CN103606349A - Splicing display apparatus control system - Google Patents
Splicing display apparatus control system Download PDFInfo
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- CN103606349A CN103606349A CN201310557799.XA CN201310557799A CN103606349A CN 103606349 A CN103606349 A CN 103606349A CN 201310557799 A CN201310557799 A CN 201310557799A CN 103606349 A CN103606349 A CN 103606349A
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Abstract
The invention discloses a splicing display apparatus control system. The system comprises a controller unit, a first electric power network bridging module, and second electric power network bridging modules respectively connected with the display units of a splicing display apparatus, wherein the controller unit is connected with a power line through the first electric power network bridging module; the display units are connected with the power line through the second electric power network bridging modules; the controller unit outputs a control signal to the first electric power network bridging module according to control operation, and the first electric power network bridging module loads the control signal to the power line; and the second electric power network bridging modules obtain the control signal from the power line and sends the control signal to corresponding display units. According to the invention, the display units are connected with the power line through the first electric power network bridging module so as to be connected to an electric power network so that a large quantity of wire rods is saved, there are links for mutual communication among the forgoing parts, and intelligent brightness adjustment can be realized according to the background light mode determined by the controller unit.
Description
Technical field
The present invention relates to tiled display technical field, especially relate to a kind of splicing display device control system.
Background technology
Traditional splicing display device control system is based on LAN (Local Area Network) and RS485 industrial network, each display unit of splicing display device with a serial line interface or cable interface and at least one video input mouth as DVI interface, control computer expert crosses Access Network line interface or serial line interface communicates control to display unit, and processor accesses by video line the picture signal content that video input mouth produces to transmit corresponding display unit.
Peripherals as desk lamp with dimmer switch etc. from control computer away from, control computer and generally rs 232 serial interface signal need to be converted to RS485 differential signal and be transferred to peripherals.So this splicing display device control system is except needs line of electric force connects, also need to lay in addition netting twine, the twisted-pair feeder of RS485 communication and video signal cable are as DVI or VGA line, but also need to set up network router, the equipment such as RS485 converter and repeater, control computer, processor and each display unit are all to there being an independently mailing address, by network router, connect display unit, any order that control computer sends to display unit all needs to carry out transfer through network router, difficulty of construction and expense that system is installed have not only been increased, once system cable breaks down, investigation and replacing need more time and time.
Summary of the invention
Based on this; be necessary for the deficiencies in the prior art; a kind of splicing display device control system is provided; using line of electric force as communications carrier, replace traditional netting twine and twisted-pair feeder, save a large amount of wire rods, avoid the splicing display device in disorder problem that connects up behind; and can reduce difficulty of construction and cost of equipment; protect to greatest extent existing paving spider lines, and with intelligent scene lamp optical controlling function, the scene of setting according to user is carried out the adjusting of background light.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of splicing display device control system, and it comprises controller unit, the first electric power networks bridge module and the second electric power networks bridge module that connects respectively the display unit of splicing display device; Described controller unit is connected with line of electric force by the first electric power networks bridge module, and described display unit is connected with described line of electric force by the second electric power networks bridge module; Described controller unit outputs control signals to described the first electric power networks bridge module according to control operation, and described the first electric power networks bridge module is loaded on described control signal on described line of electric force; Described the second electric power networks bridge module obtains described control signal from described line of electric force, and described control signal is sent to corresponding display unit.
In sum, splicing display device control system of the present invention is by replacing traditional netting twine and twisted-pair feeder using line of electric force as communications carrier, save a large amount of wire rods, avoid the splicing display device in disorder problem that connects up behind, and can reduce difficulty of construction and cost of equipment, protect to greatest extent existing paving spider lines, making display unit pass through the first electric power networks bridge module is connected with line of electric force, and then be connected in electric power networks, between each unit, there is the link of intercommunication mutually, without external bridge, and controller unit is controlled the front brightness of screen of splicing display device, according to the definite background light pattern of controller unit, carrying out smart brightness regulates.
Accompanying drawing explanation
Fig. 1 is the theory diagram of splicing display device control system embodiment of the present invention;
Fig. 2 be shown in splicing display device control system of the present invention in conjunction with the theory diagram of luminance sensor unit and desk lamp with dimmer switch unit;
Fig. 3 is that splicing display device control system of the present invention is in conjunction with the theory diagram of luminance sensor unit, desk lamp with dimmer switch unit and curtain unit;
Fig. 4 is that splicing display device control system of the present invention is in conjunction with the theory diagram of luminance sensor unit, desk lamp with dimmer switch unit, curtain unit and processor unit;
Fig. 5 is the process flow diagram of splicing display device control system normal operating conditions of the present invention;
Fig. 6 is the theory diagram of another embodiment of splicing display device control system of the present invention.
Embodiment
For further understanding feature of the present invention, technological means and the specific purposes that reach, function, below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
As shown in Figure 1, splicing display device control system of the present invention comprises controller unit, the first electric power networks bridge module and the second electric power networks bridge module that connects respectively the display unit of splicing display device; Described controller unit is connected with line of electric force by the first electric power networks bridge module, and line of electric force connects electric power system, and described display unit is connected with described line of electric force by the second electric power networks bridge module; Described controller unit outputs control signals to described the first electric power networks bridge module according to the control operation of user's triggering command or luminance sensor unit triggers data, and described the first electric power networks bridge module is loaded on described control signal on described line of electric force; Described the second electric power networks bridge module obtains described control signal from described line of electric force, and described control signal is sent to corresponding display unit.
Splicing display device control system of the present invention is by replacing traditional netting twine and twisted-pair feeder using line of electric force as communications carrier, save a large amount of wire rods, avoid the splicing display device in disorder problem that connects up behind, and can reduce difficulty of construction and cost of equipment, protect to greatest extent existing paving spider lines, making display unit pass through the first electric power networks bridge module is connected with line of electric force, and then be connected in electric power networks, between each unit, there is the link of intercommunication mutually, without external bridge, and controller unit is controlled the front brightness of screen of splicing display device, according to the definite background light pattern of controller unit, carrying out smart brightness regulates.
Therein in an embodiment, as shown in Figure 2, the present invention can also comprise the 3rd electric power networks bridge module, the 4th electric power networks bridge module, described the 3rd electric power networks bridge module connects luminance sensor unit, described the 4th electric power networks bridge module connects desk lamp with dimmer switch unit, described luminance sensor unit is connected with described line of electric force by the 3rd electric power networks bridge module, and described desk lamp with dimmer switch unit is connected with described line of electric force by the 4th electric power networks bridge module; Described controller unit outputs control signals to described the first electric power networks bridge module according to the control operation of user's triggering command or luminance sensor unit triggers data, and described the first electric power networks bridge module is loaded on described control signal on described line of electric force; The 3rd electric power networks bridge module, the 4th electric power networks bridge module obtain described control signal from described line of electric force respectively, and described control signal is sent to corresponding luminance sensor unit, desk lamp with dimmer switch unit.
Therein in an embodiment, as shown in Figure 3, the present invention can also comprise the 5th electric power networks bridge module, described the 5th electric power networks bridge module connects curtain unit, described curtain unit is connected with described line of electric force by the 5th electric power networks bridge module, and described curtain unit is connected with described line of electric force by the 5th electric power networks bridge module; Described controller unit outputs control signals to described the first electric power networks bridge module according to the control operation of user's triggering command or luminance sensor unit triggers data, and described the first electric power networks bridge module is loaded on described control signal on described line of electric force; The 5th electric power networks bridge module obtains described control signal from described line of electric force, and described control signal is sent to corresponding curtain unit.
Therein in an embodiment, as shown in Figure 4, the present invention can also comprise the 6th electric power networks bridge module, described the 6th electric power networks bridge module connects processor unit, described processor unit is connected with described line of electric force by the 6th electric power networks bridge module, and described processor unit is connected with described line of electric force by the 6th electric power networks bridge module; Described controller unit outputs control signals to described the first electric power networks bridge module according to the control operation of user's triggering command or luminance sensor unit triggers data, and described the first electric power networks bridge module is loaded on described control signal on described line of electric force; The 6th electric power networks bridge module obtains described control signal from described line of electric force, and described control signal is sent to corresponding processor unit; Described processor unit is also connected with splicing display device by video cables, and described processor unit is transferred to splicing display device with capable of appearing picture by the video signal source of input by video cables, and described video cables is DVI line.
Wherein, described line of electric force connects respectively each display unit, luminance sensor unit, desk lamp with dimmer switch unit, curtain unit, the processor unit of splicing display device.Described the first electric power networks bridge module, the second electric power networks bridge module, the 3rd electric power networks bridge module, the 4th electric power networks bridge module, the 5th electric power networks bridge module and the 6th electric power networks bridge module are electric power networks bridge module of the same type, its principle of work is that the high-frequency controling signal of carrying information is loaded on to electric current, then with line of electric force, transmit, the electric power networks bridge of reception information is separated control signal from electric current again, reprint again to corresponding display unit, luminance sensor unit, desk lamp with dimmer switch unit, curtain unit and processor unit, between described controller unit, display unit, luminance sensor unit, desk lamp with dimmer switch unit, curtain unit and processor unit, by electric power networks bridge module and line of electric force, form the link of intercommunication mutually.
Particularly, the display unit of described controller unit, splicing display device, luminance sensor unit, desk lamp with dimmer switch unit, curtain unit, the respectively corresponding autonomous device address of processor unit, device address comprises 0～No. 255; Wherein controller unit, display unit, luminance sensor unit, desk lamp with dimmer switch unit, curtain unit, autonomous device address that processor unit is corresponding are all unique nonoverlapping.From controller unit, display unit, luminance sensor unit, desk lamp with dimmer switch unit, curtain unit, processor unit, choose main equipment and from equipment, main equipment is distributed to in No. 0 device address, 1～No. 254 device address is distributed to from equipment, No. 255 device addresses are broadcasting equipment address code, and controller unit, display unit, luminance sensor unit, desk lamp with dimmer switch unit, curtain unit, processor unit all can receive the broadcast message of No. 255 device addresses.Described controller unit is set as main equipment, described processor unit, the display unit of splicing display device, luminance sensor unit, desk lamp with dimmer switch unit, curtain unit is set as respectively from equipment, main equipment receives the trigger data signal of user's triggering command signal or luminance sensor unit, by the first electric power networks bridge module, send control signals on line of electric force, control signal comprises device address information, the second electric power networks bridge module, the 3rd electric power networks bridge module, the 4th electric power networks bridge module, the 5th electric power networks bridge module and the 6th electric power networks bridge module receive the control signal sending from line of electric force and are transmitted to corresponding to equipment, from equipment, respectively the device address information control signal is judged, steering order action from equipment execution control signal corresponding to device address information in control signal, describedly from equipment, comprise display unit or luminance sensor unit, desk lamp with dimmer switch unit or curtain unit.
In an embodiment, the control signal format content that main equipment sends can comprise therein: packet header, and length is 8bit; System identifier, length is 8bit; Address code, length is 8bit; Device type, length is 8bit; Command code, length is 8bit; Data length, length is 8bit; Numeric data code is the longest, and length is 256*8bit; Check code, length is 16bit.Particular content is as following table:
Wherein, command code form and corresponding command specification content comprise: command code 0, and corresponding command specification is inquiry; Command code 1, corresponding command specification is feedback information; Command code 2, corresponding command specification is for reading register; Command code 3, corresponding command specification is for writing register; Command code 4, corresponding command specification is switching on and shutting down; Command code 5, corresponding command specification is light modulation; Command code 6, corresponding command specification is deviation post.Particular content is as following table:
| Command code | Command specification |
| 0 | Inquiry |
| 1 | Feedback information (for from equipment feedback information) |
| 2 | Read register |
| 3 | Write register |
| 4 | Switching on and shutting down |
| 5 | Light modulation |
| 6 | Deviation post |
| 7 | Undefined |
In an embodiment, device type and corresponding device type declaration content comprise therein: device type 0, and corresponding device type declaration is desk lamp with dimmer switch unit; Device type 1, corresponding device type declaration is curtain unit; Device type 2, corresponding device type declaration is switchgear; Device type 3, corresponding device type declaration is luminance sensor unit; Device type 4, corresponding device type declaration is display unit; Device type 5, corresponding device type declaration is controller unit.Particular content is as following table:
| Device type | Device type explanation |
| 0 | Desk lamp with dimmer switch unit |
| 1 | Curtain unit |
| 2 | Switchgear |
| 3 | Luminance sensor unit |
| 4 | Display unit |
| 5 | Controller unit |
| 6 | Undefined |
Wherein, switchgear is for controlling the unlatching of controller unit, display unit, luminance sensor unit, desk lamp with dimmer switch unit, curtain unit, processor unit or cutting out.
The described controller unit inner setting lamp light mode of having powerful connections, background light pattern comprises day mode, night pattern, film mode, screening-mode and self-defined pattern, display unit, luminance sensor unit, desk lamp with dimmer switch unit and curtain unit jointly complete the intelligence of real-time background light pattern are regulated, desk lamp with dimmer switch unit comprises front light unit and background light unit, front light cellular installation is in the place ahead of splicing display device, background light cellular installation is in the place ahead of front light unit, the installation site of described luminance sensor unit and desk lamp with dimmer switch units match arrange, curtain unit is the apolegamy accessory of splicing display device control system, be arranged on the both sides, the place ahead of splicing display device, also can arrange according to actual presentation space, user carries out the switching of background light pattern by controlling controller unit, and background light pattern corresponding content is as following table:
Described controller unit is controlled the front brightness of screen of splicing display device, user determines the light background mode of splicing display device control system by controlling controller unit, controller unit constantly sends inquiry control signal poll luminance sensor unit, obtain the brightness value of luminance sensor unit inspection, and send dimming control signal to the desk lamp with dimmer switch unit of corresponding brightness sensor unit according to the brightness value of luminance sensor unit inspection, reduce or lifting desk lamp with dimmer switch unit brightness, desk lamp with dimmer switch unit is according to brightness before the screen of dimming control signal control splicing display device, meet the brightness value that light background mode is set.
During splicing display device control system initialization of the present invention, concrete operation step is as follows:
Controller unit storage inside has device registration chained list, described device registration chained list comprises some device registration structures, corresponding stored is from device address, device type and the device attribute of equipment respectively for each device registration structure, and device registration structure links by the size of the device address of corresponding stored from small to large end to end.Wherein, describedly from equipment, comprise display unit, or describedly from equipment, comprise display unit, luminance sensor unit and desk lamp with dimmer switch unit, or describedly from equipment, comprise display unit, luminance sensor unit, desk lamp with dimmer switch unit and curtain unit, or describedly from equipment, comprise display unit, luminance sensor unit, desk lamp with dimmer switch unit, curtain unit and sensor unit.
Controller unit one by one device address carries out poll access, the information of device address, device type and the device attribute of registration display unit, luminance sensor unit, desk lamp with dimmer switch unit, curtain unit, processor unit, in the device registration chained list of these information meeting writing controller unit storage inside.
The described controller unit concrete grammar that poll access is carried out in device address one by one comprises:
First controller unit sends querying command to No. 1 device address by line of electric force, if unit corresponding to No. 1 device address exists, unit corresponding to No. 1 device address feeds back to controller unit by information such as the device type of oneself and device attributes; If controller unit is not received the feedback signal of the unit that No. 1 device address is corresponding in the given time, controller unit thinks that unit corresponding to No. 1 device address do not exist;
Controller unit sends querying command by line of electric force to No. 2 device addresses, so analogizes;
Controller unit sends querying command by line of electric force to No. 254 device addresses, if unit corresponding to No. 254 device addresses exists, unit corresponding to No. 254 device addresses feeds back to controller unit by information such as the device type of oneself and device attributes; If controller unit is not received the feedback signal of the unit that No. 254 device addresses are corresponding in the given time, controller unit thinks that unit corresponding to No. 254 device addresses do not exist.
As shown in Figure 5, during splicing display device control system normal operation of the present invention, concrete operation step is as follows:
S101, judge whether triggering command signal of user, if so, controller unit receives user's triggering command signal, by the first electric power networks bridge module, sends control signals on line of electric force; If not, proceed to step S102;
S102, controller unit enter cruise mode, and controller unit regularly sends status inquiry command to corresponding display unit, luminance sensor unit, desk lamp with dimmer switch unit, curtain unit, the processor unit in device address of registering in device registration chained list by line of electric force;
Whether display unit, luminance sensor unit, desk lamp with dimmer switch unit, curtain unit, processor unit that S103, judgment device address are corresponding be abnormal, if it is working properly, corresponding display unit, luminance sensor unit, desk lamp with dimmer switch unit, curtain unit, the processor unit in device address sends feedback information working properly to line of electric force in the given time, proceeds to step S101; If its work occurs abnormal, corresponding display unit, luminance sensor unit, desk lamp with dimmer switch unit, curtain unit, the processor unit in device address returns to error message or overtime response by line of electric force, proceeds to step S104;
S104, judge whether to occur great abnormal, if so, corresponding display unit, luminance sensor unit, desk lamp with dimmer switch unit, curtain unit, the processor unit in closing device address; If not, at the display interface of controller unit, there is warning prompt or light external alarm indicator.
Line of electric force of the present invention connects electric power system, the present invention adopts controller unit as autonomous device with other equipment and carries out separated as display unit, luminance sensor unit, desk lamp with dimmer switch unit, curtain unit, processor unit, the relatively large system that the equipment that is applicable to is more, controller unit is the main equipment of whole system, by the first electric power networks bridge module, send control signals on line of electric force, be responsible for the running of scheduling whole system.
Therein in an embodiment, as shown in Figure 6, the present invention can be placed in controller unit a wherein display unit of splicing display device, the mini-system that the equipment that is applicable to is less, by this display unit, be responsible for controlling the running of whole system, saved and needed extra cost and the space that increases independent control unit.Wherein, the display unit of tape controller unit is set as main equipment, other display units, luminance sensor unit, desk lamp with dimmer switch unit, curtain unit and processor unit are set as respectively from equipment, main equipment receives user's triggering command signal or the trigger data signal of luminance sensor unit, by the first electric power networks bridge module, send control signals on line of electric force, the second electric power networks bridge module, the 3rd electric power networks bridge module, the 4th electric power networks bridge module, the 5th electric power networks bridge module and the 6th electric power networks bridge module receive the control signal sending from line of electric force and are transmitted to corresponding to equipment, from equipment, respectively the device address information control signal is judged, steering order action from equipment execution control signal corresponding to device address information in control signal, describedly from equipment, comprise other display units or luminance sensor unit, desk lamp with dimmer switch unit or curtain unit.
In sum, splicing display device control system of the present invention is by replacing traditional netting twine and twisted-pair feeder using line of electric force as communications carrier, save a large amount of wire rods, avoid the splicing display device in disorder problem that connects up behind, and can reduce difficulty of construction and cost of equipment, protect to greatest extent existing paving spider lines, make display unit or luminance sensor unit, desk lamp with dimmer switch unit or curtain unit, processor unit is connected with line of electric force by electric power networks bridge module, and then be connected in electric power networks, between each unit, there is the link of intercommunication mutually, without external bridge, and controller unit is controlled the front brightness of screen of splicing display device, according to the definite background light pattern of controller unit, carrying out smart brightness regulates.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as limitation of the scope of the invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with claims.
Claims (10)
1. a splicing display device control system, is characterized in that: comprise controller unit, the first electric power networks bridge module and the second electric power networks bridge module that connects respectively the display unit of splicing display device; Described controller unit is connected with line of electric force by the first electric power networks bridge module, and described display unit is connected with described line of electric force by the second electric power networks bridge module;
Described controller unit outputs control signals to described the first electric power networks bridge module according to control operation, and described the first electric power networks bridge module is loaded on described control signal on described line of electric force; Described the second electric power networks bridge module obtains described control signal from described line of electric force, and described control signal is sent to corresponding display unit.
2. splicing display device control system according to claim 1, it is characterized in that: also comprise the 3rd electric power networks bridge module and the 4th electric power networks bridge module, described the 3rd electric power networks bridge module connects luminance sensor unit, described the 4th electric power networks bridge module connects desk lamp with dimmer switch unit, described luminance sensor unit is connected with described line of electric force by the 3rd electric power networks bridge module, and described desk lamp with dimmer switch unit is connected with described line of electric force by the 4th electric power networks bridge module;
The 3rd electric power networks bridge module, the 4th electric power networks bridge module obtain described control signal from described line of electric force respectively, and described control signal is sent to corresponding luminance sensor unit, desk lamp with dimmer switch unit.
3. splicing display device control system according to claim 2, it is characterized in that: described controller unit sends inquiry control signal poll luminance sensor unit, obtain the brightness value of luminance sensor unit inspection, and sending dimming control signal to corresponding desk lamp with dimmer switch unit according to the brightness value of luminance sensor unit inspection, desk lamp with dimmer switch unit is according to brightness before the screen of dimming control signal control splicing display device.
4. splicing display device control system according to claim 1, it is characterized in that: also comprise the 5th electric power networks bridge module, described the 5th electric power networks bridge module connects curtain unit, described curtain unit is connected with described line of electric force by the 5th electric power networks bridge module, and described curtain unit is connected with described line of electric force by the 5th electric power networks bridge module;
The 5th electric power networks bridge module obtains described control signal from described line of electric force, and described control signal is sent to corresponding curtain unit.
5. according to the splicing display device control system described in claim 1 or 2 or 4, it is characterized in that: the inner respectively corresponding device address in described display unit or luminance sensor unit, desk lamp with dimmer switch unit or curtain unit, described control signal comprises device address information;
Described display unit or luminance sensor unit, desk lamp with dimmer switch unit or curtain unit judge device address information respectively, the steering order action that in control signal, control signal is carried out in display unit corresponding to device address information or luminance sensor unit, desk lamp with dimmer switch unit or curtain unit.
6. according to the splicing display device control system described in claim 1 or 2 or 4, it is characterized in that: described controller unit storage inside has device registration chained list, device registration chained list comprises device registration structure, corresponding stored is from the device address of equipment respectively for each device registration structure, and device registration structure links by the size of the device address of corresponding stored from small to large end to end;
Wherein, describedly from equipment, comprise display unit, or describedly from equipment, comprise display unit, luminance sensor unit and desk lamp with dimmer switch unit, or describedly from equipment, comprise display unit, luminance sensor unit, desk lamp with dimmer switch unit and curtain unit.
7. according to the splicing display device control system described in claim 1 or 2 or 4, it is characterized in that, the control signal format content that described controller unit sends comprises: packet header, and length is 8bit; System identifier, length is 8bit; Address code, length is 8bit; Device type, length is 8bit; Command code, length is 8bit; Data length, length is 8bit; Numeric data code is the longest, and length is 256*8bit; Check code, length is 16bit.
8. splicing display device control system according to claim 7, is characterized in that, described command code form and corresponding command specification content comprise: command code 0, and corresponding command specification is inquiry; Command code 1, corresponding command specification is feedback information; Command code 2, corresponding command specification is for reading register; Command code 3, corresponding command specification is for writing register; Command code 4, corresponding command specification is switching on and shutting down; Command code 5, corresponding command specification is light modulation; Command code 6, corresponding command specification is deviation post.
9. splicing display device control system according to claim 7, is characterized in that: described device type and corresponding device type declaration content comprise: device type 0, and corresponding device type declaration is desk lamp with dimmer switch unit; Device type 1, corresponding device type declaration is curtain unit; Device type 2, corresponding device type declaration is switchgear; Device type 3, corresponding device type declaration is luminance sensor unit; Device type 4, corresponding device type declaration is display unit; Device type 5, corresponding device type declaration is controller unit.
10. according to the splicing display device control system described in claim 1 or 2 or 4, it is characterized in that: described controller unit is placed in a wherein display unit of splicing display device.
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| CN105915380A (en) * | 2016-04-19 | 2016-08-31 | 广东威创视讯科技股份有限公司 | Fault management method and device |
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| CN102509534A (en) * | 2011-11-11 | 2012-06-20 | 刘显福 | Method and device for realization of combined LED display based on network |
| CN202502710U (en) * | 2012-01-12 | 2012-10-24 | 上海灵信信息科技有限公司 | LED display screen control system based on power carrier transmission |
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| CN105551418A (en) * | 2016-02-04 | 2016-05-04 | 刘剑冰 | Switch for freely switching power supply signals and power supply signal switching method |
| CN105551418B (en) * | 2016-02-04 | 2018-03-02 | 深圳市科美芯光电技术有限公司 | A kind of power supply signal free switching switch and its power supply signal switching method |
| CN105915380A (en) * | 2016-04-19 | 2016-08-31 | 广东威创视讯科技股份有限公司 | Fault management method and device |
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Address after: 510670 Guangdong Province, Guangzhou high tech Industrial Development Zone Kezhu Road No. 233 Patentee after: Wei Chong group Limited by Share Ltd Address before: 510663 Guangzhou province high tech Industrial Development Zone, Guangdong, Cai road, No. 6, No. Patentee before: Guangdong Weichuangshixun Science and Technology Co., Ltd. |
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