KR20150084599A - Charger for mobile terminal - Google Patents

Charger for mobile terminal Download PDF

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Publication number
KR20150084599A
KR20150084599A KR1020140004757A KR20140004757A KR20150084599A KR 20150084599 A KR20150084599 A KR 20150084599A KR 1020140004757 A KR1020140004757 A KR 1020140004757A KR 20140004757 A KR20140004757 A KR 20140004757A KR 20150084599 A KR20150084599 A KR 20150084599A
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KR
South Korea
Prior art keywords
power
mobile terminal
unit
cover
pedestal
Prior art date
Application number
KR1020140004757A
Other languages
Korean (ko)
Inventor
궁호경
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020140004757A priority Critical patent/KR20150084599A/en
Publication of KR20150084599A publication Critical patent/KR20150084599A/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The present invention relates to a charger for a mobile terminal. It includes a cover which partly surrounds the back side of a mobile terminal, a support member combined with the cover, a support unit for supporting the support member, and a fixing member for combining the cover and the support member. The support member includes a first hinge shaft combined with the fixing member and first and second members which are extended from the first hinge shaft and has an angle to the center of the first hinge shaft.

Description

[0001] CHARGER FOR MOBILE TERMINAL [0002]

The present invention relates to a charger of a mobile terminal, and more particularly, to a charger of a mobile terminal for supporting a mobile terminal and facilitating photographing.

A terminal can be divided into a mobile terminal (mobile / portable terminal) and a stationary terminal according to whether the terminal can be moved. The mobile terminal can be divided into a handheld terminal and a vehicle mount terminal according to whether the user can directly carry the mobile terminal.

Such a terminal has various functions, for example, in the form of a multimedia device having multiple functions such as photographing and photographing of a moving picture, reproduction of a music or video file, reception of a game and broadcasting, etc. .

In order to support and enhance the functionality of such terminals, it may be considered to improve the structural and / or software parts of the terminal.

The mobile terminal may be provided with a rechargeable battery to support portability. In order to increase the convenience of the user in the method of charging the battery with electric power, a method of wirelessly transmitting and receiving electric power has been developed. It is necessary to study a method of further considering the convenience of the terminal user.

In addition, when a camera of a mobile terminal is used, a tripod may be required, and even if a tripod is used, there is no separate device for mounting the mobile terminal.

It is an object of the present invention to provide a charger of a mobile terminal capable of connecting a tripod while restricting the mobile terminal.

In order to achieve the above object, the present invention provides a portable terminal including a cover for covering a part of a rear surface of a mobile terminal, a support member to which the cover is coupled, a pedestal for supporting the support member, and a fixing member for coupling the cover to the support member And the support member includes a first member and a second member that are formed to extend from a first hinge axis and a first hinge axis to which the fixing member is coupled and are formed to have a predetermined angle about the first hinge axis A charger of the mobile terminal can be provided.

The first member and the second member may each have a pair of legs formed parallel to each other, and the legs may be connected by a first connecting member and a second connecting member, respectively.

The fixing member may include an insertion portion inserted through the rear surface of the cover, a plate extending from the insertion portion and contacting the rear surface of the cover, and a plate protruding from the plate and fixedly attached to the first hinge axis A pair of protrusions.

A recessed space is provided at one side of the pedestal, both ends of a second hinge axis are inserted into both sides of the space, and a pair of legs of the first member can be coupled to the second hinge axis.

The pedestal has a plurality of lines parallel to the second connecting member, and the second connecting member can be placed between the lines.

A hole is formed at one side of the pedestal, and a protrusion formed on the base plate of the tripod is inserted and fixed to the hole, so that a tripod can be coupled.

A battery charging part capable of charging a removable battery may be formed at one end of the pedestal, and a charging port connected to a power source may be formed at the other end of the pedestal.

The cover may have wings at both ends thereof to surround the mobile terminal or the pedestal.

In addition, the charger includes a power supply unit for supplying power to the charger and a power transmission unit for transmitting the power supplied from the power supply unit to the mobile terminal, and the power transmission unit supplies power from the power supply unit A power conversion unit for converting the power into a wireless power signal and a power transmission control unit for controlling the components included in the power transmission unit.

The mobile terminal includes a power supply unit for supplying power required for operation of the mobile terminal, and the power supply unit includes a power receiver for receiving power transmitted from the charger to the wireless terminal, And a power receiving control unit for controlling the components included in the power supply unit.

And a Power Communications Modulation / Demodulation Unit that is electrically connected to the power conversion unit and demodulates the wireless power signal modulated by the mobile terminal to receive the power control message.

The mobile terminal may further include a power communication modulation / demodulation unit electrically connected to the power receiving unit to transmit the power control message through the wireless power signal.

Effects of the mobile terminal and the control method according to the present invention will be described as follows.

According to at least one embodiment of the present invention, a tripod can be utilized in a mobile terminal, and it is possible to rotate not only a simple stationary mobile phone but also a stationary angle.

The effects obtained by the present invention are not limited to the above-mentioned effects, and other effects not mentioned can be clearly understood by those skilled in the art from the following description will be.

1 is a front perspective view of a charger according to an embodiment of the present invention.
2 is a rear perspective view of a charger according to an embodiment of the present invention.
FIG. 3 is a perspective view of a configuration in which a mobile terminal is mounted on a charger according to an embodiment of the present invention.
4 is a view illustrating a state where a charger equipped with a mobile terminal is mounted on a tripod according to an embodiment of the present invention.
5 is a view for explaining a storage state of a charger according to an embodiment of the present invention.
6 is a block diagram illustrating a configuration of a mobile terminal and a charger according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals are used to designate identical or similar elements, and redundant description thereof will be omitted. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role. In the following description of the embodiments of the present invention, a detailed description of related arts will be omitted when it is determined that the gist of the embodiments disclosed herein may be blurred. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. , ≪ / RTI > equivalents, and alternatives.

Terms including ordinals, such as first, second, etc., may be used to describe various elements, but the elements are not limited to these terms. The terms are used only for the purpose of distinguishing one component from another.

The singular expressions include plural expressions unless the context clearly dictates otherwise.

In this specification, the terms "comprises" or "having ", and the like, are intended to specify the presence of stated features, integers, steps, operations, elements, parts, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Hereinafter, the charger 200 of the mobile terminal 100 according to an embodiment of the present invention will be described in more detail.

The mobile terminal described in this specification includes a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), a navigation device, a slate PC A tablet PC, an ultrabook, a wearable device such as a smartwatch, a smart glass, and a head mounted display (HMD). have.

However, it will be appreciated by those skilled in the art that the configuration according to the embodiments described herein may be applied to fixed terminals such as a digital TV, a desktop computer, a digital signage, and the like, will be.

1 is a front perspective view of a charger 200 of a mobile terminal 100 according to an embodiment of the present invention. FIG. 2 is a rear perspective view of a charger 200 according to an embodiment of the present invention. 1 is a perspective view of a mobile terminal 100 according to an embodiment of the present invention, which is mounted on a charger 200, which will be described with reference to FIGS. 1 to 3. FIG.

The front surface means the portion where the front surface of the mobile terminal 100 is visible when the mobile terminal 100 is placed on the charger 200 and the rear surface means the portion where the mobile terminal 100 is connected to the charger 200 200, the rear side of the mobile terminal 100 is visible.

In an embodiment of the present invention, the charger 200 of the mobile terminal 100, which can mount the mobile terminal 100 and is rotatable while the mobile terminal 100 is stationary, do.

The charger 200 includes a cover 230 surrounding a rear portion of the mobile terminal 100, a support member 220 to which the cover 230 is coupled, And the cover 230 is coupled to the support member 220 by a fixing member 240. The support member 220 includes a first hinge shaft 227 to which the fixing member 240 is coupled and a second hinge shaft 227 extending from the first hinge shaft 227, The first member 222 and the second member 223 are formed to have an angle of < RTI ID = 0.0 >

The first member 222 is fixed to the pedestal 210 by a second hinge shaft 221 and the second member 223 is formed to be movable on the pedestal 210. The cover 230 does not need to cover the entire rear surface of the mobile terminal 100 but may be large enough to fix the mobile terminal 100. [

The cover 230 is fixed to the first hinge shaft 227 by a fixing member 240. The fixing member 240 includes an insertion portion 243 inserted through the rear surface of the cover 230, A plate 241 contacting the rear surface of the cover 230 and a pair of protrusions 242 projecting from the plate 241 and coupled to the first hinge shaft 227. 5, the cover 230 may be detached from the fixing member 240 and attached to the pedestal 210, as shown in FIG. 5. In this case, the cover 230 may be separated from the fixing member 240, . The fixing member 240 is always engaged with the first hinge shaft 227.

The cover 230 is rotatable about the insertion portion 243.

Both ends of the cover 230 have a substantially "C" shape so as to cover the side surface and a part of the front surface of the mobile terminal 100. 5, both ends of the cover 230 are formed with a wing portion 231 to cover the pedestal 210 or the mobile terminal 100. As shown in FIG. The through hole 232 formed in the cover 230 has a size similar to that of the insertion portion 243 so that the fixing member 240 is prevented from being inserted into the cover 230. Thus, it is possible to rotate 360 degrees on a plane parallel to the rear surface of the mobile terminal 100.

The cover 230 is coupled to the first hinge shaft 227 by the fixing member 240 and the fixing member 240 can rotate freely about the first hinge shaft 227 Do. That is, the cover 230 is coupled to the first hinge shaft 227 of the support member 220 by the projecting portion 242, and the fixing member 240 is fixed to the center of the first hinge shaft 227 So that the cover 230 can be rotated together. At this time, the rotation is performed within a range excluding an acute angle formed by the first member 222 and the second member 223.

The first member 222 and the second member 223 are spaced apart from each other at a predetermined interval and are formed parallel to each other to be stably supported. And the legs 223a and 223b of the second member 223 are connected to each other by the second linking member 224. The first linking member 226 is connected to the second linking members 222a and 222b.

5, the support member 220 may be folded. To this end, the support member 220 may be folded to the second hinge axis 210. In this case, (221) is fixed to the pedestal (210), and the second connecting member (224) can be moved.

One end of the second hinge shaft 221 is inserted and fixed to both sides of the space 215 and the first member 222 The legs 222a and 222b of the second hinge shaft 221 are coupled to the second hinge shaft 221 so as to be freely rotatable. As the second member 223 is moved, the size of the angle formed by the first member 222 and the second member 223 can be adjusted.

At this time, the pedestal 210 is formed with a plurality of lines 225 parallel to the second connection member 224 so that the second connection member 224 is positioned. In FIGS. 1 and 2, the lines 225 are spaced apart from each other by a predetermined distance. That is, in FIGS. 1 and 2, two lines 225a and 225b adjacent to each other form a space 211, and the second connection member 224 is positioned in the space 211.

A plurality of grooves are formed in the pedestal 210 and a second connecting member 224 in the form of a bar is inserted into the groove so that the cover 230 and the supporting member 220 ). ≪ / RTI >

Meanwhile, in an embodiment of the present invention, the charger 200 can be mounted on the tripod 300, which will be described with reference to FIG. Referring to FIG. 4, the tripod 300 has three legs 320, and an adjusting screw 330 for adjusting the height is provided on an intersection of the legs 320, A base plate 310 is provided. The base plate 310 is in contact with the lower end surface of the charger 200 and the base plate 310 is formed with a projection 311.

A hole 270 is formed in the lower end of the pedestal 210 so as to correspond to the protrusion 311 and a protrusion 311 formed in the base plate 310 of the tripod 300 is inserted and fixed to the hole 270 .

A battery charging part 250 for charging a removable battery is formed at one end of the pedestal 210 and a charging port 260 connected to a power source for electrically connecting the charging device 200 to the other end. .

As shown in FIG. 2, the battery charging unit 250 is formed at the upper end of the pedestal 210, so that the entire removable battery does not need to be inserted, thereby occupying a minimum space. A button 255 is provided on one side of the battery charging unit 250 to allow the battery to be mounted and detached. For example, when the detachable battery is inserted into the battery charging unit 250, the button 255 is moved to prevent the battery from being released to the outside. The battery is removed by moving it in the opposite direction.

The charger 200 of the mobile terminal 100 according to an exemplary embodiment of the present invention may wirelessly charge the battery of the mobile terminal 100 by wirelessly transmitting electric power although it may be wired. In addition, the charger 200 of the mobile terminal 100 may be implemented as various types of devices that transmit power to the mobile terminal 100 that requires power in a non-contact state.

Hereinafter, an example of wireless charging will be described with reference to FIG.

The charger 200 according to an embodiment of the present invention includes a power transmission unit 290 including a power conversion unit 291 and a power transmission control unit 292. [ ).

The power conversion unit 291 converts the power supplied from the transmission power supply unit 280 into a wireless power signal and transmits the wireless power signal to the mobile terminal 100. The RF power signal transmitted by the power converter 291 is formed in the form of a magnetic field or an electro-magnetic field having oscillation characteristics. For this, the power converter 291 may be configured to include a coil for generating the wireless power signal.

The power conversion unit 291 may include components for forming different types of wireless power signals according to each power transmission scheme.

In some embodiments, the power converter 291 may be configured to include a primary coil that forms a varying magnetic field to induce a current in the secondary coil of the mobile terminal 100 according to an inductive coupling scheme . In some embodiments, the power conversion unit 291 includes a coil (or antenna) that forms a magnetic field having a specific resonance frequency to generate a resonance phenomenon in the mobile terminal 100 according to a resonance coupling scheme .

Also, in some embodiments, the power converter 291 may transmit power using one or more of the inductive coupling method and the resonant coupling method described above.

The power conversion unit 291 may further include a circuit for adjusting characteristics of a frequency, an applied voltage, and a current used for forming the wireless power signal.

The power transmission control unit 292 controls each component included in the power transmission unit 290. In some embodiments, the power transmission control unit 292 may be implemented to be integrated with another control unit (not shown) that controls the charger 200.

The power transmission control unit 292 may perform the process of identifying the mobile terminal 100 according to a result of detecting the presence of the mobile terminal 100 or may determine whether to start the wireless power transmission.

In order to receive the power control message, the charger 200, which is the wireless power transmission device, is further configured to include a Power Communications Modulation / Demodulation Unit 293 electrically connected to the power conversion unit 291 . The modem unit 293 may be used to demodulate the wireless power signal modulated by the mobile terminal 100 and receive the power control message.

Meanwhile, the mobile terminal 100 includes a power supply unit 190, and the power supply unit 190 supplies power required for the operation of the mobile terminal 100. The power supply unit 190 may include a power receiving unit 192 and a power receiving control unit 194.

The power receiving unit 192 receives power transmitted from the charger 200 wirelessly. The power receiving unit 192 may include components necessary for receiving the wireless power signal according to a wireless power transmission scheme have. In addition, the power receiver 192 may receive power according to one or more wireless power transmission schemes. In this case, the power receiver 192 may include necessary components according to each scheme.

First, the power receiving unit 192 may be configured to include a coil for receiving a wireless power signal transmitted in the form of a magnetic field or an electromagnetic field having an oscillating characteristic.

For example, according to an embodiment of the present invention, the power receiving unit 192 may include a secondary coil in which a current is induced by a magnetic field that changes as an inductive coupling type component. Also, in some embodiments, the power receiving unit 192 may include a coil and a resonance forming circuit that generate a resonance phenomenon by a magnetic field having a specific resonance frequency as a component according to a resonance coupling scheme.

However, in some embodiments, the power receiver 192 may receive power according to one or more wireless power transfer schemes, in which case the power receiver 192 may be configured to receive using one coil, May be implemented to receive using a coil formed differently depending on the power transmission scheme.

The power receiver 192 may further include a rectifier and a regulator for converting the radio power signal into a direct current. The power receiving unit 192 may further include a circuit for preventing an overvoltage or an overcurrent from occurring due to the received power signal.

At this time, the power reception control unit 194 controls each component included in the power supply unit 190. More specifically, the power reception control unit 194 may control the modem unit 193 of the mobile terminal 100 to modulate the wireless power signal, and may transmit the power control message to the wireless power charger 200 have. The power control message may instruct the wireless power charger 200 to start or terminate transmission of the wireless power signal. The power control message may also direct the wireless charger 200 to adjust the characteristics of the wireless power signal.

The power receiving control unit 194 may transmit a power control message to the charger 200 by transmitting user data including a power control message by communication means (not shown) included in the mobile terminal 100 have.

In addition, the power supply unit 190 may further include a charging unit 195 and a battery 196.

The mobile terminal 100 receiving the power for operation from the power supply unit 190 operates by the power transmitted from the charger 200 or charges the battery 196 by using the transmitted power. And may be operated by the electric power charged in the battery 196. At this time, the power reception control unit 194 may control the charging unit 195 to perform charging using the transmitted power.

The mobile terminal 100 may further include a power communication modulation / demodulation unit 193 electrically connected to the power receiving unit 192 to transmit the power control message. The modem unit 193 can be used to transmit the power control message through the wireless power signal, as in the case of the wireless power charger 200 described above. The modem unit 193 may be used as a means for adjusting the current and / or voltage flowing through the power conversion unit 291 of the wireless power transmission apparatus 100.

According to the above-described embodiment, the charger 200 of the mobile terminal can not only perform the charging function but also can rotate the mobile terminal 100 in a state where the mobile terminal 100 is stationary. Furthermore, by forming the hole 270 at the lower end of the charger, the tripod 300 can be coupled to photograph a picture stably. Although wireless charging has been described above, wired charging is also possible for those skilled in the art to which the present invention belongs.

The foregoing detailed description should not be construed in all aspects as limiting and should be considered illustrative. The scope of the present invention should be determined by rational interpretation of the appended claims, and all changes within the scope of equivalents of the present invention are included in the scope of the present invention.

Claims (13)

A cover surrounding a part of the rear surface of the mobile terminal;
A support member to which the cover is coupled;
A pedestal supporting the supporting member; And
And a fixing member for coupling the cover to the support member,
The supporting member includes a first hinge shaft to which the fixing member is coupled; And
And a first member and a second member extending from the first hinge axis and having a predetermined angle about the first hinge axis. The method according to claim 1,
Wherein the first member and the second member each have a pair of legs formed parallel to each other, and the legs are connected by a first connecting member and a second connecting member, respectively. 3. The method of claim 2,
Wherein:
An insertion portion inserted through the rear surface of the cover;
A plate extending from the insertion portion and contacting the rear surface of the cover; And
And a pair of protrusions protruding from the plate and attached to and fixed to the first hinge axis. 3. The method of claim 2,
Wherein a recessed space is provided at one side of the pedestal, both ends of a second hinge axis are inserted into both sides of the space,
And a pair of legs of the first member are coupled to the second hinge shaft. 5. The method of claim 4,
Wherein the pedestal has a plurality of lines parallel to the second connecting member, and the second connecting member is disposed between the lines. The method according to claim 1,
Wherein a hole is formed at one side of the pedestal, and a protrusion formed on a base plate of a tripod is inserted and fixed to the hole, so that a tripod is coupled. The method according to claim 1,
And a battery charging unit capable of charging a removable battery is formed at one end of the pedestal. The method according to claim 1,
And a charging port connected to a power source is formed at the other end of the pedestal. The method according to claim 1,
Wherein the cover has wings formed at both ends thereof to surround the mobile terminal or the pedestal. The method according to claim 1,
A power supply unit for supplying power to the charger; And
And a power transmission unit for transmitting the power supplied from the power supply unit to the mobile terminal,
The power transmission unit includes a power conversion unit for converting the power supplied from the power supply unit into a wireless power signal and a power transmission unit for controlling the components included in the power transmission unit. And a control unit for controlling charging of the mobile terminal. 11. The method of claim 10,
The mobile terminal includes:
And a power supply unit for supplying power required for operation of the mobile terminal,
The power supply unit,
A power receiver for receiving power transmitted from the charger wirelessly;
A charging unit for charging the battery using the transmitted power; And
And a power receiving control unit for controlling the components included in the power supply unit. 11. The method of claim 10,
Further comprising a power communication modulating / demodulating unit for receiving a power control message by demodulating a radio power signal modulated by the mobile terminal and being electrically connected to the power converting unit. charger. 12. The method of claim 11,
The mobile terminal includes:
Further comprising a power communication modulation / demodulation unit electrically connected to the power receiving unit to transmit the power control message through the wireless power signal.
KR1020140004757A 2014-01-14 2014-01-14 Charger for mobile terminal KR20150084599A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020140004757A KR20150084599A (en) 2014-01-14 2014-01-14 Charger for mobile terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140004757A KR20150084599A (en) 2014-01-14 2014-01-14 Charger for mobile terminal

Publications (1)

Publication Number Publication Date
KR20150084599A true KR20150084599A (en) 2015-07-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101728616B1 (en) * 2015-12-17 2017-04-19 정병우 Hardware function expansion apparatus of mobile device
KR20190017625A (en) * 2018-02-22 2019-02-20 엘지이노텍 주식회사 Wireless charger having wireless communication coil
KR20190101828A (en) * 2018-02-23 2019-09-02 삼성전자주식회사 Supporting structure for holding electronic device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101728616B1 (en) * 2015-12-17 2017-04-19 정병우 Hardware function expansion apparatus of mobile device
KR20190017625A (en) * 2018-02-22 2019-02-20 엘지이노텍 주식회사 Wireless charger having wireless communication coil
KR20190101828A (en) * 2018-02-23 2019-09-02 삼성전자주식회사 Supporting structure for holding electronic device

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