CN205486854U - A visible light communication system for underground parking garage intelligent transportation guide - Google Patents
A visible light communication system for underground parking garage intelligent transportation guide Download PDFInfo
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- CN205486854U CN205486854U CN201620179514.2U CN201620179514U CN205486854U CN 205486854 U CN205486854 U CN 205486854U CN 201620179514 U CN201620179514 U CN 201620179514U CN 205486854 U CN205486854 U CN 205486854U
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- visible light
- light communication
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- parking lot
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Abstract
The utility model provides a visible light communication system for underground parking garage intelligent transportation guide, includes that the underground parking garage visible light system network for data processing and execution instruction manages and traffic guiding center, parking area visible light communication node, on -vehicle visible light communication node and power line, on -vehicle visible light communication node pass through the visible light communication mode with parking area visible light communication node communication, parking area visible light communication node with pass through between management of underground parking garage visible light system network and the traffic guiding center the power line communication. The utility model provides a low -cost, a visible light communication system for underground parking garage intelligent transportation guide.
Description
Technical field
This utility model relates to technical field of visible light communication, a kind of visible light communication system guided for underground parking intelligent transportation.
Background technology
Visible light communication (VLC) is a kind of novel communication technology, and it utilizes, and white light LEDs switch time is short, the characteristic that easily realizes High Speed Modulation modulates the signal to be transmitted on white light LEDs.Visible light communication had both had the advantage that common wireless communications transfer rate is fast, capacity is big, was also the wireless communication technology of the environmental protection of a kind of injury radiationless to human body simultaneously.Visible light communication technology can be applied (such as hospital, aircraft, mine etc.) in many is not suitable for the field of electromagnetic radiation, will therefore have the wide market space in future.
At present, all kinds of documents propose multiple visible light communication technical application solution.Such as Deng Jian will etc. are in " research of solution cavity scenic spot based on flammable letter illumination control method ", by building visible light communication system, realize the illuminator of intelligence in solution cavity, thus the various lightings that when overcoming tradition solution cavity visit, visitor can not switch in scenic spot and the problem that causes the waste of electric energy.Ma Xiuping etc. are in " coal mine work area visible light communication system key technology research ", use the existing supply network of coal mine work area and build visible light communication system, solve existing coal mine work area wireless telecommunication system and build complexity, not adapting to the problem such as environment of the coal mine work area of complexity, the wireless communication system for coal mine work area provides new solution.He Shengyang etc. are in " transmission method based on visible light communication between computer and visible light transceiver ", between computer and visible light transceiver, build visible light communication system, solve the shortcoming of confidentiality difference when using USB transmission between current computer and transceiver.Wu Gui just waits in " visible light communication realization in outdoor LED street lamp ", VISIBLE LIGHT SYSTEM is applied in the street lamp illumination system in city, street lamp will not be confined to offer roadway illumination function, and exist spreading all over the communicating access point in city as one, the realization for intelligent transportation, smart city provides new developing direction and power.
At present, city " parking difficulty " becomes the topic of people's extensive concern.Although existing intelligent managing system for parking lot based on technology of Internet of things such as RFID, ZIGBEE and WiFi is suggested, but is intended to build a new system and generally requires higher installation and wiring cost.
Summary of the invention
The installation of system, wiring cost is guided, visible light communication system that the utility model proposes a kind of low cost, that guide for underground parking intelligent transportation in order to reduce parking lot intelligent transportation.
This utility model solves its technical problem and be the technical scheme is that
A kind of visible light communication system guided for underground parking intelligent transportation, including the underground parking VISIBLE LIGHT SYSTEM network management and traffic guiding center, parking lot visible light communication node, vehicle-mounted visible light communication node and the electric lines of force that process and perform instruction in order to data, described vehicle-mounted visible light communication node is by line-of-sight propagation and described parking lot visible light communication node communication, by described power line communication between described parking lot visible light communication node and the VISIBLE LIGHT SYSTEM network management of described underground parking and traffic guiding center；
Described parking lot visible light communication node is provided with M, vehicle-mounted visible light communication node is provided with N number of, wherein M and N is natural number and M >=1, N >=1, a parking lot visible light communication node and a vehicle-mounted visible light communication node or multiple vehicle-mounted visible light communication node is corresponding.
nullFurther，Described parking lot visible light communication node includes parking lot visible ray receiver module and parking lot VISIBLE LIGHT EMISSION module，Described parking lot visible ray receiver module includes receiving LED visible light signal and converting thereof into the photoelectric switching circuit of the signal of telecommunication、Filter circuit、In order to bandpass signal modulated in visible light channel is demodulated into the demodulator circuit of baseband signal and in order to by the PLC transmitting portion of transmission in modulates baseband signals to electric lines of force，Described parking lot visible ray sending module includes the PLC receiving portion receiving and be demodulated into bandpass signal modulated in electric lines of force baseband signal、In order to being the modulation circuit of bandpass signal of transmission in visible light channel by modulates baseband signals、In order to drive drive circuit luminous for LED and in order to the LED circuit launched by LED visible light by modulated for modulation circuit bandpass signal，Described PLC transmitting portion and PLC receiving portion are all connected with traffic guiding center with the VISIBLE LIGHT SYSTEM network management of described underground parking by electric lines of force；
Described vehicle-mounted visible light communication node includes vehicle-mounted visible ray receiver module and vehicle-mounted visible ray sending module, described vehicle-mounted visible ray receiver module includes photoelectric switching circuit, filter circuit, demodulator circuit and in order to receive from the vehicle-mounted receiving portion of the VISIBLE LIGHT SYSTEM network management of described underground parking Yu the instruction at traffic guiding center with baseband signal format, and described vehicle-mounted visible ray sending module includes vehicle-mounted transmitting portion, modulation circuit, drive circuit and the LED circuit in order to the location coordinate information with baseband signal format transmitter motor-car；
The LED visible light of LED circuit transmitting of described vehicle-mounted visible ray sending module and the photoelectric switching circuit of described parking lot visible ray receiver module constitute the up-link of visible light communication system, the LED visible light of the LED circuit transmitting of described parking lot visible ray sending module and the downlink of the photoelectric switching circuit composition visible light communication system of described vehicle-mounted visible ray receiver module.
Technology of the present utility model is contemplated that: utilizes the original powerline systems in underground parking to carry out underground parking VISIBLE LIGHT SYSTEM network management and traffic guiding center and the communication connection of LED, utilizes the original LED illumination System in underground parking and vehicle interior to communicate.
The beneficial effects of the utility model are: transformed original electric lines of force and original LED illumination System, can be substantially reduced underground parking intelligent transportation and guide the construction cost of system.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present utility model.
Fig. 2 is theory diagram of the present utility model.
Fig. 3 is the workflow diagram of underground parking VISIBLE LIGHT SYSTEM network management and traffic guiding center.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.
With reference to Fig. 1～Fig. 3, a kind of visible light communication system guided for underground parking intelligent transportation, including the underground parking VISIBLE LIGHT SYSTEM network management and the traffic guiding center that process and perform instruction in order to data, parking lot visible light communication node, vehicle-mounted visible light communication node and electric lines of force, described vehicle-mounted visible light communication node is by line-of-sight propagation and described parking lot visible light communication node communication, by described power line communication between described parking lot visible light communication node and the VISIBLE LIGHT SYSTEM network management of described underground parking and traffic guiding center；
Described parking lot visible light communication node is provided with M, vehicle-mounted visible light communication node is provided with N number of, wherein M and N is natural number and M >=1, N >=1, a parking lot visible light communication node and a vehicle-mounted visible light communication node or multiple vehicle-mounted visible light communication node is corresponding.
nullFurther，Described parking lot visible light communication node includes parking lot visible ray receiver module and parking lot VISIBLE LIGHT EMISSION module，Described parking lot visible ray receiver module includes receiving LED visible light signal and converting thereof into the photoelectric switching circuit of the signal of telecommunication、Filter circuit、In order to bandpass signal modulated in visible light channel is demodulated into the demodulator circuit of baseband signal and in order to by the PLC transmitting portion of transmission in modulates baseband signals to electric lines of force，Described parking lot visible ray sending module includes the PLC receiving portion receiving and be demodulated into bandpass signal modulated in electric lines of force baseband signal、In order to being the modulation circuit of bandpass signal of transmission in visible light channel by modulates baseband signals、In order to drive drive circuit luminous for LED and in order to the LED circuit launched by LED visible light by modulated for modulation circuit bandpass signal，Described PLC transmitting portion and PLC receiving portion are all connected with traffic guiding center with the VISIBLE LIGHT SYSTEM network management of described underground parking by electric lines of force；
Described vehicle-mounted visible light communication node includes vehicle-mounted visible ray receiver module and vehicle-mounted visible ray sending module, described vehicle-mounted visible ray receiver module includes photoelectric switching circuit, filter circuit, demodulator circuit and in order to receive from the vehicle-mounted receiving portion of the VISIBLE LIGHT SYSTEM network management of described underground parking Yu the instruction at traffic guiding center with baseband signal format, and described vehicle-mounted visible ray sending module includes vehicle-mounted transmitting portion, modulation circuit, drive circuit and the LED circuit in order to the location coordinate information with baseband signal format transmitter motor-car；
The LED visible light of LED circuit transmitting of described vehicle-mounted visible ray sending module and the photoelectric switching circuit of described parking lot visible ray receiver module constitute the up-link of visible light communication system, the LED visible light of the LED circuit transmitting of described parking lot visible ray sending module and the downlink of the photoelectric switching circuit composition visible light communication system of described vehicle-mounted visible ray receiver module.
In the present embodiment, power line communication is called for short PLC, it is seen that optic communication is called for short VLC；The VISIBLE LIGHT SYSTEM network management of described underground parking and traffic guiding center are for managing and guiding all motor vehicles in garage, place.
In the visible light communication node of parking lot: the filter circuit in the visible ray receiver module of parking lot is for eliminating the noise in the signal of telecommunication, demodulator circuit is for being demodulated into baseband signal by demodulation modes such as binary system on off keyings by bandpass signal modulated in visible light channel, and PLC transmitting portion is for transmitting in modulates baseband signals to electric lines of force；PLC receiving portion in the VISIBLE LIGHT EMISSION module of parking lot is for being demodulated the brewed bandpass signal in electric lines of force, and obtain baseband signal, modulation circuit is the bandpass signal that baseband signal is modulated in visible light channel transmission by modulation systems such as binary system on off keyings, drive circuit is for ensureing the normal luminous of LED, and LED circuit is for launching modulated bandpass signal by LED visible light.
In vehicle-mounted visible light communication node: photoelectric switching circuit in vehicle-mounted visible ray receiver module, filter circuit, the function of demodulator circuit and the photoelectric switching circuit in the parking lot visible ray receiver module in the visible light communication node of parking lot, filter circuit, demodulator circuit function identical, vehicle-mounted receiving portion is for receiving the instruction from the VISIBLE LIGHT SYSTEM network management of described underground parking Yu traffic guiding center with baseband signal format；LED circuit in vehicle-mounted visible ray sending module, drive circuit, function and the LED circuit in the visible ray sending module of parking lot of modulation circuit, drive circuit, modulation circuit function identical, vehicle-mounted transmitting portion is for the location coordinate information with baseband signal format transmitter motor-car.
The photoelectric switching circuit of parking lot visible ray receiver module is connected with the filter circuit of parking lot visible ray receiver module, the filter circuit of parking lot visible ray receiver module is connected with the demodulator circuit of parking lot visible ray receiver module, and the demodulator circuit of parking lot visible ray receiver module is connected with the PLC transmitting portion of parking lot visible ray receiver module；The PLC receiving portion of parking lot visible ray sending module is connected with the modulation circuit of parking lot visible ray sending module, the modulation circuit of parking lot visible ray sending module is connected with the drive circuit of parking lot visible ray sending module, and the drive circuit of parking lot visible ray sending module is connected with the LED circuit of parking lot visible ray sending module；The photoelectric switching circuit of vehicle-mounted visible ray receiver module is connected with the filter circuit of vehicle-mounted visible ray receiver module, the filter circuit of vehicle-mounted visible ray receiver module is connected with the demodulator circuit of vehicle-mounted visible ray receiver module, and the demodulator circuit of vehicle-mounted visible ray receiver module is connected with the vehicle-mounted receiving portion of vehicle-mounted visible ray receiver module；The vehicle-mounted transmitting portion of described vehicle-mounted visible ray sending module is connected with the modulation circuit of vehicle-mounted visible ray sending module, the modulation circuit of vehicle-mounted visible ray sending module is connected with the drive circuit of vehicle-mounted visible ray sending module, and the drive circuit of vehicle-mounted visible ray sending module is connected with the LED circuit of vehicle-mounted visible ray sending module.
As shown in Figure 1, described parking lot visible light communication node includes parking lot visible light communication node 1, parking lot visible light communication node 2, parking lot visible light communication node M, and wherein M refers to be placed on the number of parking lot visible light communication node on the ceiling of underground parking；Described vehicle-mounted visible light communication node includes vehicle-mounted visible light communication node 1, vehicle-mounted visible light communication node 2, vehicle-mounted visible light communication node N, and wherein N refers to that the number of vehicle-mounted visible light communication node is also the number of vehicle in parking lot.The a series of actions such as vehicle driver can complete to stop by described underground parking visible light communication system, payment.
As in figure 2 it is shown, described parking lot visible light communication node and described vehicle-mounted visible light communication node constitute work visible light communication system of enjoying a double blessing.
As it is shown on figure 3, after the visible light communication system of underground parking brings into operation, the visible light communication system of described underground parking is waited for.When the visible light communication system of underground parking judges have vehicle to enter, the VISIBLE LIGHT SYSTEM network management of described underground parking and traffic guiding center send Parking information and expenses standard by power line transmission system, parking lot visible light communication node and vehicle-mounted visible light communication node to vehicle immediately, if the visible light communication system of described underground parking judges do not have vehicle to enter parking lot, return and continue waiting for.When the VISIBLE LIGHT SYSTEM network management of described underground parking and traffic guiding center judge that vehicle has arrived at appointment position, and the VISIBLE LIGHT SYSTEM network management of described underground parking and traffic guiding center immediately begin to Fare determined by travel time.If the VISIBLE LIGHT SYSTEM network management of described underground parking and traffic guiding center judge that vehicle does not arrive appointment position, then return and rejudge.
Embodiment:
nullNo. 1 underground parking has 100 parking stalls，It is ready for entering underground parking now with an automobile A，Now existing 52 cars in underground parking are parked，Remain 48 parking stalls，Automobile A carries out visible light communication system connection by vehicle-mounted visible light communication node and parking lot visible light communication node 2，Signal is transferred to underground parking VISIBLE LIGHT SYSTEM network management and traffic guiding center by powerline systems after receiving signal by parking lot visible light communication node，After underground parking VISIBLE LIGHT SYSTEM network management and traffic guiding center receive the parking information of automobile A，Residue in No. 1 underground parking data base has randomly selected No. 5 parking stalls in 48 parking stalls，Then vehicle A will be sent to No. 2 positions by No. 5 parking stalls of parking lot visible light communication node and parking lot map by electric lines of force.After vehicle A arrives No. 5 parking stalls, underground parking VISIBLE LIGHT SYSTEM network management and traffic guiding center receive parking information and start Fare determined by travel time.After two hours, automobile A car owner prepares to exit underground parking, underground parking VISIBLE LIGHT SYSTEM network management and traffic guiding center receive the automobile A leave message that automobile A is received by parking lot visible light communication node 18, now underground parking VISIBLE LIGHT SYSTEM network management stops timing with traffic guiding center, and payment information is transferred to vapour A by visible light communication node 18, automobile A car owner pay the fees after receiving payment information, underground parking VISIBLE LIGHT SYSTEM network management and traffic guiding center automatically open up gate inhibition after receiving the successful information of payment of automobile A car owner, automobile A car owner can sail out of underground parking.
Claims (2)
1. the visible light communication system guided for underground parking intelligent transportation, including the underground parking VISIBLE LIGHT SYSTEM network management and traffic guiding center, parking lot visible light communication node, vehicle-mounted visible light communication node and the electric lines of force that process and perform instruction in order to data, described vehicle-mounted visible light communication node is by line-of-sight propagation and described parking lot visible light communication node communication, by described power line communication between described parking lot visible light communication node and the VISIBLE LIGHT SYSTEM network management of described underground parking and traffic guiding center；
Described parking lot visible light communication node is provided with M, vehicle-mounted visible light communication node is provided with N number of, wherein M and N is natural number and M >=1, N >=1, a parking lot visible light communication node and a vehicle-mounted visible light communication node or multiple vehicle-mounted visible light communication node is corresponding.
nullA kind of visible light communication system guided for underground parking intelligent transportation，It is characterized in that: described parking lot visible light communication node includes parking lot visible ray receiver module and parking lot VISIBLE LIGHT EMISSION module，Described parking lot visible ray receiver module includes receiving LED visible light signal and converting thereof into the photoelectric switching circuit of the signal of telecommunication、Filter circuit、In order to bandpass signal modulated in visible light channel is demodulated into the demodulator circuit of baseband signal and in order to by the PLC transmitting portion of transmission in modulates baseband signals to electric lines of force，Described parking lot visible ray sending module includes the PLC receiving portion receiving and be demodulated into bandpass signal modulated in electric lines of force baseband signal、In order to being the modulation circuit of bandpass signal of transmission in visible light channel by modulates baseband signals、In order to drive drive circuit luminous for LED and in order to the LED circuit launched by LED visible light by modulated for modulation circuit bandpass signal，Described PLC transmitting portion and PLC receiving portion are all connected with traffic guiding center with the VISIBLE LIGHT SYSTEM network management of described underground parking by electric lines of force；
Described vehicle-mounted visible light communication node includes vehicle-mounted visible ray receiver module and vehicle-mounted visible ray sending module, described vehicle-mounted visible ray receiver module includes photoelectric switching circuit, filter circuit, demodulator circuit and in order to receive from the vehicle-mounted receiving portion of the VISIBLE LIGHT SYSTEM network management of described underground parking Yu the instruction at traffic guiding center with baseband signal format, and described vehicle-mounted visible ray sending module includes vehicle-mounted transmitting portion, modulation circuit, drive circuit and the LED circuit in order to the location coordinate information with baseband signal format transmitter motor-car；
The LED visible light of LED circuit transmitting of described vehicle-mounted visible ray sending module and the photoelectric switching circuit of described parking lot visible ray receiver module constitute the up-link of visible light communication system, the LED visible light of the LED circuit transmitting of described parking lot visible ray sending module and the downlink of the photoelectric switching circuit composition visible light communication system of described vehicle-mounted visible ray receiver module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620179514.2U CN205486854U (en) | 2016-03-09 | 2016-03-09 | A visible light communication system for underground parking garage intelligent transportation guide |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620179514.2U CN205486854U (en) | 2016-03-09 | 2016-03-09 | A visible light communication system for underground parking garage intelligent transportation guide |
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| CN205486854U true CN205486854U (en) | 2016-08-17 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409004A (en) * | 2016-11-04 | 2017-02-15 | 陈炜杰 | System capable of applying optical communication to parking lot management and working method thereof |
| CN106846888A (en) * | 2017-01-22 | 2017-06-13 | 刘兰伟 | City parking resource management system and management method |
| CN107123301A (en) * | 2017-06-08 | 2017-09-01 | 深圳市沃特沃德股份有限公司 | Information of vehicles broadcasting system, method and apparatus |
| CN107909853A (en) * | 2017-10-24 | 2018-04-13 | 南京邮电大学 | Support visible light communication (VLC) intelligent transportation system of bilateral positioning |
| CN108736969A (en) * | 2017-04-20 | 2018-11-02 | 桂林电子科技大学 | A kind of power line carrier communication coordinate under visible light beacon system |
| CN109586792A (en) * | 2018-12-28 | 2019-04-05 | 武汉职业技术学院 | A kind of indoor guide system based on LED light device |
-
2016
- 2016-03-09 CN CN201620179514.2U patent/CN205486854U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409004A (en) * | 2016-11-04 | 2017-02-15 | 陈炜杰 | System capable of applying optical communication to parking lot management and working method thereof |
| CN106846888A (en) * | 2017-01-22 | 2017-06-13 | 刘兰伟 | City parking resource management system and management method |
| CN108736969A (en) * | 2017-04-20 | 2018-11-02 | 桂林电子科技大学 | A kind of power line carrier communication coordinate under visible light beacon system |
| CN107123301A (en) * | 2017-06-08 | 2017-09-01 | 深圳市沃特沃德股份有限公司 | Information of vehicles broadcasting system, method and apparatus |
| CN107909853A (en) * | 2017-10-24 | 2018-04-13 | 南京邮电大学 | Support visible light communication (VLC) intelligent transportation system of bilateral positioning |
| CN109586792A (en) * | 2018-12-28 | 2019-04-05 | 武汉职业技术学院 | A kind of indoor guide system based on LED light device |
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| GR01 | Patent grant | ||
| 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: 20160817 Termination date: 20180309 |