CN102289212B - Control chip for online detection - Google Patents
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- CN102289212B CN102289212B CN201110089829.XA CN201110089829A CN102289212B CN 102289212 B CN102289212 B CN 102289212B CN 201110089829 A CN201110089829 A CN 201110089829A CN 102289212 B CN102289212 B CN 102289212B
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Abstract
The invention discloses a control chip for on-line detection, which comprises a detection unit, a feedback unit, a control unit and a storage unit, wherein the detection unit is used for detecting the on-line detection of a control signal; the detection unit is used for detecting the voltage state, the signal communication state and the working temperature of the control chip, generating corresponding voltage data, signal communication data and temperature data and sending the voltage data, the signal communication data and the temperature data to the feedback unit; the feedback unit correspondingly generates chip state data comprising power supply state data, communication state data and temperature state data according to the data, and feeds back and outputs the chip state data in real time; the storage unit is used for storing and updating the chip state data according to a preset condition; the control unit is used for inputting control signals to control each external LED. The invention can detect the voltage state, the communication state and the temperature state of the LED inside the control chip and connected with the control chip in real time on line, and feeds back and outputs the data of each state, thereby conveniently monitoring the use states of the control chip and the LEDs controlled by the control chip in real time.
Description
Technical field
The present invention relates to the control technology of illuminator, particularly relate to the control chip of a kind of on-line checking.
Background technology
Along with large-scale activity the holding in China such as World Expo, the Asian Games, good display platform is provided for China's LED industry, LED shows and has played prior effect in large-scale activity and important events, so the reliability and stability applied at the LED display of large-scale activity, important place etc. are particularly important.
In prior art, form a bigger LED display, generally require the substantial amounts of control chip of use, connected each LED is played the effect of control by each control chip respectively, owing to each control chip typically uses the mode of series connection mutually to cascade, therefore, when some or multiple control chip break down, or, connected LED failure, then other control chips of its cascade all may be affected, seriously, make described LED display cisco unity malfunction, and in the LED of substantial amounts of control chip and magnanimity, look for out of order chip or LED, and its failure cause, generally require the biggest workload.
Therefore, prior art existing defects, need to improve.
Summary of the invention
The technical problem to be solved is, there is provided a kind of and can detect inside it with real-time online and the coupled voltage status of each LED, communication state and state of temperature, and by the feedback output of each status data, thus the control chip of the on-line checking of the convenient use state monitoring described control chip and its each LED controlled in real time.
Technical scheme is as follows: the control chip of a kind of on-line checking, wherein, including detector unit, feedback unit, control unit and memory element；Described detector unit is connected with each unit, and it arranges power supply detection module, communication detection module and temperature detecting module；Described power supply detection module is for detecting the voltage status of described control chip, and generates voltage data and be sent to described feedback unit；Described communication detection module, for detecting the signal communication state of described control chip, generates signal communication data and is sent to described feedback unit；Described temperature detecting module, for detecting the operating temperature of described control chip, generates temperature data, and is sent to described feedback unit；Described feedback unit receives described voltage data, described signal communication data and described temperature data, the corresponding chip status data including power supply state data, communication state data and temperature-status data that generate, and Real-time Feedback output；Described memory element is connected with described feedback unit, is used for storing and updating described chip status data by predetermined condition；Described control unit is used for inputting control signal, with each LED outside control.
Being applied to technique scheme, in described control chip, described feedback unit also sets up fault feedback module, for when described voltage data or described signal communication data occur abnormal, generating fault data and export.
It is applied to each technical scheme above-mentioned, in described control chip, also includes a prewarning unit being connected with described feedback unit, for when described operating temperature exceeds the temperature values that presets, exporting early warning signal.
Being applied to each technical scheme above-mentioned, in described control chip, described prewarning unit also sets up one and pre-sets module, is used for pre-seting described temperature values.
It is applied to each technical scheme above-mentioned, in described control chip, described communication detection module arranges external communication detection sub-module and internal communication detection sub-module, described external communication detection sub-module is for detecting the signal communication state of described control chip and other control chips, and described internal communication detection sub-module is for detecting the signal communication state of the internal each unit of described control chip.
Being applied to each technical scheme above-mentioned, in described control chip, described memory element also sets up a code sub module stored, for storing check code and the numbering code of described control chip.
Being applied to each technical scheme above-mentioned, in described control chip, described feedback unit arranges real-time output module, exports described power supply state data, described communication state data, described temperature value data and described numbering code in real time.
Being applied to each technical scheme above-mentioned, in described control chip, it arranges at least three control passages, is connected with assorted LED by each circuit, and each passage that controls, while exporting described control signal, also exports described check code.
Being applied to each technical scheme above-mentioned, in described control chip, described memory module also sets up an output port, for transferring described power supply state data, described communication state data and the described temperature value data of its storage of output according to external command.
It is applied to each technical scheme above-mentioned, in described control chip, also set up a redundancy fault-tolerant module and at least two data-in ports, the described control signal that each data-in port is mutually redundant for input, and, after being processed by described redundancy fault-tolerant module failure tolerance, it is sent to described control unit.
Using such scheme, the present invention is by arranging detector unit, feedback unit, control unit and memory element；Wherein, described detector unit is for detecting the voltage status of described control chip, signal communication state, operating temperature, and generates the voltage data of correspondence, signal communication data, temperature data, is sent to described feedback unit；Described feedback unit correspondence generates the chip status data including power supply state data, communication state data and temperature-status data, and Real-time Feedback output；Further, store also by described memory element and update described chip status data by predetermined condition；And by described control unit for inputting each LED outside control signal control；Such that it is able to real-time online detects inside control chip and the coupled voltage status of each LED, communication state and state of temperature, and by the feedback output of each status data, shown by outside display unit, or, by outside processing unit processes etc., the convenient use state monitoring described control chip and its each LED controlled in real time.
Accompanying drawing explanation
Fig. 1 is a kind of schematic diagram of the specific embodiment of the invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As shown in Figure 1, present embodiments provide the control chip of a kind of on-line checking, described control chip is during using, can detect inside it with real-time online and the coupled voltage status of each LED, communication state and state of temperature, and by the feedback output of each status data, such that it is able to shown by outside display unit, or, by outside processing unit processes etc., the convenient use state monitoring described control chip and its each LED controlled in real time.
Described control chip includes interconnective detector unit, feedback unit, control unit and memory element.
Wherein, described detector unit is connected with each unit, is connected with described feedback unit, control unit, memory element and other unit the most respectively, and, described detector unit is provided with power supply detection module, communication detection module and temperature detecting module.
Wherein, described power supply detection module is for detecting the voltage status of described control chip, such as, the input voltage state of detection feedback unit, control unit, memory element etc. and output voltage state, and according to each input voltage state and each output voltage state, and the corresponding voltage data generating each unit is sent to described feedback unit.
And, described communication detection module is for detecting the signal communication state of described control chip, such as, detect whether described control chip has control signal input, whether has control signal output, the signal of input whether to there is loss of data or data distortion and described control chip whether according to the mode pre-seted the control signal of input to carry out process etc., and corresponding generate signal communication data and be sent to described feedback unit.
And, described temperature detecting module is for detecting the operating temperature of described control chip, such as, described temperature detecting module can arrange a multiple temperature inductor, and it can arrange the inside of described control chip, or, the surface of described control chip can also be arranged on, sense described control chip inside or the temperature on its surface by each temperature inductor, be to take its mean temperature arranging multiple temperature inductor, and correspondence generates temperature data, and it is sent to described feedback unit.
Described feedback unit receives the described voltage data of each detection module respectively, described signal communication data and described temperature data, and various data are analyzed, corresponding generation includes power supply state data, the chip status data of communication state data and temperature-status data, and Real-time Feedback output, such as, voltage input can have been generated according to described voltage data, no-voltage inputs, voltage input is too low or crosses high voltage status data, or, control signal input can have been generated according to described signal communication data, input without control signal, control signal distortion, the communication state data such as control signal loss of data, or, can also be according to described temperature data, generate described control chip internal temperature state too high or too low, described control chip surface temperature too high or too low equitemperature status data；Further, the relevant data feedback output that will generate.
The described chip status data of feedback output, can be exported and show to outside display unit, can be watched each voltage status, communication state and the state of temperature of described control chip by display.Or, the described chip status data of feedback output, can export to outside control device and process, as input voltage, input control signal and the adjustment foundation of its temperature value of described control chip.Or, the described chip status data of feedback output, it is also possible to output to outside prewarning unit, when beyond the state pre-seted, carry out early warning, to arouse attention, described control chip is safeguarded accordingly.
And, described memory element is connected with described feedback unit, for storing described chip status data, i.e. store described power supply state data, described communication state data and described temperature-status data, and, described memory element also updates described chip status data by predetermined condition, such as, preset per hour every day or weekly, every month timing update described chip status data, thus in limited storage space, can be upgraded in time described chip status data, obtains up-to-date data such that it is able to transfer, and for other purposes.
And, described control unit arranges a data-in port, described control unit is connected with outside control device by described data-in port, by described control device, video signal is converted to control signal, and input to described control unit, described control unit, according to each LED outside the control signal control of input, makes each LED can show the video image that described video signal comprises.
nullOr，Fault feedback module can also be set in described feedback unit，Described fault feedback module is for when described voltage data or described signal communication data occur abnormal，Such as，Voltage input is unstable or too high or too low、Input without control signal、Control signal storage data distortion or loss etc.，The most described fault feedback module is always according to each abnormal data，Generate fault data and export，Wherein，Each data can be pre-seted in described fault feedback module abnormal possible program occurs，So that described fault feedback module is when finding described voltage data or described signal communication data exists abnormal，I.e. generate described fault data and export，By outside display unit、Or prewarning unit、Or indicating member，In time described control chip can be adjusted、Or change、Or reconnect the maintenance works such as circuit.
Or, described control chip can also include a prewarning unit being connected with described feedback unit, such as, described prewarning unit can be with hummer or be a display lamp point, it can embed the surface being fixed on described control chip, and, use waterproof being fixedly installed, described prewarning unit may be used for when described operating temperature exceeds the temperature values that presets, output early warning signal, thus cause the attention of operator, avoid each described control chip to be under too high state of temperature to work, described control chip can be made to burn out, or, avoid each described control chip to be under too low state of temperature to work, the each module that can make described control chip can not normally start.
Or, one can also be also set up in described prewarning unit and pre-set module, module is pre-seted described in arranging, described temperature values can be pre-seted, such as, described temperature values is set and is-40 to 40 DEG C, thus when higher or lower than this temperature values, described prewarning unit sends described early warning signal.
Or, one example is, described communication detection module can also arrange external communication detection sub-module and internal communication detection sub-module, wherein, described external communication detection sub-module is for detecting the signal communication state of described control chip and other control chips, described internal communication detection sub-module is for detecting the signal communication state of the internal each unit of described control chip, thus generate external communication status data and the internal communication status data of correspondence, and send to described feedback unit, so that described communication detection module can detect its inside and outside communication state simultaneously, detection more refines, data are more accurate.
Or, another example is, one code sub module stored can also be set in described memory element, described code sub module stored is for storing check code and the numbering code of described control chip, and wherein, described check code is the check code of the control signal of input, when can input described control signal by described check code, verified by described check code, find whether each control signal exists loss of data or distortion in time, and in time described control signal is repaired；Described numbering code is the code of its place control chip, and each control chip all has the described numbering code that it is exclusive, thus when feedback exports described chip status data it is known that described chip status data come from that with control chip.
Or, described feedback unit arranges real-time output module, described real-time output module in real time export described power supply state data, described communication state data, described temperature value data, i.e. can be with Real-time Feedback institute chip status data, and, described real-time output module is when exporting described chip status data, also export the most described numbering code, so that described chip status data are consistent with the numbering code of described control chip.
Or, further example is, described control chip arranges the control passage of three or more than three, each passage that controls is connected with assorted LED by each circuit, the most described control unit controls passage by each and is connected with assorted LED, each LED of its correspondence is controlled respectively by each control passage, such as, by red LED control passage export described control signal control each red LED, by green LED control passage export described control signal control each green LED, by blue led control passage export described control signal control each blue led；Further, each passage that controls, while exporting described control signal, is also exported described check code, is verified the control signal of each control passage by described check code, makes described control signal more accurate, keeps controlling effect.
Or, described memory module also sets up an output port, described output port may be used for transferring described power supply state data, described communication state data and the described temperature value data of its storage of output according to external command, facilitates the output of each data in described memory module to use.
Or, described control chip also sets up a redundancy fault-tolerant module and two or more data-in port, the described control signal that each data-in port is mutually redundant for input, and, after being processed by described redundancy fault-tolerant module failure tolerance, it is sent to described control unit, the described control signal of the most each data-in port input backups each other, so that when the control signal of a certain or a few data-in port input breaks down, can be by described redundancy fault-tolerant module, select the described control signal of other trouble-free data-in ports to control each LED, make described control chip when controlling each LED, more reliable and more stable.
It should be noted that being mutually combined of above-mentioned each technical characteristic, form each embodiment, should be regarded as the scope that description of the invention is recorded.
It should be appreciated that for those of ordinary skills, can be improved according to the above description or be converted, and all these modifications and variations all should be belonged to the protection domain of claims of the present invention.
Claims (9)
1. the control chip of an on-line checking, it is characterised in that include detector unit, feedback unit, control unit and memory element；
Described detector unit is connected with each unit, and it arranges power supply detection module, communication detection module and temperature detecting module；
Described power supply detection module is for detecting the voltage status of described control chip, and generates voltage data and be sent to described feedback unit；
Described communication detection module, for detecting the signal communication state of described control chip, generates signal communication data and is sent to described feedback unit；
Described temperature detecting module arranges multiple temperature inductor, for detecting the operating temperature of described control chip, takes its mean temperature, and corresponding generation temperature data, and is sent to described feedback unit；
Described feedback unit receives described voltage data, described signal communication data and described temperature data, the corresponding chip status data including power supply state data, communication state data and temperature-status data that generate, and Real-time Feedback output；
Described memory element is connected with described feedback unit, is used for storing and updating described chip status data by predetermined condition；
Described control unit is used for inputting control signal, with each LED outside control；
Described feedback unit also sets up fault feedback module, for when described voltage data or described signal communication data occur abnormal, generating fault data and export.
Control chip the most according to claim 1, it is characterised in that also include a prewarning unit being connected with described feedback unit, for when described operating temperature exceeds the temperature values that presets, exporting early warning signal.
Control chip the most according to claim 2, it is characterised in that described prewarning unit also sets up one and pre-sets module, is used for pre-seting described temperature values.
Control chip the most according to claim 3, it is characterized in that, described communication detection module arranges external communication detection sub-module and internal communication detection sub-module, described external communication detection sub-module is for detecting the signal communication state of described control chip and other control chips, and described internal communication detection sub-module is for detecting the signal communication state of the internal each unit of described control chip.
5. according to the arbitrary described control chip of Claims 1-4, it is characterised in that described memory element also sets up a code sub module stored, for storing check code and the numbering code of described control chip.
Control chip the most according to claim 5, it is characterised in that described feedback unit arranges real-time output module, exports described power supply state data, described communication state data, described temperature-status data and described numbering code in real time.
Control chip the most according to claim 5, it is characterised in that it arranges at least three control passages, is connected with assorted LED by each circuit, each passage that controls, while exporting described control signal, also exports described check code.
Control chip the most according to claim 5, it is characterised in that described memory element also sets up an output port, for transferring described power supply state data, described communication state data and the described temperature-status data of its storage of output according to external command.
Control chip the most according to claim 5, it is characterized in that, also set up a redundancy fault-tolerant module and at least two data-in ports, the described control signal that each data-in port is mutually redundant for input, and, after being processed by described redundancy fault-tolerant module failure tolerance, it is sent to described control unit.
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| CN201110089829.XA CN102289212B (en) | 2011-04-11 | 2011-04-11 | Control chip for online detection |
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| CN101841961A (en) * | 2010-05-19 | 2010-09-22 | 北京中庆微数字设备开发有限公司 | LED control device with current and temperature monitoring function |
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| CN101841961A (en) * | 2010-05-19 | 2010-09-22 | 北京中庆微数字设备开发有限公司 | LED control device with current and temperature monitoring function |
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