Car lamp control system
By setting the connection method between the turn signal driving module and the daytime running light driving module in the headlight control system, the daily running light is automatically turned off after the turn signal is turned on, solving the problem of weakening the turn signal warning effect, improving driving safety and The vehicle is recognizable, with a simple structure and low cost.
Patent Information
- Application Number
- CN202420370366.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-28
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-02-28
AI Technical Summary
When the existing daytime running lights and turn signal control systems are turned on at the same time, the warning effect of the turn signal becomes weaker, which increases the difficulty of driving, and requires the driver to pay attention to the light status at all times, resulting in distraction.
A car light control system was designed, through the electrical connection of the main control module, turn signal driving module, daytime running light driving module and turn signal module, the daily running light automatically turns off after turning the turn signal, and use constant current driving chip and LED. The driver chip controls the on and off of LED lights to meet safety and automotive requirements.
It realizes automatic switching of lights after turning on the turn signal, reduces the operator's operation difficulty, improves driving safety and vehicle recognition, and has a simple structure and low cost.
Smart Images
Figure CN222263088U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of vehicle lighting control technology, specifically relating to a vehicle lighting control system. Background Art
[0002] Daytime running lights are lights used while driving during the day. They can improve vehicle visibility and reduce the danger of forgetting to turn on the lights. Turn signals are lights used when a vehicle is turning to warn pedestrians or vehicles in front of or behind the vehicle.
[0003] Currently, most daytime running light control systems on the market only need to meet the standard. However, if the daytime running lights are turned on at the same time as the turn signals, the warning effect of the turn signals will be weakened, failing to achieve the desired indication effect and causing accidents. If the driver is required to turn on the turn signals and turn off the daytime running lights at the same time while driving, it will increase the difficulty of driving and require constant attention to the status of the daytime running lights and turn signals, causing the driver to be distracted.
[0004] Therefore, there is an urgent need to develop a new vehicle lighting control system to solve the above problems. Utility Model Content
[0005] The purpose of this invention is to provide a vehicle lighting control system.
[0006] To address the aforementioned technical problems, this utility model provides a vehicle lighting control system, comprising: a main control module, a turn signal drive module, a daytime running light drive module, a turn signal module, and a daytime running light module; wherein the turn signal drive module is electrically connected to the main control module, and the daytime running light drive module is electrically connected to the turn signal drive module; the turn signal module is electrically connected to the turn signal drive module, and the daytime running light module is electrically connected to the daytime running light drive module; the main control module is adapted to issue corresponding control commands to the turn signal drive module, and the control commands are output to the daytime running light drive module via the turn signal drive module; and the turn signal drive module is adapted to drive the turn signal module to open or close, and the daytime running light drive module is adapted to drive the daytime running light module to open or close.
[0007] Specifically, the turn signal drive module includes: at least two turn signal drive circuits; each turn signal drive circuit is connected to a corresponding output terminal on the main control module; each turn signal drive circuit is connected to the daytime running light drive module; and each turn signal drive circuit is connected to the turn signal module.
[0008] Specifically, the turn signal drive circuit is equipped with a constant current drive chip, which is connected to the main control module, the daytime running light drive module, and the turn signal module.
[0009] Specifically, the turn signal module includes at least two turn signal groups; each turn signal group is connected to a corresponding constant current drive chip.
[0010] Specifically, each of the turn signal groups is provided with a plurality of first LED lights; the first LED lights in each of the turn signal groups are connected in series.
[0011] Specifically, the daytime running light drive module includes: at least two daytime running light drive circuits; one daytime running light drive circuit corresponds to one turn signal drive circuit; each daytime running light drive circuit is connected to a corresponding turn signal drive circuit; and each turn signal drive circuit is connected to the daytime running light module.
[0012] Specifically, the daytime running light driving circuit includes an LED driver chip, which is connected to a constant current driver chip and a turn signal module.
[0013] Specifically, the daytime running light module includes at least two daytime running light groups; each daytime running light group is connected to a corresponding LED driver chip.
[0014] Specifically, each of the daytime running lights is provided with a plurality of second LED lights; and each of the second LED lights in each daytime running light group is connected in parallel.
[0015] Specifically, the vehicle lighting control system further includes: a voltage regulator chip; the input terminal of the voltage regulator chip is connected to a power supply, and the output terminal of the voltage regulator chip is connected to the main control module, the turn signal drive module, the daytime running light drive module, the turn signal module, and the daytime running light module.
[0016] The beneficial effects of this utility model are that, by setting the connection method between the turn signal drive module, the daytime running light drive module and the main control module, the daytime running light can be automatically turned off after the turn signal is turned on, realizing automatic switching of lights, which can meet automotive and safety requirements and share the same circuit, with a simple structure and low cost.
[0017] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention.
[0018] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description
[0019] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of the vehicle lighting control system of this utility model;
[0021] Figure 2 This is the circuit diagram of the main control module of this utility model;
[0022] Figure 3 This is a circuit diagram of the turn signal drive module of this utility model;
[0023] Figure 4 This is the circuit diagram of the turn signal module of this utility model;
[0024] Figure 5 This is a circuit diagram of the daytime running light driver module of this utility model;
[0025] Figure 6 This is the circuit diagram of the daytime running light module of this utility model;
[0026] Figure 7 This is the circuit diagram of the voltage regulator chip of this utility model.
[0027] In the picture:
[0028] U1, main control module; U2, constant current driver chip; U6, LED driver chip; TU1, voltage regulator chip. Detailed Implementation
[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0030] Example 1, in this example, as Figures 1 to 7As shown, this embodiment provides a vehicle lighting control system, which includes: a main control module U1, a turn signal drive module, a daytime running light drive module, a turn signal module, and a daytime running light module; wherein the turn signal drive module is electrically connected to the main control module U1, and the daytime running light drive module is electrically connected to the turn signal drive module; the turn signal module is electrically connected to the turn signal drive module, and the daytime running light module is electrically connected to the daytime running light drive module; the main control module U1 is adapted to issue corresponding control commands to the turn signal drive module, and the control commands are output to the daytime running light drive module via the turn signal drive module; and the turn signal drive module is adapted to drive the turn signal module to open or close, and the daytime running light drive module is adapted to drive the daytime running light module to open or close.
[0031] In this embodiment, by setting the connection method between the turn signal drive module, the daytime running light drive module and the main control module U1, the daytime running light can be automatically turned off after the turn signal is turned on, realizing automatic switching of lights. This can meet automotive-grade and safety requirements, and they share the same circuit. The structure is simple and the cost is low.
[0032] Specifically, the main control module U1 determines the working state based on the received signals, and the main control module U1 determines the start and stop of the operation. The turn signal drive module and the daytime running light drive module provide a constant output current, so that the working state of the turn signal module and the daytime running light module is in a relatively stable state.
[0033] Specifically, the main control module U1 uses a Microchip-PIC16F15344 microprocessor, which can realize multi-channel PWM signal control.
[0034] In this embodiment, the turn signal drive module includes: at least two turn signal drive circuits; each turn signal drive circuit is connected to a corresponding output terminal on the main control module U1; each turn signal drive circuit is connected to the daytime running light drive module; and each turn signal drive circuit is connected to the turn signal module.
[0035] In this embodiment, a four-way turn signal drive circuit is provided.
[0036] In this embodiment, the turn signal drive circuit is equipped with a constant current drive chip U2, which is connected to the main control module U1, the daytime running light drive module, and the turn signal module.
[0037] In this embodiment, the constant current driver chip U2 uses the Rohm-BD18326 chip, which can effectively control the constant current output of the circuit, improve the driving efficiency of the LED, and also play a role in LED open circuit detection and output ground fault protection, effectively improving the safety performance of the system and thus enhancing the reliability of the entire system.
[0038] In this embodiment, the turn signal module includes at least two turn signal groups; each turn signal group is connected to a corresponding constant current drive chip U2.
[0039] In this embodiment, each turn signal group is provided with a plurality of first LED lights; the first LED lights in each turn signal group are connected in series.
[0040] Specifically, please refer to Figure 4 LED12 to LED22 are all first LEDs, arranged in a flowing pattern to meet personalized display needs.
[0041] Specifically, the first LED light emits a yellow light to distinguish it from the daytime running light module.
[0042] In this embodiment, the turn signal groups are arranged in a sequential manner and turn on in turn. This not only serves as a warning to other vehicles so that they can observe the vehicle's status and reduce the incidence of traffic accidents, but also enhances the aesthetics. The eye-catching sequential turn signal arrangement makes it easier for vehicles in front, behind, and non-motorized vehicles to notice the vehicle's left and right turns, allowing them to avoid the vehicle in time and ensure safety. This design is easy to implement and highly practical.
[0043] In this embodiment, the daytime running light drive module includes: at least two daytime running light drive circuits; one daytime running light drive circuit corresponds to one turn signal drive circuit; each daytime running light drive circuit is connected to a corresponding turn signal drive circuit; and each turn signal drive circuit is connected to the daytime running light module.
[0044] In this embodiment, a four-way daytime running light drive circuit is provided.
[0045] In this embodiment, the daytime running light driving circuit includes an LED driver chip U6, which is connected to a constant current driver chip U2 and a turn signal module.
[0046] Specifically, the LED driver chip U6 uses the IS32LT3952 chip, which makes the priority of the LED driver chip U6 lower than that of the constant current driver chip U2.
[0047] In this embodiment, the daytime running light module includes at least two daytime running light groups; each daytime running light group is connected to a corresponding LED driver chip U6.
[0048] In this embodiment, each daytime running light group is provided with a plurality of second LED lights; the second LED lights in each daytime running light group are connected in parallel.
[0049] Specifically, please refer to Figure 6 LED1 to LED12 are all secondary LEDs, arranged in a flowing pattern to meet personalized display needs.
[0050] Specifically, the second LED light emits white light to distinguish it from the turn signal module.
[0051] In this embodiment, the vehicle lighting control system further includes a voltage regulator chip TU1; the input terminal of the voltage regulator chip TU1 is connected to a power supply, and the output terminal of the voltage regulator chip TU1 is connected to the main control module U1, the turn signal drive module, the daytime running light drive module, the turn signal module, and the daytime running light module.
[0052] Specifically, the voltage regulator chip TU1 uses the TMP1200 chip to form a BUCK circuit to step down the input voltage and stabilize it at 5V.
[0053] In summary, this utility model, by setting up a connection method between the turn signal drive module, the daytime running light drive module and the main control module, can automatically turn off the daytime running light after the turn signal is turned on, realizing automatic light switching. It can meet automotive-grade and safety requirements, and uses the same circuit. The structure is simple and the cost is low.
[0054] All devices selected in this application (parts whose specific structures are not described) are general standard parts or parts known to those skilled in the art, and their structures and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods. Furthermore, all software programs involved in this application are prior art, and this application does not involve any improvements to the software programs.
[0055] In the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0056] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0057] In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods can be implemented in other ways. The apparatus embodiments described above are merely illustrative. For example, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. Furthermore, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Additionally, the shown or discussed mutual couplings, direct couplings, or communication connections may be through some communication interfaces; indirect couplings or communication connections between devices or units may be electrical, mechanical, or other forms.
[0058] The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.
[0059] In addition, in the various embodiments of this utility model, each functional unit can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.
[0060] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.
Claims
1. A vehicle light control system, characterized in that: include: Main control module, turn signal driver module, daytime running light driver module, turn signal module and daytime running light module; in The turn signal driving module is electrically connected to the main control module, and the daytime running light driving module is electrically connected to the turn signal driving module; The turn signal module is electrically connected to the turn signal driving module, and the daytime running light module is electrically connected to the daytime running light driving module; The main control module is suitable for issuing corresponding control instructions to the turn signal driving module, and the control instructions are output to the daytime running light driving module via the turn signal driving module; as well as The turn signal driving module is suitable for driving the turn signal module to turn on or off, and the daytime running light driving module is suitable for driving the daytime running light module to turn on or off; The turn signal driving module comprises: at least two turn signal driving circuits; Each of the turn signal driving circuits is connected to a corresponding output terminal of the main control module; Each of the turn signal driving circuits is connected to a daytime running light driving module respectively; Each of the turn signal driving circuits is connected to a turn signal module respectively.
2. The vehicle light control system according to claim 1, characterized in that: The turn signal lamp driving circuit is provided with a constant current driving chip, and the constant current driving chip is connected to the main control module, the daytime running light driving module and the turn signal lamp module.
3. The vehicle light control system according to claim 2, characterized in that: The turn signal module comprises: at least two turn signal groups; Each of the turn signal lamp groups is connected to a corresponding constant current drive chip.
4. The vehicle light control system according to claim 3, characterized in that: A plurality of first LED lights are respectively arranged in each of the turn signal light groups; The first LED lamps in each of the turn signal lamp groups are connected in series in sequence.
5. The vehicle light control system according to claim 2, characterized in that: The daytime running light driving module comprises: at least two daytime running light driving circuits; One of the daytime running light driving circuits corresponds to one of the turn signal driving circuits; Each of the daytime running light driving circuits is connected to a corresponding turn signal driving circuit; Each of the turn signal driving circuits is connected to a daytime running light module respectively.
6. The vehicle light control system according to claim 5, characterized in that: The daytime running light driving circuit is provided with an LED driving chip, and the LED driving chip is connected to a constant current driving chip and a turn signal module.
7. The vehicle light control system according to claim 6, characterized in that: The daytime running light module includes: at least two daytime running light groups; Each of the daytime running light groups is connected to a corresponding LED driver chip.
8. The vehicle light control system according to claim 7, characterized in that: A plurality of second LED lights are respectively arranged in each of the daytime running light groups; The second LED lamps in each of the daytime running light groups are connected in parallel.
9. The vehicle light control system according to claim 1, characterized in that: Also includes: Voltage regulator chip; The input end of the voltage stabilizing chip is connected to a power supply, and the output end of the voltage stabilizing chip is connected to a main control module, a turn signal driving module, a daytime running light driving module, a turn signal module, and a daytime running light module.