Voltage-regulating charging device

The integrated substrate-based charging device addresses manufacturing cost and volume issues by stabilizing lithium battery voltage fluctuations, achieving efficient and durable charging.

JP3251970UActive Publication Date: 2025-07-11EHOMA INDAL CORP
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Patent Information

Application Number
JP2025001452U
Authority / Receiving Office
JP · JP
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2025-05-09
Publication Date
2025-07-11
Estimated Expiration
2035-05-09

AI Technical Summary

Technical Problem

The existing charging devices with multiple circuit modules on different circuit boards increase manufacturing costs and volume, hindering product thinning and integration, and are prone to damage from lithium battery voltage fluctuations.

Method used

A voltage regulating charging device with integrated fast and wireless charging structures formed on a single substrate using surface mounting, featuring first and second control modules with voltage regulating units to stabilize power output.

Benefits of technology

Reduces circuit element size, lowers manufacturing costs, and stabilizes voltage to prevent damage from lithium battery fluctuations, enhancing charging efficiency and durability.

✦ Generated by Eureka AI based on patent content.

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Abstract

Provided is a voltage regulating charging device that can significantly reduce the size of circuit elements, can provide related circuit structures on the same substrate, can reduce the volume of the structure, and can reduce manufacturing costs. 【Solution means】The voltage regulating charging device 100 includes a substrate 10, a rapid charging structure 20, and a wireless charging structure 30. The rapid charging structure 20 and the wireless charging structure 30 are formed on the substrate 10 by a surface mounting method. The rapid charging structure 20 includes a first control module 21 and a rapid charging module 22. The first control module 21 steps down the input power supply and outputs the stepped-down power supply to the rapid charging module 22. The wireless charging structure 30 includes a second control module 31 and a wireless charging module 32. The second control module 31 steps down the input power supply and outputs the stepped-down power supply to the wireless charging module 32. The device to be charged is selectively connected to the rapid charging module 22 or the wireless charging module 32.
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Description

Technical Field

[0001] The present invention relates to a charging device, and particularly to a voltage regulating charging device.

Background Art

[0002] In the prior art, in order to meet the requirements in the manufacturing process, it is common to install a plurality of circuit modules on different circuit boards respectively. However, such a design method not only increases the manufacturing cost, but also enlarges the volume of the charging device, which has an adverse effect on the thinning and integration of the whole product.

[0003] Also, when the charging device is used in a device powered by a lithium battery, since the lithium battery has high voltage characteristics, voltage fluctuations are likely to occur during startup or operation. As a result, the circuits inside the charging device are likely to be damaged, which may affect the stability and durability.

Summary of the Invention

Problems to be Solved by the Invention

[0004] The prior art has the disadvantages that installing a plurality of circuit modules on different circuit boards respectively increases the manufacturing cost, has an adverse effect on the thinning and integration of the whole product, and when the charging device is used in a device powered by a lithium battery, since the lithium battery has high voltage characteristics, the circuits inside the charging device are likely to be damaged, which may affect the stability and durability.

Means for Solving the Problems

[0005] The present invention relates to a voltage regulating charging device that can solve the problems of increased manufacturing cost and excessive overall volume caused by installing a plurality of circuit modules on different circuit boards in the conventional charging device.

[0006] The voltage regulating charging device according to the present invention is connected between a power supply device and a device to be charged. The voltage regulating charging device has a substrate, a fast charging structure, and a wireless charging structure. The fast charging structure is formed on the substrate by a surface mounting method. The fast charging structure has a first control module and a fast charging module connected to each other. The first control module has a first power input unit, a first voltage regulating unit, and a first power output unit connected to each other. The first power input unit receives the input power output from the power supply device and further transmits it. The first voltage regulating unit steps down the input power to a first output power. The first power output unit transmits the first output power. The fast charging module receives the first output power and outputs it to the device to be charged. The wireless charging structure is formed on the substrate by a surface mounting method. The wireless charging structure has a second control module and a wireless charging module connected to each other. The second control module has a second power input unit, a second voltage regulating unit, and a second power output unit connected to each other. The second power input unit receives the input power output from the power supply device and further transmits it. The second voltage regulating unit steps down the input power to a second output power. The second power output unit transmits the second output power. The wireless charging module receives the second output power and outputs it to the device to be charged. The device to be charged is selectively connected to the fast charging module or the wireless charging module.

[0007] Thus, since the fast charging structure and the wireless charging structure of the present invention are formed on the substrate by a surface mounting method, the size of the circuit elements used in each structure can be significantly reduced. The fast charging structure and the wireless charging structure can be installed on the same substrate, reducing the volume of the structure and achieving a reduction in manufacturing cost.

Brief Description of the Drawings

[0008]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Mode for Carrying Out the Invention

[0009] In order to clearly explain the central idea of the present invention described in the above-mentioned invention content, the following will be described using specific embodiments. It should be noted in advance that the various different members shown in the embodiments are illustrated at ratios suitable for explanation and are different from the ratios of actual components.

[0010] As shown in FIGS. 1 to 6, the voltage regulating charging device 100 according to the present invention is connected between the power supply device 200 and the device to be charged 300, and the voltage regulating charging device 100 has a substrate 10, a rapid charging structure 20, and a wireless charging structure 30. The output voltage value of the power supply device 200 is in the range of 10 volts to 100 volts. The device to be charged 300 can be a device equipped with a lithium battery.

[0011] The substrate 10 is used to install the rapid charging structure 20 and the wireless charging structure 30. The substrate 10 is a base material used in the manufacture of printed circuit boards.

[0012] The rapid charging structure 20 is formed on the substrate 10 by the surface mount technology (SMT), and the rapid charging structure 20 has a first control module 21 and a rapid charging module 22 connected to each other. The first control module 21 has a first power input unit 211, a first voltage regulation unit 212, and a first power output unit 213 that are interconnected. The first power input unit 211 receives the input power output from the power supply device 200 and further transmits it. The first voltage regulation unit 212 steps down the input power to be the first output power, and the first power output unit 213 transmits the first output power. The fast charging module 22 receives the first output power and outputs it to the device to be charged 300. The input voltage value of the input power is 10 volts to 100 volts. The output voltage value of the first output power is 5 volts to 15 volts. The output power value of the first output power is 15 watts to 25 watts. The fast charging module 22 can be a Type-C fast charging element.

[0013] The wireless charging structure 30 is formed on the substrate 10 by a surface mounting method. The wireless charging structure 30 has a second control module 31 and a wireless charging module 32 that are interconnected. The second control module 31 has a second power input unit 311, a second voltage regulation unit 312, and a second power output unit 313 that are interconnected. The second power input unit 311 receives the input power output from the power supply device 200 and further transmits it. The second voltage regulation unit 312 steps down the input power to be the second output power, and the second power output unit 313 transmits the second output power. The wireless charging module 32 receives the second output power and outputs the second output power to the device to be charged 300. The input voltage value of the input power is 10 volts to 100 volts. The output voltage value of the second output power is 5 volts to 15 volts. The output power value of the second output power is 15 watts to 25 watts.

[0014] As a result, since the fast charging structure 20 and the wireless charging structure 30 of the present invention are formed on the substrate 10 by a surface mounting method, the present invention can significantly reduce the size of the circuit elements used in each structure. The fast charging structure 20 and the wireless charging structure 30 can be installed on the same substrate 10, reducing the volume of the structure and achieving a reduction in manufacturing cost. Furthermore, the user can selectively connect the device 300 to be charged to the fast charging module 22 or the wireless charging module 32 according to the charging structure of the device 300 to be charged, maximizing the charging efficiency of the device 300 to be charged.

[0015] As shown in FIG. 6 together, in the embodiment according to the present invention, the substrate 10 has an installation surface 11. The installation surface 11 has a fast charging installation area 111, a control installation area 112, and a wireless installation area 113. The fast charging structure 20 is formed in the fast charging installation area 111. The second control module 31 is installed in the control installation area 112. The wireless charging module 32 is installed in the wireless installation area 113. The installation areas of the fast charging installation area 111, the control installation area 112, and the wireless installation area 113 are all smaller than half of the area of the installation surface 11.

[0016] Please refer to FIGS. 3 to 5, which are the actual circuit layouts of the fast charging structure 20 and the wireless charging structure 30 in the embodiment according to the present invention. The circuit layouts disclosed in FIGS. 3 to 5 are only one embodiment of the present invention and are for the purpose of explaining the technical content of the present invention, and do not impose any limitations on the circuit layout of the present invention.

[0017] As shown in FIG. 3 together, in the embodiment according to the present invention, the first power input unit 211 has a positive input terminal Vin+, a negative input terminal Vin-, a fuse F1, a first diode D1, a first capacitor C1, and a first resistor R1. One end of the fuse F1 is connected to the positive input terminal Vin+, and the other end of the fuse F1 is connected to one end of the first diode D1, one end of the first capacitor C1, and one end of the first resistor R1. The other end of the first diode D1 is connected to the negative input terminal Vin-, the other end of the first capacitor C1 is grounded, and the other end of the first resistor R1 is connected to the first voltage regulating unit 212. The fuse F1 provides overcurrent protection to prevent the entire circuit structure of the present invention from being damaged by excessive current.

[0018] As shown in FIG. 3 together, in the embodiment according to the present invention, the first voltage regulating unit 212 includes a voltage regulating element E1, a second resistor R2, a second capacitor C2, a second diode D2, a first inductor L1, a third resistor R3, and a fourth resistor R4. The voltage regulating element E1 has a first voltage regulating terminal E11, a second voltage regulating terminal E12, a third voltage regulating terminal E13, a fourth voltage regulating terminal E14, a fifth voltage regulating terminal E15, a sixth voltage regulating terminal E16, a seventh voltage regulating terminal E17, and an eighth voltage regulating terminal E18. The first voltage regulating terminal E11 and the third voltage regulating terminal E13 are connected to the first power input unit 211, the second voltage regulating terminal E12 is grounded, the fourth voltage regulating terminal E14 is unconnected, the fifth voltage regulating terminal E15 is connected to one end of the fourth resistor R4 and one end of the third resistor R3, the sixth voltage regulating terminal E16 is connected to one end of the second capacitor C2, the seventh voltage regulating terminal E17 is connected to one end of the second resistor R2, one end of the second diode D2, and one end of the first inductor L1, the eighth voltage regulating terminal E18 is connected to the other end of the second resistor R2, the other end of the second capacitor C2 is connected to the other end of the first inductor L1, the other end of the third resistor R3, and the first power output unit 213, the other end of the second diode D2 is grounded, and the other end of the fourth resistor R4 is grounded. The voltage regulating element E1 can be a component with a step-down function such as model numbers MP2451, SY8113, LM2596, TPS5430, MP1496, SY8120, and TPS562208.

[0019] As shown in Figure 3 in combination, in the embodiment according to the present invention, the first power output unit 213 includes a fifth resistor R5, a third capacitor C3, a sixth resistor R6, and a fourth capacitor C4. One end of the fifth resistor R5 is connected to the first voltage regulating unit 212, one end of the third capacitor C3, one end of the sixth resistor R6, and the fast charging module 22. Moreover, the other end of the fifth resistor R5 is connected to the other end of the third capacitor C3 and grounded. The other end of the sixth resistor R6 is connected to one end of the fourth capacitor C4 and the fast charging module 22, and the other end of the fourth capacitor C4 is grounded.

[0020] As shown in Figure 3 in combination, in the embodiment according to the present invention, the fast charging module 22 includes an identification element E2 and a fast charging element E3. The identification element E2 includes a first identification terminal E21, a second identification terminal E22, a third identification terminal E23, a fourth identification terminal E24, a fifth identification terminal E25, and a sixth identification terminal E26. The first identification terminal E21, the fifth identification terminal E25, and the sixth identification terminal E26 are connected to the fast charging element E3. The second identification terminal E22 is not connected. The third identification terminal E23 and the fourth identification terminal E24 are connected to the first voltage regulating unit 212. The identification element E2 can be a component responsible for managing the Type-C power protocol with model numbers such as CH224, FUSB302, TCPM, PDC002, IP2721, etc.

[0021] As shown in Figure 4 in combination, in the embodiment according to the present invention, the second power input unit 311 includes a power input terminal Vin, a fifth capacitor C5, and a seventh resistor R7. One end of the fifth capacitor C5 is connected to the power input terminal Vin, one end of the seventh resistor R7, and the second voltage regulating unit 312. Moreover, the other end of the fifth capacitor C5 is grounded, and the other end of the seventh resistor R7 is connected to the second voltage regulating unit 312.

[0022] As shown in FIG. 4 together, in the embodiment according to the present invention, the second voltage regulating unit 312 includes a step-down element E4, an eighth resistor R8, a sixth capacitor C6, a third diode D3, a second inductor L2, a ninth resistor R9, and a tenth resistor R10. The step-down element E4 has a first step-down terminal E41, a second step-down terminal E42, a third step-down terminal E43, a fourth step-down terminal E44, a fifth step-down terminal E45, a sixth step-down terminal E46, a seventh step-down terminal E47, and an eighth step-down terminal E48. The first step-down terminal E41 and the third step-down terminal E43 are connected to the second power input unit 311, the second step-down terminal E42 is grounded, the fourth step-down terminal E44 is unconnected, the fifth step-down terminal E45 is connected to one end of the ninth resistor R9 and one end of the tenth resistor R10, the sixth step-down terminal E46 is connected to one end of the sixth capacitor C6, the seventh step-down terminal E47 is connected to one end of the eighth resistor R8, one end of the third diode D3, and one end of the second inductor L2, the eighth step-down terminal E48 is connected to the other end of the eighth resistor R8, the other end of the sixth capacitor C6 is connected to the other end of the second inductor L2, the other end of the ninth resistor R9, and the second power output unit 313, the other end of the third diode D3 is grounded, and the other end of the tenth resistor R10 is grounded. The step-down element E4 can be a component having a step-down function with a model number such as MP2451, SY8113, LM2596, TPS5430, MP1496, SY8120, TPS562208, etc.

[0023] As shown in FIG. 4 together, in the embodiment according to the present invention, the second power output unit 313 includes an eleventh resistor R11, a seventh capacitor C7, and a power output terminal Vout. One end of the eleventh resistor R11 is connected to the second voltage regulating unit 312, one end of the seventh capacitor C7, and the power output terminal Vout, and moreover, the other end of the eleventh resistor R11 is connected to the other end of the seventh capacitor C7 and is grounded.

[0024] As shown in FIG. 5 together, in the embodiment according to the present invention, the wireless charging module 32 includes a charging power input unit 321, a charging control unit 322, a charging power output unit 323, and a status monitoring unit 324. The charging power input unit 321 receives the second output power supply and transmits it to the charging control unit 322. The charging control unit 322 transmits the second output power supply and controls the operations of the charging power output unit 323 and the status monitoring unit 324. The charging power output unit 323 outputs the second output power supply to the device to be charged 300 in a wireless output manner. The status monitoring unit 324 monitors the operating statuses of the charging control unit 322 and the charging power output unit 323.

[0025] As shown in FIG. 5 together, in the embodiment according to the present invention, the charging power input unit 321 has an eighth capacitor C8 and a Zener diode ZD. One end of the eighth capacitor C8 is connected to the power output terminal Vout of the second power output unit 313 and one end of the Zener diode ZD, and the other end of the eighth capacitor C8 is grounded. The other end of the Zener diode ZD is grounded.

[0026] As shown in FIG. 5 together, in the embodiment according to the present invention, the charging control unit 322 has a control element E5 and a ninth capacitor C9. The control element E5 has a first control terminal E51, a second control terminal E52, a third control terminal E53, a fourth control terminal E54, a fifth control terminal E55, a sixth control terminal E56, a seventh control terminal E57, an eighth control terminal E58, a ninth control terminal E59, a tenth control terminal E510, an eleventh control terminal E511, a twelfth control terminal E512, a thirteenth control terminal E513, a fourteenth control terminal E514, a fifteenth control terminal E515, and a sixteenth control terminal E516. The first control terminal E51 is connected to the charging power input unit 321. The second control terminal E52, the third control terminal E53, the fourth control terminal E54, the fifth control terminal E55, and the seventh control terminal E57 are all unconnected. The sixth control terminal E56 is connected to one end of the ninth capacitor C9. The eighth control terminal E58 and the ninth control terminal E59 are connected to the state monitoring unit 324. The tenth control terminal E510, the eleventh control terminal E511, the twelfth control terminal E512, the thirteenth control terminal E513, the fourteenth control terminal E514, the fifteenth control terminal E515, and the sixteenth control terminal E516 are connected to the charging power output unit 323. The other end of the ninth capacitor C9 is grounded. The control element E5 can be a component with a wireless charging control function such as model numbers bq500211, bq500511, bq500610, bq500100, MPQ5010, MPQ5030, NU1680, NU1750, P9038, P9242-R, etc.

[0027] As shown in FIG. 5 together, in the embodiment according to the present invention, the charging power output unit 323 has an H-bridge drive circuit 3231, a wireless coil circuit 3232, and a feedback circuit 3233. The H-bridge drive circuit 3231 is connected to the control element E5. The H-bridge drive circuit 3231 controls the overall current direction of the charging power output unit 323. The wireless coil circuit 3232 is connected between the H-bridge drive circuit 3231 and the feedback circuit 3233. The wireless coil circuit 3232 has two coil inductances W1 and W2 connected to each other and a plurality of parallel-connected capacitors. The wireless coil circuit 3232 can output a second output power to the charging target device 300 through magnetic field induction. The feedback circuit 3233 is connected to the wireless coil circuit 3232 and the control element E5. The feedback circuit 3233 monitors the output status of wireless charging, feeds back the aforementioned output status to the control element E5, and the control element E5 makes adjustments based on the aforementioned output status.

[0028] As shown in FIG. 5 together, in the embodiment according to the present invention, the state monitoring unit 324 has two indicator lights LED1, LED2, and a thermistor T1 connected to the control element E5. The indicating lights LED1 and LED2 can indicate the charging state of the entire wireless charging module 32. The thermistor T1 can detect the overall temperature change of the present invention, thereby avoiding overheating of the entire present invention.

[0029] Summarizing the above, the present invention has the following advantages. 1. Since the fast charging structure 20 and the wireless charging structure 30 of the present invention are formed on the substrate 10 by the surface mounting method, the present invention can greatly miniaturize the size of the circuit elements used in each structure. The fast charging structure 20 and the wireless charging structure 30 can be installed on the same substrate 10, reducing the volume of the structure and achieving a reduction in manufacturing cost. 2. The user can selectively connect the device to be charged 300 to the fast charging module 22 or the wireless charging module 32 according to the charging structure of the device to be charged 300, maximizing the charging efficiency of the device to be charged 300. 3. The present invention can support a power input of 10 volts to 100 volts and is applicable to a wide input voltage range of electric motorcycles and electric bicycles, and can supply a stable voltage for charging. In addition, the present invention has excellent resistance and can effectively prevent the instantaneous voltage fluctuation generated by the lithium battery when the electric motorcycle and the electric bicycle start, avoiding voltage damage to the present invention. 4. The first voltage regulating unit 212 and the second voltage regulating unit 312 of the present invention perform adjustments according to the charging voltage applied to the device to be charged 300, and can supply an appropriate power supply voltage with stable output to prevent damage to the device to be charged 300 due to overvoltage or voltage fluctuation.

[0030] The present invention has been described using the optimal embodiment, but those skilled in the art can make various different forms of changes without departing from the spirit and scope of the present invention. The embodiments shown above are only for explaining the present invention and do not limit the scope of the present invention. All various modifications and changes made without contravening the spirit of the present invention shall be included in the patent scope of the present invention.

Description of Symbols

[0031] 100 Voltage Regulating Charging Device, 200 Power Supply Device, 300 Device to be Charged, 10 Substrate, 11 Installation Surface, 111 Fast Charging Installation Area, 112 Control Installation Area, 113 Wireless Installation Area, 20 Fast Charging Structure, 21 First Control Module, 211 First Power Input Unit, 212 First Voltage Regulation Unit, 213 First Power Output Unit, 22 Fast Charging Module, 30 Wireless Charging Structure, 31 Second Control Module, 311 Second Power Input Unit, 312 Second Voltage Regulation Unit, 313 Second Power Output Unit, 32 Wireless Charging Module, 321 Charging Power Input Unit, 322 Charging Control Unit, 323 Charging Power Output Unit, 3231 H-Bridge Drive Circuit, 3232 Wireless Coil Circuit, 3233 Feedback Circuit, 324 State Monitoring Unit, Vin+ Positive Input Terminal, Vin- Negative Input Terminal, Vin Power Input Terminal, Vout Power Output Terminal, ZD Zener Diode, W1 Coil Inductance, W2 Coil Inductance, LED1 Indicator Light, LED2 Indicator Light, T1 Thermistor, F1 Fuse, D1, the first diode, D2, the second diode, D3, the third diode, C1, the first capacitor, C2, the second capacitor, C3, the third capacitor, C4, the fourth capacitor, C5, the fifth capacitor, C6, the sixth capacitor, C7, the seventh capacitor, C8, the eighth capacitor, C9, the ninth capacitor, R1, the first resistor, R2, the second resistor, R3, the third resistor, R4, the fourth resistor, R5, the fifth resistor, R6, the sixth resistor, R7, the seventh resistor, R8, the eighth resistor, R9, the ninth resistor, R10, the tenth resistor, R11, the eleventh resistor, E1, the voltage regulating element, E11, the first voltage regulating terminal, E12, the second voltage regulating terminal, E13, the third voltage regulating terminal, E14, the fourth voltage regulating terminal, E15, the fifth voltage regulating terminal, E16, the sixth voltage regulating terminal, E17, the seventh voltage regulating terminal, E18, the eighth voltage regulating terminal, E2, the identification element, E21, the first identification terminal, E22, the second identification terminal, E23, the third identification terminal, E24, the fourth identification terminal, E25, the fifth identification terminal, E26, the sixth identification terminal, E3, the rapid charging element, E4, the step-down element, E41, the first step-down terminal, E42 Second Step-down Terminal E43 Third Step-down Terminal E44 Fourth Step-down Terminal E45 Fifth Step-down Terminal E46 Sixth Step-down Terminal E47 Seventh Step-down Terminal E48 Eighth Step-down Terminal E5 Control Element E51 First Control Terminal E52 Second Control Terminal E53 Third Control Terminal E54 Fourth Control Terminal E55 Fifth Control Terminal E56 Sixth Control Terminal E57 Seventh Control Terminal E58 Eighth Control Terminal E59 Ninth Control Terminal E510 Tenth Control Terminal E511 Eleventh Control Terminal E512 Twelfth Control Terminal E513 Thirteenth Control Terminal E514 Fourteenth Control Terminal E515 Fifteenth Control Terminal E516 Sixteenth Control Terminal L1 First Inductor L2 Second Inductor

Claims

1. A voltage regulating charging device, which is connected between a power supply device and a device to be charged, wherein the voltage regulating charging device has a substrate, a rapid charging structure, and a wireless charging structure, the rapid charging structure is formed on the substrate by a surface mounting method, the rapid charging structure has a first control module and a rapid charging module connected to each other, the first control module has a first power input unit, a first voltage regulating unit, and a first power output unit connected to each other, the first power input unit receives the input power output from the power supply device and further transmits it, the first voltage regulating unit steps down the input power to obtain a first output power, the first power output unit transmits the first output power, the rapid charging module receives the first output power and outputs it to the device to be charged, the wireless charging structure is formed on the substrate by the surface mounting method, the wireless charging structure has a second control module and a wireless charging module connected to each other, the second control module has a second power input unit, a second voltage regulating unit, and a second power output unit connected to each other, the second power input unit receives the input power output from the power supply device and transmits it, the second voltage regulating unit steps down the input power to obtain a second output power, the second power output unit transmits the second output power, the wireless charging module receives the second output power and outputs the second output power to the device to be charged, wherein the device to be charged is selectively connected to the rapid charging module or the wireless charging module. A voltage regulating charging device.

2. The substrate has an installation surface, the installation surface has a rapid charging installation area, a control installation area, and a wireless installation area, wherein the rapid charging structure is formed in the rapid charging installation area, the second control module is installed in the control installation area, and the wireless charging module is installed in the wireless installation area. The voltage regulating charging device according to Claim 1.

3. wherein the installation areas of the rapid charging installation area, the control installation area, and the wireless installation area are all smaller than half of the area of the installation surface. The voltage regulating charging device according to Claim 2.

4. The first power input unit has a positive input terminal, a negative input terminal, a fuse, a first diode, a first capacitor, and a first resistor. One end of the fuse is connected to the positive input terminal, and the other end of the fuse is connected to one end of the first diode, one end of the first capacitor, and one end of the first resistor. The other end of the first diode is connected to the negative input terminal, the other end of the first capacitor is grounded, and the other end of the first resistor is connected to the first voltage regulating unit. The voltage regulating charging device according to claim 1.

5. The first voltage regulating unit includes a voltage regulating element, a second resistor, a second capacitor, a second diode, a first inductor, a third resistor, and a fourth resistor. The voltage regulating element has a first voltage regulating terminal, a second voltage regulating terminal, a third voltage regulating terminal, a fourth voltage regulating terminal, a fifth voltage regulating terminal, a sixth voltage regulating terminal, a seventh voltage regulating terminal, and an eighth voltage regulating terminal. The first voltage regulating terminal and the third voltage regulating terminal are connected to the first power input unit, the second voltage regulating terminal is grounded, the fourth voltage regulating terminal is unconnected, the fifth voltage regulating terminal is connected to one end of the fourth resistor and one end of the third resistor, the sixth voltage regulating terminal is connected to one end of the second capacitor, the seventh voltage regulating terminal is connected to one end of the second resistor, one end of the second diode, and one end of the first inductor, the eighth voltage regulating terminal is connected to the other end of the second resistor, the other end of the second capacitor is connected to the other end of the first inductor, the other end of the third resistor, and the first power output unit, the other end of the second diode is grounded, and the other end of the fourth resistor is grounded. The voltage regulating charging device according to claim 1.

6. The first power output unit includes a fifth resistor, a third capacitor, a sixth resistor, and a fourth capacitor. One end of the fifth resistor is connected to the first voltage regulating unit, one end of the third capacitor, one end of the sixth resistor, and the fast charging module. The other end of the fifth resistor is connected to the other end of the third capacitor and grounded. The other end of the sixth resistor is connected to one end of the fourth capacitor and the fast charging module. The other end of the fourth capacitor is grounded. The voltage regulating charging device according to claim 1.

7. The fast charging module includes an identification element and a fast charging element. The identification element has a first identification terminal, a second identification terminal, a third identification terminal, a fourth identification terminal, a fifth identification terminal, and a sixth identification terminal. The first identification terminal, the fifth identification terminal, and the sixth identification terminal are connected to the rapid charging element, the second identification terminal is not connected, and the third identification terminal and the fourth identification terminal are connected to the first voltage regulating unit. The voltage regulating charging device according to claim 1.

8. The second power input unit has a power input terminal, a fifth capacitor, and a seventh resistor. One end of the fifth capacitor is connected to the power input terminal, one end of the seventh resistor, and the second voltage regulating unit, the other end of the fifth capacitor is grounded, and the other end of the seventh resistor is connected to the second voltage regulating unit. The voltage regulating charging device according to claim 1.

9. The second voltage regulating unit has a step-down element, an eighth resistor, a sixth capacitor, a third diode, a second inductor, a ninth resistor, and a tenth resistor. The step-down element has a first step-down terminal, a second step-down terminal, a third step-down terminal, a fourth step-down terminal, a fifth step-down terminal, a sixth step-down terminal, a seventh step-down terminal, and an eighth step-down terminal. The first step-down terminal and the third step-down terminal are connected to the second power input unit, the second step-down terminal is grounded, the fourth step-down terminal is not connected, the fifth step-down terminal is connected to one end of the ninth resistor and one end of the tenth resistor, the sixth step-down terminal is connected to one end of the sixth capacitor, the seventh step-down terminal is connected to one end of the eighth resistor, one end of the third diode, and one end of the second inductor, the eighth step-down terminal is connected to the other end of the eighth resistor, the other end of the sixth capacitor is connected to the other end of the second inductor, the other end of the ninth resistor, and the second power output unit, the other end of the third diode is grounded, and the other end of the tenth resistor is grounded. The voltage regulating charging device according to claim 1.

10. The second power output unit has an eleventh resistor, a seventh capacitor, and a power output terminal. One end of the eleventh resistor is connected to the second voltage regulating unit, one end of the seventh capacitor, and the power output terminal, and the other end of the eleventh resistor is connected to the other end of the seventh capacitor and grounded. The voltage regulating charging device according to claim 1.

11. The wireless charging module has a charging power input unit, a charging control unit, a charging power output unit, and a status monitoring unit. The charging power input unit receives the second output power supply and transmits it to the charging control unit. The charging control unit transmits the second output power supply and controls the operations of the charging power output unit and the status monitoring unit. The charging power output unit outputs the second output power supply to the device to be charged in a wireless output mode. The status monitoring unit monitors the operating states of the charging control unit and the charging power output unit. The voltage regulating charging device according to claim 1.