CN114247068A - Implementation method of main transformer fire-fighting water spraying fire-extinguishing system - Google Patents
Implementation method of main transformer fire-fighting water spraying fire-extinguishing system Download PDFInfo
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- CN114247068A CN114247068A CN202111579415.5A CN202111579415A CN114247068A CN 114247068 A CN114247068 A CN 114247068A CN 202111579415 A CN202111579415 A CN 202111579415A CN 114247068 A CN114247068 A CN 114247068A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005507 spraying Methods 0.000 title claims description 8
- 239000007921 spray Substances 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 239000008400 supply water Substances 0.000 claims abstract description 5
- 238000012360 testing method Methods 0.000 claims description 14
- 239000003595 mist Substances 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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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
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention provides a method for realizing a main transformer fire-fighting water spray fire-extinguishing system, which comprises the following steps: step S1, when the main transformer is in fire, the main transformer local cable type temperature-sensing fire detector acts; step S2, after the input module in the main transformer temperature-sensing detection module box receives the alarm signal of the cable temperature-sensing fire detector, the alarm signal is transmitted to a main transformer fire-fighting host in a fire-fighting control room; step S3, carrying out logic judgment in real time by a main transformer fire-fighting host in a fire-fighting control room, and sending an action signal to a deluge valve group in a water pump room when four of 3 local temperature-sensitive detectors and manual alarm detectors of one phase of main transformer act and three-side switches of the main transformer are disconnected; step S4, the water spray fire extinguishing system receives the main transformer fire fighting host action signal, opens the corresponding deluge valve control cavity to release pressure, the deluge valve acts, starts the water spray fire extinguishing system to supply water to extinguish fire; the fire-fighting fire-extinguishing system can realize fire-fighting of the main transformer and guarantee the operation of the transformer substation.
Description
Technical Field
The invention relates to the technical field of main transformer fire-fighting fire extinguishing, in particular to a method for realizing a main transformer fire-fighting water spray fire-extinguishing system.
Background
The 500kV transformer is the key point of the fire-fighting design of the transformer substation, and the water spray fire-extinguishing system has the advantages of no pollution, strong continuous fire-extinguishing capability and the like, so that the 500kV transformer is a fire-extinguishing system preferentially selected at present. The national grid regulation of the water spray fire extinguishing control system is specified, but no specific implementation scheme is available, the system design difference among stations is large, and a plurality of hidden dangers exist in part of design schemes: firstly, fire control of a plurality of transformers is not independent, an electric loop is shared, and the operation of another transformer is influenced by the exit of one transformer; secondly, the building fire alarm system and the transformer fire-fighting system share one set of host, and the maintenance of the building fire alarm system will influence the operation of the transformer fire-fighting system; the running state of a fire pump, a solenoid valve of a deluge valve group, a pressure switch and a signal valve system in the system are not monitored or are not monitored completely, and operation and maintenance personnel cannot control the state of main transformer fire control in real time; the main transformer alarm automatic starting logic does not consider the position of a circuit breaker on each side of the main transformer, so that the transformer can be electrified to extinguish fire, and the fire range is expanded; only one or two sets of main transformer fire alarm detectors are arranged, the damage of one set can directly start the fire protection of the transformer, and the redundancy is not enough; sixthly, the 500kV transformer substation basically realizes an unattended station, only security guards exist in the transformer substation normally, and the main transformer fire-fighting system does not consider an emergency starting mode under the condition of automatic starting failure; and a 500kV transformer substation is large in field, signal acquisition and fire control starting are realized by weak current of a long cable, and the anti-interference performance is poor.
Disclosure of Invention
In view of this, the invention aims to provide a method capable of realizing fire fighting of a main transformer and ensuring operation of a transformer substation.
The invention is realized by adopting the following method: a method for realizing a main transformer fire-fighting water spray fire-extinguishing system comprises the following steps:
step S1, when the main transformer is in fire, the main transformer local cable type temperature-sensing fire detector acts;
step S2, the main transformer temperature sensing detection module in-box input module receives the alarm signal of the cable temperature sensing fire detector and then transmits the alarm signal to the main transformer fire-fighting host in the fire-fighting control room;
step S3, carrying out logic judgment in real time by a main transformer fire-fighting host in a fire-fighting control room, and sending an action signal to a water spray fire-extinguishing system in a water pump room when two of 3 local temperature-sensitive detectors and two of manual alarm detectors of one phase of main transformer act simultaneously and three-side switches of the main transformer are disconnected;
s4, the water spray fire extinguishing system receives the main transformer fire fighting host action signal, the deluge valve acts, the corresponding deluge valve control cavity is opened to release pressure, and the water spray fire extinguishing system is started to supply water for fire extinguishing; when the deluge valve acts, the hydraulic alarm bell will give an alarm,
meanwhile, the pressure switch and the signal valve act to feed back an alarm signal to the main transformer temperature sensing detection module box again.
Further, step S1 is become fire control system that becomes includes that the fire control switch board that becomes, the main fire emergency starting box of guard room become, become temperature sensing detection module case, fire water pump control cabinet, module cabinet and spraying fire extinguishing system constitute, become fire control switch board with become temperature sensing detection module case electric connection that becomes, become fire control switch board and the main fire emergency starting box electric connection that becomes of guard room, spraying fire control system with become fire control switch board electric connection, become fire control switch board and receive the fire detection signal that becomes temperature sensing detection module case, with the actuating signal after satisfying the starting condition, become fire control host with actuating signal transmission to module cabinet relay on the spot, spraying fire extinguishing system is through relay start rain valves solenoid valve, and the control chamber pressure release starts the water supply and puts out a fire.
Further, the main transformer temperature-sensing detection module box comprises a double-input module MK1, a double-input module MK2, a double-input module MK3, a fire data line, a fire power line, a cable temperature-sensing fire detector signal processor TCQ1, a cable temperature-sensing fire detector signal processor TCQ2, a cable temperature-sensing fire detector signal processor TCQ3, a cable temperature-sensing fire detector terminal box ZDH1, a cable temperature-sensing fire detector terminal box ZDH2, a cable temperature-sensing fire detector terminal box ZDH3, a temperature and humidity controller WSK, a heater JQ1 and a heater JQ2, wherein the double-input module MK1 is connected with an S + port and an S-port of the fire data line, the double-input module MK1 is connected with an X1 pin and an X2 pin of the cable temperature-sensing fire detector signal processor TCQ1, and both an A pin and a pin B of the cable temperature-sensing fire detector signal processor TCQ1 are connected with the cable temperature-sensing fire detector terminal box ZDH1, a D + pin of the cable type temperature-sensing fire detector signal processor TCQ1 is connected with a D + port of the fire power line, and a D-pin of the cable type temperature-sensing fire detector signal processor TCQ1 is connected with a D-port of the fire power line; the dual-input module MK2 is connected with an S + port and an S-port of the fire data line, the dual-input module MK2 is connected with an X1 pin and an X2 pin of a cable-type temperature-sensing fire detector signal processor TCQ2, an A pin and a B pin of the cable-type temperature-sensing fire detector signal processor TCQ2 are both connected with a cable-type temperature-sensing fire detector terminal box ZDH2, a D + pin of the cable-type temperature-sensing fire detector signal processor TCQ2 is connected with a D + port of the fire power line, and a D-pin of the cable-type temperature-sensing fire detector signal processor TCQ2 is connected with a D-port of the fire power line; the dual-input module MK3 is connected with an S + port and an S-port of the fire data line, the dual-input module MK3 is connected with an X1 pin and an X2 pin of a cable-type temperature-sensing fire detector signal processor TCQ3, an A pin and a B pin of the cable-type temperature-sensing fire detector signal processor TCQ3 are both connected with a cable-type temperature-sensing fire detector terminal box ZDH3, a D + pin of the cable-type temperature-sensing fire detector signal processor TCQ3 is connected with a D + port of the fire power line, and a D-pin of the cable-type temperature-sensing fire detector signal processor TCQ3 is connected with a D-port of the fire power line; heater JRQ1 with temperature and humidity controller WSK connects, temperature and humidity controller WSK is connected with change over switch 1ZKK, change over switch 1ZKK is connected with live wire L, heater JRQ2 is connected with change over switch 2ZKK, change over switch 2ZKK with temperature and humidity controller WSK is connected with ground wire N after establishing ties.
Furthermore, the water spray fire extinguishing system comprises a main transformer fire fighting host, the cable type line-type temperature-sensing fire detector is arranged in the main transformer temperature-sensing detection module box and is connected with a temperature-sensing cable, the temperature-sensing cable is wound on a main transformer body, the main transformer fire fighting host is connected with a first pressure gauge and a test signal valve, the first pressure gauge is connected with a hydraulic alarm bell, the test signal valve is connected with a water testing valve, the test signal valve is connected with a rain alarm valve, the hydraulic alarm bell is connected with the rain alarm valve, the rain alarm valve is connected with a second pressure gauge, a third pressure gauge, a solenoid valve, a remote manual device and a drain valve, the drain valve is connected with a drainage pipeline, the main transformer fire fighting host is connected with a water inlet signal valve, and the water inlet signal valve is connected with a filter, the filter is connected with the water mist spray head through a water inlet pipeline.
Further, become fire control switch board that becomes includes the cabinet body, be provided with on the cabinet body and become fire control host computer, be provided with bus control panel, pilot lamp, display screen and keyboard on the host computer, pilot lamp, display screen and keyboard set up from a left side to the right side by side, the bus control panel with pilot lamp, display screen and keyboard set up from top to bottom, be provided with the power panel on the cabinet body, the power panel with become and set up from top to bottom of fire control host computer.
Further, the main transformer fire control cabinet comprises a control power supply KM, an emergency box switch JZK, a main transformer fire emergency starting box, a buzzer FMQ, a main transformer A phase 1AZJ1, a main transformer A phase 1AZJ2, a main transformer B phase 1BZJ1, a main transformer B phase 1BZJ2, a main transformer C phase 1CZJ1 and a main transformer C phase 1CZJ2, the control power supply KM is connected with the main transformer fire emergency starting box through the emergency box switch JZK, the buzzer FMQ is arranged in the main transformer fire emergency starting box, the main transformer A phase 1AZJ1 and the main transformer A phase 1AZJ2 are connected in series and then connected with an intermediate relay ZJ1, the main transformer B phase 1BZJ1 and the main transformer B phase 1BZJ2 are connected in series and then connected with an intermediate ZJ2, and the main transformer C phase 1CZJ1 and the main transformer C phase 1 ZJ2 are connected with an intermediate relay ZJ 3.
The invention has the beneficial effects that: according to the invention, each main transformer fire-fighting loop is independent, and one main transformer is overhauled, so that the fire-fighting operation of other main transformers is not influenced; each phase of main transformer is provided with 3 temperature-sensing cable detectors, the action condition adopts a single mode of taking two out of three, and the normal work can not be carried out if one mode is damaged compared with the conventional mode of avoiding the conventional mode of taking two out of two, so that the reliability is obviously improved; the DC220V loop is adopted for the main transformer switch position and the main transformer fire-fighting action, and compared with the conventional 24V loop, the anti-interference performance is obviously enhanced; the module cabinet is arranged in the water pump room, various states of the water spray fire extinguishing system are monitored in real time, damaged equipment can be replaced in time, and long-term normal and stable operation of the system is guaranteed; an emergency box is arranged in a guard room, so that the main transformer can be started to extinguish fire in emergency, and the reliable operation of the transformer substation is guaranteed.
Drawings
FIG. 1 is a schematic flow chart of the method of the present invention.
Fig. 2 is a schematic diagram of the apparatus arrangement of the present invention.
Fig. 3 is a schematic diagram of the arrangement of the internal equipment of the present invention.
Fig. 4 is a schematic wiring diagram of the main transformer temperature sensing detection module box.
Fig. 5 is a schematic layout diagram of the main transformer fire control cabinet.
Fig. 6 is a wiring schematic diagram of the main transformer fire control cabinet.
FIG. 7 is a schematic wiring diagram of a water spray fire suppression system.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1, the method for implementing a main transformer fire-fighting water spray fire-extinguishing system of the present invention comprises the following steps:
step S1, when the main transformer is in fire, the main transformer local cable type temperature-sensing fire detector acts;
step S2, the main transformer temperature sensing detection module in-box input module receives the alarm signal of the cable temperature sensing fire detector and then transmits the alarm signal to the main transformer fire-fighting host in the fire-fighting control room;
step S3, carrying out logic judgment in real time by a main transformer fire-fighting host in a fire-fighting control room, and sending an action signal to a water spray fire-extinguishing system in a water pump room when two of 3 local temperature-sensitive detectors and two of manual alarm detectors of one phase of main transformer act simultaneously and three-side switches of the main transformer are disconnected;
s4, the water spray fire extinguishing system receives the main transformer fire fighting host action signal, the deluge valve acts, the corresponding deluge valve control cavity is opened to release pressure, and the water spray fire extinguishing system is started to supply water for fire extinguishing; when the deluge valve acts, the hydraulic alarm bell will give an alarm,
meanwhile, the pressure switch and the signal valve act to feed back an alarm signal to the main transformer temperature sensing detection module box again.
Referring to fig. 2 and 3, in an embodiment of the present invention, the main-transformer fire-fighting system in step S1 includes a main-transformer fire-fighting control cabinet, a main-transformer fire emergency starting box of a security room, a main-transformer temperature-sensing detection module box, a fire-fighting water pump control cabinet, a module cabinet, and a spray fire-extinguishing system, the main-transformer fire-fighting control cabinet is electrically connected to the main-transformer temperature-sensing detection module box, the main-transformer fire-fighting control cabinet is electrically connected to the main-transformer fire emergency starting box of the security room, the spray fire-extinguishing system is electrically connected to the main-transformer fire-fighting control cabinet, the main-transformer fire-fighting control cabinet receives a fire detection signal from the main-transformer temperature-sensing detection module box, the main-transformer fire-fighting control host performs a logic judgment, when a starting condition is met, the main-transformer fire-fighting host transmits an action signal to an on-site module cabinet relay, the spray fire-extinguishing system starts a rain valve set via the relay, the control cavity is decompressed, starts to supply water and extinguishes fire.
Referring to fig. 4, in an embodiment of the present invention, the main transformer temperature-sensing detection module box includes a dual-input module MK1, a dual-input module MK2, a dual-input module MK3, a fire data line, a fire power line, a cable temperature-sensing fire detector signal processor TCQ1, a cable temperature-sensing fire detector signal processor TCQ2, a cable temperature-sensing fire detector signal processor TCQ3, a cable temperature-sensing fire detector terminal box ZDH1, a cable temperature-sensing fire detector terminal box ZDH2, a cable temperature-sensing fire detector terminal box ZDH3, a temperature and humidity controller WSK, a heater JQ1 and a heater JQ2, the dual-input module MK1 is connected to S + port and S-port of the fire data line, the dual-input module MK1 is connected to X1 pin and X2 pin of the cable temperature-sensing fire detector signal processor TCQ1, both a pin a and pin B of the cable temperature-sensing fire detector signal processor TCQ1 are connected to the cable temperature-sensing fire detector terminal box ZDH1, a D + pin of the cable type temperature-sensing fire detector signal processor TCQ1 is connected with a D + port of the fire power line, and a D-pin of the cable type temperature-sensing fire detector signal processor TCQ1 is connected with a D-port of the fire power line; the dual-input module MK2 is connected with an S + port and an S-port of the fire data line, the dual-input module MK2 is connected with an X1 pin and an X2 pin of a cable-type temperature-sensing fire detector signal processor TCQ2, an A pin and a B pin of the cable-type temperature-sensing fire detector signal processor TCQ2 are both connected with a cable-type temperature-sensing fire detector terminal box ZDH2, a D + pin of the cable-type temperature-sensing fire detector signal processor TCQ2 is connected with a D + port of the fire power line, and a D-pin of the cable-type temperature-sensing fire detector signal processor TCQ2 is connected with a D-port of the fire power line; the dual-input module MK3 is connected with an S + port and an S-port of the fire data line, the dual-input module MK3 is connected with an X1 pin and an X2 pin of a cable-type temperature-sensing fire detector signal processor TCQ3, an A pin and a B pin of the cable-type temperature-sensing fire detector signal processor TCQ3 are both connected with a cable-type temperature-sensing fire detector terminal box ZDH3, a D + pin of the cable-type temperature-sensing fire detector signal processor TCQ3 is connected with a D + port of the fire power line, and a D-pin of the cable-type temperature-sensing fire detector signal processor TCQ3 is connected with a D-port of the fire power line; heater JRQ1 with temperature and humidity controller WSK connects, temperature and humidity controller WSK is connected with change over switch 1ZKK, change over switch 1ZKK is connected with live wire L, heater JRQ2 is connected with change over switch 2ZKK, change over switch 2ZKK with temperature and humidity controller WSK is connected with ground wire N after establishing ties. The signal processor, the terminal box and the dual-input module of the cable type linear temperature-sensing fire detector in the main transformer temperature-sensing detection module box are all in the prior art, and persons skilled in the art can clearly understand that the signal processor, the terminal box and the dual-input module are not described in detail herein, the signal processor of the cable type linear temperature-sensing fire detector adopted in the invention can be JTW-LD-PTA302P, the dual-input module is GST-LD-8303, and 3 sets of cable type linear temperature-sensing fire detectors are arranged in the box.
Referring to fig. 7, in an embodiment of the present invention, the water spray fire extinguishing system includes a main transformer fire fighting host 1, the main transformer fire fighting host 1 is connected to a cable-type line-type temperature-sensitive fire detector 2, the cable-type line-type temperature-sensitive fire detector 2 is disposed in the main transformer temperature-sensitive detection module box, the cable-type line-type temperature-sensitive fire detector 2 is connected to a temperature-sensitive cable 3, the temperature-sensitive cable is wound on a main transformer body, the main transformer fire fighting host 1 is connected to a first pressure gauge 4, a test signal valve 5 and a solenoid valve 11, the first pressure gauge 4 is connected to a hydraulic alarm bell 6, the test signal valve 5 is connected to a water test valve 7, the test signal valve 5 is connected to a rain alarm valve 8, the hydraulic alarm bell 6 is connected to the rain alarm valve 8, the rain alarm valve 8 is connected to a second pressure gauge 9, a third pressure gauge 10, a solenoid valve 11, a third pressure gauge, a second pressure gauge 3, a third pressure gauge, a second pressure gauge, a third pressure gauge, a temperature-sensitive fire detector, a temperature sensors, a temperature, The fire detector comprises a manual valve 12, a non-electric control remote manual device 13 and a water drain valve 14, wherein the water drain valve 14 is connected with a drainage pipeline 15, the main fire-fighting host 1 is connected with a water inlet signal valve 16, the water inlet signal valve 16 is connected with a filter 17, the filter 17 is connected with a water spray nozzle 18 through a water inlet pipeline, the model of the cable type linear temperature-sensing fire detector can be a JTW-LD-PTA302P fire detector, and the model of the non-electric control remote manual device can be a PMC-1R, but the fire detector is not limited thereto.
Referring to fig. 5, in an embodiment of the present invention, the main transformer fire-fighting control cabinet includes a cabinet body 20, a main transformer fire-fighting host 21 is disposed on the cabinet body 20, a bus control panel 22, an indicator light 23, a display screen 24 and a keyboard 25 are disposed on the host 21, the indicator light 23, the display screen 24 and the keyboard 25 are disposed side by side from left to right, the bus control panel 22, the indicator light 23, the display screen 24 and the keyboard 25 are disposed up and down, a power panel 26 is disposed on the cabinet body 20, and the power panel 26 and the main transformer fire-fighting host 21 are disposed up and down. The main transformer fire-fighting host 21 is used as a center of a main transformer fire-fighting control system, receives fire information of a main transformer temperature-sensing cable detector, the on-off state of each side switch of the main transformer and the state of a water spray fire-extinguishing system in real time, and automatically starts fire extinguishing when fire occurs; a fire-fighting host, a power panel and manual buttons are arranged in the main transformer fire-fighting control cabinet, the fire-fighting host adopted in the invention can be GST-QB-500, the power panel is GST-LD-D02, but the invention is not limited to the above, and 24 manual buttons are arranged in the box.
Referring to fig. 6, in an embodiment of the present invention, the main-transformer fire control cabinet includes a control power supply KM, an emergency box switch JZK, a main-transformer fire emergency starting box, a buzzer FMQ, a main-transformer a-phase 1AZJ1, a main-transformer a-phase 1AZJ2, a main-transformer B-phase 1BZJ1, a main-transformer B-phase 1BZJ2, a main-transformer C-phase 1CZJ1, and a main-transformer C-phase 1CZJ2, the control power supply KM is connected to the main-transformer fire emergency starting box through the emergency box switch JZK, the main-transformer fire emergency starting box is provided with the buzzer FMQ, the main-transformer a-phase 1AZJ1 and the main-transformer a-phase 1AZJ2 are connected to an intermediate relay ZJ 7 after being connected to a series, the main-transformer B-phase 1BZJ1 and the main-transformer B-phase 1BZJ2 are connected to an intermediate relay ZJ2 after being connected to a series, and the main-transformer C-phase 1 ZJ2 are connected to an intermediate relay ZJ3 after being connected to a series. The emergency starting box of the guard room is internally provided with a main transformer manual starting button SB1, a manual starting confirmation button, a buzzer FMQ, a stop button SF, an intermediate relay ZJ, a main transformer fire indicator lamp and the like; when a fire alarm is heard in a guard room and a fire control room, a main transformer fire indicator lamp is seen to be lightened, when a fire is confirmed to happen, a button is manually started, a main transformer fire control cabinet receives manual starting information, a solenoid valve is further started, a water spray fire extinguishing system acts, water spray fire extinguishing is started, the intermediate relay ZJ can be UEG2-L1/220V, and the buzzer can be TGAD56-22MRS, but the method is not limited to the above.
The fire fighting main unit, the pressure gauge, the temperature-sensing detector, the module cabinet (PK-XF04), the double-input module, the pressure switch, the transformer, the electromagnetic valve, the water inlet signal valve, the filter, the water spray nozzle, the water test valve, the test signal valve and the main transformer temperature-sensing detection module box are all the prior art, and the skilled person in the art can clearly understand that the model of the main transformer temperature-sensing detection module box is not described in detail herein, the model of the main transformer temperature-sensing detection module box can be a GST-JX305 outdoor module box, and the model of the module cabinet can be PK-XF04, but the invention is not limited thereto.
In a word, the main transformer fire-fighting control cabinet is arranged in the main transformer fire-fighting control chamber, the independent main transformer fire-fighting host is arranged in the control cabinet, the fire-fighting host takes the transformer as a unit, an independent control loop is designed according to the transformer, and the operation of the other transformer is not influenced by the input and the exit of one transformer; the module cabinet is arranged in the water pump room, the modules of the module cabinet can monitor the signal valves, the electromagnetic valves, the pressure switches and the like of each main transformer water spray fire extinguishing system, the main transformer fire fighting host is connected after the modules are networked, the main transformer fire fighting host can check the states of each device of the main transformer water spray fire extinguishing system in real time, damaged devices can be replaced in time, and long-term normal and stable operation of the system is guaranteed; a temperature sensing module box is arranged on site of each phase transformer of each main transformer, each module box comprises 3 sets of temperature sensing detectors, each set of system comprises a temperature sensing detector, a temperature sensing cable, a double-input module and an interface box, and the automatic starting of each phase of main transformer during fire disaster adopts a logic of 3 to 2, so that the reliability and the redundancy of the starting of the system are ensured; the security guard room sets up the fire control emergency box that becomes the owner, and when the conflagration takes place for the owner, the emergent start-up incasement should take place the alarm, and security personnel can be according to the transformer conflagration condition, the start button of this transformer of emergency start.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (6)
1. A method for realizing a main transformer fire-fighting water spray fire-extinguishing system is characterized by comprising the following steps:
step S1, when the main transformer is in fire, the main transformer local cable type temperature-sensing fire detector acts;
step S2, the main transformer temperature sensing detection module in-box input module receives the alarm signal of the cable temperature sensing fire detector and then transmits the alarm signal to the main transformer fire-fighting host in the fire-fighting control room;
step S3, carrying out logic judgment in real time by a main transformer fire-fighting host in a fire-fighting control room, and sending an action signal to a deluge valve group in a water pump room when four of 3 local temperature-sensitive detectors and manual alarm detectors of one phase of main transformer act and three-side switches of the main transformer are disconnected;
step S4, the main transformer deluge valve group receives the main transformer fire-fighting host action signal, opens the corresponding deluge valve control cavity to release pressure, the deluge valve acts, starts the water spray fire extinguishing system to supply water to extinguish fire; when the deluge valve acts, the hydraulic alarm bell will give an alarm, and the pressure switch and the signal valve act at the same time, and the alarm signal is fed back to the main transformer temperature sensing detection module box again.
2. The implementation method of the main transformer fire-fighting water spray fire-extinguishing system according to claim 1, characterized in that: the fire control room that becomes in step S1 includes that the fire control switch board that becomes, the guard room become the fire emergency starting box that becomes, become temperature sensing detection module case, fire pump control cabinet, module cabinet and the spraying fire extinguishing system of main change, become the fire control switch board with become temperature sensing detection module case electric connection, become fire control switch board and the emergent starting box electric connection of the main change fire of guard room, spraying fire extinguishing system with become fire control switch board electric connection, become the fire control switch board and receive the fire detection signal that becomes temperature sensing detection module case, with the action signal after satisfying the starting condition, become the fire control host computer with action signal transmission to module cabinet relay on the spot, spraying fire extinguishing system starts the valve group solenoid valve that drenches through the relay, and the control chamber starts the water supply and puts out a fire.
3. The implementation method of the main transformer fire-fighting water spray fire-extinguishing system according to claim 2, characterized in that: the main transformer temperature-sensing detection module box comprises a double-input module MK1, a double-input module MK2, a double-input module MK3, a fire data line, a fire power line, a cable temperature-sensing fire detector signal processor TCQ1, a cable temperature-sensing fire detector signal processor TCQ2, a cable temperature-sensing fire detector signal processor TCQ3, a cable temperature-sensing fire detector terminal box ZDH1, a cable temperature-sensing fire detector terminal box ZDH2, a cable temperature-sensing fire detector terminal box ZDH3, a temperature and humidity controller WSK, a heater JQ1 and a heater JQ2, wherein the double-input module MK1 is connected with an S + port and an S-port of the fire data line, the double-input module MK1 is connected with an X1 pin and an X2 pin of the cable temperature-sensing fire detector signal processor TCQ1, an A pin and a B pin of the cable temperature-sensing fire detector signal processor TCQ1 are connected with the cable temperature-sensing fire detector terminal box Z1, a D + pin of the cable type temperature-sensing fire detector signal processor TCQ1 is connected with a D + port of the fire power line, and a D-pin of the cable type temperature-sensing fire detector signal processor TCQ1 is connected with a D-port of the fire power line; the dual-input module MK2 is connected with an S + port and an S-port of the fire data line, the dual-input module MK2 is connected with an X1 pin and an X2 pin of a cable-type temperature-sensing fire detector signal processor TCQ2, an A pin and a B pin of the cable-type temperature-sensing fire detector signal processor TCQ2 are both connected with a cable-type temperature-sensing fire detector terminal box ZDH2, a D + pin of the cable-type temperature-sensing fire detector signal processor TCQ2 is connected with a D + port of the fire power line, and a D-pin of the cable-type temperature-sensing fire detector signal processor TCQ2 is connected with a D-port of the fire power line; the dual-input module MK3 is connected with an S + port and an S-port of the fire data line, the dual-input module MK3 is connected with an X1 pin and an X2 pin of a cable-type temperature-sensing fire detector signal processor TCQ3, an A pin and a B pin of the cable-type temperature-sensing fire detector signal processor TCQ3 are both connected with a cable-type temperature-sensing fire detector terminal box ZDH3, a D + pin of the cable-type temperature-sensing fire detector signal processor TCQ3 is connected with a D + port of the fire power line, and a D-pin of the cable-type temperature-sensing fire detector signal processor TCQ3 is connected with a D-port of the fire power line; heater JRQ1 with temperature and humidity controller WSK connects, temperature and humidity controller WSK is connected with change over switch 1ZKK, change over switch 1ZKK is connected with live wire L, heater JRQ2 is connected with change over switch 2ZKK, change over switch 2ZKK with temperature and humidity controller WSK is connected with ground wire N after establishing ties.
4. The implementation method of the main transformer fire-fighting water spray fire-extinguishing system according to claim 2, characterized in that: the water spray fire extinguishing system comprises a main transformer fire fighting host, the cable type linear temperature-sensing fire detector is arranged in the main transformer temperature-sensing detection module box and is connected with a temperature-sensing cable, the temperature-sensing cable is wound and installed on a main transformer body, the main transformer fire fighting host is connected with a first pressure gauge and a test signal valve, the first pressure gauge is connected with a hydraulic alarm bell, the test signal valve is connected with a test water valve, the test signal valve is connected with a rain alarm valve, the hydraulic alarm bell is connected with the rain alarm valve, the rain alarm valve is connected with a second pressure gauge, a third pressure gauge, a solenoid valve, a manual valve, a remote manual device and a drain valve, the drain valve is connected with a drainage pipeline, the main transformer fire fighting host is connected with a water inlet signal valve, and the water inlet signal valve is connected with a filter, the filter is connected with the water mist spray head through a water inlet pipeline.
5. The implementation method of the main transformer fire-fighting water spray fire-extinguishing system according to claim 2, characterized in that: the main fire control switch board that becomes includes the cabinet body, be provided with main fire control host computer that becomes on the cabinet body, be provided with bus control panel, pilot lamp, display screen and keyboard on the host computer, pilot lamp, display screen and keyboard set up from a left side to the right side by side, the bus control panel with pilot lamp, display screen and keyboard set up from top to bottom, be provided with the power strip on the cabinet body, the power strip with main fire control host computer that becomes sets up from top to bottom.
6. The implementation method of the main transformer fire-fighting water spray fire-extinguishing system according to claim 2, characterized in that: the main transformer fire control cabinet comprises a control power supply KM, an emergency box switch JZK, a main transformer fire emergency starting box, a buzzer FMQ, a main transformer A-phase 1AZJ1, a main transformer A-phase 1AZJ2, a main transformer B-phase 1BZJ1, a main transformer B-phase 1BZJ2, a main transformer C-phase 1CZJ1 and a main transformer C-phase 1CZJ2, wherein the control power supply KM is connected with the main transformer fire emergency starting box through the emergency box switch JZK, the main transformer FMQ is arranged in the fire emergency starting box, the main transformer A-phase 1AZJ1 and the main transformer A-phase 1AZJ2 are connected in series and then connected with an intermediate relay ZJ1, the main transformer B-phase 1BZJ1 and the main transformer B-phase 1BZJ2 are connected in series and then connected with an intermediate relay ZJ2, and the main transformer C-phase 1CZJ1 and the main transformer C-phase 1CZJ2 are connected with the intermediate relay ZJ 3.
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