CN217366960U - Automatic fire control unit of cable tunnel - Google Patents
Automatic fire control unit of cable tunnel Download PDFInfo
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- CN217366960U CN217366960U CN202221076341.3U CN202221076341U CN217366960U CN 217366960 U CN217366960 U CN 217366960U CN 202221076341 U CN202221076341 U CN 202221076341U CN 217366960 U CN217366960 U CN 217366960U
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Abstract
The utility model provides an automatic fire control unit of cable tunnel, include: the tunnel main part, the top of tunnel main part inner wall is provided with a plurality of coupling hooks, the cable sets up between a plurality of coupling hooks, the surface of cable is provided with temperature sensing optical fiber, infrared thermal imaging detector sets up in the one end of temperature sensing optical fiber, infrared thermal imaging detector's output is connected with the connecting wire, intelligent data processing host computer is connected in the one end of connecting wire, be connected with audible-visual annunciator through the connecting wire at the output of intelligent data processing host computer. The utility model provides a pair of automatic fire control unit of cable tunnel sets up temperature sensing optical fiber cooperation infrared thermal imaging detector on the surface of cable and can detect the temperature of cable inside constantly, connects intelligent data processing host computer through the connecting wire at infrared thermal imaging detector's output and can appear when the high temperature and the condition on fire in the cable, can in time remind operating personnel through intelligent data processing host computer start audible-visual annunciator.
Description
Technical Field
The utility model relates to a tunnel field especially relates to an automatic fire control unit of cable tunnel.
Background
Tunnels are engineering structures buried in the ground and are a form of human use of underground space.
At present, a cable is laid on the top of the inner wall of the tunnel to be electrified, and various devices can be electrified.
Lay the cable in current tunnel and can only fix and carry out the operation of circular telegram at the top of tunnel inner wall, nevertheless the cable in the tunnel appears the short circuit and can't remind workman personnel to carry out the rescue immediately when causing the condition of catching fire to can't be accurate quick fix a position the point of catching fire.
Therefore, it is necessary to provide an automatic fire fighting device for cable tunnels to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automatic fire control unit of cable tunnel has solved the cable in the current tunnel and can't be to protecting, is difficult to remind the problem of positioning with the ignition point to operating personnel when leading to appearing the conflagration.
In order to solve the technical problem, the utility model provides a pair of automatic fire control unit of cable tunnel, include:
the tunnel comprises a tunnel main body, wherein a plurality of connecting hooks are arranged at the top of the inner wall of the tunnel main body;
the cable is arranged among the connecting hooks, and a temperature sensing optical fiber is arranged on the surface of the cable;
the infrared thermal imaging detector is arranged at one end of the temperature sensing optical fiber, and the output end of the infrared thermal imaging detector is connected with a connecting wire;
the intelligent data processing host is connected to one end of the connecting wire, and the output end of the intelligent data processing host is connected with an audible and visual alarm through the connecting wire;
the superfine dry powder extinguishing device is arranged at the top of the inner wall of the tunnel main body.
Preferably, a tie is disposed between the cable and the temperature sensing optical fiber.
Preferably, the output end of the intelligent data processing host is connected with the superfine dry powder extinguishing device through a connecting wire.
Preferably, one end of the intelligent data processing host is provided with a connecting wire connected with a power supply device.
Preferably, the top of superfine dry powder extinguishing device is provided with the mount, the both sides on mount surface all are provided with the slip subassembly, the slip subassembly includes the spout, the inside sliding connection of spout has the slider.
Preferably, two be connected with the protection casing through the connecting block fixedly between the slider, the both sides on protection casing surface are provided with first fly leaf and second fly leaf respectively.
Preferably, one side of first fly leaf is provided with coupling assembling, coupling assembling includes the connector, there is the adapter sleeve one end of connector through threaded connection, the both sides on protection casing surface all are connected with the connecting piece.
Compared with the prior art, the utility model provides a pair of automatic fire control unit of cable tunnel has following beneficial effect:
the utility model provides an automatic fire control unit of cable tunnel, it can detect the inside temperature of cable constantly to set up temperature sensing optical fiber cooperation infrared thermal imaging detector on the surface of cable, it can be when the condition that the high temperature appears in the cable and catch fire to connect intelligent data processing host computer at infrared thermal imaging detector's output through the connecting wire, can in time remind operating personnel through intelligent data processing host computer start audible-visual annunciator, and intelligent data processing host computer simultaneous control superfine dry powder extinguishing device fixes a position and puts out a fire the operation to the cable ignition point, prevent that the intensity of a fire on the cable from appearing stretching.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of an automatic fire fighting device for a cable tunnel according to the present invention;
fig. 2 is a schematic structural view of a second embodiment of the automatic fire fighting device for cable tunnels according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic perspective view of the entire device shown in fig. 2.
The reference numbers in the figures: 1. a tunnel main body, 2, a connecting hook, 3, a cable, 4, a temperature sensing optical fiber, 5, a binding belt, 6, an infrared thermal imaging detector, 7, a connecting wire, 8, an intelligent data processing host, 9, an audible and visual alarm, 10, power supply equipment, 11, a superfine dry powder fire extinguishing device,
12. a fixed frame is arranged on the upper portion of the frame,
13. a sliding component 131, a sliding chute 132 and a sliding block,
14. a protective cover 15, a first movable plate, 16, a second movable plate, 17 and a connecting piece,
18. coupling assembling, 181, connector, 182, adapter sleeve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
First embodiment
Please refer to fig. 1, wherein fig. 1 is a schematic structural diagram of a first embodiment of an automatic fire fighting device for a cable tunnel according to the present invention. An automatic fire fighting device for cable tunnels, comprising:
the tunnel comprises a tunnel main body 1, wherein a plurality of connecting hooks 2 are arranged at the top of the inner wall of the tunnel main body 1;
the cable 3 is arranged among the connecting hooks 2, and the surface of the cable 3 is provided with a temperature sensing optical fiber 4;
the infrared thermal imaging detector 6 is arranged at one end of the temperature sensing optical fiber 4, and the output end of the infrared thermal imaging detector 6 is connected with a connecting wire 7;
the intelligent data processing host 8 is connected to one end of the connecting wire 7, and the output end of the intelligent data processing host 8 is connected with an audible and visual alarm 9 through the connecting wire 7;
the superfine dry powder extinguishing device 11 is arranged at the top of the inner wall of the tunnel main body 1.
A binding tape 5 is arranged between the cable 3 and the temperature sensing optical fiber 4.
The output end of the intelligent data processing host machine 8 is connected with the superfine dry powder extinguishing device 11 through a connecting wire 7.
One end of the intelligent data processing host 8 is provided with a connecting wire 7 connected with a power supply device 10.
The cable tunnel fire extinguishing system comprises the following components: the cable tunnel fire-fighting system comprises main equipment such as an intelligent data processing host, a temperature-sensing optical fiber, an intermediate joint infrared thermal imaging detector, a superfine dry powder fire extinguishing device, an audible and visual alarm and auxiliary materials for steel wires, expansion bolts with hooks, a binding belt, a power line, a control cable and equipment installation.
The comprehensive automatic fire-fighting equipment monitoring and managing system is integrated by modern communication technology, computer and computer network technology. The real-time running state of the fire-fighting system facilities erected inside the building tunnel is monitored in real time, alarm, fault and action information of the fire-fighting equipment is found in time, related personnel are informed to maintain and solve the fire-fighting equipment, and fire signals are received and processed accurately in time, so that normal running of the fire-fighting system facilities inside the tunnel is guaranteed, and real-time, visual and integrated actions of fire-fighting early warning, alarming and fire-fighting facilities are achieved.
The method can be butted with a tunnel monitoring edge agent, and a butt joint interface protocol is opened.
The intelligent data processing host computer:
the intelligent data processing host is mainly used for receiving and processing alarm, fault and action information, and when a fire signal is triggered locally, the intelligent data processing host starts the fire extinguishing device to extinguish a fire; the intelligent data processing host has a remote control function and can be started remotely. The performance parameters and installation requirements are as follows:
the main machine is fixed in a wall-mounted mode and cannot be mounted on the ground.
The host computer has the functions of manual operation and remote start through a network.
The host has at least 3 starting channels.
The host machine has the function of a backup battery so as to provide starting current and voltage under the condition of power failure.
The backup battery is continuously operated for not less than 8 hours in a monitoring state after the host is powered off, and the backup battery is approved to provide starting current and voltage in the monitoring state.
The host machine has the information transmission functions of external equipment such as alarming, failure and power failure.
The host has the information transmission functions of hardware alarm, fault, power failure and the like.
The host computer contains the operation screen, makes things convenient for maintainer to maintain. The screen can be a touch liquid crystal screen or a dot matrix screen, the resolution of the touch screen is not lower than 1024 x 768, and the resolution of the dot matrix screen is not lower than 240 x 128.
The host has the function of Chinese voice broadcast of information such as alarm and fault.
The host adopts a stable and convenient-to-operate system, and comprises Windows CE, Android, Linux and the like.
The host computer meets the national standard requirement of GB4943-2011 and obtains a corresponding qualified detection report.
The host machine meets the requirements of GB2423.1-2008 low-temperature work, GB2423.2-2008 high-temperature work and GB2423.9-2001 constant damp-heat work, and obtains corresponding qualified detection reports.
Platform software:
the platform software has the functions of displaying information such as alarm and fault, and broadcasts the information in a Chinese voice form.
The platform software has the functions of linking the on-site thermal imaging video and the visible light video during alarming.
The platform software has the function of remotely starting the on-site fire extinguishing device, and has the functions of countdown and remote cancellation of starting when starting. The platform software has a function of interfacing with a third-party system data interface.
Temperature sensing optical fiber:
the temperature of each point in the space where the whole optical fiber is located can be continuously measured and accurately positioned, the running temperature of the cable and the temperature of the wire core are realized, the change of the environment where the optical fiber is located is detected through the change of the temperature on the optical fiber, when the temperature of the cable exceeds an alarm limit value, alarm information is sent out, and the position and the temperature of the alarm point are displayed.
The main parameters are as follows:
fiber mode: 62.5/125 μm multimode fiber; the number of cores: 2 core
Outer sheath material: low smoke halogen-free flame retardant thermoplastic material
Tensile strength: the working time is not less than 600N, and the laying time is not less than 1000N
Compressive strength: the working time is not less than 300N/10cm, and the laying time is not less than 1000N/10cm
Linear rolling force: 300N/cm causes a deformation of-0.3 mm
Allowable radius of curvature: 20 times of the outer diameter of the optical cable during operation
Temperature range: and (3) long-term: -20 ℃ to 85 DEG C
Short time (60 min): -20 ℃ to 120 DEG C
Intermediate head infrared thermal imaging detector:
the intermediate joint infrared thermal imaging detector is used for real-time online monitoring of the high-temperature part of the intermediate joint of the high-voltage cable, can effectively detect the temperature change of the joint and the space, and can be used as video monitoring equipment.
Thermal imaging core function:
resolution 160 x 120, high sensitivity detector, support contrast adjustment.
And an intelligent fire point detection function is supported.
And a temperature abnormity warning function is supported.
And supporting the light supplement function.
The 3D noise reduction function is supported, 15 pseudo colors can be adjusted, and the image detail enhancement function is realized.
Mirror, digital zoom X2, X4, and local video output are supported.
The focal length of the thermal imaging lens is 2-6 mm.
The visible light machine core has the functions of:
video resolution 2560 × 1920, pixel 400W.
1/2.8 inch high performance CMOS.
Wide dynamic, digital noise reduction is supported.
The focal length of the visible light lens is 2-6 mm.
Infrared light supplement function
Support intelligent smog detection function.
The system supports software integrated open API, supports standard protocol (ONVIF), supports SDK and third-party management platform access.
(4) The superfine dry powder fire extinguishing device comprises:
the superfine dry powder fire extinguishing device has the following linkage effect:
(a) the superfine dry powder fire extinguishing device is a non-pressure self-starting type;
(b) when the fire-fighting system detects the occurrence of a fire or gives an alarm manually, the superfine dry powder fire extinguishing device in the area can be automatically started or remotely started after being confirmed manually;
(c) when a fire disaster occurs, the superfine dry powder fire extinguishing device performs in-situ analysis and then sends out an alarm signal, the alarm signal is sent to the host machine, the host machine sends out a sound alarm to remind an operator on duty of the fire disaster, and related linkage control is performed after manual confirmation. When the device is not monitored by people, the fire-fighting linkage equipment can be controlled according to the set interlocking requirement.
The main parameters are as follows:
(1) the fire extinguishing time is not more than 1 second, and the early fire extinguishing technology is adopted.
(2) The temperature sensing element of the fire extinguishing device should not transmit the temperature signal in the form of open flame combustion, otherwise other fires are easily caused.
(3) The fire extinguishing device is a non-pipe network non-pressure storage type fire extinguishing device, and is convenient to install and safe to use.
(4) The fire extinguishing agent does not cause harm to human bodies, articles and atmosphere, and the ODP values and GWP values are all 0.
(5) The fire extinguishing device is easy to uniformly cover the fire surface by the flow guiding form inside the fire extinguishing device, so that the fire extinguishing effect is enhanced.
(6) The service life of the fire extinguishing device cannot be less than 5 years.
(7) Fire extinguishing apparatus is because of possessing the automatic start function, starting current (DC): more than or equal to 600mA, the safety detection current is less than or equal to 100mA, and the use environment temperature is as follows: minus 50 ℃ to plus 50 ℃.
(8) When the fire extinguishing device is sprayed, the shell is free from damage such as cracks, and the sealing plate cannot be separated from the fire extinguishing device after being opened, so that people or objects are prevented from being damaged in a protection area.
(5) Audible and visual alarm:
when a fire accident occurs in the cable tunnel, the on-site audible and visual alarm receives the instruction of the host computer and sends out an alarm signal.
The main parameters are as follows:
working temperature: minus 40 to +75 DEG C
Storage temperature: minus 40 to +75 DEG C
Relative humidity: less than or equal to 95 percent (no condensation)
Explosion-proof characteristic: exd ib IIC T6 Gb
Working voltage: DC24V (DC18V-28V)
Loop bus: DC18V-28V, modulated, controller supplied
Alarm current: less than or equal to 50mA (DC24V)
Alarm volume: 75dB to 115dB
Flash frequency: 1.5 Hz-2.0 Hz
The utility model provides a pair of automatic fire control unit of cable tunnel's theory of operation as follows:
when in use, the temperature sensing optical fiber 4 is laid on the cable 3 or the top of the tunnel to monitor the environment temperature in the on-site electric power tunnel and the surface temperature of the cable 3 in real time, the infrared thermal imaging detector 6 is used for detecting the temperature of the middle joint of the high-voltage cable, the intelligent data processing host 8 is used for receiving and analyzing the temperature detection signals of the temperature sensing optical fiber 4 and the middle joint infrared thermal imaging detector in the tunnel main body 1, the superfine dry powder extinguishing device 11 is arranged at the joint or the top of the tunnel above the joint according to a certain distance, when a fire accident occurs in the cable tunnel, the temperature sensing optical fiber 4 or the intermediate joint infrared thermal imaging detector sends a signal to the host, the host controls the audible and visual alarm 9 to give out an audible alarm, meanwhile, the fire alarm reminds the person on duty to have a fire, makes related linkage control after manual confirmation, and can control the superfine dry powder fire extinguishing device to extinguish fire according to the set interlocking requirement.
Compared with the prior art, the utility model provides a pair of automatic fire control unit of cable tunnel has following beneficial effect:
the utility model provides an automatic fire control unit of cable tunnel, it can detect the inside temperature of cable 4 constantly to set up temperature sensing optical fiber 4 cooperation infrared thermal imaging detector 6 on the surface of cable 3, connect intelligent data processing host computer 8 through connecting wire 7 at the output of infrared thermal imaging detector 6 and can appear when the high temperature and the condition on fire in cable 3, can in time start audible-visual annunciator 9 through intelligent data processing host computer 8 and remind operating personnel, and intelligent data processing host computer 8 simultaneous control superfine dry powder extinguishing device 11 is being fixed a position and is put out a fire the operation to cable 3 the point of being on fire, prevent that the intensity of a fire on cable 3 from appearing stretching.
Second embodiment
Referring to fig. 2, 3 and 4, a second embodiment of the present application provides another cable tunnel automatic fire fighting device based on the cable tunnel automatic fire fighting device provided by the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference that the second embodiment of this application provided an automatic fire control unit in cable tunnel lies in, an automatic fire control unit in cable tunnel, the top of superfine dry powder extinguishing device 11 is provided with mount 12, the both sides on mount 12 surface all are provided with sliding component 13, sliding component 13 includes spout 131, the inside sliding connection of spout 131 has slider 132.
The protective cover 14 is fixedly connected between the two sliding blocks 132 through a connecting block, and a first movable plate 15 and a second movable plate 16 are respectively arranged on two sides of the surface of the protective cover 14.
The surface of the first movable plate 15 is connected with a rectangular block, one side of the surface of the protective cover 14 is provided with a rectangular groove matched with the rectangular block, the first movable plate 15 and the second movable plate 16 are respectively provided with a lock catch which can be fixedly connected with the protective cover 14, and the second movable plate 16 is hinged with the protective cover 14 through a hinge.
One side of first fly leaf 15 is provided with coupling assembling 18, coupling assembling 18 includes connector 181, there is adapter sleeve 182 one end of connector 181 through threaded connection, the both sides on protection casing 14 surface all are connected with connecting piece 17.
Both sides of the inner wall of the connecting sleeve 182 and the surface of the connecting head 181 are provided with screw threads matched with each other.
The utility model provides a pair of automatic fire control unit of cable tunnel's theory of operation as follows:
during the use, when detecting the hookup location of superfine dry powder extinguishing device 11, the operator opens the first fly leaf 15 of protection casing 14 surface one side at first, and the operator rethread promotes the protection casing 14 and removes to one side of mount 12 after first fly leaf 15 opens, drives the slider 132 of bottom and removes at the inside spout 131 of mount 12 when the protection casing 14 removes to one side of mount 12, can overhaul superfine dry powder extinguishing device 11 after the protection casing 14 opens.
When the protective cover 14 is installed, an operator can fix the protective cover to the top of the inner wall of the tunnel main body 1 by passing a bolt through the connecting piece 17 and screwing.
When protecting the connecting wire 7 on the superfine dry powder fire extinguishing device 11, an operator firstly passes one end of the connecting wire 7 through one side of the inner wall of the first movable plate 15 and the connector 181, and simultaneously penetrates the inside of the connecting sleeve 182, and then the connecting sleeve 182 is screwed on the surface of the connector 181 after the connecting wire 7 penetrates the inside of the connecting sleeve 182.
Compared with the prior art, the utility model provides a pair of automatic fire control unit of cable tunnel has following beneficial effect:
the utility model provides an automatic fire-fighting device for cable tunnels, a fixed mount 12 is arranged on the surface of an ultrafine dry powder fire-fighting device 11 to play a role of connecting a protective cover 14, the sliding grooves 131 are arranged on the two sides of the surface of the fixed frame 12 and are matched with the sliding blocks 132 for use, so that the protective cover 14 can be conveniently moved to the surface of the connecting piece of the superfine dry powder extinguishing device 11, meanwhile, the maintenance of the superfine dry powder extinguishing device 11 in the later period is convenient, the positioning function is realized when the protective cover 14 is moved, the first movable plate 15 and the second movable plate 16 are respectively arranged on both sides of the surface of the protection cover 14 to facilitate the opening of the protection cover 14 during the later detection of the superfine dry powder fire extinguishing device 11, the connection head 181 and the connection sleeve 182 are disposed on one side of the first movable plate 15 to protect the connection line 7, and this design can protect the connection position of the ultra-fine dry powder fire extinguishing apparatus 11 in case of fire.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. An automatic fire control unit of cable tunnel, its characterized in that includes:
the tunnel comprises a tunnel main body, wherein a plurality of connecting hooks are arranged at the top of the inner wall of the tunnel main body;
the cable is arranged among the connecting hooks, and a temperature sensing optical fiber is arranged on the surface of the cable;
the infrared thermal imaging detector is arranged at one end of the temperature sensing optical fiber, and the output end of the infrared thermal imaging detector is connected with a connecting wire;
the intelligent data processing host is connected to one end of the connecting wire, and the output end of the intelligent data processing host is connected with an audible and visual alarm through the connecting wire;
the superfine dry powder extinguishing device is arranged at the top of the inner wall of the tunnel main body.
2. The automatic fire fighting device for cable tunnels according to claim 1, wherein a cable tie is provided between said cable and said temperature sensitive optical fiber.
3. The automatic fire fighting device for cable tunnels according to claim 1, wherein the output end of the intelligent data processing host is connected with the superfine dry powder fire extinguishing device through a connecting wire.
4. The automatic fire fighting device for cable tunnels according to claim 1, wherein a connecting line is provided at one end of the intelligent data processing host for connecting with a power supply device.
5. The automatic fire-fighting device for the cable tunnel according to claim 1, wherein a fixed frame is arranged on the top end of the superfine dry powder fire-extinguishing device, sliding components are arranged on both sides of the surface of the fixed frame, each sliding component comprises a sliding groove, and a sliding block is slidably connected inside each sliding groove.
6. The automatic fire fighting device for cable tunnels according to claim 5, wherein a protective cover is fixedly connected between the two sliding blocks through a connecting block, and a first movable plate and a second movable plate are respectively arranged on two sides of the surface of the protective cover.
7. The automatic fire fighting device for cable tunnels according to claim 6, wherein a connecting assembly is arranged on one side of the first movable plate, the connecting assembly comprises a connector, one end of the connector is connected with a connecting sleeve through threads, and connecting pieces are connected to two sides of the surface of the protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221076341.3U CN217366960U (en) | 2022-05-07 | 2022-05-07 | Automatic fire control unit of cable tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221076341.3U CN217366960U (en) | 2022-05-07 | 2022-05-07 | Automatic fire control unit of cable tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217366960U true CN217366960U (en) | 2022-09-06 |
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ID=83085370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221076341.3U Active CN217366960U (en) | 2022-05-07 | 2022-05-07 | Automatic fire control unit of cable tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217366960U (en) |
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2022
- 2022-05-07 CN CN202221076341.3U patent/CN217366960U/en active Active
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