Vehicle-mounted particulate matter on-line computing model
Technical field
This utility model belongs to particle monitoring technical field, particularly relates to a kind of vehicle-mounted particulate matter on-line computing model.
Background technology
China's major part urban air ecological deterioration, haze weather frequently occurs, and has analysis to point out, airborne dust particulate matter is for I
One of air pollution source main in state city, its have become as that serious restriction China quality of air environment improves main because of
Element.Airborne dust particulate matter has not only had a strong impact on Urban Ecology Landscape, and the healthy of people be also result in serious prestige
The side of body.
CN204758443U discloses a kind of fixedly mounted airborne dust particle monitoring device, including equipment cabinet, divides
Desorption device support, the upper end linking parsing equipment supporter of equipment cabinet, described equipment cabinet includes aerosol detector, air
Boost pump, information store transmitter, screw rod, electric screw machine, dark slide, and equipment cabinet includes upper and lower two parts, is positioned at equipment
The top of cabinet is provided with electric screw machine, and one end of electric screw machine connects one end of screw rod, and the other end of screw rod connects shading
Plate, the side of dark slide is provided with aerosol detector;The bottom being positioned at equipment cabinet is provided with information storage transmitter, and information stores
The side of transmitter is provided with air-assisted pump.It is big that this airborne dust monitoring device there is problems of volume, is not suitable for being arranged on vehicle
On, therefore cannot realize the real-time detection of dust on the roads granule.
Utility model content
The technical problems to be solved in the utility model is to provide that a kind of testing result is accurate, efficiency is high, can detect in real time
The vehicle-mounted particulate matter on-line computing model of road airborne dust granule.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that
A kind of vehicle-mounted particulate matter on-line computing model, including housing, air chamber, controller, LED dot matrix screen, on the sidewall of housing
Arranging cable interface, the bottom of housing arranges air inlet and gas outlet, and in housing, rearward position installs air chamber, and air chamber is installed powder
Dirt cutting head, gas indoor location laser light scattering dust sensor, air chamber arranges signal output interface, laser light scattering dust senses
Device is connected with the signal receiving end of controller by signal output interface, and air chamber arranges air chamber gas outlet, at air chamber in housing
Side gas production pump is installed, air chamber gas outlet is connected with gas production pump by pipeline, and in housing, the forward position at air chamber fixes master
Control plate and dot matrix screen drive plate, and controller is arranged on master control borad, and in housing, forward position installs LED dot matrix screen, controller
Signal output part drives the signal receiving end of plate to be connected with dot matrix screen, and dot matrix screen drives signal output part and the LED dot matrix screen of plate
Control end connect.
This utility model vehicle-mounted particulate matter on-line computing model, further, described housing be symmetrically mounted at the bottom of a pair magnetic
Ferropexy box, installs super magnet in Magnet fixed bin.
This utility model vehicle-mounted particulate matter on-line computing model, further, rubber is pasted in the bottom of described Magnet fixed bin
Pad.
This utility model vehicle-mounted particulate matter on-line computing model, further, described super magnet is cuboid.
This utility model vehicle-mounted particulate matter on-line computing model, further, described air chamber includes being fixed together
Upper casing and lower casing, arrange sealing gasket and seal between upper casing and lower casing.
This utility model vehicle-mounted particulate matter on-line computing model, further, described upper casing and lower casing use aluminium alloy to make.
This utility model vehicle-mounted particulate matter on-line computing model, further, described master control borad is respectively mounted GPS module and
Bluetooth module.
This utility model vehicle-mounted particulate matter on-line computing model, further, shields glass before the installed in front of described LED dot matrix screen
Glass.
This utility model vehicle-mounted particulate matter on-line computing model, further, is set to streamlined on rear side of described housing.
This utility model vehicle-mounted particulate matter on-line computing model, further, described cable interface uses aviation plug.
This utility model vehicle-mounted particulate matter on-line computing model, uses laser light scattering dust sensor, dust detection to use and swash
Light scattering principle, testing result is accurate, and efficiency is high, and intake method uses pump suction type, and gas flowing ratio is very fast, and response time is relatively
Short, air chamber is installed cutting head, gas is filtered, further increase detection efficiency and accuracy, LED dot matrix screen is installed
Show testing result in real time, in real time monitoring dust on the roads numerical value, analyze dust on the roads discharge behavior, it is achieved that detect road in real time
The discharge behavior of airborne dust granule.
Below in conjunction with the accompanying drawings vehicle-mounted particulate matter on-line computing model of the present utility model is described further.
Accompanying drawing explanation
Fig. 1 is the front view of this utility model vehicle-mounted particulate matter on-line computing model;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is A-A sectional view in Fig. 1;
Fig. 4 is the front view of air chamber;
Fig. 5 is the sectional view of air chamber;
Fig. 6 is the rearview of Fig. 4.
Detailed description of the invention
As shown in Figure 1-Figure 3, this utility model vehicle-mounted particulate matter on-line computing model include housing 1, air chamber 2, controller 3,
LED dot matrix screen 4, is set to streamlined on rear side of housing 1.Arranging cable interface 11 on the sidewall of housing 1, cable interface 11 uses boat
Blind plug, facilitates cable to plug, and has waterproof action.The bottom of housing 1 is symmetrically installed pair of magnet fixed bin 5 by screw,
Installing super magnet 51 in Magnet fixed bin 5, super magnet 51 is cuboid, and rubber blanket is pasted in the bottom of Magnet fixed bin 5
52, it is to avoid car paint is caused cut.The bottom of housing 1 arranges air inlet 12 and gas outlet 13, enable internal gas quickly with
Outside swaps, and prevents rainwater from entering air chamber 2 simultaneously.
In housing 1, rearward position installs air chamber 2, and shown in Fig. 4-Fig. 6, air chamber 2 includes being connected by screw together
Upper casing 21 and lower casing 22, upper casing 21 and lower casing 22 use aluminium alloy to make, between upper casing 21 and lower casing 22, sealing gasket is set and enters
Row seals.Installing dust cutting head 23 on air chamber 2, as required, optional PM2.5 or PM10 dust cuts dust cutting head 23
Head.Laser light scattering dust sensor 6 is installed, for detecting the dust concentration of PM2.5 or PM10 in air chamber 2.On air chamber 2, letter is set
Number output interface 24, laser light scattering dust sensor 6 is connected with the signal receiving end of controller 3 by signal output interface 24.
Arranging air chamber gas outlet 25 on air chamber 2, install gas production pump 7 in housing 1 in the side of air chamber 2, pipeline is passed through in air chamber gas outlet 25
It is connected with gas production pump 7.
In housing 1, the forward position at air chamber 2 fixes master control borad 8 and dot matrix screen drives plate 9, and master control borad 8 is respectively mounted
Controller 3, GPS module 81, bluetooth module 82, GPS module 82 and bluetooth module 82 are respectively used to the location of the equipment that realizes, mobile phone
Communication function.In housing 1, forward position installs LED dot matrix screen 4, panel glass 10 before the installed in front of LED dot matrix screen 4, controls
The signal output part of device 3 drives the signal receiving end of plate 9 to be connected with dot matrix screen, and dot matrix screen drives signal output part and the LED of plate 9
The control end of dot matrix screen 4 connects.
This utility model vehicle-mounted particulate matter on-line computing model work process is:
Monitor use during use the mode of magnetic be arranged on automobile top, towards headstock direction, LED on rear side of monitor
Dot matrix screen 4 facing tailstock direction, extraneous air air inlet 12 bottom housing 1 enters in housing 1, under gas production pump 7 acts on,
Entering air chamber 2 by dust cutting head 23, particle concentration in gas is detected by laser light scattering dust sensor 6, and will
Signal is sent to controller 3, after signal is processed by controller 3, by testing result real-time Transmission to LED dot matrix screen 4.
This utility model vehicle-mounted particulate matter on-line computing model compared with prior art, has the advantages that
1. using laser light scattering dust sensor, dust detection to use laser light scattering principle, testing result is accurate, efficiency
Height, intake method uses pump suction type, and gas flowing ratio is very fast, and response time is shorter, air chamber is installed cutting head, carries out gas
Filter, further increase detection efficiency and accuracy, LED dot matrix screen is installed and shows testing result in real time, monitor road in real time
Airborne dust particulate matter numerical value, analyzes the granular material discharged behavior of dust on the roads, it is achieved that detect the discharge row of dust on the roads granule in real time
For.
2. fixed form is magnetic-type, it is to avoid vehicle body is caused damage.
3. it is set to streamlined on rear side of housing, reduces gas-flow resistance.
4. upper casing and lower casing use aluminium alloy to be processed and formed at one time, and are connected by screw is fixing between upper casing with lower casing, and
Sealing gasket is set, it is achieved that fully seal.
Embodiment described above is only to be described preferred implementation of the present utility model, not to this practicality
Novel scope is defined, and on the premise of without departing from this utility model design spirit, those of ordinary skill in the art are to this
Various deformation that the technical scheme of utility model is made and improvement, all should fall into the protection that this utility model claims determine
In the range of.