Device and method for enhancing parking lock communication signal by adopting SMC (sheet moulding compound) shell
A communication signal and parking lock technology, which is applied in the field of enhancing the communication signal of the parking lock with SMC shell, can solve the problems of unsatisfactory communication control distance, short wireless control distance of the parking lock, wireless signal attenuation, etc., to improve the effective wireless control distance , eliminate impact, good anti-stress effect
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specific Embodiment approach 1
[0024] combine figure 1 , 2 , 3, 4, and 5 illustrate this embodiment. A device that uses an SMC shell to enhance the communication signal of a parking lock includes a parking lock shell, a controller, a sensor, a buzzer, a drive circuit, a motor, and a mechanical transmission mechanism. , power supply, power management circuit, communication module, antenna, and mobile terminal, the resin material shell made of SMC technology replaces the metal shell to completely eliminate the influence of the metal shell on the radio frequency signal. Compared with the metal case, the receiving strength of the RF signal of the parking lock can be increased by more than 20dB. The use of the SMC shell, while increasing the effective wireless control distance, can ensure that the lock body has a good anti-pressure effect, meeting the needs of end users and the market.
[0025] Wherein, the controller, sensor, buzzer, drive circuit, motor, mechanical transmission mechanism, power supply, power...
specific Embodiment approach 2
[0036] combine figure 1 , 2 , 3, 4, and 5 illustrate this embodiment, and the parking lock shell adopts SMC process resin shell. Applying the SMC process resin shell to the intelligent wireless parking lock, compared with the metal shell, the receiving strength of the radio frequency signal can be increased by more than 20dB, and the communication distance between the mobile phone Bluetooth and the parking lock can be increased by 10-30 meters or even farther; Repeater and antenna design, the communication distance between the parking lock and the repeater in the ZigBee network can be increased by 30-100 meters or even further.
specific Embodiment approach 3
[0037] combine figure 1 , 2, 3, 4, and 5 illustrate this embodiment, and the controller adopts a STM32L series single-chip microcomputer. The STM32L series has added two low-power modes, low-power operation and low-power sleep. By using ultra-low power regulators and oscillators, the microcontroller can greatly reduce the operating power consumption at low frequencies. . The regulator does not depend on the supply voltage to meet the current requirement. STM32L also provides dynamic voltage boost function, which is an energy-saving technology that has been successfully applied for many years, which can further reduce the internal working voltage of the chip when it is running at low and medium frequencies. In normal operating mode, the current consumption of the flash memory is as low as 230μA / MHz, and the power / performance ratio of STM32L is as low as 185μA / DMIPS. STM32L circuits are designed to achieve high performance at low voltage, effectively extending the charging i...
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