CN111068208B - Intelligent fire extinguishing system of railway trolley type outdoor transformer - Google Patents
Intelligent fire extinguishing system of railway trolley type outdoor transformer Download PDFInfo
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- CN111068208B CN111068208B CN201911317206.6A CN201911317206A CN111068208B CN 111068208 B CN111068208 B CN 111068208B CN 201911317206 A CN201911317206 A CN 201911317206A CN 111068208 B CN111068208 B CN 111068208B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
- A62C31/07—Nozzles specially adapted for fire-extinguishing with two or more outlets for different media
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
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- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses an intelligent fire extinguishing system of a rail trolley type outdoor transformer, which comprises a fire extinguishing medium supply system, a pipeline and two fire-fighting fog guns, wherein one end of the pipeline is connected with an outlet of the fire extinguishing medium supply system, the other end of the pipeline is provided with two outlets, each outlet is connected with one fire-fighting fog gun, two opposite surfaces of the outdoor transformer are respectively provided with a first rail trolley and a second rail trolley, the two opposite rail trolleys cover 1 or more transformers, each rail trolley is respectively provided with one fire-fighting fog gun and a station position adjusting and controlling device, and each fire-fighting fog gun is provided with a jet control device. The intelligent and flexible station selection system has the advantages of intelligent and flexible station selection, good wind resistance, suitability for fire extinguishing operation of outdoor transformers, simple system pipe network and contribution to maintenance and operation of the transformers.
Description
Technical Field
The invention relates to a fire extinguishing system of an outdoor transformer, in particular to an intelligent fire extinguishing system of a rail trolley type outdoor transformer.
Background
The transformer substation plays an important role in starting and stopping in the whole power transmission and transformation system, and fire-fighting work is an important link for daily safe operation of the transformer substation. Aiming at the emergency, the fire-fighting system must be put into operation in time to reliably extinguish the early fire or control the fire to expand and spread. The fire extinguishing device for the outdoor transformer substation in the prior art mainly adopts water spray, foam spray and other modes, and a plurality of pipe networks and nozzles are arranged around the transformer through the water spray and the foam spray, so that the simplicity and the attractiveness of the periphery of the transformer are influenced, the overhauling operation is realized, and the wind resistance is poor.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide an intelligent fire extinguishing system of a rail trolley type outdoor transformer, which can keep the periphery of the transformer concise, has strong wind resistance and can reliably protect the transformer in all weather.
The technical scheme is as follows: the invention relates to an intelligent fire extinguishing system of a rail trolley type outdoor transformer, which comprises a fire extinguishing medium supply system, a pipeline and two fire-fighting fog guns, wherein one end of the pipeline is connected with an outlet of the fire extinguishing medium supply system, the other end of the pipeline is provided with two outlets, each outlet is connected with one fire-fighting fog gun, two opposite surfaces of the outdoor transformer are respectively provided with a first support frame and a second support frame, the first support frame and the second support frame are respectively provided with a first rail trolley and a second rail trolley, the first rail trolley and the second rail trolley are respectively provided with a first rail trolley and a second rail trolley, the two opposite rail trolleys cover 1 or more transformers, the first rail trolley and the second rail trolley are respectively provided with one fire-fighting fog gun, each rail trolley is respectively provided with a station position adjusting and controlling device, each fire-fighting fog gun is provided with an injection control device.
Furthermore, the first rail and the second rail are respectively arranged at the top end of the support frame, the rail traveling surface faces downwards, and the rail trolley is inversely suspended on the rails.
Furthermore, the pipeline outlet and the fire-fighting fog gun are connected through a hose, a tow chain is arranged on the support frame, the hose is arranged in the tow chain, when the rail trolley travels, the tow chain carries the hose to travel along with the rail trolley, the tow chain can ensure that the hose keeps normal water delivery when the hose turns to and is bent, and the tow chain has the function of fixing a water pipe, so that the hose does not shake under the action of large water pressure.
Furthermore, the fire-fighting fog gun is a set of a jet fan water mist spray nozzle and a large-flow gun head, the large-flow gun head is integrated in the center of the jet fan and can spray water or foam mixed liquid in a mist cone shape, the working mode is a mode of starting the jet fan water mist in advance, the fire extinguishing time of the water mist mode can be set by a spray control device, the large-flow gun head is started to quickly extinguish a fire if the fire is not extinguished within the set time (for example, 5 minutes), and the foam mixed liquid can be sprayed by the large-flow gun head, so that the quick fire extinguishing is realized, and the fire extinguishing reliability is improved.
Furthermore, the jet fans are driven by a hydraulic motor, the wind cylinders are small in size and convenient to adjust the speed, and the two jet fans are intensively provided with one hydraulic station; the jet flow fan is provided with a pitching and horizontal rotation adjusting mechanism for adjusting the spraying direction; the impeller of the jet flow fan adjusts the rotating speed through the variable displacement pump, so that the fine water mist range of the jet flow fan is adjusted and controlled to achieve the optimal spraying state, and the adverse factors of oxygen carrying and fire extinguishing of a mist gun of the jet flow fan are favorably reduced; the pitching and horizontal rotation adjusting mechanism and the variable pump are respectively controlled by the injection control device.
Furthermore, the intelligent fire extinguishing system of the rail trolley type outdoor transformer further comprises an intelligent processing system, wherein the intelligent processing system comprises a fire alarm controller, a first-path fire detector, a wind direction and wind speed sensor, a second-path fire detector, an audible and visual alarm and fire-fighting linkage control equipment;
the fire alarm controller is respectively connected with a first path of fire detector, a wind direction and wind speed sensor, a second path of fire detector, an audible and visual alarm and fire-fighting linkage control equipment, firstly receives a fire signal and a fire transformer position signal sent by the first path of fire detector, and sends an alarm instruction to the audible and visual alarm; secondly, receiving wind direction and wind speed information of a fire scene from a wind direction and wind speed sensor, and sending a station position instruction to a station position adjusting and controlling device of the rail trolley according to a position signal of a firing transformer and the wind direction information; thirdly, receiving a fire signal sent by a second path of fire detector in the same defense area to confirm the occurrence of the fire; fourthly, after receiving a power-off signal of a circuit breaker at each side of the main transformer or at the power inlet side, respectively sending a starting instruction to the fire-fighting linkage control equipment and the injection control device;
the fire detector monitors whether a fire occurs or not, and immediately sends a fire signal and the position information of the ignition transformer to the fire alarm controller according to the monitored fire signal;
the wind direction and wind speed sensor monitors wind speed and wind direction of a fire scene and sends wind speed and wind direction information to the fire alarm controller;
the two paths of fire detectors determine whether a fire happens for the second time in the same defense area, and immediately send out a fire signal to the fire alarm controller so as to determine that the fire happens;
the audible and visual alarm receives an alarm instruction sent by the fire alarm controller and sends an audible and visual alarm signal;
and the circuit breaker of the main transformer receives a power-off instruction from the fire alarm controller, and feeds back a power-off signal after power-off so as to ensure that the fire is extinguished by spraying under the power-off condition.
Furthermore, the intelligent fire extinguishing system of the rail trolley type outdoor transformer further comprises a remote control system, wherein the remote control system is in communication connection with the fire-fighting linkage control equipment and is used for remotely shooting and monitoring the outdoor transformer, and after a fire is found, the intelligent processing system is remotely started.
Furthermore, the intelligent fire extinguishing system of the rail trolley type outdoor transformer is also provided with a manual operation function for manual operation of field personnel, and comprises a manual starting button of a fire extinguishing system, emergency mechanical operation of a zone control valve, a manual operation part of a circuit breaker, a station position adjusting control device and a spraying control device, and any one or more of the manual starting of the fire extinguishing system, the emergency manual high-voltage equipment power failure, the manual adjustment of the station position of the rail trolley and the spraying control device can be used for the field personnel to work.
Further, the fire extinguishing medium is water or foam mixed liquid.
Furthermore, two common opposite surfaces of the outdoor transformer are provided with two rail trolleys which work simultaneously to extinguish fire in the opposite direction of any one ignition transformer, so that the fire extinguishing reliability of the outdoor windy environment is improved. The two fire-fighting fog guns protect a plurality of transformers, the trolleys on the two sides respectively have an initial position corresponding to each transformer, when a fire disaster happens, the transformer is firstly determined to be on fire according to a fire detector, then a target initial position needing to be moved is determined, then a set moving distance in a defense area is determined according to the wind direction, the trolleys are controlled by the station position adjusting and controlling device to walk to a preset position, and then the rotating angle is adjusted by the spraying control device according to the set spraying direction of each position in the defense area.
Has the advantages that: the rail trolleys of the intelligent fire extinguishing system can automatically select station positions and fire-fighting fog gun spraying parameters according to the current wind direction and wind speed, have good wind resistance, can be reliably protected by only two rail trolleys for a plurality of transformers, and are suitable for fire extinguishing operation of outdoor transformers; the system pipe network is simple, and has no influence on the overhaul operation and the beautiful vision of the transformer.
Drawings
FIG. 1 is a schematic diagram of an intelligent fire suppression system for a rail car type outdoor transformer according to the present invention;
FIG. 2 is a flow chart of the present invention;
fig. 3 schematically illustrates a drag chain.
Detailed Description
For a further understanding of the present invention, reference will now be made in detail to the embodiments illustrated in the drawings.
The intelligent fire extinguishing system of the trolley-type outdoor transformer of the embodiment comprises a foam mixed liquid supply system 1, a pipeline 2, two fire-fighting fog guns 11 and an intelligent processing system. The two opposite sides of the outdoor transformer are respectively provided with a first support frame 3 and a second support frame 4, the top ends of the first support frame 3 and the second support frame 4 are respectively provided with a first track 5 and a second track 6, the track walking surfaces are downward, a first rail trolley 7 and a second rail trolley 8 are respectively inversely hung on the first track 5 and the second track 6, the two opposite rail trolleys cover 1 or a plurality of transformers 9, the first rail trolley 7 and the second rail trolley 8 are respectively provided with a station position adjusting and controlling device and are respectively provided with a fire-fighting fog gun integrating a group of fine water fog nozzles and a large flow gun head, the large flow gun head is integrated in the center of a jet fan and can spray foam mixed liquid in a fog cone shape, the jet fan is driven by a hydraulic motor, the two jet fans are centrally provided with a hydraulic station, and the jet fan is provided with a pitching and horizontal rotation adjusting mechanism, the impeller of the jet flow fan adjusts the rotating speed through the variable pump, so that the fine water mist range of the jet flow fan is adjusted and controlled; the pitching and horizontal rotation adjusting mechanism and the variable pump are respectively controlled by the injection control device, the injection control device determines the working range of the fire-fighting fog gun according to the wind speed signal so as to determine the working parameters of the variable hydraulic pump, and the injection control device adjusts the working state of the pitching and horizontal rotation adjusting mechanism according to the measured wind direction.
One end of the pipeline 2 is connected with the foam mixed liquid supply system 1, the other end of the pipeline is divided into two outlets, a water mist spray head and a large-flow gun head of each rail trolley are connected to one outlet through a hose 12, a drag chain 10 is arranged on each supporting steel frame, the hose 12 is arranged in the drag chain 10, and when the rail trolley travels, the drag chain carries the hose to travel along with the rail trolley; the tow chain can ensure that the hose keeps normal water delivery when turning to bending, and has the effect of fixed water pipe, does not take place to rock under great water pressure effect. And the fire-fighting fog gun of each small rail car is provided with a spray control device. The working mode is a water mist mode in which the jet fan is started in advance, a large-flow gun head is started to quickly extinguish a fire if the fire is not extinguished within a set time, and foam mixed liquid can be sprayed on the large-flow gun head to realize quick fire extinguishment.
The intelligent processing system comprises a fire alarm controller, a first-path fire detector, a second-path fire detector, an audible and visual alarm, a wind direction and speed sensor and fire-fighting linkage control equipment, and works as follows:
(1) the fire detector monitors whether a fire occurs or not, and immediately sends a monitored fire signal and the position information of the firing transformer to the fire alarm controller;
(2) the fire alarm controller receives a fire signal and a fire transformer position signal sent by one path of fire detector and sends the fire signal to the fire alarm detector;
(3) the wind direction and wind speed sensor monitors the wind speed and the wind direction of a fire scene and sends the wind speed and the wind direction information to the fire alarm controller,
(4) the fire alarm controller receives wind direction and wind speed information of a fire scene from a wind direction and wind speed sensor and sends a station position instruction to a station position adjusting and controlling device of the rail trolley according to the position information and the wind direction information of the firing transformer;
(5) the two paths of fire detectors carry out secondary monitoring in the same defense area to determine whether a fire happens or not so as to confirm that the fire happens;
(6) the fire alarm controller receives a fire signal and a fire transformer position signal sent by a second path of fire detector in the same defense area and sends an alarm instruction to the audible and visual alarm;
(7) the audible and visual alarm sends out an alarm signal;
(8) and the circuit breaker of the main transformer receives a power-off instruction from the fire alarm controller, and feeds back a power-off signal after power-off so as to ensure that the fire is extinguished by spraying under the power-off condition.
(9) And after receiving the power-off signal, the fire alarm controller respectively sends a starting instruction to the fire-fighting linkage control equipment and the injection control device, and meanwhile, the injection control device determines the working range of the fine water spray nozzle mode according to the wind speed signal so as to set working parameters of the variable hydraulic pump.
The intelligent fire-fighting remote control system is characterized by further comprising a remote control system and a manual operation function, wherein the remote control system is in communication connection with the fire-fighting linkage control equipment and is used for remotely monitoring the outdoor transformer and remotely starting the intelligent processing system after a fire is found. The manual operation function is used for any one or more of manually starting a fire-fighting system by field personnel, powering off emergency manual high-voltage equipment, manually adjusting a station position adjusting control device and a spraying control device of the rail trolley.
Claims (6)
1. An intelligent fire extinguishing system of a rail trolley type outdoor transformer is characterized by comprising a fire extinguishing medium supply system (1), a pipeline (2), two fire-fighting fog guns (11) and an intelligent processing system, wherein one end of the pipeline (2) is connected with an outlet of the fire extinguishing medium supply system (1), the other end of the pipeline (2) is provided with two outlets, each outlet is connected with one fire-fighting fog gun (11), two opposite sides of an outdoor transformer are respectively provided with a first support frame (3) and a second support frame (4), the first support frame (3) and the second support frame (4) are respectively provided with a first rail (5) and a second rail (6), the first rail (5) and the second rail (6) are respectively provided with a first rail trolley (7) and a second rail trolley (8), and the two opposite rail trolleys cover 1 or more transformers (9), the first rail trolley (7) and the second rail trolley (8) are respectively provided with one fire-fighting fog gun (11), each rail trolley is provided with a station adjusting and controlling device, each fire-fighting fog gun is provided with an injection controlling device and comprises a jet fan water mist spray nozzle and a large-flow gun head, the large-flow gun head is integrated in the center of the jet fan, the jet fans are driven by hydraulic motors, the two jet fans are integrally provided with one hydraulic station, each jet fan is provided with a pitching and horizontal rotation adjusting mechanism, an impeller of each jet fan adjusts the rotating speed through a variable pump, so that the water mist spray range of each jet fan is adjusted, and the pitching and horizontal rotation adjusting mechanisms and the variable pumps are respectively controlled by the injection controlling devices;
the intelligent processing system comprises a fire alarm controller, a first fire detector, a wind direction and wind speed sensor, a second fire detector, an audible and visual alarm and fire-fighting linkage control equipment, wherein each transformer corresponds to two independent fire detectors;
the fire alarm controller is respectively connected with a first path of fire detector, a wind direction and wind speed sensor, a second path of fire detector and an audible and visual alarm, and firstly receives a fire signal and a position signal of a firing transformer sent by the first path of fire detector from a defense area and sends an alarm instruction to the audible and visual alarm; secondly, receiving wind direction and wind speed information of a fire scene from a wind direction and wind speed sensor, and sending a station position instruction to a station position adjusting and controlling device of the rail trolley according to the position information and the wind direction information of the firing transformer; thirdly, receiving a fire signal sent by a second path of fire detector in the same defense area to confirm that a fire happens; fourthly, after receiving a power-off signal of a circuit breaker at each side of the main transformer or at the power inlet side, respectively sending a starting instruction to the fire-fighting linkage control equipment and the injection control device;
the fire detector monitors whether a fire occurs or not, and immediately sends a monitored fire signal and a position signal of the ignition transformer to the fire alarm controller;
the wind direction and wind speed sensor monitors wind speed and wind direction of a fire scene and sends wind speed and wind direction information to the fire alarm controller;
the two paths of fire detectors monitor whether a fire happens in the same defense area for the second time, and immediately send out a fire signal to the fire alarm controller so as to confirm the occurrence of the fire;
the audible and visual alarm receives an alarm instruction sent by the fire alarm controller and sends an audible and visual alarm signal;
and the circuit breaker of the main transformer receives a power-off command from the fire alarm controller, and feeds back a power-off signal after power-off so as to ensure that the fire is extinguished by spraying under the power-off condition.
2. The intelligent fire extinguishing system for the trolley-type outdoor transformer of claim 1, wherein each track is arranged at the top end of the corresponding support frame, the track running surface faces downwards, and the trolley is hung on the track in an inverted manner.
3. The intelligent fire extinguishing system for the trolley-type outdoor transformer of claim 1, wherein the pipeline outlet and the fire-fighting fog gun are connected through a hose (12), the support frame is provided with a drag chain (10), and the hose (12) is placed in the drag chain (10).
4. The intelligent fire extinguishing system for the trolley-type outdoor transformer of claim 1, wherein the injection control device determines the working range of a fire-fighting fog gun according to the wind speed signal, and further sets the working parameters of the variable hydraulic pump.
5. The intelligent fire extinguishing system for the trolley-type outdoor transformer of claim 1, further comprising a remote control system for remotely monitoring the outdoor transformer and remotely starting the intelligent processing system after a fire is discovered.
6. The intelligent fire extinguishing system for the trolley type outdoor transformer of the railway as claimed in claim 1, wherein a manual operation part is further provided for manual operation of field personnel, including manual start button of fire fighting system, emergency mechanical operation of zone control valve, and manual operation parts of circuit breaker, station regulation control device and injection control device.
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| CN201911317206.6A CN111068208B (en) | 2019-12-19 | 2019-12-19 | Intelligent fire extinguishing system of railway trolley type outdoor transformer |
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| CN201911317206.6A CN111068208B (en) | 2019-12-19 | 2019-12-19 | Intelligent fire extinguishing system of railway trolley type outdoor transformer |
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| CN111068208B true CN111068208B (en) | 2021-02-05 |
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| CN111790082B (en) * | 2020-06-22 | 2021-05-25 | 国网安徽省电力有限公司电力科学研究院 | Operation control method suitable for extra-high voltage converter station fire-fighting system |
| CN111701166B (en) * | 2020-07-07 | 2023-04-07 | 国网安徽省电力有限公司电力科学研究院 | Ultra-high voltage converter station comprehensive fire control method and system based on time sequence control |
| CN111701173B (en) * | 2020-07-07 | 2023-04-11 | 国网安徽省电力有限公司电力科学研究院 | Auxiliary fire extinguishing equipment and method for extra-high voltage converter station and extra-high voltage converter station |
| CN112791331B (en) * | 2021-01-05 | 2022-05-20 | 许继集团有限公司 | Remote emergency unlocking method for fire-fighting equipment of transformer substation |
| CN115607876B (en) * | 2022-10-27 | 2023-08-29 | 深圳市城市公共安全技术研究院有限公司 | Fire extinguishing device and method for target area |
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