CN103700230A - Transmission method and system of intrusion alarm circuit - Google Patents
Transmission method and system of intrusion alarm circuit Download PDFInfo
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- CN103700230A CN103700230A CN201310613137.XA CN201310613137A CN103700230A CN 103700230 A CN103700230 A CN 103700230A CN 201310613137 A CN201310613137 A CN 201310613137A CN 103700230 A CN103700230 A CN 103700230A
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Abstract
The invention relates to a circuit transmission mode of an intrusion alarm system, an alarm linkage mode and a corresponding system structure. The system comprises an optical transmission device, a signal distributor, a front interface, an alarm controller and the like. The transmission mode comprises the steps of directly transmitting filed intrusion alarm signals (switching value signals) to a control center through the optical transmission device, and dividing the alarm signals into two paths through the alarm signal distributor in the control center, wherein one path of the alarm signals are sent to a coding module of the alarm controller and used for giving an alarm through an intrusion alarm system, and the other path of the alarm signals are sent to a linkage alarm module through the front interface, and used for being linked with a camera or other recheck equipment of a video monitoring system and rechecking and confirming the alarm. The system can not only effectively improve the response time of intrusion alarm, but also shortens the alarm rechecking time, is convenient for guard personnel to ascertain outside intrusion as soon as possible, and gains more response time for response force.
Description
Technical field
The present invention relates to intrusion alarm system technical field, relate in particular to a kind of nuclear power plant intrusion alarm system circuit transmission mode and alarm linkage mode.
Background technology
Intrusion alarm system is an important component part of nuclear power plant's physical protection system, is the peripheral system of whole physical protection system.For the illegal invasion in the external world, first start from intrusion alarm system.It is the key point that prevents outside invading.The final goal of setting up this system is to find out as early as possible boundary's invasion, for response strength wins the more response time.Its major function comprises:
1, the intrusion behavior occurring in timely detection alarm defence area, and reduce as much as possible false alarm and noise warning.
2, alerting signal is passed in time back to the alarm controller of control center, trigger alarm,
3,, by interface linkage video matrix, at the image of control center or relevant position switching warning field camera, for Security Services, confirm to report to the police.
How rapidly alerting signal to be delivered to alarm controller, realize and alarm.Intrusion alarm system is set up pattern and is conventionally divided into separated time system, bus system, wireless system, four kinds of modes of public network.
Separated time system: detector, emergency alarm device adopt special line to be one to one connected by between polycore cable and alarm controller main frame.
Bus system: detector, emergency alarm device adopt warning bus (special line) to be connected by between its corresponding coding module and alarm controller main frame.
Wireless system: detector, emergency alarm device are by its corresponding wireless device and controlling alarm host communication, and the emergency alarm device in one of them defence area must not be greater than 4.
Public network: detector, emergency alarm device adopt public network to be connected by onsite alarming opertaing device and/or Internet Transmission access device with alarm controller main frame.Public network can be cable network, can be also wireless network, can be also wireline-wireless-cable network
Owing to being subject to, plant area of nuclear power plant area is large, and protection domain is wide, and the some position of detection alarm is many, the combined influence of the factors such as the electromagnetic environment complexity of nuclear power plant, and the transmission mode of four kinds of conventional alerting signals all exists like this or what kind of shortcoming.As:
Separated time system: time of fire alarming is short, but construction costs total expenses is high.
Bus system: alarm time is long.
Wireless system: power plant's electromagnetic environment is complicated, and wireless signal is subject to external interference, poor stability.
Public network: nuclear power plant is without public network, and intrusion alarm equipment is widely distributed simultaneously, and scene does not satisfy the requirements.
Summary of the invention
The object of the present invention is to provide a kind of transmission method and system of new intrusion alarm circuit, meeting code requirement, guaranteeing under the prerequisite of intrusion alarm system various functions, improve the response time of warning and the time of alarming check.
For achieving the above object, the technical solution used in the present invention is:
A kind of transmission method of intrusion alarm circuit, by on-the-spot intrusion alarm signal is directly transferred to control center through optical transmission device, in control center, by alerting signal divider, alerting signal is divided into two, the coding module that alarm controller is delivered on one road, sends warning for intrusion alarm system; The front interface of separately leading up to is delivered to interlink warning module, for the video camera of cooperative video monitoring system or other, checks equipment, to reporting to the police, checks and confirms.
Further, the transmission method of intrusion alarm circuit as above, wherein, described on-the-spot intrusion alarm signal is switching value signal, through utilizing emitted light terminal, transfer light signal to, by optical cable, carry out signal transmission, then transfer alerting signal to electric signal by receiving optical transmitter and receiver, transfer to the alerting signal divider that is located at control center.
A transmission system for intrusion alarm circuit, comprising:
Alerting signal optical transmitter and receiver, for directly passing control center back front end intrusion alarm signal;
Alerting signal divider, for alerting signal is divided into two, a road is for accessing the addressing module of bus alarm controller processed, and another road is connected to the front interface of interlink warning equipment, for alarming check;
Alarm controller, coding module, supervisory keyboard, for processing, the control and management of alerting signal;
Front interface, the alerting signal transferring for receiving signal distributor, interlock relevant device carries out alarming check.
Further, the transmission system of intrusion alarm circuit as above, also comprises:
Interface, as the backup of front interface, delivers to alarm linkage equipment by the alerting signal that alarm controller is sent, as the backup measure of alarming check.
Further, the transmission system of intrusion alarm circuit as above, wherein, described coding module and alarm controller are arranged on control center simultaneously, thereby shorten the bus communication distance between alarm controller and coding module.
Further, the transmission system of intrusion alarm circuit as above, wherein, is also provided with acoustic-optic indicator keyboard, alarm logging device, for implementing management, processing and the record to alerting signal.
Beneficial effect of the present invention is as follows: the transmission method of intrusion alarm circuit provided by the present invention and system, extended the transmission range of front end detector alarm signal, reduced the bus communication distance of alarm host machine to ZEM, having reduced links checks the transmission link of interface, not only improved the response time of alarm host machine, also improved the response time of alarming check simultaneously, be convenient to Security Services and find out early outside invading, for response strength wins the more response time.
Accompanying drawing explanation
Fig. 1 is intrusion alarm signal transmission of the present invention and interlink warning schematic diagram.
In figure: 1, detector; 2, emergency alarm device; 3, utilizing emitted light terminal; Receive optical transmitter and receiver; 5, alerting signal divider; 6, coding module; 11, alarm controller; 12, supervisory keyboard; 13, interface; 14, front interface; 15, acoustic-optic indicator keyboard; 16, alarm logging device.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
The transmission method of intrusion alarm circuit provided by the present invention, by directly transferring to control center on-the-spot intrusion alarm signal through optical transmission device.On-the-spot intrusion alarm signal is switching value signal, through utilizing emitted light terminal, transfers light signal to, by optical cable, carries out signal transmission, then transfers alerting signal to electric signal by receiving optical transmitter and receiver, transfers to the alerting signal divider that is located at control center.In control center, by alerting signal divider, alerting signal is divided into two, the coding module that alarm controller is delivered on a road, sends warning for intrusion alarm system; The front interface of separately leading up to is delivered to interlink warning module, for the video camera of cooperative video monitoring system or other, checks equipment, to reporting to the police, checks and confirms.
Owing to adopting optical communication technique, electric signal is transferred to light signal, not only greatly extended the transmission range of alerting signal, also can realize simultaneously and on a light core, transmit multichannel intrusion alarm signal simultaneously.
The system architecture that realizes this transmission method comprises that following hardware forms:
1, alerting signal optical transmitter and receiver
Alerting signal optical transmitter and receiver can transmit multichannel intrusion alarm signal simultaneously, has solved bus alarm controller processed in traditional mode and addressing module must be positioned over to the mode of on-the-spot access alerting signal.By optical transmitter and receiver, intrusion alarm signal (switching value signal) is transferred to light signal by electric signal, theory unlimited has extended the transmission range of intrusion alarm signal, simultaneously by optical transmitter and receiver, realizes and in a light core, transmits the function of multiple alarm signal simultaneously.By optical transmitter and receiver solved that nuclear power plant's Intrusion Detection Alarm equipment point is many, line length, wide factory site environmental quality.
2, alerting signal divider
Alerting signal divider is for being divided into two switching value alerting signal (or one be divided into many), and it is one of important component part of front interface.
3, addressing module and alarm controller
By alarm controller and addressing module are arranged on to the control center of rear end simultaneously, shortened the bus communication distance of alarm host machine to ZEM, improved the speed of bus poll, reduced the response time of alerting signal.
4, supervisory keyboard, acoustic-optic indicator keyboard and alarm logging device
Supervisory keyboard, acoustic-optic indicator keyboard and alarm logging device are for implementing management, processing and the record to alerting signal.
5, front interface
By front interface, directly receive the alerting signal of being sent here by front end detector, reduced the transmission link of alerting signal, shortened the transmission time of alerting signal to alarming check equipment.
6, interface
Alerting signal alarm controller being sent by interface is delivered to alarm linkage equipment, for alarming check (as the backup of front interface).
As shown in Figure 1, by presence detector 1 and emergency alarm device 2, send intrusion alarm signal (switching value alerting signal) and by cable, be connected to the utilizing emitted light terminal 3 arranging at the scene, by utilizing emitted light terminal 3, transfer light signal to, utilize optical cable to carry out signal transmission, by receiving optical transmitter and receiver 4, change into again electric signal endways, be connected to the alerting signal divider 5 that is located at control center.Alerting signal divider 5 is divided into two tunnels receiving alerting signal, and a road is connected to coding module 6.Coding module 6, by alerting signal being connected to alarm controller 11, is implemented the management of alerting signal, processing and record by supervisory keyboard 12, acoustic-optic indicator keyboard 15, alarm logging device 16.Another road alerting signal is connected to front interface 14, and directly interlink warning is checked equipment, the backup as front interface 14 by interface 13 simultaneously.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technology thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (6)
1. the transmission method of an intrusion alarm circuit, it is characterized in that, by on-the-spot intrusion alarm signal is directly transferred to control center through optical transmission device, in control center, by alerting signal divider, alerting signal is divided into two, the coding module that alarm controller is delivered on one road, sends warning for intrusion alarm system; The front interface of separately leading up to is delivered to interlink warning module, for the video camera of cooperative video monitoring system or other, checks equipment, to reporting to the police, checks and confirms.
2. the transmission method of intrusion alarm circuit as claimed in claim 1, it is characterized in that, described on-the-spot intrusion alarm signal is switching value signal, through utilizing emitted light terminal, transfer light signal to, by optical cable, carry out signal transmission, by receiving optical transmitter and receiver, transfer alerting signal to electric signal again, transfer to the alerting signal divider that is located at control center.
3. a transmission system for intrusion alarm circuit, is characterized in that, comprising:
Alerting signal optical transmitter and receiver, for directly passing control center back front end intrusion alarm signal;
Alerting signal divider, for alerting signal is divided into two, a road is for accessing the addressing module of bus alarm controller processed, and another road is connected to the front interface of interlink warning equipment, for alarming check;
Alarm controller, coding module, supervisory keyboard, for processing, the control and management of alerting signal;
Front interface, the alerting signal transferring for receiving signal distributor, interlock relevant device carries out alarming check.
4. the transmission system of intrusion alarm circuit as claimed in claim 3, is characterized in that, also comprises:
Interface, as the backup of front interface, delivers to alarm linkage equipment by the alerting signal that alarm controller is sent, as the backup measure of alarming check.
5. the transmission system of the intrusion alarm circuit as described in claim 3 or 4, is characterized in that, described coding module and alarm controller are arranged on control center simultaneously, thereby shortens the bus communication distance between alarm controller and coding module.
6. the transmission system of the intrusion alarm circuit as described in claim 3 or 4, is characterized in that, is also provided with acoustic-optic indicator keyboard, alarm logging device, for implementing management, processing and the record to alerting signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310613137.XA CN103700230A (en) | 2013-11-27 | 2013-11-27 | Transmission method and system of intrusion alarm circuit |
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| CN201310613137.XA CN103700230A (en) | 2013-11-27 | 2013-11-27 | Transmission method and system of intrusion alarm circuit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104243917A (en) * | 2014-09-02 | 2014-12-24 | 佛山市新东方电子技术工程有限公司 | Video monitoring device alarm protecting and monitoring system and control method thereof |
| CN104700585A (en) * | 2014-12-31 | 2015-06-10 | 大亚湾核电运营管理有限责任公司 | Cross-base nuclear power plant alarm linkage method and device |
| CN104700535A (en) * | 2014-12-31 | 2015-06-10 | 大亚湾核电运营管理有限责任公司 | Video review alarm method and device for illegal invasion of nuclear power plant |
| CN109035728A (en) * | 2018-09-11 | 2018-12-18 | 厦门立林科技有限公司 | A kind of anti-camouflage formula intrusion alarm system |
| CN109410592A (en) * | 2018-11-20 | 2019-03-01 | 武汉兰芯数据定向传媒有限公司 | A kind of intelligent vehicle dynamic monitoring management system |
| CN112466085A (en) * | 2020-11-30 | 2021-03-09 | 中国核电工程有限公司 | Security protection intelligent comprehensive study and judgment system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104243917A (en) * | 2014-09-02 | 2014-12-24 | 佛山市新东方电子技术工程有限公司 | Video monitoring device alarm protecting and monitoring system and control method thereof |
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| CN104700535A (en) * | 2014-12-31 | 2015-06-10 | 大亚湾核电运营管理有限责任公司 | Video review alarm method and device for illegal invasion of nuclear power plant |
| CN104700585B (en) * | 2014-12-31 | 2018-04-27 | 大亚湾核电运营管理有限责任公司 | A kind of nuclear power plant's alarm linkage method and device across base |
| CN104700535B (en) * | 2014-12-31 | 2018-09-28 | 大亚湾核电运营管理有限责任公司 | A kind of video for illegal invasion nuclear power plant checks alarm method and device |
| CN109035728A (en) * | 2018-09-11 | 2018-12-18 | 厦门立林科技有限公司 | A kind of anti-camouflage formula intrusion alarm system |
| CN109410592A (en) * | 2018-11-20 | 2019-03-01 | 武汉兰芯数据定向传媒有限公司 | A kind of intelligent vehicle dynamic monitoring management system |
| CN112466085A (en) * | 2020-11-30 | 2021-03-09 | 中国核电工程有限公司 | Security protection intelligent comprehensive study and judgment system and method |
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Application publication date: 20140402 |
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