CN102043135A - Method and device for detecting equipment indicator light in real time - Google Patents
Method and device for detecting equipment indicator light in real time Download PDFInfo
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- CN102043135A CN102043135A CN2009101784617A CN200910178461A CN102043135A CN 102043135 A CN102043135 A CN 102043135A CN 2009101784617 A CN2009101784617 A CN 2009101784617A CN 200910178461 A CN200910178461 A CN 200910178461A CN 102043135 A CN102043135 A CN 102043135A
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Abstract
The invention discloses a method and device for detecting an equipment indicator light in real time, which is used for solving the problems of complex detection process and low detection efficiency during detecting the function of an intelligent equipment indicator light. The method comprises: a first control unit receiving a real-time detection signal controls each indicator light connected on the first control unit to start up after time delay according to the time delay information for starting the indicator light of the first control unit; and the first control unit determines whether each indicator light is normal or not according to the starting situation of each indicator light. Because the indicator light in the embodiment of the invention is connected on the control unit, when receiving the real-time detection signal, the control unit controls the starting of the indicator light according to the time delay information, so each indicator light is controlled by the control unit, thus the purpose of simultaneously detecting the indicator light is realized, and the detection efficiency of the indicator light is effectively improved.
Description
Technical field
The present invention relates to field of embedded technology, relate in particular to a kind of method and device of real-time checkout equipment pilot lamp.
Background technology
Continuous development along with information-based and automaticity, increasing smart machine incorporates our life, for example household electrical appliance, communication facilities etc., the general automatic operation of these smart machines need not manual intervention, and its concrete running status identifies by the status indicator lamp of settling.
The state of general intelligence equipment has multiple, therefore can identify by multiple pilot lamp, the different state of each pilot lamp sign, for example can may be mounted with the run indicator whether this smart machine of sign moves on the smart machine, the operation exception pilot lamp whether sign operation is unusual, normally whether identification service the service exception pilot lamp, and whether sign carries out the signal transmitting and receiving pilot lamp of signal transmitting and receiving etc.
Each pilot lamp of smart machine is lighted according to the rule of setting, extinguish or glimmer, because the different conditions of different pilot lamp sign smart machine, these pilot lamp light simultaneously or the state that extinguishes seldom, for example it may extinguish when smart machine normally moves for the operation exception pilot lamp, and the service exception pilot lamp also extinguishes, and run indicator is lighted, when appearring in smart machine, satisfied operation exception condition just lights, to identify this smart machine operation exception, and the service exception pilot lamp also may be lighted, and run indicator may be extinguished.
And when regularly smart machine being detected, whether the deixis that generally needs to detect each pilot lamp is normal, determines promptly whether each pilot lamp can be lighted normally, extinguishes or glimmer, thus the state of the sign smart machine whether definite pilot lamp can be correct.And the different state of each pilot lamp sign on the smart machine, when its condition of lighting does not satisfy always, it may be in always and extinguish state, therefore can't judge directly whether the deixis of this pilot lamp is normal, smart machine can only be disassembled, import it at each pilot lamp and satisfy imposing a condition of lighting or glimmer, could specifically determine, owing to all will import imposing a condition of its correspondence at each pilot lamp, therefore the process that should detect is more loaded down with trivial details, and efficient is lower.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of method and device of while checkout equipment pilot lamp, and when solving prior art to the Function detection of smart machine pilot lamp, testing process is loaded down with trivial details, the problem that detection efficiency is low.
The method of a kind of real-time checkout equipment pilot lamp that the embodiment of the invention provides, described detection method comprises:
First control module receives the real time detection signal of each pilot lamp of control, according to the time delay information of startup pilot lamp of self, delays control linkage each pilot lamp thereon and start when described;
Whether start according to each pilot lamp, determine whether each pilot lamp is normal.
The device of a kind of real-time checkout equipment pilot lamp that the embodiment of the invention provides comprises:
First control module is used to receive the real time detection signal of each pilot lamp of control, according to the time delay information of startup pilot lamp of self, delays control linkage each pilot lamp thereon and start when described;
Whether detecting unit is used for starting according to each pilot lamp, determines whether each pilot lamp is normal.
The embodiment of the invention provides a kind of real-time detection that the method and the device of pilot lamp are set, in this equipment, comprise at least one control module, pilot lamp is connected corresponding on its control module of controlling, receive first control module of real time detection signal, according to the time delay information of startup pilot lamp of self, this the time delay control linkage each pilot lamp thereon and start, when the running status of pilot lamp is identical with the state of presetting, determine that the pilot lamp deixis is normal.Owing in embodiments of the present invention pilot lamp has been connected on the control module, after control module receives real time detection signal, can realize start-up control according to the time delay information of himself to pilot lamp, thereby realize by the control of control control module realization to each pilot lamp, therefore reach the purpose of real-time checkout equipment pilot lamp, and effectively raised the efficient that pilot lamp detects.
Description of drawings
The process that when Fig. 1 provides for the embodiment of the invention smart machine pilot lamp is detected;
When providing for the embodiment of the invention, Fig. 2 starts the process of smart machine pilot lamp;
The control module of the real time detection signal of other unit forwards of reception that Fig. 3 A provides for the embodiment of the invention, the process that the control pilot lamp starts;
When having a control module in the smart machine that Fig. 3 B provides for the embodiment of the invention, realize the syndeton synoptic diagram that detects simultaneously;
When having a plurality of control module in the smart machine that Fig. 4 provides for the embodiment of the invention, realize the syndeton synoptic diagram that detects simultaneously;
The realization based on the syndeton among Fig. 4 that Fig. 5 provides for the embodiment of the invention detects the process of pilot lamp simultaneously;
The apparatus structure synoptic diagram of checkout equipment pilot lamp when Fig. 6 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention is in order to simplify the step of pilot lamp Function detection, improve the efficient of pilot lamp Function detection, a kind of method that pilot lamp is set that detects simultaneously is provided, in this equipment, comprise at least one control module, pilot lamp is connected corresponding on its control module of controlling, receive first control module of the real time detection signal of each pilot lamp of control, according to the time delay information of startup pilot lamp of himself, this the time delay control linkage each pilot lamp thereon and start, when the running status of pilot lamp is identical with default state, determine that the pilot lamp deixis is normal.Owing in embodiments of the present invention pilot lamp has been connected on the control module, after control module receives real time detection signal, can realize start-up control according to the time delay information of himself to pilot lamp, thereby realize by the control of control control module realization to each pilot lamp, therefore reach the purpose of checkout equipment pilot lamp simultaneously, and effectively raised the efficient that pilot lamp detects.
Below in conjunction with Figure of description, the embodiment of the invention is elaborated.
Control module can be CPU (central processing unit) (Center Process Unit in the embodiment of the invention, CPU), also can be field programmable gate array (Field Programmable Gate Array, FPGA) chip, also can be that other can realize the parts controlled, can certainly be made of above-mentioned several unit constructions, for example the control module of being made up of fpga chip and CPU can also comprise control knob in this control module.Therefore can be in concrete control procedure by the control of software realization to each control module, i.e. real time detection signal by external software input, also can be by the control of hardware realization to each control module, promptly, realize control to each control module by real time detection signal to the control knob input.
Owing to all may have the pilot lamp of indicating this running state of single plate on the every veneer of smart machine, and the running LED of different control module CPU and/or fpga chip control is also inequality on this veneer, in order to realize control, the pilot lamp of the every block control unit control in the smart machine can be connected in this corresponding control unit by control line in embodiments of the present invention different running LEDs.In order to realize the connection of different control units on the veneer, and the connection of control module on the various boards, every circuit board can be coupled together by connection in embodiments of the present invention, thereby realize between the different control units physically connection.Also all pilot lamp can be connected on the control module in embodiments of the present invention, by the control of this control module realization to each pilot lamp, but the certain distance in ground be arranged between can the position distribution of pilot lamp, therefore all pilot lamp are connected on the control module and on physical connection, can have certain difficulty.
The process of Fig. 1 for simultaneously the smart machine pilot lamp being detected in the embodiment of the invention, this process may further comprise the steps:
S101: receive first control module of real time detection signal of each pilot lamp of control,, when described, delay control linkage each pilot lamp thereon and start according to the time delay information of startup pilot lamp of himself.
First control module reception real time detection signal can be the real time detection signal that this first control module directly passes through software or imports by control knob in embodiments of the present invention, also can be that second control module directly receives the real time detection signal that passes through software or import by control knob, and second control module send to first control module with this real time detection signal.
When first control module directly received by software or the real time detection signal by control knob input, the time delay information that first control module can be preserved according to this locality started timer, this time delay control linkage each pilot lamp thereon and start.
When second control module is forwarded to first control module with described real time detection signal, second control module communication time delay information that also will determine and first control module has sent to first control module, first control module is according to this communication time delay, start timer, when this communication, delay control linkage each pilot lamp thereon and start.
S102: when the running status of pilot lamp is identical with default state, determine that the deixis of this pilot lamp is normal.
Wherein the deixis of pilot lamp normally comprises: when the default state of pilot lamp was startup, pilot lamp started, and determines that the deixis of pilot lamp is normal, otherwise, determine that the deixis of pilot lamp is undesired; When the default state of pilot lamp when extinguishing after lighting setting-up time, when extinguishing after pilot lamp has been lighted setting-up time, then the deixis of definite pilot lamp is normal, otherwise, determine that the deixis of pilot lamp is undesired; When the default state of pilot lamp extinguishes when hocketing set point number for lighting, this pilot lamp light according to default number of times and extinguish alternately the time, then the deixis of definite pilot lamp is normal, otherwise, determine that the deixis of pilot lamp is undesired.
In the said method of the embodiment of the invention, determine specifically to comprise when second control module with the method for the communication time delay of first control module, second control module record sends to described real time detection signal the moment of first control module, according to the moment of the response message that receives described first control module, determine communication time delay with described first control module.
First control module starts timer according to the time delay of this unit of this locality preservation in the above embodiment of the present invention.Wherein the time delay of local this unit of preserving in first control module can be according to the statistics time delay value of determining with communication time delay each second control module that determine.And because each control module can be first control module, so the time delay value of local this unit preserved of each control module can be all identical.
When comprising plural control module in the smart machine, having a control module is directly to receive the real time detection signal that passes through software or import by control knob, and the real time detection signal of other control module all is that this control module is transmitted.Therefore at this control module and other control module, description control connects the process of the startup of pilot lamp thereon respectively.
For the control module of direct reception by software or the real time detection signal by control knob input, the time delay information that this control module is preserved according to this locality starts timer, and each pilot lamp that control is connected on it when this time delay arrives starts.
For receiving the control module that this control module is transmitted, the process that its control pilot lamp starts as shown in Figure 2, this process may further comprise the steps:
S201: each control module judges whether to receive real time detection signal, when judged result when being, carry out S202, otherwise carry out S201.
Wherein, this real time detection signal is the signal of each pilot lamp of control, can be the real time detection signal by the software Input Control Element, also can be the real time detection signal of promptly importing by control knob by hardware.
S202: receive second control module of real time detection signal, this real time detection signal is sent to each first control module, and second control module record sends to real time detection signal the moment of each first control module.
Second control module record comprises the moment process that real time detection signal sends to each first control module in embodiments of the present invention: second control module is according to the information of each first control module of preserving, and the record real time detection signal sends to the moment of each corresponding first control module.
S203: when each first control module receives this real time detection signal, return response message to second control module.
S204: second control module is determined the communication time delay with each first control module according to the moment that receives the response message of each first control module.
Determine in embodiments of the present invention to comprise with the communication time delay of each first control module: second control module is according to the moment that receives the response message of each first control module, and record is determined the communication time delay with each first control module to the moment of each first control module transmission real time detection signal.
S205: second control module will be that will determine to send to the first corresponding control module with communication time delay each first control module.
S206: each first control module is controlled the startup of corresponding pilot lamp according to the communication time delay that receives.
Specifically comprise: delay when each first control module receives corresponding communication, start the timer of this unit, when the timer time of this communication time delay arrived, control linkage each pilot lamp thereon started.
Fig. 3 A is at the control module of the control module that directly receives real time detection signal with the real time detection signal that receives other control modules forwardings, the start-up course of control linkage pilot lamp thereon, and this process may further comprise the steps:
S301: each control module judges whether to receive real time detection signal, when judged result when being, carry out S302, otherwise carry out S301.
Wherein, this real time detection signal is the signal of each pilot lamp of control, can be the real time detection signal by the software Input Control Element, also can be the real time detection signal of promptly importing by control knob by hardware.
S302: receive first control module of real time detection signal, this real time detection signal is sent to each second control module, and first control module record sends to real time detection signal the moment of each second control module.
S303: when each second control module receives this real time detection signal, return response message to first control module.
S304: first control module is determined the communication time delay of each second control module according to the moment that receives the response message of each second control module.
S305: the communication time delay of each second control module that first control module will be determined sends to the second corresponding control module.
S306: the time delay information that first control module is preserved according to this locality, control linkage each pilot lamp thereon starts.
Wherein the order of step S305 and step S306 can be exchanged, and the pilot lamp that can realize the control of each control module starts simultaneously basically and gets final product.
S307: each second control module is controlled the startup of corresponding pilot lamp according to the communication time delay that receives.
Fig. 3 B is that the embodiment of the invention is worked as when having a control module in the smart machine, in order to realize that each pilot lamp in the smart machine is detected simultaneously, its syndeton synoptic diagram, wherein, control module comprises CPU and control knob, and CPU links to each other with control knob, draws a control line on the output pin of CPU, connect each running LED respectively by this control line, realize control each running LED.When control knob receives real time detection signal, this real time detection signal is sent to CPU in the control module, control module CPU can not link to each other with control knob yet certainly, directly receives and by software CPU is imported real time detection signal.When CPU received real time detection signal, the time delay information according to preserve this locality started timer, this time delay control linkage each pilot lamp thereon and start.
Fig. 4 is when existing a plurality of control module in the smart machine, its syndeton synoptic diagram, in this syndeton synoptic diagram, there are four circuit boards, comprise a control module on each circuit board, i.e. totally four control modules, these four control modules are respectively control module A, control module B, control module C and control module D, wherein, comprise CPU and control knob among control module A and the control module D, CPU links to each other with control knob, and CPU links to each other with each running LED in this unit by output pin, comprise CPU among control module B and the control module C, fpga chip and control knob, CPU directly links to each other with control knob, and link to each other with fpga chip, the output pin of fpga chip links to each other with each running LED by control line, and the circuit board at four control module places links together by connection simultaneously.
Below in conjunction with the syndeton synoptic diagram of each control module among Fig. 4 and running status lamp, the process of real-time detection pilot lamp is described, as shown in Figure 5, this process may further comprise the steps:
S501: each control module judges whether to receive the real time detection signal of controlling running LED simultaneously by constantly detecting, when judged result when being, carry out S502, otherwise carry out S501.
Wherein under the syndeton of Fig. 4, this real time detection signal can webmaster sends by software, also can promptly send by control knob by hardware.
S502: receive real time detection signal first control module and for example be control module A, this real time detection signal is sent to each second control module, being about to this second control module comprises: control module B, control module C and control module D, and control module A record sends to this real time detection signal the moment of control module B, control module C and control module D.
Owing to connect by connection between the veneer at each control module place, so can carry out the mutual of information between the control module.
S503: when control module B, control module C and control module D received this real time detection signal, A returned response message to control module.
Because what each control module was handled is professional different, and the connection difference between the connection, the moment that therefore may each control module receives this real time detection signal is also different, and it is also different to return moment of response message to control module A.
S504: the moment of the response message that control module B, control module C that control module A basis receives and control module D return, and the moment that real time detection signal is sent to control module B, control module C and control module D of preserving, determine respectively and control module B, control module C and control module D between the communication time delay.
S505: the time delay information that control module A preserves according to this locality for example is 10s, and control linkage each pilot lamp thereon starts according to predetermined mode.
S506: the communication time delay between that control module A will determine and control module B, control module C and the control module D sends to corresponding control unit.
Wherein, the order of step S505 and step S506 can be exchanged.
S507: control module A control linkage running LED thereon starts, control module B, control module C and control module D are according to the communication time delay that receives, when this communication time delay arrived constantly, control linkage running LED thereon started.
S508: when the running status of pilot lamp is identical with default state, determine that the deixis of pilot lamp is normal.
The device of a kind of while checkout equipment pilot lamp that Fig. 6 provides for the embodiment of the invention, this device comprises:
Detecting unit 62 when being used for determining that the running status of pilot lamp is identical with the state of presetting, determines that described pilot lamp deixis is normal.
Described device also comprises:
Described first control module 61 comprises:
First receives subelement 611, is used for directly receiving the real time detection signal that passes through software or import by control knob;
Second receives subelement 612, is used to receive the described real time detection signal that second control module is transmitted.
Described second control module 63 also is used for,
Determine the communication time delay information with described first control module, and described communication time delay information is sent to described first control module.
Described second control module 63 comprises:
Determine subelement 632, be used for determining communication time delay with described first control module according to the moment that receives the response message of described first control module;
Send subelement 633, be used for described communication time delay information is sent to described first control module.
Described first control module 61 also comprises:
The first promoter unit 613, be used for according to second control module that send with communication time delay information described first control module, start timer, when described communication, delay control linkage each pilot lamp thereon and start.
Described first control module 61 also comprises:
The second promoter unit 614 is used for the time delay information according to this locality preservation, starts timer, delays when described, and control linkage each pilot lamp thereon starts.
Described device is positioned at smart machine inside.
The embodiment of the invention provides a kind of method and device that pilot lamp is set that detect simultaneously, in this equipment, comprise at least one control module, pilot lamp is connected corresponding on its control module of controlling, receive first control module of real time detection signal, according to the time delay information of startup pilot lamp of himself, this the time delay control linkage each pilot lamp thereon and start, determine according to the startup situation of each pilot lamp whether each pilot lamp normal.Owing in embodiments of the present invention pilot lamp has been connected on the control module, after control module receives real time detection signal, can be according to the start-up control of its time delay information realization to pilot lamp, thereby realize by the control of control control module realization to each pilot lamp, therefore reach the purpose of checkout equipment pilot lamp simultaneously, and effectively raised the efficient that pilot lamp detects.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (13)
1. the method for a real-time checkout equipment pilot lamp is characterized in that, described detection method comprises:
First control module receives the real time detection signal of each pilot lamp of control, according to the time delay information of startup pilot lamp of self, delays control linkage each pilot lamp thereon and start when described;
When the running status of pilot lamp is identical with default state, determine that described pilot lamp deixis is normal.
2. the method for claim 1 is characterized in that, the real time detection signal that described first control module receives each pilot lamp control comprises:
Described first control module directly receives the real time detection signal that passes through software or import by control knob; Or,
Second control module directly receives the real time detection signal that passes through software or import by control knob, and described second control module is forwarded to described first control module with described real time detection signal.
3. method as claimed in claim 2, it is characterized in that, when first control module directly receives by software or the real time detection signal by control knob input, the time delay information of described startup pilot lamp according to self, when described, delay control linkage each pilot lamp thereon and start and comprise:
The time delay information that described first control module is preserved according to this locality starts timer, delays when described, and control linkage each pilot lamp thereon starts.
4. method as claimed in claim 2, it is characterized in that, when described second control module is forwarded to first control module with described real time detection signal, the time delay information of described startup pilot lamp according to self, when described, delay control linkage each pilot lamp thereon and start and comprise:
Described second control module communication time delay information that will determine and described first control module sends to described first control module;
Described first control module starts timer according to described communication time delay, delays control linkage each pilot lamp thereon and start when described communication.
5. method as claimed in claim 4 is characterized in that, described definite communication time delay with described first control module comprises:
Described second control module record sends to described real time detection signal the moment of first control module;
According to the moment of the response message that receives described first control module, determine communication time delay with described first control module.
6. the method for claim 1 is characterized in that, described control module comprises:
In central processor CPU and the on-site programmable gate array FPGA chip one or all, when described control module comprised CPU or FPGA, described control module also comprised control knob.
7. the device of a real-time checkout equipment pilot lamp is characterized in that, described device comprises:
First control module is used to receive the real time detection signal of each pilot lamp of control, according to the time delay information of startup pilot lamp of self, delays control linkage each pilot lamp thereon and start when described;
Detecting unit when being used for determining that the running status of pilot lamp is identical with the state of presetting, determines that described pilot lamp deixis is normal.
8. device as claimed in claim 7 is characterized in that, described device also comprises:
Second control module is used for directly receiving the real time detection signal that passes through software or import by control knob, and described real time detection signal is forwarded to described first control module.
9. device as claimed in claim 8 is characterized in that, described first control module comprises:
First receives subelement, is used for directly receiving the real time detection signal that passes through software or import by control knob;
Second receives subelement, is used to receive the described real time detection signal that second control module is transmitted.
10. device as claimed in claim 8 is characterized in that, described second control module also is used for,
Determine the communication time delay information with described first control module, and described communication time delay information is sent to described first control module.
11. device as claimed in claim 10 is characterized in that, described second control module comprises:
The record subelement is used to write down the moment that described real time detection signal is sent to described first control module;
Determine subelement, be used for determining communication time delay with described first control module according to the moment that receives the response message of described first control module;
Send subelement, be used for described communication time delay information is sent to described first control module.
12. device as claimed in claim 11 is characterized in that, described first control module also comprises:
The first promoter unit, be used for according to second control module that send with communication time delay information described first control module, start timer, when described communication, delay control linkage each pilot lamp thereon and start.
13. device as claimed in claim 7 is characterized in that, described first control module also comprises:
The second promoter unit is used for the time delay information according to this locality preservation, starts timer, delays when described, and control linkage each pilot lamp thereon starts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101784617A CN102043135A (en) | 2009-10-10 | 2009-10-10 | Method and device for detecting equipment indicator light in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101784617A CN102043135A (en) | 2009-10-10 | 2009-10-10 | Method and device for detecting equipment indicator light in real time |
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| CN102043135A true CN102043135A (en) | 2011-05-04 |
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| CN2009101784617A Pending CN102043135A (en) | 2009-10-10 | 2009-10-10 | Method and device for detecting equipment indicator light in real time |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107992400A (en) * | 2017-12-15 | 2018-05-04 | 郑州云海信息技术有限公司 | A kind of method for detecting hard disk indication lamp state in storage system |
| CN113907638A (en) * | 2020-07-07 | 2022-01-11 | 东芝生活电器株式会社 | Electric vacuum cleaner |
| CN117388663A (en) * | 2023-12-12 | 2024-01-12 | 深圳市利珲照明有限公司 | LED lamp strip processing detection method and system based on multi-source data analysis |
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| CN1111356A (en) * | 1994-12-29 | 1995-11-08 | 东南大学 | Controller for automatic detecting status of emergency lamp |
| CN2381092Y (en) * | 1999-07-16 | 2000-05-31 | 大连现代高技术发展有限公司 | Road-lamp managing-detecting system apparatus |
| CN2534767Y (en) * | 2002-03-06 | 2003-02-05 | 桂林市金源通信有限公司 | City public lighting monitoring system |
| JP2003304211A (en) * | 2002-04-08 | 2003-10-24 | Matsushita Electric Ind Co Ltd | Device and method for detecting abnormality of communication control parameter |
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| CN1111356A (en) * | 1994-12-29 | 1995-11-08 | 东南大学 | Controller for automatic detecting status of emergency lamp |
| CN2381092Y (en) * | 1999-07-16 | 2000-05-31 | 大连现代高技术发展有限公司 | Road-lamp managing-detecting system apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107992400A (en) * | 2017-12-15 | 2018-05-04 | 郑州云海信息技术有限公司 | A kind of method for detecting hard disk indication lamp state in storage system |
| CN113907638A (en) * | 2020-07-07 | 2022-01-11 | 东芝生活电器株式会社 | Electric vacuum cleaner |
| CN117388663A (en) * | 2023-12-12 | 2024-01-12 | 深圳市利珲照明有限公司 | LED lamp strip processing detection method and system based on multi-source data analysis |
| CN117388663B (en) * | 2023-12-12 | 2024-03-12 | 深圳市利珲照明有限公司 | LED lamp strip processing detection method and system based on multi-source data analysis |
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Application publication date: 20110504 |