CN116271646B - Heptafluoropropane fire extinguishing system and application method thereof - Google Patents
Heptafluoropropane fire extinguishing system and application method thereof Download PDFInfo
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- CN116271646B CN116271646B CN202310161230.5A CN202310161230A CN116271646B CN 116271646 B CN116271646 B CN 116271646B CN 202310161230 A CN202310161230 A CN 202310161230A CN 116271646 B CN116271646 B CN 116271646B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The application belongs to the technical field of fire protection, and particularly relates to a heptafluoropropane fire extinguishing system which comprises a gas cylinder, a gas injection assembly and an induction control system. The heptafluoropropane is arranged in the gas cylinder, and a valve is arranged at the bottle mouth of the gas cylinder; the induction control system can induce room fire and control the opening of a gas cylinder valve; the air injection assembly is arranged on the ceiling in the middle of the room and comprises an air injection pipeline and a telescopic mechanism. The air injection pipeline is provided with air injection holes, the air injection pipeline comprises a compression state and an extension state, the air injection holes are closed in the compression state, the air injection holes are opened in the extension state, and the telescopic mechanism can enable the air injection pipeline to be switched between the compression state and the extension state. The jet assembly is arranged on the ceiling in the middle of a room, so that the ejected heptafluoropropane gas can reach a fire source to extinguish the fire as soon as possible; the air injection pipeline is in a compressed state when not in use, the air injection hole is closed, dust, sundries and the like can be prevented from entering the air injection assembly from the air injection hole, and the preservation safety of the air injection assembly is ensured.
Description
Technical Field
The application belongs to the technical field of fire protection, and particularly relates to a heptafluoropropane fire extinguishing system and a use method thereof.
Background
Heptafluoropropane is a clean gas extinguishing agent which mainly takes chemical extinguishment and has physical extinguishment function; the color is colorless, odorless, low in toxicity, nonconductive, free of pollution to the protected object and free of damage to property and precision facilities; the fire disaster of B, C type and electric appliance can be reliably extinguished with lower extinguishing concentration; the storage space is small, the critical temperature is high, the critical pressure is low, and the liquid storage can be realized at normal temperature; no particle or oily residue is contained after release, no damage to the ozone layer of the atmosphere (ODP value is zero), and the residence time in the atmosphere is 31-42 years, thereby meeting the environmental protection requirement. The fire extinguishing device is suitable for extinguishing electric fires, liquid fires or fusible solid fires, solid surface fires, gas fires which can cut off gas sources before fire extinguishing, and can protect places such as computer rooms, communication rooms, power transformation and distribution rooms, precision instrument rooms, power generation rooms, oil houses, chemical inflammables, libraries, graphics libraries, databases, archives, vaults and the like. The heptafluoropropane fire extinguishing system has reasonable structure and reliable action, and is widely applied to important places such as electronic computer rooms, archives, program-controlled exchange rooms, television broadcasting centers, financial institutions, government institutions and the like.
Most of the current heptafluoropropane fire extinguishing systems adopt cabinet type heptafluoropropane fire extinguishing systems, such as a heptafluoropropane fire extinguishing system with patent number of CN213789733U, which is usually placed at corners of a room in order to not occupy excessive space of the room, and if the heptafluoropropane gas in a fire disaster is dispersed to a fire point, a long time is required, so that the fire is not extinguished in time and the fire situation is increased.
Disclosure of Invention
The application aims at solving the technical problems, and provides a heptafluoropropane fire extinguishing system and a using method thereof, which achieve the effects of extinguishing fire by reaching a fire source as soon as possible, ensuring the safety of the preservation of an air injection assembly and enabling the air injection assembly to be smoothly started when the air injection assembly is required to be used.
In view of this, the present application provides a heptafluoropropane fire suppression system comprising:
the gas cylinder is internally provided with heptafluoropropane, and a valve is arranged at the bottle mouth of the gas cylinder;
the air injection assembly is connected with the air bottle valve through a conveying pipe, and heptafluoropropane in the air bottle can be sprayed out from the air injection assembly to a room through the conveying pipe;
the induction control system can induce room fire and control the opening of the gas cylinder valve;
wherein, the jet module sets up on the ceiling at room middle part, and the jet module includes:
the air injection pipeline is provided with air injection holes, the air injection pipeline comprises a compression state and an extension state, the air injection holes are closed in the compression state, the air injection pipeline is isolated from the outside, the extension state enables the air injection holes to be opened, and the air injection pipeline is communicated with the outside through the air injection holes;
and the telescopic mechanism can switch the air injection pipeline between a compressed state and an extended state.
In the technical scheme, the induction control system controls the valve of the gas cylinder to be opened when sensing the ignition in the room, so that the heptafluoropropane in the gas cylinder can be sprayed out from the air injection assembly to the room through the conveying pipe; the air injection assembly is arranged on the ceiling in the middle of the room, and the heptafluoropropane gas sprayed from the air injection assembly can uniformly and synchronously reach all corners of the room and reach a fire source to extinguish the fire as soon as possible; the jet pipeline is compressed when not using, and the jet hole is sealed, and the jet hole is opened only when the jet pipeline reaches the extension state when the telescopic mechanism is used in the fire extinguishing process, so that dust, sundries and the like can be prevented from entering the jet assembly from the jet hole, the preservation safety of the jet assembly is ensured, and the jet assembly can be smoothly started when in use.
Further, the induction control system includes:
a smoke-sensitive fire detector capable of sensing smoke in a room;
the temperature-sensing fire detector can sense abnormal high temperature in a room;
the alarm assembly is connected with the indoor alarm and the outdoor alarm;
the control host can receive signals of the smoke-sensing fire detector and the temperature-sensing fire detector, respectively control the opening and the closing of the indoor alarm and the outdoor alarm according to the signals of the smoke-sensing fire detector and the temperature-sensing fire detector, and can also control the opening and the closing of the valve of the bottle mouth of the gas bottle.
In the technical scheme, when the smoke-sensing fire detector senses smoke in a room, the control host starts an indoor alarm to give an alarm, when the temperature-sensing fire detector senses abnormal high temperature in the room, the control host starts an outdoor alarm of the room, and after the outdoor alarm sounds, the control host starts a valve of a bottle opening of the gas bottle to be opened.
Further, the induction control system further comprises a deflation indicator lamp, the control machine can turn on the deflation indicator lamp when the control valve is turned on, and the deflation indicator lamp is arranged outside a room and used for warning personnel that the person cannot enter.
Further, the jet pipeline comprises a plurality of grading pipes with diameters reduced step by step, each grading pipe is communicated with two ends, each grading pipe is sleeved in the grading pipe with the larger diameter step by step in a sliding mode according to the size of the diameter, the jet holes are formed in the rest grading pipes except the grading pipe with the largest diameter, an anti-slip structure is further arranged between each grading pipe, and the anti-slip structure can prevent the next-stage grading pipe from completely slipping off the previous-stage grading pipe.
Further, the telescopic mechanism includes:
the fixing plate is used for being fixedly connected with the ceiling;
the air injection pipeline is connected with the fixed plate and the sliding plate in parallel, the fixed plate is provided with an air inlet pipe, an air ventilation structure is arranged between the air inlet pipe and the fixed plate, and the air injection pipeline is communicated or isolated with the air inlet pipe through the air ventilation structure;
the bending rod is L-shaped, one end of the bending rod is rotatably connected to the first fixing seat on the fixing plate, and the other end of the bending rod points to the sliding plate;
one end of the connecting rod is rotationally connected to a second fixed seat on the sliding plate, and the other end of the connecting rod is rotationally connected with one end of the bent rod, which points to the sliding plate;
wherein, the bending pole is close to the fixed plate and locally passes the fixed plate and pass through locking structure fixed when the air jet pipeline is in compression state, and locking structure corresponds has unlocking structure, and after locking structure was unlocked by unlocking structure, the bending pole was kept away from the fixed plate because of gravity decline promotes the sliding plate and makes the air jet pipeline switch to the extension state.
Further, the locking structure includes:
the locking hole is formed at the right angle of the bending rod;
the locking rod passes the locking hole, locking rod one end and slide fixed connection, and the slide slides and sets up on the one end terminal surface that the fixed plate kept away from the slide, and the slide is connected with the reset spring who fixedly sets up on the fixed plate terminal surface, reset spring and locking rod are on same straight line, and the locking rod other end wears out the locking hole and outwards has the flexible shell fragment that exceeds the locking hole from the peripheral surface, and above-mentioned unblock structure can extrude flexible shell fragment and withdraw in the locking rod.
Further, be provided with the intake pipe on the one end that the board was slided is kept away from to the fixed plate, the intake pipe is connected with above-mentioned conveyer pipe, unblock structure includes:
the air bag is arranged above the telescopic elastic sheet, and the air bag is filled with air and can extrude the telescopic elastic sheet to retract into the locking rod;
and one end of the air entraining pipe is communicated with the air inlet pipe, and the other end of the air entraining pipe is communicated with the air bag.
In this technical scheme, when there is not the conflagration, the locking lever inserts in the locking hole and flexible shell fragment pops out and can prevent the locking lever by reset spring pulling out the locking hole, then the crooked pole is fixed, the distance between fixed plate and the board that slides is nearest this moment, the jet-propelled pipeline is in compression, the diameter is less the hierarchical pipe of pipe sleeve in the diameter is great, the jet-propelled hole is sealed, when the valve opening of control host computer control gas cylinder bottleneck, then heptafluoropropane is gone into the intake pipe from the gas cylinder through the conveyer pipe, then blow the air bag and make the gasbag extrusion flexible shell fragment retract to in the locking lever after the intake pipe gets into the induced air pipe, then the spring force at reset spring can draw out the locking lever from the locking hole, then the crooked pole drives the connecting rod because of gravity decline and moves the promotion slide board and make jet-propelled pipeline switch to the extension state, namely each diameter is less hierarchical pipe is all followed diameter and is slided in the hierarchical pipe of big jet-propelled to make the jet-propelled hole open, make through ventilation structure between jet-propelled pipeline and the intake pipe, make the seven fluoropropane gas that is gone out from the gas cylinder jet-propelled from each jet-propelled hole of jet-propelled pipeline in the room.
Further, the ventilation structure includes:
the air accommodating cavity is formed in the fixing plate, an air passing port communicated with the air accommodating cavity is formed in the joint of the fixing plate and the air inlet pipe, the air accommodating cavity is communicated with the air injection pipeline, and the diameter of the air passing port is smaller than that of the air inlet pipe;
the transmission gear is fixedly arranged at the end part of the bending rod, which is close to the fixed plate;
the stand, the stand sets up in the intake pipe and extends to in the fixed plate with the fixed plate coaxial, and the slip cap is equipped with the shutoff piece on the stand, the shutoff piece include with the same shutoff board of gas port size and can with transmission gear engagement's rack.
In this technical scheme, when the bending pole rotates and makes fixed plate and slip board keep away from each other, the drive gear of bending pole head can make the rack take the shutoff piece to slide in the intake pipe on the stand along with rotating, make the shutoff board slide in the intake pipe from the shutoff state at the gas port, make heptafluoropropane gas can get into the appearance air cavity from the intake pipe through the gas port, and transmit to the jet-propelled pipeline, along with fixed plate and slip board keep away from each other, every fumarole of jet-propelled pipeline is also opened, then heptafluoropropane gas can spout to the room in from the fumarole, when not needing to put out a fire, the shutoff of shutoff board can prevent dust and debris entering the intake pipe at the gas port, so can protect the intake pipe.
Furthermore, three groups of bending rods are arranged, the three groups of bending rods are arranged around the axis of the fixed plate, each bending rod corresponds to one connecting rod, the part of the plugging piece containing the racks is a mitsubishi, racks are arranged on three sides of the mitsubishi, and the three racks are respectively meshed with the transmission gear at the end part of each bending rod.
Further, the application method of the heptafluoropropane fire extinguishing system comprises the following steps:
s1: the induction control system opens the valve of the gas cylinder after sensing smoke and abnormal high temperature;
s2: after the heptafluoropropane gas in the gas cylinder is dispersed from the conveying pipe, the heptafluoropropane gas enters the gas guiding pipe through the gas inlet pipe and then blows the gas bag to unlock the bending rod to partially penetrate through the locking state of the fixing plate;
s3: after the bending rod is unlocked, the bending rod rotates downwards due to gravity to execute the extension action of the telescopic mechanism, so that the sliding plate moves away from the fixed plate, the air injection pipeline extends, and each air injection hole is opened;
s4: in the execution process of S3, the bending rod rotates downwards due to gravity to simultaneously open the gas passing port communicated with the gas inlet pipe and the gas containing cavity, so that the heptafluoropropane gas can enter the gas containing cavity from the gas inlet pipe and is transmitted to the gas injection pipeline;
s5: after S3 and S4 are completed, heptafluoropropane gas can be sprayed from the gas injection holes to the room.
The beneficial effects of the application are as follows:
1. the induction control system controls the valve of the gas cylinder to be opened when sensing the ignition in the room, so that the heptafluoropropane in the gas cylinder can be sprayed out from the air injection assembly to the room through the conveying pipe; the air injection assembly is arranged on the ceiling in the middle of the room, and the heptafluoropropane gas sprayed from the air injection assembly can uniformly and synchronously reach all corners of the room and reach a fire source to extinguish the fire as soon as possible; the jet pipeline is compressed when not using, and the jet hole is sealed, and the jet hole is opened only when the jet pipeline reaches the extension state when the telescopic mechanism is used in the fire extinguishing process, so that dust, sundries and the like can be prevented from entering the jet assembly from the jet hole, the preservation safety of the jet assembly is ensured, and the jet assembly can be smoothly started when in use.
2. When the bending rod rotates to enable the fixing plate and the sliding plate to be far away from each other, the transmission gear at the head of the bending rod rotates to enable the rack to drive the blocking piece to slide in the air inlet pipe on the upright post, the blocking plate is enabled to slide in the air inlet pipe from a state of blocking the air passing opening, heptafluoropropane gas can enter the air containing cavity from the air inlet pipe through the air passing opening and is transmitted to the air injection pipeline, along with the mutual separation of the fixing plate and the sliding plate, each air injection hole of the air injection pipeline is opened, heptafluoropropane gas can be sprayed into a room from the air injection hole, when fire extinction is not needed, the blocking plate is blocked in the air passing opening, dust and sundries can be prevented from entering the air inlet pipe, and the air inlet pipe can be protected.
Drawings
FIG. 1 is an overall perspective view of a jet assembly in a compressed state of a jet pipe;
FIG. 2 is another perspective view of the overall view of the jet assembly in a compressed state of the jet stack;
FIG. 3 is an overall perspective view of the jet module jet pipe in an extended state;
FIG. 4 is a semi-sectional view of an elongated state of a jet stack;
FIG. 5 is a partial enlarged view A of FIG. 2;
FIG. 6 is a partial enlarged view B of FIG. 3;
the label in the figure is:
1. a jet pipe; 2. a telescoping mechanism; 3. a gas injection hole; 4. a classifying pipe; 5. a fixing plate; 6. a slip plate; 7. bending the rod; 8. a connecting rod; 9. an air inlet pipe; 10. a first fixing seat; 12. the second fixing seat; 13. a locking structure; 14. a locking hole; 15. a locking lever; 16. a slide sheet; 17. a return spring; 18. a telescopic spring plate; 19. an air bag; 20. an air-introducing pipe; 21. a gas-accommodating cavity; 22. a column; 23. a transmission gear; 24. a gas passing port; 25. a blocking member; 26. a rack.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present application, fall within the scope of protection of the present application.
In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
It should be noted that, in the description of the present application, the terms like "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and these orientation terms do not indicate and imply that the apparatus or elements referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
Example 1:
as shown in fig. 1-3, a heptafluoropropane fire suppression system comprises a gas cylinder, a gas injection assembly, and an induction control system. The gas cylinder is internally provided with heptafluoropropane, and a valve is arranged at the bottle mouth of the gas cylinder; the air injection assembly is connected with a valve of the air bottle through a conveying pipe, and heptafluoropropane in the air bottle can be sprayed out from the air injection assembly to a room through the conveying pipe; the induction control system can induce room fire and control the opening of a gas cylinder valve; the jet assembly is arranged on the ceiling in the middle of the room and comprises a jet pipeline 1 and a telescopic mechanism 2. The air injection pipeline 1 is provided with an air injection hole 3, the air injection pipeline 1 comprises a compression state and an extension state, the air injection hole 3 is closed in the compression state, the inside of the air injection pipeline 1 is isolated from the outside, the extension state enables the air injection hole 3 to be opened, and the inside of the air injection pipeline 1 is communicated with the outside through the air injection hole 3; the telescopic mechanism 2 enables the jet pipe 1 to be switched between a compressed state and an extended state. The induction control system controls the valve of the gas cylinder to be opened when sensing the ignition in the room, so that the heptafluoropropane in the gas cylinder can be sprayed out from the air injection assembly to the room through the conveying pipe; the air injection assembly is arranged on the ceiling in the middle of the room, and the heptafluoropropane gas sprayed from the air injection assembly can uniformly and synchronously reach all corners of the room and reach a fire source to extinguish the fire as soon as possible; the air injection pipeline 1 is in a compressed state when not in use, the air injection hole 3 is closed, and the air injection hole 3 is opened only when the air injection pipeline 1 reaches an extension state when the telescopic mechanism 2 is needed to extinguish fire, so that dust, sundries and the like can be prevented from entering the air injection assembly from the air injection hole 3, the preservation safety of the air injection assembly is ensured, and the air injection assembly can be smoothly started when in use.
Example 2:
the induction control system comprises a smoke-sensing fire detector, a temperature-sensing fire detector, an alarm component and a control host. The smoke-sensing fire detector can sense smoke in a room; the temperature-sensing fire detector can sense abnormal high temperature in a room; the alarm component is connected with the indoor alarm and the outdoor alarm; the control host can receive signals of the smoke-sensing fire detector and the temperature-sensing fire detector, respectively control the opening and the closing of the indoor alarm and the outdoor alarm according to the signals of the smoke-sensing fire detector and the temperature-sensing fire detector, and can also control the opening and the closing of the valve of the bottle mouth of the gas bottle. When the smoke-sensing fire detector senses smoke in a room, the control host starts an indoor alarm to give an alarm, and when the temperature-sensing fire detector senses abnormal high temperature in the room, the control host starts an outdoor alarm of the room, and after the outdoor alarm sounds, the control host starts a valve of a bottle opening of the gas bottle to be opened. The induction control system also comprises a deflation indicator lamp, the control system can turn on the deflation indicator lamp when the control valve is turned on, and the deflation indicator lamp is arranged outside a room and used for warning personnel that the person cannot enter.
Example 3:
as shown in fig. 3, the air injection pipeline 1 includes a plurality of classifying pipes 4 with diameters decreasing step by step, each classifying pipe 4 is penetrated at two ends, each classifying pipe 4 is sleeved in the classifying pipe 4 with larger diameter step by step in a sliding manner according to the diameter, the air injection holes 3 are formed in the classifying pipes 4 except the classifying pipe 4 with the largest diameter, an anti-slip structure is further arranged between the classifying pipes 4, and the anti-slip structure can prevent the classifying pipe 4 of the next stage from completely sliding away from the classifying pipe 4 of the previous stage.
The telescopic mechanism 2 comprises a fixed plate 5, a sliding plate 6, a bending rod 7 and a connecting rod 8. The fixing plate 5 is used for being fixedly connected with the ceiling; the sliding plate 6 is arranged below the fixed plate 5 in parallel, two ends of the air injection pipeline 1 are fixedly connected with the fixed plate 5 and the sliding plate 6 respectively, an air inlet pipe 9 is arranged on the fixed plate 5, an air ventilation structure is arranged between the air inlet pipe 9 and the fixed plate 5, and the air injection pipeline 1 is communicated or isolated with the air inlet pipe 9 through the air ventilation structure; the bending rod 7 is L-shaped, one end of the bending rod 7 is rotatably connected to the first fixing seat 10 on the fixing plate 5, and the other end of the bending rod is directed to the sliding plate 6; one end of the connecting rod 8 is rotationally connected to a second fixed seat 12 on the sliding plate 6, and the other end of the connecting rod is rotationally connected with one end of the bending rod 7, which points to the sliding plate 6; when the air injection pipeline 1 is in a compressed state, the bending rod 7 is close to the fixed plate 5 and partially penetrates through the fixed plate 5 to be fixed, the locking structure 13 corresponds to an unlocking structure, and after the locking structure 13 is unlocked by the unlocking structure, the bending rod 7 pushes the sliding plate 6 to be far away from the fixed plate 5 due to the falling of gravity, so that the air injection pipeline 1 is switched to an extension state.
As shown in fig. 2 and 5, the locking structure 13 includes a locking hole 14 and a locking lever 15. The locking hole 14 is formed at the right angle of the bending rod 7; the locking rod 15 passes through the locking hole 14, one end of the locking rod 15 is fixedly connected with the sliding plate 16, the sliding plate 16 is arranged on the end face of the fixed plate 5 far away from the sliding plate 6 in a sliding way, the sliding plate 16 is connected with the return spring 17 fixedly arranged on the end face of the fixed plate 5, the return spring 17 and the locking rod 15 are on the same straight line, the other end of the locking rod 15 passes through the locking hole 14, a telescopic elastic sheet 18 which is higher than the locking hole 14 is outwards extended from the outer circumferential surface, and the unlocking structure can extrude the telescopic elastic sheet 18 to retract into the locking rod 15. The fixed plate 5 is provided with an air inlet pipe 9 at one end far away from the sliding plate 6, the air inlet pipe 9 is connected with the conveying pipe, and the unlocking structure comprises an air bag 19 and an air entraining pipe 20. The air bag 19 is arranged above the telescopic elastic sheet 18, and the air bag 19 is filled with air and can extrude the telescopic elastic sheet 18 to retract into the locking rod 15; the bleed air duct 20 communicates at one end with the inlet duct 9 and at the other end with the air-bag 19.
When no fire occurs, the locking rod 15 is inserted into the locking hole 14, the telescopic elastic sheet 18 is ejected to prevent the locking rod 15 from being pulled out of the locking hole 14 by the reset spring 17, then the bending rod 7 is fixed, at the moment, the distance between the fixing plate 5 and the sliding plate 6 is nearest, the air injection pipeline 1 is in a compressed state, namely, the grading pipe 4 with smaller diameter is sleeved in the grading pipe 4 with larger diameter, the air injection hole 3 is closed, when the control host controls the opening of the valve of the bottle mouth, heptafluoropropane is dispersed from the bottle and enters the air inlet pipe 9 through the conveying pipe, then the air inlet pipe 9 enters the air suction pipe 20, and then the air bag 19 is blown to enable the telescopic elastic sheet 19 to be extruded by the air bag 19 to retract into the locking rod 15, then the spring force of the reset spring 17 can enable the locking rod 15 to be pulled out of the locking hole 14, and then the bending rod 7 drives the connecting rod 8 to move away from the fixing plate 5 due to the descending of gravity, namely, each grading pipe 4 with smaller diameter is sleeved in the grading pipe 4 with the air injection hole 3 with smaller diameter, the air injection pipeline 1 is opened, when the valve 3 is opened, the air injection hole 3 is communicated between the air injection pipeline 1 and the air inlet pipe 9 through the structure, and the air injection hole 3 is communicated through the structure, and the air injection hole 3 is blown from each room 1.
Example 4:
as shown in fig. 3-4 and 6, the ventilation structure includes a plenum 21, a post 22, and a drive gear 23. The fixing plate 5 is internally provided with an air accommodating cavity 21, the connecting part of the fixing plate 5 and the air inlet pipe 9 is provided with an air passing port 24 communicated with the air accommodating cavity 21, the air accommodating cavity 21 is communicated with the air injection pipeline 1, and the diameter of the air passing port 24 is smaller than that of the air inlet pipe 9; the transmission gear 23 is fixedly arranged on the end part of the bending rod 7, which is close to the fixed plate 5; the upright post 22 is arranged in the air inlet pipe 9 and extends into the fixed plate 5 coaxially with the fixed plate 5, a blocking piece 25 is sleeved on the upright post 22 in a sliding way, and the blocking piece 25 comprises a blocking plate with the same size as the air passing port 24 and a rack 26 which can be meshed with the transmission gear 23. The bending rods 7 are provided with three groups, the three groups of bending rods 7 are arranged around the axis of the fixed plate 5, each bending rod 7 is provided with one connecting rod 8, the part of the plugging piece 25 containing the racks 26 is a mitsubishi, the three sides of the mitsubishi are provided with racks 26, and the three racks 26 are respectively meshed with the transmission gear 23 at the end part of each bending rod 7.
When the bending rod 7 rotates to enable the fixing plate 5 and the sliding plate 6 to be far away from each other, the transmission gear 23 at the head of the bending rod 7 rotates to enable the rack 26 to drive the blocking piece 25 to slide into the air inlet pipe 9 on the upright post 22, enable the blocking plate to slide into the air inlet pipe 9 from a state of being blocked at the air passing opening 24, enable the heptafluoropropane gas to enter the air accommodating cavity 21 from the air inlet pipe 9 through the air passing opening 24 and be transmitted to the air injection pipeline 1, enable each air injection hole 3 of the air injection pipeline 1 to be opened along with the mutual distance between the fixing plate 5 and the sliding plate 6, enable the heptafluoropropane gas to be sprayed into a room from the air injection holes 3, enable the blocking plate to be blocked at the air passing opening 24 when fire extinguishing is not needed, prevent dust and sundries from entering the air inlet pipe 9, and protect the air inlet pipe 9.
A method of using a heptafluoropropane fire suppression system comprising the steps of:
s1: the induction control system opens the valve of the gas cylinder after sensing smoke and abnormal high temperature;
s2: after the heptafluoropropane gas in the gas cylinder is dispersed from the conveying pipe, the heptafluoropropane gas enters the gas-guiding pipe 20 through the gas-guiding pipe 9 and then is blown into the gas-blowing bag 19 to unlock the locking state that the bending rod 7 partially passes through the fixed plate 5;
s3: after the bending rod 7 is unlocked, the bending rod rotates downwards due to gravity to execute the extension action of the telescopic mechanism 2, so that the sliding plate 6 moves away from the fixed plate 5, the air injection pipeline 1 extends, and each air injection hole 3 is opened;
s4: in the process of executing S3, the bending rod 7 rotates downwards due to gravity to simultaneously open the gas passing port 24 which communicates the gas inlet pipe 9 and the gas containing cavity 21, so that the heptafluoropropane gas can enter the gas containing cavity 21 from the gas inlet pipe 9 and is transmitted to the air injection pipeline 1;
s5: after S3 and S4 are completed, heptafluoropropane gas can be ejected from the gas ejection holes 3 to the room.
The embodiments of the present application have been described above with reference to the accompanying drawings, in which the embodiments of the present application and features of the embodiments may be combined with each other without conflict, the present application is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present application, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are protected by the present application.
Claims (7)
1. A heptafluoropropane fire suppression system comprising:
the gas cylinder is internally provided with heptafluoropropane, and a valve is arranged at the bottle mouth of the gas cylinder;
the air injection assembly is connected with the air bottle valve through a conveying pipe, and heptafluoropropane in the air bottle can be sprayed out from the air injection assembly to a room through the conveying pipe;
the induction control system can induce room fire and control the opening of the gas cylinder valve;
wherein, the jet module sets up on the ceiling at room middle part, and the jet module includes:
the air injection pipeline (1), an air injection hole (3) is formed in the air injection pipeline (1), the air injection pipeline (1) comprises a compression state and an extension state, the air injection hole (3) is closed in the compression state, the inside of the air injection pipeline (1) is isolated from the outside, the extension state enables the air injection hole (3) to be opened, and the inside of the air injection pipeline (1) is communicated with the outside through the air injection hole (3);
a telescopic mechanism (2), the telescopic mechanism (2) being capable of switching the air injection duct (1) between a compressed state and an extended state;
the telescopic mechanism (2) comprises:
the fixing plate (5) is used for being fixedly connected with the ceiling;
the air injection device comprises a sliding plate (6), wherein the sliding plate (6) is arranged below a fixed plate (5) in parallel, two ends of an air injection pipeline (1) are fixedly connected with the fixed plate (5) and the sliding plate (6) respectively, an air inlet pipe (9) is arranged on the fixed plate (5), an air ventilation structure is arranged between the air inlet pipe (9) and the fixed plate (5), and the air injection pipeline (1) is communicated or isolated with the air inlet pipe (9) through the air ventilation structure;
the bending rod (7) is L-shaped, one end of the bending rod (7) is rotatably connected to the first fixing seat (10) on the fixing plate (5), and the other end of the bending rod is directed to the sliding plate (6);
one end of the connecting rod (8) is rotationally connected to a second fixed seat (12) on the sliding plate (6), and the other end of the connecting rod (8) is rotationally connected with one end of the bending rod (7) pointing to the sliding plate (6);
when the air injection pipeline (1) is in a compressed state, the bending rod (7) is close to the fixed plate (5) and partially penetrates through the fixed plate (5) to be fixed through the locking structure (13), the locking structure (13) is correspondingly provided with an unlocking structure, and after the locking structure (13) is unlocked by the unlocking structure, the bending rod (7) pushes the sliding plate (6) to be far away from the fixed plate (5) due to the falling of gravity so as to enable the air injection pipeline (1) to be switched to an extension state;
the locking structure (13) comprises:
a locking hole (14), wherein the locking hole (14) is arranged at a bending right angle of the bending rod (7);
the locking rod (15), locking rod (15) passes locking hole (14), locking rod (15) one end and slide piece (16) fixed connection, slide piece (16) slip set up on the terminal surface of one end that fixed plate (5) kept away from slide plate (6), slide piece (16) are connected with reset spring (17) fixed on the terminal surface of fixed plate (5), reset spring (17) are on the same straight line with locking rod (15), locking rod (15) other end wears out locking hole (14) and outwards has flexible shell fragment (18) that exceeds locking hole (14) from outer peripheral surface, above-mentioned unblock structure can extrude flexible shell fragment (18) and withdraw into locking rod (15);
the fixed plate (5) is kept away from and is provided with intake pipe (9) on the one end of board (6) that slides, and intake pipe (9) are connected with above-mentioned conveyer pipe, the unblock structure includes:
the air bag (19) is arranged above the telescopic elastic sheet (18), and the air bag (19) is filled with air and can extrude the telescopic elastic sheet (18) to retract into the locking rod (15);
and one end of the air entraining pipe (20) is communicated with the air inlet pipe (9), and the other end of the air entraining pipe is communicated with the air bag (19).
2. A heptafluoropropane fire suppression system according to claim 1, wherein the induction control system comprises:
a smoke-sensitive fire detector capable of sensing smoke in a room;
the temperature-sensing fire detector can sense abnormal high temperature in a room;
the alarm assembly is connected with the indoor alarm and the outdoor alarm;
the control host can receive signals of the smoke-sensing fire detector and the temperature-sensing fire detector, respectively control the opening and the closing of the indoor alarm and the outdoor alarm according to the signals of the smoke-sensing fire detector and the temperature-sensing fire detector, and can also control the opening and the closing of the valve of the bottle mouth of the gas bottle.
3. A heptafluoropropane fire suppression system according to claim 2, wherein the induction control system further comprises a deflation indicator light, the control unit being capable of turning on the deflation indicator light when the control valve is turned on, the deflation indicator light being disposed outside the room for alerting personnel that access is not available.
4. A heptafluoropropane fire extinguishing system according to claim 3, wherein the air injection pipeline (1) comprises a plurality of classifying pipes (4) with diameters gradually reduced, each classifying pipe (4) is communicated at two ends, each classifying pipe (4) is sleeved in the classifying pipe (4) with the larger diameter step by step in a sliding manner according to the diameter, the air injection holes (3) are formed in the classifying pipes (4) except the classifying pipe (4) with the largest diameter, and an anti-slip structure is further arranged between the classifying pipes (4) and can prevent the classifying pipe (4) of the next stage from completely slipping off the classifying pipe (4) of the previous stage.
5. A heptafluoropropane fire suppression system according to claim 4, wherein the vent structure comprises:
the air-containing cavity (21) is formed in the fixing plate (5), an air-containing cavity (21) is formed in the joint of the fixing plate (5) and the air inlet pipe (9), an air-passing port (24) communicated with the air-containing cavity (21) is formed in the joint of the air-containing cavity (21), the air-containing cavity (21) is communicated with the air-injection pipeline (1), and the diameter of the air-passing port (24) is smaller than that of the air inlet pipe (9);
the transmission gear (23) is fixedly arranged on the end part of the bending rod (7) close to the fixed plate (5);
the upright post (22), the upright post (22) is arranged in the air inlet pipe (9) and extends to the inside of the fixed plate (5) coaxially with the fixed plate (5), a sealing piece (25) is sleeved on the upright post (22) in a sliding way, and the sealing piece (25) comprises a sealing plate with the same size as the air passing port (24) and a rack (26) which can be meshed with the transmission gear (23).
6. A heptafluoropropane fire extinguishing system according to claim 5, wherein the bending rods (7) are provided with three groups, the three groups of bending rods (7) are arranged around the axis of the fixing plate (5), each bending rod (7) is provided with a connecting rod (8), the part of the plugging member (25) containing the racks (26) is in a mitsubishi shape, three sides of the mitsubishi shape are provided with racks (26), and the three racks (26) are respectively meshed with the transmission gear (23) at the end part of each bending rod (7).
7. A method of using a heptafluoropropane fire suppression system as claimed in any one of claims 1 to 6, comprising the steps of:
s1: the induction control system opens the valve of the gas cylinder after sensing smoke and abnormal high temperature;
s2: after the heptafluoropropane gas in the gas cylinder is dispersed from the conveying pipe, the heptafluoropropane gas enters the gas guide pipe (20) through the gas inlet pipe (9) and then is blown to the gas bag (19) to unlock the locking state that the bending rod (7) partially passes through the fixed plate (5);
s3: after the bending rod (7) is unlocked, the bending rod rotates downwards due to gravity to execute the extension action of the telescopic mechanism (2), so that the sliding plate (6) moves away from the fixed plate (5), the air injection pipeline (1) extends, and each air injection hole (3) is opened;
s4: in the execution process of S3, the bending rod (7) rotates downwards due to gravity and simultaneously enables the air passing port (24) which is communicated with the air inlet pipe (9) and the air containing cavity (21) to be opened, so that the heptafluoropropane gas can enter the air containing cavity (21) from the air inlet pipe (9) and is transmitted to the air injection pipeline (1);
s5: after S3 and S4 are completed, heptafluoropropane gas can be sprayed from the gas spraying holes (3) to the room.
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