CN204307258U - Tunnel fire protection pipeline electric tracing thermal insulation control system - Google Patents
Tunnel fire protection pipeline electric tracing thermal insulation control system Download PDFInfo
- Publication number
- CN204307258U CN204307258U CN201420769596.7U CN201420769596U CN204307258U CN 204307258 U CN204307258 U CN 204307258U CN 201420769596 U CN201420769596 U CN 201420769596U CN 204307258 U CN204307258 U CN 204307258U
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- CN
- China
- Prior art keywords
- electric tracing
- tunnel
- pump house
- electric
- fire protection
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- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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Abstract
The utility model is the centralized control system of the electric tracing thermal insulation of a kind of tunnel fire protection pipeline, comprise and be arranged in some electric tracing loops in tunnel on fire protection pipeline and some temperature sensors, the signal output part of described temperature sensor connects the signal input part being positioned at the electric tracing temperature controller in tunnel, the control end connection control switch of described electric tracing temperature controller, described gauge tap controls the closed and disconnected in electric tracing loop; Described electric tracing temperature controller adopts the outlet of RS485 serial ports to connect the input of tunneling data optical transmitter and receiver, described tunneling data optical transmitter and receiver connects pump house data optical receiver one to one by 1 core fibre, described pump house data optical receiver is connected pump house monitoring PLC by serial server with Ethernet switch, and described pump house monitoring PLC is by the state of network control gauge tap; Described Ethernet switch connects tunnel Surveillance center of electric substation, and described tunnel Surveillance center of electric substation is by the state of network control gauge tap.
Description
Technical field
The utility model relates to control system, is specially the centralized control system of the electric tracing thermal insulation of a kind of freeway tunnel fire protection pipeline and pump house equipment.
Background technology
Along with the raising of road quality classification, construction scale and the technical difficulty of roads and tunnels strengthen thereupon.At the northern area that China is vast, winter environment temperature is usually under freezing point, even lower than-30 DEG C, therefore the water to the long period in vcehicular tunnel is in the fire protection pipeline of relative static conditions is needed to carry out antifreeze process, to prevent from making fire-fighting system at a standstill because there is frozen block phenomenon.For a long time, the heat-preserving anti-freezing of northern area in winter tunnel fire protection pipeline is a great problem, and electric tracer heating system solves this difficult problem preferably.But, in the tunnel runed, because winter is too cold, and field operator is unfamiliar with electric tracer heating system, control system is unstable, causes a lot of frost crack pipe, the existing requirement according to freeway tunnel operation management station, electric tracing thermal insulation needs to realize the control of local automatic, Non-follow control, pump house centralized Control and Surveillance center's remote control tertiary structure, is necessary to design tunnel fire protection pipeline electric tracing centralized control system.
Summary of the invention
Existing electric tracer heating system classical control system can't solve frost crack pipe problem very well, now according to the requirement at freeway tunnel operation management station, the utility model provides a kind of tunnel fire protection pipeline electric tracing centralized control system, realize local automatically, the control of Non-follow control, pump house centralized Control and Surveillance center's remote control tertiary structure.
The utility model adopts following technical scheme to realize:
A kind of tunnel fire protection pipeline electric tracing thermal insulation control system, comprise and be arranged in some electric tracing loops in tunnel on fire protection pipeline and some temperature sensors, the signal output part of described temperature sensor connects the signal input part being positioned at the electric tracing temperature controller in tunnel, the control end connection control switch of described electric tracing temperature controller, described gauge tap controls the closed and disconnected in electric tracing loop; Described electric tracing temperature controller adopts the outlet of RS485 serial ports to connect the input of tunneling data optical transmitter and receiver, described tunneling data optical transmitter and receiver connects pump house data optical receiver one to one by 1 core fibre, described pump house data optical receiver is connected pump house monitoring PLC by serial server with Ethernet switch, and described pump house monitoring PLC is by the state of network control gauge tap; Described Ethernet switch connects tunnel Surveillance center of electric substation, and described tunnel Surveillance center of electric substation is by the state of network control gauge tap.
Tunnel each electric tracing distribution box configuration electric tracing temperature controller, temperature controller has three temperature sensors under its command.Local automatic, Non-follow control function is realized by the connection of sensor and gauge tap.All current states are uploaded upper level treatment system by temperature digital instrument.When temperature sensor collection temperature signal lower than or exceed setting value, temperature control instrument automatic control switch opens and closes electric tracing circuit.The faults such as the long-term superelevation of sensor self, ultralow, short circuit can be uploaded in time.Temperature digital instrument can show current probe temperature and relevant work state.Electric tracing distribution box is also by gauge tap manual opening and closing electric tracing circuit.Temperature controller adopts the outlet of RS485 serial ports, a corresponding tunneling data optical transmitter and receiver.Each tunneling data optical transmitter and receiver of tunnel electric tracing distribution box adopts 1 core fibre of communication system to be connected to corresponding pump house optical transmitter and receiver one to one.Serial server, Ethernet switch and electric tracing local controller (PLC) are set in pump house and carry out pump house centralized Control.PLC can carry out controlled in wireless to all electric tracing loops, tunnel, be connected with adjacent tunnel Surveillance center of electric substation by Ethernet switch simultaneously, Surveillance center, according to this project transmitted each tunnel electric tracing data, can carry out controlled in wireless and supervision to all electric tracing loops.
The utility model is reasonable in design, well solves the daily management mission of tunnel fire-fighting, guarantees the normal operation of fire-fighting system, decreases configuration and the labour intensity of administrative staff.
Accompanying drawing explanation
Fig. 1 is control system principle schematic described in the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiment of the utility model is described in detail.
A kind of tunnel fire protection pipeline electric tracing thermal insulation control system, as shown in Figure 1, comprise and be arranged in some electric tracing loops in tunnel on fire protection pipeline and some temperature sensors, the signal output part of described temperature sensor connects the signal input part being positioned at the electric tracing temperature controller in tunnel, the control end connection control switch of described electric tracing temperature controller, described gauge tap controls the closed and disconnected in electric tracing loop; Described electric tracing temperature controller adopts the outlet of RS485 serial ports to connect the input of tunneling data optical transmitter and receiver, described tunneling data optical transmitter and receiver connects pump house data optical receiver one to one by 1 core fibre, described pump house data optical receiver is connected pump house monitoring PLC by serial server with Ethernet switch, and described pump house monitoring PLC is by the state of network control gauge tap; Described Ethernet switch connects tunnel Surveillance center of electric substation, and described tunnel Surveillance center of electric substation is by the state of network control gauge tap.
Described pump house monitoring PLC is connected with acoustic-optic alarm and phonetic alarm device; Time abnormal in electric tracing loop, send warning message in time, notify that maintenance personal or daily tour personnel process problem.
During concrete enforcement, capital equipment arranges as follows:
1, optical transmitter and receiver
A core single-mode fiber transmits a circuit-switched data signal,
Transmission mode: single mode,
Light source device: laser instrument,
Photo-detector: photodiode,
Applicable wavelengths: 1310/1550nm,
Video interface: 1Vp-p 75 ohm,
Signal to noise ratio: 60dB(weighting),
Communication interface: RS232-c,
The bit error rate: < 10-9,
Communication mode: half-duplex,
Non-relay distance: >=50Km.
2, termination box
Need to arrange termination box after optical cable enters the station.Technical indicator is as follows:
Suitable environment
Operating temperature :-25 DEG C-+40 DEG C,
Relative humidity: during≤85%(+30 DEG C),
Atmospheric pressure: 70kPa-106kPa;
Insulaion resistance: the insulaion resistance between GPZ hardware and optical cable metallic strength member, between optical cable hardware, between optical cable hardware and ground should be greater than 2 × 104M Ω.
Dielectric strength: between GPZ hardware and optical cable metallic strength member, between optical cable hardware, between optical cable hardware and ground under the effect of 15KV DC voltage, 1min does not puncture, without arcing phenomena.
Radius of curvature when cable optical fiber stores is greater than 40mm.
3, tail optical fiber
Need to use tail optical fiber to carry out welding, tail optical fiber requires as follows:
The corresponding interface such as SC/PC, FC/PC, LC/PC, ST/PC;
Wavelength: 1310nm and 1550nm;
Intercut number of times: > 1000 times;
Maximum insertion < 0.2dB.
4, serial server
Be applicable to on-the-spot mounting means
10/100M self adaptation Ethernet RJ45 interface, embedded 1.5KV electromagnetic isolation
Band RS-232/422/485/ interface
All rs 232 serial interface signal band surgings protection (15KV ESD)
Serial ports speed: 110bps-230.4kbps.
Configuration tool and agreement are provided, are configured by browser, serial ports or program.
5, pump house monitoring PLC
Pump house PLC(local service ICU) accept the signal of fire hydrant button, electric tracing temperature controller.
Its performance requirement:
Be made up of master controller (providing circuit controls), main display floater, linkage display plate, power module etc., main frame be provided with evacuation, quiet, reset, stop using, the button such as start and stop audible-visual annunciator.With the phonetic alarm device of full Chinese.
Be furnished with 100M dominant frequency 32 technical grade CPU microprocessor modules, every platform main frame can store the historical record data of more than 2000.
With giant-screen LCD liquid crystal display screen, can accurately and timely demonstrate various information and various failure condition.Up-to-date warning message is presented on screen all the time, and all the other information can scroll arbitrarily.Full Chinese display.
Fire alarm control unit must pass through UL, FM International Certification.
Alarm time: any one (maximum distance) node warning/fault-signal of network, fault and time of fire alarming are less than 3 seconds.
Capacity: unit heap(ed) capacity is not less than 200 points.
There is addressability, and can display relevant device position, address.
There is self-checking function: comprise detector exception, device power supply (DPS), cable break and short circuit etc., and weekly overhauling of an operation conditions work is carried out to whole system.
At least 1 RS232 and 20 RS485 standard communication interface is provided to network with several and local master controller of calculating, to realize the centralized and unified management in whole tunnel respectively.
Bus maximum length: >=3000 meters.
Claims (2)
1. a tunnel fire protection pipeline electric tracing thermal insulation control system, it is characterized in that: comprise and be arranged in some electric tracing loops in tunnel on fire protection pipeline and some temperature sensors, the signal output part of described temperature sensor connects the signal input part being positioned at the electric tracing temperature controller in tunnel, the control end connection control switch of described electric tracing temperature controller, described gauge tap controls the closed and disconnected in electric tracing loop; Described electric tracing temperature controller adopts the outlet of RS485 serial ports to connect the input of tunneling data optical transmitter and receiver, described tunneling data optical transmitter and receiver connects pump house data optical receiver one to one by 1 core fibre, described pump house data optical receiver is connected pump house monitoring PLC by serial server with Ethernet switch, and described pump house monitoring PLC is by the state of network control gauge tap; Described Ethernet switch connects tunnel Surveillance center of electric substation, and described tunnel Surveillance center of electric substation is by the state of network control gauge tap.
2. tunnel according to claim 1 fire protection pipeline electric tracing thermal insulation control system, is characterized in that: described pump house monitoring PLC is connected with acoustic-optic alarm and phonetic alarm device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420769596.7U CN204307258U (en) | 2014-12-10 | 2014-12-10 | Tunnel fire protection pipeline electric tracing thermal insulation control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420769596.7U CN204307258U (en) | 2014-12-10 | 2014-12-10 | Tunnel fire protection pipeline electric tracing thermal insulation control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204307258U true CN204307258U (en) | 2015-05-06 |
Family
ID=53129592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420769596.7U Expired - Fee Related CN204307258U (en) | 2014-12-10 | 2014-12-10 | Tunnel fire protection pipeline electric tracing thermal insulation control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204307258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108073122A (en) * | 2017-12-20 | 2018-05-25 | 山西省交通建设工程监理有限责任公司 | The long-range monitoring and warning control system of fire protection pipeline leak-proof anti-freezing |
-
2014
- 2014-12-10 CN CN201420769596.7U patent/CN204307258U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108073122A (en) * | 2017-12-20 | 2018-05-25 | 山西省交通建设工程监理有限责任公司 | The long-range monitoring and warning control system of fire protection pipeline leak-proof anti-freezing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20161210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |