CN112566309A - Dynamic turn signal lamp circuit and vehicle - Google Patents
Dynamic turn signal lamp circuit and vehicle Download PDFInfo
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- CN112566309A CN112566309A CN201910847094.9A CN201910847094A CN112566309A CN 112566309 A CN112566309 A CN 112566309A CN 201910847094 A CN201910847094 A CN 201910847094A CN 112566309 A CN112566309 A CN 112566309A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
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- 230000018109 developmental process Effects 0.000 claims 1
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- 239000003990 capacitor Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
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- 101000666657 Homo sapiens Rho-related GTP-binding protein RhoQ Proteins 0.000 description 1
- 102100038339 Rho-related GTP-binding protein RhoQ Human genes 0.000 description 1
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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
- B60Q1/34—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 for indicating change of drive direction
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Abstract
The invention provides a dynamic steering lamp circuit and a vehicle, wherein the circuit comprises a plurality of LED branches, a plurality of LED driving modules, a steering lamp power supply and a control module, wherein the plurality of LED driving modules are correspondingly connected with the plurality of LED branches one by one, the steering lamp power supply is respectively connected with each LED branch, each LED driving module and the control module to supply power to each LED branch, each LED driving module and the control module, the control module is respectively connected with the steering lamp power supply and each LED driving module, and the control module is used for acquiring the power supply period of the steering lamp power supply and sequentially outputting driving control signals to the plurality of LED driving modules in each power supply period so as to realize the flowing light of the plurality of LED branches. The dynamic steering lamp can realize the flowing water lighting of the dynamic steering lamp through simple components, has simple and flexible mode and lower cost, and can improve the warning effect of the steering lamp.
Description
Technical Field
The invention relates to the technical field of vehicle lamp control, in particular to a dynamic steering lamp circuit and a vehicle.
Background
With the rapid development of economy in China, automobiles become daily transportation tools for thousands of families. However, with the increasing popularity of automobiles, the requirements for driving safety are gradually increased, and especially, the lighting system of the automobile is also more and more emphasized by people as an important part for ensuring the driving safety of the automobile. In order to meet the requirements of people on the safety of automobile lighting systems, more and more automobile manufacturers select LEDs (Light Emitting diodes) which are convenient to control and have wider application range as the Light sources of the automobile lamps.
The LEDs applied to the automobile are generally combined into an LED array in different modes such as series connection, parallel connection and the like so as to meet the requirement of automobile illumination intensity. However, as LED technology has further developed, the control of LEDs is not limited to simple series, parallel, and different indicators can be formed by controlling the status of LED particles. Based on the development of the LED technology, more and more automobile manufacturers invest in researching and developing LED automobile lamps which can meet the driving safety and improve the illumination warning effect. However, when the turn light is turned on, the current LED vehicle light control circuit generally can only control the LED light source to flash repeatedly at a certain frequency, resulting in a single light emitting mode, which is not enough to improve the attention of pedestrians.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, an object of the present invention is to provide a dynamic turn signal lamp circuit, which can realize the running light illumination of the dynamic turn signal lamp through simple components, not only has simple and flexible manner and low cost, but also can improve the warning effect of the turn signal lamp.
Two objects of the present invention are to provide a vehicle.
In order to achieve the above object, a first aspect of the present invention provides a dynamic turn signal circuit, which includes a plurality of LED (Light Emitting Diode) branches, a plurality of LED driving modules, a turn signal power supply, and a control module, wherein the plurality of LED driving modules are connected with the plurality of LED branches in a one-to-one correspondence manner, the power supply of the turn lights is respectively connected with each LED branch circuit, each LED driving module and the control module, to power each of said LED branches, each of said LED driver modules and said control module, the control module is respectively connected with the power supply of the steering lamp and each LED driving module and is used for acquiring the power supply period of the power supply of the steering lamp, and sequentially outputting drive control signals to the plurality of LED drive modules in each power supply period so as to realize the running water lighting of the plurality of LED branches.
According to the dynamic turn signal lamp circuit provided by the embodiment of the invention, the plurality of LED driving modules are correspondingly connected with the plurality of LED branches one by one, and are respectively connected with each LED branch, each LED driving module and the control module through the turn signal lamp power supply to supply power to each LED branch, each LED driving module and the control module, and are respectively connected with the turn signal lamp power supply and each LED driving module through the control module, so that the power supply period of the turn signal lamp power supply is obtained, and the driving control signals are sequentially output to the plurality of LED driving modules in each power supply period to realize the running water lighting of the plurality of LED branches, therefore, the running water lighting of the dynamic turn signal lamp can be realized through simple components, the mode is simple and flexible, the cost is low, and the warning effect of the turn signal lamp can be improved.
In addition, the dynamic turn signal lamp circuit proposed according to the above embodiment of the present invention may further have the following additional technical features:
according to an embodiment of the present invention, the dynamic turn signal lamp circuit further includes a voltage stabilizing module, the voltage stabilizing module is connected between the turn signal lamp power supply and the control module, and the voltage stabilizing module is configured to perform voltage stabilizing processing on the turn signal lamp power supply to provide a stable voltage for the control module.
Further, each LED branch comprises an LED or a plurality of LEDs connected in series, and one end of each LED branch is connected to the power supply of the turn signal lamp.
Further, each of the LED driving modules includes: the base electrode of the triode is connected to the power supply of the turn light through a first resistor and is grounded through a grounding branch circuit, and the collector electrode of the triode is connected with the other end of the corresponding LED branch circuit; the drain electrode of the NMOS tube is connected to the emitter electrode of the triode through a second resistor, the source electrode of the NMOS tube is grounded, the grid electrode of the NMOS tube is connected with one end of a third resistor, and the other end of the third resistor is used as a drive control signal input end.
Further, the control module includes an MCU (Microcontroller Unit) with a model of S9KEAZN8AMTG, and a plurality of pins of the MCU serve as a plurality of driving control signal output ends and are respectively connected to the driving control signal input ends of the plurality of LED driving modules in a one-to-one correspondence manner.
Further, the voltage stabilization module comprises a voltage stabilizer of model 78L 05.
Further, the driving control signal is a high level signal.
In order to achieve the above object, a second embodiment of the present invention provides a vehicle including the dynamic turn signal circuit of the first embodiment.
According to the vehicle provided by the embodiment of the invention, by adopting the dynamic steering lamp circuit provided by the embodiment, the running water lighting of the dynamic steering lamp can be realized through simple components, the cost is lower, and the driving safety can be improved.
Drawings
FIG. 1 is a block schematic diagram of a dynamic turn signal circuit in accordance with an embodiment of the present invention;
FIG. 2 is a block diagram of a dynamic turn signal circuit in accordance with one embodiment of the present invention;
FIG. 3 is a circuit diagram of a dynamic turn signal circuit in accordance with one embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
FIG. 1 is a block diagram of a dynamic turn signal circuit according to an embodiment of the present invention.
As shown in fig. 1, the dynamic turn signal lamp circuit according to the embodiment of the present invention includes a plurality of LED branches 10, a plurality of LED driving modules 20, a turn signal lamp power supply 30, and a control module 40. The plurality of LED driving modules 20 are connected with the plurality of LED branches 10 in a one-to-one correspondence manner, the turn signal lamp power supply 30 is respectively connected with each LED branch, each LED driving module and the control module 40 to supply power to each LED branch, each LED driving module and the control module 40, the control module 40 is respectively connected with the turn signal lamp power supply 30 and each LED driving module, and the control module 40 is used for acquiring a power supply period of the turn signal lamp power supply 30 and sequentially outputting driving control signals to the plurality of LED driving modules 20 in each power supply period to realize the flowing water lighting of the plurality of LED branches 10.
Further, as shown in fig. 2, the dynamic turn signal circuit of the embodiment of the present invention may further include a voltage stabilizing module 50. The voltage stabilizing module 50 is connected between the turn signal power supply 30 and the control module 40, and is configured to stabilize the turn signal power supply 30 to provide a stable voltage to the control module 40.
In one embodiment of the present invention, each LED branch may include one LED or a plurality of LEDs connected in series, and one end of each LED branch is connected to the turn signal power supply 30.
In one embodiment of the present invention, as shown in fig. 3, each LED branch includes three LEDs connected in series, for example, one LED branch includes three LEDs connected in series, i.e., TL1, TL2 and TL3, the anode of TL1 is connected to the turn signal power supply 30, the cathode of TL1 is connected to the anode of TL2, the cathode of TL2 is connected to the anode of TL3, and TL1 is connected in parallel to a capacitor TC10, TL2 is connected in parallel to a capacitor TC11, and TL3 is connected in parallel to a capacitor TC 12.
In one embodiment of the present invention, each LED driving module may include a transistor and an NMOS transistor. The base electrode of the triode is connected to the power supply 30 of the turn light through the first resistor and is grounded through the grounding branch, and the collector electrode of the triode is connected with the other end of the corresponding LED branch; the drain electrode of the NMOS tube is connected to the emitting electrode of the triode through the second resistor, the source electrode of the NMOS tube is grounded, the grid electrode of the NMOS tube is connected with one end of the third resistor, and the other end of the third resistor serves as the input end of the driving control signal.
In one embodiment of the present invention, as shown in fig. 3, one of the LED driving modules may include a transistor TQ2 and an NMOS transistor TM 1. The base electrode of the triode TQ2 can be connected with the steering power supply 30 through a first resistor TR8 and is respectively connected with one end of a capacitor TC9 and the anode of a diode TD3, the other end of the capacitor TC9 is grounded, a diode TD3 is grounded through a diode TD4, and the emitter electrode of the triode TQ2 is respectively connected with a second resistor, namely one end of a parallel resistor TR9 and one end of a parallel resistor TR 14; the drain of the NMOS transistor TM1 may be connected to the emitter of the transistor TQ2 through a second resistor, specifically, the drain of the NMOS transistor TM1 may be connected to the emitter of the transistor TQ2 by being connected to the other ends of the second resistors, i.e., the parallel resistors TR9 and TR14, respectively, the source of the NMOS transistor TM1 is grounded, the gate of the NMOS transistor TM1 is connected to one end of a third resistor, i.e., the resistor TR19, and the other end of the third resistor, i.e., the resistor TR19, may serve as a driving control signal input end.
In an embodiment of the present invention, the control module 40 may include an MCU with a model of S9KEAZN8AMTG, and a plurality of pins of the MCU may serve as a plurality of driving control signal output terminals, which are respectively connected to the driving control signal input terminals of the plurality of LED driving modules 20 in a one-to-one correspondence manner.
In an embodiment of the present invention, as shown in fig. 3, pins 9, 10, 11, 12, and 15 of the S9KEAZN8AMTG chip may be used as driving control signal output terminals, and are respectively connected to the other end of the resistor TR23, the other end of the resistor TR22, the other end of the resistor TR21, the other end of the resistor TR20, and the other end of the resistor TR19 in a one-to-one correspondence manner. The other end of the resistor TR23, the other end of the resistor TR22, the other end of the resistor TR21, the other end of the resistor TR20 and the other end of the resistor TR19 are all corresponding driving control signal input ends of the LED driving module.
In one embodiment of the present invention, the voltage regulator module 50 may include a 78L05 model voltage regulator. Meanwhile, the voltage stabilizing module 50 further includes a capacitor TC3 and a capacitor TC4 shown in fig. 3, wherein one end of the capacitor TC3 is connected to the VIN pins of the turn signal power supply 30 and the voltage stabilizer 78L05, respectively, and the other end of the capacitor TC3 is connected to the GND pin of the voltage stabilizer 78L05 and is grounded, respectively; one end of the capacitor TC4 is connected to the VOUT pin of the regulator 78L05, and the other end of the capacitor TC4 is connected to the GND pin of the regulator 78L05 and to ground, respectively.
In one embodiment of the present invention, the driving control signal may be a high level signal.
The following will specifically describe the process of controlling the LED to light by the dynamic turn signal circuit according to the embodiment of the present invention, taking the LED branch where TL1, TL2, and TL3 are located as an example shown in fig. 3.
As shown in fig. 3, after the turn signal lamp power supply 30 is turned on, the output power supply forms a working voltage VCC-T under the action of the rectifier diode TD2, and the working voltage VCC-T is input to the anode of the TL1 on one hand to supply power to the LED branch where the working voltage VCC-T is located, and is input to the base of the transistor TQ2 through the first resistor, i.e., the resistor TR8, to control the conduction of the transistor TQ 2.
In addition, the operating voltage VCC-T may be input to the VIN pin of the regulator 78L05, and the regulator 78L05 may regulate the input operating voltage VCC-T to form a stable voltage, for example, a stable 5V voltage, and may output the stable voltage through the VOUT pin.
Further, the S9KEAZN8AMTG chip may obtain a power cycle of the turn signal power supply 30 according to the output of the voltage regulator 78L05, that is, obtain a rising edge of each cycle of the turn signal power supply 30, and sequentially output a driving control signal, that is, a high level signal, through the driving control signal output terminal in each power cycle, for example, the S9KEAZN8AMTG chip may output a high level signal DT-1 through pin No. 15 in one power cycle.
Further, the S9KEAZN8AMTG chip may input the high level signal DT-1 output through the pin No. 15 to the driving control signal input end, that is, the other end of the third resistor TR19, and further may input the high level signal DT-1 to the gate of the NMOS transistor TM1 to control the NMOS transistor TM1 to be turned on, so that the LED branches where the TL1, TL2 and TL3 are located form a path to light the TL1, TL2 and TL 3.
Referring to the above embodiment, TL4, TL5 and TL6, TL7, TL8 and TL9, TL10, TL11 and TL12, TL13, TL14 and TL15 can be controlled to be lighted up correspondingly by outputting high level signals DT-2, DT-3, DT-4 and DT-5 through the S9KEAZN8AMTG chip. When the S9KEAZN8AMTG chip sequentially outputs high-level signals DT-1, DT-2, DT-3, DT-4 and DT-5 respectively, TL1, TL2 and TL3, TL4, TL5 and TL6, TL7, TL8 and TL9, TL10, TL11 and TL12, TL13, TL14 and TL15 can be correspondingly controlled to be sequentially lightened, and therefore running water lightening of the dynamic turn signal lamp is achieved.
According to the dynamic turn signal lamp circuit provided by the embodiment of the invention, the plurality of LED driving modules are correspondingly connected with the plurality of LED branches one by one, and are respectively connected with each LED branch, each LED driving module and the control module through the turn signal lamp power supply to supply power to each LED branch, each LED driving module and the control module, and are respectively connected with the turn signal lamp power supply and each LED driving module through the control module, so that the power supply period of the turn signal lamp power supply is obtained, and the driving control signals are sequentially output to the plurality of LED driving modules in each power supply period to realize the running water lighting of the plurality of LED branches, therefore, the running water lighting of the dynamic turn signal lamp can be realized through simple components, the mode is simple and flexible, the cost is low, and the warning effect of the turn signal lamp can be improved.
The invention further provides a vehicle corresponding to the embodiment.
The vehicle provided by the embodiment of the invention comprises the dynamic turn signal lamp circuit provided by the embodiment, and the specific implementation mode of the vehicle can refer to the embodiment.
According to the vehicle provided by the embodiment of the invention, by adopting the dynamic steering lamp circuit provided by the embodiment, the running water lighting of the dynamic steering lamp can be realized through simple components, the cost is lower, and the driving safety can be improved.
In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a developments turn signal lamp circuit, its characterized in that, includes a plurality of LED branch roads, a plurality of LED drive module, turn signal lamp power and control module, wherein, a plurality of LED drive module with a plurality of LED branch roads one-to-one links to each other, turn signal lamp power respectively with every LED branch road, every LED drive module with control module links to each other, for every LED branch road, every LED drive module with control module supplies power, control module respectively with turn signal lamp power and every LED drive module links to each other, control module is used for acquireing turn signal lamp power's power cycle to in order in every power cycle a plurality of LED drive module output drive control signal, in order to realize the flowing water of a plurality of LED branch roads is lighted.
2. The dynamic turn signal lamp circuit according to claim 1, further comprising a voltage stabilizing module, wherein the voltage stabilizing module is connected between the turn signal lamp power supply and the control module, and the voltage stabilizing module is configured to stabilize the turn signal lamp power supply to provide a stable voltage for the control module.
3. The dynamic turn signal lamp circuit according to claim 2, wherein each of the LED branches comprises one LED or a plurality of LEDs connected in series, and one end of each of the LED branches is connected to the turn signal lamp power supply.
4. The dynamic turn light circuit of claim 3, wherein each of the LED driver modules comprises:
the base electrode of the triode is connected to the power supply of the turn light through a first resistor and is grounded through a grounding branch circuit, and the collector electrode of the triode is connected with the other end of the corresponding LED branch circuit;
and the drain electrode of the NMOS tube is connected to the emitting electrode of the triode through a second resistor, the source electrode of the NMOS tube is grounded, the grid electrode of the NMOS tube is connected with one end of a third resistor, and the other end of the third resistor is used as a drive control signal input end.
5. The dynamic turn light circuit according to claim 4, wherein the control module comprises an MCU of type S9KEAZN8AMTG, and a plurality of pins of the MCU are used as a plurality of driving control signal output ends and are respectively connected to the driving control signal input ends of the plurality of LED driving modules in a one-to-one correspondence manner.
6. The dynamic turn signal lamp circuit of claim 5, wherein the voltage regulator module comprises a model 78L05 voltage regulator.
7. The dynamic turn signal lamp circuit according to claim 5, wherein the drive control signal is a high level signal.
8. A vehicle comprising a dynamic turn light circuit according to any one of claims 1-7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910847094.9A CN112566309A (en) | 2019-09-09 | 2019-09-09 | Dynamic turn signal lamp circuit and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910847094.9A CN112566309A (en) | 2019-09-09 | 2019-09-09 | Dynamic turn signal lamp circuit and vehicle |
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| CN112566309A true CN112566309A (en) | 2021-03-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246844A (en) * | 2021-05-06 | 2021-08-13 | 常州普络斯车业有限公司 | Indicator lamp for automobile |
| CN114704802A (en) * | 2021-11-05 | 2022-07-05 | 杰华特微电子股份有限公司 | Automobile dynamic steering lamp circuit and automobile dynamic steering lamp system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106853792A (en) * | 2016-12-30 | 2017-06-16 | 上海小糸车灯有限公司 | A kind of method for controlling turn signal to produce sequential to light effect |
| JP2018045851A (en) * | 2016-09-14 | 2018-03-22 | オムロンオートモーティブエレクトロニクス株式会社 | Lighting control device for turn lamp for vehicle |
| CN210725419U (en) * | 2019-09-09 | 2020-06-09 | 常州星宇车灯股份有限公司 | Dynamic turn signal lamp circuit and vehicle |
-
2019
- 2019-09-09 CN CN201910847094.9A patent/CN112566309A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018045851A (en) * | 2016-09-14 | 2018-03-22 | オムロンオートモーティブエレクトロニクス株式会社 | Lighting control device for turn lamp for vehicle |
| CN106853792A (en) * | 2016-12-30 | 2017-06-16 | 上海小糸车灯有限公司 | A kind of method for controlling turn signal to produce sequential to light effect |
| CN210725419U (en) * | 2019-09-09 | 2020-06-09 | 常州星宇车灯股份有限公司 | Dynamic turn signal lamp circuit and vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246844A (en) * | 2021-05-06 | 2021-08-13 | 常州普络斯车业有限公司 | Indicator lamp for automobile |
| CN114704802A (en) * | 2021-11-05 | 2022-07-05 | 杰华特微电子股份有限公司 | Automobile dynamic steering lamp circuit and automobile dynamic steering lamp system |
| CN114704802B (en) * | 2021-11-05 | 2024-02-20 | 杰华特微电子股份有限公司 | Automobile dynamic turn light circuit and automobile dynamic turn light system |
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