CN210750994U - Hot aerosol fire extinguishing device for nuclear power station - Google Patents
Hot aerosol fire extinguishing device for nuclear power station Download PDFInfo
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- CN210750994U CN210750994U CN201921201346.2U CN201921201346U CN210750994U CN 210750994 U CN210750994 U CN 210750994U CN 201921201346 U CN201921201346 U CN 201921201346U CN 210750994 U CN210750994 U CN 210750994U
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- 239000000443 aerosol Substances 0.000 title claims abstract description 53
- 238000001514 detection method Methods 0.000 claims abstract description 41
- 239000003999 initiator Substances 0.000 claims abstract description 28
- 239000000779 smoke Substances 0.000 claims abstract description 18
- 239000003380 propellant Substances 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims description 4
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
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Abstract
The utility model relates to a steam colloidal sol extinguishing device for nuclear power station relates to fire-fighting equipment technical field, and it includes the steam colloidal sol main part of putting out a fire, and a plurality of spouts have been seted up to its bottom, still include: a temperature detection device for detecting the temperature and smoke of the surrounding environment and outputting a detection signal; a signal processing device: its coupling is in temperature-detecting device, and its output end is coupled in the initiator of hot aerosol main part of putting out a fire, its detection signal and output control signal that receive temperature-detecting device output in the initiator of hot aerosol main part of putting out a fire, when taking place the condition of a fire, when signal processing device received the detection signal of temperature-detecting device output, output control signal in the initiator of hot aerosol main part of putting out a fire, start the hot aerosol main part of putting out a fire. The utility model discloses can in time put out a fire and cool down work to discovering the condition of a fire and in time, reduce the hidden danger that the condition of a fire stretchs.
Description
Technical Field
The utility model belongs to the technical field of the fire-fighting equipment technique and specifically relates to a steam colloidal sol extinguishing device for nuclear power station is related to.
Background
With the continuous progress of the technology, the nuclear power station is gradually popularized in China as an emerging energy supply mode of a hot aerosol fire extinguishing device for the nuclear power station, in the nuclear power station, the safety of a reactor coolant pump and a charging pump is very important, and therefore, in the safety construction of the nuclear power station, the fire extinguishing device is required to be started immediately to extinguish fire when the reactor coolant pump and the charging pump are in a fire.
The existing fire fighting equipment has certain reaction time from the occurrence of fire to the fire extinguishing work, and cannot meet the requirement of instant fire extinguishing, so that the existing nuclear power station has great potential safety hazard.
Therefore, a new technical solution is needed to solve the problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steam colloidal sol extinguishing device for nuclear power station, it can in time discover the condition of a fire and carry out the work of putting out a fire.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a hot aerosol extinguishing device for nuclear power station, includes hot aerosol extinguishing main part, its inside initiator that is provided with and is used for initiating hot aerosol propellant that is provided with, a plurality of spouts have been seted up to its bottom, its characterized in that still includes:
a temperature detection device for detecting the temperature and smoke of the surrounding environment and outputting a detection signal;
a signal processing device: the output end of the initiator is coupled with the hot aerosol fire extinguishing main body, and the initiator receives the detection signal output by the temperature detection device and outputs a control signal to the hot aerosol fire extinguishing main body;
when a fire occurs, the signal processing device outputs a control signal to an initiator of the hot aerosol fire extinguishing main body when receiving a detection signal output by the temperature detection device, and the hot aerosol fire extinguishing main body is started.
Through adopting above-mentioned technical scheme, when temperature-detecting device detected that there is the condition of a fire to take place, output detected signal transmits and gives signal processing device, signal processing device case causes device output control signal, the control initiator opens, ignite the aerosol propellant in the storage intracavity, the aerosol of production enters into through the opening from the blowout of storage intracavity and through spout from the main part of putting out a fire blowout in to play the cooling effect of putting out a fire to the environment on every side, the device is rapid to the reaction of the condition of a fire, stretching of timely control condition of a fire.
The utility model discloses further set up to: a plurality of the spout includes the edge the first spout of main part bottom outside circumference range of putting out a fire, the bottom of first spout all is towards the main part lateral wall of putting out a fire, a plurality of second spouts that are vertical setting are seted up at main part bottom middle part of putting out a fire.
Through adopting above-mentioned technical scheme, after the aerosol propellant in the storage cavity is triggered, first spout is the slope setting, can increase the spray regime of aerosol for aerosol covers the speed of surrounding environment, sprays the region that lies in the main part below of putting out a fire through the second spout, controls the possibility that the condition of a fire further reduces the condition of a fire and spreads effectively.
The utility model discloses further set up to: the temperature detection device comprises a thermistor, one end of the thermistor is coupled with a power supply, the other end of the thermistor is coupled with a third resistor, the other end of the third resistor is grounded, and a connection point of the thermistor and the third resistor is coupled with a signal processing device and outputs a temperature detection signal.
Through adopting above-mentioned technical scheme, when taking place the condition of a fire, the temperature around the thermistor risees, and its resistance diminishes, and the voltage that the third resistance was divided increases, turns into the voltage signal of third resistance with temperature signal and transmits signal processing device to promote detection accuracy.
The utility model discloses further set up to: the signal processing apparatus includes:
the comparator is coupled to a connection point between the thermistor and the third resistor at the same direction end to receive a temperature detection signal, the reverse end of the comparator is connected to a temperature reference value signal and outputs a control signal, when the temperature detection signal is lower than the temperature reference value signal, the comparator outputs a low level signal, and when the temperature detection signal is higher than the temperature reference value signal, the comparator outputs a high level signal;
and the base electrode of the second triode is coupled with the output end of the comparator, the emitting electrode of the second triode is grounded, and the collector electrode of the second triode is coupled in a power supply loop of an initiator of the hot aerosol fire extinguishing main body.
Through adopting above-mentioned technical scheme, rising when the ambient temperature, the voltage of third resistance risees, and the signal of input comparator's input becomes the base of high level input and second triode, and the second triode switches on the back, and initiation device gets to be electrified in order to start the aerosol main part of putting out a fire to the work of putting out a fire to cabinet body inside.
The utility model discloses further set up to: further comprising:
the smoke detector is connected with the power supply and outputs a detection signal;
and the output end of the AND gate circuit is coupled to the base electrode of the second triode and outputs a logic gate signal.
Through adopting above-mentioned technical scheme, owing to install a large amount of electrical apparatus in the electrical apparatus cabinet, it can produce a large amount of heats at the during operation, for reducing the production that thermistor produced the wrong report condition of police, promote the precision that detects through setting up smoke detector, the output high level of comparator, detect smog and export the high level simultaneously and make in AND gate circuit when smoke detector, AND gate circuit exports the high level in the base of second triode, the second triode switches on, and make the initiator get electric, start the thermosol main part of putting out a fire.
The utility model discloses further set up to: still be provided with alarm device, alarm device includes:
the first triode is an NPN type triode, the base electrode of the first triode is coupled with the output end of the AND gate circuit, the collector electrode of the first triode is coupled with a power supply, and the emission set of the first triode is grounded;
the alarm is connected between the collector of the first triode and a power supply in series;
the excitation coil of the relay is connected in series between the alarm and the collector of the first triode, and the normally open contact of the relay is connected in series between the base of the second triode and the power supply.
Through adopting above-mentioned technical scheme, take place when the condition of a fire, during the detected signal output detected signal, first triode switches on for the alarm gets the electricity and reports to the police, and the staff of being convenient for in time takes place the condition of a fire and handles it, and the excitation coil of relay gets the electricity simultaneously, and its normally open contact is closed, makes the second triode switch on simultaneously and starts the aerosol main part of putting out a fire.
The utility model discloses further set up to: and a control switch is connected in series between the emission set of the first triode and the grounding end of the first triode.
By adopting the technical scheme, the worker can conveniently control whether the device works or not through the control switch.
To sum up, the utility model discloses a beneficial technological effect does: 1. the fire in the surrounding environment can be detected in time, and the fire is extinguished and cooled, so that the reaction time is short, the fire is effectively prevented from spreading, and the potential safety hazard is reduced; 2. by arranging the smoke sensor, the working accuracy of the device is improved, and the device is prevented from being triggered by high temperature generated by other reasons; 3. the alarm reminds the staff of the occurrence of fire and timely processes the fire.
Drawings
Fig. 1 is a circuit diagram of the present invention.
Fig. 2 is a schematic view of the bottom structure of the hot aerosol body of fig. 1.
In the figure, 1, a hot aerosol fire extinguishing main body; 2. a spout; 3. a first nozzle; 4. a second nozzle; 5. a temperature detection device; 6. a signal processing device; 7. an alarm device; 8. a smoke detector; 9. an alarm; 10. an initiator.
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 steam colloidal sol extinguishing device for nuclear power station is used for nuclear power station, including steam colloidal sol extinguishing main part 1, its inside initiator 10 that is used for causing the steam colloidal sol extinguishing main part 1 inside steam colloidal sol propellant that is provided with, initiator 10 is electric initiator, and a plurality of spouts 2 have been seted up to steam colloidal sol extinguishing main part bottom, still are provided with in the cabinet body:
a temperature detection device 5 for detecting the temperature of the surrounding environment and outputting a temperature detection signal;
the signal processing device 6: the input end of the thermal aerosol fire extinguishing main body is coupled with the temperature detection device 5, the output end of the thermal aerosol fire extinguishing main body is coupled with the initiator 10 of the thermal aerosol fire extinguishing main body 1, and the thermal aerosol fire extinguishing main body receives the temperature detection signal output by the temperature detection device 5 and outputs a control signal to the initiator 10 of the thermal aerosol fire extinguishing main body 1;
when a fire occurs, when the signal processing device 6 receives a detection signal output by the temperature detection device 5, a control signal is output to an initiator of the hot aerosol fire extinguishing main body 1, and the hot aerosol fire extinguishing main body 1 is started to extinguish fire and reduce temperature.
Referring to fig. 2, a plurality of spouts 2 include along the first spout 3 of the main part bottom outside circumference range of putting out a fire, and the bottom of every first spout 3 all inclines towards the main part lateral wall of putting out a fire, and a plurality of second spouts 4 that are vertical setting are seted up at main part bottom middle part of putting out a fire, and when putting out a fire the work, spray hot aerosol around through first spout 3 orientation surrounding environment to promote the excessive speed that looses of hot aerosol, promote the effect of putting out a fire the cooling.
Referring to fig. 1, the temperature detecting device 5 includes a thermistor RT, which is a negative temperature coefficient thermistor, one end of which is coupled to a power source VCC, the other end of which is coupled to a third resistor R3, the other end of the third resistor R3 is grounded, and a connection point between the thermistor RT and the third resistor R3 is coupled to the signal processing device 6, and when the ambient temperature around the thermistor RT increases, the resistance value of the thermistor RT decreases, so that the resistance value of the third resistor R3 increases, and the connection point between the thermistor RT and the third resistor R3 outputs a temperature detecting signal to the signal processing device 6.
The signal processing device 6 includes:
a comparator N1, the same end of which is coupled to the connection point between the thermistor RT and the third resistor R3, the reverse end of which is coupled to the first resistor R1, one end of the first resistor is connected to the power supply, the connection point between the first resistor R1 and the first resistor VREF is coupled to the reference resistor VREF, the other end of the reference resistor VREF is grounded, and a second resistor R2 is coupled in series between the first resistor R1 and the reference resistor VREF;
a second transistor Q2, which is an NPN-type transistor, has a base coupled to the output terminal of the comparator N1, an emitter grounded, and a collector coupled to the power supply circuit of the initiator 10 of the thermal aerosol fire extinguishing main body 1.
When the ambient temperature rises, the comparator N1 outputs a control signal, the base of the second triode Q2 inputs high level and is conducted, so that the initiator is electrified 10 to start the hot aerosol fire extinguishing main body 1 to extinguish fire and reduce temperature.
In order to avoid the false start of the hot aerosol fire extinguishing main body 1 caused by the temperature rise in the cabinet body, the cabinet body is also internally provided with
A smoke detector 8 coupled in the power supply circuit and outputting a smoke detection signal;
and the output end of the smoke detector 8 and the output end of the comparator N1 are respectively coupled to two input ends of the AND circuit, the output end of the AND circuit is coupled to the base electrode of the second triode Q2 and outputs a logic gate signal, and when the comparator N1 and the smoke detector 8 output high level signals simultaneously, the AND circuit outputs the logic gate signal to control the second triode Q2 to be conducted and start the hot aerosol fire extinguishing main body 1.
Still be provided with alarm device in the hot aerosol main part 1 of putting out a fire, it includes:
a first transistor Q1, which is an NPN transistor, having a base coupled to the output terminal of the and circuit, a collector coupled to the power source VCC, and an emitter grounded;
the alarm 9, the alarm 9 is a buzzer specifically, it connects in series between collector and power of the first triode Q1;
the relay KM is characterized in that an excitation coil of the relay KM is connected in series between the alarm 9 and a collector of a first triode Q1, a normally open contact KM-1 of the relay KM is connected in series between a base of a second triode Q2 and a power supply, and a fourth resistor R4 is connected in series between the normally open contact KM-1 and a second triode Q2.
When the AND gate circuit outputs a logic gate signal to the first triode Q1, the first triode is conducted to enable the buzzer to be powered on for alarm work, and after the magnet exciting coil of the relay KM is powered on, the normally open contact KM-1 of the relay KM is closed, and meanwhile, the hot aerosol fire extinguishing main body 1 is started.
A control switch S1 is connected in series between the emission set of the first triode Q1 and the ground terminal of the first triode Q1, and the control switch S1 is convenient for a worker to control the on and off of the device.
The implementation principle of the embodiment is as follows: when the ambient temperature rises, the resistance of the thermistor RT is reduced, so that the voltage divided by the third resistor R3 is increased, when the voltage of the third resistor R3 is greater than the voltage of the reference resistor VREF, the comparator N1 outputs a control signal to the gate circuit, the smoke detector 8 simultaneously detects smoke, a smoke detection signal is output to the gate circuit, the output end of the gate circuit outputs a logic gate signal to the base of the first triode Q1, the buzzer is powered to give an alarm after the gate circuit is switched on, the magnet exciting coil of the relay KM is powered, the normally open contact KM-1 is closed, the second triode Q2 is switched on, so that the initiator in the hot aerosol fire extinguishing main body 1 is powered on, and the hot aerosol fire extinguishing main body 1 is started to carry out fire extinguishing and temperature.
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 (7)
1. The utility model provides a hot aerosol extinguishing device for nuclear power station, includes hot aerosol extinguishing main part (1), its inside initiator (10) that is used for initiating hot aerosol propellant that is provided with, a plurality of spouts (2) have been seted up to hot aerosol extinguishing main part bottom, and its characterized in that still includes:
a temperature detection device (5) for detecting the temperature and smoke of the surrounding environment and outputting a detection signal;
signal processing device (6): the thermal aerosol fire extinguishing system comprises an initiator, a temperature detection device (5) and a control signal, wherein the initiator is coupled with the temperature detection device (5), the output end of the initiator is coupled with the thermal aerosol fire extinguishing main body (1), and the initiator receives a detection signal output by the temperature detection device (5) and outputs the control signal to the initiator of the thermal aerosol fire extinguishing main body (1);
when a fire occurs, the signal processing device (6) outputs a control signal to an initiator of the hot aerosol fire extinguishing main body (1) when receiving a detection signal output by the temperature detection device (5), and the hot aerosol fire extinguishing main body (1) is started.
2. A hot aerosol fire extinguishing apparatus for nuclear power plant according to claim 1, characterized in that: a plurality of spout (2) include along first spout (3) of main part bottom outside circumference range put out a fire, the bottom of first spout (3) all is towards the main part lateral wall of putting out a fire, a plurality of second spouts (4) that are vertical setting are seted up at main part bottom middle part of putting out a fire.
3. A hot aerosol fire extinguishing apparatus for nuclear power plant according to claim 1, characterized in that: the temperature detection device (5) comprises a thermistor, one end of the thermistor is coupled with a power supply, the other end of the thermistor is coupled with a third resistor, the other end of the third resistor is grounded, and a connection point of the thermistor and the third resistor is coupled with the signal processing device (6) and outputs a temperature detection signal.
4. A hot aerosol fire extinguishing apparatus for nuclear power plant according to claim 3, characterized in that: the signal processing device (6) comprises:
the comparator is coupled to a connection point between the thermistor and the third resistor at the same direction end to receive a temperature detection signal, the reverse end of the comparator is connected to a temperature reference value signal and outputs a control signal, when the temperature detection signal is lower than the temperature reference value signal, the comparator outputs a low level signal, and when the temperature detection signal is higher than the temperature reference value signal, the comparator outputs a high level signal;
and the base electrode of the second triode is coupled with the output end of the comparator, the emitting electrode of the second triode is grounded, and the collector electrode of the second triode is coupled in a power supply loop of an initiator of the hot aerosol fire extinguishing main body (1).
5. A hot aerosol fire extinguishing apparatus for nuclear power plants according to claim 4, characterized in that: further comprising:
a smoke detector (8) connected to the power supply and outputting a smoke detection signal;
and the output end of the comparator and the output end of the smoke detector (8) are respectively coupled to two input ends of the comparator, and the output end of the AND gate circuit is coupled to the base electrode of the second triode and outputs a logic gate signal.
6. A hot aerosol fire extinguishing apparatus for nuclear power plants according to claim 5, characterized in that an alarm device (7) is further provided, said alarm device (7) comprising:
the first triode is an NPN type triode, the base electrode of the first triode is coupled with the output end of the AND gate circuit, the collector electrode of the first triode is coupled with a power supply, and the emission set of the first triode is grounded;
the alarm (9) is connected between the collector of the first triode and a power supply in series;
the excitation coil of the relay is connected in series between the alarm (9) and the collector of the first triode, and the normally open contact of the relay is connected in series between the base of the second triode and the power supply.
7. A hot aerosol fire extinguishing apparatus for nuclear power plants according to claim 6, characterized in that: and a control switch is connected in series between the emission set of the first triode and the grounding end of the first triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921201346.2U CN210750994U (en) | 2019-07-26 | 2019-07-26 | Hot aerosol fire extinguishing device for nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921201346.2U CN210750994U (en) | 2019-07-26 | 2019-07-26 | Hot aerosol fire extinguishing device for nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210750994U true CN210750994U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921201346.2U Expired - Fee Related CN210750994U (en) | 2019-07-26 | 2019-07-26 | Hot aerosol fire extinguishing device for nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210750994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113289301A (en) * | 2021-06-30 | 2021-08-24 | 深圳市万为物联科技有限公司 | Hot aerosol fire extinguisher drive circuit suitable for electric spark starts |
-
2019
- 2019-07-26 CN CN201921201346.2U patent/CN210750994U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113289301A (en) * | 2021-06-30 | 2021-08-24 | 深圳市万为物联科技有限公司 | Hot aerosol fire extinguisher drive circuit suitable for electric spark starts |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |
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| CF01 | Termination of patent right due to non-payment of annual fee |