CN206938590U - Automobile tail lamp circuit based on Communication Control - Google Patents
Automobile tail lamp circuit based on Communication Control Download PDFInfo
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- CN206938590U CN206938590U CN201720803244.2U CN201720803244U CN206938590U CN 206938590 U CN206938590 U CN 206938590U CN 201720803244 U CN201720803244 U CN 201720803244U CN 206938590 U CN206938590 U CN 206938590U
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- 238000004891 communication Methods 0.000 title claims abstract description 22
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 14
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 235000013399 edible fruits Nutrition 0.000 description 1
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Abstract
The utility model provides a kind of automobile tail lamp circuit based on Communication Control, including：Source of stable pressure, signal transceiver, single-chip microcomputer, shift register group, linear constant current module group, switches set and light emitting diode group；Source of stable pressure connects power input；Signal transceiver connects source of stable pressure；Single-chip microcomputer connects source of stable pressure and signal transceiver；The connection source of stable pressure of shift register group, shift register group include multiple shift registers, shift register connection single-chip microcomputer；Switches set connects each shift register；Linear constant current module group connects power input；Linear constant current module group connecting valve group；The positive pole of the light emitting diode of light emitting diode group is connected correspondingly with linear constant current module, light emitting diode negative pole ground connection.A kind of automobile tail lamp circuit based on Communication Control of the present utility model, it is possible to reduce the quantity of the rigid line connection between light source and control terminal, and have the advantages of simple in construction, production cost is low, is easy to adjustment extension, changes species more and be flexible.
Description
Technical field
It the utility model is related to vehicular field, more particularly to a kind of automobile tail lamp circuit based on Communication Control.
Background technology
Preferred light sources of the LED as car rear, by the extensive and ripe automobile signal light applied to various functions.
But LED realizes one as spot light applied to during the signal lamp of a certain function, plurality of LEDs is generally required in car rear
Function, the illumination effect of plurality of LEDs, not against being used cooperatively for good reflective optical system and lens, it is extremely difficult to good
Good uniformity of luminance.On the other hand, due to the limitation of point light source light-emitting effect, it is difficult to be designed in LED light source circuit control
A kind of dynamic effect control circuit, to reach good visual effect.Existing LED taillights are luminous to have uneven and display effect
The shortcomings that single.
And Organic Light Emitting Diode (OLED) product possesses two big advantages：On the one hand its self luminous characteristic, it is not necessary to appoint
The support of what light-source system, and the thickness of OLED illuminant only has 1.4 millimeters, following taillight can even be accomplished as paster one
Sample is pasted onto parking stall, without taking the space of boot, possesses bigger advantage compared with common LED product in volume；Separately
On the one hand, compared with LED spot light, OLED possesses area source and irreflexive feature, and light quality is uniform, and stepless-adjustment can be achieved
Light, any shade will not be projected, it is especially suitable for for making automobile tail light product.But in order to realize abundant animation effect
Fruit, generally using the structure of more signal control line connections, tool between the light source and control terminal of existing automobile tail lamp circuit
There is the problem of wiring is complicated, production cost is high and adjustment display effect needs rewiring again.
The content of the invention
For above-mentioned deficiency of the prior art, the utility model provides a kind of automobile tail light electricity based on Communication Control
Road, can be greatly reduced between light source and control terminal rigid line connection quantity, and with it is simple in construction, production cost is low,
The advantages of being easy to adjustment extension, changing wide variety and be flexible.
To achieve these goals, the utility model provides a kind of automobile tail lamp circuit based on Communication Control, including：
One source of stable pressure, the source of stable pressure connect a power input；
One signal transceiver, the signal transceiver connect the source of stable pressure；
One single-chip microcomputer, the single-chip microcomputer connect the source of stable pressure and the signal transceiver；
One shift register group, one first energization input of the shift register group connects the source of stable pressure, described
Shift register group includes multiple shift registers, the shift register concatenation, and a shift register connects the list
Piece machine；
One switches set, the switches set connect each shift register；
One linear constant current module group, one second energization input of the linear constant current module group connect the power input
End；The linear constant current module group includes multiple linear constant current modules, and each linear constant current module connects the switches set；With
And
One light emitting diode group, the light emitting diode group include multiple light emitting diodes, and the light emitting diode is just
Pole is connected correspondingly with the linear constant current module, the negative pole ground connection of the light emitting diode.
Preferably, in addition to an input reverse-connection preventing circuit, the input reverse-connection preventing circuit include one first diode and one
Second diode；The positive pole of first diode connects the power input, the negative pole connection institute of first diode
State the second energization input；The positive pole of second diode connects the power input, the negative pole of second diode
Connect the input of the source of stable pressure.
Preferably, the signal transceiver and a car body control module communicate to connect.
Preferably, in addition to a steering indicating light constant current module, the steering indicating light constant current module lead to the car body control module
Letter connection.
Preferably, in addition to a Brake lamp constant current module, the Brake lamp constant current module lead to the car body control module
Letter connection.
Preferably, the signal transceiver uses CAN transceiver or LIN transceivers.
Preferably, the light emitting diode uses OLED illuminant.
Preferably, the light emitting diode group uses OLED screen body, and the OLED screen body lights including multiple OLED
Body.
The utility model makes it have following beneficial effect as a result of above technical scheme：
Source of stable pressure is used to provide stable power supply for signal transceiver, single-chip microcomputer and shift register group.Signal transceiver
For receiving the vehicle body signal of car body control module, control single chip computer action；Synchronous signal transceiver receives the feedback of single-chip microcomputer
Signal, and by feedback signal back to car body control module.Shift register group is used for the signal output number for extending single-chip microcomputer
Amount.Switch of the switches set as control load.Linear constant current module group is used to carry for each light emitting diode of light emitting diode group
For the constant-current source of loaded work piece.Light emitting diode group is as load light source.
Brief description of the drawings
Fig. 1 is the structural representation of the automobile tail lamp circuit based on Communication Control of the utility model embodiment；
Fig. 2 is the wiring diagram of the automobile tail lamp circuit based on Communication Control of the utility model embodiment.
Embodiment
Below according to accompanying drawing 1 and Fig. 2, preferred embodiment of the present utility model is provided, and is described in detail, is enabled more preferable
Ground understanding function of the present utility model, feature.
Refer to Fig. 1 and Fig. 2, a kind of automobile tail lamp circuit based on Communication Control that the utility model is implemented, including：One
Input reverse-connection preventing circuit 1, a source of stable pressure 2, a signal transceiver 3, a single-chip microcomputer 4, a shift register group 5, a switches set 6,
One linear constant current module group 7, a light emitting diode group 8 and a car body control module 9.
Source of stable pressure 2 is used to provide stable power supply for signal transceiver 3, single-chip microcomputer 4 and shift register group 5.Signal is received
Hair device 3 is used for the vehicle body signal for receiving car body control module 9, and control single chip computer 4 acts；Synchronous signal transceiver 3 receives monolithic
The feedback signal of machine 4, and by feedback signal back to car body control module.Shift register group 5 is used for the letter for extending single-chip microcomputer 4
Number output port number.Switch of the switches set 6 as control load.Linear constant current module group 7 is used for for each of light emitting diode group 8
Light emitting diode D3 provides the constant-current source of loaded work piece.Light emitting diode group 8 is used as load light source.
Wherein, input reverse-connection preventing circuit 1 includes one first diode D1 and one second diode D2；First diode D1's
Positive pole connects a power input, one second energization input of the first diode D1 negative lead constant current module group 7；
Second diode D2 positive pole connection power input, the input of the second diode D2 negative pole connection source of stable pressure 2.
Signal transceiver 3 connects source of stable pressure 2, and is communicated to connect with car body control module 9.In the present embodiment, signal transmitting and receiving
Device 3 uses CAN transceiver or LIN transceivers.
Single-chip microcomputer 4 connects source of stable pressure 2 and signal transceiver 3.The one first energization input connection of shift register group 5 is steady
Potential source 2, shift register group 5 include multiple shift registers 51, and shift register 51 is connected, and a shift register 51 connects list
Piece machine 4.Switches set 6 connects each shift register 51.
Linear constant current module group 7 includes multiple linear constant current modules 71, each connecting valve group 6 of linear constant current module 71.
Light emitting diode group 8 includes multiple light emitting diode D3, light emitting diode D3 positive pole and linear constant current module 71
Connect correspondingly, light emitting diode D3 negative pole ground connection.
In the present embodiment, light emitting diode D3 uses OLED illuminant.Light emitting diode group 8 uses OLED screen body, OLED
Screen body includes multiple OLED illuminants.
In the present embodiment, in addition to a steering indicating light constant current module 10 and a Brake lamp constant current module 11, steering indicating light constant current mould
Group 10 communicates to connect with car body control module 9, and Brake lamp constant current module 11 communicates to connect with car body control module 9.
A kind of automobile tail lamp circuit based on Communication Control of the present embodiment, its course of work are as follows：
Power supply enters input reverse-connection preventing circuit 1 from power input, and electric current flows into from the first diode D1 positive pole,
Flowed out from the first diode D1 negative pole, flow to linear constant current module group 7 and powered to linear constant current module group 7, linear constant current mould
Group group 7 is respectively to be powered to each light emitting diode D3.The output of each linear constant current module 71 and a corresponding light-emitting diodes
Pipe D3 connections, a light emitting diode D3 corresponding to per an independent linear constant current module 71 independent control.Meanwhile electric current is from second
Diode D2 positive pole flows into, and is flowed out from the second diode D2 negative pole, flow to source of stable pressure 2 and provides power supply, voltage stabilizing to source of stable pressure 2
First energization input of the output 5V or 3.3V connections signal transceiver 3 in source 2, single-chip microcomputer 4 and shift register group 5, i.e.,
Source of stable pressure 2 is powered to signal transceiver 3, single-chip microcomputer 4 and shift register group 5.
In the present embodiment, the signal of various animations sends signal transceiver 3 to by connection, if signal transceiver 3
It is that CAN transceiver uses 2 connections, if signal transceiver 3, which is LIN transceivers, uses 1 connection.Signal transceiver 3
The communication signal of output is connected with the communication port of single-chip microcomputer 4, clock, data-signal and the shift register 51 that single-chip microcomputer 4 exports
Clock, data-signal mouth are connected.There are multiple shift registers 51 and according to this series connection progress shift LD in shift register group 5
Device 51 cascades, for expansion I/O mouth output port number.Each shift register 51 has 8 I/O delivery outlets, M shift register
51 have 8*M I/O delivery outlet, and the I/O delivery outlets of this 8*M displacement shift register 51 are connected with switches set 6.Switches set 6
Output signal be connected with the enabled mouth of linear constant current module 71.Linear constant current module group 7 is connected with light emitting diode group 8, often
Individual individually linear constant current module 71 and corresponding light emitting diode D3.
Power supply power supply is done to light emitting diode D3 by linear constant current module 71, by signal transceiver 3 on connection
The identification of various signals, after being handled by the internal logic of single-chip microcomputer 4, single-chip microcomputer 4 is set to export one group of data-signal, two groups of height electricity
Ordinary mail OE, SET and two groups of clock signals STCP, SHCP.Data-signal Q7S can be under level be coupled in shift register group 5
Use is extended on the data-signal DS of one shift register 51.Low and high level signal OE, SET control shift register
51 switch and replacement, two groups of clock signals STCP, SHCP carry out the write-in displacement and output of control data, make follow-up shift LD
8*M I/O delivery outlet of device group 5 exports various low and high levels, the output I/ of shift register group 5 according to different animation demands
O mouths difference controlling switch group 6, switches set 6 is typically made up of triode or metal-oxide-semiconductor, the switch output of switches set 6 and linear constant current
The enabled mouth of light modulation of module 71 is connected to control the break-make that linear constant current module 71 is powered to light emitting diode D3, to reach hair
The Dynamic Announce effect of optical diode group 8.
In the present embodiment, single-chip microcomputer 4 exports the combination of number control signal by the reception processing of communication signal, you can
Realize that combination of the different OLED screen bodies within the same time is lighted and the change in different time is lighted, such as：" Russia
A variety of dynamic change effects such as the display effect of square ", the display effect of the display effect of video screen or " face word ".
In addition, the present embodiment also has the advantages that：
(1) the seldom I/O mouths of the quantity of single-chip microcomputer 4 are taken, by the connection of single-chip microcomputer 4 and shift register 51 come expand with
The quantity for the I/O mouths that switches set 6 connects, so as to control very more switching tubes by the less single-chip microcomputer 4 of I/O mouth resources
Break-make, reach the control lighted with extinguishing to multiple OLED illuminants, so as to realize that the how variational dynamic of OLED screen body shows
Show effect.
(2) it is reachable by processing and each switches set 6 interior switch control that switchs of the single-chip microcomputer 4 to one or two connection
Different OLED light source dynamic effects are produced to different animation signals, original complicated wire harness connection quantity is greatly reduced, simplifies
Attachment structure on signal transacting.
(3) relative to existing LED taillights technology, LED taillights are substituted with OLED planar light sources, on the one hand can be with fewer
The OLED screen body of amount, with excessively less single-chip microcomputer output I/O mouth controls, to reach very rich and changeful Dynamic Announce effect；
The characteristic of another aspect planar light source makes taillight still to reach outstanding uniformity of luminance under the cooperation of no lens.
(4) the characteristics of utilizing OLED illuminant source current small, the circuit control mode of linear constant current can directly be used
OLED illuminant is powered, reduces circuit cost.
The utility model is described in detail above in association with accompanying drawing embodiment, those skilled in the art can root
Many variations example is made to the utility model according to described above.Thus, some details in embodiment should not be formed to this practicality
New restriction, the utility model will be used as the scope of protection of the utility model using the scope that appended claims define.
Claims (8)
- A kind of 1. automobile tail lamp circuit based on Communication Control, it is characterised in that including：One source of stable pressure, the source of stable pressure connect a power input；One signal transceiver, the signal transceiver connect the source of stable pressure；One single-chip microcomputer, the single-chip microcomputer connect the source of stable pressure and the signal transceiver；One shift register group, one first energization input of the shift register group connect the source of stable pressure, the displacement Register group includes multiple shift registers, the shift register concatenation, and a shift register connects the single-chip microcomputer；One switches set, the switches set connect each shift register；One linear constant current module group, one second energization input of the linear constant current module group connect the power input； The linear constant current module group includes multiple linear constant current modules, and each linear constant current module connects the switches set；AndOne light emitting diode group, the light emitting diode group include multiple light emitting diodes, the positive pole of the light emitting diode with The linear constant current module connects correspondingly, the negative pole ground connection of the light emitting diode.
- 2. the automobile tail lamp circuit according to claim 1 based on Communication Control, it is characterised in that also anti-including an input Reversal connection circuit, the input reverse-connection preventing circuit include one first diode and one second diode；First diode is just Pole connects the power input, and the negative pole of first diode connects second energization input；Two or two pole The positive pole of pipe connects the power input, and the negative pole of second diode connects the input of the source of stable pressure.
- 3. the automobile tail lamp circuit according to claim 2 based on Communication Control, it is characterised in that the signal transceiver Communicated to connect with a car body control module.
- 4. the automobile tail lamp circuit according to claim 3 based on Communication Control, it is characterised in that also including a steering indicating light Constant current module, the steering indicating light constant current module communicate to connect with the car body control module.
- 5. the automobile tail lamp circuit according to claim 4 based on Communication Control, it is characterised in that also including a Brake lamp Constant current module, the Brake lamp constant current module communicate to connect with the car body control module.
- 6. the automobile tail lamp circuit according to claim 5 based on Communication Control, it is characterised in that the signal transceiver Using CAN transceiver or LIN transceivers.
- 7. the automobile tail lamp circuit according to claim 6 based on Communication Control, it is characterised in that the light emitting diode Using OLED illuminant.
- 8. the automobile tail lamp circuit according to claim 7 based on Communication Control, it is characterised in that the light emitting diode Group uses OLED screen body, and the OLED screen body includes multiple OLED illuminants.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720803244.2U CN206938590U (en) | 2017-07-05 | 2017-07-05 | Automobile tail lamp circuit based on Communication Control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720803244.2U CN206938590U (en) | 2017-07-05 | 2017-07-05 | Automobile tail lamp circuit based on Communication Control |
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| Publication Number | Publication Date |
|---|---|
| CN206938590U true CN206938590U (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720803244.2U Expired - Fee Related CN206938590U (en) | 2017-07-05 | 2017-07-05 | Automobile tail lamp circuit based on Communication Control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107226016A (en) * | 2017-07-05 | 2017-10-03 | 上海小糸车灯有限公司 | Automobile tail lamp circuit based on Communication Control |
-
2017
- 2017-07-05 CN CN201720803244.2U patent/CN206938590U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107226016A (en) * | 2017-07-05 | 2017-10-03 | 上海小糸车灯有限公司 | Automobile tail lamp circuit based on Communication Control |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201821 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee after: HUAYU VISION TECHNOLOGY (SHANGHAI) Co.,Ltd. Address before: 201821 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee before: SHANGHAI KOITO AUTOMOTIVE LAMP Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |