CN215995434U - City utility tunnel fire alarm and directional fire extinguishing control system - Google Patents
City utility tunnel fire alarm and directional fire extinguishing control system Download PDFInfo
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- CN215995434U CN215995434U CN202121991813.3U CN202121991813U CN215995434U CN 215995434 U CN215995434 U CN 215995434U CN 202121991813 U CN202121991813 U CN 202121991813U CN 215995434 U CN215995434 U CN 215995434U
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Abstract
The utility model relates to a fire alarm and directional fire extinguishing control system for an urban comprehensive pipe gallery, which comprises a fire monitoring and analyzing host, a fire extinguishing host and a joint control host, wherein the fire monitoring and analyzing host, the fire extinguishing host and the joint control host are all installed in a power distribution room, a plurality of gas fire extinguishers are installed in the power distribution room, a plurality of dry powder fire extinguishers are installed in the urban comprehensive pipe gallery, the fire extinguishing host and the joint control host are both connected with the fire monitoring and analyzing host, the fire monitoring and analyzing host is connected with a plurality of infrared temperature-sensitive detectors, a plurality of temperature-sensitive detectors and a plurality of smoke-sensitive detectors, the joint control host is connected with a PLC (programmable logic controller), and the PLC is connected with a plurality of fans and a plurality of air valves. The utility model can simplify the fire alarm and fire extinguishing scheme of the urban comprehensive pipe gallery and has strong reliability in the emergency state of fire. Meanwhile, centralized control of fire can be realized, and various automatic and remote control requirements can be met. In addition, the utility model can reduce the damage to the equipment.
Description
Technical Field
The utility model relates to the technical field of fire extinguishing control, in particular to a fire alarm and directional fire extinguishing control system for an urban comprehensive pipe gallery.
Background
The construction of city utility tunnel has not only solved the urban traffic jam problem that arouses because of the construction of municipal pipeline, has still greatly made things convenient for the maintenance and the maintenance of municipal facilities such as electric power, communication, gas, water supply and drainage.
In recent years, the country has vigorously promoted city utility tunnel construction, and the intelligent level of utility tunnel's operation maintenance is also improving gradually, for satisfying the operation maintenance requirement, also diversifies gradually, complicates like light current systems such as fire extinguishing system, monitored control system, security protection system, communication system in the piping lane. The existing system has numerous devices and dispersed functions, needs signal transmission among systems, and has poor reliability in the emergency state of fire. The pipe gallery internal detector mainly adopts a temperature-sensing optical fiber, a temperature-sensing cable and other linear temperature-sensing detectors, and the construction workload is large. Fire extinguishing apparatus mainly leans on suspension type dry powder fire extinguisher in the piping lane, and equipment precision such as forceful electric power system, PLC control system, UPS system is high between the piping lane equipment room, can damage relevant equipment with dry powder extinguishing fire.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides a fire alarm and directional fire extinguishing control system for an urban comprehensive pipe gallery.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a city utility tunnel fire alarm and directional fire extinguishing control system, including fire monitoring analysis host computer, the host computer of putting out a fire and allies oneself with accuse host computer, fire monitoring analysis host computer, the host computer of putting out a fire and alliing oneself with accuse host computer and all installing in the power distribution room, install a plurality of gas fire extinguishers in the power distribution room, install a plurality of dry powder fire extinguishers in the city utility tunnel, dry powder fire extinguisher and gas fire extinguisher all are connected with the host computer of putting out a fire, the host computer of putting out a fire and alliing oneself with accuse host computer and all being connected with fire monitoring analysis host computer, the power supply end of fire monitoring analysis host computer even has the fire control power supply, even there are a plurality of infrared temperature detector on the fire monitoring analysis host computer, a plurality of temperature detector and a plurality of smoke detector, even there are a plurality of fire doors on the allied oneself with accuse host computer, a plurality of audible-visual annunciators and PLC controller, even there are a plurality of fans and a plurality of air valves on the PLC controller.
Each fire-proof subarea is at least internally provided with a dry powder fire extinguisher, an infrared temperature-sensitive detector, a temperature-sensitive detector and a smoke-sensitive detector.
Still include the equipment shell, fire monitoring analysis host computer, the host computer of putting out a fire and allies oneself with accuse host computer and all are located the equipment shell.
The fire extinguishing host controls the dry powder fire extinguisher and the gas fire extinguisher through the RS485 signal and the direct current signal.
The joint control host is also connected with a plurality of power supply switches in the electric control system.
The utility model has the beneficial effects that: the utility model can simplify the fire alarm and fire extinguishing scheme of the urban comprehensive pipe gallery, has simple equipment installation, convenient site construction and strong reliability in the emergency state of fire. Meanwhile, centralized control of fire can be realized, and various automatic and remote control requirements can be met. In addition, use the gas extinguisher to put out a fire to the higher equipment of precision degree that is located the electricity distribution room, reduced the destruction to equipment.
Drawings
FIG. 1 is a functional block diagram of the present invention;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in figure 1, a city utility tunnel fire alarm and directional fire extinguishing control system, including fire monitoring analysis host computer, the host computer of putting out a fire and allied oneself with accuse host computer, fire monitoring analysis host computer, the host computer of putting out a fire and allied oneself with accuse host computer and all install in joining the electrical room, join and install a plurality of gas fire extinguishers in the electrical room, install a plurality of dry powder fire extinguishers in the city utility tunnel, dry powder fire extinguishers and gas fire extinguishers all are connected with the host computer of putting out a fire, the host computer of putting out a fire and allied oneself with accuse host computer and all are connected with fire monitoring analysis host computer, the feed end of fire monitoring analysis host computer even has the fire control power supply, even there are a plurality of infrared temperature-sensitive detectors on the fire monitoring analysis host computer, a plurality of temperature-sensitive detectors and a plurality of smoke-sensitive detectors, even there are a plurality of fire doors on the allied oneself with accuse host computer, a plurality of audible-visual annunciators and PLC controller, even there are a plurality of fans and a plurality of air valves on the PLC controller.
The dry powder fire extinguisher is a suspension type superfine dry powder fire extinguisher.
Each fire-proof subarea is at least internally provided with a dry powder fire extinguisher, an infrared temperature-sensitive detector, a temperature-sensitive detector and a smoke-sensitive detector.
Still include the equipment shell, fire monitoring analysis host computer, the host computer of putting out a fire and allies oneself with accuse host computer and all are located the equipment shell that the protection level satisfies the design requirement.
The fire extinguishing host controls the dry powder fire extinguisher and the gas fire extinguisher through the RS485 signal and the direct current signal.
The joint control host is also connected with a plurality of power supply switches in the electric control system.
When the fire disaster monitoring system works, signals of a system are transmitted to a fire monitoring and analyzing host through a smoke detector, a temperature detector and an infrared temperature detector, the fire monitoring and analyzing host analyzes a fire state, sends a command to a fire extinguishing host according to the fire state to extinguish a dry powder fire extinguisher or a gas fire extinguisher in a power distribution room, and simultaneously sends a joint control command to a joint control host, the joint control host sends a joint control signal to a PLC (programmable logic controller) controller to control a fan and an air valve, the joint control host simultaneously sends a joint control signal to a strong current control system to control a power supply switch, and simultaneously the joint control host controls a fire door and an acousto-optic alarm, and the PLC controller is a Siemens S7-300PLC controller.
The fire monitoring analysis host is the core of the whole system, the smoke detector is received, the temperature detector, the infrared temperature detector and the fire power supply signal are used for judging the fire state in the pipe gallery, the collected signals can be analyzed, if the infrared temperature detector senses the temperature rise of a certain position in the pipe gallery, but the smoke detector and the temperature detector signal are normal, the system can judge that the cable is overloaded or the fire is in a smoldering stage, a command can be sent to the joint control host, the audible and visual alarm connected with the joint control host gives an alarm, the joint control host sends a joint control signal to the electrical control system, and the corresponding power supply switch is disconnected. And then continuously monitoring whether the temperature is reduced, if the temperature is reduced, the joint control measure is effective, and if the temperature is continuously increased to reach a fire extinguishing threshold, automatic fire extinguishing (namely, the dry powder fire extinguisher and the gas fire extinguisher work) is started.
The fire extinguishing host is an action mechanism of the system and can automatically control the controlled dry powder fire extinguisher or gas fire extinguisher according to the command of the fire monitoring and analyzing host.
The joint control host is a communication core of the system, and can control the fire door and the audible and visual alarm according to the command and the fixed logic of the fire monitoring and analyzing host and send joint control signals to the PLC controller of the pipe gallery and the electrical control system.
The infrared temperature-sensing detector is a core temperature detection device, and the utility model adopts an advanced infrared detection technology, thereby avoiding the adoption of temperature-sensing optical fibers or temperature-sensing cables and other detectors with high cost and large construction workload.
The main functional characteristics of the utility model are as follows:
1. the system greatly simplifies the distributed mechanism of the existing pipe gallery fire extinguishing system, and the system integrity, reliability, economy, intellectualization and the like are improved to a great extent.
2. The system can intelligently judge the fire state according to the detector signal and make corresponding reaction, and continuously monitor the field state after action, and can actively judge whether the reaction made is effective or not. And can take further measures according to the field change, and the intelligent degree is high.
3. The fire extinguishing host of the system can control the superfine dry powder fire extinguisher and the gas fire extinguisher through RS485 signals and direct current signals, precise electrical equipment is arranged among pipe rack equipment, and the gas fire extinguisher is adopted for extinguishing fire; the pipeline corridor is mainly used for cable pipeline fire, and a suspension type dry powder fire extinguisher is adopted. It is suitable for different fire extinguishing equipments.
4. The suspension type dry powder fire extinguisher and the infrared fire detector have the address coding and positioning functions, and the system can extinguish fire at fixed points according to the specific position of fire, so that the fire extinguishing efficiency is improved.
5. The system can be in signal transmission and joint control with the PLC and the electrical control system, and guarantees that the fan, the air valve and the fireproof and smoke-proof cover plate are in correct states under the fire state, and the control and fire extinguishing effects of fire are guaranteed.
6. This system can monitor the fire power supply, sends alarm signal to the surveillance center when the fire power supply outage, starts UPS simultaneously and supplies power to the system, guarantees that the power is reliable.
The utility model can simplify the fire alarm and fire extinguishing scheme of the urban comprehensive pipe gallery, has simple equipment installation, convenient site construction and strong reliability in the emergency state of fire. Meanwhile, centralized control of fire can be realized, and various automatic and remote control requirements can be met. In addition, use the gas extinguisher to put out a fire to the higher equipment of precision degree that is located the electricity distribution room, reduced the destruction to equipment.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
The utility model has been described in connection with the accompanying drawings, it is to be understood that the utility model is not limited to the specific embodiments disclosed, but is intended to cover various modifications, adaptations or uses of the utility model, and all such modifications and variations are within the scope of the utility model.
Claims (5)
1. The utility model provides a city utility tunnel fire alarm and directional fire extinguishing control system, a serial communication port, including fire monitoring analysis host computer, the host computer of putting out a fire and allies oneself with accuse host computer, fire monitoring analysis host computer, the host computer of putting out a fire and alliing oneself with accuse host computer and all installing in joining in the power distribution room, install a plurality of gas fire extinguishers in the power distribution room, install a plurality of dry powder fire extinguishers in the city utility tunnel, dry powder fire extinguishers and gas fire extinguishers all are connected with the host computer of putting out a fire, the host computer of putting out a fire and alliing oneself with accuse host computer and all being connected with fire monitoring analysis host computer, the feed end of fire monitoring analysis host computer even has the fire control power supply, even there are a plurality of infrared temperature-sensitive detectors on the fire monitoring analysis host computer, a plurality of temperature-sensitive detectors and a plurality of smoke-sensitive detectors, even there are a plurality of fire doors on the allied oneself with accuse host computer, a plurality of audible-visual annunciators and PLC controller, even there are a plurality of fans and a plurality of air valves on the PLC controller.
2. The city utility tunnel fire alarm and directional fire extinguishing control system according to claim 1, wherein each fire-protection zone is provided with at least one dry chemical fire extinguisher, one infrared temperature-sensitive detector, one temperature-sensitive detector and one smoke-sensitive detector.
3. The city utility tunnel fire alarm and directional fire extinguishing control system according to claim 2, further comprising an equipment housing, wherein the fire monitoring and analyzing host, the fire extinguishing host and the joint control host are all located in the equipment housing.
4. The city utility tunnel fire alarm and directional fire extinguishing control system according to claim 3, wherein the fire extinguishing host controls the dry powder fire extinguisher and the gas fire extinguisher through RS485 signals and direct current signals.
5. The city utility tunnel fire alarm and directional fire extinguishing control system according to claim 4, characterized in that the joint control host is further connected with power supply switches in a plurality of electrical control systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121991813.3U CN215995434U (en) | 2021-08-24 | 2021-08-24 | City utility tunnel fire alarm and directional fire extinguishing control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121991813.3U CN215995434U (en) | 2021-08-24 | 2021-08-24 | City utility tunnel fire alarm and directional fire extinguishing control system |
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| CN215995434U true CN215995434U (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121991813.3U Active CN215995434U (en) | 2021-08-24 | 2021-08-24 | City utility tunnel fire alarm and directional fire extinguishing control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114743334A (en) * | 2022-04-11 | 2022-07-12 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Fire monitoring system for electrical equipment |
| CN115337585A (en) * | 2022-08-17 | 2022-11-15 | 安徽中科安和科技有限公司 | Compressed air foam fire extinguishing system for urban comprehensive pipe gallery |
-
2021
- 2021-08-24 CN CN202121991813.3U patent/CN215995434U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114743334A (en) * | 2022-04-11 | 2022-07-12 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Fire monitoring system for electrical equipment |
| CN115337585A (en) * | 2022-08-17 | 2022-11-15 | 安徽中科安和科技有限公司 | Compressed air foam fire extinguishing system for urban comprehensive pipe gallery |
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