CN212347519U - Gas type active explosion suppression device - Google Patents
Gas type active explosion suppression device Download PDFInfo
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- CN212347519U CN212347519U CN201921928838.1U CN201921928838U CN212347519U CN 212347519 U CN212347519 U CN 212347519U CN 201921928838 U CN201921928838 U CN 201921928838U CN 212347519 U CN212347519 U CN 212347519U
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Abstract
The utility model provides a gas type active explosion suppression device, which structurally comprises a gas cylinder, an opening mechanism, a sealing diaphragm, an electronic trigger, a guide elbow and a nozzle; the gas cylinder is connected with the opening mechanism by screw thread, the sealing diaphragm is arranged in the opening mechanism, the electronic trigger is arranged on the opening mechanism base, and the opening mechanism is connected with the nozzle by a guide elbow; the electronic trigger is connected with the matched sensor, the controller and the power supply through cables. The utility model can spray heptafluoropropane fire extinguishing medium rapidly and efficiently within 20 milliseconds, extinguish burning flame and inhibit explosion at the initial stage of a fire source; the remote detection, automatic control, fire extinguishing, explosion suppression and explosion suppression are integrated, concepts such as environmental protection, zero pollution, zero toxicity and the like are combined, the safety is high, and the explosion-proof level reaches the ia level.
Description
Technical Field
The utility model relates to an explosion suppression device, concretely relates to gaseous formula initiative explosion suppression device of high-efficient clean safety.
Background
The active explosion suppression device in the prior industry adopts a gas production type technical route, an explosion type burst membrane is sprayed, an ultraviolet photoelectric tube is adopted for detection, the self-discharge phenomenon exists, the anti-interference capability is poor, the fire extinguishing medium is selected from dry powder, carbon dioxide and water, and different media are applied to different application scenes. The main deficiencies are represented by: the dry powder used as the fire extinguishing medium is easy to cause powder pollution and difficult to clean; the carbon dioxide gas is adopted for extinguishing fire, so that the fire extinguishing efficiency is low, the thermal stability is low, the internal pressure is quickly expanded when the temperature is increased, the fire extinguishing agent is dangerous, the specific gravity is higher than that of air, and suffocation and death are easily caused in places with people; the water mist mode is not applicable outdoors in winter in the north. The detection mode of adopting the ultraviolet phototube in the detection mode has weak stability and anti-interference capability, and can cause misoperation.
SUMMERY OF THE UTILITY MODEL
To the aforesaid not enough, the utility model discloses an it provides an initiative gaseous explosion suppression device to improve the technical route of current explosion suppression device, from all-round comprehensive consideration such as sensor, fire extinguishing agent, control system to reduce device self danger coefficient in hope, make safe, high-efficient, clear initiative explosion suppression extinguishing device, the guarantee is engaged in the safety of high-risk trade personnel and relevant equipment.
In order to achieve the above purpose, the utility model adopts the following technical scheme: providing a gas type active explosion suppression device, wherein the explosion suppression device consists of a gas cylinder, a sealing diaphragm, an electronic trigger, a guide elbow and a nozzle; the gas cylinder is connected with the opening mechanism by screw thread, the sealing diaphragm is arranged in the opening mechanism, the electronic trigger is arranged on the opening mechanism base, and the opening mechanism is connected with the nozzle by a guide elbow; the electronic trigger is connected with the matched sensor, the controller and the power supply through cables.
The utility model adopts a pressure storage technical route, the pressure storage type technical explosion suppression gas cylinder adopts a pressure-bearing 30Mpa seamless steel cylinder, pressure monitoring is provided, when the pressure is lower than 6Mpa, the system alarms and cuts off the power supply so as to ensure that the product is in an effective state; the spraying mode adopts a porous hemispherical spray head, the spray head is connected with an explosion suppressor opening mechanism by a 90-degree DN40 elbow, the number of hemispherical spray holes is not less than 10, the spray holes are circularly and uniformly distributed, the aperture is designed to be 2-4mm, and the fog surface can effectively realize the full coverage of a cone angle of 180 degrees.
The fire extinguishing medium is prepared by mixing gaseous heptafluoropropane and nitrogen in a proportion of 80-20%, the total weight of the gaseous medium is 10-14kg, the internal pressure is 6-10Mpa, and the gaseous medium is stored in an explosion suppressor gas cylinder. The gas explosion suppression medium is clean gas, is free from cleaning after spraying, meets the environmental protection requirement, is internationally recognized as clean and safe and is allowed to be used in places with people.
The explosion suppressor opening mechanism adopts an electronic trigger for military use to obliquely puncture the center of a stainless steel sealing diaphragm, opens a spraying channel, can quickly open an explosion suppressor outlet within 5ms, and has extremely fast response time and very high safety.
The flame sensor adopts a purple and infrared double-spectrum detection mode, a solar blind filter lens is adopted as a sensor window, only 245-plus 260nm ultraviolet light is allowed to pass through, infrared light is not influenced to pass through, and the infrared photosensitive tube is used for judging the flame temperature and the energy at the initial explosion stage and is used for rechecking a flame signal to improve the stability. The sensor comprises a microprocessor, an ultraviolet tube, an ultraviolet signal special processing circuit, a lead sulfide infrared photosensitive tube and an infrared signal special processing circuit. When the microprocessor receives signals transmitted by the infrared processing circuit and the ultraviolet processing circuit, the microprocessor compares the acquired signals with fire characteristic signals, and outputs fire alarm signals to the controller through the CAN bus when the fire characteristic signals are met.
The controller monitors the working state of each component of the whole system in real time, has the functions of automatic detection and fault diagnosis, and is provided with a fire alarm or fault indicator lamp for prompting, thereby being convenient for timely carrying out corresponding treatment. The controller has a flame sensor fire alarm signal recognition function; the emergency manual operation function is provided; the CAN bus communication function inside and outside the CAN bus is realized; the system has the functions of memorizing the working state and events of the system; the fire extinguishing and explosion suppression device has the functions of quickly driving the fire extinguishing and explosion suppression assembly to work, driving the audible and visual alarm to give an alarm, uploading the working state of the system to the display and control terminal in real time and the like.
The power supply has an input voltage of 127V, a voltage stabilizing circuit is arranged in the power supply, and the power supply can receive plus and minus 25% voltage fluctuation; the internal part of the power supply is provided with a three-level voltage-stabilizing current-limiting circuit module which can effectively control the power of the power supply and realize the function of overvoltage and overcurrent self-power-off protection; the power supply has 5 paths of output, and each path of output has 10V direct-current voltage; the output end of the circuit is connected with an aluminum shell current-limiting resistor in series, and the highest temperature is lower than 80 ℃, so that the power supply meets the intrinsic safety Ex ia explosion-proof requirement; the power supply uses an explosion-proof shell, is provided with an independent wiring cavity, and adopts an explosion-proof cable to introduce a locking piece, so that the stable connection and the sealing effect are realized; the power supply can drive 2-4 paths of flame sensors, 2-4 paths of explosion suppressors and a controller.
The utility model has the advantages that: the heptafluoropropane fire extinguishing medium can be rapidly and efficiently sprayed within 20 milliseconds, burning flames are extinguished, and explosion is inhibited at the initial stage of a fire source; the device avoids the defects of secondary pollution of active explosion suppression devices such as dry powder, carbon dioxide, water mist and the like, overlarge tank body pressure fluctuation, low temperature, suffocation and inadaptation to northern climatic environments, integrates remote detection, automatic control, fire extinguishing and explosion suppression, combines the concepts of environmental protection, zero pollution, zero toxicity and the like, and has high self-safety and explosion-proof grade reaching ia level.
Drawings
FIG. 1 is a schematic view of the installation of a gas type active explosion suppression device;
FIG. 2 is a schematic diagram of a gas type active explosion suppression device;
FIG. 3 is a structural view I of a spray head of the explosion suppression device;
FIG. 4 is a structural diagram II of a nozzle of the explosion suppression device;
FIG. 5 is a schematic diagram of the operation of the power supply;
FIG. 6 is a schematic diagram of sensor operation;
fig. 7 is a schematic diagram of the operation of the controller.
In the figure: 1. a power source; 2. a controller; 4. an explosion suppression device; 3. a sensor; 5. a gas cylinder; 6. an electronic trigger; 7. a nozzle; 8. a guide elbow; 9. and sealing the membrane.
Detailed Description
As shown in fig. 1 and 2, a gas type active explosion suppression device is provided, wherein the explosion suppression device 4 consists of a gas cylinder 5, an electronic trigger 6, a nozzle 7, a guide elbow 8 and a sealing diaphragm 9; the gas cylinder 5 is connected with the opening mechanism by screw thread, the sealing diaphragm 9 is arranged in the opening mechanism, the electronic trigger 6 is arranged on the opening mechanism base, and the opening mechanism is connected with the nozzle 6 by the guide elbow 8; the electronic trigger 6 is connected with the matched sensor 3, the controller 2 and the power supply 1 through cables. The opening mechanism of the explosion suppression device 4 is controlled by an electromagnetic valve, and the explosion suppression device can be quickly opened within 2ms by adopting a mode that a spring stores energy to puncture a diaphragm, so that the explosion suppression device has extremely quick response time and high safety.
The pressure storage type technical explosion suppression gas cylinder adopts a pressure-bearing 30Mpa seamless steel cylinder, has pressure monitoring, and can alarm and cut off the power when the pressure is lower than 6Mpa so as to ensure that the product is in an effective state; the spraying mode adopts a porous hemispherical spray head, the spray head is connected with an explosion suppressor opening mechanism by a 90-degree DN40 elbow, the number of hemispherical spray holes is not less than 10, the spray holes are circularly and uniformly distributed, the aperture is designed to be 2-4mm, the fog surface can effectively realize the full coverage of a cone angle of 180 degrees, the fog surface can continuously spray for more than 950 milliseconds, the spraying efficiency reaches 99.5%, and the structure is shown in figures 3 and 4.
As shown in fig. 5, the power supply 1 used in the present invention has an input voltage of 127V, and a voltage stabilizing circuit is provided inside the power supply, which can receive positive and negative 25% voltage fluctuation; the internal part of the power supply is provided with a three-level voltage-stabilizing current-limiting circuit module which can effectively control the power of the power supply and realize the function of overvoltage and overcurrent self-power-off protection; the power supply has 5 paths of output, and each path of output has 10V direct-current voltage; the output end of the circuit is connected with an aluminum shell current-limiting resistor in series, and the highest temperature is lower than 80 ℃, so that the power supply meets the intrinsic safety Ex ia explosion-proof requirement; the power supply uses an explosion-proof shell, is provided with an independent wiring cavity, and adopts an explosion-proof cable to introduce a locking piece, so that the stable connection and the sealing effect are realized; the power supply can drive 2-4 paths of flame sensors, 2-4 paths of explosion suppressors and a controller.
As shown in FIG. 6, the flame sensor adopts a purple and infrared dual-spectrum detection, a solar blind filter lens is used as a sensor window, ultraviolet light of 245-260nm is allowed to pass through, but infrared light is not affected to pass through, and the infrared light sensitive tube is used for judging the flame temperature and energy at the initial explosion stage and for rechecking the flame signal to improve the stability. The sensor comprises a microprocessor, an ultraviolet tube, an ultraviolet signal special processing circuit, a lead sulfide infrared photosensitive tube and an infrared signal special processing circuit. When the microprocessor receives signals transmitted by the infrared processing circuit and the ultraviolet processing circuit, the microprocessor compares the acquired signals with fire characteristic signals, and outputs fire alarm signals to the controller through the CAN bus when the fire characteristic signals are met.
As shown in fig. 7, the controller monitors the working state of each component of the whole system in real time, has the functions of automatic detection and fault diagnosis, and is prompted by a fire alarm or fault indicator lamp, so that corresponding treatment can be conveniently and timely performed. The controller has a flame sensor fire alarm signal recognition function; the emergency manual operation function is provided; the CAN bus communication function inside and outside the CAN bus is realized; the system has the functions of memorizing the working state and events of the system; the fire extinguishing and explosion suppression device has the functions of quickly driving the fire extinguishing and explosion suppression assembly to work, driving the audible and visual alarm to give an alarm, uploading the working state of the system to the display and control terminal in real time and the like.
Claims (7)
1. A gaseous formula initiative explosion suppression device which characterized in that: the structure of the device consists of a gas cylinder, a sealing membrane, an electronic trigger, a guide elbow and a nozzle; the gas cylinder is connected with the opening mechanism by screw thread, the sealing diaphragm is arranged in the opening mechanism, the electronic trigger is arranged on the opening mechanism base, and the opening mechanism is connected with the nozzle by a guide elbow; the electronic trigger is connected with the matched sensor, the controller and the power supply through cables.
2. A gaseous active explosion suppression device according to claim 1, wherein: the gas cylinder adopts a pressure-bearing 30Mpa seamless steel cylinder, has pressure monitoring, and gives an alarm and cuts off the power supply when the pressure is lower than 6 Mpa.
3. A gaseous active explosion suppression device according to claim 1, wherein: the nozzle is a multi-hole hemispherical nozzle, the nozzle is connected with an explosion suppressor opening mechanism through a 90-degree DN40 guide elbow, the number of hemispherical spray holes is not less than 10, the nozzles are circularly and uniformly distributed, the aperture is designed to be 2-4mm, and the fog face can effectively realize 180-degree cone angle full coverage.
4. A gaseous active explosion suppression device according to claim 1, wherein: the total weight of the gas medium in the gas cylinder is 10-14kg, the internal pressure is 6-10Mpa, and the gas medium is stored in the gas cylinder of the explosion suppressor.
5. A gaseous active explosion suppression device according to claim 1, wherein: the sensor adopts a purple and infrared double-spectrum detection mode, a sensor window adopts a solar blind filter lens and only allows 245-260nm ultraviolet light to pass through; the sensor comprises a microprocessor, an ultraviolet tube, an ultraviolet signal special processing circuit, a lead sulfide infrared photosensitive tube and an infrared signal special processing circuit.
6. A gaseous active explosion suppression device according to claim 1, wherein: the controller has the functions of flame sensor fire alarm signal recognition, emergency manual operation, internal and external CAN bus communication, system working state and event memory, quick drive of the fire extinguishing and explosion suppression component, drive of the audible and visual alarm for alarming, real-time uploading of the system working state to the display and control terminal and the like.
7. A gaseous active explosion suppression device according to claim 1, wherein: the power supply has an input voltage of 127V, a voltage stabilizing circuit is arranged in the power supply, and the power supply can receive plus and minus 25% voltage fluctuation; the internal part of the power supply is provided with a three-stage voltage-stabilizing current-limiting circuit module, the power supply has 5 paths of output, and each path of output has 10V direct-current voltage; the output end of the circuit is connected with an aluminum shell current-limiting resistor in series, and the highest temperature is lower than 80 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921928838.1U CN212347519U (en) | 2019-11-11 | 2019-11-11 | Gas type active explosion suppression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921928838.1U CN212347519U (en) | 2019-11-11 | 2019-11-11 | Gas type active explosion suppression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212347519U true CN212347519U (en) | 2021-01-15 |
Family
ID=74137676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921928838.1U Active CN212347519U (en) | 2019-11-11 | 2019-11-11 | Gas type active explosion suppression device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212347519U (en) |
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2019
- 2019-11-11 CN CN201921928838.1U patent/CN212347519U/en active Active
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