CN212541523U - Self-powered photoelectric smoke alarm and system for forest fire - Google Patents
Self-powered photoelectric smoke alarm and system for forest fire Download PDFInfo
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- CN212541523U CN212541523U CN202022032611.8U CN202022032611U CN212541523U CN 212541523 U CN212541523 U CN 212541523U CN 202022032611 U CN202022032611 U CN 202022032611U CN 212541523 U CN212541523 U CN 212541523U
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Abstract
The utility model relates to a smoke alarm and system of self-powered photoelectric type forest fire mainly relate to the fire early warning field. The application provides a smoke alarm includes: base, a housing, the light source, photoelectric sensor, solar cell panel and alarm device, when this smoke alarm worked, this solar cell panel absorbed solar energy, be used for this light source power supply, because be provided with a plurality of bleeder vents on the casing, the gaseous cavity that enters into through the bleeder vent of surrounding environment, the light that the light source sent need pass through this cavity and reach photoelectric sensor, if there is smog in the gaseous of surrounding environment, and because the luminousness of smog is far less than the luminousness of air, the amount of the light that the light source produced reachs on the photoelectric sensor reduces, based on photoelectric sensor's principle, the electric quantity that this photoelectric sensor produced weakens along with the reduction of absorbed light, this photoelectric sensor's circuit state has been destroyed, this smoke alarm carries out fire alarm.
Description
Technical Field
The utility model relates to a conflagration early warning field mainly relates to a smoke alarm and system of self-powered photoelectric type forest fire.
Background
The climate is warmed, the extreme weather is increased, the global forest fire is in the high-occurrence period, and the forest fire risk is aggravated; forest resources are increasing day by day, the combustible load in the forest is continuously increased, China enters a forest fire high-risk period, and the forest fire prevention pressure is aggravated; influenced by traditional customs and various operation activities, wildfire is increased, China is still in the period of forest fire incident, and the difficulty of forest fire prevention is increased. The number of large-area forest watchtowers is insufficient, supporting living facilities are simple and crude, the application level of a forest fire video monitoring system is not high, and the fire watchcoverage rate is only 68.1%. The satellite forest fire monitoring timeliness is not high, the spatial resolution is only 1 kilometer, and the identification capability needs to be improved. In 2016, the early warning of the forest fire in China is mainly achieved by electronic watchtowers and artificial watchtowers, 3245 forest fire element monitoring stations are arranged in the country, 746 combustible factor acquisition stations are arranged, 9312 artificial watchtowers are arranged, 3998 sets of video monitoring systems are arranged, and the fire observation coverage rate is 68.1%. Aiming at the current situations that the early warning response mechanism is imperfect, the forest fire monitoring precision and timeliness are not high, and blind areas exist in observation, an informatization technology and a modern high-tech means are urgently needed to be utilized, the application of a new technology is strengthened, an early warning mode is innovated, response measures are strengthened, and a perfect forest fire danger early warning response system is constructed.
The fire alarm device in the prior art mainly detects the temperature in the coverage area of the device, and when the temperature reaches a preset threshold value, the fire alarm device gives an alarm.
However, the forest environment is complex, the ignition point of some inflammable substances is low, if the environment temperature is judged to be greater than the preset threshold value to judge whether a fire disaster occurs, the fire behavior of the inflammable substances with low ignition point is easily ignored, and the warning and early warning are not easy to be performed when the fire disaster just occurs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a smog annunciator and system of self-powered photoelectric type forest fire to not enough among the above-mentioned prior art to whether judging whether to take place the conflagration through judging ambient temperature and being greater than the predetermined threshold value among the solution prior art, easily cause the intensity of a fire of neglecting the lower inflammables of ignition, and be difficult for carrying out the problem of alarm early warning when the conflagration just takes place.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, the application provides a smoke alarm of self-powered photoelectric type forest fire, smoke alarm includes: the device comprises a base, a shell, a light source, a photoelectric sensor, a solar cell panel and an alarm device; the shell is arranged on one side of the base, a hole is formed in one end, away from the base, of the shell, the solar cell panel is arranged inside the hole, and the solar cell panel, the base and the shell form a cavity; in the cavity, solar cell panel is close to base one side and is provided with the light source, and the light source is connected with the solar cell panel electricity, is provided with photoelectric sensor on the base, and photoelectric sensor sets up with the light source relatively, and photoelectric sensor is used for turning into the electric energy with the light of light source outgoing, and alarm device sets up inside the cavity, and is connected with photoelectric sensor electricity, is provided with a plurality of bleeder vents on the casing.
Optionally, the smoke alarm further comprises a lens, the lens is arranged between the light source and the photoelectric sensor in the cavity, and the lens is a converging lens.
Optionally, the lens is a lens group.
Optionally, the shell is of a double-layer structure, a plurality of air holes are formed in the shell of the double-layer structure, and the air holes in the double-layer structure are arranged in a staggered mode.
Optionally, the smoke alarm further comprises a storage battery, and the storage battery is arranged inside the cavity and is electrically connected with the solar cell panel and the light source respectively.
Optionally, the alarm device is: at least one of an audible and visual alarm, an audible alarm and a visual alarm.
Optionally, the smoke alarm further comprises a signal emitting device disposed inside the cavity and electrically connected to the photoelectric sensor.
In a second aspect, the present application provides a smoke alarm system of self-powered photoelectric type forest fire, smoke alarm system includes: a processor and a smoke alarm as in any one of the first to the second aspects, the smoke alarm being in communicative connection with the processor
The utility model has the advantages that:
the application provides a smoke alarm includes: the device comprises a base, a shell, a light source, a photoelectric sensor, a solar cell panel and an alarm device; the shell is arranged on one side of the base, a hole is formed in one end, away from the base, of the shell, the solar cell panel is arranged inside the hole, and the solar cell panel, the base and the shell form a cavity; in the cavity, a light source is arranged on one side of the solar cell panel close to the base, the light source is electrically connected with the solar cell panel, a photoelectric sensor is arranged on the base and is opposite to the light source, the photoelectric sensor is used for converting light emitted by the light source into electric energy, an alarm device is arranged in the cavity and is electrically connected with the photoelectric sensor, a plurality of air holes are arranged on the shell, when the smoke alarm works, the solar cell panel absorbs solar energy and is used for supplying power to the light source, because the plurality of air holes are arranged on the shell, gas in the surrounding environment enters the cavity through the air holes, the light emitted by the light source needs to reach the photoelectric sensor through the cavity, if smoke exists in the gas in the surrounding environment, and because the light transmittance of the smoke is far smaller than that of the air, the amount of the light generated by the light source reaching, based on photoelectric sensor's principle, the electric quantity that this photoelectric sensor produced weakens along with the reduction of absorbed light, has destroyed this photoelectric sensor's circuit state, and this smoke alarm carries out fire alarm, because this application adopts photoelectric conversion to realize the detection to smog for the smoke alarm sensitivity of this application is higher, and adopts smog to judge whether there is the emergence of conflagration, and smog production is before producing open flame, so the smoke alarm that this application provided can report to the police before open flame produces, has very high ageing.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a self-powered photoelectric smoke alarm for forest fire according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a self-powered photoelectric smoke alarm for forest fires according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of another self-powered photoelectric smoke alarm for forest fires according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of another self-powered photoelectric smoke alarm for forest fires according to an embodiment of the present invention.
Icon: 10-a base; 20-a housing; 30-a light source; 40-a photosensor; 50-a solar panel; 60-an alarm device; 70-a lens; 80-storage battery.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to make the implementation of the present invention clearer, the following detailed description will be made with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a self-powered photoelectric smoke alarm for forest fire according to an embodiment of the present invention; fig. 2 is a cross-sectional view of a self-powered photoelectric smoke alarm for forest fires according to an embodiment of the present invention; as shown in fig. 1 and 2, the present application provides a self-powered photoelectric forest fire smoke alarm, comprising: the solar energy alarm device comprises a base 10, a shell 20, a light source 30, a photoelectric sensor 40, a solar panel 50 and an alarm device 60; the shell 20 is arranged on one side of the base 10, a hole is formed in one end, away from the base 10, of the shell 20, the solar cell panel 50 is arranged in the hole, and the solar cell panel 50, the base 10 and the shell 20 form a cavity; in the cavity, solar cell panel 50 is close to base 10 one side and is provided with light source 30, and light source 30 is connected with solar cell panel 50 electricity, is provided with photoelectric sensor 40 on the base 10, and photoelectric sensor 40 sets up with light source 30 relatively, and photoelectric sensor 40 is used for turning into the electric energy with the light of light source 30 outgoing, and alarm device 60 sets up inside the cavity, and is connected with photoelectric sensor 40 electricity, is provided with a plurality of bleeder vents on the casing 20.
The shape of the housing 20 may be a rectangular parallelepiped, a cylinder, or a cone, and is not specifically limited herein, for convenience of description, the shape of the housing 20 is described as a cone, a hole is formed at the top of the cone of the housing 20, so that the housing 20 is equivalent to a circular truncated cone with holes at two ends, the solar panel 50 is disposed in the hole at the smaller end of the cone of the housing 20, generally, the shape of the solar panel 50 is the same as the shape of the hole, the surface area of the solar panel 50 is equal to the surface area of the hole, the base 10 is disposed at the larger end of the surface area of the housing 20, then the housing 20, the solar panel 50, and the base 10 form a cavity, the light source 30 is disposed at the back of the solar panel 50 inside the cavity, the light source 30 may be a pulse laser, or a small bulb, the photoelectric sensor 40 is disposed on the base 10 inside the cavity, and the photoelectric sensor 40 is disposed opposite to the light source 30, so that light generated by the light source 30 can irradiate the photoelectric sensor 40, the photoelectric sensor 40 converts light energy into electrical energy, a plurality of air holes are disposed on a wall of the housing 20, the air holes are used for exchanging gas with the external environment, the smoke alarm provided by the present application is used for detecting whether a fire occurs in the external environment, since the air holes are disposed on the housing 20, when a fire does not occur in the external environment, smoke does not exist in the air inside the cavity, light generated by the light source 30 can be directly transmitted to the photoelectric sensor 40, the photoelectric sensor 40 converts light energy into electrical energy, and the conversion efficiency of the photoelectric sensor 40 converting light energy into electrical energy is constant, the amount of power in the photosensor 40 is related to the amount of light impinging on the photosensor 40; when a fire disaster is about to happen externally or at the initial stage of the fire disaster, smoke is generated and enters the cavity along the air vent, the light transmittance of the smoke is far smaller than that of air, the amount of light generated by the light source 30 reaching the photoelectric sensor 40 is reduced, based on the principle of the photoelectric sensor 40, the electric quantity generated by the photoelectric sensor 40 is weakened along with the reduction of the absorbed light, the circuit state of the photoelectric sensor 40 is damaged, the alarm gives a fire alarm, the alarm gives an alarm according to the current condition of a circuit connected with the photoelectric sensor 40, namely when the current in the circuit connected with the photoelectric sensor 40 is smaller than a preset threshold value, the alarm gives an alarm, and the threshold value is set according to actual needs without specific limitation. And because this application adopts photoelectric conversion to realize the detection to smog for the smog alarm of this application sensitivity is higher, and adopts smog to judge whether there is the emergence of conflagration, and the production of smog is before producing the naked light, so the smog alarm that this application provided can report to the police before the naked light produces, has very high ageing.
In addition, the photo sensor 40 is a photo sensor, and can convert an optical signal into an electrical signal, i.e., generate photo electricity, by using the principle of the photoelectric effect. The photoelectric sensor comprises a cathode K, an anode A, a light transmission hole and a variable voltage device, wherein the cathode K and the anode A are packaged in a vacuum tube, the light transmission hole is formed between the cathode K and the anode A, the variable voltage device is arranged between the cathode K and the anode A, the variable voltage device can generate variable voltage, when light irradiates the cathode K through the light transmission hole, electrons escape from the electrode K and move to the A pole under the action of the light, so that a large amount of negative charges are charged on the A pole, the K pole loses positive charges of the electrons, and the electrons are accelerated by an electric field to form current (called photocurrent).
Fig. 3 is a cross-sectional view of another self-powered photoelectric smoke alarm for forest fires according to an embodiment of the present invention; as shown in fig. 3, optionally the smoke alarm further comprises a lens 70, the lens 70 being disposed between the light source 30 and the photosensor 40 within the cavity, and the lens 70 being a converging lens.
The lens 70 is disposed on the light path of the light source 30 and the photosensor 40, and the lens 70 is a converging lens for further converging the light generated by the light source 30 and transmitting the converged light to the photosensor 40. since the lens 70 can further converge the light generated by the light source 30, it is equivalent to amplify the light generated by the light source 30, when smoke exists in the cavity, the amount of light received by the photosensor 40 changes more, and the sensitivity of the smoke alarm is further improved.
Optionally, the lens 70 is a lens group.
The lens 70 may be a lens group, and the lens group formed by a plurality of lenses 70 may further converge the light generated by the light source 30 to a greater extent, and transmit the converged light to the photosensor 40, which is equivalent to further amplify the light generated by the light source 30, when there is smoke in the cavity, the amount of light received by the photosensor 40 changes more, and the sensitivity of the smoke alarm is further improved.
Optionally, the casing 20 is a double-layer structure, a plurality of air holes are formed in the casing 20 of the double-layer structure, and the air holes in the double-layer structure are arranged in a staggered manner.
This casing 20 is bilayer structure's casing 20, and all is provided with the bleeder vent on every layer structure, and the bleeder vent between the bilayer structure is crisscross arranges each other for inside light can not enter into this cavity through the bleeder vent between the bilayer structure, and inside smog and gas can enter into this air through this bleeder vent, reduced external impurity light to this photoelectric sensor 40's influence, increased the detection accuracy of this application to smog.
Fig. 4 is a cross-sectional view of another self-powered photoelectric smoke alarm for forest fire according to an embodiment of the present invention, as shown in fig. 4, optionally, the smoke alarm further includes a storage battery 80, and the storage battery 80 is disposed inside the cavity and electrically connected to the solar cell panel 50 and the light source 30, respectively.
This battery 80 one end is connected with solar cell panel 50 electricity, the other end is connected with light source 30 electricity, this battery 80 is used for when this solar cell panel 50 produces unnecessary electric quantity, store unnecessary electric quantity, and when this solar cell panel 50 can not work, replace this solar cell panel 50 to supply power for this light source 30, generally, when having the sun, this solar cell panel 50 charges for this battery 80, when having no sun, this battery 80 supplies power for this light source 30.
Optionally, the alarm device 60 is: at least one of an audible and visual alarm, an audible alarm and a visual alarm.
The alarm device 60 may be any one of an audible and visual alarm, an audible alarm and an optical alarm, or may be a plurality of audible and visual alarms, and it should be noted that the number of the alarm devices 60 is set according to actual conditions, and is not specifically limited herein.
Optionally, the smoke alarm further comprises a signal emitting device disposed within the cavity and electrically connected to the photoelectric sensor 40.
The signal transmitting device is used for sending alarm information, when the current generated by the photoelectric sensor 40 in the smoke alarm is smaller than a preset threshold value, the signal transmitting device is excited to generate an alarm signal to the outside, the signal transmitting device is electrically connected with the photoelectric sensor 40, and the photoelectric sensor 40 supplies electric energy to the signal transmitting device.
The application provides a smoke alarm includes: the solar energy alarm device comprises a base 10, a shell 20, a light source 30, a photoelectric sensor 40, a solar panel 50 and an alarm device 60; the shell 20 is arranged on one side of the base 10, a hole is formed in one end, away from the base 10, of the shell 20, the solar cell panel 50 is arranged in the hole, and the solar cell panel 50, the base 10 and the shell 20 form a cavity; in the cavity, a light source 30 is arranged on one side of a solar cell panel 50 close to a base 10, the light source 30 is electrically connected with the solar cell panel 50, a photoelectric sensor 40 is arranged on the base 10, the photoelectric sensor 40 is arranged opposite to the light source 30, the photoelectric sensor 40 is used for converting light emitted by the light source 30 into electric energy, an alarm device 60 is arranged in the cavity and is electrically connected with the photoelectric sensor 40, a plurality of air holes are arranged on a shell 20, when the smoke alarm works, the solar cell panel 50 absorbs solar energy and is used for supplying power to the light source 30, because the shell 20 is provided with the plurality of air holes, gas in the surrounding environment enters the cavity through the air holes, the light emitted by the light source 30 needs to reach the photoelectric sensor 40 through the cavity, if smoke exists in the gas in the surrounding environment, and because the light transmittance of the smoke is far smaller, the quantity of light that light source 30 produced arrived on photoelectric sensor 40 reduces, based on the principle of photoelectric sensor 40, the electric quantity that this photoelectric sensor 40 produced weakens along with the reduction of absorbed light, destroyed this photoelectric sensor 40's circuit state, this smoke alarm carries out fire alarm, because this application adopts photoelectric conversion to realize the detection to smog, make the smoke alarm sensitivity of this application higher, and adopt smog to judge whether there is the emergence of fire, and the production of smog is before producing open fire, so the smoke alarm that this application provided can report to the police before open fire produces, has very high ageing.
The application provides a smog alarm system of self-powered photoelectric type forest fire, smog alarm system includes: the processor is connected with any one of the smoke alarms in a communication mode.
The processor receives the alarm information of the smoke alarm and processes the alarm information.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A self-powered photoelectric forest fire smoke alarm, comprising: the device comprises a base, a shell, a light source, a photoelectric sensor, a solar cell panel and an alarm device; the shell is arranged on one side of the base, a hole is formed in one end, far away from the base, of the shell, the solar cell panel is arranged in the hole, and the solar cell panel, the base and the shell form a cavity; in the cavity, solar cell panel is close to base one side and is provided with the light source, the light source with the solar cell panel electricity is connected, be provided with on the base photoelectric sensor, just photoelectric sensor with the light source sets up relatively, photoelectric sensor be used for with the light of light source outgoing turns into the electric energy, alarm device sets up inside the cavity, and with the photoelectric sensor electricity is connected, be provided with a plurality of bleeder vents on the casing.
2. A self-powered electro-optic forest fire smoke alarm according to claim 1 and further comprising a lens disposed between the light source and the photo-sensor within the cavity, the lens being a converging lens.
3. A self-powered electro-optical forest fire smoke alarm according to claim 2 in which the lens is a lens group.
4. A self-powered photoelectric forest fire smoke alarm as claimed in claim 2, wherein the housing is of a double-layer structure, a plurality of air holes are formed in each of the double-layer structure housing, and the air holes in the double-layer structure are arranged in a staggered manner.
5. A self-powered photoelectric forest fire smoke alarm as claimed in claim 2, characterised in that the smoke alarm further comprises a battery arranged inside the cavity and electrically connected to the solar panel and the light source, respectively.
6. A self-powered photoelectric forest fire smoke alarm according to any of claims 1-5 and wherein said alarm means is: at least one of an audible and visual alarm, an audible alarm and a visual alarm.
7. A self-powered photoelectric forest fire smoke alarm according to any of claims 1-5 and comprising signal emitting means arranged inside said cavity and electrically connected to said photoelectric sensor.
8. A self-powered photoelectric smoke alarm system for forest fires, the smoke alarm system comprising: a processor and a smoke alarm as claimed in any one of claims 1 to 7 communicatively connected to said processor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022032611.8U CN212541523U (en) | 2020-09-16 | 2020-09-16 | Self-powered photoelectric smoke alarm and system for forest fire |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022032611.8U CN212541523U (en) | 2020-09-16 | 2020-09-16 | Self-powered photoelectric smoke alarm and system for forest fire |
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| CN212541523U true CN212541523U (en) | 2021-02-12 |
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| CN202022032611.8U Active CN212541523U (en) | 2020-09-16 | 2020-09-16 | Self-powered photoelectric smoke alarm and system for forest fire |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111968332A (en) * | 2020-09-16 | 2020-11-20 | 中北大学 | Self-powered photoelectric smoke alarm and system for forest fire |
| CN114241703A (en) * | 2021-12-17 | 2022-03-25 | 杭州视洞科技有限公司 | Method of intelligent household monitoring camera capable of giving fire alarm |
-
2020
- 2020-09-16 CN CN202022032611.8U patent/CN212541523U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111968332A (en) * | 2020-09-16 | 2020-11-20 | 中北大学 | Self-powered photoelectric smoke alarm and system for forest fire |
| CN114241703A (en) * | 2021-12-17 | 2022-03-25 | 杭州视洞科技有限公司 | Method of intelligent household monitoring camera capable of giving fire alarm |
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