TWM488793U - Battery charger with wireless charging function - Google Patents

Description

Battery charger with wireless charging

This creation is about a battery charger, especially a battery charger with a wireless charging function.

With the popularization of electronic devices, people can easily enjoy the convenience brought by technology in their lives, but as long as the electronic devices have a power consumption, they need to be charged. Taking a mobile phone as an example, when the mobile phone is exhausted, the way to restore the power includes charging the mobile phone directly through a travel charger or a charging stand connected to a mains socket, or replacing the battery in the mobile phone. A depleted battery can be charged through a battery charger to restore battery power.

In addition, as the functions of mobile phones become more and more powerful, the power consumption is getting higher and higher, which makes the power of mobile phones less than enough. Therefore, in order to avoid running out of mobile phones, It usually carries a spare battery or a mobile power unit for emergency use.

In order to maintain the normal operation of the mobile phone during long-distance travel, the luggage always contains a travel charger or charging stand for the mobile phone, a battery charging stand, a backup battery, and an action. The power supply unit and at least one universal serial bus (USB) power transmission line, so the number of related accessories for mobile phones is so much, in addition to increasing the weight of the luggage, it is also prone to loss.

In order to solve the above-mentioned shortcomings of the prior art, one of the aims of the present invention is to integrate various charging functions, integrate the device, and reduce the number of electrical appliances carried by the user.

To achieve the above and other purposes, the present invention provides a battery charger having a wireless charging function, including a power module, a charging module, and a battery mounting module capable of replacing the internal battery. Electrically connecting the charging module, the charging module is configured to provide a charging power source to the battery mounting module electrically connected thereto, wherein the battery charger further comprises an electrical connection between the power module and the battery mounting module a wireless charging module, the wireless charging module is configured to generate a wireless charging signal according to the power supply provided by the power module or the battery mounting module, and the wireless charging module is disposed in the battery charger to The wireless charging signal is charged to the wireless charging device to be charged placed above the wireless charging module.

In one embodiment of the battery charger having the wireless charging function, the wireless charging module is configured to cut off the power provided by the battery mounting module when receiving the power provided by the power module.

In one embodiment of the battery charger having the wireless charging function, the battery charging module status display unit is electrically connected to the battery mounting module to display the state of charge of the battery mounting module, wherein The battery installation module status display unit can be a light emitting diode.

In one embodiment of the battery charger having the wireless charging function, the wireless charging module status display unit is electrically connected to the wireless charging module to display whether the wireless charging module is turned on or off. The wireless charging module status display unit is a light emitting diode.

Therefore, the battery charger with the wireless charging function of the present invention provides the wireless charging function of the battery charger by providing the wireless charging module in the battery charger, so that the battery charger is not only The rechargeable battery provided therein can also wirelessly charge a wireless charging device. Therefore, the battery charger can be used as a wireless charging stand and a wireless charging mobile power supply device in addition to being used as a battery charger. When you travel, you only need to carry the battery charger to maintain the power of the electronic device (such as mobile phone) to maintain normal operation, which can reduce the number of electrical appliances.

In order to fully understand the purpose, features and effects of this creation, the following specific examples, together with the attached drawings, provide a detailed description of the creation, as explained below:

Please refer to FIG. 1 , which is a functional block diagram of a battery charger 1 with a wireless charging function according to an embodiment of the present invention. The battery charger 1 includes a power module 11, a charging module 12, a battery mounting module 13 for replacing the internal battery, and a wireless charging module 14.

The power module 11 is electrically connected to the charging module 12 and is powered. In more detail, the power module 11 can receive a power E from the outside, and the power E is rectified and filtered and output to the charging module. Group 12. For example, the power module 11 can be electrically connected to the mains socket through a transformer, and the power from the mains is rectified and filtered and output to the charging module 12.

After receiving the power from the power module 11 , the charging module 12 transmits the power to the battery mounting module 13 to charge the internal battery of the battery mounting module 13 .

The wireless charging module 14 is electrically connected to the power module 11 and the battery mounting module 13 and, depending on the situation, determines to receive output from the power module 11 or the battery mounting module 13, so that the wireless The charging module 14 is activated. In more detail, the wireless charging module 14 can determine the charging source to be provided by the power module 11 or the battery mounting module 13 through an internal control circuit (not shown). Generally, when the wireless charging is performed. When receiving the charging source provided by the power module 11 , the module 14 takes priority (because the utility power is stable compared to the battery), so the wireless charging module 14 will receive the power provided by the power module 11 Up to the power supply provided by the battery mounting module 13, for example, the cut-off mechanism can be controlled by components of the control circuit of the wireless charging module 14 itself (for example, a component such as a transistor to form a switch control circuit) or by the wireless The charging module 14 is configured to cooperate with the power module 11 (ie, when the wireless charging module 14 detects that the power terminal of the power module 11 has a power input, a cutoff signal is generated to be transmitted to the power source. In the module 11, the power module 11 turns off the output of the power when receiving the cutoff signal; otherwise, when the wireless charging module 14 does not detect the power input of the power module 11 Opened The signal is transmitted to the power module 11, and when the power module 11 receives the open signal, the output of the power is turned on to output power to the wireless charging module 14. Accordingly, the author can use the control mechanism to The power supply path to the wireless charging module 14 is optimized.

Further, the wireless charging module 14 charges a wireless charging device 2 to be charged by the wireless charging signal generated by the wireless charging module 14. Further, any technology capable of wireless charging and discharging is applicable to the creation, for example, magnetic induction. (Magnetic Induction, MI) and Magnetic Resonance (MR) techniques, in the embodiments of the present invention, magnetic induction is taken as an example.

Referring to FIG. 2 again, it is an exploded view of the battery charger 1 with wireless charging function according to an embodiment of the present invention. More specifically, the battery charger 1 can have a housing 15 that is comprised of a base 151 and a top cover 152.

Further, the base 151 has a receiving slot 153 for receiving the power module 11 , the charging module 12 , the battery mounting module 13 , and the wireless charging module 14 .

The battery mounting module 13 can include a battery unit 131 and a battery protection circuit (not shown). The battery unit 131 can be replaced. The battery unit 131 can be charged in any form. A battery, such as a nickel-cadmium battery, a nickel-hydrogen battery, or a lithium battery, but is not limited thereto.

The wireless charging module 14 includes an induction coil 141, a pulse width modulation (PWM) power supply circuit 142, and a detection protection circuit 143. The pulse width modulation (PWM) power supply of the wireless charging module 14 After receiving the output power from the power module 11 or the output power of the battery mounting module 13, the circuit 142 generates an alternating electromagnetic field through the induction coil 141 to perform the wireless charging device 2 (not shown). Charging, wherein the wireless charging module 14 detects the wireless charging request signal of the wireless charging device 2 by the detection protection circuit 143, so that the wireless charging device 2 receives the required power without The overcurrent and overvoltage conditions occur to protect the wireless charging device 2.

In addition, in the present embodiment, the number of the wireless charging modules 14 is exemplified for convenience of description. However, the number and size of the wireless charging modules 14 are not limited thereto, but are based on the needs of the user. To decide.

In addition, the top cover 152 is movably attached to the base 151, that is, the top cover 152 and the base 151 may be in a closed state or an open state as the case may be. For example, when the battery unit 131 of the battery mounting module 13 is replaced, the top cover 152 must be separated from the base 151 to be in an open state, and the depleted battery unit is removed from the receiving slot 153. The battery unit is removed and charged, and finally the top cover 152 is covered with the base 151 to be in a closed state.

Referring to FIG. 3 again, it is a schematic diagram of the application of the battery charger 1 with wireless charging function according to an embodiment of the present invention. In FIG. 3, the battery charger 1 wirelessly charges the wireless charging device 2 (such as a mobile phone) by using a wireless charging module 14 disposed therein, wherein the source of the battery charger 1 power comes from The battery unit 131 of the battery mounting module 13 , in other words, the battery charger 1 is powered by the battery unit 131 of the battery mounting module 13 provided therein to perform the wireless charging device 2 Wireless charging.

The timing and manner of application of the battery charger 1 will be described below:

When there is a mains outlet (such as indoors), the battery charger 1 is electrically connected to the mains socket to charge the battery unit provided therein, and the battery charger 1 is used as a simple battery. The charger is used.

When the battery charger is in a place (such as indoors), the battery charger 1 is electrically connected to the mains socket, and at this time, the power module 11 of the battery charger 1 receives power from the mains socket, and the The power is transmitted to the wireless charging module 14 of the battery charger 1 after the voltage is converted, and the wireless charging module 14 of the battery charger 1 controls the battery mounting module 13 to stop supplying power to the wireless charging module. 14. The wireless charging module 14 can then wirelessly charge the wireless charging device 2 placed above the battery charger 1. Here, the battery charger 1 is used as a pure wireless charging stand.

When there is no mains outlet (such as outdoor), the battery charger 1 wirelessly charges the wireless charging device 2 by the power supplied from the battery unit of the battery mounting module 13, where The battery charger 1 is used as a pure wireless charging mobile power supply device.

Accordingly, in order to avoid the situation that the wireless charging device 2 is exhausted and the utility power socket is not charged to charge the wireless charging device 2 when going out, the wireless charger 1 may first utilize wireless charging before going out. The method fully charges the internal battery unit of the wireless charging device 2, and then the battery charger 1 fills the battery of the backup battery unit contained in the battery mounting module 13; and when going out, directly The backup battery unit carried in the battery mounting module 13 is carried along with the battery charger 1 without being removed; when the power of the wireless charging device 2 is exhausted, the wireless charging device 2 is directly placed in the battery charging. The internal battery unit of the wireless charging device 2 is wirelessly charged by the power supplied from the battery unit provided in the battery charger 1.

Further, when the battery unit provided in the battery charger 1 is exhausted and there is no mains socket to charge the battery unit, the other type of the battery unit can be sold. The battery unit is purchased by a store to replace the depleted battery unit and serves as a power source for the battery charger 1, so that the battery charger 1 is again used as a wireless charging mobile power supply device to the wireless charging device. 2 The internal battery unit is wirelessly charged.

Thereby, the battery charger 1 can be used as a battery charger, a wireless charging stand, and a wireless charging mobile power supply device, and becomes a multifunctional battery charging stand 1. Therefore, in order to maintain the normal operation state of the wireless charging device 2 during long-distance travel, it is only necessary to carry the battery charger 1 corresponding to the wireless charging device 2, which is quite convenient.

Referring to FIGS. 4-6, respectively, it is a functional block diagram, an exploded schematic view and an application schematic diagram of a battery charger 1' having a wireless charging function according to another embodiment of the present invention.

The battery charger 1' having the wireless charging function shown in the embodiment of FIGS. 4 to 6 is different from the one shown in FIGS. 1 to 3 in that the battery charger 1' further includes a battery mounting module state. The display unit 16 and a wireless charging module status display unit 17.

The battery installation module status display unit 16 is electrically connected to the battery installation module 13 to display the state of charge of the battery installation module 13, wherein the battery installation module status display unit 16 can be a light emitting diode. The manner in which the battery installation module status display unit 16 displays the state of charge of the battery installation module 13 is as follows. When the battery installation module 13 is in a low battery state (for example, the battery is lower than the total battery capacity). When the battery installation module 13 is in a state of neutral state (for example, the amount of electricity is between 25% and 50% of the total amount of electricity), the light source diode is displayed in a red state; The light-emitting diode displays an orange light; when the battery-mounted module 13 is in a high-charge state (for example, the power is between 50% and 75% of the total power), the LED display The light signal is a blue light; when the battery state of the battery installation module 13 is full (for example, the power has reached 100% of the total power), the light-emitting diode displays a green light.

The manner in which the above-mentioned light-emitting diodes correspond to the color change of the state of the battery-mounted module 13 and the manner in which it is displayed is merely exemplary, and is not limited thereto.

The wireless charging module status display unit 17 is electrically connected to the wireless charging module 14 to display the wireless charging module 14 in an on or off state, wherein the wireless charging module status display unit 17 can be a light emitting diode. . For example, when the wireless charging module 14 is in an on state, that is, when the wireless charging module 14 is charging, the LED of the LED is illuminated; when the wireless charging module 14 is turned off. That is, when the wireless charging module 14 stops charging, the light level displayed by the light emitting diode is a dark light.

The light-dark state of the light-emitting diode corresponding to the state of the wireless charging module 14 is merely an example, and is not limited thereto.

Thereby, the setting of the additional battery installation module status display unit 16 and the wireless charging module status display unit 17 allows the user to know the state of charge of the battery installation module 13, thereby charging or stopping charging according to requirements. And letting the user know the operating state of the wireless charging module 14, thereby adjusting the control according to the operating conditions to avoid waste of unnecessary power.

In summary, the battery charger of the present invention is provided by the wireless charging module, so that the battery charger can be used as a wireless charging stand or a mobile power supply device in addition to being used as a battery charger. Only need to carry the battery charger when traveling, and reduce the number of electrical appliances carried; and then use the battery installation module status display unit and the setting of the wireless charging module status display unit to let the user know the battery Install the module and the status of the wireless charging module.

The present invention has been disclosed in the above preferred embodiments, and it should be understood by those skilled in the art that the present invention is only intended to depict the present invention and should not be construed as limiting the scope of the present invention. It should be noted that variations and permutations equivalent to those of the embodiments are intended to be included within the scope of the present invention. Therefore, the scope of protection of this creation is subject to the definition of the scope of patent application.

1‧‧‧Battery Charger
1'‧‧‧Battery Charger
11‧‧‧Power Module
12‧‧‧Charging module
13‧‧‧Battery installation module
131‧‧‧ battery unit
14‧‧‧Wireless charging module
141‧‧‧Induction coil
142‧‧‧ Pulse width modulation (PWM) power supply circuit
143‧‧‧Detection protection circuit
15‧‧‧Shell
151‧‧‧Base
152‧‧‧Top cover
153‧‧‧ accommodating slots
16‧‧‧Battery installation module status display unit
17‧‧‧Wireless charging module status display unit
2‧‧‧Wireless charging device
E‧‧‧Electric power from outside
S‧‧‧Wireless charging signal

FIG. 1 is a functional block diagram of a battery charger having a wireless charging function according to an embodiment of the present invention. FIG. 2 is an exploded perspective view of a battery charger having a wireless charging function according to an embodiment of the present invention. FIG. 3 is a schematic diagram of an application of a battery charger having a wireless charging function according to an embodiment of the present invention. Fig. 4 is a functional block diagram of a battery charger having a wireless charging function according to another embodiment of the present invention. FIG. 5 is an exploded perspective view of a battery charger having a wireless charging function according to another embodiment of the present invention. Fig. 6 is a schematic view showing the application of a battery charger having a wireless charging function according to another embodiment of the present invention.

1‧‧‧Battery Charger

11‧‧‧Power Module

12‧‧‧Charging module

13‧‧‧Battery installation module

14‧‧‧Wireless charging module

2‧‧‧Wireless charging device

E‧‧‧Power

S‧‧‧Wireless charging signal

Claims (10)

A battery charger with a wireless charging function includes a power module, a charging module and a battery mounting module capable of replacing the internal battery, the power module is electrically connected to the charging module, and the charging module The battery mounting module is provided with a charging power source, and further includes a wireless charging module electrically connected to the power module and the battery mounting module, wherein the wireless charging module is configured to The power supply module or the power supply provided by the battery installation module generates a wireless charging signal, and the wireless charging module is disposed in the battery charger to be placed on the wireless charging module by the wireless charging signal. Charge the wireless charging device for charging. The battery charger of claim 1, wherein the wireless charging module is configured to cut off power provided by the battery mounting module when receiving power provided by the power module. The battery charger of claim 1 or 2, further comprising a battery installation module status display unit electrically connected to the battery installation module to display the state of charge of the battery installation module. The battery charger of claim 3, wherein the battery mounting module status display unit is a light emitting diode. The battery charger of claim 1 or 2, further comprising a wireless charging module status display unit electrically connected to the wireless charging module to display the wireless charging module in an on or off state. The battery charger of claim 3, further comprising a wireless charging module status display unit electrically connected to the wireless charging module to display the wireless charging module in an on or off state. The battery charger of claim 4, further comprising a wireless charging module status display unit electrically connected to the wireless charging module to display the wireless charging module in an on or off state. The battery charger of claim 5, wherein the wireless charging module status display unit is a light emitting diode. The battery charger of claim 6, wherein the wireless charging module status display unit is a light emitting diode. The battery charger of claim 7, wherein the wireless charging module status display unit is a light emitting diode.