CN110992637B - Safety exit indicator lamp - Google Patents
Safety exit indicator lamp Download PDFInfo
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- CN110992637B CN110992637B CN201911079335.6A CN201911079335A CN110992637B CN 110992637 B CN110992637 B CN 110992637B CN 201911079335 A CN201911079335 A CN 201911079335A CN 110992637 B CN110992637 B CN 110992637B
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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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/0413—Frames or casing structures therefor
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Abstract
The invention provides a safety exit indicator lamp, comprising: the indicating lamp comprises an indicating lamp body, wherein a support is arranged at the upper end of the indicating lamp body, an illuminating lamp is installed on the support, and an alarm is arranged on the indicating lamp body. The indicating lamp body of the safety exit indicating lamp is provided with the illuminating lamp, so that the safety exit can be illuminated for use, and the emergency escape indicating lamp is convenient to use.
Description
Technical Field
The invention relates to a lamp, in particular to a safety exit indicator lamp.
Background
The safety exit is an escape exit in various public places, and is an important safety facility in a place with dense personnel. When a safety accident occurs, all the personnel in the personnel-intensive place can rapidly escape from the accident site mainly through each safety exit, and the personnel for implementing rescue also enter the accident site mainly through the safety exits to rescue trapped people or rescue property. The safety exit indicator lamp is an indicator lamp for leading personnel to a safety zone, so that the guarantee of the smoothness of the safety exit is an important measure for preventing the occurrence of cluster death and group injury accidents. Some existing indicator lamps are single in function and do not have the function of an emergency illuminating lamp.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a safety exit indicator lamp which is simple in structure and provided with an illuminating lamp.
(II) technical scheme
In order to solve the above technical problem, the present invention provides a safety exit indicator light, including: the indicating lamp comprises an indicating lamp body, wherein a support is arranged at the upper end of the indicating lamp body, an illuminating lamp is installed on the support, and an alarm is arranged on the indicating lamp body. Be provided with on the pilot lamp body the light can throw light on the exit and use, is convenient for carry out emergency escape and uses. Wherein the number of the illuminating lamps is 2;
in order to rapidly and safely evacuate people and remove valuable materials in the event of a fire, and to reduce the loss of the fire, a sufficient number of safety exits must be designed in designing a building. The safety exits are dispersedly arranged and easy to find, and obvious marks are required to be arranged, so that people often difficultly find the indicator lamps and quickly find the safety exits when sudden dangerous situations such as fire disasters occur actually, particularly when smoke is large, and in order to save energy, the illuminating lamps arranged on the safety exit indicator lamps are not always in an on state, so that the illuminating lamps in the technical scheme are used for being turned on when smoke alarm signals are received and turned off when smoke alarm signals are not received; the indicating lamp body also comprises an image capturing unit, a brightness sensor and a flash lamp; the image capturing unit is used for capturing images facing a place where the safety exit indicator lamp is located so as to obtain a place captured image and outputting the place captured image, and comprises an imaging lens and a CMOS (complementary Metal Oxide semiconductor) sensor, wherein the imaging lens and the CMOS sensor are both located on an imaging light path of the image capturing unit; the brightness sensor is positioned at one side of the image capturing unit and used for measuring a current brightness value within a preset time interval and outputting the current brightness value; the flash lamp is positioned at one side of the image capturing unit, is connected with the brightness sensor, and is used for receiving the current brightness value and determining whether to emit auxiliary light or not based on the current brightness value; the flash lamp is further used for determining the intensity of the emitted auxiliary light according to the magnitude of the current brightness value after deciding to emit the auxiliary light, and the intensity of the emitted auxiliary light is smaller when the current brightness value is larger.
Further, the emergency exit indicator light further comprises an evenness degree detection unit, connected to the image capturing unit, and configured to receive the location captured image output by the image capturing unit, and analyze the location captured image as follows: determining each pixel point in the site captured image based on a preset gray threshold range, fitting each pixel point in the site captured image to obtain each edge line, and determining whether to send out a blurring prompt signal according to the distribution uniformity degree of each edge line in the site captured image; in the uniformity detection unit, determining whether to send out a blurring prompt signal according to the distribution uniformity of each edge line in the captured image of the place includes: and when the distribution uniformity of each edge line in the captured image of the place exceeds the limit, sending a blurring prompt signal.
Further, the emergency exit indicator lamp further includes:
the uniformity analysis unit is connected with the CMOS sensor and used for receiving the site captured image, determining the content uniformity degree of the site captured image based on the pixel value distribution condition of pixel points of the site captured image and outputting the content uniformity degree;
the definition analyzing unit is used for receiving the site captured image, determining the content definition of the site captured image based on the dynamic distribution range of the pixel values of the pixel points of the site captured image, and outputting the content definition;
a contrast analyzing unit for receiving the location capture image, detecting a contrast of the location capture 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 simultaneously correcting an image segmentation threshold value based on the three influence coefficients acquired from the parameter identification unit and segmenting the captured image of the place based on the corrected image segmentation threshold value so as to obtain and output a target area with various targets;
the wiener filtering unit is connected with the image segmentation unit and used for receiving the target area, executing wiener filtering processing on the target area to obtain a corresponding image to be processed and outputting the image to be processed;
the resolution identification unit is connected with the wiener filtering unit and used for receiving the image to be processed, identifying the instant resolution of the image to be processed to obtain the instant resolution corresponding to the image to be processed and outputting the instant resolution;
the image sharpening unit is connected with the resolution identification unit and is used for receiving the instant resolution and the image to be processed, determining a sharpening level for performing sharpening operation on the image to be processed 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 the instant sharpened image obtained after the sharpening operation is performed;
and the smoke analysis unit is connected with the image sharpening unit and used for receiving the instant sharpened image, forming a smoke region by pixel points with gray values falling between preset smoke gray value ranges, determining the area proportion of the smoke region occupying the instant sharpened image, and determining whether to send out a smoke alarm signal based on the proportion.
Further, the imaging lens is arranged in front of the CMOS sensor, and the CMOS sensor is configured to sense and output the captured image of the site.
(III) advantageous effects
The integral structure of the safety exit indicator lamp is simple, 2 illuminating lamps are arranged on the indicator lamp body, the safety exit indicator lamp can be used for illuminating, and emergency escape is facilitated.
Drawings
FIG. 1 is a schematic view of the safety exit indicator of the present invention;
wherein: 1 is the pilot lamp body, 2 is the support, 3 is the light, 4 is the alarm.
Detailed Description
Referring to fig. 1, the present invention provides a safety exit indicator lamp including: the indicating lamp body 1, 1 upper ends of indicating lamp body are provided with support 2, install light 3 on the support 2, are provided with alarm 4 on the indicating lamp body 1. The number of the illuminating lamps 3 is 2.
This embodiment is provided with the light on the pilot lamp body, can throw light on the use to the emergency exit, is convenient for carry out emergency escape and uses.
In order to rapidly and safely evacuate people and remove valuable materials in the event of a fire, and to reduce the loss of the fire, a sufficient number of safety exits must be designed in designing a building. The safety exits are dispersedly arranged and easy to find, and obvious marks are required to be arranged, so that people often difficultly find the indicator lamps and quickly find the safety exits when sudden dangerous situations such as fire occur actually, particularly when smoke is large, and in order to save energy, the illuminating lamps arranged on the safety exit indicator lamps are not always in an on state, so that the illuminating lamps 3 in the embodiment are used for being turned on when smoke alarm signals are received and turned off when smoke alarm signals are not received; the indicator light body 1 further comprises an image capturing unit, a brightness sensor and a flash lamp; the image capturing unit is used for capturing images facing the place where the safety exit indicator lamp is located so as to obtain a place captured image and outputting the place captured image, and comprises an imaging lens and a CMOS sensor which are both located on an imaging light path of the image capturing unit; the brightness sensor is positioned at one side of the image capturing unit and used for measuring the current brightness value within a preset time interval and outputting the current brightness value; the flash lamp is positioned at one side of the image capturing unit, is connected with the brightness sensor and is used for receiving the current brightness value and determining whether to emit auxiliary light or not based on the current brightness value; the flash lamp is further used for determining the intensity of the emitted auxiliary light according to the magnitude of the current brightness value after deciding to emit the auxiliary light, and the intensity of the emitted auxiliary light is smaller when the current brightness value is larger.
The CMOS sensor is selected as a passive pixel sensor; a Passive Pixel Sensor (PPS), also called Passive Pixel Sensor, is composed of a reverse biased photodiode and a switching transistor.
The emergency exit indicator lamp further includes:
the uniformity detection unit is connected with the image capturing unit and used for receiving the place captured image output by the image capturing unit and analyzing the place captured image as follows: determining each pixel point in the site captured image based on a preset gray threshold range, fitting each pixel point in the site captured image to obtain each edge line, and determining whether to send out a blurring prompt signal according to the distribution uniformity degree of each edge line in the site captured image; in the uniformity detection unit, determining whether to issue the blurring indication signal according to the degree of uniformity of distribution of each edge line in the captured image of the venue includes: when the distribution uniformity of each edge line in the captured image of the place exceeds the limit, sending a blurring prompt signal;
the uniformity analysis unit is connected with the CMOS sensor and used for receiving the site captured image, determining the content uniformity of the site captured image based on the pixel value distribution condition of the pixel points of the site captured image and outputting the content uniformity;
the definition analyzing unit is used for receiving the site captured image, determining the content definition of the site captured image based on the pixel value dynamic distribution range of the pixel points of the site captured image, and outputting the content definition;
the contrast analysis unit is used for receiving the site captured image, detecting the contrast of the site captured 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 the influence coefficient of the content uniformity degree on the image segmentation threshold value based on the content uniformity degree, determining the influence coefficient of the content definition degree on the image segmentation threshold value based on the content definition degree and determining the 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 simultaneously correcting the image segmentation threshold value based on the three influence coefficients acquired from the parameter identification unit and segmenting the captured image of the place based on the corrected image segmentation threshold value so as to obtain and output a target area with various targets;
the wiener filtering unit is connected with the image segmentation unit and used for receiving the target area, executing wiener filtering processing on the target area to obtain a corresponding image to be processed and outputting the image to be processed;
the resolution identification unit is connected with the wiener filtering unit and used for receiving the image to be processed, identifying the instant resolution of the image to be processed to obtain the instant resolution corresponding to the image to be processed and outputting the instant resolution;
the image sharpening unit is connected with the resolution identification unit and used for receiving the instant resolution and the image to be processed, determining the sharpening grade of the image to be processed for sharpening operation according to the size of the instant resolution, wherein the larger the instant resolution is, the higher the sharpening grade of the sharpening operation is, and outputting the instant sharpened image obtained after the sharpening operation is executed;
and the smoke analysis unit is connected with the image sharpening unit and used for receiving the instant sharpened image, forming a smoke area by pixel points with gray values falling between preset smoke gray value ranges, determining the area proportion of the smoke area occupying the instant sharpened image, and determining whether to send a smoke alarm signal based on the proportion.
The imaging lens is arranged in front of the CMOS sensor, and the CMOS sensor is used for sensing and outputting a place capture image.
The safety exit indicator lamp can enable the illuminating lamp to be turned on and off based on the area proportion of the image occupied by the smoke area, so that the intelligent level of the safety exit indicator lamp is improved; determining a sharpening level for performing a sharpening operation on the captured image based on the instantaneous resolution; an image segmentation threshold correction mechanism based on content uniformity, content definition and contrast is established, and the effectiveness of subsequent target area identification is improved; the method comprises the steps of adjusting the light-emitting mode of a flash near an image capturing unit based on the detection of the ambient brightness, and determining the corresponding blurring degree based on the output content of the image capturing unit so as to remind a user to perform corresponding adjustment when blurring is excessive.
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 (3)
1. A fire exit indicator light, comprising: the alarm lamp comprises an indicator lamp body (1), wherein a support (2) is arranged at the upper end of the indicator lamp body (1), an illuminating lamp (3) is installed on the support (2), and an alarm (4) is arranged on the indicator lamp body (1); the device also comprises an evenness detection unit which is connected with the image capturing unit and used for receiving the place capturing image output by the image capturing unit and analyzing the place capturing image as follows: determining each pixel point in the site captured image based on a preset gray threshold range, fitting each pixel point in the site captured image to obtain each edge line, and determining whether to send out a blurring prompt signal according to the distribution uniformity degree of each edge line in the site captured image; in the uniformity detection unit, determining whether to send out a blurring prompt signal according to the distribution uniformity of each edge line in the captured image of the place includes: when the distribution uniformity of each edge line in the captured image of the place exceeds the limit, sending a blurring prompt signal;
the uniformity analysis unit is connected with the CMOS sensor and used for receiving the site captured image, determining the content uniformity degree of the site captured image based on the pixel value distribution condition of pixel points of the site captured image and outputting the content uniformity degree;
the definition analyzing unit is used for receiving the site captured image, determining the content definition of the site captured image based on the dynamic distribution range of the pixel values of the pixel points of the site captured image, and outputting the content definition;
a contrast analyzing unit for receiving the location capture image, detecting a contrast of the location capture 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 simultaneously correcting an image segmentation threshold value based on the three influence coefficients acquired from the parameter identification unit and segmenting the captured image of the place based on the corrected image segmentation threshold value so as to obtain and output a target area with various targets;
the wiener filtering unit is connected with the image segmentation unit and used for receiving the target area, executing wiener filtering processing on the target area to obtain a corresponding image to be processed and outputting the image to be processed;
the resolution identification unit is connected with the wiener filtering unit and used for receiving the image to be processed, identifying the instant resolution of the image to be processed to obtain the instant resolution corresponding to the image to be processed and outputting the instant resolution;
the image sharpening unit is connected with the resolution identification unit and is used for receiving the instant resolution and the image to be processed, determining a sharpening level for performing sharpening operation on the image to be processed 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 the instant sharpened image obtained after the sharpening operation is performed;
and the smoke analysis unit is connected with the image sharpening unit and used for receiving the instant sharpened image, forming a smoke region by pixel points with gray values falling between preset smoke gray value ranges, determining the area proportion of the smoke region occupying the instant sharpened image, and determining whether to send out a smoke alarm signal based on the proportion.
2. The fire exit indicator according to claim 1, wherein the number of said illumination lamps (3) is 2, said illumination lamps (3) being adapted to be turned on when a smoke alarm signal is received and turned off when a smoke alarm signal is not received; the indicating lamp body (1) further comprises an image capturing unit, a brightness sensor and a flash lamp; the image capturing unit is used for capturing images facing to the place where the safety exit indicator lamp is located so as to obtain a place captured image and outputting the place captured image, and comprises an imaging lens and a CMOS sensor which are both located on an imaging light path of the image capturing unit; the brightness sensor is positioned at one side of the image capturing unit and used for measuring a current brightness value within a preset time interval and outputting the current brightness value; the flash lamp is positioned at one side of the image capturing unit, is connected with the brightness sensor, and is used for receiving the current brightness value and determining whether to emit auxiliary light or not based on the current brightness value; the flash lamp is further used for determining the intensity of the emitted auxiliary light according to the magnitude of the current brightness value after deciding to emit the auxiliary light, and the intensity of the emitted auxiliary light is smaller when the current brightness value is larger.
3. The fire exit indicator of claim 2, wherein the imaging lens is disposed in front of the CMOS sensor, the CMOS sensor being configured to sense and output the venue-captured image.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911079335.6A CN110992637B (en) | 2019-11-07 | 2019-11-07 | Safety exit indicator lamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911079335.6A CN110992637B (en) | 2019-11-07 | 2019-11-07 | Safety exit indicator lamp |
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| CN110992637A CN110992637A (en) | 2020-04-10 |
| CN110992637B true CN110992637B (en) | 2021-06-15 |
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| CN115690695A (en) * | 2022-12-29 | 2023-02-03 | 杭州浩联智能科技有限公司 | Construction site fire auxiliary disposal method, system and storage medium |
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| JP2013026131A (en) * | 2011-07-25 | 2013-02-04 | ▲高▼村電機工業株式会社 | Straight tube fluorescent lamp type led lamp for signboard |
| CN205946266U (en) * | 2016-08-17 | 2017-02-08 | 武汉创明光电科技有限公司 | Intelligent control firefighting emergency lamp |
| CN108992947A (en) * | 2018-08-17 | 2018-12-14 | 浙江大丰实业股份有限公司 | Stage coercion damage degree estimates platform |
| CN109064426A (en) * | 2018-07-26 | 2018-12-21 | 电子科技大学 | A kind of method and device for inhibiting dazzle in low-light (level) image and enhancing image |
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2019
- 2019-11-07 CN CN201911079335.6A patent/CN110992637B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013026131A (en) * | 2011-07-25 | 2013-02-04 | ▲高▼村電機工業株式会社 | Straight tube fluorescent lamp type led lamp for signboard |
| CN205946266U (en) * | 2016-08-17 | 2017-02-08 | 武汉创明光电科技有限公司 | Intelligent control firefighting emergency lamp |
| CN109064426A (en) * | 2018-07-26 | 2018-12-21 | 电子科技大学 | A kind of method and device for inhibiting dazzle in low-light (level) image and enhancing image |
| CN108992947A (en) * | 2018-08-17 | 2018-12-14 | 浙江大丰实业股份有限公司 | Stage coercion damage degree estimates platform |
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