TWM495033U - Action pattern charger - Google Patents

Description

Mobile charger

This creation is about a mobile charger, especially one that can be used in Alternating Current Converter to Direct Current (AC-DC) and Direct Current Converter to Direct Current (DC-DC). Mobile charger for storage or output.

The era of today's booming electronic technology and the Internet's far-reaching world make various digital products full of life, including but not limited to digital cameras, mobile phones, multimedia players, and so on. Electronic devices; among them, especially in the field of hand-held electronic devices (including but not limited to mobile phones and the like), the design concept of being light, short, smart, diversified and multifunctional is rapidly progressing.

Furthermore, it is easier to carry and operate the handheld electronic device than ever before. In contrast, the advantages and disadvantages of the power storage and the convenience of the charging method are urgently required to face the challenge; When the power consumption of the electronic device is exhausted, the conventional methods include, but are not limited to, replacing the new battery or using the portable mobile power device, etc., to further maintain the power consumption of the handheld electronic device. Above a certain level, the handheld electronic device is not used because of insufficient power consumption.

However, although the above-mentioned device or method can be continuously used by the handheld electronic device, the specifications of the handheld electronic device and the auxiliary power storage device that are introduced by various manufacturers on the market are different, and more manufacturers are available. Built-in battery in the handheld electronic device can not be used If the user or the consumer wants to charge the handheld electronic device and its auxiliary power storage device, it must be wired or charged with the charging stand with the external wiring material. The adapter type power cord, charging dock or USB power cord is coupled to a third-party electronic device (including but not limited to a computer, etc.) for charging.

In summary, the charging method must be limited to indoor use. If the user or the consumer is outdoors for a long time, the handheld electronic device and its auxiliary power storage device will be limited by the current terrain and environmental factors. Smooth charging, which is why there is a need for improvement.

In view of the above-mentioned shortcomings, the purpose of the present invention is to provide an alternating current converter to direct current (AC-DC) and a direct current converter to direct current (DC-DC). A mobile charger that can be selectively stored or exported.

In order to achieve the above object, a mobile charger includes an external power supply assembly, an energy storage device, a power control assembly, and a charging interface device; wherein the external power supply assembly The first power supply unit and the second power supply unit are provided, and the first power supply unit is resistant to an alternating current (AC) power supply level signal and is converted and rectified by an alternating current conversion DC module. DC) after the power level signal is outputted to the power control assembly by a control system, and the second power supply unit is tolerant to at least one set of DC power supply level signals and output to the power control assembly; The power control assembly includes a DC power smart unit, a first power conditioning module, and a second power conditioning module, and the DC power smart unit is provided with a first microprocessor to identify the two After the DC power supply level signal output by the power supply unit is matched, the first power adjustment module and the charging interface device are respectively matched, wherein, The signal level of the DC power charging interface device signal level of the DC power supply line for supplying at least one load device for charging DC power, and the first power adjustment to the matching module is adjusted based The utility model is further coupled to the energy storage device for performing the utility of the DC power storage; wherein the second power adjustment module is coupled to the output end of the energy storage device and adjusts the DC output of the energy storage device The power level signal is coupled to the charging interface device for supplying the at least one load device for charging the DC power source.

In summary, the function and feature of a mobile charger of the present invention is that two power supply units provided by the external power supply assembly of the mobile charger are matched with the power supply of the mobile charger. The DC power supply smart unit provided by the control assembly and the DC power supply level signals of the two output power regulating modules respectively enable the energy storage device of the mobile charger to withstand the DC power storage The utility model also enables the load device coupled to the charging interface device of the mobile charger to perform the charging effect; thereby, to achieve the intended effect and purpose of the present invention.

Preferably, the arbitration trigger signal generated by a signal arbitration control device of the power control assembly of the preferred embodiment of the present invention is used to control the load device of the charging interface device and to make the selected tolerance The DC power supply level signal outputted by the two power supply units or the DC power supply level signal generated by the energy storage device can be supplied and charged, thereby enabling the user to view the current terrain and environment. Factors to choose the way of energy storage or any supply charging.

The structural features of the mobile charger provided in this creation, the way of assembling and coupling, and the use efficiency thereof will be described in detail in the following embodiments, and will not be described again here; however, in the field of creation Those having ordinary knowledge should be able to clearly understand that the detailed descriptions and the examples listed in this creation are only used to explain the structural features, assembly methods and their efficacy of the creation, and are not intended to limit the patent application of this creation. range.

1‧‧‧Mobile charger

2‧‧‧ body

204‧‧‧上盖

206‧‧‧Base

3‧‧‧Circuit substrate carrier

4‧‧‧External power supply assembly

5‧‧‧ energy storage device

6‧‧‧Circuit control assembly

7‧‧‧Charging interface device

10‧‧‧First power supply unit

11‧‧‧AC conversion DC module

112‧‧‧Filter circuit

114‧‧‧Rectifier circuit

13‧‧‧Control system

20‧‧‧Second power supply unit

21‧‧‧DC Module

212‧‧‧USB DC power supply

214‧‧‧ Adapter

23‧‧‧Mechanical energy conversion DC module

232‧‧‧Mechanical energy conversion wafer

234‧‧‧Second type DC signal

25‧‧‧Solar source conversion DC module

252‧‧‧Solar conversion electric energy sensing device

254‧‧‧Type 3 DC Signal

27‧‧‧Wireless power charging receiver module

272‧‧‧Wireless power sensor

274‧‧‧Type 4 DC Signal

276‧‧‧Detection device

30‧‧‧DC Power Smart Unit

31‧‧‧Power protection device

40‧‧‧First power conditioning module

41‧‧‧Power buck-boost adjustment circuit

61‧‧‧ Signal arbitration control device

71‧‧‧USB transmission埠

73‧‧‧Wireless power transmission埠

732‧‧‧ input

734‧‧‧ drive

736‧‧‧Power sensor

75‧‧‧Loading device

77‧‧‧ display

80‧‧‧Second power adjustment module

81‧‧‧Power buck-boost adjustment circuit

L ₁ , L ₂ ‧‧‧ induction coil

NTC ₁ ‧‧‧Thermistor

N ₁₀₂ , N ₂₀₂ ‧‧‧ output

N ₃₀₂ , N ₄₀₂ ‧‧‧ output

N ₅₀₂ , N ₆₀₂ ‧‧‧ output

N ₇₀₂ ‧‧‧ input

N ₈₀₂ ‧‧‧ output

Q ₁ ‧‧‧Optoelectronics

S ₁ ‧‧‧Solar Receiver

T ₁ ‧‧‧Transformer

T ₁₁ ‧‧‧First winding

T ₂₁ ‧‧‧second winding

T ₃₁ ‧‧‧third winding

U ₀ ‧‧‧Power signal micro-processing device

U ₁ ‧‧‧First Microprocessor

U ₂ ‧‧‧Second micro-processing unit

U ₃ ‧‧‧ third microprocessor unit

Figure 1 is a perspective view showing the structure of a preferred embodiment of the present invention.

Figure 2 is a schematic exploded view of the preferred embodiment of the present invention.

Figure 3 is a block diagram of the structure and circuit module block of the preferred embodiment of the present invention.

Figure 4 is a schematic diagram of a first circuit module of the preferred embodiment of the present invention.

Figure 5 is a schematic diagram of a second circuit module of the preferred embodiment of the present invention.

Figure 6 is a schematic diagram of a third circuit module of the preferred embodiment of the present invention.

Figure 7 is a schematic diagram of a fourth circuit module of the preferred embodiment of the present invention.

Figure 8 is a schematic diagram of a fifth circuit module of the preferred embodiment of the present invention.

Figure 9 is a schematic diagram of a sixth circuit module of the preferred embodiment of the present invention.

Figure 10 is a schematic diagram of a seventh circuit module of the preferred embodiment of the present invention.

Figure 11 is a schematic diagram of an eighth circuit module of the preferred embodiment of the present invention.

Figure 12 is a schematic diagram of a ninth circuit module of the preferred embodiment of the present invention.

In the following, the structural device of the present invention and its features will be described in detail by way of the accompanying embodiments in conjunction with the accompanying drawings. First, in the embodiments and drawings which are described below, the same reference numerals are used to indicate The same or similar objects or structural features thereof.

Please refer to FIG. 1 and FIG. 2, which is a mobile charger 1 provided by the preferred embodiment of the present invention, which includes:

A body 2, wherein the body 2 is formed by an upper cover 204 being disposed on a base 206, and the body 2 is provided with a circuit substrate carrier 3 for coupling and communicating with an external power supply. The assembly 4, an energy storage device 5, a power control assembly 6 and a charging interface device 7.

The mobile power supply assembly 4 of the mobile charger 1 includes a first power supply unit 10 and a second power supply unit 20.

The power control assembly 6 of the mobile charger 1 includes a DC power smart unit 30, a first power conditioning module 40, and a second power conditioning module 80.

Please refer to FIG. 4 again, wherein the first power supply unit 10 is resistant to an alternating current (AC) power level signal, and the range of the alternating current power source that the first power supply unit 10 is tolerated. The first winding of the transformer circuit T ₁ is coupled to a filter circuit 112 of the rectifier circuit 114 and coupled to a first winding of a transformer T ₁ . The T _{11 is} coupled to the direct current (DC) power supply level signal of the second winding T ₂₁ , and then outputted by an output terminal N ₁₀₂ . The first power supply unit 10 further includes a control system 13 . And coupled to the first winding T ₁₁ and the third winding T _{31 of} the transformer T ₁ respectively, and the control system 13 basically cooperates with a transistor Q ₁ and a heat by a power signal micro processing device U _{0 .} The protection circuit of the varistor NTC ₁ is used for sensing the power level of the overloading device after being sensed by the power source calibration function of the power signal micro-processing device U _{0 of} the control system 13 The power signal micro processing device U ₀ After detecting the circuit temperature proof function of the thermistor NTC _1, a feedback signal to the power signal processing unit U _{0 of} the control system 13 is fed back. In the preferred embodiment of the present invention, the control system 13 of the NTC thermistor ₁ tolerated if the temperature is too higher than 120 ℃, will result in the NTC thermistor of the resistance becomes smaller and at the same time _a feedback correction signal to the power supply to the control system 13 of The signal micro-processing device U ₀ causes the power signal micro-processing device U _{0 to} immediately receive the proofreading signal and after the identification is compared, immediately stops the power conversion and transmission operation dynamics, thereby achieving the protection effect; The first power supply unit 10 is an active switching power supply unit.

Please refer to FIG. 5 to FIG. 7 again, wherein the second power supply unit 20 is resistant to at least a direct current (DC) power supply level signal, and the second power supply unit 20 is resistant. The DC power supply range is between 0V and 100V. In the preferred embodiment of the present invention, the second power supply unit 20 can basically withstand four different sets of DC power supply level signals, and includes a DC power module 21 and a mechanical energy conversion DC power module 23, A solar source conversion DC module 25 and a wireless power charging receiving module 27. The DC module 21 can withstand a DC power supply of a USB-type DC power supply 212 or an adapter device 214, and is converted into a first-type DC power signal by the DC power module 21 (pattern) After being unlabeled, it is coupled to an output terminal N ₂₀₂ provided by the second power supply unit 20. The mechanical power conversion DC module 23 is coupled to the output end of the second power supply unit 20 via a mechanical energy conversion chip 232 to convert the signal generated by the mechanical energy into a second type DC signal 234. ₂₀₂ , and the mechanical energy conversion DC module 23 can receive a hand crank power generation operation. The solar energy conversion power module 25 is provided with a solar energy conversion device 252, and the solar energy sensor S ₁ receives the solar radiation signal from the outside, and then converts the solar energy into the solar energy conversion device 252. After being formed into a third type DC signal 254, it is coupled to the output terminal N _{202 of} the second power supply unit 20. Wherein, the wireless power charging system is provided with a receiving module 27 sensing a wireless power supply apparatus 272, and the signal received by the inductive coupling L outside an induction coil _1, and then converted into a fourth type of the wireless power supply through an inductive coupling of the sensing device 272 The DC signal 274 is connected to the output terminal N _{202 of} the second power supply unit 20 and a detecting device 276, wherein the detecting device 276 receives the fourth type DC signal 274 sensed from the wireless power sensing device 272. It is used to unload the DC power supply level of overloading. In the preferred embodiment of the present invention, the second power supply unit 20 is a standby switching power supply unit.

Please refer to FIG. 8 again, wherein the input ends of the DC power smart unit 30 are respectively coupled to the output terminal N _{102 of} the first power supply unit 10 and the output terminal N of the second power supply unit 20 _202. The DC power smart unit 30 is basically provided with a first micro processing device U ₁ and a power protection device 31, and the DC power supply of the first micro processing device U ₁ distinguishes the selected function, respectively An alternating current converted direct current (AC-DC) power supply level signal of the output terminal N ₁₀₂ of the first power supply unit 10, and a plurality of sets of direct current converted direct current (DC-DC) from the output end N ₂₀₂ of the second power supply unit 20 After the power supply level signal, the DC power supply level signal of the output terminals N ₁₀₂ and N ₂₀₂ of any of the power supply units 10, 20 is coupled to an output terminal N _{302 of} the DC power supply intelligent unit 30; The power protection device 31 is also coupled to the output terminal N ₂₀₂ of the second power supply unit 20 for controlling the DC power level signal from the output terminal N ₂₀₂ of the second power supply unit 20, Again Source overload guard 31 (Overloading) to divert power to the signal ground level imposed interest for protection; wherein the DC power input terminal 30 of the smart unit while being well tolerated if these two power supply unit from the output terminal 10 and 20 of the N ₁₀₂ , N ₂₀₂ DC power supply level signal, after the function of the DC power supply discrimination selection function of the first micro processing device U ₁ of the DC power supply intelligent unit 30 is arbitrated, and the output of the first power supply unit 10 is preferentially switched. The terminal N _{102 is connected} to the DC power supply level signal outputted by the output terminal N ₃₀₂ of the DC power supply intelligent unit 30.

Please refer to FIG. 9 again, wherein the first power adjustment module 40 includes a boost/buck system, and the input end of the first power adjustment module 40 is coupled. The output terminal N _{302 of} the DC power intelligent unit 30 is coupled to the DC power supply level signal and is recognized by the power supply calibration function of the power signal processing unit U _{0 of} the control system 13 The DC power supply level adjustment is performed in the power supply and voltage regulation circuit 41, and finally coupled to an output terminal N _{402 of} the first power supply adjustment module 40. In the preferred embodiment of the present invention, The DC power supply level signal adjusted by the power conditioning module 40 and outputted through the output terminal N ₄₀₂ is between 0.1V and 100V.

According to the above description, the input end of the energy storage device 5 is coupled to an output terminal N _{402 of} the first power conditioning module 40 for performing DC power storage; In an embodiment, the energy storage device 5 is a lithium battery, a nickel cadmium battery or a nickel hydrogen battery with a chargeable and dischargeable effect, and the energy storage device 5 is adjusted by the power supply voltage of the first power adjustment module 40. The circuit 41 has a function of automatically recognizing the amount of charge to assist in the feedback of the boosted or stepped DC power source outputted from the output terminal N ₄₀₂ of the first power conditioning module 40. The bit signal is used to protect the energy storage device 5 after a predetermined unit time of storage energy saturation to reduce the probability of occurrence of an overload phenomenon, and further extend the service life of the energy storage device 5; wherein the energy storage device 5 is An output terminal N _{502 is} provided for outputting the DC power source from the energy storage device 5.

Please refer to FIG. 10 again, wherein the second power adjustment module 80 includes a signal arbitration control device 61 and a boost/buck system 81, and the signal arbitration control device 61 inputs. The end of the system is coupled to the output terminal N _{302 of} the DC power smart unit 30 and the output terminal N _{502 of} the energy storage device 5, and the signal arbitration control device 61 is configured to generate an arbitration trigger signal (not shown) Is enabled, so that an output terminal N ₆₀₂ provided by the signal arbitration control device 61 is preferentially switched and coupled to the output terminal N _{502 of} the energy storage device 5, and vice versa, if the signal arbitration control device 61 is no longer subject to After the arbitrage triggering signal is activated, the output terminal N _{602 of} the signal arbitration control device 61 is switched and coupled to the output terminal N _{302 of} the DC power smart unit 30. The signal arbitration control device 61 can be an electronic switch or a mechanical switch. The input end of the second power conditioning module 80 is coupled to the output terminal N _{602 of} the signal arbitration control device 61, and is calibrated by the DC power supply level adjustment of the power supply voltage boosting and regulating circuit 81, and then coupled. An output terminal N _{802 is} provided to the second power conditioning module 80. In the preferred embodiment of the present invention, the second power conditioning module 80 is adjusted and outputted through the output terminal N ₈₀₂ . The DC power supply level signal is between 0.1V and 100V.

Please refer to FIG. 2, FIG. 11 and FIG. 12 together, wherein an input terminal N _{702 of} the charging interface device 7 is coupled to each of the two power regulating modules 40 and 80 respectively. The output terminals N ₄₀₂ , N ₈₀₂ , and the charging interface device 7 is basically provided with a second micro processing device U _{2 for} detecting the respective output terminals N ₄₀₂ , N _{802 of the} two power supply regulating modules 40 , 80 . After the output of the DC power supply level signal, the matching is coupled to at least one USB (Universal Serial Bus) transmission port 71 and at least one Wireless Charging transmission port 73 for use with the A plurality of load devices 75 are respectively associated with the transport ports 71, 73, and more preferably, a plurality of the load devices 75 connected to the charging interface device 7 of the mobile charger 1 are powered by the two power sources. The units 10, 20 cooperate with the output terminal N _{302 of} the DC power smart unit 30, the respective output terminals N ₄₀₂ , N ₈₀₂ of the power regulating modules 40, 80, and the output terminal N _{502 of} the energy storage device 5 The output of the DC power supply level signal is used for charging and charging. In the preferred embodiment of the present invention, the charging interface device 7 is provided with two sets of USB (Universal Sequence Bus) transmission ports 71 and a set of wireless power transmission ports 73.

As shown in the above, an input end 732 of the wireless power transmission port 73 of the charging interface device 7 is coupled to the output terminal N _{302 of} the DC power smart unit 30 and the second power regulating module. the output terminal 80 N _802, and U ₃ and respectively coupled via a third micro-processing device of the wireless power transmission port 73 is provided to a driving device 734 and a power sensing means 736, identification system for matching from the DC After the power smart unit 30 and the DC power supply signal of the second power conditioning module 80, the DC power signal is coupled to the induction coil L ₂ coupled to the driving device 734 of the wireless power transmission 73. A plurality of the load devices 75 are configured to perform the charging function; preferably, when the plurality of load devices 75 are subjected to a predetermined unit time to receive the DC power signal from the wireless power transmission port 73, the energy storage is saturated. The power sensing device 736 of the wireless power transmission port 73 will perform an intervention to adjust the energy storage efficiency of the DC power source to reduce the probability of occurrence of a ground overload phenomenon.

As described above, the charging interface device 7 is provided with a display 77 and is respectively coupled to the energy storage device 5 and the USB (Universal Serial Bus) transmission port 71 of the charging interface device 7 and the wireless power supply. The transmission port 73 is displayed to the user by the display function interface provided in the display 77, and the displayed information is derived from the charging DC power supply level signals respectively output by the two devices 5, 7. (including but not limited to voltage, current, temperature, humidity, power, charging time, overload protection warning signal, node power signal warning signal, etc.) status. The above is a detailed description of the structure of the related components of the mobile charger 1 and the assembly and coupling of the mobile charger 1 according to the preferred embodiment of the present invention, and then the effect of the mobile charger 1 will be successively explained.

In view of the above, the function and feature of the preferred embodiment of the present invention is that the two power supply units 10, 20 provided by the external power supply assembly 4 of the mobile charger 1 cooperate with the action. The DC power supply level unit of the power supply control unit 6 of the type charger 1 and the DC power source level signals output by the respective output terminals N ₄₀₂ and N _{802 of} the power supply adjustment modules 40 and 80, The energy storage device 5 of the mobile charger 1 is adapted to withstand the utility of the DC power storage, and at the same time, a plurality of the load devices 75 coupled to the charging interface device 7 of the mobile charger 1 are enabled. The utility of the supply charging; thereby, to achieve the expected efficacy and purpose of the creation.

Preferably, the arbitration trigger signal generated by the signal arbitration control device 61 of the power control assembly 6 of the preferred embodiment of the present invention is used to control a plurality of the load devices 75 of the charging interface device 7. And the selection is expected to withstand the direct current power supply level signal outputted by the two power supply units 10, 20 or the direct current power level signal generated by the energy storage device 5 for supply charging. It will enable users to further select the way of energy storage or any supply charging depending on the current terrain and environmental factors; thereby, to achieve the expected efficacy and purpose of the creation.

Finally, it must be explained again that the constituent devices or articles disclosed in the foregoing embodiments are merely illustrative and are not intended to limit the scope of the case. Other alternative devices or alternatives or changes to the objects should also be The scope of the patent application is covered.

4‧‧‧External power supply assembly

5‧‧‧ energy storage device

6‧‧‧Circuit control assembly

7‧‧‧Charging interface device

10‧‧‧First power supply unit

11‧‧‧AC conversion DC module

13‧‧‧Control system

20‧‧‧Second power supply unit

21‧‧‧DC Module

23‧‧‧Mechanical energy conversion DC module

25‧‧‧Solar source conversion DC module

27‧‧‧Wireless power charging receiver module

30‧‧‧DC Power Smart Unit

40‧‧‧First power conditioning module

71‧‧‧USB transmission埠

73‧‧‧Wireless power transmission埠

75‧‧‧Loading device

77‧‧‧ display

80‧‧‧Second power adjustment module

Claims (10)

A mobile charger includes: an external power supply assembly (4), an energy storage device (5), a power control assembly (6), and a charging interface device (7); wherein the external power supply The power supply assembly (4) is provided with a first power supply unit (10) and a second power supply unit (20), and the first power supply unit (10) is resistant to an alternating current (AC) power supply level. The signal is converted to a constant current (DC) power supply level signal by an AC conversion DC module (11), and is output to the power control assembly (6) by a control system (13), and the second power supply The power supply unit (20) is resistant to at least one set of DC power supply level signals and output to the power control assembly (6); wherein the power control assembly (6) includes a DC power intelligent unit (30), a first power adjustment module (40) and a second power adjustment module (80), and the DC power supply smart unit (30) is provided with a first microprocessor based device (U ₁₎ to identify from these two After the power supply unit (10), (20) outputs the DC power level signal, it is matched to the first power adjustment module (40) and The charging interface device (7), wherein the DC power level signal matched to the charging interface device (7) is used to supply at least one load device (75) for DC power supply charging, and matched to the first power supply adjustment The DC power supply level signal of the module (40) is adjusted and coupled to the energy storage device (5) for performing the function of DC power storage; wherein the second power adjustment module (80) is coupled The energy storage device (5) is coupled to the charging interface device (7) after being regulated by the DC power supply level signal to supply the at least one load device (75) for DC power supply charging. According to the mobile charger of claim 1, wherein the input end of the DC power intelligent unit (30) of the power control assembly (6) is simultaneously withstands from the two power supply units (10), (20) the signal level of the DC power source, a DC power supply and after selection to identify the function of the first microprocessor means (U _1), the priority is switched to the first power supply unit (10) of the DC power level signal. The second action based on the two patent applications range charger, wherein the charging interface means (7) is provided with a second microprocessor-based unit (U ₃₎ for detecting from these two power regulation module (40) (80) After outputting the DC power supply level signal, it is matched to the load device (75) for supply charging. According to the mobile charger described in claim 3, two of the power supply adjustment modules (40) and (80) are respectively provided with a power supply voltage step-up and regulation circuit (41), and (81) for performing DC power supply. Level adjustment. According to the mobile charger described in claim 2, two of the power regulating modules (40) and (80) are respectively provided with a power boosting voltage adjusting circuit (41), and (81) is used for DC power supply. Level adjustment. The first action according to the patent a range charger, wherein the charging interface means (7) is provided with a second microprocessor-based unit (U ₃₎ for detecting from these two power regulation module (40) (80) After outputting the DC power supply level signal, it is matched to the load device (75) for supply charging. According to the mobile charger according to claim 1, wherein the two power regulating modules (40) and (80) are respectively provided with a power boosting voltage adjusting circuit (41), and (81) is used for DC power supply. Level adjustment. The mobile charger according to any one of claims 1 to 7, wherein the second power regulating module (80) of the power control assembly (6) further comprises a signal arbitration control device (61). And the arbitration trigger signal generated by the signal arbitration control device (61) is used to control the load device (75) of the charging interface device (7) so that the selection is expected to withstand from the two power supply units ( 10), (20) the output of the DC power supply level signal or the DC power supply level signal generated by the energy storage device (5) for supply and charging. According to the mobile charger of claim 8, wherein the charging interface device (7) is provided with a display (77) coupled to the energy storage device (5) and the charging interface device (7). At least one USB (Universal Serial Bus) transmission port (71) and at least one wireless power transmission port (73) are used to instantly display the power signal status of the mobile charger. A mobile charger according to any one of the preceding claims, wherein the charging interface device (7) is provided with a display (77) coupled to the energy storage device (5) and the charging The interface device (7) is provided with at least one USB (Universal Serial Bus) transmission port (71) and at least one wireless power transmission port (73) for instantly displaying the power signal status of the mobile charger.