elbows 140 and the air collecting covers 180 and the interior of the turbo fan 130 are sealed and communicated with each other, a group of side connecting seats 170 for movably connecting and supporting the hinge shaft 150 are arranged at the left and right sides of the air collecting covers 180, and the two groups of side connecting seats 170 and the two groups of supporting frames are penetrated by the hinge shaft 150.

[0029] A group of detection components 190 for detecting the air quality are arranged at the rear side of the air collecting covers 180, a group of filter elements 200 for intercepting and filtering the particulate matters in the air are arranged at the middle position of the rear side of the detection components 190, and a group of side plates 210 for replacing the related components in the detection components 190 are arranged at the left and right ends of the rear side of the filter elements 200.

[0030] The detection components 190 comprise a moisture-proof shell 19a, a dust cover 19b and a laser light source detector 19c, a group of dust covers 19b for preventing dust from entering are arranged at the inner side of the moisture-proof shell 19a, and a group of laser light source detectors 19c for detecting the particulate matters in the air are arranged at the middle position of the inner side of the dust covers 19b.

[0031] The laser light source detector 19c is a particulate matter detector device for irradiation detection by using a laser light source, the particulate matters in the air can be irradiated by using the laser light source detector 19c, and the laser light has extremely high beam quality and small divergence angle.

[0032] Please refer to Figures 1-4 , as the first embodiment of the utility model: first, the staff starts the turbo fan 130, and the air to be detected outside is introduced by the turbo fan 130 through the three groups of air inlet pipes 100, since the air filter box 110 is a split structure and is divided into a left segment and a right segment, the left segment and the right segment are sealed and embedded with each other, and a group of inner cavities for storing air impurity filter screens are arranged in the inner cavities, the air to be detected outside is introduced by using the turbo fan 130, and the plant fluff, flying insects and other impurities in the collected air can be filtered by the air filter box 110, so as to prevent similar substances from entering together with the air and affecting the detection result of the air particulate matters, and the staff can quickly disassemble and clean the inner cavities, so as to maintain the normal use state.

[0033] Please refer toFigures 1-4 As the second embodiment of the utility model: based on the above embodiment, further, when the to be detected enters the inside of the detection component 190, because the inside of the moisture-proof shell 19a is equipped with a group of dustproof covers 19b for preventing air dust from entering, the inside of the dustproof cover 19b is equipped with a group of laser light source detectors 19c for detecting particulate matters in the air, the laser light source detector 19c is a kind of particulate matter detector equipment for detecting by laser light source, can be irradiated to particulate matter in the air by using laser light source detector 19c, its laser has very high beam quality and small divergence angle, can accurately irradiate on target particulate matter, to improve the precision and sensitivity of detection, meanwhile, dustproof cover 19b can reduce the covering of dust in the air to the detection end position of laser light source detector 19c, and further influence the detection result.

[0034] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An air quality detection sensor, comprising: The air inlet pipe (100), the air filter box (110), the detection component (190) and the side plate (210) are characterized in that: the air inlet pipe (100) is provided with three groups, and the three groups of air inlet pipes (100) are arranged in a vertical manner, and a group of air filter boxes (110) for filtering impurities of the air sample to be detected are arranged on the left side of the three groups of air inlet pipes (100); The air filter box (110) is of a split structure and is divided into a left segment and a right segment, the left segment and the right segment are sealed and fitted with each other, an inner cavity for storing an air impurity filter screen is arranged in the inner cavity, and the right segment is fixed by bolt connection, and the right segment and the three groups of air inlet pipes (100) are of an integrated structure; A group of air guide pipes (120) for discharging air of the turbine fan (130) are arranged on the left side of the left segment, the inner part of the air guide pipe (120) is in communication with the inner part of the inner cavity and the air inlet pipe (100), and a group of turbine fans (130) for actively sucking external air to be detected are arranged on the rear side of the air guide pipe (120).

2. The air quality detection sensor of claim 1, wherein: A group of support frames for fixed connection of the turbine fan (130) are arranged on the rear ends of the left and right sides of the turbine fan (130), and a group of limit bearings (160) for limiting rotation of the hinge shaft (150) are arranged at the inner central positions of the two groups of support frames.

3. The air quality detection sensor of claim 2, wherein: A group of air guide elbows (140) for discharging air in the turbine fan (130) are arranged at the lower end of the middle position of the rear side of the turbine fan (130), the air guide elbow (140) can select a corrugated pipe with high heat resistance and a metal elbow pipe that can be bent and deformed, and a group of air collection covers (180) for collecting and releasing the air to be detected are arranged on the rear side of the air guide elbow (140).

4. The air quality detection sensor of claim 3, wherein: The inner parts of the air guide elbow (140) and the air collection cover (180) and the inner part of the turbine fan (130) are in sealed communication, a group of side connecting seats (170) for supporting the hinge shaft (150) are arranged on the left and right sides of the air collection cover (180), and the two groups of side connecting seats (170) and the two groups of support frames are penetrated by the hinge shaft (150).

5. The air quality detection sensor of claim 4, wherein: A group of detection components (190) for detecting air quality are arranged on the rear side of the air collection cover (180), a group of filter cores (200) for intercepting and filtering particulate matters in the air are arranged at the middle position of the rear side of the detection component (190), and a group of side plates (210) for replacing related components in the detection component (190) are arranged at the left and right ends of the rear side of the filter core (200).

6. The air quality detection sensor of claim 5, wherein: The detection component (190) comprises a moisture-proof shell (19a), a dust cover (19b) and a laser light source detector (19c), a group of dust covers (19b) for preventing air dust from entering are arranged on the inner side of the moisture-proof shell (19a), and a group of laser light source detectors (19c) for detecting particulate matters in the air are arranged at the middle position of the inner side of the dust cover (19b).

7. The air quality detection sensor of claim 6, wherein: The laser light source detector (19c) is a particulate matter detector device for irradiation detection by using a laser light source.

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