WO2006126126A1 - Automatic retractable power coupling system for a wall-mounted device - Google Patents

Automatic retractable power coupling system for a wall-mounted device Download PDF

Info

Publication number
WO2006126126A1
WO2006126126A1 PCT/IB2006/051486 IB2006051486W WO2006126126A1 WO 2006126126 A1 WO2006126126 A1 WO 2006126126A1 IB 2006051486 W IB2006051486 W IB 2006051486W WO 2006126126 A1 WO2006126126 A1 WO 2006126126A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrical device
motor
power
coupling system
battery
Prior art date
Application number
PCT/IB2006/051486
Other languages
French (fr)
Inventor
Hubertus M. R. Cortenraad
Original Assignee
Koninklijke Philips Electronics N.V.
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 Koninklijke Philips Electronics N.V. filed Critical Koninklijke Philips Electronics N.V.
Publication of WO2006126126A1 publication Critical patent/WO2006126126A1/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/72—Means for accommodating flexible lead within the holder
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/18—Connectors or connections adapted for particular applications for television

Definitions

  • This invention relates to an electrical device arranged to be mounted onto a wall comprising an electrical component and an electrical power coupling system arranged for supplying electricity from a power supply to said electrical device.
  • a known example of such a device is a flat panel display, such as an LCD TV or a plasma TV.
  • the displays are depicted hanging on the wall. In almost all these advertisements no cables are shown coming from the display. However, most people that hang the display on the wall at home, will have the cables in view. This is of course not desired. Especially, if the display is not being used, the useless cables are still in view and can be a disturbing sight.
  • the power connection can be hidden for the user.
  • the principle of this invention is that when the device is not in use, it is not connected to mains.
  • the result of the application of this invention for displays is that no cables are visible when the display is not in use.
  • the video signal is provided to the display by a wireless solution.
  • the electrical device may for example be an electronic flat panel display, such as a flat panel TV.
  • the coupling system may comprise a plurality of telescopic elements, such as is known from car antennas.
  • the coupling system comprises a power cable and a reel arranged to collect the power cable when said power connection is retracted.
  • the battery is a rechargeable battery.
  • the battery is also arranged to power the electrical component of the TV. In this way, it is possible to watch TV before even a connection is made. If the battery has sufficient capacity, no connection is needed during watch hours.
  • the electrical device may comprise a control unit arranged to activate the motor so as to extend said coupling system, if a predefined condition is met.
  • the control unit activates the motor if the electrical device is switched on by a user.
  • the control unit activates the motor after a predefined delay after the electrical device, i.e. the TV, is switched on by the user. In this way the battery can be small and is only needed to watch television for a small period of time.
  • control unit activates the motor if the remaining power in the battery is low. So a connection is made only when it is really needed.
  • control unit activates the motor after a predefined delay after the electrical device has been switched off by a user. So, the connection will be made when no one is watching TV. In this way, the coupling system is visible but only at times when no one is taking notice.
  • control unit comprises a timer clock and activates the motor at a specific time settable by the user. In this way, recharging can be executed for example at night.
  • Figure 1 schematically shows a flat panel display according to an embodiment of the invention
  • Figure 2 schematically shows the flat panel display connected to mains
  • FIG. 3 schematically shows another embodiment of the invention
  • Figure 4 schematically shows the embodiment of figure 3 connected to mains;
  • Figure 5 shows a plug and a socket according to an embodiment of the invention.
  • a wall mountable flat panel display 10 comprises a screen (not shown), mounting means (not shown), a power coupling system 12, electronics 13, a battery 14 and a motor 16.
  • the battery 14 is connected to the motor 16 and is arranged to power the motor 16.
  • the motor 16 is connected to the power coupling system 12 and is arranged to drive the power coupling system 12.
  • the coupling system 12 comprises a plurality of telescopic elements, similar to a car antenna.
  • a plug 17 is arranged which is electrically connected to the battery 14 via for example a cable (not shown) inside the telescopic elements.
  • the power coupling system 12 When the display 10 is turned on, the power coupling system 12 is extended so that the plug 17 can make contact with a socket 19 attached to a baseboard 11 in a wall 30 near the floor below the display 10, see figure 2.
  • This socket 19 is connected to a distant mains connection by a (hidden) cable 21.
  • the motor 16 is connected to the battery 14, since it has to work when the display 10 is not connected to the mains. Because the connection to the mains is not instantaneously, in an embodiment the battery is also used to operate the electronics 13 of the display 10 during the time it takes for the connection to be established. The user then does not have to wait for the connection to be realised, and can start using/watching the display immediately.
  • the coupling system comprises a cable 22 and a reel 24 which is arranged to collect the cable 22 when the cable 22 is retracted.
  • the reel 24 is housed inside the display 10.
  • the cable 22 is retracted into the display 10 when it is not in use.
  • the motor 16 will drive the reel 24 so that the cable 22 will be extended.
  • the cable 22 will be extended so that the plug 17 can make contact with the socket 19 in the wall 30. Because the cable 22 is flexible, the motor 16 cannot push the plug 17 into the socket, as is the case in the previous embodiment.
  • the socket 19 comprises a magnetic guiding mechanism arranged to guide the plug 17 into the socket 19.
  • the plug 17 may for example comprise a metal element which is attracted by a magnet arranged in the socket 19.
  • Figure 5 shows an example of the socket 19 and the plug 17 in more detail.
  • the plug 17 comprises a wedge shaped body 25 arranged to engage a docking of the socket 19.
  • the plug 17 further comprises an outer end of the cable 22 comprising two copper wires 29.
  • the socket 19 comprises a main body 31 which is mounted onto the baseboard 11.
  • the socket 19 also comprises two connectors 33 which are electrically connected to power cables 35 that receive electrical power via the baseboard 11.
  • the wedge shaped body 25 is made of metal and the socket 19 on the baseboard 11 comprises (electro)magnets 39 to pull and guide the plug 17 into the socket 19. It should be noted that magnets can also be arranged inside the plug 17.
  • spring contacts 33 are used for the contact between the outer ends of the copper wires 29 and the power cables 35 coming from the baseboard 11.
  • the battery is used to establish the power connection as soon as the display 10 is switched on, and operate the display 10 during the time it takes to establish the connection.
  • the display can initially operate on battery power without an established power connection. In this case, no power connection will be visible during the initial use of the display.
  • the display 10 can use the last "power" to establish the power connection to the baseboard 11. From then on, the display 10 will operate on the mains, and at the same time the battery can be recharged for the next time the user wants to use the display.
  • the battery is rechargeable. If the battery has enough power for the entire time the display is used, it means that during this time, no cable is visible. However, the battery has to be recharged at some point.
  • the display 10 comprises a control unit arranged to activate the motor 16 so as to extend the coupling system, if a predefined condition is met. In the figures 1-5, the control unit is indicated as 15. The control unit 15 may for example directly activate the motor if the display 10 is switched on by a user. Once the power coupling system 12 is extended so that the plug 17 is connected to the socket 19, the display 10 will be powered by mains. In an embodiment, the control unit 15 activates the motor 16 after a predefined delay after the display 10 is switched on.
  • the electronics 13 of the display 10 is powered by the battery 14 until the connection is made to mains.
  • the control unit 15 activates the motor 16 if the remaining power in the battery 14 is low. This means that a connection is made only when it is really needed. If a sufficiently large rechargeable battery is used, the display 10 can be powered without being connected to mains. The control unit 15 may then activate the motor 16 which extends the coupling system 12, only after a predefined delay after the display 10 has been switched off by a user. So, the coupling system 12 will be visible when no one is watching the display 10. Preferably, the recharging of the battery 14 is performed when it cannot be observed by the user, for example at night.
  • control unit 15 comprises a timer clock and activates the motor 16 at a specific time, which may be settable by the user.

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  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention relates to an automatic retractable power connection for wall- mounted flat panel displays. The principle is that no cables are visible when the display is not in use. Furthermore, when in future the battery technology enables hours of TV watching, the recharging of the display's battery can be done automatically. In this case the user truly has the experience that the display is completely wireless, since he never sees the power connection.

Description

Automatic retractable power coupling system for a wall-mounted device
BACKGROUND OF THE INVENTION
This invention relates to an electrical device arranged to be mounted onto a wall comprising an electrical component and an electrical power coupling system arranged for supplying electricity from a power supply to said electrical device. A known example of such a device is a flat panel display, such as an LCD TV or a plasma TV. In many advertisements for these types of displays, the displays are depicted hanging on the wall. In almost all these advertisements no cables are shown coming from the display. However, most people that hang the display on the wall at home, will have the cables in view. This is of course not desired. Especially, if the display is not being used, the useless cables are still in view and can be a disturbing sight.
Current wireless communication techniques make it possible to transmit the display/video content to the display using a wireless link. This already removes the video cable from view. However, this still leaves the power cable visible. Batteries are an alternative to the power cable, but because of the power consumption of flat panel displays the battery needs to be very large, or needs to be recharged often. Big batteries are expensive and also heavy, making it less easy to mount the display on the wall. Another alternative is to hide the cables in the wall. However, this involves quite some reconstruction of the walls, and is therefore an elaborate, expensive and also very non- flexible solution. For these reasons many people still have at least the power cable in sight.
SUMMARY OF THE INVENTION
Therefore, it is an object of the invention to provide power coupling means for electrical devices hanging on the wall, which at least when the device is not in use, is hidden for the users. This object is achieved by providing an electrical device as described by claim
1. By using an automatic retractable and extendable power coupling system, the power connection can be hidden for the user. The principle of this invention is that when the device is not in use, it is not connected to mains. The result of the application of this invention for displays is that no cables are visible when the display is not in use. Here, it is assumed that the video signal is provided to the display by a wireless solution.
The electrical device may for example be an electronic flat panel display, such as a flat panel TV. The coupling system may comprise a plurality of telescopic elements, such as is known from car antennas. In another embodiment, the coupling system comprises a power cable and a reel arranged to collect the power cable when said power connection is retracted. Preferably, the battery is a rechargeable battery.
In an embodiment, the battery is also arranged to power the electrical component of the TV. In this way, it is possible to watch TV before even a connection is made. If the battery has sufficient capacity, no connection is needed during watch hours.
The electrical device may comprise a control unit arranged to activate the motor so as to extend said coupling system, if a predefined condition is met. In an embodiment, the control unit activates the motor if the electrical device is switched on by a user. In another embodiment, the control unit activates the motor after a predefined delay after the electrical device, i.e. the TV, is switched on by the user. In this way the battery can be small and is only needed to watch television for a small period of time.
In yet another embodiment, the control unit activates the motor if the remaining power in the battery is low. So a connection is made only when it is really needed.
It is also possible that the control unit activates the motor after a predefined delay after the electrical device has been switched off by a user. So, the connection will be made when no one is watching TV. In this way, the coupling system is visible but only at times when no one is taking notice.
In a last embodiment, the control unit comprises a timer clock and activates the motor at a specific time settable by the user. In this way, recharging can be executed for example at night.
BRIEF DESCRIPTION OF THE DRAWINGS
Hereinafter, the invention will be explained with reference to some drawings which are intended to illustrate the invention and not to limit its scope, and wherein: Figure 1 schematically shows a flat panel display according to an embodiment of the invention;
Figure 2 schematically shows the flat panel display connected to mains;
Figure 3 schematically shows another embodiment of the invention;
Figure 4 schematically shows the embodiment of figure 3 connected to mains; Figure 5 shows a plug and a socket according to an embodiment of the invention.
DESCRIPTION OF PREFERRED EMBODIMENT In figure 1 an embodiment of the invention is shown. A wall mountable flat panel display 10 comprises a screen (not shown), mounting means (not shown), a power coupling system 12, electronics 13, a battery 14 and a motor 16. The battery 14 is connected to the motor 16 and is arranged to power the motor 16. The motor 16 is connected to the power coupling system 12 and is arranged to drive the power coupling system 12. In this embodiment, the coupling system 12 comprises a plurality of telescopic elements, similar to a car antenna. At the end of the coupling system 12 a plug 17 is arranged which is electrically connected to the battery 14 via for example a cable (not shown) inside the telescopic elements.
When the display 10 is turned on, the power coupling system 12 is extended so that the plug 17 can make contact with a socket 19 attached to a baseboard 11 in a wall 30 near the floor below the display 10, see figure 2. This socket 19 is connected to a distant mains connection by a (hidden) cable 21. The motor 16 is connected to the battery 14, since it has to work when the display 10 is not connected to the mains. Because the connection to the mains is not instantaneously, in an embodiment the battery is also used to operate the electronics 13 of the display 10 during the time it takes for the connection to be established. The user then does not have to wait for the connection to be realised, and can start using/watching the display immediately.
An alternative embodiment makes use of a retractable cable for the power coupling system, see figure 3. In this case the coupling system comprises a cable 22 and a reel 24 which is arranged to collect the cable 22 when the cable 22 is retracted. Preferably, the reel 24 is housed inside the display 10. The cable 22 is retracted into the display 10 when it is not in use. When the display 10 is turned on, the motor 16 will drive the reel 24 so that the cable 22 will be extended. The cable 22 will be extended so that the plug 17 can make contact with the socket 19 in the wall 30. Because the cable 22 is flexible, the motor 16 cannot push the plug 17 into the socket, as is the case in the previous embodiment. Therefore in an embodiment of the invention, the socket 19 comprises a magnetic guiding mechanism arranged to guide the plug 17 into the socket 19. The plug 17 may for example comprise a metal element which is attracted by a magnet arranged in the socket 19. Figure 5 shows an example of the socket 19 and the plug 17 in more detail. The plug 17 comprises a wedge shaped body 25 arranged to engage a docking of the socket 19. The plug 17 further comprises an outer end of the cable 22 comprising two copper wires 29. The socket 19 comprises a main body 31 which is mounted onto the baseboard 11. The socket 19 also comprises two connectors 33 which are electrically connected to power cables 35 that receive electrical power via the baseboard 11.
In an embodiment, the wedge shaped body 25 is made of metal and the socket 19 on the baseboard 11 comprises (electro)magnets 39 to pull and guide the plug 17 into the socket 19. It should be noted that magnets can also be arranged inside the plug 17. In an embodiment, spring contacts 33 are used for the contact between the outer ends of the copper wires 29 and the power cables 35 coming from the baseboard 11.
In the previous embodiment, it is assumed that the battery is used to establish the power connection as soon as the display 10 is switched on, and operate the display 10 during the time it takes to establish the connection. However, if the battery capacity is sufficient to operate the display for a significant amount of time, for example more than one hour, the display can initially operate on battery power without an established power connection. In this case, no power connection will be visible during the initial use of the display. When the system notices that the battery is almost empty, it can use the last "power" to establish the power connection to the baseboard 11. From then on, the display 10 will operate on the mains, and at the same time the battery can be recharged for the next time the user wants to use the display.
Preferably, the battery is rechargeable. If the battery has enough power for the entire time the display is used, it means that during this time, no cable is visible. However, the battery has to be recharged at some point. In an embodiment, the display 10 comprises a control unit arranged to activate the motor 16 so as to extend the coupling system, if a predefined condition is met. In the figures 1-5, the control unit is indicated as 15. The control unit 15 may for example directly activate the motor if the display 10 is switched on by a user. Once the power coupling system 12 is extended so that the plug 17 is connected to the socket 19, the display 10 will be powered by mains. In an embodiment, the control unit 15 activates the motor 16 after a predefined delay after the display 10 is switched on. In this embodiment, the electronics 13 of the display 10 is powered by the battery 14 until the connection is made to mains. In another embodiment, the control unit 15 activates the motor 16 if the remaining power in the battery 14 is low. This means that a connection is made only when it is really needed. If a sufficiently large rechargeable battery is used, the display 10 can be powered without being connected to mains. The control unit 15 may then activate the motor 16 which extends the coupling system 12, only after a predefined delay after the display 10 has been switched off by a user. So, the coupling system 12 will be visible when no one is watching the display 10. Preferably, the recharging of the battery 14 is performed when it cannot be observed by the user, for example at night. In this case the user truly has the experience that the display is completely wireless, since he or she never sees the power connection. This can be established if the control unit 15 comprises a timer clock and activates the motor 16 at a specific time, which may be settable by the user.
While the invention has been described in connection with preferred embodiments, it will be understood that modifications thereof within the principles outlined above will be evident to those skilled in the art. The invention is not limited to the preferred embodiments but is intended to encompass such modifications. Furthermore, the invention is not restricted to power connections of flat panel displays. The invention may also be used to power electrical displays, electrical lighting equipment or other electrical devices which can be mounted onto a wall and do need a power connection every now and then.

Claims

CLAIMS:
1. Electrical device arranged to be mounted onto a wall comprising an electrical component and an electrical power coupling system arranged for supplying electricity from a power supply to said electrical device, characterized in that said electrical power coupling system is extendable and retractable, wherein said electrical device further comprises a motor arranged to drive said coupling system, and a battery arranged to power said motor.
2. Electrical device according to claim 1, wherein said electrical device comprises an electronic flat panel display.
3. Electrical device according to claim 1, wherein said coupling system comprises a plurality of telescopic elements.
4. Electrical device according to claim 1, wherein said coupling system comprises a power cable and a reel arranged to collect said power cable when said power connection is retracted.
5. Electrical device according to any of the preceding claims, wherein said battery is a rechargeable battery.
6. Electrical device according to claim 1, wherein said battery is also arranged to power said electrical component.
7. Electrical device according to claim 1, wherein said device comprises a control unit arranged to activate said motor so as to extend said coupling system, if a predefined condition is met.
8. Electrical device according to claim 7, wherein said control unit activates said motor if said electrical device is switched on by a user.
9. Electrical device according to claim 7, wherein said control unit activates said motor after a predefined delay after said electrical device is switched on by a user.
10. Electrical device according to claim 7, wherein said control unit activates said motor if said battery is low.
11. Electrical device according to claim 7, wherein said control unit activates said motor after a predefined delay after said device has been switched off by a user.
12. Electrical device according to claim 7, wherein said control unit comprises a timer clock and activates said motor at a specific time settable by a user.
PCT/IB2006/051486 2005-05-24 2006-05-11 Automatic retractable power coupling system for a wall-mounted device WO2006126126A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05104407.1 2005-05-24
EP05104407 2005-05-24

Publications (1)

Publication Number Publication Date
WO2006126126A1 true WO2006126126A1 (en) 2006-11-30

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101878641A (en) * 2007-10-29 2010-11-03 弗朗索瓦-泽维尔·加迪斯 Housing for attachment to a flat panel display
US8482677B2 (en) 2011-01-20 2013-07-09 Sharp Laboratories Of America, Inc. Television with coupled electrical power
WO2016007619A1 (en) * 2014-07-08 2016-01-14 Franklin Lee Christopher Mounting apparatus
US9689527B2 (en) 2013-03-15 2017-06-27 Lee Christopher Franklin Mounting apparatus
WO2019212405A1 (en) * 2018-05-02 2019-11-07 Greenphyto Pte Ltd A power system

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US4777416A (en) * 1986-05-16 1988-10-11 Denning Mobile Robotics, Inc. Recharge docking system for mobile robot
US5661391A (en) * 1994-06-23 1997-08-26 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Apparatus for charging a propulsion battery of an electrically powered vehicle
EP1003164A2 (en) * 1998-10-21 2000-05-24 Hitachi, Ltd. Signal recording/reproducing apparatus
US20010033344A1 (en) * 2000-02-07 2001-10-25 Darrell Grein Virtual reality portrait

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4777416A (en) * 1986-05-16 1988-10-11 Denning Mobile Robotics, Inc. Recharge docking system for mobile robot
US5661391A (en) * 1994-06-23 1997-08-26 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Apparatus for charging a propulsion battery of an electrically powered vehicle
EP1003164A2 (en) * 1998-10-21 2000-05-24 Hitachi, Ltd. Signal recording/reproducing apparatus
US20010033344A1 (en) * 2000-02-07 2001-10-25 Darrell Grein Virtual reality portrait

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101878641A (en) * 2007-10-29 2010-11-03 弗朗索瓦-泽维尔·加迪斯 Housing for attachment to a flat panel display
US8638548B2 (en) 2007-10-29 2014-01-28 François-Xavier Gardes Housing for attachment to a flat panel display
US8482677B2 (en) 2011-01-20 2013-07-09 Sharp Laboratories Of America, Inc. Television with coupled electrical power
US9689527B2 (en) 2013-03-15 2017-06-27 Lee Christopher Franklin Mounting apparatus
WO2016007619A1 (en) * 2014-07-08 2016-01-14 Franklin Lee Christopher Mounting apparatus
CN107072415A (en) * 2014-07-08 2017-08-18 李.C.弗兰克林 Equipment is installed
RU2679178C2 (en) * 2014-07-08 2019-02-06 Ли Кристофер ФРАНКЛИН Mounting apparatus
WO2019212405A1 (en) * 2018-05-02 2019-11-07 Greenphyto Pte Ltd A power system
CN112088470A (en) * 2018-05-02 2020-12-15 绿植工厂私人有限公司 Electric power system
JP2021529412A (en) * 2018-05-02 2021-10-28 グリーンファイト ピーティーイー．エルティーディー．Ｇｒｅｅｎｐｈｙｔｏ Ｐｔｅ．Ｌｔｄ． Power system
US11978986B2 (en) 2018-05-02 2024-05-07 Greenphyto Pte Ltd Power system

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