CN210490857U

CN210490857U - Multifunctional receiving device for automobile

Info

Publication number: CN210490857U
Application number: CN201922207049.5U
Authority: CN
Inventors: 张辉; 董国栋; 王卫; 严磊
Original assignee: Wetron Electronic Technology Suzhou Co ltd
Current assignee: Wetron Electronic Technology Suzhou Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-05-08
Anticipated expiration: 2029-12-11

Abstract

The utility model relates to a multi-functional receiving arrangement of car, including the radio frequency receiving module, the radio frequency filtering module, the radiofrequency signal processing module, integrated module, the crystal oscillator module, hardwire communication module, the module is listened to mains voltage, power distribution module and LIN transceiver module, the radiofrequency signal that the radiofrequency receiving module will receive is transmitted to radiofrequency signal processing module after the radiofrequency filtering module filters, radiofrequency signal processing module verifies the radiofrequency signal transmission to integrated module after handling with the key decryption, integrated module transmits radiofrequency signal to hardwire communication module, mains voltage detection module transmits the mains voltage who listened to integrated module, power distribution module distributes the power to integrated module, LIN transceiver module communicates with integrated module, the crystal oscillator module provides reference frequency and synchronous clock signal for integrated module. The utility model has the advantages of high integration and flexibility alleviate automobile body weight, reduce cost shortens development time.

Description

Multifunctional receiving device for automobile

Technical Field

The utility model relates to an automobile receiving device technical field, especially a multi-functional receiving arrangement of car.

Background

At present, most receiving devices on the market are independent remote control key receiving devices, tire pressure system receiving devices and engine anti-theft devices, and the design purpose of integrating a plurality of subsystems through a product device can be realized along with the functional commonality of products and the integration level improvement of design schemes.

The separate receiver device is cost prohibitive, adds weight to the vehicle body, and the numerous modules increase hardware development time and cost.

Therefore, a multifunctional receiving device for an automobile is developed, and multifunctional signal receiving processing of the automobile is realized on the premise that the sizes of a shell and a Printed Circuit Board (PCB) are not changed on the same platform.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art not enough and providing a multi-functional receiving arrangement of car, have and can be applied to engine anti-theft device under the big or small prerequisite of shell and PCB board not changing, high integration and flexibility alleviate automobile body weight, reduce cost shortens advantages such as development time.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a multifunctional receiving device for automobile comprises a radio frequency receiving module, a radio frequency filtering module, a radio frequency signal processing module, an integration module, a crystal oscillator module, a hard wire communication module, a power supply voltage detecting module, a power supply distribution module and an LIN transceiver module, the radio frequency receiving module is used for filtering the received radio frequency signal by the radio frequency filtering module and transmitting the filtered radio frequency signal to the radio frequency signal processing module, the radio frequency signal processing module transmits the radio frequency signal after the key decryption verification processing to the integrated module, the integrated module transmits radio frequency signals to the hard-wire communication module, the power supply voltage detection module transmits the detected power supply voltage to the integrated module, the power distribution module distributes power to the integrated module, the LIN transceiver module is communicated with the integrated module, and the crystal oscillator module provides reference frequency and synchronous clock signals for the integrated module. The modules are integrated into one receiving device, and the integration degree is high.

Preferably, the integrated module comprises a microcontroller module, a CAN communication module and a power module, the power module supplies power to the microcontroller module and the CAN communication module, the microcontroller module controls the CAN communication module to communicate, and the power distribution module distributes the power to the power module. The communication mode of the integrated module CAN select LIN or CAN communication.

Preferably, the radio frequency receiving module may receive a frequency hopping signal.

Preferably, the CAN communication module is connected to a domain control module, a remote control key radio frequency signal, a tire pressure sensor signal and an engine anti-theft signal are received in the domain control module, and the CAN communication module CAN simultaneously receive the remote control key radio frequency signal, the tire pressure sensor signal and the engine anti-theft signal.

Preferably, the microcontroller module is internally provided with Flash, and the microcontroller module upgrades the Flash through PIN-TO-PIN.

Preferably, a Bootloader is arranged in the integration module, and the integration module supports Bootloader updating programs.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

multi-functional receiving arrangement of car has and can be applied to engine anti-theft device under the big or small prerequisite of not changing shell and PCB board, and high integration and flexibility alleviate automobile body weight, and reduce cost shortens advantages such as development time.

Drawings

Fig. 1 is a system connection block diagram of the multifunctional receiving device for an automobile according to the present invention;

fig. 2 is a connection block diagram of the inside of the integrated module according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In fig. 1 to 2, an automobile multifunctional receiving device includes a radio frequency receiving module 1, a radio frequency filtering module 2, a radio frequency signal processing module 3, an integration module 4, a crystal oscillator module 5, a hard wire communication module 6, a power supply voltage detecting module 7, a power supply distribution module 8, and an LIN transceiver module 9.

The radio frequency receiving module 1 transmits received radio frequency signals to the radio frequency signal processing module 3 after being filtered by the radio frequency filtering module 2, the radio frequency receiving module 1 can receive frequency hopping signals, the radio frequency signal processing module 3 transmits processed radio frequency signals to the integration module 4, the integration module 4 transmits radio frequency signals to the hard wire communication module 6, the power supply voltage detection module 7 transmits detected power supply voltage to the integration module 4, the power supply distribution module 8 distributes power supply to the integration module 4, the LIN (Local Interconnect Network, Local area Interconnect Network) transceiver module 9 communicates with the integration module 4, and the crystal oscillator module 5 provides synchronous clock signals and reference frequency for the integration module 4. The power distribution module 8 is connected to a body power supply 10. The automotive multi-function receiver is integrated on a circuit board PCB12, the circuit board PCB12 being secured to the vehicle body structure housing. The LIN transceiver module 9 is interconnected with the domain control module 11, and the integration module 4 is interconnected with the domain control module 11 through a CANH high bit line and a CANL low bit line of the CAN communication module 42.

The integration module 4 includes a microcontroller module 41, a CAN (Controller Area Network) communication module 42, and a power supply module 43. The microcontroller module 41 is internally provided with Flash, and the microcontroller module 41 upgrades the Flash through PIN-TO-PIN. The CAN communication module 42 is connected to the domain control module 11, a remote control key radio frequency signal, a tire pressure sensor signal and an engine anti-theft signal are received in the domain control module 11, and the CAN communication module 42 CAN simultaneously receive the remote control key radio frequency signal, the tire pressure sensor signal and the engine anti-theft signal. The power module 43 supplies power to the microcontroller module 41 and the CAN communication module 42, the microcontroller module 41 controls the CAN communication module 42 to communicate, and the power distribution module 8 distributes the power to the power module 43. The integrated module 4 is internally provided with a Bootloader, and the integrated module 4 supports Bootloader updating programs.

The system is mainly characterized in that an original independent remote control key receiving device and a tire pressure system receiving device are integrated into a multifunctional receiving device, and meanwhile, the system is compatible with an engine anti-theft device on the premise of not changing a shell and a PCB.

The multifunctional receiving device can support the following four modes: the system comprises a sleep mode, a polling mode, an operating mode and a learning mode, and the system power consumption can be reduced by switching the modes.

A sleep mode: in this mode, the rf signal processing module stops receiving the rf signal and does not process any rf signal.

And (3) polling mode: in the mode, the radio frequency processing module can turn on the radio frequency signal reception for a period of time at regular time and then turn off the radio frequency signal reception for a period of time, and the specific time is determined according to the baud rate of the radio frequency signal and the length of the wake up header file, so that the radio frequency signal can be effectively received on the premise of ensuring low power consumption, and the radio frequency signal processing module can be awakened to be switched into a working mode when the radio frequency signal is correctly received.

The working mode is as follows: in the mode, the radio frequency signal processing module can be always opened to receive radio frequency signals, the receiving efficiency is highest, but the power consumption is high, the radio frequency signal processing module is not suitable for being always opened, and the radio frequency signal processing module can be switched to a polling mode after the radio frequency signals are processed.

A learning mode: in this mode, the multifunctional receiving Module is in a learning state, the remote control key and domain control Module learns the ID information through an IMM (internal Mobile Module) and then sends the ID information to the multifunctional receiving device, and the corresponding ID information is stored through an EEPROM (Electrically Erasable Programmable Read-Only Memory).

A multifunctional receiving device for automobile has the advantages of high integration and flexibility, reduced weight of automobile body, reduced cost, and shortened development time, and can be applied to engine anti-theft device without changing the size of outer shell and PCB.

The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims

1. The utility model provides a multi-functional receiving arrangement of car which characterized in that: comprises a radio frequency receiving module, a radio frequency filtering module, a radio frequency signal processing module, an integrated module, a crystal oscillator module, a hard wire communication module, a power supply voltage detecting module, a power supply distribution module and an LIN transceiving module, the radio frequency receiving module is used for filtering the received radio frequency signal by the radio frequency filtering module and transmitting the filtered radio frequency signal to the radio frequency signal processing module, the radio frequency signal processing module transmits the radio frequency signal after the key decryption verification processing to the integrated module, the integrated module transmits radio frequency signals to the hard-wire communication module, the power supply voltage detection module transmits the detected power supply voltage to the integrated module, the power distribution module distributes power to the integrated module, the LIN transceiver module is communicated with the integrated module, and the crystal oscillator module provides reference frequency and synchronous clock signals for the integrated module.

2. The multifunctional vehicle receiver according to claim 1, wherein said integrated module comprises a microcontroller module, a CAN communication module and a power module, said power module supplies power to said microcontroller module and said CAN communication module, said microcontroller module controls CAN communication module communication, and said power distribution module distributes said power to said power module.

3. The multifunctional car receiver according to claim 2, wherein said rf receiver module is capable of receiving frequency hopping signals.

4. The multifunctional receiving device of claim 2, wherein the CAN communication module is connected to a domain control module, the domain control module is configured to receive a remote control key RF signal, a tire pressure sensor signal and an engine anti-theft signal, and the CAN communication module is configured to simultaneously receive the remote control key RF signal, the tire pressure sensor signal and the engine anti-theft signal.

5. The multifunctional car receiver according TO claim 2, wherein the microcontroller module is provided with Flash, and the microcontroller module upgrades Flash by PIN-TO-PIN.

6. The multifunctional automobile receiving device according to claim 1, wherein a Bootloader is arranged in the integration module, and the integration module supports Bootloader updating programs.