CN214763022U - Linkage fire extinguishing system - Google Patents
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- CN214763022U CN214763022U CN202120989191.4U CN202120989191U CN214763022U CN 214763022 U CN214763022 U CN 214763022U CN 202120989191 U CN202120989191 U CN 202120989191U CN 214763022 U CN214763022 U CN 214763022U
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Abstract
The utility model relates to the technical field of fire, in particular to a linkage fire extinguishing system, which comprises a fire extinguishing device, a floor drain drainage device, a ceiling device and a controller; the floor drain drainage device comprises a drainage pipe and an electromagnetic valve arranged on the drainage pipe; the ceiling device comprises a ceiling opening and an opening and closing mechanism; the fire extinguishing device, the electromagnetic valve and the opening and closing mechanism are all electrically connected with the controller. When the fire extinguishing device extinguishes fire, the controller controls the starting and closing mechanism to open the ceiling opening at the ceiling of the protection area, and controls the closing electromagnetic valve to close the drain pipe of the floor drain device of the protection area, so that heptafluoropropane is quickly filled in the whole protection area consisting of the ceiling layer and the space under the ceiling, the fire extinguishing efficiency is improved, and after the enclosure structure of the protection area bears internal pressure and overpressure, the pressure can be released through the pressure relief port arranged on the side wall in the ceiling, the heptafluoropropane fire extinguishing agent in the protection area can be prevented from losing from the floor drain, the fire extinguishing concentration can be accumulated as soon as possible, and the fire extinguishing effect is achieved.
Description
Technical Field
The utility model belongs to the technical field of the conflagration technique and specifically relates to a linkage fire extinguishing systems is related to.
Background
Heptafluoropropane (HFC-227ea/FM200) is a clean gas chemical fire extinguishing agent which mainly uses chemical fire extinguishing and has physical fire extinguishing function, belongs to polyfluoroalkane, and has a molecular formula of CF3CHFCF 3; it is colorless, odorless, low-toxicity, non-conductive, and does not contaminate the protected object, and does not cause loss to property and precision facilities. The heptafluoropropane can reliably extinguish B, C type fires and electrical fires with lower fire extinguishing concentration; the storage space is small, the critical temperature is high, the critical pressure is low, and the liquefied storage can be realized at normal temperature; the fire extinguishing agent does not contain particles or oily residues after being released, has no destructive effect on the atmospheric ozone layer (ODP value is zero), meets the requirement of environmental protection, has a fire extinguishing mechanism which mainly interrupts a combustion chain and has extremely high fire extinguishing speed, and is favorable for rescuing and protecting precise electronic equipment and valuables.
However, when the existing heptafluoropropane fire extinguishing system is used, the side wall pressure relief opening arranged in the protection area must be located above 2/3 of net height of the protection area, and often conflicts with the installation height of a suspended ceiling. As a heptafluoropropane total flooding fire extinguishing system, a ceiling layer in the same interval also needs to be protected, and when the space under the ceiling is contained in the same protection area, the side wall pressure relief opening is highly influenced by ceiling installation and must be arranged on the side wall in the ceiling, the heptafluoropropane fire extinguishing agent can hardly break through the ceiling to reach the side wall pressure relief opening, or even if the heptafluoropropane fire extinguishing agent can enter the space in the ceiling from a ceiling gap, the speed is slow, the pressure relief is possibly not timely, and the overpressure of the enclosure structure of the protection area is caused or even damaged. In addition, when temperature and humidity requirements exist in a protection area, a precise air conditioner can be arranged, the problem of drainage is solved by a floor drain, but the drainage floor drain can also cause the loss of the heptafluoropropane fire extinguishing agent, so that the fire extinguishing speed is influenced, and the waste is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a linkage fire extinguishing systems to solve the above-mentioned technical problem who exists among the prior art.
In order to solve the technical problem, the utility model provides a linkage fire extinguishing system which comprises a fire extinguishing device, a floor drain drainage device, a ceiling device and a controller; the floor drain drainage device comprises a drainage pipe and an electromagnetic valve arranged on the drainage pipe; the ceiling device comprises a ceiling opening and an opening and closing mechanism for closing or opening the ceiling opening; the fire extinguishing device, the electromagnetic valve and the opening and closing mechanism are all electrically connected with the controller; when the fire extinguishing device starts to extinguish fire, the controller can control to close the electromagnetic valve to close the drain pipe and control to start the opening and closing mechanism to open the suspended ceiling opening.
Furthermore, the fire extinguishing device comprises an exhaust pipe, a valve arranged on the exhaust pipe, a smoke detector and a temperature-sensitive detector; the valve, the smoke detector and the temperature detector are all electrically connected with the controller; when the smoke detector or the temperature-sensitive detector detects that the smoke concentration or the temperature of the protection area is larger than a preset value, the controller can control the valve to be opened so as to start fire extinguishing.
Further, the alarm device also comprises an alarm device; the alarm is electrically connected with the controller; when the fire extinguishing device is started, the controller can control the alarm to alarm.
Further, the device also comprises an indicator light; the indicator light is electrically connected with the controller; when the fire extinguishing device starts, the controller can control to start the indicator light for prompting.
Further, a manual control box is also included; the manual control box is electrically connected with the controller, so that a user can operate the manual control box to perform manual control.
Further, the floor drain drainage device comprises a floor drain; the floor drain is arranged at one end of the drain pipe.
Further, the fire extinguishing device also comprises a control gas cylinder and a fire extinguishing agent cylinder; the fire extinguishing agent bottle is used for storing gas fire extinguishing agents such as heptafluoropropane and the like; control gas such as nitrogen or inert gas is stored in the control gas bottle;
the valve comprises a pneumatic control valve; the pneumatic control valve is arranged on the exhaust pipe; the control port of the pneumatic control valve is connected with the control gas cylinder through a control pipeline, an electromagnetic valve is arranged on the control pipeline and connected with the controller, the control gas cylinder is opened through the electromagnetic valve when the controller senses fire, and the control gas is controlled to open the fire extinguishing agent cylinder through the control pipeline to perform fire extinguishing operation.
Furthermore, the valve also comprises a one-way valve on the exhaust pipe, and the exhaust pipe is provided with a nozzle in a building room.
More preferably, a pressure relief pipeline communicated with the outside of the building is arranged in the suspended ceiling in the building room, and a pressure valve is preferably arranged on the pressure relief pipeline. When the indoor pressure is too high due to fire in the building, the pressure valve is automatically opened, and the gas in the building is discharged through the pressure relief pipeline, so that the pressure relief effect is realized.
Further, the fire extinguishing agent bottle comprises n fire extinguishing agent bottles which are arranged in parallel, wherein n is a natural number which is more than or equal to 2; the ith fire extinguishing agent bottle is communicated with the exhaust pipe through an ith parallel branch, and n is more than or equal to 1; an ith air valve is arranged on the ith parallel branch, and an (i + 1) th valve is arranged on the (i + 1) th parallel branch; the ith air valve and the (i + 1) th valve are both air control valves;
the control port of the (i + 1) th valve is connected with an ith tee joint on the ith parallel branch through a pipeline; the ith tee joint is arranged between the ith fire extinguishing agent bottle and the ith air valve, and when the pressure value in the ith fire extinguishing agent bottle is greater than or equal to a set threshold value, the pressure in the ith parallel branch line forces the (i + 1) th valve to be in a closed state; when the pressure value in the ith fire extinguishing agent bottle is smaller than a set threshold value, the (inner resetting piece) th valve (i + 1) overcomes the air pressure in the ith parallel branch and is restored to an opening state (so as to open the (i + 1) th fire extinguishing agent bottle);
a control port of the ith air valve is communicated with nodes from the (i + 1) th parallel branch to the nth parallel branch through a pipeline; the node is arranged on an (i + 1) th parallel branch between the (i + 1) th valve and the exhaust pipe; when any one of the (i + 1) th fire extinguishing agent bottle to the nth fire extinguishing agent bottle is opened, the ith gas valve is forced to be closed.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
the utility model provides a linkage fire extinguishing systems, floor drain device's solenoid valve is in normally open state, and ceiling device's furred ceiling opening is in normally closed state. When the fire extinguishing device extinguishes fire, the controller controls the starting and closing mechanism to open the ceiling opening at the ceiling of the protection area, and controls the closing electromagnetic valve to close the drain pipe of the floor drain device of the protection area. The open of furred ceiling can make heptafluoropropane be full of the whole guard area that the space constitutes under furred ceiling layer and the furred ceiling fast, improves the efficiency of putting out a fire, also be convenient for bear the internal pressure superpressure back when guard area envelope, the pressure release mouth pressure release that sets up on the side wall in the accessible furred ceiling can not let envelope suffer destruction because of the superpressure. The closing of the drain pipe of the floor drain can ensure that the heptafluoropropane fire extinguishing agent in the protection area is not lost from the floor drain, and the fire extinguishing concentration can be accumulated as soon as possible, so that the fire extinguishing effect is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a linked fire extinguishing system provided in embodiment 1 of the present invention;
fig. 2 is a working principle diagram of the linkage fire extinguishing system provided by embodiment 2 of the present invention.
Reference numerals:
1-a controller; 2-floor drain; 3-an electromagnetic valve;
4-a ceiling device; 5-an alarm; 6-indicator light;
7-manual control box; 8-a nozzle; 9-a temperature-sensitive detector;
10-a smoke detector; 11-an exhaust pipe; 12-a valve;
12 a-a one-way valve; 12 b-a pneumatic control valve; 12 c-a solenoid valve;
13-bottle holder; 14-a fire suppressant bottle; and 15-controlling the gas cylinder.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be further explained with reference to specific embodiments.
Example 1
As shown in fig. 1, the linked fire extinguishing system provided by the embodiment includes a fire extinguishing apparatus, a floor drain drainage apparatus, a ceiling apparatus 4 and a controller 1; the drainage device of the floor drain 2 comprises a drainage pipe and an electromagnetic valve 3 arranged on the drainage pipe; the ceiling device 4 includes a ceiling opening and an opening and closing mechanism for closing or opening the ceiling opening; particularly, be provided with the furred ceiling opening on the furred ceiling, the furred ceiling opening part pin joint has the plate body that covers the furred ceiling opening, and closing mechanism can be hydraulic pressure, atmospheric pressure or electric drive mechanism, for example step motor, cylinder or pneumatic cylinder etc. for promote the plate body swing and rotate and then can realize opening or closing of furred ceiling opening.
The fire extinguishing device, the electromagnetic valve 3 and the opening and closing mechanism are all electrically connected with the controller 1; when the fire extinguishing apparatus starts extinguishing a fire, the controller 1 can control the closing solenoid valve 3 to close the drain pipe and the starting opening and closing mechanism to open the ceiling opening.
The linkage system that this embodiment provided is applicable to heptafluoropropane and submerges extinguishing systems entirely, and the ceiling layer in same interval needs the protection to contain in same guard space with the space under the ceiling. According to the linkage fire extinguishing system provided by the embodiment, the electromagnetic valve 3 of the floor drain device is in a normally open state, and the ceiling opening of the ceiling device 4 is in a normally closed state. When the fire extinguishing apparatus extinguishes fire, the controller 1 controls to start the opening and closing mechanism to open the ceiling opening at the ceiling of the protection area, and controls to close the electromagnetic valve 3 to close the drain pipe of the floor drain device of the protection area. The open of furred ceiling can make heptafluoropropane be full of the whole guard area that the space constitutes under furred ceiling layer and the furred ceiling fast, improves the efficiency of putting out a fire, also be convenient for bear the internal pressure superpressure back when guard area envelope, the pressure release mouth pressure release that sets up on the side wall in the accessible furred ceiling can not let envelope suffer destruction because of the superpressure. The closing of the floor drain pipe can ensure that the heptafluoropropane fire extinguishing agent in the protection area does not lose from the floor drain 2, and the fire extinguishing concentration can be accumulated as soon as possible, so that the fire extinguishing effect is achieved.
Wherein, suspended ceiling device 4's closing mechanism is prior art, as long as realize that automatic control starts in order to open or close the furred ceiling opening all can, for example, closing mechanism includes actuating mechanism and furred ceiling board, thereby actuating mechanism drive furred ceiling board removes and closes or open the furred ceiling opening in order to cover or break away from the furred ceiling opening, and actuating mechanism is motor, gear, rack and apron, motor drive gear, gear drive rack, rack drive furred ceiling board motion is in order to open or close the furred ceiling opening.
Further, the fire extinguishing device comprises an exhaust pipe 11, a valve 12 arranged on the exhaust pipe 11, a smoke detector 10 and a temperature detector 9; the valve 12, the smoke detector 10 and the temperature detector 9 are all electrically connected with the controller 1; when the smoke detector 10 or the temperature-sensitive detector 9 detects that the smoke concentration or the temperature of the protection area is greater than a preset value, the controller 1 can control to open the valve 12 to start fire extinguishing.
In this embodiment, smoke detector 10 and temperature-sensitive detector 9 monitor the flue gas concentration and the temperature in the protected area respectively, and when the flue gas concentration in the protected area exceeded preset numerical value or when the temperature in the protected area exceeded preset numerical value, it explains that there is the conflagration this moment, and controller 1 control opens valve 12 on extinguishing device's the blast pipe 11 this moment to make fire extinguishing gas (heptafluoropropane) put out a fire through putting into the protected area through blast pipe 11, realize in time putting out a fire, improve the security performance.
Further, the alarm device also comprises an alarm 5; the alarm 5 is electrically connected with the controller 1; when the fire extinguishing apparatus is started, the controller 1 can control the starting alarm 5 to give an alarm, so that the timely alarm prompt of workers is realized. The alarm 5 may be an audible and visual alarm 5.
Further, an indicator light 6 is also included; the indicator lamp 6 is electrically connected with the controller 1; when the fire extinguishing apparatus is started, the controller 1 can control the start indicator lamp 6 to prompt.
Further, a manual control box 7 is also included; the manual control box 7 is electrically connected with the controller 1, so that a user can operate the manual control box 7 for manual control. The user can manually control the opening and closing mechanism of the electromagnetic valve 3 and the ceiling device 4 of the floor drain device by manually operating the manual control box 7.
Specifically, the floor drain drainage device comprises a floor drain 2; the floor drain 2 is arranged at one end of the drain pipe, when the electromagnetic valve 3 is closed, the drain pipe is in a closed state, and the fire extinguishing gas in the protection area cannot flow out from the floor drain 2 through the drain pipe.
Specifically, the fire extinguishing apparatus further includes a control gas cylinder 15, and a fire extinguishing agent cylinder 14 for storing a gaseous fire extinguishing agent such as heptafluoropropane, a cylinder holder 13, a nozzle 8, and the like.
The control gas bottle 15 stores nitrogen or safer inert gas.
The valve 12 may be a valve set or a single control valve, in this embodiment, including a check valve 12a and a pneumatic valve 12 b; the pneumatic control valve is arranged on the exhaust pipe 11 and at the bottle mouth of the fire extinguishing agent bottle 14, the air inlet of the pneumatic control valve is hermetically connected with the bottle mouth of the fire extinguishing agent bottle 14, the air outlet of the pneumatic control valve is connected with the exhaust pipe, the control port of the pneumatic control valve is connected with the control gas bottle 15 through a control pipeline, the control pipeline and the bottle mouth of the control gas bottle 15 are provided with electromagnetic valves 12c, the electromagnetic valves are connected with the controller 1, when the controller 1 senses a fire condition through a temperature-sensitive detector or a smoke-sensitive detector, the electromagnetic valves are opened, control gas in the control gas bottle passes through the control pipeline to open the fire extinguishing agent bottle 14, and the fire extinguishing agent in the fire extinguishing agent bottle 14 is sprayed out through the exhaust pipe and the nozzle to carry out fire extinguishing operation.
More preferably, a pressure relief pipeline communicated with the outside of the building is arranged in the suspended ceiling, and a pressure valve is preferably arranged on the pressure relief pipeline. When the indoor pressure is too high due to fire in the building, the pressure valve is automatically opened, and the gas in the building is discharged through the pressure relief pipeline, so that the pressure relief effect is realized.
The linkage device in the embodiment comprises two parts, wherein one part is an openable suspended ceiling, the other part is a closable floor drain pipe and is linked with an automatic fire alarm system, the suspended ceiling is opened during fire, the floor drain pipe is closed, and meanwhile, a protection area sprays heptafluoropropane gas fire extinguishing agent, so that the fire extinguishing agent is free of obstacles and leakage, the whole protection area is quickly filled with the fire extinguishing agent, the fire extinguishing design concentration is accumulated, the fire extinguishing effect is achieved, the pressure of an enclosure structure in the protection area can be relieved through a pressure relief opening in the suspended ceiling after overpressure of the enclosure structure is guaranteed, and the enclosure structure cannot be damaged due to overpressure.
Example 2
The principle of the present embodiment is basically the same as that of embodiment 1, except that:
as shown in fig. 2, the fire extinguishing apparatus includes n fire extinguishing agent bottles 14 arranged in parallel, where n is a natural number greater than or equal to 2; wherein, the ith fire extinguishing agent bottle 14i is communicated with the exhaust pipe 11 through an ith parallel branch Bi, and n is more than or equal to 1.
An ith air valve Qi is arranged on the ith parallel branch Bi, and an ith +1 th valve is arranged on the (i + 1) th parallel branch; the ith air valve and the (i + 1) th valve are both air control valves;
the control port of the (i + 1) th valve Fi +1 is connected with an ith tee joint Si on the ith parallel branch through a pipeline; the ith tee joint is arranged between the ith fire extinguishing agent bottle and the ith air valve, and when the pressure value in the ith fire extinguishing agent bottle is greater than or equal to a set threshold value, the pressure in the ith parallel branch line forces the (i + 1) th valve to be in a closed state; when the pressure value in the ith fire extinguishing agent bottle is smaller than a set threshold value, a resetting piece in the (i + 1) th valve overcomes the air pressure in the ith parallel branch and restores to an opening state, and then the (i + 1) th fire extinguishing agent bottle is opened; and the (i + 1) th fire extinguishing agent bottle replaces the (i) th fire extinguishing agent bottle to supply fire extinguishing agent into the exhaust pipe.
The ith air valve is normally open, and a control port of the ith air valve is communicated with nodes from the (i + 1) th parallel branch to the nth parallel branch through a pipeline; the node on the (i + 1) th parallel branch is arranged between the (i + 1) th valve and the exhaust pipe (preferably, the node is arranged at the outlet of the (i + 1) th valve); when any one of the (i + 1) th fire extinguishing agent bottle to the nth fire extinguishing agent bottle is opened, the ith gas valve is forced to be closed.
Thereby realizing the replacing work among a plurality of fire extinguishing agent bottles. When a plurality of relatively independent indoor spaces 50 are provided in a building, the nozzle 8 of each indoor space 50 is connected to the exhaust pipe 11 through an independent introduction line, and a valve body 12d is provided on the introduction line, and when a fire occurs in one indoor space 50, the controller 1 opens the pneumatic control valves 12b of all the fire extinguishing agent bottles with nitrogen through the electromagnetic valve 12c, and simultaneously opens the valve body 12d on the introduction line of the firing indoor space 50, so that the fire extinguishing agent is sprayed into the indoor space to perform fire extinguishing work.
In the prior art, a plurality of fire extinguishing agent bottles work simultaneously and synchronously output the fire extinguishing agent to a certain indoor space, and when other indoor spaces are ignited or other fires occur, because the storage of the fire extinguishing agent is insufficient, the continuous fire extinguishing operation can not be realized.
This embodiment passes through control system, can open a plurality of fire extinguishing agent bottles in order, when realizing effectively putting out a fire, has realized the effective deposit of fire extinguishing agent, can last or a lot of discontinuous ground carry out the operation of putting out a fire to a plurality of indoor spaces. After a certain extinguishing agent bottle is used, the extinguishing agent bottle can be replaced, and the continuous fire extinguishing operation of the whole system cannot be influenced in the replacement process.
More preferably, the pneumatic control valve 12b is also provided with a manual opening switch for manually closing and opening the pipeline during replacement.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A linkage fire extinguishing system is characterized by comprising a fire extinguishing device, a floor drain drainage device, a ceiling device and a controller;
the floor drain drainage device comprises a drainage pipe and an electromagnetic valve arranged on the drainage pipe; the ceiling device comprises a ceiling opening and an opening and closing mechanism for closing or opening the ceiling opening;
the fire extinguishing device, the electromagnetic valve and the opening and closing mechanism are all electrically connected with the controller; when the fire extinguishing device starts to extinguish fire, the controller can control to close the electromagnetic valve to close the drain pipe and control to start the opening and closing mechanism to open the suspended ceiling opening.
2. The linked fire extinguishing system according to claim 1, wherein the fire extinguishing device includes an exhaust pipe, a valve provided on the exhaust pipe, a smoke detector, and a temperature detector;
the valve, the smoke detector and the temperature detector are all electrically connected with the controller; when the smoke detector or the temperature-sensitive detector detects that the smoke concentration or the temperature of the protection area is larger than a preset value, the controller can control the valve to be opened so as to start fire extinguishing.
3. The linked fire suppression system of claim 1, further comprising an alarm; the alarm is electrically connected with the controller; when the fire extinguishing device is started, the controller can control the alarm to alarm.
4. The linked fire suppression system of claim 1, further comprising an indicator light; the indicator light is electrically connected with the controller; when the fire extinguishing device starts, the controller can control to start the indicator light for prompting.
5. The linked fire suppression system of claim 1, further comprising a manual control box; the manual control box is electrically connected with the controller, so that a user can operate the manual control box to perform manual control.
6. The linked fire suppression system of claim 1, wherein said floor drain drainage device comprises a floor drain; the floor drain is arranged at one end of the drain pipe.
7. The linked fire suppression system of claim 2, wherein said fire suppression apparatus further comprises a control gas cylinder and a fire suppressant cylinder; the fire extinguishing agent bottle is used for storing gas fire extinguishing agents such as heptafluoropropane and the like; control gas such as nitrogen or inert gas is stored in the control gas bottle;
the valve comprises a pneumatic control valve; the pneumatic control valve is arranged on the exhaust pipe; the control port of the pneumatic control valve is connected with the control gas cylinder through a control pipeline, an electromagnetic valve is arranged on the control pipeline and connected with the controller, the control gas cylinder is opened through the electromagnetic valve when the controller senses fire, and the control gas is controlled to open the fire extinguishing agent cylinder through the control pipeline to perform fire extinguishing operation.
8. The linked fire suppression system of claim 2, wherein said valve further comprises a one-way valve on said exhaust pipe, the exhaust pipe being provided with a nozzle within a building room.
9. A linked fire suppression system according to claim 1, wherein a pressure relief line is provided in the ceiling inside the building room in communication with the outside of the building, preferably with a pressure valve.
10. The linked fire extinguishing system according to claim 7, comprising n fire extinguishing agent bottles arranged in parallel, wherein n is a natural number greater than or equal to 2; the ith fire extinguishing agent bottle is communicated with the exhaust pipe through an ith parallel branch, and n is more than or equal to 1; an ith air valve is arranged on the ith parallel branch, and an (i + 1) th valve is arranged on the (i + 1) th parallel branch; the ith air valve and the (i + 1) th valve are both air control valves;
the control port of the (i + 1) th valve is connected with an ith tee joint on the ith parallel branch through a pipeline; the ith tee joint is arranged between the ith fire extinguishing agent bottle and the ith air valve, and when the pressure value in the ith fire extinguishing agent bottle is greater than or equal to a set threshold value, the pressure in the ith parallel branch line forces the (i + 1) th valve to be in a closed state; when the pressure value in the ith fire extinguishing agent bottle is smaller than a set threshold value, the (i + 1) th valve overcomes the air pressure in the ith parallel branch and recovers to an open state;
a control port of the ith air valve is communicated with nodes from the (i + 1) th parallel branch to the nth parallel branch through a pipeline; the node is arranged on an (i + 1) th parallel branch between the (i + 1) th valve and the exhaust pipe; when any one of the (i + 1) th fire extinguishing agent bottle to the nth fire extinguishing agent bottle is opened, the ith gas valve is forced to be closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120989191.4U CN214763022U (en) | 2021-05-10 | 2021-05-10 | Linkage fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120989191.4U CN214763022U (en) | 2021-05-10 | 2021-05-10 | Linkage fire extinguishing system |
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| Publication Number | Publication Date |
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| CN214763022U true CN214763022U (en) | 2021-11-19 |
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| CN202120989191.4U Active CN214763022U (en) | 2021-05-10 | 2021-05-10 | Linkage fire extinguishing system |
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| CN (1) | CN214763022U (en) |
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2021
- 2021-05-10 CN CN202120989191.4U patent/CN214763022U/en active Active
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