CN113877102A - Intelligent fire detection and extinguishing system based on closed switch cabinet - Google Patents
Intelligent fire detection and extinguishing system based on closed switch cabinet Download PDFInfo
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- CN113877102A CN113877102A CN202111329492.5A CN202111329492A CN113877102A CN 113877102 A CN113877102 A CN 113877102A CN 202111329492 A CN202111329492 A CN 202111329492A CN 113877102 A CN113877102 A CN 113877102A
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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
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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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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- Fire-Detection Mechanisms (AREA)
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Abstract
The invention discloses an intelligent fire detection and extinguishing system based on a closed switch cabinet, which comprises an in-cabinet temperature monitoring module, a cable temperature monitoring module, a smoke monitoring module, an arc light monitoring module, a pressure monitoring module and a central processing module, wherein the output end of the in-cabinet temperature monitoring module is connected with the input end of the central processing module, the output end of the cable temperature monitoring module is connected with the input end of the central processing module, the output end of the smoke monitoring module is connected with the input end of the central processing module, the output end of the arc light monitoring module is connected with the input end of the central processing module, the output end of the pressure monitoring module is connected with the input end of the central processing module, and the central processing module is respectively connected with a positioning module, a storage module and a touch screen. The intelligent monitoring system can monitor the temperature, the cable temperature, the smoke, the arc light and the pressure in the cabinet, and when any data is abnormal, the system can technically carry out power-off, alarming and fire-extinguishing operations, so that the safety is ensured.
Description
Technical Field
The invention relates to the technical field of switch cabinet fire extinguishing, in particular to an intelligent fire detection and extinguishing system based on a closed switch cabinet.
Background
The switch cabinet is an electrical device, is used for providing installation and fixation for various electrical appliances, and is mainly used for opening and closing, controlling and protecting the electrical device in the power generation, power transmission, power distribution and electric energy conversion processes in an electric power system. After the switch cabinet operates for a long time, the electronic elements inside the switch cabinet lead to the increase of the contact resistance of the diversion position due to aging, oxidation or operation vibration, a large amount of heat is generated, if the heat can not be dissipated through the radiating holes of the switch cabinet, the contact resistance can be aggravated along with the accumulation of time, vicious circle is formed, disasters such as electric arcs or combustion occur, and huge potential safety hazards and economic loss are brought. Therefore, safety protection of the switchgear is of great importance in the operation of electric power. The safety protection of the switch cabinet mainly prevents high temperature and combustion, ensures normal operation of the switch, or avoids other equipment from being damaged when partial equipment breaks down.
However, because the electrical components in the switch cabinet are special, mainly wires and cables, if the switch cabinet is ignited and then is used for extinguishing fire, the insulation performance of electrical equipment can be reduced, and nearby fire fighting personnel can be endangered. Therefore, an intelligent fire detection and extinguishing system based on a closed switch cabinet is provided.
Disclosure of Invention
The invention aims to provide an intelligent fire detection and extinguishing system based on a closed switch cabinet, and aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent fire detection and extinguishing system based on a closed switch cabinet comprises an in-cabinet temperature monitoring module, a cable temperature monitoring module, a smoke monitoring module, an arc light monitoring module, a pressure monitoring module and a central processing module, wherein the output end of the in-cabinet temperature monitoring module is connected with the input end of the central processing module, the output end of the cable temperature monitoring module is connected with the input end of the central processing module, the output end of the smoke monitoring module is connected with the input end of the central processing module, the output end of the arc light monitoring module is connected with the input end of the central processing module, the output end of the pressure monitoring module is connected with the input end of the central processing module, the central processing module is respectively connected with a positioning module, a storage module and a touch screen, the output end of the central processing module is connected with the input end of a fire extinguishing module, and the output end of the central processing module is connected with the input end of a circuit breaker, the output end of the central processing module is connected with the input end of an alarm module, and the output end of the central processing module is connected with the input end of a display module; the cabinet internal temperature monitoring module is used for monitoring the temperature in the cabinet; the cable temperature monitoring module is used for monitoring the temperature of the cable in the cabinet; the smoke monitoring module is used for monitoring smoke in the cabinet; the arc light monitoring module is used for monitoring arc light in the cabinet; the pressure monitoring module is used for monitoring the pressure in the cabinet.
Preferably, the fire extinguishing module comprises a plurality of fire extinguishers, and a plurality of fire extinguishers are installed respectively on the top, the bottom and each inner wall of cubical switchboard.
Preferably, the fire extinguisher is a carbon dioxide fire extinguisher, a carbon tetrachloride fire extinguisher or a dry powder fire extinguisher.
Preferably, the system also comprises a camera and a monitoring terminal, wherein the camera is used for shooting and monitoring the environment in the cabinet; and the monitoring terminal is used for monitoring the condition in the cabinet by background personnel.
Preferably, the fire extinguishing method comprises the following steps:
s1: setting a threshold value of each monitoring module;
s2: simultaneously monitoring whether the temperature in the cabinet is greater than a first threshold value, whether the temperature of the cable is greater than the first threshold value, whether the smoke concentration is greater than the first threshold value, whether the arc light brightness is greater than the first threshold value and whether the pressure in the cabinet is greater than a set threshold value;
s3: if the temperature in the cabinet is not more than a first threshold value, the temperature of the cable is not more than the first threshold value, the smoke concentration is not more than the first threshold value, the arc brightness is not more than the first threshold value, and the pressure in the cabinet is not more than a set threshold value, the switch cabinet is normal and has no open fire;
s4: if the temperature in the cabinet is greater than the first threshold value, judging whether the temperature in the cabinet is greater than a second threshold value; if not, go to step S9; if the second threshold value is greater than the first threshold value, the flow proceeds to step S11;
s5: if the temperature of the cable is greater than the first threshold value, judging whether the temperature of the cable is greater than a second threshold value; if not, go to step S9; if the second threshold value is greater than the first threshold value, the flow proceeds to step S11;
s6: if the smoke concentration is greater than the first threshold value, judging whether the smoke concentration is greater than a second threshold value; if not, go to step S9; if the second threshold value is greater than the first threshold value, the flow proceeds to step S11;
s7: if the arc brightness is larger than the first threshold value, judging whether the arc brightness is larger than a second threshold value; if not, go to step S9; if the second threshold value is greater than the first threshold value, the flow proceeds to step S11;
s8: if the pressure in the cabinet is larger than the set threshold value, the step S11 is carried out;
s9: the background judges whether a fire is on by monitoring; if it is judged that there is no fire, the routine proceeds to step S10; if the fire is judged to be on, the flow proceeds to step S11;
s10: normal and open fire does not exist in the switch cabinet;
s11: the circuit breaker cuts off the circuit, the alarm module starts to alarm, and the fire extinguishing module starts to extinguish fire.
Preferably, the positioning module is used for positioning the switch cabinet, and when the switch cabinet is monitored to be in a fire, background personnel can acquire the position of the relevant switch cabinet through the positioning module.
Preferably, the display module is used for displaying the temperature, the smoke concentration, the arc brightness and the pressure in the switch cabinet.
Compared with the prior art, the invention has the beneficial effects that: through setting up temperature monitoring module, cable temperature monitoring module, smog monitoring module, arc light monitoring module, pressure monitoring module in the cabinet, can monitor temperature, cable temperature, smog, arc light and pressure in the cabinet, when arbitrary data appears unusually, but the system technique cuts off the power supply, reports to the police and puts out a fire the operation, guarantees the security.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of the present invention.
Fig. 2 is a flow chart of the present invention.
In the figure: 1. a cabinet internal temperature monitoring module; 2. a cable temperature monitoring module; 3. a smoke monitoring module; 4. an arc light monitoring module; 5. a pressure monitoring module; 6. a central processing module; 7. a fire extinguishing module; 8. a circuit breaker; 9. an alarm module; 10. a display module; 11. a positioning module; 12. a storage module; 13. a touch screen.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1-2, in the embodiment of the present invention, an intelligent fire detection and extinguishing system based on a closed switch cabinet includes a cabinet internal temperature monitoring module, a cable temperature monitoring module, a smoke monitoring module, an arc light monitoring module, a pressure monitoring module and a central processing module, an output end of the cabinet internal temperature monitoring module is connected to an input end of the central processing module, an output end of the cable temperature monitoring module is connected to an input end of the central processing module, an output end of the smoke monitoring module is connected to an input end of the central processing module, an output end of the arc light monitoring module is connected to an input end of the central processing module, an output end of the pressure monitoring module is connected to an input end of the central processing module, the central processing module is respectively connected to a positioning module, a storage module and a touch screen, an output end of the central processing module is connected to an input end of the extinguishing module, the output end of the central processing module is connected with the input end of a circuit breaker, the output end of the central processing module is connected with the input end of an alarm module, and the output end of the central processing module is connected with the input end of a display module; the cabinet internal temperature monitoring module is used for monitoring the temperature in the cabinet; the cable temperature monitoring module is used for monitoring the temperature of the cable in the cabinet; the smoke monitoring module is used for monitoring smoke in the cabinet; the arc light monitoring module is used for monitoring arc light in the cabinet; the pressure monitoring module is used for monitoring the pressure in the cabinet.
Preferably, the fire extinguishing module comprises a plurality of fire extinguishers, and a plurality of fire extinguishers are installed respectively on the top, the bottom and each inner wall of cubical switchboard.
Preferably, the fire extinguisher is a carbon dioxide fire extinguisher, a carbon tetrachloride fire extinguisher or a dry powder fire extinguisher.
Preferably, the system also comprises a camera and a monitoring terminal, wherein the camera is used for shooting and monitoring the environment in the cabinet; and the monitoring terminal is used for monitoring the condition in the cabinet by background personnel.
Preferably, the fire extinguishing method comprises the following steps:
s1: setting a threshold value of each monitoring module;
s2: simultaneously monitoring whether the temperature in the cabinet is greater than a first threshold value, whether the temperature of the cable is greater than the first threshold value, whether the smoke concentration is greater than the first threshold value, whether the arc light brightness is greater than the first threshold value and whether the pressure in the cabinet is greater than a set threshold value;
s3: if the temperature in the cabinet is not more than a first threshold value, the temperature of the cable is not more than the first threshold value, the smoke concentration is not more than the first threshold value, the arc brightness is not more than the first threshold value, and the pressure in the cabinet is not more than a set threshold value, the switch cabinet is normal and has no open fire;
s4: if the temperature in the cabinet is greater than the first threshold value, judging whether the temperature in the cabinet is greater than a second threshold value; if not, go to step S9; if the second threshold value is greater than the first threshold value, the flow proceeds to step S11;
s5: if the temperature of the cable is greater than the first threshold value, judging whether the temperature of the cable is greater than a second threshold value; if not, go to step S9; if the second threshold value is greater than the first threshold value, the flow proceeds to step S11;
s6: if the smoke concentration is greater than the first threshold value, judging whether the smoke concentration is greater than a second threshold value; if not, go to step S9; if the second threshold value is greater than the first threshold value, the flow proceeds to step S11;
s7: if the arc brightness is larger than the first threshold value, judging whether the arc brightness is larger than a second threshold value; if not, go to step S9; if the second threshold value is greater than the first threshold value, the flow proceeds to step S11;
s8: if the pressure in the cabinet is larger than the set threshold value, the step S11 is carried out;
s9: the background judges whether a fire is on by monitoring; if it is judged that there is no fire, the routine proceeds to step S10; if the fire is judged to be on, the flow proceeds to step S11;
s10: normal and open fire does not exist in the switch cabinet;
s11: the circuit breaker cuts off the circuit, the alarm module starts to alarm, and the fire extinguishing module starts to extinguish fire.
Preferably, the positioning module is used for positioning the switch cabinet, and when the switch cabinet is monitored to be in a fire, background personnel can acquire the position of the relevant switch cabinet through the positioning module.
Preferably, the display module is used for displaying the temperature, the smoke concentration, the arc brightness and the pressure in the switch cabinet.
The working principle of the invention is as follows: s1: setting a threshold value of each monitoring module;
s2: simultaneously monitoring whether the temperature in the cabinet is greater than a first threshold value, whether the temperature of the cable is greater than the first threshold value, whether the smoke concentration is greater than the first threshold value, whether the arc light brightness is greater than the first threshold value and whether the pressure in the cabinet is greater than a set threshold value;
s3: if the temperature in the cabinet is not more than a first threshold value, the temperature of the cable is not more than the first threshold value, the smoke concentration is not more than the first threshold value, the arc brightness is not more than the first threshold value, and the pressure in the cabinet is not more than a set threshold value, the switch cabinet is normal and has no open fire;
s4: if the temperature in the cabinet is greater than the first threshold value, judging whether the temperature in the cabinet is greater than a second threshold value; if not, go to step S9; if the second threshold value is greater than the first threshold value, the flow proceeds to step S11;
s5: if the temperature of the cable is greater than the first threshold value, judging whether the temperature of the cable is greater than a second threshold value; if not, go to step S9; if the second threshold value is greater than the first threshold value, the flow proceeds to step S11;
s6: if the smoke concentration is greater than the first threshold value, judging whether the smoke concentration is greater than a second threshold value; if not, go to step S9; if the second threshold value is greater than the first threshold value, the flow proceeds to step S11;
s7: if the arc brightness is larger than the first threshold value, judging whether the arc brightness is larger than a second threshold value; if not, go to step S9; if the second threshold value is greater than the first threshold value, the flow proceeds to step S11;
s8: if the pressure in the cabinet is larger than the set threshold value, the step S11 is carried out;
s9: the background judges whether a fire is on by monitoring; if it is judged that there is no fire, the routine proceeds to step S10; if the fire is judged to be on, the flow proceeds to step S11;
s10: normal and open fire does not exist in the switch cabinet;
s11: the circuit breaker cuts off the circuit, the alarm module starts to alarm, and the fire extinguishing module starts to extinguish fire.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an intelligent fire detection and extinguishing system based on airtight cubical switchboard which characterized in that: the intelligent fire extinguishing cabinet comprises a cabinet temperature monitoring module, a cable temperature monitoring module, a smoke monitoring module, an arc light monitoring module, a pressure monitoring module and a central processing module, wherein the cabinet temperature monitoring module output end is connected with the input end of the central processing module, the cable temperature monitoring module output end is connected with the input end of the central processing module, the smoke monitoring module output end is connected with the input end of the central processing module, the arc light monitoring module output end is connected with the input end of the central processing module, the pressure monitoring module output end is connected with the input end of the central processing module, the central processing module is respectively connected with a positioning module, a storage module and a touch screen, the central processing module output end is connected with the input end of the fire extinguishing module, the central processing module output end is connected with the input end of a circuit breaker, the central processing module output end is connected with the input end of an alarm module, the output end of the central processing module is connected with the input end of the display module; the cabinet internal temperature monitoring module is used for monitoring the temperature in the cabinet; the cable temperature monitoring module is used for monitoring the temperature of the cable in the cabinet; the smoke monitoring module is used for monitoring smoke in the cabinet; the arc light monitoring module is used for monitoring arc light in the cabinet; the pressure monitoring module is used for monitoring the pressure in the cabinet.
2. The intelligent fire detection and extinguishing system based on the closed switch cabinet as claimed in claim 1, wherein: the fire extinguishing module is composed of a plurality of fire extinguishers, and the plurality of fire extinguishers are respectively installed on the top end, the bottom end and each inner wall of the switch cabinet.
3. The intelligent fire detection and extinguishing system based on the closed switch cabinet as claimed in claim 2, wherein: the fire extinguisher adopts a carbon dioxide fire extinguisher, a carbon tetrachloride fire extinguisher or a dry powder fire extinguisher.
4. The intelligent fire detection and extinguishing system based on the closed switch cabinet as claimed in claim 1, wherein: the system comprises a cabinet, a camera and a monitoring terminal, wherein the camera is used for shooting and monitoring the environment in the cabinet; and the monitoring terminal is used for monitoring the condition in the cabinet by background personnel.
5. The intelligent fire detection and extinguishing system based on the closed switch cabinet as claimed in claim 1, wherein: the fire extinguishing method comprises the following steps:
s1: setting a threshold value of each monitoring module;
s2: simultaneously monitoring whether the temperature in the cabinet is greater than a first threshold value, whether the temperature of the cable is greater than the first threshold value, whether the smoke concentration is greater than the first threshold value, whether the arc light brightness is greater than the first threshold value and whether the pressure in the cabinet is greater than a set threshold value;
s3: if the temperature in the cabinet is not more than a first threshold value, the temperature of the cable is not more than the first threshold value, the smoke concentration is not more than the first threshold value, the arc brightness is not more than the first threshold value, and the pressure in the cabinet is not more than a set threshold value, the switch cabinet is normal and has no open fire;
s4: if the temperature in the cabinet is greater than the first threshold value, judging whether the temperature in the cabinet is greater than a second threshold value; if not, go to step S9; if the second threshold value is greater than the first threshold value, the flow proceeds to step S11;
s5: if the temperature of the cable is greater than the first threshold value, judging whether the temperature of the cable is greater than a second threshold value; if not, go to step S9; if the second threshold value is greater than the first threshold value, the flow proceeds to step S11;
s6: if the smoke concentration is greater than the first threshold value, judging whether the smoke concentration is greater than a second threshold value; if not, go to step S9; if the second threshold value is greater than the first threshold value, the flow proceeds to step S11;
s7: if the arc brightness is larger than the first threshold value, judging whether the arc brightness is larger than a second threshold value; if not, go to step S9; if the second threshold value is greater than the first threshold value, the flow proceeds to step S11;
s8: if the pressure in the cabinet is larger than the set threshold value, the step S11 is carried out;
s9: the background judges whether a fire is on by monitoring; if it is judged that there is no fire, the routine proceeds to step S10; if the fire is judged to be on, the flow proceeds to step S11;
s10: normal and open fire does not exist in the switch cabinet;
s11: the circuit breaker cuts off the circuit, the alarm module starts to alarm, and the fire extinguishing module starts to extinguish fire.
6. The intelligent fire detection and extinguishing system based on the closed switch cabinet as claimed in claim 1, wherein: the positioning module is used for positioning the switch cabinet, and when the situation that the switch cabinet is fired is monitored, background personnel can acquire the position of the related switch cabinet through the positioning module.
7. The intelligent fire detection and extinguishing system based on the closed switch cabinet as claimed in claim 1, wherein: the display module is used for displaying the temperature, the smoke concentration, the arc brightness and the pressure in the switch cabinet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111329492.5A CN113877102A (en) | 2021-11-10 | 2021-11-10 | Intelligent fire detection and extinguishing system based on closed switch cabinet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111329492.5A CN113877102A (en) | 2021-11-10 | 2021-11-10 | Intelligent fire detection and extinguishing system based on closed switch cabinet |
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| CN113877102A true CN113877102A (en) | 2022-01-04 |
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| CN202111329492.5A Pending CN113877102A (en) | 2021-11-10 | 2021-11-10 | Intelligent fire detection and extinguishing system based on closed switch cabinet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115638764A (en) * | 2022-12-23 | 2023-01-24 | 深圳科信能源科技有限公司 | Power distribution room operation and maintenance data recording system and equipment |
| CN117767124A (en) * | 2023-11-10 | 2024-03-26 | 江苏诺金电气科技有限公司 | High-low voltage power distribution cabinet with fireproof monitoring function |
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Application publication date: 20220104 |