TWM556964U - Wireless charging mobile power with composite induction coil - Google Patents

Abstract

The present invention is a wireless charging mobile power source of a composite induction coil, which comprises a frame, a battery, a circuit board, an induction coil, an upper cover and a lower cover. The battery, the circuit board and the induction coil are placed on the outer frame and the upper cover. The accommodating space formed by the board and the lower cover is located on the side of the battery, the induction coil is located above the battery, and the induction coil is combined with the receiving end and the transmitting end. The gravity data is sensed via a gravity sensor in the circuit board to determine whether the wireless charging mobile power source is discharging or charging. In order to reduce parts, reduce size and reduce costs.

Description

Wireless charging mobile power supply for composite induction coil

The present invention relates to a wireless charging mobile power source of a composite induction coil, in particular, an internal induction coil of a mobile power source is combined with a receiving end and a transmitting end, and is integrated into a single induction coil.

With the rapid development of electronic technology, electronic products are diverse and powerful, and their demand for battery power is increasing. These electronic products sometimes require frequent charging due to frequent use and limitations of the place of use. In order to facilitate the charging, the industry has gradually developed a mobile power supply, which contains a storage battery inside. When the electronic product is charged, the electronic product and the charging plug of the mobile power source are directly connected by the data line, and the energy is stored from the battery into which the charging plug is introduced into the electronic product. However, this mobile power supply requires a charging cable to complete charging and discharging. Each time it is necessary to plug one end of the data line into the electronic product, and then pull it off after the charging is completed, which is not only troublesome, but also disconnected, and the interface is loose. Other issues affect charging.

With the increasing popularity of wireless charging electronic devices, a non-contact charging power source, namely a wireless mobile power source, has been gradually introduced. The wireless mobile power source can charge the electronic device via wireless induction by the electromagnetic induction of the coil unit. At present, most wireless mobile power sources only have a wireless discharge function, and do not have a wireless charging function.

Therefore, there is a need for an inductive coil combined with a wireless charging mobile power source at the receiving end and the transmitting end, so that the composite induction coil can be used more effectively.

The main purpose of the present invention is to provide a wireless charging mobile power source of a composite induction coil, which comprises an outer frame, a battery, a circuit board, an induction coil, an upper cover and a lower cover, wherein the outer frame, the upper cover and the lower cover Forming an accommodating space, and the battery, the circuit board and the induction coil are placed in the accommodating space, and the circuit board and the induction coil are electrically connected to the battery. Further, the circuit board is located at the side of the battery, and the induction coil is located above the battery .

Specifically, the circuit board includes a wireless receiving module, a wireless transmitting module, a battery management module, a charging line, a gravity sensor and a switch, and the wireless receiving module is connected with the battery management module, the wireless transmitting module and the charging circuit. The connection, the battery management module and the charging circuit are connected to the battery, the gravity sensor is connected to the switch, and then connected to the battery management module and the charging line.

The induction coil comprises a receiving end and a transmitting end, and the receiving end of the induction coil is connected with the wireless receiving module, the transmitting end of the induction coil is connected with the wireless transmitting module, and the receiving end and the transmitting end are disposed on the same side of the battery.

The gravity sensor senses the gravity data, and controls the switch according to the gravity data, turns on the battery management module to charge the wireless charging mobile power, or turns on the charging line to discharge the wireless charging mobile power.

The main feature of this creation is that the wireless charging mobile power supply has both wireless charging and wireless discharging functions, and the same coil is used in the charging and discharging process, that is, the induction coil integrates the receiving and transmitting, and improves the stability of the wireless charging mobile power supply. And save costs and reduce size.

The implementation of the present invention will be described in more detail below with reference to the drawings and component symbols, so that those skilled in the art can implement the present specification after studying the present specification.

The wireless charging mobile power supply of the composite induction coil, as shown in FIG. 1 , the wireless charging mobile power supply 1 of the composite induction coil includes an outer frame 10, a battery 20, a circuit board 30, an induction coil 40, an upper cover 50, and The lower cover 60, wherein the outer frame 10, the upper cover 50 and the lower cover 60 form an accommodating space, and the battery 20, the circuit board 30 and the induction coil 40 are placed in the accommodating space.

The induction coil 40 and the battery 20 are electrically connected to the circuit board 30, and the induction coil 40 is located above the battery 20, and the circuit board 30 is located at the side of the battery 20.

Further, the schematic diagram of the induction coil 40 is as shown in FIG. 2, the induction coil 40 is combined with the transmitting end and the receiving end, the peripheral solid line portion is the transmitting end coil, and the internal dotted line portion is the receiving end coil. When discharging, the current passes through the periphery. The solid line portion, on the other hand, when charging is performed, the current passes through the inner dotted line portion.

The system of the circuit board 30 is as shown in FIG. 3. The circuit board 30 includes a wireless receiving module 31, a wireless transmitting module 32, a battery management module 33, a charging line 34, a gravity sensor 35, and a switch 36. The receiving end of the coil 40 is connected to the wireless receiving module 31, the wireless receiving module 31 is further connected to the battery management module 33, the transmitting end of the induction coil 40 is connected to the wireless transmitting module 32, and the wireless transmitting module 32 is further connected to the charging circuit. 34 connections.

The battery management module 33 and the charging circuit 34 are connected to the battery 20, the gravity sensor 35 is connected to the switch 36, and is connected to the battery management module 33 and the charging line 34.

Specifically, the gravity sensor 35 senses the gravity data. When the gravity data is greater than or equal to 1 G, the state of the switch 36 is to turn on the charging circuit 34 to turn off the battery management module 33, and the battery 20 passes the charging line 34 and the wireless transmitting module. 32 is discharged, and then the mobile device is charged by the transmitting end of the induction coil 40; when the sensed gravity data is less than or equal to -1G, the state of the switch 36 is to turn on the battery management module 33 to turn off the charging line 34, and the external The power source is discharged and passed through the receiving end of the induction coil 40, and then the battery 20 is charged through the wireless receiving module 31 and the battery management module 33.

As shown in FIG. 4 and FIG. 5, when the relative position of the mobile device and the present invention is as shown in FIG. 4, the gravity sensor 35 in the composite wireless charging mobile power source 1 senses gravity. The data is greater than or equal to 1 G, and the battery 20 in the composite wireless charging mobile power source 1 is discharged, that is, the mobile device is charged through the transmitting end of the induction coil 40. Further, the relative position of the external power source and the present invention is as follows. In the figure 5, the gravity sensor 35 in the composite wireless charging mobile power source 1 senses that the gravity data is equal to or less than -1G, and the external power source passes through the receiving end of the induction coil 40 to perform a wireless charging operation on the composite type. The battery 20 inside the power source 1 is charged.

The main feature of this creation is that the wireless charging mobile power supply has both wireless charging and wireless discharging functions, and the same induction coil is used in the charging and discharging process, thereby improving the stability of the wireless charging mobile power supply while reducing the cost.

Another feature of this creation is that because a single induction coil is used, the mobile device can be placed in the middle position, allowing the user to operate more intuitively and increase convenience.

Another feature of the present invention is that the gravity sensor is used to sense the gravity data, thereby judging whether to discharge or charge, so that the switch device is not required to be externally designed, so that the outer frame, the upper cover and the lower cover can be completely sealed. No openings or gaps to achieve waterproofing.

The above description is only for the purpose of explaining the preferred embodiment of the present invention, and is not intended to impose any form of limitation on the creation, so that any modification or alteration of the creation made in the same creative spirit is provided. , should still be included in the scope of protection of this creative intent.

1‧‧‧Composite wireless charging mobile power supply
10‧‧‧Front frame
20‧‧‧Battery
30‧‧‧ boards
31‧‧‧Wireless Receiver Module
32‧‧‧Wireless Transmitter Module
33‧‧‧Battery Management Module
34‧‧‧Charging line
35‧‧‧Gravity sensor
36‧‧‧Switch
40‧‧‧Induction coil
50‧‧‧Upper cover
60‧‧‧Under cover

Fig. 1 is a perspective view showing the wireless charging action power supply of the composite induction coil of the present invention; Fig. 2 is a schematic view showing the wireless charging action power induction coil of the composite induction coil of the present invention; Fig. 3 is a view showing the composite induction coil of the present invention. A schematic diagram of a system for a wireless charging mobile power circuit board; FIG. 4 is a schematic diagram showing an application example of a wireless charging mobile power supply of the composite induction coil; and FIG. 5 shows another application of the wireless charging mobile power of the composite composite induction coil. An example schematic.

Claims (3)

A wireless charging mobile power source of a composite induction coil comprises: a frame; a battery; a circuit board, the circuit board is located at a side of the battery, and includes a wireless receiving module, a wireless transmitting module, and a battery management a module, a charging circuit, a gravity sensor and a switch, the wireless receiving module is connected to the battery management module, the wireless transmitting module is connected to the charging circuit, and the battery management module and the charging circuit are connected Connected to the battery, the gravity sensor is connected to the switch, and is connected to the battery management module and the charging line; an induction coil is located above the battery and includes a receiving end and a transmitting end, The receiving end is extended from the inside of the induction coil, and the transmitting end is extended from the outside of the induction coil, and the receiving end is connected to the wireless receiving module, and the transmitting end is connected to the wireless transmitting module; An upper cover; and a lower cover; wherein the outer frame, the upper cover and the lower cover form an accommodation space, and the battery, the circuit board and the induction coil are placed Placed in the accommodating space. The wireless charging mobile power source of the composite induction coil of claim 1, wherein the gravity sensor senses gravity data, and when the gravity data is greater than or equal to 1G, the switch state is to turn on the charging circuit and turn off the a battery management module, the battery is discharged through the charging circuit and the wireless transmitting module, and the external mobile device is charged by the transmitting end of the induction coil; when the gravity data is less than or equal to -1G, the switch state is turned on. The battery management module closes the charging circuit, and the external power source is discharged, and the receiving end of the induction coil is charged by the wireless receiving module and the battery management module. The wireless charging mobile power source of the composite induction coil according to claim 1, wherein the outer frame, the upper cover and the lower cover are completely sealed.