CN208801908U - A kind of reversing auxiliary lighting apparatus - Google Patents
A kind of reversing auxiliary lighting apparatus Download PDFInfo
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- CN208801908U CN208801908U CN201821244798.4U CN201821244798U CN208801908U CN 208801908 U CN208801908 U CN 208801908U CN 201821244798 U CN201821244798 U CN 201821244798U CN 208801908 U CN208801908 U CN 208801908U
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- lamp
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- current source
- switch
- reversing
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- 239000004065 semiconductor Substances 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of reversing auxiliary lighting apparatuses.It includes power supply, position lamp switch, reversing light switch, car body controller, position lamp, back-up lamp and intednsity circuit, the position lamp switch, reversing light switch one end be all connected with power supply, position lamp switch, reversing light switch the other end be all connected with the input terminal of car body controller, multiple output ends of car body controller are separately connected one end of position lamp and back-up lamp by intednsity circuit, and the other end of position lamp and back-up lamp is grounded.The utility model designs a kind of intednsity circuit, and cooperation car body controller, position lamp and back-up lamp, simple structure and reasonable design, when light is general, back-up lamp issues low intensity light intensity values；When light is poor, control back-up lamp issues high-luminance light intensity values, provides good lighting environment to reversing, greatly improves reversing safety.
Description
Technical field
The utility model belongs to technical field of automotive electronics, and in particular to a kind of reversing auxiliary lighting apparatus.
Background technique
With the development of technology, reverse image lighting system is widely used in all kinds of large and small vehicle backings or driving peace
Full field of auxiliary.The system allow reversing when especially under the bad situation of evening light, the situation after making vehicle is shown in reversing
On liquid crystal display, the road conditions at rear are preferably held.Existing lighting system can not adjust brightness according to light, after vehicle
When square dark, the fogging image of reverse image acquisition causes driver that cannot clearly see vehicle rear road conditions clearly, so that
There are biggish security risks in reversing process.
Utility model content
The purpose of this utility model is exactly to provide a kind of reversing auxiliary photograph to solve deficiency existing for above-mentioned background technique
Bright device.
The technical solution adopted in the utility model is: a kind of reversing auxiliary lighting apparatus, including power supply, position lamp switch,
Reversing light switch, car body controller, position lamp, back-up lamp and intednsity circuit, the position lamp switch, reversing light switch
One end is all connected with power supply, position lamp switch, reversing light switch the other end be all connected with the input terminal of car body controller, Body Control
Multiple output ends of device are separately connected one end of position lamp and back-up lamp by intednsity circuit, position lamp and back-up lamp it is another
One end is grounded.
Further, the intednsity circuit includes switching tube, the first constant-current source, the second constant-current source and third constant current
Source, the control terminal of the first output end connection switch pipe of the car body controller and the input terminal of the first constant-current source, the first constant current
The output end link position lamp one end in source, the input terminal of the second output terminal connection switch pipe of the car body controller and the second perseverance
The input terminal in stream source, the input terminal of the output end connection third constant-current source of the switching tube, second constant-current source and third are permanent
The output end in stream source is all connected with one end of back-up lamp.
Further, the intednsity circuit further includes voltage-stabiliser tube, resistance R1 and resistance R2, and the switching tube is P
Type metal-oxide-semiconductor, the grid of the p-type metal-oxide-semiconductor are separately connected one end of resistance R1 and resistance R2, and the resistance R1 other end connects voltage-stabiliser tube
Anode, pressure stabilizing tube cathode connect the first output end of car body controller, resistance R2 other end ground connection.
The utility model designs a kind of intednsity circuit, cooperation car body controller, position lamp and back-up lamp, structure letter
Single, design rationally, when light is general, only controls back-up lamp and opens, back-up lamp issues low intensity light intensity values；When light is poor
When, position lamp is opened simultaneously with back-up lamp, and control back-up lamp issues high-luminance light intensity values, can be adjusted in real time according to light intensity
The brightness of whole back-up lamp provides good lighting environment to reversing, substantially increases reversing safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1- power supply；The position 2- lamp switch；3- reversing light switch；4- car body controller；5- position lamp；6- back-up lamp.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, convenient for being well understood
The utility model, but they do not constitute the utility model and limit.
As shown in Figure 1, the utility model includes power supply 1, position lamp switch 2, reversing light switch 3, car body controller 4, position
Set lamp 5, back-up lamp 6 and intednsity circuit, the position lamp switch 2, reversing light switch 3 one end be all connected with power supply 1, position
Lamp switch 2, reversing light switch 3 the other end be all connected with the input terminal of car body controller 4, multiple output ends of car body controller 4
It is separately connected one end of position lamp 5 and back-up lamp 6 by intednsity circuit, the other end of position lamp 6 and back-up lamp 6 connects
Ground.
In above scheme, the intednsity circuit includes switching tube Q1, the first constant-current source U1, the second constant-current source U2 and
The control terminal of three constant-current source U3, the first output end connection switch pipe Q1 of the car body controller 4 and the first constant-current source U1's is defeated
Enter end, 5 one end of output end link position lamp of the first constant-current source U1, the second output terminal connection switch of the car body controller 4
The input terminal of the input terminal of pipe Q1 and the second constant-current source U2, the input of the output end connection third constant-current source U3 of the switching tube Q1
The output end of end, the second constant-current source U2 and third constant-current source U3 are all connected with one end of back-up lamp 6.
In above scheme, the intednsity circuit further includes voltage-stabiliser tube D1, resistance R1 and resistance R2, the switching tube Q1
For p-type metal-oxide-semiconductor, the grid of the p-type metal-oxide-semiconductor is separately connected one end of resistance R1 and resistance R2, and the connection of the resistance R1 other end is steady
Pressure pipe Q1 anode, voltage-stabiliser tube D1 cathode connect the first output end of car body controller 4, resistance R2 other end ground connection.
The power supply of the utility model provides electric energy for car body controller, when normal vehicle operation needs open position lamp 5, closes
Coincidence sets lamp switch 2, and it is permanent that 4 first output end of car body controller outputs signal to the first constant-current source U1, the first constant-current source U1 output
Constant current to position lamp 5, position lamp 5 is lighted.In reversing process, when light is general or good, it is only closed reversing light switch 3,
4 second output terminal of car body controller outputs signal to the second constant-current source U2, the second constant-current source U2 and exports constant current to back-up lamp
6, back-up lamp 6, which is lighted, issues low intensity light intensity values, provides good lighting environment for reversing.When dark, it is closed at
Position lamp switch 2 and reversing light switch 3,4 first output end of car body controller and second output terminal output signal simultaneously at this time, the
One output end outputs signal to the first constant-current source U1, and position lamp 5 is lighted, and second output terminal outputs signal to the second constant-current source U2,
A constant current is provided for back-up lamp 6, while the first output end and the signal of second output terminal output respectively reach switching tube
The signal of the control terminal and input terminal of Q1, switching tube Q1 conducting, second output terminal output reaches third constant-current source U3, third constant current
Source U3 exports another constant current to back-up lamp 6, and such back-up lamp 6 receives two constant currents simultaneously, so that back-up lamp
It lights and issues high-luminance light intensity values, illuminate after vehicle and farther away road conditions after vehicle.
The function that the utility model car body controller control position lamp and back-up lamp are lighted is control mould conventional on vehicle
Block；The model NCV317 that first constant-current source U1, the second constant-current source U2 and third constant-current source U3 are used.The utility model being capable of root
It adjusts the brightness of back-up lamp in real time according to light intensity, provides good lighting environment to reversing, substantially increase reversing safety.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (3)
1. a kind of reversing auxiliary lighting apparatus, it is characterised in that: including power supply (1), position lamp switch (2), reversing light switch
(3), car body controller (4), position lamp (5), back-up lamp (6) and intednsity circuit, the position lamp switch (2), back-up lamp
Switch (3) one end be all connected with power supply (1), position lamp switch (2), reversing light switch (3) the other end be all connected with Body Control
Multiple output ends of the input terminal of device (4), car body controller (4) are separately connected position lamp (5) by intednsity circuit and fall
The other end of one end of car light (6), position lamp (5) and back-up lamp (6) is grounded.
2. reversing auxiliary lighting apparatus according to claim 1, it is characterised in that: the intednsity circuit includes switch
The first output end of pipe Q1, the first constant-current source U1, the second constant-current source U2 and third constant-current source U3, the car body controller (4) connect
Connect the control terminal of switching tube Q1 and the input terminal of the first constant-current source U1, the output end link position lamp (5) one of the first constant-current source U1
End, the input terminal of the second output terminal connection switch pipe Q1 of the car body controller (4) and the input terminal of the second constant-current source U2, institute
The input terminal of the output end connection third constant-current source U3 of switching tube Q1 is stated, the second constant-current source U2 and third constant-current source U3's is defeated
Outlet is all connected with one end of back-up lamp (6).
3. reversing auxiliary lighting apparatus according to claim 2, it is characterised in that: the intednsity circuit further includes steady
Pressure pipe D1, resistance R1 and resistance R2, the switching tube Q1 are p-type metal-oxide-semiconductor, and the grid of the p-type metal-oxide-semiconductor is separately connected resistance R1
With one end of resistance R2, the resistance R1 other end connects voltage-stabiliser tube D1 anode, and voltage-stabiliser tube D1 cathode connects the of car body controller (4)
One output end, resistance R2 other end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821244798.4U CN208801908U (en) | 2018-08-03 | 2018-08-03 | A kind of reversing auxiliary lighting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821244798.4U CN208801908U (en) | 2018-08-03 | 2018-08-03 | A kind of reversing auxiliary lighting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208801908U true CN208801908U (en) | 2019-04-30 |
Family
ID=66228905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821244798.4U Expired - Fee Related CN208801908U (en) | 2018-08-03 | 2018-08-03 | A kind of reversing auxiliary lighting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208801908U (en) |
-
2018
- 2018-08-03 CN CN201821244798.4U patent/CN208801908U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190430 |