Vehicle-mounted wireless fast charging assembly
By employing multiple copper coil transmitting coils, RGB full-color LED display circuits, and buzzer sound circuits within the PCB board in the vehicle wireless charging system, the problems of large charging substrate size and limited information feedback are solved, resulting in cost reduction and improved user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-04-10
AI Technical Summary
Existing in-vehicle wireless charging systems suffer from problems such as excessively large charging substrate size, inadequate human-machine interaction design, and limited information feedback.
It adopts a layout of multiple copper coil transmitting coils on PCB boards, and adds RGB full-color light display circuit and buzzer sound circuit. The transmitting coils, lights and sound are controlled by a microcontroller to display the charging status.
It reduces the cost of the charging system, improves the user experience, and uses colorful lights and sounds to indicate the charging process. Its compact structure enhances the fun and reliability of information feedback.
Smart Images
Figure CN224110929U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to new energy automobile charging technical field, concretely relates to a wireless fast charging assembly for vehicle. BACKGROUND
[0002] With the rapid development of new energy vehicles, wireless charging technology gradually becomes a research hotspot due to its convenience and safety. The existing vehicle-mounted high-power wireless charging system generally adopts multiple transmitting coil array layout to achieve efficient energy transmission. This technology arranges multiple planar spiral coils in the charging base plate, which causes the overall charging base plate to be too large.
[0003] On the other hand, the human-computer interaction design of the existing wireless charging system has obvious deficiencies. The current mainstream products generally use single-color LED indicator lights for state feedback, such as red indicating charging and green indicating charging completion. This simple display method has serious information limitations. INVENTION CONTENTS
[0004] In order to solve the above technical problems, the utility model provides a wireless fast charging assembly for vehicle.
[0005] In order to achieve the above purpose, the technical scheme of the utility model is as follows:
[0006] The utility model discloses a wireless fast charging assembly for vehicle, which comprises a charging base plate and a PCB plate installed on the charging base plate, and circuit components are installed on the PCB plate.
[0007] The circuit components comprise a single-chip microcomputer, a wireless charging modulation circuit, at least three transmitting coils, an RGB full-color light display circuit, and a buzzer sound circuit. The multiple transmitting coils are placed at different heights on the PCB plate, and each transmitting coil is a copper coil inside the PCB plate.
[0008] The wireless charging modulation circuit, the RGB full-color light display circuit, and the buzzer sound circuit are electrically connected to the single-chip microcomputer. The vehicle-mounted power supply is electrically connected to the transmitting coils through the wireless charging modulation circuit. The wireless charging modulation circuit is used to modulate the vehicle-mounted power supply to the applicable power supply of the mobile device. The RGB full-color light display circuit is used to display the charging process of the mobile device. The buzzer sound circuit is used to sound prompt the charging process of the mobile device.
[0009] The utility model discloses a wireless fast charging assembly for vehicle, which has the following beneficial effects:
[0010] Firstly, the transmitting coil of the utility model is a copper coil inside the PCB plate, which can effectively reduce the cost of the wireless fast charging assembly for vehicle.
[0011] Second, the utility model discloses vehicle-mounted wireless fast charging assembly adds RGB full -color lamp display circuit and buzzer sound circuit, and the interesting display of charging process is carried out, and user experience is improved.
[0012] On the basis of the above technical scheme, the following improvements can be made:
[0013] As a preferred scheme, the projections of the two adjacent transmitting coils on the PCB have partially overlapping regions.
[0014] With the above preferred scheme, the overall structure is more compact.
[0015] As a preferred scheme, the two adjacent transmitting coils are respectively arranged on the TOP face of the PCB and the BOT face of the PCB.
[0016] With the above preferred scheme, the structure is reasonable.
[0017] As a preferred scheme, the center transmitting coil and the at least two peripheral transmitting coils distributed around the center transmitting coil are mounted on the PCB, and the center transmitting coil is arranged on the BOT face.
[0018] With the above preferred scheme, the structure is reasonable.
[0019] As a preferred scheme, the RGB full-color lamp display circuit includes red lamp beads, green lamp beads, blue lamp beads, triodes connected in series with each lamp bead, and a plurality of resistors, and the triodes are used to drive the corresponding lamp beads to emit light.
[0020] With the above preferred scheme, the RGB full-color lamp display circuit has a simple structure and low cost.
[0021] As a preferred scheme, the single-chip microcomputer is electrically connected with the triodes of the RGB full-color lamp display circuit, the single-chip microcomputer outputs the duty cycle of the PWM waveform, and adjusts the brightness of the corresponding lamp beads.
[0022] With the above preferred scheme, the brightness and color of the lamp beads are adjusted by the single-chip microcomputer, and the user experience is improved.
[0023] As a preferred scheme, the buzzer sound circuit includes a buzzer, triodes connected in series with the buzzer, and a plurality of resistors, and the triodes drive the buzzer to sound.
[0024] With the above preferred scheme, the buzzer sound circuit has a simple structure and low cost.
[0025] As a preferred scheme, the single-chip microcomputer is electrically connected with the triodes of the buzzer sound circuit, the single-chip microcomputer outputs the duty cycle of the PWM waveform, and adjusts the frequency and volume of the corresponding buzzer sound.
[0026] Adopt the above preferred scheme, adopt single-chip microcomputer to adjust the frequency and volume of the buzzer sound, improve the user experience.
[0027] As a preferred scheme, the circuit component further comprises: a voltage regulation circuit;
[0028] The vehicle-mounted power supply is electrically connected with the transmitting coil through the voltage regulation circuit and the wireless charging modulation circuit in sequence, and the voltage regulation circuit is used for voltage reduction or voltage increase of the vehicle-mounted power supply.
[0029] Adopt the above preferred scheme, adopt the voltage regulation circuit to adjust different vehicle-mounted power supplies to the applicable size of the mobile device.
[0030] As a preferred scheme, a magnetic ring is mounted around any one or more transmitting coils, the magnetic ring is arranged on the PCB, and the magnetic ring is arranged concentrically with the corresponding transmitting coil.
[0031] Adopt the above preferred scheme, can be adsorbed and fixed with the mobile device with magnetic attraction structure. BRIEF DESCRIPTION OF DRAWINGS
[0032] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the premise of the drawings.
[0033] Figure 1 The top view of the PCB provided by the embodiments of the present application.
[0034] Figure 2 The block diagram of the circuit component provided by the embodiments of the present application.
[0035] Figure 3 The circuit diagram of the RGB full-color light display circuit provided by the embodiments of the present application.
[0036] Figure 4 The circuit diagram of the buzzer sound circuit provided by the embodiments of the present application.
[0037] Figure 5 The schematic diagram of the PCB, micro-channel liquid cooling plate and heat-conducting pad provided by the embodiments of the present application.
[0038] Among them: 1-PCB, 21-single-chip microcomputer, 22-wireless charging modulation circuit, 23-transmitting coil, 231-central transmitting coil, 232-peripheral transmitting coil, 24-RGB full-color light display circuit, 25-buzzer sound circuit, 26-voltage regulation circuit, 27-backlight area, 3-micro-channel liquid cooling plate, 4-heat-conducting pad. DETAILED DESCRIPTION
[0039] The preferred embodiments of the present application will be described in detail below with reference to the accompanying drawings.
[0040] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0041] The expression of "including" element is an "open" expression, which only means that the corresponding component or step exists, and should not be interpreted as excluding additional components or steps.
[0042] In order to achieve the purpose of the present application, as shown in some embodiments of the vehicle-mounted wireless fast charging assembly, Figure 1 and 2 The vehicle-mounted wireless fast charging assembly comprises a charging base plate and a PCB board 1 mounted on the charging base plate, and circuit components are mounted on the PCB board 1.
[0043] The circuit components comprise a single-chip microcomputer 21, a wireless charging modulation circuit 22, three transmitting coils 23, an RGB full-color light display circuit 24 and a buzzer sound circuit 25. The plurality of transmitting coils 23 are arranged at different heights on the PCB board 1, and each transmitting coil 23 is a copper coil in the PCB board 1.
[0044] The wireless charging modulation circuit 22, the RGB full-color light display circuit 24 and the buzzer sound circuit 25 are electrically connected with the single-chip microcomputer 21, and the vehicle-mounted power supply (such as 12V) is electrically connected with the transmitting coils 23 through the wireless charging modulation circuit 22. The wireless charging modulation circuit 22 is used for modulating the vehicle-mounted power supply to the applicable power supply of the mobile device. The RGB full-color light display circuit 24 is used for displaying the charging process of the mobile device. The buzzer sound circuit 25 is used for sound prompting the charging process of the mobile device.
[0045] The vehicle-mounted power supply supplies power to the transmitting coils 23. Through an alternating current magnetic field, the built-in coil of the mobile device induces a current in the alternating magnetic field, which is rectified and stabilized to charge the battery.
[0046] The present application discloses a vehicle-mounted wireless fast charging assembly, which has the following beneficial effects:
[0047] Firstly, the transmitting coil 23 of the present application is a copper coil in the PCB board 1 (i.e. using the copper skin of the PCB board 1 itself to prepare), which can effectively reduce the cost of the vehicle-mounted wireless fast charging assembly.
[0048] Second, the utility model discloses vehicle-mounted wireless fast charging assembly adds RGB full-color light display circuit 24 and buzzer sound circuit 25, and the interesting display of charging process is carried out, and user experience is improved.
[0049] In order to further optimize the implementation effect of the utility model, in some other embodiments, the remaining features are technically identical, except that the projections of the two adjacent transmitting coils 23 on the PCB 1 have partially overlapping regions.
[0050] The overall structure is more compact by adopting the preferred scheme.
[0051] In order to further optimize the implementation effect of the utility model, in some other embodiments, the remaining features are technically identical, except that the center transmitting coil 231 close to the center of the PCB and the two peripheral transmitting coils 232 distributed on the periphery of the center transmitting coil 231 are installed, and the center transmitting coil 231 is arranged on the BOT surface, and the two peripheral transmitting coils 232 are arranged on the TOP surface.
[0052] The structure is reasonable by adopting the preferred scheme.
[0053] In order to further optimize the implementation effect of the utility model, in some other embodiments, the remaining features are technically identical, except that, as shown in Figure 3 The RGB full-color light display circuit 24 includes red beads, green beads, blue beads, triodes connected in series with each bead, and a plurality of resistors, and the triodes are used to drive the corresponding beads to emit light.
[0054] The single-chip microcomputer 21 is electrically connected with the triodes of the RGB full-color light display circuit 24, and the single-chip microcomputer 21 outputs the duty cycle of the PWM waveform to adjust the brightness of the corresponding beads.
[0055] The RGB full-color light display circuit 24 has simple structure and low cost by adopting the preferred scheme. The brightness and color of the beads are adjusted by the single-chip microcomputer 21, so that the user experience is improved. It is worth noting that the backlight area 27 is arranged on the charging substrate, and the red beads, green beads and blue beads are displayed in the backlight area 27. The backlight area 27 is on the periphery of the transmitting coil.
[0056] The RGB full-color light display circuit 24 can be used to distinguish the fault types (such as foreign matter detection alarm, over-temperature protection triggering, coil detuning, etc.), so that the user cannot quickly locate the problem source.
[0057] In order to further optimize the implementation effect of the utility model, in some other embodiments, the remaining features are technically identical, except that, as shown in Figure 4As shown, the buzzer sound circuit 25 comprises a buzzer, a triode connected in series with the buzzer, and a plurality of resistors, the triode driving the buzzer sound. The single-chip microcomputer 21 is electrically connected with the triode of the buzzer sound circuit 25, and the single-chip microcomputer 21 outputs a duty ratio of a PWM waveform to adjust the frequency and volume of the corresponding buzzer sound.
[0058] With the preferred scheme, the buzzer sound circuit 25 has a simple structure and low cost. The single-chip microcomputer 21 is used to adjust the frequency and volume of the buzzer sound, thereby improving the user experience.
[0059] In order to further optimize the implementation effect of the utility model, in some other embodiments, the remaining features are the same in technology, and the difference lies in that the circuit component further comprises: a voltage regulating circuit 26;
[0060] The vehicle-mounted power supply is electrically connected with the transmitting coil 23 through the voltage regulating circuit 26 and the wireless charging modulation circuit 22 in sequence, and the voltage regulating circuit 26 is used to step down or step up the vehicle-mounted power supply.
[0061] With the preferred scheme, the voltage regulating circuit 26 is used to adjust different vehicle-mounted power supplies to the applicable size of the mobile device.
[0062] The vehicle-mounted power supply has various power supply forms, and when the vehicle fails, the vehicle-mounted power supply is a backup power supply, and the voltage regulating circuit 26 steps down or steps up the vehicle-mounted power supply.
[0063] Notably, the voltage regulating circuit 26 can also supply power to the RGB full-color light display circuit 24 and the buzzer sound circuit 25 after regulating the vehicle-mounted power supply.
[0064] In order to further optimize the implementation effect of the utility model, in some other embodiments, the remaining features are the same in technology, and the difference lies in that a magnetic ring is installed around any transmitting coil 23, the magnetic ring is arranged on the PCB board 1, and the magnetic ring is arranged concentrically with the corresponding transmitting coil 23.
[0065] With the preferred scheme, the mobile device with a magnetic attraction structure can be adsorbed and fixed.
[0066] In order to further optimize the implementation effect of the utility model, in some other embodiments, the remaining features are the same in technology, and the difference lies in that, as shown, Figure 5 As shown, a micro-channel liquid cooling plate 3 is installed below the PCB board 1, a micro-channel is arranged on the micro-channel liquid cooling plate 3, and cooling liquid flows in the micro-channel. The micro-channel liquid cooling plate 3 is in communication with the vehicle-mounted cooling system.
[0067] Further, it is worth noting that the PCB board 1 is connected with the micro-channel liquid cooling plate 3 through a heat-conducting pad 4, thereby improving the shock resistance and heat dissipation capacity of the PCB board 1.
[0068] Further, the contact area of the heat-conducting pad 4 with the PCB 1 is smaller than the contact area of the heat-conducting pad 4 with the micro-channel liquid cooling plate 3.
[0069] Further, the non-contact surface of the heat-conducting pad 4 is wavy.
[0070] Further, the charging substrate is connected with the vehicle metal frame through the heat-conducting pad, and heat is dissipated with the aid of the vehicle body.
[0071] In the description of the present application, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0072] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connection" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the present application can be understood according to the specific meaning of the above-mentioned terms in the present application by the person skilled in the art according to the specific situation.
[0073] The basic principles and main features of the present application and the advantages of the present application are shown and described above, and those skilled in the art should understand that the present application is not limited by the above-mentioned embodiments, the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application, without departing from the spirit and scope of the present application, the present application can also have various changes and improvements, these changes and improvements all fall within the scope of the claimed present application, the scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A wireless fast charging assembly for vehicle, characterized in that, The application relates to a wireless charging device for mobile devices. The device comprises a charging base plate and a PCB plate installed on the charging base plate, and circuit components are installed on the PCB plate. The circuit components comprise a single-chip microcomputer, a wireless charging modulation circuit, at least three transmitting coils, an RGB full-color light display circuit and a buzzer sound circuit, the transmitting coils are arranged at different heights on the PCB plate, and each transmitting coil is a copper coil in the PCB plate. The wireless charging modulation circuit, the RGB full-color light display circuit and the buzzer sound circuit are electrically connected with the single-chip microcomputer, and a vehicle power supply is electrically connected with the transmitting coils through the wireless charging modulation circuit, the wireless charging modulation circuit is used for modulating the vehicle power supply to a power supply suitable for the mobile device, the RGB full-color light display circuit is used for displaying the charging state of the mobile device, and the buzzer sound circuit is used for sounding to prompt the charging process of the mobile device.
2. The wireless fast charging assembly for vehicle according to claim 1, wherein, The projections of the two adjacent transmitting coils on the PCB plate have partially overlapped areas.
3. The wireless fast charging assembly for vehicle according to claim 1, wherein, The two adjacent transmitting coils are arranged on the TOP face of the PCB plate and the BOT face of the PCB plate respectively.
4. The wireless fast charging assembly for vehicle according to claim 3, wherein, The PCB plate is provided with a central transmitting coil and at least two peripheral transmitting coils distributed around the central transmitting coil, and the central transmitting coil is arranged on the BOT face.
5. The wireless fast charging assembly for vehicle use according to claim 1, characterized by, The RGB full-color light display circuit comprises red lamp beads, green lamp beads, blue lamp beads, triodes connected with the lamp beads respectively and a plurality of resistors, and the triodes are used for driving the corresponding lamp beads to emit light.
6. The wireless fast charging assembly for vehicle use according to claim 5, wherein The single-chip microcomputer is electrically connected with the triodes of the RGB full-color light display circuit, and the single-chip microcomputer outputs the duty ratio of a PWM waveform to adjust the brightness of the corresponding lamp beads.
7. The wireless fast charging assembly for vehicle use according to claim 1, characterized by, The buzzer sound circuit comprises a buzzer, a triode connected with the buzzer and a plurality of resistors, and the triode drives the buzzer to sound.
8. The wireless fast charging assembly for vehicle use according to claim 7, characterized in that, The single-chip microcomputer is electrically connected with the triode of the buzzer sound circuit, and the single-chip microcomputer outputs the duty ratio of a PWM waveform to adjust the frequency and volume of the corresponding buzzer sound.
9. The wireless fast charging assembly for vehicle according to any one of claims 1-8, wherein, The circuit components further comprise a voltage regulation circuit. The vehicle power supply is electrically connected with the transmitting coils through the voltage regulation circuit and the wireless charging modulation circuit in sequence, and the voltage regulation circuit is used for reducing or increasing the voltage of the vehicle power supply.
10. The wireless fast charging assembly for vehicle according to any one of claims 1-8, wherein, A magnetic ring is arranged around each transmitting coil, and the magnetic ring is arranged on the PCB plate and concentric with the corresponding transmitting coil.