Door glass welcome system

A door glass welcome system includes a door glass configured to be installed at a door of a vehicle, a glass moving portion disposed to move the door glass, a screen configured to display an image on the door glass, and a power connection blocking portion configured to supply or block power to the screen. The power connection blocking portion may include a fixing member that is disposed to move together with the door glass and that is electrically connected to the screen, a contact member that is fixed to a vehicle body to selectively contact the fixing member according to a moving position of the fixing member, and a power supply portion that supplies power to the contact member and supplies power to the screen through the fixing member.

CROSS-REFERENCE TO RELATED APPLICATION

This application claims priority to and the benefit of Korean Patent Application No. 10-2016-0129839 filed in the Korean Intellectual Property Office on Oct. 7, 2016, the entire contents of which are incorporated herein by reference.

BACKGROUND

(a) Field of the Disclosure

The present disclosure relates to a door glass welcome system that may improve convenience for a user and salability by detecting a smart key and then displaying a welcome screen on a door glass when the smart key approaches a vehicle.

(b) Description of the Related Art

A smart key system may unlock a lock system of a vehicle without touching a smart key to the vehicle. The smart key may unlock the lock system through bi-directional communication with the vehicle, and may allow an engine to be started.

The smart key system includes an electronic control unit (ECU), a receiver, an indoor antenna, and an outdoor antenna. The ECU is combined with many functions that may be selected by a consumer.

The smart key may perform a locking or unlocking function by touching the smart key to a door handle without taking a key out. The smart key may also start an engine by pushing or turning a button without insertion of a key. In addition, the smart key may perform an anti-theft function by installing an immobilizer in which an engine may be started when a password thereof is identical to a password set in the engine. The smart key may further perform a welcome function that illuminates a front of a driver's seat by automatically turning on the light of the vehicle when a person possessing the smart key approaches the vehicle. The smart key may also perform an auto lock function that locks a door of the vehicle after a predetermined period of time when leaving the vehicle without locking the door.

Recently, research has been conducted for improving convenience for the user and salability of the vehicle by displaying a welcome screen on a door glass when the smart key approaches the vehicle. Research has also been conducted for supplying or blocking power according to ascent or descent of the door glass.

SUMMARY

The present disclosure is for a door glass welcome system that may improve salability of a vehicle by forming a welcome screen on a door glass. The disclosed door glass welcome system may effectively turn the welcome screen on or off by supplying power to the welcome screen in a state in which the door glass is raised and by blocking the power supplied to the welcome screen in a state in which the door glass is lowered.

An embodiment of the present disclosure provides a door glass welcome system including: a door glass configured to be installed at a door of a vehicle; a glass moving portion disposed to move the door glass; a screen configured to display an image on the door glass; and a power connection blocking portion configured to supply or block power to the screen. The power connection blocking portion may include: a fixing member that is disposed to move together with the door glass and that is electrically connected to the screen; a contact member that is fixed to a vehicle body to selectively contact the fixing member according to a moving position of the fixing member; and a power supply portion that supplies power to the contact member and supplies power to the screen through the fixing member.

The fixing member may protrude to the inside of the vehicle body from the inside of the door glass.

The door glass welcome system may further include a glass holder to which a lower portion of the door glass is fixed. The fixing member may protrude to the inside of the vehicle body from the inside of the glass holder.

When the door glass moves up to an uppermost position, the fixing member and the contact member may contact each other so that power is supplied.

A first slanted surface that approaches the door glass in a moving direction of the door glass may be formed at a cross-section of the fixing member.

A second slanted surface that corresponds to and contacts the first slanted surface may be formed at the contact member.

The power connection blocking portion may include an insertion member connected to the contact member, a housing into which the insertion member is inserted, and an elastic member that is disposed inside the housing and elastically supports the insertion member in a direction of the fixing member.

The door glass welcome system may further include a guide pin that extends from the insertion member and penetrates the housing.

The door glass welcome system may further include a smart key and a smart key detecting portion disposed to detect the smart key within a predetermined distance.

Another embodiment of the present disclosure provides a door glass welcome system including: a glass holder configured to hold a lower portion of a door glass; a glass moving portion configured to vertically move the glass holder; a screen configured to display an image on the door glass; and a power connection blocking portion configured to supply or block power to the screen. The power connection blocking portion may include: a fixing member that is disposed to be fixed to an inner surface of the glass holder and is electrically connected to the screen; a contact member that is fixed to a vehicle body to selectively contact the fixing member according to a position of the fixing member; and a power supply portion that supplies power to the contact member and supplies power to the screen through the fixing member.

When the door glass moves up to an uppermost position, the fixing member and the contact member may contact each other so that power is supplied. A first slanted surface that approaches the door glass in a moving direction of the door glass may be formed at a cross-section of the fixing member. A second slanted surface that corresponds to and contacts the first slanted surface may be formed at the contact member.

The power connection blocking portion may include an insertion member connected to the contact member, a housing into which the insertion member is inserted, and an elastic member that is disposed inside the housing and elastically supports the insertion member in a direction of the fixing member.

The door glass welcome system may further include a smart key, a smart key detecting portion disposed to detect the smart key, and a control portion configured to operate the power supply portion when the smart key is detected through the smart key detecting portion.

The screen may be formed to have a predetermined thickness at an inner surface of the door glass.

According to the present disclosure, it is possible to improve salability of a vehicle by forming a welcome screen on a door glass and to effectively turn the welcome screen on or off by supplying power to the welcome screen in a state in which the door glass is raised and by blocking power supplied to the welcome screen in a state in which the door glass is lowered.

In addition, it is possible to effectively supply or block power through sliding of a contact portion while the door glass is raised or lowered by forming a slanted surface on a portion to which the power source is supplied.

The drawings incorporate the following reference symbols, which are provided below with a brief description.100: vehicle110: display glass120: smart key130: smart key detecting portion200: door glass210: screen220: wire230: fixing member232: first slanted surface233: second slanted surface235: glass holder258: contact member252: housing254: insertion member256: elastic member260: guide pin270: glass moving portion280: power supply portion400: power connection blocking portion440: display control portion450: vehicle control portion

DETAILED DESCRIPTION OF THE EMBODIMENTS

However, the size and thickness of each component illustrated in the drawings are arbitrarily shown for ease of description. The present disclosure is not limited thereto, and the thicknesses of portions and regions in the drawings may be exaggerated for clarity.

In addition, parts that are irrelevant to the description are omitted to clearly describe the illustrative embodiments of the present disclosure. Further, like reference numerals designate like elements throughout the specification.

In the following description, identifying names of components with first, second, and the like is to differentiate the names from one another where the names of the components are the same. A specific order or arrangement of such named components is not intended.

FIG. 1illustrates a schematic diagram of a vehicle according to an embodiment of the present disclosure.

Referring toFIG. 1, a vehicle100includes a display glass110, a smart key detecting portion130, and a smart key120. When a user having the smart key120approaches a body of the vehicle100, the smart key detecting portion130detects the approach of the smart key120through an antenna or the like, and a display control portion440(seeFIG. 4) displays an image on the display glass110.

FIG. 2illustrates a partial cross-sectional view of a state in which power is supplied in a door glass welcome system according to an embodiment of the present disclosure.FIG. 2shows a state in which a door glass200and a glass holder235move to or are in an uppermost position.

Referring toFIG. 2, the door glass welcome system includes the smart key120, the smart key detecting portion130, a power supply portion280, a power connection blocking portion400, a glass moving portion270, the glass holder235, a power wire220, the door glass200, and a screen210. The power connection blocking portion400includes a fixing member230, a contact member258, an insertion member254, a housing252, an elastic member256, and a guide pin260.

An upper portion of the glass holder235holds a lower portion of the door glass200. The glass moving portion270vertically moves the glass holder235through a motor or the like according to operation of the user or control of the control portion.

The screen210is formed on an inner surface of the door glass200in a film form. The screen210receives power from the power supply portion280and an image signal from the display control portion440(seeFIG. 4) to form a screen (display an image) on the door glass200.

The fixing member230is fixed to an inner surface of the glass holder235, and the power wire220is provided between the fixing member230and the screen210. The power wire220transmits power, which is supplied to the fixing member230, to the screen210.

A first slanted surface232is provided on the fixing member230and approaches the door glass200in an upper or upward direction.

A second slanted surface233is provided on an outer end of the contact member258and approaches the door glass200in an upper or upward direction to correspond to the first slanted surface232. A rear end of the contact member258is connected to the insertion member254. The insertion member254is inserted into a space formed inside the housing252.

The first slanted surface232of the fixing member230contacts the second slanted surface233of the contact member258.

The elastic member256is disposed inside the housing252. The elastic member256elastically supports the insertion member254in a direction in which the door glass200is disposed. The guide pin260is fixed to an end portion of the insertion member254. The guide pin260penetrates a rear end portion of the housing252to be able to guide movement of the insertion member254.

The power supply portion280is electrically connected to the elastic member256, the housing252, or the guide pin260. The power supply portion280supplies power to the screen210through the contact member258, the fixing member230, and the power wire220.

Thus, when power is supplied to the screen210and when the smart key detecting portion130detects the smart key120, a display welcome function is provided to the user based on the power supply of the power supply portion280.

FIG. 3illustrates a partial cross-sectional view of a state in which power is blocked in a door glass welcome system according to an embodiment of the present disclosure.FIG. 3shows a state in which the door glass and the glass holder move by a predetermined distance from an upper raised position to a lower or lowered position.

Referring toFIG. 3, when the glass moving portion270moves the door glass200, the glass holder235, and the fixing member230down by a predetermined distance from an uppermost position according to operation of the user, the fixing member230is slid and separated from the contact member258.

Then, since no power is supplied to the screen210, even if the smart key detecting portion130detects the smart key120, the display welcome function is not provided to the user.

FIG. 4illustrates a schematic diagram of a door glass welcome system according to an embodiment of the present disclosure.

Referring toFIG. 4, the door glass welcome system includes the glass moving portion270, the display glass110, the power connection blocking portion400, the power supply portion280, a vehicle control portion450, the display control portion440, the smart key120, and the smart key detecting portion130. The display glass110includes the door glass200and the screen210.

The vehicle control portion450and the display control portion440may be respectively implemented by one or more processors operated by a predetermined program. The predetermined program may include a series of commands for performing a method according to an embodiment of the present disclosure, as described further below.

The vehicle control portion450may detect the smart key120through the smart key detecting portion130. The vehicle control portion450may also control the glass moving portion270to move the display glass110to the uppermost position.

When the display glass110moves to the uppermost position, the contact member258and the fixing member230are electrically connected. Thus, the power supply portion280may supply power to the display glass110. The display control portion440transmits a predetermined image signal to the screen210of the display glass110, thereby displaying on a predetermined screen.

The above detailed description is recited to aid in understanding of the disclosure. Unexplained portions may refer to known techniques.

In addition, although it is explained that, in the state in which the door glass200moves up to the uppermost position, the fixing member230and the contact member258electrically contact each other. However, the fixing member230and the contact member258may contact each other when the door glass200moves up to a predetermined position, which may be other than the uppermost position.

FIG. 5illustrates a flowchart of an operational method of a door glass welcome system according to an embodiment of the present disclosure.

Referring toFIG. 5, in an operational method of the door glass welcome system, a control operation starts at step S500. The smart key detecting portion130detects the smart key120at step S505.

At step S510, the vehicle control portion450controls the glass moving portion270to move the door glass200to the uppermost position or to a predetermined position.

The power supply portion280supplies power to the screen210through an electrical connection between the contact member258and the fixing member230at step S520. The display control portion440transmits an image signal to the screen210to display a predetermined image on the screen210at step S530.

It is determined whether a vehicle door provided with the door glass200is opened by the user at step S540. When the vehicle door is determined to be opened, the power supplied to the door glass200is blocked at step S550. When the vehicle door is determined to not be opened but instead to be closed, step S530is performed.

While this disclosure has been described in connection with what are presently considered to be practical embodiments, it is to be understood that the disclosure is not limited to the disclosed embodiments. On the contrary, it is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.