CN102142199A - LED (Light-Emitting Diode) traffic indicating device and method for single lane - Google Patents
LED (Light-Emitting Diode) traffic indicating device and method for single lane Download PDFInfo
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- CN102142199A CN102142199A CN2011100242346A CN201110024234A CN102142199A CN 102142199 A CN102142199 A CN 102142199A CN 2011100242346 A CN2011100242346 A CN 2011100242346A CN 201110024234 A CN201110024234 A CN 201110024234A CN 102142199 A CN102142199 A CN 102142199A
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Abstract
The invention relates to an LED (Light-Emitting Diode) traffic indicating device for a single lane, which comprises a display module and a legend control device, wherein the display module is used for displaying graphs; and the legend control device is used for receiving an external control signal and outputting a driving signal to enable the display module to display a traffic control legend corresponding to the external control signal according to the shape and the color of a standard traffic control legend. The LED traffic indicating device and method for the single lane, provided by the invention, have the advantages that the indication is clear and definite because each traffic light is only responsible for the traffic signal indication of the single lane, the efficiency of traffic indication management can be increased, and the possibility of safety accidents is greatly reduced; because the standard traffic indicating legend is used for representing road conditions, the displayed shape and color are consistent to those of the traffic indicating legends, and the misunderstanding of traffic light indicating signals by drivers is avoided; and meanwhile, the traffic indicating device can be replaced as a standard part at any place and is convenient to use.
Description
Technical field
The present invention relates to traffic indication field, more particularly, relate to a kind of LED Traffic Pointed out Device and Method that is used for single track.
Background technology
In the city, it is very general that traffic indicating equipment uses.These traffic indicating equipments usually adopt red, green, yellow three kinds of colors to represent to forbid, allows and warn (promptly in permission and between forbidding as transition).But existing traffic indicating equipment uses a stop-light or one group of stop-light that the traffic of a road is controlled usually, and when in a road a plurality of track being arranged, its indication may bring misunderstanding to the driver; For example, when in the same way track of 4 or 5 was arranged in a road, existing traffic indicating equipment bring misunderstanding may for the driver on certain track; In existing traffic indicating equipment, there are many nonstandard legends, commonly, use color to add some legend and represent, there is the inconsistent problem of color and legend.Simultaneously, because the situation at each crossing is different, existing traffic indicating equipment is normally complete to be mixed up, and when one of them breaks down, can not use a standard component to replace at once, uses comparatively inconvenience.
Summary of the invention
The technical problem to be solved in the present invention is, at above-mentioned some defective habitual, that may bring certain hidden danger of prior art, provide a kind of LED Traffic Pointed out Device and Method that is used for single track color showing, that can be used as the standard component replacement that uses the traffic indication legend of standard and be consistent with this legend meaning.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of LED traffic indicating equipment that is used for single track, comprise the display module that is used for display graphics and accept external control signal and legend control device that output drive signal makes described display module show the pairing traffic control legend of described external control signal according to the shape and the color of standard traffic control legend.
At the LED traffic indicating equipment that is used for single track of the present invention, described display module comprises a plurality of display units that are subjected to described legend control device control respectively, comprises three in described each display unit at the LED that sends red, yellow, green three kinds of colors under the described legend control device control respectively or a LED who sends red, yellow, green three kinds of colors under described legend control device control respectively.
At the LED traffic indicating equipment that is used for single track of the present invention, described figure csr controller comprises the signal receiving unit, the storage unit that is used to store each standard traffic control legend drive signal that are used for receiving external control signal, be used to resolve described external control signal and by described storage unit take out described external control signal the signal recognition unit of corresponding standard traffic control legend drive signal and the drive signal output unit that is used to export the standard traffic control legend drive signal of choosing.
At the LED traffic indicating equipment that is used for single track of the present invention, described signal recognition unit further comprises the external control signal decoding module that is used for receiving, be used for the signal contrast module of the pairing drive signal of numbering of the consistent drive signal of the numbering contrast of drive signal that described decoded result and described storage unit are stored and taking-up and described decoded result.
At the LED traffic indicating equipment that is used for single track of the present invention, described display module is connected by bus with described legend control device, and described bus comprises spi bus.
The invention still further relates to a kind of traffic behavior indicating means that is used for single track, comprise the steps:
A) receive external control signal;
B) to described external control signal decoding, obtain its corresponding drive signal;
C) output described drive signal to display module, make it demonstrate the traffic control legend of standard with identical color and shape.
In traffic behavior indicating means of the present invention, comprise the icon of different shapes and color showing road state in the described standard traffic control legend; Described method also comprises the steps: described icon numbered one by one and form the drive signal based on described display module, stores described numbering and corresponding drive signal thereof.
In traffic behavior indicating means of the present invention, described step B) further comprises the steps: in
B1) the described external control signal of decoding obtains the numbering of its expression standard traffic control legend;
B2) use this numbering to search and take out corresponding drive signal.
In traffic behavior indicating means of the present invention, described display module comprises a plurality of display units, and described each display unit comprises at least three LED that send different colours; The shape of described icon is represented with the different display units in the described display module; The color of described icon is represented with the LED of the different colours in the described display unit.
In traffic behavior indicating means of the present invention, described step C) further comprises in described drive signal is converted to the form that meets the spi bus transmission requirement and is transferred to described display module.
Implement a kind of LED Traffic Pointed out Device and Method that is used for single track of the present invention, has following beneficial effect: because the color of the traffic of the standard of use indication legend and use and this legend regulation shows this legend, so its indication is clear and definite, reduced the possibility that potential safety hazard exists; Simultaneously, because it stores the traffic indication legend of standard, as long as the external control signal difference of input can obtain different conventional signs, so this traffic indicating equipment all can be used as standard component and replaces in any position, it is comparatively convenient to use.
Description of drawings
Fig. 1 is the structural representation that a kind of LED Traffic Pointed out Device and Method embodiment that is used for single track of the present invention installs;
Fig. 2 is the display cell structure synoptic diagram of described embodiment;
Fig. 3 is the structural representation of legend control device among the described embodiment;
Fig. 4 is a traffic behavior indicating means process flow diagram among the described embodiment;
Fig. 5 is the icon that allows right-hand rotation in the traffic control legend;
Fig. 6 does not allow the icon of turning right in the traffic control legend.
Embodiment
Embodiments of the present invention is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 1, in the structural representation that a kind of LED Traffic Pointed out Device and Method embodiment that is used for single track of the present invention installs, above-mentioned LED traffic indicating equipment comprises display module 2 and the legend control device 1 that is used for display graphics, this legend control device 1 is accepted external control signal, is exported the traffic control legend that different drive signals makes display module 2 display standards by the difference of external control signal, and the control signal of this legend control device 1 output also makes the color of above-mentioned display module 2 usefulness and this legend regulation show this legend simultaneously; For example, if the color of the legend that shows regulation is green, then use green this legend that shows; If the color of the legend that shows regulation is red, then with this legend of red display; If the meaning of the legend that shows is warning, then with yellow this legend that shows; Certainly, in other embodiments, transition also can be represented with the flicker of legend itself in the back of the icon that allows in expression several seconds.In the present embodiment, display module 2 comprises a plurality of display units 21, and these display units 21 are close mutually, and many more display units 21 make that the display resolution of display module 2 is high more.As shown in Figure 2, comprise three LED that can send red, yellow, green three kinds of colors respectively in each display unit 21.In the present embodiment, above-mentioned display unit 21 is as the display unit (being equivalent to the point in the bitmap) of above-mentioned display module 2 minimums, and it is made up of shell and three LED, and three LED tightly draw close together in above-mentioned shell.As the display unit of minimum, 211,212 and 213 among three LED(Fig. 2 of above-mentioned display unit 21) drive signal is all from above-mentioned legend control device 1; Simultaneously, three LED of above-mentioned display unit 21 can not lighted simultaneously, and they go up at one time, are controlled by above-mentioned drive signal, only have one and are lighted.
In other embodiments, above-mentioned display unit 21 also can be a LED that can send red, yellow, green three kinds of colors, and such benefit is the area that can reduce as the display unit 21 of pixel, and the image that makes display module 2 show is fine and smooth more.In fact, the LED of this three looks in itself with present embodiment in three LED not different, just when packaged LED, in same LED, make it appear as a LED die package of three LED.
In the present embodiment, as shown in Figure 3, described legend control device 1 comprises signal receiving unit 11, signal recognition unit 12, storage unit 13 and drive signal output unit 14; Wherein, signal receiving unit 11 is used to receive external control signal, storage unit 13 is used to store each standard traffic control legend drive signal, signal recognition unit 12 is used for resolving external control signal and takes out the corresponding standard traffic control legend drive signal of external control signal that receives by storage unit 13, drive signal output unit 14 is used to export the standard traffic control legend drive signal of choosing, and makes display module 2 show specific traffic control legend according to the color of setting.In the present embodiment, above-mentioned signal recognition unit 12 further comprises decoder module 121 and signal contrast module 122, wherein, the external control signal that decoder module 121 is used for receiving is decoded, obtain the represented meaning of said external control signal, and signal contrast module 122 is used for the numbering contrast of the drive signal of described decoded result and storage unit 13 storages and takes out suitable drive signal.In the present embodiment, enter the above-mentioned LED traffic indicating equipment that is used for single track by the external control signal of exporting in the traffic control equipment by above-mentioned signal receiving unit 11, when external control signal after above-mentioned receiving element 11 is received, be sent in the decoder module 121,121 pairs of these signals of decoder module are decoded, obtain the code of the meaning of this external control signal of expression, afterwards, signal contrast module 122 is according to above-mentioned code, in the drive signal that is stored in storage unit 13, search, drive signal in the storage unit 13 is that concrete condition establishment and the storage according to display module 2 is good in advance, (comprise which LED that makes in the driver module 2 is luminous except the concrete drive signal that offers display module 2 in these drive signals, constitute what kind of figure, use which kind of color to show this figure or the like) outside, also have a numbering, this numbering is exactly the code that obtains after the decoding of said external control signal, when signal contrast module 122 finds the numbering identical with above-mentioned code in storage unit 13, with regard to the drive signal of representing this numbering is exactly the desired driving of said external control signal, so, signal contrast module 122 is taken out this drive signal, and be sent to above-mentioned drive signal output unit 14, by drive signal output unit 14 this drive signal is transferred to display module 2.In the present embodiment, display module 2 and described legend control device 1 are connected by bus, and this bus is a spi bus.That is to say, the drive signal output unit 14 that connects display module 2 and legend control device 1 is functional units that above-mentioned drive signal are converted to the data that are suitable for the spi bus transmission, and in display module 2, comprised that equally also the data that will be suitable for the spi bus transformat are converted to the functional module of the format signal that is suitable for driving LED.In other embodiments, above-mentioned bus also can be other bus, and this will decide on the concrete configuration of concrete condition and display module 2.
The invention still further relates to a kind of traffic behavior indicating means, comprise the steps:
Step S11 receives external control signal: in this step, the traffic control equipment output external control signal that control is used for the traffic indicating equipment in single track arrives above-mentioned traffic indicating equipment, and this traffic indicating equipment receives this external control signal.Usually, the said external control signal is also come by bus transfer, for example RS232, RS485 or the like.In the said external control signal was transferred to traffic indicating equipment in the present embodiment, this traffic indicating equipment received this external control signal.
Step S12 decoding said external control signal, obtain the external signal code: as described in the above-mentioned steps, external control signal arrives above-mentioned traffic indicating equipment by bus transfer, so, the external control signal that this traffic indicating equipment receives is to have comprised it to need form information transmitted, that be suitable for transmitting on bus, therefore, in this step, need decode to the above-mentioned external control signal that receives, and obtain the external signal code of the meaning of representing this external control signal expression.Certainly, in above-mentioned decode procedure, need the external signal code be taken out according to the form of above-mentioned bus, form of its transmission data of different buses is different, thereby the method for taking during its decoding also is different.
Step S13 searches the drive signal coding identical with code: in the present embodiment, store the drive signal of the traffic indication legend of all standards in this traffic indicating equipment, that is to say, when these drive signals outputed to display module, the pattern of the luminous demonstration of its driving LED was the traffic indication legend of standard; Simultaneously, the pattern color that these drive signals also make above-mentioned display module show is suitable with the meaning of this pattern representative, that is to say, if the meaning of a pattern is permission, just with green LED this pattern displaying is come out; If the meaning of a pattern is to forbid, that just comes out this pattern displaying with red LED; If the meaning of a pattern is warning, that just comes out this pattern displaying with yellow led.These about the information of color also with above-mentioned drive signal together, simultaneously, above-mentioned each drive signal also comprises a numbering, above-mentioned drive signal is stored in the above-mentioned traffic indicating equipment according to its numbering.The code that the said external control signal is carried is exactly the numbering of drive signal, when to after the external control signal decoding and obtaining its code, just searches this numbering in drive signal.
Step S14 takes out above-mentioned drive signal: in this step, take out the drive signal that finds its numbering in the above-mentioned steps.The entrained code of the numbering of the drive signal that is removed and external control signal is identical.
Step S15 is converted to the form that is suitable for the transmission of drive signal output unit: in the present embodiment, drive signal also arrives display module by bus transfer, therefore, after obtaining drive signal, needs are converted to the form that can transmit with the particular content of this drive signal earlier on above-mentioned bus.With regard to present embodiment, owing to use spi bus transmission drive signal, therefore in this step, the drive signal that needs exactly to choose is converted to the spi bus form, is convenient to transmit on spi bus.In other embodiments, also can be with the above-mentioned drive signal of other bus transfer.
Step S16 transmits drive signal: in this step, above-mentioned drive signal that choose, also process format conversion is transferred to display module, after display module obtains this drive signal, according to the program of setting, the LED that drives wherein is luminous, shows the traffic legend of this drive signal representative.What certainly, the drive signal by bus transfer equally also will be through decode procedure in display module.
Specifically, the conventional sign of turning right such as for example standard permission at present is a green, curved arrow to the right; No right turn is the curved arrow that comprises equally to the right, still, is with a red circle outside it, and is represented to forbid by a slash, and the color of circle and slash is red.Its indicating means is consistent more comprehensively, and colour blindness tritanope can not misread yet.For example, what the legend of allow turning right can be set is encoded to 001, the legend that no right turn be encoded to 002, make drive signal that display module shows a curved arrow green, to the right corresponding, and store with above-mentioned numbering 001; Make display module show curved arrow, a red circle to the right, and represent that by a slash drive signal of forbidding is corresponding with above-mentioned coding 002, and store.In the present embodiment, be encoded to 001, then search and obtain above-mentioned drive signal and be transported to display module, make display module show green, curved arrow (referring to Fig. 5) to the right when what decoder module solved; When the coding that comes out when decoding is 002, finds corresponding drive signal and output to display module according to this numbering equally, make display module show curved arrow, a red circle and red slash (referring to Fig. 6) to the right.Certainly, in the present embodiment, the traffic control legend of above-mentioned standard need at display module obtain its separately drive signal in advance, and these drive signals and numbering thereof are stored in the storage unit.When needs showed a certain legend or icon, as long as the numbering of this icon of output just can show this icon or legend on display module, and its pattern and color were all as broad as long with the traffic control legend of standard.
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 the restriction to claim of the present invention.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, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. LED traffic indicating equipment that is used for single track, it is characterized in that, comprise the display module that is used for display graphics and accept external control signal and legend control device that output drive signal makes described display module show the pairing traffic control legend of described external control signal according to the shape and the color of standard traffic control legend.
2. the LED traffic indicating equipment that is used for single track according to claim 1, it is characterized in that, described display module comprises a plurality of display units that are subjected to described legend control device control respectively, comprises three in described each display unit at the LED that sends red, yellow, green three kinds of colors under the described legend control device control respectively or a LED who sends red, yellow, green three kinds of colors under described legend control device control respectively.
3. the LED traffic indicating equipment that is used for single track according to claim 2, it is characterized in that, described figure csr controller comprises the signal receiving unit, the storage unit that is used to store each standard traffic control legend drive signal that are used for receiving external control signal, be used to resolve described external control signal and by described storage unit take out described external control signal the signal recognition unit of corresponding standard traffic control legend drive signal and the drive signal output unit that is used to export the standard traffic control legend drive signal of choosing.
4. the LED traffic indicating equipment that is used for single track according to claim 3, it is characterized in that described signal recognition unit further comprises the external control signal decoding module that is used for receiving, be used for the signal contrast module of the pairing drive signal of numbering of the consistent drive signal of the numbering contrast of drive signal that described decoded result and described storage unit are stored and taking-up and described decoded result.
5. the LED traffic indicating equipment that is used for single track according to claim 4 is characterized in that, described display module is connected by bus with described legend control device, and described bus comprises spi bus.
6. a traffic behavior indicating means that is used for single track is characterized in that, comprises the steps:
A) receive external control signal;
B) to described external control signal decoding, obtain its corresponding drive signal;
C) output described drive signal to display module, make it demonstrate the traffic control legend of standard with identical color and shape.
7. traffic behavior indicating means according to claim 6 is characterized in that, comprises the icon of different shapes and color showing road state in the described standard traffic control legend; Described method also comprises the steps: described icon numbered one by one and form the drive signal based on described display module, stores described numbering and corresponding drive signal thereof.
8. traffic behavior indicating means according to claim 7 is characterized in that, described step B) in further comprise the steps:
B1) the described external control signal of decoding obtains the numbering of its expression standard traffic control legend;
B2) use this numbering to search and take out corresponding drive signal.
9. the LED traffic indicating equipment that is used for single track according to claim 8 is characterized in that described display module comprises a plurality of display units, and described each display unit comprises at least three LED that send different colours; The shape of described icon is represented with the different display units in the described display module; The color of described icon is represented with the LED of the different colours in the described display unit.
10. traffic behavior indicating means according to claim 9 is characterized in that, described step C) in further comprise described drive signal be converted to the form that meets the spi bus transmission requirement and be transferred to described display module.
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| CN2011100242346A CN102142199A (en) | 2011-01-21 | 2011-01-21 | LED (Light-Emitting Diode) traffic indicating device and method for single lane |
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| CN2011100242346A CN102142199A (en) | 2011-01-21 | 2011-01-21 | LED (Light-Emitting Diode) traffic indicating device and method for single lane |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108475061A (en) * | 2015-11-12 | 2018-08-31 | 诺曼·鲍伊尔 | Unpiloted roadside signs Vehicular system |
| CN111213329A (en) * | 2017-10-12 | 2020-05-29 | 黑拉有限责任两合公司 | Communication system for a motor vehicle |
| WO2023015823A1 (en) * | 2021-08-13 | 2023-02-16 | 浙江欧菲克斯交通科技有限公司 | Handheld controller for traffic indication |
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| CN101436392A (en) * | 2007-11-12 | 2009-05-20 | 乐金显示有限公司 | Apparatus and method for driving liquid crystal display device |
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| WO2023015823A1 (en) * | 2021-08-13 | 2023-02-16 | 浙江欧菲克斯交通科技有限公司 | Handheld controller for traffic indication |
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Application publication date: 20110803 |