CN206713110U - The control circuit of automobile integrated LED lamp - Google Patents
The control circuit of automobile integrated LED lamp Download PDFInfo
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- CN206713110U CN206713110U CN201720304498.XU CN201720304498U CN206713110U CN 206713110 U CN206713110 U CN 206713110U CN 201720304498 U CN201720304498 U CN 201720304498U CN 206713110 U CN206713110 U CN 206713110U
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Abstract
It the utility model is related to the LED integrated lamp technical fields of automobile, more particularly to a kind of control circuit of automobile integrated LED lamp, including metal-oxide-semiconductor M1, metal-oxide-semiconductor M2, triode Q1, triode Q2, triode Q3, diode D1 and diode D2.Under normal operation, metal-oxide-semiconductor is in conducting state, and all LED bulbs are all connected with battery；When the damage of one of LED bulb is without work, triode Q3 conductings, metal-oxide-semiconductor is in off working state, LED bulb can not be connected with the negative pole of battery, and all LED bulbs can not be lighted, simultaneously, triode Q3 provides signals to BCM, reminds car owner's car light to break down.
Description
Technical field
It the utility model is related to the LED integrated lamp technical fields of automobile, more particularly to a kind of control of automobile integrated LED lamp
Circuit.
Background technology
LED has an efficiency high, less energy consumption, the advantage such as green, is widely used in automotive lighting and domestic lighting industry
Deng field.
In view of security performance and the structure of installation, increasing automobile lamp uses LED, automobile product design requirement
Compare strictly, especially on the light fixture of security critical performance；So when being designed using plurality of LEDs light source, occur when 1
LED is damaged, and to meet running car laws and regulations requirement and security performance, car owner needs to change car light, but price is higher.In order to full
Sufficient automotive regulation requirement and optical requirement, handle the matching relationship of integrated LED bulb in light fixture well, automobile lamp will be turned into and designed
Producer needs the difficult point for considering and breaking through.When integrating bulb using plurality of LEDs, when a bulb-damage can not be lighted,
Other bulbs still work, but car owner can not generally notice the failure of light fixture, therefore are made troubles during travelling to car owner.
If the LEDs of A+B two integrate bulb parallel connection and worked together, when A lamps damage, B lamps can still work on, car owner
The failure of light fixture possibly can not be noticed, for back light, potential safety hazard in the process of moving be present.Therefore need to carry
For one kind when one of LED is damaged, mechanism that A lamps and B lamps can not all work, and Body Control can be supplied to
Device (BCM) is detected, and reminds car owner to change in time, improves security performance.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of control circuit of automobile integrated LED lamp so that car owner
The failure of light fixture is noticed in time, improves the security of driving.
In order to realize the purpose of this utility model, used technical scheme is：The control circuit of automobile integrated LED lamp,
Include metal-oxide-semiconductor M1, metal-oxide-semiconductor M2, triode Q1, triode Q2, triode Q3, diode D1 and diode D2, LED1 positive pole
It is connected with LED2 positive pole with the positive pole of battery, LED1 negative pole is connected with triode Q1 base stage, LED2 negative pole and three
Pole pipe Q2 base stage is connected, triode Q1 colelctor electrode, diode D1 positive pole, triode Q2 colelctor electrode and diode D2
Positive pole is connected with the positive pole of battery, and the base stage of diode D1 negative pole and diode D2 negative pole with triode Q3 is connected,
Triode Q3 colelctor electrode is connected with metal-oxide-semiconductor M1 grid and metal-oxide-semiconductor M2 grid respectively, metal-oxide-semiconductor M1 source electrode and metal-oxide-semiconductor M2
Source grounding, metal-oxide-semiconductor M1 grid is connected with the positive pole of battery, and metal-oxide-semiconductor M1 drain electrode is connected with triode Q1 base stage,
Metal-oxide-semiconductor M2 drain electrode is connected with triode Q2 base stage.
As prioritization scheme of the present utility model, triode Q3 is connected with car body controller, and car body controller receives three poles
Pipe Q3 on or off signal.
As prioritization scheme of the present utility model, the control circuit of automobile integrated LED lamp also include resistance R0, resistance R1 and
Resistance R2, resistance R0 one end are connected with the positive pole of battery, and the resistance R0 other end is connected with metal-oxide-semiconductor M1 grid, resistance R1
One end be connected with the positive pole of battery, the resistance R1 other end is connected with triode Q1 colelctor electrode, resistance R2 one end and electricity
The positive pole in pond is connected, and the resistance R2 other end is connected with triode Q2 colelctor electrode.
As prioritization scheme of the present utility model, the control circuit of automobile integrated LED lamp also includes diode D3 and two poles
Pipe D4, diode D3 positive pole are connected with LED1 negative pole, and diode D3 negative pole is connected with triode Q1 base stage, diode
D4 positive pole is connected with LED2 negative pole, and diode D4 negative pole is connected with triode Q2 base stage.
The utility model has positive effect：1) the utility model realizes a LED lamp by metal-oxide-semiconductor and triode
When bubble breaks down, effect that other LED bulbs can not also be lighted can cause car owner to be easier to notice the mistake of light fixture
Effect, while the prompting of failure is also carried out by BCM so that car owner changes in time, improves the security of driving；
2) the utility model circuit structure is simple, and cost is low, is adapted to popularization and application.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is circuit diagram of the present utility model.
Embodiment
As shown in figure 1, the utility model discloses the control circuit of automobile integrated LED lamp, including metal-oxide-semiconductor M1, metal-oxide-semiconductor
M2, triode Q1, triode Q2, triode Q3, diode D1 and diode D2, LED1 positive pole and LED2 positive pole with electricity
The positive pole in pond is connected, and LED1 negative pole is connected with triode Q1 base stage, and LED2 negative pole is connected with triode Q2 base stage, and three
The positive pole of pole pipe Q1 colelctor electrode, diode D1 positive pole, triode Q2 colelctor electrode and diode D2 positive pole with battery
It is connected, the base stage of diode D1 negative pole and diode D2 negative pole with triode Q3 is connected, triode Q3 colelctor electrode point
It is not connected with metal-oxide-semiconductor M1 grid and metal-oxide-semiconductor M2 grid, metal-oxide-semiconductor M1 source electrode and metal-oxide-semiconductor M2 source grounding, metal-oxide-semiconductor
M1 grid is connected with the positive pole of battery, and metal-oxide-semiconductor M1 drain electrode is connected with triode Q1 base stage, metal-oxide-semiconductor M2 drain electrode and three
Pole pipe Q2 base stage is connected.
Triode Q3 is connected with car body controller, and car body controller receives triode Q3 on or off signal.
The control circuit of automobile integrated LED lamp also includes resistance R0, resistance R1 and resistance R2, resistance R0 one end and battery
Positive pole be connected, the resistance R0 other end is connected with metal-oxide-semiconductor M1 grid, and resistance R1 one end is connected with the positive pole of battery, electricity
The resistance R1 other end is connected with triode Q1 colelctor electrode, and resistance R2 one end is connected with the positive pole of battery, and resistance R2's is another
End is connected with triode Q2 colelctor electrode.
The control circuit of automobile integrated LED lamp also includes diode D3 and diode D4, diode D3 positive pole and LED1
Negative pole be connected, diode D3 negative pole is connected with triode Q1 base stage, and diode D4 positive pole is connected with LED2 negative pole,
Diode D4 negative pole is connected with triode Q2 base stage.
The utility model controls two integrated LED lamps, passes through diffused mos by metal-oxide-semiconductor M1, metal-oxide-semiconductor M2 and triode Q3
Pipe M1 can control more integrated LED lamps, and the utility model only gives two LED i.e. LED1 and LED2 of control reality
Example.Under normal operation, metal-oxide-semiconductor is in conducting state, and all LED bulbs are all connected with battery；When therein one
When individual LED bulb damage is without work, triode Q3 conductings, metal-oxide-semiconductor is in off working state, and LED bulb can not be with battery
Negative pole connection, all LED bulbs can not light, meanwhile, triode Q3 provides signals to BCM, reminds car owner's car light to go out
Existing failure.
As shown in figure 1, in the case of normal work, operating voltage is provided to MOS grid by resistance R0, works as Ug>Us>
When 0, metal-oxide-semiconductor M1 and metal-oxide-semiconductor M2 conductings, electric current are lighted by LED1, LED2, diode D3 and diode D4 ground connection, and now three
Pole pipe Q1 is in high level, and now triode Q1 and triode Q2 are operated, and operating current shares LED1 and LED2 substantially
On, triode Q3 base stage no current, triode Q3 is without work；When LED1 is damaged, triode Q1 is in low level, nothing
Method turns on, and electric current provides base current through diode D1 to triode Q3, turns on triode Q3, now, metal-oxide-semiconductor M1 grid
It is connected to ground with metal-oxide-semiconductor M2 grid, conducting state can not be realized.
Particular embodiments described above, the purpose of this utility model, technical scheme and beneficial effect are carried out to enter one
Step describes in detail, should be understood that and the foregoing is only specific embodiment of the utility model, is not limited to this
Utility model, it is all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements done etc., it all should wrap
It is contained within the scope of protection of the utility model.
Claims (4)
1. the control circuit of automobile integrated LED lamp, it is characterised in that：Including metal-oxide-semiconductor M1, metal-oxide-semiconductor M2, triode Q1, triode
Q2, triode Q3, diode D1 and diode D2, LED1 positive pole and LED2 positive pole are connected with the positive pole of battery, LED1
Negative pole be connected with triode Q1 base stage, LED2 negative pole is connected with triode Q2 base stage, triode Q1 colelctor electrode, two
The positive pole of pole pipe D1 positive pole, triode Q2 colelctor electrode and diode D2 is connected with the positive pole of battery, and diode D1's is negative
Base stage of pole and diode the D2 negative pole with triode Q3 is connected, the triode Q3 colelctor electrode grid with metal-oxide-semiconductor M1 respectively
It is connected with metal-oxide-semiconductor M2 grid, metal-oxide-semiconductor M1 source electrode and metal-oxide-semiconductor M2 source grounding, metal-oxide-semiconductor M1 grid and battery
Positive pole is connected, and metal-oxide-semiconductor M1 drain electrode is connected with triode Q1 base stage, and metal-oxide-semiconductor M2 drain electrode is connected with triode Q2 base stage.
2. the control circuit of automobile integrated LED lamp according to claim 1, it is characterised in that：Described triode Q3 with
Car body controller connects, and car body controller receives triode Q3 on or off signal.
3. the control circuit of automobile integrated LED lamp according to claim 1 or 2, it is characterised in that：The automobile integrates
The control circuit of LED also includes resistance R0, resistance R1 and resistance R2, and resistance R0 one end is connected with the positive pole of battery, resistance
The R0 other end is connected with metal-oxide-semiconductor M1 grid, and resistance R1 one end is connected with the positive pole of battery, the resistance R1 other end and three
Pole pipe Q1 colelctor electrode is connected, and resistance R2 one end is connected with the positive pole of battery, the resistance R2 other end and triode Q2 collection
Electrode is connected.
4. the control circuit of automobile integrated LED lamp according to claim 1 or 2, it is characterised in that：The automobile integrates
The control circuit of LED also includes diode D3 and diode D4, and diode D3 positive pole is connected with LED1 negative pole, diode
D3 negative pole is connected with triode Q1 base stage, and diode D4 positive pole is connected with LED2 negative pole, diode D4 negative pole with
Triode Q2 base stage is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720304498.XU CN206713110U (en) | 2017-03-27 | 2017-03-27 | The control circuit of automobile integrated LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720304498.XU CN206713110U (en) | 2017-03-27 | 2017-03-27 | The control circuit of automobile integrated LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206713110U true CN206713110U (en) | 2017-12-05 |
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ID=60467902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720304498.XU Active CN206713110U (en) | 2017-03-27 | 2017-03-27 | The control circuit of automobile integrated LED lamp |
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| CN (1) | CN206713110U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108575008A (en) * | 2017-03-27 | 2018-09-25 | 常州星宇车灯股份有限公司 | The control circuit of automobile integrated LED lamp |
-
2017
- 2017-03-27 CN CN201720304498.XU patent/CN206713110U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108575008A (en) * | 2017-03-27 | 2018-09-25 | 常州星宇车灯股份有限公司 | The control circuit of automobile integrated LED lamp |
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