CN114522358B - Novel forest fire prevention median - Google Patents
Novel forest fire prevention median Download PDFInfo
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- CN114522358B CN114522358B CN202210070520.4A CN202210070520A CN114522358B CN 114522358 B CN114522358 B CN 114522358B CN 202210070520 A CN202210070520 A CN 202210070520A CN 114522358 B CN114522358 B CN 114522358B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
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Abstract
The invention discloses a novel forest fire prevention isolation belt, which relates to the field of forest fire prevention and aims at solving the problems that when the isolation belt is not laid, fire can continue to spread due to the fact that the isolation belt is broken through when a fire is in the background technology, serious property loss is caused, and meanwhile hidden danger exists in personal safety. The invention can effectively isolate the spread of fire, is convenient to assemble, improves the working efficiency, can early warn and inform managers in time, avoids further expansion of the fire, improves the economy, can cool and purify high-temperature gas containing smoke dust, prevents fire extinguishers on one side of an isolation belt from being damaged, and improves the safety and the practicability.
Description
Technical Field
The invention relates to the technical field of forest fire prevention, in particular to a novel forest fire prevention isolation belt.
Background
Forest fire prevention, i.e. prevention of forest fires, which are the most dangerous enemies of forests and the most feared disasters of forestry, can bring the most harmful and devastating consequences to forests. Forest fires not only burn pieces of forest to damage animals in the forest, but also reduce the reproductive capacity of the forest, cause soil impoverishment and destroy forest conservation water sources, even cause ecological environment unbalance, and roughly divide the forest fires into three categories, namely surface fires, crown fires and underground fires according to the burning central place, the spreading speed, the damage position and the degree of the forest fires.
Forests, including arbor forests, bamboo forests and national special-regulation shrub forests, can be divided into protection forests, special purpose forests, timber forests, economic forests and energy forests (original firewood forests) according to purposes, and biological communities taking woody plants as main bodies are concentrated arbors, other plants, animals, microorganisms and soil are interdependent and mutually restricted and mutually influenced with the environment, so that the forest is regarded as the 'lung of the earth', and has rich species, complex structures and various functions.
In the aspect of fire prevention, generally, the isolation belt is paved to prevent the fire from spreading, so that the burning forest and the unburnt forest are isolated, but the isolation belt cannot be quickly formed by the method, so that the forest fire can break through the isolation belt when the isolation belt is not paved, the fire continues to spread, serious property loss is caused, and meanwhile, the personal safety also has hidden dangers.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a novel forest fire-prevention isolation belt.
In order to achieve the purpose, the invention adopts the following technical scheme:
a novel forest fire prevention isolation belt comprises two fixing mechanisms (1) and is characterized in that each fixing mechanism (1) comprises a base (101), two insertion rods (102) which are welded to outer walls of two ends of the bottom of the base (101) respectively and two fixing blocks (103) which are welded to outer walls of two ends of the top of the base (101) respectively, wherein two phenolic aldehyde plates (2) of a convex structure are arranged between the two fixing mechanisms (1), two ends of each phenolic aldehyde plate (2) are inserted into the four fixing blocks (103) respectively, a bottom plate (3) is arranged between the two fixing mechanisms (1), two ends of each bottom plate (3) are connected to outer walls of the tops of the two bases (101) through bolts respectively, a sealing plate (4) is connected to the outer walls of the tops of the two bases (101) through bolts, a cover plate (5) is arranged above the bottom plate (3), and the four corners of apron (5) bottom are respectively through bolted connection on four fixed block (103) top outer walls, there are two servo cylinder (6) through bolted connection on bottom plate (3) top outer wall, it has two through-holes to open on the apron (5) top outer wall, and two servo cylinder (6) piston rods respectively sliding mounting in two through-holes, it has the air intake that the equidistance distributes to open on the outer wall that apron (5) top is located between two through-holes, apron (5) below is equipped with fixed plate (7), and the both ends outer wall on fixed plate (7) both sides welds respectively on four fixed block (103) relative one side outer walls, apron (5) top is equipped with mounting panel (8), and mounting panel (8) bottom both ends weld respectively on two servo cylinder (6) piston rod top outer walls, be equipped with early warning mechanism (9) on mounting panel (8) bottom outer wall, the early warning mechanism (9) comprises a smoke sensor (901) connected to the outer wall of one end of the bottom of the mounting plate (8) through a bolt, a temperature sensor (902) connected to the outer wall of one end of the bottom of the mounting plate (8) through a bolt, a mounting frame (903) welded to the outer wall of the center of the bottom of the mounting plate (8), a GPS (904) connected to the outer wall of the bottom of the mounting plate (8) in the mounting frame (903) through a bolt, a controller (905) connected to the outer wall of the center of the bottom of the mounting plate (8) through a bolt, a wireless transceiver (906) connected to the outer wall of the bottom of the mounting plate (8) through a bolt, a bottom cover (907) connected to the outer wall of the bottom of the mounting frame (903) through a bolt and a panoramic camera (908) connected to the outer wall of the bottom cover (907) through a bolt;
the outer wall of the bottom of the fixing plate (7) is provided with three ventilation openings, the outer wall of the bottom plate (7) close to the three ventilation openings is provided with a purification mechanism (10), the purification mechanism (10) comprises an installation pipe (1001) connected onto the outer wall of the bottom of the fixing plate (7) through bolts, a first partition plate (1002) sleeved on the inner wall of the middle part of the installation pipe (1001), a second partition plate (1003) sleeved on the inner wall of the lower part of the installation pipe (1001), a plurality of ventilation pipes (1004) respectively arranged in the installation pipe (1001) and fans (1005) embedded on the inner wall of the bottom end of the installation pipe (1001), the outer walls of the tops of the first partition plate (1002) and the second partition plate (1003) are respectively provided with fixing holes distributed at equal intervals, the ventilation pipes (1003) are embedded in the fixing holes, the outer wall of the ventilation pipes (1004) is provided with ventilation holes distributed at equal intervals, the interior of the installation pipe (1001) between the second partition plate (1003) and the first partition plate (1002) is filled with activated carbon particles, and the inside that the installation pipe (1001) is located first baffle (1002) top is filled with sodium bicarbonate powder, two all offer the air outlet that the equidistance distributes on the lower part outer wall of the relative one side of phenolic aldehyde board (2).
Preferably, the bottom plate both sides overlap joint respectively on the lower part outer wall of two relative one sides of phenolic aldehyde board, and the bottom plate both sides overlap joint respectively on the lower part outer wall of two relative one sides of closing plate, two the closing plate both sides overlap joint respectively on one side outer wall of four fixed blocks, can effectually keep apart stretching of conflagration, and the equipment of being convenient for has simultaneously improved work efficiency.
Preferably, two mounting openings are formed in the outer wall of the top of the fixing plate, and the two servo cylinders are respectively embedded in the two mounting openings.
Preferably, smoke transducer, temperature sensor, GPS locater and panorama camera are connected with the controller through the signal line respectively, and the controller passes through the wire and is connected with wireless transceiver, can carry out the early warning and in time inform managers, avoid the conflagration further to enlarge, have improved economic nature.
The invention has the beneficial effects that:
1. inserting the inserted rods at the bottoms of the two fixing mechanisms into the ground, fixing the bottom plate, the two phenolic aldehyde plates and the two sealing plates by using bolts respectively, simultaneously enabling the bottoms of the two phenolic aldehyde plates to be in contact with the ground, sequentially fixing the rest fixing mechanisms, fixing the bottom plate, the two phenolic aldehyde plates and the two sealing plates, and connecting the two phenolic aldehyde plates with the two fixing blocks in the last fixing mechanism, so that the spread of fire can be effectively isolated, the assembly is convenient, and the working efficiency is improved;
2. the fire monitoring system is provided with an early warning mechanism, the panoramic camera monitors the periphery of the isolation belt, the temperature sensor and the smoke sensor perform early warning when a fire disaster occurs, electric signals are transmitted to the controller, the controller transmits positioning and scene of the fire disaster to the background through the wireless transceiver, early warning can be performed, managers can be informed in time, the fire disaster is prevented from being further expanded, and the economy is improved;
3. be provided with purification mechanism, when the conflagration breaing out, the fan rotates, in the high-temperature gas containing the smoke and dust that will lap the top inhales the installation pipe, high-temperature gas makes sodium bicarbonate decompose and produces carbon dioxide, activated carbon particle purifies the smoke and dust in the gas, the fan will contain a large amount of carbon dioxide gaseous air transport two phenolic aldehyde board both sides, the processing of putting out a fire to the phenolic aldehyde board both sides, can prevent that the conflagration from stretching, can cool down and purify the high-temperature gas that contains the smoke and dust, the personnel of putting out a fire that prevent median one side receive the damage, security and practicality have been improved.
Drawings
FIG. 1 is a schematic perspective view of a novel forest fire barrier according to the present invention;
FIG. 2 is a schematic bottom perspective view of the novel forest fire barrier according to the present invention;
FIG. 3 is a schematic view of an overall sectional three-dimensional structure of the novel forest fire-barrier zone provided by the invention;
FIG. 4 is a schematic view of a partial cross-sectional three-dimensional structure of a novel forest fire-prevention isolation belt according to the present invention;
FIG. 5 is a schematic bottom three-dimensional structure of an early warning mechanism of the novel forest fire prevention isolation belt provided by the invention;
FIG. 6 is a schematic view of an internal three-dimensional structure of a mounting frame of the novel forest fire-prevention isolation belt provided by the invention;
fig. 7 is a schematic sectional three-dimensional structure diagram of a purification mechanism of the novel forest fire-prevention isolation belt provided by the invention.
In the figure: the device comprises a fixing mechanism 1, a base 101, an inserting rod 102, a fixing block 103, a phenolic plate 2, a bottom plate 3, a sealing plate 4, a cover plate 5, a servo cylinder 6, a fixing plate 7, a mounting plate 8, an early warning mechanism 9, a smoke sensor 901, a temperature sensor 902, a mounting frame 903, a GPS locator 904, a controller 905, a wireless transceiver 906, a bottom cover 907, a panoramic camera 908, a purification mechanism 10, a mounting pipe 1001, a first partition 1002, a second partition 1003, a ventilation pipe 1004 and a fan 1005.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a novel forest fire prevention median, fixed establishment 1 includes base 101, two inserted bars 102 that weld respectively on the outer wall of base 101 bottom both ends and two fixed blocks 103 that weld respectively on the outer wall of base 101 top both ends "H" shape structure, be equipped with two phenolic aldehyde boards 2 of "protruding" shape structure between two fixed establishment 1, peg graft respectively in four fixed blocks 103 at two phenolic aldehyde board 2 both ends, be equipped with bottom plate 3 between two fixed establishment 1, 3 both ends of bottom plate are respectively through bolted connection on two outer walls of base 101 top, all through bolted connection have closing plate 4 on two outer walls of base 101 top, 3 tops of bottom plate are equipped with apron 5, the four corners of apron 5 bottom is respectively through bolted connection on four outer walls of fixed block 103 top.
It should be noted that, 3 both sides of bottom plate overlap joint respectively on the lower part outer wall of two relative one sides of phenolic aldehyde board 2, 3 both sides of bottom plate overlap joint respectively on the lower part outer wall of two relative one sides of closing plate 4, and two 4 both sides of closing plate overlap joint respectively on one side outer wall of four fixed blocks 103, can effectually keep apart stretching of conflagration, and the equipment of being convenient for has simultaneously improved work efficiency.
Referring to fig. 1-3 and fig. 5-6, two servo cylinders 6 are connected to the outer wall of the top of the bottom plate 3 through bolts, two through holes are formed in the outer wall of the top of the cover plate 5, piston rods of the two servo cylinders 6 are slidably mounted in the two through holes respectively, air inlets distributed at equal intervals are formed in the outer wall of the top of the cover plate 5 between the two through holes, a fixing plate 7 is arranged below the cover plate 5, the outer walls of two ends of two sides of the fixing plate 7 are welded to the outer wall of one side of the four fixing blocks 103 opposite to each other, a mounting plate 8 is arranged above the cover plate 5, two ends of the bottom of the mounting plate 8 are welded to the outer walls of the top ends of the piston rods of the two servo cylinders 6 respectively, an early warning mechanism 9 is arranged on the outer wall of the bottom of the mounting plate 8, the early warning mechanism 9 comprises a smoke sensor 901 connected to the outer wall of one end of the bottom of the mounting plate 8 through bolts, and a temperature sensor 902 connected to the outer wall of one end of the bottom of the mounting plate 8 through bolts, The device comprises a mounting frame 903 welded on the outer wall of the center of the bottom of the mounting plate 8, a GPS locator 904 connected to the outer wall of the bottom of the mounting plate 8 in the mounting frame 903 through bolts, a controller 905 connected to the outer wall of the center of the bottom of the mounting plate 8 through bolts, a wireless transceiver 906 connected to the outer wall of the bottom of the mounting plate 8 through bolts, a bottom cover 907 connected to the outer wall of the bottom of the mounting frame 903 through bolts, and a panoramic camera 908 connected to the outer wall of the bottom cover 907 through bolts.
It should be noted that, two mounting ports are opened on the outer wall of the top of the fixing plate 7, the two servo cylinders 6 are respectively embedded in the two mounting ports, the smoke sensor 901, the temperature sensor 902, the GPS locator 904 and the panoramic camera 908 are respectively connected with the controller 905 through signal lines, and the controller 905 is connected with the wireless transceiver 906 through a wire, so that the warning and timely notification of the manager can be performed, the fire hazard is avoided from further expansion, and the economy is improved.
Referring to fig. 1-3 and 7, three ventilation openings are formed in the outer wall of the bottom of the fixing plate 7, a purification mechanism 10 is disposed on the outer wall of the bottom plate 7 near the three ventilation openings, the purification mechanism 10 includes a mounting pipe 1001 connected to the outer wall of the bottom of the fixing plate 7 through bolts, a first partition 1002 sleeved on the inner wall of the middle portion of the mounting pipe 1001, a second partition 1003 sleeved on the inner wall of the lower portion of the mounting pipe 1001, a plurality of ventilation pipes 1004 respectively disposed in the mounting pipe 1001, and fans 1005 embedded on the inner wall of the bottom end of the mounting pipe 1001, fixing holes equidistantly disposed on the outer walls of the first partition 1002 and the second partition 1003, the ventilation pipes 1003 embedded in the fixing holes, activated carbon particles filled in the positions between the second partition 1003 and the first partition 1002 of the mounting pipe 1001, which are equidistantly disposed on the outer wall of the ventilation pipes 1004, activated carbon particles filled in the positions between the second partition 1003 and the first partition 1002 of the mounting pipe 1001, and sodium bicarbonate powder filled in the positions above the first partition 1002 of the mounting pipe 1001, the air outlets distributed equidistantly are formed in the outer wall of the lower portion of one side, opposite to the two phenolic aldehyde plates 2, of the outer wall, high-temperature gas containing smoke can be cooled and purified, fire extinguishers on one side of the isolation belt are prevented from being damaged, and safety and practicability are improved.
Inserting the inserted rods 102 at the bottoms of the two fixing mechanisms 1 into the ground, fixing the bottom plate 3, the two phenolic aldehyde plates 2 and the two sealing plates 4 by using bolts respectively, simultaneously enabling the bottoms of the two phenolic aldehyde plates 2 to be in contact with the ground, fixing the other fixing mechanisms 1 in sequence, fixing the bottom plate 3, the two phenolic aldehyde plates 2 and the two sealing plates 4, connecting the two phenolic aldehyde plates 2 with the two fixing blocks 103 in the last fixing mechanism 1, ascending a piston rod of a servo cylinder 6, adjusting the height of an early warning mechanism 9, monitoring the periphery of an isolation belt 908 by using a panoramic camera 908, giving an early warning to a temperature sensor 902 and a smoke sensor 901 when a fire occurs, transmitting electric signals to a controller 905, transmitting positioning and a scene of the fire on site to the controller 905 through a wireless transceiver 906, rotating a fan 1005 when the fire occurs, sucking high-temperature gas containing smoke dust above the cover plate 5 into a background of the installation pipe 1001, the high-temperature gas decomposes sodium bicarbonate to generate carbon dioxide, the activated carbon particles purify smoke dust in the gas, and the fan 1005 conveys air containing a large amount of carbon dioxide gas to two sides of the two phenolic aldehyde plates 2 to extinguish fire on one side of the phenolic aldehyde plates 2.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A novel forest fire-prevention isolation belt comprises two fixing mechanisms (1) and is characterized in that each fixing mechanism (1) comprises a base (101), two insert rods (102) welded on outer walls of two ends of the bottom of the base (101) respectively and two fixing blocks (103) of an H-shaped structure welded on outer walls of two ends of the top of the base (101) respectively, two phenolic boards (2) of a convex structure are arranged between the two fixing mechanisms (1), two ends of each phenolic board (2) are inserted into the four fixing blocks (103) respectively, a bottom plate (3) is arranged between the two fixing mechanisms (1), two ends of each bottom plate (3) are connected onto outer walls of the tops of the two bases (101) respectively through bolts, a sealing plate (4) is connected onto the outer walls of the tops of the two bases (101) through bolts, a cover plate (5) is arranged above the bottom plate (3), and the four corners of the bottom of the cover plate (5) are respectively connected onto the outer walls of the tops of the four fixing blocks (103) through bolts, the outer wall of the top of the bottom plate (3) is connected with two servo cylinders (6) through bolts, the outer wall of the top of the cover plate (5) is provided with two through holes, piston rods of the two servo cylinders (6) are respectively and slidably mounted in the two through holes, the outer wall of the top of the cover plate (5) between the two through holes is provided with air inlets distributed at equal intervals, a fixing plate (7) is arranged below the cover plate (5), the outer walls of the two ends of the two sides of the fixing plate (7) are respectively welded on the outer wall of the top end of the piston rods of the two servo cylinders (6), and the outer wall of the bottom of the mounting plate (8) is provided with an early warning mechanism (9), the early warning mechanism (9) comprises a smoke sensor (901) connected to the outer wall of one end of the bottom of the mounting plate (8) through a bolt, a temperature sensor (902) connected to the outer wall of one end of the bottom of the mounting plate (8) through a bolt, a mounting frame (903) welded to the outer wall of the center of the bottom of the mounting plate (8), a GPS (904) connected to the outer wall of the bottom of the mounting plate (8) and positioned in the mounting frame (903) through a bolt, a controller (905) connected to the outer wall of the center of the bottom of the mounting plate (8) through a bolt, a wireless transceiver (906) connected to the outer wall of the bottom of the mounting plate (8) through a bolt, a bottom cover (907) connected to the outer wall of the bottom of the mounting frame (903) through a bolt and a panoramic camera (908) connected to the outer wall of the bottom cover (907) through a bolt;
open on fixed plate (7) bottom outer wall has three vent, and be equipped with on the outer wall that fixed plate (7) bottom is close to three vent and purify mechanism (10), purify mechanism (10) including through bolted connection installation pipe (1001) on fixed plate (7) bottom outer wall, cup joint first baffle (1002) on installation pipe (1001) middle part inner wall, cup joint second baffle (1003) on installation pipe (1001) lower part inner wall, ventilation pipe (1004) that a plurality of was located respectively in installation pipe (1001) and inlay fan (1005) on installation pipe (1001) bottom inner wall, all open the fixed orifices that the equidistance distributes on first baffle (1002) and the second baffle (1003) top outer wall, and ventilation pipe (1004) inlay and adorn in the fixed orifices, set up the ventilation hole that the equidistance distributes on ventilation pipe (1004) outer wall, the packing that installation pipe (1001) is located between second baffle (1003) and first baffle (1002) has active carbon particle And the inside that installation pipe (1001) is located first baffle (1002) top is filled with sodium bicarbonate powder, two all set up the air outlet that the equidistance distributes on the lower part outer wall of the relative one side of phenolic aldehyde board (2).
2. A new forest fire-protection isolation belt as claimed in claim 1, wherein the two sides of the base plate (3) are respectively lapped on the lower outer wall of the opposite side of the two phenolic aldehyde plates (2), the two sides of the base plate (3) are respectively lapped on the lower outer wall of the opposite side of the two sealing plates (4), and the two sides of the two sealing plates (4) are respectively lapped on the outer wall of one side of the four fixing blocks (103).
3. A novel forest fire barrier as claimed in claim 1 in which the outer wall of the top of the fixing plate (7) is provided with two mounting openings and the two servo cylinders (6) are fitted into the two mounting openings respectively.
4. A novel forest fire prevention isolation belt as claimed in claim 1, wherein the smoke sensor (901), the temperature sensor (902), the GPS locator (904) and the panoramic camera (908) are respectively connected with the controller (905) through signal lines, and the controller (905) is connected with the wireless transceiver (906) through a lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210070520.4A CN114522358B (en) | 2022-01-21 | 2022-01-21 | Novel forest fire prevention median |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210070520.4A CN114522358B (en) | 2022-01-21 | 2022-01-21 | Novel forest fire prevention median |
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| CN114522358A CN114522358A (en) | 2022-05-24 |
| CN114522358B true CN114522358B (en) | 2022-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210070520.4A Active CN114522358B (en) | 2022-01-21 | 2022-01-21 | Novel forest fire prevention median |
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| CN213252701U (en) * | 2020-09-03 | 2021-05-25 | 丁胜建 | Forestry fire prevention median |
| CN214649046U (en) * | 2021-04-01 | 2021-11-09 | 天津神州海创科技有限公司 | Wireless automatic control inspection device |
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- 2022-01-21 CN CN202210070520.4A patent/CN114522358B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2006100341A4 (en) * | 2006-04-27 | 2006-06-01 | Brendan Darren Gow | Fire resistant insulation barrier for light fittings |
| CN102704983A (en) * | 2012-05-18 | 2012-10-03 | 哈尔滨健源煤矿救援装备有限公司 | Mining carbon-dioxide extinguishing device |
| CN107313524A (en) * | 2017-07-25 | 2017-11-03 | 吕海党 | A kind of blasting type Building Fire Protection composite plate |
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| CN111672037A (en) * | 2020-06-28 | 2020-09-18 | 安徽省鸿图生态农业有限公司 | Forestry monitoring firebreak device |
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| CN213252701U (en) * | 2020-09-03 | 2021-05-25 | 丁胜建 | Forestry fire prevention median |
| CN214649046U (en) * | 2021-04-01 | 2021-11-09 | 天津神州海创科技有限公司 | Wireless automatic control inspection device |
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| Publication number | Publication date |
|---|---|
| CN114522358A (en) | 2022-05-24 |
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