CN109348594A - A kind of traffic light control system - Google Patents
A kind of traffic light control system Download PDFInfo
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- CN109348594A CN109348594A CN201811417039.8A CN201811417039A CN109348594A CN 109348594 A CN109348594 A CN 109348594A CN 201811417039 A CN201811417039 A CN 201811417039A CN 109348594 A CN109348594 A CN 109348594A
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- 238000004891 communication Methods 0.000 claims abstract description 55
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 230000007613 environmental effect Effects 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000011897 real-time detection Methods 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/19—Controlling the light source by remote control via wireless transmission
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Signal Processing (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present invention provides a kind of traffic light control systems, including main control module, environmental light intensity detection module, communication module and sun-generated electric power management module；Environmental light intensity detection module is sent to main control module for acquiring the luminous intensity of external environment, and by the luminous intensity；Communication module for being communicated between each signal lamp of belisha beacon subsystem, and is communicated between belisha beacon subsystem and command centre；Sun-generated electric power management module is managed the charged state of battery for the voltage of real-time detection solar panel and battery, and powers for signal lamp；Main control module is preset with classification mechanism, and main control module is adjusted the brightness of signal lamp according to the luminous intensity of external environment, the voltage of solar panel and classification mechanism；The system is adjusted the brightness of signal lamp according to the voltage of external environment light intensity and solar panel, and energy-saving effect is good, and communication stability is preferable.
Description
Technical field
The present invention relates to traffic signalization fields, more particularly, to a kind of traffic light control system.
Background technique
With the quickening of urbanization process, the vehicle guaranteeding organic quantity in city is continuously increased, the road traffic congestion shape in city
Condition also becomes increasingly severe.Traffic lights are used to control the ordering of Traffic Systems day-to-day operation, as traffic is believed
Signal lamp quantity increases in geometric progression, and belisha beacon manages and maintains gradually in approximate state out of control, and management is got up
There are very big inconvenience.Signal lamp does not have fault detection capability usually, so that the administrative staff when abnormal conditions occurs in signal lamp
Related announcement can not be obtained in time.Traffic lights are led to when being contacted using communication and backstage command centre
It is wirelessly communicated frequently with 470/433/325MHZ, these communication modes are affected by environment big, and stability is not high, and then will affect letter
The stability of signal lamp work.
On the other hand, the light intensity of traffic lights is usually all fixed and invariable, this will lead to weaker in environmental light intensity
In the case of, light pollution is caused, and interfere to the sight of driver；It will also result in power wastage simultaneously, it is not energy saving enough.Institute
How to design that a kind of energy-saving effect is good, and communication stability is strong, and can be to the friendship of the running state real-time monitoring of signal lamp
Ventilating signal lamp control system is the main problem faced at present.
Summary of the invention
The purpose of the present invention is to provide a kind of traffic light control system, realize according to environment illumination intensity and too
Signal brightness is adjusted in positive energy battery real-time voltage, and energy-saving effect is good, and communication stability is strong.
To achieve the above object, the present invention provides a kind of traffic light control systems, including main control module, environment light
Strong detection module, communication module and sun-generated electric power management module, it is the environmental light intensity detection module, near-end communication module, remote
End communication module and sun-generated electric power management module are connect with main control module；
Environmental light intensity detection module is sent to master control mould for acquiring the luminous intensity of external environment, and by the luminous intensity
Block；
Communication module is believed for being communicated between each signal lamp of belisha beacon subsystem, and at crossing
It is communicated between signal lamp subsystem and command centre；
Sun-generated electric power management module, for the voltage of real-time detection solar panel and battery, to battery
Charged state is managed, and is powered for signal lamp；
Main control module, is preset with classification mechanism, luminous intensity of the main control module according to external environment, solar panel
Voltage and the classification mechanism, the brightness of signal lamp is adjusted.
Preferably, the communication module includes near-end communication module and remote communication module, and the near-end communication module is used
It is communicated between each signal lamp in belisha beacon subsystem, the remote communication module is used in belisha beacon
It is communicated between subsystem and command centre.
Preferably, the main control module be also used to detect signal lamp whether operation irregularity, and judge solar panel and
Whether the voltage of battery is normal.
Preferably, main control module is according to the luminous intensity of external environment, the voltage of solar panel and the classification mechanism,
The corresponding grade of voltage for obtaining the luminous intensity and solar panel of external environment obtains corresponding power supply according to corresponding grade
Power is adjusted the brightness of signal lamp according to output power.
Preferably, the sun-generated electric power management module include solar panel detection circuit, ice storing time circuit,
Charge management circuit and signal lamp power circuit, the solar panel detection circuit is for detecting solar panel
Voltage, the ice storing time circuit are used to detect the voltage of battery, and the charge management circuit is for filling battery
Electricity condition is managed, and the signal lamp power circuit is for providing suitable supply voltage, driving signal lamp.
Preferably, the system also includes GPS time service module, for obtaining location information and time, and by institute's rheme
Confidence breath and time are sent to main control module.
Preferably, the environmental light intensity detection module is photosensitive sensor, and the model of photosensitive sensor is OPT3001.
Preferably, the near-end communication module uses WirelessHART communication protocol, the model of near-end communication module
HT1200M。
Preferably, the model USR-LTE-7S4 of the remote communication module.
Preferably, the model AM335X, the model ATGM331C of the GPS time service module of the main control module.
Compared with prior art, the present invention having the following advantages and outstanding effects:
A kind of traffic light control system provided by the invention passes through environmental light intensity detection module real-time detection external world ring
The light intensity in border detects the voltage of solar panel by sun-generated electric power management module, according to external environment light intensity and the sun
The brightness of signal lamp is adjusted in the voltage of energy solar panel, has been achieved and has accordingly decreased signal lamp in cloudy weather
Brightness, avoids the wasting of resources, and energy-saving effect is good；The system is existed using the communication module based on WirelessHART communication protocol
It is communicated between each signal lamp in belisha beacon subsystem, and using 4G network in belisha beacon subsystem and commander
It is communicated between the heart, ensure that the security reliability of communication.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of traffic light control system disclosed by the embodiments of the present invention；
Fig. 2 is the electricity of sun-generated electric power management module in a kind of traffic light control system disclosed by the embodiments of the present invention
Road schematic diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, the embodiment of the invention discloses a kind of traffic light control system, including environmental light intensity detects mould
Block 101, near-end communication module 102, remote communication module 103, sun-generated electric power management module 104, main control module 105 and GPS
Time service module 106.
Environmental light intensity detection module 101 is sent to for acquiring the luminous intensity of external environment, and by collected luminous intensity
Main control module 105.Specifically, environmental light intensity detection module 101 acquires the luminous intensity of the external environment around signal lamp, then
Collected external environment luminous intensity is sent to main control module 105, main control module 105 is according in the judgement of preset classification mechanism
Grade locating for collected luminous intensity is stated, the corresponding output power of the grade is obtained, it is bright to signal lamp according to the output power
Degree is adjusted.In the present embodiment, environmental light intensity detection module 101 is using photosensitive sensor, and photosensitive sensor is adopted
It is connected with photo resistance and precision resistance, when the resistance value of photo resistance is lower than 10K Ω, main control module 105 is judged as environmental light intensity
It is too low, the brightness of signal lamp is correspondingly turned down, i.e., the control system starts to drop power power supply.Further, the present embodiment is photosensitive
The model of sensor is OPT3001, and the model of photo resistance is 21K1990.
Near-end communication module 102, for being communicated between each signal lamp of belisha beacon subsystem.This implementation
In example, near-end communication module 102 is based on WirelessHART (wireless highway addressable remote
Transducer, wireless addressable distance sensor data highway) communication protocol communicated, and ensure that communication link can
By stability.After system starts, a signal lamp in belisha beacon subsystem is as in main controlled node, with commander
The heart establishes communication connection, and receives the instruction that command centre issues.Other signal lamps in this subsystem are as controlled section simultaneously
Point is issued signal lamp state and countdown data in the way of gateway broadcasts, ensure that number between main controlled node and controlled node
According to the real-time of transmission.Further, the present embodiment near-end communication module 102 uses the chip of model HT1200M.
Remote communication module 103, for being communicated between belisha beacon subsystem and command centre.The present embodiment
In, remote communication module 103 is communicated using 4G communication network with command centre, ensure that the reliable and stable of communication link
Property；Communication link transmits data using VPN (Virtual Private Network, Virtual Private Network) virtual Private Network simultaneously,
It ensure that data security transmission and be not stolen, distort.Further, the present embodiment remote communication module 103 uses model
The communication module of USR-LTE-7S4.
Sun-generated electric power management module 104, for the voltage of real-time detection solar panel and battery, to battery
Charged state be managed, and for signal lamp power.As shown in Fig. 2, present embodiment discloses solar-electricity source control moulds
The circuit of block 104, sun-generated electric power management module 104 include solar panel detection circuit 201, ice storing time circuit
202, charge management circuit 203 and signal lamp power circuit 204, solar panel detection circuit 201 is for detecting the sun
The voltage of energy solar panel, then will test result and is sent to main control module 105；Ice storing time circuit 202 is for detecting electric power storage
The voltage in pond, and will test result and be sent to main control module 105；Charge management circuit 203 is used for the charged state to battery
It is managed, specifically, battery, if charge management circuit 203 detects that battery is fully charged, reduces confession in charging
The electric current of circuit protects battery.
Signal lamp power circuit 204 is for providing suitable supply voltage, driving signal lamp；Specifically, Switching Power Supply
Input voltage is adjusted to be suitble to the driving voltage of signal lamp by U3, and the driving voltage is supplied to signal lamp power circuit 204,
Input current is adjusted to suitable driving current, signal lamp as electronic switch by the CMOS tube in signal lamp power circuit 204
Power supply circuit 204 controls CMOS tube driving signal lamp panel 107 in a pulsed fashion by optocoupler, and signal lamp power circuit 204 is logical
It crosses constant current source chip and the stable constant current not changed with environment temperature and humidity is provided, be reached for signal lamp and stable electricity is provided
The purpose of stream.
In the present embodiment, Switching Power Supply uses the chip of model LM2596-ADJ, and optocoupler uses the core of model EL817
Piece, CMOS tube use the chip of model IRF9540, and constant current source chip uses the chip of model ME2215.
Main control module 105 is preset with classification mechanism, for the electricity according to the luminous intensity of external environment, solar panel
Pressure and the classification mechanism, are adjusted the brightness of signal lamp.Specifically, main control module 105 is preset with for light intensity
The classification mechanism being classified with solar cell panel voltages, outside main control module 105 is obtained from environmental light intensity detection module 101
The luminous intensity of boundary's environment, and after the voltage that sun-generated electric power management module 104 obtains solar panel, according to above-mentioned
Classification mechanism judges luminous intensity and the corresponding grade of solar cell panel voltages, and obtains the output power of corresponding grade,
Then according to the output power adjustment signal lamp brightness.
Specifically, the luminous intensity of external environment is divided into 6 grades by the classification mechanism in the present embodiment main control module 105, phase
Ying Di, signal brightness are also classified into 6 grades.For example, external environment light intensity, in 13000lx or more, signal brightness is arranged at this time
It is 6 grades, i.e., total power exports；When external environment light intensity is between 8000lx~13000lx, signal brightness is set as 5 grades, this
When according to total power 85% for signal lamp power；When external environment light intensity is between 5000lx~8000lx, signal brightness
4 grades are set as, is powered at this time according to the 70% of total power for signal lamp；External environment light intensity is between 2000lx~5000lx
When, signal brightness is set as 3 grades, powers at this time according to the 55% of total power for signal lamp；External environment light intensity is in 1000lx
When between~2000lx, signal brightness is set as 2 grades, powers at this time according to the 40% of total power for signal lamp；External environment
For light intensity in 1000lx or less, signal brightness is set as 1 grade, powers at this time according to the 30% of total power for signal lamp.If
It is more than 10 seconds that the variation of external environment light intensity, which is fluctuated in 1 rank, then exports the signal brightness of corresponding level.In other implementations
In example, the specific classification mechanism of external environment light intensity can also be configured according to actual needs.
For solar cell panel voltages and the corresponding classification mechanism of signal brightness, it is also referred to above-mentioned setting side
Method carries out classification setting to the voltage of solar panel.
Main control module 105 be also used to detect signal lamp whether operation irregularity, and judge solar panel and battery
Whether voltage is normal.The operation irregularity of signal lamp include but is not limited to the brightness of signal lamp it is abnormal, it is improper light or extinguish,
Current anomaly and electric voltage exception.When main control module 105 detect signal lamp operation irregularity, solar cell panel voltages it is abnormal or
Person's battery voltage is abnormal, then corresponding exception information is sent to command centre in the form of message data, in order to command
Center notifies maintenance personal to safeguard in time.Main control module 105 takes compression mould when sending message data to command centre
Formula is sent, and signal lamp state is compressed to 1 byte representation, 2 signal lamp group signal lamp states, saves network bandwidth.This implementation
In example, main control module 105 uses the chip of model AM335X.
GPS time service module 106 is sent to for providing location information and time, and by above-mentioned location information and time
Main control module 105, realizes and automatically updates to signal location.In the present embodiment, GPS time service module 106 uses model
The chip of ATGM331C.
Traffic light control system disclosed in the present embodiment at work, chooses one group in belisha beacon subsystem
Signal lamp is established as communicating access point and command centre and is contacted, while this group of signal light node be as main controlled node, with host
Mode operation, this group of signal lamp obtain clock and location information from built-in GPS time service module 106, execute in commander in real time
The instruction that the heart is sent.Other group of signal lamp is run as controlled node with slave mode, then the main control module in main controlled node
105 start detect signal lamp whether operation irregularity, exception information, then be sent to command centre for relevant abnormalities information if it exists.
Then main control module 105 is by obtaining the voltage of solar panel from sun-generated electric power management module 104, and from environment light
Strong detection module 101 obtains the light intensity of external environment, carries out real-time control to signal brightness.
A kind of traffic light control system provided by the invention passes through environmental light intensity detection module real-time detection external world ring
The light intensity in border detects the voltage of solar panel by sun-generated electric power management module, according to external environment light intensity and the sun
The brightness of signal lamp is adjusted in the voltage of energy solar panel, has been achieved and has accordingly decreased signal lamp in cloudy weather
Brightness, avoids the wasting of resources, and energy-saving effect is good；And it is detected by working condition of the main control module to signal lamp, it can
Correlation circumstance is reported to command centre in time in signal lamp state exception, maintenance personal is notified in time；The system is adopted
Led between signal lamp each in belisha beacon subsystem with the near-end communication module based on WirelessHART communication protocol
Letter, is communicated between belisha beacon subsystem and command centre using the remote communication module communicated based on 4G, is guaranteed
The security reliability of communication.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within principle of the invention, any modification, equivalent substitution, improvement and etc. done should be included in protection scope of the present invention
Within.
Claims (10)
1. a kind of traffic light control system, which is characterized in that including main control module, environmental light intensity detection module, communication mould
Block and sun-generated electric power management module, the environmental light intensity detection module, near-end communication module, remote communication module and solar energy
Power management module is connect with main control module；
Environmental light intensity detection module is sent to main control module for acquiring the luminous intensity of external environment, and by the luminous intensity；
Communication module, for being communicated between each signal lamp of belisha beacon subsystem, and in belisha beacon
It is communicated between subsystem and command centre；
Sun-generated electric power management module, the charging for the voltage of real-time detection solar panel and battery, to battery
State is managed, and is powered for signal lamp；
Main control module is preset with classification mechanism, and the main control module is according to the luminous intensity of external environment, the electricity of solar panel
Pressure and the classification mechanism, are adjusted the brightness of signal lamp.
2. a kind of traffic light control system as described in claim 1, which is characterized in that the communication module includes proximal end
Communication module and remote communication module, the near-end communication module are used between each signal lamp of belisha beacon subsystem
It is communicated, the remote communication module between belisha beacon subsystem and command centre for being communicated.
3. a kind of traffic light control system as described in claim 1, which is characterized in that the main control module is also used to examine
Survey signal lamp whether operation irregularity, and judge whether the voltage of solar panel and battery normal.
4. a kind of traffic light control system as described in claim 1, which is characterized in that main control module is according to external environment
Luminous intensity, solar panel voltage and the classification mechanism, obtain the luminous intensity and solar panel of external environment
The corresponding grade of voltage, obtain corresponding output power according to corresponding grade, according to output power to the brightness of signal lamp into
Row is adjusted.
5. a kind of traffic light control system as described in claim 1, which is characterized in that the solar-electricity source control mould
Block includes solar panel detection circuit, ice storing time circuit, charge management circuit and signal lamp power circuit, described
Solar panel detection circuit is used to detect the voltage of solar panel, and the ice storing time circuit is for detecting electric power storage
The voltage in pond, the charge management circuit for being managed to the charged state of battery, use by the signal lamp power circuit
In the suitable supply voltage of offer, driving signal lamp.
6. a kind of traffic light control system as described in claim 1, which is characterized in that the system also includes GPS to award
When module, be sent to main control module for obtaining location information and time, and by the location information and time.
7. a kind of traffic light control system as described in claim 1, which is characterized in that the environmental light intensity detection module
It is photosensitive sensor, the model of photosensitive sensor is OPT3001.
8. a kind of traffic light control system as claimed in claim 2, which is characterized in that the near-end communication module uses
WirelessHART communication protocol, the model HT1200M of near-end communication module.
9. a kind of traffic light control system as claimed in claim 2, which is characterized in that the type of the remote communication module
Number be USR-LTE-7S4.
10. a kind of traffic light control system as claimed in claim 6, which is characterized in that the model of the main control module
For AM335X, the model ATGM331C of the GPS time service module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811417039.8A CN109348594A (en) | 2018-11-26 | 2018-11-26 | A kind of traffic light control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811417039.8A CN109348594A (en) | 2018-11-26 | 2018-11-26 | A kind of traffic light control system |
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| CN109348594A true CN109348594A (en) | 2019-02-15 |
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| CN201811417039.8A Pending CN109348594A (en) | 2018-11-26 | 2018-11-26 | A kind of traffic light control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110473411A (en) * | 2019-09-23 | 2019-11-19 | 杭州普乐科技有限公司 | A kind of intelligent integrated pedestrian signal lamp device |
| CN113470379A (en) * | 2020-03-31 | 2021-10-01 | 云南金隆伟业电子有限公司 | Traffic signal machine phase acquisition and transmission method and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203934030U (en) * | 2014-01-08 | 2014-11-05 | 深圳市金路交通设施有限公司 | Energy-saving traffic signal lamp control system |
| CN106550524A (en) * | 2016-11-29 | 2017-03-29 | 武汉理工大学 | A kind of urban signal brightness self-adaption regulation system and method |
-
2018
- 2018-11-26 CN CN201811417039.8A patent/CN109348594A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203934030U (en) * | 2014-01-08 | 2014-11-05 | 深圳市金路交通设施有限公司 | Energy-saving traffic signal lamp control system |
| CN106550524A (en) * | 2016-11-29 | 2017-03-29 | 武汉理工大学 | A kind of urban signal brightness self-adaption regulation system and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110473411A (en) * | 2019-09-23 | 2019-11-19 | 杭州普乐科技有限公司 | A kind of intelligent integrated pedestrian signal lamp device |
| CN113470379A (en) * | 2020-03-31 | 2021-10-01 | 云南金隆伟业电子有限公司 | Traffic signal machine phase acquisition and transmission method and device |
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Application publication date: 20190215 |