CN212700204U - Fire safety monitoring system - Google Patents
Fire safety monitoring system Download PDFInfo
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- CN212700204U CN212700204U CN202021294557.8U CN202021294557U CN212700204U CN 212700204 U CN212700204 U CN 212700204U CN 202021294557 U CN202021294557 U CN 202021294557U CN 212700204 U CN212700204 U CN 212700204U
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Abstract
The utility model relates to a fire-fighting equipment technical field, when taking place to the conflagration, smog is to the great literary composition problem of personnel's injury, aims at providing a conflagration safety monitoring system, including installing at indoor smog induction circuit, install the raceway on the indoor ceiling, the intercommunication has a plurality of spray pipes that extend towards the ground direction on the raceway, and pre-buried in the indoor wall has the water tank, has placed the working shaft in the water tank, and the intercommunication has the flow pipe between working shaft and the raceway, and smog induction circuit includes: the device comprises a smoke sensor, a smoke concentration comparison unit and a verification control unit. The water in the water tank is sprayed out from the water spraying pipe through the water conveying pipe under the action of the water supply pump, and the water spraying pipe is arranged around the circumference of the water conveying pipe, so that water sprayed out from the water spraying pipe forms a water curtain indoors, people stand in the water curtain, and smoke is partially contained in the water, so that the people standing in the water curtain are not easy to absorb too much smoke in a short time, and more rescue time is strived for fire fighters.
Description
Technical Field
The utility model belongs to the technical field of the fire-fighting equipment technique and specifically relates to a conflagration safety monitoring system is related to.
Background
The fire safety monitoring system is a system which can send out alarm signals and control signals and can indicate alarm positions when detected parameters in a protected line exceed alarm set values.
The existing fire alarm system can perform early warning after a fire disaster generally, but for an existing residential building, some rooms of residents are affected by the spread of other floors, the fire alarm system does not sense the fire disaster in the first time, and under the conditions that the fire is too large and the dense smoke is too large, the residents cannot escape in time, and only can wait for the rescue of fire fighters. When burning articles, a large amount of dense smoke is generated, residents waiting for rescue passively inhale excessive dense smoke in the waiting process, and the excessive inhaling of the dense smoke affects normal breathing and threatens the life of human bodies, so that an improvement space exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reduce conflagration safety monitoring system of the injury that the conflagration caused indoor personnel to prior art not enough.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a conflagration safety monitoring system, including installing indoor smog induction circuit, install the raceway on the indoor ceiling, the raceway becomes the closed ring form setting of head and the tail, including the ring that the raceway encloses can supply the people to stand, the intercommunication has a plurality of spray pipes that extend towards the ground direction on the raceway, a plurality of spray pipes distribute around the length direction of raceway, pre-buried the water tank in the indoor wall, the working shaft has been placed in the water tank, the intercommunication has the delivery pipe between working shaft and the raceway, smog induction circuit includes:
a smoke sensor installed on an indoor ceiling for detecting a smoke concentration in a room and outputting a smoke signal;
the smoke concentration comparison unit is coupled with the smoke sensor, preset with a smoke threshold signal Verf1 and sends out a comparison signal when the smoke signal is greater than the smoke threshold signal Verf 1;
and the verification control unit is respectively coupled with the electromagnetic valve, the exhaust fan and the smoke concentration comparison unit and controls the water supply pump to be started when receiving the comparison signal.
By adopting the technical scheme, the smoke sensor is arranged indoors to detect the indoor smoke concentration in real time, by arranging the smoke concentration comparison unit to compare the smoke signal detected by the smoke sensor with a preset smoke threshold signal Verf1, when the smoke signal is larger than the smoke threshold signal Verf1 (at the moment, people can not escape from places such as a doorway due to overlarge fire), a comparison signal is output to the verification control unit, the verification control unit controls the water supply pump to be started when receiving the comparison signal, water in the water tank is sprayed out from the water spray pipe through the water delivery pipe under the action of the water supply pump, and the water spray pipe is arranged around the circumferential direction of the water delivery pipe, so that the water sprayed from the spray pipe forms a water curtain in the room, people stand in the water curtain, the smoke is partially contained in the water, so that the person standing in the water curtain is not easy to suck excessive smoke in a short time, and more rescue time is won for the fire fighter. Through set up the water tank in the wall to realize the principle of supply water nearby, shorten the time of water conveying.
The present invention may be further configured in a preferred embodiment as: the water delivery pipe is detachably connected with the ceiling.
Through adopting above-mentioned technical scheme, when the intensity of a fire is too big, raceway and the spray pipe of setting on the ceiling probably receive the influence, change regularly and maintain through dismantling the raceway from the ceiling to keep raceway and spray pipe normal water effect that leads to.
The present invention may be further configured in a preferred embodiment as: the fixing frame is fixedly connected to the water delivery pipe and comprises a hanging rod, a fixing plate is fixedly connected to the hanging rod, and a fastening bolt is arranged on the fixing plate in a penetrating mode and is in threaded connection with the ceiling.
Through adopting above-mentioned technical scheme, fixed plate and ceiling are fixed through using fastening bolt, through unscrewing fastening bolt alright dismantle the raceway from the ceiling, when needs fix the raceway on the ceiling again, pass the fastening bolt again the fixed plate and with fastening bolt with the ceiling screw up can, easy operation is convenient.
The present invention may be further configured in a preferred embodiment as: the number of the fixing frames is not less than three, and the fixing frames are arranged at intervals along the length direction of the water conveying pipe.
By adopting the technical scheme, the connection strength of the water conveying pipe and the ceiling is increased by increasing the number of the fixing frames, so that the water conveying pipe is not easy to separate from the ceiling in the water conveying process of the water conveying pipe.
The present invention may be further configured in a preferred embodiment as: the smoke concentration comparison signal comprises a comparator A1, a first signal input end of the comparator A1 is connected with the smoke sensor, a second signal input end of the comparator A1 is connected with the smoke threshold signal Verf1, and a signal output end of the comparator A1 is electrically connected with a verification control unit.
By adopting the technical scheme, the comparator A1 can compare the signals of the two input ends so as to monitor and compare the magnitude of the signals of the two signal input ends in real time, and the sensitivity of the comparator A1 is high so as to send the comparison signal to the verification control unit in time when the smoke signal is detected to be greater than the preset smoke threshold signal Verf 1.
The present invention may be further configured in a preferred embodiment as: the verification control unit comprises a verification module and a switch module, the verification module comprises a logic gate device, a first signal input end of the logic gate device is connected with a signal output end of a comparator A1, a second signal input end of the logic gate device is connected with a human body induction unit, the human body induction unit is installed on an indoor ceiling and used for detecting whether a person exists in the indoor and outputting a person signal under the condition that the person exists, and the logic gate device outputs a logic signal when receiving the person signal and a comparison signal simultaneously.
Through adopting above-mentioned technical scheme, through installing human response unit on the ceiling to when the response conflagration takes place, whether indoor someone, so that satisfy simultaneously that someone and smog signal are greater than smog threshold value signal Verf1 the working shaft opens, so that the condition that the working shaft is difficult for appearing the mistake and start, reduced the water indiscriminate phenomenon of spouting and water waste.
The present invention may be further configured in a preferred embodiment as: the switch module comprises a triode Q1, the base of the triode Q1 is connected with the signal output end of the logic gate device, the collector of the triode Q1 is connected with power supply voltage, the emitter of the triode Q1 is connected with a relay KM1 in series, the relay KM1 is provided with a second normally open contact switch KM1-2, and the second normally open contact switch KM1-2 is connected in series with a power supply loop of the water supply pump.
Through adopting above-mentioned technical scheme, through setting up triode Q1 with the effect as the switch to make triode Q1 switch on when receiving simultaneously that someone signal and smog signal are greater than smog threshold value signal Verf1, and then make the working shaft start, the water in the water tank is from the spray pipe blowout, and then when reducing the conflagration and taking place, the injury that smog caused indoor personnel.
The present invention may be further configured in a preferred embodiment as: the indoor ceiling is provided with an exhaust hole, one end of the exhaust hole is communicated with an exhaust pipe communicated with the outdoor, an exhaust fan is arranged on the exhaust hole, an air port of the exhaust fan is opposite to the indoor, a water pipe is wound on the periphery of the exhaust fan, the relay comprises a first normally open contact switch KM1-1, and the first normally open contact switch KM1-1 is connected in series with a power supply loop of the exhaust fan.
Through adopting above-mentioned technical scheme, the air discharge fan starts when relay KM1 gets electricity, and the air discharge fan can be taken out the smog of a plurality of spray pipe within ranges to outdoor from the blast pipe, and the water spray effect of cooperation spray pipe further reduces smog when the conflagration takes place and to indoor personnel's influence to provide sufficient time for the fire fighter and expand rescue work.
To sum up, the utility model discloses a beneficial technological effect does:
1. the water in the water tank is sprayed out from the water spraying pipe through the water conveying pipe under the action of the water supply pump, and the water spraying pipe is arranged around the circumference of the water conveying pipe, so that a water curtain is formed in a room by the water sprayed out from the water spraying pipe, people stand in the water curtain, and smoke is partially contained in the water, so that the people standing in the water curtain are not easy to absorb excessive smoke in a short time, and more rescue time is won for fire fighters;
2. the fixing plate is fixed with the ceiling by using the fastening bolt, the water pipe can be detached from the ceiling by unscrewing the fastening bolt, and when the water pipe needs to be fixed on the ceiling again, the fastening bolt penetrates through the fixing plate again and is screwed with the ceiling, so that the operation is simple and convenient;
3. through installation human response unit on the ceiling to when the response conflagration took place, whether indoor someone, so that the working shaft is opened when satisfying someone simultaneously and smog signal is greater than smog threshold signal Verf1, so that the condition that the misactivation is difficult to appear in the working shaft, reduced the indiscriminate phenomenon of spouting of water and water waste.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is an enlarged schematic view of A of FIG. 1;
fig. 3 is a circuit diagram of the present embodiment.
In the figure, 1, the ceiling; 2. a water delivery pipe; 3. a water spray pipe; 4. a water supply pipe; 5. a water tank; 6. an exhaust pipe; 7. an exhaust hole; 8. an exhaust fan; 9. a boom; 10. a fixed mount; 101. an upper splint; 102. a lower splint; 103. locking the bolt; 104. a nut; 11. a fixing plate; 12. and fastening the bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a conflagration safety monitoring system, including installing raceway 2 on indoor ceiling 1, raceway 2 becomes the closed ring form setting of head and the tail, the ring that raceway 2 encloses can supply the people to stand, the intercommunication has a plurality of spray pipes 3 that extend towards ground on raceway 2, a plurality of spray pipes 3 set up around the even interval of length direction of raceway 2, interval between adjacent spray pipe 3 should be sufficient little, so that the water column of water spray formation is more close between adjacent spray pipe 3, pre-buried water tank 5 that has in the indoor wall, be provided with the working shaft (the entity that does not show in the figure) in the water tank 5, the intercommunication has water supply pipe 4 between working shaft and the raceway 2.
Referring to fig. 1 and 2, the water pipe 2 is connected to a fixing frame 10, and the fixing frame 10 is detachably connected to the ceiling 1. Fixedly connected with jib 9 on mount 10, jib 9 keep away from with the fixed one end fixedly connected with fixed plate 11 of mount 10, the perpendicular jib 9 of the face of fixed plate 11, wear to be equipped with fastening bolt 12 on the fixed plate 11, fastening bolt 12 passes fixed plate 11 and ceiling 1 threaded connection. Two fastening bolts 12 are provided on the fixing plate 11.
In this embodiment, there are five fixing frames 10 on the water pipe 2, and the five fixing frames 10 extend around the length direction of the water pipe 2. In other embodiments, the fixture 10 may also be two, four, six, etc.
Mount 10 includes punch holder 101 and lower plate 102, punch holder 101 and lower plate 102 are placed relatively, the relative position department of punch holder 101 and lower plate 102 all becomes the arc, raceway 2 is pressed from both sides tightly between punch holder 101 and lower plate 102, wear to be equipped with locking bolt 103 on the punch holder 101, locking bolt 103 passes punch holder 101 and lower plate 102 in proper order, threaded connection has nut 104 on locking bolt 103, the both ends of punch holder 101 all are provided with locking bolt 103, raceway 2 is located the middle part of punch holder 101.
An exhaust hole 7 is formed in the surrounding ring of the water conveying pipe 2 in the ceiling 1, an exhaust pipe 6 communicated with the outside is communicated with the exhaust hole 7, an exhaust fan 8 is fixed in the exhaust hole 7, and the exhaust fan 8 is opposite to indoor air draft. The exhaust fan 8 is electrically connected with a power supply through an electric wire pre-buried in the ceiling 1.
Referring to fig. 3, a smoke sensing circuit is installed on an indoor ceiling 1, and the smoke sensing circuit includes a smoke sensor, a smoke concentration comparing unit, and a verification control unit.
The smoke sensor is used for detecting the concentration of indoor smoke and outputting a smoke signal.
The smoke concentration comparison unit is coupled with the smoke sensor, is preset with a smoke threshold signal Verf1 and sends out a comparison signal when the smoke signal is greater than the smoke threshold signal Verf 1. The smoke concentration comparison unit comprises a comparator A1, a first signal input end of a comparator A1 is connected with the smoke sensor, a second signal input end of a comparator A1 is connected with the smoke threshold signal Verf1, and a signal output end of a comparator A1 is electrically connected with the verification control unit. The first signal input terminal of the comparator A1 is a positive phase signal input terminal, and the second signal input terminal of the comparator A1 is an inverted phase signal input terminal.
The verification control unit is coupled respectively in exhaust fan 8 and smog concentration comparing element, the verification control unit includes verification module and switch module, the verification module includes the logic gate device, the first signal input part of logic gate device is connected with comparator A1's signal output part behind first resistance R1, the second signal input part of logic gate device is connected with human induction unit, human induction unit installs in indoor ceiling 1 and is used for detecting indoor whether have the people and export someone signal under the condition that has the people, the logic gate device is receiving someone signal simultaneously and is exporting logic signal when the comparison signal. In this embodiment, the logic gate device is a logic and gate, the human body sensing unit is a heat release infrared sensor, and the human body sensing unit is installed in each room, so as to improve the accuracy of human signal transmission.
The switch module comprises an NPN type triode Q1, the base electrode of the triode Q1 is connected with the signal output end of the logic AND gate after passing through a second resistor R2, the collector electrode of the triode Q1 is connected with power voltage after passing through a third resistor R3, the emitter electrode of the triode Q1 is connected in series with a relay KM1, the relay KM1 is provided with a first normally open contact switch KM1-1, and the first normally open contact switch KM1-1 is connected in series with a power supply loop of the exhaust fan 8. Transistor Q1 conducts when it receives a logic signal.
The relay KM1 included a second normally open contact switch KM1-2, and the second normally open contact switch KM1-2 was connected in series to the power supply circuit of the water supply pump.
The working conditions and the implementation principle of the embodiment are as follows:
when a fire occurs, the smoke sensor senses the existence of smoke, the smoke sensor continuously outputs a smoke signal, at the moment, the human body sensing unit also detects whether a person exists in a room in real time, the comparator A1 compares the received smoke signal with the smoke threshold signal Verf1, so that when the smoke signal is larger, namely the smoke signal is larger than the smoke threshold signal Verf1, the comparator A1 outputs a comparison signal, the first signal input end of the logic AND gate becomes high level, when the human body sensing unit senses the existence of the person in the room, the human body sensing unit outputs a person signal to the second signal input end of the logic AND gate, the second signal input end of the logic AND gate also becomes high level, according to a truth table of the logic AND gate, the signal output end of the logic AND gate outputs a logic signal to the triode Q1, the triode Q1 is conducted to further conduct the relay, the exhaust fan 8 and the water supply pump are both conducted, water in the water tank 5 is carried in raceway 2 through delivery pipe 4 under the effect of water supply pump, the water in raceway 2 is followed spray pipe 3 blowout, a plurality of spray pipes 3 water spray simultaneously to form the cross-section for the annular cascade of circle at indoor, indoor too big people of not arriving too much the fleeing because of the intensity of a fire, can stand in the cascade, the not partial smog of cascade can separation, and then reduce the inspiratory smog volume of people, so that rescue personnel can obtain more abundant rescue time.
Through set up the exhaust fan in the enclosure that raceway 2 formed, the exhaust fan will enter into the smog of cascade and take away, further reduces the inspiratory smog volume of staff, has reduced the injury of smog to the people.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A fire safety monitoring system, including installing indoor smog induction circuit, its characterized in that: install raceway (2) on indoor ceiling (1), raceway (2) become the closed ring form setting of head and the tail, including the ring that raceway (2) enclose can supply the people to stand, the intercommunication has a plurality of spray pipes (3) that extend towards the ground direction on raceway (2), a plurality of spray pipes (3) distribute around the length direction of raceway (2), pre-buried water tank (5) in the indoor wall, the working shaft has been placed in water tank (5), the intercommunication has delivery pipe (4) between working shaft and raceway (2), smog response circuit includes:
a smoke sensor installed on an indoor ceiling (1) for detecting a smoke concentration in a room and outputting a smoke signal;
the smoke concentration comparison unit is coupled with the smoke sensor, preset with a smoke threshold signal Verf1 and sends out a comparison signal when the smoke signal is greater than the smoke threshold signal Verf 1;
and the verification control unit is respectively coupled with the electromagnetic valve, the exhaust fan (8) and the smoke concentration comparison unit and controls the water supply pump to be started when receiving the comparison signal.
2. A fire safety monitoring system according to claim 1, wherein: the water delivery pipe (2) is detachably connected with the ceiling (1).
3. A fire safety monitoring system according to claim 2, wherein: the water conveying pipe is characterized in that a fixing frame (10) is fixedly connected to the water conveying pipe (2), the fixing frame (10) comprises a hanging rod (9), a fixing plate (11) is fixedly connected to the hanging rod (9), a fastening bolt (12) penetrates through the fixing plate (11), and the fastening bolt (12) is in threaded connection with the ceiling (1).
4. A fire safety monitoring system according to claim 3, wherein: the number of the fixing frames (10) is not less than three, and the fixing frames (10) are arranged at intervals along the length direction of the water conveying pipe (2).
5. A fire safety monitoring system according to claim 1, wherein: the smoke concentration comparison signal comprises a comparator A1, a first signal input end of the comparator A1 is connected with the smoke sensor, a second signal input end of the comparator A1 is connected with the smoke threshold signal Verf1, and a signal output end of the comparator A1 is electrically connected with a verification control unit.
6. A fire safety monitoring system according to claim 5, wherein: the verification control unit comprises a verification module and a switch module, the verification module comprises a logic gate device, a first signal input end of the logic gate device is connected with a signal output end of a comparator A1, a second signal input end of the logic gate device is connected with a human body sensing unit, the human body sensing unit is installed on an indoor ceiling (1) and used for detecting whether a person exists in a room and outputting a person signal under the condition that the person exists, and the logic gate device outputs a logic signal when receiving the person signal and a comparison signal simultaneously.
7. A fire safety monitoring system according to claim 6, wherein: the switch module comprises a triode Q1, the base of the triode Q1 is connected with the signal output end of the logic gate device, the collector of the triode Q1 is connected with power supply voltage, the emitter of the triode Q1 is connected with a relay KM1 in series, the relay KM1 is provided with a second normally open contact switch KM1-2, and the second normally open contact switch KM1-2 is connected in series with a power supply loop of the water supply pump.
8. A fire safety monitoring system according to claim 7, wherein: open on indoor ceiling (1) has exhaust hole (7), the one end intercommunication in exhaust hole (7) has outdoor blast pipe (6) of intercommunication, installs air discharge fan (8) on exhaust hole (7), and the wind gap of air discharge fan (8) is just to indoor, and raceway (2) wire-wrap is in the periphery of air discharge fan (8), and the relay includes first normally open contact switch KM1-1, and first normally open contact switch KM1-1 establishes ties at the power supply loop of air discharge fan (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021294557.8U CN212700204U (en) | 2020-07-02 | 2020-07-02 | Fire safety monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021294557.8U CN212700204U (en) | 2020-07-02 | 2020-07-02 | Fire safety monitoring system |
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| Publication Number | Publication Date |
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| CN212700204U true CN212700204U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021294557.8U Active CN212700204U (en) | 2020-07-02 | 2020-07-02 | Fire safety monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113538836A (en) * | 2021-06-28 | 2021-10-22 | 唐山微探电子设备有限公司 | Alarm device with protection function for fire detector and operation method thereof |
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2020
- 2020-07-02 CN CN202021294557.8U patent/CN212700204U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113538836A (en) * | 2021-06-28 | 2021-10-22 | 唐山微探电子设备有限公司 | Alarm device with protection function for fire detector and operation method thereof |
| CN113538836B (en) * | 2021-06-28 | 2022-06-03 | 唐山微探电子设备有限公司 | Alarm device with protection function for fire detector and operation method thereof |
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