CN1909655A - Environment monitoring apparatus and system - Google Patents
Environment monitoring apparatus and system Download PDFInfo
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- CN1909655A CN1909655A CN 200510089154 CN200510089154A CN1909655A CN 1909655 A CN1909655 A CN 1909655A CN 200510089154 CN200510089154 CN 200510089154 CN 200510089154 A CN200510089154 A CN 200510089154A CN 1909655 A CN1909655 A CN 1909655A
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Abstract
The invention relates to an environment detector, which comprises; an imaging unit, an image recognizer, a detector, a sender, and a memory unit, wherein the imaging unit is used to generate the image information of detected environment; the image recognizer is used to compare the image information of imaging unit and the former image information stored in memory unit, to calculate out the image damage value to be transmitted to the detector; the detector, based on the detecting reference of image damage value, calculates out the alarm level, when meeting the report condition, to use sender to send alarm message to the manager; the sender is used to transmit information to the manager; the memory unit is used to store data, while said data contains former image information and sets report condition. The invention also discloses a relative environment detecting system. The invention can realize the non-manned detection and real-time detection, while the alarm level is set by the objective real-time data, to support accurate warning.
Description
Technical field
The present invention relates to environmental monitoring and disaster alarm field, relate in particular to a kind of environmental monitoring installation and system.
Background technology
In traffic and transportation system, highway and railway all need to pass many zones with a varied topography, and the some of them area may become high-risk highway section under certain condition.For example, have the highway section that mountain stone falls, the roadbed that subsides etc.Simultaneously, under certain weather conditions, need to pay close attention to the environmental change in some highway sections, have near for example landslide or mud-rock flow the highway section, the highway section of flood etc. may take place.
In the present technology, the conventional way that solves high-risk highway section circuitry obstacle is to utilize manual patrol, and lays protection network in some highway sections.Manual patrol can't be accomplished the real-time monitoring to high-risk highway section, and the differentiation of degree of danger can only not had objectivity according to patrolman's personal experience and judgement; And protection network technical costs height, the difficulty of deploying troops on garrison duty especially in the mountain area, needs large tracts of land to cover dangerous massif, and difficulty of construction is huge, and the disaster that can't avoid landslide, falling rocks to cause, and falling of protection network also can influence traffic safety simultaneously.
Summary of the invention
What the present invention will solve is the problem that environmental monitoring depends on artificial subjective judgement and the too high weak effect of laying protection network cost in the prior art.
Environmental monitoring installation of the present invention comprises image-generating unit, image identification unit, monitoring unit, transmitting element and memory cell, wherein:
The image-generating unit image information that generates monitored environment;
Image identification unit is used for the image information in the past of the image information of image-generating unit and memory cell preservation is compared, and calculates image harm value and transfers to monitoring unit;
Monitoring unit calculates the alarm grade according to the monitoring parameter that comprises image harm value, sends a warning message to management station by transmitting element when satisfying the setting report condition;
Transmitting element is used for to management station's transmission information;
Memory cell is used for carrying out storage, and described data comprise image information and setting report condition in the past.
Preferably, also comprise data acquisition unit and sensing unit, wherein:
Sensing unit is used at least one environmental parameter measured;
Data acquisition unit is used for gathering the measurement result of sensing unit, and transfers to monitoring unit;
The monitoring parameter that described monitoring unit calculates the alarm grade also comprises the environmental parameter measurement result that data acquisition unit is gathered.
Preferably, the data of storing in the described memory cell also comprise the weights of image harm value and the weights of environmental parameter measurement result;
Described monitoring unit calculates the alarm grade according to monitoring parameter and is specially: with the weights weighted average of every environmental parameter measurement result according to correspondence, again with image harm value weighted average.
Preferably, also comprise the image encoding unit, transfer to monitoring unit after being used for the image information of image-generating unit being encoded according to the instruction of monitoring unit;
Described monitoring unit comprises the monitoring unit view data that instruction figure generates as coding unit when satisfying the setting report condition in the warning information that management station sends.
Preferably, also comprise receiving element, be used for the instruction at receiving management station, comprise that data report instruction and parameter change to instruct;
Monitoring unit reports to management station according to view data, the image harm value of image identification unit generation and the environmental parameter measurement result of data acquisition unit collection that data report instruction that the image encoding unit is generated by transmitting element;
Monitoring unit is according to the described weights of storing in the parameter change instruction modification memory cell and set report condition.
Preferably, also comprise the alarm signal unit, issue alarm signal in described environmental monitoring installation location according to the control signal of monitoring unit;
Monitoring unit starts the alarm of alarm signal unit when the alarm grade surpasses the setting alarm threshold.
Preferably, described environmental parameter comprises temperature, humidity, wind-force, wind direction, rainfall, snowfall or earthquake.
The present invention also provides a kind of environmental monitoring system, comprises management station and at least one environment monitoring device, wherein:
Environment monitoring device comprises image-generating unit, image identification unit, monitoring unit, transmitting element and memory cell, and image-generating unit generates the image information of monitored environment; Image identification unit is according to the image information of image-generating unit and the computed image of the image information in the past harm value of storage; Transmitting element is used for sending information to management station; Memory cell is used for comprising image information and the storage of setting report condition in the past; Monitoring unit calculates the alarm grade according to the monitoring parameter that comprises image harm value, sends a warning message to management station by transmitting element when satisfying the setting report condition;
Management station comprises background processing unit, backstage receiving element, background storage and backstage Alarm Unit, and the backstage receiving element is used for the information that the reception environment monitoring device sends; Background storage is used for comprising that environment monitoring device sends the storage of information; The backstage Alarm Unit is used in management station's issue alarm signal; The information stores that background processing unit receives the backstage receiving element in background storage, instruction backstage Alarm Unit issue alarm signal during management station alarm conditions that the information conforms of determining to receive is set.
Preferably, environment monitoring device also comprises the image encoding unit, transfers to monitoring unit after being used for according to the instruction of monitoring unit the image information of image-generating unit being encoded; Described monitoring unit comprises the monitoring unit view data that instruction figure generates as coding unit when satisfying the setting report condition in the warning information that management station sends;
Management station also comprises backstage graphics processing unit and backstage display unit, and the backstage graphics processing unit is used for the view data that receives from environment monitoring device is carried out enhancement process; The backstage display unit is used for carrying out the image after the enhancement process and the demonstration of the information of reception.
Preferably, environment monitoring device also comprises data acquisition unit and sensing unit, and sensing unit is used at least one environmental parameter measured; Data acquisition unit is used for gathering the measurement result of sensing unit, and transfers to monitoring unit; The monitoring parameter that described monitoring unit calculates the alarm grade also comprises the environmental parameter measurement result that data acquisition unit is gathered;
Also comprise the environmental parameter measurement result in the information of described management station reception environment monitoring device.
Preferably, the data of storing in the described environment monitoring device memory cell also comprise the weights of image harm value and the weights of environmental parameter measurement result; Described monitoring unit calculates the alarm grade according to monitoring parameter and is specially: with the weights weighted average of every environmental parameter measurement result according to correspondence, again with image harm value weighted average;
Described management station determines that the alarm conditions that the information conforms of reception is set are specially: judge the management station's alarm conditions that meet setting according to the image after the enhancement process and every environmental parameter measurement result.
Preferably, environment monitoring device also comprises receiving element, is used for the instruction that the receiving management station sends;
The instruction of management station comprises that data report instruction, state to report instruction and parameter change instruction, the monitoring unit of environment monitoring device reports instruction that the view data of image encoding unit generation and the environmental parameter measurement result of data acquisition unit collection are reported to management station by transmitting element according to data, according to described weights of storing in the parameter change instruction modification memory cell and setting report condition, report instruction that the running status of environment monitoring device is reported to management station according to state;
Management station also comprises interface unit and backstage transmitting element, and interface unit is used for receiving query requests or parameter change setting, and transmits it to background processing unit; The backstage transmitting element is used for sending background processing unit is provided with generation according to query requests or parameter change instruction to environment monitoring device.
Preferably, environment monitoring device also comprises the alarm signal unit, when the alarm grade surpasses the setting alarm threshold, issues alarm signal in described environmental monitoring installation location according to the control signal of monitoring unit.
Preferably, the information transmission mode between environment monitoring device and the management station comprises that code division multiple access inserts CDMA, general packet radio service gprs, global system for mobile communications GSM, microwave or the Internet.
The present invention places environment monitoring device by the place of monitoring at needs, automatically determine alarm grade and automatic report and alarm information according to the image information of monitored environment, the unattended operation and the monitoring in real time in monitoring place have been realized, the alarm grade is according to objectively real time data is definite, no longer rely on artificial subjective judgement, also no longer need to lay protection network;
Simultaneously, environment monitoring device can be gathered in real time to every environmental parameter, makes the definite of alarm grade can comprehensive multiple factor be carried out, and provides better condition for accurately carrying out early warning.
Description of drawings
Fig. 1 is the structure chart of environmental monitoring system of the present invention;
Fig. 2 is the structure chart of environment monitoring device of the present invention;
Fig. 3 is the structure chart of management station of the present invention;
Fig. 4 is the hardware configuration schematic diagram of management station of the present invention.
Embodiment
Thinking of the present invention is to place and can monitor environment automatically in the place with hazardous environment, and the environment monitoring device that can report to the police automatically when reaching certain degree of danger, replaces manual patrol, guarantees the safety of transportation route.
Figure 1 shows that the structure chart of environmental monitoring system among the present invention.Environment monitoring device 100 is installed in the scene that needs carry out environmental monitoring by the user according to geographical features and actual demand, site environment is monitored in real time, management station 200 communicates with each environment monitoring device 100 by Internet (the Internet), field condition according to each environmental detection set 100 places is provided with different running parameters for it, can also obtain the real-time parameter of site environment to each environmental detection set 100.
Among the present invention to the information transmission mode between management station 200 and the environment monitoring device 100 without limits, can select wire transmission mode such as Internet according to actual conditions, E1, Ethernet, ADSL (Asymmetric Digital Subscriber Line, Asymmetric Digital Subscriber Line) etc., also can select wireless transmission method CDMA (Code Division Multiple Access, code division multiple access inserts), GPRS (General Packet Radio Service, GPRS), GSM (Global System forMobile communications, global system for mobile communications), microwave etc.
Figure 2 shows that the cut-away view of environment monitoring device 100 among the present invention.Monitoring unit 103 is core cells of environment monitoring device 100, is connected with alarm signal unit 101, memory cell 102, image identification unit 104, image encoding unit 105, data acquisition unit 109, transmitting element 107 and receiving element 108 respectively.Image-generating unit 106 is connected with image encoding unit 105 with image identification unit 104 respectively, and sensing unit 110 is connected to data acquisition unit 109.
The monitoring of 100 pairs of environment of environment monitoring device is mainly undertaken by the monitoring to ambient image.Image-generating unit 106 usefulness generate the video image of monitored environment, and image-generating unit 106 preferred cameras are realized.
If the video image that image-generating unit 106 generates is not a number format, image identification unit 104 is at first carried out digitized processing to this video image, is converted to digital picture; If image-generating unit 106 adopts digital equipment, then image identification unit 104 can directly obtain digital picture.Storing video image information in the past in the memory cell 102, video image information in the past can be the nearest width of cloth with nowhere to turn to alert video image, also can be to average the background video image information of handling the back gained by many frame video images before.
Image identification unit 104 is subtracted each other the image information in the past of preserving in above-mentioned digital picture and the memory cell, and difference is separated becomes target; And calculate the size of separating target, according to the position at target's center place, the extent of injury of assessment objective is called image harm value in the present invention.Image identification unit 104 is sent to monitoring unit 103 with the image harm value that calculates.Image identification unit 104 need have automatic operational capability, need not manual intervention, recommends to adopt high-speed dsp (DataSignal Processing, Digital Signal Processing) to realize among the present invention.
Judge owing in environment monitoring device 100, automatically image is carried out degree,, can in environment monitoring device 100, provide the function of uploading raw video picture in real time, image encoding unit 105 promptly to be used for realizing this function in order to prevent possible wrong report.Image encoding unit 105 is after the instruction that receives monitoring unit 103, the video image information that image-generating unit 106 generates is encoded, be converted to the form of arranging, transfer to management station 200 by transmitting element 107 by monitoring unit 103 with back-stage management station 200.Identical with image identification unit 104, when the image information that generates when imaging unit 106 was not number format, image encoding unit 105 will be converted into number format earlier.
In some comparatively stable environment, only just can determine whether that with image dangerous situation takes place.And have in the environment of sudden disaster generation at other, also need simultaneously other factors are monitored in real time, as meteorologic parameter.Can realize function by sensing unit 110 and data acquisition unit 109 among the present invention.Sensing unit 110 can comprise a plurality of transducers, for example one or more in temperature sensor, humidity sensor, wind sensor, wind transducer, rainfall transducer, snowfall transducer or the seismic sensor etc. measure at least one environmental parameter.Data acquisition unit 109 provides rational interface according to the characteristic of various transducers in the sensing unit 110, gathers the measurement result of various transducers, transfers to monitoring unit 103.
Monitoring unit 103 is according to the image harm value of image identification unit 104 outputs, calculate the alarm grade with these monitoring parameters of measurement result of data acquisition unit 109 outputs, when the alarm grade satisfies the setting report condition of storage in the memory cell 102, send a warning message to management station 200.The environmental parameter measurement result that can comprise alarm grade, data acquisition unit 109 in the warning information can also comprise the crude view data that image encoding unit 105 is exported.
Monitoring unit 103 calculates the method for alarm grade and can be set according to actual conditions by the user.The method that the present invention recommends is to set corresponding weights for every environmental parameter measurement result, and for image harm value also is provided with corresponding weights, these weights and corresponding parameters have constituted the part of alarm prediction scheme.Can also comprise the report condition of setting in the alarm prediction scheme and be used for the setting alarm threshold that on-the-spot alarm is indicated.Each environment monitoring device 100 is all preserved the alarm prediction scheme in memory cell 102, monitoring unit 103 is earlier with after environmental parameter measurement result and the corresponding weights weighted average, draw its alarm grade after according to its weights weighted average with image harm value again, the alarm grade that calculates is compared with setting report condition, setting alarm threshold, when satisfying the setting report condition, send a warning message, when satisfying the setting alarm threshold, start the on-the-spot indication of alarming to management station.Monitoring unit 103 also can only provide the alarm grade according to image harm value, as long as ignore the environmental parameter measurement result this moment, is not weighted on average and gets final product.Combining with the environmental parameter measurement result draws the alarm grade, can improve the accuracy of judgement.
Transmitting element 107 and receiving element 108 be used for realizing and management station 200 between message transmission.Environment monitoring device 100 may comprise warning information, this device state information of replying management station 200, the view data of replying management station 200 and environmental parameter measurement result information etc. to the information that management station 200 sends.Environment monitoring device 100 comprises that from the information that receiving element 108 can receive management station 200 data report instruction, state to report instruction and parameter change instruction; Data report instruction to be sent at any time by management station 200, require environment monitoring device 100 to return view data and environmental parameter measurement result to management station, monitoring unit 103 instruction figures in the environment monitoring device 100 are as coding unit 105 output image datas, the environmental parameter measurement result that 109 outputs of director data collecting unit are gathered is sent to management station with it by transmitting element 107; State reports order parameter to be sent at any time by management station 200, requires environment monitoring device 100 to return the work at present state to management station, and monitoring unit 103 is sent to management station 200 with the operating state of current environment monitoring device 100, self-detection result etc.; Change directive is sent by management station 200, and parameters such as each weights in the alarm prediction scheme, setting report condition, setting alarm threshold are changed, and monitoring unit 103 is according to the above-mentioned parameter value of storage in the parameter change instruction modification memory cell 102 that receives.
In memory cell 102, can store the default value of alarm prediction scheme,, also can rely on default alarm prediction scheme operate as normal if environment monitoring device 100 start backs do not have the parameter change instruction at back-stage management station.
Alarm signal unit 101 is used for alarming indication in the erecting bed of environment monitoring device 100, the issue alarm signal.Alarm signal unit 101 can be alarm indicator, alarm sound player etc. according to practical application, is issued by monitoring unit 103 control alarm signal unit 101 when the alarm grade surpasses the setting alarm threshold.
As seen, environment monitoring device 100 can be judged the alarm grade according to image and other environmental information automatically under unattended situation, and image and environmental parameter can be transmitted go back to management station 200, the automatic alarm in the scene of can also realizing.
Figure 3 shows that the cut-away view at back-stage management station 200 among the present invention.Management station 200 is a core with background processing unit 203, is connected with backstage Alarm Unit 201, background storage 202, backstage graphics processing unit 204, backstage display unit 205, interface unit 208, backstage transmitting element 206, backstage receiving element 207 respectively.
Because the image identification unit 104 in the environment monitoring device 100 will be carried out Real time identification to video image, thereby the high accuracy of difficult realization.In management station 200, in order to reduce possible wrong report situation, can handle in non real-time by the view data in 204 pairs of reported datas of backstage graphics processing unit or the warning information, because management station has stronger operational capability usually, can adopt image processing techniquess such as histogram equalization, filtering that video image is carried out enhancement process, reach effect more clearly.Image after the enhancement process is shown that by backstage display unit 205 backstage display unit 205 can also be used to other data such as display environment parameter measurements simultaneously.
In management station 200, the alarm grade is carried out secondary when judging, can be undertaken, also can judge by the various conditions of artificial comprehensive by the algorithm of setting according to the image information after the enhancement process and other environmental parameter measurement results of uploading.Under the situation that adopts artificial judgment, management station 200 needs Attended mode.
Backstage transmitting element 206 and backstage receiving element 207 be used for carrying out with environment monitoring device 100 between communicate by letter, send various instructions to environment monitoring device 100, from environment monitoring device 100 receiving alarm information, state reporting information, data reporting information etc.
Management station 200 can adopt following these concrete hardware to realize: high-performance server, database, DVR (digital hard disc video recorder), router, switch, audible and visual alarm equipment, large-screen LCD (LiquidCrystal Display, liquid crystal display) display and operating terminal etc.Fail safe for environmental monitoring system, can make management station 200 and each environment monitoring device 100 form VPN (Virtual PrivateNetwork, Virtual Private Network) network, the server of management station 200 can adopt two-shipper HA (HighAvailability, high availability) system, its storage system can adopt RAID (Redundant Array ofInexpensive Disks, Redundant Array of Inexpensive Disc) 1 or RAID 5 disk arrays to guarantee safety of data.
Figure 4 shows that the workflow diagram of environmental monitoring system among the present invention.In management station 200, determine the setting report condition of environment monitoring device 100 and the every weights that calculate the alarm grade by the keeper; Management station 200 is sent to environment monitoring device 100 with above-mentioned running parameter with instruction type; The alarm prediction scheme that environment monitoring device 100 is stored according to instruction modification, and make image identification unit 104 and data acquisition unit 109 carry out picture control and environmental parameter collection; When environment monitoring device 100 is judged the generation alarm, send a warning message to management station 200; On-the-spot situation about taking place is judged according to view data that comprises in the warning information and environmental parameter measurement result by management station 200, issue alarm signal when meeting management station's alarm conditions.
As seen, the present invention has effectively filtered and the irrelevant information of disaster by the utilization of image recognition technology, has improved high-risk highway section safety monitoring personnel's operating efficiency; By with the integration of multiple sensing technology, provided weather conditions, disaster condition information under the multiple condition of dangerous situation, be convenient to the later stage prevention work; By systems connection, realized the centralized dispatching of system, the purpose of centralized monitor, realized the disaster prevention system informationization.The present invention can also realize deploying troops on garrison duty fast of environmental monitoring system by adopting supply power mode flexibly such as wind-force, solar energy.
Environmental monitoring system among the present invention can not be subjected to the restriction of weather, landform, power supply, constructing communication network aspect, as long as hew out the concrete pedestal of about 1 meter of diameter at suitable monitoring location, top vertical rod, native system can be set, energising or adopt solar energy, wind power supply after can realize system's continuous operation, avoided artificial tour neutral gear dangerous situation to occur or can't in time notify the disaster that causes.
The present invention not only can be used for the high-risk highway section of highway, railway transportation, and can be used for all-environment comprehensive monitorings such as meteorology, forestry, water conservancy, massif.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection range of the present invention.
Claims (14)
1. an environmental monitoring installation is characterized in that, comprises image-generating unit, image identification unit, monitoring unit, transmitting element and memory cell, wherein:
The image-generating unit image information that generates monitored environment;
Image identification unit is used for the image information in the past of the image information of image-generating unit and memory cell preservation is compared, and calculates image harm value and transfers to monitoring unit;
Monitoring unit calculates the alarm grade according to the monitoring parameter that comprises image harm value, sends a warning message to management station by transmitting element when satisfying the setting report condition;
Transmitting element is used for to management station's transmission information;
Memory cell is used for carrying out storage, and described data comprise image information and setting report condition in the past.
2. according to the described environment monitoring device of claim 1, it is characterized in that, also comprise data acquisition unit and sensing unit, wherein:
Sensing unit is used at least one environmental parameter measured;
Data acquisition unit is used for gathering the measurement result of sensing unit, and transfers to monitoring unit;
The monitoring parameter that described monitoring unit calculates the alarm grade also comprises the environmental parameter measurement result that data acquisition unit is gathered.
3. according to the described environment monitoring device of claim 2, it is characterized in that: the data of storing in the described memory cell also comprise the weights of image harm value and the weights of environmental parameter measurement result;
Described monitoring unit calculates the alarm grade according to monitoring parameter and is specially: with the weights weighted average of every environmental parameter measurement result according to correspondence, again with image harm value weighted average.
4. according to the described environment monitoring device of claim 3, it is characterized in that: also comprise the image encoding unit, transfer to monitoring unit after being used for the image information of image-generating unit being encoded according to the instruction of monitoring unit;
Described monitoring unit comprises the monitoring unit view data that instruction figure generates as coding unit when satisfying the setting report condition in the warning information that management station sends.
5. according to the described environment monitoring device of claim 4, it is characterized in that: also comprise receiving element, be used for the instruction at receiving management station, comprise that data report instruction and parameter change to instruct;
Monitoring unit reports to management station according to view data, the image harm value of image identification unit generation and the environmental parameter measurement result of data acquisition unit collection that data report instruction that the image encoding unit is generated by transmitting element;
Monitoring unit is according to the described weights of storing in the parameter change instruction modification memory cell and set report condition.
6. according to any described environmental monitoring installation of claim 2 to 5, it is characterized in that: also comprise the alarm signal unit, issue alarm signal in described environmental monitoring installation location according to the control signal of monitoring unit;
Monitoring unit starts the alarm of alarm signal unit when the alarm grade surpasses the setting alarm threshold.
7. according to the described environment monitoring device of claim 6, it is characterized in that: described environmental parameter comprises temperature, humidity, wind-force, wind direction, rainfall, snowfall or earthquake.
8. an environmental monitoring system is characterized in that, comprises management station and at least one environment monitoring device, wherein:
Environment monitoring device comprises image-generating unit, image identification unit, monitoring unit, transmitting element and memory cell, and image-generating unit generates the image information of monitored environment; Image identification unit is according to the image information of image-generating unit and the computed image of the image information in the past harm value of storage; Transmitting element is used for sending information to management station; Memory cell is used for comprising image information and the storage of setting report condition in the past; Monitoring unit calculates the alarm grade according to the monitoring parameter that comprises image harm value, sends a warning message to management station by transmitting element when satisfying the setting report condition;
Management station comprises background processing unit, backstage receiving element, background storage and backstage Alarm Unit, and the backstage receiving element is used for the information that the reception environment monitoring device sends; Background storage is used for comprising that environment monitoring device sends the storage of information; The backstage Alarm Unit is used in management station's issue alarm signal; The information stores that background processing unit receives the backstage receiving element in background storage, instruction backstage Alarm Unit issue alarm signal during management station alarm conditions that the information conforms of determining to receive is set.
9. according to the described environmental monitoring system of claim 8, it is characterized in that: environment monitoring device also comprises the image encoding unit, transfers to monitoring unit after being used for according to the instruction of monitoring unit the image information of image-generating unit being encoded; Described monitoring unit comprises the monitoring unit view data that instruction figure generates as coding unit when satisfying the setting report condition in the warning information that management station sends;
Management station also comprises backstage graphics processing unit and backstage display unit, and the backstage graphics processing unit is used for the view data that receives from environment monitoring device is carried out enhancement process; The backstage display unit is used for carrying out the image after the enhancement process and the demonstration of the information of reception.
10. according to the described environmental monitoring system of claim 9, it is characterized in that: environment monitoring device also comprises data acquisition unit and sensing unit, and sensing unit is used at least one environmental parameter measured; Data acquisition unit is used for gathering the measurement result of sensing unit, and transfers to monitoring unit; The monitoring parameter that described monitoring unit calculates the alarm grade also comprises the environmental parameter measurement result that data acquisition unit is gathered;
Also comprise the environmental parameter measurement result in the information of described management station reception environment monitoring device.
11., it is characterized in that the data of storing in the described environment monitoring device memory cell also comprise the weights of image harm value and the weights of environmental parameter measurement result according to the described environmental monitoring system of claim 10; Described monitoring unit calculates the alarm grade according to monitoring parameter and is specially: with the weights weighted average of every environmental parameter measurement result according to correspondence, again with image harm value weighted average;
Described management station determines that the alarm conditions that the information conforms of reception is set are specially: judge the management station's alarm conditions that meet setting according to the image after the enhancement process and every environmental parameter measurement result.
12. according to the described environmental monitoring system of claim 11, it is characterized in that: environment monitoring device also comprises receiving element, is used for the instruction that the receiving management station sends;
The instruction of management station comprises that data report instruction, state to report instruction and parameter change instruction, the monitoring unit of environment monitoring device reports instruction that the view data of image encoding unit generation and the environmental parameter measurement result of data acquisition unit collection are reported to management station by transmitting element according to data, according to described weights of storing in the parameter change instruction modification memory cell and setting report condition, report instruction that the running status of environment monitoring device is reported to management station according to state;
Management station also comprises interface unit and backstage transmitting element, and interface unit is used for receiving query requests or parameter change setting, and transmits it to background processing unit; The backstage transmitting element is used for sending background processing unit is provided with generation according to query requests or parameter change instruction to environment monitoring device.
13. according to any described environment monitoring device of claim 8 to 12, it is characterized in that, environment monitoring device also comprises the alarm signal unit, when the alarm grade surpasses the setting alarm threshold, issues alarm signal in described environmental monitoring installation location according to the control signal of monitoring unit.
14. according to the described environment monitoring device of claim 13, it is characterized in that: the information transmission mode between environment monitoring device and the management station comprises that code division multiple access inserts CDMA, general packet radio service gprs, global system for mobile communications GSM, microwave or the Internet.
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| CNB2005100891543A CN100521779C (en) | 2005-08-04 | 2005-08-04 | Environment monitoring apparatus and system |
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| CNB2005100891543A CN100521779C (en) | 2005-08-04 | 2005-08-04 | Environment monitoring apparatus and system |
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| CN100521779C CN100521779C (en) | 2009-07-29 |
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