CN2457697Y - Digital reverse time counting traffic signal conversion time display screen - Google Patents
Digital reverse time counting traffic signal conversion time display screen Download PDFInfo
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- CN2457697Y CN2457697Y CN00265999U CN00265999U CN2457697Y CN 2457697 Y CN2457697 Y CN 2457697Y CN 00265999 U CN00265999 U CN 00265999U CN 00265999 U CN00265999 U CN 00265999U CN 2457697 Y CN2457697 Y CN 2457697Y
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Abstract
The utility model discloses a digital reverse time counting traffic signal conversion time display screen which can synchronously switch a digital display color with a traffic signal lamp. Two luminescent device arrays composed of mixed and arranged red luminescent devices and mixed and arranged green luminescent devices are arranged on a digital luminescent circuit board, and are respectively used for displaying a unit digit and a ten-bit digit of a second number of the conversion time of the traffic signal. The utility model has the advantages that digital information on the display screen has the same color as the traffic signal lamp and is synchronously switched with the traffic signal lamp. The utility model is helpful to specify a behavior, when a driver and a passerby pass through a crossing, and is favorable to dredge traffic and reduce accidents.
Description
The utility model relates to a kind of digital type display device, particularly relates to a kind of digital countdown display device.
At present, the digital countdown traffic signals conversion display screen that is adopted in the urban traffic signal system separates setting mostly with signal lamp, and its numeral shows mostly by red charactron or the realization of red light emitting diodes array.This digital countdown traffic signals display screen switching time and traffic lights are connected in parallel, when the traffic lights converting colors (becomes green light by red light, perhaps become red light by green light) time, the numeral that shows on this display screen (the second number of certain signal duration that pre-sets) just begins to pursue second in the mode of countdown and successively decreases, pedestrian and driver were known at a glance from the remaining time of next conversion of signals, make them by the crossing time, accomplish to know what's what, help improving the traffic at crossing, the minimizing accident.But, this display screen has following shortcoming simultaneously: its shown numeral is always red, can not change synchronously with the color of traffic lights, mate discordant sensation for a kind of signal lamp of people and display screen, particularly when green traffic lamp is bright, still show red numeral on the digital display screen, two opposite point duty signals have appearred in the sensation of looking from afar the place ahead seemingly: a danger signal (digital display screen) and a green (traffic lights) make pedestrian and driver be at a loss easily.
The purpose of this utility model provides a kind of digital countdown traffic signals display screen switching time that can change Show Color with traffic lights synchronously, and promptly when green traffic lamp was bright, the numeral on the digital countdown display screen is green light simultaneously; When red traffic lights were bright, the numeral on the digital countdown display screen then glowed simultaneously.
The purpose of this utility model is achieved through the following technical solutions: in the ordinary traffic signal command system that is made up of parts such as signal lamp, point duty teleseme and power distribution cabinets, increase a digital countdown traffic signals time conversion display screen, this display screen comprises parts such as digital luminous circuit board, light-emitting element array, photoelectric isolating circuit, single chip machine controlling circuit, rectification circuit, cover plate, waterproof rubber, light shield and shell.Comprise two light-emitting element arrays on this circuit board, these two light-emitting element arrays are used to show the unit numbers and the tens word of traffic signals number second switching time respectively, unit numbers array and tens word array are all for mixing the figure of eight of arranging seven sections strokes that form by emitting red light device and green light emitting device, wherein every section stroke is formed by 2～8 row luminescent devices, and in ranks, luminescent device is all arranged by red, green alternate mode.Each luminescent device all is parallel with a protective resistor.In every section stroke of light-emitting element array, the luminescent device of every kind of color all is one group by 2～16 and is together in series, and then the luminescent device of respectively organizing that color is identical is together in parallel and is installed on the digital luminous circuit board.The size of how many screen curtains of used luminescent device in the whole digital display screen and deciding, screen is big more, requires the digital size that shows big more, and digital stroke is just thick more, and the quantity of luminescent device is just many more.
This digital countdown traffic signals time conversion display screen also comprises a photoelectric isolating circuit, comprises three photoisolators in this photoelectric isolating circuit, and each photoisolator comprises a light emitting diode and a phototriode that is coupled with it.The input end of these three photoisolators links to each other with three signal output parts of point duty teleseme respectively, and its output terminal links to each other with three input ends of single chip machine controlling circuit respectively.The effect of photoelectric isolating circuit is both the signal from traffic command signal machine can be passed to single chip machine controlling circuit, the high voltage from traffic command signal machine output terminal can be cut off outside single chip machine controlling circuit again.
Single chip machine controlling circuit comprises single-chip microcomputer, storer (EPROM and RAM), I/O circuit and driving circuit, its effect is the duty that the signal according to the point duty teleseme that transmits from photoelectric isolating circuit comes emitting red light device array and green light emitting device array on the control figure luminous circuit board, thereby mode with countdown is demonstrated and the traffic lights color temporal information of conversion synchronously.
The effect of rectification circuit is to provide suitable direct supply to digital countdown traffic signals conversion display screen.
Compare with digital countdown traffic signals display screen switching time, advantage of the present utility model is: realized the synchronous conversion of digital display screen and traffic lights Show Color, that has avoided both colors inconsistently gives fascination that pedestrian and driver bring and does not understand, help standard human pilot and the pedestrian behavior when the crossing, help relieving traffic congestion, the minimizing accident.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is the structural drawing of the digital countdown traffic signals of the utility model display screen switching time embodiment;
Fig. 2 is a light emitting diode matrix synoptic diagram in the digital countdown traffic signals of the utility model display screen switching time embodiment;
Fig. 3 is the control circuit block diagram of the digital countdown traffic signals of the utility model display screen switching time embodiment;
Fig. 4 is the circuit connection diagram of the digital countdown traffic signals of the utility model display screen switching time embodiment and traffic lights;
Fig. 5 is the photoelectric isolating circuit synoptic diagram of the signal input part of the digital countdown traffic signals of the utility model display screen switching time embodiment;
Fig. 6 is three kinds of mounting means synoptic diagram of the digital countdown traffic signals of the utility model display screen switching time embodiment and traffic lights.
In Fig. 1～Fig. 6, the digital countdown traffic signals of the utility model display screen switching time comprises parts such as digital luminous circuit board 2, light emitting diode matrix 1, rectification circuit 11, single chip machine controlling circuit 10, cover plate 3, light shield 6, waterproof rubber 4 and shell 5.Numeral luminous circuit board 2 covers the printed circuit board (PCB) of copper for a kind of single face.Comprise two light emitting diode matrixs on this circuit board, these two light emitting diode matrixs are used to show the unit numbers and the tens word of traffic signals number second switching time respectively, unit numbers array and tens word array are all for mixing the figure of eight of arranging seven sections strokes that form by red light emitting diodes spare 8 and green LED 7, wherein every section stroke is formed by 2 row light emitting diodes, and all arranges by red, green alternate mode in the light emitting diode ranks.In every section stroke of light emitting diode matrix 1, the light emitting diode of every kind of color all is one group by 10 and is together in series, and the luminescent device of respectively organizing of same color is together in parallel and is installed on the digital luminous circuit board 2 then.Single chip machine controlling circuit 10 comes the duty of red light emitting diodes array and green LED array on the control figure luminous circuit board 2 according to the signal of the point duty teleseme 12 that transmits from photoelectric isolating circuit 9, thereby mode with countdown is demonstrated and the traffic lights 13 colors temporal information of conversion synchronously.The effect of rectification circuit 11 is that to provide output voltage to digital countdown traffic signals display screen switching time be the direct supply of 30V.Comprise three photoisolators in the photoelectric isolating circuit 9, comprise a light emitting diode and a phototriode that is coupled with it in each photoisolator, the input end of these three photoisolators links to each other with three signal output parts of point duty teleseme 12 respectively, and its output terminal links to each other with three input ends of single chip machine controlling circuit 10 respectively.Photoelectric isolating circuit 9 can pass to single chip machine controlling circuit 10 with the signal from traffic command signal machine 12, will cut off outside single chip machine controlling circuit 10 from the high voltage of traffic command signal machine 12 output terminals again.
For the integrality (promptly not lacking stroke) that guarantees that numeral shows on digital countdown traffic signals display screen switching time; each light emitting diode all is parallel with a protective resistance, to prevent in hundreds and thousands of light emitting diodes that indivedual light emitting diodes damage when not working and the stroke disappearance that causes.
The course of work of the digital countdown traffic signals of the utility model display screen switching time embodiment is as follows: the traffic administration personnel preestablish out the transit time at this crossing on point duty teleseme 12 according to crossing actual traffic flow, when this crossing traffic signal should be changed, point duty teleseme 12 will be exported a control signal on a certain control line in its three output control lines (controlling the traffic lights of red, green, yellow three kinds of colors respectively).These three control lines not only link to each other with the traffic lights of red, green, yellow three kinds of colors respectively, also link to each other with the photoelectric isolating circuit 9 of digital countdown traffic signals display screen switching time simultaneously.So these three control lines are the traffic signals control lines, be again the power lead of digital countdown traffic signals display screen switching time.For instance, when red traffic lights are bright, red eye control line (220V) is lighted the light emitting diode of danger signal photoisolator in the photoelectric isolating circuit 9 of digital countdown traffic signals display screen switching time in a shiny red traffic lights, this light emitting diode and then make the phototriode conducting that is coupled with it, for single chip machine controlling circuit 10 provides a trigger pip, single chip machine controlling circuit is started working, send luminous instruction, drive the red light emitting diodes array and on display screen, demonstrate red temporal information.And the clock signal of this time value and single-chip microcomputer is compared, make the computing of successively decreasing by second, thereby make the shown time figure of digital display screen by successively decreasing second, until being decremented to zero, at this moment under the control of point duty teleseme, greensignal light control line (220V) is lighted the light emitting diode of the green light electric isolator in the photoelectric isolating circuit 9 that numeral makes countdown traffic signals display screen switching time when lighting green traffic lamp, this light emitting diode and then make the phototriode conducting that is coupled with it, for single chip machine controlling circuit 10 provides a trigger pip, single chip machine controlling circuit is started working, send luminous instruction, drive the green LED array and on display screen, demonstrate green temporal information.And the clock signal of this time value and single-chip microcomputer is compared, make the computing of successively decreasing, thereby drive the shown time figure of digital display screen by successively decreasing second, until being decremented to zero by second.The periodic duty that goes round and begins again like this, just played with signal lamp in the effect that shows synchronously of red, green color.
Be worth pointing out, red light emitting diodes 8 in the above-mentioned embodiment and green LED 7 can resemble bundle with the cluster type light emitting diode and replace, and it is basic identical that the cluster type light emitting diode resembles arrangement mode and the light emitting diode matrix in the above-mentioned embodiment of restrainting array.
The digital countdown traffic signals of the utility model display screen switching time can adopt as shown in Figure 6 three kinds of mounting meanss or other mounting means and traffic lights to be complementary.
Claims (2)
1. digital countdown traffic signals display screen switching time, comprise digital luminous circuit board (2), light-emitting element array (1), rectification circuit (11), single chip machine controlling circuit (10), cover plate (3), waterproof rubber (4), light shield (6) and shell parts such as (5), it is characterized in that: comprise two light-emitting element arrays on the digital luminous circuit board (2), these two light-emitting element arrays are used to show the unit numbers and the tens word of traffic signals number second switching time respectively, unit numbers array and tens word array are all for mixing the figure of eight of arranging seven sections strokes that form by emitting red light device (8) and green light emitting device (7), wherein every section stroke is formed by 2～8 row luminescent devices, and luminescent device is expert at, in the row all by red, green alternate mode is arranged; Digital countdown traffic signals display screen switching time also comprises a photoelectric isolating circuit (9), photoelectric isolating circuit (9) comprises three photoisolators, comprise a light emitting diode and a phototriode that is coupled with it in each photoisolator, the input end of these three photoisolators links to each other with three signal output parts of point duty teleseme (12) respectively, and its output terminal links to each other with three input ends of single chip machine controlling circuit (10) respectively.
2. digital countdown traffic signals display screen switching time according to claim 1; it is characterized in that: the luminescent device of every kind of color all is one group by 2～16 and is together in series; and then the luminescent device of respectively organizing that color is identical is together in parallel and is installed on the digital luminous circuit board (2), all is parallel with a protective resistor on each luminescent device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00265999U CN2457697Y (en) | 2000-12-27 | 2000-12-27 | Digital reverse time counting traffic signal conversion time display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00265999U CN2457697Y (en) | 2000-12-27 | 2000-12-27 | Digital reverse time counting traffic signal conversion time display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2457697Y true CN2457697Y (en) | 2001-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00265999U Expired - Fee Related CN2457697Y (en) | 2000-12-27 | 2000-12-27 | Digital reverse time counting traffic signal conversion time display screen |
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| CN (1) | CN2457697Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1700262B (en) * | 2005-03-18 | 2010-10-06 | 南京汉德森科技股份有限公司 | Novel traffic signal system |
-
2000
- 2000-12-27 CN CN00265999U patent/CN2457697Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1700262B (en) * | 2005-03-18 | 2010-10-06 | 南京汉德森科技股份有限公司 | Novel traffic signal system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |