CN117316071A - Fire-fighting intelligent evacuation indication system and operation method - Google Patents
Fire-fighting intelligent evacuation indication system and operation method Download PDFInfo
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- CN117316071A CN117316071A CN202311201255.XA CN202311201255A CN117316071A CN 117316071 A CN117316071 A CN 117316071A CN 202311201255 A CN202311201255 A CN 202311201255A CN 117316071 A CN117316071 A CN 117316071A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 238000005286 illumination Methods 0.000 claims abstract description 25
- 239000000779 smoke Substances 0.000 claims abstract description 15
- 230000009471 action Effects 0.000 claims abstract description 13
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims abstract description 9
- 239000000523 sample Substances 0.000 claims description 36
- 238000003745 diagnosis Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 230000005856 abnormality Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/005—Illumination controller or illuminated signs including an illumination control system
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
Abstract
The invention discloses a fire-fighting intelligent evacuation indication system and an operation method thereof, wherein the fire-fighting intelligent evacuation indication system comprises a sensing module, a control module and a control module, wherein the sensing module comprises a smoke sensor, a temperature sensor and a light intensity sensor; the sensing module is electrically connected with the controller, and the controller is respectively electrically connected with the standby power supply and the fault detection device; the fault detection device comprises a driving circuit, wherein the driving circuit is electrically connected with the detection circuit, the switching circuit, the delay action unit and the signal generation circuit in sequence; the invention adds the fault detection device, can maintain the controller in time, avoid causing greater loss; the increased standby power prevents the occurrence of a dead-time condition in the event of an emergency; the illumination system is used for not only providing illumination under emergency conditions, but also providing illumination under normal conditions, and even if a human body is not kept in an illumination area, the illumination system still cannot be closed, thereby bringing convenience to users.
Description
Technical Field
The invention relates to the technical field of fire safety, in particular to a fire-fighting intelligent evacuation indication system and an operation method.
Background
Along with the rapid development of the current society and economy, modern urban buildings show the trend of high rise, large size and complexity, and building functions are more and more, and structures are more and more complicated, so how to escape and avoid danger more safely, more accurately and more rapidly in complex environments and personnel-intensive places when a fire disaster occurs becomes a problem to be solved, and cases of loss are frequently and frequently caused due to untimely personnel evacuation when the fire disaster occurs at home and abroad.
The fire evacuation indication system is a guarantee of public place safety emergency, is mandatory for public fire protection, and can guide people to evacuate safely when a fire disaster occurs, so that a large number of trapped people can evacuate safely and rapidly from the fire scene, and as much lives can be saved and losses can be reduced as possible; in the prior art, a fire evacuation indication system generally adopts a controller as a technical core, the controller becomes power for pushing a digital process, and the performance requirement is higher as the control system is more and more complex; in the running process of the controller, other external components and software can be failed, so that the controller loses control and protection functions, and the whole control system is paralyzed when serious, so that great economic loss is caused; the traditional controller fault protection mode is long in time consumption, cannot find faults in time and process faults in time, and has no universality; in addition, when the fire disaster is serious, the controller can be powered off, and the fire evacuation indicating system in the prior art cannot play a role in indicating and can cause immeasurable loss.
Disclosure of Invention
The invention aims to provide a fire-fighting intelligent evacuation indication system and an operation method, which discover that a controller is abnormal through an added fault detection device, and can repair the controller in time, so as to avoid causing larger loss and solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the intelligent fire evacuation indication system comprises a sensing module, wherein the sensing module comprises a light intensity sensor, the sensing module is electrically connected with a controller, the controller is respectively electrically connected with a standby power supply and a fault detection device, the fault detection device is respectively electrically connected with a lighting system, a warning lamp, an alarm and an indication device, the lighting system comprises a lighting lamp, the lighting lamp is electrically connected with an infrared probe, and the infrared probe is electrically connected with a ranging probe; the fault detection device comprises a driving circuit, a detection circuit, a switching circuit, a delay action unit and a signal generation circuit, wherein the driving circuit is sequentially and electrically connected with the detection circuit, the switching circuit, the delay action unit and the signal generation circuit, the signal generation circuit comprises a delay relay, the delay relay comprises a first delay relay and a second delay relay which are connected in parallel, and the delay relay is respectively and electrically connected with the first relay, the second relay, the third relay and the fourth relay.
Preferably, the sensing module comprises a smoke sensor and a temperature sensor.
Preferably, the standby power supply comprises a first standby power supply and a second standby power supply, and a conversion circuit is arranged between the first standby power supply and the second standby power supply.
Preferably, the indicating device comprises an indicating lamp and a display screen.
Preferably, the distance measuring probe has a plurality of distance measuring probes, and the distance measuring probes are respectively installed at a plurality of entrances and exits of the illumination area.
Preferably, the infrared probes are respectively arranged at the top of the illumination area.
Preferably, the lighting lamp is an LED lamp.
Preferably, the controller is electrically connected with the wireless communication device.
The invention provides another technical scheme that: a method of operating a fire intelligent evacuation indication system, comprising the steps of:
s1: the light intensity sensor is used for testing the brightness of the illumination area and sending a signal to the controller;
s2: the controller compares the detected brightness with preset brightness, and when the detected brightness is lower than a preset value, the controller controls the lighting system to be turned on;
s3: detecting smoke and temperature signals in the area in real time by a smoke sensor and a temperature sensor, sending the signals to a controller, and controlling the warning lamp, the alarm and the indicating device to send out signals when the detected smoke and temperature signal values are higher than preset values by the controller;
s4: when the fire disaster is serious and the power failure occurs, a person manually turns on a standby power supply to supply power for the controller, so that the whole fire-fighting intelligent evacuation indication system operates normally;
s5: the controller is monitored in real time through the fault detection device, diagnosis is carried out on the diagnosis signal which is normally a pulse train signal, the abnormality of the diagnosis signal can be timely protected, and when the controller fails, the fault detection device is used for triggering the actions of a tripping circuit of the lighting system, a tripping circuit of the warning lamp, a tripping circuit of the alarm and a tripping circuit of the indicating device, so that the functional safety of the lighting system, the warning lamp, the alarm and the indicating device is realized.
Compared with the prior art, the invention has the beneficial effects that:
according to the fire-fighting intelligent evacuation indication system and the operation method, the controller is found to be abnormal through the added fault detection device, so that the controller can be maintained in time, and larger loss is avoided; in the invention, a standby power supply is added to prevent the situation of no electricity availability in emergency; in addition, the invention adopts the lighting system, not only can provide lighting in emergency, but also can provide lighting in normal condition, even if the human body is kept still in the lighting area, the lighting system still can not be closed, thereby bringing convenience to users.
Drawings
FIG. 1 is a block diagram of a system architecture of the present invention;
FIG. 2 is a circuit configuration block diagram of the fault detection device of the present invention;
in the figure: 1. a sensing module; 2. a smoke sensor; 3. a temperature sensor; 4. a light intensity sensor; 5. a controller; 6. a fault detection device; 7. a first backup power supply; 8. a second backup power supply; 9. a lighting system; 10. a warning light; 11. an alarm; 12. an indication device; 13. an indicator light; 14. a display screen; 15. a driving circuit; 16. a detection circuit; 17. a switching circuit; 18. a delay action unit; 19. a signal generating circuit; 20. a first delay relay; 21. a second delay relay; 22. a first relay; 23. a second relay; 24. a third relay; 25. a fourth relay; 26. a wireless communication device.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, an embodiment of the present invention provides a fire-fighting intelligent evacuation indication system, which includes a sensing module 1, wherein the sensing module 1 includes a smoke sensor 2, a temperature sensor 3, and a light intensity sensor 4; the light intensity sensor 4 is used for testing the brightness of an illumination area, and through double measurement of the smoke sensor 2 and the temperature sensor 3, whether fire disaster occurs can be tested more accurately, and the possibility of false alarm is reduced.
The sensing module 1 in this embodiment is electrically connected to the controller 5, the controller 5 adopts a PLC controller, the controller 5 is electrically connected to the standby power supply and the fault detection device 6, and the standby power supply also charges the standby power supply under the condition of supplying power to the controller 5, where the standby power supply includes a first standby power supply 7 and a second standby power supply 8, a conversion circuit is disposed between the first standby power supply 7 and the second standby power supply 8, and under normal conditions, standby power is provided to the controller 5 through one of the output ports, that is, the output port of the first standby power supply 7 or the output port of the second standby power supply 8; when one of the standby power supplies is powered off, the standby power supply is converted through the conversion circuit, the power-off standby power supply output port is closed, and the power-on standby power supply output port is opened.
The fault detection device 6 in the embodiment is electrically connected with the lighting system 9, the warning lamp 10, the alarm 11 and the indicating device 12 respectively; when a fire disaster occurs, the controller 5 controls the alarm 11 to give an alarm to prompt personnel to evacuate according to evacuation instructions; the indicating device 12 comprises an indicating lamp 13 and a display screen 14; the display screen 14 is used for displaying evacuation direction, the indicator light 13 is used for displaying whether the indicating device 12 works normally, and in the embodiment of the invention, the indicating device 12 is arranged in each channel, so that the safety is further improved.
The lighting system 9 in this embodiment is used to provide lighting for the user, not only in emergency situations, but also in normal situations, when the channel is dark, the light intensity sensor 4 transmits a signal to the controller 5, and the controller 5 controls the lighting system 9 to be turned on, so as to provide lighting for the user; the illumination system 9 comprises an illumination lamp, the illumination lamp is electrically connected with an infrared probe, the infrared probe is arranged at the top of an illumination area, the infrared probe is electrically connected with a ranging probe arranged at an entrance and an exit of the illumination area, and the ranging probe is an infrared ranging probe; according to the embodiment of the invention, the infrared probes are activated by the cooperation of the distance measuring probes and the infrared probes, the infrared probes sense the illumination area and perform switch lamp operation, and before the next time the distance measuring probes activate the infrared probes, even if a human body keeps still in the illumination area, the infrared illumination system still cannot be closed, and the distance measuring probes adopt the infrared probes.
Referring to fig. 2, in the above embodiment, the fault detection device 6 of the present invention includes a driving circuit 15, a detection circuit 16, a switch circuit 17, a delay action unit 18, and a signal generation circuit 19, where the driving circuit 15 is electrically connected to the detection circuit 16, the switch circuit 17, the delay action unit 18, and the signal generation circuit 19 in sequence; the signal generating circuit 19 includes a delay relay and a relay; the controller 5 outputs one as a diagnosis signal while performing a control task, the fault detection burst signal device detects the diagnosis signal, determines a high level duration of the diagnosis signal or a low level duration of the diagnosis signal, and generates a fault protection signal when it is determined that the high level duration of the diagnosis signal is greater than the high level duration T1 of the burst signal or the low level duration of the diagnosis signal is greater than the low level duration T2 of the burst signal; by comparing the high level duration of the diagnostic signal with T1 and the low level duration of the diagnostic signal with T2, if the high level duration of the diagnostic signal is greater than Tl or the low level duration is greater than T2, it is indicated that the diagnostic signal is no longer a pulse train signal, and thus it can be determined that the diagnostic signal is abnormal to generate the fail-safe signal.
In the above embodiment, the driving circuit converts the input pulse train signal into the on-off signal of the switching unit, the on-off of the switching unit is controlled by the level of the pulse train signal, the on-time of the switching unit is controlled by the high-level duration T1 or the low-level duration T2 of the pulse train signal, and the delay action unit 18 acts when the on-time of the switching unit reaches the preset first delay time T1', where T1' > Tl; the signal generating circuit generates a fault protection signal when detecting that the delay action unit acts; the delay relay comprises a first delay relay 20 and a second delay relay 21 which are connected in parallel; the first delay relay 20 and the second delay relay 21 are both normally open contacts, so that a fault protection signal can be generated when the delay action unit 18 is operated.
In the above embodiment, the signal generating circuit 19 further includes the first relay 22, the second relay 23, the third relay 24 and the fourth relay 25 connected to the delay relay, and the contacts of the first relay 22, the second relay 23, the third relay 24 and the fourth relay 25 may be provided to an external circuit, the contacts of the first relay 22 are connected to the trip circuit of the lighting system 9, the contacts of the second relay 23 are connected to the trip circuit of the warning lamp 10, the contacts of the third relay 24 are connected to the trip circuit of the alarm 11, and the contacts of the fourth relay 25 are connected to the trip circuit of the indicating device 12, so as to trigger the actions of the trip circuit of the lighting system 9, the trip circuit of the warning lamp 10, the trip circuit of the alarm 11 and the trip circuit of the indicating device 12, and realize the functional safety of the lighting system 9, the warning lamp 10, the alarm 11 and the indicating device 12.
In addition, the controller 5 in the embodiment of the invention is also electrically connected with the wireless communication device 26, the wireless communication device 26 can be electronic equipment such as a mobile phone, a computer and the like, and when a fire signal occurs, the controller 5 sends the signal to the wireless communication device 26, so that people can conveniently and timely process emergency situations, and casualties and loss are avoided.
For a further better explanation of embodiments of the present invention. The operation method of the intelligent fire evacuation indication system comprises the following steps:
step 1: under the normal working condition, the light intensity sensor 4 tests the brightness of the illumination area and sends a signal to the controller 5;
step 2: the controller 5 compares the detected brightness with preset brightness, when the detected brightness is lower than a preset value, the controller 5 controls the lighting system 9 to be turned on, when a person passes through an entrance of a lighting area, the ranging probe is triggered, the ranging probe sends a signal to the infrared probe, the infrared probe is activated, after the person enters the area of the infrared probe, the lighting lamp is turned on, meanwhile, the infrared probe enters dormancy, even if the person is still always on in a room, the ranging probe of the lighting area is touched again after the person leaves, the ranging probe activates the infrared probe, the infrared probe scans the lighting area, no human body information is generated, a lamp turning-off instruction is sent, the lamp is turned off after a period of delay, and the delay time can be set as required and is generally set to 30-50 seconds;
step 3: the smoke sensor 2 and the temperature sensor 3 detect smoke and temperature signals in the area in real time and send the signals to the controller 5, when the detected smoke and temperature signal values are higher than preset values, the controller 5 controls the warning lamp 10, the alarm 11 and the indicating device 12 to send out signals, the warning lamp 10 sends out flash light, the alarm 11 sends out alarm sound to prompt a user to generate fire, timely evacuation is performed, the indicating device 12 displays evacuation direction, the indicating device 12 is also provided with the indicating lamp 13 for displaying whether the working state of the indicating device 12 is normal or not, and maintenance personnel can maintain the indicating device 12 in time conveniently;
step 4: when the fire disaster is serious and the power failure occurs, a person manually turns on a standby power supply to supply power for the controller 5, so that the whole fire-fighting intelligent evacuation indication system operates normally;
step 5: the controller 5 is monitored in real time through the fault detection device 6, the diagnosis signal which is normally a pulse train signal is diagnosed, the abnormality of the diagnosis signal can be timely protected, and when the controller 5 fails, the operation of the tripping circuit of the lighting system 9, the tripping circuit of the warning lamp 10, the tripping circuit of the alarm 11 and the tripping circuit of the indicating device 12 is triggered, so that the functional safety of the lighting system 9, the warning lamp 10, the alarm 11 and the indicating device 12 is realized.
To sum up: according to the intelligent evacuation indication system for fire control and the operation method thereof, provided by the invention, the controller 5 is found to be abnormal through the added fault detection device 6, so that the controller 5 can be maintained in time, larger loss is avoided, and the standby power supply is added, so that the situation of no electricity availability is prevented in the emergency situation; in addition, the illumination system 9 is adopted, so that illumination can be provided not only in emergency situations, but also in normal situations, even if a human body is kept still in an illumination area, the illumination system is still not closed, and convenience is brought to users.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should be covered by the protection scope of the present invention by making equivalents and modifications to the technical solution and the inventive concept thereof.
Claims (9)
1. The intelligent fire evacuation indication system is characterized by comprising a sensing module (1), wherein the sensing module (1) comprises a light intensity sensor (4), the sensing module (1) is electrically connected with a controller (5), the controller (5) is respectively electrically connected with a standby power supply and a fault detection device (6), the fault detection device (6) is respectively electrically connected with a lighting system (9), a warning lamp (10), an alarm (11) and an indication device (12), the lighting system (9) comprises a lighting lamp, the lighting lamp is electrically connected with an infrared probe, and the infrared probe is electrically connected with a ranging probe; the fault detection device (6) comprises a driving circuit (15), a detection circuit (16), a switch circuit (17), a delay action unit (18) and a signal generation circuit (19), wherein the driving circuit (15) is sequentially and electrically connected with the detection circuit (16), the switch circuit (17), the delay action unit (18) and the signal generation circuit (19), the signal generation circuit (19) comprises a delay relay, the delay relay comprises a first delay relay (20) and a second delay relay (21) which are connected in parallel, and the delay relay is respectively and electrically connected with the first relay (22), the second relay (23), a third relay (24) and a fourth relay (25).
2. A fire-fighting intelligent evacuation indication system according to claim 1, wherein: the sensing module (1) comprises a smoke sensor (2) and a temperature sensor (3).
3. A fire-fighting intelligent evacuation indication system according to claim 1, wherein: the standby power supply comprises a first standby power supply (7) and a second standby power supply (8), and a conversion circuit is arranged between the first standby power supply (7) and the second standby power supply (8).
4. A fire-fighting intelligent evacuation indication system according to claim 1, wherein: the indicating device (12) comprises an indicating lamp (13) and a display screen (14).
5. A fire-fighting intelligent evacuation indication system according to claim 1, wherein: the distance measuring probes are arranged at a plurality of inlets and outlets of the illumination area respectively.
6. A fire-fighting intelligent evacuation indication system according to claim 1, wherein: the infrared probes are respectively arranged at the top of the illumination area.
7. A fire-fighting intelligent evacuation indication system according to claim 1, wherein: the lighting lamp is an LED lamp.
8. A fire-fighting intelligent evacuation indication system according to claim 1, wherein: the controller (5) is electrically connected with the wireless communication device (26).
9. A method of operating a fire intelligent evacuation indication system as claimed in claim 1, comprising the steps of:
s1: the light intensity sensor (4) is used for testing the brightness of the illumination area and sending a signal to the controller (5);
s2: the controller (5) compares the detected brightness with preset brightness, and when the detected brightness is lower than a preset value, the controller (5) controls the lighting system (9) to be turned on;
s3: the smoke sensor (2) and the temperature sensor (3) detect smoke and temperature signals in the area in real time and send the signals to the controller (5), and when the detected smoke and temperature signal values are higher than preset values, the controller (5) controls the warning lamp (10), the alarm (11) and the indicating device (12) to send out signals;
s4: when the fire disaster is serious and the power failure occurs, a person manually turns on a standby power supply to supply power for the controller (5), so that the whole fire-fighting intelligent evacuation indication system operates normally;
s5: the controller (5) is monitored in real time through the fault detection device (6), the diagnosis signal which is normally a pulse train signal is diagnosed, the abnormality of the diagnosis signal can be timely protected, and when the controller (5) fails, the operation of the tripping circuit of the lighting system (9), the tripping circuit of the warning lamp (10), the tripping circuit of the alarm (11) and the tripping circuit of the indicating device (12) is triggered, so that the functional safety of the lighting system (9), the warning lamp (10), the alarm (11) and the indicating device (12) is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311201255.XA CN117316071A (en) | 2023-09-18 | 2023-09-18 | Fire-fighting intelligent evacuation indication system and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311201255.XA CN117316071A (en) | 2023-09-18 | 2023-09-18 | Fire-fighting intelligent evacuation indication system and operation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117316071A true CN117316071A (en) | 2023-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311201255.XA Pending CN117316071A (en) | 2023-09-18 | 2023-09-18 | Fire-fighting intelligent evacuation indication system and operation method |
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| Country | Link |
|---|---|
| CN (1) | CN117316071A (en) |
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2023
- 2023-09-18 CN CN202311201255.XA patent/CN117316071A/en active Pending
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