CN217022389U - Vehicle-mounted player with wireless charging function - Google Patents

Abstract

The utility model relates to the technical field of vehicle-mounted players, and particularly discloses a vehicle-mounted player with a wireless charging function, which comprises a shell, control buttons, a control knob, a PCB (printed circuit board), a charging panel and a clamping piece, wherein the shell is provided with the control knob and a plurality of control buttons, a wireless charging coil is arranged in the charging panel, the PCB and the charging panel are arranged in the shell, the clamping piece is connected with the charging panel through an elastic component, and the control knob, the control buttons and the wireless charging coil are electrically connected with the PCB. The mobile phone is fixedly clamped and placed by arranging the clamping piece on the outer shell, the mobile phone is convenient to use, the charging panel is arranged in the outer shell, and the wireless charging coil is arranged in the charging panel and matched with the PCB, so that a wireless charging function of the mobile phone is realized, the functions are diversified, and the user experience effect is good.

Description

Vehicle-mounted player with wireless charging function

Technical Field

The utility model relates to the technical field of vehicle-mounted players, in particular to a vehicle-mounted player with a wireless charging function.

Background

The vehicle-mounted player is a multimedia playing system which is installed in an automobile and provides audio and video entertainment for passengers in the automobile, and vehicle-mounted entertainment facilities are more and more favored by people along with pursuit of people on high quality living standard. However, the car amusement facilities are often limited by the installation conditions and driving characteristics of the cars, and thus the ideal effect is difficult to achieve. How to provide a vehicle-mounted player with ideal effect for the vast automobile lovers becomes the expectation of the automobile lovers. However, the existing vehicle-mounted player is single in function, cannot be fixedly placed for use, cannot be used for charging the mobile phone, and is poor in user experience effect.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a vehicle-mounted player with a wireless charging function, aiming at the defects in the prior art, the mobile phone is fixedly clamped and placed by arranging the clamping piece on the outer shell, the mobile phone is convenient to use, the charging panel is arranged in the outer shell, and the wireless charging coil is arranged in the charging panel and matched with the PCB circuit board, so that the wireless charging function of the mobile phone is realized, the functions are diversified, and the user experience effect is good.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the utility model provides a take vehicle player of wireless function of charging, includes shell body, control button, control knob, PCB circuit board, the panel and the holder that charge, set up control knob and a plurality of control button on the shell body, it is provided with wireless charging coil in the panel to charge, PCB circuit board and the panel that charges all set up in the shell body, the holder pass through elastomeric element with the panel connection that charges, control button and wireless charging coil all with PCB circuit board electric connection.

Preferably, a limiting through hole is formed in the outer shell, one end of the clamping piece penetrates through the limiting through hole, and a fixing baffle plate which is symmetrical to the clamping piece is arranged on the outer side of the outer shell.

Preferably, the control keys comprise a volume control key, a gear control key, a power control key, a menu control key and a pause control key, the outer shell is further provided with a front panel and a back panel, the front panel is arranged at the front end of the outer shell, and the back panel is arranged at the back of the outer shell.

Preferably, the PCB circuit board includes a wireless charging circuit board and a main control car machine circuit board, the wireless charging circuit board respectively with the wireless charging coil and the main control car machine circuit board electric connection, control knob and control button all with main control car machine circuit board electric connection.

Preferably, the wireless charging circuit board comprises a wireless charging main control IC circuit, a PWM signal conversion circuit, a sensing circuit, a voltage conversion circuit and a voltage stabilizing circuit, the sensing circuit is electrically connected to the PWM signal conversion circuit, and the PWM signal conversion circuit, the voltage conversion circuit and the voltage stabilizing circuit are electrically connected to the wireless charging main control IC circuit.

Preferably, the wireless charging main control IC circuit includes a wireless charging main control chip U1, a light emitting diode D01, a light emitting diode D02, a resistor R06, a resistor R07, a resistor R09, a diode D04, a diode D05, a capacitor C4, a capacitor C6, a capacitor C8, a capacitor C9, a capacitor C13, and a capacitor C14, the resistor R06 and the resistor R07 are respectively connected to the light emitting diode D01 and the light emitting diode D02, and the resistor R06, the resistor R07, the resistor R09, the diode D04, the diode D05, the capacitor C4, the capacitor C6, the capacitor C8, the capacitor C9, the capacitor C13, and the capacitor C14 are all connected to the wireless charging main control chip U1.

Preferably, the voltage conversion circuit includes a voltage conversion chip U5, a resistor R4, a resistor R14, a resistor R15, a resistor R16, a capacitor C24, a capacitor C28 and a capacitor C29, the resistor R4, the resistor R14, the resistor R15, the resistor R16, the capacitor C24, the capacitor C28 and the capacitor C29 are all connected to the voltage conversion chip U5, and the resistor R4 and the capacitor C24 are all connected to the wireless charging main control chip U1.

Preferably, the main control car machine circuit board includes main control car machine chip circuit, peripheral interface circuit, power management circuit, attacks discharge circuit, on-vehicle radio module circuit and MIC circuit, peripheral interface circuit, power management circuit, attack discharge circuit, on-vehicle radio module circuit and MIC circuit all with main control car machine chip circuit electric connection.

Preferably, the main control car machine chip circuit includes main control car machine chip U10, crystal oscillator X6, resistance R98, electric capacity C36 and diode D10, resistance R98's one end and diode D10's positive pole all are connected with electric capacity C36's one end, resistance R98's one end, diode D10's negative pole and crystal oscillator X6 all with main control car machine chip U10 is connected.

Preferably, the MIC circuit includes a microphone MIC1, a capacitor C160, a capacitor C240, a capacitor C270, a resistor R40, a resistor R220, a capacitor C237, a capacitor C195, a capacitor C182, a resistor R288, and a resistor R329, one end of the capacitor C270 and one end of the resistor R40 are both connected to the microphone MIC1, the other end of the resistor R40, one end of the capacitor C240, and one end of the capacitor C160 are all connected to one end of the resistor R220, one end of the capacitor C237 is connected to one end of the resistor R288, the other end of the resistor R288, one end of the capacitor C195, and one end of the capacitor C182 are all connected to one end of the resistor R329, the other end of the capacitor C237, the other end of the resistor R220, and the other end of the capacitor C270 are all connected to the main control chip U10, and the other end of the capacitor C24 and the other end of the capacitor C16 are all grounded.

By adopting the technical scheme, the vehicle-mounted player with the wireless charging function provided by the utility model has the following beneficial effects: the charging panel in this take on-vehicle player of wireless function of charging is provided with wireless charging coil, PCB circuit board and charging panel all set up in the shell body, the holder pass through elastomeric element with charging panel connects, control knob, control button and wireless charging coil all with PCB circuit board electric connection, fix the centre gripping through setting up the holder on the shell body and place the cell-phone, make things convenient for the cell-phone to use, through set up charging panel in the shell body, set up wireless charging coil and the cooperation of PCB circuit board in the charging panel, the realization is to the wireless function of charging of cell-phone, can realize fixed placing the cell-phone and use, can wirelessly charge to the cell-phone again, the function is diversified, can promote user's use satisfaction greatly, user experience is effectual.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a schematic circuit diagram of the wireless charging circuit board according to the present invention;

FIG. 4 is a schematic circuit diagram of a main control car machine chip circuit according to the present invention;

FIG. 5 is a schematic circuit diagram of the peripheral interface circuit of the present invention;

FIG. 6 is a schematic circuit diagram of the power management circuit of the present invention;

FIG. 7 is a schematic circuit diagram of the tapping circuit of the present invention;

FIG. 8 is a schematic circuit diagram of the vehicle-mounted radio module circuit of the present invention;

FIG. 9 is a circuit schematic of an MIC circuit in the present invention;

in the figure, 1-outer shell, 2-control knob, 3-PCB circuit board, 4-charging panel, 5-clamping piece, 6-spacing through hole, 7-fixed baffle, 8-volume control key, 9-gear control key, 10-power control key, 11-menu control key, 12-pause control key, 13-front panel, 14-back panel, 15-wireless charging coil.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, and is not intended to limit the present invention. In addition, the technical features involved in the respective embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

As shown in fig. 1-2, in the exploded view of the present invention, the vehicle-mounted player with wireless charging function includes an outer casing 1, control buttons, a control button 2, a PCB circuit board 3, a charging panel 4 and a clamping member 5, the outer casing 1 is provided with the control button and a plurality of control buttons, the charging panel 4 is provided with a wireless charging coil 15 therein, the PCB circuit board 3 and the charging panel 4 are both disposed in the outer casing 1, the clamping member 5 is connected to the charging panel 4 through an elastic component, and the control button 2, the control button and the wireless charging coil 15 are all electrically connected to the PCB circuit board 3. It can be understood that the elastic component can be a spring and the like, and is mainly used for the stretching and resetting functions of the clamping piece 5 so as to clamp mobile devices such as mobile phones and the like; the outer housing 1, the charging panel 4 and the clamping member 5 may be made of hard plastic.

Specifically, a limiting through hole 6 is formed in the outer shell, one end of the clamping piece 5 penetrates through the limiting through hole 6, and a fixed baffle 7 which is symmetrical to the clamping piece 5 is arranged on the outer side of the outer shell 1; the control keys comprise a volume control key 8, a gear control key 9, a power control key 10, a menu control key 11 and a pause control key 12, the outer shell 1 is further provided with a front panel 13 and a back panel 14, the front panel 13 is arranged at the front end of the outer shell 1, and the back panel 14 is arranged at the back of the outer shell 1. It can be understood that the clamping piece 5 can move relative to the fixed baffle 7 so as to adapt to mobile phones and other equipment with different sizes, and the cross section of the limiting through hole 6 can be rectangular and the like.

Specifically, as shown in fig. 3-9, the PCB circuit board 3 includes a wireless charging circuit board and a main control car machine circuit board, the wireless charging circuit board is electrically connected to the wireless charging coil 15 and the main control car machine circuit board respectively, and the control knob 2 and the control key are electrically connected to the main control car machine circuit board; the wireless charging circuit board comprises a wireless charging main control IC circuit, a PWM signal conversion circuit, a sensing circuit, a voltage conversion circuit and a voltage stabilizing circuit, wherein the sensing circuit is electrically connected with the PWM signal conversion circuit; the wireless charging master control IC circuit comprises a wireless charging master control chip U1, a light emitting diode D01, a light emitting diode D02, a resistor R06, a resistor R07, a resistor R09, a diode D04, a diode D05, a capacitor C4, a capacitor C6, a capacitor C8, a capacitor C9, a capacitor C13 and a capacitor C14, wherein the resistor R06 and the resistor R07 are respectively connected with the light emitting diode D01 and the light emitting diode D02, and the resistor R06, the resistor R07, the resistor R09, the diode D04, the diode D05, the capacitor C4, the capacitor C6, the capacitor C8, the capacitor C9, the capacitor C13 and the capacitor C14 are all connected with the wireless charging master control chip U1; the voltage conversion circuit comprises a voltage conversion chip U5, a resistor R4, a resistor R14, a resistor R15, a resistor R16, a capacitor C24, a capacitor C28 and a capacitor C29, wherein the resistor R4, the resistor R14, the resistor R15, the resistor R16, the capacitor C24, the capacitor C28 and the capacitor C29 are all connected with the voltage conversion chip U5, and the resistor R4 and the capacitor C24 are all connected with the wireless charging main control chip U1; the sensing circuit comprises a resistor R01, a resistor R02, a resistor R03, a resistor R05 and a capacitor C1, wherein one end of the resistor R01 and one end of the resistor R02 are both connected with the capacitor C1, the other end of the resistor R01 and one end of the resistor R03 are both connected with one end of the resistor R05, the other end of the resistor R02 is connected with one end of the capacitor C10, the other end of the resistor R03 is connected with the other end of the capacitor C10, and the other end of the resistor R05, the other end of the resistor R02 and the other end of the resistor R03 are respectively connected with a third pin, a first pin and a second pin of the wireless charging main control chip U1; the PWM signal converting circuit includes a capacitor C2, a capacitor C3, a capacitor C12, a capacitor C18, a capacitor C39, a capacitor C15, a capacitor C16, a capacitor C17, a capacitor C19, a capacitor C30, a capacitor C21, a resistor R08, a resistor R20, a resistor R21, a resistor R22, a resistor R23, a transistor Q23 and a transistor Q23, wherein one end of the capacitor C23, one end of the transistor Q23, a drain of the transistor Q23 and a drain of the transistor Q23 are all connected to one end of the resistor R23, one end of the capacitor C23 and one end of the capacitor C23 are all connected to the gate of the transistor Q23, the other end of the capacitor C23 and one end of the capacitor C23 are both connected to the gate of the transistor Q23, the other end of the capacitor C23, the other end of the capacitor C23 and the other end of the capacitor C23 are both connected to the source of the transistor C23, the source of the capacitor C23, the source of the transistor C23 and the transistor C23, the source of the transistor C23, the transistor C23 and the source of the transistor C23 are connected to ground, one end of the resistor R21 and the other end of the capacitor C18 are both connected with a gate of the transistor Q6, one end of the resistor R23 and the other end of the capacitor C21, one end of the resistor R23 and the other end of the capacitor C21 are both connected with a gate of the transistor Q4, and the other end of the resistor R20, the other end of the resistor R21, the other end of the resistor R22 and the other end of the resistor R23 are respectively connected with an eleventh pin, a fourteenth pin, a nineteenth pin and a sixteenth pin of the wireless charging main control chip U1; the voltage stabilizing circuit comprises a resistor R10, a resistor R12, a resistor R13, a resistor R17, a resistor R18, a capacitor C22, a capacitor C23, a capacitor C5 and a diode D04, wherein one end of the resistor R10 and one end of the capacitor C23 are respectively connected with a twenty-third pin and a twenty-seventh pin of a wireless charging main control chip U1, the other end of the resistor R10 is connected with an anode of the diode D04, one end of the resistor R12 is connected with a cathode of the diode D04, the other end of the resistor R12, one end of the resistor R13, one end of the resistor R17 and one end of the capacitor C22 are respectively connected with the other end of the capacitor C23, the other end of the resistor R17, one end of the resistor R18 and one end of the capacitor C5 are respectively connected with a ninth pin of the wireless charging main control chip U1, and the other end of the resistor R18 and the other end of the capacitor C5 are respectively grounded. It is understood that the wireless charging master control chip U1 may be an IP6808_ QFN32 chip, etc., and the voltage conversion chip U5 may be an LM321 chip, etc.

Specifically, the main control car machine circuit board comprises a main control car machine chip circuit, a peripheral interface circuit, a power management circuit, an attack and discharge circuit, a car radio module circuit and an MIC circuit, wherein the peripheral interface circuit, the power management circuit, the attack and discharge circuit, the car radio module circuit and the MIC circuit are electrically connected with the main control car machine chip circuit; the main control car machine chip circuit comprises a main control car machine chip U10, a crystal oscillator X6, a resistor R98, a capacitor C36 and a diode D10, wherein one end of the resistor R98 and the anode of the diode D10 are connected with one end of the capacitor C36, and one end of the resistor R98, the cathode of the diode D10 and the crystal oscillator X6 are connected with the main control car machine chip U10; the MIC circuit comprises a microphone MIC1, a capacitor C160, a capacitor C240, a capacitor C270, a resistor R40, a resistor R220, a capacitor C237, a capacitor C195, a capacitor C182, a resistor R288 and a resistor R329, wherein one end of the capacitor C270 and one end of the resistor R40 are connected with the microphone MIC1, the other end of the resistor R40, one end of the capacitor C240 and one end of the capacitor C160 are connected with one end of the resistor R220, one end of the capacitor C237 is connected with one end of the resistor R288, the other end of the resistor R288, one end of the capacitor C195 and one end of the capacitor C182 are connected with one end of the resistor R329, the other end of the capacitor C237, the other end of the resistor R220 and the other end of the capacitor C270 are connected with the main control vehicle chip U10, and the other end of the capacitor C24 and the other end of the capacitor C16 are grounded; the peripheral interface circuit comprises a radio module CON1, a triode Q1, a resistor R1, a capacitor C120, a capacitor C1, a USB interface USB1, an interface chip U1, a resistor R1, a capacitor C130, a battery interface CON1, a FFC connector CON1 and a wireless charging interface J1, wherein one end of the resistor R1, one end of the resistor R1 and one end of the resistor R1 are respectively connected with the main control car machine chip U1, the other end of the resistor R1 and one end of the resistor R1 are both connected with the collector electrode of the triode Q1, the other end of the resistor R1 and one end of the capacitor C1 are both connected with the base electrode of the triode Q1, the other end of the resistor R1, one end of the capacitor C120 and one end of the capacitor C1 are both connected with the CON module 1, the battery C1, the receiver module CON1 and the FFC 1 are both connected with the wireless charging interface J1; the power management circuit comprises a diode D5, a diode D16, a voltage regulator tube ZD2, a diode D22, a power management chip U21, a resistor R174, a capacitor C171, a capacitor EC6, a capacitor C227, a capacitor EC7, an inductor L5, a capacitor EC19, a capacitor EC17, a capacitor C19 and a capacitor C234, wherein one end of the resistor R174, one end of the capacitor C171 and one end of the capacitor EC6 are all connected with the input end of the power management chip U21, one point of the capacitor EC19, one end of the capacitor C227 and the anode of the diode D5 are all connected with the output end of the power management chip U21, the cathode of the diode D22 and the cathode of the diode D5 are all connected with one end of the inductor L5, the other end of the inductor L5 is connected with the anode of the diode D16, and one end of the capacitor EC17, the cathode of the voltage regulator tube ZD2 and one end of the capacitor C234 are all connected with the cathode of the diode D16; the tapping circuit comprises a sound channel tapping and discharging chip U22 and a chip peripheral circuit thereof, and is used for realizing sound channel tapping and discharging; the vehicle-mounted radio module circuit comprises a radio chip U20 and a chip peripheral circuit thereof, and is used for realizing volume control and the like; the connection relationships of only the main circuit elements are listed above, and the specific connection relationships of the specific circuit elements of the other circuits are shown in the drawings, which is not repeated herein. It is understood that the main car chip U10 may be a SWT6D986 chip, etc., the radio module CON1 may be a JYT05-F122 radio chip, etc., the power management chip U21 may be a HT7550 chip, etc., the sound channel tapping chip U22 may be a TDA7388 chip, etc., and the radio chip U20 may be a SI4745 chip, etc.

The mobile phone charging device is reasonable in design and unique in structure, the mobile phone is fixedly clamped and placed by arranging the clamping piece 5 on the outer shell 1, the mobile phone is convenient to use, the charging panel 4 is arranged in the outer shell 1, and the wireless charging coil 15 is arranged in the charging panel 4 and matched with the PCB circuit board 3, so that the wireless charging function of the mobile phone is realized, the functions are diversified, and the user experience effect is good.

The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.

Claims (10)

1. The utility model provides a take on-vehicle player of wireless function of charging which characterized in that: including shell body, control button, control knob, PCB circuit board, panel and holder charge, set up control knob and a plurality of control button on the shell body, it is provided with wireless charging coil in the panel to charge, PCB circuit board and the panel that charges all set up in the shell body, the holder pass through elastomeric element with the panel connection that charges, control knob, control button and wireless charging coil all with PCB circuit board electric connection.

2. The vehicle-mounted player with wireless charging function according to claim 1, wherein: the clamping piece is characterized in that a limiting through hole is formed in the outer shell, one end of the clamping piece penetrates through the limiting through hole, and a fixing baffle plate which is symmetrical to the clamping piece is arranged on the outer side of the outer shell.

3. The vehicle-mounted player with wireless charging function according to claim 1, wherein: the control button includes volume control button, gear control button, power control button, menu control button and pause control button, still be provided with front panel and backplate on the shell body, the front panel set up in the front end of shell body, the backplate set up in the back of shell body.

4. The vehicle-mounted player with wireless charging function according to claim 1, wherein: the PCB circuit board includes wireless charging circuit board and main control car machine circuit board, wireless charging circuit board respectively with wireless charging coil and main control car machine circuit board electric connection, control knob and control button all with main control car machine circuit board electric connection.

5. The vehicle-mounted player with the wireless charging function according to claim 4, wherein: the wireless charging circuit board comprises a wireless charging main control IC circuit, a PWM signal conversion circuit, a sensing circuit, a voltage conversion circuit and a voltage stabilizing circuit, wherein the sensing circuit is electrically connected with the PWM signal conversion circuit, and the PWM signal conversion circuit, the voltage conversion circuit and the voltage stabilizing circuit are electrically connected with the wireless charging main control IC circuit.

6. The vehicle-mounted player with wireless charging function according to claim 5, wherein: the wireless charging master control IC circuit comprises a wireless charging master control chip U1, a light emitting diode D01, a light emitting diode D02, a resistor R06, a resistor R07, a resistor R09, a diode D04, a diode D05, a capacitor C4, a capacitor C6, a capacitor C8, a capacitor C9, a capacitor C13 and a capacitor C14, wherein the resistor R06 and the resistor R07 are respectively connected with the light emitting diode D01 and the light emitting diode D02, and the resistor R06, the resistor R07, the resistor R09, the diode D04, the diode D05, the capacitor C4, the capacitor C6, the capacitor C8, the capacitor C9, the capacitor C13 and the capacitor C14 are all connected with the wireless charging master control chip U1.

7. The vehicle-mounted player with the wireless charging function according to claim 6, wherein: the voltage conversion circuit comprises a voltage conversion chip U5, a resistor R4, a resistor R14, a resistor R15, a resistor R16, a capacitor C24, a capacitor C28 and a capacitor C29, wherein the resistor R4, the resistor R14, the resistor R15, the resistor R16, the capacitor C24, the capacitor C28 and the capacitor C29 are all connected with the voltage conversion chip U5, and the resistor R4 and the capacitor C24 are all connected with the wireless charging main control chip U1.

8. The vehicle-mounted player with wireless charging function according to claim 4, wherein: the main control car machine circuit board comprises a main control car machine chip circuit, a peripheral interface circuit, a power management circuit, an attack discharge circuit, a vehicle-mounted radio module circuit and an MIC circuit, wherein the peripheral interface circuit, the power management circuit, the attack discharge circuit, the vehicle-mounted radio module circuit and the MIC circuit are electrically connected with the main control car machine chip circuit.

9. The vehicle-mounted player with the wireless charging function according to claim 8, wherein: the main control car machine chip circuit includes main control car machine chip U10, crystal oscillator X6, resistance R98, electric capacity C36 and diode D10, the one end of resistance R98 and diode D10's positive pole all are connected with electric capacity C36's one end, resistance R98's one end, diode D10's negative pole and crystal oscillator X6 all with main control car machine chip U10 connects.

10. The vehicle-mounted player with the wireless charging function according to claim 9, wherein: the MIC circuit comprises a microphone MIC1, a capacitor C160, a capacitor C240, a capacitor C270, a resistor R40, a resistor R220, a capacitor C237, a capacitor C195, a capacitor C182, a resistor R288 and a resistor R329, one end of the capacitor C270 and one end of the resistor R40 are connected with the microphone MIC1, the other end of the resistor R40, one end of the capacitor C240 and one end of the capacitor C160 are connected with one end of the resistor R220, one end of the capacitor C237 is connected with one end of the resistor R288, the other end of the resistor R288, one end of the capacitor C195 and one end of the capacitor C182 are connected with one end of the resistor R329, the other end of the capacitor C237, the other end of the resistor R220 and the other end of the capacitor C270 are connected with the main control vehicle chip U10, and the other end of the capacitor C24 and the other end of the capacitor C16 are grounded.

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