CN101178833A - High efficient low false alarming rate remote monitoring system - Google Patents
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Abstract
The invention discloses a remote monitoring system and a method with high efficiency and low false alarm rate. The remote monitoring system consists of a plurality of terminal monitoring units, a main controlling unit and terminal users, wherein the terminal monitoring units and the main controlling unit communicate in the way of wire or wireless. The main controlling unit and the terminal users communicate through various telephone networks and webs. An order signal can be returned through the start of the expert system to control the terminal monitoring unit. The order terminal monitoring unit re-sets the data sampling/transmission rate to larger value. Meanwhile, through the detailed analysis of the terminal data signals and the image audio signals by an expert system, the order terminal monitoring unit determines whether early warning exists at low error rate and ensures that the main controlling unit can send real-time alarming signals to the terminal users and the responding alarming service station accurately in case of danger. The invention can realize real-time and accurate remote monitoring on the place to be monitored.
Description
Technical Field
The invention relates to the field of remote monitoring, in particular to a remote monitoring system and a remote monitoring method with high efficiency and low false alarm rate.
Background
With the development of communication technology and the improvement of living standards of people, the real-time query demand of people for information of interested areas of people is continuously increased, when a house owner works or travels outside, the house owner wants to obtain indexes such as temperature, humidity, air freshness and the like in a room in real time through a mobile phone or a personal computer, can monitor the states of various household appliances of a family, and can control the working states of the household appliances according to own needs, and more importantly, the modern demand for intelligent realization of family security is rapidly increased, for example, the monitoring system is required to analyze the alarm situation and send alarm signals to police departments and residence owners in time aiming at the occurrence of early warning situations such as fire, illegal invasion and the like.
With the increase of civil demands, the monitoring technology is gradually developed from the prior engineering monitoring to the present civil monitoring. Monitoring technologies are increasingly penetrating into the lives of people, but in the existing wireless remote monitoring technologies, one or more cameras are installed at a monitoring place, the cameras are directly connected with a fixed monitoring terminal through optical fibers, coaxial cables, telephone lines or the internet, a user can view the situation of the monitoring place through a fixed PC, and the requirement of monitoring the user anytime and anywhere is difficult to meet. And the existing remote monitoring device has the disadvantages of complex installation, inconvenient expansion and maintenance and higher cost.
At present, many systems for remotely monitoring residences or warehouses and the like based on information collected by sensor nodes are available abroad, such as US20030214401, but these existing systems need to monitor and analyze all sensor node data, images and audio signals all the time to find abnormal situations that may occur at a monitoring location, so that when the number of monitoring terminals is large, the load of the overall system on information processing is increased seriously, the system has low working efficiency and low processing speed, and accordingly, the real-time performance of monitoring is poor, in US20030214400, the monitoring system obtains a high-efficiency monitoring effect with relatively less data processing cost compared with the conventional system of the same scale by specially setting the transmission speed of an emergency event by performing sampling and transmission at different frequencies at the monitoring end, but it needs each user to maintain a parameter controller for rate adjustment control, therefore, when the number of terminal monitoring ends is large, the complexity of the system is obviously increased; in addition, the existing remote monitoring system determines whether the early warning condition occurs according to the analysis of the sensor data, so that the high false alarm rate exists.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a high-efficiency and low-false-alarm-rate remote monitoring system and a method thereof, so that the system not only has the characteristics of high efficiency and low false alarm rate, but also is more convenient to install and lower in cost.
In order to solve the technical problems, the technical scheme adopted by the invention is a high-efficiency and low-false-alarm-rate remote monitoring system which comprises a terminal monitoring unit, a user terminal and a main control unit connected between the terminal monitoring unit and the user terminal; the terminal monitoring unit collects data information of a monitoring site and sends the data information to the main control unit; the main control unit processes the received data information, starts an expert system to control the field information acquisition of the terminal monitoring unit according to the request of the terminal monitoring unit, comprehensively analyzes the received monitoring field information, and sends an alarm signal to the user terminal in real time according to the alarm condition.
The terminal monitoring unit comprises a data acquisition module, a data processing module, a terminal control module and a monitoring signal transceiving module; the data acquisition module acquires monitoring field information; the monitoring signal transceiving module sends the monitoring field information processed by the data processing module to the main control unit and receives a control signal sent by the main control unit; the terminal control module controls the other modules by communicating with the expert system of the main control unit.
The data acquisition module comprises a sensor node, a camera and an audio recorder; the sensor node collects data information of a monitoring site, and the camera and the audio recorder are used for recording image information and audio information of the monitoring site under abnormal conditions.
The data processing module comprises a sensing data information processing module, an image processing module and an audio information processing module; the sensor data information processing module is used for carrying out abnormity detection and processing on data information acquired by the sensor nodes and then sending results to the monitoring signal transceiving module; the image processing module and the audio information processing module respectively process the image information and the audio information of the monitoring site and then send the processed image information and the processed audio information to the monitoring signal transceiving module.
The sensing data information processing module comprises a data information processing module and an abnormal event detection module; the data information processing module is used for processing data information collected by the sensor nodes and then sending the processed data information to the monitoring signal transceiving module; the abnormal event detection module is used for detecting abnormal events of the data information collected by the sensor nodes and sending the detection result to the monitoring signal transceiver module.
The terminal monitoring unit also comprises an alarm for giving an alarm according to the alarm signal sent by the terminal control module.
The main control unit comprises a main control signal transceiving module, a signal processing module, a data storage module and a network interface module besides an expert system module; the main control signal transceiver module is used for communicating with the monitoring signal transceiver module to receive and transmit information, the signal processing module processes the received signal transmitted by the terminal monitoring unit and transmits the processed signal to the data storage module, and the network interface module is used for exchanging data with the user terminal.
The user terminal comprises a monitoring place owner and a police service desk.
The terminal monitoring unit and the main control unit are communicated in a wired or wireless mode, and the main control unit and the user terminal are communicated in a telephone network or web mode.
A high-efficiency low-false alarm rate remote monitoring method comprises the following steps:
(1) the terminal monitoring unit collects data information of a monitoring site, analyzes, processes and sends the data information;
(2) the main control unit processes the received data of the monitoring site, and if a request of starting the expert system by the terminal monitoring unit is received, the expert system is started to control the acquisition and the transmission of the site information of the terminal monitoring unit;
(3) and the expert system of the main control unit analyzes and processes the received field information and sends an alarm signal to the user terminal in real time according to the alarm condition.
Wherein the step (1) is specifically as follows:
(11) the data acquisition module collects data information of the sensor nodes and sends the data information to the data processing module;
(12) the data processing module processes and detects the received data information of the sensor nodes and sends the processing and detecting results to the main control unit through the monitoring signal transceiving module.
Wherein the step (12) is specifically:
the data information processing module processes the data information of the sensor nodes and then sends the processed data information to the main control unit through the monitoring signal transceiving module; meanwhile, the abnormal event detection module performs abnormal event detection on the data information of the sensor node, and sends an expert system starting request to the main control unit through the monitoring signal transceiving module when abnormal data is detected.
Wherein the step (2) specifically comprises:
(21) if the main control unit does not receive the request for starting the expert system sent by the terminal monitoring unit, the main control unit directly stores the processed data; if the main control unit receives the request for starting the expert system sent by the terminal monitoring unit, the step (22) is executed;
(22) after the expert system is started, returning start confirmation information to the terminal monitoring unit and a parameter value for the terminal monitoring unit to reset the processing information rate;
(23) the terminal monitoring unit resets its processing information rate and starts the camera and the audio recorder.
Wherein the step (3) is specifically as follows:
(31) the expert system analyzes the data information of the sensor nodes, the image information shot by the camera and the audio information recorded by the audio recorder; if the early warning condition is confirmed, the expert system sends an alarm notice to the user terminal or/and the alarm of the terminal monitoring unit in real time; if no early warning condition is confirmed, the expert system informs the terminal monitoring unit of no early warning condition, sends a command for requiring the terminal monitoring unit to initialize the information processing rate of the terminal monitoring unit and quits the operation.
Compared with the traditional remote monitoring system, the invention mainly utilizes a plurality of sensor nodes arranged at a monitoring place at the monitoring terminal to collect various concerned information, only a small number of cameras and audio recorders are needed to be installed, thus effectively solving the problems of difficult system installation and high price, simultaneously, the information collection is easy to realize due to the flexibility of the sensor ad hoc network, simultaneously, new sensor nodes can be added to the monitoring place at any time according to the requirement, and new nodes with the same function can be replaced at any time for invalid sensor nodes, thus leading the system to be convenient for expansion and maintenance.
Particularly, the invention can set a proper speed value for the information sampling and sending of the terminal monitoring unit according to the monitoring information condition, the system working state and the like because the main control unit uses the intelligent control of the expert system, so that the information processing load of the main control unit can be effectively reduced when more terminal monitoring units are used, the system processing efficiency is further improved, and the real-time performance is enhanced. Meanwhile, the control of the terminal information processing rate is decided by the master control unit in a unified way, so that the complexity of the system is effectively reduced. On the other hand, the change of the sampling and sending rate of the terminal monitoring unit is beneficial to the fact that when an abnormal event occurs, the expert system can obtain more accurate field information, meanwhile, the expert system can judge whether the early warning condition occurs or not with extremely high accuracy rate through intelligently analyzing various data signals and field video audio media information, and therefore the false alarm rate of the system can be effectively reduced.
Drawings
FIG. 1 is a flow chart of the present invention.
FIG. 2 is a block diagram of the system of the present invention.
Fig. 3 is a structural diagram of a terminal monitoring unit in fig. 2.
Fig. 4 is a structural diagram of the main control unit in fig. 2.
Detailed Description
The following detailed description of specific embodiments of the invention is provided in connection with the accompanying drawings.
Referring to fig. 1, a high-efficiency low false alarm rate remote monitoring method includes the steps: 1) the terminal monitoring unit collects the sensor node information and analyzes, processes and sends the information; 2) the main control unit processes the received data, if the request of starting the expert system is received, the step 3) is executed, if the request is not received, the main control unit directly stores the processed data; 3) after the expert system is started, returning confirmation information and a parameter value to the terminal monitoring unit for resetting the rate of processing the information by the terminal monitoring unit; 4) the terminal monitors and starts a camera and an audio recorder of the terminal to send video and audio signals to the expert system; 5) the expert system intelligently analyzes the sensor information and the video and audio information; 6) the expert system sends an analysis report, and if the early warning condition is confirmed, an alarm is sent to the user terminal; and if no early warning condition is confirmed, the terminal monitoring unit is informed of the absence of the early warning condition, a command for requiring the terminal monitoring unit to initialize the information processing rate to a lower value is sent out, and the operation is quitted.
Referring to fig. 2 and 4, the present invention is a remote monitoring system with high efficiency and low false alarm rate, which comprises a plurality of terminal monitoring units 1, a main control unit 2 and a user terminal. The terminal monitoring unit and the main control unit are communicated in a wired or wireless mode, and the main control unit and the terminal user are communicated in a telephone network or web mode. The terminal monitoring unit is responsible for monitoring a monitoring place in real time, sampling, analyzing and sending the acquired data at a lower initial rate, and when the numerical value of the acquired data exceeds a certain threshold value, the terminal monitoring unit sends a request for starting the expert system 20 to the main control unit; the main control unit 2 receives the signal sent by the terminal monitoring unit, processes the signal for a certain time and stores the signal, when the expert system is requested to be started by the terminal monitoring unit, it first returns a signal of a rate parameter setting value for the terminal monitoring unit according to the current system state parameter while confirming that it has been started, it requests the terminal monitoring unit to sample/transmit data at a higher rate, and carries out comprehensive intelligent analysis and processing on the received sensor data information and the image and sound signals to determine whether an early warning condition occurs, if the early warning condition occurs, the expert system sends an alarm signal to the user terminal, otherwise, the expert system returns a signal indicating normal state to the terminal monitoring unit and simultaneously requires the terminal monitoring unit to initialize the data sending rate, and simultaneously reports the analysis result to the main control unit and stops running. The user terminal comprises a monitoring place owner and a police service desk, wherein the user can receive the early warning signal and inquire the monitoring information.
The terminal monitoring unit consists of a data acquisition part, a data processing part, a terminal control module part and a terminal signal transceiving module, wherein the terminal control module part controls the states of other modules through communicating with an expert system of the main control unit, and the terminal signal transceiving module is responsible for sending information such as sensor information, video and audio and the like in a wired or wireless mode and simultaneously receiving control signals sent by the main control unit.
Referring to fig. 3, the terminal monitoring unit includes: the system comprises one or more sensor nodes 11, a camera 12 and an audio recorder 13, wherein the sensor nodes are used for collecting data information such as environmental condition indexes such as temperature, humidity, air index and vibration index, and the camera and the audio recorder are used for taking pictures and recording the monitored site in abnormal conditions; a data information processing module 16 for receiving information from the sensor information input interface 14, an abnormal event detecting module 15 for detecting the sensor information to determine whether an abnormal event occurs, an image information processing module 17 for processing video information, and an audio information processing module 18 for processing information input by the audio recorder; a terminal control module 10 for controlling the information processing rate of the data processing module, the working states of the alarm 100, the camera 12 and the audio recorder 13, and the like, wherein the terminal control module 10 mainly communicates control information with the expert system 20 of the main control unit; the monitoring signal transceiver module 19 is responsible for transceiving and controlling various sensor data, video and audio signals and control signals, and can support wired or wireless transmission.
The terminal control module 10 in the terminal monitoring unit of fig. 3 mainly controls the rate at which the data processing module in the unit processes data, i.e. under normal conditions, when the terminal control module receives a command from the expert system requesting initialization of the sampling and transmission rate, it will initialize the sampling and transmission of the data processing module to a lower rate, and when an abnormal event occurs, once the control unit receives a command from the expert system requesting resetting of the rate, it will send a control signal to the data processing unit to reset its sampling and transmission rate to a higher value. And the control initializes the speed of the data processing module again until the abnormal event is solved.
In fig. 3, the monitoring terminal control module 10 controls the working states of the camera 12 and the audio recorder 13 at the same time, and when receiving the request confirmation command from the main control unit expert system 20, it will start the camera 12 and the audio recorder 13 to start recording the video and audio in the field environment.
In fig. 3, the monitoring terminal control module 10 is responsible for triggering the alarm 100 to alarm in the early warning situation.
In the terminal monitoring unit in fig. 3, when the collected data is normal, it directly sends out the data information through the signal transceiver module, and when the collected value exceeds a certain threshold, it sends a signal that warns and requests to start the expert system.
The main control unit comprises an expert system and a storage server, when the main control unit receives information which is sent by a monitoring terminal and used for finding abnormal data and requesting to start the expert system, the main control unit starts the expert system to enter an operating state, after the expert system is started, the expert system firstly returns a signal for confirming a starting signal and a rate parameter setting value to the terminal monitoring unit according to the analysis of the system state, the expert system requires the terminal monitoring unit to sample and send data at a higher rate, meanwhile, the expert system carries out detailed analysis on sensor data, images and audio signals sent by a terminal monitoring part, when the occurrence of an early warning condition is confirmed, the expert system generates an alarm signal to a terminal user and a police service desk, and simultaneously sends a signal for triggering an alarm to the terminal monitoring unit; when the analysis result shows that no early warning condition occurs, the expert system sends the analysis result to the terminal monitoring unit and informs the terminal monitoring unit to reinitialize the information processing rate to a lower rate, and meanwhile, the expert system quits the operation.
Referring to fig. 4, the main control unit is composed of a main control signal transceiver module 21, a signal processing module 22, an expert system 20, a data storage 23, and a network interface module 24, the signal processing module 22 is responsible for receiving signals sent by the terminal monitoring unit 1, the storage 23 stores the received data according to different terminal monitoring addresses, the expert system 20 sets certain parameters after being started, and then intelligently analyzes sensor information and video/audio signals sent by the terminal monitoring unit and sends an analysis result or a corresponding early warning signal. The main control signal transceiver module 21 supports wired or wireless transmission, and the network interface module 24 is responsible for exchanging data with the terminal user.
In fig. 4, when the main control unit receives normal data, it will directly transmit the received data to the data storage through the serial interface after a certain conversion, when it receives the signal of the terminal monitoring unit's early warning and requesting to start the expert system, the expert system 20 will call the expert system application program and inquire the current working state parameter, after the expert system 20 starts, it will set a certain sampling and transmission rate value for the terminal monitoring device according to the system's current working state parameter and transmit.
The master unit network interface module 24 of fig. 4 may provide interfaces to various networks to enable communication with end users.
Referring to fig. 2, the user terminal includes a monitoring location owner and a police service desk, wherein the police service desk can receive the alarm signal sent by the main control unit through a telephone network, and the monitoring location owner can communicate with the main control unit through the telephone network (mobile or fixed telephone network) and can access the main control unit in a web mode, the short message mode enables the user to receive the alarm signal in real time, the web mode enables the user to inquire the monitoring information anytime and anywhere, and if the inquiry is in the web mode, the inquiry can be carried out only through identity authentication.
The invention can provide a remote monitoring system with high efficiency and low false alarm rate for users, can provide monitoring service for a large number of users, has good real-time property and high accuracy for processing abnormal conditions of monitoring place information, can send alarm notification to related police departments in time, and can realize inquiry of monitoring place information through various networks at any time and any place.
Claims (14)
1. The utility model provides a remote monitering system of low false alarm rate of high efficiency which characterized in that: the system comprises a terminal monitoring unit, a user terminal and a main control unit connected between the terminal monitoring unit and the user terminal; wherein,
the terminal monitoring unit collects data information of a monitoring site and sends the data information to the main control unit; the main control unit processes the received data information, starts an expert system to control the field information acquisition of the terminal monitoring unit according to the request of the terminal monitoring unit, comprehensively analyzes the received monitoring field information, and sends an alarm signal to the user terminal in real time according to the alarm condition.
2. The high efficiency low false alarm rate remote monitoring system according to claim 1, wherein: the terminal monitoring unit comprises a data acquisition module, a data processing module, a terminal control module and a monitoring signal transceiving module; wherein,
the data acquisition module acquires monitoring field information; the monitoring signal transceiving module sends the monitoring field information processed by the data processing module to the main control unit and receives a control signal sent by the main control unit; the terminal control module controls the other modules by communicating with the expert system of the main control unit.
3. The high efficiency low false alarm rate remote monitoring system according to claim 2, wherein: the data acquisition module comprises a sensor node, a camera and an audio recorder; wherein,
the sensor node collects data information of a monitoring site, and the camera and the audio recorder are used for recording image information and audio information of the monitoring site under abnormal conditions.
4. The high efficiency low false alarm rate remote monitoring system according to claim 2, wherein: the data processing module comprises a sensing data information processing module, an image processing module and an audio information processing module; wherein,
the sensing data information processing module is used for carrying out abnormity detection and processing on data information acquired by the sensor nodes and then sending results to the monitoring signal transceiving module; the image processing module and the audio information processing module respectively process the image information and the audio information of the monitoring site and then send the processed image information and the processed audio information to the monitoring signal transceiving module.
5. The high efficiency low false alarm rate remote monitoring system according to claim 4, wherein: the sensing data information processing module comprises a data information processing module and an abnormal event detection module; wherein,
the data information processing module is used for processing the data information acquired by the sensor nodes and then sending the processed data information to the monitoring signal transceiving module; the abnormal event detection module is used for detecting abnormal events of the data information collected by the sensor nodes and sending the detection result to the monitoring signal transceiver module.
6. The high efficiency low false alarm rate remote monitoring system according to claim 2, wherein: the terminal monitoring unit also comprises an alarm for giving an alarm according to the alarm signal sent by the terminal control module.
7. The high efficiency low false alarm rate remote monitoring system according to claim 1, wherein: the main control unit comprises a main control signal transceiving module, a signal processing module, a data storage module and a network interface module besides an expert system module; wherein,
the main control signal receiving and sending module is used for communicating with the monitoring signal receiving and sending module to receive and send information, the signal processing module processes the received signal sent by the terminal monitoring unit and then sends the processed signal to the data storage module, and the network interface module is used for exchanging data with the user terminal.
8. The high efficiency low false alarm rate remote monitoring system according to claim 1, wherein: the user terminal comprises a monitoring place owner and a police service desk.
9. The high efficiency low false alarm rate remote monitoring system according to any one of claims 1 to 8, wherein: the terminal monitoring unit and the main control unit are communicated in a wired or wireless mode, and the main control unit and the user terminal are communicated in a telephone network or web mode.
10. A high-efficiency low-false-alarm-rate remote monitoring method is characterized by comprising the following steps:
(1) the terminal monitoring unit collects data information of a monitoring site, analyzes, processes and sends the data information;
(2) the main control unit processes the received data of the monitoring site, and if a request of starting the expert system by the terminal monitoring unit is received, the expert system is started to control the acquisition and the transmission of the site information of the terminal monitoring unit;
(3) and the expert system of the main control unit analyzes and processes the received field information and sends an alarm signal to the user terminal in real time according to the alarm condition.
11. The high-efficiency low-false alarm rate remote monitoring method according to claim 10, wherein the step (1) is specifically:
(11) the data acquisition module collects data information of the sensor nodes and sends the data information to the data processing module;
(12) the data processing module processes and detects the received data information of the sensor nodes and sends the processing and detecting results to the main control unit through the monitoring signal transceiving module.
12. The high-efficiency low-false alarm rate remote monitoring method according to claim 11, wherein the step (12) is specifically:
the data information processing module processes the data information of the sensor nodes and then sends the processed data information to the main control unit through the monitoring signal transceiving module;
meanwhile, the abnormal event detection module performs abnormal event detection on the data information of the sensor node, and sends an expert system starting request to the main control unit through the monitoring signal transceiving module when abnormal data is detected.
13. The high-efficiency low-false alarm rate remote monitoring method according to claim 10, wherein the step (2) is specifically:
(21) if the main control unit does not receive the request for starting the expert system sent by the terminal monitoring unit, the main control unit directly stores the processed data; if the main control unit receives the request for starting the expert system sent by the terminal monitoring unit, the step (22) is executed;
(22) after the expert system is started, returning start confirmation information to the terminal monitoring unit and a parameter value for the terminal monitoring unit to reset the processing information rate;
(23) the terminal monitoring unit resets its processing information rate and starts the camera and the audio recorder.
14. The high-efficiency low-false alarm rate remote monitoring method according to claim 10, wherein the step (3) is specifically:
(31) the expert system analyzes the data information of the sensor nodes, the image information shot by the camera and the audio information recorded by the audio recorder;
if the early warning condition is confirmed, the expert system sends an alarm notice to the user terminal or/and the alarm of the terminal monitoring unit in real time;
if no early warning condition is confirmed, the expert system informs the terminal monitoring unit of no early warning condition, sends a command for requiring the terminal monitoring unit to initialize the information processing rate of the terminal monitoring unit and quits the operation.
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