Multifunctional wireless charger

Abstract

The utility model discloses a multifunctional wireless charger, which comprises a disc-shaped wireless charger main body, a circuit board is arranged in the wireless charger main body, and a mobile electronic equipment charging module connected with the circuit board and used for charging mobile electronic equipment is arranged on one side of the wireless charger main body. A watch charging module which is connected with the circuit board and is used for wirelessly charging the watch is arranged on the other surface of the wireless charger main body; according to the utility model, the mobile electronic equipment charging module and the watch charging module are respectively arranged on the two sides of the wireless charger main body, so that the wireless charger can wirelessly charge the mobile electronic equipment and the watch, and the mobile electronic equipment and the watch can be charged by one wireless charger; and the watch charging module and the mobile electronic equipment charging module are independent, and charging voltage and power are different, so that damage to a mobile phone, an earphone, a watch and other mobile electronic equipment is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of wireless charging, in particular to a multifunctional wireless charger. Background Art

[0002] With the progress of technology, "wireless charging" has entered people's lives. Currently, the working mode of most wireless chargers is to use the induced magnetic fluxes generated by both the power supply side (charging stand) and the power receiving side (mobile electronic device) for power transmission. This kind of circuit structure is relatively simple and has a low cost compared with others.

[0003] Currently, existing wireless chargers only simply charge mobile electronic devices such as mobile phones, earphones, or only watches, etc. The adaptability rate is relatively low and cannot meet the requirement of being able to charge both mobile phones and earphones as well as watches and other mobile electronic devices. There are also existing ones that can charge watches and mobile electronic devices simultaneously, but they share a set of charging systems, and the charging voltage cannot be adjusted, which easily damages mobile phones, earphones, watches, and other mobile electronic devices. Content of the Utility Model

[0004] To solve the defects in the prior art that existing wireless chargers only simply charge mobile electronic devices such as mobile phones, earphones, or only watches, etc., with a relatively low adaptability rate and unable to meet the requirement of being able to charge both mobile phones and earphones as well as watches and other mobile electronic devices. There are also existing ones that can charge watches and mobile electronic devices simultaneously, but they share a set of charging systems, and the charging voltage cannot be adjusted, which easily damages mobile phones, earphones, watches, and other mobile electronic devices, the utility model provides a multifunctional wireless charger.

[0005] To solve the above technical problems, the utility model provides the following technical solutions:

[0006] A multifunctional wireless charger of the utility model includes a disk-shaped wireless charger main body. A circuit board is arranged inside the wireless charger main body. It is characterized in that a mobile electronic device charging module connected to the circuit board and used for charging mobile electronic devices is arranged on one side of the wireless charger main body, and a watch charging module connected to the circuit board and used for wirelessly charging watches is arranged on the other side of the wireless charger main body.

[0007] As a preferred technical solution of the utility model, the mobile electronic devices include mobile phones, earphones, and other portable electronic devices.

[0008] As a preferred technical solution of the present utility model, the watch charging module includes a watch main control module, a watch current detection module, a watch bridge driving module, a watch feedback circuit module, a watch coil and a first diode. The watch main control module is connected to the watch coil via the watch bridge driving module, and a first filter / resonant capacitor circuit is provided between the watch bridge driving module and the watch coil. The watch current detection module is used to detect the watch bridge driving module and transmit the detection result to the watch main control module. The input end of the watch feedback circuit module is connected to the cathode of the first diode, and the anode of the first diode is connected to the watch coil.

[0009] As a preferred technical solution of the present utility model, the watch charging module further includes a watch NTC sensor module connected to the watch main control module.

[0010] As a preferred technical solution of the present utility model, the mobile electronic device charging module includes a mobile electronic device main control module, a mobile electronic device current detection module, a mobile electronic device bridge driving module, a mobile electronic device feedback circuit module and a mobile electronic device coil. The mobile electronic device main control module is connected to the mobile electronic device coil via the mobile electronic device bridge driving module, and a second filter / resonant capacitor circuit is provided between the mobile electronic device bridge driving module and the mobile electronic device coil. The mobile electronic device current detection module is used to detect the mobile electronic device bridge driving module and transmit the detection result to the mobile electronic device main control module. The input end of the mobile electronic device feedback circuit module is connected to the cathode of the second diode, and the anode of the second diode is connected to the mobile electronic device coil.

[0011] As a preferred technical solution of the present utility model, the mobile electronic device charging module further includes a mobile electronic device NTC sensor module connected to the mobile electronic device main control module.

[0012] As a preferred technical solution of the present utility model, a main control power supply module connected to the mobile electronic device main control module is provided on the circuit board, and the main control power supply module supplies power to the watch main control module via a DC buck module.

[0013] As a preferred technical solution of the present utility model, transparent face covers are provided on both sides of the wireless charging main body, and ring-shaped dazzling lights are provided on the inner side of each transparent face cover of the wireless charging main body.

[0014] As a preferred technical solution of the present utility model, a reserved hole is provided inside the circuit board, and the watch coil is installed in the reserved hole via a positioning bracket.

[0015] As a preferred technical solution of the present utility model, the coil of the mobile electronic device is installed on one side of the circuit board through a coil fixing frame.

[0016] The beneficial effects of the present utility model are as follows:

[0017] 1. The mobile electronic device charging modules and the watch charging module are respectively arranged on both sides of the wireless charging main body of this multifunctional wireless charger, enabling the present utility model to wirelessly charge mobile electronic devices such as mobile phones and earphones as well as watches. Thus, a single wireless charger can meet the charging needs of mobile electronic devices and watches. Moreover, the watch charging module and the mobile electronic device charging modules for charging mobile phones, earphones, and other mobile electronic devices are independent, with different charging voltages and powers, which will not cause damage to mobile phones, earphones, watches, and other mobile electronic devices.

[0018] 2. This multifunctional wireless charger is provided with specific watch charging modules and mobile electronic device charging modules. Their working principles are the same. The main control module gives signals to the bridge drive module through the IO port. According to different powers, the main control module will automatically adjust the half-bridge output drive or the full-bridge output drive. The output of the bridge drive is coupled to the coil through the filter / resonant capacitor circuit. The coil generates electromagnetic induction to charge receiving devices such as mobile electronic devices and watches. The electromagnetic signal generated by the coil is demodulated by the feedback circuit module after being detected by the diode and then sent to the main control module to obtain the output power and status of the coil, and the output power of the coil is detected and adjusted in real time. The main control module has a built-in temperature detection function, and the circuit is externally equipped with an NTC temperature sensor module to detect the working temperature in real time. When the temperature exceeds the set threshold, the main control module will immediately reduce the output power to ensure the safety and stability of the operation of the entire product. Description of the Drawings

[0019] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, but do not constitute a limitation to the present utility model. In the drawings:

[0020] Figure 1 is the system block diagram of a multifunctional wireless charger of the present utility model;

[0021] Figure 2 is the structural schematic diagram of a multifunctional wireless charger of the present utility model;

[0022] Figure 3 is the structural schematic diagram of the mobile electronic device coil of a multifunctional wireless charger of the present utility model;

[0023] Figure 4 is the installation schematic diagram of the watch coil of a multifunctional wireless charger of the present utility model;

[0024] Figure 5 It is a schematic structural diagram of the circuit board of a multifunctional wireless charger of the present utility model.

[0025] In the figure: 1. Wireless charger main body; 2. Circuit board; 3. Mobile electronic device charging module; 301. Mobile electronic device main control module; 302. Mobile electronic device current detection module; 303. Mobile electronic device bridge drive module; 304. Mobile electronic device feedback circuit module; 305. Mobile electronic device coil; 306. Filter / resonant second capacitor circuit; 307. Second diode; 308. Mobile electronic device NTC sensor module; 4. Watch charging module; 401. Watch main control module; 402. Watch current detection module; 403. Watch bridge drive module; 404. Watch feedback circuit module; 405. Watch coil; 406. First filter / resonant capacitor circuit; 407. First diode; 408. Watch NTC sensor module; 5. Face cover; 6. Glowing lamp; 7. Reserved hole; 8. Coil retainer; 9. Main control power supply module; 10. DC buck module; 11. Locating frame. Specific embodiments

[0026] The following is a description of the preferred embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustrating and explaining the present utility model, and are not intended to limit the present utility model.

[0027] Embodiment: As Figures 1-5 shown, a multifunctional wireless charger of the present utility model includes a disk-shaped wireless charger main body 1. A circuit board 2 is provided inside the wireless charger main body 1. It is characterized in that a mobile electronic device charging module 3 connected to the circuit board 2 and used for charging a mobile electronic device is provided on one side of the wireless charger main body 1, and a watch charging module 4 connected to the circuit board 2 and used for wirelessly charging a watch is provided on the other side of the wireless charger main body 1. The mobile electronic devices include mobile phones, earphones, and other portable electronic devices. The mobile electronic device charging module 3 and the watch charging module 4 are respectively arranged on both sides of the wireless charger main body 1, so that the present utility model can wirelessly charge mobile electronic devices such as mobile phones and earphones and watches. In this way, a single wireless charger can meet the charging requirements of mobile electronic devices and watches. Moreover, the watch charging module 4 and the mobile electronic device charging module 3 for charging mobile electronic devices such as mobile phones, earphones, and other mobile electronic devices are independent, and the charging voltages and powers are different, so that it will not cause damage to mobile phones, earphones, watches, and other mobile electronic devices.

[0028] The watch charging module 4 includes a watch main control module 401, a watch current detection module 402, a watch bridge drive module 403, a watch feedback circuit module 404, a watch coil 405, and a first diode 407. The watch main control module 401 is connected to the watch coil 405 via the watch bridge drive module 403. A filter / resonant first capacitor circuit 406 is provided between the watch bridge drive module 403 and the watch coil 405. The watch current detection module 402 is used to detect the watch bridge drive module 403 and transmit the detection result to the watch main control module 401. The input end of the watch feedback circuit module 404 is connected to the cathode of the first diode 407, and the anode of the first diode is connected to the watch coil 405. The watch charging module 4 further includes a watch NTC sensor module 408 connected to the watch main control module 401. The mobile electronic device charging module 3 includes a mobile electronic device main control module 301, a mobile electronic device current detection module 302, a mobile electronic device bridge drive module 303, a mobile electronic device feedback circuit module 304, and a mobile electronic device coil 305. The mobile electronic device main control module 301 is connected to the mobile electronic device coil 305 via the mobile electronic device bridge drive module 303. A filter / resonant second capacitor circuit 306 is provided between the mobile electronic device bridge drive module 303 and the mobile electronic device coil 305. The mobile electronic device current detection module 302 is used to detect the mobile electronic device bridge drive module 303 and transmit the detection result to the mobile electronic device main control module 301. The input end of the mobile electronic device feedback circuit module 304 is connected to the cathode of the second diode 307, and the anode of the second diode is connected to the mobile electronic device coil 305. A main control power supply module 9 connected to the mobile electronic device main control module 301 is provided on the circuit board 2. The main control power supply module 9 supplies power to the watch main control module 401 via a DC buck module 10. By setting specific watch charging module 4 and mobile electronic device charging module 3, with the same working principle for both, the main control module gives signals to the bridge drive module through the IO port. According to different powers, the main control module will automatically adjust the half-bridge output drive or full-bridge output drive. The bridge drive output is coupled to the coil through the filter / resonant capacitor circuit. The coil generates electromagnetic induction to charge receiving devices such as mobile electronic devices and watches. The electromagnetic signal generated by the coil is demodulated by the feedback circuit module after being detected by the diode and then sent to the main control module to obtain the coil output power and status, and the coil output power is detected and adjusted in real time. The main control module has a built-in temperature detection function, and an NTC temperature sensor module is externally connected to the circuit to detect the working temperature in real time. When the temperature exceeds the set threshold, the main control module will immediately reduce the output power to ensure the safety and stability of the entire product operation.

[0029] Among them, the wireless charging receiving devices have different powers and different charging parameters; the present utility model can output multiple coils simultaneously, and output corresponding charging methods. The maximum charging power for a mobile phone is 15W; for earphones and mobile portable devices, it is 5W; for a watch, it is 2.5W. Moreover, according to different watches, the parameters of the magnetic induction coils for charging and the magnetic attraction polarities are different. The present utility model can automatically identify and automatically switch the magnetic attraction polarities to ensure smooth charging.

[0030] A main control power supply module 9 connected to the main control module 301 of the mobile electronic device is provided on the circuit board 2. The main control power supply module 9 supplies power to the watch main control module 401 through a DC buck module 10; a charging female socket is welded on the circuit board 2.

[0031] Both sides of the wireless charging main body 1 are provided with transparent face covers 5, and a ring-shaped dazzling light 6 is provided on the inner side of each transparent face cover 5 of the wireless charging main body 1, so that there will be long dazzling lights during the charging process.

[0032] A reserved hole 7 is provided inside the circuit board 2, and the watch coil 405 is installed in the reserved hole 7 through a positioning frame 11, which is convenient for the installation of internal components. A magnetic attraction block is also provided inside the wireless charging main body for magnetically fixing the mobile electronic device and the watch, which is not marked in the figure and is a common device in existing wireless chargers.

[0033] The mobile electronic device coil 305 is installed on one side of the circuit board 2 through a coil fixing frame 8.

[0034] On both sides of the wireless charging main body 1, a mobile electronic device charging module 3 and a watch charging module 4 are respectively provided, so that the present utility model can wirelessly charge the mobile electronic device and the watch. In this way, one wireless charger can meet the charging requirements of the mobile electronic device and the watch. Moreover, the watch charging module 4 and the mobile electronic device charging module 3 are independent, and the charging voltages and powers are different, so that it will not cause damage to the mobile electronic device or the watch. By setting specific watch charging module 4 and mobile electronic device charging module 5, since their working principles are the same, they will be described together. The main control module gives signals to the bridge drive module through the IO port. According to different powers, the main control module will automatically adjust the half-bridge output drive or the full-bridge output drive. The bridge drive output is coupled to the coil through a filter / resonant capacitor circuit. The coil generates electromagnetic induction to charge receiving devices such as mobile electronic devices and watches; the electromagnetic signal generated by the coil is detected by a diode and then sent to the main control module through a feedback circuit module for demodulation to obtain the coil output power and status, and the coil output power is detected and adjusted in real time; the main control module has a built-in temperature detection function, and an NTC temperature sensor module is externally connected to the circuit to detect the working temperature in real time. When the temperature exceeds the set threshold, the main control module will immediately reduce the output power to ensure the safety and stability of the operation of the entire product.

[0035] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A multifunctional wireless charger, comprising a disc-shaped wireless charger main body (1), and a circuit board (2) is arranged inside the wireless charger main body (1), characterized in that, One side of the wireless charging main body (1) is provided with a mobile electronic device charging module (3) connected to the circuit board (2) and used for charging the mobile electronic device, and the other side of the wireless charging main body (1) is provided with a watch charging module (4) connected to the circuit board (2) and used for wirelessly charging the watch.

2. The multifunctional wireless charger according to claim 1, characterized in that, The mobile electronic devices include mobile phones, earphones, and portable electronic devices.

3. The multifunctional wireless charger according to claim 1, wherein, The watch charging module (4) includes a watch main control module (401), a watch current detection module (402), a watch bridge drive module (403), a watch feedback circuit module (404), a watch coil (405), and a first diode (407). The watch main control module (401) is connected to the watch coil (405) through the watch bridge drive module (403). A filter / resonant first capacitor circuit (406) is provided between the watch bridge drive module (403) and the watch coil (405). The watch current detection module (402) is used to detect the watch bridge drive module (403) and transmit the detection result to the watch main control module (401). The input end of the watch feedback circuit module (404) is connected to the cathode of the first diode (407), and the anode of the first diode is connected to the watch coil (405).

4. The multifunctional wireless charger according to claim 3, wherein The watch charging module (4) further includes a watch NTC sensor module (408) connected to the watch main control module (401).

5. A multifunctional wireless charger according to claim 1, characterized in that, The mobile electronic device charging module (3) includes a mobile electronic device main control module (301), a mobile electronic device current detection module (302), a mobile electronic device bridge drive module (303), a mobile electronic device feedback circuit module (304), and a mobile electronic device coil (305). The mobile electronic device main control module (301) is connected to the mobile electronic device coil (305) through the mobile electronic device bridge drive module (303). A filter / resonant second capacitor circuit (306) is provided between the mobile electronic device bridge drive module (303) and the mobile electronic device coil (305). The mobile electronic device current detection module (302) is used to detect the mobile electronic device bridge drive module (303) and transmit the detection result to the mobile electronic device main control module (301). The input end of the mobile electronic device feedback circuit module (304) is connected to the cathode of the second diode (307), and the anode of the second diode is connected to the mobile electronic device coil (305).

6. The multifunctional wireless charger according to claim 5, characterized in that, The mobile electronic device charging module (3) further includes a mobile electronic device NTC sensor module (308) connected to the mobile electronic device main control module (301).

7. A multifunctional wireless charger according to claim 5, characterized in that, A main control power supply module (9) connected to the mobile electronic device main control module (301) is provided on the circuit board (2). The main control power supply module (9) supplies power to the watch main control module (401) through a DC buck module (10).

8. A multifunctional wireless charger according to claim 1, characterized in that, Both sides of the wireless charging main body (1) are provided with transparent face covers (5), and the wireless charging main body (1) is provided with a ring-shaped dazzling light (6) on the inner side of each transparent face cover (5).

9. The multifunctional wireless charger according to claim 3, wherein A reserved hole (7) is provided inside the circuit board (2), and the watch coil (405) is installed in the reserved hole (7) through a positioning bracket (11).

10. A multifunctional wireless charger according to claim 4, characterized in that, The mobile electronic device coil (305) is installed on one side of the circuit board (2) through a coil fixing bracket (8).

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