A kind of PM2.5 on-line measuring devices
Technical field
The utility model is related to air detection technique field, specially a kind of PM2.5 on-line measuring devices.
Background technology
The phenomenon that air pollution is a complexity, in specific time and the degree of place air pollution by many factors shadow
It rings.The quality of air quality reflects air pollution degree, it is judged according to the height of pollutants in air concentration.It is empty
The pollutant of gas pollution mainly has:Flue dust, suspended particulate substance, pellet(PM10), fine particle(PM2.5), dioxy
Change nitrogen, sulfur dioxide, carbon monoxide, ozone, volatile organic compounds etc..Wherein, PM2.5 refers to that grain size is less than in air
Or the particulate matter equal to 2.5 microns, also referred to as lung particulate matter.Its main source is the burning and exhausting gas of fossil fuel, such as
Motor-vehicle tail-gas, fired coal combustion emission, volatile organic matter etc..Since PM2.5 grain sizes are small, rich in a large amount of venomous injurants
Matter, and retention time is long in air, fed distance is remote, the influence to health and atmosphere quality is very big.
Existing detector is generally fixed structure, this is just determined on street lamp or other road administration facilities
It can only detect a fixed panel region, and the distribution of PM2.5 is related with several factors, wherein just including the height in air
Degree, so needing to develop a kind of novel detection device, is solved for problems.
Utility model content
The purpose of this utility model is to provide a kind of PM2.5 on-line measuring devices, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides following technical solution:A kind of PM2.5 on-line measuring devices, including
Control cabinet and return pulley, the return pulley are mounted on the bottom of control cabinet, and the upper surface of the control cabinet is installed with the second lifting
Seat is equipped with the second hydraulic push rod above second lifting seat, and the is installed with above second hydraulic push rod
Two detectors, the upper end of second detector are installed with first lifting seat, and the upper end of the first lifting seat is equipped with
First hydraulic push rod, the upper end of first hydraulic push rod are installed with the first detector, the top of first detector
It is installed with signal projector, the upper and lower ends of first detector and the second detector are installed with erecting bed,
Sieve is installed between the erecting bed.
Preferably, the inner cavity of first detector and the second detector is installed with air velocity transducer, PM2.5 inspections
Survey sensor and Temperature Humidity Sensor.
Preferably, the model DP-FS485 of the air velocity transducer, the model of the PM2.5 detection sensors
MDSM025B, the model HAD-300L of the Temperature Humidity Sensor.
Preferably, display screen is nested on the lateral wall of the control cabinet, the lower end of the display screen is installed with control
System switch.
Preferably, accumulator group is installed in the control cabinet.
Preferably, the inner cavity of the control cabinet is equipped with microcontroller, and information memory is equipped in the microcontroller, described
Information transmission port is offered on the lateral wall of microcontroller.
Preferably, the sieve is made of stainless steel material, and the outer rim of sieve is nested with silicone gasket.
Compared with prior art, the beneficial effects of the utility model are:The PM2.5 on-line measuring devices are rational in infrastructure, real
With property height, very big improvement has been carried out in traditional detection device, first in its detection project, not just for PM2.5,
The Temperature and Humidity to wind-force and air is also added, environmental problem can be directed to, one various data reference is provided,
Single unit system is set as moveable structure simultaneously, facilitates transfer, structure has flexibility, while in the installation of detector
On, lifting gear is added to, the detection of multilayer height can be carried out, before there is wide application in the detection of existing air
Scape.
Description of the drawings
Fig. 1 is the utility model overall structure diagram;
Fig. 2 is the utility model detector structure diagram;
Fig. 3 is utility model works principle flow chart.
In figure:1 signal projector, 2 first detectors, 3 first hydraulic push rods, 4 first lifting seats, 5 second detectors, 6
Second hydraulic push rod, 7 second lifting seats, 8 control cabinets, 9 return pulleys, 10 display screens, 11 information transmission ports, 12 control switches, 13
Erecting bed, 14 sieves, 15 PM2.5 detection sensors, 16 Temperature Humidity Sensors, 17 information memories, 18 accumulator groups, 19 wind
Fast sensor, 20 microcontrollers.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
In the description of this practicality, it should be noted that the orientation of instructions such as term " vertical ", " on ", " under ", " level " or
Person's position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of and describes this practicality and simplify to describe,
Rather than instruction either implies that signified device or element must have specific orientation, with specific azimuth configuration and behaviour
Make, therefore it is not intended that limitation to this practicality.In addition, " first ", " second ", " third ", " the 4th " are only used for description mesh
, and it is not intended that instruction or hint relative importance.
In the description of this practicality, it is also necessary to explanation, unless otherwise specific regulation and limitation, term " setting ", " peace
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection can be mechanical connection or be electrically connected, and can be directly connected to or be connected by intermediary, can
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
Concrete meaning of the term in this practicality.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution:A kind of PM2.5 on-line measuring devices, including control
Case 8 and return pulley 9 are equipped with accumulator group 18 in the control cabinet 8, and for providing electric energy, the inner cavity of the control cabinet 8 is equipped with
Microcontroller 20 is equipped with information memory 17 in the microcontroller 20, and information biography is offered on the lateral wall of the microcontroller 20
Defeated port 11, for data transmission, the return pulley 9 is nested on the bottom of control cabinet 8, the lateral wall of the control cabinet 8
There is display screen 10, for data real-time display, the lower end of the display screen 10 is installed with control switch 12, is grasped for controlling
Make, the upper surface of the control cabinet 8 is installed with the second lifting seat 7, and the top of second lifting seat 7 is equipped with the second liquid
Push rod 6 is pressed, the top of second hydraulic push rod 6 is installed with the second detector 5, and the upper end of second detector 5 is consolidated
Dingan County is equipped with first lifting seat 4, and the upper end of the first lifting seat 4 is equipped with the first hydraulic push rod 3, first hydraulic push rod
3 upper end is installed with the first detector 2, and the top of first detector 2 is installed with signal projector 1, is used for
Signal transmission, the upper and lower ends of 2 and second detector 5 of the first detector are installed with erecting bed 13, the installation
Sieve 14 is installed between platform 13, for filtering, prevents from blocking, the sieve(14)It is made, and sieves of stainless steel material
Piece(14)Outer rim be nested with silicone gasket, easy for installation, the inner cavity of 2 and second detector 5 of the first detector is fixed
Air velocity transducer 19, PM2.5 detection sensors 15 and Temperature Humidity Sensor 16, the model of the air velocity transducer 19 are installed
DP-FS485, the model MDSM025B, the model HAD- of the Temperature Humidity Sensor 16 of the PM2.5 detection sensors 15
300L selects suitable sensor that can improve device detection performance.
Operation principle:In use, single unit system is moved to test point by return pulley 9, by controlling 12 control of switch the
First detector 2 and the second detector 5 are pushed to specific position by one hydraulic push rod 3 and the second hydraulic push rod 6, can be passed through
Hydraulic push rod carries out multi-level reference detection, air velocity transducer 19, PM2.5 detection sensors 15 in detector and warm and humid
Sensor 16 is spent, the wind speed of test point, humiture and PM2.5 concentration can be detected accurately, and will be real-time
The detection data information memory 17 stored within put in, can inspection be transferred data to by the signal projector 1 at top
Measured center can also be downloaded by information transmission port 11.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.