Abstract: This application provides a wireless charging transmitting apparatus, a wireless charging receiving apparatus, and a system thereof. The wireless charging transmitting apparatus includes an inverter circuit, a first transmitting plate, and a second transmitting plate. The wireless charging receiving apparatus includes a first receiving plate, a second receiving plate, and a rectifier circuit. An input end of the inverter circuit is connected to a direct current power supply, a first output end of the inverter circuit is connected to the first transmitting plate, and a second output end of the inverter circuit is connected to the second transmitting plate. A first contact is disposed on the first transmitting plate, and a second contact is disposed on the first receiving plate. When the first contact is in contact with the second contact, the first transmitting plate establishes an electrical connection to the first receiving plate.

Abstract: This application discloses a wireless charging system, and pertains to the field of wireless charging technologies. The system includes: a transmit apparatus and a receive apparatus; the transmit apparatus includes an inverter circuit and two transmit electrodes, an input terminal of the inverter circuit is connected to a direct-current power supply, and two output terminals of the inverter circuit are connected to the two transmit electrodes respectively; the receive apparatus includes two receive electrodes and a rectifier circuit, two input terminals of the rectifier circuit are connected to the two receive electrodes respectively, and an output terminal of the rectifier circuit is connected to a load.

Abstract: This application provides a wireless charging foreign object detection apparatus, applied to the field of wireless charging technologies. The detection apparatus includes: an excitation coil configured to provide a time-varying magnetic field, detection coils configured to detect a foreign object, and a processor configured to determine whether a foreign object exists. The detection coils may include two detection coils, or may include at least three detection coils. The at least three detection coils may be further configured to eliminate a detection blind spot.

Abstract: This application provides a wireless charging foreign object detection apparatus, applied to the field of wireless charging technologies. The detection apparatus includes: an excitation coil configured to provide a time-varying magnetic field, detection coils configured to detect a foreign object, and a processor configured to determine whether a foreign object exists. The detection coils may include two detection coils, or may include at least three detection coils. The at least three detection coils may be further configured to eliminate a detection blind spot.

Abstract: The present invention relates to a assembly and disassembly device for automobile tire, comprising a device case (41), an upright (42) disposed on the device case (41), a tire dismantling tool connected to a cross beam of the upright (42), and a workbench (44) disposed below the tire dismantling tool (43) and located in the device case (41). The device case (41) is internally provided with a combined compound gearbox (46); the main shaft (31) of the motor penetrates the case; the lower end of the main shaft (31) in the device case (41) is in an engaged connection with a motor gear (36) disposed in the case. The motor gear (36) brings the main shaft gear (35) sleeved on the upper part of the main shaft (31) through a drive gear to drive the workbench (44) connected with the main shaft (31) for it to work. Compared with the prior art, the present invention has the advantages of obvious energy-saving effects, reduction of transmission consumption, long service life, etc.

Abstract: The present invention relates to a assembly and disassembly device for automobile tire, comprising a device case (41), an upright (42) disposed on the device case (41), a tire dismantling tool connected to a cross beam of the upright (42), and a workbench (44) disposed below the tire dismantling tool (43) and located in the device case (41). The device case (41) is internally provided with a combined compound gearbox (46); the main shaft (31) of the motor penetrates the case; the lower end of the main shaft (31) in the device case (41) is in an engaged connection with a motor gear (36) disposed in the case. The motor gear (36) brings the main shaft gear (35) sleeved on the upper part of the main shaft (31) through a drive gear to drive the workbench (44) connected with the main shaft (31) for it to work. Compared with the prior art, the present invention has the advantages of obvious energy-saving effects, reduction of transmission consumption, long service life, etc.