CN109819246A - Detection device, detection method and detection device of LED display terminal - Google Patents
Detection device, detection method and detection device of LED display terminal Download PDFInfo
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Abstract
The invention provides a detection device of an LED display terminal, a detection method and a detection device of the LED display terminal, wherein the detection device of the LED display terminal comprises a brightness acquisition module and a main control module, wherein the brightness acquisition module comprises a sensor matrix consisting of photosensitive sensors and is used for acquiring real-time brightness information of each LED in the LED display terminal and transmitting the acquired real-time brightness information of each LED to the main control module; and the main control module is used for comparing the collected real-time brightness information of each LED according to the corresponding standard brightness information of each LED in the LED display terminal under the normal working state, and detecting the LED with abnormal display in the LED display terminal according to the comparison result. The invention can efficiently and accurately realize the abnormity detection of the LED display terminal, has low realization cost and wide practicability.
Description
Technical field
The present invention relates to the detection devices and detection side of technical field of LED display more particularly to a kind of LED display terminal
Method, device.
Background technique
LED display terminal, such as LED display, LED lamp panel need in real time in use or timing detection are shown
The exception of terminal, to guarantee the normal work of LED display terminal.Traditional LED display terminal detection is most of to use image
Identification, manual identified or both combine these three modes.
In realizing process of the present invention, inventor has found that traditional LED display terminal detection mode at least has following skill
Art problem:
When realizing that LED display terminal detects using image-recognizing method, need using Image Acquisition terminals such as cameras, it is real
It is existing at high cost；
When realizing that LED display terminal detects using manual identified method, time-consuming there are artificial detection, low efficiency, accurate
It is poor to spend, and in a fairly large number of situation of LED, the shortcomings such as bad control of brightness detection, for example, when LED quantity is more,
For the problem of LED luminance nonuniformity, then can not accurately be detected in display terminal.
Summary of the invention
The embodiment of the present invention proposes the detection device and detection method, device of a kind of LED display terminal, solves tradition
LED display terminal detection mode existing for cost of implementation is high, time-consuming, low efficiency, poor accuracy and brightness detection are bad
The problems such as control.
The one aspect of the embodiment of the present invention provides a kind of detection device of LED display terminal, including brightness acquires mould
Block and main control module, in which:
The brightness acquisition module, including the sensor matrices being made of photosensitive sensor, for acquiring LED display terminal
The real-time luminosity information of interior each LED, and the real-time luminosity information of collected each LED is transferred to the main control module；
The main control module, for according to the corresponding mark in normal operation of each LED in the LED display terminal
The real-time luminosity information of collected each LED is compared in quasi- luminance information, and described in being detected according to comparison result
The abnormal LED of existing display in LED display terminal.
Optionally, the equipment further includes alarm module；
The main control module is also used to the Xiang Suoshu when detecting to have the LED of display exception in the LED display terminal
Alarm module sends alarm enabled instruction；
The alarm module, for carrying out abnormal show alarm according to the alarm enabled instruction received.
Optionally, the equipment further include:
First communication module, for the testing result of the main control module to be shared to the terminal device currently connected.
Optionally, the equipment further include:
Second communication module, for establishing the communication connection with remote server or local computer, to receive in terms of locally
The control instruction of calculation machine, and data are uploaded to the remote server.
Optionally, the equipment further include:
Touch display module, for being shown eventually according to the real-time luminosity information of collected each LED to the LED
The current working status at end is shown, and shows the LED display terminal in the touch-control according to the touch command received
Instruct the history working condition of specified time.
Optionally, the equipment further includes storage inside module and outer memory module；
The storage inside module, the real-time luminosity for storing the collected each LED of the brightness acquisition module are believed
Each LED corresponding normal brightness information in normal operation in breath and the LED display terminal；
The outer memory module, the touch command for being received according to the touch display module are downloaded data
Storage.
The other side of the embodiment of the present invention provides a kind of detection method of LED display terminal, the method packet
It includes:
Obtain the real-time luminosity information of each LED in LED display terminal；
According to each LED in the LED display terminal in normal operation corresponding normal brightness information to acquisition
The real-time luminosity information of each LED be compared；
The LED that existing display is abnormal in the LED display terminal is detected according to comparison result.
It is optionally, described that the LED that existing display is abnormal in the LED display terminal is detected according to comparison result, comprising:
When normal brightness information and the difference of corresponding real-time luminosity information of any LED in the LED display terminal
When greater than preset error threshold, then the LED LED abnormal for display is determined.
Optionally, detected described according to comparison result existing display is abnormal in the LED display terminal LED it
Afterwards, the method also includes:
When detecting to have the LED of display exception in the LED display terminal, alarm enabled instruction is sent, to carry out
Abnormal show alarm.
The third aspect of the embodiment of the present invention provides a kind of detection device of LED display terminal, comprising:
Data capture unit, for obtaining the real-time luminosity information of each LED in LED display terminal；
Processing unit, for corresponding standard to be bright in normal operation according to each LED in the LED display terminal
The real-time luminosity information of each LED of acquisition is compared in degree information；
Detection unit, for detecting the LED that existing display is abnormal in the LED display terminal according to comparison result.
The detection device and detection method, device of LED display terminal provided in an embodiment of the present invention, by by light sensor
The sensor matrices of device composition acquire the real-time luminosity information of each LED in LED display terminal, and by main control module according to
In LED display terminal each LED in normal operation corresponding normal brightness information to collected each LED's
Real-time luminosity information is compared, can be efficiently and accurately real to detect the LED that existing display is abnormal in LED display terminal
Now to the abnormality detection of LED display terminal, and cost of implementation is low, has wide applicability.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of the detection device of LED display terminal of the embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of the detection device of LED display terminal of another embodiment of the present invention；
Fig. 3 is a kind of flow diagram of the detection method of LED display terminal of the embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of the detection device of LED display terminal of the embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term), there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, it should be understood that have in the context of the prior art
The consistent meaning of meaning, and unless otherwise will not be explained in an idealized or overly formal meaning by specific definitions.
Fig. 1 is a kind of structural schematic diagram of the detection device of LED display terminal of the embodiment of the present invention.As shown in Figure 1, this
Inventive embodiments provide the detection device of LED display terminal, including brightness acquisition module 10 and main control module 20, in which:
Brightness acquisition module 10, including the sensor matrices being made of photosensitive sensor, for acquiring in LED display terminal
The real-time luminosity information of each LED, and the real-time luminosity information of collected each LED is transferred to main control module 20；
Main control module 20, for according to the corresponding standard in normal operation of each LED in the LED display terminal
The real-time luminosity information of collected each LED is compared in luminance information, and detects the LED according to comparison result
The abnormal LED of existing display in display terminal.Specifically, specifically, working as the mark of any LED in the LED display terminal
When quasi- luminance information is greater than preset error threshold with the difference of corresponding real-time luminosity information, then it is different to show to determine the LED
Normal LED.
In the present embodiment, main control module 20 will be corresponding under normal operating conditions to collected real-time luminosity information
Normal brightness information is compared, if the difference compared has been more than preset error threshold, that is, thinks this point light source exception.
Photosensitive sensor is one of most common sensor, its working principle is: being turned optical signal using light-sensitive element
It is changed to the sensor of electric signal, its sensitive wave length is near visible wavelength, including IR wavelength and ultraviolet wavelength.Light
Sensor is not limited solely to the detection to light, it be also used as detecting element composition other sensors, to many non electrical quantities into
Row detection, as long as these non electrical quantities to be converted to the variation of optical signal.
In a specific example, brightness acquisition module 10 can be the photosensitive sensor using 4356 (3MM*3MM)
The 20cm*20cm sensor matrices of composition, each LED in the photosensitive sensor acquisition LED display terminal in sensor matrices
Real-time luminosity information, main control module 20 obtain respectively each sensor brightness acquisition information, then with correct normal brightness
Information is compared, and detects the LED that existing display is abnormal in the LED display terminal according to comparison result.
Intelligible, the size of the size and each photosensitive sensor that form the sensor matrices of brightness acquisition module is equal
It can be chosen according to practical application scene, to this, the present invention is not specifically limited.
The present invention realizes the detection device of the LED display terminal such as compatible with LED, lamp plate using photosensitive sensor, by by
The sensor matrices of photosensitive sensor composition acquire the real-time luminosity information of each LED in LED display terminal, and pass through master control
Module according to each LED in LED display terminal in normal operation corresponding normal brightness information to described collected
The real-time luminosity information of each LED is compared, to detect the LED, Neng Gougao that existing display is abnormal in LED display terminal
It imitates, be accurately realized abnormality detection to LED display terminal, and cost of implementation is low, there is wide applicability.
In an alternative embodiment of the invention, referring to fig. 2, the detection device of the LED display terminal further includes alarm module
30；
Main control module 20 is also used to when detecting to exist in the LED display terminal LED of display exception to alarm mould
Block 30 sends alarm enabled instruction；
Alarm module 30, for carrying out abnormal show alarm according to the alarm enabled instruction received.
In the present embodiment, alarm module 30 can be realized using buzzer or loudspeaker, for realizing LED display terminal
Abnormal show alarm.
In the present embodiment, the detection device of the LED display terminal further includes first communication module 40, the first communication mould
Block 40, for the testing result of the main control module 20 to be shared to the terminal device currently connected.Wherein, first communication
Module 40 includes at least one of bluetooth module, WIFI module, LoRa module, NB module.
In the present embodiment, bluetooth module is can be used for realizing data sharing in first communication module 40, WIFI module,
LoRa module, NB module etc. can will be in the portable equipments such as data sharing to PDA.
In the present embodiment, the detection device of the LED display terminal further includes second communication module 50, the second communication mould
Block 50, for establishing the communication connection with remote server or local computer, to receive the control instruction of local computer, and
Data are uploaded to the remote server.
In the present embodiment, second communication module 50 includes the serial communication unit connecting with main control module 20 and WIFI mono-
Member.Wherein, after WIFI unit is connect with router, the communication connection with remote server is established, can be automatically uploaded to data
In remote server.Specifically, server is for storing data, it can be achieved that in the enterprising line number of the terminals such as mobile phone APP it is investigated that seeing.String
Mouth communication unit, such as 485 communication interfaces can connect local computer, can be direct by local computer after connecting local computer
The detection device is manipulated.
In the present embodiment, the detection device of the LED display terminal further includes touch display module 60, touches display mould
Block 60, for the current working status according to the real-time luminosity information of collected each LED to the LED display terminal
It is shown, and LED display terminal the going through in the touch command specified time is shown according to the touch command received
History working condition.
In a specific embodiment, 800*600 display screen RGB565+ capacitance touch mode can be used and realize touch display
Module, and human-computer interaction is carried out by FREERtos+STemwin mode.In the present embodiment, touch display module can carry out man-machine
Interactive operation, the current working status and history working condition of lattice display LED display terminal.
Further, the detection device of the LED display terminal further includes attached memory module not shown in the figure, described
Memory module includes storage inside module and outer memory module, in which: the storage inside module, for storing the brightness
Each LED is working normally shape in the real-time luminosity information of the collected each LED of acquisition module and the LED display terminal
Corresponding normal brightness information under state；The outer memory module, the touch-control for being received according to the touch display module
Instruction is downloaded data storage.
SPI is respectively adopted in the detection device of LED display terminal provided in an embodiment of the present invention, and SDIO, USB technology will be bright
The real-time luminosity information of the degree collected each LED of acquisition module deposits memory module.Wherein, storage inside module includes inside
FLASH, outer memory module include external SD card, external USB etc..There are the data of internal FLASH to have covering function, if
Storing data is full, can automatically delete earliest data, have abnormal data not to be automatically deleted.SD card and outside
USB can carry out arbitrary data downloading on the touchscreen (user can voluntarily download whenever necessary).
In the present embodiment, the detection device of the LED display terminal further includes attached power module not shown in the figure, should
Power module is realized using DC-DC module, and the DC input voitage of 12~38V is reduced to 5V output.Then pass through low pressure
5V power supply is converted to 3.3V by difference linear constant voltage regulator LDO.
The detection device of LED display terminal provided in an embodiment of the present invention, passes through the sensor being made of photosensitive sensor
Matrix acquires the real-time luminosity information of each LED in LED display terminal, and the standard according to each LED in LED display terminal is bright
Degree information is compared to real-time luminosity information is collected, efficiently and accurately to detect the abnormal LED of display.
The detection device of LED display terminal provided in an embodiment of the present invention is influenced and wave with stabilization, not by outside bad border
Dynamic advantage, so detection accuracy is high, strong antijamming capability.
Fig. 3 is a kind of flow diagram of the detection method of LED display terminal of the embodiment of the present invention.Referring to Fig. 3, this hair
The detection method of the LED display terminal that bright embodiment proposes specifically includes the following steps:
S21, the real-time luminosity information for obtaining each LED in LED display terminal；
S22, according to the corresponding normal brightness information pair in normal operation of each LED in the LED display terminal
The real-time luminosity information of each LED obtained is compared；
S23, the LED that existing display is abnormal in the LED display terminal is detected according to comparison result.
Specifically, the normal brightness information of any LED in the LED display terminal and corresponding real-time luminosity information
Difference when being greater than preset error threshold, then determine the LED LED abnormal for display.
In the present embodiment, main control module will be to collected real-time luminosity information and mark corresponding under normal operating conditions
Quasi- luminance information is compared, if the difference compared has been more than preset error threshold, that is, thinks this point light source exception.
In embodiments of the present invention, existing display exception in the LED display terminal is being detected according to comparison result
After LED, when detecting to have the LED of display exception in the LED display terminal, alarm enabled instruction is sent, to carry out
Abnormal show alarm.
The detection method of LED display terminal provided in an embodiment of the present invention, by obtaining each LED in LED display terminal
Real-time luminosity information, and according to the corresponding normal brightness information pair in normal operation of each LED in LED display terminal
The real-time luminosity information of collected each LED is compared, to detect existing display exception in LED display terminal
LED can efficiently and accurately realize the abnormality detection to LED display terminal, and cost of implementation is low, have wide applicability.
For embodiment of the method, for simple description, therefore, it is stated as a series of action combinations, but this field
Technical staff should be aware of, and embodiment of that present invention are not limited by the describe sequence of actions, because implementing according to the present invention
Example, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know that, specification
Described in embodiment belong to preferred embodiment, the actions involved are not necessarily necessary for embodiments of the present invention.
Fig. 4 is a kind of structural schematic diagram of the detection device of LED display terminal of the embodiment of the present invention.Referring to Fig. 4, this hair
It is single that the detection device of the LED display terminal of bright embodiment specifically includes data capture unit 201, processing unit 202 and detection
Member 203, in which:
Data capture unit 201, for obtaining the real-time luminosity information of each LED in LED display terminal；
Processing unit 202, for according to the corresponding mark in normal operation of each LED in the LED display terminal
The real-time luminosity information of each LED of acquisition is compared in quasi- luminance information；
Detection unit 203, for detecting the LED that existing display is abnormal in the LED display terminal according to comparison result.
In embodiments of the present invention, the detection unit 203, specifically for as any LED in the LED display terminal
Normal brightness information and the difference of corresponding real-time luminosity information when being greater than preset error threshold, determine the LED for display
Abnormal LED.
In embodiments of the present invention, the detection unit 203 is also used to detect the LED according to comparison result described
In display terminal after the abnormal LED of existing display, as the LED for detecting to have display exception in the LED display terminal
When, alarm enabled instruction is sent, to carry out abnormal show alarm.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
The detection device and detection method, device of LED display terminal provided in an embodiment of the present invention, by by light sensor
The sensor matrices of device composition acquire the real-time luminosity information of each LED in LED display terminal, and by main control module according to
In LED display terminal each LED in normal operation corresponding normal brightness information to collected each LED's
Real-time luminosity information is compared, can be efficiently and accurately real to detect the LED that existing display is abnormal in LED display terminal
Now to the abnormality detection of LED display terminal, and cost of implementation is low, has wide applicability.
In addition, it is stored thereon with computer program the embodiment of the invention also provides a kind of computer readable storage medium,
The step of program realizes method as described above when being executed by processor.
In the present embodiment, if module/unit that the detection device of the LED display terminal integrates is with SFU software functional unit
Form realize and when sold or used as an independent product, can store in a computer readable storage medium.
Based on this understanding, the present invention realizes all or part of the process in above-described embodiment method, can also pass through computer journey
Sequence is completed to instruct relevant hardware, and the computer program can be stored in a computer readable storage medium, the meter
Calculation machine program is when being executed by processor, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the computer program packet
Include computer program code, the computer program code can for source code form, object identification code form, executable file or
Certain intermediate forms etc..The computer-readable medium may include: any reality that can carry the computer program code
Body or device, recording medium, USB flash disk, mobile hard disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and
Software distribution medium etc..It should be noted that the content that the computer-readable medium includes can be according in jurisdiction
Legislation and the requirement of patent practice carry out increase and decrease appropriate, such as in certain jurisdictions, according to legislation and patent practice, meter
Calculation machine readable medium does not include electric carrier signal and telecommunication signal.
Control equipment provided in an embodiment of the present invention, including memory, processor and storage on a memory and can located
The computer program run on reason device, the processor realize above-mentioned each access control method when executing the computer program
Step in embodiment, such as step shown in Fig. 3.Alternatively, being realized when the processor execution computer program above-mentioned
The function of each module/unit in the detection device embodiment of each LED display terminal, such as data capture unit shown in Fig. 4
201, processing unit 202 and detection unit 203.
Illustratively, the computer program can be divided into one or more module/units, one or more
A module/unit is stored in the memory, and is executed by the processor, to complete the present invention.It is one or more
A module/unit can be the series of computation machine program instruction section that can complete specific function, and the instruction segment is for describing institute
State implementation procedure of the computer program in the detection device of the LED display terminal.For example, the computer program can be by
It is divided into data capture unit 201, processing unit 202 and detection unit 203.
The control equipment can be desktop PC, notebook, palm PC and cloud server etc. and calculate equipment.
The control equipment may include, but be not limited only to, processor, memory.It will be understood by those skilled in the art that in the present embodiment
Control equipment may include more or fewer components, perhaps combine certain components or different components, such as the control
Control equipment can also include input-output equipment, network access equipment, bus etc..
The processor can be central processing unit (Central Processing Unit, CPU), can also be it
His general processor, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
It is the control centre of the control equipment Deng, the processor, entirely controls each of equipment using various interfaces and connection
A part.
The memory can be used for storing the computer program and/or module, and the processor is by operation or executes
Computer program in the memory and/or module are stored, and calls the data being stored in memory, described in realization
Control the various functions of equipment.The memory can mainly include storing program area and storage data area, wherein storing program area
It can application program (such as sound-playing function, image player function etc.) needed for storage program area, at least one function etc.；
Storage data area, which can be stored, uses created data (such as audio data, phone directory etc.) etc. according to mobile phone.In addition, storage
Device may include high-speed random access memory, can also be hard including nonvolatile memory, such as hard disk, memory, plug-in type
Disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card, flash card
(Flash Card), at least one disk memory, flush memory device or other volatile solid-state parts.
It will be appreciated by those of skill in the art that although some embodiments in this include included in other embodiments
Certain features rather than other feature, but the combination of the feature of different embodiments means to be within the scope of the present invention simultaneously
And form different embodiments.For example, in the following claims, the one of any of embodiment claimed all may be used
Come in a manner of in any combination using.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of detection device of LED display terminal, which is characterized in that including brightness acquisition module and main control module, in which:
The brightness acquisition module, it is each in LED display terminal for acquiring including the sensor matrices being made of photosensitive sensor
The real-time luminosity information of a LED, and the real-time luminosity information of collected each LED is transferred to the main control module；
The main control module, for corresponding standard to be bright in normal operation according to each LED in the LED display terminal
The real-time luminosity information of collected each LED is compared in degree information, and detects the LED according to comparison result and show
Show the LED that existing display is abnormal in terminal.
2. the detection device of LED display terminal according to claim 1, which is characterized in that the equipment further includes alarm
Module；
The main control module is also used to when detecting to exist in the LED display terminal LED of display exception to the alarm
Module sends alarm enabled instruction；
The alarm module, for carrying out abnormal show alarm according to the alarm enabled instruction received.
3. the detection device of LED display terminal according to claim 1, which is characterized in that the equipment further include:
First communication module, for the testing result of the main control module to be shared to the terminal device currently connected.
4. the detection device of LED display terminal according to claim 1, which is characterized in that the equipment further include:
Second communication module, for establishing the communication connection with remote server or local computer, to receive local computer
Control instruction, and to the remote server upload data.
5. the detection device of LED display terminal according to claim 1, which is characterized in that the equipment further include:
Touch display module, for according to the real-time luminosity information of collected each LED to the LED display terminal
Current working status is shown, and shows the LED display terminal in the touch command according to the touch command received
The history working condition of specified time.
6. the detection device of LED display terminal according to claim 5, which is characterized in that the equipment further includes inside
Memory module and outer memory module；
The storage inside module, for store the real-time luminosity information of the collected each LED of the brightness acquisition module with
And each LED corresponding normal brightness information in normal operation in the LED display terminal；
The outer memory module, the touch command for being received according to the touch display module are downloaded data and deposit
Storage.
7. a kind of detection method of LED display terminal, which is characterized in that the described method includes:
Obtain the real-time luminosity information of each LED in LED display terminal；
According to institute of the corresponding normal brightness information to acquisition in normal operation of each LED in the LED display terminal
The real-time luminosity information for stating each LED is compared；
The LED that existing display is abnormal in the LED display terminal is detected according to comparison result.
8. the method according to the description of claim 7 is characterized in that described detect the LED display terminal according to comparison result
The abnormal LED of interior existing display, comprising:
When the normal brightness information of any LED in the LED display terminal is greater than with the difference of corresponding real-time luminosity information
When preset error threshold, then the LED LED abnormal for display is determined.
9. the method according to the description of claim 7 is characterized in that detecting the LED display eventually according to comparison result described
End memory the abnormal LED of display after, the method also includes:
When detecting to have the LED of display exception in the LED display terminal, alarm enabled instruction is sent, to carry out exception
Display alarm.
10. a kind of detection device of LED display terminal characterized by comprising
Data capture unit, for obtaining the real-time luminosity information of each LED in LED display terminal；
Processing unit, for corresponding normal brightness to be believed in normal operation according to each LED in the LED display terminal
The real-time luminosity information of each LED of acquisition is compared in breath；
Detection unit, for detecting the LED that existing display is abnormal in the LED display terminal according to comparison result.
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| CN201910123226.3A CN109819246A (en) | 2019-02-18 | 2019-02-18 | Detection device, detection method and detection device of LED display terminal |
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| CN201910123226.3A CN109819246A (en) | 2019-02-18 | 2019-02-18 | Detection device, detection method and detection device of LED display terminal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398344A (en) * | 2019-08-23 | 2019-11-01 | Tcl王牌电器(惠州)有限公司 | A kind of detection method, appliance arrangement and storage medium showing equipment backlight luminous board |
| CN110398344B (en) * | 2019-08-23 | 2022-08-30 | Tcl王牌电器(惠州)有限公司 | Method, device and equipment for detecting backlight lamp panel of display equipment and storage medium |
| CN113362729A (en) * | 2021-06-25 | 2021-09-07 | 利晶微电子技术(江苏)有限公司 | LED display screen overhauling method and device and LED display screen overhauling system |
| CN113362729B (en) * | 2021-06-25 | 2022-12-30 | 利晶微电子技术(江苏)有限公司 | LED display screen overhauling method and device and LED display screen overhauling system |
| CN113554191A (en) * | 2021-07-27 | 2021-10-26 | 桂林海威科技股份有限公司 | Remote monitoring method and system for equipment with light source |
| CN114217213A (en) * | 2021-12-15 | 2022-03-22 | 北京芯格诺微电子有限公司 | Test method for active LED matrix panel |
| CN114217213B (en) * | 2021-12-15 | 2022-05-06 | 北京芯格诺微电子有限公司 | Test method for active LED matrix panel |
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