TWI527334B - Wireless charging device for car - Google Patents

Description

Car wireless charging device

The present invention relates to a charging device, and more particularly to a wireless charging device for a vehicle for wirelessly charging a mobile device.

With the advancement of technology, electronic mobile devices are becoming more and more popular, which is more important for the power supply of electronic mobile devices. In addition to wired charging, wireless charging is also one of the trends.

When the user wants to perform wireless charging, the receiving component of the mobile device needs to be aligned with the transmitting component of the wireless charging station (Base Station) to be charged. If the two components are misaligned or offset, The charging effect is not good.

In order to align the two components of the mobile device and the wireless charging board, the existing wireless charging device usually sets a suction cup or a clamping frame on the wireless charging board. However, the user needs to manually align the two components, and then the mobile device is attracted to the wireless charging board, which is not only inconvenient to use, but also has human error in operation, and cannot ensure the integrity of the charging behavior. In addition, the size of the clips required for different sizes of mobile devices is different. If the molds are made by custom molds in response to various mobile devices, the cost will be increased.

Furthermore, for the wireless charging device for a vehicle, during driving, if Users need to adjust/reverse the screen angle for various purposes (such as watching movies, navigation, etc.), no matter whether it is a suction cup or a clip frame, the two methods are not limited. After the first positioning of the mobile device, it is not easy to adjust again. The positioning angle of the mobile device to match the visual angle desired by the user.

In order to solve the above problems, the present invention provides a wireless charging device for a vehicle that facilitates adjustment of the positioning angle of the mobile device.

The invention provides a wireless charging device for a vehicle for wirelessly charging a mobile device, the mobile device comprising a receiving component and a plurality of first magnetic bodies, the plurality of first magnetic bodies being configured to be at least in one There are two first magnetic bodies in the first direction, and at least one first magnetic body in a second direction, the plurality of first magnetic bodies collectively surround the receiving component, and the wireless charging device for the vehicle comprises: a charging board carrying the mobile device, the charging board comprising a transmitting component, the transmitting component transmitting energy to the receiving component of the mobile device; and a plurality of second magnetic bodies disposed on the charging plate, the plurality of second magnetic The body corresponds to at least the two first magnetic bodies adsorbed in the first direction or/and the second direction, so that the receiving component is aligned with the transmitting component, and the first direction and the second direction respectively meet the needs of the user Different perspectives.

The present invention provides a wireless charging device for a vehicle for wirelessly charging a mobile device including a receiving component. The wireless charging device for a vehicle includes: a charging pad carrying the mobile device, the charging pad including a transmitting component, The transmitting component transmits energy to the receiving component of the mobile device; and a plurality of first magnetic bodies are disposed on the charging board, the plurality of first The magnetic body is configured to have at least one first magnetic body in a first direction and at least two first magnetic bodies in a second direction, the plurality of first magnetic bodies collectively surrounding the transmitting element; The mobile device is provided with a plurality of second magnetic bodies, and the plurality of second magnetic bodies at least correspond to the two first magnetic bodies adsorbed in the first direction or/and the second direction, so that the receiving component is aligned with the Transmitting the component, and the first direction and the second direction respectively match different viewing angles required by the user.

Therefore, the wireless charging device for a vehicle of the present invention can easily position the mobile device on the wireless charging device by the adsorption relationship between the first magnetic body and the second magnetic body without separately passing through the suction cup or the engaging frame. Adjust the positioning angle of the mobile device according to the visual angle required by the user.

1‧‧‧ mobile device

11‧‧‧ Receiving components

2‧‧‧First magnetic body

20‧‧‧Transparent stickers

3‧‧‧Charging board

31‧‧‧Transmission component

32‧‧‧Transfer unit

4‧‧‧Second magnetic body

5‧‧‧Power transmission line

6‧‧‧ protective cover

7‧‧‧ Carrier

A ₁ ‧‧‧First direction

B ₁ ‧‧‧second direction

1 is a first embodiment of a wireless charging device for a vehicle of the present invention; FIG. 2 is a second embodiment of a wireless charging device for a vehicle of the present invention; and FIG. 3 is a third embodiment of a wireless charging device for a vehicle of the present invention. 4 shows a fourth embodiment of the wireless charging device for a vehicle of the present invention; FIG. 5 shows a fifth embodiment of the wireless charging device for a vehicle of the present invention; and FIG. 6 shows a sixth embodiment of the wireless charging device for a vehicle of the present invention. Example.

The embodiments of the present invention are described below by way of specific examples, and those skilled in the art can readily appreciate the other advantages and functions of the present invention. It should be noted that the structures, proportions, sizes, etc. shown in the drawings of the present specification are only used in conjunction with the description. The contents are intended to be understood and read by persons skilled in the art, and are not intended to limit the scope of the invention, and therefore do not have technical significance, any structural modification, proportional relationship change or size adjustment, Any effect that can be achieved by the present invention and the objects that can be achieved are still within the scope of the technical contents disclosed in the present invention.

Referring to FIGS. 1 to 4, the present invention discloses a wireless charging device for a vehicle for wirelessly charging a mobile device 1. The mobile device 1 includes a receiving component 11 and is provided with a plurality of first magnetic bodies 2, the plurality The first magnetic body 2 is configured to have at least a first magnetic body 2 in a first direction A ₁ to surround the receiving element 11 together, wherein the mobile device 1 can be a mobile phone or a tablet computer.

The wireless charging device for a vehicle includes a charging board 3, a plurality of second magnetic bodies 4 disposed on the charging board 3, and a power transmission line 5 connected to the charging board.

The charging plate 3 comprises a transmitting element 31 which transmits energy to the receiving element 11 of the mobile device 1. The so-called transfer energy may be inductive, resonant or even in the form of electromagnetic waves. When transmitting energy inductively, the transmitting element 31 and the receiving element 11 are both coils.

The plurality of second magnetic bodies 4 are at least correspondingly adsorbed to the two first magnetic bodies 2 such that the receiving element 11 is aligned with the transmitting element 31. In the first embodiment shown in FIG. 1, the plurality of first magnetic bodies 2 are arranged to have two first magnetic bodies 2 in common in the first direction A ₁ (the longitudinal direction of the mobile device 1). Surrounding the receiving element 11, the plurality of second magnetic bodies 4 are also arranged to have two second magnetic bodies 4 in the first direction A ₁ (the longitudinal direction of the charging plate 3) to collectively surround the transmitting element 31, The receiving element 11 can be aligned with the transmitting element 31 by the plurality of first magnetic bodies 2 and second magnetic bodies 4. In other variations, the plurality of first magnetic bodies 2 may also be configured to have two first magnetic bodies 2 in the second direction B ₁ (the lateral direction of the mobile device 1 ) to surround the receiving element 11 in common. Thereby, the mobile device 1 can be placed laterally on the charging pad 3.

As shown in FIG. 2, the plurality of first magnetic bodies 2 are arranged to have two first magnetic bodies 2 in the first direction A ₁ (the longitudinal direction of the mobile device 1) to surround the receiving element 11 in common. The plurality of second magnetic bodies 4 are disposed such that two second magnetic bodies 4 surround the transmitting element 31 in the second direction B ₁ (the lateral direction of the charging pad 3), whereby the mobile device 1 is laterally It is placed on the charging board 3. In other variations, the plurality of first magnetic bodies 2 may also be configured to have two first magnetic bodies 2 in the second direction B ₁ (the lateral direction of the mobile device 1 ) to surround the receiving element 11 in common. The receiving element 11 can be aligned with the transmitting element 31 by the plurality of first magnetic bodies 2 and second magnetic bodies 4.

In the embodiment shown in FIG. 3, the plurality of first magnetic bodies 2 are arranged to have two first magnetic bodies 2 in the second direction B ₁ (the lateral direction of the mobile device 1) to surround the same Receiving element 11, the plurality of second magnetic bodies 4 are arranged to have two second magnetic bodies 4 in the first direction A ₁ (the longitudinal direction of the charging plate 3) and in the second direction B ₁ (the charging There are two second magnetic bodies 4 on the lateral direction of the board 3 to surround the transmitting element 31 in common, whereby the user can place the mobile device 1 directly or horizontally on the charging board 3 according to a desired visual angle. Charge to charge. In other variations, the plurality of first magnetic bodies 2 may also be configured to have two first magnetic bodies 2 in the first direction A ₁ (the longitudinal direction of the mobile device 1 ) to collectively surround the receiving element 11 . .

In the embodiment shown in FIG. 4, the plurality of first magnetic bodies 2 are arranged to have two first magnetic bodies 2 in the first direction A ₁ (the longitudinal direction of the mobile device 1) and in the first Two directions B ₁ (the lateral direction of the mobile device 1) have two first magnetic bodies 2 to collectively surround the receiving element 11, and the plurality of second magnetic bodies 4 are disposed in the first direction A ₁ (the charging There are two second magnetic bodies 4 on the longitudinal direction of the plate 3 to surround the transmitting element 31 in common, whereby the user can directly or horizontally place the mobile device 1 on the charging board 3 according to a desired visual angle. Charge it. In other variations, the plurality of second magnetic bodies 4 may also be configured to have two second magnetic bodies 4 in the second direction B ₁ (the lateral direction of the charging plate 3 ) to surround the receiving element 11 in common. .

As can be seen from Figures 1 to 4, as long as the first magnetic body 2 is disposed on the mobile device 1 at least two in its longitudinal direction or two in its lateral direction, the second magnetic body 4 The arrangement on the charging plate 3 is at least two in the longitudinal direction or two in the lateral direction thereof, between the plurality of first magnetic bodies 2 and the plurality of second magnetic bodies 4 Adsorbing with each other, the receiving component 11 of the mobile device 1 can be aligned with the transmitting component 31 of the charging plate 3, and the user can adjust the mobile device 1 relative to the wireless charging device for the vehicle according to the visual angle. The positioning angle.

It is worth mentioning that a plurality of first magnetic bodies 2 can be disposed together on a transparent sticker 20, as shown in FIG. 4, so that the relative positions of the plurality of first magnetic bodies 2 can be fixed, whereby the user only Need to set this up A plurality of transparent stickers 20 of the first magnetic body 2 are attached to the mobile device 1, and the mobile device 1 can be positioned on the charging board 3. In actual use, the first magnetic body 2 may be disposed on the mobile device 1 by using the transparent sticker 20, or the single magnetic body 2 may be attached to the mobile device 1 individually. Of course, the plurality of second magnetic bodies 4 may be disposed together on another transparent sticker, so that the user can attach the charging plate 3 to the charging plate 3, or a single second magnetic body 4 is respectively placed on the charging plate 3. .

On the other hand, the power transmission line 5 is configured to receive an external power supply and provide the same to the transmitting component 31. The charging board 3 has a conversion unit 32 coupled to the power transmission line 5 and the transmitting component 31. The external power source received by the power transmission line is converted into power (for example, 5 V) required by the transmitting element 31. In general, the power transmission line 5 receives relatively high voltage (for example, 12V) power, and in the case of constant power consumption, relatively high voltage power is transmitted to the wireless charging board at a lower current, so that Reduce the loss of power flowing through the power transmission line.

Next, a fifth embodiment of the present invention will be described with reference to FIG. 5. The mobile device 1 is covered with a protective cover 6, and the plurality of first magnetic bodies 2 are disposed on one side of the protective cover 6 toward the mobile device 1. As shown in FIG. 5, the plurality of first magnetic bodies 2 are disposed to have two first magnetic bodies 2 in the lateral direction of the protective cover 6 (which may be regarded as the second direction B ₁ in the figure). The plurality of second magnetic bodies 4 are arranged to have two second magnetic bodies 4 in the first direction A ₁ of the charging plate 3 and two second magnetic bodies 4 in the second direction B ₁ . In the present embodiment, the configuration of the plurality of first magnetic bodies 2 and the plurality of second magnetic bodies 4 also includes those described in the first to fourth embodiments. In addition, the first magnetic body 2 and the second magnetic body 4 can also be disposed on the protective cover 6 and the charging board 3 by the transparent sticker 20 and another transparent sticker.

According to a sixth embodiment of the present invention, the mobile device 1 is clamped in a carrier 7, and the plurality of first magnetic bodies 2 are disposed on one side of the carrier 7 toward the mobile device 1. As shown in FIG. 6, the plurality of first magnetic bodies 2 are arranged to have two first magnetic bodies 2 in the longitudinal direction of the carrier 7 (which may be regarded as the first direction A ₁ in this figure). The plurality of second magnetic bodies 4 are arranged to have two second magnetic bodies 4 in the first direction A ₁ of the charging plate 3 and two second magnetic bodies 4 in the second direction B ₁ . In the present embodiment, the configuration of the plurality of first magnetic bodies 2 and the plurality of second magnetic bodies 4 also includes those described in the first to fourth embodiments. In addition, the first magnetic body 2 and the second magnetic body 4 may be disposed on the carrier 7 and the charging board 3 respectively by the transparent sticker 20 and another transparent sticker.

Of course, the present invention does not limit the number of the first magnetic body 2 and the second magnetic body 4, and does not limit the angle between the first direction A ₁ and the second direction B ₁ , and further, although In various embodiments of the invention, the first direction A ₁ is the longitudinal direction of the mobile device 1 / the charging pad 3, and the second direction B ₁ is the lateral direction of the mobile device 1 / the charging pad 3, but this presents only a number of implementations Part of the example. For example, the first direction A ₁ may be parallel to the diagonal line of the upper right and lower left of the mobile device 1 / the charging board 3, and the second direction B ₁ may be opposite to the diagonal line of the upper left and the lower right of the mobile device 1 / charging board 3 parallel. In addition, in the above description, the magnetic body provided on the mobile device 1 is referred to as a first magnetic body 2, and the magnetic body disposed on the charging plate 3 is referred to as a second magnetic body 4, but only for the purpose of illustration. Except for this limitation, the magnetic body provided on the mobile device 1 is referred to as the second magnetic body 4, and the magnetic body disposed on the charging plate 3 is referred to as the first magnetic body 2.

In summary, the charging device of the present invention can adjust the positioning angle of the mobile device in accordance with the visual angle required by the user, and is not limited to the suction cup or the engaging frame of the prior art, thereby allowing the user to drive the vehicle. The utility model is convenient for operating the mobile device with one hand, but does not affect the charging behavior of the mobile wireless charging device for the mobile device, and achieves the effect of easily changing the positioning angle.

The above-described embodiments are merely illustrative of the effects of the present invention, and are not intended to limit the present invention, and those skilled in the art can carry out the above embodiments without departing from the spirit and scope of the present invention. Modifications and changes. In addition, the number of structures in the above-described plurality of embodiments is merely illustrative and is not intended to limit the present invention. Therefore, the scope of protection of the present invention should be as set forth in the appended claims.

1‧‧‧ mobile device

11‧‧‧ Receiving components

2‧‧‧First magnetic body

3‧‧‧Charging board

31‧‧‧Transmission component

32‧‧‧Transfer unit

4‧‧‧Second magnetic body

5‧‧‧Power transmission line

A ₁ ‧‧‧First direction

B ₁ ‧‧‧second direction

Claims (16)

A wireless charging device for a vehicle for wirelessly charging a mobile device including a receiving component, the wireless charging device for the vehicle comprising: a charging plate carrying the mobile device, the charging plate comprising a transmitting component, the transmitting component Transmitting energy to the receiving component of the mobile device; and a plurality of first magnetic bodies disposed on the charging plate, the plurality of first magnetic bodies being configured to have at least one first magnetic body in a first direction, And at least in a second direction, there are two first magnetic bodies, the plurality of first magnetic bodies collectively surrounding the transmitting element; wherein the mobile device is provided with a plurality of second magnetic bodies, the plurality of second magnetic bodies Corresponding at least corresponding to the two first magnetic bodies adsorbed in the first direction or/and the second direction, the receiving component is aligned with the transmitting component, and the first direction and the second direction respectively meet the requirements of the user Different perspectives. The vehicular wireless charging device of claim 1, wherein the plurality of second magnetic bodies are configured to have at least two second magnetic bodies in the first direction and at least in a second direction Two second magnetic bodies. The vehicular wireless charging device of claim 2, wherein the first direction is perpendicular to the second direction. The vehicular wireless charging device according to claim 1 or 2, wherein the first direction is a longitudinal direction of the charging board and the mobile device, and the second direction is the charging board and the mobile device Horizontal The first direction is substantially perpendicular to the second direction. The vehicular wireless charging device of claim 1, wherein the charging board is connected to a power transmission line for receiving an external power source and providing the transmitting element. The vehicular wireless charging device of claim 5, wherein the charging board has a conversion unit coupled to the power transmission line and the transmitting component for receiving the external power source of the power transmission line. After conversion, it is transferred to the transmitting component. The vehicular wireless charging device of claim 1, wherein the mobile device is covered with a protective cover, and the plurality of second magnetic bodies are disposed on a side of the protective cover facing the mobile device. The vehicular wireless charging device of claim 1, wherein the mobile device is clamped in a carrier, and the plurality of second magnetic bodies are disposed on a side of the carrier facing the mobile device. A wireless charging device for a vehicle for wirelessly charging a mobile device, the mobile device comprising a receiving component and a plurality of first magnetic bodies, the plurality of first magnetic bodies being configured to be at least in a first party There are two first magnetic bodies upwardly, and at least one first magnetic body in a second direction, the plurality of first magnetic bodies collectively surround the receiving component, and the wireless charging device for the vehicle comprises: a charging board, Carrying the mobile device, the charging board includes a transmitting component, the transmitting component transmits energy to the receiving component of the mobile device; and a plurality of second magnetic bodies are disposed on the charging board, the plurality of The second magnetic body at least corresponds to the two first magnetic bodies adsorbed in the first direction or/and the second direction, so that the receiving component is aligned with the transmitting component, and the first direction and the second direction are respectively used together Different perspectives required. The vehicular wireless charging device of claim 9, wherein the plurality of second magnetic bodies are configured to have at least two second magnetic bodies in the first direction and at least in a second direction Two second magnetic bodies. The vehicular wireless charging device of claim 10, wherein the first direction is perpendicular to the second direction. The vehicular wireless charging device according to claim 9 or 10, wherein the first direction is a longitudinal direction of the charging board and the mobile device, and the second direction is the charging board and the mobile device. In the lateral direction, the first direction is substantially perpendicular to the second direction. The vehicular wireless charging device of claim 9, wherein the charging board is connected to a power transmission line for receiving an external power source and providing the transmitting element. The vehicular wireless charging device of claim 13, wherein the charging board has a converting unit coupled to the power transmission line and the transmitting component for receiving the external power source of the power transmission line. After conversion, it is transferred to the transmitting component. The vehicular wireless charging device of claim 9, wherein the mobile device is covered with a protective cover, and the plurality of first magnetic bodies are disposed on a side of the protective cover facing the mobile device. The vehicular wireless charging device of claim 9, wherein the mobile device is clamped in a carrier, and the plurality of first magnetic bodies are disposed on a side of the carrier facing the mobile device.