TWM526781U - Wireless charging device - Google Patents

Abstract

A wireless charging device includes a substrate, a coil module, and a power module. The substrate has a plurality of circles of slots. Each of the circles of slots includes at least one first slot and at least one second slot. The at least one first slot has a first depth, and the at least one second slot has a second depth. The coil module has a first coil and a second coil. The first coil is contained in the at least one first slot, and the second coil is contained in the at least one second slot. The power module is disposed on the substrate and electrically coupled to the coil module. In the wireless charging device, the first coil and the second coil have good fixity and are easily to be assembled.

Description

Wireless charging device

This creation relates to the field of wireless charging, and more particularly to a wireless charging device.

Wireless charging, also known as non-contact inductive charging, transfers energy from a charging device to an electronic device (to be charged) by means of coil coupling, and the electronic device charges its internal battery after receiving energy. Since the charging device and the electronic device transmit energy by means of coil coupling, there is no need to connect lines between the two, so wireless charging is more convenient than wired charging.

In a wireless charging device including a coil, the coil is disposed in a groove of the substrate, however, the groove only designs a space according to the shape of the outermost layer of the coil for the coil to be accommodated, not according to the coil from the inside to the The shape of the outer rings is such that the fixing of the coil is not good.

In addition, in a wireless charging device including a plurality of coils, the coils are stacked in the grooves of the substrate. However, since the coils are not easily bent, the coils are not easily assembled when stacked on the grooves of the substrate.

Therefore, it is necessary to propose a solution to the problem that the coils of the conventional wireless charging device are not well fixed and difficult to assemble.

The present invention provides a wireless charging device that solves the problems of poor fixation of the coils in the prior art and difficulty in assembly.

The wireless charging device of the present invention comprises a substrate, a coil module, and a power module. The substrate has a plurality of trenches, each of the trenches includes at least one first trench and at least one second trench, the at least one first trench has a first depth, and the at least one second trench has There is a second depth. The coil module includes a first coil and a second coil. The first coil is received in the at least one first trench, and the second coil is received in the at least one second trench. The power module is disposed on the substrate and electrically coupled to the coil module, and the power module is configured to supply power to the coil module.

In a preferred embodiment, the at least one first trench and the at least one second trench of each turn of the trench are alternately disposed.

In a preferred embodiment, the loop grooves are helical.

In a preferred embodiment, the first coil and the second coil are spiral.

In a preferred embodiment, the first coil and the second coil are in a symmetrical state.

In a preferred embodiment, the first depth is different from the second depth.

In a preferred embodiment, the coil module further includes at least one spacer disposed between the first coil and the second coil, the at least one spacer electrically isolating the first coil and the second coil.

In a preferred embodiment, the first coil has a first end electrically coupled to a first outlet end, and the second coil has a first end electrically coupled to a second outlet end.

In a preferred embodiment, the power module includes two end points, a power connector, and at least one indicator. The two ends are electrically coupled to the first outgoing end and the second outgoing end respectively. The power connector is electrically coupled to a power source to provide energy when the first coil and the second coil are coupled. The at least one indicator is for displaying an operating state of the wireless charging device.

In the wireless charging device of the present invention, since the first coil and the second coil are respectively accommodated in the grooves having different depths, the first coil and the second coil can have good fixation. Furthermore, since the first coil and the second coil can be modularly produced and respectively accommodated in grooves having different depths, assembly is easier.

10‧‧‧Substrate

20‧‧‧ coil module

30‧‧‧Power Module

100‧‧‧ first trench

102‧‧‧Second trench

200‧‧‧first coil

202‧‧‧second coil

204‧‧‧Isolation film

206‧‧‧First outlet

208‧‧‧Second outlet

300, 302‧‧‧ endpoints

304‧‧‧Power connector

306‧‧‧ indicator

2000, 2020‧‧‧ first end

A‧‧‧ area

1 is a perspective view showing a wireless charging device according to an embodiment of the present invention; FIG. 2 is a perspective view showing another view of the wireless charging device; FIG. 3 is a perspective view of the substrate; and FIG. 4 is a view showing a region A in FIG. Magnified view; Fig. 5 shows a perspective view of the first coil; Fig. 6 shows a perspective view of the second coil; Fig. 7 shows a partial enlarged view of the first coil accommodated in at least one first groove; Fig. 8 shows a second view The coil is placed in a partially enlarged view of the at least one second trench; the ninth figure shows a partial enlarged view of the first coil and the second coil received on the substrate; and FIG. 10 shows a schematic diagram of the coil module further including at least one spacer And Figure 11 shows a schematic diagram of the power module of Figure 2.

Referring to FIG. 1 and FIG. 2, FIG. 1 is a perspective view showing a wireless charging device according to an embodiment of the present invention, and FIG. 2 is a perspective view showing another perspective of the wireless charging device.

The wireless charging device mainly includes a substrate 10, a coil module 20, and a power module 30.

The substrate 10 has a flat shape and is substantially rectangular, but is not limited thereto. The coil module 20 is disposed on the substrate 10. The power module 30 is disposed on the substrate 10 and electrically coupled to the coil module 20 , and the power module 30 is configured to supply power to the coil module 20 . In the embodiment, the coil module 20 and the power module 30 are respectively disposed on the two sides of the substrate 10 . In another embodiment, the coil module 20 and the power module 30 can be disposed on the substrate 10 . On the same face.

Please refer to FIG. 3 and FIG. 4, FIG. 3 is a perspective view of the substrate 10, and FIG. 4 is an enlarged view of a region A in FIG.

The substrate 10 has a plurality of grooves. In FIG. 3, the substrate 10 has three grooves. The three grooves are substantially spiral. In FIG. 4, each groove includes at least one first. a trench 100 and at least one second trench 102, the at least one first trench 100 having a first depth, the at least one second trench 102 having a second depth, the first depth being different from the second depth In this embodiment, the first depth is greater than the second depth. In addition, as can be seen from FIG. 4, the at least one first trench 100 and the at least one second trench 102 of each trench are alternately disposed.

Please refer to FIG. 1 and FIG. 3 to FIG. 6 . As shown in FIG. 5 and FIG. 6 , the coil module 20 includes a first coil 200 and a second coil 202 .

The first coil 200 and the second coil 202 are substantially spiral and the two are symmetrical. More specifically, the shapes of the first coil 200 and the second coil 202 respectively correspond to the shapes of the at least one first trench 100 and the at least one second trench 102. The first coil 200 is received in the at least one first trench 100 , and the second coil 202 is received in the at least one second trench 102 .

Please refer to FIG. 7 to FIG. 9 . FIG. 7 is a partial enlarged view of the first coil 200 received in the at least one first trench 100 , and FIG. 8 shows the second coil 202 received in the at least one A partially enlarged view of the second trench 102, and FIG. 9 is a partial enlarged view of the first coil 200 and the second coil 202 received on the substrate 10.

The first coil 200 (accommodating the at least one first trench 100) is assembled on the substrate, because the first depth of the at least one first trench 100 is greater than the second depth of the at least one second trench 102. 10 is located below the second coil 202 (accommodating the at least one second trench 102).

Since the first coil 200 and the second coil 202 are respectively accommodated in the at least one first trench 100 and the at least one second trench 102 having different depths, the first coil 200 and the second coil 202 can be stably It is housed in the substrate 10.

In addition, the first coil 200 and the second coil 202 can be combined with the shape of the at least one first trench 100 and the at least one second trench 102 of the substrate 10 for modular production, and thus the first coil 200 And the second coil 202 is easier to assemble with the substrate 10.

Please refer to FIG. 10, which shows that the coil module 20 further includes at least one Schematic diagram of the spacer 204.

The at least one spacer 204 is disposed between the first coil 200 and the second coil 202 for the purpose of electrically isolating the first coil 200 and the second coil 202.

In addition, as shown in FIG. 10, the first coil 200 has a first end 2000 electrically coupled to a first outlet end 206, and the second coil 202 has a first end 2020 electrically coupled to the first coil 2020. The second outlet end 208. The first outlet end 206 and the second outlet end 208 are electrically coupled to the power module 30 of FIG. 2, and after receiving the power provided by the power module 30, the first coil 200 and the The second coil 202 transfers energy in a coupled manner to a device to be charged for charging.

As can be seen from Fig. 10, the first coil 200 and the second coil 202 are connected in parallel.

Please refer to FIG. 11 , which shows a schematic diagram of the power module 30 of FIG. 2 .

The power module 30 includes two end points 300, 302, a power connector 304, and at least one indicator 306.

The two ends 300, 302 are electrically coupled to the first outlet end 206 and the second outlet end 208 of FIG. 10, respectively. The power connector 304 is electrically coupled to a power source (not shown) to provide energy when the first coil 200 and the second coil 202 are coupled. The at least one indicator 306 is configured to display an operating state of the wireless charging device. For example, the at least one indicator 306 can be a light emitting diode, and when illuminated, represents a state in charging.

In summary, in the wireless charging device of the present invention, since the first coil and the second coil are respectively accommodated in the grooves having different depths, the first coil and the second coil can have good fixability. Furthermore, since the first coil and the second coil can be modularly produced and respectively accommodated in grooves having different depths, assembly is easier.

Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of this creation is subject to the definition of the scope of the patent application attached.

10‧‧‧Substrate

20‧‧‧ coil module

30‧‧‧Power Module

Claims (9)

A wireless charging device includes: a substrate having a plurality of trenches, each of the trenches including at least one first trench and at least one second trench, the at least one first trench having a first depth, The at least one second trench has a second depth; a coil module includes a first coil and a second coil, the first coil is received in the at least one first trench, and the second coil is received The power module is disposed on the substrate and electrically coupled to the coil module, and the power module is configured to supply power to the coil module. The wireless charging device of claim 1, wherein the at least one first trench and the at least one second trench of each turn of the trench are alternately disposed. The wireless charging device of claim 1, wherein the plurality of grooves are spiral. The wireless charging device of claim 1, wherein the first coil and the second coil are spiral. The wireless charging device of claim 4, wherein the first coil and the second coil are in a symmetrical state. The wireless charging device of claim 1, wherein the first depth is different from the second depth. The wireless charging device of claim 1, wherein the coil module further comprises at least one spacer disposed between the first coil and the second coil, the at least one spacer electrically isolating the first a coil and the second coil. The wireless charging device of claim 1, wherein the first coil has a first end electrically coupled to a first outlet end, and the second coil has a first end electrically coupled to the first end A second outlet end. The wireless charging device according to claim 8, wherein the power module package The two ends are electrically coupled to the first outlet end and the second outlet end respectively; a power connector is electrically coupled to a power source to provide the first coil and the second coil coupling And the at least one indicator for displaying an operating state of the wireless charging device.