CN114137435A - LED display online calibration system - Google Patents
LED display online calibration system Download PDFInfo
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- CN114137435A CN114137435A CN202111414182.3A CN202111414182A CN114137435A CN 114137435 A CN114137435 A CN 114137435A CN 202111414182 A CN202111414182 A CN 202111414182A CN 114137435 A CN114137435 A CN 114137435A
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- 238000012423 maintenance Methods 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims abstract description 24
- 238000010223 real-time analysis Methods 0.000 claims abstract description 7
- 238000013499 data model Methods 0.000 claims abstract description 6
- 239000011324 bead Substances 0.000 claims description 10
- 230000032683 aging Effects 0.000 claims description 5
- 230000035807 sensation Effects 0.000 claims description 5
- 230000003203 everyday effect Effects 0.000 claims description 3
- 238000004164 analytical calibration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/44—Testing lamps
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
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Abstract
The invention discloses an LED display online calibration system which comprises a display and control unit, an LED display and control operation and maintenance cloud server, a control unit, a light sense sensor, a temperature sensor, a humidity sensor, a CCD camera and a wireless communication module, wherein the control unit, the light sense sensor, the temperature sensor, the humidity sensor, the CCD camera and the wireless communication module are arranged on an LED screen body, the display and control unit is connected with the LED display and control operation and maintenance cloud server, the light sense sensor, the temperature sensor, the humidity sensor, the CCD camera and the wireless communication module are respectively connected with the control unit, and the wireless communication module is respectively in wireless connection with the LED display and control operation and maintenance cloud server and the control unit. The invention has the advantages that the online real-time analysis and calibration are realized, the labor is saved, the operation and maintenance efficiency is improved, the accumulated large amount of screen operation data can provide the best matching data model for the quality improvement of the future LED screen, and the best display experience can be realized according to the real-time calibration.
Description
Technical Field
The invention relates to the technical field of online calibration, in particular to an LED display online calibration system.
Background
At present, the display condition of an LED screen is detected, and the existing method needs to be checked and calibrated on site by personnel, so that time and labor are wasted.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the LED display online calibration system is used for online real-time analysis and calibration, so that labor is saved, operation and maintenance efficiency is improved, a large amount of accumulated screen operation data can provide a best-matching data model for quality improvement of a future LED screen, and optimal display experience can be realized according to real-time calibration.
In order to solve the technical problems, the invention provides an LED display online calibration system which comprises a display control unit, an LED display control operation and maintenance cloud server, a control unit, a light sense sensor, a temperature sensor, a humidity sensor, a CCD camera and a wireless communication module, wherein the control unit, the light sense sensor, the temperature sensor, the humidity sensor, the CCD camera and the wireless communication module are arranged on an LED screen body;
the light sensation sensor is used for collecting the light emitting information of the LED screen body and transmitting the light emitting information to the control unit;
the temperature sensor is used for acquiring temperature information of the LED screen body and transmitting the temperature information to the control unit;
the humidity sensor is used for collecting humidity information of the LED screen body and transmitting the humidity information to the control unit;
the CCD camera is used for acquiring image information of the LED screen body and transmitting the image information to the control unit;
the wireless communication module is used for sending the light-emitting information, the temperature information, the humidity information and the image information collected by the control unit to the LED display control operation and maintenance cloud server;
the LED display control operation and maintenance cloud server is used for storing the light-emitting information, the temperature information, the humidity information and the image information transmitted by the wireless communication module, carrying out online real-time analysis and calibration, establishing an aging curve graph of the lamp beads and giving real-time optimal calibration parameters of the lamp beads;
and the display control unit is used for displaying the aging curve graph of the lamp beads and the real-time optimal calibration parameters of the lamp beads.
Furthermore, the wireless communication module is a 5G communication module.
Further, the online real-time analysis calibration comprises the following steps:
(a) firstly, the calibration work of the LED screen body before delivery is finished, the calibration is divided into two steps of brightness calibration and color temperature calibration, and meanwhile, calibration parameters are stored in a control unit and backed up by an LED display control operation cloud server;
(b) configuring a screen body every day, starting the screen body, entering a self-checking mode, linking a CCD camera to perform red, green, blue and white screen modes, and acquiring corresponding image information at a gray scale level of 0-255 and transmitting the image information back to the LED display control operation and maintenance cloud server; the light sensor is linked to acquire the light emitting information of the LED screen body and transmit the light emitting information back to the LED display control operation and maintenance cloud server; the linkage temperature sensor acquires temperature information of the LED screen body and transmits the temperature information back to the LED display control operation and maintenance cloud server; the linkage humidity sensor acquires humidity information of the LED screen body and transmits the humidity information back to the LED display control operation and maintenance cloud server;
(c) the LED display control operation and maintenance cloud server obtains a change curve of the LED screen light source through image comparison, if the change curve exceeds a preset data model, parameter calibration is carried out, and the difference between an image of the brightness and the color temperature of the LED screen light source and an initial image is kept at 10%.
The technical scheme at least has the following beneficial effects: according to the invention, the display unit, the LED display control operation and maintenance cloud server, the control unit, the light sensation sensor, the temperature sensor, the humidity sensor, the CCD camera and the wireless communication module are adopted to perform online real-time analysis and calibration, so that not only is the labor saved and the operation and maintenance efficiency improved, but also a large amount of accumulated screen operation data can provide an optimally matched data model for the future quality improvement of the LED screen, and meanwhile, the optimal experience of display can be realized according to real-time calibration.
Drawings
FIG. 1 is a schematic block diagram of an LED display online calibration system of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the LED display online calibration system of the present invention includes a display control unit 1, an LED display control operation and maintenance cloud server 2, and a control unit 3, a light-sensing sensor 4, a temperature sensor 5, a humidity sensor 6, a CCD camera 7, and a wireless communication module 8 which are arranged on an LED screen 9, where the display control unit 1 is connected to the LED display control operation and maintenance cloud server 2, the light-sensing sensor 4, the temperature sensor 5, the humidity sensor 6, the CCD camera 7, and the wireless communication module 8 are respectively connected to the control unit 3, the wireless communication module 8 is a 5G communication module, and the wireless communication module 8 is respectively connected to the LED display control operation and maintenance cloud server 2 and the control unit 3 wirelessly; the light sensor 4 is used for acquiring the light emitting information of the LED screen body 9 and transmitting the light emitting information to the control unit 3; the temperature sensor 5 is used for collecting temperature information of the LED screen body 9 and transmitting the temperature information to the control unit 3; the humidity sensor 6 is used for acquiring humidity information of the LED screen body 9 and transmitting the humidity information to the control unit 3; the CCD camera 7 is used for acquiring image information of the LED screen body 9 and transmitting the image information to the control unit 3; the wireless communication module 8 is used for sending the light-emitting information, the temperature information, the humidity information and the image information collected by the control unit 3 to the LED display control operation and maintenance cloud server 2; the LED display control operation and maintenance cloud server 2 is used for storing, analyzing and calculating the light-emitting information, the temperature information, the humidity information and the image information transmitted by the wireless communication module 8, establishing an aging curve graph of the lamp beads and giving real-time optimal calibration parameters of the lamp beads; in operation, in particular, the online real-time analytical calibration comprises the following steps: firstly, the calibration work of the LED screen body 9 before delivery is finished, the calibration is divided into two steps of brightness calibration and color temperature calibration, and meanwhile, calibration parameters are stored in the control unit 3 and backed up by the LED display control operation and maintenance cloud server 2; configuring a screen body every day, starting up the screen body, entering a self-checking mode, linking the CCD camera 7 to perform red, green, blue and white screen modes, and acquiring corresponding image information at a gray scale level of 0-255 and transmitting the image information back to the LED display control operation and maintenance cloud server 2; the light sensor 4 is linked to collect the light emitting information of the LED screen body 9 and transmit the light emitting information back to the LED display control operation cloud server 2; the linkage temperature sensor 5 acquires temperature information of the LED screen body 9 and transmits the temperature information back to the LED display control operation and maintenance cloud server 2; the linkage humidity sensor 6 acquires humidity information of the LED screen body 9 and transmits the humidity information back to the LED display control operation and maintenance cloud server 2; the LED display control operation and maintenance cloud server 2 obtains a change curve of the LED screen body 9 light source through image comparison, if the change curve exceeds a preset data model, parameter calibration is carried out, and the basis of calibration is to keep the difference between the image of the brightness and the color temperature of the LED screen body 9 light source and the initial image at 10%.
While the foregoing is directed to embodiments of the present invention, it will be appreciated by those skilled in the art that various changes may be made in the embodiments without departing from the principles of the invention, and that such changes and modifications are intended to be included within the scope of the invention.
Claims (3)
1. An LED display online calibration system is characterized by comprising a display control unit, an LED display control operation and maintenance cloud server, a control unit, a light sensation sensor, a temperature sensor, a humidity sensor, a CCD camera and a wireless communication module, wherein the control unit, the light sensation sensor, the temperature sensor, the humidity sensor, the CCD camera and the wireless communication module are arranged on an LED screen body;
the light sensation sensor is used for collecting the light emitting information of the LED screen body and transmitting the light emitting information to the control unit;
the temperature sensor is used for acquiring temperature information of the LED screen body and transmitting the temperature information to the control unit;
the humidity sensor is used for collecting humidity information of the LED screen body and transmitting the humidity information to the control unit;
the CCD camera is used for acquiring image information of the LED screen body and transmitting the image information to the control unit;
the wireless communication module is used for sending the light-emitting information, the temperature information, the humidity information and the image information collected by the control unit to the LED display control operation and maintenance cloud server;
the LED display control operation and maintenance cloud server is used for storing the light-emitting information, the temperature information, the humidity information and the image information transmitted by the wireless communication module, carrying out online real-time analysis and calibration, establishing an aging curve graph of the lamp beads and giving real-time optimal calibration parameters of the lamp beads;
and the display control unit is used for displaying the aging curve graph of the lamp beads and the real-time optimal calibration parameters of the lamp beads.
2. The LED display online calibration system of claim 1, wherein the wireless communication module is a 5G communication module.
3. The LED display online calibration system of claim 1, wherein the online real-time analysis calibration comprises the steps of:
(a) firstly, the calibration work of the LED screen body before delivery is finished, the calibration is divided into two steps of brightness calibration and color temperature calibration, and meanwhile, calibration parameters are stored in a control unit and backed up by an LED display control operation cloud server;
(b) configuring a screen body every day, starting the screen body, entering a self-checking mode, linking a CCD camera to perform red, green, blue and white screen modes, and acquiring corresponding image information at a gray scale level of 0-255 and transmitting the image information back to the LED display control operation and maintenance cloud server; the light sensor is linked to acquire the light emitting information of the LED screen body and transmit the light emitting information back to the LED display control operation and maintenance cloud server; the linkage temperature sensor acquires temperature information of the LED screen body and transmits the temperature information back to the LED display control operation and maintenance cloud server; the linkage humidity sensor acquires humidity information of the LED screen body and transmits the humidity information back to the LED display control operation and maintenance cloud server;
(c) the LED display control operation and maintenance cloud server obtains a change curve of the LED screen light source through image comparison, if the change curve exceeds a preset data model, parameter calibration is carried out, and the difference between an image of the brightness and the color temperature of the LED screen light source and an initial image is kept at 10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111414182.3A CN114137435A (en) | 2021-11-25 | 2021-11-25 | LED display online calibration system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111414182.3A CN114137435A (en) | 2021-11-25 | 2021-11-25 | LED display online calibration system |
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| CN213657923U (en) * | 2020-12-18 | 2021-07-09 | 河南省计量科学研究院 | Refrigerator car humiture measurement calibration system |
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2021
- 2021-11-25 CN CN202111414182.3A patent/CN114137435A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101339740A (en) * | 2008-08-05 | 2009-01-07 | 西安青松科技股份有限公司 | Intelligent big screen LED control system of high stability |
| CN101697654A (en) * | 2009-10-30 | 2010-04-21 | 中山大学 | Correlated color temperature and color rendering index self-calibration circuit of LED light source consisting of light of multiple colors |
| CN104485068A (en) * | 2014-12-02 | 2015-04-01 | 西安诺瓦电子科技有限公司 | Luminance-chrominance correction method and system of LED (Light Emitting Diode) display screen |
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Application publication date: 20220304 |