Wireless receiver

Abstract

The utility model discloses a wireless receiver, which belongs to the field of automotive electronics and comprises an MCU (Microprogrammed Control Unit) controller, a CAN (Controller Area Network) communication module, a DI (Data Input) module, a DO (Data Output) switch module, a Bluetooth module, a wireless remote control receiving module and a power supply module, the MCU controller is connected with the DI input module, the Bluetooth module, the wireless remote control receiving module and the CAN communication module through interfaces, and the data is sent to the BCM through the CAN communication module; the DI input module is used for receiving switching signals sent by equipment and a sensor; the DO switch module is used for outputting a switch signal and outputting control external equipment; the Bluetooth module is used for communicating and interacting with a mobile phone Bluetooth key; the wireless remote control receiving module is used for receiving a wireless remote control signal; and the power supply module is used for converting an input power supply into voltage required by each module on the vehicle-mounted key receiver. According to the utility model, Bluetooth and wireless remote control functions are integrated, and an entity remote control alternative scheme is provided when the mobile phone is out of power.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of automobile electronics, especially relates to a wireless receiver. BACKGROUND

[0002] With the development of automobile intelligence, more and more intelligent functions are integrated into the car, and the car key is one of the most core security components on the vehicle, and the key entry system on the market basically adopts Bluetooth key or wireless remote control key, and the Bluetooth key is realized based on Bluetooth communication technology, since Bluetooth communication needs to be connected with the vehicle-mounted system constantly, especially RSSI signal strength detection, needs to collect data continuously, which can cause the power consumption of mobile phone battery and car key module to be fast, although the wireless remote control key has very low power consumption and can be used for a long time, but compared with the Bluetooth key, it cannot realize keyless start function, therefore, a new scheme needs to be found to replace the existing key entry system. SUMMARY

[0003] In view of the above defects of the prior art, the utility model provides a wireless receiver, which integrates Bluetooth key function and wireless remote control key function, and the technical scheme of the utility model is designed as follows:

[0004] MCU controller, CAN communication module, DI input module, DO switch module, Bluetooth module, wireless remote control receiving module and power supply module;

[0005] The MCU controller is connected with the DI input module, Bluetooth module, wireless remote control receiving module and CAN communication module through an interface, is used for receiving the data of the DI input module, Bluetooth module and wireless remote control receiving module, and sends the data to the body controller BCM through the CAN communication module;

[0006] The DI input module is used for receiving the switch signal sent by equipment and sensor;

[0007] The DO switch module is used for outputting switch signal and outputting control external equipment;

[0008] The Bluetooth module is used for communicating and interacting with the mobile phone Bluetooth key;

[0009] The wireless remote control receiving module is used for receiving the signal of wireless remote control;

[0010] The power supply module is used for converting input power into the voltage required by each module on the vehicle key receiver.

[0011] Preferably, the Bluetooth module is also used for judging whether the mobile phone Bluetooth key is legal or not, and acquiring the RSSI value of the current mobile phone Bluetooth key to determine whether the current mobile phone Bluetooth key is within the effective range.

[0012] Preferably, the MCU controller is further configured to generate an instruction and send the instruction to the body controller BCM to make the body controller BCM perform a preset operation based on the instruction, if it is determined that the current mobile phone Bluetooth key is within a valid range.

[0013] Preferably, the preset operation is an operation of starting a vehicle-related component.

[0014] Preferably, the vehicle-mounted key receiver further comprises a storage unit configured to store various types of data information.

[0015] The wireless receiver integrates the Bluetooth key function and the wireless remote control key function, uses the mobile phone Bluetooth as the car key, the MCU controller can judge the distance between the mobile phone and the car according to the RSSI value of the detected Bluetooth key, and then sends the keyless start function command to the body controller BCM according to the calibration configuration scheme, so that the key power consumption is reduced, the battery use time in the key is prolonged, the car cannot be started when the mobile phone Bluetooth key is out of power, the car can be remotely controlled, and different functions can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the overall schematic view of the utility model. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0018] In the description of the utility model, it is necessary to explain that the orientation or positional relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or positional relation based on the drawing shown, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0019] Referring to Figure 1 In the utility model: a wireless receiver integrates the functions of Bluetooth key and wireless remote control key, and the technical scheme designed by the utility model comprises:

[0020] MCU controller, CAN communication module, DI input module, DO switch module, Bluetooth module, wireless remote control receiving module and power supply module;

[0021] The MCU controller is connected with the DI input module, Bluetooth module, wireless remote control receiving module and CAN communication module through an interface, is used for receiving the data of the DI input module, Bluetooth module and wireless remote control receiving module, and sends the data to the body controller BCM through the CAN communication module;

[0022] The DI input module is used for receiving the switch signal sent by equipment and sensors;

[0023] The DO switch module is used for outputting switch signal and outputting control external equipment;

[0024] The Bluetooth module is used for communicating with the mobile phone Bluetooth key;

[0025] The wireless remote control receiving module is used for receiving the signal of wireless remote control;

[0026] The power supply module is used for converting the input power into the voltage required by each module on the vehicle key receiver.

[0027] Preferably, the Bluetooth module is also used for judging whether the mobile phone Bluetooth key is legal, and obtaining the RSSI value of the current mobile phone Bluetooth key to determine whether the current mobile phone Bluetooth key is within the effective range.

[0028] In addition, the Bluetooth module is also used for scanning the Bluetooth key at a certain scanning interval, and when the pairing succeeds, the connection interval of the Bluetooth connection is dynamically adjusted according to the RSSI value of the Bluetooth signal and the calibrated distance parameter, so as to reduce the power consumption of the receiver.

[0029] Preferably, the MCU controller is also used for generating an instruction and sending the instruction to the body controller BCM to make the body controller BCM perform a preset operation based on the instruction when it is determined that the current mobile phone Bluetooth key is in the effective range.

[0030] Preferably, the preset operation is an operation of starting the vehicle-related components.

[0031] In addition, after the receiver receives the valid instruction, the scanning interval of the Bluetooth pairing is dynamically adjusted according to the RSSI value and the calibrated distance parameter, so as to reduce the power consumption of the receiver.

[0032] Preferably, the vehicle key receiver further comprises a storage unit, and the storage unit is used for storing various types of data information.

[0033] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A wireless receiver, characterized by The vehicle key receiver comprises an MCU controller, a CAN communication module, a DI input module, a DO switch module, a Bluetooth module, a wireless remote control receiving module and a power supply module. The MCU controller is connected with the DI input module, the Bluetooth module, the wireless remote control receiving module and the CAN communication module through interfaces, and is used for receiving data of the DI input module, the Bluetooth module and the wireless remote control receiving module and sending the data to a body controller BCM through the CAN communication module. The DI input module is used for receiving switch signals sent by devices and sensors. The DO switch module is used for outputting switch signals and outputting control of external devices. The Bluetooth module is used for communicating with a mobile phone Bluetooth key. The wireless remote control receiving module is used for receiving signals of wireless remote control. The power supply module is used for converting input power into voltages required by various modules of the vehicle key receiver.

2. A wireless receiver according to claim 1, characterized in that The Bluetooth module is further used for judging whether the mobile phone Bluetooth key is legal, and acquiring an RSSI value of the current mobile phone Bluetooth key to determine whether the current mobile phone Bluetooth key is within a valid range.

3. A radio receiver as claimed in claim 2, characterized in that The MCU controller is further used for generating an instruction and sending the instruction to the body controller BCM to make the body controller BCM perform a preset operation based on the instruction, when it is determined that the current mobile phone Bluetooth key is within the valid range.

4. A radio receiver as claimed in claim 3, characterized in that The preset operation is an operation of starting a vehicle related component.

5. The wireless receiver of claim 1, wherein, The vehicle key receiver further comprises a storage unit, which is used for storing various types of data information.

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