Device for detecting content of particulate matters in air

Abstract

The utility model provides an air particulate matter content detection device which comprises a detection shell, a turbofan is rotationally assembled on the top of an inner cavity of the detection shell through a bearing, the bottom of the turbofan is connected with a sweeping support in a U-shaped support structure shape, side sweeping cotton is arranged on the outer side of a side supporting rod of the sweeping support, and the side sweeping cotton makes contact with the inner cavity wall of the detection shell. Lower cleaning cotton is arranged on a bottom supporting rod of the cleaning support and makes contact with the thick protective net. The rotor is powered on to drive the turbofan to rotate, when the turbofan rotates, airflow flows from top to bottom, external environment air is filtered by the fine filter screen and enters the detection shell, and the side cleaning cotton arranged on the cleaning support sweeps dust adhering to the inner cavity wall of the detection shell. And lower cleaning cotton arranged at the bottom of the cleaning bracket sweeps dust adhering to the coarse protective net, and the dust is discharged along with airflow, so that the inner cavity of the detection shell is cleaned, and the accuracy in the air detection process is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to air quality detection device technical field especially relates to a kind of air particulate matter content detection device. BACKGROUND

[0002] Light scattering principle has LED light (ordinary optics), laser principle, sensor can effectively detect that the particle size is about 0.5um above particle, thus light scattering method is relatively low in reliability, however due to light scattering principle probe is relatively cheap, probe is easy to install, use, as monitoring application is relatively suitable, relatively other principle has more advantages, and application business selects quality is better, and relatively stable, sensitive probe, data reliability greatly increases. Traditional air particulate matter content equipment is worked after long time, a layer of dust is adhered to the inner wall of detection cavity, when equipment is periodically detected, dust in the inner wall of detection cavity can float with air current, to affect the detection precision of equipment to air dust content. UTILITY MODEL CONTENT

[0003] To solve the above problem, the utility model provides a kind of air particulate matter content detection device, to more exactly solve the above-mentioned problem.

[0004] The utility model is realized by the following technical scheme:

[0005] The utility model provides a kind of air particulate matter content detection device, including detection shell, the inner chamber top of detection shell is rotationally equipped with the vortex fan of bearing, the outer wall of vortex fan is embedded with rotor, the inner wall of detection shell and the position of corresponding rotor is embedded with stator, the side wall of detection shell is integrally formed with infrared generating chamber, and the inside of infrared generating chamber is equipped with infrared generator, and the light direction of infrared generator is obliquely downward to the inner chamber of detection shell, the other side wall of detection shell is integrally formed with light signal receiving chamber, and the inside of light signal receiving chamber is equipped with high sensitivity light receiving device, the inner chamber bottom of detection shell is equipped with heating resistance, the bottom of vortex fan is connected with the cleaning support of "U" letter support structure shape, and the outside of side support rod of cleaning support is equipped with side cleaning cotton, and side cleaning cotton is in contact with the inner chamber wall of detection shell, and the bottom support rod of cleaning support is equipped with lower cleaning cotton, and lower cleaning cotton is in contact with coarse protective net.

[0006] Further, the bottom of the detection shell is an air inlet, and the coarse protective net is provided at the opening of the air inlet.

[0007] Further, the outer circle of the coarse protective net and the fine filter net is provided with an outer silk ring, and the coarse protective net is connected to the air inlet of the detection shell through the outer silk ring, and the fine filter net is connected to the air outlet of the detection shell through the outer silk ring.

[0008] Further, the top of the detection shell is integrally formed with an upper plate seat, and a photovoltaic panel is arranged on the upper plate seat.

[0009] Further, the top outer wall of the detection shell is provided with a control box, and the control box internally collects a storage battery, an electric control module, a control chip and a wireless transceiver module.

[0010] Further, the storage battery is electrically connected with the photovoltaic panel, the electric control module is electrically connected with the storage battery and the rotor to form a circuit series connection, and the control chip is signal connected with the electric control module and the wireless transceiver module.

[0011] The utility model discloses beneficial effect has:

[0012] 1, the utility model discloses a rotor energization drive turbofan rotates, when turbofan rotates, make airflow flow from top to bottom, and the external environment air is filtered through fine filter screen and enters the inside of detection shell, and the side cleaning cotton arranged on the cleaning support falls the dust adhered on the inner cavity wall of detection shell, and the lower cleaning cotton arranged on the bottom of cleaning support falls the dust adhered on the coarse protection net, and along with airflow exhaust, thereby complete the cleaning of the inner cavity of detection shell, thereby guarantee the accuracy in the air detection process.

[0013] 2, the utility model discloses that photovoltaic panel realizes spontaneous power supply, and it is more energy -conserving and environment -friendly, and before the control chip in control box detects air quality regularly, can drive turbofan to work and make the inner cavity of detection shell clean, and through the instruction of wireless transceiver module that customer mobile terminal remote sends, thereby manual control turbofan rotates and make the inner cavity of detection shell clean, and wireless transceiver module can also send the monitoring data of air particle concentration to terminal remotely, convenient for collection, feedback data. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the half cross -sectional view of the three -dimensional structure of the utility model;

[0015] Figure 2 It is the three -dimensional structure schematic diagram of the utility model;

[0016] Figure 3 It is the front cross -sectional view of the structure of the utility model.

[0017] In the drawing: 1, detection shell;101, infrared generating chamber;1011, infrared generator;102, optical signal receiving chamber;1021, high sensitivity light receiving device;103, coarse protection net;104, heating resistance;105, upper plate seat;1051, fine filter screen;106, photovoltaic panel;107, control box;2, turbofan;201, rotor;202, stator;203, cleaning support;2031, side cleaning cotton;2032, lower cleaning cotton. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. Embodiment 1

[0019] A kind of air particulate matter content detection device, the inner chamber top of detection shell 1 is rotatably equipped with turbofan 2 by bearing, the outer wall of turbofan 2 is embedded with rotor 201, the inner wall of detection shell 1 and the position of embedded stator 202 corresponding to rotor 201, one side wall of detection shell 1 is integrally formed with infrared generating chamber 101, the inside of infrared generating chamber 101 is equipped with infrared generator 1011, the direction of light of infrared generator 1011 is inclined downward and points to the inner chamber of detection shell 1, the other side wall of detection shell 1 is integrally formed with light signal receiving chamber 102, the inside of light signal receiving chamber 102 is equipped with high-sensitivity light receiving device 1021, the inner chamber bottom of detection shell 1 is equipped with heating resistance 104, the bottom of detection shell 1 is air inlet, the top of detection shell 1 is equipped with exhaust port.The air is heated by heating resistance 104, and the air in the inner chamber of detection shell 1 forms ascending air current, so that the air in the external environment enters along the air inlet, and is discharged along the exhaust port, and is irradiated by infrared generator 1011, and the dust concentration in the air is detected by high-sensitivity light receiving device 1021 through signal.

[0020] The opening of air inlet is equipped with coarse protective net 103, to prevent large particle impurities from entering the inner chamber of detection shell 1, and the exhaust port is equipped with fine filter screen 1051, and fine filter screen 1051 is used for micro dust particles, the outer circle of coarse protective net 103 and fine filter screen 1051 is equipped with outer silk circle, and coarse protective net 103 is connected to the air inlet of detection shell 1 by outer silk circle, and fine filter screen 1051 is connected to the exhaust port of detection shell 1 by outer silk circle, so that coarse protective net 103 and fine filter screen 1051 are convenient to maintain and replace.

[0021] The bottom of the turbofan 2 is connected with a cleaning support 203 in a "U" bracket structure, the outer side of the side support rod of the cleaning support 203 is provided with side cleaning cotton 2031, and the side cleaning cotton 2031 is in contact with the inner cavity wall of the detection shell 1, and the bottom support rod of the cleaning support 203 is provided with lower cleaning cotton 2032, and the lower cleaning cotton 2032 is in contact with the coarse protective net 103. Before air particle concentration detection, the turbofan 2 is driven to rotate by the rotor 201, when the turbofan 2 rotates, the airflow flows from top to bottom, the external environment air is filtered through the fine filter net 1051 and enters the inside of the detection shell 1, the side cleaning cotton 2031 arranged on the cleaning support 203 sweeps off the dust adhered to the inner cavity wall of the detection shell 1, the lower cleaning cotton 2032 arranged at the bottom of the cleaning support 203 sweeps off the dust adhered to the coarse protective net 103, and is discharged with the airflow, so that the inner cavity of the detection shell 1 is cleaned.

[0022] The technical scheme in the embodiment of the application has at least the following technical effects or advantages: the rotor 201 is powered to drive the turbofan 2 to rotate, when the turbofan 2 rotates, the airflow flows from top to bottom, the external environment air is filtered through the fine filter net 1051 and enters the inside of the detection shell 1, the side cleaning cotton 2031 arranged on the cleaning support 203 sweeps off the dust adhered to the inner cavity wall of the detection shell 1, the lower cleaning cotton 2032 arranged at the bottom of the cleaning support 203 sweeps off the dust adhered to the coarse protective net 103, and is discharged with the airflow, so that the inner cavity of the detection shell 1 is cleaned, and the accuracy in the air detection process is ensured. Embodiment 2

[0023] The top of the detection shell 1 is integrally formed with an upper plate seat 105, the upper plate seat 105 is provided with a photovoltaic panel 106, one side of the outer wall of the top of the detection shell 1 is provided with a control box 107, the control box 107 is internally provided with a storage battery, an electric control module, a control chip and a wireless transceiver module, the storage battery is electrically connected with the photovoltaic panel 106 and is used for storing the electric energy generated by the photovoltaic panel 106, is energy-saving and environment-friendly, the electric control module is electrically connected with the storage battery and the rotor 201 to form a circuit series connection, the control chip is signal connected with the electric control module and the wireless transceiver module, the control chip can drive the turbofan 2 to work to clean the inner cavity of the detection shell 1 before periodic detection of air quality, the wireless transceiver module can also remotely send the monitoring data of the air particle concentration to the terminal, so that the data can be collected and fed back.

[0024] The technical scheme in the embodiment of the application has at least the following technical effects or advantages: the photovoltaic panel 106 is used for self-power supply, which is more energy-saving and environment-friendly; before the control chip in the control box 107 detects the air quality regularly, the control chip can drive the turbofan 2 to work to clean the inner cavity of the detection shell 1; the client mobile terminal remotely sends an instruction to the wireless transceiver module, so that the turbofan 2 is manually controlled to rotate to clean the inner cavity of the detection shell 1; and the wireless transceiver module can also remotely send the monitoring data of the air particle concentration to the terminal, so that the data can be collected and fed back.

[0025] Of course, the utility model also can have other multiple implementation manners, based on this implementation manner, other implementation manners obtained by the ordinary skilled person in the art without any creative work all belong to the range protected by the utility model.

Claims

1. An air particulate matter content detection device comprising a detection housing (1), characterized in that, The inner cavity top of the detection shell (1) is rotatably equipped with a turbofan (2) through a bearing, the outer wall of the turbofan (2) is embedded with a rotor (201), the inner wall of the detection shell (1) and the position corresponding to the rotor (201) are embedded with a stator (202), one side wall of the detection shell (1) is integrally formed with an infrared generating chamber (101), the inside of the infrared generating chamber (101) is provided with an infrared generator (1011), the light direction of the infrared generator (1011) is obliquely downward to the inner cavity of the detection shell (1), the other side wall of the detection shell (1) is integrally formed with a light signal receiving chamber (102), the inside of the light signal receiving chamber (102) is provided with a high-sensitivity light receiving device (1021), the bottom of the inner cavity of the detection shell (1) is provided with a heating resistor (104), the bottom of the turbofan (2) is connected with a cleaning support (203) in the shape of a "U" bracket structure, the outer side of the side support rod of the cleaning support (203) is provided with a side cleaning cotton (2031), and the side cleaning cotton (2031) is in contact with the inner cavity wall of the detection shell (1), the bottom support rod of the cleaning support (203) is provided with a lower cleaning cotton (2032), and the lower cleaning cotton (2032) is in contact with the coarse protective net (103).

2. The device according to claim 1, wherein The bottom of the detection shell (1) is an air inlet, and the opening of the air inlet is provided with a coarse protective net (103), the top of the detection shell (1) is provided with an air outlet, and the air outlet is provided with a fine filter screen (1051).

3. The device according to claim 2, wherein The outer circle of the coarse protective net (103) and the fine filter screen (1051) is provided with an outer wire ring, and the coarse protective net (103) is connected to the air inlet of the detection shell (1) through the outer wire ring, and the fine filter screen (1051) is connected to the air outlet of the detection shell (1) through the outer wire ring.

4. The device according to claim 1, wherein The top of the detection shell (1) is integrally formed with an upper plate seat (105), and the upper plate seat (105) is provided with a photovoltaic panel (106).

5. The device according to claim 4, wherein One side of the top outer wall of the detection shell (1) is provided with a control box (107), and the inside of the control box (107) is provided with a storage battery, an electric control module, a control chip and a wireless transceiver module.

6. The device according to claim 5, wherein The storage battery is electrically connected with the photovoltaic panel (106), the electric control module is electrically connected with the storage battery and the rotor (201) to form a circuit series, and the control chip is signal connected with the electric control module and the wireless transceiver module.

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