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CN-224211030-U - Keyless entry and one-key starting system

CN224211030UCN 224211030 UCN224211030 UCN 224211030UCN-224211030-U

Abstract

The utility model relates to the field of electronic systems, and discloses a keyless entry and one-key starting system, which uses a Bluetooth module to replace a traditional LF low-frequency transmitting module and an RF high-frequency receiving module at a vehicle end and uses a Bluetooth module to replace a traditional antenna and an RF high-frequency transmitting module at an intelligent key end, so that the intelligent key is in communication connection and identity recognition with the vehicle end by adopting the Bluetooth module, the dilemma that the whole vehicle cannot enter due to the fact that the traditional LF radio frequency module is easily interfered by external electromagnetic environment is avoided, meanwhile, the Bluetooth module has a frequency modulation spread spectrum technology, can select a frequency band with optimal signal intensity to perform data communication, ensures communication quality, not only improves user experience, but also provides great convenience for users to enter and exit the vehicle.

Inventors

  • LI ZHIYONG
  • LIU BINGSEN
  • XU TINGQUAN
  • HUANG HAITAO
  • XIE YANG
  • Liao Ruohan

Assignees

  • 广汽传祺汽车有限公司

Dates

Publication Date
20260508
Application Date
20250521

Claims (10)

  1. 1. A keyless entry and one-key start system is characterized by comprising a one-key start system (1) and an intelligent key (2) which are arranged in a vehicle, wherein the one-key start system (1) comprises a first Bluetooth module (101), a first MCU (102), an integrated vehicle body control module IBCM (103), a one-key start switch SSB (105), an ECU module (106) and an electronic steering column lock ESCL (107), a signal output end of a signal receiving structure of the first Bluetooth module (101) is connected with a first signal input pin of the first MCU (102) through an interface, a signal output end of the one-key start switch SSB (105) is connected with a second signal input pin of the first MCU (102), the first signal output pin of the first MCU (102) is connected with a signal input end of the integrated vehicle body control module IBCM (103) through a CAN bus, a second signal output pin of the first MCU (102) and a third signal output signal are respectively connected with a first signal input end of the ECU module (106) and a first signal input pin of the electronic steering column lock ESCL (107) of the second MCU (106), a signal output end of the first MCU (102) is connected with a second signal input pin of the second ESCL (201) of the integrated vehicle body control module (103) through a CAN bus, the signal output end of the second Bluetooth module (201) is connected with the signal input pin of the second MCU (202) through an interface, and the signal output pin of the second MCU (202) is connected with the signal input end of the second Bluetooth module.
  2. 2. A keyless entry and one-key start system according to claim 1, characterized in that the one-key start system (1) further comprises a power management module (104), the power management module (104) comprising a multi-way relay, controlled by the first MCU (102) via PWM signals, powering the individual modules of the one-key start system (1).
  3. 3. The keyless entry and one-key start system according to claim 1, wherein the smart key (2) further comprises a power module (203), the power module (203) comprises a multi-way relay, and the second MCU (202) is controlled by the second MCU (202) through a PWM signal to supply power to the second bluetooth module (201) and the second MCU (202).
  4. 4. A keyless entry and one-key start system according to claim 1, characterized in that the electronic steering column lock ESCL module (107) is connected to the second signal input of the ECU module (106) via a LIN bus, and when the electronic steering column lock ESCL module (107) is unlocked, a confirmation signal is sent to the ECU module (106) via the LIN bus, and the ECU module (106) allows the engine to start according to the confirmation signal.
  5. 5. The keyless entry and one-key-start system according to claim 1, wherein a pairing distance between the first bluetooth module (101) and the second bluetooth module (202) is 0m to 10m.
  6. 6. The keyless entry and one-key start system of claim 1, wherein when the key fob is located outside the vehicle, the first MCU (102) determines whether a signal received from a signal output of the signal receiving structure of the first bluetooth module (101) is greater than an unlock threshold, and if so, sends a first control signal to the integrated body control module IBCM (103), and the integrated body control module IBCM (103) controls the body structure according to the first control signal.
  7. 7. The keyless entry and one-touch actuation system of claim 6, wherein the body structure comprises a vehicle door, a vehicle window, and a vehicle light.
  8. 8. The keyless entry and one-key actuation system of claim 6, wherein the unlocking threshold is-30 dBm.
  9. 9. The keyless entry and one-key start system of claim 1, wherein when the vehicle is turned off, the first MCU (102) determines whether a signal received from a signal output of the signal receiving structure of the first bluetooth module (101) is less than a lock threshold, and if so, sends a second control signal to the integrated body control module IBCM (103), and the integrated body control module IBCM (103) controls the body structure according to the second control signal.
  10. 10. The keyless entry and one-key actuation system of claim 9, wherein the locking threshold is-70 dBm.

Description

Keyless entry and one-key starting system Technical Field The present utility model relates to the field of electronic systems, and more particularly to a keyless entry and one-touch start system. Background With the popularization and development of automobiles, people have increasingly high requirements on the intellectualization and the comfort of automobiles. In order to meet the requirements of people on automobiles, automobile keyless entry and starting systems are generated, and the keyless entry and one-key starting systems realize the functions of entering the automobile without pressing a remote controller, starting an engine by one key and the like through advanced RFID (radio frequency identification) technology. The system comprises a controller, a receiver at the automobile end, a radio frequency transmitter in an automobile key and the like. When the driver steps in the designated range, the system can identify the authorized driver of the vehicle, automatically unlock the door lock, automatically lock the door lock when the driver leaves the vehicle, and enter an anti-theft state. Meanwhile, the PEPS system can also memorize all maintenance and diagnosis information such as seat adjustment, air conditioning setting, entertainment information and the like. If the key is within the range of about two meters of the automobile, the key receives a 125kHz interrogation signal sent by the PEPS module of the automobile and feeds back a response signal, generally 433 or 315mhz, and the response signal of the key can reach one hundred meters upwards, if the key does not receive the interrogation signal, the key keeps silent all the time. However, the existing keyless entry and one-key start system is aimed at special working conditions, such as the vicinity of a high-power charging pile or a motor which is working, 215kHz low-frequency radio electromagnetic waves sent by a PEPS module at a vehicle end can be interfered, the transmitted broadcast signal is distorted, so that a vehicle key can not receive a normal query signal, and further the vehicle key can not feed back a response signal in the 315MHz or 433MHz frequency band, and the vehicle can not be automatically unlocked or locked. Disclosure of Invention The present utility model overcomes at least one of the deficiencies of the prior art described above by providing a keyless entry and one-touch start system, the utility model can improve the anti-interference capability of keyless entry and one-key starting systems and ensure the use experience of users. In order to solve the technical problems, the technical scheme of the utility model is as follows: The keyless entry and one-key starting system comprises a one-key starting system and an intelligent key, wherein the one-key starting system and the intelligent key are installed in a vehicle, the one-key starting system comprises a first Bluetooth module, a first MCU, an integrated vehicle body control module IBCM, a one-key starting switch SSB, an ECU module and an electronic steering column lock ESCL, a signal output end of a signal receiving structure of the first Bluetooth module is connected with a first signal input pin of the first MCU through an interface, a signal output end of the one-key starting switch SSB is connected with a second signal input pin of the first MCU, the first signal output pin of the first MCU is connected with a signal input end of the integrated vehicle body control module IBCM through a CAN bus, a second signal output pin of the first MCU and a third signal output end of the first MCU are respectively connected with a first signal input end of the ECU module and a signal input end of the electronic steering column lock ESCL through the CAN bus, a signal output end of the electronic steering column lock ESCL is connected with a second signal input end of the ECU module through the CAN bus, the intelligent key comprises the first signal output pin of the first MCU and the second MCU, and the second signal output end of the second MCU is connected with a second signal input end of the MCU through the Bluetooth module. Preferably, the one-key starting system further comprises a power management module, wherein the power management module comprises a multi-path relay, and the first MCU is controlled by PWM signals to supply power to each module of the one-key starting system. Preferably, the intelligent key further comprises a power module, the power module comprises a multi-path relay, and the second MCU is controlled by PWM signals to supply power to the second Bluetooth module and the second MCU. Preferably, the electronic steering column lock ESCL module is connected with the second signal input end of the ECU module through a LIN bus, and when the electronic steering column lock ESCL module is unlocked, a confirmation signal is sent to the ECU module through the LIN bus, and the ECU module allows the engine to start according to the confirmation signal. Prefera