Fixing support of wireless charging transmitting coil in car
A fixed bracket and wireless charging technology, which is applied in the direction of current collectors, electric vehicles, electrical components, etc., can solve the problems of being separated from the launch base, unable to charge mobile phones, and affecting charging efficiency, and achieve the effect of preventing movement or slipping
Inactive Publication Date: 2014-02-19
AUTOMOBILE RES INST OF TSINGHUA UNIV IN SUZHOU XIANGCHENG +1
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Problems solved by technology
[0002]At present, mobile phones are charged by wired connection, which is inconvenient to use; therefore, some cars can provide wireless charging transmitter modules to facilitate wireless charging of mobile phones in the car
[0003] When the mobile phone is wirelessly charged in the car, if it is not fixed, it may be detached from the launch base while the car is moving, which will affect the charging efficiency
[0004] At present, many smartphones have navigation or Bluetooth calling functions. If the charging transmitter is not installed in a good position, it is usually impossible to charge the phone while navigating or other functions
Method used
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[0022] like figure 1 As shown, the mobile phone wireless charging device is powered by power supply 1, and the power management circuit 2 is a Boost-Buck circuit, which converts the power supply into 5V-20V DC. This voltage can be adjusted by the microprocessor in the communication and control circuit 3 according to the signal fed back by the wireless receiving circuit 6 and the coil sampling circuit 5; the DC power converted by the power management circuit 2 is supplied to the high-frequency oscillation and power amplifier circuit 4. Power supply; since the power management circuit 2 can adjust the voltage, the output power on the wireless transmitting coil 8 can be controlled by adjusting the output voltage of the power management circuit 2. The tuning capacitor 7 is used for frequency matching of the oscillating circuit.
[0023] The microprocessor in the communication and control circuit 3 can generate a high-frequency square wave signal with a frequency range of 100KHz-...
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The invention discloses a fixing support of a wireless charging transmitting coil in a car. The fixing support is embedded in the wireless charging coil. The wireless transmitting coil is connected with an external wireless charging transmitting module and can radiate high-frequency energy from the transmitting module. The fixing support is used for fixing a cell phone and ensures that a cell phone wireless charging receiving antenna is best coupled with the wireless transmitting coil so as to charge the cell phone in a wireless mode. The fixing support can be connected with any wireless charging transmitting equipment and provide convenience for installing wireless charging transmitting equipment, can be used in a cell phone charged fixedly, prevents the cell phone from moving or falling down in the charging process, and can charge the cell phone in a wireless mode in the process of navigation and communication of the cell phone.
Description
Technical field The [0001] The invention involves the field of wireless charging in mobile phones, which specifically involves fixed brackets of wireless charging launch coils in the car. Background technique [0002] At present, mobile phones are charged by wired connection, and there are problems with inconvenience; therefore, some cars can provide wireless charging launch modules, which is convenient for mobile phones to realize wireless charging in the car. [0003] When the mobile phone is not fixed in the car, if it is not fixed, it may be possible to get out of the transmitted base during the car travel, which will affect the charging efficiency. [0004] At present, many smartphones have navigation or Bluetooth calling functions. If the installation location of the rechargeable transmission device is not good, it is usually impossible to charge the phone while navigation or other functions. Invention content [0005] In response to the above technical problems, the purpo...
Claims
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IPC IPC(8): H02J17/00H02J7/02H04M1/11H02J50/10
Inventor 张健虞强吴文平
Owner AUTOMOBILE RES INST OF TSINGHUA UNIV IN SUZHOU XIANGCHENG