CN210933547U - Aerosol fire extinguishing device capable of bidirectionally relieving pressure - Google Patents
Aerosol fire extinguishing device capable of bidirectionally relieving pressure Download PDFInfo
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- CN210933547U CN210933547U CN201921855475.3U CN201921855475U CN210933547U CN 210933547 U CN210933547 U CN 210933547U CN 201921855475 U CN201921855475 U CN 201921855475U CN 210933547 U CN210933547 U CN 210933547U
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- fire extinguishing
- outer cylinder
- pressure relief
- extinguishing agent
- aerosol
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- 239000000443 aerosol Substances 0.000 title claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000000926 separation method Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000000977 initiatory effect Effects 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 22
- 230000008569 process Effects 0.000 abstract description 17
- 239000007921 spray Substances 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005474 detonation Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012994 industrial processing Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses an aerosol fire extinguishing device capable of bidirectionally relieving pressure, which comprises an inner cylinder, a fire extinguishing agent grain is arranged in the inner cylinder, the top of the inner cylinder is connected with a top cover, a plurality of spray holes are arranged on the top cover, an outer cylinder is arranged outside the inner cylinder, a baffle frame is arranged at the top of the outer cylinder, and a discharge hole is arranged at the bottom of the outer cylinder; in addition, the utility model also discloses a corresponding pressure relief method; the device of the utility model has compact and simple structure, high reliability and convenient installation; the pressure relief process can be efficiently carried out on the fire extinguishing agent when the fire extinguishing agent detonates, the phenomenon that the fire extinguishing agent cylinder moves due to the action of recoil force during pressure relief is avoided, and the safety of surrounding equipment is guaranteed.
Description
Technical Field
The utility model relates to a fire control technical field specifically indicates an aerosol extinguishing device that can two-way pressure release.
Background
The occurrence of fire often causes great loss to life and property of people, and timely and effective fire fighting equipment can eliminate the fire in the bud. In modern work and living environment, in the relatively inclosed places such as vehicle, electronic equipment, domestic appliance and kitchen, the problem of putting out a fire can effectively be solved to ordinary portable extinguishing device, but to some unmanned on duty's enclosure space, like city utility tunnel, application places such as small-size unmanned on duty basic station, if use current portable extinguishing device, it often can lead to causing harm to human body or property because of putting out a fire untimely. Consequently, it is indispensable at the fixed automatic fire extinguishing device of this type space installation, however current fixed fire extinguishing device is mostly only to consider to set up the pressure release hole or set up comparatively complicated letting out and explode the structure in one side, if the explosion takes place for the fire extinguishing agent after the detonation, it can not carry out the pressure release process fast to carry out the pressure release through one side pressure release hole alone, make near the pressure release hole region extremely easily produce and burst, and the pressure release in-process fire extinguishing agent barrel extremely easily takes place to remove and damage surrounding equipment because the effect of recoil force, and use comparatively complicated letting out and explode the cost that the structure then can make whole fire extinguishing device expensive, the cost risees.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough, provide an aerosol extinguishing device that can two-way pressure release, its device simple structure, it is with low costs, easily popularization and application can carry out the pressure release process to it high-efficiently when the deflagration takes place for the fire extinguishing agent, avoids the fire extinguishing agent barrel to take place the phenomenon of removal because of the effect of recoil power when the pressure release simultaneously.
The utility model discloses a solve above-mentioned technical problem, the technical scheme who adopts is: the aerosol fire extinguishing device capable of bidirectionally relieving pressure comprises an inner barrel, wherein a fire extinguishing agent grain is arranged in the inner barrel, the top of the inner barrel is connected with a top cover, a plurality of spray holes are formed in the top cover, an outer barrel is arranged on the outer side of the inner barrel, a blocking frame is arranged at the top of the outer barrel, and a discharge hole is formed in the bottom of the outer barrel.
Preferably, the surface of the inner cylinder is sleeved with a mounting ring, a through hole is formed in the end of the mounting ring, and the outer cylinder is mounted close to the periphery of the mounting ring.
More preferably, the outer cylinder comprises an upper outer cylinder and a lower outer cylinder which are mutually butted, and the upper outer cylinder and the lower outer cylinder are sleeved and fixed on the periphery of the mounting ring.
More preferably, the bottom of the upper outer cylinder, the top of the lower outer cylinder and the periphery of the mounting ring are provided with screw holes for penetrating screws.
More preferably, the surface of the butt joint position of the upper outer cylinder and the lower outer cylinder is further sleeved with a hoop tightening ring, the hoop tightening ring comprises two hinged semicircular hoops, the other end of each semicircular hoop is provided with a mounting plate, and the mounting plate is provided with a mounting hole.
Preferably, a separation net is further arranged above the fire extinguishing agent grain, and a cooling agent is arranged on the separation net.
Preferably, the fire extinguishing agent grain is in contact with an initiating end of an actuating member, and the actuating member is a heat sensitive wire structure or an electric ignition head structure.
In addition, the pressure relief method of the aerosol fire extinguishing device comprises the following steps:
step 1): the fire extinguishing agent grain in the inner cylinder is ignited by the starting part to generate hot aerosol gas, and the hot aerosol gas is sprayed out from the top cover through the spray holes to realize the fire extinguishing process;
step 2): when the fire extinguishing agent explosive column is deflagrated, a large amount of hot air flow is generated and accumulated in the inner cylinder, the pressure in the inner cylinder is suddenly increased and the top cover is rushed out, and the top cover is separated from the inner cylinder and blocked by the blocking frame;
step 3): part of hot air flow is sprayed out of the device from the spray holes of the top cover to realize the forward pressure relief process;
step 4): the other part of hot air flow enters a gap between the outer side wall of the inner barrel and the inner side wall of the outer barrel along the gap between the top cover and the top of the inner barrel, and then is sprayed out of the device through a discharge hole at the bottom of the outer barrel to realize a reverse pressure relief process.
The utility model has the advantages that:
1. the device of the utility model has compact and simple structure, high reliability and convenient installation; the pressure relief process can be efficiently carried out on the fire extinguishing agent when the fire extinguishing agent detonates, the phenomenon that the fire extinguishing agent cylinder moves due to the action of recoil force during pressure relief is avoided, and the safety of surrounding equipment is guaranteed.
2. The utility model can realize the positive and negative two-way secondary pressure relief process, firstly, when the pressure in the inner cylinder increases suddenly and the top cover is flushed out, the pressure in the inner cylinder can be reduced suddenly at the moment that the top cover falls off, and a part of hot air flow is sprayed out of the air outside the device from the spray hole of the top cover to realize the positive first pressure relief process; the other part of hot air flow enters a gap between the outer side wall of the inner cylinder and the inner side wall of the outer cylinder along the gap between the top cover and the top of the inner cylinder, and then is sprayed out of the device through a discharge hole at the bottom of the outer cylinder, so that the reverse second pressure relief process is realized.
3. Because the device is at the pressure release in-process, forward pressure release and reverse pressure release are gone on simultaneously, and the opposite direction moreover, can offset most kinetic energy each other, are unlikely to whole barrel and take place to remove and fly out the fixed mounting position, greatly increased its security.
Drawings
FIG. 1 is a schematic perspective view of an aerosol fire extinguishing apparatus with bi-directional pressure relief;
FIG. 2 is a schematic perspective view of FIG. 1 viewed obliquely upward from the bottom;
FIG. 3 is an exploded view of the outer barrel and the tightening ring of FIG. 1;
FIG. 4 is a schematic view of a connection structure between the inner cylinder and the mounting ring;
FIG. 5 is a schematic view of the inner structure of the inner cylinder;
FIG. 6 is a schematic cross-sectional view of FIG. 1 taken vertically along a central axis;
in the figure: the device comprises an inner cylinder 1, a separation net 2, a top cover 3, spray holes 4, an outer cylinder 5, an upper outer cylinder 5.1, a lower outer cylinder 5.2, a blocking frame 6, a discharge hole 7, a mounting ring 8, a through hole 9, a screw hole 10, a tightening hoop 11, a semicircular hoop 11.1, a mounting plate 11.2 and a mounting hole 11.3.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
As shown in fig. 1 to 6, the aerosol fire extinguishing device capable of bidirectionally relieving pressure comprises an inner cylinder 1, a fire extinguishing agent grain is arranged in the inner cylinder 1, the top of the inner cylinder 1 is connected with a top cover 3, a plurality of spray holes 4 are formed in the top cover 3, an outer cylinder 5 is arranged on the outer side of the inner cylinder 1, a blocking frame 6 is arranged at the top of the outer cylinder 5, and a discharge hole 7 is formed in the bottom of the outer cylinder 5. Keep off frame 6 and can effectively block the fly-out when top cap 3 drops in this embodiment, guarantee the security of device.
Preferably, the surface of the inner cylinder 1 is sleeved with a mounting ring 8, a through hole 9 is formed in the end of the mounting ring 8, and the outer cylinder 5 is tightly attached to the periphery of the mounting ring 8. Can separate urceolus 5 and inner tube 1 through collar 8 for can keep certain gap between urceolus 5 and the inner tube 1, one plays thermal-insulated effect, prevent that the heat from conducting urceolus 5 fast after the inner tube 1 high temperature, the two is convenient for the hot-blast air current after detonation to pass through from the gap, and after 8 tip of collar is equipped with through hole 9, can guarantee that the hot gas flow can not be by 8 separation of collar, make the gap space that 1 lateral wall of inner tube and 5 lateral wall of urceolus formed link up from top to bottom, do not influence the pressure release process.
More preferably, the outer cylinder 5 comprises an upper outer cylinder 5.1 and a lower outer cylinder 5.2 which are butted with each other, and the upper outer cylinder 5.1 and the lower outer cylinder 5.2 are sleeved and fixed on the periphery of the mounting ring 8. The outer cylinder 5 is arranged in a combined mode, so that the installation process of the fire extinguishing device is facilitated.
More preferably, the bottom of the upper outer cylinder 5.1, the top of the lower outer cylinder 5.2 and the periphery of the mounting ring 8 are all provided with screw holes 10 for penetrating screws. After the design, the upper outer cylinder 5.1, the lower outer cylinder 5.2 and the mounting ring 8 can be assembled, mounted and fixed together, and the continuous industrial production and processing process is facilitated.
More preferably, the surface of the position where the upper outer cylinder 5.1 and the lower outer cylinder 5.2 are butted is further sleeved with a hoop fastening ring 11, the hoop fastening ring 11 comprises two semi-circular hoops 11.1 which are hinged, the other end of the semi-circular hoop 11.1 is provided with a mounting plate 11.2, and the mounting plate 11.2 is provided with a mounting hole 11.3. The upper outer cylinder 5.1 and the lower outer cylinder 5.2 can be further tightly hooped on the surface of the mounting ring 8 through the hoop fastening rings 11, and after the two semicircular hoop rings 11.1 are folded, the two semicircular hoop rings can be fastened with objects in a surrounding narrow space through the mounting plate 11.2, so that the mounting process of the whole aerosol fire extinguishing device is facilitated.
Preferably, a separation net 2 is further arranged above the fire extinguishing agent grain, and a cooling agent is arranged on the separation net 2. In this embodiment, the fire extinguishing agent grain is the solid state cylinder structure that the aerosol propellant made, and the coolant can be ceramic ball, can further reduce the temperature that brings when fire extinguishing agent spouts.
Preferably, the fire extinguishing agent grain is in contact with an initiating end of an actuating member, and the actuating member is a heat sensitive wire structure or an electric ignition head structure. In this embodiment, can set up detection device in the extinguishing device outside, detection device's line and controller are connected, the controller output is connected with the start line of initiating part, when conflagration, when the condition such as overheated takes place, detection device (detection device is temperature sensor and/or smoke transducer) detects outside and produces behind the high temperature environment because of the conflagration, signals give the controller (the controller can select for use 51 singlechip in this embodiment, the model is 80C51 singlechip, or select STM32 microprocessor for use, the model is STM32F 103), controller control initiating part directly ignites the fire extinguishing agent grain, begin the fire extinguishing process.
In addition, the pressure relief method of the aerosol fire extinguishing device comprises the following steps:
step 1: the fire extinguishing agent grain in the inner cylinder 1 is ignited by the starting part to generate hot aerosol gas, and the hot aerosol gas is sprayed out from the top cover 3 through the spray holes 4 to realize the fire extinguishing process;
step 2: when the fire extinguishing agent explosive column is deflagrated, a large amount of hot air flow is generated and accumulated in the inner cylinder, the pressure in the inner cylinder 1 is suddenly increased and the top cover 3 is rushed out, and the top cover 3 is separated from the inner cylinder 1 and blocked by the blocking frame 6;
and step 3: part of hot air flow is sprayed out of the device from the spray hole 4 of the top cover 3 to realize the forward pressure relief process;
and 4, step 4: the other part of hot air flow enters a gap between the outer side wall of the inner cylinder 1 and the inner side wall of the outer cylinder 5 along the gap between the top cover 3 and the top of the inner cylinder 1, and then is sprayed out of the device through a discharge hole 7 at the bottom of the outer cylinder 5, so that the reverse pressure relief process is realized.
The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (7)
1. The utility model provides an aerosol extinguishing device that can two-way pressure release, includes inner tube (1), be equipped with the fire extinguishing agent grain in inner tube (1), inner tube (1) top is connected with top cap (3), a plurality of orifices (4), its characterized in that have been seted up on top cap (3): an outer barrel (5) is arranged on the outer side of the inner barrel (1), a blocking frame (6) is arranged at the top of the outer barrel (5), and a discharge hole (7) is formed in the bottom of the outer barrel (5).
2. An aerosol fire extinguishing apparatus with bi-directional pressure relief according to claim 1, wherein: the inner tube (1) surface cover is equipped with collar (8), collar (8) tip is equipped with through hole (9), collar (8) periphery installation is hugged closely in urceolus (5).
3. An aerosol fire extinguishing apparatus with bi-directional pressure relief according to claim 2, wherein: the outer cylinder (5) comprises an upper outer cylinder (5.1) and a lower outer cylinder (5.2) which are mutually butted, and the upper outer cylinder (5.1) and the lower outer cylinder (5.2) are sleeved and fixed on the periphery of the mounting ring (8).
4. An aerosol fire extinguishing apparatus with bi-directional pressure relief as claimed in claim 3, wherein: and the bottom of the upper outer barrel (5.1), the top of the lower outer barrel (5.2) and the periphery of the mounting ring (8) are provided with screw holes (10) for penetrating screws.
5. An aerosol fire extinguishing apparatus with bi-directional pressure relief as claimed in claim 3, wherein: go up the position surface of urceolus (5.1) and urceolus (5.2) butt joint down and still be equipped with tight hoop (11), tight hoop (11) include two articulated semicircular hoop (11.1) of connecting, and semicircular hoop (11.1) other end is equipped with mounting panel (11.2), mounting hole (11.3) have been seted up on mounting panel (11.2).
6. An aerosol fire extinguishing apparatus with bi-directional pressure relief according to claim 1, wherein: a separation net (2) is further arranged above the fire extinguishing agent grain, and a cooling agent is arranged on the separation net (2).
7. An aerosol fire extinguishing apparatus with bi-directional pressure relief according to claim 1, wherein: the fire extinguishing agent grain contacts with the initiating end of the starting part, and the starting part is of a heat-sensitive wire structure or an electric ignition head structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921855475.3U CN210933547U (en) | 2019-10-31 | 2019-10-31 | Aerosol fire extinguishing device capable of bidirectionally relieving pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921855475.3U CN210933547U (en) | 2019-10-31 | 2019-10-31 | Aerosol fire extinguishing device capable of bidirectionally relieving pressure |
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| Publication Number | Publication Date |
|---|---|
| CN210933547U true CN210933547U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921855475.3U Active CN210933547U (en) | 2019-10-31 | 2019-10-31 | Aerosol fire extinguishing device capable of bidirectionally relieving pressure |
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| CN (1) | CN210933547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110681096A (en) * | 2019-10-31 | 2020-01-14 | 湖北及安盾消防科技有限公司 | Aerosol fire extinguishing device capable of bidirectionally relieving pressure and pressure relieving method thereof |
-
2019
- 2019-10-31 CN CN201921855475.3U patent/CN210933547U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110681096A (en) * | 2019-10-31 | 2020-01-14 | 湖北及安盾消防科技有限公司 | Aerosol fire extinguishing device capable of bidirectionally relieving pressure and pressure relieving method thereof |
| CN110681096B (en) * | 2019-10-31 | 2024-05-17 | 湖北及安盾消防科技有限公司 | Aerosol fire extinguishing device capable of realizing bidirectional pressure relief and pressure relief method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A bidirectional pressure relief aerosol fire extinguishing device Effective date of registration: 20231214 Granted publication date: 20200707 Pledgee: Bank of Hankou Limited by Share Ltd. Yichang branch Pledgor: Hubei and Andun Fire Technology Co.,Ltd. Registration number: Y2023980071183 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |