CN218343370U

CN218343370U - Control system of automobile atmosphere lamp and automobile atmosphere lamp thereof

Info

Publication number: CN218343370U
Application number: CN202222909670.8U
Authority: CN
Inventors: 李琳; 恽刘茳; 柴正; 杨景
Original assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Current assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-01-20
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to an automobile lamps and lanterns control technical field especially relates to a control system of car atmosphere lamp and car atmosphere lamp thereof. A control system for an automotive atmosphere lamp comprising: the device comprises a vehicle body controller, an MCU control module and at least two paths of LED light-emitting modules; the MCU control module comprises a control chip U1, the control chip U1 comprises a signal input pin, a signal control pin and an I/0 pin, the signal input pin is connected with the automobile body controller, the signal control pin is connected with the input end of the LED light-emitting module, and the I/0 pin is connected with the output end of the LED light-emitting module. The utility model provides a control system of car atmosphere lamp can go out every RGB LED's bright going on solitary control, realizes the flowing water function of atmosphere lamp, has improved the sight of atmosphere lamp, satisfies masses ' customer's demand.

Description

Control system of automobile atmosphere lamp and automobile atmosphere lamp thereof

Technical Field

The utility model relates to an automobile lamps and lanterns control technical field especially relates to a control system of car atmosphere lamp and car atmosphere lamp thereof.

Background

At present, the passenger car pays attention to the driving experience, and the stimulation of light sensation is more direct than other facilities, so that a plurality of car types carrying interior atmosphere lamps appear in the market. However, atmosphere lamps of most vehicle models are mainly single white light, or some high-end vehicle models adopt RGB atmosphere lamps but are limited to driving single RGB LED. In the prior art, in order to solve the problem, application No. 202120412757.7 discloses a three-primary-color LED lamp group control circuit, which can directly drive more than one RGB three-primary-color LED lamp by using one elmos521.31 control chip, thereby greatly improving the performance of the product, but when the control circuit realizes the functions of lighting, brightness adjustment and color switching of a plurality of RGB LEDs, the control circuit cannot individually control the on and off of each RGB LED, cannot realize the water flow function of the atmosphere lamp, reduces the appreciation of the atmosphere lamp, and cannot meet the requirements of mass customers.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve current atmosphere lamp control circuit and can not go out to every RGB LED's bright and carry out solitary control, can't realize the technical problem of the flowing water function of atmosphere lamp, the utility model provides a control system of car atmosphere lamp can go out to every RGB LED's bright and carry out solitary control, realizes the flowing water function of atmosphere lamp, has improved the sight of atmosphere lamp, satisfies masses customer's demand.

The utility model provides a technical scheme that its technical problem adopted is: a control system for an automotive ambiance light, comprising: the system comprises a vehicle body controller, an MCU control module and at least two paths of LED light emitting modules; the MCU control module comprises a control chip U1, the control chip U1 comprises a signal input pin, a signal control pin and an I/0 pin, the signal input pin is connected with the automobile body controller, the signal control pin is connected with the input end of each path of LED light-emitting module, and the I/0 pin is connected with the output end of each path of LED light-emitting module.

Further, specifically, the model of the control chip U1 is an E521.31 integrated chip of elmer, signal input pins of the control chip U1 are a LIN _ M pin and a LIN _ S pin, signal control pins of the control chip U1 include an OUT2 pin, an OUT3 pin and an OUT4 pin, and the number of the I/0 pins is six.

Further, specifically, the number of the LED light-emitting modules is six, the output end of each LED light-emitting module corresponds to the I/0 pin one by one, and each LED light-emitting module is connected to the corresponding I/0 pin.

Further, specifically, each of the LED light emitting modules includes an RGB LED, a pin 3 of the RGB LED is connected to an OUT2 pin of the control chip, a pin 6 of the RGB LED is connected to an OUT3 pin of the control chip, a pin 1 of the RGB LED is connected to an OUT4 pin of the control chip, and a pin 4, a pin 5, and a pin 2 of the RGB LED are connected to each other and then connected to the corresponding I/0 pin.

Further, specifically, each path of LED light emitting module further includes a triode Q1, a resistor R1 and a resistor R2, the pin 4, the pin 5 and the pin 2 of the RGB LED are connected, and then connected to the collector of the triode Q1, one end of the resistor R1 and one end of the resistor R2 are both connected to the base of the triode Q1, the other end of the resistor R1 is connected to the corresponding I/0 pin, and the other end of the resistor R2 and the emitter of the triode Q1 are both connected to a common ground.

Further, specifically, a resistor R17 is connected between the pin 3 of the RGB LED and the pin OUT2 of the control chip, a resistor R16 is connected between the pin 6 of the RGB LED and the pin OUT3 of the control chip, and a resistor R15 is connected between the pin 1 of the RGB LED and the pin OUT4 of the control chip.

Further, the vehicle body controller comprises an interface module, wherein the LIN _ M pin and the LIN _ S pin are connected with the interface module, and the vehicle body controller is connected with the interface module through an LIN bus.

Further, specifically, the transistor Q1 is an NPN-type transistor.

An automobile atmosphere lamp adopts the control system of the automobile atmosphere lamp.

The beneficial effects of the utility model are that, the utility model discloses a control system of car atmosphere lamp is connected through I/0 pin and LED light emitting module's output, and the bright of single RGB LED of individual control goes out, realizes the flowing water function of atmosphere lamp, has improved the sight of atmosphere lamp, satisfies masses ' customer's demand, and simple structure, and the practicality is good.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the preferred embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of another embodiment of the present invention.

In the figure 1, a vehicle body controller; 2. an MCU control module; 3. an LED light emitting module; 4. and an interface module.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

As shown in fig. 1-3, which are preferred embodiments of the present invention, a control system for an automotive atmosphere lamp includes: the system comprises a vehicle body controller 1, an MCU control module 2 and at least two paths of LED light-emitting modules 3; the MCU control module 2 comprises a control chip U1, the control chip U1 comprises a signal input pin, a signal control pin and an I/0 pin, the signal input pin is connected with the automobile body controller 1, the signal control pin is connected with the input end of each path of LED light-emitting module 3, and the I/0 pin is connected with the output end of each path of LED light-emitting module 3. The vehicle body controller 1 is used for providing power signals and control signals for the MCU control module 2 and the LED light-emitting module 3, when the MCU control module 2 receives the control signals, the control signals are transmitted to the LED light-emitting module 3, and the LED light-emitting module 3 receives and executes the control signals.

It should be noted that the positive terminal of the LED light emitting module 3 is an input terminal, and the negative terminal is an output terminal, in the prior art, the LED light emitting module 3 is only a control module whose input terminal is connected to the MCU, the LED light emitting modules 3 are connected in parallel, and the output terminal is connected to the common ground, so that the simultaneous change of the LED light emitting modules 3, i.e. the synchronous operation of color, brightness, turning-off and turning-on, cannot be performed separately on a single LED light emitting module 3, and cannot realize the function of a water lamp. In the embodiment of the present invention, the control signal includes a lighting signal, a brightness adjusting signal, a color switching signal, a closing signal or a flowing light signal, when the control signal is the lighting signal, the brightness adjusting signal and the closing signal, the lighting signal, the brightness adjusting signal and the closing signal are received through the signal input pin of the MCU control module 2, and are transmitted to the input end of the LED lighting module 3 of the vehicle body through the signal control pin, and the LED lighting module 3 executes the control signal; when the control signal is the water lamp signal, the water lamp signal is received by the signal input pin of the MCU control module 2 and transmitted to the output end of the LED light-emitting module 3 through the I/0 pin, and the LED light-emitting module 3 executes the control signal, so that the on/off of the LED light-emitting module 3 can be controlled independently, the water function of the atmosphere lamp is realized, the ornamental value of the atmosphere lamp is improved, and the requirements of mass customers are met.

The embodiment of the utility model provides an in, control chip U1 ' S model adopts the E521.31 integrated chip of Elmer, and control chip U1 ' S signal input pin is LIN _ M pin and LIN _ S pin, and control chip U1 ' S signal control pin includes OUT2 pin, OUT3 pin and OUT4 pin, the quantity of I/0 pin has six.

The number of the LED light-emitting modules 3 is six, the output ends of the LED light-emitting modules 3 in each path correspond to the I/0 pins one by one, and each path of the LED light-emitting modules 3 is connected with the corresponding I/0 pin, so that the independent control of each path of the LED light-emitting modules 3 is realized; each LED light-emitting module 3 comprises an RGB LED, a pin 3 of the RGB LED is connected with a pin OUT2 of the control chip, a pin 6 of the RGB LED is connected with a pin OUT3 of the control chip, a pin 1 of the RGB LED is connected with a pin OUT4 of the control chip, and a pin 4, a pin 5 and a pin 2 of the RGB LED are connected and then connected with a corresponding pin I/0. The pin 4, the pin 5 and the pin 2 of the RGB LED are connected with the pin I/0 of the control chip U1, and the on/off of the RGB LED is controlled through the output of the pin I/0, so that the function of dynamic flowing water is realized.

Each path of LED light-emitting module 3 further comprises a triode Q1, a resistor R1 and a resistor R2, wherein pins 4, 5 and 2 of the RGB LEDs are connected and then connected with a collector of the triode Q1, one end of the resistor R1 and one end of the resistor R2 are connected with a base of the triode Q1, the other end of the resistor R1 is connected with a corresponding I/0 pin, and the other end of the resistor R2 and an emitting electrode of the triode Q1 are connected with a common ground end. The transistor Q1 is an NPN-type transistor. When the I/0 pin outputs a high level, Q1 is conducted, when the I/0 pin outputs a low level, Q1 is cut off, the triode Q1 can play a role in switching, and the resistor R1 and the resistor R2 play a role in current limiting and voltage dividing to protect the circuit.

The utility model discloses in some embodiments, connecting resistance R17 between RGB LED's pin 3 and control chip's OUT2 pin, connecting resistance R16 between RGB LED's pin 6 and control chip's OUT3 pin, connecting resistance R15 between RGB LED's pin 1 and control chip's OUT4 pin, resistance R15, resistance R16 and resistance R17 play the effect of current-limiting partial pressure protection.

In the embodiment of the utility model, still include interface module 4, LIN_M pin and LIN _ S pin all to be connected with interface module 4, automobile body controller 1 passes through the LIN bus to be connected with interface module 4, ensures that the signal is effectively transmitted between automobile body controller 1 and MCU control module 2, and realizes with low costs.

The utility model provides a control system that car atmosphere lamp, car atmosphere lamp adopt as above car atmosphere lamp.

The utility model discloses a control system of car atmosphere lamp is connected through I/0 pin and LED light-emitting module 3's output, and the bright of single RGB LED that can the independent control goes out, realizes the flowing water function of atmosphere lamp, has improved the sight of atmosphere lamp, satisfies masses ' customer's demand, and simple structure, and the practicality is good.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A control system of an automotive atmosphere lamp, comprising: the LED vehicle body comprises a vehicle body controller (1), an MCU control module (2) and at least two LED light-emitting modules (3);

the MCU control module (2) comprises a control chip U1, the control chip U1 comprises a signal input pin, a signal control pin and an I/0 pin, the signal input pin is connected with the automobile body controller (1), the signal control pin is connected with the input end of each LED light-emitting module (3), and the I/0 pin is connected with the output end of each LED light-emitting module (3).

2. The control system of the automobile atmosphere lamp as claimed in claim 1, wherein the model of the control chip U1 is E521.31 integrated chip of Elmer, the signal input pins of the control chip U1 are LIN _ M pin and LIN _ S pin, the signal control pins of the control chip U1 comprise OUT2 pin, OUT3 pin and OUT4 pin, and the number of the I/0 pins is six.

3. The control system of the automobile atmosphere lamp as claimed in claim 2, wherein the number of the LED light-emitting modules (3) is six, the output end of each LED light-emitting module (3) corresponds to the I/0 pin in a one-to-one mode, and each LED light-emitting module (3) is connected with the corresponding I/0 pin.

4. The control system of the automobile atmosphere lamp as claimed in claim 3, wherein each LED light-emitting module (3) comprises an RGB LED, pin 3 of the RGB LED is connected with the OUT2 pin of the control chip, pin 6 of the RGB LED is connected with the OUT3 pin of the control chip, pin 1 of the RGB LED is connected with the OUT4 pin of the control chip, and pin 4, pin 5 and pin 2 of the RGB LED are connected with the corresponding I/0 pin after connection.

5. The control system of the vehicle atmosphere lamp according to claim 4, wherein each of the LED light emitting modules (3) further comprises a transistor Q1, a resistor R1 and a resistor R2, the pins 4, 5 and 2 of the RGB LEDs are connected and then connected with the collector of the transistor Q1, one end of the resistor R1 and one end of the resistor R2 are both connected with the base of the transistor Q1, the other end of the resistor R1 is connected with the corresponding I/0 pin, and the other end of the resistor R2 and the emitter of the transistor Q1 are both connected with a common ground.

6. The control system of the automobile atmosphere lamp as claimed in claim 5, wherein a resistor R17 is connected between a pin 3 of the RGB LED and an OUT2 pin of the control chip, a resistor R16 is connected between a pin 6 of the RGB LED and an OUT3 pin of the control chip, and a resistor R15 is connected between a pin 1 of the RGB LED and an OUT4 pin of the control chip.

7. The control system of automotive atmosphere lamps as claimed in claim 2, further comprising an interface module (4), wherein the LIN _ M pin and the LIN _ S pin are both connected to the interface module (4), and wherein the body controller (1) is connected to the interface module (4) through a LIN bus.

8. The control system of an automotive atmosphere lamp as defined in claim 5 wherein the transistor Q1 is an NPN transistor.

9. An automotive atmosphere lamp, characterized in that the automotive atmosphere lamp adopts the control system of the automotive atmosphere lamp as claimed in any one of claims 1 to 8.