CN113362729A - 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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- CN113362729A CN113362729A CN202110713729.3A CN202110713729A CN113362729A CN 113362729 A CN113362729 A CN 113362729A CN 202110713729 A CN202110713729 A CN 202110713729A CN 113362729 A CN113362729 A CN 113362729A
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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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- 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 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 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.
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 stopping the overhaul under the condition that the LED display screen does not have abnormal brightness.
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 530 m.
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 from the wavelength data; and determining whether the replacement lamp bead works stably or not according to the process capacity 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 diagram 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 the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
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, which can be derived by a person skilled in the art from the embodiments given herein 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 an 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 a working state, and the maintenance is stopped under the condition that the brightness of the LED display screen is not abnormal, so that the wavelength of the emitted light of the LED lamp beads is not required to be checked one by one to determine whether the LED lamp beads are qualified or not, the workload of maintenance is saved, and under the condition that the brightness of the LED display screen is abnormal, the wavelength of the emitted light of each LED lamp bead of the LED display screen is detected to find out unqualified LED lamp beads, so that unqualified LED lamp beads are replaced.
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 530 m. 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 emitted 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 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 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, 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 mould covers on the lamp plate, the wavelength detection device is controlled to detect the wavelength of each LED lamp bead respectively, the mould 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 mold in a one-to-one correspondence manner, so that emitted light of the LED lamp beads cannot leak to interfere with 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 the application, determine whether above-mentioned replacement lamp pearl job stabilization according to wavelength data, include: calculating a process capability index and/or a reject ratio from the wavelength data; and determining whether the replacement lamp beads work stably or not according to the process capacity 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 if the process capability index CPK is greater than or equal to 1.67, the operation of the lamp bead is stable, and if the reject ratio PPM is 0, the lamp bead aging is finished and the operation is stable, where the calculation formula of the process capability index CPK is CPK Cp (1- | Ca |), where Ca is a position relationship, i.e., a concentration trend, Cp is a dispersion relationship, i.e., a dispersion trend, Ca is (X-U)/(T/2), and Cp is T/6 σ, where 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 maintenance device of the LED display screen provided by the embodiment of the application is introduced below.
FIG. 3 is a schematic diagram of an overhaul 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 device further includes a first detection unit, where the first detection 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 a working state, and the maintenance is stopped under the condition that the brightness of the LED display screen is not abnormal, so that the wavelength of the emitted light of the LED lamp beads is not required to be checked one by one to determine whether the LED lamp beads are qualified or not, the workload of maintenance is saved, and under the condition that the brightness of the LED display screen is abnormal, the wavelength of the emitted light of each LED lamp bead of the LED display screen is detected to find out unqualified LED lamp beads, so that unqualified LED lamp beads are replaced.
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 a white light wavelength, a red light wavelength, a green light wavelength, and a blue light wavelength, and the determination unit includes a second determination module and a third determination module, where the second determination 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 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 530 m. 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 above-mentioned unit of obtaining includes third control module, and wherein, above-mentioned third control module is used for under the condition of mould lid 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, above-mentioned dark check and LED lamp pearl one-to-one, and above-mentioned dark check is 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 mold in a one-to-one correspondence manner, so that emitted light of the LED lamp beads cannot leak to interfere with 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 obtaining module and a fourth determining module, and the second obtaining module is configured to, under the condition that the LED lamp bead is not qualified, control the maintenance machine to replace the LED lamp bead, obtain 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 calculated according to a matrix generated by the wavelength data, and if the process capability index CPK is greater than or equal to 1.67, the operation of the lamp bead is stable, and if the reject ratio PPM is 0, the lamp bead aging is finished and the operation is stable, where the calculation formula of the process capability index CPK is CPK Cp (1- | Ca |), where Ca is a position relationship, i.e., a concentration trend, Cp is a dispersion relationship, i.e., a dispersion trend, Ca is (X-U)/(T/2), and Cp is T/6 σ, where 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 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 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 be further 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 shortened, the efficiency is greatly improved, the maintenance machine uses a laser fusing technology to take out bad lamp beads and replace new lamp beads, a laser beam can be an ion beam and 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 nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes 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 of initializing 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 descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. 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 mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
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 media comprise: 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-described 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 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.
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, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
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;
and under the condition that the LED lamp beads are unqualified, the maintenance machine is controlled to replace the LED lamp beads.
2. The overhaul method of claim 1, wherein 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 comprises the following steps:
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 stopping the overhaul under the condition that the LED display screen does not have abnormal brightness.
3. The overhaul method of claim 1, wherein the emitted light of the LED lamp beads comprises white light, red light, green light and blue light, the detection wavelengths comprise white light wavelengths, red light wavelengths, green light wavelengths and blue light wavelengths, and determining whether the LED lamp beads are qualified according to the detection wavelengths comprises:
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.
4. The overhaul method according to claim 3, 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 530 m.
5. The service method of claim 1, wherein in a case that the LED lamp bead is not qualified, after controlling a maintenance machine to replace the LED lamp bead, the method further comprises:
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.
6. The service method of claim 5, wherein determining whether the replacement lamp bead is stable in operation based on the wavelength data comprises:
calculating a process capability index and/or a reject ratio from the wavelength data;
and determining whether the replacement lamp bead works stably or not according to the process capacity index and/or the reject ratio.
7. The utility model provides a LED display screen's maintenance device 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;
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.
8. 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 6.
9. 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 6.
10. 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 6.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184695A (en) * | 2011-04-22 | 2011-09-14 | 深圳市中庆微科技开发有限公司 | Control system for detecting LED (Light Emitting Diode) display screen on line |
| CN103106859A (en) * | 2013-02-28 | 2013-05-15 | 北京星河康帝思科技开发股份有限公司 | Display screen detecting method and device |
| CN207281262U (en) * | 2017-09-14 | 2018-04-27 | 浙江宇视科技有限公司 | A kind of bad lamp maintenance unit of LED module based on machine vision |
| CN108731822A (en) * | 2017-04-16 | 2018-11-02 | 广西南宁超网网络科技有限责任公司 | A kind of cubing for LED wavelength measurements |
| CN208270712U (en) * | 2018-06-04 | 2018-12-21 | 深圳市派捷电子科技有限公司 | A kind of LED tester based on TCS3414 inductor |
| CN109167928A (en) * | 2018-09-06 | 2019-01-08 | 武汉精测电子集团股份有限公司 | Fast automatic exposure method and system based on defects of display panel detection |
| CN109724779A (en) * | 2017-10-31 | 2019-05-07 | 深圳市炫硕智造技术有限公司 | COB-LED lamp inspection examining system and detection method |
| CN109819246A (en) * | 2019-02-18 | 2019-05-28 | 珠海格力电器股份有限公司 | Detection device and detection method, the device of LED display terminal |
| CN110444487A (en) * | 2019-06-28 | 2019-11-12 | 广东晶科电子股份有限公司 | A kind of repair method of Mini LED module |
| CN111097984A (en) * | 2019-12-27 | 2020-05-05 | 深圳蓝普科技有限公司 | LED module maintenance device |
| CN211085476U (en) * | 2019-12-19 | 2020-07-24 | 广州赛西标准检测研究院有限公司 | Testing arrangement suitable for L ED display screen |
-
2021
- 2021-06-25 CN CN202110713729.3A patent/CN113362729B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184695A (en) * | 2011-04-22 | 2011-09-14 | 深圳市中庆微科技开发有限公司 | Control system for detecting LED (Light Emitting Diode) display screen on line |
| CN103106859A (en) * | 2013-02-28 | 2013-05-15 | 北京星河康帝思科技开发股份有限公司 | Display screen detecting method and device |
| CN108731822A (en) * | 2017-04-16 | 2018-11-02 | 广西南宁超网网络科技有限责任公司 | A kind of cubing for LED wavelength measurements |
| CN207281262U (en) * | 2017-09-14 | 2018-04-27 | 浙江宇视科技有限公司 | A kind of bad lamp maintenance unit of LED module based on machine vision |
| CN109724779A (en) * | 2017-10-31 | 2019-05-07 | 深圳市炫硕智造技术有限公司 | COB-LED lamp inspection examining system and detection method |
| CN208270712U (en) * | 2018-06-04 | 2018-12-21 | 深圳市派捷电子科技有限公司 | A kind of LED tester based on TCS3414 inductor |
| CN109167928A (en) * | 2018-09-06 | 2019-01-08 | 武汉精测电子集团股份有限公司 | Fast automatic exposure method and system based on defects of display panel detection |
| CN109819246A (en) * | 2019-02-18 | 2019-05-28 | 珠海格力电器股份有限公司 | Detection device and detection method, the device of LED display terminal |
| CN110444487A (en) * | 2019-06-28 | 2019-11-12 | 广东晶科电子股份有限公司 | A kind of repair method of Mini LED module |
| CN211085476U (en) * | 2019-12-19 | 2020-07-24 | 广州赛西标准检测研究院有限公司 | Testing arrangement suitable for L ED display screen |
| CN111097984A (en) * | 2019-12-27 | 2020-05-05 | 深圳蓝普科技有限公司 | LED module maintenance device |
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|---|---|
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