CN102411848A - Dual-function motor vehicle signal lamp - Google Patents
Dual-function motor vehicle signal lamp Download PDFInfo
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- CN102411848A CN102411848A CN2011102088475A CN201110208847A CN102411848A CN 102411848 A CN102411848 A CN 102411848A CN 2011102088475 A CN2011102088475 A CN 2011102088475A CN 201110208847 A CN201110208847 A CN 201110208847A CN 102411848 A CN102411848 A CN 102411848A
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Abstract
The invention provides a dual-function motor vehicle signal lamp, which not only has the conventional dual-color count down function, but also can display a yellow full lamp during count down closing due to signal lamp switching, and can prevent a problem of intertrack crosstalk due to a condition that a count down lamp is not turned on during switching alternation of a red lamp and a green lamp so that misjudgment of turn-off of a signal lamp by a driver is easily caused. The dual-function motor vehicle signal lamp comprises an LED (Light Emitting Diode) light emitting source, a single-chip recognition control circuit, a signal sampling circuit, a power supply circuit and a power switch circuit, wherein the signal sampling circuit is connected with the single-chip recognition control circuit; the single-chip recognition control circuit is connected with the LED light emitting source; the power supply circuit is connected with the single-chip recognition control circuit and the power switch circuit respectively; a power input end of the LED light emitting source is connected with an output end of the power switch circuit; the dual-function motor vehicle signal lamp is characterized in that: the LED light emitting source comprises a yellow full lamp display part and a dual-color count down display part; power input ends of the yellow full lamp display part and the dual-color count down display part are connected with the single-chip recognition control circuit through the power switch circuit respectively; a signal input end of the dual-color count down display part is connected to a shift register; and a pin of the shift register is connected to the single-chip recognition control circuit.
Description
Technical field
The present invention relates to the traffic signals technical field, be specially the double function motor vehicle signal lamp.
Background technology
The existing traffic lights that are used for car lane; General many being reached with the full identical small-sized double-colored countdown lamp of lamp external form by red, yellow, green three chroman lamps formed; The countdown signal lamp in driver's special concern when going across the road in use, and the red green amber period that replaces occurs at signal lamp, because no countdown shows; Driver's erroneous judgement easily closes intertrack crosstalk for signal lamp, thereby influences traffic safety.
Summary of the invention
To the problems referred to above; The invention provides the double function motor vehicle signal lamp; It not only has existing double-colored countdown function and switches and the countdown down periods can show completely lamp of yellow at signal lamp; Can avoid in red light and green light switching alternation procedure, not being prone to cause the driver to judge the problem of closing intertrack crosstalk for signal lamp by accident, guarantee traffic safety owing to the countdown lamp works.
Its technical scheme is such; It comprises LED light emitting source, single-chip microcomputer recognition control circuit, signal sample circuit, power supply circuit, power switch circuit; Said signal sample circuit connects said single-chip microcomputer recognition control circuit; Said single-chip microcomputer recognition control circuit connects said LED light emitting source; Said power supply circuit connects said single-chip microcomputer recognition control circuit and power switch circuit respectively; Said LED light emitting source power input connects said power switch circuit output terminal, it is characterized in that: said LED light emitting source comprises yellow full lamp display part and double-colored countdown display part, and the full lamp display part of said Huang, double-colored countdown display part power input connect into said single-chip microcomputer recognition control circuit through said power switch circuit respectively; Said double-colored countdown display section signal input end is connected to shift register, and said shift register pin is connected to said single-chip microcomputer recognition control circuit.
It is further characterized in that: said power switch circuit comprises red countdown lamp power switch circuit, green countdown lamp power switch circuit and yellow full lamp power switch circuit; Said shift register comprises position demonstration shift register and ten demonstration shift registers; Said double-colored countdown display part comprises LED display part, position and ten LED display parts, LED display part, said position, ten corresponding respectively said position demonstration shift register, ten demonstration shift registers of connecting in LED display part; LED display part, said position comprises LED display part, red position and LED display part, green position, and said ten LED display parts comprise red ten LED display parts and green ten LED display parts; A said redness LED display part, position connects into said position demonstration shift register, ten demonstration shift registers with the form that is total to cathode with the LED of a green LED display part, position, said red ten LED display parts respectively with the LED of green ten LED display parts; Said position demonstration shift register, ten equal pins of demonstration shift register are connected to said single-chip microcomputer recognition control circuit; Connect into said red countdown lamp power switch circuit after the LED pipe of a said redness LED display part, position and said red ten LED display parts and polyphone connect, connect into said green countdown lamp power switch circuit after the LED pipe of a said green LED display part, position and said green ten LED display parts and polyphone connect; The LED pipe string of the full lamp display part of said Huang also connects, and it sends control signal by said single-chip microcomputer recognition control circuit and drives via the full lamp power switch circuit of said Huang; Said signal sample circuit comprises two-way; It is respectively red signal sample circuit and green light signals sample circuit, and said red signal sample circuit and green light signals sample circuit are all through isolating the beacon signal voltage step-down, being connected to said single-chip microcomputer recognition control circuit behind the rectifying and wave-filtering; The external 220V AC power of said power supply circuit, it comprises that digital feed circuit, signal lamp show feed circuit; Said signal lamp shows that feed circuit are divided into three the tunnel through rectifying and wave-filtering, DC voltage-stabilizing after handling, and correspondence connects into said red countdown lamp power switch circuit, green countdown lamp power switch circuit and yellow full lamp power switch circuit respectively; Said digital circuit feed circuit are divided into three the tunnel and supply with said single-chip microcomputer recognition control circuit, each said power switch circuit and said shift register respectively after rectifying and wave-filtering, DC voltage-stabilizing are handled.
A kind of double function motor vehicle signal lamp of the present invention, the yellow caution of its collection is shown in one with red, green double-colored countdown number, does not need red, the green countdown lamp of independent installation again; Red, green double-colored countdown of the present invention is digital when red light and green light switch alternately shows that directly switching to yellow full lamp shows, the driver is when paying close attention to that countdown is digital to be shown, in case the digital demonstration of countdown stops like this; Yellow full lamp starts simultaneously; Driver's notice does not also shift, and amber light is just bright, can avoid so in the past not showing because of the countdown lamp because of red light and green will the switching when replacing; And amber light is independent setting; On same lamp, do not show, thereby be prone to cause the automobile driver erroneous judgement problem of intertrack crosstalk to occur, guaranteed traffic safety.
Description of drawings
Fig. 1 is a double function motor vehicle tally circuit theory diagram of the present invention;
Fig. 2 is a double function motor vehicle signal lamp operational scheme block diagram of the present invention.
Embodiment
See Fig. 1; The present invention includes LED light emitting source, single-chip microcomputer recognition control circuit, signal sample circuit, power supply circuit, power switch circuit; Signal sample circuit connects the single-chip microcomputer recognition control circuit; The single-chip microcomputer recognition control circuit connects the LED light emitting source, and power supply circuit connects single-chip microcomputer recognition control circuit and power switch circuit respectively, and LED light emitting source power input connects the power switch circuit output terminal; Wherein the LED light emitting source comprises yellow full lamp display part and double-colored countdown display part; Yellow full lamp display part, double-colored countdown display part power input connect into said single-chip microcomputer through said power switch circuit respectively, and double-colored countdown display section signal input end is connected to shift register, and the shift register pin is connected to the single-chip microcomputer recognition control circuit.Power switch circuit comprises red countdown lamp power switch circuit, green countdown lamp power switch circuit and yellow full lamp power switch circuit; Shift register comprises position demonstration shift register and ten demonstration shift registers; Double-colored countdown display part comprises LED display part, position and ten LED display parts, LED display part, individual position, ten a corresponding respectively position demonstration shift register, ten demonstration shift registers of connecting in LED display part; LED display part, individual position comprises LED display part, red position and LED display part, green position, and ten LED display parts comprise red ten LED display parts and green ten LED display parts; A redness LED display part, position connects into said position demonstration shift register, ten demonstration shift registers with the form that is total to cathode with the LED of LED display part, green individual position, red ten LED display parts respectively with the LED of green ten LED display parts; Individual position demonstration shift register, ten equal pins of demonstration shift register are connected to said single-chip microcomputer recognition control circuit; The bar section (a-g) of the LED charactron of LED display part, red position, red ten LED display parts is totally 14 sections sun and receive red countdown lamp power switch circuit altogether; The bar section (a-g) of LED display part, green position, green ten LED display part charactrons is totally 14 sections sun and receive green countdown power switch circuit altogether; Connect into red countdown lamp power switch circuit after the LED pipe of LED display part, red position and red ten LED display parts and polyphone connect, connect into green countdown lamp power switch circuit after the LED pipe of LED display part, green position and green ten LED display parts and polyphone connect; Through string and connection, it sends control signal by the single-chip microcomputer recognition control circuit and drives via the full lamp power switch circuit of Huang by a plurality of LED in yellow full lamp display part; Signal sample circuit comprises two-way; It is respectively red signal sample circuit and green light signals sample circuit, and red signal sample circuit and green light signals sample circuit are all through isolating the beacon signal voltage step-down, being connected to the single-chip microcomputer recognition control circuit behind the rectifying and wave-filtering; The external 220V AC power of power supply circuit, it comprises that digital feed circuit, signal lamp show feed circuit, digital feed circuit, signal lamp show that feed circuit include current rectifying and wave filtering circuit and direct current regulation circuit; Signal lamp shows that feed circuit are divided into three the tunnel through rectifying and wave-filtering, DC voltage-stabilizing after handling, and correspondence connects into red countdown lamp power switch circuit, green countdown lamp power switch circuit and yellow full lamp power switch circuit respectively; The output terminal of digital circuit feed circuit is divided into three the tunnel and supplies with single-chip microcomputer recognition control circuit, each power switch circuit and shift register respectively.
Specifically describe the course of work of the present invention below: see Fig. 1 and Fig. 2; The traffic light signal source provides red light or green light signals to signal sample circuit; After signal sample circuit step-down, rectification, isolation and filtering, pass to the single-chip microcomputer recognition control circuit; After single-chip microcomputer recognizes red signal or green light signals; The single-chip microcomputer recognition control circuit is through ten demonstration shift registers of control, individual position demonstration shift register and red countdown lamp power switch circuit or green countdown lamp power switch circuit, and the digital bar section of carrying out red light or green light shows; When the signal that receives when the single-chip microcomputer recognition control circuit was non-red light, green light signals, then the yellow full lamp power switch circuit of single-chip microcomputer recognition control circuit control was opened, and signal lamp is shown as yellow full lamp.
Claims (8)
1. double function motor vehicle signal lamp; It comprises LED light emitting source, single-chip microcomputer recognition control circuit, signal sample circuit, power supply circuit, power switch circuit; Said signal sample circuit connects said single-chip microcomputer recognition control circuit; Said single-chip microcomputer recognition control circuit connects said LED light emitting source; Said power supply circuit connects said single-chip microcomputer recognition control circuit and power switch circuit respectively; Said LED light emitting source power input connects said power switch circuit output terminal, it is characterized in that: said LED light emitting source comprises yellow full lamp display part and double-colored countdown display part, and the full lamp display part of said Huang, double-colored countdown display part power input connect into said single-chip microcomputer recognition control circuit through said power switch circuit respectively; Said double-colored countdown display section signal input end is connected to shift register, and said shift register pin is connected to said single-chip microcomputer recognition control circuit.
2. double function motor vehicle signal lamp according to claim 1 is characterized in that: said power switch circuit comprises red countdown lamp power switch circuit, green countdown lamp power switch circuit and yellow full lamp power switch circuit.
3. double function motor vehicle signal lamp according to claim 2 is characterized in that: said shift register comprises position demonstration shift register and ten demonstration shift registers.
4. a kind of double function motor vehicle signal lamp according to claim 3; It is characterized in that: said double-colored countdown display part comprises LED display part, position and ten LED display parts, LED display part, said position, ten corresponding respectively said position demonstration shift register, ten demonstration shift registers of connecting in LED display part.
5. double function motor vehicle signal lamp according to claim 4; It is characterized in that: LED display part, said position comprises LED display part, red position and LED display part, green position, and said ten LED display parts comprise red ten LED display parts and green ten LED display parts; A said redness LED display part, position connects into said position demonstration shift register, ten demonstration shift registers with the form that is total to cathode with the LED of a green LED display part, position, said red ten LED display parts respectively with the LED of green ten LED display parts, and said position demonstration shift register, ten equal pins of demonstration shift register are connected to said single-chip microcomputer recognition control circuit.
6. according to the described double function motor vehicle signal lamp of claim 5; It is characterized in that: connect into said red countdown lamp power switch circuit after the LED pipe of a said redness LED display part, position and said red ten LED display parts and polyphone connect, connect into said green countdown lamp power switch circuit after the LED pipe of a said green LED display part, position and said green ten LED display parts and polyphone connect; The LED pipe string of the full lamp display part of said Huang also connects, and it sends control signal by said single-chip microcomputer recognition control circuit and drives via the full lamp power switch circuit of said Huang.
7. double function motor vehicle signal lamp according to claim 6; It is characterized in that: said signal sample circuit comprises two-way; It is respectively red signal sample circuit and green light signals sample circuit, and said red signal sample circuit and green light signals sample circuit are all through isolating the beacon signal voltage step-down, being connected to said single-chip microcomputer recognition control circuit behind the rectifying and wave-filtering.
8. double function motor vehicle signal lamp according to claim 7 is characterized in that: the external 220V AC power of said power supply circuit, and it comprises that digital feed circuit, signal lamp show feed circuit; Said signal lamp shows that feed circuit are divided into three the tunnel through rectifying and wave-filtering, DC voltage-stabilizing after handling, and correspondence connects into said red countdown lamp power switch circuit, green countdown lamp power switch circuit and yellow full lamp power switch circuit respectively; Said digital circuit feed circuit are divided into three the tunnel and supply with said single-chip microcomputer recognition control circuit, each said power switch circuit and said shift register respectively after rectifying and wave-filtering, DC voltage-stabilizing are handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102088475A CN102411848A (en) | 2011-07-25 | 2011-07-25 | Dual-function motor vehicle signal lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102088475A CN102411848A (en) | 2011-07-25 | 2011-07-25 | Dual-function motor vehicle signal lamp |
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| CN102411848A true CN102411848A (en) | 2012-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102088475A Pending CN102411848A (en) | 2011-07-25 | 2011-07-25 | Dual-function motor vehicle signal lamp |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6331824B1 (en) * | 2000-08-10 | 2001-12-18 | Paul A. Firestone | Traffic control signal with displayed time-elapse |
| CN2497373Y (en) * | 2001-05-23 | 2002-06-26 | 刘月清 | Digital display traffic signal lamp |
| US20070176791A1 (en) * | 2006-01-27 | 2007-08-02 | Lev M. Bolotin | Apparatus for displaying the remaining time of a traffic light |
| CN101194299A (en) * | 2005-06-10 | 2008-06-04 | 金钟海 | Multi-purpose signal system for pedestrian and traffic control |
| CN201788588U (en) * | 2010-08-26 | 2011-04-06 | 叶民松 | Display device of traffic signal signs |
| CN202177975U (en) * | 2011-07-25 | 2012-03-28 | 江苏聚慧科技有限公司 | Difunctional signal lamp of motor vehicle |
-
2011
- 2011-07-25 CN CN2011102088475A patent/CN102411848A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6331824B1 (en) * | 2000-08-10 | 2001-12-18 | Paul A. Firestone | Traffic control signal with displayed time-elapse |
| CN2497373Y (en) * | 2001-05-23 | 2002-06-26 | 刘月清 | Digital display traffic signal lamp |
| CN101194299A (en) * | 2005-06-10 | 2008-06-04 | 金钟海 | Multi-purpose signal system for pedestrian and traffic control |
| US20070176791A1 (en) * | 2006-01-27 | 2007-08-02 | Lev M. Bolotin | Apparatus for displaying the remaining time of a traffic light |
| CN201788588U (en) * | 2010-08-26 | 2011-04-06 | 叶民松 | Display device of traffic signal signs |
| CN202177975U (en) * | 2011-07-25 | 2012-03-28 | 江苏聚慧科技有限公司 | Difunctional signal lamp of motor vehicle |
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Application publication date: 20120411 |