CN201399176Y - Automatic fire-extinguishing system based on Nios II video image recognition - Google Patents
Automatic fire-extinguishing system based on Nios II video image recognition Download PDFInfo
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- CN201399176Y CN201399176Y CN2009201371573U CN200920137157U CN201399176Y CN 201399176 Y CN201399176 Y CN 201399176Y CN 2009201371573 U CN2009201371573 U CN 2009201371573U CN 200920137157 U CN200920137157 U CN 200920137157U CN 201399176 Y CN201399176 Y CN 201399176Y
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Abstract
The utility model discloses an automatic fire-extinguishing system based on Nios II video image recognition. The automatic fire-extinguishing system comprises a video camera, an image collector, a video image processor based on Nios II, a controller based on embedded ARM, an electric fire-fighting water cannon and an image display LCD, and is characterized in that the video camera is connected with the image collector, the image collector is connected on the external corresponding function pins of the video image processor based on Nios II, the corresponding function pins of the video image processor based on Nios II are connected with the corresponding function pins of the controller based on embedded ARM, and the electric fire-fighting water cannon and the image display LCD are connectedon the external corresponding function pins of the controller based on embedded ARM. Through recognizing the fire position and the fall point of water column and calculating the position difference of the fire position and the fall point, the electric fire-fighting water cannon is corrected according to the position difference to facilitate the fall point of the water column and the fire positionto gradually get close till superimposing, thereby realizing the purpose of accurate fire extinguishing.
Description
Technical field:
The utility model belongs to the fire-fighting link automation field, relates in particular to a kind of automatic fire extinguishing system based on Nios II video image identification.
Background technology:
Existing automatic fire control water cannon probably has two types:
1) adopting infrared ray or ultraviolet-sensitive device to survey burning things which may cause a fire disaster as sensor, mainly is that burning things which may cause a fire disaster is searched in the scanning of using narrow slit level and vertical direction within the specific limits;
2) adopt video image to add infrared image acquisition mode simultaneously, video image is used for manual monitoring, and infrared image is used to seek burning things which may cause a fire disaster; More than the automatic fire control water cannon of this dual mode all have a weakness: because they are open loop control, can only control roughly direction sprinkling fire of fire water monitor court, can not aim at burning things which may cause a fire disaster fully, and the wind direction that the scene of fire is taken place, wind-force, can not in time revise water column when conditions such as hydraulic pressure change and spray direction, might not have due effect at the crucial moment of fire extinguishing; Condition has been created in the realization of the present utility model that develops into of modern video identification technology.
Summary of the invention:
The purpose of this utility model is to provide a kind of energy to seek the automatic fire extinguishing system based on Nios II video image identification that the fire alarm burning things which may cause a fire disaster also can be put out a fire automatically and accurately automatically by image recognition.
The purpose of this utility model is to realize like this, described automatic fire extinguishing system based on Nios II video image identification, comprise video camera, image acquisition device, power supply, based on Nios II video image processor, based on the embedded-type ARM controller, video memory, automatically controlled fire water monitor and image display LCD, its design feature is that described video camera is connected with image acquisition device, image acquisition device is connected on the outside function corresponding pin based on Nios II video image processor, be connected with function corresponding pin based on the function corresponding pin of Nios II video image processor, on outside function corresponding pin, be connected with video memory based on the embedded-type ARM controller based on the embedded-type ARM controller, automatically controlled fire water monitor and image display LCD.
The purpose of this utility model also can be achieved through the following technical solutions, described automatic fire extinguishing system, its characteristics based on Nios II video image identification be described based on the NiosII video image processor adopt have to image carry out analyzing and processing and identify exactly condition of a fire position based on Nios II video image processor.Described automatic fire extinguishing system, its characteristics based on Nios II video image identification be described video camera be assemblied in the high-altitude overlook monitor area, video camera is connected with image acquisition device by transmission line.Described automatic fire extinguishing system, its characteristics based on Nios II video image identification be described based on the embedded-type ARM controller adopt have the automatically controlled fire water monitor work of automatic control, control chart shows as display lcd and the image of the condition of a fire can be deposited in video memory based on the embedded-type ARM controller.Described automatic fire extinguishing system based on Nios II video image identification, its characteristics are that described automatically controlled fire water monitor adopts to be provided with and can control the automatically controlled fire water monitor that automatically controlled fire water monitor carries out the driving mechanism that horizontal rotation that horizontal rotation and pitching move and pitching move.
The utility model has the advantages that: the utility model is mainly used in the sprinkling fire of large space occasion.The large space occasion mainly contains: airport, harbour, warehouse, factory building, big-and-middle-sized sales field, coal yard, stadiums, open-air place etc.It has solved present other class automatic fire control water cannon and has been subject to such environmental effects (as hydraulic pressure, wind direction, wind-force etc.), causes the not high problem of the self-extinguishing work degree of accuracy, has simple in structurely, easy to install and use, can effectively improve advantage such as fire extinguishing accuracy rate etc.By discerning fire parameter based on Nios II video image processor, identify condition of a fire position, the characteristic parameter of the water column that it can also be by discerning the ejection of automatically controlled fire water monitor identifies the drop point site of water column; Based on the drop point site of Nios II video image processor by identifying condition of a fire position and water column by calculate both alternate position spikes based on the embedded-type ARM controller, and this alternate position spike is sent to the driving mechanism that the fire water monitor controller promptly drives the horizontal rotation of automatically controlled fire water monitor and pitching action, the fire water monitor controller is then revised automatically controlled fire water monitor according to this alternate position spike, the water column drop point site and the condition of a fire position of fire water monitor ejection constantly are close to until coincidence, reach the purpose of fire extinguishing quick and precisely.
Description of drawings:
Fig. 1 is a theory diagram of the present utility model.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is elaborated:
As shown in Figure 1, automatic fire extinguishing system based on Nios II video image identification described in the utility model, it comprises video camera 1, image acquisition device 2, power supply 3, based on Nios II video image processor 4, based on embedded-type ARM controller 5, video memory 6, automatically controlled fire water monitor 7 and image display LCD 8, image acquisition device 2 can be used decoding chip SAA7110, SAA7114, SAA7113 etc.; Can use compositions such as EP1C12, EP1C6, EP2C5, EP2C8 based on Nios II video image processor 4; Can use compositions such as Samsung S3C2410 or S3C2440 based on embedded-type ARM controller 5, its design feature is that described video camera 1 is connected with image acquisition device 2, image acquisition device 2 is connected on the outside function corresponding pin based on Nios II video image processor 4, be connected on the function corresponding pin based on embedded-type ARM controller 5 based on the function corresponding pin of Nios II video image processor 4, on outside function corresponding pin, be connected with video memory 6, automatically controlled fire water monitor 7 and image display LCD 8 based on embedded-type ARM controller 5.
Concrete work is: obtain image by video camera 1 and by image acquisition device 2 analog image is converted to digital picture, data image signal entered into through transmission line carry out image based on Nios II video image processor 4 and handle, identify according to existing condition of a fire feature mode or other programmed algorithm in the comparison database whether the condition of a fire is arranged, calculate the condition of a fire position such as the center of the condition of a fire, and the data image signal after will handling is transferred to based on embedded-type ARM controller 5 and shows and store, and shows and storage can be in good time continual; Based on the center of embedded-type ARM controller, start by the automatically controlled fire water monitor 7 that transmission line connected and work so that condition of a fire place is sprayed water column according to the condition of a fire.This moment, video camera 1 also obtained the water column picture signal (as: size of water column and drop point) that is sprayed in good time, by image acquisition device 2 analog picture signal is converted to digital picture, data image signal entered into based on Nios II video image processor 4 through transmission line carry out image recognition processing, calculate the drop point site that identifies water column according to the feature mode of water column as the central area of drop point, be transported to based on embedded-type ARM controller 5 and show and store, calculate the center of the condition of a fire and the central area relative coordinate alternate position spike of water column drop point based on embedded-type ARM controller 5; Poor according to this coordinate position, send control command to automatically controlled fire water monitor 7, drive the driving mechanism of the horizontal rotation of automatically controlled fire water monitor and pitching action in the motion of carrying out level and vertical direction by control, with the water column of controlling 7 ejections of automatically controlled fire water monitor towards condition of a fire position 9, being able to seesaw up and down guarantees comprehensive fire extinguishing, and fire can be put out automatically.Whole fire extinguishing procedure is the process of the continuous round-off error of a closed loop feedback, can guarantee to get rid of various on-the-spot interference, and the water column drop point site and the condition of a fire position of fire water monitor ejection constantly are close to until coincidence, reaches the purpose of fire extinguishing quick and precisely.Described control drives the horizontal rotation of automatically controlled fire water monitor and the driving mechanism of pitching action is a prior art.
Claims (5)
1, a kind of automatic fire extinguishing system based on Nios II video image identification, comprise video camera (1), image acquisition device (2), power supply (3), based on NiosII video image processor (4), based on embedded-type ARM controller (5), video memory (6), automatically controlled fire water monitor (7) and image display LCD (8), it is characterized in that described video camera (1) is connected with image acquisition device (2), image acquisition device (2) is connected on the outside function corresponding pin based on NiosII video image processor (4), be connected with function corresponding pin based on the function corresponding pin of NiosII video image processor (4), on outside function corresponding pin, be connected with video memory (6) based on embedded-type ARM controller (5) based on embedded-type ARM controller (5), automatically controlled fire water monitor (7) and image display LCD (8).
2, the automatic fire extinguishing system based on Nios II video image identification according to claim 1, it is characterized in that described based on NiosII video image processor (4) adopt have to image carry out analyzing and processing and identify exactly condition of a fire position based on Nios II video image processor.
3, the automatic fire extinguishing system based on Nios II video image identification according to claim 1 and 2, it is characterized in that described video camera (1) be assemblied in the high-altitude overlook monitor area, video camera (1) is connected with image acquisition device (2) by transmission line.
4, the automatic fire extinguishing system based on Nios II video image identification according to claim 1 and 2, it is characterized in that described based on embedded-type ARM controller (5) adopt have the automatically controlled fire water monitor of automatic control (7) work, control chart shows as display lcd (8) and the image of the condition of a fire can be deposited in video memory (6) based on the embedded-type ARM controller.
5, the automatic fire extinguishing system based on Nios II video image identification according to claim 1 and 2 is characterized in that described automatically controlled fire water monitor (7) adopts to be provided with can control the automatically controlled fire water monitor that automatically controlled fire water monitor carries out the driving mechanism that horizontal rotation that horizontal rotation and pitching move and pitching move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201371573U CN201399176Y (en) | 2009-03-19 | 2009-03-19 | Automatic fire-extinguishing system based on Nios II video image recognition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201371573U CN201399176Y (en) | 2009-03-19 | 2009-03-19 | Automatic fire-extinguishing system based on Nios II video image recognition |
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| Publication Number | Publication Date |
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| CN201399176Y true CN201399176Y (en) | 2010-02-10 |
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| CN2009201371573U Expired - Fee Related CN201399176Y (en) | 2009-03-19 | 2009-03-19 | Automatic fire-extinguishing system based on Nios II video image recognition |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021061638A1 (en) * | 2019-09-23 | 2021-04-01 | Chan Zuckerberg Biohub, Inc. | Methods related to a structure of high-affinity human pd-1/pd-l2 complex |
| WO2021089100A1 (en) * | 2019-11-06 | 2021-05-14 | Baida Abdelali | Self-guided water cannon with a multifunctional flame detector |
| CN113813527A (en) * | 2021-08-17 | 2021-12-21 | 中国船舶重工集团公司第七一三研究所 | Accurate fire fighting device and method for marine unmanned fire fighting truck |
-
2009
- 2009-03-19 CN CN2009201371573U patent/CN201399176Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021061638A1 (en) * | 2019-09-23 | 2021-04-01 | Chan Zuckerberg Biohub, Inc. | Methods related to a structure of high-affinity human pd-1/pd-l2 complex |
| WO2021089100A1 (en) * | 2019-11-06 | 2021-05-14 | Baida Abdelali | Self-guided water cannon with a multifunctional flame detector |
| CN113813527A (en) * | 2021-08-17 | 2021-12-21 | 中国船舶重工集团公司第七一三研究所 | Accurate fire fighting device and method for marine unmanned fire fighting truck |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100210 Termination date: 20130319 |