CN102118603A - Safety supervision prewarning device using analog quantity and media stream superimposing technique - Google Patents

Safety supervision prewarning device using analog quantity and media stream superimposing technique Download PDF

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Publication number
CN102118603A
CN102118603A CN2009102157355A CN200910215735A CN102118603A CN 102118603 A CN102118603 A CN 102118603A CN 2009102157355 A CN2009102157355 A CN 2009102157355A CN 200910215735 A CN200910215735 A CN 200910215735A CN 102118603 A CN102118603 A CN 102118603A
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CN
China
Prior art keywords
analog
hard disk
media stream
video recorder
safety supervision
Prior art date
Application number
CN2009102157355A
Other languages
Chinese (zh)
Inventor
姚薇
汤林
Original Assignee
上海遥薇实业有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 上海遥薇实业有限公司 filed Critical 上海遥薇实业有限公司
Priority to CN2009102157355A priority Critical patent/CN102118603A/en
Publication of CN102118603A publication Critical patent/CN102118603A/en

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Abstract

The invention relates to a safety supervision prewarning device using an analog quantity and media stream superimposing technique, which comprises a monitoring center, a digital acquisition board, a network file VCR (video cassette recorder) and a sensor, wherein the digital acquisition board is provided with an AD (analog digital) converter module; the sensor transmits the acquired analog quantity to the AD converter module, the AD converter module converts the analog quantity to digital quantity and transmits the digital quantity to the network file VCR through an RS 232 serial port, and the network file VCR transmits the digital quantity to the monitoring center through Ethernet. Compared with the prior art, the safety supervision prewarning device in the invention has the advantages of enhancing the efficiency and capability of enterprises for acquiring and processing hazard information resources, especially information related to safety, lowering the accident risks to a certain extent and the like.

Description

A kind of safety supervision prior-warning device that utilizes analog quantity and Media Stream superimposing technique
Technical field
The present invention relates to a kind of monitoring early-warning device, especially relate to a kind of safety supervision prior-warning device that utilizes analog quantity and Media Stream superimposing technique.
Background technology
The alleged major hazard source of this paper, be meant chronically or provisionally produce, carry, use or storing dangerous article, and the quantity of dangerous goods equals or exceeds the unit (comprising place and facility) of critical quantity.Common major hazard source has basin district (basin); Reservoir area (storehouse); The production place; Penstock; Boiler; Pressure vessel; The metal and nonmetal underground mine; Mine tailing storehouse etc.
More than various occasions production environment condition harshness not only, and be round-the-clock working continuously.The inflammable, explosive, poisonous harmful substance quantity of production accumulating is big, and it is wide to distribute, and the production technology of use is strongly professional, and device category is various, constitutes a large amount of dangerous matter sources, and the accident risk height, and consequence harm is serious.Safety in production directly influences the normal operation of enterprise production and management activity, is related to the survival and development of enterprise, is the lifeline of enterprise, and is significant.Engineering both domestic and external and managerial experiences show, management and the monitoring strengthened dangerous matter sources with latent defect risk are the effective means and the only way of prevention and control major accident.
In recent years, the many enterprises of China have all built up the production control system of oneself in succession, but the information-based process of safety production monitoring and supervision obviously lags behind, and many enterprises also do not set up safety monitoring early warning information platform, and the technical merit of safety guarantee and safety management is not high.The expansion of the expansion of industry size and operation region makes the traditional paper substrate data of China add that the dangerous matter sources management of labor management and on-the-spot simple instrument add manual operation and the gathering station mode of operation of patrolling and examining can't satisfy the needs of severe day by day safety in production, and lacking advanced reliable dangerous matter sources monitoring early warning and safety system and production safety management information system has become the significant problem that influences the enterprise security production work.
Summary of the invention
Purpose of the present invention is exactly the safety supervision prior-warning device that utilizes analog quantity and Media Stream superimposing technique that provides a kind of remote real-time monitoring for the defective that overcomes above-mentioned prior art existence, reduces accident risk.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of safety supervision prior-warning device that utilizes analog quantity and Media Stream superimposing technique, it is characterized in that, this device comprises Surveillance center, digital collection plate, network hard disk video recorder, transducer, described digital collection plate is provided with the AD modular converter, described transducer is transferred to the AD modular converter with the analog quantity that collects, this AD modular converter is converted to digital quantity with analog quantity, and being transferred to network hard disk video recorder by the RS232 serial ports, network hard disk video recorder is transferred to Surveillance center with it by Ethernet.
Described network hard disk video recorder is provided with screen input module, audio frequency input module, screen compression module, audio compression module, and the screen signal is imported by the screen input module, and by the compression of screen compression module; Audio signal is imported by the audio frequency input module, and compresses by the audio compression module; Compressed screen signal, audio signal generate compound code stream, and this code stream is transferred to Surveillance center by Ethernet and carries out playback.
Described digital collection plate adopts standard 4-20mA current analog amount collection plate.
Described transducer comprises temperature sensor, liquid level sensor, pressure sensor, flow sensor, combustable gas concentration transducer.
Described network hard disk video recorder is provided with the switching value input/output module.
Described network hard disk video recorder is provided with LCD, and the analog quantity of sensor acquisition is given network hard disk video recorder by the RS485 port transmission, and carries out this locality demonstration by LCD.
Compared with prior art, the present invention has the following advantages:
1, promoted efficient and the ability of enterprise in the collection and the processing of danger sources information resource especially security related information, reduce accident risk to a certain extent, the help related personnel in time finds abnormality and the hazard event in the production process, comprise pilferage, destroy production facility, controlled dangerous matter sources is overflowed etc., and assist the generation of its inhibition accident of adopting an effective measure, auxiliary emergency management and rescue decision-making and commander help the reason of investigating thoroughly that accident responsibility and accident take place;
2, be convenient to strengthen personnel's safety management;
3, help strengthening the management of enterprise's dangerous matter sources and key equipment, improve the science of enterprise security manager;
4, by systems connection, can realize remote real-time monitoring.
Description of drawings
Fig. 1 is a kind of structural representation that utilizes the safety supervision prior-warning device of analog quantity and Media Stream superimposing technique of the present invention.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment
As shown in Figure 1, a kind of safety supervision prior-warning device that utilizes analog quantity and Media Stream superimposing technique, this device comprises Surveillance center 4, digital collection plate 2, network hard disk video recorder 1, transducer 3, described digital collection plate 2 is provided with the AD modular converter, described transducer 3 is transferred to the AD modular converter with the analog quantity that collects, this AD modular converter is converted to digital quantity with analog quantity, and being transferred to network hard disk video recorder 1 by the RS232 serial ports, network hard disk video recorder 1 is transferred to Surveillance center 4 with it by Ethernet 9.On this basis, can gather, transmit and handle field data, in the dynamic in real time and visualization display of Surveillance center's 4 realization running statuses, the real-time and historical data base of exploitation, realization data query, Intelligent treatment and statistical analysis group financial statements and technique chart output.Realize functions such as equipment control, data filing record and system journal, analyze record trouble and downtime etc.
Described network hard disk video recorder 1 is integrated with screen input module 5, audio frequency input module 6, screen compression module, audio compression module, and the screen signal is imported by screen input module 5, and by the compression of screen compression module; Audio signal is imported by audio frequency input module 6, and compresses by the audio compression module; Compressed screen signal, audio signal generate compound code stream, and this code stream is transferred to Surveillance center 4 by Ethernet 9 and carries out playback.Screen input module 5 is supported the input of 8 road PAL/NTSC standard video signals, and the screen compression module adopts H.264 video compression technology to the separate hardware compression of real-time per second 25/30 frame in every road, supports encoding rate, becomes frame per second; Can set the compressed bit stream of video image quality and video image.The support video parameter dynamically arranges, playback resolution CIF and QCIF resolution, multizone mobile detection; Support OSD, digital watermark; Support the Long-distance Control image splitter, hardware interlink warning function, scene reset function.Audio frequency input module 6 is supported the input of 4 tunnel audio signals, the audio compression module is to audio signal independence Real Time Compression, adopt the OggVorbis audio compress standard, compression bit rate is 16Kbps, video and audio signal compression back generates compound H.264 code stream, and video and audio frequency keep synchronously during the code stream playback.Voice Surveillance is realized the affairs such as daily contact, production scheduling commander and warning of compartment for crew mainly by setting up explosion-proof phone in each key job district.
Described digital collection plate 2 adopts standard 4-20mA current analog amount collection plate.
Described transducer 3 comprises temperature sensor, liquid level sensor, pressure sensor, flow sensor, combustable gas concentration transducer.
Described network hard disk video recorder is provided with the switching value input/output module.
Described network hard disk video recorder 1 is integrated with LCD7, and the analog quantity that transducer 3 is gathered is given network hard disk video recorder 1 by the RS485 port transmission, and carries out this locality demonstration by LCD7.

Claims (6)

1. safety supervision prior-warning device that utilizes analog quantity and Media Stream superimposing technique, it is characterized in that, this device comprises Surveillance center, digital collection plate, network hard disk video recorder, transducer, described digital collection plate is provided with the AD modular converter, described transducer is transferred to the AD modular converter with the analog quantity that collects, this AD modular converter is converted to digital quantity with analog quantity, and being transferred to network hard disk video recorder by the RS232 serial ports, network hard disk video recorder is transferred to Surveillance center with it by Ethernet.
2. a kind of safety supervision prior-warning device that utilizes analog quantity and Media Stream superimposing technique according to claim 1, it is characterized in that, described network hard disk video recorder is provided with screen input module, audio frequency input module, screen compression module, audio compression module, the screen signal is imported by the screen input module, and by the compression of screen compression module; Audio signal is imported by the audio frequency input module, and compresses by the audio compression module; Compressed screen signal, audio signal generate compound code stream, and this code stream is transferred to Surveillance center by Ethernet and carries out playback.
3. a kind of safety supervision prior-warning device that utilizes analog quantity and Media Stream superimposing technique according to claim 1 is characterized in that, described digital collection plate adopts standard 4-20mA current analog amount collection plate.
4. a kind of safety supervision prior-warning device that utilizes analog quantity and Media Stream superimposing technique according to claim 1, it is characterized in that described transducer comprises temperature sensor, liquid level sensor, pressure sensor, flow sensor, combustable gas concentration transducer.
5. a kind of safety supervision prior-warning device that utilizes analog quantity and Media Stream superimposing technique according to claim 1 is characterized in that described network hard disk video recorder is provided with the switching value input/output module.
6. a kind of safety supervision prior-warning device that utilizes analog quantity and Media Stream superimposing technique according to claim 1, it is characterized in that, described network hard disk video recorder is provided with LCD, the analog quantity of sensor acquisition is given network hard disk video recorder by the RS485 port transmission, and carries out this locality demonstration by LCD.
CN2009102157355A 2009-12-31 2009-12-31 Safety supervision prewarning device using analog quantity and media stream superimposing technique CN102118603A (en)

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Application Number Priority Date Filing Date Title
CN2009102157355A CN102118603A (en) 2009-12-31 2009-12-31 Safety supervision prewarning device using analog quantity and media stream superimposing technique

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CN102118603A true CN102118603A (en) 2011-07-06

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CN105046874A (en) * 2015-07-07 2015-11-11 合肥指南针电子科技有限责任公司 Police prison intelligent video monitoring system
CN107659785A (en) * 2017-09-21 2018-02-02 辽宁石油化工大学 A kind of hazardous chemical major hazard source gathers monitoring system

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Publication number Priority date Publication date Assignee Title
CN105046874A (en) * 2015-07-07 2015-11-11 合肥指南针电子科技有限责任公司 Police prison intelligent video monitoring system
CN105046874B (en) * 2015-07-07 2018-05-15 合肥指南针电子科技有限责任公司 A kind of intelligent screen monitoring system of public security prison institute
CN107659785A (en) * 2017-09-21 2018-02-02 辽宁石油化工大学 A kind of hazardous chemical major hazard source gathers monitoring system

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