CN202013665U - Count down display for road traffic signal - Google Patents
Count down display for road traffic signal Download PDFInfo
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- CN202013665U CN202013665U CN2011201165022U CN201120116502U CN202013665U CN 202013665 U CN202013665 U CN 202013665U CN 2011201165022 U CN2011201165022 U CN 2011201165022U CN 201120116502 U CN201120116502 U CN 201120116502U CN 202013665 U CN202013665 U CN 202013665U
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Abstract
The utility model provides a count down display for road traffic signals. The count down display is arranged at an intersection and is connected with a traffic light controlled by a traffic signal controlling machine. The count down display comprises a light signal input module, an input interface module, a microprocessor module, an output interface module and a count down display module. The light signal input module is used for outputting a high voltage level signal of a red light or a green light; the input interface module is used for transforming the high voltage level signal into a low voltage level signal; the microprocessor module is used for judging the type of the low voltage level signal, detecting the signal in the type for two continuous cycles, and outputting a count down display signal when the detected numerical values are uniform, and a cycle of the low voltage level signal in the type is taken as a count down cycle; the output interface module is used for outputting a seven segment code digital signal; and the count down display module is used for count down displaying for the seven segment code digital signal. The count down display for the road traffic signals can meet the functions of a self-adaptive control system for the urban road traffic signals and can be changed with the continuous changes of the traffic flow and the degree of saturation, thereby realizing the real-time count down display for the traffic lights.
Description
Technical field
The utility model relates to a kind of advanced traffic administration and control technology of intelligent transportation, particularly relates to the required road traffic signal countdown display of a kind of intelligent traffic signal control technology.
Background technology
China's economic construction speed of development is very fast, urban transportation be unable to do without the construction of urban highway traffic facility, road traffic is in advance, effectively the management of urban highway traffic is an important step of alleviating the traffic congestion countermeasure, it is the key that solves urban transport problems, no matter be policy competent authorities, expert scholar, or personages of various circles of society block up to the row of urban transportation and protect the unimpeded analysis and research of carrying out.The urban road traffic network system can for traffic offer high-quality service relevant with the intrasystem character of road of road network, and the whether unimpeded restriction that is subjected to each crossing on this road to a great extent of road.When the crossing has certain volume of traffic, just must take certain suitable control measure could guarantee the unimpeded and safety of traffic to the crossing, therefore traffic signals control is executed in the cause for gossip of satisfying the need just becomes an indispensable link in the urban road network, the traffic capacity of a crossing, vehicle is the fine or not index of reflection intersection signal control by crossing required time and accident rate.
Road traffic signal control outside the controller of traffic signals crossing, also should have the crossing traffic signal lamp except traffic signal control system is arranged.These traffic lights include garage's signal lamp, and walker signal lamp also can divide motor vehicle clearing lamp all over the screen, the clearing lamp of arrow clearing lamp and bicycle and People's Bank of China's clearing lamp.
China all adopts in most of cities the traffic lights that the LED light emitting diode of comparison environmental protection and energy saving is formed at present, and, adopted LED signal countdown display for more accurate, more intuitive clear demonstration vehicle driver and pedestrian can fast and safely pass through the crossing.But now a lot of traffic signals countdown displays all are phase bit, fixed cycle, it can not be changed by the crossing traffic vehicle flowrate, the vehicle saturation degree changes and signal demonstration variation thereupon in real time, and this countdown display does not adapt to adaptive control system control requirement.
The utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of road traffic signal countdown display, to satisfy Traffic Signals in Urban Roads adaptive control system function, and then the existing traffic lights of solution can not carry out intelligent traffic signal countdown demonstration, can not constantly change with special bus flow and saturation degree, and the counting of displaing lamp shows in real time.
Reach other relevant purposes for achieving the above object, the utility model provides a kind of road traffic signal countdown display, be installed in the intersection, and be connected with traffic lights that traffic signal controlling machine is controlled, it is characterized in that described road traffic signal countdown display comprises at least: the modulating signal load module connects described traffic lights, be used to capture the red light or the green light signals of described traffic lights output, and output red light or green light high-voltage level signal; Input interface module connects described modulating signal load module, is used for the high-voltage level conversion of signals of this modulating signal load module output is transmitted for the low voltage level signal; Microprocessor module, connect described input interface module, behind the low voltage level signal that receives this input interface module output, judge this low voltage level signal type, and the low voltage level signal of the type is carried out two consecutive periods detect, and detecting above-mentioned two consecutive periods numerical value when consistent, be countdown cycle output countdown signal according to the one-period of the low voltage level signal of the type; Output interface module connects described microprocessor module, after being used to receive the countdown signal of described microprocessor module output, this countdown conversion of signals is transmitted for the seven segment code digital signal; The countdown display module connects described output interface module, is used to receive the countdown of carrying out the seven segment code numeral after the seven segment code digital signal of described output interface module output and shows.
Road traffic signal countdown display of the present utility model also comprises power module, and in order to external AC ac high voltage is converted to the DC DC voltage with to described input interface module, microprocessor module and output interface module provide required voltage.
In road traffic signal countdown display of the present utility model, the type of described low voltage level signal is red light low voltage level signal and green light low voltage level signal.
In road traffic signal countdown display of the present utility model, described countdown display module is two LED seven segment code digital indicators.Described two LED seven segment code digital indicators comprise external and built-in two kinds.Described countdown display module also has blind person's clock unit, is used for sending default sound according to the countdown display digit, and guiding pedestrian (blind person) safety is passed through street crossing.
Described traffic lights by a traffic signal controlling machine control to carry out light color conversion.
As mentioned above, road traffic signal countdown display of the present utility model compared with prior art, the utility model has been realized intelligent control, be different from other general fixing time, fixed cycle, it is changeless signal countdown display, the utility model utilizes the power of chip microprocessor, forming control module can carry out multidate information and eye-catching time counting in real time and show variation in real time to vehicle drive and the clearest and the most definite traffic signals of pedestrian's street crossing displaying, to greatest extent support vehicles travel and People's Bank of China cross the street traffic safety, can satisfy urban highway traffic adaptive traffic signal control system demand for control fully.
Description of drawings
Fig. 1 is shown as road traffic signal countdown display principles block diagram of the present utility model.
Embodiment
Below by specific instantiation embodiment of the present utility model is described, those skilled in the art can understand other advantages of the present utility model and effect easily by the content that this instructions disclosed.The utility model can also be implemented or be used by other different embodiment, and the every details in this instructions also can be based on different viewpoints and application, carries out various modifications or change under the spirit of the present utility model not deviating from.
See also Fig. 1, Fig. 1 is shown as road traffic signal countdown display principles block diagram of the present utility model.Need to prove, the diagram that is provided in the present embodiment only illustrates basic conception of the present utility model in a schematic way, satisfy only show in graphic with the utility model in relevant assembly but not component count, shape and size drafting when implementing according to reality, kenel, quantity and the ratio of each assembly can be a kind of random change during its actual enforcement, and its assembly layout kenel also may be more complicated.
As shown in the figure, the utility model provides a kind of road traffic signal countdown display 1, be installed in the intersection, and be connected with traffic lights 2 that traffic signal controlling machine 3 is controlled, in the present embodiment, described traffic lights 2 by described traffic signal controlling machine 3 controls to carry out light color conversion.
Described road traffic signal countdown display 1 comprises at least: modulating signal load module 11, input interface module 12, microprocessor module 13, output interface module 14, countdown display module 15, and power module 16.
Described modulating signal load module 11 connects described traffic lights 2, is used to capture the red light or the green light signals of described traffic lights 2 outputs, and output red light high-voltage level signal or green light high-voltage level signal; In the present embodiment, described high-voltage level signal for example is the voltage signal of AC220V.
Described input interface module 12 connects described modulating signal load module 11, is used for the high-voltage level conversion of signals of this modulating signal load module 11 outputs is transmitted for the low voltage level signal; Particularly, the type of described low voltage level signal is red light low voltage level signal and green light low voltage level signal.In the present embodiment, temporary type with described low voltage level signal is that red light low voltage level signal is that example describes.
Described microprocessor module 13 connects described input interface module 12, behind the low voltage level signal that receives these input interface module 12 outputs, judge this low voltage level signal type, in the present embodiment, for example judging the low voltage level signal type is red light low voltage level signal, and this red light low voltage level signal is carried out two consecutive periods detect, and detecting above-mentioned two consecutive periods numerical value when consistent, be countdown cycle output countdown signal according to the one-period of this red light low voltage level signal; For example, the one-period of this red light low voltage level signal is 60 seconds, is 60 seconds output countdown signals according to the countdown cycle then, perhaps also can adopt the second half countdown in 30 seconds.
Described output interface module 14 connects described microprocessor module 13, after being used to receive the countdown signal of described microprocessor module 13 outputs, this countdown conversion of signals is transmitted for the seven segment code digital signal.
Described countdown display module 15 connects described output interface module 14, is used to receive the countdown of carrying out the seven segment code numeral after the seven segment code digital signal of described output interface module 14 outputs and shows.In the present embodiment, described countdown display module 15 is two LED seven segment code digital indicators, particularly, described countdown display module 15 is that two LED7 segment encode numerals show, maximum demonstration number is " 99 ", minimum demonstration number is " 01 ", and its display category has two kinds of patterns: external and built-in.Described built-in countdown display, described countdown display and signal lamp are formed one.Its display sizes size is consistent with signal lamp, and shape can be circular or square, and stock size is 300 millimeters, 400 millimeters; Described external countdown display independently is placed on the signal lamp outside, suspension is installed in the horizontal of signal lamp vertical rod and chooses on the arm, carries out the signal lamp countdown and shows, then appellation external countdown display, its size determines that according to the crossing size stock size is designed to the 500-900 millimeter.
In concrete embodiment, described countdown display module 15 also has blind person's clock unit (not shown), is used for sending default sound according to the countdown display digit, judges that to remind pedestrian or blind person traffic signals time safety crosses the street.
Described power module 16 is in order to be converted to external AC ac high voltage the DC DC voltage with to described input interface module 12, and microprocessor module 13 and output interface module 14 provide required voltage, and described high voltage for example is AC220V.
In sum, road traffic signal countdown display of the present utility model compared with prior art, the utility model has been realized intelligent control, be different from other general fixing time, fixed cycle, it is changeless signal countdown display, the utility model utilizes the power of chip microprocessor, forming control module can carry out multidate information and eye-catching time counting in real time and show variation in real time to vehicle drive and the clearest and the most definite traffic signals of pedestrian's street crossing displaying, to greatest extent support vehicles travel and People's Bank of China cross the street traffic safety, can satisfy urban highway traffic adaptive traffic signal control system demand for control fully.So the utility model has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
The foregoing description is illustrative principle of the present utility model and effect thereof only, but not is used to limit the utility model.Any person skilled in the art scholar all can be under spirit of the present utility model and category, and the foregoing description is modified or changed.Therefore, have in the technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of being finished under spirit that the utility model discloses and the technological thought, must be contained by claim of the present utility model.
Claims (7)
1. a road traffic signal countdown display is installed in the intersection, and is connected with traffic lights that traffic signal controlling machine is controlled, it is characterized in that described road traffic signal countdown display comprises at least:
The modulating signal load module connects described traffic lights, is used to capture the red light or the green light signals of described traffic lights output, and output red light or green light high-voltage level signal;
Input interface module connects described modulating signal load module, is used for the high-voltage level conversion of signals of this modulating signal load module output is transmitted for the low voltage level signal;
Microprocessor module, connect described input interface module, behind the low voltage level signal that receives this input interface module output, judge this low voltage level signal type, and the low voltage level signal of the type is carried out two consecutive periods detect, and detecting above-mentioned two consecutive periods numerical value when consistent, be countdown cycle output countdown signal according to the one-period of the low voltage level signal of the type;
Output interface module connects described microprocessor module, after being used to receive the countdown signal of described microprocessor module output, this countdown conversion of signals is transmitted for the seven segment code digital signal;
The countdown display module connects described output interface module, is used to receive the countdown of carrying out the seven segment code numeral after the seven segment code digital signal of described output interface module output and shows.
2. road traffic signal countdown display according to claim 1, it is characterized in that: also comprise power module, in order to external AC ac high voltage is converted to the DC DC voltage with to described input interface module, microprocessor module and output interface module provide required voltage.
3. road traffic signal countdown display according to claim 1 is characterized in that: the type of described low voltage level signal is red light low voltage level signal and green light low voltage level signal.
4. road traffic signal countdown display according to claim 1 is characterized in that: described countdown display module is two LED seven segment code digital indicators.
5. road traffic signal countdown display according to claim 4 is characterized in that: described two LED seven segment code digital indicators comprise external and built-in two kinds.
6. road traffic signal countdown display according to claim 4 is characterized in that: described countdown display module also has blind person's clock unit, is used for sending default sound according to the countdown display digit.
7. road traffic signal countdown display according to claim 1 is characterized in that: described traffic lights by traffic signal controlling machine control to carry out light color conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201165022U CN202013665U (en) | 2011-04-19 | 2011-04-19 | Count down display for road traffic signal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201165022U CN202013665U (en) | 2011-04-19 | 2011-04-19 | Count down display for road traffic signal |
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| CN202013665U true CN202013665U (en) | 2011-10-19 |
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| CN2011201165022U Expired - Fee Related CN202013665U (en) | 2011-04-19 | 2011-04-19 | Count down display for road traffic signal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637368A (en) * | 2012-05-17 | 2012-08-15 | 蔡博渊 | All-the-way green light traffic forecast system |
| CN102750831A (en) * | 2011-04-19 | 2012-10-24 | 上海交大高新技术股份有限公司 | Road traffic signal countdown displaying device |
| CN103354033A (en) * | 2013-01-09 | 2013-10-16 | 支录奎 | Research based on single-screen multifunctional road traffic signal displayer |
| CN106710264A (en) * | 2016-12-30 | 2017-05-24 | 重庆攸亮科技股份有限公司 | No-communication-link road traffic signal countdown displayer and control method thereof |
-
2011
- 2011-04-19 CN CN2011201165022U patent/CN202013665U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102750831A (en) * | 2011-04-19 | 2012-10-24 | 上海交大高新技术股份有限公司 | Road traffic signal countdown displaying device |
| CN102637368A (en) * | 2012-05-17 | 2012-08-15 | 蔡博渊 | All-the-way green light traffic forecast system |
| CN103354033A (en) * | 2013-01-09 | 2013-10-16 | 支录奎 | Research based on single-screen multifunctional road traffic signal displayer |
| CN106710264A (en) * | 2016-12-30 | 2017-05-24 | 重庆攸亮科技股份有限公司 | No-communication-link road traffic signal countdown displayer and control method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: SJTU High & New Technology Co., Ltd. Document name: Notification that Application Deemed not to be Proposed |
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| C53 | Correction of patent for invention or patent application | ||
| C56 | Change in the name or address of the patentee | ||
| CB03 | Change of inventor or designer information |
Inventor after: Pang Mizhou Inventor after: Fu Zhihong Inventor after: Sun Min Inventor after: Liu Heping Inventor after: Yuan Xiaogang Inventor before: Pang Mizhou |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: PANG MINGZHOU TO: PANG MINGZHOU FU ZHIHONG SUN MIN LIU HEPING YUAN XIAOGANG |
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| CP02 | Change in the address of a patent holder |
Address after: 200235, 4 floor, No. 21 middle Xu Road, Shanghai, Xuhui District Patentee after: SJTU High & New Technology Co., Ltd. Address before: 200235 building 109, No. 4 Nandan East Road, Shanghai, Xuhui District Patentee before: SJTU High & New Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20160419 |