CN212391863U - Forest fire prevention monitor - Google Patents
Forest fire prevention monitor Download PDFInfo
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- CN212391863U CN212391863U CN202020334489.7U CN202020334489U CN212391863U CN 212391863 U CN212391863 U CN 212391863U CN 202020334489 U CN202020334489 U CN 202020334489U CN 212391863 U CN212391863 U CN 212391863U
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Abstract
The utility model discloses a forest fire prevention monitor, including a shell, a connecting piece, a sensor array, a functional power supply, a main control unit and a communication device. Through this technical scheme, can realize effective early warning and monitoring warning to the condition of a fire under the forest environment through the setting of multisensor array, prolong the working life of energy supply power through reducing the energy consumption, reduce the fortune dimension cost in later stage by a wide margin, have extensive suitability and spreading value.
Description
Technical Field
The utility model relates to a forest disaster prevention and control field especially relates to a forest fire prevention monitor.
Background
Forest fires are the most dangerous enemies of forests and the most feared disasters of forestry, which can cause 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, and even cause the ecological environment to lose balance.
In the prior art, the following modes are often adopted for monitoring forest fires, and all the modes have obvious defects:
1) manual patrol: the method has the defects that the efficiency is too low, the method cannot go deep into the forest or a dangerous terrain environment due to the limitation of the routing inspection route, and the method cannot respond to the fire in time;
2) lookout tower: the method has the defects that observation effect is easily limited by terrain and topography, coverage is small, a large number of dead angles and margins which cannot be observed exist, meanwhile, effective observation cannot be achieved on a large-area fire field, residual fire and underground fire with heavy smoke, observation cannot be carried out on the tower in thunder weather, and great limitation and error exist;
3) video intelligent monitoring: the method has the defects that the arrangement of the video monitoring terminal is limited by the terrain and the topography, the coverage is small, a large number of blind corners and blank spaces which cannot be observed exist, and the influence of weather conditions is large; meanwhile, video monitoring scanning also has the problems of long scanning period and incapability of real-time monitoring, and also can only find out big fire, easily generates missing reports on small fire, underground fire and the like, and cannot realize effective early warning;
4) satellite remote sensing monitoring: the defects of the mode are that the time period between two times of monitoring is long, real-time monitoring cannot be realized, large fire can be found, the remote sensing monitoring granularity is coarse, and the data accuracy is not enough.
Traditional fire control monitoring facilities because designs such as the waterproof dustproof protection against insects of disappearance, worth forest environment shortcoming, no network, can't direct application to the forest environment in, therefore need a forest fire prevention monitor that can satisfy each item demand urgently.
Disclosure of Invention
To the above-mentioned problem that exists among the prior art, now provide a forest fire prevention monitor, specific technical scheme is as follows:
a forest fire prevention monitor, its characterized in that specifically includes:
the shell is cylindrical, the lower part of the shell is provided with an annular insect-proof net, and the inside of the shell comprises a closed cavity;
one end of the connecting piece is sleeved in the middle of the shell and fixedly connected with the shell, and the other end of the connecting piece is fixedly connected with a trunk;
the sensor array is arranged at the bottom of the shell and comprises a plurality of sub-sensors;
an energy supply source fixedly arranged in the closed cavity;
the main controller is fixedly arranged in the closed cavity and is respectively and electrically connected with the sensor array and the energy supply power supply;
and the communication device is fixedly arranged in the closed cavity and is electrically connected with the main controller.
Preferably, the forest fire prevention monitor further comprises a plurality of infrared sensors and a geomagnetic sensor;
infrared sensor sets up in the lateral part of shell and is fan-shaped evenly distributed, and earth magnetic sensor sets up in airtight cavity, and main control unit is connected to every infrared sensor and the equal electricity of earth magnetic sensor.
Preferably, the forest fire prevention monitor, wherein the communication device comprises a PCB omnidirectional antenna, and the PCB omnidirectional antenna is disposed in the enclosed cavity.
Preferably, the forest fire prevention monitor is characterized in that the communication device comprises an SMA omnidirectional antenna, and the SMA omnidirectional antenna is arranged at the top of the shell.
Preferably, the forest fire prevention monitor is one in which the energy supply source is a high capacity lithium battery or a rechargeable lithium battery.
Preferably, the forest fire prevention monitor is provided, wherein the energy supply source is electrically connected with an energy collecting device;
the energy acquisition device is prepared based on a piezoelectric material and is arranged in the closed cavity.
Preferably, the forest fire prevention monitor is one in which the sensor array includes a temperature sensor, a humidity sensor, a smoke sensor, a carbon monoxide sensor, a carbon dioxide sensor, a volatile organic compound sensor and an air pressure sensor.
The technical scheme has the following advantages or beneficial effects:
effective early warning and monitoring warning to the condition of a fire under the forest environment can be realized through the setting of multisensor array, through reducing the working life that the energy consumption prolongs the energy supply power, has reduced the fortune dimension cost in later stage by a wide margin, has extensive suitability and spreading value.
Drawings
Fig. 1 is the utility model relates to a among forest fire prevention monitor and control system, forest fire prevention monitor's schematic structure.
Fig. 2 is the utility model relates to a forest fire prevention monitor and control system thereof, the internal structure of forest fire prevention monitor schematic diagram.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
Aiming at the problems in the prior art, the forest fire prevention monitor and the control system thereof are provided, and the specific technical scheme is as follows:
a forest fire prevention monitor is shown in figures 1-2, and specifically comprises:
the shell 1 is cylindrical, the lower part of the shell 1 is provided with an annular insect-proof net 11, and the shell 1 comprises a closed cavity 12 inside;
one end of the connecting piece 2 is sleeved in the middle of the shell 1 and is fixedly connected with the shell 1, and the other end of the connecting piece 2 is fixedly connected with a trunk;
the sensor array 3 is arranged at the bottom of the shell 1, and the sensor array 3 comprises a plurality of sub sensors;
an energy supply source 4 fixedly arranged in the closed cavity 12;
the main controller 5 is fixedly arranged in the closed cavity 12, is respectively and electrically connected with the sensor array 3 and the energy supply source 4, and is used for controlling the working state of each sub-sensor in the sensor array 3, collecting the collected data of each sub-sensor and outputting alarm information;
and the communication device 6 is fixedly arranged in the closed cavity 12 and electrically connected with the main controller 5, and is used for realizing remote transmission of alarm information.
In a preferred embodiment of the present invention, the technical solution is further explained and explained:
in the above preferred embodiment, the casing 1 of the forest fire prevention monitor is made of high-strength mixed fiber material, and preferably has a cylindrical shape, the lower part of the casing is provided with the sensor array 3 for acquiring early warning information, and the outside of the sensor array 3 is provided with the insect-proof net 11 for insect-proof protection, and the forest fire prevention monitor is fixed on the trunk of a forest tree with a ground clearance of about 2m through the connecting piece 2, so as to ensure that the sensor array 3 below can acquire required acquisition data.
In the above preferred embodiment, the fire monitor manages the working condition of the sensor array 3 through the main controller 5 and remotely transmits data through the communication device 6, as shown in fig. 2, the power supply 4, the main controller 5 and the communication device 6 are all integrated on a PCB, and the PCB is fixedly disposed in the sealed cavity 12.
In a preferred embodiment, the forest fire prevention monitor further comprises a plurality of infrared sensors 7 and a geomagnetic sensor;
The utility model discloses a in another preferred embodiment, for the monitoring ability of reinforcing fire prevention monitor, add a plurality of infrared sensor 7 on shell 1, infrared sensor 7 can judge whether the condition of a fire appears according to the ascending temperature variation in monitoring direction, and then realize the infrared monitoring of fire source.
In the above preferred embodiment, three infrared sensors 7 are provided at most, and they are distributed in a fan shape of 90-120 ° in the horizontal direction away from the trunk, and the infrared sensors are matched with the compass in the geomagnetic sensor in positioning, so that the infrared sensors can provide the direction angle of the fire direction when the fire occurs while monitoring the fire, which is helpful for the accurate positioning of the fire fighter and the investigation of the origin of the fire afterwards.
In a preferred embodiment, the forest fire prevention monitor is such that the communication means 6 comprises a PCB omnidirectional antenna, which is arranged within the enclosed cavity.
As a preferred embodiment, the forest fire prevention monitor is of the kind wherein the communication means 6 comprises an SMA omnidirectional antenna, the SMA omnidirectional antenna being arranged at the top 61 of the housing.
In another preferred embodiment of the present invention, because the deep forest environment generally lacks network connection, the data transmission technology such as NB-IoT is not suitable, and it is necessary to adopt ad-hoc network, self-repairing, wireless sensor network networking scheme with multi-hop transmission capability based on a plurality of fire monitors arranged in the same forest area. In this context, the communication device 6 employs a Sub-GHz (including 433MHz, 470MHz, 868MHz, 915MHz, etc.) wireless frequency band with long communication distance and good diffraction performance, and at least one front-end power amplifier circuit is required to be included in the communication device to improve communication distance and transmission reliability; the communication antenna aspect can adopt SMA or PCB omnidirectional antenna: when an omnidirectional antenna integrated on a PCB board is used, the antenna can be built in the closed cavity 12; when the SMA omnidirectional antenna is used, the antenna 61 may be built in or mounted on the top of the sensor housing 1 to enhance the signal receiving function, and for the external mounting of the antenna, the waterproof adhesive treatment is required at the joint in addition to the conventional process means such as the waterproof gasket, so as to ensure the sealing property.
Preferably, the fire protection monitor can not only upload the monitoring data of the fire protection monitor through a wireless network, but also serve as a forwarding node to forward the monitoring data transmitted by other fire protection monitors in the same area; a multi-hop ad hoc network wireless detection network consisting of a plurality of fire prevention monitors can realize wide area coverage of a forest area, and the two fire prevention monitors are in transfer communication based on a CSMA/CD mechanism and in combination with a Time Division Multiple Access (TDMA) or Frequency Division Multiple Access (FDMA) mode, so that reliable uploading of monitoring data is guaranteed.
In a preferred embodiment, the forest fire prevention monitor is a high-capacity lithium battery or a rechargeable lithium battery as the power supply 4.
In a preferred embodiment, the forest fire prevention monitor is provided, wherein the energy supply source 4 is electrically connected with an energy collecting device 41;
the energy harvesting device 41 is made of a piezoelectric material and is arranged in the closed cavity 12.
In another preferred embodiment of the present invention, because the power supply difficulty and insufficient illumination are common in deep forest environment, the traditional wired power supply, solar energy, wind power supply and other means can only be applied in very limited scenes, so the fire monitor adopts the power supply mode with battery, uses rechargeable large-capacity lithium battery to supply power, and is also provided with an energy collecting device based on piezoelectric material, the device is integrated in the closed cavity 12, collects energy from the environmental background noise (background vibration caused by trembling, air flowing and the like), charges super capacitor or rechargeable lithium battery to supply power to the fire monitor, thereby improving the overall working life of the system; the fire monitor using the energy supply source 4 can finally reach the design service life of about 10 years.
As a preferred embodiment, the forest fire monitor is of the kind wherein the sensor array 3 comprises a temperature sensor, a humidity sensor, a smoke sensor, a carbon monoxide sensor, a carbon dioxide sensor, a volatile organic compound sensor and a barometric pressure sensor.
In another preferred embodiment of the present invention, the sensor array 3 at least comprises a temperature sensor, a humidity sensor, a smoke sensor, a carbon monoxide sensor, a carbon dioxide sensor, a volatile organic compound sensor and an air pressure sensor, wherein the temperature sensor and the smoke sensor are applied to monitoring the forest open fire and the forest fire, and the monitoring concentration of the carbon monoxide and the carbon dioxide is confirmed by cross comparison with the temperature and humidity change and the smoke concentration, so as to reduce false alarm and false negative alarm of the fire; in addition, indexes such as temperature, humidity, air pressure and volatile organic compounds can be continuously monitored, so that fire hazard indexes can be researched and judged, early warning information is provided, the monitoring accuracy rate can be improved and the false alarm rate can be reduced through the arrangement of the multiple sensors, and the monitoring capability of the fire prevention monitor is improved.
In another preferred embodiment of the present invention, the forest fire monitor further comprises a clock device, so that the fire monitors in the same forest area can keep clock synchronization, and can provide necessary system time service to the main controller 5 and the communication device 6 when the early warning time occurs, and the clock device is implemented by a clock circuit based on a 32.768KHz crystal oscillator.
To sum up, can realize effective early warning and monitoring warning to the condition of a fire under the forest environment through the setting of multisensor array, through reducing the working life that the energy supply power was prolonged to the energy consumption, reduced the fortune maintenance cost in later stage by a wide margin, have extensive suitability and spreading value.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (7)
1. A forest fire prevention monitor, its characterized in that specifically includes:
the shell is cylindrical, an annular insect-proof net is arranged at the lower part of the shell, and a closed cavity is formed in the shell;
one end of the connecting piece is sleeved in the middle of the shell and is fixedly connected with the shell, and the other end of the connecting piece is fixedly connected with a trunk;
a sensor array disposed at the bottom of the housing, the sensor array including a plurality of sub-sensors;
the energy supply power supply is fixedly arranged in the closed cavity;
the main controller is fixedly arranged in the closed cavity and is respectively and electrically connected with the sensor array and the energy supply power supply;
and the communication device is fixedly arranged in the closed cavity and is electrically connected with the main controller.
2. A forest fire monitor as claimed in claim 1, wherein the forest fire monitor further comprises a plurality of infrared sensors and a geomagnetic sensor;
infrared sensor set up in the lateral part of shell is fan-shaped evenly distributed, geomagnetic sensor set up in the airtight cavity, every infrared sensor with geomagnetic sensor all connects the electricity main control unit.
3. A forest fire monitor as claimed in claim 1, wherein the communications means comprises a PCB omnidirectional antenna, the PCB omnidirectional antenna being disposed within the enclosed cavity.
4. A forest fire monitor as claimed in claim 1, wherein the communications means comprises an SMA omnidirectional antenna, the SMA omnidirectional antenna being disposed at the top of the housing.
5. A forest fire monitor as claimed in claim 1, wherein the energy supply is a high capacity lithium battery or a rechargeable lithium battery.
6. A forest fire monitor as claimed in claim 1, wherein the power supply is electrically connected to an energy harvesting device;
the energy acquisition device is prepared based on a piezoelectric material and is arranged in the closed cavity.
7. A forest fire monitor as claimed in claim 1, wherein the sensor array comprises a temperature sensor, a humidity sensor, a smoke sensor, a carbon monoxide sensor, a carbon dioxide sensor, a volatile organic compound sensor and a barometric pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020334489.7U CN212391863U (en) | 2020-03-17 | 2020-03-17 | Forest fire prevention monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020334489.7U CN212391863U (en) | 2020-03-17 | 2020-03-17 | Forest fire prevention monitor |
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| CN212391863U true CN212391863U (en) | 2021-01-22 |
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| CN202020334489.7U Active CN212391863U (en) | 2020-03-17 | 2020-03-17 | Forest fire prevention monitor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218454A (en) * | 2021-05-24 | 2021-08-06 | 中国科学院生态环境研究中心 | Forest environment data collection device |
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2020
- 2020-03-17 CN CN202020334489.7U patent/CN212391863U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218454A (en) * | 2021-05-24 | 2021-08-06 | 中国科学院生态环境研究中心 | Forest environment data collection device |
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