CN206161613U

CN206161613U - VOC sensor network monitor

Info

Publication number: CN206161613U
Application number: CN201620963500.XU
Authority: CN
Inventors: 张玲; 王春迎; 邹昊; 马景金; 马铁成; 高胜利
Original assignee: HEBEI SAILHERO ENVIRONMENTAL PROTECTION HI-TECH Co Ltd
Current assignee: HEBEI SAILHERO ENVIRONMENTAL PROTECTION HI-TECH Co Ltd
Priority date: 2016-08-29
Filing date: 2016-08-29
Publication date: 2017-05-10
Anticipated expiration: 2026-08-29

Abstract

The utility model relates to a VOC sensor network monitor, belong to atmospheric environmental monitoring technical field, this monitor is including the casing that has inlet port and venthole and install the main control board and the mounting panel that has information collection system in the casing, information collection system is connected with the main control board electricity, still be provided with electrical power generating system and message transfer system in the casing, information collection system is including being fixed in the sensor group on the mounting panel, sensor group includes temperature sensor, humidity transducer, PID sensor and CMOS sensor, be provided with ventilation holes between mounting panel and the shells inner wall, the inlet port, ventilation holes and the circulation of air passageway of play pore forming air current through sensor group, still be provided with positioner in the casing, this monitor adopts the sensor to carry out pollutant information acquisition, the preparation and the maintenance of monitor cost is reduced, quantity ground carries out the net setting greatly, information is fed back in real time, monitor information is comparatively accurate.

Description

A kind of VOC sensing networks monitor

Technical field

The utility model belongs to atmosphere environment supervision technical field, and in particular to a kind of VOC sensing networks monitor.

Background technology

With social development and the increase of population, the pollution of atmospheric environment is increasingly severe, for the reality of atmosphere pollution When monitoring it is more and more important, wherein VOC is the more important pollutant of a class, exactly refers to volatile organic matter, but environmental protection meaning Definition in justice refers to an active class volatile organic matter, i.e., can produce that class volatile organic matter of harm, its volatilization Property also can change with temperature, the difference of humidity, to human society life and production can have a huge impact, therefore tie It is more accurate that the atmosphere pollution that closing air themperature and humidity is carried out is monitored, with more reference value.

The monitoring of existing air pollutants mainly after air sampling by the large-scale instruments such as various chromatograms, mass spectrum come Carry out loading of air pollutant analysis, the precision for not requiring nothing more than optical instrument is higher, and operating process is complicated, relevant device into This is higher, it is impossible to big quantity arrangement, therefore, for each region for needing detection can not accomplish simultaneously, real-time monitoring, also The real-time pollutant index in each region of same time can not be obtained, the referring to property of resulting pollutant load index is limited, Air contaminant treatment can not be well instructed to work.

Utility model content

The utility model overcomes the shortcoming of existing VOC monitors, there is provided a kind of VOC sensing networks monitor, the prison Survey instrument replaces existing large-scale instrument to carry out air pollutants information gathering using sensor, and cost is substantially reduced, monitor energy It is enough to arrange and formed monitoring network in a large number, all data in monitored area can synchronously, be in real time obtained, additionally, the monitor is logical The information gathering that air communication channel is carried out under natural ventilating status is crossed, collection information is undistorted.

Concrete technical scheme of the present utility model is：

A kind of VOC sensing networks monitor, the monitor includes the housing with air admission hole and venthole and is installed on shell Master control borad in body and the installing plate with information acquisition system, information acquisition system is electrically connected with master control borad, also set in housing Power-supply system and message transfer system are equipped with, key point is that described information acquisition system includes the biography being fixed on installing plate Sensor group, sensor group includes temperature sensor, humidity sensor, PID sensor and cmos sensor, in installing plate and housing Air-through holes are provided between wall, air admission hole, air-through holes and venthole form the air stream that air flows through sensor group Circulation passage, in the housing positioner is additionally provided with.

It is provided with described installing plate and, in work and the switching mechanism of holding state switching, is cut for by PID sensor Converting mechanism includes servomotor, transmission mechanism and the baffle plate being fixed on installing plate, and baffle plate is by servomotor and transmission mechanism Draw form reciprocating device outside PID sensor information gathering end, servomotor is electrically connected with master control borad.

Light signal collection mechanism, the information output and master control borad of light signal collection mechanism are provided with described installing plate Electrical connection, light signal collection mechanism includes being arranged at the optocoupler and connected photoelectric signal transformation circuit below baffle plate, gear Plate lower end is provided with spaced first block and the second block, the mobile formation of the first block and the second block by baffle plate The unlatching gear and closing gear of optocoupler, photoelectric signal transformation circuit output end is electrically connected with master control borad.

Described housing includes the top shell with venthole that from top to bottom successively fastening is integrated, middle shell and with air inlet The drain pan in hole, master control borad and installing plate are respectively positioned on inside middle shell.

Described air admission hole is the air-inlet grille for being arranged on housing bottom, and air-inlet grille inner side is provided with stainless (steel) wire.

Described power-supply system includes civil power mechanism, solar-electricity source mechanism, battery supply mechanism and electric power management circuit, Civil power mechanism is the attaching plug being arranged on housing exterior walls, and solar-electricity source mechanism includes being arranged on housing exterior walls too Positive energy cell panel, battery supply mechanism is defeated for the electric power of lithium battery or super capacitor, civil power mechanism and solar-electricity source mechanism Go out end to be connected with the power input end of battery supply mechanism, civil power mechanism, solar-electricity source mechanism and battery supply mechanism Power output end is connected by electric power management circuit with the power input end of all power units.

Described attaching plug includes three core aviation plugs and six core aviation plugs.

Described message transfer system includes SIM mounting seat, network interface and WIFI module.

Described positioner is GPS module.

The beneficial effects of the utility model are：The utility model replaces existing large-scale optical instrument by sensor group To carry out the sampling of air pollutants, the setup cost of VOC sensing network monitors is substantially reduced, and can be easy to high density, big Scope is configured, and at some the region of air monitering, such as cell, industrial park are needed, being capable of high density, all standing ground cloth The VOC sensing network monitors are put, VOC monitoring networks are ultimately formed, all monitors can be carried out synchronously, in real time in the network Air V OC concentration data is generated, and all data can reflect the real-time pollution condition of the monitored area and the dirt of certain time period Dye trend, generates situation and Development area, and pollution administration, with very strong directive significance for air pollution is understood.

Description of the drawings

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the top view of installing plate in the utility model.

Fig. 3 is the upward view of installing plate in the utility model.

Fig. 4 is air circulation schematic diagram in the utility model.

Fig. 5 is the operation principle schematic diagram of light signal collection mechanism in the utility model.

In accompanying drawing, 1, air admission hole, 2, venthole, 3, master control borad, 4, installing plate, 5, PID sensor, 6, cmos sensor, 7th, servomotor, 8, baffle plate, 10, photoelectric signal transformation circuit, 11, top shell, 12, middle shell, 13, drain pan, 14, three core aviations are inserted Head, 15, six core aviation plugs, 16, SIM mounting seat, 17, light beam, 18, bayonet cap, 19 nameplates, 20, air-through holes, 21, First block, the 22, second block.

Specific embodiment

The utility model is related to a kind of VOC sensing networks monitor, and the monitor is included with air admission hole 1 and venthole 2 Housing and the master control borad 3 that is installed in housing and the installing plate 4 with information acquisition system, information acquisition system and master control borad 3 electrical connections, are additionally provided with power-supply system and message transfer system in housing, described information acquisition system includes being fixed on installation Sensor group on plate 4, sensor group includes temperature sensor, humidity sensor, PID sensor 5 and cmos sensor 6, peace Air-through holes 20 are provided between dress plate 4 and inner walls, air admission hole 1, air-through holes 20 and venthole 2 form air stream The air communication channel of Jing sensor groups, in the housing positioner is additionally provided with.

Specific embodiment, as shown in Figures 1 to 5, the housing include from top to bottom successively fasten be integrated carry out The top shell 11 of pore 2, middle shell 12 and the drain pan 13 with air admission hole 1, master control borad 3 and installing plate 4 are respectively positioned on inside middle shell 12, are entered Pore 1 is the air-inlet grille for being arranged on housing bottom, and air-inlet grille inner side is provided with stainless (steel) wire, and air has the air inlet grille of bottom Grid are entered in housing, and stainless (steel) wire can play a part of impurity screening, it is to avoid monitor is subject to impurity effect, portion of air The external world is circulated to by air-inlet grille after sensor group, another part air after sensor group, then via air circulation The external world is circulated to after hole 20, venthole 2, at the same time, after monitor operating a period of time, all parts can generate heat, base In hot gas rising principle, metapyretic gas is dissipated by the venthole 2 on top in monitor, and extraneous gas at normal temperature then passes through The air admission hole 1 of bottom is entered in monitor, reaches the effect of cooling all parts, after air flows through sensor group, sensor Sensor carries out coherent detection work and testing result is sent to master control borad 3 in group, and master control borad 3 collects different sensors Contaminant information, temperature, humidity and monitor present position information sent to remote service via message transfer system Device.

In order that the monitor departs from the restriction of civil power, reach the purpose of flexible setting, power-supply system include civil power mechanism, Solar-electricity source mechanism, battery supply mechanism and electric power management circuit, civil power mechanism is that the power supply being arranged on housing exterior walls is inserted Head, solar-electricity source mechanism includes being arranged at solar panel on housing exterior walls, battery supply mechanism be lithium battery or The power output end of super capacitor, civil power mechanism and solar-electricity source mechanism with the power input end phase of battery supply mechanism Even, the power output end of civil power mechanism, solar-electricity source mechanism and battery supply mechanism by electric power management circuit with it is all The power input end of power unit is connected, in the occasion for conveniently carrying out city's electrical connection, by civil power through three core aviation plugs 14 or The core aviation plug 15 of person six is attached power supply, bayonet cap 18 is additionally provided with outside attaching plug, to protect attaching plug not It is damaged or avoid dust and impurity to enter in attaching plug, while civil power is charged to battery supply mechanism, in not side Just the occasion of city's electrical connection is carried out, electric power management circuit control solar panel is generated electricity and supplied electric energy, while to electricity Pond power sector is charged, and is being inconvenient to carry out city's electrical connection and without the utilizable occasion of solar energy, by battery electricity Source mechanism to all power units are powered, and the power-supply system can carry out uninterrupted power supply in different occasions to monitor, monitoring The set location of instrument is more flexible, and stream time can be effectively ensured, and effectively reduces because power issue causes Stopped status.

Nameplate 19 is provided with outside middle shell, the company-information and running parameter of monitor can be marked on nameplate 19, Inside middle shell 12, the working condition of all parts on the control installing plate 4 of master control borad 3, and by arranging light beam on the outer wall 17 showing different states, and when in use, cmos sensor 6 has higher resistance tocrocking, therefore using cmos sensor 6 Be operated under Conventional Time can stably monitor air pollution thing content, but the certainty of measurement of cmos sensor 6 is not High and easily distortion, at this point it is possible to be switched to PID sensor 5 when cmos sensor 6 has monitored fixed-contamination thing concentration enter Row high precision monitor, while calibrating to cmos sensor 6, is switched to cmos sensor 6 and enters again after acquisition Monitoring Data Row steady operation, such logic is arranged can either ensure that monitoring accuracy keeps higher accuracy, again can be to greatest extent The service life of protection PID sensor 5, additionally, humidity can also be solved when working using cmos sensor 6 to PID sensor 5 Impact, strengthen monitor accuracy.

Light signal collection mechanism is provided with installing plate 4, information output and the master control borad 3 of light signal collection mechanism are electrically connected Connect, light signal collection mechanism includes being arranged at the optocoupler and connected photoelectric signal transformation circuit 10 of the lower section of baffle plate 8, baffle plate 8 lower ends are provided with the block 22 of spaced first block 21 and second, and the first block 21 and the second block 22 are by baffle plate 8 Movement forms the unlatching gear of optocoupler and closes gear, and the output end of photoelectric signal transformation circuit 10 is electrically connected with master control borad 3, when The Monitoring Data that cmos sensor 6 is obtained shows when containing stable pollutant in air that master control borad 3 to servomotor 7 sends Signal, servomotor starts, and is moved baffle plate 8 to the direction away from PID sensor information gathering end by transmission mechanism, waits to keep off When the second baffle 22 of the lower end of plate 8 blocks optocoupler, optocoupler passes through photoelectric signal transformation circuit 10 to the sending signal of master control borad 3, The control servomotor 7 of master control borad 3 shuts down, and now, baffle plate 8 is not blocked outside the signal acquisition terminal of PID sensor 5, and PID is passed Sensor 5 proceeds by the work of air monitering, meanwhile, the Monitoring Data of PID sensor can carry out school to cmos sensor 6 It is accurate；After PID sensor 5 is obtained stablizes accurate Monitoring Data, the work for stopping PID sensor 5 is needed, while using CMOS Sensor 6 is operated, and now, master control borad 3 sends to servomotor 7 and instructs, and servomotor 7 is inverted and by baffle plate 8 to close The direction movement at the information gathering end of PID sensor 5, when the first block 21 of the lower end of baffle plate 8 blocks optocoupler, optocoupler passes through light Electric signal conversion circuit 10 to the sending signal of master control borad 3, the control servomotor 7 of master control borad 3 shut down, and now, baffle plate 8 will The information gathering end of PID sensor 5 is blocked, and PID sensor 5 quits work, and the filter membrane at its information gathering end can be protected, from And the service life of PID sensor is effectively extended, high precision monitor can be realized to VOC content in air, in whole information In acquisition system running, persistently carrying out for VOC monitorings is ensure that, and can realize detecting accurate to greatest extent Degree, while service life is longer, it is that prolonged continuous monitoring also provides technical support.

After information acquisition system finishes the collection of air VOC monitoring informations, need to be delivered to director server, monitor Message transfer system is provided with, message transfer system includes SIM mounting seat 16, network interface and WIFI module, and SIM is installed SIM is installed in seat 16, it can carry out data communication between operating personnel, and network interface carries out network connection, monitor Monitoring information is sent into director server by network, the installation of WIFI module can remove network connection from, by WIFI moulds The wireless connection of block avoids the mobile phone of the restriction of netting twine connection, director server or operating personnel and can be monitored information Reception, the setting of the monitor multiple communication modes, it is to avoid the limitation of network connection is adapted to flexibly setting for monitor Put, monitor can be arranged on any position in monitored area.

The cost and volume of the monitor significantly reduces, more existing air pollutants monitoring device, and its cost is only 1/10th, it is even lower, in arrangement, can be hung directly from street lamp, electric pole, can be with existing environmental monitoring sites Form favorable complementary；The monitor can be arranged in a large number in the monitored area of restriction, to certain enterprise in atmospheric environment, certain Region, certain period etc. are used as analysis object, such as chemical industrial park, by the mutual confirmation of temperature, humidity and VOC Monitoring Datas Accurate Analysis are realized with supplementing；The gridding layout of big quantity can expand monitoring surface, improve the real-time of monitoring, send out in time Existing dangerous information, hazards are eliminated in bud；VOC sensing networks can according to demand be monitored the increase of instrument, The area coverage of extension whole network, and can be communicated with central station director server, it is not necessary to the setting operation of complexity is carried out, Each monitor can dynamically increase test event, for example, increase VOC monitoring substance classes, with very strong dilatancy；PID The alternately testing method of sensor and metal oxide sensor determines the real-time of test, and acquisition time realizes that second level is rung Answer, and acquisition time can arbitrarily set, the data of collection enter in real time database, and can real-time query；The VOC sensing networks prison Survey instrument and adopt low power dissipation design, compatible civil power, solar powered both of which, and with battery as stand-by power supply, instrument list Solely the long period is maintained using solar powered, adaptability is good, be adapted to various regions, particular without the field that civil power is covered Region.

Claims

1. a kind of VOC sensing networks monitor, the monitor includes housing and installation with air admission hole (1) and venthole (2) Master control borad (3) in housing and the installing plate (4) with information acquisition system, information acquisition system is electrically connected with master control borad (3) Connect, power-supply system and message transfer system be additionally provided with housing, it is characterised in that：Described information acquisition system includes fixing Sensor group on installing plate (4), sensor group includes temperature sensor, humidity sensor, PID sensor (5) and CMOS Sensor (6), installing plate (4) is provided with air-through holes (20), air admission hole (1), air-through holes and inner walls between (20) and venthole (2) forms air and flows through the air communication channel of sensor group, it is additionally provided with positioner in the housing.

2. a kind of VOC sensing networks monitor according to claim 1, it is characterised in that：Set on described installing plate (4) It is equipped with for by PID sensor (5), in work and the switching mechanism of holding state switching, switching mechanism to include being fixed on installing plate (4) servomotor (7), transmission mechanism and baffle plate (8) on, baffle plate (8) is made by the traction of servomotor (7) and transmission mechanism Reciprocating device is formed used in PID sensor (5) information gathering end outside, servomotor (7) is electrically connected with master control borad (3).

3. a kind of VOC sensing networks monitor according to claim 2, it is characterised in that：Set on described installing plate (4) Light signal collection mechanism is equipped with, the information output of light signal collection mechanism is electrically connected with master control borad (3), light signal collection mechanism Including the optocoupler being arranged at below baffle plate (8) and connected photoelectric signal transformation circuit (10), baffle plate (8) lower end is provided with Spaced first block (21) and the second block (22), the first block (21) and the second block (22) are by baffle plate (8) Movement forms the unlatching gear of optocoupler and closes gear, and photoelectric signal transformation circuit (10) output end is electrically connected with master control borad (3).

4. a kind of VOC sensing networks monitor according to claim 1, it is characterised in that：Described housing is included by upper Fasten the top shell (11) with venthole (2), middle shell (12) and the drain pan with air admission hole (1) being integrated successively under (13), master control borad (3) and installing plate (4) are respectively positioned on middle shell (12) inside.

5. a kind of VOC sensing networks monitor according to claim 1, it is characterised in that：Described air admission hole (1) is to set The air-inlet grille in housing bottom is put, air-inlet grille inner side is provided with stainless (steel) wire.

6. a kind of VOC sensing networks monitor according to claim 1, it is characterised in that：Described power-supply system includes Civil power mechanism, solar-electricity source mechanism, battery supply mechanism and electric power management circuit, civil power mechanism is to be arranged on housing exterior walls Attaching plug, solar-electricity source mechanism includes being arranged at solar panel on housing exterior walls, and battery supply mechanism is lithium The power output end of battery or super capacitor, civil power mechanism and solar-electricity source mechanism is defeated with the electric power of battery supply mechanism Enter end to be connected, the power output end of civil power mechanism, solar-electricity source mechanism and battery supply mechanism is by electric power management circuit It is connected with the power input end of all power units.

7. a kind of VOC sensing networks monitor according to claim 6, it is characterised in that：Described attaching plug includes Three core aviation plugs (14) and six core aviation plugs (15).

8. a kind of VOC sensing networks monitor according to claim 1, it is characterised in that：Described message transfer system Including SIM mounting seat (16), network interface and WIFI module.

9. a kind of VOC sensing networks monitor according to claim 1, it is characterised in that：Described positioner is GPS Module.