CN106427767A - LED position lamp with function of indicating battery capacity and lamp controlling device thereof - Google Patents
LED position lamp with function of indicating battery capacity and lamp controlling device thereof Download PDFInfo
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- CN106427767A CN106427767A CN201610901550.XA CN201610901550A CN106427767A CN 106427767 A CN106427767 A CN 106427767A CN 201610901550 A CN201610901550 A CN 201610901550A CN 106427767 A CN106427767 A CN 106427767A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
- B60Q2400/20—Multi-color single source or LED matrix, e.g. yellow blinker and red brake lamp generated by single lamp
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
- B60Q2400/30—Daytime running lights [DRL], e.g. circuits or arrangements therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention provides an LED position lamp with a function of indicating the battery capacity and a lamp controlling device thereof, and relates to arrangement of conventional vehicle lighting or signal devices. The LED position lamp comprises an LED light source module, a light guide element, a lamp control device and a vehicle bus interface module, wherein the lamp control device is used for acquiring vehicle battery capacity parameters and a control state signal through the vehicle bus interface module, and respectively controlling on/off of each LED chip of the LED light source module according to the vehicle battery capacity parameters and the control state; when the vehicle is in a running state, the LED chips are lightened at the same time to achieve the function of a position lamp; and when the vehicle is in a charging or static state, the LED chips are lightened or blinked according to the percentage sequence of the battery capacity to achieve the function of battery capacity display. According to the LED position lamp, the battery capacity of an electric vehicle is displayed by utilizing an existing LED position lamp, and a driver can know the capacity and charging state of a battery without entering the vehicle, so that daily maintenance and charging management of a vehicle battery are facilitated.
Description
Technical field
The present invention relates to the arrangement of general vehicle illumination or advertiser, more particularly, to one kind can be in signalling light for vehicle
Realize car light semiotic function and light fixture that battery electric quantity shows and its control device.
Background technology
At present Global Auto illumination market is experiencing a technological revolution entirely not having, the adding of global energy crisis
Play, electric vehicle engineering achieves significant progress, and with the emergence of the electric automobile giant such as tesla, electric automobile is in the whole world
Start the tide of one innovation.At present, the battery electric quantity of electric automobile shows and is still arranged in instrumental panel before automobile, when driving
When the person of sailing is outside car, or automobile is in during charged state it is necessary to automotive interior of entering just can see the electricity of battery, to driving
Member brings great inconvenience.Chinese invention patent application " a kind of electric automobile car light with information about power display function "
(application for a patent for invention number：201510791874.8 publication number：CN105365656A) disclose one kind there is information about power and show
The electric automobile car light of function, described electric automobile car light includes body of vehicle light and lamp lighting control circuit, and described is electronic
Automobile lamp also includes OLED module and OLED mounting bracket, and described OLED mounting bracket is coordinated with described body of vehicle light
Fixing, described OLED module is fixedly mounted in OLED mounting bracket, and described OLED module is by several OLED luminescent screens
Composition, described OLED module is divided into several electricity viewing area domains；The input of described lamp lighting control circuit connects vehicle-mounted
Terminal, car-mounted terminal obtains working condition and the information about power of batteries of electric automobile, and is sent to lamp lighting control circuit, car light
Control circuit, according to the working condition of battery and information about power, controls the illuminating state of each OLED luminescent screen, thus
The cell operating status of electric automobile are shown in car light.Although the prior art scheme achieves shows electric automobile in car light
Battery electricity, but, the program is to configure the OLED module showing dedicated for electricity in car light, not only increases into
This, and its structure also will be limited by car light space.
On the other hand, the lamp system of Hyundai Motor is more likely to, integrated for different lamp kinds, for example, enter through PCT approach
Enter patent of invention " for the driving means of motor vehicles and motor vehicles the luminaire " (Chinese invention patent number of China：
ZL201280020360.7 Authorization Notice No.：CN103502050B) disclose a kind of driving of the luminaire for motor vehicles
Device, described luminaire comprise arrange to direction indicator (turn signal lamp) at least one light emitting diode, arrange to
At least one light emitting diode of other lamp kinds (particularly daytime running lamps and/or position lamp) and being total to for these lamp kinds
Same Optical devices, wherein, this driving means has not only for direction indicator light emitting diode but also luminous for other lamp kinds
Unique commutator transformer of diode and the control unit controling commutator transformer according to control signal.But, existing
In the integrated car light having, some LED chip series/parallels are usually used and connect and compose a certain function of offer (as turn signal lamp
Function or position lamp function) LED light source module, control circuit then passing through control device controls whole LED light
Source module is lighted simultaneously or is extinguished, and realizes corresponding light function requirement, and therefore existing integrated car light cannot be by independent
Each LED chip is controlled to realize electric quantity display function.
Content of the invention
It is an object of the invention to provide a kind of LED location lamp that can show battery electric quantity, solve above-mentioned battery electric quantity
Technical problem existing for displaying scheme.The present invention solves above-mentioned technical problem and be employed technical scheme comprise that：
A kind of LED location lamp of display battery electric quantity, including LED light source module, light-guide device, lamp control device, with
And be connected to automobile bus car bus interface module it is characterised in that：
Described LED light source module includes some and independent control can light the LED chip of pattern, and each LED chip is along lamp
The length direction of tool is distributed in LED circuit board, and described lamp control device is connected to LED light source module by plug connector,
The illuminating state of each LED chip of independent control；
Described lamp control device obtains Vehicular battery electrical parameter and controlled state by car bus interface module
Signal, controlled respectively according to Vehicular battery electrical parameter and controlled state the lighting of each LEDs chip of LED light source module/
Extinguish, realize signals of vehicles or battery electric quantity display function：When vehicle is in transport condition, described LED light source module each
LED chip is lighted simultaneously, provides position lamp function；When vehicle is in static or charged state, described LED light source module each
LED chip, according to battery electric quantity ratio sequential illumination or flicker, provides battery electric quantity display function, and each LEDs chip represents
One specific battery electric quantity percentage-proportion interval；
Described light-guide device is for forming position lamp luminous strip and to embody the optics of each LED chip sequential illumination effect
Element, the light that each LED chip sends, by refraction and the reflection of light-guide device, formed in light-guide device front end and meet position
The diffused light that lamp requires, forms the position lamp luminous zone of car light through outer lens.
One kind preferably technical scheme of the LED location lamp of display battery electric quantity of the present invention is it is characterised in that described LED
Light source module is fixed on the rear of light-guide device by LED circuit board, and the position lamp luminous strip that light-guide device is formed is that edge is joined outward
The continuous luminous band of light microscopic edge arrangement, or linear along outer lens edge or arc arrangement luminous point array.
A kind of superior technique scheme of the LED location lamp of display battery electric quantity of the present invention is it is characterised in that described
The luminous flux of lamp control device independent control each LEDs chip, can make each LED core of model and performance parameter all same
Piece represents different brightness.
A kind of improved technical scheme of the LED location lamp of display battery electric quantity of the present invention is it is characterised in that described
Controlled state signal includes electricity display pattern signal, and described lamp control device is according to electricity display pattern and Vehicular battery
Electrical parameter controls lighting, extinguishing or flicker state of each LED chip, realizes at least two electricity display patterns, wherein：
Electricity display pattern I：It is in the LED chip of a certain electricity percentage-proportion interval and all percentage ratio is less than this percentage ratio
Interval LED chip is in normal illuminating state；The LED chip that all percentage ratios are more than this percentage-proportion interval is extinguishing shape
State；
Electricity display pattern II：The LED chip being in a certain electricity percentage-proportion interval is in normal luminous flux flicker state；
The LED chip that all percentage ratios are less than this percentage-proportion interval is in normal illuminating state；All percentage ratios are more than this percentage ratio
Interval LED chip is in low luminous flux illuminating state, and its luminous flux is less than the luminous flux of normal work.
The present invention display battery electric quantity LED location lamp a kind of further improved technical scheme it is characterised in that
Described lamp control device also includes wireless communication module, and described LED location lamp can be connected to by wireless communication module
Outside mobile terminal, being capable of Remote switching signal lamp mode of operation or display battery electric quantity by outside mobile terminal.
Further object is that providing a kind of light fixture control of the LED location lamp for above-mentioned display battery electric quantity
Device processed, the present invention solves above-mentioned technical problem and be employed technical scheme comprise that：
A kind of lamp control device of the LED location lamp for above-mentioned display battery electric quantity it is characterised in that：
Described lamp control device includes electric quantity signal decoding module, electricity display control module, Signalized control mould
Block, stroboscopic/pwm signal module, and some LED driving switch elements connecting one to one with described LED chip；
Described electric quantity signal decoding module obtains Vehicular battery electrical parameter by car bus interface module, and decoding turns
It is changed to the electricity wayside signaling corresponding to each LEDs chip illuminating state, be sent to electricity display control module；
Described electricity display control module, by outfan one-to-one with described LED chip, is connected to corresponding
LED driving switch element, lights/OFF state by each LEDs chip of LED driving switch element independent control；
Described stroboscopic/pwm signal module produces the frequent flashing control signal meeting battery capacity indication or alarm signal requirement, leads to
Cross the flicker frequency that electricity display control module controls each LED chip；
Described car bus interface module sends function select signal to electricity display control module and signal lighties control
Molding block, controls the working condition of light fixture according to function select signal：
When vehicle is in transport condition, described lamp control device provides position lamp function；Described signal lighties control
Molding block obtains signal lighties pattern and signal lamp state by car bus interface module, according to signal lighties pattern and signal lighties shape
State produces Signalized control signal, sends each LED driving switch element to by electricity display control module, Synchronization Control is whole
Lighting or flicker state of LED chip, realizes vehicle location instruction or alarm signal function；
When vehicle is in charging or resting state, described lamp control device provides battery electric quantity display function；Institute
The electricity display control module stated controls the on off state of each LED driving switch element according to electricity wayside signaling, along light fixture
Length direction lights plurality of LEDs chip successively from Far Left or rightmost, realizes battery electric quantity display function.
A kind of preferably technical scheme of the lamp control device of the present invention it is characterised in that described described stroboscopic/
Pwm signal module also provides the pwm signal controlling LED light flux while producing frequent flashing control signal；By adjusting PWM letter
The luminous flux of number duty cycle adjustment LED chip, realizes low luminous flux and lights or flicker state, described low luminous flux controls just
The scope of the 0～100% of ordinary light flux.
A kind of superior technique scheme of the lamp control device of the present invention is it is characterised in that described electric quantity signal decodes
Module, electricity display control module and Signalized control module adopt gate integrated circuit to connect composition；Described LED drives
Switch element adopts constant current switch circuit or the LED car lamp special constant-current drive integrated circult of MOS power device composition.
A kind of improved technical scheme of the lamp control device of the present invention is it is characterised in that adopt PLD
Programming realization electric quantity signal decoding module, the logic control function of electricity display control module and Signalized control module；Described
LED driving switch element adopt MOS power device composition constant current switch circuit or LED car lamp special constant-current drive integrated electricity
Road.
A kind of further improved technical scheme of the lamp control device of the present invention is it is characterised in that described light fixture control
Device processed realizes control function using mcu programming, described electric quantity signal decoding module, electricity display control module, signal
Lamp control module and stroboscopic/pwm signal module are the software function modules storing in single-chip microcomputer memorizer；Described LED drives
Switch element be attached to single-chip microcomputer I/O port MOS power device composition constant current switch circuit or LED constant current drive integrated
Circuit.
The invention has the beneficial effects as follows：
1st, the LED location lamp of display battery electric quantity of the present invention and its lamp control device, using existing LED location lamp
Realize the display of electric quantity of batteries of electric vehicle, human pilot need not just will appreciate that battery electric quantity and charged state into the car,
It is very easy to regular maintenance and the Charge Management of Vehicular battery.
2nd, the LED location lamp of display battery electric quantity of the present invention and its lamp control device, can be real by software programming
The switching of existing signal lighties function and electric quantity display function and control, need not add special structure and extra device, Neng Gou
Under conditions of hardly increasing cost and not changing Vehicle lamp structure design, realize outwardly transmitting the battery information of vehicle, be easy to
Realize the improvement upgrading to existing signalling light for vehicle.
Brief description
Fig. 1 is the schematic diagram of the LED location lamp of display battery electric quantity of the present invention；
Fig. 2 be the present invention display battery electric quantity the LED light source of LED location lamp light sequential schematic；
Fig. 3 is the structure chart of the light-guide device of LED location lamp of display battery electric quantity of the present invention；
Fig. 4 is the sectional view of the light-guide device of LED location lamp of display battery electric quantity of the present invention；
Fig. 5 is the control principle drawing of the lamp control module of LED location lamp of display battery electric quantity of the present invention；
Fig. 6 is that the lamp control device of the present invention is in controlled state figure during position lamp function；
Fig. 7 is that the lamp control device of the present invention is in controlled state figure during electricity display pattern I；
Fig. 8 is that the lamp control device of the present invention is in controlled state figure during electricity display pattern II；
Fig. 9 be LED chip be in difference light or flash current waveform schematic diagram during state.
The reference of each part of each in figure above：1 is LED light source module, and 1-x is the one of LED light source consisting module
Group LED chip, 2 is LED circuit board, and 3 is light-guide device, and 4 is mounting bracket, and 5 is outer lens, and 100 is lamp control device,
110 is electric quantity signal decoding module, and 120 is electricity display control module, and 130 is Signalized control module, and 140 is stroboscopic/PWM
Signaling module, 15-x is LED driving switch element, wherein, reference tail number x=1～10.
Specific embodiment
For better understanding of the technique scheme of the present invention, carry out with reference to the accompanying drawings and examples further
Describe in detail.
The present invention display battery electric quantity LED location lamp an embodiment as shown in Figures 1 to 4, including LED light source
Module 1, light-guide device 3, lamp control device 100, and it is connected to the car bus interface module 200 of automobile bus, described
Automobile bus be attached to the CAN of wagon control computer or other types of central vehicle bus；
Described LED light source module 1 includes some and independent control can light the LED chip 1-x of pattern, each LED chip
Length direction along light fixture is distributed in LED circuit board 2, is assemblied on lamp body by mounting bracket 4；Described light fixture controls dress
Put 100 and LED light source module 1 is connected to by plug connector, the illuminating state of independent control each LED chip 1-x；Described in LED
Wiring board 2 can be entirety or split printed circuit board (PCB), and in Fig. 2 and Fig. 3, LED light source module 1 includes 10 LEDs chips, x=1
～10 correspond respectively to LED 1-1 to LED 1-10；
Described lamp control device 100 obtains Vehicular battery electrical parameter and control by car bus interface module 200
Status signal processed, controls each LEDs chip of LED light source module 1 respectively according to Vehicular battery electrical parameter and controlled state
Light/extinguish, realize signals of vehicles or battery electric quantity display function：When vehicle is in transport condition, described LED light source
Each LED chip of module 1 is lighted simultaneously, provides position lamp function；When vehicle is in static or charged state, described LED light
Each LED chip of source module 1, according to battery electric quantity ratio sequential illumination or flicker, provides battery electric quantity display function, each
LED chip represents a specific battery electric quantity percentage-proportion interval；
Described light-guide device 3 is for forming position lamp luminous strip and to embody the light of each LED chip sequential illumination effect
Learn element, the light that each LED chip sends, by refraction and the reflection of light-guide device 3, formed in light-guide device 3 front end and meet
The diffused light that position lamp requires, forms the position lamp luminous zone of car light through outer lens 5.
In the embodiment shown in fig. 5, Vehicular battery electrical parameter passes through data signal in the form of binary system or binary-coded decimal
Line S1～S4It is sent to lamp control device 100；Controlled state signal passes through data signal line S5～S8It is sent to light fixture and control dress
Put 100, wherein, electricity display pattern signal S5For controlling electricity display pattern, function select signal S6For function selecting letter
Signal lamp or electric quantity display function, signal lighties Mode S7Mode of operation (light or flash) for control signal lamp, signal lighties shape
State S8On off state for control signal lamp.
The embodiment of the LED location lamp of display battery electric quantity of the present invention according to Fig. 3 and Fig. 4, described LED light source
Module 1 is fixed on the rear of light-guide device 3 by LED circuit board 2, and the position lamp luminous strip that light-guide device 3 is formed is along car light
The continuous luminous band of outer lens 5 edge arrangement, or linear along outer lens edge or arc arrangement luminous point array,
Fig. 3 and Fig. 4 is only the schematic presentation of the LED location lamp of display battery electric quantity of the present invention, and its concrete moulding can be according to car
The profile of lamp and finishing requirements design.
One embodiment of the LED location lamp of the display battery electric quantity according to the present invention, described lamp control device 100
The luminous flux of independent control each LEDs chip, can make each LED chip of model and performance parameter all same represent different
Brightness.
One embodiment of the LED location lamp of the display battery electric quantity according to the present invention, described controlled state signal packet
Include electricity display pattern signal, described lamp control device 100 is according to electricity display pattern and Vehicular battery electrical parameter control
Make lighting, extinguishing or flicker state of each LED chip, realize at least two electricity display patterns, wherein：
Electricity display pattern I：Be in the LED chip 1-x of a certain electricity percentage-proportion interval and all percentage ratio be less than this hundred
Divide and be in normal illuminating state than interval LED chip (reference tail number is less than the LED chip of x)；All percentage ratios are big
LED chip (reference tail number is more than the LED chip of x) in this percentage-proportion interval is OFF state, shown in Figure 7
The lamp control device of the present invention is in controlled state figure during electricity display pattern I, and wherein, state " 0 " represents that LED extinguishes,
State " 1 " represents that LED lights；
Electricity display pattern II：The LED chip 1-x being in a certain electricity percentage-proportion interval is in normal luminous flux flicker shape
State, i.e. the frequency scintillation of the frequent flashing control signal that LED chip 1-x produces according to stroboscopic/pwm signal module 140；All percentage ratios
It is in normal illuminating state less than the LED chip (reference tail number is less than the LED chip of x) of this percentage-proportion interval；All
Percentage ratio is in low luminous flux more than the LED chip (reference tail number is more than the LED chip of x) of this percentage-proportion interval and lights
State, its luminous flux is less than the luminous flux of normal work.In the present embodiment, low luminous flux be normal luminous flux 50% light lead to
Amount, the lamp control device of the present invention shown in Figure 8 is in controlled state figure during electricity display pattern II, wherein, shape
State " 100% " represents that LED is in full luminous flux flicker state, and state " 1 " represents that the full luminous flux of LED is lighted, state " 50% " table
Show that LED is in 50% luminous flux illuminating state or 50% luminous flux flicker state.
As the another kind optional electricity display pattern of the present embodiment, it is by the low luminous flux point in electricity display pattern II
Bright state replaces with low luminous flux flicker state, and that is, LED chip assumes flicker state with the luminous flux less than normal work.
As a concrete application of above-described embodiment, described electricity display pattern I is used for showing the electricity of resting state
Pond electricity, electricity display pattern II is used for showing the battery electric quantity of charged state, and the interval of normal illuminating state represents vehicle electrical
The remaining electricity in pond or the electricity being filled with, low the interval of luminous flux illuminating state (or low luminous flux flashes state) represents car
Battery needs the electricity charging.
LED chip is in difference and lights or flash current waveform schematic diagram during state as shown in figure 9, wherein flashing state
Flicker frequency be 1Hz, in order to avoid flash the PWM signal frequency of low luminous flux state generally >=1000Hz.
One preferred embodiment of the LED location lamp of the display battery electric quantity according to the present invention, described light fixture controls
Device 100 also includes wireless communication module, and described position lamp can be connected to outside mobile terminal, example by wireless communication module
As by the network connections such as 4G signal or WIFI to mobile phone or IPAD, car owner can be cut by outside mobile terminal remote remote control
Change signal lighties mode of operation or display battery electric quantity.
The embodiment of the lamp control device 100 of LED location lamp of display battery electric quantity of the present invention shown in Fig. 5
In, described lamp control device 100 includes electric quantity signal decoding module 110, electricity display control module 120, signal lighties control
Molding block 130, stroboscopic/pwm signal module 140, and some LED being connected one to one with described LED chip 1-x are driven and open
Close element 15-x；
Described electric quantity signal decoding module 110 obtains Vehicular battery electrical parameter by car bus interface module 200,
Decoding is converted to the electricity wayside signaling Dx corresponding to each LEDs chip 1-x illuminating state, is sent to electricity display control mould
Block 120；
Described electricity display control module 120, by outfan Gx one-to-one with described LED chip 1-x, connects
To corresponding LED driving switch element 15-x, by each LEDs chip 1-x's of LED driving switch element 15-x independent control
Light/OFF state；In the present embodiment, x=1～10, correspond respectively to LED 1-1 to LED 1-10；
Described stroboscopic/pwm signal module 140 produces the frequent flashing control letter meeting battery capacity indication or alarm signal requirement
Number, control the flicker frequency of each LED chip by electricity display control module 120；
Described car bus interface module 200 is by function select signal S6Send electricity display control module 120 He to
Signalized control module 130, according to function select signal S6Control the working condition of light fixture：
When vehicle is in transport condition, described lamp control device 100 provides position lamp function；Described signal lighties
Control module 130 obtains signal lighties Mode S by car bus interface module 2007With signal lamp state S8, according to signal lighties mould
Formula S7With signal lamp state S8Produce Signalized control signal, each LED driving is sent to by electricity display control module 120 and opens
Close element 15-x, control whole LED chip 1-x synchronously to light and realize vehicle location instruction function, or synchronous flashing offer is different
The often alarm signal function of dead ship condition.The lamp control device of the present invention shown in Figure 6 is in during position lamp function
Controlled state figure, in this embodiment, the mode of operation of position lamp is flash pattern, and state " 0 " represents that LED extinguishes, state " 1 "
Represent that LED is in full luminous flux illuminating state (i.e. normal illuminating state).
When vehicle is in charging or resting state, described lamp control device 100 provides battery electric quantity display function；
Described electricity display control module 120 controls the switch shape of each LED driving switch element 15-x according to electricity wayside signaling Dx
State, lights plurality of LEDs chip 1-x along light fixture length direction successively from Far Left or rightmost, realizes battery electric quantity display work(
Energy；In the present embodiment, battery electric quantity is divided into the percentage-proportion interval of 10 deciles, LED chip 1-1,1-2,1-3,1-4,1-
5,1-6,1-7,1-8,1-9,1-10 represent 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90% respectively,
100% battery electric quantity.
The embodiment of the LED location lamp of display battery electric quantity of the present invention according to Fig. 5, described stroboscopic/PWM believes
Number module 140 also provides the pwm signal controlling LED light flux while producing frequent flashing control signal；By adjusting pwm signal
The luminous flux of duty cycle adjustment LED chip, realizes low luminous flux and lights or flicker state, can control described low luminous flux
In the 0～100% of normal luminous flux scope.
One embodiment of the LED location lamp of the display battery electric quantity according to the present invention, described electric quantity signal decodes mould
Block 110, electricity display control module 120 and Signalized control module 130 adopt the connection composition of gate integrated circuit；Described
LED driving switch element 15-x adopt MOS power device composition constant current switch circuit or LED car lamp special constant-current drive collection
Become circuit.
Another embodiment of the LED location lamp of the display battery electric quantity according to the present invention, described lamp control device
100 adopt PLD (PLD, i.e. Programmable Logic Device) programming realization electric quantity signal to decode mould
Block 110, the logic control function of electricity display control module 120 and Signalized control module 130；Described LED driving switch
Element 15-x adopts constant current switch circuit or the LED car lamp special constant-current drive integrated circult of MOS power device composition.
Another embodiment of the LED location lamp of the display battery electric quantity according to the present invention, described lamp control device
100 realize control function using mcu programming, described electric quantity signal decoding module 110, electricity display control module 120,
Signalized control module 130 and stroboscopic/pwm signal module 140 are the software function modules storing in single-chip microcomputer memorizer；Described
LED driving switch element 15-x be attached to single-chip microcomputer I/O port MOS power device composition constant current switch circuit or LED
Constant-current driving integrated circuit.
Those of ordinary skill in the art is it should be appreciated that above embodiment is intended merely to illustrate the present invention's
Technical scheme, and it is not used as limitation of the invention, any connotation based on the present invention is to embodiment described above
The change made, modification, all will fall in the scope of the claims of the present invention.
Claims (10)
1. a kind of LED location lamp of display battery electric quantity, including LED light source module, light-guide device, lamp control device, and
Be connected to the car bus interface module of automobile bus it is characterised in that：
Described LED light source module includes some and independent control can light the LED chip of pattern, and each LED chip is along light fixture
Length direction is distributed in LED circuit board, and described lamp control device is connected to LED light source module by plug connector, independent
Control the illuminating state of each LED chip；
Described lamp control device obtains Vehicular battery electrical parameter and controlled state signal by car bus interface module,
Control the lighting/extinguish of each LEDs chip of LED light source module according to Vehicular battery electrical parameter and controlled state respectively,
Realize signals of vehicles or battery electric quantity display function：When vehicle is in transport condition, each LED core of described LED light source module
Piece is lighted simultaneously, provides position lamp function；When vehicle is in static or charged state, each LED core of described LED light source module
Piece, according to battery electric quantity ratio sequential illumination or flicker, provides battery electric quantity display function, and each LEDs chip represents a spy
Fixed battery electric quantity percentage-proportion interval；
Described light-guide device be for forming position lamp luminous strip and embody each LED chip sequential illumination effect optics unit
Part, the light that each LED chip sends, by refraction and the reflection of light-guide device, formed in light-guide device front end and meet position lamp
The diffused light requiring, forms the position lamp luminous zone of car light through outer lens.
2. the LED location lamp of display battery electric quantity according to claim 1 is it is characterised in that described LED light source module is led to
Cross the rear that LED circuit board is fixed on light-guide device, the position lamp luminous strip that light-guide device is formed is along outer lens edge cloth
The continuous luminous band put, or linear along outer lens edge or arc arrangement luminous point array.
3. the LED location lamp of display battery electric quantity according to claim 1 is it is characterised in that described lamp control device
The luminous flux of independent control each LEDs chip, can make each LED chip of model and performance parameter all same represent different
Brightness.
4. the LED location lamp of display battery electric quantity according to claim 1 is it is characterised in that described controlled state signal
Including electricity display pattern signal, described lamp control device controls according to electricity display pattern and Vehicular battery electrical parameter
Lighting, extinguishing or flicker state of each LED chip, realizes at least two electricity display patterns,
Wherein：
Electricity display pattern I：It is in the LED chip of a certain electricity percentage-proportion interval and all percentage ratio is less than this percentage-proportion interval
LED chip be in normal illuminating state；The LED chip that all percentage ratios are more than this percentage-proportion interval is OFF state；
Electricity display pattern II：The LED chip being in a certain electricity percentage-proportion interval is in normal luminous flux flicker state；
The LED chip that all percentage ratios are less than this percentage-proportion interval is in normal illuminating state；All percentage ratios be more than this hundred
Divide and be in low luminous flux illuminating state than interval LED chip, its luminous flux is less than the luminous flux of normal work.
5. the LED location lamp of display battery electric quantity according to claim 1 is it is characterised in that described lamp control device
Also include wireless communication module, described LED location lamp can be connected to outside mobile terminal by wireless communication module, by outer
Portion's mobile terminal being capable of Remote switching signal lamp mode of operation or display battery electric quantity.
6. a kind of lamp control device of the LED location lamp for showing battery electric quantity described in claim 1 it is characterised in that：
Described lamp control device includes electric quantity signal decoding module, electricity display control module, Signalized control module, frequently
Sudden strain of a muscle/pwm signal module, and some LED driving switch elements connecting one to one with described LED chip；
Described electric quantity signal decoding module obtains Vehicular battery electrical parameter by car bus interface module, and decoding is converted to
Corresponding to the electricity wayside signaling of each LEDs chip illuminating state, it is sent to electricity display control module；
Described electricity display control module, by outfan one-to-one with described LED chip, is connected to corresponding LED and drives
Dynamic switch element, lights/OFF state by each LEDs chip of LED driving switch element independent control；
Described stroboscopic/pwm signal module produces the frequent flashing control signal meeting battery capacity indication or alarm signal requirement, by electricity
Amount display control module controls the flicker frequency of each LED chip；
Described car bus interface module sends function select signal to electricity display control module and Signalized control mould
Block, controls the working condition of light fixture according to function select signal：
When vehicle is in transport condition, described lamp control device provides position lamp function；Described Signalized control mould
Block obtains signal lighties pattern and signal lamp state by car bus interface module, is produced according to signal lighties pattern and signal lamp state
Raw Signalized control signal, sends each LED driving switch element, the whole LED of Synchronization Control to by electricity display control module
Lighting or flicker state of chip, realizes vehicle location instruction or alarm signal function；
When vehicle is in charging or resting state, described lamp control device provides battery electric quantity display function；Described
Electricity display control module controls the on off state of each LED driving switch element according to electricity wayside signaling, along light fixture length
Plurality of LEDs chip is lighted successively from Far Left or rightmost in direction, realizes battery electric quantity display function.
7. lamp control device according to claim 6 is it is characterised in that described described stroboscopic/pwm signal module
The pwm signal controlling LED light flux is also provided while producing frequent flashing control signal；Adjusted by adjusting pwm signal dutycycle
The luminous flux of section LED chip, realizes low luminous flux and lights or flicker state, described low luminous flux controls in normal luminous flux
0～100% scope.
8. it is characterised in that described electric quantity signal decoding module, electricity shows lamp control device according to claim 6
Show that control module and Signalized control module adopt gate integrated circuit to connect composition；Described LED driving switch element is adopted
Constant current switch circuit or LED car lamp special constant-current drive integrated circult with MOS power device composition.
9. lamp control device according to claim 6 is it is characterised in that adopt PLD programming realization electricity
Amount signal interpretation module, the logic control function of electricity display control module and Signalized control module；Described LED drives and opens
Close constant current switch circuit or the LED car lamp special constant-current drive integrated circult that element adopts MOS power device composition.
10. lamp control device according to claim 6 is it is characterised in that described lamp control device adopts single-chip microcomputer
Programming realization control function, described electric quantity signal decoding module, electricity display control module, Signalized control module and frequency
Sudden strain of a muscle/pwm signal module is the software function module of storage in single-chip microcomputer memorizer；Described LED driving switch element is to connect
Constant current switch circuit or LED constant current drive integrated circult in the MOS power device composition of single-chip microcomputer I/O port.
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