CN111009093A - Smoke detector - Google Patents
Smoke detector Download PDFInfo
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- CN111009093A CN111009093A CN201911079485.7A CN201911079485A CN111009093A CN 111009093 A CN111009093 A CN 111009093A CN 201911079485 A CN201911079485 A CN 201911079485A CN 111009093 A CN111009093 A CN 111009093A
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- 239000000779 smoke Substances 0.000 title claims abstract description 49
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 8
- 238000003709 image segmentation Methods 0.000 claims description 22
- 238000004458 analytical method Methods 0.000 claims description 15
- 238000012544 monitoring process Methods 0.000 claims description 12
- 238000003707 image sharpening Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Images
Classifications
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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
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/73—Deblurring; Sharpening
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/11—Region-based segmentation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/136—Segmentation; Edge detection involving thresholding
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/141—Control of illumination
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/25—Determination of region of interest [ROI] or a volume of interest [VOI]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/35—Categorising the entire scene, e.g. birthday party or wedding scene
- G06V20/36—Indoor scenes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
-
- 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
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
- G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30196—Human being; Person
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Human Computer Interaction (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The present invention provides a smoke detector comprising: the cigarette box comprises a body, wherein a boss is arranged on the body, cigarette inlet channels are distributed on the boss at equal intervals in an annular mode, a lamp ring is arranged on the body, and a camera is arranged on the boss. The smoke detector is provided with the lamp ring and the camera, the lamp ring can achieve a certain lighting effect on the indoor environment, and the camera can shoot images of the indoor environment in real time.
Description
Technical Field
The invention relates to a fire-fighting unit, in particular to a smoke detector.
Background
Smoke detectors, also known as smoke-sensitive fire detectors, smoke-sensitive probes and smoke-sensitive sensors, are mainly applied to fire-fighting systems and also in security system construction. The smoke detector realizes fire prevention mainly by monitoring smoke concentration, the ion type smoke sensor is adopted in the smoke detector, the ion type smoke sensor is a sensor with advanced technology and stable and reliable work, is widely applied to various fire alarm systems, and has far better performance than a gas sensitive resistor type fire alarm. Smoke detectors can be classified into particle smoke-sensitive type, photo-inductive smoke-sensitive type, infrared beam smoke-sensitive type, gas detector, and the like. The smoke detector is generally arranged on the indoor ceiling, and the using function of the smoke detector is single.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a smoke detector which is simple in structure and provided with a lamp ring and a camera.
(II) technical scheme
In order to solve the above technical problem, the present invention provides a smoke detector, including: the cigarette box comprises a body, wherein a boss is arranged on the body, cigarette inlet channels are distributed on the boss at equal intervals in an annular mode, a lamp ring is arranged on the body, and a camera is arranged on the boss. The camera is used for shooting an instant image of an indoor environment where the smoke detector is located to obtain and output an instant escape image, and comprises an image sensor used for outputting the instant escape image; the smoke detector is provided with a lamp ring and a camera, the lamp ring can play a certain lighting effect on the indoor environment where the smoke detector is located, and the camera can shoot instant images of the indoor environment where the smoke detector is located.
Smoke detectors are necessary fire-fighting equipment and are generally arranged on indoor ceilings, and some existing smoke detectors are not intelligent enough, for example, the smoke detectors do not have a camera shooting function, do not have a monitoring function for suspicious personnel, and are not high in intelligence level. Therefore, the smoke detector of the present technical solution further includes:
the uniformity analysis unit is connected with the image sensor and used for receiving the instant escape image, determining the content uniformity degree of the instant escape image based on the pixel value distribution condition of pixel points of the instant escape image and outputting the content uniformity degree;
the definition analyzing unit is used for receiving the instant escape image, determining the content definition of the instant escape image based on the dynamic pixel value distribution range of the pixel points of the instant escape image, and outputting the content definition;
the contrast analysis unit is used for receiving the instant escape image, detecting the contrast of the instant escape image and outputting the contrast;
the parameter identification unit is respectively connected with the uniformity analysis unit, the definition analysis unit and the contrast analysis unit and is used for receiving the content uniformity degree, the content definition degree and the contrast, determining an influence coefficient of the content uniformity degree on an image segmentation threshold value based on the content uniformity degree, determining an influence coefficient of the content definition degree on the image segmentation threshold value based on the content definition degree and determining an influence coefficient of the content definition degree on the image segmentation threshold value based on the contrast;
the image segmentation unit is connected with the parameter identification unit and used for correcting an image segmentation threshold value simultaneously based on the three influence coefficients acquired from the parameter identification unit and segmenting the instant escape image based on the corrected image segmentation threshold value so as to obtain and output target areas with various targets;
the resolution identification unit is connected with the image segmentation unit and used for receiving the target area, identifying the real-time resolution of the target area to obtain the real-time resolution corresponding to the target area and outputting the real-time resolution;
the image sharpening unit is connected with the resolution identification unit and is used for receiving the instant resolution and the target area, determining a sharpening level for performing sharpening operation on the target area according to the size of the instant resolution, wherein the larger the instant resolution is, the higher the sharpening level for performing sharpening operation is, and outputting an instant sharpened image obtained after the sharpening operation is performed;
the suspicious person monitoring unit is connected with the image sharpening unit and used for receiving the instant sharpened image, searching suspicious person objects from the instant sharpened image based on each preset suspicious action pattern, and sending out suspicious person signals when the searching is successful;
and the wireless sending unit is used for wirelessly forwarding the suspicious person signals to a nearby public safety management center when the suspicious person signals are received.
Further, the suspicious person monitoring unit is further used for sending out a suspicious person-free signal when the search fails; the suspicious person monitoring unit is connected with the wireless sending unit and used for sending the suspicious person signals or the no suspicious person signals to the wireless sending unit; the wireless transmitting unit is also used for stopping the wireless transmission of the data when the suspicious person signal is received.
Further, the smoke detector further comprises a brightness measuring instrument and an auxiliary light source, wherein the brightness measuring instrument is used for measuring an ambient brightness mean value in a preset time interval, the auxiliary light source is connected with the brightness measuring instrument and used for receiving the ambient brightness mean value and determining whether to emit auxiliary light or not based on the ambient brightness mean value, after the auxiliary light source determines to emit the auxiliary light, the intensity of the emitted auxiliary light is determined according to the size of the ambient brightness mean value, and the larger the ambient brightness mean value is, the smaller the intensity of the emitted auxiliary light is.
(III) advantageous effects
The smoke detector is provided with the lamp ring and the camera, the lamp ring can achieve a certain lighting effect on the indoor environment, and the camera can shoot images of the indoor environment in real time.
Drawings
FIG. 1 is a schematic diagram of the smoke detector of the present invention;
wherein: 1 is a body, 2 is a boss, 3 is a smoke inlet channel, 4 is a lamp ring and 5 is a camera.
Detailed Description
Referring to fig. 1, the present invention provides a smoke detector comprising: the cigarette box comprises a body 1, wherein a boss 2 is arranged on the body 1, cigarette inlet channels 3 are distributed on the boss 2 at equal intervals in an annular mode, a lamp ring 4 is arranged on the body 1, and a camera 5 is arranged on the boss 2. The camera 5 is used for carrying out instant image shooting on an indoor environment where the smoke detector is located so as to obtain and output an instant escape image, and the camera 5 comprises an image sensor which is used for outputting the instant escape image; this embodiment smoke detector is provided with lamp ring and camera, and the lamp ring can play certain illuminating effect to the indoor environment that is located, and the camera can carry out instant image to the indoor environment that is located and shoot.
Smoke detectors are necessary fire-fighting equipment and are generally arranged on indoor ceilings, and some existing smoke detectors are not intelligent enough, for example, the smoke detectors do not have a camera shooting function, do not have a monitoring function for suspicious personnel, and are not high in intelligence level. Therefore, the smoke detector of the present embodiment further includes:
the uniformity analysis unit is connected with the image sensor and used for receiving the instant escape image, determining the content uniformity degree of the instant escape image based on the pixel value distribution condition of pixel points of the instant escape image and outputting the content uniformity degree;
the definition analyzing unit is used for receiving the instant escape image, determining the content definition of the instant escape image based on the dynamic pixel value distribution range of the pixel points of the instant escape image, and outputting the content definition;
the contrast analysis unit is used for receiving the instant escape image, detecting the contrast of the instant escape image and outputting the contrast;
the parameter identification unit is respectively connected with the uniformity analysis unit, the definition analysis unit and the contrast analysis unit and is used for receiving the content uniformity degree, the content definition degree and the contrast, determining an influence coefficient of the content uniformity degree on an image segmentation threshold value based on the content uniformity degree, determining an influence coefficient of the content definition degree on the image segmentation threshold value based on the content definition degree and determining an influence coefficient of the content definition degree on the image segmentation threshold value based on the contrast;
the image segmentation unit is connected with the parameter identification unit and used for correcting an image segmentation threshold value simultaneously based on the three influence coefficients acquired from the parameter identification unit and segmenting the instant escape image based on the corrected image segmentation threshold value so as to obtain and output target areas with various targets;
the resolution identification unit is connected with the image segmentation unit and used for receiving the target area, identifying the real-time resolution of the target area to obtain the real-time resolution corresponding to the target area and outputting the real-time resolution;
the image sharpening unit is connected with the resolution identification unit and is used for receiving the instant resolution and the target area, determining a sharpening level for performing sharpening operation on the target area according to the size of the instant resolution, wherein the larger the instant resolution is, the higher the sharpening level for performing sharpening operation is, and outputting an instant sharpened image obtained after the sharpening operation is performed;
the suspicious person monitoring unit is connected with the image sharpening unit and used for receiving the instant sharpened image, searching suspicious person objects from the instant sharpened image based on each preset suspicious action pattern, and sending out suspicious person signals when the searching is successful;
and the wireless sending unit is used for wirelessly forwarding the suspicious person signals to a nearby public safety management center when the suspicious person signals are received.
The suspicious person monitoring unit is also used for sending out a suspicious person-free signal when the search fails; the suspicious person monitoring unit is connected with the wireless sending unit and used for sending the suspicious person signals or the no suspicious person signals to the wireless sending unit; the wireless transmitting unit is also used for stopping the wireless transmission of the data when the suspicious person signal is received.
The smoke detector further comprises a brightness measuring instrument and an auxiliary light source, wherein the brightness measuring instrument is used for measuring an ambient brightness mean value in a preset time interval, the auxiliary light source is connected with the brightness measuring instrument and used for receiving the ambient brightness mean value and determining whether to emit auxiliary light or not based on the ambient brightness mean value, after the auxiliary light source further determines to emit the auxiliary light, the intensity of the emitted auxiliary light is determined according to the size of the ambient brightness mean value, and the larger the ambient brightness mean value is, the smaller the intensity of the emitted auxiliary light is.
Aiming at the technical problems that the detector in the prior art does not have the function of monitoring suspicious people and is low in intelligence degree, the smoke detector is provided with the camera on the body, and when suspicious people are monitored, suspicious people signals are wirelessly forwarded to a nearby public safety management center; determining a sharpening level for performing a sharpening operation on the high-definition image based on the instantaneous resolution; an image segmentation threshold correction mechanism based on content uniformity, content definition and contrast is established, and effectiveness of subsequent target area identification is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A smoke detector, comprising: the cigarette box is characterized by comprising a body (1), wherein a boss (2) is arranged on the body (1), cigarette inlet channels (3) are distributed on the boss (2) at equal intervals in an annular mode, a lamp ring (4) is arranged on the body (1), and a camera (5) is arranged on the boss (2).
2. A smoke detector as claimed in claim 1, wherein said camera (5) is adapted to take an instantaneous image of the indoor environment in which the smoke detector is located to obtain and output an instantaneous escape image; the camera (5) comprises an image sensor, and the image sensor is used for outputting an instant escape image.
3. The smoke detector of claim 2, further comprising:
the uniformity analysis unit is connected with the image sensor and used for receiving the instant escape image, determining the content uniformity degree of the instant escape image based on the pixel value distribution condition of pixel points of the instant escape image and outputting the content uniformity degree;
the definition analyzing unit is used for receiving the instant escape image, determining the content definition of the instant escape image based on the dynamic pixel value distribution range of the pixel points of the instant escape image, and outputting the content definition;
the contrast analysis unit is used for receiving the instant escape image, detecting the contrast of the instant escape image and outputting the contrast;
the parameter identification unit is respectively connected with the uniformity analysis unit, the definition analysis unit and the contrast analysis unit and is used for receiving the content uniformity degree, the content definition degree and the contrast, determining an influence coefficient of the content uniformity degree on an image segmentation threshold value based on the content uniformity degree, determining an influence coefficient of the content definition degree on the image segmentation threshold value based on the content definition degree and determining an influence coefficient of the content definition degree on the image segmentation threshold value based on the contrast;
the image segmentation unit is connected with the parameter identification unit and used for correcting an image segmentation threshold value simultaneously based on the three influence coefficients acquired from the parameter identification unit and segmenting the instant escape image based on the corrected image segmentation threshold value so as to obtain and output target areas with various targets;
the resolution identification unit is connected with the image segmentation unit and used for receiving the target area, identifying the real-time resolution of the target area to obtain the real-time resolution corresponding to the target area and outputting the real-time resolution;
the image sharpening unit is connected with the resolution identification unit and is used for receiving the instant resolution and the target area, determining a sharpening level for performing sharpening operation on the target area according to the size of the instant resolution, wherein the larger the instant resolution is, the higher the sharpening level for performing sharpening operation is, and outputting an instant sharpened image obtained after the sharpening operation is performed;
the suspicious person monitoring unit is connected with the image sharpening unit and used for receiving the instant sharpened image, searching suspicious person objects from the instant sharpened image based on each preset suspicious action pattern, and sending out suspicious person signals when the searching is successful;
and the wireless sending unit is used for wirelessly forwarding the suspicious person signals to a nearby public safety management center when the suspicious person signals are received.
4. A smoke detector as claimed in claim 3 wherein said suspect detection unit is further adapted to signal absence of a suspect in the event of a search failure; the suspicious person monitoring unit is connected with the wireless sending unit and used for sending the suspicious person signals or the no suspicious person signals to the wireless sending unit; the wireless transmitting unit is also used for stopping the wireless transmission of the data when the suspicious person signal is received.
5. The smoke detector of claim 4, further comprising a luminance measuring instrument for measuring an ambient luminance mean value in a predetermined time interval, and an auxiliary light source connected to the luminance measuring instrument for receiving the ambient luminance mean value and determining whether to emit auxiliary light based on the ambient luminance mean value, wherein the auxiliary light source further determines the intensity of the emitted auxiliary light according to the magnitude of the ambient luminance mean value after the auxiliary light source has determined that the intensity of the emitted auxiliary light is smaller when the ambient luminance mean value is larger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911079485.7A CN111009093A (en) | 2019-11-07 | 2019-11-07 | Smoke detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911079485.7A CN111009093A (en) | 2019-11-07 | 2019-11-07 | Smoke detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111009093A true CN111009093A (en) | 2020-04-14 |
Family
ID=70111410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911079485.7A Withdrawn CN111009093A (en) | 2019-11-07 | 2019-11-07 | Smoke detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111009093A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013250A (en) * | 2020-07-13 | 2020-12-01 | 安徽建筑大学 | Indoor fire alarm combining infrared and video analysis technologies |
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| CN201974617U (en) * | 2011-06-27 | 2011-09-14 | 北京海鑫智圣技术有限公司 | LED light source device in police standardized figure acquisition system |
| CN202261551U (en) * | 2011-10-26 | 2012-05-30 | 东莞奥美佳电子有限公司 | Camera with automatic shooting brightness adjustment function |
| CN106704853A (en) * | 2015-11-13 | 2017-05-24 | 陈凯柏 | Modular multi-application-function illuminating device for biometric recognition |
| CN108039012A (en) * | 2017-12-05 | 2018-05-15 | 宁波隆翔环保科技有限公司 | A kind of fire emergency lamp |
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| CN109002813A (en) * | 2018-08-17 | 2018-12-14 | 浙江大丰实业股份有限公司 | Stage fountain blocked state resolution system |
| CN109084217A (en) * | 2018-07-19 | 2018-12-25 | 刘肖俊 | A kind of infrared sensing formula LED Ceiling light |
| CN109408852A (en) * | 2018-08-31 | 2019-03-01 | 浙江大丰实业股份有限公司 | Aerial coercion safety zone analysis system |
| CN208871474U (en) * | 2018-06-29 | 2019-05-17 | 上海三思电子工程有限公司 | Wisdom street lamp |
-
2019
- 2019-11-07 CN CN201911079485.7A patent/CN111009093A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA967279A (en) * | 1971-04-23 | 1975-05-06 | Salim S. Mahlab | Surveillance unit for scanning an area under surveillance |
| CN201974617U (en) * | 2011-06-27 | 2011-09-14 | 北京海鑫智圣技术有限公司 | LED light source device in police standardized figure acquisition system |
| CN202261551U (en) * | 2011-10-26 | 2012-05-30 | 东莞奥美佳电子有限公司 | Camera with automatic shooting brightness adjustment function |
| CN106704853A (en) * | 2015-11-13 | 2017-05-24 | 陈凯柏 | Modular multi-application-function illuminating device for biometric recognition |
| CN108039012A (en) * | 2017-12-05 | 2018-05-15 | 宁波隆翔环保科技有限公司 | A kind of fire emergency lamp |
| CN108665662A (en) * | 2018-05-23 | 2018-10-16 | 吴秋琴 | Multifunctional monitoring formula desk |
| CN208871474U (en) * | 2018-06-29 | 2019-05-17 | 上海三思电子工程有限公司 | Wisdom street lamp |
| CN109084217A (en) * | 2018-07-19 | 2018-12-25 | 刘肖俊 | A kind of infrared sensing formula LED Ceiling light |
| CN109002813A (en) * | 2018-08-17 | 2018-12-14 | 浙江大丰实业股份有限公司 | Stage fountain blocked state resolution system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013250A (en) * | 2020-07-13 | 2020-12-01 | 安徽建筑大学 | Indoor fire alarm combining infrared and video analysis technologies |
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Application publication date: 20200414 |