CN104267719A - Bus-system LED display system point-by-point fault detection method and application thereof - Google Patents
Bus-system LED display system point-by-point fault detection method and application thereof Download PDFInfo
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- CN104267719A CN104267719A CN201410557707.2A CN201410557707A CN104267719A CN 104267719 A CN104267719 A CN 104267719A CN 201410557707 A CN201410557707 A CN 201410557707A CN 104267719 A CN104267719 A CN 104267719A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0286—Modifications to the monitored process, e.g. stopping operation or adapting control
- G05B23/0289—Reconfiguration to prevent failure, e.g. usually as a reaction to incipient failure detection
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
Abstract
The invention relates to a bus-system LED display system point-by-point fault detection method and the application thereof. The method is based on a parallel bus-system LED lighting control system. The system is composed of an upper computer, an LED controller and a plurality of LED lamps which are connected in parallel and controlled by the LED controller. The LED controller is connected with the upper computer through an optical fiber or a network cable. The LED controller is composed of a TCP/IP communication module, a center processor, an information storage module (which is selectable) and a first communication module. Each LED lamp is composed of a second communication module, a processor and data storage module, a display monitoring module and a display module, wherein the second communication module of the LED lamp is connected with the first communication module of the LED controller through an address writing line and a communication bus. The system has the functions of remote monitoring, fault detection, fault feedback, automatic fault shielding, brightness adjustment, automatic encoding and the like, and managers can grasp system working conditions immediately; due to the fact that the system has the automatic fault shielding function, fault points are in the perfectly-black state, and damage caused by color loss, flashing and other phenomena on the whole picture vision is avoided.
Description
Technical field
The present invention relates to bus LED display system, particularly a kind of bus LED display system pointwise method for detecting fault and application thereof.
Background technology
Along with LED technology develops rapidly in recent years, more and more LED applies to lighting field, such as urban look lamp, but also occur that some region of a lot of project or position occur phenomenons such as lacking look, flash due to fault simultaneously, to people's visually defect, and at present emergency response mechanism is lacked for this defect.
In addition, once above-mentioned defect produces, only have wait technician to observe fault and abort situation or have other people to carry out troublshooting and just can process, it processes large large time delay on opportunity.
Summary of the invention
The object of the present invention is to provide a kind of bus LED display system pointwise method for detecting fault and application thereof, it mainly solves the technical matters existing for above-mentioned prior art, it has remote monitoring, detecting fault, fault is fed back, fault automatic shield, brightness regulation, the functions such as automatic coding, make managerial personnel's very first time grasp system health, system has fault automatic shield function, makes fault point in complete black state, avoid, because lack look, the phenomenon such as flashing and damaging whole picture vision.
For solving the problems of the technologies described above, the present invention is achieved in that
A kind of bus LED display system pointwise method for detecting fault, is characterized in that: the method is the bus LED lamplight control system based on basis in parallel; Should be made up of host computer, LED controller and the some LED lamp by LED controller Parallel Control based on the bus LED lamplight control system on basis in parallel; Wherein:
This LED controller is connected with host computer by optical fiber or netting twine, and this LED controller is made up of TCP/IP communication module, central processing unit, information storage module and first communication module;
This LED lamp is by second communication module, processor and data memory module, display monitoring module and display module process; The second communication module of this LED lamp is connected with the first communication module of LED controller with communication bus by writing location line;
This method for detecting fault comprises the steps:
Steps A 1: host computer sends detecting order, sends particular display data simultaneously;
Central processing unit in steps A 2:LED controller receives detecting order and particular display data by TCP/IP communication module, detecting order and particular display data are forwarded to communication bus by first communication module, particular display data information are stored in information storage module simultaneously;
Steps A 3:LED light fixture receives detecting order and particular display data by second communication module, processor and data memory module receive data corresponding to particular display data according to self built-in address, the particular display data of reception is sent to display monitoring module, particular display data is sent to display module display by display monitoring module, gathers actual displayed data feedback to processor and data memory module simultaneously; The actual displayed data of LED lamp and the address information of LED lamp are sent to communication bus by second communication module by processor and data memory module;
Steps A 4: first communication module receives the actual displayed data of LED lamp and the address information of LED lamp is sent to central processing unit, each LED lamp actual displayed data received and address information are combined into the complete actual displayed data of this passage by central processing unit, with the particular display data comparison stored in information storage module; If two groups of data are identical, then all LED lamp non-fault in this passage are described; If two groups of data have difference, then illustrate that in this passage, LED lamp exists fault, the address information according to LED lamp 300 confirms position, trouble spot localization of faults information, if comprise multiple color in this trouble spot, then thinks that all colours is fault; And comparing result and failure message are stored in information storage module.
An application for bus LED display system pointwise method for detecting fault as above, is characterized in that: perform following steps further after described steps A 4:
By TCP/IP communication module, trouble spot information is uploaded to host computer, forms fault form by host computer, transfer to terminal user by LAN or WLAN.
An application for bus LED display system pointwise method for detecting fault as above, is characterized in that: perform following steps further after described steps A 4:
During image display, every frame image data is called in internal memory by central processing unit, read the storage failure dot information of information storage module simultaneously, according to trouble spot information amendment view data, be black signal value position of failure point data modification, amended image information exports display module display to by first communication module, communication bus, second communication module, processor and data memory module, display monitoring module, makes trouble spot black signal display, thus realizes trouble spot shielding.
A kind of bus LED display system pointwise method for detecting fault, is characterized in that: the method is the bus LED lamplight control system based on basis in parallel; Should be made up of host computer, LED controller and the some LED lamp by LED controller Parallel Control based on the bus LED lamplight control system on basis in parallel; Wherein:
This LED controller is connected with host computer by optical fiber or netting twine, and this LED controller is made up of TCP/IP communication module, central processing unit and first communication module;
This LED lamp is by second communication module, processor and data memory module, display monitoring module and display module process; The second communication module of this LED lamp is connected with the first communication module of LED controller with communication bus by writing location line;
This method for detecting fault comprises the steps:
Step a1: host computer sends detecting order, sends particular display data simultaneously;
Central processing unit in step a2:LED controller receives detecting order and particular display data by TCP/IP communication module, and detecting order and particular display data are forwarded to communication bus by first communication module;
Step a3:LED light fixture receives detecting order and particular display data by second communication module, processor and data memory module receive data corresponding to particular display data according to self built-in address, the particular display data of reception is sent to display monitoring module, particular display data information is stored simultaneously; Particular display data is sent to display module display by display monitoring module, gathers actual displayed data feedback to processor and data memory module simultaneously;
Step a4: actual displayed data and particular display data contrast by processor and data memory module; If two groups of data have difference, then illustrate that in this passage, LED lamp exists fault, the address information according to LED lamp confirms position, trouble spot localization of faults information, if comprise multiple color in this trouble spot, then thinks that all colours is fault; And comparing result and failure message are stored in processor and data memory module.
An application for bus LED display system pointwise method for detecting fault as above, is characterized in that: perform following steps further after described step a4:
The trouble spot information of the LED lamp be stored in processor and data memory module and the address information of LED lamp are sent to communication bus by second communication module, first communication module receives the actual displayed data of LED lamp and the address information of LED lamp is sent to central processing unit, each LED lamp actual displayed data received and address information are combined into the complete trouble spot information of this passage by central processing unit, by TCP/IP communication module, trouble spot information is uploaded to host computer, fault form is formed by host computer, terminal user is transferred to by LAN or WLAN.
An application for upper described bus LED display system pointwise method for detecting fault, is characterized in that: perform following steps further after described step a4:
During image display, processor and data memory module receive data corresponding to every frame image data according to self built-in address, the storage failure dot information of reading processor and data memory module simultaneously, according to trouble spot information amendment view data, be black signal value position of failure point data modification, amended image information exports display module display to by display monitoring module, makes trouble spot black signal display, thus realizes trouble spot shielding.
Accompanying drawing explanation
Fig. 1 is the structural representation of bus LED display system in the inventive method embodiment 1.
Embodiment
Embodiment 1
A kind of bus LED display system pointwise method for detecting fault, the method is the bus LED lamplight control system based on basis in parallel.As shown in Figure 1: should be made up of host computer 100, LED controller 200 and the some LED lamp 300 by LED controller 200 Parallel Control based on the bus LED lamplight control system on basis in parallel; Wherein: this LED controller 200 is connected with host computer 100 by optical fiber or netting twine 1, this LED controller 200 by TCP/IP communication module 2 (as DM9000AEP, DM9008AEP etc.), central processing unit 3 is (as NUC130LE, SAM7S256, SAM7S64 etc.), information storage module 4 (as IS61LV5128, IS61LV2568 etc.) and first communication module 5 be (as MAX1487, MC3487, SN75176, MC3486 etc.) form; This LED lamp 300 by second communication module 8 (as 6N137, SN75176, MAX1487 etc.) processor and data memory module 9 be (as 51 series, STC11F02 series, STC15W202 series etc.), display monitoring module 10 is (as MBI5027, DM632,74HC595, TL064 etc.) and display module 11 (as LED light module etc.) process; The second communication module 8 of this LED lamp 300 is connected with the first communication module 5 of LED controller 200 with communication bus 7 by writing location line 6.
This method for detecting fault comprises the steps:
Steps A 1: host computer 100 sends detecting order, sends particular display data simultaneously;
Central processing unit 3 in steps A 2:LED controller 200 receives detecting order and particular display data by TCP/IP communication module 2, detecting order and particular display data are forwarded to communication bus 7 by first communication module 5, particular display data information are stored in information storage module 4 simultaneously;
Steps A 3:LED light fixture 300 receives detecting order and particular display data by second communication module 8, processor and data memory module 9 receive data corresponding to particular display data according to self built-in address, the particular display data of reception is sent to display monitoring module 10, particular display data is sent to display module 11 and is shown by display monitoring module 10, gathers actual displayed data feedback to processor and data memory module 9 simultaneously; The actual displayed data of LED lamp 300 and the address information of LED lamp 300 are sent to communication bus 7 by second communication module 8 by processor and data memory module 9;
Steps A 4: the address information of actual displayed data and LED lamp 300 that first communication module 5 receives LED lamp 300 is sent to central processing unit 3, each LED lamp 300 actual displayed data received and address information are combined into the complete actual displayed data of this passage, with the particular display data comparison stored in information storage module 4 by central processing unit 3; If two groups of data are identical, then all LED lamp 300 non-fault in this passage are described; If two groups of data have difference, then illustrate that in this passage, LED lamp 300 exists fault, the address information according to LED lamp 300 confirms position, trouble spot localization of faults information, if comprise multiple color in this trouble spot, then thinks that all colours is fault; And comparing result and failure message are stored in information storage module 4.
Embodiment 2
This embodiment 2 is the application on embodiment 1 method basis, and it performs following steps further after steps A 4:
By TCP/IP communication module 2, trouble spot information is uploaded to host computer 100, forms fault form by host computer 100, transfer to terminal user by LAN or WLAN.Like this, user just can obtain failure message at the right time, and accurately knows abort situation, is conducive to carrying out the process such as reparation in time.
Embodiment 3
This embodiment 3 is the application on embodiment 1 method basis, and it performs following steps further after steps A 4:
During image display, every frame image data is called in internal memory by central processing unit 3, read the storage failure dot information of information storage module 4 simultaneously, according to trouble spot information amendment view data, be black signal value position of failure point data modification, amended image information is exported to display module 11 shown by first communication module 5, communication bus 7, second communication module 8, processor and data memory module 9, display monitoring module 10, makes trouble spot black signal display, thus realizes trouble spot shielding.
The application process of above-described embodiment 3 is a kind of emergency processing methods, and this application also the application in embodiment 2 can be combined and use, better effects if.
Embodiment 4
A kind of bus LED display system pointwise method for detecting fault, the method is the bus LED lamplight control system based on basis in parallel; Should be made up of host computer 100, LED controller 200 and the some LED lamp 300 by LED controller 200 Parallel Control based on the bus LED lamplight control system on basis in parallel; Wherein: this LED controller 200 is connected with host computer 100 by optical fiber or netting twine 1, this LED controller 200 by TCP/IP communication module 2 (as DM9000AEP, DM9008AEP etc.), central processing unit 3 is (as NUC130LE, SAM7S256, SAM7S64 etc.) and first communication module 5 (as MAX1487, MC3487, SN75176, MC3486 etc.) form; This LED lamp 300 by second communication module 8 (as 6N137, SN75176, MAX1487 etc.), processor and data memory module 9 be (as 51 series, STC11F02 series, STC15W202 series etc.), display monitoring module 10 is (as MBI5027, DM632,74HC595, TL064 etc.) and display module 11 (as LED light module etc.) process; The second communication module 8 of this LED lamp 300 is connected with the first communication module 5 of LED controller 200 with communication bus 7 by writing location line 6.Compared with the system architecture of embodiment 1, in the present embodiment 4, information storage module 4 can be omitted.
This method for detecting fault comprises the steps:
Step a1: host computer 100 sends detecting order, sends particular display data simultaneously;
Central processing unit 3 in step a2:LED controller 200 receives detecting order and particular display data by TCP/IP communication module 2, and detecting order and particular display data are forwarded to communication bus 7 by first communication module 5;
Step a3:LED light fixture 300 receives detecting order and particular display data by second communication module 8, processor and data memory module) receive data corresponding to particular display data according to self built-in address, the particular display data of reception is sent to display monitoring module 10, particular display data information is stored simultaneously; Particular display data is sent to display module 11 and is shown by display monitoring module 10, gathers actual displayed data feedback to processor and data memory module 9 simultaneously;
Step a4: actual displayed data and particular display data contrast by processor and data memory module 9; If two groups of data have difference, then illustrate that in this passage, LED lamp 300 exists fault, the address information according to LED lamp 300 confirms position, trouble spot localization of faults information, if comprise multiple color in this trouble spot, then thinks that all colours is fault; And comparing result and failure message are stored in processor and data memory module 9.
The method of this embodiment 4 is identical with the Method And Principle of embodiment 1, even if be all a kind of detecting failure message, and is stored in by failure message in the memory device in system.
Embodiment 5
The application of this embodiment 5 on embodiment 4 method basis, it performs following steps further after step a:
The trouble spot information of the LED lamp 300 be stored in processor and data memory module 9 and the address information of LED lamp 300 are sent to communication bus 7 by second communication module 8, the address information of actual displayed data and LED lamp 300 that first communication module 5 receives LED lamp 300 is sent to central processing unit 3, each LED lamp 300 actual displayed data received and address information are combined into the complete trouble spot information of this passage by central processing unit 3, by TCP/IP communication module 2, trouble spot information is uploaded to host computer 100, fault form is formed by host computer 100, terminal user is transferred to by LAN or WLAN.Like this, user just can obtain failure message at the right time, and accurately knows abort situation, is conducive to carrying out the process such as reparation in time.
Embodiment 6
Application on this embodiment 6 embodiment 4 method basis, it performs following steps further after step a:
During image display, processor and data memory module 9 receive data corresponding to every frame image data according to self built-in address, the storage failure dot information of reading processor and data memory module 9 simultaneously, according to trouble spot information amendment view data, be black signal value position of failure point data modification, amended image information exports display module 11 to by display monitoring module 10 and shows, and makes trouble spot black signal display, thus realizes trouble spot shielding.
Above-described embodiment 6 application process is a kind of emergency processing method, and this application also can be combined with the application of embodiment 5 and use, better effects if.
Be only preferred embodiment of the present invention in sum, be not used for limiting practical range of the present invention.Namely all equivalences done according to the content of the present patent application the scope of the claims change and modify, and all should be technology category of the present invention.
Claims (6)
1. a bus LED display system pointwise method for detecting fault, is characterized in that: the method is the bus LED lamplight control system based on basis in parallel; Should be made up of host computer (100), LED controller (200) and the some LED lamp (300) by LED controller (200) Parallel Control based on the bus LED lamplight control system on basis in parallel; Wherein:
This LED controller (200) is connected with host computer (100) by optical fiber or netting twine (1), and this LED controller (200) is made up of TCP/IP communication module (2), central processing unit (3), information storage module (4) and first communication module (5);
This LED lamp (300) is by second communication module (8), processor and data memory module (9), display monitoring module (10) and display module (11) process; The second communication module (8) of this LED lamp (300) is connected with the first communication module (5) of LED controller (200) with communication bus (7) by writing location line (6);
This method for detecting fault comprises the steps:
Steps A 1: host computer (100) sends detecting order, sends particular display data simultaneously;
Central processing unit (3) in steps A 2:LED controller (200) receives detecting order and particular display data by TCP/IP communication module (2), detecting order and particular display data are forwarded to communication bus (7) by first communication module (5), particular display data information are stored in information storage module (4) simultaneously;
Steps A 3:LED light fixture (300) receives detecting order and particular display data by second communication module (8), processor and data memory module (9) receive data corresponding to particular display data according to self built-in address, the particular display data of reception is sent to display monitoring module (10), particular display data is sent to display module (11) display by display monitoring module (10), gathers actual displayed data feedback to processor and data memory module (9) simultaneously; The address information of the actual displayed data of LED lamp (300) and LED lamp (300) is sent to communication bus (7) by second communication module (8) by processor and data memory module (9);
Steps A 4: the address information of actual displayed data and LED lamp (300) that first communication module (5) receives LED lamp (300) is sent to central processing unit (3), each LED lamp (300) the actual displayed data received and address information are combined into the complete actual displayed data of this passage by central processing unit (3), with the particular display data comparison stored in information storage module (4); If two groups of data are identical, then all LED lamp (300) non-fault in this passage is described; If two groups of data have difference, then illustrate that in this passage, LED lamp (300) exists fault, address information according to LED lamp (300) confirms position, trouble spot localization of faults information, if comprise multiple color in this trouble spot, then think that all colours is fault; And comparing result and failure message are stored in information storage module (4).
2. an application for bus LED display system pointwise method for detecting fault as claimed in claim 1, is characterized in that: perform following steps further after described steps A 4:
By TCP/IP communication module (2), trouble spot information is uploaded to host computer (100), forms fault form by host computer (100), transfer to terminal user by LAN or WLAN.
3. an application for bus LED display system pointwise method for detecting fault as claimed in claim 1, is characterized in that: perform following steps further after described steps A 4:
During image display, every frame image data is called in internal memory by central processing unit (3), read the storage failure dot information of information storage module (4) simultaneously, according to trouble spot information amendment view data, be black signal value position of failure point data modification, amended image information is by first communication module (5), communication bus (7), second communication module (8), processor and data memory module (9), display monitoring module (10) exports display module (11) display to, make trouble spot black signal display, thus realize trouble spot shielding.
4. a bus LED display system pointwise method for detecting fault, is characterized in that: the method is the bus LED lamplight control system based on basis in parallel; Should be made up of host computer (100), LED controller (200) and the some LED lamp (300) by LED controller (200) Parallel Control based on the bus LED lamplight control system on basis in parallel; Wherein:
This LED controller (200) is connected with host computer (100) by optical fiber or netting twine (1), and this LED controller (200) is made up of TCP/IP communication module (2), central processing unit (3) and first communication module (5);
This LED lamp (300) is by second communication module (8), processor and data memory module (9), display monitoring module (10) and display module (11) process; The second communication module (8) of this LED lamp (300) is connected with the first communication module (5) of LED controller (200) with communication bus (7) by writing location line (6);
This method for detecting fault comprises the steps:
Step a1: host computer (100) sends detecting order, sends particular display data simultaneously;
Central processing unit (3) in step a2:LED controller (200) receives detecting order and particular display data by TCP/IP communication module (2), and detecting order and particular display data are forwarded to communication bus (7) by first communication module (5);
Step a3:LED light fixture (300) receives detecting order and particular display data by second communication module (8), processor and data memory module (9) receive data corresponding to particular display data according to self built-in address, the particular display data of reception is sent to display monitoring module (10), particular display data information is stored simultaneously; Particular display data is sent to display module (11) display by display monitoring module (10), gathers actual displayed data feedback to processor and data memory module (9) simultaneously;
Step a4: actual displayed data and particular display data contrast by processor and data memory module (9); If two groups of data have difference, then illustrate that in this passage, LED lamp (300) exists fault, address information according to LED lamp (300) confirms position, trouble spot localization of faults information, if comprise multiple color in this trouble spot, then think that all colours is fault; And comparing result and failure message are stored in processor and data memory module (9).
5. an application for bus LED display system pointwise method for detecting fault as claimed in claim 4, is characterized in that: perform following steps further after described step a4:
The address information of the trouble spot information of the LED lamp (300) be stored in processor and data memory module (9) and LED lamp (300) is sent to communication bus (7) by second communication module (8), the address information of actual displayed data and LED lamp (300) that first communication module (5) receives LED lamp (300) is sent to central processing unit (3), each LED lamp (300) the actual displayed data received and address information are combined into the complete trouble spot information of this passage by central processing unit (3), by TCP/IP communication module (2), trouble spot information is uploaded to host computer (100), fault form is formed by host computer (100), terminal user is transferred to by LAN or WLAN.
6. an application for bus LED display system pointwise method for detecting fault as claimed in claim 4, is characterized in that: perform following steps further after described step a4:
During image display, processor and data memory module (9) receive data corresponding to every frame image data according to self built-in address, the storage failure dot information of reading processor and data memory module (9) simultaneously, according to trouble spot information amendment view data, be black signal value position of failure point data modification, amended image information exports display module (11) display to by display monitoring module (10), make trouble spot black signal display, thus realize trouble spot shielding.
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| CN201410557707.2A CN104267719B (en) | 2014-10-20 | 2014-10-20 | Bus LED display system pointwise method for detecting fault and application thereof |
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| CN201410557707.2A CN104267719B (en) | 2014-10-20 | 2014-10-20 | Bus LED display system pointwise method for detecting fault and application thereof |
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| CN106594536A (en) * | 2016-12-12 | 2017-04-26 | 上海光联照明有限公司 | Device and method for cooling protection of bus-mode LED control system |
| CN108234232A (en) * | 2016-12-21 | 2018-06-29 | 杭州海康威视数字技术股份有限公司 | Fault location, loop detecting method, device, system and equipment based on bus |
| CN112014071A (en) * | 2020-08-27 | 2020-12-01 | 深圳市洲明科技股份有限公司 | Method, system, equipment and storage medium for identifying fault bad points of LED display screen |
| CN112331133A (en) * | 2020-08-24 | 2021-02-05 | 浙江宇视科技有限公司 | Display control method, device, medium and system of LED screen |
| CN112634828A (en) * | 2021-03-09 | 2021-04-09 | 杭州视芯科技有限公司 | LED display system, constant current driving circuit and display control method |
| WO2021147758A1 (en) * | 2020-01-20 | 2021-07-29 | 北京芯海视界三维科技有限公司 | Display screen monitoring method and device, display screen monitoring chip, and display screen monitor |
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| CN106594536A (en) * | 2016-12-12 | 2017-04-26 | 上海光联照明有限公司 | Device and method for cooling protection of bus-mode LED control system |
| CN106594536B (en) * | 2016-12-12 | 2023-04-25 | 上海光联照明有限公司 | Cooling protection device and method for bus LED control system |
| CN108234232A (en) * | 2016-12-21 | 2018-06-29 | 杭州海康威视数字技术股份有限公司 | Fault location, loop detecting method, device, system and equipment based on bus |
| CN108234232B (en) * | 2016-12-21 | 2020-10-23 | 杭州海康威视数字技术股份有限公司 | Bus-based fault positioning and loop detection method, device, system and equipment |
| WO2021147758A1 (en) * | 2020-01-20 | 2021-07-29 | 北京芯海视界三维科技有限公司 | Display screen monitoring method and device, display screen monitoring chip, and display screen monitor |
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| CN112014071A (en) * | 2020-08-27 | 2020-12-01 | 深圳市洲明科技股份有限公司 | Method, system, equipment and storage medium for identifying fault bad points of LED display screen |
| CN112634828A (en) * | 2021-03-09 | 2021-04-09 | 杭州视芯科技有限公司 | LED display system, constant current driving circuit and display control method |
| CN112634828B (en) * | 2021-03-09 | 2021-07-09 | 杭州视芯科技有限公司 | LED display system, constant current driving circuit and display control method |
| CN116617670A (en) * | 2023-05-30 | 2023-08-22 | 青岛意想意创技术发展有限公司 | Method and device for setting interactive game equipment in irregular field |
| CN116617670B (en) * | 2023-05-30 | 2023-12-19 | 青岛意想意创技术发展有限公司 | Method and device for setting interactive game equipment in irregular field |
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