CN212990279U - Automatic fire alarm and disaster level monitoring device - Google Patents
Automatic fire alarm and disaster level monitoring device Download PDFInfo
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- CN212990279U CN212990279U CN202022070560.8U CN202022070560U CN212990279U CN 212990279 U CN212990279 U CN 212990279U CN 202022070560 U CN202022070560 U CN 202022070560U CN 212990279 U CN212990279 U CN 212990279U
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Abstract
The application relates to a fire automatic alarm and disaster grade monitoring device, which comprises a fire alarm and a disaster grade prompter; the disaster situation grade prompting device is used for prompting disaster situation grades in a staff building outside the building in real time, the fire alarm is coupled with a disaster situation grade detection circuit for controlling the disaster situation grade prompting device to send out disaster situation grade warning signals, and the disaster situation grade detection circuit comprises: the disaster warning system comprises a first-level disaster warning module and a second-level disaster warning module, wherein the disaster of the second-level state is more serious than that of the first-level state. This application has when the intensity of a fire enlarges, and second grade disaster alarm module sends second grade warning signal and takes place the disaster level as the second grade with the fire control corridor in the staff outside the warning building this moment, has made things convenient for the staff outside the building to judge the disaster level of fire control corridor, and the staff can in time make the effect of suitable rescue measures of putting out a fire.
Description
Technical Field
The application relates to the technical field of fire alarm equipment, in particular to an automatic fire alarm and disaster level monitoring device.
Background
The automatic fire alarm comprises detection components and parts and a fire alarm control unit, wherein in the initial stage of a fire, the detection components and parts such as smoke sensing, temperature sensing and light sensing convert physical quantities such as smoke, heat and light radiation generated by combustion into electric signals and transmit the electric signals to the fire alarm control unit, and the fire alarm control unit receives the electric signals and sends out alarm signals to warn fire scene personnel to extinguish and escape in time.
The automatic fire alarm is usually installed on the ceiling of a fire fighting access when being installed in a building, and when a fire disaster happens, the automatic fire alarm sends out a warning signal to warn people in the building to put out a fire or escape from a fire scene, and people outside the fire scene generally observe the help of the people in the fire scene to rescue and put out the fire.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: when a fire disaster occurs in a building, the automatic fire alarm is not easy to monitor the fire intensity and feed back the fire intensity to personnel outside the fire scene, and the personnel outside the fire scene cannot timely make appropriate rescue measures according to the disaster level.
SUMMERY OF THE UTILITY MODEL
In order to timely monitor and analyze a fire scene and feed back disaster level and facilitate personnel outside the fire scene to timely make appropriate rescue measures, the application provides an automatic fire alarm and disaster level monitoring device.
The application provides a conflagration autoalarm and disaster situation grade monitoring device adopts following technical scheme:
a fire automatic alarm and disaster level monitoring device comprises a fire alarm arranged at the ceiling of a fire passageway of a building and a disaster level prompter arranged outside the building; disaster level prompting device is used for the disaster level in the staff's building outside real-time suggestion building, fire alarm ware coupling control disaster level prompting device sends disaster level warning signal's disaster level detection circuitry, disaster level detection circuitry includes:
the first-level disaster warning module is used for sending a first-level warning signal to workers outside the building to warn the workers that the disaster in the building is in a first-level state;
the second-stage disaster warning module is used for sending a second-stage warning signal to workers outside the building to warn the workers that the disaster in the building is in a second-stage state;
the second-level state is more serious than the first-level state.
By adopting the technical scheme, when fire occurs in the fire-fighting corridor in the building, the fire alarm installed in the fire-fighting corridor detects the disaster, the first-level disaster alarm module sends out a first-level alarm signal at the moment, workers outside the building know that the fire occurs in the fire-fighting corridor in the building at the moment through the disaster level prompter, the disaster level is first, and the workers can make corresponding fire-fighting rescue measures according to the level of the fire at the moment; when the intensity of a fire enlarges, the second grade disaster warning module sends out the second grade warning signal and takes place the disaster level as the second grade with the fire control corridor in warning the outside staff of building this moment, and the staff increases the measure of putting out a fire and rescue preparation according to the expansion of the intensity of a fire this moment, has made things convenient for the outside staff of building to judge the disaster level of fire control corridor, and the staff can in time make suitable rescue measures of putting out a fire.
Optionally, the first-level disaster alarm module includes: the smoke sensor is arranged on the fire alarm and used for detecting the smoke concentration in the fire fighting channel and outputting a smoke concentration detection signal;
a smoke concentration comparison unit coupled to the smoke concentration sensor and preset with a threshold signal Vref1 to output a smoke concentration comparison signal when the smoke concentration detection signal is greater than the threshold signal Vref 1;
the first switch unit is coupled to the smoke concentration comparison unit and outputs a switch signal when receiving the smoke concentration comparison signal;
and the first-level warning unit is arranged on the disaster level prompter and is coupled with the first switch unit so as to send a first-level warning signal to warn personnel outside the building that the personnel outside the building are in a first-level disaster state in the building when receiving the switch signal.
By adopting the technical scheme, the smoke sensor detects the smoke concentration in the fire fighting corridor in real time and sends out a detection signal, when a fire disaster occurs in the fire fighting corridor and the fire disaster is in an initial stage, and the smoke concentration detection signal is greater than a threshold signal Vref1, the smoke concentration comparison unit outputs a smoke concentration comparison signal to the first switch unit, the first switch unit receives the smoke concentration comparison signal and sends out a switch signal to control the first-stage warning unit to send out a first-stage warning signal, a worker knows that the fire disaster occurs in the fire fighting corridor at the moment and the fire disaster level is first stage through the fire disaster level prompter, and the worker outside the building can conveniently make proper fire extinguishing rescue measures according to the fire disaster level;
when the detection signal is smaller than the threshold signal Vref1, the smoke concentration comparison unit sends out a low-frequency signal, and the primary alarm unit is not powered.
Optionally, the second-level disaster alarm module includes: the temperature sensor is arranged on the fire alarm and used for detecting the temperature of the fire alarm and outputting a temperature detection signal;
a temperature comparison unit coupled to the temperature sensor and preset with a threshold signal Vref2 to output a temperature comparison signal when the temperature detection signal is greater than the threshold signal Vref 2;
the logic judgment unit is respectively coupled with the temperature comparison unit and the smoke concentration comparison unit so as to respond to the temperature comparison signal and the smoke concentration comparison signal and output a logic judgment signal;
the second switch unit is coupled with the logic judgment unit to output a switch signal when receiving the logic judgment signal;
and the second-level warning unit is arranged on the disaster level prompter and is coupled with the second switch unit so as to send out a second-level warning signal when receiving the switch signal to warn personnel outside the building that the building is in a second-level disaster state.
By adopting the technical scheme, the temperature sensor detects the temperature of the fire alarm in real time, when the fire in the fire fighting corridor is enlarged, the heat generated by flame and the smoke concentration are increased, when a temperature detection signal sent by a temperature sensor is greater than a threshold signal Vref2, a temperature comparison unit sends a temperature comparison signal to a logic judgment unit, the logic judgment unit simultaneously sends a corresponding temperature comparison signal and a smoke concentration comparison signal and sends a logic judgment signal to a second switch unit, the second switch unit receives the logic judgment signal and sends a switch signal to enable a second-level warning unit to send a second-level warning signal, and personnel outside the building know that the disaster of the fire fighting channel is in a second-level disaster state through a disaster level prompter, so that the personnel outside the building can further increase the fire fighting strength and inform rescue according to the second-level disaster level.
Optionally, the smoke concentration comparing unit includes a first comparator N1, a first signal input terminal of the first comparator N1 is coupled to the smoke sensor, a second signal input terminal of the first comparator N1 is connected to a threshold signal Vref1, and a signal output terminal of the first comparator N1 is coupled to the first switch unit after being connected in series with the first resistor R1.
By adopting the technical scheme, the first comparator N1 compares the smoke concentration detection signal of the first input end with the threshold signal Vref1 of the second input end and outputs a smoke concentration comparison signal so as to compare the concentration of smoke in the fire fighting corridor in real time; when the smoke concentration detection signal is greater than the threshold signal Vref1, the first comparator N1 outputs a smoke concentration comparison signal to the first switch unit, so that the first switch unit sends a switch signal in time to control the primary warning unit to send the primary warning signal, and sends the switch signal to the logic judgment unit.
Optionally, the first switching unit includes a first transistor Q1, a base of the first transistor Q1 is coupled to a signal output terminal of the first comparator N1, a collector of the first transistor Q1 is coupled to the power voltage VCC, and an emitter of the first transistor Q1 is grounded.
By adopting the technical scheme, when the first triode Q1 receives a high-frequency signal sent by the first comparator N1, the first triode Q1 outputs a switching signal to the first-stage warning unit when the low-frequency signal is converted into the high-frequency signal, and the first-stage warning unit receives the switching signal and sends a first-stage warning signal; when the first triode Q1 receives the low-frequency signal sent by the first comparator N1, the low-frequency state is maintained and no switching signal is sent, the primary warning unit is not powered on, and the function of controlling the primary warning unit to send the primary warning signal is realized.
Optionally, the temperature comparing unit includes a second comparator N2, a first signal input terminal of the second comparator N2 is coupled to the temperature sensor, a second signal input terminal of the second comparator N2 is connected to a threshold signal Vref2, and a signal output terminal of the second comparator N2 is coupled to the logic determining unit.
By adopting the technical scheme, the second comparator N2 compares the temperature detection signal of the first input end with the threshold signal Vref2 of the second input end and outputs a temperature comparison signal so as to compare the temperature of the fire alarm in real time; when the temperature detection signal is greater than the threshold signal Vref2, the second comparator N2 outputs a temperature comparison signal to the logic determination unit, so that the logic determination unit performs logic determination and controls the secondary alarm unit.
Optionally, the logic determining unit includes a logic and gate, a first input terminal of the logic and gate is coupled to the signal output terminal of the first comparator N1, a second input terminal of the logic and gate is coupled to the signal output terminal of the second comparator N2 after being connected in series with the second resistor R2, and a signal output terminal of the logic and gate is coupled to the second switch unit after being connected in series with the second resistor R2.
By adopting the technical scheme, when the logic AND gate simultaneously responds to the smoke concentration comparison signal and the temperature comparison signal, the signal output end of the logic AND gate outputs the logic judgment signal to the second switch unit, and the second switch unit receives the switch signal to control the secondary warning unit to send the secondary warning signal.
When only the first input end of the logic AND gate receives the smoke concentration comparison signal, or only the second input end of the logic AND gate receives the smoke concentration comparison signal, or both the first input end and the second input end are connected with the low-frequency signal; the output end of the logic AND gate outputs a low-frequency signal to the second switch unit, the second switch unit does not send out a switch signal, and the secondary warning unit does not send out a secondary warning signal.
Optionally, the second switching unit includes a second transistor Q2, a base of the second transistor Q2 is coupled to the signal output end of the logic and gate, a collector of the second transistor Q2 is coupled to the power voltage VCC, and an emitter of the second transistor Q2 is grounded.
By adopting the technical scheme, when the second triode Q2 receives a high-frequency signal sent by the logic AND gate, the low-frequency signal is converted into a high-frequency signal and a switching signal is output to the secondary warning unit, and the secondary warning unit receives the switching signal and sends a secondary warning signal; when the second triode Q2 receives the low-frequency signal sent by the logic AND gate, the low-frequency state is maintained, the switch signal is not sent, the secondary warning unit is not powered, and the function of controlling the secondary warning unit to send the secondary warning signal is realized.
Optionally, the ceiling is fixed with a fire hose, and the fire hose is installed with a spray assembly and a solenoid valve, the spray assembly is located below the fire alarm, and the solenoid valve is coupled to the second switch unit to be opened when receiving the switch signal.
Through adopting above-mentioned technical scheme, when the intensity of a fire enlarges, second switch unit sends switch signal control solenoid valve and opens, and the water of fire control pipe is sprayed and is put out a fire by spraying the subassembly for the intensity of a fire is difficult further to enlarge, sprays the below that the subassembly is located fire alarm ware, makes the incombustible bad fire alarm ware of flame, increases fire alarm ware's life.
Optionally, the spraying assembly includes rotary joint, the section of intaking and sprays the section, rotary joint is fixed and communicates with the fire control pipe, the section of intaking is fixed and communicates with rotary joint, and the section of intaking rotates around rotary joint's axis, the section of spraying distributes and sprays the one end of section and the lateral wall intercommunication of the section of intaking around the axis of the section of intaking, it is out water side and rotation side respectively to spray the section along its length direction's both sides, it has a plurality of outlet pipes to spray the section fixed and intercommunication, and the one end and the play water side of outlet pipe are fixed and communicate.
Through adopting above-mentioned technical scheme, the water of fire control pipe enters into the section of intaking through rotary joint, enter into by the section of intaking again and spray the section, the water that sprays in the section is kept away from the port blowout of spraying section one end by the outlet pipe, because the outlet pipe all is located the play water side of spraying the section, when outlet pipe blowout water, because the section of intaking rotates with rotary joint to be connected, the section of intaking rotates because recoil phenomenon is around rotary joint's axis with spraying the section, the coverage area of spun water to the combustion area has been increased, spray assembly's fire extinguishing effect is better.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the fire is expanded, the second-level disaster alarm module sends a second-level alarm signal to warn workers outside the building that the disaster level of the fire passageway in the building is second level, and the workers increase the fire extinguishing measures and rescue preparations according to the expansion of the fire, so that the workers outside the building can conveniently judge the disaster level of the fire passageway, and can timely make proper fire extinguishing rescue measures;
2. the first switch unit receives the smoke concentration comparison signal and sends a switch signal to control the first-level warning unit to send a first-level warning signal, and workers know that the fire in the fire passageway occurs at the moment and the fire level is first level through the fire level prompter, so that the workers outside the building can conveniently make proper fire extinguishing rescue measures according to the fire level;
3. when the outlet pipe blowout water, because the section of intaking is connected with rotary joint rotates, the section of intaking rotates around rotary joint's axis with the section of spraying because the recoil phenomenon, has increased the coverage area of spun water to the combustion area, and the fire extinguishing effect of spraying the subassembly is better.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is an enlarged view of A in FIG. 1;
fig. 3 is a circuit diagram of the disaster level detection circuit in the present embodiment.
Description of reference numerals: 1. a ceiling; 2. a fire alarm; 3. a fire hose; 4. a spray assembly; 41. a rotary joint; 42. a water inlet section; 43. a spraying section; 431. a water outlet side; 432. a rotating side; 44. a water outlet pipe; 5. a smoke sensor; 6. a smoke concentration comparison unit; 7. a first switch unit; 8. a primary warning unit; 9. a temperature sensor; 10. a temperature comparison unit; 11. a logic judgment unit; 12. a second switching unit; 13. a secondary warning unit; 14. an electromagnetic valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-3 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Outside the building, a working person duty room (not shown in the figure) is usually provided, and the working person in the duty room is responsible for managing daily situations and emergency situations inside the building.
The embodiment of the application discloses automatic fire alarm and disaster level monitoring device. Referring to fig. 1, the automatic fire alarm and disaster level monitoring apparatus includes a fire alarm 2 and a disaster level prompter (not shown in the figure), the fire alarm 2 is installed at a ceiling 1 of a fire passageway of a building, and the disaster level prompter is installed in a duty room of a worker outside the building.
Referring to fig. 1 and 2, 1 department of ceiling of fire control passageway is fixed with fire control pipe 3, spray assembly 4 is installed to fire control pipe 3, spray assembly 4 is located fire alarm 2's below, spray assembly 4 includes rotary joint 41, water inlet section 42 and three spraying section 43, water inlet section 42 and spraying section 43 are cylindrical and cavity setting, rotary joint 41 vertical setting and rotary joint 41's one end is fixed and the intercommunication with fire control pipe 3, water inlet section 42 is fixed and the intercommunication with the one end that rotary joint 41 kept away from fire control pipe 3, water inlet section 42 rotates around rotary joint 41's axis, three spraying section 43 all winds water inlet section 42's axis evenly distributed and sprays the one end of section 43 and the lateral wall of water inlet section 42 is fixed and the intercommunication.
The spraying section 43 comprises a water outlet side 431 and a rotating side 432 along the length direction, three water outlet pipes 44 are fixed on the water outlet side 431, one end of each water outlet pipe 44 is fixed and communicated with the spraying section 43, and one end of each water outlet pipe 44, which is far away from the spraying section 43, is opened and the opening direction is inclined downwards.
Referring to fig. 3, a solenoid valve 14 is installed on a fire fighting pipe 3, the solenoid valve 14 is coupled to a fire alarm 2, the fire alarm 2 is coupled to a disaster level detection circuit which controls a disaster level prompter to send out a disaster level warning signal and controls the solenoid valve 14 to open and close, and the disaster level detection circuit comprises a first-level disaster alarm module and a second-level disaster alarm module;
the first-level disaster warning module is used for sending a first-level warning signal to workers outside the building to warn the workers that the disaster in the building is in a first-level state; the first-level disaster alarm module comprises a smoke sensor 5, a smoke concentration comparison unit 6, a first switch unit 7 and a first-level warning unit 8.
The second-stage disaster warning module is used for sending a second-stage warning signal to workers outside the building to warn the workers that the disaster in the building is in a second-stage state; the second-level disaster alarm module comprises a temperature sensor 9, a temperature comparison unit 10, a logic judgment unit 11, a second switch unit 12 and a second-level warning unit 13.
The second-level state is more serious than the first-level state.
The first-level disaster alarm module comprises: and the smoke sensor 5 is arranged on the fire alarm 2 and used for detecting the smoke concentration in the fire fighting channel and outputting a smoke concentration detection signal.
The smoke concentration comparison unit 6 is coupled to the smoke concentration sensor and preset with a threshold signal Vref1 to output a smoke concentration comparison signal when the smoke concentration detection signal is greater than the threshold signal Vref 1; the smoke concentration comparing unit 6 includes a first comparator N1, a first signal input terminal of the first comparator N1 is coupled to the smoke sensor 5, a second signal input terminal of the first comparator N1 is connected to a threshold signal Vref1, and a signal output terminal of the first comparator N1 is coupled to the first switch unit 7 after being connected in series with the first resistor R1.
The first switch unit 7 is coupled to the smoke concentration comparison unit 6 to output a switch signal when receiving the smoke concentration comparison signal; the first switching unit 7 includes a first transistor Q1, a base of the first transistor Q1 is coupled to the signal output terminal of the first comparator N1, a collector of the first transistor Q1 is coupled to the power voltage VCC, and an emitter of the first transistor Q1 is grounded.
The first-level warning unit 8 is arranged on the disaster level prompter and is coupled with the first switch unit 7 so as to send out a first-level warning signal when receiving the switch signal to warn personnel outside the building that the building is in a first-level disaster state; the first-level warning unit 8 comprises a first-level warning lamp L1 and a buzzer H1 which are installed on the disaster level prompter, the buzzer H1 is coupled with an emitting electrode of a first triode Q1, and the first-level warning lamp L1 is connected with the buzzer H1 in series and then grounded; when the primary alarm unit 8 receives the switch signal, the primary alarm lamp L1 sends an orange alarm signal and the buzzer sends a sound alarm signal.
The second grade disaster alarm module includes: a temperature sensor 9 mounted on the fire alarm 2 for detecting the temperature of the fire alarm 2 and outputting a temperature detection signal
The temperature comparing unit 10 is coupled to the temperature sensor 9 and preset with a threshold signal Vref2 to output a temperature comparing signal when the temperature detecting signal is greater than the threshold signal Vref 2; the temperature comparing unit 10 includes a second comparator N2, a first signal input terminal of the second comparator N2 is coupled to the temperature sensor 9, a second signal input terminal of the second comparator N2 is connected to a threshold signal Vref2, and a signal output terminal of the second comparator N2 is coupled to the logic determining unit 11.
The logic judgment unit 11 is respectively coupled to the temperature comparison unit 10 and the smoke concentration comparison unit 6 to respond to the temperature comparison signal and the smoke concentration comparison signal and output a logic judgment signal; the logic determining unit 11 includes a logic and gate, a first input terminal of the logic and gate is coupled to the signal output terminal of the first comparator N1, a second input terminal of the logic and gate is coupled to the signal output terminal of the second comparator N2, and a signal output terminal of the logic and gate is coupled to the second switch unit 12 after being connected in series with the second resistor R2.
A second switching unit 12 coupled to the logic judgment unit 11 to output a switching signal when receiving the logic judgment signal; the second switching unit 12 includes a second transistor Q2, a base of the second transistor Q2 is coupled to the signal output terminal of the logic and gate, a collector of the second transistor Q2 is coupled to the power voltage VCC, and an emitter of the second transistor Q2 is grounded.
The second-level warning unit 13 is installed on the disaster level prompter and is coupled to the second switch unit 12 so as to send out a second-level warning signal when receiving the switch signal to warn personnel outside the building that the building is in a second-level disaster state; the secondary warning unit 13 comprises a secondary warning lamp L2 installed on the disaster level prompter, and an emitter of a first triode Q1 of the secondary warning lamp L2 is connected in series and then grounded.
The solenoid valve 14 is coupled to the second-stage warning light L2 and then grounded.
The implementation principle of the automatic fire alarm and disaster level monitoring device in the embodiment of the application is as follows: the smoke sensor 5 and the temperature sensor 9 which are installed on the fire alarm 2 respectively detect the smoke concentration of a fire passageway and the temperature of the fire alarm 2 in real time, when the fire passageway is in a fire disaster and the fire disaster is in an initial stage, a large amount of smoke is generated, the temperature detected by the temperature sensor 9 is low, the smoke sensor 5 outputs a smoke concentration detection signal to the first comparator N1, when the smoke concentration detection signal is greater than a threshold signal Vref1, the first comparator N1 outputs a smoke concentration comparison signal to the first triode Q1, the first triode receives the smoke concentration comparison signal, converts the low-frequency smoke concentration comparison signal into the high-frequency smoke concentration comparison signal and sends a switching signal to the first-level warning lamp L1 and the buzzer H1 which are installed on the disaster level prompter, and at the moment, the first-level warning lamp L1 sends an orange warning signal and the buzzer H1 sends a sound warning signal.
When the fire behavior of the fire fighting channel gradually expands, when the temperature detection signal sent by the temperature sensor 9 is greater than the threshold signal Vref2, the temperature comparison unit 10 outputs a temperature comparison signal to the second signal input end of the logic AND gate, at this time, the smoke concentration comparison unit 6 outputs a smoke concentration comparison signal to the first signal input end of the logic AND gate, the logic AND gate responds to the smoke concentration comparison signal and the temperature comparison signal at the same time and outputs a logic judgment signal to the base of the second triode Q2, the second triode Q2 receives the high-frequency signal and sends a switch signal to the second-level warning lamp L2 installed in the disaster level prompter and controls the electromagnetic valve 14 to be opened, the second-level warning lamp L2 sends a red warning signal, the electromagnetic valve 14 is opened, the water in the fire fighting pipe 3 enters the water inlet section 42 from the rotary joint 41, the water is conveyed to the spraying section 43 from the water inlet section 42 and is sprayed out, because outlet pipe 44 all is located play water side 431 and water inlet section 42 rotates around rotary joint 41, the recoil phenomenon is aroused in outlet pipe 44 water spray this moment, and water inlet section 42 and spraying section 43 all rotate around rotary joint 41, and the burning area of its below is covered to the water that outlet pipe 44 spun.
The spraying component 4 is arranged below the fire alarm 2, and when a fire disaster is in a second-level state, water is sprayed out of the water outlet pipe 44, so that the fire alarm 2 is not easy to burn out, and the service life of the fire alarm 2 is prolonged.
The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the application in any way, and any features disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Claims (10)
1. The utility model provides a conflagration autoalarm and disaster situation grade monitoring device which characterized in that: comprises a fire alarm (2) arranged on the ceiling (1) of a fire passageway of a building and a disaster situation grade prompter arranged outside the building; disaster level prompting device is used for real-time suggestion outside the building in the disaster level in the staff building, fire alarm (2) are coupled and are controlled disaster level prompting device and send disaster level warning signal's disaster level detection circuitry, disaster level detection circuitry includes:
the first-level disaster warning module is used for sending a first-level warning signal to workers outside the building to warn the workers that the disaster in the building is in a first-level state;
the second-stage disaster warning module is used for sending a second-stage warning signal to workers outside the building to warn the workers that the disaster in the building is in a second-stage state;
the second-level state is more serious than the first-level state.
2. A fire autoalarm and disaster level monitor device according to claim 1, wherein: the first-level disaster alarm module comprises: the smoke sensor (5) is arranged on the fire alarm (2) and used for detecting the smoke concentration in the fire fighting channel and outputting a smoke concentration detection signal;
the smoke concentration comparison unit (6) is coupled with the smoke concentration sensor and preset with a threshold signal Vref1 so as to output a smoke concentration comparison signal when the smoke concentration detection signal is greater than the threshold signal Vref 1;
the first switch unit (7) is coupled to the smoke concentration comparison unit (6) and outputs a switch signal when receiving the smoke concentration comparison signal;
and the first-level warning unit (8) is arranged on the disaster level prompter and is coupled to the first switch unit (7) so as to send a first-level warning signal to warn people outside the building that the building is in a first-level disaster state when receiving the switch signal.
3. A fire autoalarm and disaster level monitor device according to claim 2, wherein: the second grade disaster alarm module includes: the temperature sensor (9) is arranged on the fire alarm (2) and used for detecting the temperature of the fire alarm (2) and outputting a temperature detection signal;
the temperature comparison unit (10) is coupled to the temperature sensor (9) and preset with a threshold signal Vref2 to output a temperature comparison signal when the temperature detection signal is greater than the threshold signal Vref 2;
a logic judgment unit (11) respectively coupled to the temperature comparison unit (10) and the smoke concentration comparison unit (6) for responding to the temperature comparison signal and the smoke concentration comparison signal and outputting a logic judgment signal;
a second switching unit (12) coupled to the logic judgment unit (11) to output a switching signal when receiving the logic judgment signal;
and the second-stage warning unit (13) is installed on the disaster grade prompter and is coupled to the second switch unit (12) so as to send out a second-stage warning signal when receiving the switch signal to warn people outside the building that the building is in a second-stage disaster state.
4. A fire autoalarm and disaster level monitor device according to claim 2, wherein: the smoke concentration comparison unit (6) comprises a first comparator N1, a first signal input end of the first comparator N1 is coupled with the smoke sensor (5), a second signal input end of the first comparator N1 is connected with a threshold signal Vref1, and a signal output end of the first comparator N1 is connected with a first resistor R1 in series and then coupled with a first switch unit (7).
5. A fire autoalarm and disaster level monitoring device according to claim 4, characterized in that: the first switching unit (7) comprises a first transistor Q1, a base of the first transistor Q1 is coupled to a signal output end of a first comparator N1, a collector of the first transistor Q1 is coupled to a power supply voltage VCC, and an emitter of the first transistor Q1 is grounded.
6. A fire autoalarm and disaster level monitor device according to claim 3, wherein: the temperature comparison unit (10) comprises a second comparator N2, a first signal input end of the second comparator N2 is coupled with the temperature sensor (9), a second signal input end of the second comparator N2 is connected with a threshold signal Vref2, and a signal output end of the second comparator N2 is coupled with the logic judgment unit (11).
7. A fire autoalarm and disaster level monitor device according to claim 6, wherein: the logic judgment unit (11) comprises a logic AND gate, a first input end of the logic AND gate is coupled with a signal output end of the first comparator N1, a second input end of the logic AND gate is coupled with a signal output end of the second comparator N2, and a signal output end of the logic AND gate is coupled with the second switch unit (12) after being connected with the second resistor R2 in series.
8. A fire autoalarm and disaster level monitor device as in claim 7 wherein: the second switching unit (12) comprises a second triode Q2, the base of the second triode Q2 is coupled to the signal output end of the logic AND gate, the collector of the second triode Q2 is coupled to the power voltage VCC, and the emitter of the second triode Q2 is grounded.
9. A fire autoalarm and disaster level monitor device according to claim 3, wherein: the ceiling (1) is fixed with fire hose (3), and fire hose (3) installation sprays subassembly (4) and solenoid valve (14), spray subassembly (4) are located fire alarm ware (2) below, solenoid valve (14) are coupled in second switch unit (12) and open when receiving switching signal.
10. A fire autoalarm and disaster level monitor device as in claim 9 wherein: spray subassembly (4) and include rotary joint (41), intake section (42) and spray section (43), rotary joint (41) are fixed and communicate with fire control pipe (3), intake section (42) and rotary joint (41) are fixed and communicate, intake section (42) and rotate around the axis of rotary joint (41), spray section (43) around the axis distribution of intake section (42) and spray the one end of section (43) and the lateral wall intercommunication of intake section (42), spray section (43) are respectively for going out water side (431) and rotation side (432) along its length direction's both sides, it has a plurality of outlet pipes (44) to spray section (43) are fixed and communicate, and the one end and the play water side (431) of outlet pipe (44) are fixed and communicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022070560.8U CN212990279U (en) | 2020-09-19 | 2020-09-19 | Automatic fire alarm and disaster level monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022070560.8U CN212990279U (en) | 2020-09-19 | 2020-09-19 | Automatic fire alarm and disaster level monitoring device |
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| CN212990279U true CN212990279U (en) | 2021-04-16 |
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| CN202022070560.8U Active CN212990279U (en) | 2020-09-19 | 2020-09-19 | Automatic fire alarm and disaster level monitoring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113658402A (en) * | 2021-07-06 | 2021-11-16 | 上海融韵嘉丰消防装备集团有限公司 | Fire control thing networking alarm integrated system |
| CN114373276A (en) * | 2022-01-18 | 2022-04-19 | 浙江万邦智能科技股份有限公司 | Building intelligent sensing method, intelligent terminal and storage medium |
| CN117462902A (en) * | 2023-12-27 | 2024-01-30 | 山西一建集团有限公司 | Spraying fire extinguishing device for temporary construction office |
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2020
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113658402A (en) * | 2021-07-06 | 2021-11-16 | 上海融韵嘉丰消防装备集团有限公司 | Fire control thing networking alarm integrated system |
| CN114373276A (en) * | 2022-01-18 | 2022-04-19 | 浙江万邦智能科技股份有限公司 | Building intelligent sensing method, intelligent terminal and storage medium |
| CN117462902A (en) * | 2023-12-27 | 2024-01-30 | 山西一建集团有限公司 | Spraying fire extinguishing device for temporary construction office |
| CN117462902B (en) * | 2023-12-27 | 2024-03-12 | 山西一建集团有限公司 | Spraying fire extinguishing device for temporary construction office |
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