CN109587871A - A kind of lamplight pointing system and its control method - Google Patents
A kind of lamplight pointing system and its control method Download PDFInfo
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- CN109587871A CN109587871A CN201811185841.9A CN201811185841A CN109587871A CN 109587871 A CN109587871 A CN 109587871A CN 201811185841 A CN201811185841 A CN 201811185841A CN 109587871 A CN109587871 A CN 109587871A
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- module
- signal
- processing module
- mode selection
- instruction
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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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- 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
- H05B47/18—Controlling the light source by remote control via data-bus transmission
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present invention relates to lighting system fields, disclose a kind of lamplight pointing system, comprising: external control module is used for output mode selection instruction and wake up instruction；Bus module, for receiving wake up instruction and being transmitted to mode selection command；Processing module is used for reception pattern selection instruction, and exports power on signal and mode signal；Light modules for receiving power on signal and mode signal, and export light signal；Power module, electric energy is provided for the external control module, bus module, processing module and light modules, and information of voltage is transmitted to the processing module, the present invention has the following advantages and effects: pass through setting bus module, processing module and light modules, bus module transmits mode selection command, processing module handle to mode selection command and output mode signal, light modules export light signal according to the mode signal that processing module exports, and people is made intuitively to see charged state.
Description
Technical field
The present invention relates to a kind of lighting systems, more specifically, it relates to a kind of lamplight pointing system and its control method.
Background technique
Lamplight pointing internal system is set with program, can change the operational mode of light by way of automatic or manual,
So that a variety of indicating effects are presented in light.
Currently, the juice point of new energy vehicle is both provided with indicator light, when new energy vehicle is fully charged, indicator light becomes
Change, people is allowed to know that electricity has been filled with.But when people, which are in a hurry, to be needed with vehicle, people need to start vehicle and just will appreciate that at this time
To the situation of charging；When being abnormal situation when new energy vehicle is in charging, people, which are also required to starting vehicle, can just recognize and fill
The exception of electricity, so that people be made to be difficult to conveniently recognize charge condition.
Summary of the invention
In view of the deficienciess of the prior art, the invention reside in provide a kind of lamplight pointing system and its control method, tool
There is the effect for facilitating people to recognize charge condition in time.
To achieve the above object, the present invention provides the following technical scheme that a kind of lamplight pointing system, comprising: outside control
Molding block is used for output mode selection instruction and wake up instruction；Bus module, for receiving wake up instruction and referring to model selection
Order is transmitted；Processing module is used for reception pattern selection instruction, and exports power on signal and mode signal；Light modules are used
In reception power on signal and mode signal, and export light signal；Power module, be the external control module, bus module,
Processing module and light modules provide electric energy, and transmit information of voltage to the processing module.
By using above-mentioned technical proposal, external control module output mode selection instruction and wake up instruction, bus module
Start after receiving wake up instruction, and mode selection command is transmitted to processing module；Processing module is receiving mode choosing
After selecting instruction, mode selection command is handled and exports power on signal and mode signal；Light modules are powered on receiving
It starts to work after signal, and reception pattern signal, exports light signal according to mode signal；Power module is powered, and will
Information of voltage is transmitted to processing module, and people although it is understood that charged state by light signal, while control mould by external
Block can also be changed the mode of light signal, so that the understanding charge condition of people in all directions.
The present invention is further arranged to: the light modules include: LED light, for exporting light signal；LED driving is single
Member is used for reception pattern signal and power on signal, and exports control signal, controls the working condition of LED light.
By using above-mentioned technical proposal, LED drive unit receives power on signal, and works, and then LED driving is single
First reception pattern signal is simultaneously output control signals at LED light, makes the working condition of LED light and the work shape of mode signal requirement
State is identical, to more get information about charged state.
The present invention is further arranged to: the power module includes: basic power supply unit, for exporting vehicle battery electricity
Pressure；First voltage transformation unit, for vehicle battery voltage to be converted to the supply voltage of the LED light；Second voltage transformation unit is used
In the supply voltage that vehicle battery voltage is converted to the bus module, processing module and LED drive unit.
By using above-mentioned technical proposal, basic power supply unit by the voltage output of vehicle battery extremely, the first transformation list
Member and the second voltage transformation unit, so that LED light, bus module, processing module and LED drive unit obtain power supply and start to carry out work
Make.
The present invention is further arranged to: carrying out letter by spi bus between the processing module and the LED drive module
Breath exchange.
By using above-mentioned technical proposal, SPI is Serial Peripheral Interface (SPI), and serial communication modes have saved the pipe of chip
Foot, the layout for being PCB are saved space, are provided conveniently.
The present invention is further arranged to: the processing module is believed by the voltage that AD conversion obtains the basic power supply unit
Breath.
By using above-mentioned technical proposal, processing module receives the voltage signal of basic power supply unit, so that LED light can lead to
The mode for crossing light signal shows the electricity of basic power supply unit, allows one to the progress for understanding charging, convenient
The planning in people's progress later period.
The present invention is further arranged to: the processing module also outputs enable signal to first voltage transformation unit.
By using above-mentioned technical proposal, enable signal makes the first voltage transformation unit work, and being engaged in the first voltage transformation unit can
The supply voltage that vehicle battery voltage is converted to LED light, makes LED light start to work, and the first voltage transformation unit is only needed in LED light
It works when working, to reduce energy consumption.
As shown in Fig. 2, to achieve the above object, the present invention provides the following technical scheme that a kind of lamplight pointing system
Control method, comprising:
S01: at external control module output mode selection instruction and wake up instruction to processing module；
S02: bus module works after receiving wake up instruction, and transmission mode selection is instructed to processing module；
S03: processing module reception pattern selection instruction simultaneously exports mode signal corresponding with selection instruction, while processing module is defeated
Out power on signal to LED drive unit, output enable signal to the first voltage transformation unit；
S04: processing module detects bus module output, and the input of mode selection command if it does not exist then exports sleep signal extremely
Bus module, conversely, then carrying out the output of mode signal.
By using above-mentioned technical proposal, external control module output mode selection instruction and wake up instruction, bus module
Start after receiving wake up instruction, and mode selection command is transmitted to processing module；Processing module is receiving mode choosing
After selecting instruction, mode selection command is handled and exports power on signal and mode signal；Light modules are powered on receiving
It starts to work after signal, and reception pattern signal, exports light signal according to mode signal；When bus module no longer receives mould
When formula selection instruction, bus module carries out suspend mode so that entire power consumption of the lamplight pointing system under standby lower state compared with
It is low.
The present invention is further arranged to: in the S04, if the external control module output mode selection command with work as
When the mode of preceding execution is not identical, processing module receives the mode selection command of the bus module transmission；If the external control
When the mode selection command of molding block output is identical as currently performed mode, processing module exports sleep signal to the bus
Module.
By using above-mentioned technical proposal, when there is mode selection command transmission, if mode selection command is as before,
Then processing module still exports sleep signal to bus module；If mode selection command is different between, bus module is waken up,
The transmission for carrying out mode selection command, to reduce power consumption.
The present invention is further arranged to: in the S03, the processing module identifies mode selection command, if mould
Formula selection instruction is illegal instruction, then does not handle mode selection command；If mode selection command is valid instruction, into
Row processing and output mode signal.
By using above-mentioned technical proposal, if instruction is illegal, processing module is not handled instruction, if instruction is closed
Method is then handled instruction, so that processing module is not easy illegally to be instructed holding time, improves the processing effect of information
Rate.
The present invention is further arranged to: the identification method that the processing module uses for the frame head to mode selection command into
Row identification.
By using above-mentioned technical proposal, the identification of frame head is so that the fast speed entirely identified, to make processing module
Response speed get a promotion.
In conclusion the invention has the following advantages:
Mode selection command is transmitted by setting bus module, processing module and light modules, bus module, handles mould
Block handle to mode selection command and output mode signal, and light modules are exported according to the mode signal that processing module exports
Light signal makes people intuitively see charged state；The instruction identification of the suspend mode of bus module and processing module is by circuit
Stand-by power consumption reduces, more power saving.
Detailed description of the invention
Fig. 1 is system block diagram of the invention；
Fig. 2 is step figure of the invention.
Appended drawing reference: 1, external control module；2, bus module；3, processing module；4, light modules；41, LED driving is single
Member；42, LED light；5, power module；51, basic power supply unit；52, the first voltage transformation unit；53, the second voltage transformation unit.
Specific embodiment
Referring to attached drawing, the present invention will be further described.
As shown in Figure 1, a kind of lamplight pointing system, including external control module 1, bus module 2, processing module 3, light
Module 4 and power module 5.1 output mode selection instruction of external control module and wake up instruction, external control module 1 are automobile
The equipment that console etc. is capable of transmission mode selection instruction and wake up instruction.Bus module 2 and 1 signal of external control module connect
It connects, processing module 3 is connect with 2 signal of bus module, and bus module 2 uses the LIN communication interface of model TJA1027T.Bus
Module 2 is started to work after receiving wake up instruction, while mode selection command being transmitted at processing module 3, and processing module 3 is adopted
With the single-chip microcontroller of model STM8AF5288T, processing module 3 carries out receiving and processing model selection to mode selection command to be referred to
It enables.
Power module 5 includes basic power supply unit 51, the first voltage transformation unit 52 and the second voltage transformation unit 53, basic voltage list
Member 51 is electrically connected with the first voltage transformation unit 52, and basic voltage unit 51 is also electrically connected with the second voltage transformation unit 53.Basic voltage list
The voltage of 51 output of member is the voltage after vehicle battery buck chopper, and the first voltage transformation unit 52 uses model
The voltage-stablizer of LM25011AQ1MY, the first voltage transformation unit 52 is by buck chopper by voltage drop down to 5V；Second voltage transformation unit 53
Using the low pressure difference linear voltage regulator of model TPS7B6733QPWPRQ1, by voltage drop down to 3.3V, the second voltage transformation unit 53
It is electrically connected with processing module 3, bus module 2 and light modules 4, the second voltage transformation unit 53 is bus module 2,3 and of processing module
Light modules 4 are powered.Processing module 3 is connect with 51 signal of basic voltage unit, obtains basic voltage list by AD conversion
The voltage of member 51, the voltage of basic voltage unit 51 by LED light 42 can show.Processing module 3 and the first transformation list
First 52 signals connection, transmission enable signal to the first voltage transformation unit 52.
Light modules 4 include LED drive unit 41 and LED light 42, LED drive unit 41 and processing module 3 and LED light 42
Signal connection, carries out the transmission of data by SPI between LED drive unit 41 and processing module 3.LED drive unit 41 and
The electrical connection of two voltage transformation units 53, LED light 42 are electrically connected with the first voltage transformation unit 52, and LED drive unit 41 uses model
The LED driver of TLC5941.
A kind of control method of lamplight pointing system, including
S01: at 1 output mode selection instruction of external control module and wake up instruction to processing module 3；
S02: bus module 2 works after receiving wake up instruction, and transmission mode selection is instructed to processing module 3；
S03: then 3 reception pattern selection instruction of processing module identifies mode selection command, identification method is to pass through mould
The frame head of formula selection instruction identified, if mode selection command be it is illegal, processing module 3 does not carry out mode selection command
Processing；If mode be it is legal, handled and exported mode signal corresponding with selection instruction, while processing module 3 exports
Power on signal to LED drive unit 41, output enable signal to the first voltage transformation unit 52, LED light 42 is according to LED drive unit 41
Requirement export light signal；
S04: processing module 3 detects bus module 2 and exports, and the input of mode selection command, then export sleep signal if it does not exist
To bus module 2；The input of mode selection command if it exists, then processing module 3 wants judgment model selection instruction and current execution
Mode it is whether different.If the mode selection command and currently performed mode that external control module 1 exports be not identical, processing
Module 3 receives the mode selection command that bus module 2 transmits；If mode selection command that external control module 1 exports and current
When the mode of execution is identical, processing module 3 exports sleep signal to bus module 2.
In conclusion mode selection command is transmitted to processing module 3 by LIN communication bus by external control module 1, place
Reason module 3 identifies that, if instruction belongs to valid instruction after identification, processing module 3 is to mould to the frame head of mode selection command
Formula selection instruction carries out processing and to 41 output mode signal of LED drive unit, while processing module 3 also exports power on signal extremely
LED drive unit 41, LED drive unit 41 work.The first voltage transformation unit 52 is outputed enable signal to, the first voltage transformation unit 52 is right
LED light 42 is powered, and LED light 42 exports light signal under the control of LED drive unit 41 at this time, according to mode signal
Difference, the light signal that LED light 42 exports is also different, to keep lamplight pointing diversified, more can completely understand charging shape
Condition.Processing module 3 detects bus module 2, if bus module 2 no longer transmission mode selection instruct, processing module 3 to
Bus module 2 exports sleep signal, makes 2 suspend mode of bus module.When 2 Limit of Heat of bus module mode selection command, processing module 3
Mode selection command is handled, if mode selection command is identical as currently running mode, processing module 3 is still sent not
At dormancy signal to bus module 2；If mode selection command and currently running mode be not identical, processing module 3 selects mode
Instruction is selected to be handled.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of lamplight pointing system, characterized in that include:
External control module (1) is used for output mode selection instruction and wake up instruction；
Bus module (2), for receiving wake up instruction and being transmitted to mode selection command；
Processing module (3) is used for reception pattern selection instruction, and exports power on signal and mode signal；
Light modules (4), for receiving power on signal and mode signal, and export light signal；
Power module (5) mentions for the external control module (1), bus module (2), processing module (3) and light modules (4)
For electric energy, and information of voltage is transmitted to the processing module (3).
2. a kind of lamplight pointing system according to claim 1 is it is characterized in that: the light modules (4) include:
LED light (42), for exporting light signal；
LED drive unit (41) is used for reception pattern signal and power on signal, and exports control signal, control LED light (42)
Working condition.
3. a kind of lamplight pointing system according to claim 2, it is characterized in that: the power module (5) includes:
Basic power supply unit (51), for exporting vehicle battery voltage；
First voltage transformation unit (52), for vehicle battery voltage to be converted to the supply voltage of the LED light (42)；
Second voltage transformation unit (53), for by vehicle battery voltage be converted to the bus module (2), processing module (3) and
The supply voltage of LED drive unit (41).
4. a kind of lamplight pointing system according to claim 2, it is characterized in that: the processing module (3) and the LED drive
Information exchange is carried out by spi bus between dynamic model block.
5. a kind of lamplight pointing system according to claim 3, it is characterized in that: the processing module (3) passes through AD conversion
Obtain the information of voltage of the basic power supply unit (51).
6. a kind of lamplight pointing system according to claim 3 enables it is characterized in that: the processing module (3) also exports
Signal is to first voltage transformation unit (52).
7. a kind of control method of lamplight pointing system, characterized in that include:
S01: at external control module (1) output mode selection instruction and wake up instruction to processing module (3)；
S02: bus module (2) works after receiving wake up instruction, and transmission mode selection is instructed to processing module (3)；
S03: processing module (3) reception pattern selection instruction simultaneously exports mode signal corresponding with selection instruction, while handling mould
Block (3) export power on signal to LED drive unit (41), output enable signal to the first voltage transformation unit (52)；
S04: processing module (3) detects bus module (2) output, and the input of mode selection command, then export suspend mode if it does not exist
Signal is to bus module (2), conversely, then carrying out the output of mode signal.
8. a kind of control method of lamplight pointing system according to claim 7, it is characterized in that: in the S04, if described
When the mode selection command and not identical currently performed mode of external control module (1) output, described in processing module (3) reception
The mode selection command of bus module (2) transmission；If the mode selection command of the external control module (1) output with currently hold
When capable mode is identical, processing module (3) exports sleep signal to the bus module (2).
9. a kind of control method of lamplight pointing system according to claim 7, it is characterized in that: in the S03, the place
Reason module (3) identifies mode selection command, if mode selection command is illegal instruction, not to mode selection command into
Row processing；If mode selection command is valid instruction, handle simultaneously output mode signal.
10. the control method of a kind of lamplight pointing system according to claim 7, it is characterized in that: the processing module (3)
The identification method used identifies for the frame head to mode selection command.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811185841.9A CN109587871B (en) | 2018-10-11 | 2018-10-11 | Light indicating system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811185841.9A CN109587871B (en) | 2018-10-11 | 2018-10-11 | Light indicating system and control method thereof |
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| Publication Number | Publication Date |
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| CN109587871A true CN109587871A (en) | 2019-04-05 |
| CN109587871B CN109587871B (en) | 2021-07-20 |
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ID=65920282
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