CN215528630U - Wireless vehicle charging integrated machine - Google Patents

Abstract

The utility model relates to a wireless vehicle charging integrated machine which comprises a vehicle charging main body and a wireless charging piece connected with the vehicle charging main body, wherein the vehicle charging main body is provided with a positive pole piece and a negative pole piece, the vehicle charging main body comprises a vehicle charging shell, and a first circuit board and a second circuit board which are arranged in the vehicle charging shell, the first circuit board and the second circuit board are arranged at intervals, the first circuit board is provided with a vehicle charging circuit, the second circuit board is provided with a wireless charging main control chip, a wireless charging transmitting circuit and a wireless charging coil circuit, the wireless charging main control chip is connected with the vehicle charging circuit, the wireless charging transmitting circuit is connected with the wireless charging coil circuit, and the wireless charging transmitting circuit is connected with the wireless charging coil circuit and outputs power and voltage to the wireless charging coil circuit. Through with two car charging circuit and wireless charging circuit integration inside a car fills the main part, save space, the suitability is good, convenient to use.

Description

Wireless vehicle charging integrated machine

Technical Field

The utility model relates to the technical field of vehicle-mounted charging equipment, in particular to a wireless vehicle-charging integrated machine.

Background

The vehicle charging is a full-name vehicle-mounted charger, is an accessory for facilitating a vehicle-mounted charging power supply of a vehicle owner to charge a digital product at any time and any place, is a vehicle-mounted charger which is powered by a conventional vehicle storage battery (12V of a car and 24V of a truck), and is widely applied to the field of lithium battery charging of various portable and handheld devices. Such as: cell phones, PDAs, GPS, etc.; the vehicle-mounted charger not only considers the actual requirements (constant voltage CV, constant current CC and overvoltage protection OVP) of lithium battery charging, but also considers the narrow space in the automobile and adapts to the market change. However, the mobile phone has been developed to wireless charging, which forces one of the developing directions of the car charging product to focus on the aspect of wireless charging technology.

Also have the car of taking wireless function of charging to fill the product in the market at present, the structure that general wireless car fills the product includes that the car fills the main part and wireless charging piece, and wireless charging piece fills the main part with the car and is connected. In the existing wireless vehicle charging, a wireless charger and a power supply part (vehicle-mounted charger) are separately and independently designed, a power supply needs to be additionally configured for the wireless charger to supply power for the wireless charging, so that a product can be charged, a certain encumbrance is obviously brought to the product, no type of wireless charging is required to be different, the vehicle charging is not properly selected and matched, the maximum power of the wireless charging is difficult to be exerted, the waste and the high cost of space are caused, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of this, it is necessary to provide a wireless car-charging all-in-one machine which is space-saving, good in adaptability, compact in structure and convenient to use.

A wireless vehicle-charging integrated machine comprises a vehicle-charging main body and a wireless charging piece connected with the vehicle-charging main body, wherein the vehicle-charging main body is provided with a positive pole piece and a negative pole piece, it is characterized in that the vehicle charging main body comprises a vehicle charging shell, a first circuit board and a second circuit board which are arranged in the vehicle charging shell, the first circuit board and the second circuit board are arranged at intervals, the first circuit board is provided with a vehicle charging circuit, the second circuit board is provided with a wireless charging main control chip, a wireless charging transmitting circuit and a wireless charging coil circuit, the wireless charging piece is provided with a wireless charging transmitting coil which is connected with a wireless charging coil circuit in the vehicle charging body, the vehicle charging circuit is electrically connected with the wireless charging main control chip, the wireless charging transmitting circuit is connected with the wireless charging main control chip to detect and modulate the wireless charging power and voltage, the wireless charging transmitting circuit is connected with the wireless charging coil circuit and outputs power and voltage to the wireless charging coil circuit.

Furthermore, the first circuit board has relative first end and second end, anodal piece and negative pole piece have been installed to first end, the second end is equipped with the car and fills the interface board, the second circuit board is close to the tip of first circuit board second end is equipped with the wireless connection interface, wireless charging transmitting coil passes through data line or charging wire access the wireless connection interface.

Furthermore, the vehicle charging circuit adopts a voltage reduction conversion control chip with a QC quick charging protocol, the voltage reduction conversion control chip is provided with a DP pin and a DM pin, and the DP pin and the DM pin are correspondingly connected to a 26 th pin and a 25 th pin of the wireless charging main control chip to provide required power and voltage.

Further, the wireless charging transmitting circuit is provided with a transmitting chip IC1, the transmitting chip IC1 is provided with a CSO pin, a PWM1 pin and a PWM2 pin, the wireless charging main control chip is provided with a VDD pin, a P22 pin and a P23 pin, and the CSO pin, the PWM1 pin and the PWM2 pin are respectively and correspondingly connected with the VDD pin, the P22 pin and the P23 pin so as to provide corresponding power and voltage.

Furthermore, the wireless charging piece comprises a shell and a coil substrate arranged in the shell, the wireless charging transmitting coil is formed on the coil substrate, the coil substrate is a smooth metal plate or a wire plate without a circuit, and the coil substrate is a disc sheet.

Further, the coil substrate has front and bottom surface, the front is formed with wireless transmitting coil that charges, front and bottom surface are equipped with connecting strip and lower connecting strip respectively, go up connecting strip and lower connecting strip and superpose mutually and constitute integrative connecting handle, data line or charging wire with connecting handle electric connection.

Further, the upper connection bar extends from the center of the front surface of the coil base to the edge and protrudes from the edge of the coil base, and the lower connection bar extends from the center of the bottom surface of the coil base to the edge and protrudes from the edge of the coil base.

Further, the vehicle charging circuit adopts a chip U2 of IP6525T model, the chip U2 is connected with a filtering ceramic chip capacitor EC1 on an input circuit, the chip is connected with a resistor R2, a capacitor C30 and an inductor L1 on an output circuit, the R2 and the capacitor C30 are connected in series to a SW pin of the chip U2, the R2 and the capacitor C30 are used for reducing EMI, the chip U2 is also connected with a filtering ceramic chip capacitor EC2 and a capacitor C32 at the front end of an output end, the filtering ceramic chip capacitor EC2 and the capacitor C32 are grounded after being connected in parallel, and the chip U2 is also connected with a normally-closed diode D5 at the front end of the output end.

Further, the transmitting chip IC1 has a VDM pin, a SW1 pin and a SW2 pin, the wireless charging coil circuit is provided with a wireless charging oscillation circuit and a detection circuit, the wireless charging oscillation circuit is provided with three capacitors C2, C21 and C23, the VDM pin of the transmit chip IC1 is connected to the detection circuit of the wireless charging coil circuit, the detection circuit modulates the output power and voltage at the transmitter terminal by detecting the waveform of the wireless charging transmitter coil to the VDM pin of IC1, the transmitting chip IC1 outputs power through a SW1 pin and a SW2 pin, forms an oscillating circuit by combining a wireless charging transmitting coil and three capacitors C2, C21 and C23, the second circuit board is also provided with a switch circuit which is connected to the wireless charging control chip and the transmitting chip IC1, the wireless charging main control chip sends a signal to the switch circuit to control the switch circuit to be connected with or disconnected from the transmitting chip IC 1.

Furthermore, the routing of the first circuit board has an EMI shielding structure, the wireless charging and transmitting circuit has an LC oscillating portion and is surrounded by a ground wire, and the first circuit board is a four-layer board.

In the above-mentioned wireless car fills all-in-one, the car fills the main part and adopts the double circuit board, sets up the circuit structure who is used for the car to fill respectively and is used for the wireless circuit structure who charges, fills the main part with two charging circuit integration in a car inside. Therefore, on one hand, the wireless charging piece is only provided with the coil without other circuits, and the wireless charging piece does not need to be provided with a separate wireless charger or a separate wireless charging transmitting circuit; on the other hand, the double circuit board integration can fully utilize the internal space of the vehicle charging main body, the structure is more compact, and the cigarette lighting hole in the vehicle is effectively utilized; the interior of the vehicle is cleaner and cleaner, thereby saving space. Because the circuit structure that the car was filled can provide wireless required power supply power and voltage that fills, avoid in the past wireless fill another car fill power supply, cause the car to fill the apolegamy, wireless fill can't give the load with maximum power and voltage, lead to the not enough of wireless efficiency reduction of filling. In addition, the wireless charging piece is connected with the vehicle charging main body through a connecting line, so that the wireless charging piece is convenient to use and adapt to various electronic equipment such as mobile phones.

Drawings

Fig. 1 is a schematic perspective view of a wireless vehicle-charging all-in-one machine according to an embodiment of the utility model.

Fig. 2 is a schematic view of an internal structure of a vehicle charging body of the wireless vehicle charging integrated machine according to the embodiment of the utility model.

Fig. 3 is a schematic structural diagram of two circuit boards of the wireless vehicle-charging all-in-one machine according to the embodiment of the utility model.

Fig. 4 is a schematic view of an internal back structure of a wireless charging part of the wireless vehicle-charging all-in-one machine according to the embodiment of the utility model.

Fig. 5 is a schematic view of an internal front structure of a wireless charging unit of the wireless vehicle-charging all-in-one machine according to the embodiment of the utility model.

Fig. 6 is a schematic diagram of a vehicle charging path of the wireless vehicle-charging all-in-one machine according to the embodiment of the utility model.

Fig. 7 is a schematic circuit diagram of a wireless charging main control chip of the wireless vehicle-charging all-in-one machine according to the embodiment of the utility model.

Fig. 8 is a schematic diagram of a wireless charging and transmitting circuit of the wireless vehicle-charging integrated machine according to the embodiment of the utility model.

Fig. 9 is a schematic diagram of a wireless charging coil circuit of the wireless vehicle-charging all-in-one machine according to the embodiment of the utility model.

Fig. 10 is a schematic diagram of a switching circuit of the wireless vehicle-charging all-in-one machine according to the embodiment of the utility model.

Detailed Description

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

Referring to fig. 1, a wireless vehicle charging integrated machine 100 according to an embodiment of the present invention is shown, which includes a vehicle charging main body 10 and a wireless charging element 20 connected to the vehicle charging main body 10, where the vehicle charging main body 10 has a positive electrode 101 and a negative electrode 102, the vehicle charging main body 10 includes a vehicle charging housing 13 and a first circuit board 11 and a second circuit board 12 mounted in the vehicle charging housing 13, the first circuit board 11 and the second circuit board 12 are disposed at intervals, the first circuit board 11 is provided with a vehicle charging circuit 30, the second circuit board 12 is provided with a wireless charging control chip, a wireless charging transmitting circuit 50 and a wireless charging coil circuit 60, the wireless charging element has a wireless charging transmitting coil 21 connected to the wireless charging coil circuit 60 in the vehicle charging main body, the vehicle charging circuit 30 is electrically connected to the wireless charging control chip, the wireless charging transmitting circuit 50 is connected to the wireless charging control chip to detect and modulate wireless charging power and voltage, the wireless charging and transmitting circuit 50 is connected to the wireless charging coil circuit 60 and outputs power and voltage to the wireless charging coil circuit 60.

Specifically, the vehicle charging shell 13 is in a conventional shell shape, and is mainly inserted into a cigarette lighting hole of the vehicle, and the shell part at one charging end is slightly larger for conveniently setting more than two charging interfaces. The first circuit board 11 has a first end and a second end opposite to each other, the first end is provided with a positive pole member 101 and a negative pole member 102, and the second end is provided with a vehicle charging interface board 112. Further, the end of the second circuit board 12 close to the second end of the first circuit board 11 is provided with a wireless connection interface 122, and the wireless charging transmitting coil 21 is connected to the wireless connection interface 122 through a data line or a charging wire 27.

Preferably, as shown in fig. 3, the negative electrode member 102 is mounted at the first end of the first circuit board 11, the negative electrode member 102 includes a blade body 102a and two contacts 102b, the blade body 102a includes a left spring and a right spring, preferably, the left spring and the right spring are an integrated structure, and the two contacts 102b are respectively integrally formed on the left spring and the right spring and extend out of the vehicle charging housing 13. The left elastic sheet and the right elastic sheet enclose an inner space, a circuit board at the position of the inner space is provided with a plurality of electronic devices such as capacitors and resistors, and the left elastic sheet and the right elastic sheet enclose the plurality of electronic devices to form a certain EMI shielding structure. The first circuit board 11 is further provided with a plurality of EMI shielding structures. The first circuit board 11 is provided with two mounting brackets 115, one is close to the vehicle charging interface board 112, and the other is close to the first end and is located in the space surrounded by the left spring plate and the right spring plate. The mounting bracket 115 is in the form of a U-shaped vertical plate and has a wedge 115a, and the second circuit board 12 has a mounting hole, and the two circuit boards are connected by the wedge 115a being fitted into the mounting hole 125. Further, the blade body 102a is provided with two insertion pieces 106 protruding upward at a position near the middle of the first circuit board 11, and the second circuit board 12 has two insertion holes 126, and the two insertion pieces 106 are inserted into the two insertion holes 126 correspondingly, so as to provide more stable connection and support for the two circuit boards.

As shown in fig. 1 and 2, further, the wireless charging member 20 includes a housing 22 and a coil substrate 23 installed in the housing 22, the wireless charging transmitting coil 21 is formed on the coil substrate 23, the coil substrate 23 is a smooth metal plate or wire plate without circuit, as shown in fig. 2, and the coil substrate 23 is preferably a disk sheet.

As shown in fig. 4 and 5, the coil substrate 23 has a front surface 231 and a bottom surface 232, the front surface 231 is formed with the wireless charging transmitting coil 21, the front surface 231 and the bottom surface 232 are respectively provided with an upper connecting strip 245 and a lower connecting strip 246, the upper connecting strip 245 and the lower connecting strip 246 are mutually overlapped to form an integral connecting handle 24, and the data line or the charging line 27 is electrically connected with the connecting handle 24. In an alternative embodiment, the data or charging cord 27 is a unitary structure with the stem 24. Data line or charging wire 27 one end with the connecting handle 24 is connected, and the other end is connected in wireless connection interface 122, for example, preferably connect in wireless connection interface 122 through inserting the mode, conveniently receive wireless charging member 20 and its data line or charging wire 27.

Further, the upper connection bar 245 extends from the center to the edge of the front surface 231 of the coil base 23 and protrudes from the edge of the coil base 23, and the lower connection bar 246 extends from the center to the edge of the bottom surface 232 of the coil base 23 and protrudes from the edge of the coil base 23.

The wireless charging principle is as follows: the wireless charging and transmitting circuit 50 sends a square wave signal to the wireless charging and transmitting coil, the square wave signal is induced to the wireless receiving coil through the transmitting coil LC oscillation magnet, and the square wave signal of the wireless receiving coil provides charging power and voltage required by a load through the main control chip so as to carry out wireless charging.

Referring to fig. 6 to 10, schematic diagrams of various circuits in the wireless car-charger integrated machine 100 according to the present embodiment are shown. As shown in fig. 6, the car charging circuit 30 employs a buck conversion control chip U2 with a QC fast charging protocol. As shown in fig. 7, the wireless charging control chip is also called MCU chip, and is shown as chip IC 6. The buck conversion control chip U2 has a DP pin and a DM pin, which are correspondingly connected to the 26 th pin and the 25 th pin of the wireless charging control chip IC6 to provide required power and voltage.

Preferably, the vehicle charging circuit 30 adopts a chip U2 of an IP6525T model, the chip U2 is connected with a filtering ceramic chip capacitor EC1 on an input circuit, the chip U2 is connected with a resistor R2, a capacitor C30 and an inductor L1 on an output circuit, the R2 and a capacitor C30 are connected in series with a SW pin of the chip U2, the R2 and the capacitor C30 are used for reducing EMI and filtering output, and the inductor L1 is used for storing energy. The chip U2 is also connected with a filtering ceramic chip capacitor EC2 and a capacitor C32 at the front end of the output end, the filtering ceramic chip capacitor EC2 and the capacitor C32 are grounded after being connected in parallel, and the chip U2 is also connected with a normally closed diode D5 at the front end of the output end.

Specifically, as shown in fig. 6, the chip U2 has a capacitor C1, a capacitor C7, and a capacitor C27 on the input circuit, and cooperates with the filter ceramic capacitor EC1 to perform the functions of vehicle charging input capacitor energy storage filtering and EMI interference resistance. The chip U2 of the IP6525T is a vehicle charging synchronous buck converter, a QC quick charging protocol is built in the converter, and power and voltage required by wireless charging are provided.

As shown in fig. 8, a transmitting chip IC1 is further disposed on the second circuit board 12, and the transmitting chip IC1 is a chip with a model SC 5002. As shown in the figure, the output circuit of the transmitting chip IC1 is provided with a power detection circuit 15 for wireless charging transmitting terminal power detection, and the 4 th pin and the 5 th pin of the transmitting chip IC1 detect RS1 resistance voltage difference to calculate power, including abnormal power. The transmitting chip IC1 has a CSO pin (i.e., pin 6), a PWM1 pin (i.e., pin 8), and a PWM2 pin (i.e., pin 9), the wireless charging control chip IC6 has a VDD pin (i.e., pin 27), a P22 pin (i.e., pin 14), and a P23 pin (i.e., pin 15), and the CSO pin, the PWM1 pin, the PWM2 pin and the VDD pin, the P22 pin, and the P23 pin are respectively and correspondingly connected to provide corresponding power and voltage.

As shown in fig. 8 and 9, the transmitting chip IC1 has a VDM pin (i.e., pin 15), a SW1 pin (i.e., pin 13), and a SW2 pin (i.e., pin 12), the wireless charging coil circuit 60 has a wireless charging oscillation circuit 61 and a detection circuit 62, the wireless charging oscillation circuit 61 has three capacitors C2, C21, and C23, the VDM pin of the transmitting chip IC1 is connected to the detection circuit 62 of the wireless charging coil circuit 60, the detection circuit 62 modulates output power and voltage of a transmitting terminal by detecting a waveform of the wireless charging transmitting coil to the VDM pin of the IC1, and the transmitting chip IC1 outputs power through the SW1 pin and the SW2 pin, and forms an oscillation circuit by combining the wireless charging transmitting coil 21 and the three capacitors C2, C21, and C23.

In addition, as shown in fig. 10, the second circuit board further has a switch circuit 70 thereon, the switch circuit 70 is connected to the wireless charging control chip IC6 and the transmitting chip IC1, and the wireless charging control chip IC6 gives a signal to the switch circuit to control the switch circuit to be connected with or disconnected from the transmitting chip IC 1. Specifically, the switch circuit 70 adopts a BL1551 chip IC2, the wireless charging main control chip IC6 is connected with the 6 th pin of the switch circuit chip IC2 through the 13 th pin to signal to the chip IC2, the 16 th pin and the 7 th pin of the transmitting chip IC1 are connected with the 3 rd pin and the 1 st pin of the switch circuit chip IC2 in fig. 10, and signals of the corresponding wireless charging main control chip IC6 are given, namely, the signals are given to the signal switch circuit through the wireless charging main control chip IC6 to control the transmitting chip IC 1.

Further, the routing of the first circuit board 11 has an EMI shielding structure, the wireless charging and transmitting circuit 50 has an LC oscillating portion and is surrounded by a ground wire, and the first circuit board 11 is a four-layer board to enhance the anti-interference of the wireless vehicle charging and transmitting integrated machine 100, so that the EMI shielding is easier to meet the requirements, and is helpful for the heat dissipation of the power device. In addition, in the vehicle charging body of the present embodiment, the line (large current) of the power supply portion of the vehicle charging path 30 and the wireless charging signal (small current) line are routed separately. The SW pin of the car charging circuit 30 needs to be surrounded by a ring ground, and an RC circuit is added to input VIN and ground close to the chip of the car charging circuit 30. The wireless oscillation part (comprising a coil and a high-frequency ceramic chip capacitor) needs to be surrounded by a ground wire, and an MCU signal circuit and a transmitting chip signal circuit cannot pass through an LC oscillation circuit.

Therefore, in the wireless vehicle-charging all-in-one machine 100, the vehicle-charging main body 10 adopts two circuit boards, a circuit structure for vehicle charging and a circuit structure for wireless charging are respectively provided, and two charging circuits are integrated in one vehicle-charging main body 10. Thus, on one hand, the wireless charging piece 20 is provided with only a coil without other circuits, and the wireless charging piece 20 is not required to be provided with a separate wireless charger or a separate wireless charging and transmitting circuit 50; on the other hand, the integration of the double circuit boards can fully utilize the internal space of the vehicle charging main body 10, the structure is more compact, and the cigarette lighting hole in the vehicle is effectively utilized; the interior of the vehicle is cleaner and cleaner, thereby saving space. Because the circuit structure that the car was filled can provide wireless required power supply power and voltage that fills, avoid in the past wireless fill another car fill power supply, cause the car to fill the apolegamy, wireless fill can't give the load with maximum power and voltage, lead to the not enough of wireless efficiency reduction of filling. In addition, the wireless charging piece 20 is connected with the vehicle charging body 10 through a connecting line, so that the use can be prolonged, the wireless charging piece can be adapted to various electronic devices such as mobile phones, and the use is convenient.

It should be noted that the present invention is not limited to the above-mentioned embodiments, and other changes and modifications can be made by those skilled in the art according to the spirit of the present invention, and these changes and modifications made according to the spirit of the present invention should be included in the scope of the present invention as claimed.

Claims (10)

1. A wireless vehicle-charging integrated machine comprises a vehicle-charging main body and a wireless charging piece connected with the vehicle-charging main body, wherein the vehicle-charging main body is provided with a positive pole piece and a negative pole piece, it is characterized in that the vehicle charging main body comprises a vehicle charging shell, a first circuit board and a second circuit board which are arranged in the vehicle charging shell, the first circuit board and the second circuit board are arranged at intervals, the first circuit board is provided with a vehicle charging circuit, the second circuit board is provided with a wireless charging main control chip, a wireless charging transmitting circuit and a wireless charging coil circuit, the wireless charging piece is provided with a wireless charging transmitting coil which is connected with a wireless charging coil circuit in the vehicle charging body, the vehicle charging circuit is electrically connected with the wireless charging main control chip, the wireless charging transmitting circuit is connected with the wireless charging main control chip to detect and modulate the wireless charging power and voltage, the wireless charging transmitting circuit is connected with the wireless charging coil circuit and outputs power and voltage to the wireless charging coil circuit.

2. The wireless vehicle-charging integrated machine according to claim 1, wherein the first circuit board has a first end and a second end opposite to each other, the first end is provided with a positive pole piece and a negative pole piece, the second end is provided with a vehicle-charging interface board, the end of the second circuit board close to the second end of the first circuit board is provided with a wireless connection interface, and the wireless charging transmitting coil is connected to the wireless connection interface through a data line or a charging line.

3. The wireless vehicle-charging all-in-one machine as claimed in claim 1, wherein the vehicle charging circuit adopts a buck conversion control chip with a QC fast charging protocol, the buck conversion control chip has a DP pin and a DM pin, and the DP pin and the DM pin are correspondingly connected to a 26 th pin and a 25 th pin of the wireless charging main control chip to provide required power and voltage.

4. The wireless vehicle-charging all-in-one machine of claim 1, wherein the wireless charging transmitting circuit is provided with a transmitting chip IC1, the transmitting chip IC1 is provided with a CSO pin, a PWM1 pin and a PWM2 pin, the wireless charging main control chip is provided with a VDD pin, a P22 pin and a P23 pin, and the CSO pin, the PWM1 pin and the PWM2 pin are respectively and correspondingly connected with the VDD pin, the P22 pin and the P23 pin so as to provide corresponding power and voltage.

5. The wireless vehicle-charging integrated machine according to claim 2, wherein the wireless charging element comprises a housing and a coil substrate arranged in the housing, the wireless charging transmitting coil is formed on the coil substrate, the coil substrate is a smooth metal plate or a wire plate without a circuit, and the coil substrate is a disk sheet.

6. The wireless vehicle-charging integrated machine according to claim 5, wherein the coil substrate has a front surface and a bottom surface, the front surface is formed with the wireless charging transmitting coil, the front surface and the bottom surface are respectively provided with an upper connecting strip and a lower connecting strip, the upper connecting strip and the lower connecting strip are mutually overlapped to form an integrated connecting handle, and the data line or the charging line is electrically connected with the connecting handle.

7. The cordless car and charger all-in-one machine of claim 6, wherein the upper connection bar extends from the center to the edge of the front surface of the coil base and protrudes from the edge of the coil base, and the lower connection bar extends from the center to the edge of the bottom surface of the coil base and protrudes from the edge of the coil base.

8. The wireless vehicle-charging all-in-one machine as claimed in claim 1, wherein the vehicle-charging circuit adopts an IP6525T model chip U2, the chip U2 is connected with a filter ceramic chip capacitor EC1 on an input circuit, the chip is connected with a resistor R2, a capacitor C30 and an inductor L1 on an output circuit, the R2 and the capacitor C30 are connected in series to an SW pin of a chip U2, the R2 and the capacitor C30 are used for reducing EMI, the chip U2 is further connected with a filter ceramic chip capacitor EC2 and a capacitor C32 at the front end of an output end, the filter ceramic chip capacitor EC2 and the capacitor C32 are connected in parallel and then grounded, and the chip U2 is further connected with a normally closed diode D5 at the front end of the output end.

9. The wireless vehicle charger integrated machine of claim 4, wherein the transmitting chip IC1 has a VDM pin, a SW1 pin and a SW2 pin, the wireless charging coil circuit has a wireless charging oscillation circuit and a detection circuit, the wireless charging oscillation circuit has three capacitors C2, C21 and C23, the VDM pin of the transmitting chip IC1 is connected with the detection circuit of the wireless charging coil circuit, the detection circuit modulates the output power and voltage of the transmitting terminal by detecting the waveform of the wireless charging transmitting coil to the VDM pin of the IC1, the transmitting chip IC1 outputs power through a SW1 pin and a SW2 pin, an oscillation circuit is formed by combining the wireless charging transmitting coil and the three capacitors C2, C21 and C23, the second circuit board further has a switch circuit, the switch circuit is connected to the wireless charging control chip and the transmitting chip IC1, the wireless charging control chip gives signals to the switch circuit, and controlling the switch circuit to be connected or disconnected with the transmitting chip IC 1.

10. The wireless vehicle-charging integrated machine according to claim 1, wherein the first circuit board has a trace having an EMI shielding structure, the wireless charging/transmitting circuit has an LC oscillating portion and is surrounded by a ground line, and the first circuit board is a four-layer board.

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