CN113362729B - LED display screen overhauling method and device and LED display screen overhauling system - Google Patents
LED display screen overhauling method and device and LED display screen overhauling system Download PDFInfo
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- CN113362729B CN113362729B CN202110713729.3A CN202110713729A CN113362729B CN 113362729 B CN113362729 B CN 113362729B CN 202110713729 A CN202110713729 A CN 202110713729A CN 113362729 B CN113362729 B CN 113362729B
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The application provides a maintenance method and a maintenance device for an LED display screen and a maintenance system for the LED display screen, wherein the maintenance method comprises the following steps: acquiring the wavelength of the emitted light of each LED lamp bead of the LED display screen to obtain a detection wavelength; determining whether the LED lamp beads are qualified or not according to the detection wavelength; and under the condition that the LED lamp beads are unqualified, the maintenance machine is controlled to replace the LED lamp beads. According to the maintenance method, whether each LED lamp bead is qualified or not is determined by obtaining the wavelength of the emitted light of each LED lamp bead of the LED display screen, and the maintenance machine is controlled to replace unqualified LED lamp beads.
Description
Technical Field
The application relates to the technical field of LED (light emitting diode) maintenance, in particular to a maintenance method and a maintenance device for an LED display screen, a computer readable storage medium, a processor and a maintenance system for the LED display screen.
Background
The prior art is not intelligent enough, only has single aging test and needs human eyes to identify badness, and the strong light easily causes visual fatigue, so that the badness product is missed to be detected, and the badness product is manually maintained after aging, thereby delaying a large amount of switching and maintaining time.
The above information disclosed in this background section is only for enhancement of understanding of the background of the technology described herein and, therefore, certain information may be included in the background that does not form the prior art that is already known in this country to a person of ordinary skill in the art.
Disclosure of Invention
The main purpose of the application is to provide a maintenance method, a maintenance device, a computer readable storage medium, a processor and a maintenance system of an LED display screen, so as to solve the problems of low accuracy and low manual maintenance efficiency in manual detection of LED lamp beads in the prior art.
According to an aspect of the embodiments of the present invention, there is provided a method for repairing an LED display screen, including: acquiring the wavelength of the emitted light of each LED lamp bead of the LED display screen to obtain a detection wavelength; determining whether the LED lamp beads are qualified or not according to the detection wavelength; and under the condition that the LED lamp beads are unqualified, controlling a maintenance machine to replace the LED lamp beads.
Optionally, before the wavelength of the emitted light of each LED lamp bead of the LED display screen is obtained to obtain the detection wavelength, the method further includes: acquiring an image of the LED display screen in a working state; determining whether the LED display screen has abnormal brightness according to the image; and under the condition that the LED display screen does not have abnormal brightness, stopping overhauling.
Optionally, the emitting light of the LED lamp bead includes white light, red light, green light, and blue light, the detection wavelength includes a white light wavelength, a red light wavelength, a green light wavelength, and a blue light wavelength, and determining whether the LED lamp bead is qualified according to the detection wavelength includes: determining that the LED lamp bead is qualified under the condition that the white light wavelength, the red light wavelength, the green light wavelength and the blue light wavelength are in corresponding normal wavelength ranges; and under the condition that any one of the white light wavelength, the red light wavelength, the green light wavelength and the blue light wavelength is not in the corresponding normal wavelength range, determining that the LED lamp bead is unqualified.
Optionally, the normal wavelength range of the white light is 450m to 465m, the normal wavelength range of the red light is 615m to 650m, the normal wavelength range of the green light is 565m to 575m, and the normal wavelength range of the blue light is 495m to 530m.
Optionally, under the condition that the LED lamp bead is not qualified, after controlling a maintenance machine to replace the LED lamp bead, the method further includes: acquiring the wavelength of emitted light of a replacement lamp bead within a preset time period to obtain wavelength data, wherein the replacement lamp bead is a replaced LED lamp bead; and determining whether the replacement lamp bead works stably according to the wavelength data.
Optionally, determining whether the replacement lamp bead works stably according to the wavelength data includes: calculating a process capability index and/or a reject ratio based on the wavelength data; and determining whether the replacement lamp beads work stably or not according to the process capability index and/or the reject ratio.
According to another aspect of the embodiments of the present invention, there is also provided an overhaul apparatus for an LED display screen, including: the acquisition unit is used for acquiring the wavelength of the emitted light of each LED lamp bead of the LED display screen to obtain the detection wavelength; the determining unit is used for determining whether the LED lamp bead is qualified or not according to the detection wavelength; and the control unit is used for controlling the maintenance machine to replace the LED lamp beads under the condition that the LED lamp beads are unqualified.
According to still another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium, characterized in that the computer-readable storage medium includes a stored program, wherein the program executes any one of the repair methods.
According to another aspect of the embodiments of the present invention, there is also provided a processor, configured to run a program, where the program is run to perform any one of the above described service methods.
According to another aspect of the embodiment of the invention, the maintenance system of the LED display screen comprises the maintenance device of the LED display screen and a maintenance machine, wherein the maintenance device of the LED display screen is used for executing any one of the maintenance methods.
In the embodiment of the invention, in the maintenance method of the LED display screen, firstly, the wavelength of the emitted light of each LED lamp bead of the LED display screen is obtained, and the detection wavelength is obtained; then, determining whether the LED lamp beads are qualified or not according to the detection wavelength; and finally, controlling a maintenance machine to replace the LED lamp beads under the condition that the LED lamp beads are unqualified. According to the maintenance method, whether each LED lamp bead is qualified or not is determined by obtaining the wavelength of the emitted light of each LED lamp bead of the LED display screen, and the maintenance machine is controlled to replace unqualified LED lamp beads.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
FIG. 1 shows a flow chart of a method of servicing an LED display screen according to an embodiment of the present application;
FIG. 2 shows a schematic diagram of an LED display screen according to an embodiment of the present application;
FIG. 3 shows a schematic view of an inspection device for an LED display screen according to an embodiment of the present application.
Detailed Description
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
As mentioned in the background art, in the prior art, the accuracy of manual detection of LED lamp beads is low and the efficiency of manual maintenance is low, and in order to solve the above problems, in an exemplary embodiment of the present application, a maintenance method for an LED display screen, a maintenance device, a computer-readable storage medium, a processor, and a maintenance system for an LED display screen are provided.
According to the embodiment of the application, an overhauling method of the LED display screen is provided.
FIG. 1 is a flow chart of a method for overhauling an LED display screen according to an embodiment of the application. As shown in fig. 1, the method comprises the steps of:
step S101, acquiring the wavelength of emitted light of each LED lamp bead of the LED display screen to obtain a detection wavelength;
step S102, determining whether the LED lamp beads are qualified or not according to the detection wavelength;
and S103, controlling a maintenance machine to replace the LED lamp beads under the condition that the LED lamp beads are unqualified.
In the maintenance method of the LED display screen, firstly, the wavelength of the emitted light of each LED lamp bead of the LED display screen is obtained, and the detection wavelength is obtained; then, determining whether the LED lamp beads are qualified or not according to the detection wavelength; and finally, controlling a maintenance machine to replace the LED lamp beads under the condition that the LED lamp beads are unqualified. According to the maintenance method, whether each LED lamp bead is qualified or not is determined by obtaining the wavelength of the emitted light of each LED lamp bead of the LED display screen, and the maintenance machine is controlled to replace unqualified LED lamp beads.
It should be noted that the overhauling method of the LED display screen adopts machine detection, has higher recognition rate, can operate continuously for a long time, and avoids misjudgment caused by long-time work fatigue of workers, thereby improving the poor recognition rate.
It should also be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
In an embodiment of the application, before obtaining the wavelength of the emitted light of each LED bead of the LED display screen and obtaining the detection wavelength, the method further includes: acquiring an image of the LED display screen in a working state; and determining whether the LED display screen has abnormal brightness according to the image, and stopping the maintenance under the condition that the LED display screen has no abnormal brightness. Specifically, whether the brightness of the LED display screen is abnormal or not is determined by obtaining an image of the LED display screen in the working state, and the maintenance is stopped under the condition that the brightness of the LED display screen is not abnormal, so that the wavelengths of the emitted light of the LED lamp beads do not need to be checked one by one to determine whether the LED lamp beads are qualified or not, the maintenance workload is saved, and under the condition that the brightness of the LED display screen is abnormal, the wavelengths of the emitted light of the LED lamp beads of the LED display screen are detected to find out unqualified LED lamp beads so as to replace the unqualified LED lamp beads.
In an embodiment of the present application, the emitted light of the LED lamp bead includes white light, red light, green light and blue light, the detection wavelength includes white light wavelength, red light wavelength, green light wavelength and blue light wavelength, and whether the LED lamp bead is qualified or not is determined according to the detection wavelength, which includes: determining that the LED lamp bead is qualified under the condition that the white light wavelength, the red light wavelength, the green light wavelength and the blue light wavelength are in corresponding normal wavelength ranges; and under the condition that any one of the white light wavelength, the red light wavelength, the green light wavelength and the blue light wavelength is not in a corresponding normal wavelength range, determining that the LED lamp bead is unqualified. Specifically, different working modes of the LED display screen require that the colors of emitted light of the LED lamp beads are different, the emitted light of the LED lamp beads comprises white light, red light, green light and blue light, and the LED lamp beads are determined to be qualified under the condition that the wavelength of the white light, the wavelength of the red light, the wavelength of the green light and the wavelength of the blue light are all in corresponding normal wavelength ranges, so that the LED display screen can normally work in different working modes.
In an embodiment of the present application, the normal wavelength range of the white light is 450m to 465m, the normal wavelength range of the red light is 615m to 650m, the normal wavelength range of the green light is 565m to 575m, and the normal wavelength range of the blue light is 495m to 530m. Specifically, the wavelengths of the white light, the red light, the green light, and the blue light are in corresponding normal wavelength ranges, so that the white light picture, the red light picture, the green light picture, and the blue light picture of the LED display screen can be displayed normally.
In an embodiment of this application, divide into first LED lamp pearl and second LED lamp pearl with the LED lamp pearl of LED display screen, arbitrary two above-mentioned first LED lamp pearls are not adjacent, and arbitrary two above-mentioned second LED lamp pearls are not adjacent, acquire the wavelength of the transmission light of each LED lamp pearl of LED display screen, obtain the detection wavelength, include: controlling a first LED lamp bead of the LED display screen to work, controlling a second LED lamp bead of the LED display screen not to work, and controlling a wavelength detection device to detect the wavelength of the first LED lamp bead; and controlling a second LED lamp bead of the LED display screen to work, controlling a first LED lamp bead not to work, and controlling a wavelength detection device to detect the wavelength of the second LED lamp bead. Specifically, according to the method, the wavelength of the first LED lamp bead is detected first, and then the wavelength of the second LED lamp bead is detected, so that the mutual interference of the wavelength detection of the adjacent lamp beads is avoided, and the accuracy of the wavelength detection is improved, as shown in fig. 2, the circle represents the first LED lamp bead, and the cross represents the second LED lamp bead.
In another embodiment of this application, obtain the wavelength of the emitted light of each LED lamp pearl of LED display screen, obtain the detection wavelength, include: under the condition that the mold covers the lamp panel, the wavelength detection device is controlled to detect the wavelength of each LED lamp bead respectively, the mold comprises a plurality of dark lattices, the dark lattices correspond to the LED lamp beads one to one, and the dark lattices are used for preventing emitted light of the LED lamp beads from leaking. Specifically, according to the method, the LED lamp beads are covered by the dark lattices of the die in a one-to-one correspondence manner, so that the emitted light of the LED lamp beads cannot leak out to interfere with the wavelength detection of adjacent lamp beads, and the accuracy of the wavelength detection is improved.
It should be noted that the wavelength detection device may be a probe, and the probes are correspondingly arranged in the dark cell one to quickly detect the wavelengths of all the LED lamp beads.
In an embodiment of this application, under the unqualified condition of above-mentioned LED lamp pearl, after control maintenance machine changed above-mentioned LED lamp pearl, above-mentioned method still includes: detecting the wavelength of emitted light of a replacement lamp bead within a preset time period to obtain wavelength data, wherein the replacement lamp bead is a replaced LED lamp bead; and determining whether the replacement lamp bead works stably according to the wavelength data. Specifically, the wavelength of the emitted light of the replacement lamp bead within a preset time period is detected to obtain wavelength data, the wavelength data is generated into a matrix, for example, the wavelength of the emitted light of the lamp bead within 3min is collected to obtain the wavelength data, the wavelength data is collected once every 10s, then the white light, the red light, the green light and the blue light respectively correspond to 18 data to generate a 4 x 18 matrix, statistical calculation is carried out according to the matrix to determine whether the replacement lamp bead works stably within the preset time period, and therefore whether the replacement lamp bead is qualified is determined, and if the replacement lamp bead is not qualified, the unqualified replacement lamp bead is replaced until the replacement lamp bead is qualified.
In an embodiment of this application, confirm whether above-mentioned replacement lamp pearl job stabilization according to wavelength data, include: calculating a process capability index and/or a reject ratio based on the wavelength data; and determining whether the replacement lamp beads work stably or not according to the process capability index and/or the reject ratio. Specifically, a process capability index CPK and/or a reject ratio PPM are calculated according to a matrix generated by the wavelength data, and when the process capability index CPK is greater than or equal to 1.67, the operation of the lamp bead is stable, and when the reject ratio PPM =0, the aging of the lamp bead is finished and the operation is stable, wherein the calculation formula of the process capability index CPK is CPK = Cp (1- | Ca |), wherein Ca reflects a position relationship, i.e., a concentration trend, cp reflects a dispersion relationship, i.e., a dispersion trend, ca = (X-U)/(T/2), cp = T/6 σ, wherein T is a tolerance, X is an average value, U is a central value, σ is a standard deviation, and 6 is a quality analysis constant.
The embodiment of the application also provides a maintenance device of the LED display screen, and it needs to be explained that the maintenance device of the LED display screen of the embodiment of the application can be used for executing the maintenance method for the LED display screen provided by the embodiment of the application. The following introduces the maintenance device of LED display screen that this application embodiment provided.
FIG. 3 is a schematic diagram of a maintenance device of an LED display screen according to an embodiment of the application. As shown in fig. 3, the apparatus includes:
the obtaining unit 10 is configured to obtain wavelengths of emitted light of each LED lamp bead of the LED display screen, so as to obtain a detection wavelength;
a determining unit 20, configured to determine whether the LED lamp bead is qualified according to the detection wavelength;
and the control unit 30 is used for controlling the maintenance machine to replace the LED lamp beads under the condition that the LED lamp beads are unqualified.
In the maintenance device of the LED display screen, the acquisition unit acquires the wavelength of the emitted light of each LED lamp bead of the LED display screen to obtain the detection wavelength; the determining unit determines whether the LED lamp bead is qualified or not according to the detection wavelength; and the control unit controls the maintenance machine to replace the LED lamp beads under the condition that the LED lamp beads are unqualified. This maintenance device confirms whether qualified through the wavelength of the transmission light of each LED lamp pearl of acquireing the LED display screen, and control maintenance machine changes unqualified LED lamp pearl, compares among the prior art manual detection LED lamp pearl bad with artifical maintenance, this maintenance method detection accuracy is high and maintenance efficiency is high, has solved among the prior art the problem that the bad degree of accuracy of manual detection LED lamp pearl is low and artifical maintenance efficiency is low.
In an embodiment of the application, the apparatus further includes a first detecting unit, where the first detecting unit includes a first obtaining module, a first determining module, and a control module, where the first obtaining module is configured to obtain an image of the LED display screen in a working state before obtaining a wavelength of emitted light of each LED lamp bead of the LED display screen and obtaining a detection wavelength; the first determining module is used for determining whether the LED display screen has abnormal brightness according to the image, and the control module is used for stopping maintenance under the condition that the LED display screen does not have abnormal brightness. Specifically, whether the brightness of the LED display screen is abnormal or not is determined by obtaining an image of the LED display screen in the working state, and the maintenance is stopped under the condition that the brightness of the LED display screen is not abnormal, so that the wavelengths of the emitted light of the LED lamp beads do not need to be checked one by one to determine whether the LED lamp beads are qualified or not, the maintenance workload is saved, and under the condition that the brightness of the LED display screen is abnormal, the wavelengths of the emitted light of the LED lamp beads of the LED display screen are detected to find out unqualified LED lamp beads so as to replace the unqualified LED lamp beads.
In an embodiment of the application, the emitted light of the LED lamp bead includes white light, red light, green light, and blue light, the detection wavelength includes white light wavelength, red light wavelength, green light wavelength, and blue light wavelength, and the determining unit includes a second determining module and a third determining module, where the second determining module is configured to determine that the LED lamp bead is qualified when the white light wavelength, the red light wavelength, the green light wavelength, and the blue light wavelength are within corresponding normal wavelength ranges; the third determining module is configured to determine that the LED lamp bead is unqualified when any one of the white light wavelength, the red light wavelength, the green light wavelength, and the blue light wavelength is not within a corresponding normal wavelength range. Specifically, different working modes of the LED display screen require that the colors of emitted light of the LED lamp beads are different, the emitted light of the LED lamp beads comprises white light, red light, green light and blue light, and the LED lamp beads are determined to be qualified under the condition that the wavelength of the white light, the wavelength of the red light, the wavelength of the green light and the wavelength of the blue light are all in corresponding normal wavelength ranges, so that the LED display screen can work normally under different working modes.
In an embodiment of the present application, the normal wavelength range of the white light is 450m to 465m, the normal wavelength range of the red light is 615m to 650m, the normal wavelength range of the green light is 565m to 575m, and the normal wavelength range of the blue light is 495m to 530m. Specifically, the wavelengths of the white light, the red light, the green light, and the blue light are in corresponding normal wavelength ranges, so that the white light picture, the red light picture, the green light picture, and the blue light picture of the LED display screen can be displayed normally.
In an embodiment of the application, the LED lamp beads of the LED display screen are divided into first LED lamp beads and second LED lamp beads, any two of the first LED lamp beads are not adjacent, any two of the second LED lamp beads are not adjacent, the obtaining unit includes a first control module and a second control module, wherein the first control module is used for controlling the first LED lamp beads of the LED display screen to work, the second LED lamp beads do not work, and the wavelength detection device is controlled to detect the wavelength of the first LED lamp beads; the second control module is used for controlling the second LED lamp beads of the LED display screen to work, the first LED lamp beads do not work, and the wavelength of the second LED lamp beads is detected by the wavelength detection device. Specifically, according to the method, the wavelength of the first LED lamp bead is detected firstly, and then the wavelength of the second LED lamp bead is detected, so that the mutual interference of the wavelength detection of the adjacent lamp beads is avoided, and the accuracy of the wavelength detection is improved, as shown in FIG. 2, the circle represents the first LED lamp bead, and the cross represents the second LED lamp bead.
In another embodiment of this application, the aforesaid obtains the unit and includes third control module, and wherein, above-mentioned third control module is used for under the circumstances that the mould covered on the lamp plate, and control wavelength detection device detects the wavelength of each LED lamp pearl respectively, and above-mentioned mould includes a plurality of dark check, and above-mentioned dark check and LED lamp pearl one-to-one, above-mentioned dark check are used for preventing that the transmission light of above-mentioned LED lamp pearl from spilling. Specifically, according to the method, the LED lamp beads are covered by the dark lattices of the die in a one-to-one correspondence manner, so that the emitted light of the LED lamp beads cannot leak out to interfere with the wavelength detection of adjacent lamp beads, and the accuracy of the wavelength detection is improved.
It should be noted that the wavelength detection device may be a probe, and the probes are correspondingly arranged in the dark cell one to quickly detect the wavelengths of all the LED lamp beads.
In an embodiment of the application, the apparatus further includes a second detection unit, where the second detection unit includes a second acquisition module and a fourth determination module, and the second acquisition module is configured to, when the LED lamp bead is unqualified, control the maintenance machine to replace the LED lamp bead, acquire a wavelength of emitted light of a replacement lamp bead within a predetermined time period, and obtain wavelength data, where the replacement lamp bead is a replaced LED lamp bead; the fourth determining module is used for determining whether the replacement lamp bead works stably according to the wavelength data. Specifically, the wavelength of the emitted light of the replacement lamp bead within a preset time period is detected to obtain wavelength data, the wavelength data is generated into a matrix, for example, the wavelength of the emitted light of the lamp bead within 3min is collected to obtain the wavelength data, the wavelength data is collected once every 10s, then the white light, the red light, the green light and the blue light respectively correspond to 18 data to generate a 4 x 18 matrix, statistical calculation is carried out according to the matrix to determine whether the replacement lamp bead works stably within the preset time period, and therefore whether the replacement lamp bead is qualified is determined, and if the replacement lamp bead is not qualified, the unqualified replacement lamp bead is replaced until the replacement lamp bead is qualified.
In an embodiment of the present application, the fourth determining module includes a calculating submodule and a determining submodule, wherein the calculating submodule is configured to calculate a process capability index and/or a reject ratio according to the wavelength data; the determining submodule is used for determining whether the replacement lamp beads work stably according to the process capability index and/or the reject ratio. Specifically, a process capability index CPK and/or a reject ratio PPM are/is calculated according to a matrix generated by wavelength data, if the process capability index CPK is greater than or equal to 1.67, the bead works stably, and if the reject ratio PPM =0, the bead aging is finished and the bead works stably, wherein the calculation formula of the process capability index CPK is CPK = Cp (1- | Ca |), wherein Ca reacts with a position relation, i.e., a concentration trend, cp reacts with a dispersion relation, i.e., a dispersion trend, ca = (X-U)/(T/2), cp = T/6 σ, wherein T is a tolerance, X is an average value, U is a central value, σ is a standard deviation, and 6 is a quality analysis constant.
The embodiment of the application also provides an overhauling system of the LED display screen, which comprises an overhauling device of the LED display screen and a maintenance machine, wherein the overhauling device of the LED display screen is used for executing any one of the overhauling methods.
The maintenance system of the LED display screen comprises a maintenance device and a maintenance machine of the LED display screen, wherein the acquisition unit acquires the wavelength of the emitted light of each LED lamp bead of the LED display screen to obtain the detection wavelength; the determining unit determines whether the LED lamp bead is qualified or not according to the detection wavelength; and the control unit controls the maintenance machine to replace the LED lamp beads under the condition that the LED lamp beads are unqualified. This maintenance device confirms whether qualified through the wavelength of the transmission light of each LED lamp pearl of acquireing the LED display screen, and control maintenance machine changes unqualified LED lamp pearl, compares among the prior art manual detection LED lamp pearl bad with artifical maintenance, this maintenance method detection accuracy is high and maintenance efficiency is high, has solved among the prior art the problem that the bad degree of accuracy of manual detection LED lamp pearl is low and artifical maintenance efficiency is low.
It should be noted that the maintenance system of the LED display screen further includes an aging platform, a vision subsystem and a control subsystem, the LED display screen to be maintained is placed on the aging platform, the vision subsystem is used for collecting images of the LED display screen in a working state to determine whether the LED display screen has abnormal brightness, that is, determine whether the LED lamp bead is aged, the control subsystem is used for controlling the maintenance machine to replace unqualified LED lamp beads, the vision subsystem is not limited to an image collection device, and can be a spectrum analyzer, a scanning electron microscope or a michelson interferometer.
It should also be noted that, the vision subsystem and the maintenance machine are integrated, aging and maintenance are carried out simultaneously, the service time of the switching equipment is greatly reduced, the efficiency is greatly improved, the maintenance machine uses the laser fusing technology to take out bad lamp beads and replace new lamp beads, the laser beam can be an ion beam or an electron beam during maintenance, and the distance between the LED lamp beads needs to be seen specifically.
The LED display screen overhauling device comprises a processor and a memory, wherein the acquisition unit, the determination unit, the control unit and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can set up one or more, solves among the prior art problem that the bad degree of accuracy of manual detection LED lamp pearl is low and artifical maintenance inefficiency through adjusting kernel parameter.
The memory may include volatile memory in a computer readable medium, random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM), including at least one memory chip.
An embodiment of the present invention provides a computer-readable storage medium, on which a program is stored, which, when executed by a processor, implements the above-described overhaul method.
The embodiment of the invention provides a processor, which is used for running a program, wherein the maintenance method is executed when the program runs.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein when the processor executes the program, at least the following steps are realized:
step S101, acquiring the wavelength of emitted light of each LED lamp bead of the LED display screen to obtain a detection wavelength;
step S102, determining whether the LED lamp beads are qualified or not according to the detection wavelength;
and S103, controlling a maintenance machine to replace the LED lamp beads under the condition that the LED lamp beads are unqualified.
The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program initialized with at least the following method steps when executed on a data processing device:
step S101, acquiring the wavelength of emitted light of each LED lamp bead of the LED display screen to obtain a detection wavelength;
step S102, determining whether the LED lamp beads are qualified or not according to the detection wavelength;
and S103, controlling a maintenance machine to replace the LED lamp beads under the condition that the LED lamp beads are unqualified.
In the above embodiments of the present invention, the description of each embodiment has its own emphasis, and reference may be made to the related description of other embodiments for parts that are not described in detail in a certain embodiment.
In the embodiments provided in the present application, it should be understood that the disclosed technical content can be implemented in other manners. The above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed coupling or direct coupling or communication connection between each other may be an indirect coupling or communication connection through some interfaces, units or modules, and may be electrical or in other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit may be stored in a computer-readable storage medium if it is implemented in the form of a software functional unit and sold or used as a separate product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a computer-readable storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned computer-readable storage medium comprises: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
From the above description, it can be seen that the above-mentioned embodiments of the present application achieve the following technical effects:
1) According to the LED display screen maintenance method, firstly, the wavelength of the emitted light of each LED lamp bead of the LED display screen is obtained, and the detection wavelength is obtained; then, determining whether the LED lamp beads are qualified or not according to the detection wavelength; and finally, controlling a maintenance machine to replace the LED lamp beads under the condition that the LED lamp beads are unqualified. According to the maintenance method, whether each LED lamp bead is qualified or not is determined by obtaining the wavelength of the emitted light of each LED lamp bead of the LED display screen, and the maintenance machine is controlled to replace unqualified LED lamp beads.
2) In the maintenance device of the LED display screen, the acquisition unit acquires the wavelength of the emitted light of each LED lamp bead of the LED display screen to obtain the detection wavelength; the determining unit determines whether the LED lamp bead is qualified or not according to the detection wavelength; and the control unit controls the maintenance machine to replace the LED lamp beads under the condition that the LED lamp beads are unqualified. This maintenance device confirms whether qualified through the wavelength of the transmission light of each LED lamp pearl of acquireing the LED display screen, and control maintenance machine changes unqualified LED lamp pearl, compares among the prior art manual detection LED lamp pearl bad with artifical maintenance, this maintenance method detection accuracy is high and maintenance efficiency is high, has solved among the prior art the problem that the bad degree of accuracy of manual detection LED lamp pearl is low and artifical maintenance efficiency is low.
3) The LED display screen maintenance system comprises an LED display screen maintenance device and a maintenance machine, wherein an acquisition unit acquires the wavelength of emitted light of each LED lamp bead of the LED display screen to obtain a detection wavelength; the determining unit determines whether the LED lamp bead is qualified or not according to the detection wavelength; and the control unit controls the maintenance machine to replace the LED lamp beads under the condition that the LED lamp beads are unqualified. This maintenance device is through the wavelength of the transmission light of each LED lamp pearl of acquireing the LED display screen, confirms whether qualified each LED lamp pearl to control the maintenance machine and change unqualified LED lamp pearl, compare among the prior art manual detection LED lamp pearl bad and artifical maintenance, this maintenance method detection accuracy is high and maintenance efficiency is high, has solved among the prior art the problem that the bad degree of accuracy of manual detection LED lamp pearl is low and artifical maintenance efficiency is low.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (6)
1. A maintenance method of an LED display screen is characterized by comprising the following steps:
acquiring the wavelength of emitted light of each LED lamp bead of the LED display screen to obtain a detection wavelength;
determining whether the LED lamp beads are qualified or not according to the detection wavelength;
controlling a maintenance machine to replace the LED lamp beads under the condition that the LED lamp beads are unqualified; before the wavelength of the emitted light of each LED lamp bead of the LED display screen is obtained and the detection wavelength is obtained, the method further includes: acquiring an image of the LED display screen in a working state; determining whether the LED display screen has abnormal brightness according to the image; stopping the overhaul under the condition that the LED display screen has no abnormal brightness; the method comprises the following steps that the emitted light of the LED lamp bead comprises white light, red light, green light and blue light, the detection wavelength comprises white light wavelength, red light wavelength, green light wavelength and blue light wavelength, and whether the LED lamp bead is qualified or not is determined according to the detection wavelength, and the method comprises the following steps: determining that the LED lamp bead is qualified under the condition that the white light wavelength, the red light wavelength, the green light wavelength and the blue light wavelength are in corresponding normal wavelength ranges; determining that the LED lamp bead is unqualified under the condition that any one of the white light wavelength, the red light wavelength, the green light wavelength and the blue light wavelength is not in a corresponding normal wavelength range; and under the condition that the LED lamp beads are unqualified, after the LED lamp beads are replaced by controlling a maintenance machine, the method further comprises the following steps: acquiring the wavelength of emitted light of a replacement lamp bead within a preset time period to obtain wavelength data, wherein the replacement lamp bead is a replaced LED lamp bead; determining whether the replacement lamp bead works stably according to the wavelength data; determining whether the replacement lamp bead works stably according to the wavelength data, comprising: calculating a process capability index and/or a reject ratio from the wavelength data; determining whether the replacement lamp beads work stably or not according to the process capacity index and/or the reject ratio; dividing the LED lamp beads of the LED display screen into first LED lamp beads and second LED lamp beads, wherein any two first LED lamp beads are not adjacent, any two second LED lamp beads are not adjacent, acquiring the wavelength of the emitted light of each LED lamp bead of the LED display screen, and obtaining the detection wavelength, wherein the detection wavelength comprises the following steps:
controlling the first LED lamp bead of the LED display screen to work, controlling the second LED lamp bead not to work, and detecting the wavelength of the first LED lamp bead; and controlling the second LED lamp bead of the LED display screen to work, and detecting the wavelength of the second LED lamp bead when the first LED lamp bead does not work.
2. The overhaul method according to claim 1, wherein the normal wavelength range of the white light is 450m to 465m, the normal wavelength range of the red light is 615m to 650m, the normal wavelength range of the green light is 565m to 575m, and the normal wavelength range of the blue light is 495m to 530m.
3. The utility model provides an overhaul device of LED display screen which characterized in that includes:
the acquisition unit is used for acquiring the wavelength of the emitted light of each LED lamp bead of the LED display screen to obtain the detection wavelength;
the determining unit is used for determining whether the LED lamp bead is qualified or not according to the detection wavelength;
the control unit is used for controlling a maintenance machine to replace the LED lamp beads under the condition that the LED lamp beads are unqualified; the device also comprises a first detection unit, wherein the first detection unit comprises a first acquisition module, a first determination module and a control module, wherein the first acquisition module is used for acquiring an image of the LED display screen in a working state before acquiring the wavelength of the emitted light of each LED lamp bead of the LED display screen and acquiring the detection wavelength; the first determining module is used for determining whether the LED display screen has abnormal brightness according to the image, and the control module is used for stopping maintenance under the condition that the LED display screen does not have abnormal brightness; the LED lamp bead comprises a detection unit, a determination unit and a control unit, wherein the detection unit comprises a first determination module and a second determination module, the detection unit is used for detecting the wavelength of the LED lamp bead, and the determination unit is used for determining that the LED lamp bead is qualified when the wavelength of the LED lamp bead is within a corresponding normal wavelength range; the third determining module is used for determining that the LED lamp bead is unqualified under the condition that any one of the white light wavelength, the red light wavelength, the green light wavelength and the blue light wavelength is not in the corresponding normal wavelength range; the device also comprises a second detection unit, wherein the second detection unit comprises a second acquisition module and a fourth determination module, the second acquisition module is used for controlling the maintenance machine to acquire the wavelength of emitted light of a replacement lamp bead within a preset time period after the LED lamp bead is replaced under the condition that the LED lamp bead is unqualified, so as to obtain wavelength data, and the replacement lamp bead is the replaced LED lamp bead; the fourth determining module is used for determining whether the replacement lamp bead works stably according to the wavelength data; the fourth determining module comprises a calculating submodule and a determining submodule, wherein the calculating submodule is used for calculating the process capability index and/or the reject ratio according to the wavelength data; the determining submodule is used for determining whether the replacement lamp beads work stably according to the process capability index and/or the reject ratio; the LED lamp beads of the LED display screen are divided into first LED lamp beads and second LED lamp beads, any two first LED lamp beads are not adjacent, any two second LED lamp beads are not adjacent, the acquisition unit comprises a first control module and a second control module, the first control module is used for controlling the first LED lamp beads of the LED display screen to work, the second LED lamp beads do not work, and the wavelength of the first LED lamp beads is detected; the second control module is used for controlling the second LED lamp beads of the LED display screen to work, the first LED lamp beads do not work, and the wavelength of the second LED lamp beads is detected.
4. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a stored program, wherein the program performs the service method of any one of claims 1 to 2.
5. A processor, characterized in that the processor is configured to run a program, wherein the program when running performs the service method of any one of claims 1 to 2.
6. An overhaul system of an LED display screen, comprising an overhaul device of the LED display screen and a maintenance machine, characterized in that the overhaul device of the LED display screen is used for executing the overhaul method of any one of claims 1 to 2.
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