CN206557949U - A kind of power plant image-type fire and monitoring temperature detection system - Google Patents
A kind of power plant image-type fire and monitoring temperature detection system Download PDFInfo
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- CN206557949U CN206557949U CN201720240115.7U CN201720240115U CN206557949U CN 206557949 U CN206557949 U CN 206557949U CN 201720240115 U CN201720240115 U CN 201720240115U CN 206557949 U CN206557949 U CN 206557949U
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Abstract
The utility model provides a kind of power plant image-type fire and monitoring temperature detection system, including image fire detection device, composite cable, now cabinet, signal concentrate mainframe and power station closed-circuit TV system, the distribution of image fire detection device is arranged at fire in power plant monitored space, image fire detection device is connected by composite cable with now cabinet respectively, now cabinet concentrates mainframe to be connected through optical cable and AC220V power lines with signal, and signal concentrates mainframe to be also connected with power station closed-circuit TV system.It can not accurately judge the deficiency of the condition of a fire in large space region place to make up traditional point type fire detector and line type fire detector.The utility model belongs to power plant safety monitoring field.
Description
Technical field
The utility model is related to a kind of monitoring information delivery system and method, belongs to hydroelectric power plant security monitoring field.
Background technology
With China's hydraulic power station monitoring and control system development and extensively using and modern communication technology development and popularization, build
Found a set of row and effective fire(Smog, flame)It is one of important topic of hydroelectric power plant with monitoring temperature detection system, tradition
Point type fire detector and line type fire detector in generator floor, turbine oil depot, to go out line platform etc. important and large space
Region place can not accurately judge the condition of a fire, there is wretched insufficiency.
The content of the invention
The purpose of this utility model is:A kind of power plant image-type fire and monitoring temperature detection system are provided, with more
The traditional point type fire detector of benefit and line type fire detector can not accurately judge the deficiency of the condition of a fire in large space region place.
To solve the above problems, intend using such a power plant image-type fire and monitoring temperature detection system, including
Image fire detection device, now composite cable, cabinet, signal concentration mainframe and power station closed-circuit TV system, image fire are visited
Survey device distribution and be arranged at fire in power plant monitored space, image fire detection device is connected by composite cable with now cabinet respectively,
Now cabinet concentrates mainframe to be connected through optical cable and AC220V power lines with signal, signal concentration mainframe also with power station industrial electro
Viewing system is connected.
In foregoing monitoring detection system, image fire detection device is AE900 image fire detection devices, image fire detection device
The central warehouse of power plant, generator floor, GIS rooms, oil purification room, inlet passage, a small bay in a river green grass or young crops is respectively arranged to go out line platform, a small bay in a river Huang and go out
Distinguish at line platform, draft tube deck and dam, and central warehouse, generator floor, GIS rooms, inlet passage, draft tube deck and dam
It is provided with two image fire detection devices;
In foregoing monitoring detection system, signal is concentrated in mainframe and is provided with Ethernet switch, encoder and optical transmitter and receiver
And supply unit, encoder is connected with Ethernet switch and optical transmitter and receiver and supply unit respectively, and power station closed-circuit TV system
It is connected with Ethernet switch, now cabinet is connected with optical transmitter and receiver and supply unit respectively through optical cable and AC220V power lines;
In foregoing monitoring detection system, also include automatic fire alarm system switch board, automatic fire alarm system control
Cabinet processed concentrates the encoder in mainframe to be connected with signal;
In foregoing monitoring detection system, the composite cable is made up of video line, DC24V power lines and linkage cable.
Compared with prior art, the advantage of the system is as follows:
The image-type fire detector that Sha Tuo power plants are used, belongs to intelligent fire detection equipment, it has flame spy
Brake, it is made up of near-infrared and colour TV camera, can be by the near-infrared video collected picture signal/color video frequency image
Signal sends information processing host to, detection and picture control is organically combined.Flame visible light part is entered
Row analysis judges that timely, accurate positioning of alarming, rate of false alarm are low.Accurate judgement is made to the condition of a fire under various complex environments, together
When provide video, network, three kinds of type of alarms of switching value, can all kinds of fire alarm systems of flexible access, especially to tall and big, spaciousness
The monitoring in space, to meet different places needs, improves power plant warning function, accident is minimized;
The alarm relay output signal of detector is connected by input module with conventional fire detection alarm system, with more
The traditional point type fire detector of benefit and this kind of place of line type fire detector can not accurately judge the deficiency of the condition of a fire.Image-type fire
Fire detector possesses the detectivity of room and time resolution ratio, can be from different perspectives(The optical characteristics of flame, shape, jump
Dynamic frequency, variation tendency etc.)Comprehensive analysis and judgement are carried out, real flame and its interference source is distinguished.
Brief description of the drawings
Fig. 1 is system construction drawing of the present utility model.
Embodiment
, below will be by accompanying drawing to utility model to make the purpose of this utility model, technical scheme and advantage clearer
It is described in further detail.
Embodiment:
Referring to the drawings 1, by taking the image-type fire spy system that Sha Tuo power plants are used as an example, the system includes image fire and visited
Survey device 1, composite cable 2, now cabinet 3, signal concentrate mainframe 4 and power station closed-circuit TV system 5, image fire detection device 1
For AE900 image fire detection devices, in-site installation image fire detection device 1 totally 15 is respectively arranged in central warehouse 2, hair
2, motor layer, GIS rooms 2, oil purification room 1, inlet passage 2, a small bay in a river green grass or young crops goes out line platform 1, and a small bay in a river Huang goes out line platform 1, tail
Horizontal stand 2,2, dam.
Image fire detection device 1 is connected by composite cable 2 with now cabinet 3 respectively, composite cable 2 by video line,
DC24V power lines and linkage cable are constituted, and now cabinet 3 concentrates mainframe 4 to be connected through optical cable and AC220V power lines with signal,
Signal concentrates mainframe 4 to be also connected with power station closed-circuit TV system 5.
Signal is concentrated in mainframe 4 and is provided with Ethernet switch 41, encoder 42 and optical transmitter and receiver and supply unit 43, compiles
Code device 42 is connected with Ethernet switch 41 and optical transmitter and receiver and supply unit 43 respectively, and power station closed-circuit TV system 5 and ether
Network switch 41 is connected, and now cabinet 3 is connected with optical transmitter and receiver and supply unit 43 respectively through optical cable and AC220V power lines, and calamity is certainly
Dynamic warning system switch board 6 concentrates the encoder 42 in mainframe 4 to be connected with signal, and the system is by setting special equipment case real
The distribution of existing power supply is powered, and its video image uses MODBUS communication modes, passes through optical transmitter and receiver, Ethernet switch, encoder
Carry out data transmission with optical fiber with fire-fighting system, industrial television, computer supervisory control system.
The image-type fire detector that Sha Tuo power plants are used, belongs to intelligent fire detection equipment, it has flame spy
Brake, it is made up of near-infrared and colour TV camera, can be by the near-infrared video collected picture signal/color video frequency image
Signal sends information processing host to, detection and picture control is organically combined.Flame visible light part is entered
Row analysis judges that timely, accurate positioning of alarming, rate of false alarm are low.Accurate judgement is made to the condition of a fire under various complex environments, together
When provide video, network, three kinds of type of alarms of switching value, can all kinds of fire alarm systems of flexible access, especially to tall and big, spaciousness
The monitoring in space, to meet different places needs, improves power plant warning function, accident is minimized.
Claims (5)
1. a kind of power plant image-type fire and monitoring temperature detection system, it is characterised in that:Including image fire detection device
(1), composite cable(2), existing cabinet(3), signal concentrate mainframe(4)With power station closed-circuit TV system(5), the spy of image fire
Survey device(1)Distribution is arranged at fire in power plant monitored space, image fire detection device(1)Pass through composite cable respectively(2)With existing ground machine
Case(3)It is connected, now cabinet(3)Through optical cable and AC220V power lines mainframe is concentrated with signal(4)It is connected, signal concentrates master
Rack(4)Also with power station closed-circuit TV system(5)It is connected.
2. a kind of power plant image-type fire and monitoring temperature detection system according to claim 1, it is characterised in that:Image
Fire detector(1)For AE900 image fire detection devices, image fire detection device(1)Be respectively arranged at power plant central warehouse,
Generator floor, GIS rooms, oil purification room, inlet passage, a small bay in a river green grass or young crops go out line platform, a small bay in a river Huang and go out line platform, draft tube deck and dam, and
Two image fire detection devices are respectively arranged with central warehouse, generator floor, GIS rooms, inlet passage, draft tube deck and dam
(1).
3. a kind of power plant image-type fire and monitoring temperature detection system according to claim 1, it is characterised in that:Signal
Concentrate mainframe(4)Inside it is provided with Ethernet switch(41), encoder(42)With optical transmitter and receiver and supply unit(43), encoder
(42)Respectively with Ethernet switch(41)With optical transmitter and receiver and supply unit(43)It is connected, and power station closed-circuit TV system(5)With
Ethernet switch(41)It is connected, now cabinet(3)Through optical cable and AC220V power lines respectively with optical transmitter and receiver and supply unit
(43)It is connected.
4. a kind of power plant image-type fire and monitoring temperature detection system according to claim 3, it is characterised in that:Also wrap
Automatic fire alarm system switch board is included(6), automatic fire alarm system switch board(6)Mainframe is concentrated with signal(4)It is interior
Encoder(42)It is connected.
5. a kind of power plant image-type fire and monitoring temperature detection system according to claim 3, it is characterised in that:It is described
Composite cable(2)It is made up of video line, DC24V power lines and linkage cable.
Priority Applications (1)
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CN201720240115.7U CN206557949U (en) | 2017-03-13 | 2017-03-13 | A kind of power plant image-type fire and monitoring temperature detection system |
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CN201720240115.7U CN206557949U (en) | 2017-03-13 | 2017-03-13 | A kind of power plant image-type fire and monitoring temperature detection system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106683324A (en) * | 2017-03-13 | 2017-05-17 | 贵州乌江水电开发有限责任公司沙沱发电厂 | Power plant image type fire and temperature surveillance detection system |
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2017
- 2017-03-13 CN CN201720240115.7U patent/CN206557949U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106683324A (en) * | 2017-03-13 | 2017-05-17 | 贵州乌江水电开发有限责任公司沙沱发电厂 | Power plant image type fire and temperature surveillance detection system |
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