CN111385539A - Data tampering preventing environment monitoring system - Google Patents
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- 230000007613 environmental effect Effects 0.000 claims abstract description 64
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- 239000003344 environmental pollutant Substances 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/06—Generation of synchronising signals
- H04N5/067—Arrangements or circuits at the transmitter end
- H04N5/0675—Arrangements or circuits at the transmitter end for mixing the synchronising signals with the picture signal or mutually
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/907—Television signal recording using static stores, e.g. storage tubes or semiconductor memories
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Abstract
The invention provides a data tampering preventing environment monitoring system. The system mainly comprises an environment monitoring sensor, a light-emitting device, a camera, a monitoring terminal and other equipment. The system simultaneously acquires environmental data and field video data comprising an environmental monitoring sensor and a light-emitting device, and respectively stores the environmental data and the field video data; and an operator can call and compare the environmental data and the video data through the monitoring terminal to find out data abnormality. The system protects the environmental data in the whole process from all links of data acquisition, transmission and storage, effectively prevents counterfeiting and tampering of the data, and solves the safety problem of the existing environmental monitoring system. The system is easy to implement, has high reliability, and has wide application prospect in the fields of safe production supervision, environmental protection supervision, public health supervision and the like.
Description
Technical Field
The invention relates to a data tampering preventing environment monitoring system, which mainly relates to the technical fields of automatic control, communication, data protection and the like.
Background
The environmental monitoring comprises the monitoring of pollutant gas emission, the monitoring of sewage emission, the monitoring of inflammable and explosive production environments, geological monitoring, motor vehicle emission monitoring, urban water supply water quality monitoring and the like. The environmental data is collected by the sensor and is transmitted and stored in a digital form, and the data in a pure digital form has a simple structure and is easy to tamper. Taking coal mine underground gas monitoring data as an example, the coal production industry is high-risk, the death rate of personnel in gas accidents in the serious accidents of mines is highest, in order to guarantee production safety, the state enforces that coal mines are provided with gas monitoring systems, key data need to be uploaded to a safety production supervision and management department, and the gas accident occurrence rate is effectively reduced. However, the existing gas monitoring system has numerous links in the data acquisition and transmission process, needs to pass through equipment such as data substations, relay equipment, underground switches, aboveground switches and the like, has the risk of being tampered in each link of transmission, and is easy to forge and tamper stored historical data due to the simple data structure. When the data in the data acquisition and transmission links are falsified, the safety production supervision and management department cannot effectively monitor the potential safety hazard of the coal mine gas accident and cannot obtain the coal mine accident information in time; when the historical data stored in the storage device is forged or tampered, the accident investigation department cannot obtain effective evidence of the accident reason, and the accident investigation and responsibility tracing are affected. The prior firewall technology only protects transmission data and access in a local area network and an internet, can not prevent data tampering in a bottom data acquisition and transmission link, and can not ensure that stored data is not illegally accessed and tampered by hackers. Besides the safety production supervision field, similar data safety problems also exist in the fields of environmental protection supervision, public health supervision and the like. Therefore, a new technology and a system for protecting the environmental data in the whole process from the links of data acquisition, transmission and storage are needed, the safety of the environmental data is effectively ensured, and accidents such as illegal production and the like are effectively avoided.
Disclosure of Invention
The invention provides a data tampering prevention environment monitoring system, which is used for embedding environment data into monitoring video data, protecting the environment data in all links of data acquisition, transmission and storage, and effectively preventing data tampering by people. The system comprises at least one environmental monitoring sensor, at least one light-emitting device, at least one camera, at least one data storage device, at least one video storage device, at least one monitoring terminal and a data network;
the environment monitoring sensor, the camera, the data storage device, the video storage device and the monitoring terminal are connected with a data network;
the environment monitoring sensor is used for acquiring environment data, is connected with the light-emitting device through a digital communication interface, is connected with a data network through a network interface, and respectively sends the environment data to the light-emitting device and the data storage equipment through the digital communication interface and the data network;
the light-emitting device receives the environmental data transmitted by the environmental monitoring sensor through the digital communication interface, converts the environmental data into an optical signal and transmits the optical signal, and the environmental monitoring sensor does not transmit new environmental data before the optical signal is transmitted;
the video camera is responsible for video acquisition, the video acquisition range comprises an environment monitoring sensor and a light-emitting device, the acquired video content comprises light signals emitted by the light-emitting device, and the video camera is communicated with the video storage equipment through a data network;
the data storage equipment receives and stores the environmental data sent by the environmental monitoring sensor and provides environmental data query service for the monitoring terminal;
the video storage equipment receives and stores video data sent by the camera and provides video data query service for the monitoring terminal;
the monitoring terminal has the function of simultaneously calling and displaying the environmental data stored in the data storage device and the video data stored in the video storage device, identifies optical signals in the video data to obtain analytic data, compares the environmental data in the same section by taking the analytic data as a basis, and judges that the environmental data are tampered if the data are different.
1. The data tampering preventing environment monitoring system further comprises: the environment monitoring sensor is a digital sensor and has the function of converting environment parameters into digital data.
2. The data tampering preventing environment monitoring system further comprises: the environment monitoring sensor comprises an environment monitoring sensor with a data display screen, and the video content collected by the camera comprises environment data text information displayed by the display screen of the environment monitoring sensor.
3. The data tampering preventing environment monitoring system further comprises: the light-emitting device comprises a light-emitting element, the light-emitting device sends a light signal by controlling the on and off of the light-emitting element, and the interval time of the minimum on and off of the light-emitting element is longer than the interval time of each frame of the video collected by the camera.
4. The data tampering preventing environment monitoring system further comprises: the light-emitting device comprises a visible light-emitting element or an infrared light-emitting element, and when the infrared light-emitting element is used for transmitting a light signal, the camera adopts a camera with an infrared light acquisition function; the visible light emitting elements of the system comprise multi-color light emitting elements, coded by different color combinations.
5. The data tampering preventing environment monitoring system further comprises: the environment monitoring sensor, the camera, the data storage device and the video storage device are all provided with clock modules and have a time recording function; the environment data transmitted by the environment monitoring sensor comprises time information of data acquisition; the camera has a subtitle adding function, and the transmitted video data contains subtitles with video acquisition time and position information. And the data storage device and the video storage device perform index storage on the received data according to the time provided by the clock module.
6. The data tampering preventing environment monitoring system further comprises: the system further comprises a time service device, and the time service device is used for uniformly time service the clock modules of the environment monitoring sensor, the camera, the data storage device and the video storage device.
7. The data tampering preventing environment monitoring system further comprises: when the camera outputting the analog signals is adopted, the camera and the video storage device are connected with the video optical transceiver, and the video signals are transmitted through the video optical transceiver and the optical fibers.
The data tampering preventing environment monitoring system synchronously embeds data collected by the sensor into a monitoring video signal by utilizing the light flash of the light-emitting device, and adds time data synchronously processed by the clock into the video data, thereby effectively ensuring the synchronism of the collected data and the video data. Meanwhile, the technical scheme that the camera collects the data display screen of the environment monitoring sensor is provided in the invention content, the difficulty of counterfeiting and tampering the video data is further increased, and the safety of the system is further improved. The synchronously stored video data is used for being checked and compared with the stored environment monitoring data, and data can be found to be forged and falsified if the data are different, so that the problems of data reliability and safety which cannot be solved by the existing environment monitoring system are solved. In addition, the synchronously stored video data can be used for on-site monitoring of the sensor placement environment, and can be used for obtaining evidence of any behaviors of artificially destroying the sensor and cheating the collection environment, including illegal and illegal behaviors such as closing and blocking a sensor probe. The data tampering preventing environment monitoring system is easy to implement, high in reliability and wide in application prospect in the fields of safe production, environment protection, public health supervision and the like.
Drawings
Fig. 1 is a schematic diagram of an implementation example 1 of a data tampering resistant environment monitoring system.
Fig. 2 is a schematic diagram of an implementation example 2 of the data tampering preventing environment monitoring system.
Fig. 3 is a schematic diagram of the structure of the light emitting device.
Fig. 4 is a work flow diagram of an implementation example 1 of the data tampering preventing environment monitoring system.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. The low data tamper resistant environment monitoring system implementation example 1 is shown in fig. 1:
1. the environment monitoring sensor (101) comprises flammable gas, explosive gas, polluted gas, water quality, hydrology, geological sensors and the like, and adopts a digital sensor; the system is provided with wired digital communication interfaces such as RS232 and RS485, or point-to-point wireless digital communication interfaces such as Bluetooth, infrared and RF 905; there is also a wired or wireless network interface. The digital communication interface is used for being connected with the light-emitting device (102), the network interface is connected with a core switching equipment switch (104) of a data network, and the digital communication interface is used for being communicated with the data storage equipment (106) and the time service equipment (108). The environmental monitoring sensor includes a sensor having a data display screen.
2. And the light-emitting device (102) is responsible for receiving the environmental data transmitted by the environmental monitoring sensor, converting the environmental data into an optical signal and transmitting the optical signal. The digital communication interface of the light-emitting device is connected with an environment monitoring sensor (101) and used for receiving environment data. The light signal code of the light-emitting device can adopt standard Morse code to send data through the length of light-emitting time, binary code or autonomous code. The principle of the structure of the light emitting device is specifically illustrated in the description of fig. 3.
3. And the camera (103) is responsible for video acquisition, the video acquisition range comprises an environment monitoring sensor and a light-emitting device, and the acquired video content comprises a light signal emitted by the light-emitting device. The camera has a subtitle adding function, and subtitles of video acquisition time and position information are added to acquired videos in real time. The camera has a wired or wireless network interface, and the network interface is connected with a core switching equipment switch (104) of a data network and is used for communicating with a video storage device (105) and a time service device (108). When the light emitting device (102) uses an infrared light emitting element to transmit a light signal, the system employs a camera having an infrared light collecting function. When the system employs an environmental monitoring sensor having a data display screen, the video content captured by the camera includes environmental data text information displayed by the display screen.
4. The switch (104) is a core switching device of the data network, is responsible for managing the data network, provides communication services for the environment monitoring sensor, the camera, the data storage device, the video storage device and the monitoring terminal, and can adopt a wired switch or a wireless switch, such as a Wifi wireless router.
5. And the video storage device (105) is responsible for receiving and storing the video data sent by the camera through a data network and providing video data query service for the monitoring terminal, and adopts a video storage server or IP-SAN, FC-SAN and other storage devices with a data management function. The video storage device has the functions of TCP/UDP access service and WEB data service, and provides service for accessing and calling video data by the monitoring terminal (107).
6. And the data storage device (106) is responsible for receiving and storing the environmental data sent by the environmental monitoring sensor through a data network, providing environmental data query service for the monitoring terminal, and adopting a server with multiple hard disks or storage devices with data management functions such as IP-SAN, FC-SAN and the like. The data storage device has the functions of TCP/UDP access service and WEB data service, and provides service for accessing and calling environment monitoring data by the monitoring terminal (107).
7. And the monitoring terminal (107) is used for providing data comparison service for managers and has the function of simultaneously calling and displaying the environmental data stored in the data storage equipment and the video data stored in the video storage equipment. Computers, workstations, tablets, smart phones, etc. with network access may be employed. An operator can access the data storage device and the video storage device through specific software or a browser on the monitoring terminal to obtain the environmental data and the video data of the required time, the optical signal in the video data can be identified through special identification software to obtain analysis data, the environmental data in the same section is compared by taking the analysis data as a basis, and if the data are different, the environmental data are judged to be tampered.
8. And the time service equipment (108) is provided with a network interface, is connected with the switch through the network interface, and provides time service for the environment monitoring sensor, the camera, the data storage equipment, the video storage equipment and the monitoring terminal through a data network so as to ensure the clock synchronization of the equipment. The time service equipment is internally provided with a satellite positioning module, and the positioning module receives signals of a GPS, a Beidou, GLONASS or Galileo positioning satellite through a satellite antenna (109) and processes the signals to obtain standard time so as to ensure the accuracy of time service.
9. A satellite antenna (109) for receiving positioning satellite signals.
An implementation example 2 of the low data tamper resistant environment monitoring system is shown in fig. 2. The overall structure of the present embodiment is basically the same as that of embodiment 1, and the main differences are as follows:
1. the video output port of the camera is connected with the sending end (110) of the video optical transceiver, the receiving end (111) of the video optical transceiver is connected with the video input end of the video storage device, and the video optical transceivers are connected through optical fibers.
2. The switch (104) is connected to the internet.
3. The monitoring terminal (107) can be remotely connected with a data network of the system through the internet to access the data storage device and the video storage device.
4. Because the data network is connected with the Internet, the environment monitoring sensor, the camera, the data storage device, the video storage device and the monitoring terminal can be timed by the Internet, and no timing device is arranged.
The data networks of the above two examples are general network structures, and in practical application, due to a long transmission distance, the structure of the data network may be more complicated, and devices such as data substations, access devices, relays, routers, and the like may be added according to construction requirements.
The structure principle of the light-emitting device is shown in fig. 3.
1. And the processing unit (301) adopts an MCU, a code conversion chip and a programmable logic device with a code conversion function, converts data into a data signal with a carrier wavelength higher than the frame interval time of the camera, and is mainly responsible for data receiving control of the digital communication interface unit and data sending control of the light-emitting driving unit.
2. The digital communication interface unit (302) is responsible for receiving the environmental data sent by the environment monitoring sensor (101), can adopt wired digital communication interfaces such as RS232 and RS485, can also adopt point-to-point wireless digital communication interfaces such as Bluetooth, infrared and RF905, can directly adopt various digital communication interface modules, and converts the received data signals into input level signals of the processing unit (301) and transmits the input level signals to the processing unit.
3. And the light-emitting driving unit (303) is controlled by the processing unit (301) to drive the light-emitting unit to emit light, and an LED driving module or a triode driving circuit is adopted to convert the control level signal of the processing unit (301) into a control signal of the light-emitting unit (304).
4. The light emitting unit (304) and the light emitting elements of the light emitting device adopt visible light LEDs or infrared light LEDs, and the visible light LEDs can adopt LEDs of various colors and are coded by different color combinations.
5. And the power supply (305) comprises an AC/DC or DC/DC circuit and is used for converting the power supply into power supplies required by the processing unit (301), the digital communication interface unit (302), the light-emitting driving unit (303) and the light-emitting unit (304) respectively for supplying power.
Taking the implementation example 1 as an example, the workflow of the data tampering preventing environment monitoring system is shown in fig. 4, which only lists the main working steps:
(401), the environmental monitoring sensor (101) collects environmental data, sends a data packet containing data collection time and environmental data values to the light emitting device through the digital communication interface, and sends the data packet to the data storage device through the network interface.
(402), the light emitting device (102) receives the data packet through the digital communication interface, and sends out the data acquisition time and the environmental data value through the light emitting element in the form of optical signals, and the system should ensure that the environmental monitoring sensor does not send out a new data packet before the optical signals are sent out, so as to ensure that the data sent by the optical signals and the environmental data sent by the environmental monitoring sensor are synchronized in a communication cycle of the light emitting device.
(403), the camera (103) continuously collects the video comprising the environment monitoring sensor and the light-emitting device, the collected video content comprises the light signal emitted by the light-emitting device, and the camera adds caption information of the video collection time and the collection position to the collected video and compresses the video into a data stream to be sent to the video storage device.
(404) the data storage device (106) receives the data packet of the environmental monitoring sensor and stores the data packet with the receiving time as an index.
(405), the video storage device (105) receives the video data sent by the camera and stores the video data with the receiving time as an index.
(406), the operator accesses the data storage device and the video storage device through the monitoring terminal (107), calls the environment monitoring data and the video data in a certain time period, and verifies whether the environment monitoring data are matched or not according to the video data.
Claims (8)
1. Prevent data manipulation environment monitoring system, its characterized in that: the system comprises at least one environmental monitoring sensor, at least one light-emitting device, at least one camera, at least one data storage device, at least one video storage device, at least one monitoring terminal and a data network;
the environment monitoring sensor, the camera, the data storage device, the video storage device and the monitoring terminal are connected with a data network;
the environment monitoring sensor is used for acquiring environment data, is connected with the light-emitting device through a digital communication interface, is connected with a data network through a network interface, and respectively sends the environment data to the light-emitting device and the data storage equipment through the digital communication interface and the data network;
the light-emitting device receives the environmental data transmitted by the environmental monitoring sensor through the digital communication interface, converts the environmental data into an optical signal and transmits the optical signal, and the environmental monitoring sensor does not transmit new environmental data before the optical signal is transmitted;
the video camera is responsible for video acquisition, the video acquisition range comprises an environment monitoring sensor and a light-emitting device, the acquired video content comprises light signals emitted by the light-emitting device, and the video camera is communicated with the video storage equipment through a data network;
the data storage equipment receives and stores the environmental data sent by the environmental monitoring sensor and provides environmental data query service for the monitoring terminal;
the video storage equipment receives and stores video data sent by the camera and provides video data query service for the monitoring terminal;
the monitoring terminal has the function of simultaneously calling and displaying the environmental data stored in the data storage device and the video data stored in the video storage device, identifies optical signals in the video data to obtain analytic data, compares the environmental data in the same section by taking the analytic data as a basis, and judges that the environmental data are tampered if the data are different.
2. The data tamper resistant environmental monitoring system of claim 1, wherein: the environment monitoring sensor is a digital sensor and has the function of converting environment parameters into digital data.
3. The data tamper resistant environmental monitoring system of claim 1, wherein: the environment monitoring sensor comprises an environment monitoring sensor with a data display screen, and the video content collected by the camera comprises environment data text information displayed by the display screen of the environment monitoring sensor.
4. The data tamper resistant environmental monitoring system of claim 1, wherein: the light-emitting device comprises a light-emitting element, the light-emitting device sends a light signal by controlling the on and off of the light-emitting element, and the interval time of the minimum on and off of the light-emitting element is longer than the interval time of each frame of the video collected by the camera.
5. The data tamper resistant environmental monitoring system of claim 1, wherein: the light-emitting device comprises a visible light-emitting element or an infrared light-emitting element, and when the infrared light-emitting element is used for transmitting a light signal, the camera adopts a camera with an infrared light acquisition function; the visible light emitting elements of the system comprise multi-color light emitting elements, coded by different color combinations.
6. The data tamper resistant environmental monitoring system of claim 1, wherein: the environment monitoring sensor, the camera, the data storage device and the video storage device are all provided with clock modules and have a time recording function; the environment data transmitted by the environment monitoring sensor comprises time information of data acquisition; the camera has a subtitle adding function, and the transmitted video data contains subtitles with video acquisition time and position information. And the data storage device and the video storage device perform index storage on the received data according to the time provided by the clock module.
7. The data tamper resistant environment monitoring system of claim 6, wherein: the system further comprises a time service device, and the time service device is used for uniformly time service the clock modules of the environment monitoring sensor, the camera, the data storage device and the video storage device.
8. The data tamper resistant environmental monitoring system of claim 1, wherein: when the camera outputting the analog signals is adopted, the camera and the video storage device are connected with the video optical transceiver, and the video signals are transmitted through the video optical transceiver and the optical fibers.
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| CN202010282223.7A CN111385539A (en) | 2020-04-11 | 2020-04-11 | Data tampering preventing environment monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115187151A (en) * | 2022-09-13 | 2022-10-14 | 北京锘崴信息科技有限公司 | Emission credibility analysis method and financial information evaluation method based on federal learning |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115187151A (en) * | 2022-09-13 | 2022-10-14 | 北京锘崴信息科技有限公司 | Emission credibility analysis method and financial information evaluation method based on federal learning |
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