CN1598591A - Multi-targent air monitoring and sampling remote radio monitoring system - Google Patents
Multi-targent air monitoring and sampling remote radio monitoring system Download PDFInfo
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- CN1598591A CN1598591A CN 200410040277 CN200410040277A CN1598591A CN 1598591 A CN1598591 A CN 1598591A CN 200410040277 CN200410040277 CN 200410040277 CN 200410040277 A CN200410040277 A CN 200410040277A CN 1598591 A CN1598591 A CN 1598591A
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Abstract
The invention relates to a high altitude atmosphere monitoring and collecting system, it is composed of a detecting host computer and several objective machines, forms a multiposition incorporated solid environment element detecting and collecting flat roof, it can detects and sample several objects in short time, then gives the current atmosphere quality statistic characteristics through analyzing and dealing the data and samples, the high altitude objective machines are loaded by balloon, and raising the balloon artificially according to the needs. The system can analyze, compute, store, display analyzing results. And the whole system is simple, cheap, flexible, convenient, the objective machine and its assistant equipments are light, reliable. And the speed of detecting and collecting is high, the reliability is high, saving a lot of labor and material.
Description
Technical field
The present invention relates to a kind of atmospheric surveillance and collection (or sampling) system, relate in particular to a kind of system that can be at one time the atmosphere of each impact point in this zone, certain zone (as being monitoring center with big and medium-sized cities) be carried out long-distance wireless monitoring and sampling.
Technical background
At present, the monitoring of surface air and collection are normally carried out respectively, and generally can only carry out separately single target, and will measure repeatedly, get its mean value; If a plurality of targets are carried out atmospheric surveillance and collection, can only carry out respectively successively, instrument will be moved and reinstall to impact point of every conversion, time-consuming bothersome, makes its result who records correlativity in time very little.Because meteorological condition is changeable, harmful poisonous gas purging and spread condition complexity so the result who obtains thus has much one-sidedness, can not reflect the atmospheric condition that this is regional in real time truly.And the monitoring of upper atmosphere and collection expend more huge, adopt general aviation aircraft usually or put to rise balloon-sonde and carry out, nor can realize simultaneously a plurality of impact points monitorings and the purpose of gathering.
Summary of the invention
The objective of the invention is to overcome the monitoring of above-mentioned upper atmosphere and gather deficiency of the prior art, and developed a kind of multiple goal atmospheric surveillance and sampling long distance wireless TT﹠C system.
The main task and the technical requirement of this system are:
1. measure the distance of impact point (handset), be prepare (at least 16 of handsets, the operating distance between main frame and handset can be carried out voice communication greater than 2 kilometers, can carry out data communication again) of communicating by letter between main frame and handset;
2. atmospheric parameters such as the atmospheric pressure of impact point (handset) atmosphere, environment temperature, wind speed, wind direction are measured in real time;
3. the data back measurement and control center main frame that impact point is measured;
4. finish collection to the impact point atmospheric samples.
Multiple goal atmospheric surveillance involved in the present invention and sampling long distance wireless TT﹠C system comprise a measurement and control host computer and a plurality of observing and controlling handset, adopt half-duplex operation between measurement and control host computer and a plurality of observing and controlling handset.Wherein, measurement and control host computer comprises: computing machine (1), single-chip microcomputer (2), command generating device (3), order number device (4), modulating apparatus (5), sender unit (6), receiving unit comprise signal receiving device (6), signal demodulating equipment (7), signal interpretation device (8), data processing equipment (9), single-chip microcomputer (2), computing machine (1).Single-chip microcomputer and PC and antenna etc. are emission and the common sparing that receives.The concrete structure block diagram of measurement and control center's host computer system as shown in Figure 3.Among Fig. 3, being the transmitting instructions part above the dotted line, is the command reception part below the dotted line.The emission of instruction and the reception of signal are combined.Antenna is for sending out/receive common antenna.Total system co-ordination under the control of PC.
Each observing and controlling handset comprises sensor groups (10), atmospheric sampling device (11), single-chip microcomputer (12), instruction decoding device (13), signal demodulating equipment (14), signal receiving device/sender unit (15), modulating apparatus (16), signal coding equipment (17), signal processing apparatus (18), multi-channel switching device (19), sensor groups (10), multi-channel switching device (19), signal processing apparatus (18), signal coding equipment (17), modulating apparatus (16), sender unit (15) links to each other successively and constitutes the signal emission part of observing and controlling handset, signal receiving device (15), signal demodulating equipment (14), instruction decoding device (13), single-chip microcomputer (12), atmospheric sampling device (11) links to each other successively and constitutes observing and controlling handset signal receive section.
The atmospheric sampling device comprises umbilical cable (20), air collecting pipe (21), solenoid valve (22), hand valve (23), vacuum gas production bottle (24), umbilical cable (20) links to each other with solenoid valve (22), and air collecting pipe (21), solenoid valve (22), hand valve (23), vacuum gas production bottle (24) link to each other successively.
The high-altitude target point (handset) of this TT﹠C system is carried by hydrogen balloon, manually puts as required to rise balloon and carry out the high-altitude and layout.Whole TT﹠C system is simple, inexpensive, use is flexible, easy to operate, and handset and auxiliary equipment are light and handy, reliable.
The monitoring of upper atmosphere involved in the present invention and acquisition system can be carried out continuous monitoring and collection by the atmosphere to a plurality of impact points in certain zone, and energy analysis, calculating, storage, display analysis result.Monitoring and picking rate are fast, and the reliability height has been saved lot of manpower and material resources.This system is made up of the monitoring and the sampling apparatus (handset) of measurement and control center's (main frame) and a plurality of impact points; form the three-dimensional atmospheric environmental parameters monitoring and the sampling platform of many integration; can finish monitoring and sampling operation in the short period of time to a plurality of impact points; can monitor in real time and sample the atmospheric environmental parameters in certain zone (as being monitoring center with big and medium-sized cities); by analyzing and processing to gained data and air sample; provide the statistical property of current atmosphere quality that should the zone; for carrying out of expanding economy and environmental protection activity provides reliable; the foundation of science, thus the blindness of efforts at environmental protection reduced.This is to guaranteeing the reasonable utilization of limited resources, reduces environmental protection simultaneously and expends and be significant.
Description of drawings:
Atmospheric surveillance of Fig. 1 multiple goal and sampling long distance wireless TT﹠C system model.
Fig. 2 computer measurement and control operation interface.
Fig. 3 measurement and control host computer system forms theory diagram
Fig. 4 observing and controlling handset system forms theory diagram
The shape assumption diagram of Fig. 5 gas producing device
Embodiment
Below in conjunction with accompanying drawing multiple goal atmospheric surveillance involved in the present invention and sampling long distance wireless TT﹠C system are further described
1) system forms and functional description
Native system is made up of measurement and control host computer and some remote object handsets.The remote object handset can be according to the needs of atmosphere environment supervision, and ground in the measurement and control host computer effective radius or high-altitude are carried out target and layouted.Layout and adopt the mode of letting wired balloon fly away to finish in the high-altitude." multiple goal atmospheric surveillance and sampling long distance wireless TT﹠C system " model as shown in Figure 1.
The layout type of system is: with somewhere (as University Of Chongqing) is measurement and control center, 1 to 8 work song machine is evenly arranged on the ground circumference apart from the 1Km of measurement and control center, remaining 9 to 16 work song machine, carry by wired balloon, be evenly arranged on the high-altitude circumference apart from the 2Km of measurement and control center, constitute the long-range multiple goal atmosphere environment supervision and the acquisition system of a solid.Certainly, also can layout flexibly according to actual needs.
The communication work mode of system is: half-duplex mode.In real work, because the transmission quantity of information is little, adopt half-duplex mode, do not receive when promptly launching, do not launch during reception.
The signal modulation system of this system is: mode of frequency regulation.On the signal modulation system, adopt mode of frequency regulation, to improve the antijamming capability of system.
The signal encoding mode of system is: dtmf code.On the signal encoding mode and since system to transmit data and command word less, can adopt dtmf code, dtmf code is realized simple than pcm encoder, the reliability height.Destination address coding: in 16 kinds of double audio codings, choose decimal number word code (as 0～9) and carry out 2 bit address coding, the destination address code identification of similar telephone number.The steering order coding: 6 kinds of particular code in remaining non-decimal digital code (as A, B, C etc.) are carried out 3 codings, just can realize multiple order number.
The selection of system carrier frequency: for fear of the interference between the target handset, the transmission frequency of main frame and the transmitter frequency of handset draw back certain frequency interval.Main frame adopts 90MHz, and handset adopts 120MHz.Therefore, the receive frequency of each handset is tuned at 90MHz, can not receive the 120MHz signal of handset, has avoided the interference of the receipts/signalling between the target handset.
The working routine of system is: (1) System self-test and target range finding: main frame is self check at first, sends address code to 1 work song machine then, after 1 work song machine is received the address code of oneself, triggers this handset and enters the observing and controlling state, and begin the measurement to atmospheric environmental parameters.Simultaneously, beam back answer signal to measurement and control host computer.Main frame is received the answer signal of this handset, measures the distance of this handset, and creates the observing and controlling archives of this handset.So, according to 1～16 number order each target handset is filed.(2) reading of antithetical phrase machine data: the data that main frame reads each handset realize by send the data read instruction to each handset.The data read instruction word is made of the address pointer of this handset address code and handset data storage.The transmission data read is instructed to have and is sent and specially invite the transmission dual mode according to the order of sequence.Generally speaking, sequential read is fetched data, and under special circumstances, in the time of need in time knowing the data of certain handset, can read by break sequence, and to specially invite the mode of reading, sends data read instruction, the data of this handset of reading back to this handset.(3) control that the handset atmosphere is gathered: main frame is realized by send the acquisition controlling instruction to each handset the control of each handset gas production bottle.The acquisition controlling instruction word is made of this handset address code and handset steering order coding.Sending acquisition instructions also has and sends and specially invite the transmission dual mode according to the order of sequence.
For easy to use, whole system operation is by the PC control of measurement and control host computer, the Systems Operator needn't understand the many complicated technology problems of native system, only needs the special-purpose TT﹠C software by the operation native system, just can generate " VB operation window " on the PC display is automatic.The operator realizes man-machine conversation by this operation window, to the system implementation operations." VB operation window " friendly interface, easy to operate, its main interface as shown in Figure 2.
In Fig. 2, the graphic button of button area is a reboot button.By this button, system restart is also finished self check, occurs this control interface at last.The destination address menu bar, typing destination address (as son 01～son 16).System gives tacit consent to initial destination address and is " son 01 " when " order observing and controlling mode of operation ", by the observing and controlling (cycle index can be provided with arbitrarily and revise) that circulates of the order of " son 01 "～" son 16 ".The background color blackening of handset address, the expression system has chosen this handset, and prepare this handset is implemented observing and controlling, at this moment " open " by start button, then measurement and control host computer begins this handset is sent the observing and controlling instruction and implements observing and controlling, simultaneously, the character deepening of destination address menu bar represents that system has at this moment shielded the every operation to the destination address menu bar; And " send " character blinking of destination address menu bar bottom, the expression system sends the observing and controlling instruction to the current goal handset.After the instruction transmission finished, " send " character stopped flicker, and system enters data receiving state, and " receive " character begins flicker simultaneously, and the expression system is receiving the data of current goal.After Data Receiving finished, the flicker of " receive " character stopped, and simultaneously, the destination address menu bar returns to operable state.Like this, system finishes the observing and controlling of this handset, is about to enter the observing and controlling of next target handset.If desired certain target handset is carried out preferential observing and controlling, at first need " to stop " by stop button, interrupt current observing and controlling process, system just can enter " specially inviting mode of operation " automatically, in the destination address menu bar, choose the destination address of being specially invited then, press start key again and get final product.
For the operator of not very familiar this system, can click " working specification " button, can eject the help information of this system, the user can reach the purpose of association's operation by the study help file.
Bottom at the interface also has " SYSTEM SUMMARY " window, and the relevant situation of roll display system is so that allow the user well understand this system.
When not preparing to proceed the observing and controlling operation, " stop " by stop button, system quits work, and keeps current data.If prepare to exit this operation interface, get final product by " withdrawing from " button.
Ready when system, can enter this observing and controlling operation interface at the icon that desktop is double-clicked this executable file.The PC of measurement and control host computer has distributed data storage cell for each target handset, and the data of survey time can be stored in corresponding position automatically, can call at any time and carry out statistical study.Call and move " multiple objective programming " routine analyzer, the multiple goal parameter of survey time is analyzed, just can draw the statistical property in bad border of atmosphere under this parameter state.Thereby realize that native system requires the purpose that reaches.
2) the measurement and control host computer system forms
Measurement and control center's main frame main mountain radiating portion and receiving unit are formed.Radiating portion comprises: computing machine (1), single-chip microcomputer (2), command generating device (3), order number device (4), modulating apparatus (5), sender unit/signal receiving device (6), signal demodulating equipment (7), signal interpretation device (8), data processing equipment (9).Receiving unit comprises: signal receiving device (6), signal demodulating equipment (7), signal interpretation device (8), data processing equipment (9).The concrete structure block diagram of measurement and control host computer system as shown in Figure 3.Among Fig. 3, being the transmitting instructions part above the dotted line, is the command reception part below the dotted line.The emission of instruction and the reception of signal are combined.Antenna is for sending out/receive common antenna.Total system co-ordination under the control of PC.
Measurement and control center's host computer system is mainly carried out multiple goal identification, monitoring and management to each handset, reads the atmospheric environmental parameters that each handset measures, and each handset of remote control is finished the collection to the impact point atmospheric samples.
Computing machine (PC) manages total system by single-chip microcomputer, and single-chip microcomputer is directly to the intelligent control of system implementation.Instruction generates and address generator, is mainly used in to generate each destination address and various observing and controlling instruction.Command encoder is realized the dtmf code to each destination address and various observing and controlling instruction.Signal modulator adopts mode of frequency regulation, and dtmf signal is modulated.Send out/receiver employing semiduplex mode, during the emission duty, be used for the modulated frequency signal of main frame is launched; When receiving duty, be used to receive the signal that selected target handset is beamed back.Demodulator of PM signal PM, to send out/high-frequency signal that receiver receives carries out demodulation, obtains dtmf signal.Signal decoder is deciphered dtmf signal, obtains digital signal.Data-carrier store is handled and sent to data processor to the data that obtain.Single-chip microcomputer is from the data-carrier store reading of data and send into PC and show and store, and calls in order to analyzing.Thereby main frame is finished once the observing and controlling to certain target handset.
3) target handset system forms
Target handset system mainly is made up of receiving unit and radiating portion.Receiving unit comprises: signal receiving device (15), signal demodulating equipment (14), instruction decoding device (13), single-chip microcomputer (12), atmospheric sampling device (11).Radiating portion comprises: sensor groups (10), multi-channel switching device (19), signal processing apparatus (18), single-chip microcomputer (12), signal coding equipment (17), modulating apparatus (16), sender unit (15).Single-chip microcomputer and antenna etc. are emission and the common sparing that receives.The concrete structure block diagram of target handset system as shown in Figure 4.In Fig. 4, above the dotted line command reception part, be the measurement data radiating portion below the dotted line.The reception of instruction and the emission of signal are combined.Antenna is for receiving/send out common antenna.Total system co-ordination under the control of single-chip microcomputer.
The co-ordination under the unified control of measurement and control center's host computer system of each handset system is mainly finished atmospheric surveillance and collection to multiple target point, and the parameter that measures is sent to measurement and control center's main frame.
Receipts/sender adopts semiduplex mode, when receiving duty, is used to receive the control signal that measurement and control host computer is sent; During the emission duty, be used for modulated frequency signal to measurement and control host computer emission handset.Demodulator of PM signal PM, the high-frequency signal that receipts/sender is received carries out demodulation, obtains dtmf signal.Command decoder is deciphered dtmf signal, obtains digital command and send single-chip microcomputer, and the mountain single-chip microcomputer sends the instruction of atmosphere acquisition controlling and the atmospheric parameter that records is issued measurement and control host computer to each topworks again.Sensor groups, the atmospheric environmental parameters that needs are measured is transformed into electric signal, multi-way switch records the signal timesharing with each sensor and sends into signal processor under the programming Control of single-chip microcomputer, and signal processor carries out digitized processing with signal and deposits the address location of single-chip microcomputer appointment in.Single-chip microcomputer is sent data into signal coder after accepting the read instruction of main frame.Signal coder carries out dtmf code to digital signal, and signal modulator carries out frequency modulation to dtmf signal, beams back data by signal transmitter to main frame.Thereby the target handset is finished once atmospheric surveillance and collecting work to this impact point.
Claims (3)
1, a kind of multiple goal atmospheric surveillance and sampling long distance wireless TT﹠C system comprise a measurement and control host computer and a plurality of observing and controlling handset, it is characterized in that: adopt half-duplex operation between measurement and control host computer and a plurality of observing and controlling handset.
2, multiple goal atmospheric surveillance according to claim 1 and sampling long distance wireless TT﹠C system, it is characterized in that: measurement and control host computer comprises computing machine (1), single-chip microcomputer (2), command generating device (3), order number device (4), modulating apparatus (5), sender unit/signal receiving device (6), signal demodulating equipment (7), signal interpretation device (8), data processing equipment (9), computing machine (1) links to each other with single-chip microcomputer (2), instruction dirt apparatus for converting (3), order number device (4), modulating apparatus (5), sender unit (6) links to each other successively and constitutes measurement and control host computer signal emission part, signal receiving device (6), signal demodulating equipment (7), signal interpretation device (8), data processing equipment (9) links to each other successively and constitutes the measurement and control host computer receiving unit; Each observing and controlling handset comprises sensor groups (10), atmospheric sampling device (11), single-chip microcomputer (12), instruction decoding device (13), signal demodulating equipment (14), signal receiving device/sender unit (15), modulating apparatus (16), signal coding equipment (17), signal processing apparatus (18), multi-channel switching device (19), sensor groups (10), multi-channel switching device (19), signal processing apparatus (18), signal coding equipment (17), modulating apparatus (16), sender unit (15) links to each other successively and constitutes the signal emission part of observing and controlling handset, signal receiving device (15), signal demodulating equipment (14), instruction decoding device (13), single-chip microcomputer (12), atmospheric sampling device (11) links to each other successively and constitutes observing and controlling handset signal receive section.
3, multiple goal atmospheric surveillance as claimed in claim 2 and sampling long distance wireless TT﹠C system, it is characterized in that: the atmospheric sampling device comprises umbilical cable (20), air collecting pipe (21), solenoid valve (22), hand valve (23), vacuum gas production bottle (24), umbilical cable (20) links to each other with solenoid valve (22), and air collecting pipe (21), solenoid valve (22), hand valve (23), vacuum gas production bottle (24) link to each other successively.
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| CN101101300B (en) * | 2007-06-07 | 2011-08-10 | 北京中立格林控制技术有限公司 | Public place air environment monitoring display system |
| CN101210931B (en) * | 2006-12-27 | 2011-12-21 | 中国科学院沈阳自动化研究所 | Bus type combustible gas thickness detection device and its control method |
| CN101286806B (en) * | 2008-06-04 | 2012-06-13 | 宇龙计算机通信科技(深圳)有限公司 | Method, system and device for monitoring multiple host by a single submachine |
| CN101335575B (en) * | 2008-08-05 | 2012-11-14 | 宇龙计算机通信科技(深圳)有限公司 | Method and system for monitoring multiple hosts by a single submachine |
| CN102066897B (en) * | 2008-02-07 | 2014-04-09 | 威尔泰克联合股份有限公司 | System and method for air sampling in controlled environments |
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| CN105424417A (en) * | 2015-12-11 | 2016-03-23 | 华测检测认证集团股份有限公司 | Intelligent atmosphere sampling system |
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| US11971396B2 (en) | 2014-08-28 | 2024-04-30 | Veltek Associates, Inc. | Programmable logic controller-based system and user interface for air sampling controlled environments |
| CN105424417A (en) * | 2015-12-11 | 2016-03-23 | 华测检测认证集团股份有限公司 | Intelligent atmosphere sampling system |
| CN105424425A (en) * | 2015-12-11 | 2016-03-23 | 华测检测认证集团股份有限公司 | Intelligent atmospheric sampling system with positioning function |
| CN105424424A (en) * | 2015-12-11 | 2016-03-23 | 宁波市华测检测技术有限公司 | Intelligent environment detection instrument with positioning function |
| CN105571908A (en) * | 2016-02-19 | 2016-05-11 | 南京参创仪器科技有限公司 | Full-automatic gas sampling device and sampling method |
| CN106645327A (en) * | 2017-03-08 | 2017-05-10 | 安徽理工大学 | Balloon-borne vertical detection system for atmospheric boundary layer NO2 |
| CN106919159A (en) * | 2017-04-14 | 2017-07-04 | 深圳市瑞荣创电子科技有限公司 | Multiple spot is distributed air monitor control system |
| CN108007728A (en) * | 2017-11-29 | 2018-05-08 | 朱新福 | Rainwater-sampling device |
| CN111027778A (en) * | 2019-12-18 | 2020-04-17 | 南京大学 | Regional atmospheric environment risk monitoring point distribution optimization method based on multi-objective planning |
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