CN110538403A - fire extinguishing system and method based on ubiquitous power Internet of things - Google Patents
fire extinguishing system and method based on ubiquitous power Internet of things Download PDFInfo
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- CN110538403A CN110538403A CN201910631645.8A CN201910631645A CN110538403A CN 110538403 A CN110538403 A CN 110538403A CN 201910631645 A CN201910631645 A CN 201910631645A CN 110538403 A CN110538403 A CN 110538403A
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- fire extinguishing
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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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
-
- 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
-
- 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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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fire Alarms (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
the invention relates to the technical field of fire safety, in particular to a fire extinguishing system and method based on a ubiquitous power Internet of things. The system mainly solves the problem that the situation that a fire disaster is possible or about to happen cannot be dealt with timely in the prior art, and comprises a first fire extinguishing device used for a transformer and a second fire extinguishing device used for a switch cabinet, wherein the first fire extinguishing device comprises a current and voltage detection unit, a first smoke detection unit, an image acquisition unit and a first control unit; the second fire extinguishing device comprises a temperature detection unit, a second smoke detection unit, a second control unit and an execution unit; and the second control unit sends a control instruction to the execution unit according to the temperature detection result and the smoke detection result, and the execution unit executes corresponding action according to the instruction.
Description
Technical Field
the invention relates to the technical field of fire safety, in particular to a fire extinguishing system and method based on a ubiquitous power Internet of things.
background
The safe operation of transformer substation, it is crucial to have a relation to the people's livelihood, along with the continuous improvement of power supply reliability requirement, the promotion of fire control management is an important subject that transformer substation faces. The fire extinguishing scheme with safety benefits of timeliness, remoteness, imaging, reduction of personal risks and the like is the research direction of modern fire fighting. Nowadays, the transformer substation mostly depends on patrol robots and manual regular patrol modes to prevent fire, so that a hysteresis problem is caused, and the transformer substation cannot timely react when the fire is about to happen and the fire happens instantly.
disclosure of Invention
The invention mainly solves the problem that the possible or impending fire is not responded in time in the prior art, and provides a more timely and effective fire extinguishing system and a more timely and effective fire extinguishing method.
In order to solve the technical problems, the invention adopts the following technical scheme: a fire extinguishing system based on the ubiquitous power Internet of things is characterized by comprising a first fire extinguishing device used for a transformer and a second fire extinguishing device used for a switch cabinet,
the first fire extinguishing device comprises a current and voltage detection unit, a first smoke detection unit, an image acquisition unit and a first control unit,
The first control unit judges whether the transformer is abnormal according to the current and voltage conditions, then open fire and smoke detection is carried out on the abnormal transformer, and classification processing is carried out according to the detection result;
the second fire extinguishing device comprises a temperature detection unit, a second smoke detection unit, a second control unit and an execution unit;
the second control unit sends a control instruction to the execution unit according to the temperature detection result and the smoke detection result, and the execution unit executes corresponding action according to the instruction;
The current and voltage detection unit, the first smoke detection unit and the image acquisition unit are sequentially connected with the first control unit, the temperature detection unit and the second smoke detection unit are sequentially connected with the second control unit, and the second control unit is connected with the execution unit.
Preferably, the first smoke detection unit comprises a laser transmitter and a laser receiver which are placed at two ends of the transformer installation path and are at the same height.
preferably, the execution unit is a high-temperature alarm gas circuit device, the gas circuit device comprises branch pipelines communicated with the inside of the switch cabinet and a main pipeline communicated with all the branch pipelines, one end of the main pipeline is connected with a gas suction pump, the gas suction pump is provided with a gas outlet and is connected with a gas storage tank, and carbon dioxide gas is filled in the gas storage tank.
preferably, the temperature detection unit comprises a main pipe temperature sensor arranged at the joint of the main pipe and the air suction pump and a branch pipe temperature sensor arranged at the communication position of the branch pipe and the switch cabinet.
preferably, the second smoke detection unit is a branch pipe smoke detector installed at a communication position of the branch pipe and the switch cabinet.
the fire extinguishing method based on the ubiquitous power Internet of things comprises a transformer fire extinguishing step and a switch cabinet fire extinguishing step
the transformer fire extinguishing step comprises:
S11, presetting a transformer and a current and voltage detection unit;
s12, analyzing the current and voltage detection report by the first control unit, and judging the abnormal condition of the transformer;
S13, finding out the position of the abnormal transformer by an image acquisition unit and acquiring a real-time image of the abnormal transformer;
s14, the first control unit compares the real-time image of the abnormal transformer with the open fire image in the database, and if open fire is determined, the power is cut off immediately to extinguish the fire;
s15, if no open fire exists, the first control unit checks the detection result of the first smoke detection unit and sends a fault report to related technicians according to the result;
the switch cabinet extinguishment step comprises the following steps:
s21, the temperature detection unit sends real-time temperature data to a second control unit;
s22, the second control unit compares the real-time temperature data with a preset threshold value and controls the execution unit according to the comparison result;
S23, the second smoke detection unit sends a detection report to the second control unit;
S24, if the detection result shows that smoke exists, the second control unit sends a fire extinguishing and fire retarding instruction to the execution unit;
s25, the execution unit executes corresponding operation according to the fire extinguishing and fire retarding instruction;
Preferably, the specific content of S11 includes
S111: numbering the position of each transformer, wherein each transformer is provided with a voltage and current detection unit with a corresponding number;
s112: the current and voltage detection unit sends a detection report of the corresponding number to the first control unit.
preferably, the specific content of S13 includes
S131: the image acquisition unit receives the number of the abnormal transformer;
S132: the image acquisition unit inquires a corresponding preset position according to the number;
s133: the image acquisition unit is aligned with the abnormal transformer to independently acquire real-time images of the abnormal transformer;
preferably, the specific content of S22 includes
s221: the second control unit compares the real-time temperature data with a preset threshold value;
s222: if the real-time temperature data is larger than the preset threshold value, the second control unit sends a ventilation instruction to the execution unit;
s223: and the execution unit increases the working power of the air pump according to the ventilation instruction.
preferably, the specific content of S25 includes
S251, the execution unit opens the valve of the gas storage tank according to the fire extinguishing and fire retarding instruction;
S252: controlling the air pump to pump air reversely;
s253: closing the air outlet;
s254: and the carbon dioxide gas in the gas storage tank is filled into the switch cabinet through the main pipeline and the branch pipeline.
the invention has the beneficial effects that: 1. the timeliness of fire detection is improved; 2. the fire extinguishing range is narrowed, and other equipment is not damaged by mistake; 3. good fire extinguishing effect and low equipment damage degree.
drawings
Fig. 1 is a block diagram of a first fire suppression apparatus of the present invention.
Fig. 2 is a block diagram of a second fire suppression apparatus of the present invention.
fig. 3 is a schematic structural diagram of the air passage device of the present invention.
1. switch cabinet, 2, trunk line, 3, branch pipeline, 4, trunk line temperature sensor, 5, branch pipeline smoke detector, 6, branch pipeline temperature sensor, 7, aspiration pump, 8, gas holder.
Detailed Description
the technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
example (b):
a fire extinguishing method based on the ubiquitous power internet of things, as shown in fig. 1, 2 and 3, the embodiment includes: the first fire extinguishing device is used for the transformer and the second fire extinguishing device is used for the switch cabinet, the first fire extinguishing device comprises a current and voltage detection unit connected with a first control unit, the first control unit is respectively connected with a first smoke detection unit and an image acquisition unit, the first control unit is used for judging whether the transformer is abnormal or not according to the current and voltage condition, then open fire and smoke detection are carried out on the abnormal transformer, and classification processing is carried out according to the detection result; in the embodiment, when smoke is generated in the path, the light intensity of laser received by the laser receiver changes, and the laser transmitter and the laser receiver which are placed at two ends of the transformer installation path and are at the same height are used as the first smoke detection unit.
The second fire extinguishing device comprises a temperature detection unit, a second smoke detection unit and an execution unit, wherein the temperature detection unit and the second smoke detection unit are respectively connected with the second control unit; the second control unit is used for sending a control instruction to the execution unit according to the temperature detection result and the smoke detection result, and the execution unit executes corresponding action according to the instruction; this embodiment adopts the gas circuit device as the execution unit, and the gas circuit device includes with each 3 pipelines with 1 inside intercommunication of cubical switchboard and with all 3 pipelines 2 trunk lines that all communicate, 2 trunk line one end is connected with 7 aspiration pumps, and 7 aspiration pumps are equipped with the gas outlet, and 7 aspiration pumps are connected with 8 gas holders, 8 carbon dioxide gas are equipped with in the gas holder of 8. The temperature detection unit comprises a 4 main pipeline temperature sensor arranged at the joint of the 2 main pipeline and the air pump and a 6 branch pipeline temperature sensor arranged at the communication position of the 3 branch pipeline and the 1 switch cabinet. And 5 pipeline smoke detectors are arranged at the communication positions of the 3 pipelines and the 1 switch cabinet and serve as second smoke detection units.
the fire extinguishing method adopting the system comprises the following steps:
Comprises a transformer fire extinguishing step and a switch cabinet fire extinguishing step,
The transformer fire extinguishing step comprises:
S11, presetting a transformer and a current and voltage detection unit, wherein the specific method of the embodiment is as follows
S111: numbering the position of each transformer, and setting a voltage and current detection unit with a corresponding number for each transformer;
s112: the current voltage detection unit sends a detection report with the number to the first control unit.
S12, the first control unit compares data in the current and voltage detection report with normal data, finds out an abnormal transformer according to the serial number when abnormal data are found in the comparison process, and sends the serial number of the abnormal transformer to the image acquisition unit;
S13, the image acquisition unit finds out the position of the abnormal transformer and acquires a real-time image of the abnormal transformer, and the specific process is as follows: s131: the image acquisition unit receives the number of the abnormal transformer;
S132: inquiring the database according to the serial number to obtain the position of the abnormal transformer;
S133: the image acquisition unit adjusts the position to align the abnormal transformer and independently acquires a real-time image of the abnormal transformer;
S14, comparing the real-time image of the abnormal transformer with the open fire image in the database by the first control unit, wherein an image similarity matching algorithm based on regional color features in the prior art is adopted as a comparison basis in the embodiment, and if the matching result is that open fire is determined, immediately powering off and using an automatic fire extinguisher to extinguish the fire;
S15, if no open fire exists, the first control unit checks the detection result of the first smoke detection unit and sends a fault report to related technicians according to the detection result, and the fault report content comprises a reference maintenance scheme and a required maintenance tool list so that the technicians can quickly arrive at the site;
the switch cabinet extinguishment step comprises the following steps:
s21, the temperature detection unit sends real-time temperature data to the second control unit, wherein the real-time temperature data are mainly measured by a main pipeline temperature sensor and a branch pipeline temperature sensor;
s22, the second control unit compares the real-time temperature data with a preset threshold value and controls the execution unit according to the comparison result, and the specific steps used in the embodiment are as follows:
s221: the second control unit compares the real-time temperature data with a preset threshold value;
S222: if the real-time temperature data is larger than the preset threshold value, the second control unit sends a ventilation instruction to the execution unit;
s223: and the execution unit increases the working power of the air suction pump to accelerate air suction according to the ventilation instruction.
s23, the second smoke detection unit sends a detection report to the second control unit;
s24, if the detection result shows that smoke exists, the second control unit sends a fire extinguishing and fire retarding instruction to the execution unit;
S25, the execution unit executes corresponding operation according to the fire extinguishing and fire retarding instruction, and the specific operation of the execution unit used in the embodiment is as follows:
S251, the execution unit opens the valve of the gas storage tank according to the fire extinguishing and fire retarding instruction;
s252: controlling the air pump to pump air reversely;
s253: closing the air outlet;
S254: and the carbon dioxide gas in the gas storage tank is filled into the switch cabinet through the main pipeline and the branch pipeline.
the above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (10)
1. a fire extinguishing system based on the ubiquitous power Internet of things is characterized by comprising a first fire extinguishing device used for a transformer and a second fire extinguishing device used for a switch cabinet,
the first fire extinguishing device comprises a current and voltage detection unit, a first smoke detection unit, an image acquisition unit and a first control unit,
the first control unit judges whether the transformer is abnormal according to the current and voltage conditions, then open fire and smoke detection is carried out on the abnormal transformer, and classification processing is carried out according to the detection result;
the second fire extinguishing device comprises a temperature detection unit, a second smoke detection unit, a second control unit and an execution unit;
The second control unit sends a control instruction to the execution unit according to the temperature detection result and the smoke detection result, and the execution unit executes corresponding action according to the instruction;
The current and voltage detection unit, the first smoke detection unit and the image acquisition unit are sequentially connected with the first control unit, the temperature detection unit and the second smoke detection unit are sequentially connected with the second control unit, and the second control unit is connected with the execution unit.
2. the fire extinguishing system based on the ubiquitous power internet of things as claimed in claim 1, wherein the first smoke detecting unit comprises a laser transmitter and a laser receiver which are placed at the same height at both ends of the transformer installation path.
3. the fire extinguishing system based on the Internet of things of ubiquitous power according to claim 1, wherein the execution unit is a gas circuit device capable of giving an alarm at a high temperature, the gas circuit device comprises branch pipelines (3) communicated with the interior of the switch cabinet (1) and a main pipeline (2) communicated with all the branch pipelines (3), one end of the main pipeline (2) is connected with a suction pump (7), the suction pump (7) is provided with a gas outlet, the suction pump (7) is connected with a gas storage tank (8), and carbon dioxide gas is contained in the gas storage tank (8).
4. a fire extinguishing system based on the ubiquitous power Internet of things as claimed in claim 3, wherein the temperature detecting unit comprises a main pipe temperature sensor (4) installed at the connection of the main pipe and the air pump and a branch pipe temperature sensor (6) installed at the communication position of the branch pipe (3) and the switch cabinet (1).
5. A fire extinguishing system based on the internet of things of ubiquitous power as claimed in claim 3, wherein the second smoke detection unit is a branch pipe smoke detector (5) installed at the communication position of the branch pipe (3) and the switch cabinet (1).
6. A fire extinguishing method based on the ubiquitous power Internet of things, which adopts the system in any one of claims 1 to 5, and is characterized in that:
Comprises a transformer fire extinguishing step and a switch cabinet fire extinguishing step
the transformer fire extinguishing step comprises:
S11, presetting a transformer and a current and voltage detection unit;
S12, analyzing the current and voltage detection report by the first control unit, and judging the abnormal condition of the transformer;
s13, finding out the position of the abnormal transformer by an image acquisition unit and acquiring a real-time image of the abnormal transformer;
S14, the first control unit compares the real-time image of the abnormal transformer with the open fire image in the database, and if open fire is determined, the power is cut off immediately to extinguish the fire;
s15, if no open fire exists, the first control unit checks the detection result of the first smoke detection unit and sends a fault report to related technicians according to the result;
the switch cabinet extinguishment step comprises the following steps:
s21, the temperature detection unit sends real-time temperature data to a second control unit;
s22, the second control unit compares the real-time temperature data with a preset threshold value and controls the execution unit according to the comparison result;
S23, the second smoke detection unit sends a detection report to the second control unit;
s24, if the detection result shows that smoke exists, the second control unit sends a fire extinguishing and fire retarding instruction to the execution unit;
and S25, the execution unit executes corresponding operation according to the fire extinguishing and fire retarding instruction.
7. the fire extinguishing method based on the ubiquitous power internet of things according to claim 6, wherein the fire extinguishing method is characterized in that
The specific content of S11 includes
s111: numbering the position of each transformer, wherein each transformer is provided with a voltage and current detection unit with a corresponding number;
S112: the current and voltage detection unit sends a detection report of the corresponding number to the first control unit.
8. The fire extinguishing method based on the ubiquitous power internet of things according to claim 6, wherein,
The specific content of S13 includes
S131: the image acquisition unit receives the number of the abnormal transformer;
s132: the image acquisition unit inquires a corresponding preset position according to the number;
s133: the image acquisition unit is aligned with the abnormal transformer to independently acquire real-time images of the abnormal transformer.
9. the fire extinguishing method based on the ubiquitous power internet of things according to claim 6, wherein the specific content of S22 comprises
S221: the second control unit compares the real-time temperature data with a preset threshold value;
S222: if the real-time temperature data is larger than the preset threshold value, the second control unit sends a ventilation instruction to the execution unit;
S223: and the execution unit increases the working power of the air pump according to the ventilation instruction.
10. the fire extinguishing method based on the ubiquitous power internet of things according to claim 6, wherein the specific content of S25 comprises
S251, the execution unit opens the valve of the gas storage tank according to the fire extinguishing and fire retarding instruction;
s252: controlling the air pump to pump air reversely;
s253: closing the air outlet;
s254: and the carbon dioxide gas in the gas storage tank is filled into the switch cabinet through the main pipeline and the branch pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910631645.8A CN110538403A (en) | 2019-07-12 | 2019-07-12 | fire extinguishing system and method based on ubiquitous power Internet of things |
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| CN201910631645.8A CN110538403A (en) | 2019-07-12 | 2019-07-12 | fire extinguishing system and method based on ubiquitous power Internet of things |
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| CN110538403A true CN110538403A (en) | 2019-12-06 |
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| CN201910631645.8A Pending CN110538403A (en) | 2019-07-12 | 2019-07-12 | fire extinguishing system and method based on ubiquitous power Internet of things |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110917532A (en) * | 2019-12-13 | 2020-03-27 | 福开尔（西安）电气有限公司 | Fire extinguishing system of locomotive power distribution system |
| CN111084946A (en) * | 2019-12-28 | 2020-05-01 | 国网新疆电力有限公司检修公司 | Transformer substation is with accurate fire extinguishing systems of large-scale oil charge equipment |
| CN111145483A (en) * | 2019-12-28 | 2020-05-12 | 国网新疆电力有限公司检修公司 | Intelligent flame detection system for large oil-filled equipment for transformer substation |
| CN111199625A (en) * | 2020-01-19 | 2020-05-26 | 中山市果度装饰工程有限公司 | Whole fire control safety intelligent system of building |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0739599A (en) * | 1993-08-02 | 1995-02-10 | Hochiki Corp | Device for preventing spread of fire in cable |
| US20100296205A1 (en) * | 2008-01-01 | 2010-11-25 | Ctr Manufacturing Industries Limited | System and method for preventing, protecting oltc from fire and/or transformer from explosion |
| CN109364414A (en) * | 2018-07-12 | 2019-02-22 | 北京南瑞怡和环保科技有限公司 | A kind of substation's fire-fighting control method and device |
| CN208904503U (en) * | 2018-11-19 | 2019-05-24 | 合肥鑫立泰电器有限责任公司 | A kind of high-tension switch cabinet of fire-proof |
-
2019
- 2019-07-12 CN CN201910631645.8A patent/CN110538403A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0739599A (en) * | 1993-08-02 | 1995-02-10 | Hochiki Corp | Device for preventing spread of fire in cable |
| US20100296205A1 (en) * | 2008-01-01 | 2010-11-25 | Ctr Manufacturing Industries Limited | System and method for preventing, protecting oltc from fire and/or transformer from explosion |
| CN109364414A (en) * | 2018-07-12 | 2019-02-22 | 北京南瑞怡和环保科技有限公司 | A kind of substation's fire-fighting control method and device |
| CN208904503U (en) * | 2018-11-19 | 2019-05-24 | 合肥鑫立泰电器有限责任公司 | A kind of high-tension switch cabinet of fire-proof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110917532A (en) * | 2019-12-13 | 2020-03-27 | 福开尔（西安）电气有限公司 | Fire extinguishing system of locomotive power distribution system |
| CN111084946A (en) * | 2019-12-28 | 2020-05-01 | 国网新疆电力有限公司检修公司 | Transformer substation is with accurate fire extinguishing systems of large-scale oil charge equipment |
| CN111145483A (en) * | 2019-12-28 | 2020-05-12 | 国网新疆电力有限公司检修公司 | Intelligent flame detection system for large oil-filled equipment for transformer substation |
| CN111084946B (en) * | 2019-12-28 | 2021-04-06 | 国网新疆电力有限公司检修公司 | Transformer substation is with accurate fire extinguishing systems of large-scale oil charge equipment |
| CN111145483B (en) * | 2019-12-28 | 2021-06-18 | 国网新疆电力有限公司检修公司 | Intelligent flame detection system for large oil-filled equipment for transformer substation |
| CN111199625A (en) * | 2020-01-19 | 2020-05-26 | 中山市果度装饰工程有限公司 | Whole fire control safety intelligent system of building |
| CN111199625B (en) * | 2020-01-19 | 2021-07-20 | 江西电信信息产业有限公司 | Whole fire control safety intelligent system of building |
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Application publication date: 20191206 |