CN206863895U - A kind of fire early-warning system under natural environment - Google Patents
A kind of fire early-warning system under natural environment Download PDFInfo
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- CN206863895U CN206863895U CN201720444601.0U CN201720444601U CN206863895U CN 206863895 U CN206863895 U CN 206863895U CN 201720444601 U CN201720444601 U CN 201720444601U CN 206863895 U CN206863895 U CN 206863895U
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Abstract
The utility model discloses the fire early-warning system under a kind of natural environment, including：The condition of a fire identifying unit of natural environment and the distance host with the image acquisition units short wave communication in the wild are set；Described image acquisition units include image capture module and image processing module；It is characterized in that：The image acquisition units also include shortwave digital transmission communication module；In identification process, by the sequence of frames of video of image capture module collection current monitored area, and the sequence of frames of video is sent to described image processing module, generation represents the data signal whether current monitored area occurs the result of determination of fire after being analyzed by image processing module, the data signal is received by described shortwave digital transmission communication module, sent after being demodulated to analog signal to distance host.By using existing ripe technical scheme, remote, the inexpensive communication under field and outdoor environment ensure that.The technology maturation of use, circuit system is safe and reliable, is fully compatible for large-scale popularization and use in scene in the wild.
Description
Technical field
The fire early-warning system under a kind of natural environment is the utility model is related to, relates generally to Patent classificating number G08 signals
Device G08B recoil simulators or calling device；Instruct transmitting device；Warning device G08B17/00 fire-alarms；Response blast
Alarm.
Background technology
The uncertainty occurred due to fire and polytropy, conventional fire detector inevitably monitored environment
It is more prominent in the influence of factor, the especially fire monitoring under natural environment and large space.Existing main fire alarm
Class product, mainly include, feel cigarette type fire alarm, be flue gas and to send alarm signal according to caused by detection fire.Temperature sensitive type
Fire alarm, it is that due to fire, caused temperature change sends alarm signal for detection.Compound detection, is added
The number and type of probe, multisensor combined monitoring.
The sensor of the above-mentioned type in the field environment, is easy to receive the influence of environment meteorological factor and causes to fail.
Such as the temperature and cigarette of fire, it is easy to be dispelled by high wind so that sensor can not accurately perceive the current condition of a fire, and high wind is often
The intensity of a fire can be strengthened, cause the generation of serious fire.
Emerging image-type fire detection means, the principle of infrared imaging can be utilized to obtain the infrared figure that burning is sent
As carrying out image procossing so as to reach the purpose of monitoring, compared with traditional parameters sensor, the shadow of the external interference factor such as wind-engaging
Sound is smaller, monitoring fail to report and rate of false alarm all substantially reduces, be particularly suitable for the complicated field of meteorological model environment and use.
However, the equipment of existing such a video identification class, data processing amount is larger, typically after collection in worksite image
To transmit to Surveillance center, unified calculation process, it is not problem completely to monitor indoors, but in the wild, it is especially scarcely populated
Forest farm, playground region, general communication can all produce huge obstacle, and the sequence of frames of video for transmitting big data quantity is even more very tired
It is difficult.
Utility model content
The utility model be directed to problem above proposition, and develop a kind of natural environment under fire early-warning system, bag
Include：
The condition of a fire identifying unit of natural environment and the distance host with the image acquisition units short wave communication in the wild are set；
Described image acquisition units include image capture module and image processing module；
It is characterized in that：The image acquisition units also include shortwave digital transmission communication module；
In identification process, the sequence of frames of video of current monitored area is gathered by image capture module, and by the frame of video sequence
Row are sent to described image processing module, are generated after being analyzed by image processing module and are represented whether current monitored area occurs fire
The data signal of the result of determination of calamity, the data signal is received by described shortwave digital transmission communication module, is demodulated to analog signal
After send to distance host.
As preferred embodiment, described condition of a fire identifying unit comprises at least CCD camera and infrared camera.
Further, described condition of a fire identifying unit has a power supply module and battery, and the module is taken the photograph with described CCD
As head, infrared camera and image processing module electrical connection/power supply；
The power supply module comprises at least：Low difference voltage regulator and low pressure difference linear voltage regulator part；
During work, the 7.2V voltages that are inputted by the battery, exported by described low difference voltage regulator voltage stabilizing
3.3V voltages are powered to image processing module；Digital 5V voltages are exported after described low pressure difference linear voltage regulator part voltage stabilizing,
Powered for described CCD camera and infrared camera.
As preferred embodiment, described condition of a fire identifying unit also includes reseting module；The module respectively with it is described
Image processing module connected with FLASH memory cell；
The resistance R5 and electric capacity C7 of low level connection series connection are simultaneously grounded, and in the resistance R6 and LED 5 of series connection
Parallel connection, electric capacity C7 both ends are parallel with a reset switch；
By the reset switch in lower module, data that image processing module is re-write in the FLASH memory cell.
As preferred embodiment, described image processing module includes SMD7050 encapsulation crystal oscillator modules；The module
In 4 pins be connected with described power supply module, 3 pin XTAL are connected with external clock input, 1 pin and described image
Processing module communicates.
By adopting the above-described technical solution, the fire early-warning system under a kind of natural environment disclosed in the utility model,
By using existing ripe technical scheme, remote, the inexpensive communication under field and outdoor environment ensure that.The skill of use
Art is ripe, and circuit system is safe and reliable, is fully compatible for large-scale popularization and use in scene in the wild.
Brief description of the drawings
, below will be to embodiment for clearer explanation embodiment of the present utility model or the technical scheme of prior art
Or the required accompanying drawing used does one and simply introduced in description of the prior art, it should be apparent that, drawings in the following description are only
Only it is some embodiments of the utility model, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is system module schematic diagram of the present utility model.
Fig. 2 is the utility model image processing module schematic diagram
Fig. 3 is the circuit theory diagrams of the utility model power supply module
Fig. 4 is the circuit theory diagrams of the utility model reseting module
Fig. 5 is the circuit theory diagrams of the utility model crystal oscillator module
Embodiment
It is new with reference to this practicality to make the purpose, technical scheme and advantage of embodiment of the present utility model clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly completely described：
As Figure 1-5：A kind of fire early-warning system under natural environment, mainly includes：Natural environment in the wild is set
Condition of a fire identifying unit 1 and by shortwave digital transmission communication module 19 communicate distance host 2.
The fire result of determination for being gathered and being generated by condition of a fire identifying unit 1, sent via short wave communication to distance host 2,
Substantial amounts of communication cost is saved relative to traditional satellite communication, and can be ensured long in the environment such as forest farm grassland in the wild
The stability of distance communication.
As optional embodiment, described shortwave digital transmission communication module 19 can be wirelessly transferred mould using following model
Blockhttps://detail.1688.com/offer/538715021183.html, section of Shenzhen easily connect letter production KYL-
320H communication modules, the module are only used as applicating example, can also use the similar products of other models, and it is new that this practicality can be achieved
The short wave communication function of type.
In identification process, the sequence of frames of video of current monitored area is gathered by image capture module, and by the frame of video sequence
Row are sent to described image processing module 13, are generated after being analyzed by image processing module 13 and are represented whether current monitored area is sent out
The data signal of the result of determination for calamity of lighting a fire, the data signal is received by described shortwave digital transmission communication module 19, is demodulated to mould
Sent after intending signal to distance host.
Algorithm in identification process may be selected prior art and realize, such as, a kind of fire on daytime video detecting method-
201610280044.3 University Of Tianjin-the applying date：2016-04-28 and a kind of night fire video detecting method-
201610280166.2 University Of Tianjin-the applying date：Scheme described in 2016-04-28, it is described as preferred embodiment
Image processing module 13 can use more popular peace despot high definition scheme chip ambarella IONE I160L-A0-RH
The process chip of the models such as A9A7a5, program is write into chip.Also similar complete sets of products can be directly used, such ashttps://detail.1688.com/offer/532663482923.htmlForest fire protection video early warning remote monitoring system
Chip algorithm part in equipment.
In order to the round-the-clock monitoring condition of a fire, as preferred embodiment, described condition of a fire identifying unit at least wraps
CCD camera 11 and infrared camera 12 are included, is respectively used to identify the condition of a fire at daytime and night, what is used in the present embodiment takes the photograph
As head interface circuit is as shown in Figure 2.
The system is responsible for data output end using Y0-Y7, is connected with the universaling I/O port of processor.Interrupt letter in VSYNC fields
Number, HREF rows interrupt signal all connects the interrupt pin of processor.Vcc and GND is OV7620 energization pins, and PCLK is pixel
Synchronizing signal end.VTO is responsible for video frequency collection card focusing.
Further, it is contemplated that the process chip 19 in condition of a fire identifying unit needs 3.3V power supplys, and CCD camera 11
5V is needed to power when being worked with infrared camera 12, and the Ni-Cd batteries typically used are powered using 7.2V, in order to
Stable adaptation voltage is provided, as preferred embodiment, the utility model has power supply module 14 and battery 15, the module
Electrically connect/power with described CCD camera, infrared camera and image processing module 13.
The power supply module as shown in figure 3, including：7V2-MOTO is 7.2 volts of voltage input ends of battery, and A5V is required 5V
Voltage output end.Voltage stabilizing chip chooses LM2940, and 5V analog voltage is exported by capacitance.Master chip need of work provides
3.3V power supplys, it is therefore desirable to the power supply output of 3.3V digital voltages.Linear regulator chip chooses LM2940 and LM1117.LM1117
For low difference voltage regulator, 3.3v is exported by its voltage stabilizing single-chip microcomputer is powered.LM2940 is low pressure difference linear voltage regulator part,
Maximum output current 1A, after LM2940 voltage stabilizings, digital 5V voltages are exported, supply voltage is provided for digital sensorses.
It is considered that in general software issue can solve by system again, therefore the dimension under field work environment for convenience
Shield, as preferred embodiment, described condition of a fire identifying unit 1 also includes reseting module 16；The module respectively with it is described
Image processing module 13 and FLASH memory cell 17 connect.
As preferred embodiment, the present embodiment includes the resistance R5 and electric capacity C7 of low level connection series connection and connect
Ground, and it is in parallel in the resistance R6 and LED 5 of series connection, and electric capacity C7 both ends are parallel with a reset switch.By in lower module
Reset switch, the data that image processing module 13 is re-write in the FLASH memory cell.
In order to obtain the precise time of wild environment monitoring, to ensure to obtain the correct time of fire, as preferable reality
Apply mode, the utility model also has and includes a SMD7050 and encapsulate crystal oscillator module 18；4 pins and described confession in the module
Electric module 16 is connected, and 3 pin XTAL are connected with external clock input, and 1 pin communicates with described image processing module 13.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (5)
1. the fire early-warning system under a kind of natural environment, including：
The condition of a fire identifying unit of natural environment and the distance host with image acquisition units short wave communication in the wild are set；
Described image acquisition units include image capture module and image processing module；
It is characterized in that：The image acquisition units also include shortwave digital transmission communication module；
In identification process, the sequence of frames of video of current monitored area is gathered by image capture module, and the sequence of frames of video is sent out
Described image processing module is delivered to, is generated after being analyzed by image processing module and represents whether current monitored area occurs fire
The data signal of result of determination, the data signal is received by described shortwave digital transmission communication module, sent out after being demodulated to analog signal
Deliver to distance host.
2. the fire early-warning system under a kind of natural environment according to claim 1, it is further characterized in that the described condition of a fire
Identifying unit comprises at least CCD camera and infrared camera.
3. the fire early-warning system under a kind of natural environment according to claim 2, it is further characterized in that the described condition of a fire
Identifying unit has a power supply module and battery, the module and described CCD camera, infrared camera and image procossing mould
Block electrical connection/power supply；
The power supply module comprises at least：Low difference voltage regulator and low pressure difference linear voltage regulator part；
During work, the 7.2V voltages that are inputted by the battery, 3.3V electricity is exported by described low difference voltage regulator voltage stabilizing
Pressure is powered to image processing module；Digital 5V voltages are exported after described low pressure difference linear voltage regulator part voltage stabilizing, are described
CCD camera and infrared camera power supply.
4. the fire early-warning system under a kind of natural environment according to claim 1, it is further characterized in that the described condition of a fire
Identifying unit also includes reseting module；The module is connected with described image processing module and FLASH memory cell respectively；
Low level connection series connection resistance R5 and electric capacity C7 simultaneously be grounded, and in series connection resistance R6 and LED 5 simultaneously
Connection, electric capacity C7 both ends are parallel with a reset switch；
By the reset switch in lower module, data that image processing module is re-write in the FLASH memory cell.
5. the fire early-warning system under a kind of natural environment according to claim 1, it is further characterized in that described image
Processing module includes SMD7050 encapsulation crystal oscillator modules；4 pins in the module are connected with power supply module, 3 pin XTAL with it is outer
Portion's input end of clock connection, 1 pin communicate with described image processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720444601.0U CN206863895U (en) | 2017-04-25 | 2017-04-25 | A kind of fire early-warning system under natural environment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720444601.0U CN206863895U (en) | 2017-04-25 | 2017-04-25 | A kind of fire early-warning system under natural environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113436406A (en) * | 2021-08-25 | 2021-09-24 | 广州乐盈信息科技股份有限公司 | Sound-light alarm system |
-
2017
- 2017-04-25 CN CN201720444601.0U patent/CN206863895U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113436406A (en) * | 2021-08-25 | 2021-09-24 | 广州乐盈信息科技股份有限公司 | Sound-light alarm system |
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| CF01 | Termination of patent right due to non-payment of annual fee |