CN112952999A - Intelligent building fire extinguishing system - Google Patents
Intelligent building fire extinguishing system Download PDFInfo
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- CN112952999A CN112952999A CN202110082921.7A CN202110082921A CN112952999A CN 112952999 A CN112952999 A CN 112952999A CN 202110082921 A CN202110082921 A CN 202110082921A CN 112952999 A CN112952999 A CN 112952999A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- Fire Alarms (AREA)
Abstract
The application relates to an intelligent building fire-fighting system, which belongs to the field of building fire-fighting and comprises a fire detection system, a fire control system and a plurality of execution terminals, wherein the fire detection system, the fire control system and the execution terminals are powered by a building power supply grid; a power supply control terminal is configured at a node of a building power supply grid, a line resistance acquisition terminal is arranged relative to two power supply control terminals and used for acquiring the line resistance value of a local building power supply grid between the two power supply control terminals, when the line resistance value is larger than a set value of the line resistance, a fire disaster is about to spread to the local building power supply grid, at the moment, one power supply control terminal located at the front end controls the rear end grid of the node where the power supply control terminal is located to be disconnected from the front end grid, so that the local building power supply grid burnt by the fire disaster is always in a power-off state, and the possibility of further fire accidents caused by the fact that the building power supply grid is burnt by the.
Description
Technical Field
The application relates to the field of building fire control, in particular to an intelligent building fire control system.
Background
The building fire protection system is a fire protection linkage control system applied to a building, and generally comprises a fire detection system, a fire protection control system and a plurality of execution terminals. When the fire detection system detects a fire in a building, the fire control system controls various execution terminals to perform specified actions, such as cutting off an air conditioner in an alarm area, closing a fire valve on an air conditioning pipeline, opening a smoke exhaust valve on a smoke exhaust pipeline, automatically closing an electric fire door and a fire shutter door which are not related to the part, or sequentially cutting off a non-fire-fighting power supply, switching on accident lighting, namely evacuation marker lights, stopping transporting all elevators except a fire elevator, starting the fire extinguishing system to perform operations such as automatic fire extinguishing and the like.
In a building fire protection system, a plurality of execution terminals are distributed at a plurality of positions in a building, and the execution terminals still need to work when a fire disaster occurs, and correspondingly need power supply, namely, a plurality of power supply circuits in the building still have electricity when the fire disaster occurs. If a fire disaster spreads to the location of the live power supply line, the situation of short circuit, open circuit, etc. may occur due to the burning of the power supply line, which affects the normal operation of the power supply line, and even promotes further fire-fighting accidents such as fire disaster, electric shock of the evacuee, etc.
Disclosure of Invention
In order to reduce the possibility that a fire disaster burns out a power supply line to cause further fire accidents, the application provides an intelligent building fire protection system.
The application provides a pair of intelligent building fire extinguishing system adopts following technical scheme:
an intelligent building fire protection system, comprising: fire detection system, fire control system and a plurality of execution terminal, fire detection system, fire control system and a plurality of execution terminal pass through building power supply electric wire netting power supply, still include: the system comprises a plurality of power supply control terminals and a plurality of line resistance acquisition terminals;
the power supply control terminals are respectively arranged at a plurality of nodes of the building power supply grid, and each power supply control terminal is used for controlling the connection of the building power supply grid relative to a front-end power grid and a rear-end power grid of the power supply control terminal;
each line resistance acquisition terminal is arranged opposite to two adjacent power supply control terminals and is used for acquiring the line resistance of a building power supply grid between the two opposite power supply control terminals;
the line resistance acquisition terminal is connected with one of the two power supply control terminals opposite to the line resistance acquisition terminal, which is positioned at the front end, and when the line resistance acquired by the line resistance acquisition terminal is greater than a set value of the line resistance, the one of the two power supply control terminals opposite to the line resistance acquisition terminal, which is positioned at the front end, is controlled to cut off the connection between the rear-end power grid positioned behind the one of the front ends and the front-end power grid.
By adopting the technical scheme, when the time delay of a fire disaster occurs, the local building power supply grid close to the fire disaster place has increased resistance at the high temperature of the fire disaster, the increase of the line resistance of the part of the building power supply grid can be collected by the corresponding line resistance collection terminal, when the line resistance of the part of the building power supply grid is greater than the set value of the line resistance, the part of the building power supply grid can disconnect the part of the building power supply grid from the front end grid, so that the building power supply grid which is always uncharged is burnt when the fire disaster spreads to the local building power supply grid, the local building power supply grid is prevented from being burnt by the fire disaster, the burnt part of the building power supply grid is always in the uncharged state, the normal work of the building power supply grid of the charged part cannot be influenced, electric sparks cannot be generated when the building power supply grid is burnt to the short-circuit state, and escape personnel can not get an electric shock when the power supply line of the, thereby reducing the possibility of further fire-fighting accidents caused by the fire burning the building power supply grid.
Optionally, the line resistance collecting terminal includes two potential collecting devices, where the two potential collecting devices are respectively disposed at two ends of a building power supply grid between two opposite power supply control terminals, and are configured to collect potentials at two ends of the part of the building power supply grid, so as to determine the line resistance of the part of the building power supply grid;
and when the line resistance acquired by the two electric potential acquisition devices is greater than a set line resistance value, one of the two power supply control terminals opposite to the two electric potential acquisition devices, which is positioned at the front end, is cut off and the connection between the rear end power grid and the front end power grid is disconnected.
By adopting the technical scheme, the difference of the electric potentials acquired by the two electric potential acquisition devices can accurately determine the voltage drop of the power supply voltage in the corresponding part of the building power supply power grid, so that the line resistance of the part of the building power supply power grid can be accurately determined.
Optionally, the line resistance acquisition terminal further includes a terminal processor, and the terminal processor is connected to the two potential acquisition devices and one of the two power supply control terminals located at the front end and opposite to the two potential acquisition devices, and is configured to determine the line resistance of the part of building power supply grid according to the two potentials acquired by the two potential acquisition devices.
By adopting the technical scheme, the line resistance of the building power supply power grid of the corresponding part can be determined by the application terminal processor according to the difference of the electric potentials acquired by the two electric potential acquisition devices, and the line resistance acquisition terminal can directly output information reflecting the line resistance value, so that the line resistance value of the building power supply power grid of the corresponding line resistance acquisition terminal can be determined simply and conveniently.
Optionally, the power supply control terminal includes a switch controller and a terminal switch, the terminal switch is disposed in the building power supply grid to control connection between a front-end power grid and a rear-end power grid thereof, and the switch controller is configured to control on and off of the terminal switch;
the line resistance acquisition terminal is connected with the switch controller, and the switch controller is used for controlling the terminal switch to be switched off when the line resistance acquired by the line resistance acquisition terminal is greater than a set value of the line resistance.
By adopting the technical scheme, the power supply control terminal is formed by the switch controller and the terminal switch, so that the power supply control terminal is simple and stable in structure, the cost of the power supply control terminal is reduced, and the reliability of the power supply control terminal is improved.
Optionally, the fire control system is connected to the switch controller to obtain an on/off state of the terminal switch.
Through adopting above-mentioned technical scheme, fire control system can monitor terminal switch's the on-off state to fire control system distinguishes electrified part and the uncharged part in the building power supply electric wire netting.
Optionally, the fire fighting control system is connected to the line resistance acquisition terminal to obtain the line resistance value acquired by the line resistance acquisition terminal.
By adopting the technical scheme, the fire control system can be used for carrying out centralized monitoring on the line resistance values of all parts of the building power supply grid, so that related workers can determine the fire condition in the building according to the line resistance values of all parts of the building power supply grid.
Optionally, the power supply control terminal and the line resistance acquisition terminal are connected through a high-temperature-resistant signal line.
Through adopting above-mentioned technical scheme, improved power supply control terminal and line and hindered the stability of gathering between the terminal signal connection, be favorable to improving this building fire extinguishing system's job stabilization nature and reliability.
Optionally, the fire control system is connected with the power supply indicating terminal, so as to generate a state diagram of the building power supply grid according to the state of the power supply control terminal, pre-stored line information of the building power supply grid and the pre-stored position information of the power supply control terminal in the building power supply grid, wherein the state diagram is used for displaying the building power supply grid and identifying a charged part and a power-off part in the building power supply grid.
By adopting the technical scheme, the method is beneficial to relevant workers to more intuitively watch the state of the power supply grid of the building.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the intelligent building fire-fighting system is provided, the line resistance value of a local building power supply grid is monitored through a line resistance acquisition terminal, when the line resistance value is larger than a set line resistance value, it is indicated that a fire hazard has a risk of spreading to the local building power supply grid, and a power supply control terminal controls the local building power supply grid to be powered off, so that the local building power supply grid which is always uncharged is burnt by the fire hazard, and the possibility of further fire-fighting accidents caused by the burning of the building power supply grid by the fire hazard is reduced;
2. the high-temperature-resistant signal wire is used for connecting the wire resistance acquisition terminal and the power supply control terminal, so that the signal wire between the wire resistance acquisition terminal and the power supply control terminal is not easy to burn out, and the signal connection between the wire resistance acquisition terminal and the power supply control terminal is more reliable;
3. the state of the building power supply grid can be visually displayed in the power supply indicating terminal, and the state of the building power supply grid can be conveniently determined by related workers.
Drawings
Fig. 1 shows a schematic structural diagram of an intelligent building fire protection system in an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Fig. 1 shows a schematic structural diagram of an intelligent building fire protection system in an embodiment of the present application.
Referring to fig. 1, the intelligent building fire fighting system includes a fire detection system 110, a fire control system 120, a plurality of executive terminals 130, and a plurality of power supply control terminals 140 and a plurality of line resistance collection terminals 150.
The fire detection system 110 is composed of a plurality of fire detection devices such as a fire alarm, a smoke detector, and a temperature detector, which are disposed at various locations in the building, so that the fire detection system 110 can detect a fire when a fire breaks out in the building.
The fire control system 120 is a control center of the intelligent building fire control system, is connected to the fire detection system 110, and is capable of acquiring fire related information detected by the fire detection system 110.
The execution terminal 130 is a terminal device in the intelligent building fire protection system, such as a smoke exhauster and a valve in a smoke exhausting system, a valve in a fire extinguishing system, an elevator, a fire protection automatic door, and the like, and the execution terminal is connected with the fire protection control system 120 and acts under the control of the fire protection control system 120.
The fire detection system 110, the fire control system 120, and the execution terminal 130 are conventional in fire control systems, and therefore, will not be described in detail. The fire detection system 110, the fire control system 120 and the execution terminal 130 are all powered by a building power supply grid 200, and the building power supply grid 200 is a power supply grid deployed in a building, which is powered by a city power grid and supplies power to an intelligent building fire control system.
In the building power supply grid 200, the direction close to the utility grid is the "front" side as described herein, and the direction away from the utility grid is the "rear" side as described herein, the close and far are not spatial distances from the utility grid, but rather are relatively close to or far away from the utility grid on the power supply line, and when the front end grid is powered off, all the rear end grids derived from the front end grid are powered off.
The power supply control terminal 140 and the line resistance collection terminal 150 are plural. A power control terminal 140 is configured at a node of the building power grid 200 to control the connection between the front end power grid and the rear end power grid of the building power grid 200 corresponding to the node, and when the rear end power grid is disconnected from the front end power grid, the rear end power grid is in an uncharged state. One line resistance acquisition terminal 150 is disposed opposite to two adjacent power supply control terminals 140, and is used for acquiring the line resistance value of the local building power supply grid 200 between the two power supply control terminals 140. The line resistance acquisition terminal 150 is connected to one of the two power supply control terminals located at the front end, when the acquired line resistance value is greater than the line resistance set value, it is indicated that a fire disaster approaches the local building power supply grid 200, and the one power supply control terminal 140 located at the front end opposite to the line resistance acquisition terminal 150 controls the rear end grid of the node where the line resistance acquisition terminal is located to be disconnected from the front end grid, so that the local building power supply grid 200 with the line resistance value greater than the line resistance set value is powered off, and further fire accidents caused by the fact that the live building power supply grid 200 is burnt out by the fire disaster are avoided.
Specifically, the power supply control terminal 140 includes a terminal switch and a switch controller. In the figure, the end switches are shown in a conventional switch pattern and the switch controller is shown in a rectangular box with signal connections to the switch controller. The terminal switch is configured at a node of the building power supply grid 200 to control the connection between the back-end grid and the front-end grid of the node, and the switch controller is used for controlling the on-off of the terminal switch to realize the connection between the front-end grid and the back-end grid of the node.
The terminal switch can be selected as a normally closed contact of the contactor, and the switch controller can comprise the contactor and a power supply circuit and a control circuit of the contactor so as to realize power supply and control on the contactor.
The power supply control terminal 140 can be powered by the building power supply grid 200, the power-taking node is located in front of the terminal switch, the power supply control terminal 140 can also be provided with a storage battery, the obtained power is used for charging the storage battery, and the connection state of the front-end power grid and the rear-end power grid of the corresponding node is controlled at the moment of fire occurrence. This part of the technology is routine for those skilled in the art and is not specifically disclosed.
The line resistance collecting terminal 150 includes two potential collecting devices and a terminal processor, in the figure, the terminal processor is identified by a circle, the potential collecting device is not shown in the figure, and only an arrow indicates a node where the two potential collecting devices collect potentials. The two potential acquisition devices are arranged at two ends of the corresponding local building power supply grid 200 and are respectively used for acquiring potentials at the two ends. The terminal processor is in signal connection with the two potential acquisition devices so as to determine the voltage drop of the power supply voltage on the local building power supply grid 200 according to the potentials acquired by the two potential acquisition devices, and the voltage drop can reflect the line resistance of the local building power supply grid. The line resistance collection terminal 150 may also be configured with a battery, and be powered by the building power grid 200 to charge the battery.
The application of the potential collecting device to collect the potential on the power supply line is a conventional means for those skilled in the art and will not be described.
The corresponding power supply control terminal 140 is in signal connection with the line resistance acquisition terminal 150, and specifically, the terminal processor thereof is in signal connection with the switch controller. The signal output by the terminal processor reflects the line resistance value of the corresponding local building power supply grid 200, the control circuit part of the switch controller also has processing capacity, a line resistance set value is preset in the switch controller, and when the line resistance value determined by the terminal processor is larger than the line resistance set value, the switch controller controls the terminal switch to be switched off, so that the rear-end grid is switched off from the front-end grid.
The connection of the potential acquisition device and the terminal processor and the connection of the terminal processor and the switch controller can be connected through high-temperature-resistant signal lines, and the high-temperature-resistant signal lines can bear higher temperature than a building power supply grid and are not easy to damage in a fire, so that the possibility that the building power supply grid 200 is not damaged in the time delay of the fire disaster, but the connection of the power supply control terminal 140 and the line resistance acquisition terminal 150 is damaged firstly is reduced.
The spatial position between the potential acquisition device, the terminal processor and the switch controller is relatively close to each other, which is beneficial to arranging shorter high-temperature resistant signal wires, saves the cost and can reduce the possibility of burning the high-temperature resistant signal wires.
In addition, in order to facilitate the centralized monitoring of the fire protection control system 120 on the power supply control terminal 140 and the line resistance acquisition terminal 150, both the power supply control terminal 140 and the line resistance acquisition terminal 150 are in signal connection with the fire protection control system 150.
Specifically, the switch controller and the terminal processor are both connected to the fire control system 120 through high temperature resistant signal lines, and the on/off state of the corresponding terminal switch of the switch controller and the line resistance value of the local building power supply grid 200 determined by the terminal processor can be obtained through the fire control system 120.
The switch controller and the terminal processor are connected with the fire control system 120 through the high temperature resistant signal line, so that the electric quantity of the independent power supply in the power supply control terminal 140 and the line resistance acquisition terminal 150 can be saved. When the saving of the electric quantity of the independent power supply is not considered, the two can also be connected with the fire control system 120 through wireless signals of the wireless communication module.
The fire control system 120 may further be connected to a power supply indication terminal 160, where the power supply indication terminal 160 includes a display, a circuit diagram of the building power supply grid 200 is prestored in the fire control system 120, and an independent identifier of each power supply control terminal 160 and a position on the building power supply grid 200 are also prestored, the fire control system 120 can determine a state of the building power supply grid 200 according to an on-off state of a terminal switch fed back by the power supply control terminal 140, and generate a state diagram of the building power supply grid 200, and distinguish an electrified portion and a power-off portion of the building power supply grid 200 in the state diagram, where the distinguishing manner may be arbitrary, for example, a red circuit is used to identify the power-off portion, and a green circuit is used to identify the electrified.
The power supply indication terminal 160 may be a host system of computers and displays capable of displaying the state diagram in a control room of a building. The power supply indication terminal 160 may also be a mobile terminal device such as a mobile phone or a tablet computer connected to the fire control system 120, so that the relevant staff can conveniently take the mobile terminal device to check the state of the building power supply grid 200.
The implementation principle of intelligent building fire extinguishing system in the embodiment of the application is as follows: when a fire disaster spreads to be close to a local building power supply grid 200, the line resistance value collected by the corresponding line resistance collection terminal 150 of the local building power supply grid 200 increases, when the line resistance value is larger than the preset value, it indicates that the fire disaster is too close to the local building power supply grid 200, possibly spreads to the local building power supply grid 200 at any time, and burns out the local building power supply grid 200, at this time, the opposite power supply control terminal 140 controls the local building power supply grid 200 and the rear end grid to be disconnected by the front end grid, so that when the fire disaster spreads to the local building power supply grid 200 and burns out the local building power supply grid 200, the local building power supply grid 200 is in an uncharged state, thereby preventing the power supply line from being broken and falling behind the local building power supply grid 200 during burning out, and being mistakenly touched by escape personnel in a building to cause electric shock, and also preventing the electric spark from generating after short circuit and promoting the fire disaster, or the short circuit causes the whole or most of the building power supply grid 200 to be directly powered off, and normal application of terminal equipment in a power-off range is influenced.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the disclosure herein is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the disclosure. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (8)
1. An intelligent building fire protection system, comprising: fire detection system (110), fire control system (120) and a plurality of execution terminal (130), fire detection system (110), fire control system (120) and a plurality of execution terminal (130) pass through building power supply electric wire netting (200) power supply, its characterized in that still includes: a plurality of power supply control terminals (140) and a plurality of line resistance acquisition terminals (150);
the power supply control terminals (140) are respectively arranged at a plurality of nodes of the building power supply grid (200), and each power supply control terminal (140) is used for controlling the connection of the building power supply grid (200) relative to a front end grid and a rear end grid of the power supply control terminal (140);
each line resistance acquisition terminal (150) is arranged opposite to two adjacent power supply control terminals (140), and the line resistance acquisition terminals (150) are used for acquiring the line resistance of a building power supply grid (200) between the two opposite power supply control terminals (140);
the line resistance acquisition terminal (150) is connected with one of the two power supply control terminals (140) opposite to the line resistance acquisition terminal (150) which is positioned at the front end, and when the line resistance acquired by the line resistance acquisition terminal (150) is larger than a set value of the line resistance, the one of the two power supply control terminals (140) opposite to the line resistance acquisition terminal (150) which is positioned at the front end is controlled to cut off the connection between the rear end power grid positioned behind the one positioned at the front end and the front end power grid.
2. The intelligent building fire fighting system according to claim 1, wherein the line resistance collection terminals comprise two potential collection devices, and the two potential collection devices are respectively arranged at two ends of the building power supply grid (200) between two opposite power supply control terminals (140) and are used for collecting potentials at two ends of the part of the building power supply grid (200) to determine the line resistance of the part of the building power supply grid (200);
when the line resistance acquired by the two electric potential acquisition devices is larger than a set value of the line resistance, one of the two power supply control terminals (140) opposite to the two electric potential acquisition devices, which is positioned at the front end, cuts off the connection between the rear end power grid and the front end power grid.
3. The intelligent building fire-fighting system according to claim 2, wherein the line resistance acquisition terminal further comprises a terminal processor, and the terminal processor is connected to the two potential acquisition devices and one of the two power supply control terminals (140) located at the front end, and is configured to determine the line resistance of the part of the building power supply grid (200) according to the two potentials acquired by the two potential acquisition devices.
4. The intelligent building fire protection system according to claim 1, wherein the power supply control terminal (140) comprises a switch controller and a terminal switch, the terminal switch is arranged on the building power supply grid (200) to control connection of a front end grid and a rear end grid thereof, and the switch controller is used for controlling on and off of the terminal switch;
the line resistance acquisition terminal (150) is connected with the switch controller, and the switch controller is used for controlling the terminal switch to be switched off when the line resistance acquired by the line resistance acquisition terminal (150) is greater than a set value of the line resistance.
5. The intelligent building fire fighting system according to claim 4, wherein the fire fighting control system (120) is connected to the switch controller to obtain the on-off state of the terminal switch.
6. The intelligent building fire fighting system according to claim 5, wherein the fire fighting control system (120) is connected to the line resistance acquisition terminal (150) to obtain the line resistance value acquired by the line resistance acquisition terminal (150).
7. The intelligent building fire fighting system according to claim 6, wherein the power supply control terminal (140) and the line resistance acquisition terminal (150) are connected by a high temperature resistant signal line.
8. The intelligent building fire protection system according to any one of claims 5 to 7, further comprising a power supply indication terminal (160), wherein the fire protection control system (120) is connected to the power supply indication terminal (160) to generate a status map of the building power supply grid (200) according to the status of the power supply control terminal (140), pre-stored line information of the building power supply grid (200) and pre-stored location information of the power supply control terminal (140) on the building power supply grid (200), and the status map is used for displaying the building power supply grid (200) and identifying a live part and a power-off part therein.
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| CN202110082921.7A CN112952999A (en) | 2021-01-21 | 2021-01-21 | Intelligent building fire extinguishing system |
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| CN202110082921.7A CN112952999A (en) | 2021-01-21 | 2021-01-21 | Intelligent building fire extinguishing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114743334A (en) * | 2022-04-11 | 2022-07-12 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Fire monitoring system for electrical equipment |
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