CN116311744A - Fire alarming and extinguishing system for pole-mounted transformer - Google Patents
Fire alarming and extinguishing system for pole-mounted transformer Download PDFInfo
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- CN116311744A CN116311744A CN202310298731.8A CN202310298731A CN116311744A CN 116311744 A CN116311744 A CN 116311744A CN 202310298731 A CN202310298731 A CN 202310298731A CN 116311744 A CN116311744 A CN 116311744A
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- 239000000843 powder Substances 0.000 claims abstract description 29
- 239000000779 smoke Substances 0.000 claims abstract description 18
- 239000013307 optical fiber Substances 0.000 claims description 17
- 238000004891 communication Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 230000000007 visual effect Effects 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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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
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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
- 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
- A62C37/40—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 with electric connection between sensor and actuator
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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
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to a pole-mounted transformer fire alarming and extinguishing system, which comprises a transformer, a fire sensing module, a fire alarming module, a starting extinguishing module, a microprocessor and a power module, wherein the starting extinguishing module is connected with the transformer; the transformer is fixedly arranged on a fixed seat, the signal output end of the fire sensing module is electrically connected with the signal input end of the microprocessor, and the signal output end of the microprocessor is electrically connected with the signal input ends of the fire alarming module and the starting fire extinguishing module. The invention can accurately, timely and sensitively collect fire signals through the photosensitive sensor and the smoke sensor of the fire sensing module when the pole-mounted transformer is in fire. And simultaneously, the microprocessor feeds fire information back to the starting fire extinguishing module, and the electromagnetic valve control system of the starting fire extinguishing module controls the dry powder fire extinguisher to be opened. The electromagnetic valve control system sets a plurality of starting modes for the opening of the dry powder fire extinguisher, improves the safety and reduces the fire disaster influence.
Description
Technical Field
The invention belongs to the technical field of fire alarming and fire extinguishing of transformers, and particularly relates to a column transformer fire alarming and fire extinguishing system.
Background
With the development of society and economy, urban and rural residents and various enterprises use electricity to increase greatly, and more on-pole transformers run for a longer time under a large load, so that the ageing speed of the on-pole transformers is increased, and the fault ignition phenomenon of the transformers occurs. The cause of the ignition of the operating transformer is: oil flows out under the pressure of the conservator due to the damage or flashover of the bushing of the transformer; insulation of the core through bolt and insulation damage between the core silicon steel sheets; an interlayer short circuit of the high voltage winding or the low voltage winding; the outgoing line is mixed or the outgoing line touches the oil tank; long-time overload, large heating of the transformer, partial arc occurrence and the like.
The power transformer on the column belongs to power equipment, is generally installed in residential areas and has high voltage, so that when a fire disaster occurs, common fire extinguishing equipment or fire extinguishing modes cannot be adopted at will, and the risk is high. To date, there is no device capable of monitoring on-pole transformer fires in real time and actively extinguishing the fires.
Disclosure of Invention
The invention provides a fire alarming and fire extinguishing system for a pole-mounted transformer, which aims at solving the problem that the fire of the pole-mounted transformer in a residential area cannot be timely alarmed and automatically extinguished.
The invention is realized by the following technical scheme:
a pole-mounted transformer fire alarming and extinguishing system comprises a transformer, a fire sensing module, a fire alarming module, a starting extinguishing module, a microprocessor and a power module; the transformer is fixedly arranged on a fixed seat, the fixed seat comprises two telegraph poles, a primary support is arranged at the lower part between the two telegraph poles, a secondary support is arranged at the upper part, the transformer is fixedly arranged at the middle part of the primary support, the signal output end of the fire sensing module is electrically connected with the signal input end of the microprocessor, and the signal output end of the microprocessor is electrically connected with the signal input ends of the fire alarming module and the starting fire extinguishing module.
The microprocessor is arranged in a system mainframe box which is fixedly arranged on one of the telegraph poles.
The fire sensing module comprises a photosensitive sensor and a smoke sensor, the photosensitive sensor comprises a photosensitive element, an optical fiber and a light source, the photosensitive element is fixedly connected to a primary support, the optical fiber is crossed to form a grid to be wound on the outer surface of a transformer, a buckle is used at the crossing point of the optical fiber to fix the optical fiber, the buckle is made of insulating resin, when the transformer is in fire, the optical fiber is blown, the photosensitive element can not receive the light source to increase the self resistance, the photosensitive element is electrically connected with a microprocessor in a system mainframe box, a resistance increasing signal is transmitted to the microprocessor, and the microprocessor judges that the optical fiber is blown according to the resistance increasing signal, so that the fire occurs.
The smoke sensor is arranged on the upper portion of the transformer and fixedly connected to the secondary support, the smoke sensor is electrically connected with the microprocessor, and the smoke sensor can collect fire smoke signals and upload the collected signals to the microprocessor.
The microprocessor feeds back fire information to start fire extinguishing module, fire alarm module after with information processing, start fire extinguishing module is equipped with two sets of, and every group is equal fixed connection on a wire pole, start fire extinguishing module includes solenoid valve control system, dry powder fire extinguisher passes through two staple bolt fixed connection on the wire pole that open, two staple bolt that open includes two hyperbolic clamping pieces, the hyperbolic clamping piece middle part is fastened through a plurality of screws, form two rings between the hyperbolic clamping piece, one of them the wire pole is embraced in the embracing, another the dry powder fire extinguisher is embraced in the embracing, solenoid valve control system installs at dry powder fire extinguisher top, solenoid valve control system's signal output part electricity is connected dry powder fire extinguisher's signal input part.
The electromagnetic valve control system comprises an electromagnetic valve DCF, wherein the electromagnetic valve DCF and a starting button S1, an emergency braking button S2, a starting relay ZJ1, a braking relay ZJ2 and an automatic starting relay QDJ form an electromagnetic valve control loop, the starting relay ZJ1, the braking relay ZJ2 and the electromagnetic valve DCF are connected in parallel in pairs, the electromagnetic valve DCF is connected in series with a starting relay normally open contact I and a braking relay normally closed contact I, and the automatic starting relay QDJ is connected in series with an automatic starting normally open contact and then is connected in parallel with the starting relay normally open contact I; the starting relay ZJ1 is connected with the starting button S1 and the normally closed contact II of the braking relay in series, the starting button S1 is connected with the normally open contact II of the starting relay in parallel, and the braking relay ZJ2 is connected with the emergency braking button S2 in series.
When a fire disaster occurs, the microprocessor processes the received fire disaster signals and feeds the processed fire disaster signals back to the automatic starting relay QDJ, the automatic starting normally open contact is conducted, the solenoid valve DCF is connected with the positive electrode end and the negative electrode end through the normally closed contact of the braking relay and the automatic starting normally open contact, the solenoid valve QDJ is opened, and the dry powder fire extinguisher starts to work.
If the automatic mode fault is not opened, the starting relay ZJ1 is started by controlling the starting button S1, the normally open contact II of the starting relay plays a role in protection, the normally closed contact II of the braking relay is disconnected, the normally open contact I of the starting relay is attracted after the starting relay ZJ1 is electrified, the electromagnetic valve QDJ is electrified, and the dry powder fire extinguisher starts to work.
When emergency braking is needed, the emergency braking button S2 is controlled to switch on the braking relay ZJ2, the normally closed contact I of the braking relay and the normally closed contact II of the braking relay are opened, the electromagnetic valve QDJ is disconnected, the positive electrode end and the negative electrode end of the braking relay ZJ2 are switched on, and the dry powder fire extinguisher starts to work.
The fire alarm module comprises an audible and visual alarm system and a communication system, wherein the audible and visual alarm system comprises a sound and an alarm lamp, the sound and the alarm lamp are fixedly installed on one telegraph pole, and after the microprocessor processes fire information, the microprocessor feeds information back to the sound and the alarm lamp, the sound is started to send out alarm broadcasting, and meanwhile the alarm lamp is lightened.
The communication system comprises an exchanger, the microprocessor uploads fire information to the exchanger, and the exchanger transmits the information to terminal communication equipment such as a mobile phone, a computer and the like through a 4G/5G wireless communication module.
Preferably, the switch is fixedly connected in the system mainframe box.
As a preferred scheme, the power supply module comprises an AC/DC conversion loop and a storage battery, wherein the AC/DC conversion loop rectifies alternating current commercial power into direct current power for system operation, the storage battery is an emergency standby power supply, when a transformer is in fire, if the transformer is out of voltage due to the tripping of the upper-stage protection or the transformer is not tripped but the voltage is unstable, the AC/DC conversion loop cannot work normally, and at the moment, the storage battery provides enough power supply energy for the system to complete the functions of fire extinguishment and alarm, and is arranged on a fixing seat.
As a preferable scheme, the electromagnetic valve control system comprises a control box, wherein the electromagnetic valve DCF, the starting relay ZJ1, the braking relay ZJ2 and the automatic starting relay QDJ are fixedly arranged in the control box; the starting button S1 and the emergency braking button S2 are arranged in a control box which is fixedly connected to a telegraph pole.
Preferably, the dry powder fire extinguisher is provided with a spray pipe, and the spray nozzle of the spray pipe faces the transformer.
Compared with the prior art, the invention has the beneficial effects that: when the on-pole transformer is in fire, the invention can accurately, timely and sensitively collect fire signals through the photosensitive sensor and the smoke sensor of the fire sensing module, upload the fire signals to the microprocessor, and feed back the information to the audible and visual alarm system and the communication system microprocessor of the fire alarm module after the microprocessor processes the fire information, and the sound and the warning lamp of the audible and visual alarm system are started to send out warning and broadcast, and the warning lamp is lightened at the same time to broadcast the fire, thereby reminding people nearby to evacuate. The communication system pushes short messages to appointed operation and maintenance repair personnel through the 4G/5G wireless communication module, and push contents comprise the number of the pole-mounted transformer and the time of fire. And meanwhile, the microprocessor feeds fire information back to the starting fire extinguishing module, and the electromagnetic valve control system of the starting fire extinguishing module controls the dry powder fire extinguisher to be opened to perform fire extinguishing work. The electromagnetic valve control system sets a plurality of starting modes for the opening of the dry powder fire extinguisher, improves the safety and reduces the fire disaster influence.
Drawings
FIG. 1 is a schematic diagram of the connection structure of the present invention;
FIG. 2 is a schematic diagram of the control logic structure of the present invention;
FIG. 3 is a schematic circuit diagram of a solenoid valve control system of the present invention;
FIG. 4 is a schematic diagram of photosensor control logic of the present invention;
FIG. 5 is a schematic view of a double-opening hoop structure of the present invention;
FIG. 6 is a schematic view of the internal structure of the control box of the present invention;
fig. 7 is a schematic diagram of the internal structure of the mainframe box of the present invention.
Detailed Description
The invention will be further illustrated with reference to specific examples.
A pole-mounted transformer fire alarming and extinguishing system comprises a transformer 1, a fire sensing module 2, a fire alarming module 3, a starting extinguishing module 4, a microprocessor 5 and a power module 6; the transformer 1 is fixedly installed on a fixing seat 101, the fixing seat 101 comprises two telegraph poles 102, a primary support 103 is arranged at the lower part between the two telegraph poles 102, a secondary support 104 is arranged at the upper part, the transformer 1 is fixedly installed at the middle part of the primary support 103, the signal output end of the fire sensing module 2 is electrically connected with the signal input end of the microprocessor 5, and the signal output end of the microprocessor 5 is electrically connected with the signal input ends of the fire alarming module 3 and the starting fire extinguishing module 4.
The microprocessor 5 is disposed within a system mainframe box 7, the system mainframe box 7 being fixedly mounted on one of the utility poles 102.
The fire sensing module 2 comprises a photosensitive sensor 8 and a smoke sensor 9, the photosensitive sensor 8 comprises a photosensitive element 81, an optical fiber 82 and a light source 83, the light source 83 is fed back to the photosensitive element 81 through the optical fiber 82, the photosensitive element 81 is fixedly connected to a primary support 103, the optical fiber 82 is wound on the outer surface of the transformer 1 in a crossed mode to form a grid, the cross point of the optical fiber 82 is fixed by using a buckle 84, the buckle 84 is made of insulating resin, when the transformer 1 is in a fire disaster, the optical fiber 82 is blown, the photosensitive element 81 cannot receive the light source 83 to increase the self resistance, the photosensitive element 81 is electrically connected with a microprocessor 5 in a system host case 7, a resistance increasing signal is transmitted to the microprocessor 5, and the microprocessor 5 judges that the optical fiber 82 is blown according to the resistance increasing signal, and the microprocessor 5 is in a fire disaster.
The smoke sensor 9 is arranged on the upper portion of the transformer 1 and fixedly connected to the secondary support 104, the smoke sensor 9 is electrically connected with the microprocessor 5, and the smoke sensor 5 can collect fire smoke signals and upload the collected signals to the microprocessor 5.
The microprocessor 5 feeds back fire information to the starting fire extinguishing module 4 and the fire alarming module 3 after processing information acquired by the smoke sensing sensor 9 and the photosensitive sensor 8, the starting fire extinguishing module 4 is provided with two groups, each group is fixedly connected to a telegraph pole 102, the starting fire extinguishing module 4 comprises an electromagnetic valve control system 401 and a dry powder fire extinguisher 402, the dry powder fire extinguisher 402 is fixedly connected to the telegraph pole 102 through a double-opening hoop 10, the double-opening hoop 10 comprises two double-curved clamping pieces 101, the middle parts of the double-curved clamping pieces 101 are fastened through a plurality of screws 102, two holding rings 103 are formed between the double-curved clamping pieces 101, one holding ring 103 holds the telegraph pole, the other holding ring 103 holds the dry powder fire extinguisher 402, the electromagnetic valve control system 401 is arranged at the top of the dry powder fire extinguisher 402, and a signal output end of the electromagnetic valve control system 401 is electrically connected with a signal input end of the dry powder fire extinguisher 402.
The electromagnetic valve control system 401 comprises an electromagnetic valve DCF11, wherein the electromagnetic valve DCF11 and a starting button S112, an emergency brake button S213, a starting relay ZJ114, a brake relay ZJ215 and an automatic starting relay QDJ16 form an electromagnetic valve control loop, the starting relay ZJ114, the brake relay ZJ215 and the electromagnetic valve DCF11 are connected in parallel in pairs, the electromagnetic valve DCF11 is connected in series with a starting relay normally open contact one 17 and a brake relay normally closed contact one 18, and the automatic starting relay QDJ16 is connected in parallel with a starting relay normally open contact one 17 after being connected in series with the automatic starting normally open contact 19; the starting relay ZJ114 is connected with the starting button S112 and the brake relay normally-closed contact II 20 in series, the starting button S112 is connected with the starting relay normally-open contact II 21 in parallel, and the brake relay ZJ215 is connected with the emergency brake button S213 in series.
When a fire disaster occurs, the microprocessor 5 processes the received fire disaster signal and feeds back the processed fire disaster signal to the automatic starting relay QDJ16, the automatic starting normally open contact 19 is conducted, the solenoid valve DCF11 is connected with the positive electrode end 22 and the negative electrode end 23 through the first brake relay normally closed contact 18 and the automatic starting normally open contact 19, the solenoid valve QDJ16 is opened, and the dry powder fire extinguisher 402 starts to work.
If the automatic mode fault is not opened, the starting relay ZJ114 is started by controlling the starting button S112, the normally open contact II 21 of the starting relay plays a role in protection, the normally closed contact II 20 of the braking relay is disconnected, the normally open contact I17 of the starting relay is attracted after the starting relay ZJ114 is electrified, the electromagnetic valve QDJ16 is electrified, and the dry powder fire extinguisher 402 starts to work.
When emergency braking is needed, the emergency braking button S213 is controlled to switch on the braking relay ZJ215, the braking relay normally-closed contact I18 and the braking relay normally-closed contact II 20 are opened, the electromagnetic valve QDJ16 is switched off, the braking relay ZJ215 is switched on the positive electrode end 22 and the negative electrode end 23, and the dry powder fire extinguisher 402 starts to work.
The fire alarm module 3 comprises an audible and visual alarm system 301 and a communication system 302, the audible and visual alarm system 301 comprises a sound 24 and a warning lamp 25, the sound 24 and the warning lamp 25 are fixedly arranged on one of the telegraph poles 102, after the microprocessor 5 processes fire information, the information is fed back to the sound 24 and the warning lamp 25, the sound 24 is started to send out warning broadcast, and meanwhile the warning lamp 25 is lightened, the sound 24 broadcasts a fire disaster to remind people nearby to evacuate.
The communication system 302 includes an exchange 26, the microprocessor 5 uploads fire information to the exchange 26, the exchange 26 transmits the information to terminal communication devices such as mobile phones and computers through a 4 g/5 g wireless communication module, specifically, a short message is pushed to a designated operation and maintenance repair person through the 4 g/5 g wireless communication module, and the push content includes the number of a pole transformer and the time of fire occurrence.
Further, the switch 26 is fixedly connected in the system mainframe box 7.
Further, the power module 6 includes an AC/DC conversion circuit 28 and a battery 29, the AC/DC conversion circuit 28 rectifies AC mains supply into DC power for system operation, the battery 29 is an emergency standby power supply, when the transformer 1 is in fire, if the transformer is out of voltage due to the tripping of the upper stage protection, or the transformer is not tripped but the voltage is unstable, the AC/DC conversion circuit 28 cannot work normally, at this time, the battery 29 will provide enough power energy for the system to complete fire extinguishing and alarming functions, and the battery 29 is mounted on the fixing seat 101.
Further, the solenoid valve control system 401 includes a control box 4011, and the solenoid valve DCF11, the start relay ZJ114, the brake relay ZJ215, and the automatic start relay QDJ16 are fixedly installed in the control box 4011; the start button S112 and the emergency brake button S213 are provided in a control box 30, and the control box 30 is fixedly connected to one of the utility poles 102.
Further, the dry powder fire extinguisher 402 is provided with a spray pipe 403, and the spray nozzle of the spray pipe 403 faces the transformer 1.
The technical features of the present invention that are not described in the present invention may be implemented by or using the prior art, and are not described in detail herein, but the above embodiments are not limited to the embodiments, and the present invention is not limited to the above embodiments, and variations, modifications, additions or substitutions made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.
Claims (5)
1. The on-pole transformer fire alarming and extinguishing system is characterized by comprising a transformer (1), a fire sensing module (2), a fire alarming module (3), a starting extinguishing module (4), a microprocessor (5) and a power module (6); the fire disaster sensing device is characterized in that the transformer (1) is fixedly arranged on a fixing seat (101), the fixing seat (101) comprises two telegraph poles (102), a primary support (103) is arranged at the lower part between the two telegraph poles (102), a secondary support (104) is arranged at the upper part, the transformer (1) is fixedly arranged in the middle of the primary support (103), the signal output end of the fire disaster sensing module (2) is electrically connected with the signal input end of a microprocessor (5), and the signal output end of the microprocessor (5) is electrically connected with the signal input ends of a fire disaster warning module (3) and a starting fire extinguishing module (4);
the microprocessor (5) is arranged in a system main case (7), and the system main case (7) is fixedly arranged on one telegraph pole (102);
the fire sensing module (2) comprises a photosensitive sensor (8) and a smoke sensor (9), the photosensitive sensor (8) comprises a photosensitive element (81), an optical fiber (82) and a light source (83), the photosensitive element (81) is fixedly connected to a primary support (103), the optical fiber (82) is crossed to form a grid to be wound on the outer surface of the transformer (1), the cross point of the optical fiber (82) is fixed by using a buckle (84), the buckle (84) is made of insulating resin, when the transformer (1) is in fire, the optical fiber (82) is blown, the photosensitive element (81) cannot receive the light source (83) to increase the self resistance, the photosensitive element (81) is electrically connected with a microprocessor (5) in a main case (7) of the system, a resistance increasing signal is transmitted to the microprocessor (5), and the microprocessor (5) judges that the optical fiber (82) is blown according to the resistance increasing signal;
the smoke sensor (9) is arranged at the upper part of the transformer (1) and is fixedly connected to the secondary bracket (104), the smoke sensor (9) is electrically connected with the microprocessor (5), and the smoke sensor (5) can collect fire smoke signals and upload the collected signals to the microprocessor (5);
after the microprocessor (5) processes the information, the fire information is fed back to the starting fire extinguishing module (4) and the fire alarming module (3), the starting fire extinguishing module (4) is provided with two groups, each group is fixedly connected to a telegraph pole (102), the starting fire extinguishing module (4) comprises an electromagnetic valve control system (401) and a dry powder fire extinguisher (402), the dry powder fire extinguisher (402) is fixedly connected to the telegraph pole (102) through a double-opening hoop (10), the double-opening hoop (10) comprises two double-curved clamping pieces (101), the middle parts of the double-curved clamping pieces (101) are fastened through a plurality of screws (102), two holding rings (103) are formed between the double-curved clamping pieces (101), one holding ring (103) holds the telegraph pole, the other holding ring (103) holds the dry powder fire extinguisher (402), the electromagnetic valve control system (401) is arranged at the top of the fire extinguisher (402), and the signal output end of the electromagnetic valve control system (401) is electrically connected with the signal input end of the dry powder extinguisher (402).
The electromagnetic valve control system (401) comprises an electromagnetic valve DCF (11), wherein the electromagnetic valve DCF (11) and a starting button S1 (12), an emergency braking button S2 (13), a starting relay ZJ1 (14), a braking relay ZJ2 (15) and an automatic starting relay QDJ (16) form an electromagnetic valve control loop, the starting relay ZJ1 (14), the braking relay ZJ2 (15) and the electromagnetic valve DCF (11) are connected in parallel in pairs, the electromagnetic valve DCF (11) and a starting relay normally open contact I (17) and a braking relay normally closed contact I (18) are connected in series, and the automatic starting relay QDJ (16) and the automatic starting normally open contact (19) are connected in series and then connected in parallel with the starting relay normally open contact I (17); the starting relay ZJ1 (14) is connected in series with the starting button S1 (12) and the normally closed contact II (20) of the braking relay, the starting button S1 (12) is connected in parallel with the normally open contact II (21) of the starting relay, and the braking relay ZJ2 (15) is connected in series with the emergency braking button S2 (13);
when a fire disaster occurs, the microprocessor (5) processes the received fire disaster signal and feeds back the processed fire disaster signal to the automatic starting relay QDJ (16), the automatic starting normally-open contact (19) is conducted, the electromagnetic valve DCF (11) is connected with the positive electrode end (22) and the negative electrode end (23) through the normally-closed contact (18) of the braking relay and the automatic starting normally-open contact (19), the electromagnetic valve QDJ (16) is opened, and the dry powder fire extinguisher (402) starts to work;
if the automatic mode fault is not opened, the starting relay ZJ1 (14) is started by controlling the starting button S1 (12), the starting relay normally-open contact II (21) plays a role in protection, the braking relay normally-closed contact II (20) is disconnected, the starting relay ZJ1 (14) is powered on, the starting relay normally-open contact I (17) is attracted, the electromagnetic valve QDJ (16) is powered on, and the dry powder fire extinguisher (402) starts to work;
when emergency braking is needed, the brake relay ZJ2 (15) is connected by controlling the emergency braking button S2 (13), the brake relay normally-closed contact I (18) and the brake relay normally-closed contact II (20) are opened, the electromagnetic valve QDJ (16) is disconnected, the brake relay ZJ2 (15) is connected with the positive electrode end (22) and the negative electrode end (23), and the dry powder fire extinguisher (402) starts to work;
the fire alarm module (3) comprises an audible and visual alarm system (301) and a communication system (302), the audible and visual alarm system (301) comprises a sound (24) and an alarm lamp (25), the sound (24) and the alarm lamp (25) are fixedly arranged on one telegraph pole (102), after the microprocessor (5) processes fire information, information is fed back to the sound (24) and the alarm lamp (25), the sound (24) is started to send out alarm broadcasting, and meanwhile the alarm lamp (25) is lightened;
the communication system (302) comprises a switch (26), the microprocessor (5) uploads fire information to the switch (26), and the switch (26) transmits the information to terminal communication equipment such as mobile phones and computers through a 4G5G wireless communication module.
2. The pole-mounted transformer fire alarm and suppression system according to claim 1, characterized in that the exchange (26) is fixedly connected within the system main cabinet (7).
3. The pole-mounted transformer fire alarm and fire extinguishing system according to claim 1, wherein the power module (6) comprises an AC/DC conversion circuit (28) and a storage battery (29), the AC/DC conversion circuit (28) rectifies alternating current mains supply into direct current power for system operation, the storage battery (29) is an emergency standby power supply, when the transformer (1) is in fire, if the transformer is out of voltage due to the tripping of the upper-stage protection or no tripping but unstable in transmitting voltage, the AC/DC conversion circuit (28) cannot work normally, at the moment, the storage battery (29) provides enough power supply energy for the system to complete the fire extinguishing and alarm functions, and the storage battery (29) is arranged on the fixing seat (101).
4. The pole-mounted transformer fire alarm and extinguishing system according to claim 1, characterized in that the solenoid valve control system (401) comprises a control box (4011), the solenoid valve DCF (11), the start relay ZJ1 (14), the brake relay ZJ2 (15), and the automatic start relay QDJ (16) are all fixedly installed in the control box (4011); the starting button S1 (12) and the emergency braking button S2 (13) are arranged in a control box (30), and the control box (30) is fixedly connected to a telegraph pole (102) of the control box.
5. The pole-mounted transformer fire alarm and extinguishing system according to claim 1, characterized in that the dry powder fire extinguisher (402) is provided with a spray pipe (403), the spray nozzle of the spray pipe (403) facing the transformer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310298731.8A CN116311744A (en) | 2023-03-24 | 2023-03-24 | Fire alarming and extinguishing system for pole-mounted transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310298731.8A CN116311744A (en) | 2023-03-24 | 2023-03-24 | Fire alarming and extinguishing system for pole-mounted transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116758695A (en) * | 2023-08-17 | 2023-09-15 | 国网山东省电力公司莱阳市供电公司 | Anti-collision alarm device for electric power facilities |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116758695A (en) * | 2023-08-17 | 2023-09-15 | 国网山东省电力公司莱阳市供电公司 | Anti-collision alarm device for electric power facilities |
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