CN202524124U - mobile power - Google Patents

Abstract

The utility model provides a mobile power supply, which comprises a battery; the wired charging circuit is used for charging the battery in a wired charging mode; the wireless charging circuit is used for charging the battery in a wireless charging mode; the discharge circuit is connected with the electronic product in an interface mode to release electric power for the electronic product; and the charging voltage and current control circuit is respectively connected with the wired charging circuit, the wireless charging circuit and the discharging circuit and is used for controlling the charging of the battery in a wireless or wired mode. The utility model discloses outside having to lean on outer wiring charger to carry out the mode of charging, the mode that wireless reception charges in addition charges, does not interfere or destroy original framework like this, increases the convenience of user on charging again. The charging method not only can increase the diversity of the charging mode of the mobile power supply, but also can make the built-in battery of the mobile power supply product have more choices in charging. The charging convenience under the wireless charging environment condition is greatly improved.

Description

mobile power

technical field

The utility model relates to a power supply device, in particular to a mobile power supply device.

Background technique

In the 21st century, people have entered the age of information life. Digital products such as mobile phones, digital cameras, and handheld computers have become necessary supplies for people's lives. When the built-in battery of these portable products is insufficient, it is often necessary to add a shell-type mobile power supply for power supply. Once the built-in battery and the shell-type mobile power supply are short of power, they will not work normally and must be charged immediately to resume normal work. Usually, a charger plugged into the mains is used to charge the built-in battery and the shell-type mobile power supply through a connecting line. However, under the environmental conditions with wireless charging; because the shell-type mobile power supply does not have the function of wirelessly receiving power; so that the required power cannot be obtained through wireless charging; for temporary needs, the shell-type mobile power supply should be replaced immediately. It is very inconvenient for people who use the built-in battery of the mobile phone to charge.

In view of this, it is necessary to improve and innovate the mobile power supply.

Utility model content

The technical problem to be solved by the utility model is to provide a new type of mobile power supply, which is sufficient to overcome the above-mentioned defects.

In order to achieve the above purpose, the utility model adopts the following technical solutions, that is, a mobile power supply, which includes a battery; a wired charging circuit, used to charge the battery by wired charging; a wireless charging circuit, used to charge the battery. Charging by means of wireless charging; a discharge circuit, which is connected to the electronic product through an interface to release power; and a charging voltage and current control circuit, which is respectively connected to the wired charging circuit, the wireless charging circuit, and the discharging circuit to control the charging of the battery. Charge wirelessly or wired.

In order to make the utility model have better technical effects, the utility model can also be specific or optimized as follows:

The wired charging circuit includes an input interface and a charging control circuit; the wireless charging circuit includes a wireless receiving antenna coil and the wireless charging receiving control circuit; one end of the discharging circuit is connected to an output interface, and the other end is connected to the charging voltage and current through a protection circuit. The control circuit is connected, wherein the protection circuit is connected with the battery, the output interface is used for connecting with the electronic product, and the input interface is used for external charging wire.

It further includes a first circuit board and a second circuit board, wherein the wireless charging receiving control circuit and protection circuit are integrated on the first circuit board, the input interface, the charging control circuit, the charging voltage and current control The circuit, the discharge circuit and the output interface are integrated on the second circuit board, wherein the wireless receiving antenna coil is integrated on the battery.

It also further includes a casing, which has a battery casing and a casing, wherein the battery casing includes a battery casing and a battery inner casing, and the battery is located in the space defined by the battery casing and the battery casing; the casing It includes an organic shell and an inner shell, wherein the inner shell is installed on the battery shell, and the shell and the battery shell cooperate with each other to form the overall structure of the mobile power supply.

The first circuit board is located between the battery casing and the battery.

The first circuit board is also provided with a connection piece corresponding to and matched with the connection head on the battery, and the connection head is connected with the connection piece to realize the electrical connection between the battery and the protection circuit.

The side wall of the battery outer cover protrudes from the battery inner cover to form a certain height limit for placing electronic products.

The wireless receiving antenna coil is built into a flexible circuit board.

The wireless receiving antenna coil is a copper wire coil plate or a coil wound by copper wire and embedded in an insulator to form a receiving coil module.

The battery is a lithium ion battery or a lithium polymer battery.

The utility model not only relies on an external wired charger for charging, but also has a wireless receiving charging mode for charging, which does not interfere with or destroy the original structure, and increases the convenience of charging for users. It can increase the diversity of the charging methods of the mobile power itself, so that the built-in battery of the mobile power product has more choices in charging. It greatly improves the convenience of charging under the environmental conditions of wireless charging.

Description of drawings

Fig. 1 is the circuit block diagram of the utility model.

Fig. 2 is a structural schematic diagram of the utility model.

Fig. 3 is a schematic diagram of the overall structure of the utility model.

Detailed ways

In the following, the utility model will be illustrated and described according to specific embodiments in conjunction with the above-mentioned drawings, so that those skilled in the art can understand and reproduce. However, it should be understood that the following illustrations and descriptions are only for the understanding of the utility model, and are not intended to limit the utility model.

Referring to FIGS. 1-2 , the mobile power supply 100 includes a housing 10 , the housing 10 has a battery case 11 and a case 12 , wherein the battery case 11 is connected to the case 12 . Specifically, the battery case 11 includes a battery case 111 and a battery inner case 112, the battery case 111 and the battery inner case 112 form a cavity for accommodating and covering the battery (or battery pack) 20 so as not to use It is exposed to the outside world. In addition, the casing 12 includes an organic inner casing 121 and a casing 122, wherein the casing 121 is inserted into the battery casing 111, and slots are provided on the inner walls of both sides of the battery casing, and the casing 121 can be Insert into the battery casing 111 through the card slot. In addition, the machine casing 122 is connected with the battery casing 111 to constitute the overall basic structure of the mobile power supply 100 .

In addition, the mobile power supply 100 also includes a first PCB board 30 and a second PCB board 40 , wherein the first PCB board 30 is integrated with a wireless receiving control circuit and a protection circuit. The second PCB board 40 is integrated with a wired charging circuit, a charging voltage and current circuit and a discharging circuit. Specifically, the wireless charging control circuit is electrically connected to a wireless receiving antenna coil 50 , and the wireless receiving antenna coil 50 is integrated above the battery (or battery pack) 20 .

Wherein, the wired charging circuit includes an input interface 41 and the charging control circuit electrically connected thereto. The charging control circuit is also electrically connected to the protection circuit through the charging voltage and current control circuit, and the protection circuit is connected to the battery (or battery pack) on the one hand and to the discharge circuit on the other hand. An output interface 43 is also connected, and the output interface 43 is used to connect with an electronic product so as to provide power for charging the electronic product.

It should be noted that the input interface 41 is arranged on the second PCB 40 , and an opening 42 is opened on the housing 122 corresponding to the input interface 41 , so that external charging wires can be connected through the opening 42 .

The output interface 43 is also disposed on the second PCB 40 , and advantageously, its direction is opposite to that of the input interface 41 . As shown in Figure 2 and Figure 3, although the battery inner cover 112 is installed on the battery outer cover 111, the side wall of the battery outer cover 111 still protrudes from the battery inner cover to form a certain limit height, so The structure is conducive to placing electronic products therein, and the input end of the electronic product is connected to the output interface 43, then the mobile power supply provides power for charging it in a wired or wireless manner.

Please refer to FIG. 1 and FIG. 2 , there is a mounting post 113 protruding from the bottom surface of the battery cover 111 , and a mounting hole 31 is opened on the first PCB board 30 . Through the connection between the mounting hole 31 and the mounting post 113 , it It is mounted on the bottom surface of the battery case 111 . At the same time, the first PCB board 30 is also provided with a connecting piece 32 corresponding to and matched with the connecting head 21 on the battery (or battery pack) 20, and the connecting head 21 is connected with the connecting piece 32 to realize the protection circuit and the connecting piece 32. The electrical connection of the battery (or battery pack) 20 . As mentioned above, the battery (or battery pack) 20 is also installed on the battery case 111, and advantageously, the first PCB board 30 is located between the battery (or battery pack) 20 and the battery case In the space between the bottom surfaces of 111 , such a structure can save the space of the casing 10 and also compress its height, so that the mobile power supply 100 is more portable.

Advantageously, when the power of the internal battery of the mobile power supply is insufficient, when there is only a wired charging adapter, it can be directly inserted into the input interface 41 to charge the mobile power battery (or battery pack) 20 in a wired manner; when there is only a wireless charging adapter , to charge it wirelessly. When the wired charging adapter and the wireless charging adapter exist at the same time, they can be charged at the same time, because the two charging methods will pass through the charging voltage and current control circuit, and the charging voltage and current will be intelligently controlled without causing damage to the battery.

Preferably, the battery (or battery pack) can be a lithium-ion battery or a lithium-polymer battery made in the prior art.

Optionally, the wireless receiving antenna coil 50 is built into a flexible circuit board. It is also possible that the wireless receiving antenna coil 50 is a copper wire coil plate, or a coil of copper wire is wound and embedded in an insulator to form a receiving coil module.

Although the present utility model has been illustrated and described in conjunction with the most practical and preferred embodiment considered by the applicant at present, it should be understood that the present utility model is not limited to the examples shown in the above text description and accompanying drawings, on the contrary, Changes and modifications that fall within the spirit and scope of the claims of the invention are intended to be covered.

Claims (9)

1. A mobile power supply, characterized in that it includes Battery; a wired charging circuit for charging the battery by wired charging; A wireless charging circuit for charging the battery in a wireless charging manner; The discharge circuit is connected to the electronic product by an interface to release power for it; The charging voltage and current control circuit is respectively connected to the wired charging circuit, the wireless charging circuit and the discharging circuit, and is used to control the wireless or wired charging of the battery. 2. The mobile power supply according to claim 1, wherein the wired charging circuit includes an input interface and a charging control circuit; the wireless charging circuit includes a wireless receiving antenna coil and the wireless charging receiving control circuit; one end of the discharging circuit It is connected with an output interface, and the other end is connected with the charging voltage and current control circuit through a protection circuit, wherein the protection circuit is connected with the battery, the output interface is used for connecting with the electronic product, and the input interface is used for connecting an external charging wire. 3. The mobile power supply according to claim 2, characterized in that it further includes a first circuit board and a second circuit board, wherein the wireless charging receiving control circuit and protection circuit are integrated on the first circuit board Above, the input interface, the charging control circuit, the charging voltage and current control circuit, the discharging circuit and the output interface are integrated on the second circuit board, wherein the wireless receiving antenna coil is integrated on the battery. 4. The mobile power supply according to claim 3, characterized in that, it further includes a casing, which has a battery casing and a casing, wherein the battery casing includes a battery casing and a battery inner casing, and the battery Located in the space defined by the battery inner case and the battery case; the case includes an organic case and an inner case, wherein the inner case is mounted on the battery case, and the case and the battery case cooperate with each other to form the The overall structure of mobile power. 5. The mobile power supply according to claim 4, wherein the first circuit board is located between the battery casing and the battery. 6. The mobile power supply according to claim 5, characterized in that, the first circuit board is also provided with a connection piece corresponding to and matched with the connection head on the battery, and the connection head is connected with the connection piece to realize the connection of the battery. Electrical connection to the protective circuit. 7 . The mobile power supply according to claim 6 , wherein the side wall of the battery outer cover protrudes from the battery inner cover to form a certain height limit for placing electronic products. 8 . 8. The mobile power supply according to claim 7, wherein the wireless receiving antenna coil is built into a flexible circuit board. 9. The mobile power supply according to claim 7, characterized in that the wireless receiving antenna coil is a copper wire coil plate or a coil wound by copper wire and embedded in an insulator to form a receiving coil module; The mobile power supply according to claims 1-9, characterized in that the battery is a lithium ion battery or a lithium polymer battery.

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