KR102602283B1 - Wireless charger - Google Patents

Abstract

The present invention relates to a wireless charger.
According to an embodiment of the present invention, when portable storage is necessary, the rear plate can be rotated in the closed direction, and when it is necessary to stand up for charging the device to be charged, the rear plate can be rotated in the open direction. Disclosed is a wireless charger configured to support the load of a device to be charged by rotating a support unit installed on the inner side of the lower portion toward the front in a use state.

Description

Wireless charger {WIRELESS CHARGER}

The present invention relates to a wireless charger, which is configured so that the back plate can be rotated in a closed direction when portable storage is required, and the rear plate can be rotated in an open direction when it is necessary to stand up for charging the device to be charged. This relates to a wireless charger configured to support the load of the device to be charged by rotating the support installed on the inside of the lower portion toward the front when in use for charging.

Wireless chargers are used to charge the batteries of wireless terminals such as smartphones and tablet PCs. A wireless charger uses a power transmission coil installed inside the charging surface to wirelessly transmit power to a power reception coil built into the wireless terminal.

A number of wireless chargers have been proposed that have a structure in which the wireless terminal is mounted at an inclined angle so that the wireless terminal can be used even during the charging process.

As an example of this prior art, Republic of Korea Patent No. 10-1285084 (July 5, 2013) has a charging unit that can wirelessly charge a mobile terminal inserted into a receiving groove formed in the main body, making it convenient to carry and placed on a support stand. proposed a configuration in which the charging part is arranged at an angle with respect to the main body.

As an example of another prior art, Korea Registered Utility Model No. 20-0467441 (June 7, 2013), a main body that generates and transmits high frequencies from a commercial power source and charges wirelessly by mounting a portable terminal; A first support portion connected to the main body through a rotation device and supporting the main body; And a second support part connected to the first support part to support the main body and the first support part, and proposed a configuration that can be mounted in the vertical and horizontal directions.

As an example of another prior art, Republic of Korea Patent No. 10-2121102 (June 3, 2020), a plate-shaped base seated on the floor; A support that rotates upward while being stacked on the upper surface of the base and has a holder for holding a portable electronic device and a wireless charging unit for wirelessly charging the portable electronic device; a rotation axis mounted on a boundary between the support and the base to rotate the support upward; A configuration including a pedestal protruding from the lower area of the holder to support the portable electronic device was proposed.

However, these prior technologies either failed to propose a configuration that made it easy to carry and store the wireless charger when going out or on a business trip, or even if they proposed a configuration that took portable storage into consideration, the configuration was complicated or there were limitations in providing an attractive appearance. .

Republic of Korea registered patent 10-1285084 (July 5, 2013) Republic of Korea registered utility model 20-0467441 (June 7, 2013) Republic of Korea registered patent 10-2121102 (June 3, 2020)

The present invention was developed in consideration of the above problems. When portable storage is necessary, the rear plate can be rotated in the closed direction, and when it is necessary to stand up for charging the device to be charged, the rear plate can be rotated in the open direction. The purpose is to provide a wireless charger configured to support the load of the device to be charged by rotating the support installed on the lower inner side toward the front when used for charging.

According to one aspect of the present invention for achieving the above object, the front plate part constituting the charging surface; a side portion that is connected and joined along an edge of the front plate portion and is formed to have a predetermined width in the front-back direction; a rear plate portion installed to cover the rear side of the side portion and coupled to a first hinge element installed on the upper side of the side portion to be rotatable in an open or closed direction; A support portion that is coupled to a second hinge element installed on the lower side of the side portion and can be rotated in a use or non-use direction, and is installed to support the load of the charging target device on the lower side of the front plate portion when rotated in the use direction. ; and a charging circuit unit installed inside the space surrounded by the front plate portion and the side portion, and providing a wireless charging function to the front plate portion. When portable storage is required, the rear plate portion is centered around the first hinge element. A first angle state is achieved by rotating in the closed direction, and when it is necessary to stand up for charging the device to be charged, the back plate portion is rotated in an open direction around the first hinge element to form a second angle state. A configured wireless charger is disclosed.

Preferably, in the first angle state, a third angle state is formed in which the support portion is rotated in an unused direction around the second hinge element, and in the second angle state, the support portion is in use around the second hinge element. It is configured to achieve a fourth angle state rotated in the direction.

Preferably, in the third angle state, the support portion is stored within a space surrounded by the front plate portion and the side portion.

Preferably, in the fourth angle state, a portion of the support portion covers the lower end of the side portion, and another portion of the support portion is configured to extend forward and protrude from the lower side of the front plate portion.

Preferably, in the fourth angle state, another locking element provided on the inside of the side portion engages with the locking element formed on the second hinge element engagement side portion of the support portion by elastic deformation, thereby maintaining the fourth angle state. It is configured to make it possible.

Preferably, in the first angle state, another locking element provided inside the side portion is engaged with the locking element formed on the lower end side of the rear plate portion by elastic deformation, so that the first angle state can be maintained. do.

Preferably, in the second angle state, another locking element provided on the inside of the side portion is engaged with the locking element formed on the first hinge element engaging side portion of the rear plate portion by elastic deformation, thereby maintaining the second angle state. It is constructed to be maintainable.

Preferably, the locking element formed on the first hinge element coupling side of the rear plate portion is a locking protrusion, and another locking element provided on the inside of the side portion is a locking groove, and the locking groove has a multi-stage groove structure with two or more locking grooves. It is configured to enable multi-stage control of the second angle state of the rear plate portion at two or more angles around the first hinge element.

Preferably, the present invention is configured to further include a USB memory storage unit installed inside the space surrounded by the front plate portion and the side portion and capable of storing and storing the USB memory in a structure that supports at least one side of the USB memory.

Preferably, an information tag capable of transmitting tag information by performing short-distance wireless communication with a charging device supported on the support is attached to the inside of the front plate.

This invention is configured so that the rear plate can be rotated in the closed direction when portable storage is necessary, and the rear plate can be rotated in the open direction when it is necessary to stand up for charging the device to be charged, so the wireless charger You can easily switch between portable storage mode and rechargeable mode.

In addition, the present invention is configured to support the load of the device to be charged by rotating the base installed on the inside of the lower part toward the front when in use for charging, and since the base does not protrude to the outside in the closed state for portable storage, it can be carried easily. It provides a simple and beautiful appearance when stored.

1 is a rear perspective view of a wireless charger according to an embodiment of the present invention;
Figure 2 is a perspective view of the wireless charger in a rear-open state according to an embodiment of the present invention;
Figure 3 is another perspective view of the wireless charger in a rear-open state according to an embodiment of the present invention;
Figure 4 is a perspective view of the wireless charger in use in the front direction according to an embodiment of the present invention;
5 is a partial cross-sectional perspective view of a wireless charger according to an embodiment of the present invention;
Figure 6 is another partial cross-sectional perspective view of a wireless charger according to an embodiment of the present invention;
Figure 7 is a perspective view of the base of the wireless charger according to an embodiment of the present invention;
8 is a side cross-sectional view of a wireless charger according to an embodiment of the present invention;
9 is a partial cross-sectional perspective view of a wireless charger according to an embodiment of the present invention;
Figure 10 is a partial rear perspective view of a wireless charger according to an embodiment of the present invention.

The present invention can be implemented in various other forms without departing from its technical spirit or main features. Accordingly, the embodiments of the present invention are merely examples in all respects and should not be construed as limited.

Terms such as first, second, etc. are used only for the purpose of distinguishing one component from another component. For example, a first component may be named a second component, and similarly, the second component may also be named a first component without departing from the scope of the present invention.

When a component is referred to as being “connected” or “connected” to another component, it may be directly connected to or connected to the other component, but other components may also exist in between.

As used in this application, singular expressions include plural expressions, unless the context clearly dictates otherwise. In this application, terms such as “comprise”, “provide”, “have”, etc. are intended to express the presence of the components described in the specification or a combination thereof, but do not indicate the possibility that other components or features may be present or added. It is not excluded in advance.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the attached drawings.

1 is a rear perspective view of a wireless charger according to an embodiment of the present invention, FIG. 2 is a rear perspective view of a wireless charger in an open state according to an embodiment of the present invention, and FIG. 3 is a rear view of a wireless charger according to an embodiment of the present invention. Another perspective view in the direction open state, Figure 4 is a perspective view of the wireless charger in the front direction use state according to an embodiment of the present invention, Figure 5 is a partial cross-sectional perspective view of the wireless charger according to an embodiment of the present invention, Figure 6 is an implementation of the present invention Another partial cross-sectional perspective view of a wireless charger according to an example, Figure 7 is a perspective view of the base of a wireless charger according to an embodiment of the present invention, Figure 8 is a side cross-sectional view of a wireless charger according to an embodiment of the present invention, and Figure 9 is a cross-sectional view of the wireless charger according to an embodiment of the present invention. Figure 10 is a partial cross-sectional perspective view of the wireless charger according to an embodiment of the present invention. Figure 10 is a partial rear perspective view of the wireless charger according to an embodiment of the present invention.

In the wireless charger of this embodiment, when portable storage is necessary, the rear plate portion 30 is rotated in the closed direction, and when it is necessary to stand up for charging the charging target device (M), the rear plate portion 30 is rotated in the open direction. It is configured to be able to rotate, and is configured to support the load of the charging target device (M) by rotating the support portion 40 installed on the lower inner side toward the front side in a state of use for charging. For example, the charging target device M may be a typical wireless terminal such as a smartphone or tablet PC with a built-in power reception coil.

To this end, the wireless charger of this embodiment includes a front plate portion 10, a side portion 20, a rear plate portion 30, a support portion 40, and a charging circuit portion 50. For example, the front plate portion 10, the side portion 20, the rear plate portion 30, and the support portion 40 may be made of synthetic resin, and the charging circuit portion 50 may be formed on a PCB board to form a charging circuit to be described later. It may be configured to include circuit elements.

The front plate portion 10 constitutes a charging surface. A charging circuit unit 50 is installed inside the charging surface. For example, the charging circuit unit 50 includes a power supply unit that is connected to an external commercial power source and receives external power, a power conversion unit that converts the voltage/current of the supplied power and also converts direct current/alternating current, and a power converted power source. It includes a power transmission coil that receives power and converts it into wireless power for wireless charging, and a control unit for on/off and operation control of each of these elements. When power is applied to the power transmission coil while the charging surface of the charging target device (M) is in contact with or close to the front side of the charging surface of the wireless charger of this embodiment, the power receiving coil built into the charging target device (M) transmits power wirelessly.

The side portion 20 is connected and joined along the edge of the front plate portion 10 and is formed to have a predetermined width in the front-back direction. One side of the side portion 20 is provided with a connection connector (AH) for connecting to an external commercial power source and receiving external power supply.

The back plate portion 30 is installed to cover the rear side of the side portion 20, and is coupled to the first hinge element 21 installed on the upper side of the side portion 20 so that it can be rotated in the open or closed direction. do. For example, the first hinge element 21 may be configured in the form of a hinge shaft coupling portion installed on the upper side of the side portion 20, but is not limited thereto. For example, the hinge axis formed on the back plate portion 30 may be coupled to the first hinge element 21 .

The support portion 40 is coupled to the second hinge element 22 installed on the lower side of the side portion 20 and can be rotated in a use or non-use direction, and when rotated in the use direction, the front plate portion 10 It is installed on the lower side to support the load of the charging target device (M). For example, the second hinge element 22 may be configured in the form of a hinge shaft coupling portion installed on the lower side of the side portion 20, but is not limited thereto. For example, the hinge shaft 43 formed on the support portion 40 may be coupled to the second hinge element 22 .

The charging circuit unit 50 is installed inside the space (S) surrounded by the front panel 10 and the side part 20, and provides a wireless charging function to the front panel 10.

Through this configuration, when portable storage is required, the wireless charger of this embodiment forms a first angle state (A1) in which the rear plate portion 30 is rotated in the closed direction around the first hinge element 21, When it is necessary to stand up for charging the charging target device (M), the rear plate portion (30) can be rotated in the open direction around the first hinge element (21) to form a second angle state (A2). . The first angle state A1 may be understood as the state in FIG. 1. The second angle state A2 may be understood as the state of FIG. 2, FIG. 3, FIG. 4, or FIG. 9.

In particular, the wireless charger of this embodiment forms a third angular state (A3) in which the support portion 40 is rotated in an unused direction around the second hinge element 22 in the first angular state A1. , In the second angle state A2, a fourth angle state A4 in which the support portion 40 is rotated in the use direction around the second hinge element 22 can be formed.

In the third angle state A3, the support portion 40 is stored in the space S surrounded by the front plate portion 10 and the side portion 20. The third angle state (A3) may be understood as the state of Figure 1, Figure 2, or Figure 5 (a). For example, in the third angle state A3, the back plate portion 30 can be rotated in the closing direction to achieve the first angle state A1.

In the fourth angle state A4, a portion 40a of the support portion 40 covers the lower portion 20a of the side portion 20, and another portion 40b of the support portion 40 covers the lower portion 20a of the side portion 20. It is configured to extend and protrude forward from the lower side of the front plate portion 10. The fourth angle state (A4) can be understood as the state of Figure 3, Figure 4, or Figure 5 (b). For example, the fourth angle state A4 can be achieved by rotating the support portion 40 in the third angle state A3 of FIG. 5 (a) by 270 degrees in the direction of the arrow in FIG. 5 (b).

Meanwhile, in the fourth angle state (A4), another locking element ( 25) is engaged by elastic deformation and is configured to maintain the fourth angle state A4. This state can be understood as the state in FIG. 5(b) or FIG. 6.

Meanwhile, in the first angle state (A1), another locking element 26 provided inside the side portion 20 is elastically deformed to the locking element 36 formed on the lower end side of the back plate portion 30. By locking, it is configured to maintain the first angle state (A1). This state can be understood as the state in FIG. 8. For example, the locking elements 26 and 36 may be configured in the form of a locking protrusion and a locking groove.

Meanwhile, in the second angle state (A2), another locking element (38) formed on the engaging side portion of the first hinge element (21) of the back plate portion (30) is provided on the inside of the side portion (20). 28) is engaged by elastic deformation and is configured to maintain the second angle state (A2).

In more detail, the locking element 38 formed on the coupling side portion of the first hinge element 21 of the rear plate portion 30 is a locking protrusion, and another locking element 28 provided on the inside of the side portion 20 is It is a locking groove, and the locking groove has two or more locking grooves (h) formed in a multi-stage groove structure, so that the second angular state (A2) of the rear plate portion (30) centered on the first hinge element (21) is 2. It is configured to enable multi-stage control at the above angles. This state can be understood as the state in FIG. 9.

Meanwhile, the wireless charger of this embodiment is installed inside the space (S) surrounded by the front plate portion (10) and the side portion (20) and is provided with a USB memory storage portion (60) that can accommodate and store the USB memory (U). It could be. For example, the USB storage unit 60 may include a side support part 60a that supports the side of the USB memory U and a lower support part 60b that supports the lower surface. For example, the USB memory U may be inserted into the USB storage unit 60 and supported on at least one side by contact pressure.

Meanwhile, on the inside of the front plate 10 of the wireless charger of this embodiment, an information tag (NT) capable of transmitting tag information by performing short-distance wireless communication with the charging target device (M) supported on the base 40 ) can be attached. For example, the information tag (NT) may be a Near Field Communication (NFC) tag attached in the form of a sticker. When the device to be charged (M) is placed in a state supported by the base portion 40 in contact with the front panel 10 of the wireless charger, the application installed on the device to be charged (M) recognizes the information tag (NT) Operations can be performed according to various control information recorded in the information tag (NT). Examples of such operations may include accessing a specific URL, displaying information provided by the URL, and executing preset control operations on the charging device (M) (e.g., displaying a specific screen, outputting a specific voice), etc.

The process of using the wireless charger of this embodiment will be described.

When the user needs to carry and store the wireless charger in a bag, etc., the rear plate portion 30 is stored by rotating it in the closed direction as shown in FIG. 1.

When the user needs to stand up the wireless charger to charge the charging target device (M), the back plate part 30 is rotated in the open direction as shown in FIG. 2, and the support part 40 is shown in FIG. 3. ) to the direction of use. In this state, as shown in FIG. 4, the user places the charging target device (M) on the upper side of the support unit 40 and performs a power application operation (or power connection) to transmit power from the power transmission coil of the charging circuit unit 50. Charging is accomplished by wirelessly transmitting power to the power receiving coil of the charging device (M).

If the user wants to use the charging target device (M) during the charging process, the second angle state (A2) of the rear panel portion (30) is controlled in multiple steps to an angle of 2 or more, and manipulated to an angle that is good for viewing the device screen. can do.

If the user needs to carry and store the wireless charger in a bag, etc., the wireless charger can be placed in the closed state shown in FIG. 1 by operating in the reverse order of the above process.

Although the present invention has been described with a focus on preferred embodiments with reference to the accompanying drawings, it is clear to those skilled in the art that many various and obvious modifications can be made from this description without departing from the scope of the present invention. Accordingly, the scope of the present invention should be interpreted by the stated claims to include these many modifications.

10: Front plate part
20: side part
21: first hinge element
22: second hinge element
30: rear plate part
40: base
50: Charging circuit part
25,26,28,36,38,45: Jamming element
S: inside space

Claims (10)

A front plate portion constituting the charging surface;
a side portion that is connected and joined along an edge of the front plate portion and is formed to have a predetermined width in the front-back direction;
a rear plate portion installed to cover the rear side of the side portion and coupled to a first hinge element installed on the upper side of the side portion to be rotatable in an open or closed direction;
It is coupled to a second hinge element installed on the lower side of the side portion and can be rotated in a use or unused direction, and while rotated in the use direction, the load of the charging target device can be supported on the lower side of the front plate portion and can be rotated in a non-use direction. a support portion installed so as to be accommodated within a space surrounded by the front plate portion and the side portion in a state of being accommodated; and
It is installed inside the space surrounded by the front panel and the side portion, and includes a charging circuit for providing a wireless charging function to the front panel,
When portable storage is required, the rear plate portion is rotated in a closed direction around the first hinge element to form a first angle state,
A wireless charger configured to achieve a second angle state in which the back plate portion is rotated in an open direction around the first hinge element when it is necessary to stand up to charge the device to be charged.
According to paragraph 1,
In the first angle state, the support portion is rotated in an unused direction around the second hinge element to form a third angle state,
In the second angle state, the wireless charger is configured to achieve a fourth angle state in which the base portion is rotated in a use direction around the second hinge element.
According to paragraph 2,
A wireless charger, characterized in that in the third angle state, the support portion is stored inside a space surrounded by the front plate portion and the side portion.
According to paragraph 2,
A wireless charger, characterized in that in the fourth angle state, a portion of the support portion covers a lower portion of the side portion, and another portion of the support portion extends forward and protrudes from a lower side of the front plate portion.
According to paragraph 2,
In the fourth angle state, another locking element provided inside the side portion is engaged with the locking element formed on the second hinge element engagement side portion of the support portion by elastic deformation, so that the fourth angle state can be maintained. A wireless charger characterized in that.
According to paragraph 1,
In the first angle state, another locking element provided on the inside of the side portion is engaged with the locking element formed on the lower end side of the rear plate portion by elastic deformation, and is configured to maintain the first angle state. A wireless charger.
According to paragraph 1,
In the second angle state, another locking element provided on the inside of the side portion engages with the locking element formed on the first hinge element engagement side of the rear plate portion by elastic deformation, so that the second angle state can be maintained. A wireless charger characterized by a configuration.
In clause 7,
The locking element formed on the first hinge element coupling side of the rear plate portion is a locking protrusion,
Another locking element provided on the inside of the side portion is a locking groove,
The locking groove is formed in a multi-stage groove structure with two or more locking grooves, so that the second angle state of the rear plate portion can be controlled in multiple stages at two or more angles with the first hinge element as the center. A wireless charger.
According to paragraph 1,
The wireless charger further includes a USB memory storage unit installed inside the space surrounded by the front plate unit and the side unit and capable of receiving and storing the USB memory in a structure that supports at least one side of the USB memory.
According to paragraph 1,
A wireless charger, characterized in that an information tag is attached to the inside of the front plate portion, capable of transmitting tag information by performing short-distance wireless communication with a device to be charged while supported on the base.

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