CN119694025A - An integrated system and control method of PEPS controller, wireless charging and NFC - Google Patents
An integrated system and control method of PEPS controller, wireless charging and NFC Download PDFInfo
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- CN119694025A CN119694025A CN202411536559.6A CN202411536559A CN119694025A CN 119694025 A CN119694025 A CN 119694025A CN 202411536559 A CN202411536559 A CN 202411536559A CN 119694025 A CN119694025 A CN 119694025A
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Abstract
本发明提供一种PEPS控制器与无线充电和NFC的集成系统，所述集成系统包括：车载无线充电装置，用于对NFC钥匙无线充电；NFC模块，与所述车载无线充电装置通信连接，用于执行NFC钥匙的轮询认证；PEPS控制单元，与所述车载无线充电装置和NFC模块通信连接，用于感测触发信号，接受触发信号后响应NFC钥匙检测请求，控制所述车载无线充电装置与所述NFC模块的工作模式自动切换。本发明的技术方案通过PEPS模块、NFC模块与无线充电模块的系统化、一体化集成控制，单一化、高集成度模块能够降低成本，提升用户使用的便携性，同时提高了车辆系统的安全性。
The present invention provides an integrated system of a PEPS controller, wireless charging and NFC, the integrated system comprising: an on-board wireless charging device for wirelessly charging an NFC key; an NFC module, which is connected to the on-board wireless charging device in communication and is used to perform polling authentication of the NFC key; a PEPS control unit, which is connected to the on-board wireless charging device and the NFC module in communication and is used to sense a trigger signal, respond to an NFC key detection request after receiving the trigger signal, and control the automatic switching of the working modes of the on-board wireless charging device and the NFC module. The technical solution of the present invention uses the systematic and integrated control of the PEPS module, the NFC module and the wireless charging module, and the single and highly integrated module can reduce costs, improve the portability of user use, and improve the safety of the vehicle system.
Description
Technical Field
The invention relates to the field of vehicle control, in particular to an integrated system of a PEPS controller and wireless charging and NFC and a control method.
Background
In the prior art, keyless starting is realized through the NFC technology at present, and an NFC function is combined with a wireless charging device for a vehicle. For realizing keyless starting through NFC technology, the principle is that a user carries mobile equipment with an NFC chip, identity verification information is input, an NFC reader reads the identity verification information stored in the NFC chip and sends an identity verification signal to a vehicle body control unit, the vehicle body control unit decodes and verifies the identity verification information, after the user enters a vehicle, a vehicle controller checks whether seats are occupied or not, if the seats are occupied, all vehicle doors are automatically closed, warning signals are sent out, if the seats are unoccupied, the vehicle controller starts an engine and sends out starting signals, after the user closes the vehicle doors and starts to drive, the vehicle controller detects acceleration and other sensors of the vehicle, and the keyless entry starting of the vehicle is realized by utilizing the NFC technology.
For PEPS (passive entry passive start) in combination with a wireless charging system, the principle can be expressed as that when the PEPS control receives a trigger signal to start searching for a key, it will respond quickly, and the low frequency antenna in the vehicle is driven to transmit an LF signal to locate the key. Meanwhile, through an intelligent bus or a hard wire communication mechanism, the PEPS control can send a signal to the wireless charger in real time to instruct the wireless charger to suspend the wireless charging function so as to ensure the pure transmission of the LF signal.
Currently, although the application of the combination of the NFC system, the PEPS system and the wireless charging system has advanced to some extent, this mode generally depends on a complicated multi-CAN line or hard-wire connection, which not only greatly increases the cost burden, but also limits the further improvement of the operation convenience. With the advancement of technology, existing two-by-two systems have been difficult to meet the urgent market demands for high integration and operational convenience.
Disclosure of Invention
An object of the embodiments of the present invention is to provide an integrated system and a control method for PEPS controller and wireless charging and NFC, where a single and high-integration module can reduce cost, improve portability of user use, and improve safety of a vehicle system through integrated control of a PEPS system, an NFC system and a wireless charging system.
The invention provides an integrated system of a PEPS controller and wireless charging and NFC, which comprises:
The vehicle-mounted wireless charging device is used for wirelessly charging the NFC key;
the NFC module is in communication connection with the vehicle-mounted wireless charging device and is used for executing polling authentication of an NFC key;
And the PEPS control unit is in communication connection with the vehicle-mounted wireless charging device and the NFC module and is used for sensing a trigger signal, responding to an NFC key detection request after receiving the trigger signal and controlling the working modes of the vehicle-mounted wireless charging device and the NFC module to be automatically switched.
In one embodiment of the present invention, the PEPS control unit includes:
MCU;
The low-frequency driving module is in communication connection with the MCU and is used for receiving signals of the MCU;
And the high-frequency receiving module is in communication connection with the MCU and is used for sending signals to the MCU.
In an embodiment of the present invention, the PEPS control unit, the vehicle-mounted wireless charging device and the NFC module are connected through an internal SPI, I2C, UART or wireless communication.
The invention also provides an integrated control method for PEPS control and wireless charging, which uses the integrated system in the embodiment to execute control, and comprises the following steps:
Reading the NFC key identity information when the NFC key is close to the vehicle;
The vehicle body control unit receives the identity information, decodes and verifies the identity information, and if the identity information is correct, the vehicle door is unlocked;
When an NFC key is arranged in a vehicle-mounted wireless charging device, the vehicle-mounted wireless charging device charges the NFC key;
When the PEPS control unit receives the trigger signal, the PEPS control unit responds to the NFC key detection requirement to control the automatic switching of the working modes of the vehicle-mounted wireless charging device and the NFC module.
In an embodiment of the present invention, the step of controlling the PEPS control unit to automatically switch the working modes of the vehicle-mounted wireless charging device and the NFC module includes:
Controlling the vehicle-mounted wireless charging to be switched to an NFC module working mode, and executing polling authentication of an NFC key by the NFC module;
And if the authentication is completed, closing the NFC module working mode, and starting the charging mode of the vehicle-mounted wireless charging device.
In an embodiment of the present invention, when the PEPS control unit receives the trigger signal, the step of responding to the NFC key detection requirement includes:
when the NFC key enters the vehicle, the brake is pressed down and the start button is pressed down, and the vehicle body control unit sends out a trigger signal.
In one embodiment of the present invention, the step of receiving the identity information and decoding and verifying the identity information by the vehicle body control unit further includes re-inputting the identity information if the identity information is not verified correctly.
In an embodiment of the present invention, the step of controlling the PEPS control unit to automatically switch the working modes of the vehicle-mounted wireless charging device and the NFC module further includes repeatedly executing the polling authentication of the NFC key if the authentication is not completed due to the timeout.
In an embodiment of the present invention, after the step of receiving the identity information by the vehicle body control unit, decoding and verifying the identity information, if the identity information is correct, the step of unlocking the vehicle door further includes:
and if the vehicle door is opened, the vehicle body control unit sends out a power-on signal.
In an embodiment of the invention, the step of sending the power-on signal by the vehicle body control unit if the vehicle door is opened includes:
Judging whether the vehicle door is closed after being opened, and if the vehicle door is not closed, sending out a warning signal by the vehicle body control unit.
The invention has the beneficial effects of simplifying wiring, reducing cost and simultaneously reducing convenience for users. The NFC system, the PEPS system and the wireless charging system are integrated into a single module, so that seamless integration of a vehicle key, a vehicle door lock and a charging function is realized. The user only needs to carry the mobile phone or other equipment supporting NFC, can easily realize functions such as keyless entry, starting and wireless charging, and convenience and comfort level of using the vehicle are greatly improved.
In addition, the security of the integrated system is also increased, the NFC technology has higher security, and the security of data transmission is ensured through an encryption and authentication mechanism. Meanwhile, the vehicle can be effectively prevented from being stolen or illegally entered by combining the keyless entry and keyless start functions of the PEPS system.
Drawings
The invention will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the invention. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.
Fig. 1 is a schematic diagram of an integrated system of a PEPS controller and wireless charging and NFC according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a control method of a PEPS controller and an integrated system of wireless charging and NFC according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, the present invention provides an integrated system of a PEPS controller and wireless charging and NFC, where the integrated system includes a PEPS control unit, a vehicle-mounted wireless charging device and an NFC module, and the PEPS control unit is communicatively connected with the vehicle-mounted wireless charging device and the NFC module.
The NFC device comprises a vehicle-mounted wireless charging device, an NFC module, a PEPS control unit and a PEPS control unit, wherein the vehicle-mounted wireless charging device is used for wirelessly charging an NFC key, the NFC module is in communication connection with the vehicle-mounted wireless charging device and used for executing polling authentication of the NFC key, the PEPS control unit is in communication connection with the vehicle-mounted wireless charging device and the NFC module and used for sensing a trigger signal, responding to an NFC key detection request after receiving the trigger signal and controlling the vehicle-mounted wireless charging device and the NFC module to automatically switch working modes.
The PEPS control unit comprises an MCU, a low-frequency driving module and a high-frequency receiving module, wherein the low-frequency driving module is in communication connection with the MCU and is used for receiving signals of the MCU, and the high-frequency receiving module is in communication connection with the MCU and is used for sending signals to the MCU.
In addition, the integrated system is in communication connection with the vehicle body control unit, and meanwhile, the integrated system also has a sensing function of the intelligent key, and the PEPS control unit realizes identity information verification of the intelligent key through the transmission or the reception of the LF signal and the RF signal.
The workflow of the integrated system comprises the steps that when a user brings a mobile device with an NFC key close to a vehicle, an NFC reader-writer outside the vehicle reads identity information in the NFC key and sends an identity verification message to a vehicle body control unit. The vehicle body control unit decodes and verifies the identity verification information after receiving the identity information, if the identity information is correct, the vehicle door is unlocked, and if the identity information is incorrect, the identity verification information is input again. After the vehicle is unlocked, the main driving door is detected to be opened to send a power-on signal, after the user gets on the vehicle, the mobile device carrying the NFC key is placed in the sensing distance of the vehicle-mounted wireless charging device, and when the vehicle-mounted wireless charging device senses the wireless charging device (the mobile device of the NFC key), charging is started.
When the PEPS control unit receives the trigger signal and responds to the NFC key detection request sent by the automobile, the vehicle-mounted wireless charging device is automatically switched to the NFC mode. In the NFC mode, the vehicle-mounted wireless charging device executes a polling authentication flow of the NFC key so as to ensure the safety and the legality of the key. After authentication is completed, if the NFC key is found, the NFC is closed to enter a wireless charging state, and if the NFC key is not found out after the NFC key is overtime, the finding process is repeated.
According to the integrated control method of the integrated system, when the NFC key approaches the vehicle, the NFC key identity information is read, the vehicle body control unit receives the identity information, decodes and verifies the identity information, if the identity information is correct, the vehicle door is unlocked, when the NFC key is arranged in the vehicle-mounted wireless charging device, the vehicle-mounted wireless charging device charges the NFC key, and when the PEPS control unit receives a trigger signal, the PEPS control unit responds to the NFC key detection requirement, and controls the automatic switching of the working modes of the vehicle-mounted wireless charging device and the NFC module.
Specifically, as shown in fig. 2, in a control flow diagram provided by the embodiment of the present invention, when a user brings a mobile device with an NFC key close to a vehicle, an NFC reader-writer outside the vehicle reads identity information in the NFC key and sends an identity verification message to a vehicle body control unit. The vehicle body control unit decodes and verifies the identity verification information after receiving the identity information, if the identity information is correct, the vehicle door is unlocked, and if the identity information is incorrect, the identity verification information is input again. After the vehicle is unlocked, the main driving door is detected to be opened, and a power-on signal of the vehicle is sent out. After a user gets on a car, the mobile device carrying the NFC key is placed in the vehicle-mounted wireless charging device, and charging is started after the mobile device sensing the NFC key.
When the vehicle owner carries the NFC key into the vehicle and presses down the brake, the PEPS control can automatically search the position of the key and judge whether the key is in the vehicle so as to help automatic ignition. In this process, the brake on foot can be regarded as a trigger signal, and when the PEPS control receives the trigger signal and responds to the NFC key detection request sent by the automobile, the vehicle-mounted wireless charging device automatically switches to the NFC mode. In the NFC mode, the vehicle-mounted wireless charging device executes a polling authentication flow of the NFC key so as to ensure the safety and the legality of the key. And closing NFC to enter a charging state if the NFC key is found after authentication is completed, and repeating the finding process if the NFC key is not found after timeout. And for automatic polling authentication of the NFC key, the safety of the vehicle is effectively improved.
The integrated system of the invention can simplify wiring, reduce cost and reduce convenience for users. NFC module, PEPS module and wireless module that charges are integrated to single system, have realized the seamless integration of car key, car lock and function of charging. The user only needs to carry the mobile phone or other equipment supporting NFC, can easily realize functions such as keyless entry, starting and wireless charging, and convenience and comfort level of using the vehicle are greatly improved. The security of the integrated system is also increased, the NFC technology has higher security, and the security of data transmission is ensured through an encryption and authentication mechanism. Meanwhile, the vehicle can be effectively prevented from being stolen or illegally entered by combining the keyless entry and keyless start functions of the PEPS system.
The foregoing has outlined rather broadly the more detailed description of the invention in order that the detailed description of the invention that follows may be better understood, and in order that the present invention may be better understood. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411536559.6A CN119694025A (en) | 2024-10-31 | 2024-10-31 | An integrated system and control method of PEPS controller, wireless charging and NFC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411536559.6A CN119694025A (en) | 2024-10-31 | 2024-10-31 | An integrated system and control method of PEPS controller, wireless charging and NFC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119694025A true CN119694025A (en) | 2025-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411536559.6A Pending CN119694025A (en) | 2024-10-31 | 2024-10-31 | An integrated system and control method of PEPS controller, wireless charging and NFC |
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| CN (1) | CN119694025A (en) |
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- 2024-10-31 CN CN202411536559.6A patent/CN119694025A/en active Pending
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