Electric vehicle charging indicator lamp control system and control method
The control system for electric vehicle charging indicator lights uses RGB LEDs and advanced modules to provide detailed charging status information through intelligent lighting effects, addressing the limitations of traditional systems by enhancing user experience and reducing power consumption.
Patent Information
- Application Number
- CN202411402936.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2024-12-27
AI Technical Summary
Existing electric vehicle charging indicator lights lack the ability to intelligently display a variety of lighting effects to provide users with detailed charging status information.
A control system incorporating RGB LED lamp beads, a power supply voltage stabilization module, a main controller module, a signal transceiver module, and an LED drive control module, which allows for the display of different charging status information through controlled color and brightness of RGB LEDs, including constant, flashing, and breathing lighting effects, with real-time monitoring and fault detection.
The system effectively displays diverse lighting effects to inform users of charging status accurately and efficiently, while minimizing power consumption during idle periods, ensuring user experience and energy savings.
Smart Images
Figure CN119212153A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of electric vehicle indicator lights, and in particular to a control system and a control method for an electric vehicle charging indicator light. Background Art
[0002] In recent years, as electric vehicles become more and more popular, the charging indicator light, as an important part of electric vehicles, has become a key factor in attracting users with its rich lighting effects. During its operation, it needs to be controlled accordingly through a control system and a control method. However, the existing control systems and control methods still have the following technical problems when used: At present, the lighting effects of traditional electric vehicle charging indicator lights are relatively simple. The charging indicator light system is directly powered and lit by the vehicle-side power supply system. It is impossible to intelligently control the indicator light to display a variety of lighting effects to provide users with more charging status information.
[0003] Therefore, a control system and a control method for an electric vehicle charging indicator light are proposed to solve the above-mentioned problems. Summary of the invention
[0004] The object of the present invention is to provide a control system and a control method for an electric vehicle charging indicator light to solve the problems raised in the above background technology.
[0005] To achieve the above object, the present invention provides the following technical solutions: an electric vehicle charging indicator light control system, the electric vehicle charging indicator light control system comprising RGB LED lamp beads, a power supply voltage stabilization module, a main controller module, a signal transceiver module and an LED drive control module; The power supply voltage regulator module is used to provide a stable voltage to the main control module and the RGB LED to ensure stable operation of the system; The main controller module is used to store computer programs, has strong anti-interference performance, and is used to receive and send LIN signals and exchange information with the vehicle controller; the main controller module processes and analyzes the LIN signal indicator light status requirements and communicates with the LED drive control module through SPI, and sends the corresponding command information for controlling the color and brightness of the RGB LED to the LED drive control module; The LED drive control module is used to control the color and brightness of the RGB LED to display different charging status information, including charging connection status, disconnection status, charging status, charging fault status and charging completion status. Its lighting effects include constant lighting effects, flashing lighting effects and breathing lighting effects of LEDs of different colors.
[0006] Preferably, the main controller module has an internal integrated signal transceiver module, and the signal transceiver module is a LIN signal transceiver module.
[0007] Preferably, the main controller module is an MCU processor.
[0008] Preferably, the electric vehicle charging indicator light control system further includes a body-side power supply module, and the body-side power supply module supplies power to the entire system.
[0009] A method for controlling a charging indicator light of an electric vehicle, the method for controlling a charging indicator light of an electric vehicle is specifically as follows; Step 1: Control the RGB LED to display information: The LIN signal sent by the vehicle system is received through the built-in LIN transceiver of the control module, and the controller parses and processes it into the corresponding command signal, and controls the LED driver module to make the RGBLED display the corresponding color and lighting effect; Step 2, charging indicator light system: send real-time charging status information to the vehicle system through the LIN bus to monitor the real-time charging status, so that the vehicle system can determine whether the status information sent is consistent with the status information uploaded by the charging indicator light, and avoid the RGB LED indicating the wrong status information; Step 3, LIN communication fault detection part: When the charging indicator light system is in working state, whether there is a communication fault is reported to the vehicle system through the LIN bus. Whether it is the signal sent by the vehicle system or the signal uploaded by the charging indicator light, fault detection will be performed, and the specific fault detection result will be sent back to the vehicle system and fed back to the user; Step 4: Control the sleep and wake-up part of the charging indicator light system: When the charging indicator light is powered normally, when the whole vehicle system stops communicating with the charging indicator light system, the charging indicator light system will turn off the charging status information display after a period of time, and stop working and enter the sleep state. During this period, it is in a state of waiting for work and the system is in power saving mode; when the whole vehicle system communicates with the charging indicator light system again, the charging indicator light is awakened, immediately enters the working state and communicates with the whole vehicle system, and the RGB LED displays the corresponding charging status information.
[0010] Compared with the prior art, the present invention has the following beneficial effects: The control system proposed in the present application controls the LED driving module by communicating with the whole vehicle system to update the RGB LED color and brightness data to display a variety of lighting effects. The system can monitor the working status of the RGB LED in real time, effectively avoiding the RGB LED indicating erroneous status information, and meeting the user's experience needs; and the system can monitor the communication status and cause of the fault in real time, and can promptly feedback it to the whole vehicle system and finally to the user; and this system has extremely low power consumption when waiting for work, and has significant energy-saving advantages. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1This is a schematic diagram of a charging indicator light control system according to an embodiment of the present invention; Figure 2 This is a schematic diagram of an RGB LED control method of a charging indicator light system according to an embodiment of the present invention; Figure 3 A schematic diagram of a charging status monitoring method of a charging indicator light system according to an embodiment of the present invention; Figure 4 This is a schematic diagram of a LIN communication fault monitoring method for a charging indicator light system according to an embodiment of the present invention; Figure 5 It is a schematic diagram of a charging indicator light system sleep and wake-up control method according to an embodiment of the present invention. DETAILED DESCRIPTION
[0012] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0013] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0014] Example: See also Figure 1-5 , the present invention provides a technical solution: The invention discloses a control system for a charging indicator light of an electric vehicle, which comprises an RGB LED lamp bead, a power supply voltage stabilizing module, a main controller module, a signal transceiver module and an LED driving control module. The integrated solution of the main controller module and the signal transceiver module in the system can effectively improve the anti-interference performance of the signal transceiver. The controller module updates the data of the LED driving module in real time by receiving a LIN signal sent by a whole vehicle system to realize the constant light, flashing and breathing indication states of the RGB LED.
[0015] The power supply voltage regulator module is used to provide a stable voltage to the main control module and the RGB LED to ensure stable operation of the system; The main controller module is used to store computer programs, has strong anti-interference performance, and is used to receive and send LIN signals and exchange information with the vehicle controller; the main controller module processes and analyzes the LIN signal indicator light status requirements and communicates with the LED drive control module through SPI, and sends the corresponding command information for controlling the color and brightness of the RGB LED to the LED drive control module; The LED drive control module is used to control the color and brightness of the RGB LED to display different charging status information, including charging connection status, disconnection status, charging status, charging fault status and charging completion status. Its lighting effects include constant lighting effects, flashing lighting effects and breathing lighting effects of LEDs of different colors.
[0016] The main controller module has an internal integrated signal transceiver module, and the signal transceiver module is a LIN signal transceiver module.
[0017] The main controller module is an MCU processor.
[0018] The electric vehicle charging indicator light control system also includes a body-side power supply module, which supplies power to the entire system.
[0019] A method for controlling a charging indicator light of an electric vehicle, the method for controlling a charging indicator light of an electric vehicle is specifically as follows; Step 1: Control the RGB LED to display information: The LIN signal sent by the vehicle system is received through the built-in LIN transceiver of the control module, and the controller parses and processes it into the corresponding command signal, and controls the LED driver module to make the RGBLED display the corresponding color and lighting effect; The controller communicates with the LED driver module via SPI communication to control the LED driver module to output corresponding color and brightness data information; The charging indicator light system periodically receives LIN signal instructions, and its periodic interval is within 100ms; the charging indicator light system communicates with the LED driver module in SPI communication mode according to the received LIN signal instructions to finally realize the corresponding state output, effectively avoiding the situation where the indication information does not match the actual state; The charging indicator light has many types of indication information, including RGB LED constant light effect, flashing light effect and breathing light effect. The MCU controller periodically updates the color and brightness data information of the LED driver module, and considering the stability and smoothness of the breathing light effect, combined with the MCU controller performance and the control accuracy of the driver module brightness information, the periodic time interval is set to 2ms.
[0020] Among them, the RGB LED indicator status of the charging indicator is mostly a periodic execution status. For example, the charging status is blue breathing, and the RGB LED will periodically display the blue breathing light effect in this state; when the LIN signal instruction received by the MCU changes, it switches from one indication state to another, and at this time the previous state of the RGB LED has not completed a complete lighting effect cycle; in order to ensure smooth switching of the RGB LED indication state and better user experience, the charging indicator state will maintain the previous indication state until a complete cycle is completed.
[0021] Step 2, charging indicator light system: send real-time charging status information to the vehicle system through the LIN bus to monitor the real-time charging status, so that the vehicle system can determine whether the status information sent is consistent with the status information uploaded by the charging indicator light, and avoid the RGB LED indicating the wrong status information; The charging indicator light system collects the current indication status information in real time and sends it to the vehicle system through LIN communication. The vehicle system compares the command signal it sends with the command signal sent back. If there is any inconsistency, it will feedback to the user.
[0022] Step 3, LIN communication fault detection part: When the charging indicator light system is in working state, whether there is a communication fault is reported to the vehicle system through the LIN bus. Whether it is the signal sent by the vehicle system or the signal uploaded by the charging indicator light, fault detection will be performed, and the specific fault detection result will be sent back to the vehicle system and fed back to the user; First, determine whether communication fault information and specific fault cause information appear. Second, if the same fault information appears twice in succession during the communication process, it is determined that this fault has occurred. Finally, the specific fault cause information is uploaded to the vehicle system.
[0023] Step 4: Control the sleep and wake-up part of the charging indicator light system: When the charging indicator light is powered normally, when the vehicle system stops communicating with the charging indicator light system, the charging indicator light system will turn off the charging status information display after 4s, stop working and enter the sleep state. During this period, it is in a state of waiting for work, and its current consumption is as low as 5uA, and the system is in power saving mode; when the vehicle system communicates with the charging indicator light system again, the charging indicator light is awakened, immediately enters the working state and communicates with the vehicle system, and the RGB LED displays the corresponding charging status information.
[0024] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any figure marks in the claims should not be regarded as limiting the claims involved.
[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An electric vehicle charging indicator light control system, characterized in that: The electric vehicle charging indicator light control system includes RGB LED lamp beads, a power supply voltage stabilization module, a main controller module, a signal transceiver module and an LED drive control module; The power supply voltage regulator module is used to provide a stable voltage to the main control module and the RGB LED to ensure stable operation of the system; The main controller module is used to store computer programs, has strong anti-interference performance, and is used to receive and send LIN signals and exchange information with the vehicle controller; the main controller module processes and analyzes the LIN signal indicator light status requirements and communicates with the LED drive control module through SPI, and sends the corresponding command information for controlling the color and brightness of the RGB LED to the LED drive control module; The LED drive control module is used to control the color and brightness of the RGB LED to display different charging status information, including charging connection status, disconnection status, charging status, charging fault status and charging completion status. Its lighting effects include constant lighting effects, flashing lighting effects and breathing lighting effects of LEDs of different colors.
2. The electric vehicle charging indicator light control system according to claim 1, characterized in that: The main controller module has an internal integrated signal transceiver module, and the signal transceiver module is a LIN signal transceiver module.
3. The electric vehicle charging indicator light control system according to claim 1, characterized in that: The main controller module is an MCU processor.
4. The electric vehicle charging indicator light control system according to claim 1, characterized in that: The electric vehicle charging indicator light control system also includes a body-side power supply module, which supplies power to the entire system.
5. A method for controlling an electric vehicle charging indicator light, characterized in that: The electric vehicle charging indicator light control method is as follows: Step 1: Control the RGB LED to display information: The LIN signal sent by the vehicle system is received through the built-in LIN transceiver of the control module, and the controller parses and processes it into the corresponding command signal, and controls the LED driver module to make the RGB LED display the corresponding color and lighting effect; Step 2, charging indicator light system: send real-time charging status information to the vehicle system through the LIN bus to monitor the real-time charging status, so that the vehicle system can determine whether the status information sent is consistent with the status information uploaded by the charging indicator light, and avoid the RGB LED indicating the wrong status information; Step 3, LIN communication fault detection part: When the charging indicator light system is in working state, whether there is a communication fault is reported to the vehicle system through the LIN bus. Whether it is the signal sent by the vehicle system or the signal uploaded by the charging indicator light, fault detection will be performed, and the specific fault detection result will be sent back to the vehicle system and fed back to the user; Step 4: Control the sleep and wake-up part of the charging indicator light system: When the charging indicator light is powered normally, when the whole vehicle system stops communicating with the charging indicator light system, the charging indicator light system will turn off the charging status information display after a period of time, and stop working and enter the sleep state. During this period, it is in a state of waiting for work and the system is in power saving mode; when the whole vehicle system communicates with the charging indicator light system again, the charging indicator light is awakened, immediately enters the working state and communicates with the whole vehicle system, and the RGB LED displays the corresponding charging status information.