CN105208719A - Simple-instruction-based visible-light automotive light communication signal sending control method - Google Patents
Simple-instruction-based visible-light automotive light communication signal sending control method Download PDFInfo
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- 238000004891 communication Methods 0.000 title claims abstract description 34
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- 238000004146 energy storage Methods 0.000 claims abstract description 42
- 238000005286 illumination Methods 0.000 claims abstract description 25
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- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 14
- 230000000284 resting effect Effects 0.000 claims description 12
- 230000005059 dormancy Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
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Abstract
The invention discloses a simple-instruction-based visible-light automotive light communication signal sending control method. A visible-light automotive light communication signal sending device containing a power supply module, a key, an energy storage module, a voltage-stabilizing module, a sending control module, a drive module, and an automotive light is established and the device provides an illumination mode and a communication mode. Mode switching is realized by a switching signal generated by motion control of the key; the sending control module receives a key instruction and is activated from a dormant state; and a switching signal is generated by connection or disconnection of power supplying by the power supply. The sending control module is powered by the power supply module or the energy storage module and generates a drive signal; and the drive module drives the automotive light to send a visible light signal according to the drive signal. On the premise of continuous illumination, a visible light signal is sent based on a simple key motion instruction with an automotive light. Therefore, an information leakage risk caused by continuous signal sending can be avoided; and the safety and stability of the device can be improved and the service life can be prolonged.
Description
Technical field
The invention belongs to technical field of photo communication, the visible ray car light signal of communication sending control method of particularly a kind of simple and easy instruction.
Background technology
Visible light communication (VisibleLightCommunication, VLC) be adopt light-emitting diode to send the visible ray of High Speed Modulation as information carrier, the communication mode of transmitting optical signal in atmosphere.The naked eyes imperceptible High Speed Modulation light wave signal that before this technology utilizes the indoor and outdoor large display screen of outfit LED, lighting apparatus, automobile, taillight etc. send comes modulates information and transmission, then utilizes the photoelectric device of high photaesthesia, high-speed response receive optical carrier and obtain information.
Lamp signal is a kind of common means of communication, and the signal that the interval of application light light and dark makes length different carrys out transmission of information.Time in ancient times, lamp signal plays very large help to the interchange between people.Apply a lot in the afloat bridge-to-bridge communication of lamp signal.The principle of visible light communication technology is similar with lamp signal, but speed is faster, and signal is more complicated.
Utilize the dipped beam of automobile, high beam, taillight to realize visible light communication, can well technique be used.But, automobile is promoted VLC technology, we wish the existing vehicle of change that should lack structure structure, simply, easily by this technology transplant on automobile, allow car light become a signal vehicle.
The present invention is exactly to realize above function, the visible ray car light signal of communication sending control method of a kind of simple and easy instruction of proposition, and method is by a double control visible ray car light signal of communication dispensing device, and the visible light signal realizing multiple instruction sends.While support secure communication, provide stable vehicle light illumination.
Summary of the invention
The object of the present invention is to provide a kind of visible ray car light signal of communication sending control method of simple and easy instruction.
Concrete steps are:
(1) set up a visible ray car light signal of communication dispensing device, this device comprises: power module, button, energy-storage module, Voltage stabilizing module, transmission control module, driver module and car light.
Power module comprises PV end and PG end, and PV end is the cathode output end of power module; PG end is the cathode output end of power module.
Energy-storage module comprises SV end, SG end and SO end, and SV end is the electrode input end of energy-storage module, and SG end is the negative input of energy-storage module, and SO end is the electric energy cathode output end of energy-storage module.
Voltage stabilizing module comprises WI end, WO end and WG end, and WI end is the electrode input end of Voltage stabilizing module, and WG end is the negative input of Voltage stabilizing module, and WO end is the electric energy cathode output end of Voltage stabilizing module.
Send control module and comprise FV end, FG end, FO end, FI end and FU end, FV end is the electrode input end sending control module, FG end is the negative input sending control module, FO end is the control signal output sending control module, FI end is the detection signal input sending control module, and FU end is the dormancy awakening end sending control module.
Driver module comprises DI end, DO end and DV end, and DI end is the control signal input of driver module, and DO end is the driving signal input of driver module, and DV end is the electric energy electrode input end of driver module.
Car light comprises LV end and LG end, and LV end is the electrode input end of car light, and LG end is the negative input of car light.
Button comprises AI end and AO end, and AI end is the power input of button, and AO end is the power output end of button.
The main port annexation of device is as follows:
PV end and the electrical connection of AI end; AO end, SV end, FI end, DV end, FU end and WI end, six port electrical connections; WO end and the electrical connection of FV end; DI end and the electrical connection of FO end; DO end and the electrical connection of LV end; PG end, SG end, WG end, FG end and LG end, five port electrical connections.
Power module is used for providing electric energy for each module of device.
Button is used for sending key command, and AI end is held conducting with AO and disconnected two states; AI end is for connecting the power supply input of power module; AO end exports for the power supply of power module to energy-storage module, Voltage stabilizing module, transmission control module, driver module and car light; By actuation of keys, control AO holds the conducting or disconnection of hold with AI, to realize power module to power logical of energy-storage module, Voltage stabilizing module, transmission control module, driver module, car light with break; AI end is held under the control of actuation of keys with AO, realizes conducting and disconnection, and with conducting and the switching disconnecting two states, produces switching signal; The state of button acquiescence is the conducting of AI end and AO end.
Energy-storage module is used for holding conducting at AI end and AO, when having power module to power, collects and storage of electrical energy; Disconnect at AI end and AO end, when power module is not powered, the electric energy that release stores, as temporary source, for sending control module temporary power.
Voltage stabilizing module is used for when power module or energy-storage module are powered, and provide stable power supply to export for sending control module, Voltage stabilizing module obtains electric energy by WI end from outside.
Send control module to be used for by Voltage stabilizing module, powered by power module or energy-storage module, hold detection AI end and AO to hold the instantaneous state disconnected by FU, and activate from resting state according to this state; The switching signal that the conducting of holding detection AI end and AO to hold by FI and the two states of disconnection switch and produce, and according to this switching signal, held by FO and send corresponding drive singal to driver module, by drive singal driving car light transmission visible light signal; The state of FO end acquiescence is the level that output one enables driver module control car light to continue to light.
Driver module is used for the drive singal according to sending the output of control module FO end, drives car light to send visible light signal; The state of driver module acquiescence controls car light to continue to light.
Car light is for providing stable illumination and sending visible light signal.
Device provides a more than key command, and with the different conditions of different buttons and button thereof, represent different key commands, key command is produced by actuation of keys.
The obtain manner of key command has: single-button and many buttons two kinds, that is:, when pressing different buttons, represent different instruction implications; For single button, with different by under type, different instruction implications can also be represented, comprising: click, multi-hit, long by; Click, once short tactile pushing button; Multi-hit, repeatedly short tactile pushing button; Length is pressed, and pushes button and continues for some time.
The key command that actuation of keys produces, represents signal " 1 " with the conducting of AI end and AO end; Represent signal " 0 " with the disconnection of AI end and AO end, vice versa.
The drive singal that different key commands is corresponding different, the visible light signal that different drive singal is corresponding different.
Device provides light illumination mode and communication pattern, and the switching of pattern is realized by button.When not sending key command, device is light illumination mode, and button keeps the conducting of AI end, AO end, to realize the continued power of electric power source pair of module energy-storage module, Voltage stabilizing module, transmission control module, driver module, car light.When there being actuation of keys to produce key command, send the momentary power failure of the power module that control module is produced by actuation of keys, held by FU and transmission control module is activated from resting state, device is made to enter communication pattern, sending control module holds detection to receive key command by FI, and send drive singal by FO end to DI end according to key command, drive car light to send visible light signal by driver module.
Car light is used under light illumination mode, provides stable illumination; In a communication mode, under the driving of driver module, send visible light signal.
(2) the startup performing step of device set up of step (1) is as follows:
Q1, switch on power after, each module of device works on power, and sends control module initialization, energy-storage module storage of electrical energy, send control module directly to be powered by power module by Voltage stabilizing module, button AI holds and AO end acquiescence keeps conducting, and driver module acquiescence controls car light and continues to light illumination.
Q2, transmission control module start to detect the switching signal produced by key command, if the switching signal of detecting, enter communication pattern, when switching signal being detected not yet after a time delay, sending control module and entering resting state, driver module acquiescence controls car light and continues to light.
(3) light illumination mode of device set up of step (1):
After being powered up, each module works on power device, and when not having actuation of keys, AI end and AO end keep conducting, and driver module acquiescence controls car light and continues to light illumination.
(3) performing step of the communication pattern of device set up of step (1) is as follows:
T1, push button, actuation of keys produces AI end and AO end in conducting with disconnect two states and switch, and is switched, generation switching signal by state.
T2, energy-storage module are when AI end and AO end disconnect, and the electric energy that release stores, by Voltage stabilizing module for sending control module temporary power.
T3, transmission control module, held the instantaneous state detecting AI end and the disconnection of AO end, and activate from resting state according to this state by FU; Detection AI end and AO is held to hold in conducting and the switching signal disconnecting two states switching generation by FI, and according to switching signal, to driver module output drive signal.
T4, driver module, according to drive singal, control car light and send visible light signal.
The inventive method can under the prerequisite of not interrupting illuminalive power-supply, the safety utilizing car light to realize visible light signal sends, this method avoid the risk that visible light signal continues to send the information leakage caused, reduce device and send the power loss that causes because of continuous firing such as control module, switch control module and loss device lifetime, improve stability and the useful life of device.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the embodiment of the inventive method.
Mark in figure: 1-power module; 2-button; 3-energy-storage module; 4-Voltage stabilizing module; 5-sends control module; 6-driver module; 7-car light.
Embodiment
embodiment:
(1) set up a visible ray car light sender unit to comprise: power module 1, button 2, energy-storage module 3, Voltage stabilizing module 4, transmission control module 5, driver module 6, car light 7.
Power module 1, comprises PV end, PG end.PV end is the cathode output end of power module 1; PG end is the cathode output end of power module 1.
Energy-storage module 3, comprises SV end, SG end, SO end.SV end is the electrode input end of energy-storage module 3, and SG end is the negative input of energy-storage module 3, and SO end is the electric energy cathode output end of energy-storage module 3.
Voltage stabilizing module 4, comprises WI end, WO end, WG end.WI end is the electrode input end of Voltage stabilizing module 4, and WG end is the negative input of Voltage stabilizing module 4, and WO end is the electric energy cathode output end of Voltage stabilizing module 4.
Send control module 5, comprise FV end, FG end, FO end, FI end, FU end.FV end is the electrode input end sending control module 5, FG end is the negative input sending control module 5, FO end is the control signal output sending control module 5, and FI end is the detection signal input sending control module 5, and FU end is the dormancy awakening end sending control module 5.
Driver module 6, comprises DI end, DO end, DV end.DI end is the control signal input of driver module 6, and DO end is the driving signal input of driver module 6, and DV end is the electric energy electrode input end of driver module 6.
Car light 7, comprises LV end, LG end.LV end is the electrode input end of car light 7, and LG end is the negative input of car light 7.
Button 2, comprises AI end, AO end, AG end.AI end is the power input of button 2, and AO end is the power output end of button 2.
The main port annexation of device is as follows:
1, PV end, AI hold electrical connection;
2, AO end, SV end, FI end, DV end, FU end, WI end, six port electrical connections;
3, WO end, FV hold electrical connection;
4, DI end, FO hold electrical connection;
5, DO end, LV hold electrical connection;
6, PG end, SG end, WG end, FG end, LG end, five port electrical connections.
Power module 1, for providing electric energy for each module of device.
Button 2, for sending key command.AI end is held conducting with AO and is disconnected two states.AI holds, for connecting the power supply input of power module 1; AO holds, and exports for the power supply of power module 1 to energy-storage module 3, Voltage stabilizing module 4, transmission control module 5, driver module 6, car light 7; By actuation of keys, control AO holds the conducting or disconnection of hold with AI, with realize power module 1 to energy-storage module 3, Voltage stabilizing module 4, send control module 5, that driver module 6, car light 7 are powered is logical and break.AI end is held under the control of button 2 action with AO, realizes conducting and disconnection, and with conducting and the switching disconnecting two states, produces switching signal.The state that button 2 is given tacit consent to is the conducting of AI end and AO end.
Energy-storage module 3, for holding conducting at AI end and AO, when having power module 1 to power, collects and storage of electrical energy; Disconnect at AI end and AO end, when power module 1 is not powered, the electric energy that release stores, as temporary source, for sending control module 5 temporary power.
Voltage stabilizing module 4, for when power module 1 or energy-storage module 3 are powered, provides stable power supply to export for sending control module 5.Voltage stabilizing module 4 obtains electric energy by WI end from outside.
Send control module 5, for by Voltage stabilizing module 4, powered by power module 1 or energy-storage module 3, hold detection AI end and AO to hold the instantaneous state disconnected by FU, and activate from resting state according to this state; The switching signal produced by the conducting that FI end detection AI holds and AO holds or disconnection, and according to this switching signal, held by FO and send corresponding drive singal to driver module 6, drive car light 7 to send visible light signal by drive singal.The state of FO end acquiescence, exports a level making driver module 6 can control car light 7 to continue to light.
Driver module 6, for the drive singal exported according to the FO end sending control module 5, drives car light 7 to send visible light signal.The state that driver module 6 is given tacit consent to controls car light 7 to continue to light.
Car light 7, for providing stable illumination and sending visible light signal.
Key command, device provides a more than key command, with the different conditions of different buttons and button thereof, represents different key commands.Key command is produced by actuation of keys.
The obtain manner of key command has: single-button and many buttons two kinds.That is, when pressing different buttons, different instruction implications is represented; For single button, with different by under type, different instruction implications can also be represented, comprising: click, multi-hit, long by.Click, once short tactile pushing button; Multi-hit, repeatedly short tactile pushing button; Length is pressed, and pushes button and continues for some time.
The key command that actuation of keys produces, represents signal " 1 " with the conducting of AI end and AO end; Signal " 0 " is represented with the disconnection of AI end and AO end.
The drive singal that different key commands is corresponding different, the visible light signal that different drive singal is corresponding different.
Device provides light illumination mode and communication pattern, and the switching of pattern is realized by button 2.When not sending key command, device is light illumination mode, and button 2 keeps the conducting that AI holds, AO holds, to realize the continued power of power module 1 pair of energy-storage module 3, Voltage stabilizing module 4, transmission control module 5, driver module 6, car light 7.When there being actuation of keys to produce key command, send the momentary power failure of the power module 1 that control module 5 is produced by actuation of keys, control module 5 will be sent by FU end to activate from resting state, device is made to enter communication pattern, sending control module 5 holds detection to receive key command by FI, and send drive singal by FO end to DI end according to key command, drive car light 7 to send visible light signal by driver module 6.
Car light 7, under light illumination mode, provides stable illumination; In a communication mode, under the driving of driver module 6, send visible light signal.Send the car light 7 of visible light signal, use the dipped headlights of vehicle.
Key command, the device of the present embodiment adopts a button to provide two key commands, and double-click, length are pressed.Double-click, short twice tactile pushing button; Length is pressed, and pushes button and continues for 3 seconds and unclamp button again.
The keypress function driving lever that operation headlight for vehicle light modulation controls realizes, and double-click is exactly doublely stir driving lever fast, long by being exactly stir driving lever and keep unclamping for 3 seconds again.
Double-click, length are pressed, the switch command that two key commands are corresponding, the drive singal that different switch commands is corresponding different, as table 1.
Table 1
| Sequence number | Key command | Drive singal |
| 1 | Double-click | 1010110011000101 (door open command) |
| 2 | Length is pressed | 1010101101010101 (instructions of closing the door) |
(2) performing step of device startup is as follows:
Q1, switch on power after, the each module of device works on power, send control module 5 initialization, energy-storage module storage of electrical energy, send control module 5 directly to be powered by power module 1 by Voltage stabilizing module 4, AI end and the AO end acquiescence of button 2 keep conducting, and driver module 6 acquiescence controls car light 7 and continues to light illumination;
Q2, transmission control module 5 start to detect the switching signal produced by key command, if signal detected, enter communication pattern, when switching signal being detected not yet after a time delay, sending control module 5 and entering resting state, driver module 6 is given tacit consent to control car light 7 and is continued to light.
(3), when device needs to send the visible light signal opened the door, step is:
T1, double-click button 2, actuation of keys produces AI end and AO end switches in conducting and disconnection two states, is switched, produce switching signal by state;
T2, energy-storage module are when AI end and AO end disconnect, and the electric energy that release stores, by Voltage stabilizing module 4 for sending control module 5 temporary power;
T3, transmission control module 5, held the instantaneous state detecting AI end and the disconnection of AO end, and activate from resting state according to this state by FU; Detection AI end and AO is held to hold in conducting and the switching signal disconnecting two states switching generation by FI, and according to switching signal, to driver module 6 output drive signal " 1010110011000101 ";
T4, driver module 6, according to drive singal " 1010110011000101 ", control car light 7 and send visible light signal.
Claims (1)
1. a visible ray car light signal of communication sending control method for simple and easy instruction, is characterized in that concrete steps are:
(1) set up a visible ray car light signal of communication dispensing device, this device comprises: power module, button, energy-storage module, Voltage stabilizing module, transmission control module, driver module and car light;
Power module comprises PV end and PG end, and PV end is the cathode output end of power module; PG end is the cathode output end of power module;
Energy-storage module comprises SV end, SG end and SO end, and SV end is the electrode input end of energy-storage module, and SG end is the negative input of energy-storage module, and SO end is the electric energy cathode output end of energy-storage module;
Voltage stabilizing module comprises WI end, WO end and WG end, and WI end is the electrode input end of Voltage stabilizing module, and WG end is the negative input of Voltage stabilizing module, and WO end is the electric energy cathode output end of Voltage stabilizing module;
Send control module and comprise FV end, FG end, FO end, FI end and FU end, FV end is the electrode input end sending control module, FG end is the negative input sending control module, FO end is the control signal output sending control module, FI end is the detection signal input sending control module, and FU end is the dormancy awakening end sending control module;
Driver module comprises DI end, DO end and DV end, and DI end is the control signal input of driver module, and DO end is the driving signal input of driver module, and DV end is the electric energy electrode input end of driver module;
Car light comprises LV end and LG end, and LV end is the electrode input end of car light, and LG end is the negative input of car light;
Button comprises AI end and AO end, and AI end is the power input of button, and AO end is the power output end of button;
The main port annexation of device is as follows:
PV end and the electrical connection of AI end; AO end, SV end, FI end, DV end, FU end and WI end, six port electrical connections; WO end and the electrical connection of FV end; DI end and the electrical connection of FO end; DO end and the electrical connection of LV end; PG end, SG end, WG end, FG end and LG end, five port electrical connections;
Power module is used for providing electric energy for each module of device;
Button is used for sending key command, and AI end is held conducting with AO and disconnected two states; AI end is for connecting the power supply input of power module; AO end exports for the power supply of power module to energy-storage module, Voltage stabilizing module, transmission control module, driver module and car light; By actuation of keys, control AO holds the conducting or disconnection of hold with AI, to realize power module to power logical of energy-storage module, Voltage stabilizing module, transmission control module, driver module, car light with break; AI end is held under the control of actuation of keys with AO, realizes conducting and disconnection, and with conducting and the switching disconnecting two states, produces switching signal; The state of button acquiescence is the conducting of AI end and AO end;
Energy-storage module is used for holding conducting at AI end and AO, when having power module to power, collects and storage of electrical energy; Disconnect at AI end and AO end, when power module is not powered, the electric energy that release stores, as temporary source, for sending control module temporary power;
Voltage stabilizing module is used for when power module or energy-storage module are powered, and provide stable power supply to export for sending control module, Voltage stabilizing module obtains electric energy by WI end from outside;
Send control module to be used for by Voltage stabilizing module, powered by power module or energy-storage module; Held by FU and detect the instantaneous state that AI holds and AO end disconnects, and activate from resting state according to this state; The switching signal produced by the conducting that FI end detection AI holds and AO holds or disconnection, and according to this switching signal, held by FO and send corresponding drive singal to driver module, drive car light transmission visible light signal by drive singal; The state of FO end acquiescence is the level that output one enables driver module control car light to continue to light;
Driver module is used for the drive singal according to sending the output of control module FO end, drives car light to send visible light signal; The state of driver module acquiescence controls car light to continue to light;
Car light is for providing stable illumination and sending visible light signal;
Device provides a more than key command, and with the different conditions of different buttons and button thereof, represent different key commands, key command is produced by actuation of keys;
The obtain manner of key command is: have single-button and many buttons two kinds, that is:, when pressing different buttons, represent different instruction implications; For single button, with different by under type, different instruction implications can also be represented, comprising: click, multi-hit, long by; Click, once short tactile pushing button; Multi-hit, repeatedly short tactile pushing button; Length is pressed, and pushes button and continues for some time;
The key command that actuation of keys produces, represents signal " 1 " with the conducting of AI end and AO end; Represent signal " 0 " with the disconnection of AI end and AO end, vice versa;
The drive singal that different key commands is corresponding different, the visible light signal that different drive singal is corresponding different;
Device provides light illumination mode and communication pattern, and the switching of pattern is realized by button; When not sending key command, device is light illumination mode, and button keeps the conducting of AI end, AO end, to realize the continued power of electric power source pair of module energy-storage module, Voltage stabilizing module, transmission control module, driver module, car light; When there being actuation of keys to produce key command, send the momentary power failure of the power module that control module is produced by actuation of keys, held by FU and transmission control module is activated from resting state, device is made to enter communication pattern, sending control module holds detection to receive key command by FI, and send drive singal by FO end to DI end according to key command, drive car light to send visible light signal by driver module;
Car light is used under light illumination mode, provides stable illumination; In a communication mode, under the driving of driver module, send visible light signal;
(2) the startup performing step of device set up of step (1) is as follows:
Q1, switch on power after, each module of device works on power, and sends control module initialization, energy-storage module storage of electrical energy, send control module directly to be powered by power module by Voltage stabilizing module, button AI holds and AO end acquiescence keeps conducting, and driver module acquiescence controls car light and continues to light illumination;
Q2, transmission control module start to detect the switching signal produced by key command, if the switching signal of detecting, enter communication pattern, when switching signal being detected not yet after a time delay, sending control module and entering resting state, driver module acquiescence controls car light and continues to light;
(3) the device light illumination mode set up of step (1):
After being powered up, each module works on power device, and when not having actuation of keys, AI end and AO end keep conducting, and driver module acquiescence controls car light and continues to light illumination;
(3) performing step of device communication pattern set up of step (1) is as follows:
T1, push button, actuation of keys produces AI end and AO end in conducting with disconnect two states and switch, and is switched, generation switching signal by state;
T2, energy-storage module are when AI end and AO end disconnect, and the electric energy that release stores, by Voltage stabilizing module for sending control module temporary power;
T3, transmission control module, hold the instantaneous state detecting AI end and the disconnection of AO end also to activate from resting state according to this state by FU; Detection AI end and AO is held to hold in conducting and the switching signal disconnecting two states switching generation by FI, and according to switching signal, to driver module output drive signal;
T4, driver module, according to drive singal, control car light and send visible light signal.
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| CN106572330A (en) * | 2016-10-26 | 2017-04-19 | 桂林理工大学 | Visible light communication vehicle light tracking method with license plate auxiliary positioning |
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Application publication date: 20151230 Assignee: Guangxi Zhaoyang Technology Co.,Ltd. Assignor: GUILIN University OF TECHNOLOGY Contract record no.: X2023980044580 Denomination of invention: A Control Method for Sending Visible Light Vehicle Lamp Communication Signal with Simple Command Granted publication date: 20180112 License type: Common License Record date: 20231027 |
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