CN113129540A - Forest fire prevention alarm system - Google Patents
Forest fire prevention alarm system Download PDFInfo
- Publication number
- CN113129540A CN113129540A CN202110440097.8A CN202110440097A CN113129540A CN 113129540 A CN113129540 A CN 113129540A CN 202110440097 A CN202110440097 A CN 202110440097A CN 113129540 A CN113129540 A CN 113129540A
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- fixed
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- forest fire
- trigger
- alarm system
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/005—Fire alarms; Alarms responsive to explosion for forest fires, e.g. detecting fires spread over a large or outdoors area
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses a forest fire prevention alarm system, which comprises a solar cell panel, a support column for supporting the solar cell panel and a plurality of monitoring alarm components, wherein a monitoring terminal is fixed at the top of the support column, and the monitoring alarm components for timely detecting forest fires are arranged in a forest and distributed outside the support column.
Description
Technical Field
The invention relates to the technical field of forest fire prevention alarming, in particular to a forest fire prevention alarming system.
Background
Forest fires in a broad sense: all forest fires that cause damage and loss to forests, forest ecosystems and human beings are called forest fires. In a narrow sense: forest fires are natural disasters which are strong in burst, large in destructiveness and difficult to dispose and rescue.
The necessary conditions for causing the fire are combustible substances, oxygen and a fire source, a lot of dead branches and fallen leaves in the forest at present can not avoid the combustible substances in the forest, the oxygen is sufficient, in case of the open fire, the forest fire can bring destructive results, the main sources of the fire source at present are open fire caused by falling of meteorite, volcanic eruption, lightning stroke fire, fire species left over by personnel field picnics and the like, most of the fire sources are unpredictable by the personnel, so that in case of the outbreak of the forest fire, the scale is very large, and therefore timely alarming is needed, the existing forest fire prevention alarm system usually utilizes a large number of detection terminals to be paved on the forest for alarming when the fire occurs, but the detection terminals need to be paved with a large number of sensors for monitoring, the follow-up maintenance needs large manpower and material resources, and after the sensors fail, no other ways are used for replacing alarming, meanwhile, most detection terminals detect by using devices such as sensors and the like, a small amount of false alarms exist, existing fire alarm resources are wasted, and therefore a forest fire prevention alarm system is provided.
Disclosure of Invention
The invention aims to provide a forest fire prevention alarm system which can reduce the number of sensors and reduce false alarms by carrying out alarm information propagation through various channels so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: forest fire prevention alarm system, including solar cell panel, be used for support column and a plurality of monitoring alarm component that solar cell panel supported, the support column top is fixed with monitor terminal for it is a plurality of that forest fire in time detects monitoring alarm component installs in the forest to distribute in the support column outside.
Preferably, the monitoring alarm assembly comprises a plurality of wrapping sleeves and a plurality of groups of mounting plates, a plurality of connecting pipes are communicated with the supporting columns at equal angles, the plurality of wrapping sleeves respectively penetrate through the plurality of connecting pipes, the plurality of connecting pipes are arranged, the mounting plates are a group and two, U-shaped buckles are fixed on the outer sides of the mounting plates, two U-shaped buckles are respectively penetrated through two ends of each wrapping sleeve, two connecting belts are fixed, a smoke generator is fixed at the bottom of each connecting belt, an induction alarm is installed at the bottom of each connecting pipe, and the monitoring alarm assembly is used for monitoring and alarming.
Preferably, smoke generator includes the protruding type connecting plate of fixing with two connecting bands, protruding type connecting plate bottom is fixed with the installation section of thick bamboo, and slides in the installation section of thick bamboo and peg graft and have the extrusion piston board, installation section of thick bamboo bottom slides and runs through have with the fixed slide bar in extrusion piston board bottom, and the slide bar bottom is fixed with the bottom block, install smoke material in the installation section of thick bamboo, and install a section of thick bamboo top and install the sealing member and realize scattering smog when conflagration through smoke generator, remind personnel.
Preferably, the sealing member includes the extrusion stem with protruding type connecting plate slip grafting, the extrusion stem top is fixed with the spacing block, and the bottom is fixed with the stripper plate with installation section of thick bamboo inner wall sliding connection, the extrusion stem outside cover has the extrusion spring that contacts with stripper plate and protruding type connecting plate, realizes sealed to the installation section of thick bamboo through the sealing member.
Preferably, a weight is fixed on the outer side of the mounting cylinder, and the weight is increased to enable the mounting cylinder to descend more easily.
Preferably, a connecting steel rope is inserted into the wrapping sleeve, two ends of the connecting steel rope are fixed to the two mounting plates respectively, openings for the connecting steel rope to penetrate through are formed in two ends of the wrapping sleeve, an inner sleeve is inserted between the wrapping sleeve and the connecting steel rope, the connecting steel rope improves the using strength of the wrapping sleeve, and the inner sleeve is used for monitoring the second layer of fire.
Preferably, the induction alarm comprises a first annular pressure sensor and a second annular pressure sensor which are fixed on the outer side of the supporting column, a supporting plate is fixed above the first annular pressure sensor and the second annular pressure sensor on the outer side of the supporting column, a plurality of secondary trigger assemblies are installed in the supporting plate corresponding to a plurality of wrapping sleeves and other angles, and the induction alarm is used for alarming by utilizing the sensors.
Preferably, the secondary triggers the subassembly including sliding the cover that triggers that runs through in the backup pad, trigger set bottom is fixed with the clamp ring that corresponds with first annular pressure sensor, and triggers set outside cover have with clamp ring and backup pad bottom contact's trigger spring, trigger set top is fixed with first connecting ring through connecting the rope, and first connecting ring is fixed with the parcel cover outside, it has the trigger bar to slide the grafting in the trigger sleeve, and the trigger bar bottom is fixed with the arch of pressing that corresponds with second annular pressure sensor, the trigger bar top is fixed with the second go-between through connecting the rope, and the second go-between is fixed with the endotheca, through the design of secondary trigger subassembly for the monitoring of fire alarm is more accurate.
Preferably, the wrapping sleeve is fixed with a supporting plate at one end close to the connecting belt, a limiting plate which is abutted against the bottom of the U-shaped retaining ring is sleeved outside the wrapping sleeve, a tightening spring is sleeved between the supporting plate and the limiting plate of the wrapping sleeve, and the wrapping sleeve is in a tightening state through the tightening spring.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the combined action of the wrapping sleeve and the inner sleeve in the monitoring alarm component, the smoke generator and the induction alarm can be timely touched when a fire disaster occurs, so that double alarm is realized, the alarm information is more and more timely transmitted, and meanwhile, only a small number of sensors are arranged in the induction alarm, so that the problem that more manpower and material resources are needed for later-stage personnel maintenance and overhaul due to the large number of sensors is solved.
2. According to the invention, the smoke alarm and the first annular pressure sensor alarm are triggered by the burning of the wrapping sleeve, the second annular pressure sensor alarm is triggered by the burning of the inner sleeve, and the alarm of the two alarms makes the fire situation more accurate and avoids the occurrence of false alarm situation.
3. According to the invention, the solar cell panel is used for providing power for the first annular pressure sensor and the second annular pressure sensor, so that the electric quantity of the sensors is more convenient to supplement.
Drawings
FIG. 1 is a schematic top view of the arrangement of the present invention in a forest;
FIG. 2 is a side view of a connection structure of a smoke generator and an induction alarm of the present invention;
FIG. 3 is a schematic view of the positional relationship between the smoke generator and the mounting plate according to the present invention;
FIG. 4 is a schematic view of the induction alarm of the present invention;
FIG. 5 is a side view of the secondary trigger assembly of the present invention attached to a support plate;
FIG. 6 is a schematic diagram of a smoke generator according to the present invention;
FIG. 7 is a schematic view, partially in section, of an inner mounting tube of the aerosol generator of the present invention;
FIG. 8 is a schematic view of the connection between the inner sleeve and the wrapping sleeve of the present invention;
fig. 9 is a power supply block diagram of the solar cell panel of the present invention.
In the figure: 1-a solar panel; 2-a support column; 3-monitoring the terminal; 4-monitoring an alarm component; 5-wrapping the sleeve; 6, mounting a plate; 7-connecting pipe; 8-U-shaped retaining rings; 9-connecting the belt; 10-a smoke generator; 11-an induction alarm; 12-a male connecting plate; 13-mounting the cylinder; 14-extruding a piston plate; 15-a slide bar; 16-a bottom block; 17-a seal; 18-a squeeze bar; 19-a limiting block; 20-extruding a plate; 21-a compression spring; 22-weight; 23-connecting steel ropes; 24-an opening; 25-inner sleeve; 26-a first annular pressure sensor; 27-a second annular pressure sensor; 28-a support plate; 29-a secondary trigger component; 30-a trigger sleeve; 31-a pressing ring; 32-a trigger spring; 33-a first connecting ring; 34-a trigger lever; 35-pressing the bump; 36-a second connecting ring; 37-a resisting plate; 38-limiting plate; 39-tightening the spring.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-6 and 8-9, the forest fire prevention alarm system shown in the figure comprises a solar cell panel 1, a support column 2 for supporting the solar cell panel 1, and a plurality of monitoring alarm components 4, wherein a monitoring terminal 3 is fixed at the top of the support column 2, and the plurality of monitoring alarm components 4 for timely detecting forest fires are installed in a forest and distributed outside the support column 2.
The monitoring alarm assembly 4 comprises a plurality of wrapping sleeves 5 and a plurality of groups of mounting plates 6, the outer sides of the supporting columns 2 are communicated with a plurality of connecting pipes 7 at equal angles, the wrapping sleeves 5 penetrate through the connecting pipes 7 respectively, two mounting plates 6 are in a group, the outer sides of the two mounting plates 6 are fixed with U-shaped buckles 8, two ends of each wrapping sleeve 5 penetrate through the two U-shaped buckles 8 respectively and are fixed with two connecting belts 9, a smoke generator 10 is fixed at the bottom of each connecting belt 9, an induction alarm 11 is installed at the bottom of each connecting pipe 7, and the outer sides of the mounting plates 6 are installed on trees through clamps;
the smoke generator 10 comprises a convex connecting plate 12 fixed with two connecting belts 9, a mounting cylinder 13 is fixed at the bottom of the convex connecting plate 12, an extruding piston plate 14 is inserted in the mounting cylinder 13 in a sliding mode, a sliding rod 15 fixed with the bottom of the extruding piston plate 14 penetrates through the bottom of the mounting cylinder 13 in a sliding mode, a bottom block 16 is fixed at the bottom of the sliding rod 15, smoke materials are mounted in the mounting cylinder 13, a sealing piece 17 is mounted at the top of the mounting cylinder 13, and the sealing piece 17 can be a sealing film or a sealing gasket and mainly seals the top of the mounting cylinder 13;
meanwhile, in order to facilitate the impact force required for the falling of the mounting cylinder 13, a weight 22 is fixed to the outer side of the mounting cylinder 13.
In addition, in order to prevent the wrapping sleeve 5 from being dragged and damaged by other animals, a connecting steel rope 23 is inserted into the wrapping sleeve 5, two ends of the connecting steel rope 23 are respectively fixed with the two mounting plates 6, two ends of the wrapping sleeve 5 are respectively provided with an opening 24 for the connecting steel rope 23 to penetrate through, and an inner sleeve 25 is inserted between the wrapping sleeve 5 and the connecting steel rope 23.
Meanwhile, in order to enable the wrapping sleeve 5 to be in a tightened state, a supporting plate 37 is fixed at one end, close to the connecting belt 9, of the wrapping sleeve 5, a limiting plate 38 which is abutted against the bottom of the U-shaped retaining ring 8 is sleeved on the outer side of the wrapping sleeve 5, a tightening spring 39 is sleeved between the supporting plate 37 and the limiting plate 38 of the wrapping sleeve 5, and two ends of the wrapping sleeve 5 are in a tightened state through the tightening spring 39.
The principle of the smoke generator 10 for alarming: when there is the source of a fire in the forest the inside, can burn out the parcel cover 5 of laying, at this moment, parcel cover 5 is burnt out, and through the effect of the spring 39 that tightens at parcel cover 5 both ends, make the parcel cover 5 that is burnt out no longer by the pulling, consequently can make installation section of thick bamboo 13 under the effect of heavy object 22, the downstream, make bottom block 16 and ground contact, it is ejecting upwards to extrude piston plate 14, make the fuming agent in the installation section of thick bamboo 13 like the ejecting and air contact of yellow phosphorus white phosphorus, produce smog, thereby remind the emergence of personnel's conflagration, make professional or personnel around improve to notice, the prevention conflagration.
In addition, the induction alarm 11 comprises a first annular pressure sensor 26 and a second annular pressure sensor 27 which are fixed on the outer side of the supporting column 2, a supporting plate 28 is fixed on the outer side of the supporting column 2 above the first annular pressure sensor 26 and the second annular pressure sensor 27, and a plurality of secondary trigger assemblies 29 are arranged in the supporting plate 28 at equal angles corresponding to the plurality of wrapping sleeves 5;
the secondary trigger assembly 29 comprises a trigger sleeve 30 which slidably penetrates through the support plate 28, a pressing ring 31 corresponding to the first annular pressure sensor 26 is fixed at the bottom of the trigger sleeve 30, a trigger spring 32 which is in contact with the pressing ring 31 and the bottom of the support plate 28 is sleeved outside the trigger sleeve 30, a first connecting ring 33 is fixed at the top of the trigger sleeve 30 through a connecting rope, the first connecting ring 33 is fixed with the outer side of the wrapping sleeve 5, a trigger rod 34 is slidably inserted in the trigger sleeve 30, a pressing bulge 35 corresponding to the second annular pressure sensor 27 is fixed at the bottom of the trigger rod 34, a second connecting ring 36 is fixed at the top of the trigger rod 34 through a connecting rope, and the second connecting ring 36 is fixed with the inner sleeve 25.
The alarm principle of the induction alarm 11 is as follows: when the fire source will wrap up the cover 5 and burn out, trigger spring 32 can drag first connecting ring 33 to will trigger the cover 30 and move down, with the contact of first annular pressure sensor 26, send alarm information, remind the professional to notice, through the dual warning of the response alarm 11 of smoke generator 10, make the transmission of alarm information more extensive.
First annular pressure sensor 26 and second annular pressure sensor 27 are installed in the support column 2 outside in this scheme to provide the power through solar cell panel 1 and use, transmit information to monitor terminal 3 simultaneously, monitor terminal 3 spreads information again and gives relevant personnel.
In the scheme, in order to avoid the damage of the wrapping sleeve 5 due to long-term insolation, personnel should regularly overhaul and replace;
when the package sleeve 5 is damaged, the smoke generator 10 and the induction alarm 11 can be caused to give an alarm, at the moment, emergency preparation should be made for personnel to inform related personnel timely, when alarm information transmitted by the second annular pressure sensor 27 is not received within a period of time, the package sleeve 5 can be judged to be damaged accidentally, after the alarm is sent by the first annular pressure sensor 26, when the alarm information transmitted by the second annular pressure sensor 27 is also sent, a real fire disaster can be confirmed, the fire disaster can be rescued urgently, and therefore the situation that the alarm and the false alarm are sent out when the sensor or other equipment are damaged accidentally can be avoided, and the waste of disaster relief resources is brought.
In the present embodiment, the first annular pressure sensor 26 and the second annular pressure sensor 27 are preferably of an LTH-K1 model, the circuit operates as a conventional circuit, and the circuits and the control related to the present embodiment are all the prior art, which are not described in too much detail herein.
Example 2
Referring to fig. 7, the difference between the present embodiment and embodiment 1 is that the installation cylinder 13 is installed with smoke material, the top of the installation cylinder 13 is installed with a sealing member 17, the sealing member 17 includes a pressing rod 18 slidably inserted into the male connection plate 12, the top of the pressing rod 18 is fixed with a stopper 19, the bottom of the pressing rod 18 is fixed with a pressing plate 20 slidably connected to the inner wall of the installation cylinder 13, and the outer side of the pressing rod 18 is sleeved with a pressing spring 21 contacting with the pressing plate 20 and the male connection plate 12.
By the action of the extrusion spring 21, the extrusion plate 20 can extrude the smoke agent in the installation cylinder 13, so that the smoke agent is not easily contacted with the outside air, and the waste of the smoke agent is avoided.
Example 3
The present embodiment differs from the other embodiments in that the smoke generator 10 comprises a balloon fixed to two straps 9 and filled with a smoke generating agent.
The balloon is exploded by falling, so that the smoke agent is contacted with air to generate smoke, the mode is simple to operate, and the follow-up maintenance and supplement of the smoke generator 10 are convenient.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Forest fire prevention alarm system, its characterized in that includes:
the solar monitoring system comprises a solar panel (1) and a supporting column (2) used for supporting the solar panel (1), wherein a monitoring terminal (3) is fixed at the top of the supporting column (2);
a plurality of monitoring alarm components (4) for the forest fire in time detect a plurality of monitoring alarm components (4) are installed in the forest and distributed outside the support column (2).
2. A forest fire alarm system as claimed in claim 1 wherein: monitoring alarm subassembly (4) are including a plurality of wraps cover (5) and multiunit mounting panel (6), angle intercommunication such as support column (2) outside has a plurality of connecting pipes (7), and a plurality of wraps cover (5) run through respectively and run through a plurality of connecting pipes (7), two mounting panel (6) are a set of, two the mounting panel (6) outside all is fixed with U type buckle (8), and wraps cover (5) both ends and pass two U type buckles (8) respectively to be fixed with two connecting bands (9), connecting band (9) bottom is fixed with smoke generator (10), and connecting pipe (7) bottom installs response alarm (11).
3. A forest fire alarm system as claimed in claim 2 wherein: smoke generator (10) include with two connecting bands (9) fixed protruding type connecting plate (12), protruding type connecting plate (12) bottom is fixed with installation section of thick bamboo (13), and slides in installation section of thick bamboo (13) and peg graft and have extrusion piston board (14), installation section of thick bamboo (13) bottom slides and runs through have with extrusion piston board (14) bottom fixed slide bar (15), and slide bar (15) bottom is fixed with end piece (16), install smoke material in installation section of thick bamboo (13), and installation section of thick bamboo (13) top installs sealing member (17).
4. A forest fire alarm system as claimed in claim 3 wherein: sealing member (17) are including extrusion stem (18) with protruding type connecting plate (12) slip grafting, extrusion stem (18) top is fixed with spacing block (19), and the bottom be fixed with installation section of thick bamboo (13) inner wall sliding connection's stripper plate (20), the cover of extrusion stem (18) outside has extrusion spring (21) that contact with stripper plate (20) and protruding type connecting plate (12).
5. A forest fire alarm system as claimed in claim 3 wherein: and a heavy object (22) is fixed on the outer side of the mounting cylinder (13).
6. A forest fire alarm system as claimed in claim 2 wherein: wrapping up in cover (5) interpolation has connecting steel cable (23), and connecting steel cable (23) both ends are fixed with two mounting panels (6) respectively, wrapping up in cover (5) both ends and all opening (24) that are used for connecting steel cable (23) and run through, and the interpolation has endotheca (25) between wrapping up in cover (5) and connecting steel cable (23).
7. A forest fire alarm system as claimed in claim 2 wherein: the induction alarm (11) is including fixing first annular pressure sensor (26) and second annular pressure sensor (27) in support column (2) outside, support column (2) outside is located first annular pressure sensor (26) and second annular pressure sensor (27) top and is fixed with backup pad (28), correspond a plurality of wraps up the cover (5) in backup pad (28) and wait the angle and install a plurality of secondary trigger subassembly (29).
8. A forest fire alarm system as claimed in claim 7, wherein: the secondary trigger component (29) comprises a trigger sleeve (30) which is slidably penetrated in the supporting plate (28), a pressing ring (31) corresponding to the first annular pressure sensor (26) is fixed at the bottom of the trigger sleeve (30), and a trigger spring (32) which is contacted with the bottom of the pressing ring (31) and the supporting plate (28) is sleeved outside the trigger sleeve (30), the top of the trigger sleeve (30) is fixed with a first connecting ring (33) through a connecting rope, the first connecting ring (33) is fixed with the outer side of the wrapping sleeve (5), a trigger rod (34) is inserted in the trigger sleeve (30) in a sliding way, a pressing bulge (35) corresponding to the second annular pressure sensor (27) is fixed at the bottom of the trigger rod (34), the top of the trigger rod (34) is fixed with a second connecting ring (36) through a connecting rope, and the second connecting ring (36) is fixed with the inner sleeve (25).
9. A forest fire alarm system as claimed in claim 2 wherein: wrapping up in cover (5) and being close to connecting band (9) one end and being fixed with and support board (37), and wrapping up in cover (5) outside cover have with limiting plate (38) that U type buckle (8) bottom offseted, it has between board (37) and limiting plate (38) to wrap up in cover (5) is located to stretch up spring (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110440097.8A CN113129540B (en) | 2021-04-23 | 2021-04-23 | Forest fire prevention alarm system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110440097.8A CN113129540B (en) | 2021-04-23 | 2021-04-23 | Forest fire prevention alarm system |
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| CN113129540A true CN113129540A (en) | 2021-07-16 |
| CN113129540B CN113129540B (en) | 2022-07-01 |
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| CN202110440097.8A Active CN113129540B (en) | 2021-04-23 | 2021-04-23 | Forest fire prevention alarm system |
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| CN112489343A (en) * | 2020-11-30 | 2021-03-12 | 南京林业大学 | Forest fire prevention alarm device with automatic early warning |
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| KR20040111209A (en) * | 2004-08-07 | 2004-12-31 | 주식회사 하이맥스 | a fire detector |
| CN106408836A (en) * | 2016-10-21 | 2017-02-15 | 上海斐讯数据通信技术有限公司 | Forest fire alarm terminal and system |
| CN208582884U (en) * | 2018-05-31 | 2019-03-08 | 张珀瑞 | A kind of novel forest fireproof isolation strip |
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| CN112489343A (en) * | 2020-11-30 | 2021-03-12 | 南京林业大学 | Forest fire prevention alarm device with automatic early warning |
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| Publication number | Publication date |
|---|---|
| CN113129540B (en) | 2022-07-01 |
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