CN211318341U

CN211318341U - Portable anti-interference high-precision air quality detector

Info

Publication number: CN211318341U
Application number: CN201920481212.4U
Authority: CN
Inventors: 何欣鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2020-08-21
Anticipated expiration: 2029-04-11

Abstract

The utility model discloses a portable anti-interference high-precision air quality detector, which comprises a detector body, wherein a data acquisition module, a data processing module, a display module, a power module and a sensor module are arranged in the detector body, an air inlet filter plate, an air inlet constant-speed fan, a sensor, an air draft constant-speed fan, a one-way air valve and an air outlet filter plate are arranged in the sensor module, the air inlet filter plate and the air inlet constant-speed fan are sequentially arranged on the upper part of the sensor, and the bottom of the air inlet filter plate is movably connected with the air inlet; the lower part of the sensor is sequentially provided with an air draft constant speed fan, a one-way air valve and an air outlet filter plate, the bottom of the air draft constant speed fan is movably provided with the one-way air valve, and the bottom of the one-way air valve is movably provided with the air outlet filter plate. The utility model discloses guaranteed advance, the unblocked of air-out, can not influence the stability of sample air current yet to prevent that the air of air outlet from leading to the fact the influence to the sensor against the current, guaranteed that sensor output is stable and numerical value of high accuracy again.

Description

Portable anti-interference high-precision air quality detector

Technical Field

The utility model belongs to the technical field of the air quality detector, especially, relate to a portable anti-interference high accuracy air quality detector.

Background

With the continuous development of industrialization, the environmental problems are more and more, and the air quality problem is one of the problems. Haze weather gradually becomes a main factor influencing air quality in most areas of China, and particulate matters are main atmospheric pollutants for forming haze. The environment monitoring center is only provided with environment monitoring points in individual areas, and people can only refer to the air quality data of the nearby monitoring points to estimate the environment condition of the people. The air quality problem seriously affects the daily life of people, and people not only need to know the air quality data of monitoring points from the internet, but also hope to monitor the air quality data of the environment where the people are located at any time and any place. With this demand, a variety of test instruments for testing air quality are available on the market.

The publication number CN108760982A discloses a portable air quality detector, which comprises a handheld device shell and a detection circuit module, wherein the detection circuit module comprises a microprocessor module, a data acquisition module, a signal preprocessing module, a data storage module, a data display module, a wireless communication module, a positioning module and an abnormality prompting module, the most common portable air quality detector in the market is easily affected by environmental conditions such as debris and wind power change in practical use, the displayed numerical value is usually unstable because detailed research is not carried out on the practical situation, for example, the debris and lint existing in indoor or outdoor air may affect a sensor, the wind power change such as air turbulence affects the sampling airflow unstably, and further causes the inaccuracy of the measurement numerical value of the sensor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing sensor in the prior art cannot measure the accurate value, and providing a portable anti-interference high-precision air quality detector.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a portable anti-interference high-precision air quality detector comprises a detector body, wherein a data acquisition module, a data processing module, a display module, a power module and a sensor module are arranged in the detector body, the sensor module is connected with the data acquisition module, the data acquisition module is connected with the data processing module, processed data are transmitted to the display module, the power module provides power for the detector body, an air inlet filter plate, an air inlet constant-speed fan, a sensor, an air draft constant-speed fan, a one-way air valve and an air outlet filter plate are arranged in the sensor module, the air inlet filter plate and the air inlet constant-speed fan are sequentially arranged on the upper portion of the sensor, and the bottom of the air inlet filter plate is movably connected with the air inlet constant; the air-suction constant-speed fan, the one-way air valve and the air outlet filter plate are sequentially arranged at the lower part of the sensor, the one-way air valve is movably arranged at the bottom of the air-suction constant-speed fan, and the air outlet filter plate is movably arranged at the bottom of the one-way air valve.

The air inlet filter plate and the air outlet filter plate are respectively provided with an air inlet filter screen and an air outlet filter screen, the air inlet filter screen and the air outlet filter screen are both coarse mesh filter screens, only debris and lint are filtered, air inlet and air outlet resistance cannot be caused, the air inlet constant-speed fan and the air exhaust constant-speed fan provide stable sampling airflow for the sensor, the one-way air valve only allows air to flow in one direction (from an air inlet to an air outlet), the influence of air backflow of the air outlet on the sensor is further prevented, when the portable anti-interference high-precision air quality detector is used, the power supply module sequentially provides power supplies for all parts of the portable anti-interference high-precision air quality detector according to the program of the data processing module, the air inlet constant-speed fan and the air exhaust constant-speed fan are started to provide stable sampling airflow for the sensor, and sending the related air quality index to a display module for displaying and broadcasting.

One side fixed mounting of air intake filter has the mounting panel, and the upper surface of air intake filter is equipped with the clearance frame, and the lower part of clearance frame contacts with the upper surface of air intake filter, and the clearance frame is cleared up the top side of air intake filter.

Fixed mounting has the motor on the inside wall of mounting panel, and the output shaft of motor has the axis of rotation through shaft coupling fixed mounting, and the one end fixed mounting of axis of rotation has the rolling disc, and one side fixed mounting of mounting panel has the fixed axle, and the dwang has been cup jointed in the activity on the fixed axle, and equal fixed mounting has the round pin axle on dwang and the rolling disc, and the activity has cup jointed the drive rod between two round pin axles, and the motor rotates and drives the axis of rotation and rotate, and the axis of rotation drives the rolling disc and rotates, and the rolling disc rotates and drives the drive rod through a round pin axle and rotate, and the dwang rotates through another round pin axle pulling dwang, and the dwang rotates on the fixed axle, one side fixed mounting of clearance frame has the connecting rod.

The last flexible groove of having seted up of mounting panel, flexible inslot movable mounting has flexible piece, fixed mounting has the spring on the bottom side inner wall of flexible groove, the top other end fixed mounting of spring is on the bottom side of flexible piece, one side fixed mounting of flexible piece has the roof, the tip movable mounting of drive pole has the gyro wheel, the gyro wheel contacts with the bottom side of roof, the bottom fixed mounting of roof has the vibrations pole, the bottom fixed mounting of vibrations pole has the vibrations piece, the lower part of vibrations piece and the top side looks adaptation of air intake filter, the drive pole rotates simultaneously, make gyro wheel and roof break away from, the spring is in tensile state this moment, consequently make flexible piece drive the roof removal under the effect of the contractile force of spring, the roof removes and drives the vibrations piece through the vibrations pole and strikes the air.

The limiting groove has been seted up to one side of mounting panel, and limiting groove movable mounting has the stopper, and one side fixed mounting of stopper passes through stopper at limiting groove horizontal migration at one side of connecting rod on the connecting rod.

Fixed mounting has a plurality of clearance poles in the clearance frame, and the bottom side fixed mounting of clearance pole has a plurality of brushes, and a plurality of brushes all contact with the upper surface of air intake filter, and the clearance frame removes and drives a plurality of clearance poles and remove, and the clearance pole drives a plurality of brushes and removes on the top side of air intake filter to clean it.

Compared with the prior art, the beneficial effects of the utility model are that: through the matching use of the detector, the air inlet filter screen, the air inlet constant speed fan, the sensor, the air draft constant speed fan, the one-way air valve, the air outlet filter screen and the sensor module, the air inlet filter screen and the air outlet filter screen are thick screen mouth filter screens, only debris and lint are filtered, air inlet and air outlet resistance cannot be caused, the air inlet constant speed fan and the air draft constant speed fan provide stable sampling air flow for the sensor, the one-way air valve only allows air to flow in one direction, and through the matching use of the detector, the air inlet filter screen, the mounting plate, the cleaning frame, the motor, the rotating shaft, the rotating disc, the driving rod, the fixed shaft, the rotating rod, the linkage rod, the connecting rod, the telescopic groove, the telescopic block, the top plate, the vibrating rod, the limiting groove, the limiting block and the cleaning rod, when the rotating disc rotates for one circle, the cleaning frame moves back and forth once, and the vibrating block strikes, the smooth of the filter plate at the air inlet is ensured;

the utility model discloses be equipped with air intake filter screen and air outlet filter screen on the sensor module, no matter be indoor or outdoor, the homoenergetic blocks the interference of piece and fine hair wadding etc., clearance frame round trip movement simultaneously, the air intake filter is strikeed to the vibrations piece, avoided piece and fine hair wadding card on perhaps attaching to the air intake filter, advance has been guaranteed, the noncongestion of air-out, owing to be equipped with air inlet constant speed fan and convulsions constant speed fan again, even when having guaranteed that wind-force changes, can not influence the stability of sample air current yet, be equipped with one-way pneumatic valve, just so can prevent that the air of air outlet from leading to the fact the influence to the sensor against the current, the numerical value of.

Drawings

Fig. 1 is a schematic structural view of a portable anti-interference high-precision air quality detector provided by the utility model;

fig. 2 is a schematic structural diagram of a sensor module of the portable anti-interference high-precision air quality detector provided by the utility model;

fig. 3 is a schematic structural diagram of a portion a in fig. 2 of a portable anti-interference high-precision air quality detector provided by the present invention;

fig. 4 is the utility model provides a portable anti-interference high accuracy air quality detector's clearance frame's schematic structure diagram.

In the figure: the device comprises a detector 1, a data acquisition module 101, a data processing module 102, a display module 103, a power supply module 104, a sensor module 105, an air inlet filter plate 2, an air inlet constant-speed fan 3, a sensor 4, an air draft constant-speed fan 5, a one-way air valve 6, an air outlet filter plate 7, a mounting plate 8, a cleaning frame 9, a motor 10, a rotating shaft 11, a rotating disc 12, a driving rod 13, a fixing shaft 14, a rotating rod 15, a linkage rod 16, a connecting rod 17, an expansion groove 18, an expansion block 19, a top plate 20, a vibration rod 21, a limit groove 22, a limit block 23 and a cleaning rod 24.

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.

As shown in fig. 1-4, the portable anti-interference high-precision air quality detector of the present embodiment includes a detector body 1, the detector body 1 is internally provided with a data acquisition module 101, a data processing module 102, a display module 103, a power supply module 104 and a sensor module 105, the sensor module 105 is connected with the data acquisition module 101, the data acquisition module 101 is connected with the data processing module 102, the processed data is transmitted to the display module 103, the power supply module 104 supplies power to the detector body 1, the sensor module 105 is internally provided with an air inlet filter plate 2, an air inlet constant speed fan 3, a sensor 4, an air draft constant speed fan 5, a one-way air valve 6 and an air outlet filter plate 7, the upper part of the sensor 4 is sequentially provided with an air inlet filter plate 2 and an air inlet constant-speed fan 3, and the bottom of the air inlet filter plate 2 is movably connected with the air inlet constant-speed fan 3; the lower part of the sensor 4 is sequentially provided with an air draft constant speed fan 5, a one-way air valve 6 and an air outlet filter plate 7, the bottom of the air draft constant speed fan 5 is movably provided with the one-way air valve 6, and the bottom of the one-way air valve 6 is movably provided with the air outlet filter plate 7. In the embodiment, the movable connection is realized through bolts.

Preferably, in this embodiment, the air inlet filter plate 2 and the air outlet filter plate 7 are respectively laid with an air inlet filter screen and an air outlet filter screen, both the air inlet filter screen and the air outlet filter screen are coarse mesh filter screens, and only filter debris and lint without causing air inlet and air outlet resistance, the air inlet constant speed fan 3 and the air draft constant speed fan 5 provide stable sampling airflow for the sensor 4, and the one-way air valve 6 only allows air to flow in one direction (from the air inlet to the air outlet), thereby further preventing the air at the air outlet from being influenced by reverse flow of air to the sensor, when in use, the power module sequentially provides power for each part of the portable anti-interference high-precision air quality detector according to the program of the data processing module, the air inlet constant speed fan 3 and the air draft constant speed fan 5 are started to provide stable sampling airflow for the sensor 4, and the sensor 4, and the data processing module analyzes and processes the data and sends the related air quality index to the display module for displaying and broadcasting.

Preferably, in this embodiment, one side fixed mounting of air intake filter 2 has mounting panel 8, and the upper surface of air intake filter 2 is equipped with clearance frame 9, and the lower part of clearance frame 9 contacts with the upper surface of air intake filter 2, and clearance frame 9 clears up the top side of air intake filter 2.

Preferably, in this embodiment, a motor 10 is fixedly installed on the inner side wall of the installation plate 8, an output shaft of the motor 10 is fixedly installed with a rotation shaft 11 through a coupling, one end of the rotation shaft 11 is fixedly installed with a rotation disc 12, one side of the installation plate 8 is fixedly installed with a fixed shaft 14, a rotation rod 15 is movably sleeved on the fixed shaft 14, pin shafts are fixedly installed on both the rotation rod 15 and the rotation disc 12, a driving rod 13 is movably sleeved between the two pin shafts, the motor 10 rotates to drive the rotation shaft 11 to rotate, the rotation shaft 11 drives the rotation disc 12 to rotate, the rotation disc 12 rotates to drive the driving rod 13 to rotate through one pin shaft, the driving rod 13 rotates to pull the rotation rod 15 to rotate through the other pin shaft, the rotation rod 15 rotates on the fixed shaft 14, a connection rod 17 is fixedly installed on one side of the cleaning frame 9, a linkage rod 16, the rotating rod 15 rotates to drive the connecting rod 17 to move through the linkage rod 16.

Preferably, in this embodiment, the mounting plate 8 is provided with a telescopic slot 18, a telescopic block 19 is movably mounted in the telescopic slot 18, a spring is fixedly mounted on the inner wall of the bottom side of the telescopic slot 18, the other end of the top of the spring is fixedly mounted on the bottom side of the telescopic block 19, a top plate 20 is fixedly mounted on one side of the telescopic block 19, a roller is movably mounted at the end of the rotating rod 15, the roller contacts with the bottom side of the top plate 20, a vibration rod 21 is fixedly mounted at the bottom of the top plate 20, a vibration block is fixedly mounted at the bottom end of the vibration rod 21, the lower part of the vibration block is matched with the top side of the air, at the same time, the turning rod 15 is turned, so that the roller is disengaged from the top plate 20, at which point the spring is in tension, therefore, under the action of the contraction force of the spring, the telescopic block 19 drives the top plate 20 to move, and the top plate 20 moves to drive the vibration block to knock the air inlet filter plate 2 through the vibration rod 21.

As further preferred, in this embodiment, a limiting groove 22 is formed in one side of the mounting plate 8, a limiting block 23 is movably mounted in the limiting groove 22, and one side of the limiting block 23 is fixedly mounted on one side of the connecting rod 17, and the connecting rod 17 horizontally moves in the limiting groove 22 through the limiting block 23.

As further preferred, in this embodiment, fixed mounting has a plurality of clearance poles in clearance frame 9, and the bottom side fixed mounting of clearance pole has a plurality of brushes, and a plurality of brushes all contact with the upper surface of air intake filter 2, and clearance frame 9 removes and drives a plurality of clearance poles and remove, and the clearance pole drives a plurality of brushes and removes on the top side of air intake filter 2 to clean it.

Preferably, the air inlet filter screen and the air outlet filter screen are thick screen mesh screens, only debris and lint are filtered, air inlet resistance and air outlet resistance are not caused, the air inlet constant-speed fan 3 and the air exhaust constant-speed fan 5 provide stable sampling airflow for the sensor 4, the one-way air valve 6 only allows one-way air flow (from the air inlet to the air outlet), and further prevents the influence of air backflow of the air outlet on the sensor, when the portable anti-interference high-precision air quality detector is used, the power module sequentially provides power sources for all parts of the portable anti-interference high-precision air quality detector according to the program of the data processing module, the air inlet constant-speed fan 3 and the air exhaust constant-speed fan 5 are started to provide stable sampling airflow for the sensor 4, the sensor 4 sends measurement data to the data processing module, and relevant air quality indexes are sent to the display module for display and broadcast through analysis processing of, when the cleaning device is used, the motor 10 is started, the motor 10 drives the rotating shaft 11 to rotate, the rotating shaft 11 drives the rotating disc 12 to rotate, the rotating disc 12 rotates to drive the rotating rod 15 to rotate through the driving rod 13, the rotating rod 15 rotates to drive the connecting rod 17 to move through the linkage rod 16, the connecting rod 17 horizontally moves in the limiting groove 22 through the limiting block 23, so that the connecting rod 17 drives the cleaning frame 9 to move, the cleaning frame 9 moves to drive the cleaning rods to move, the cleaning rods drive the brushes to move on the top side of the air inlet filter plate 2 so as to clean the air inlet filter plate, meanwhile, the rotating rod 15 rotates to enable the idler wheels to be separated from the top plate 20, the spring is in a stretching state at the moment, the telescopic block 19 drives the top plate 20 to move under the action of the contraction force of the spring, the top plate 20 moves to drive the vibrating block to knock the air inlet filter plate 2, when the rotating disc 12 rotates for a week, the cleaning frame 9 moves back and forth once, and the vibration block knocks the air inlet filter plate 2 once, so that the chips and the lint are effectively prevented from being clamped or attached to the air inlet filter plate 2, and smoothness of the air inlet filter plate 2 is guaranteed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A portable anti-interference high-precision air quality detector comprises a detector body (1), wherein a data acquisition module (101), a data processing module (102), a display module (103), a power supply module (104) and a sensor module (105) are arranged in the detector body (1), the sensor module (105) is connected with the data acquisition module (101), the data acquisition module (101) is connected with the data processing module (102), processed data are transmitted to the display module (103), the power supply module (104) provides power for the detector body (1), and the portable anti-interference high-precision air quality detector is characterized in that an air inlet filter plate (2), an air inlet constant-speed fan (3), a sensor (4), an air draft constant-speed fan (5), a one-way air valve (6) and an air outlet filter plate (7) are arranged in the sensor module (105), the air inlet filter plate (2) and the air inlet constant-speed fan (3) are sequentially arranged on the upper portion, the bottom of the air inlet filter plate (2) is movably connected with an air inlet constant-speed fan (3); an air draft constant speed fan (5), a one-way air valve (6) and an air outlet filter plate (7) are sequentially arranged at the lower part of the sensor (4), the one-way air valve (6) is movably mounted at the bottom of the air draft constant speed fan (5), and the air outlet filter plate (7) is movably mounted at the bottom of the one-way air valve (6);

air intake filter screen and air outlet filter screen have been laid respectively on air intake filter (2) and air outlet filter (7), one side fixed mounting of air intake filter (2) has mounting panel (8), and the upper surface of air intake filter (2) is equipped with clearance frame (9), and the lower part of clearance frame (9) contacts with the upper surface of air intake filter (2).

2. The portable anti-interference high-precision air quality detector according to claim 1, wherein a limiting groove (22) is formed in one side of the mounting plate (8), a limiting block (23) is movably mounted in the limiting groove (22), and one side of the limiting block (23) is fixedly mounted on one side of the connecting rod (17).

3. The portable anti-interference high-precision air quality detector according to claim 1, wherein a plurality of cleaning rods (24) are fixedly installed in the cleaning frame (9), a plurality of brushes are fixedly installed on the bottom sides of the cleaning rods, and the plurality of brushes are all in contact with the upper surface of the air inlet filter plate (2).