CN213244114U - Illumination monitoring device with color correction function - Google Patents
Illumination monitoring device with color correction function Download PDFInfo
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- CN213244114U CN213244114U CN202021660514.7U CN202021660514U CN213244114U CN 213244114 U CN213244114 U CN 213244114U CN 202021660514 U CN202021660514 U CN 202021660514U CN 213244114 U CN213244114 U CN 213244114U
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Abstract
The utility model relates to an illumination monitoring device with colour correction function belongs to illumination monitoring technology field, and the image of having solved current monitoring device and obtained need carry on the colour and correct the back reuse and be used for colour discernment location, the problem that the calculated amount is big, inefficiency. The device comprises a first light-emitting module which is an ambient lighting light source and is electrically connected with a first power supply; the second light-emitting module is a standard illumination light source and is electrically connected with a second power supply; the lighting control assembly is respectively in communication connection with the first power supply and the second power supply and controls the first power supply and the second power supply to respectively and alternately and continuously supply input currents to the first light-emitting module and the second light-emitting module; and the image acquisition equipment acquires the image shot by the camera equipment and extracts the image shot when the second light-emitting module emits light. The device can directly obtain the image under the irradiation of the standard illumination light source, can be used for color identification and positioning without color correction, has less calculation amount and improves the positioning speed.
Description
Technical Field
The utility model relates to an illumination control technical field especially relates to an illumination monitoring device with colour correction function.
Background
The color recognition technology of machine vision is utilized to position people, objects or buildings in small and medium-sized metropolitan areas such as intelligent parks, intelligent scenic spots and the like, and the method has the advantages of simplicity and quickness. However, due to different scenes such as a garden and a scenic spot, in order to match the artistic effect of the night scene of the whole environment, roads or street lighting with different color temperatures may be adopted, so that the color of the image obtained by the camera equipment is the original color of the target to be positioned. Therefore, after the video image is acquired, before color recognition is performed, color correction is performed on the image, so that the images obtained under different illumination light sources and spectrum conditions are converted into images under standard illumination conditions, and then color recognition and comparison calculation are performed to position the target to be positioned.
The prior art has at least the following defects that firstly, the lighting device and the monitoring device cannot be efficiently combined for use, and only the technical effect of '1 + 1-2' can be realized; secondly, the existing illumination monitoring device can not obtain a monitoring image under standard illumination conditions, and color correction needs to be performed firstly when color identification and positioning are performed according to the monitoring image, so that a large amount of calculation is involved, and the color identification and positioning speed is low and the timeliness is poor.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing analysis, the present invention is directed to a lighting monitoring device with color correction function, for solving the problem that the existing lighting monitoring device cannot obtain images under standard illumination conditions.
The purpose of the utility model is mainly realized through the following technical scheme:
an illumination monitoring device with a color correction function comprises an illumination control assembly, a first light-emitting module, a second light-emitting module, a first power supply, a second power supply, a camera and an image acquisition device;
the first light-emitting module is an ambient lighting source and is electrically connected with the first power supply;
the second light-emitting module is a standard illumination light source and is electrically connected with the second power supply;
the illumination control assembly is respectively in communication connection with the first power supply and the second power supply and controls the first power supply and the second power supply to alternately and continuously supply input currents to the first light-emitting module and the second light-emitting module respectively;
the image acquisition equipment is used for acquiring the image shot by the camera equipment and extracting the image shot when the second light-emitting module emits light.
Further, the lighting device also comprises a base, the first light emitting module comprises a plurality of lighting lamps, and the second light emitting module comprises a plurality of standard light source lamps;
the plurality of lighting lamps, the plurality of light-emitting modules and the camera equipment are embedded on the base, and the plurality of lighting lamps and the plurality of standard light source lamps are alternately arranged at equal intervals by taking the camera equipment as a center.
Furthermore, a plurality of the lighting lamps are connected in parallel to the output end of the first power supply, and a plurality of the standard light source lamps are connected in parallel to the output end of the second power supply.
Further, the illumination control assembly and the image acquisition equipment are both fixed in a shell, and the shell is fixed on the bottom plate.
Further, the lighting monitoring device further comprises a fixing support used for fixing the lighting monitoring device at the installation position.
Furthermore, the standard light source lamp is a quantum dot LED lamp with a spectral range of 380 nm-760 nm, a color rendering index Ra value of more than 90 and an NTSC color gamut of more than 110%.
Further, the current change periods of the first power supply and the second power supply which are respectively input to the first light-emitting module and the second light-emitting module are the same.
Furthermore, the light-emitting time t of the second light-emitting module2In the range of
Where T represents the period of change of the input current.
Furthermore, the variation period range of the input current is T less than or equal to 0.02 s.
Further, the frame rate of the image pickup apparatus is greater than 25 FPS.
Compared with the prior art, the utility model discloses can realize one of following beneficial effect at least:
1. the utility model provides an illumination monitoring device with colour correction function through in turn being the power supply of first luminous module and the luminous module of second in succession, makes first luminous module and the luminous module of second in turn send out light in succession. The first light-emitting module provides an environment illumination light source meeting the requirements of users, the second light-emitting module provides a standard illumination light source for the camera equipment, and an image under the illumination of the standard illumination light source is extracted from an image shot by the camera equipment, so that the color identification and positioning can be directly carried out, the color correction is not needed, the calculated amount is small, the timeliness is high, and the positioning efficiency is improved.
2. The utility model provides an illumination monitoring device with colour correction function, guarantee its output the same luminous flux through providing the same input voltage for first luminous module and second luminous module, set up the current variation cycle in 0.02s simultaneously, and make a plurality of illumination lamps and lanterns of first luminous module and a plurality of standard light source lamps and lanterns of second luminous module use camera equipment as equidistant alternative arrangement in center, thereby guarantee that the standard light source that the second luminous module sent can not exert an influence to the effect of shining and the atmosphere (the light source that first luminous module sent) of using scene actual demand, and guarantee that the human eye can't observe the alternative luminescence between first luminous module and the second luminous module, in order to provide stable ambient lighting.
The utility model discloses in, can also make up each other between the above-mentioned each technical scheme to realize more preferred combination scheme. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.
Fig. 1 is a schematic view of an illumination monitoring apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of an arrangement of a lighting fixture and a standard light source fixture on a base according to an embodiment of the present invention;
fig. 3 is another arrangement diagram of the lighting fixture and the standard light source fixture on the base according to the embodiment of the present invention;
fig. 4 is another schematic arrangement diagram of the lighting fixture and the standard light source fixture on the base according to the embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a first power supply and a second power supply according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a variation cycle of output currents of the first power supply and the second power supply according to the embodiment of the present invention.
1-a base; 2-a shell; 3-fixing the bracket; 4-a camera control component; 5-a lighting control assembly; 6-image acquisition equipment; 7-an image pickup apparatus; 8-a first light emitting module; 9-a second light emitting module.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
The utility model discloses a concrete embodiment discloses a lighting monitoring device with colour correction function. As shown in fig. 1, the apparatus includes an illumination control assembly, a first light-emitting module, a second light-emitting module, a camera device, an image capturing device, a camera device control assembly, a first power supply and a second power supply, which are not shown in fig. 1.
The first light-emitting module is an ambient lighting source and is electrically connected with the first power supply. The second light-emitting module is a standard illumination light source and is electrically connected with a second power supply. The lighting control assembly is respectively in communication connection with the first power supply and the second power supply and controls the first power supply and the second power supply to alternately and continuously supply input currents to the first light-emitting module and the second light-emitting module respectively so as to enable the first light-emitting module and the second light-emitting module to alternately and continuously emit light.
Preferably, the lighting control assembly comprises a microcontroller and a memory chip (24CO2), and the memory chip is used for controlling the output current of the first power supply and the second power supply to be periodically changed.
And the image acquisition equipment is used for acquiring the image shot by the camera equipment and extracting the image shot when the second light-emitting module emits light, namely the image under the standard light source condition, from the image shot by the camera equipment according to the light-emitting time of the second light-emitting module and the frame rate of the camera equipment.
The camera equipment control assembly is connected with the camera equipment and used for controlling the on-off and adjustment of the camera equipment.
Preferably, the device can be installed on the multi-functional lamp pole of wisdom. The intelligent multifunctional lamp pole serves as an important infrastructure of a new infrastructure, multiple functions such as a light pole, a security monitoring pole and a 5G micro base station pole are born in the new infrastructure, and conditions are provided for breaking barriers between illumination and security and achieving data sharing and utilization. Therefore, through the illumination monitoring device, the monitoring camera equipment can directly obtain images under standard illumination conditions, and the color identification of machine vision does not need an additional conversion link, so that the feasibility of applying the color identification technology in an intelligent security application scene is improved. In addition, the lighting lamp and the camera equipment are integrated, the number of the equipment on the intelligent multifunctional rod is simplified, the space of the sky surface required by the 5G micro base station is carried on the intelligent multifunctional rod, and the utilization rate of the intelligent multifunctional rod is improved.
Preferably, the lighting device further comprises a base, the first lighting module comprises a plurality of lighting fixtures, and the second lighting module comprises a plurality of standard light source fixtures. The standard illumination light source refers to a white light LED light source with a specific color temperature according to the requirements of national or industrial standards. Preferably, the standard light source is a quantum dot LED lamp with a spectral range of 380nm to 760nm, a color rendering index Ra value of 90 or more and an NTSC (national television standards Committee) color gamut of 110% or more.
The plurality of lighting lamps, the plurality of light-emitting modules and the camera equipment are embedded on the base, and in order to ensure that the illumination of the standard light source does not influence the overall lighting effect of the device, as shown in fig. 2, 3 and 4, the plurality of lighting lamps and the plurality of standard light source lamps are arranged alternately at equal intervals by taking the camera equipment as the center. The shape of the bottom plate can be specifically selected according to the installation scene so as to facilitate installation.
Preferably, the first power supply is the same as the second power supply, as shown in fig. 5, the pin 5 of the output end thereof can output an output voltage of 0V to 10V, and specifically, the voltages input into the first light emitting module and the second light emitting module by the first power supply and the second power supply are equal in magnitude. Preferably, the plurality of lighting fixtures are connected in parallel to the output end of the first power supply, and the plurality of standard light source fixtures are connected in parallel to the output end of the second power supply, so that the first light-emitting module and the second light-emitting module output the same luminous flux, and the switching of light emission between the first light-emitting module and the second light-emitting module cannot be perceived by naked eyes.
Preferably, the lighting control assembly and the image acquisition device are both fixed in a shell, and the shell is fixed on the bottom plate. Specifically, a first power supply and a second power supply are also fixed in the shell, and a control signal output end of a microcontroller in the lighting control assembly is respectively connected with pins 3 of the first power supply and the second power supply.
Preferably, in order to facilitate the installation of the device, the lighting monitoring device further comprises a fixing bracket for fixing the lighting monitoring device at the installation position.
Preferably, as shown in fig. 6, the current variation periods input by the first power supply and the second power supply to the first light emitting module and the second light emitting module respectively are the same, and the sum of the current input time of the first light emitting module and the current input time of the second light emitting module is the time of one current variation period. The device can realize uninterrupted illumination.
Considering that the lighting effect (such as color temperature) of the first lighting module needs to be specifically set according to different application scenes, and there may be a large difference with the color temperature of the standard illumination light source, the standard light source emitted by the second lighting module may affect the lighting effect and atmosphere (light source emitted by the first lighting module) actually required by the application scenes, and in order to avoid the effect and ensure that human eyes cannot observe the alternate lighting between the first lighting module and the second lighting module so as to provide stable ambient lighting, measures are taken that the lighting time of the second lighting module is set not to exceed the lighting time of the first lighting module within one lighting period; preferably, the light emitting time of the second light emitting module is less than one ninth of the light emitting time of the first light emitting module, so the light emitting time t of the second light emitting module is set2In the range of
Wherein T represents a variation period of the input current, i.e., a light emitting period of the first and second light emitting modules. Preferably, the variation period range of the input current is T ≦ 0.02s, so that the light emitting time of the second light emitting module in one light emitting period is very short.
In order to ensure the fluency of the video images shot by the camera equipment and to shoot the images irradiated by the second light-emitting module within the short light-emitting time of the second light-emitting module, the frame rate of the camera equipment is set to be more than 25 FPS. The preferred frame rate of the image pickup apparatus may be 120FPS or more or 500 FPS.
Illustratively, the light emitting period of the second light emitting module is 0.02s, that is, the light emitting frequency of the second light emitting module is 50Hz, wherein within one light emitting period, the light emitting time of the second light emitting module is 0.01s, and the frame rate of the image capturing apparatus is 120 FPS. And simultaneously starting the second light-emitting module and the camera equipment, wherein the images of the 12 th frame, the 24 th frame and the 36 th frame … … shot by the camera equipment extracted by the image acquisition equipment are the images under the irradiation of the standard illumination light source.
Illustratively, the light emitting period of the second light emitting module is 0.02s, i.e. the light emitting frequency of the second light emitting module is 50Hz, the light emitting time of the second light emitting module in one period is 0.002s, and the frame rate of the image pickup apparatus is 500 FPS. At this time, the … … images of the 10 th frame, the 20 th frame and the 30 th frame extracted by the image acquisition device are the images under the irradiation of the standard illumination light source.
Compared with the prior art, the utility model provides an illumination monitoring device with colour correction function at first, through in turn being the power supply of first luminous module and second luminous module in succession, makes first luminous module and second luminous module in turn in succession luminous. The first light-emitting module provides an ambient light source meeting the requirements of users, the second light-emitting module provides a standard light source for the camera equipment, and an image under the irradiation of the standard light source is extracted from an image shot by the camera equipment, so that the image can be directly used for color identification and positioning without color correction, the calculated amount is small, the timeliness is high, and the positioning efficiency is improved; secondly, the same input voltage is provided for the first light-emitting module and the second light-emitting module to ensure that the first light-emitting module and the second light-emitting module output the same luminous flux, meanwhile, the current change period is set within 0.02s, and the plurality of lighting lamps of the first light-emitting module and the plurality of standard light source lamps of the second light-emitting module are alternately arranged at equal intervals by taking the camera equipment as the center, so that the standard light source emitted by the second light-emitting module can not influence the irradiation effect and atmosphere (light source emitted by the first light-emitting module) which are actually required by an application scene, and the human eyes can not observe the alternate light emission between the first light-emitting module and the second light-emitting module, thereby providing stable environmental illumination.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. An illumination monitoring device with a color correction function is characterized by comprising an illumination control assembly, a first light-emitting module, a second light-emitting module, a first power supply, a second power supply, a camera device and an image acquisition device;
the first light-emitting module is an ambient lighting source and is electrically connected with the first power supply;
the second light-emitting module is a standard illumination light source and is electrically connected with the second power supply;
the illumination control assembly is respectively in communication connection with the first power supply and the second power supply and controls the first power supply and the second power supply to alternately and continuously supply input currents to the first light-emitting module and the second light-emitting module respectively;
the image acquisition equipment is used for acquiring the image shot by the camera equipment and extracting the image shot when the second light-emitting module emits light.
2. The lighting monitoring device with color correction function as claimed in claim 1, further comprising a base, wherein the first lighting module comprises a plurality of lighting fixtures, and the second lighting module comprises a plurality of standard light source fixtures;
the plurality of lighting lamps, the plurality of light-emitting modules and the camera equipment are embedded on the base, and the plurality of lighting lamps and the plurality of standard light source lamps are alternately arranged at equal intervals by taking the camera equipment as a center.
3. The illumination monitoring device with color correction function according to claim 2, wherein a plurality of the illumination lamps are connected in parallel to an output terminal of the first power supply, and a plurality of the standard light source lamps are connected in parallel to an output terminal of the second power supply.
4. The illumination monitoring device with the color correction function as claimed in claim 2 or 3, wherein the illumination control assembly and the image capturing apparatus are fixed in a housing, and the housing is fixed on the base.
5. The illumination monitoring device with color correction function as claimed in claim 4, further comprising a fixing bracket for fixing the illumination monitoring device at a mounting position.
6. The lighting monitoring device with color correction function as claimed in claim 2, wherein the standard light source lamp is a quantum dot LED lamp with a spectral range of 380nm to 760nm, a color rendering index Ra value of 90 or more, and an NTSC color gamut of 110% or more.
7. The illumination monitoring device with color correction function as claimed in any one of claims 1 to 3, 5 and 6, wherein the current variation periods inputted by the first power supply and the second power supply to the first light-emitting module and the second light-emitting module respectively are the same.
8. The illumination monitoring device with color correction function as claimed in claim 7, wherein the lighting time t of the second lighting module2In the range of [ T/10, T/2]Where T represents a variation period of the input current.
9. The illumination monitoring device with color correction function as claimed in claim 8, wherein the variation period range of the input current is T ≦ 0.02 s.
10. The illumination monitoring apparatus with the color correction function according to claim 8 or 9, characterized in that a frame rate of the image pickup device is greater than 25 FPS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021660514.7U CN213244114U (en) | 2020-08-11 | 2020-08-11 | Illumination monitoring device with color correction function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021660514.7U CN213244114U (en) | 2020-08-11 | 2020-08-11 | Illumination monitoring device with color correction function |
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| CN213244114U true CN213244114U (en) | 2021-05-18 |
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| CN202021660514.7U Active CN213244114U (en) | 2020-08-11 | 2020-08-11 | Illumination monitoring device with color correction function |
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| TR01 | Transfer of patent right |
Effective date of registration: 20211220 Address after: 2201, floor 19, building 3, yard 128, South Fourth Ring West Road, Fengtai District, Beijing 100070 Patentee after: Beijing haoersai smart Metro Technology Co.,Ltd. Address before: 100070 22 / F, building 3, Nord center, 128 South 4th Ring Road West, Fengtai District, Beijing Patentee before: Holsay Technology Group Co.,Ltd. |
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| TR01 | Transfer of patent right |