CN210775392U

CN210775392U - Air quality detection device

Info

Publication number: CN210775392U
Application number: CN201921346380.9U
Authority: CN
Inventors: 李志鹏
Original assignee: Shenzhen Wopu Times Technology Co ltd
Current assignee: Shenzhen Wopu Times Technology Co ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-06-16
Anticipated expiration: 2029-08-20

Abstract

The utility model discloses an air quality detection device, including epitheca and drain pan, through screw fixed connection between epitheca and the drain pan, epitheca surface mounting has the LCD screen, LCD screen surface mounting has transparent lens, and transparent lens inlays on the epitheca surface, open the epitheca upper end has first through-hole, second through-hole and third through-hole, installation illuminance EVA in the first through-hole, illuminance EVA installs on illuminance sensor and platelet, illuminance sensor and platelet rear end are equipped with row needle, arrange the needle and peg graft on first sensor platelet, the human removal inductor shell of installation in the second through-hole, the human removal inductor of installation in the human removal inductor shell, the installation noise inductor in the third through-hole, first sensor platelet and mainboard electric connection. The epitheca bottom is opened there is the button through-hole, installs the button in the button through-hole, installs the switch on the button, the utility model discloses the structure principle is simple, and convenient to use can realize the real-time detection of room air quality, and it is high to detect the precision.

Description

Air quality detection device

Technical Field

The utility model relates to an air quality detects technical field, specifically is an air quality detection device.

Background

An air quality detector is a device for measuring the quality of air in an area. In places where people live and work, the bad air quality can cause harm to human bodies. With the improvement of living standard, the detection of air quality has become more and more important. The air quality detector is controlled by a single chip microcomputer and operated in a man-machine interactive mode, and can be used for quantitatively measuring the air quality of furniture and production workshops.

The existing air quality detection device has single structure and function, few detection items and can not realize the real-time detection of the air quality, so the improvement is necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air quality detection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an air quality detection device comprises an upper shell and a bottom shell, wherein the upper shell and the bottom shell are fixedly connected through screws, a liquid crystal screen is arranged on the surface of the upper shell, a transparent lens is arranged on the surface of the liquid crystal screen, the transparent lens is embedded on the surface of the upper shell, a first through hole, a second through hole and a third through hole are formed in the upper end of the upper shell, illuminance EVA is arranged in the first through hole and is arranged on an illuminance sensor and a small plate, a pin is arranged at the rear ends of the illuminance sensor and the small plate and is inserted in the first sensor small plate, a human body movement sensor shell is arranged in the second through hole, a human body movement sensor is arranged in the human body movement sensor shell, a noise sensor is arranged in the third through hole, and the illuminance sensor and the small plate, the human body movement sensor and the noise sensor are arranged on the first sensor small plate, the first sensor small plate is electrically connected with the main PCB, a key through hole is formed in the bottom of the upper shell, a key is installed in the key through hole, and a switch is installed on the key.

Preferably, still install formaldehyde sensor, TVOC sensor and PM2.5 sensor in the cavity that epitheca and drain pan enclose, the TVOC sensor is fixed on the TVOC sensor platelet, formaldehyde sensor and PM2.5 sensor fixed mounting are on the second sensor platelet, second sensor platelet and TVOC sensor platelet all with main PCB board electric connection.

Preferably, an air inlet hole is formed in the outer wall of the bottom shell, a switch through hole and a USB through hole are formed in the rear end face of the bottom shell, a switch push button is installed in the switch through hole, the inner side of the switch push button is connected with a power switch, the power switch is installed on a power platelet, the power platelet is electrically connected with a main PCB, a USB charging seat is installed in the USB through hole, and the USB charging seat is welded on the power platelet.

Preferably, the bottom of the inner side of the bottom shell is further provided with a battery bin, a lithium battery is installed in the battery bin, and the lithium battery is electrically connected with the mainboard.

Preferably, a temperature and humidity sensor small plate is installed on the inner side of the bottom shell, an EVA heat insulation sheet is arranged on the inner side of the temperature and humidity sensor small plate, and the temperature and humidity sensor small plate is electrically connected with the main PCB.

Preferably, the PCB further comprises a WIFI plate, and the WIFI plate is welded and fixed on the main PCB.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the structure principle is simple, high durability and convenient use, portable can realize the real-time detection of room air quality, can detect indoor noise intensity, illumination intensity, formaldehyde concentration, PM2.5 concentration, humiture, TVOC concentration, and it is high to detect the precision, and the sensing signal of gathering simultaneously can be converted into numerical value and show on the LCD screen, and in addition, the data of gathering can real-time transmission to backstage monitor terminal, and the technical staff of being convenient for in time carries out corresponding processing to the room air quality.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is an explosion diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an air quality detection device, includes epitheca 3 and drain pan 27, through screw fixed connection between epitheca 3 and the drain pan 27, 3 surface mounting on the epitheca have

LCD screen

2, 2 surface mounting on the LCD screen have transparent lens 1, just transparent lens 1 inlays on the epitheca 3 surface, open at epitheca 3 upper end has first through-hole, second through-hole and third through-hole, installation illuminance EVA4 in the first through-hole, illuminance EVA4 installs on illuminance sensor and platelet 5, illuminance sensor and platelet 5 rear end are equipped with row needle 6, row needle 6 pegs graft on first sensor platelet 10, installation human removal inductor shell 7 in the second through-hole, installation human removal inductor 8 in human removal inductor shell 7, installation noise inductor 9 in the third through-hole, illuminance sensor and platelet 5, Human body movement inductor 8 and noise inductor 9 are installed on first sensor platelet 10, first sensor platelet 10 and main PCB board 11 electric connection, it has the button through-hole to open 3 bottoms on the epitheca, install button 14 in the button through-hole, install switch 13 on the button 14.

In the utility model, a cavity enclosed by the upper shell 3 and the bottom shell 27 is also provided with a formaldehyde sensor 17, a TVOC sensor 19 and a PM2.5 sensor 24, wherein the formaldehyde sensor 17 collects the formaldehyde concentration in real time, the TVOC sensor 19 collects the TVOC concentration in real time, and the PM2.5 sensor 24 collects the PM2.5 concentration in real time; TVOC sensor 19 fixes on TVOC sensor platelet 18, formaldehyde sensor 17 and PM2.5 sensor 24 fixed mounting are on second sensor platelet 16, second sensor platelet 16 and TVOC sensor platelet 18 all with main PCB board 11 electric connection.

In the utility model, an air inlet is arranged on the outer wall of the bottom shell 27, a switch through hole and a USB through hole are arranged on the rear end face of the bottom shell 27, a switch push button 22 is arranged in the switch through hole, the inner side of the switch push button 22 is connected with a power switch 21, the power switch 21 is arranged on a power platelet 20, the power platelet 20 is electrically connected with the main PCB 11, a USB charging seat 23 is arranged in the USB through hole, and the USB charging seat 23 is welded on the power platelet 20; the inboard bottom of drain pan 27 still is equipped with the battery compartment, install lithium cell 15 in the battery compartment, lithium cell 15 electric connection power platelet 20.

The utility model discloses in, temperature and humidity sensor platelet 26 is installed to drain pan 27 inboard, temperature and humidity sensor platelet 26 inboard sets up EVA heat shield 25, temperature and humidity sensor platelet 26 and main PCB board 11 electric connection. The temperature and humidity sensor small plate 26 can collect the temperature and humidity of indoor air in real time, and the EVA heat insulation sheet can reduce the influence of heat generated by the device during working on the collected temperature and humidity.

Furthermore, the utility model discloses in, still include WIFI board 12, WIFI board 12 welded fastening is on main PCB board 11. The WIFI board that sets up can send wireless signal, and the device of being convenient for carries out data transmission with the backstage.

To sum up, the utility model discloses the structure principle is simple, convenient to use, and portable can realize the real-time detection of room air quality, can detect indoor noise intensity, illumination intensity, formaldehyde concentration, PM2.5 concentration, humiture, TVOC concentration, and it is high to detect the precision, and the sensing signal who gathers simultaneously can convert numerical value into and show on the LCD screen, and in addition, the data of gathering can real-time transmission to backstage monitor terminal, and the technical staff of being convenient for in time carries out corresponding processing to the room air quality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An air quality detection device, includes epitheca (3) and drain pan (27), its characterized in that: the upper shell (3) and the bottom shell (27) are fixedly connected through screws, the surface of the upper shell (3) is provided with a liquid crystal screen (2), the surface of the liquid crystal screen (2) is provided with a transparent lens (1), the transparent lens (1) is embedded on the surface of the upper shell (3), the upper end of the upper shell (3) is provided with a first through hole, a second through hole and a third through hole, the first through hole is internally provided with an illumination EVA (4), the illumination EVA (4) is arranged on an illumination sensor and a small plate (5), the rear ends of the illumination sensor and the small plate (5) are provided with a row needle (6), the row needle (6) is inserted on the first sensor small plate (10), the second through hole is internally provided with a human body movement sensor shell (7), the human body movement sensor (8) is arranged in the human body movement sensor shell (7), and an induction noise device (9) is arranged in the third through hole, illuminance sensor and platelet (5), human removal inductor (8) and noise inductor (9) are installed on first sensor platelet (10), first sensor platelet (10) and main PCB board (11) electric connection, epitheca (3) bottom is opened there is the button through-hole, install button (14) in the button through-hole, install switch (13) on button (14).

2. An air quality detection device according to claim 1, wherein: still install formaldehyde sensor (17), TVOC sensor (19) and PM2.5 sensor (24) in the cavity that epitheca (3) and drain pan (27) enclose, TVOC sensor (19) are fixed on TVOC sensor platelet (18), formaldehyde sensor (17) and PM2.5 sensor (24) fixed mounting are on second sensor platelet (16), second sensor platelet (16) and TVOC sensor platelet (18) all with main PCB board (11) electric connection.

3. An air quality detection device according to claim 1, wherein: the utility model discloses a power supply device, including drain pan (27), drain pan (27) outer wall, switch through-hole and USB through-hole have been opened to the opening on drain pan (27) outer wall, drain pan (27) rear end face is opened there are switch through-hole and USB through-hole, installation switch push button (22) in the switch through-hole, switch push button (22) inboard connection switch (21), install on power platelet (20) switch (21), power platelet (20) and main PCB board (11) electric connection, installation USB charging seat (23) in the USB through-hole, USB charging seat (23) welding is in power platelet (20).

4. An air quality detection device according to claim 1, wherein: the bottom shell (27) inboard bottom still is equipped with the battery compartment, install lithium cell (15) in the battery compartment, lithium cell (15) electric connection main PCB board (11).

5. An air quality detection device according to claim 1, wherein: temperature and humidity sensor platelet (26) are installed to drain pan (27) inboard, temperature and humidity sensor platelet (26) inboard sets up EVA heat insulating sheet (25), temperature and humidity sensor platelet (26) and main PCB board (11) electric connection.

6. An air quality detection device according to claim 1, wherein: still include WIFI board (12), WIFI board (12) welded fastening is on main PCB board (11).