CN210268740U

CN210268740U - Easy-to-use air quality detector

Info

Publication number: CN210268740U
Application number: CN201921782139.0U
Authority: CN
Inventors: 李承冬; 何小永; 马振刚
Original assignee: Xuzhou Kanfur Electronic Technology Co ltd
Current assignee: Xuzhou Kanfur Electronic Technology Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-04-07
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses an easy-to-use type air quality detector, including preceding shell, circuit board, backshell, lithium cell and liquid crystal display, preceding shell outside movable mounting has a key cap, the laminating of preceding shell outside surface installs the screen protection pad pasting, the inside demountable installation of preceding shell has the circuit board, circuit board outside electric connection has liquid crystal display, circuit board right side electric connection has the PM2.5 sensor, the inside upper left side fixed mounting of backshell has temperature sensor, temperature sensor below fixed mounting has formaldehyde sensor, the inside below demountable installation of backshell has the lithium cell, the hole of charging has been seted up to preceding shell left side below, PM2.5 inspection hole has been seted up to preceding shell outside upper right side, inlay below the left side of the preceding shell and install the charge indicator, the formaldehyde air vent has been seted up in the backshell outside. The utility model discloses light and handy convenient to use can real-time measurement, can also popularize to in the daily life.

Description

Easy-to-use air quality detector

Technical Field

The utility model relates to an air quality detection field specifically is an easy-to-use type air quality detector.

Background

With the improvement of living standard of people, the air pollution condition of living environment is becoming the focus of people's attention, so a household type air quality detection device is urgently needed. Professional air quality detection equipment is heavy and needs professional operation, and the air quality detection equipment cannot be popularized to daily life. There is therefore a need for an air quality detector that is easy to use.

SUMMERY OF THE UTILITY MODEL

For solving the problem that appears among the prior art, the utility model provides an easy-to-use type air quality detector.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an easy-to-use type air quality detector, including preceding shell, circuit board, backshell, lithium cell and liquid crystal display, preceding shell outside movable mounting has a key cap, the laminating of preceding shell outside surface installs the screen protection pad pasting, the inside demountable installation of preceding shell has the circuit board, circuit board outside electric connection has liquid crystal display, circuit board right side electric connection has the PM2.5 sensor, the inside upper left side fixed mounting of backshell has temperature sensor, temperature sensor below fixed mounting has the formaldehyde sensor, demountable installation has the lithium cell in the inside below of backshell, the hole of charging has been seted up to preceding shell left side below, PM2.5 inspection hole has been seted up in the preceding shell outside upper right side, inlay the charge indicator lamp is installed to preceding shell left side below, the formaldehyde air vent has been seted up in the backshell outside.

Further, temperature sensor, formaldehyde sensor, PM2.5 sensor, the pilot lamp that charges all pass through wire and circuit board electric connection.

Furthermore, a battery jar is arranged on the outer side of the lithium battery, and the battery jar is fixedly installed below the inner part of the rear shell.

Further, the key cap is composed of 3 buttons, and controls a switch, a backlight and a maximum value respectively.

Further, the formaldehyde vent hole comprises 2 groups of rectangular vent holes, each group of vent holes comprises a plurality of small rectangular holes, and PM2.5 detection holes are also formed in the outer side of the rear shell.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through setting up formaldehyde sensor and PM2.5 sensor, adopt miniaturized measurement module, realize instant measuring, adopt the graphical warning that easily ordinary user understood simultaneously to realize the purpose of easy to use, also popularize to daily life more easily simultaneously.

2. Through the screen protection pad pasting that sets up, paste the preceding shell with the double faced adhesive tape on for the protection liquid crystal display is not by the fish tail, has still set up the hole of charging and the pilot lamp that charges, is convenient for charge for the device, can place as required in the place of needs, further facilitates the use.

Drawings

Fig. 1 is a schematic diagram of the overall explosion structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

fig. 3 is a schematic view of the back structure of the present invention.

In the figure: 1. a screen protection film; 2. a front housing; 3. a circuit board; 4. a formaldehyde sensor; 5. a temperature sensor; 6. a rear housing; 7. a lithium battery; 8. a PM2.5 sensor; 9. a liquid crystal display screen; 10. a key cap; 11. a charging hole; 12. PM2.5 detection holes; 13. a charging indicator light; 14. and (4) a formaldehyde vent.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, an easy-to-use air quality detector comprises a front shell 2, a circuit board 3, a rear shell 6, a lithium battery 7 and a liquid crystal display 9, wherein a key cap 10 is movably mounted on the outer side of the front shell 2, a screen protection film 1 is mounted on the outer side surface of the front shell 2 in a fitting manner, the circuit board 3 is detachably mounted in the front shell 2, the liquid crystal display 9 is electrically connected to the outer side of the circuit board 3, a PM2.5 sensor 8 is electrically connected to the right side of the circuit board 3, a temperature sensor 5 is fixedly mounted on the upper left side of the inner portion of the rear shell 6, a formaldehyde sensor 4 is fixedly mounted below the temperature sensor 5, the lithium battery 7 is detachably mounted below the inner portion of the rear shell 6, a charging hole 11 is formed below the left side of the front shell 2, a PM2.5 detection hole 12 is formed above the right side of the outer side of the front, and a formaldehyde vent hole 14 is formed in the outer side of the rear shell 6.

It should be noted that the circuit board 3 is fixed to the front case 2 by screws, the lithium battery 7 is fixed to the rear case 6 by a double-sided tape, and the rear case 6 is fixed to the front case 2 by screws.

Temperature sensor 5, formaldehyde sensor 4, PM2.5 sensor 8, charge indicator 13 all pass through wire and circuit board 3 electric connection.

It should be noted that the circuit board 3 includes a liquid crystal display 9, a key cap 10, a charging indicator 13, a processing unit and corresponding auxiliary circuits, the temperature sensor 5 is connected to the circuit board 3 by welding, the formaldehyde sensor 4 is connected to the circuit board 3 by a flat cable and fixed to the rear case 6 by a screw, and the PM2.5 sensor is connected to the circuit board 3 by a flat cable and fixed to the front case 2 by a card slot.

And a battery jar is arranged on the outer side of the lithium battery 7 and is fixedly arranged below the inner part of the rear shell 6.

The key cap 10 consists of 3 buttons, which control the switch, backlight and maximum respectively.

Referring to fig. 3, the formaldehyde vent 14 is composed of 2 groups of rectangular vent holes, wherein each group of vent holes is composed of a plurality of small rectangular holes, and the outside of the rear housing 6 is also provided with PM2.5 detection holes 12.

Please refer to fig. 2, wherein it should be further explained that the three smiling faces on the liquid crystal display screen 9 are graphical indications of whether the air quality exceeds the standard, pm2.5 and formaldehyde do not exceed the standard to display the smiling faces, at least one of pm2.5 and formaldehyde exceeds the standard to display a general expression, and at least one of pm2.5 and formaldehyde exceeds the standard to display a crying face.

The working principle is as follows: each part is well installed at a designated position according to the specification and the attached drawings, the lithium battery 7 supplies power to power utilization parts of the device, air enters the device from the formaldehyde vent hole 14 and the PM2.5 detection hole 12, corresponding data are measured by the temperature sensor 5, the formaldehyde sensor 4 and the PM2.5 sensor 8 at the moment, corresponding values are displayed by the liquid crystal display screen 9, three smiling faces on the liquid crystal display screen 9 are graphic indications of whether the air quality exceeds the standard, the smiling face is displayed when PM2.5 and formaldehyde do not exceed the standard, a common expression is displayed when at least one of PM2.5 and formaldehyde exceeds the standard, a crying face is displayed when at least one of PM2.5 and formaldehyde exceeds the standard, when the using state needs to be adjusted, the key cap 10 can be adjusted, and after the use is finished, the device is placed and concluded.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited by the above embodiments, and that the orientations indicated by the terms "upper", "lower", "left" and "right" are based on the orientation shown in the drawings, and are only for convenience of description rather than requiring that the present invention must be operated in a specific orientation, and therefore should not be construed as limiting the present invention, and that the above embodiments and the description are only illustrative of the principles of the present invention, and that the present invention may be subject to various changes and modifications without departing from the spirit and scope of the present invention, and that such changes and modifications fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an easy-to-use type air quality detector, includes preceding shell (2), circuit board (3), backshell (6), lithium cell (7) and liquid crystal display (9), its characterized in that: the utility model discloses a solar battery, including preceding shell (2) outside movable mounting have button cap (10), preceding shell (2) outside surface laminating installs screen protection pad pasting (1), preceding shell (2) inside demountable installation has circuit board (3), circuit board (3) outside electric connection has liquid crystal display (9), circuit board (3) right side electric connection has PM2.5 sensor (8), the inside upper left side fixed mounting of backshell (6) has temperature sensor (5), temperature sensor (5) below fixed mounting has formaldehyde sensor (4), the inside below demountable installation of backshell (6) has lithium cell (7), charging hole (11) have been seted up to preceding shell (2) left side below, PM2.5 inspection hole (12) have been seted up to preceding shell (2) outside upper right side, preceding shell (2) left side below is inlayed and is charged pilot lamp (13), and a formaldehyde vent hole (14) is formed in the outer side of the rear shell (6).

2. The easy-to-use air quality detector according to claim 1, wherein: temperature sensor (5), formaldehyde sensor (4), PM2.5 sensor (8), charge indicator (13) all through wire and circuit board (3) electric connection.

3. The easy-to-use air quality detector according to claim 1, wherein: and a battery jar is arranged on the outer side of the lithium battery (7), and is fixedly arranged below the inner part of the rear shell (6).

4. The easy-to-use air quality detector according to claim 1, wherein: the key cap (10) consists of 3 buttons which respectively control the switch, the backlight and the maximum value.

5. The easy-to-use air quality detector according to claim 1, wherein: the formaldehyde vent hole (14) is composed of 2 groups of rectangular vent holes, each group of vent holes is composed of a plurality of small rectangular holes, and PM2.5 detection holes (12) are also formed in the outer side of the rear shell (6).