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WO2008011218A2 - Configuration de système de refroidissement d'air pour écran tactile - Google Patents

Configuration de système de refroidissement d'air pour écran tactile Download PDF

Info

Publication number
WO2008011218A2
WO2008011218A2 PCT/US2007/069400 US2007069400W WO2008011218A2 WO 2008011218 A2 WO2008011218 A2 WO 2008011218A2 US 2007069400 W US2007069400 W US 2007069400W WO 2008011218 A2 WO2008011218 A2 WO 2008011218A2
Authority
WO
WIPO (PCT)
Prior art keywords
cooling
cooling system
electronic device
exhaust
air
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/US2007/069400
Other languages
English (en)
Other versions
WO2008011218A3 (fr
Inventor
Seale Moorer
Eric Eichensehr
Joseph Lehman
William K. Virgin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Exceptional Innovation Inc
Original Assignee
Exceptional Innovation Inc
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 Exceptional Innovation Inc filed Critical Exceptional Innovation Inc
Publication of WO2008011218A2 publication Critical patent/WO2008011218A2/fr
Anticipated expiration legal-status Critical
Publication of WO2008011218A3 publication Critical patent/WO2008011218A3/fr
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/006—Arrangements for circulation of cooling air
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
    • G06F2200/16—Indexing scheme relating to G06F1/16 - G06F1/18
    • G06F2200/163—Indexing scheme relating to constructional details of the computer
    • G06F2200/1631—Panel PC, e.g. single housing hosting PC and display panel

Definitions

  • the invention is directed generally to cooling electronic devices and, more particularly, to an air-cooling system configuration for electronic devices arranged at places where sufficient cooling/exhaust air movement is not readily available, such as wall mounted touch screens or other electronic displays.
  • Consumer electronic devices for example, flat panel display devices such as a liquid crystal display (LCD), plasma monitors/television sets and the like, are typically stand alone type devices that are allowed to freely intake air from their surroundings to cool the internal IC components and PCBs, and hence are usually configured such that they do not have an internal cooling system.
  • LCD liquid crystal display
  • PCBs printed circuit board
  • heat will build up and the device performance and life span often will be adversely affected.
  • the invention meets the foregoing need and provides sufficient cooling of electronic devices despite confining arrangements and/or a limited cooling-air source for proper heat dissipation, such as wall-mounted devices and that furthermore includes other advantages apparent from this discussion herein.
  • a cooling system for an electrical device includes a receptacle unit having a main opening with an inner chamber, a cooling unit operably associated with the electrical device and arranged in the chamber of the receptacle unit, intake and exhaust openings arranged between the electronic device and the receptacle unit, an intake path extending from the intake opening to the cooling unit via the chamber of the receptacle unit and an exhaust path extending from the cooling unit to the exhaust opening via the inner space of the receptacle unit.
  • a cooling system for an electronic device includes means for cooling the electronic device, means for receiving the electronic device, the cooling means being in an enclosed spaced having limited airflow, means for providing cooling air to the cooling means in the receiving means, means for removing exhaust air from the cooling means, and means for separating the providing means and the removing means.
  • a method of cooling an electronic device arranged in an enclosed space having limited air flow, the electronic device having a cooling unit associated therewith includes intaking cooling air from outside the electronic device to the cooling unit, cooling the electronic device using the cooling air, and expelling the exhaust air generated by heat of the electronic device from the electronic device, and separating the exhaust air from the cooling air.
  • FIG. 1 shows a rear perspective view of an assembly of a wall-mountable flat panel display and cooling unit of an air-cooling system configuration constructed according to the principals of the invention
  • Fig. 2 shows a rear view of an assembly of a larger flat panel display and the cooling unit of Fig. 1 ;
  • FIG. 3 shows a front view of a receptacle unit for use with of the air-cooling system configuration of Fig. 1 ; and [0016] Fig. 4 shows the assembly of Fig. 1 partially inserted into the receptacle unit of Fig. 3.
  • Fig. 1 shows an assembly 100 of an electronic device 110 and a cooling unit 150, which may be a part of an air-cooling system 10.
  • the air-cooling system 10 may further include a receptacle unit 300 shown in Fig. 3, which may be joined together with the assembly 100 as shown in Fig. 4.
  • the assembly 100 and receptacle unit 300 may be configured to ensure sufficient air intake for the electronic device 110 even when the electronic device 110 is situated where sufficient air intake may not readily be available due to building, wall, or other structural components, such as when the electronic device 110 is mounted in a wall.
  • the electronic device 110 may be a flat panel display device (e.g., LCD or plasma monitor or television set or the like).
  • the electronic device 110 may be a touch screen device that may be installed on or in a wall and configured to display information on its screen and receive instructions from a user by sensing the location on the screen touched by the user.
  • the touch screen device 110 may be used to control a convergence and automation system, which is described in Applicants' co-pending U.S.
  • Patent Application No. 11/738,305 filed on April 20, 2007, entitled TOUCH SCREEN FOR CONVERGENCE AND AUTOMATION SYSTEM, which is hereby expressly incorporated by reference for all purposes as if fully set forth herein.
  • the invention contemplates any other type of electronic device for use with the air-cooling system and configuration described herein including, but not limited to, computer systems, audio systems, video systems, or the like.
  • the touch screen 1 10 may include a front frame 112 and rear frame 114 joined to the front frame 112 with an LCD panel (not shown) and driving circuitry (not shown) therebetween.
  • the driving circuitry may be a printed circuit board (PCB) containing a number of IC components, which may require proper heat dissipation to ensure a normal operation.
  • the PCB may be arranged at a center portion of the rear surface of the LCD panel.
  • the front frame 112 may have a main opening (not shown) exposing a screen of the LCD panel on the front surface of the touch screen 110.
  • the rear frame 114 may have a rear compartment 130 to house various components including the PCB.
  • the rear compartment 130 may protrude from a rear surface of the rear frame 114 and may have one or more openings or slots (not shown) exposing the PCB to the cooling unit 150 which may be fixedly mounted thereon.
  • the rear compartment 130 may have various connectors 122 connected to various components of the touch screen device 110.
  • the various connectors 122 may be a power connector, network cable connector, USB connector and the like.
  • the assembly 100 may have structures formed on an edge thereof for cooling air entry to and exhaust air exit from the air-cooling system 10. For example, Fig.
  • recessed portions 116 and 118 formed at the bottom edge of the rear frame 114, which may constitute an intake port 360 and an exhaust port 370, respectively, when the assembly 100 is conjoined with the receptacle unit 300 shown in Fig. 3, which will be explained below in detail.
  • the recessed portions 116 and 118 may be provided with fins 124 and 125, respectively, to direct a stream of air in desired directions, which will be explained later in detail.
  • the cooling unit 150 may be arranged adjacent to the electronic device 110 for cooling the internal components that may generate heat under the normal operation.
  • the cooling unit 150 may be fixedly mounted on the rear compartment 130, which may be configured to house the PCB and other components that may generate heat under a normal operation.
  • the cooling unit 150 may be a blower fan, such as a squirrel cage type fan or other fan known in the art, and may include a plurality of slots 152 to receive the cooling air into a fan compartment 154 configured to house the blower fan therein (not shown).
  • the blower fan may direct the cooling air entering the cooling unit 150 via the slots 152 to the rear compartment 130 for cooling down the PCB and other internal components therein.
  • Fig. 1 particularly shows the cooling unit 150 being a blower fan
  • the blower fan may be dynamically controlled based on a sensed temperature or amount of heat generated by the electronic device 110.
  • the cooling unit 150 may further include guide walls 156 and an exhaust opening 158.
  • the exhaust opening 158 may be arranged proximate the rear compartment 130 such that a stream of the exhaust air may be directed toward the outside the cooling unit 150.
  • the guide walls 156 may be extended from the exhaust opening 158 to guide the exhaust air toward the recessed portion 118 of the assembly 100.
  • the guide walls 156 may be configured such that the exhaust air exiting from the cooling unit 150 via the exhaust opening 158 may be separated from and not mixed with the cooling air entering to the cooling unit 150 via the recessed portion 116 and slots 152.
  • the air-cooling system 10 may be implemented with a locking structure.
  • keys 120 may be formed on the rear frame 114 of the electronic device 110.
  • the keys 120 may be located at predetermined locations corresponding to keyhole slots 335 (see Fig.
  • Figs. 1 and 3 particularly show the keys 120 and keyhole slots 335 as the locking structure, it should be noted that any type of locking structure or method that may provide stable locking is contemplated by the invention.
  • the receptacle unit 300 may be configured so that the electronic device 110 may house another device which may have a different size and configuration.
  • Fig. 2 shows a larger touch screen display 111 having the same arrangement of the keys 120 of the touch screen display 110 of Fig. 1 so that the larger touch screen display 111 may also be used in the receptacle unit 300.
  • the rear frame 140 of the touch screen display 111 may be configured such that the keys 120 may be positioned at the same locations as they are positioned on the touch screen display 110 of Fig. 2 to ensure that both may be attached to the receptacle unit 300.
  • Such configuration may ensure that the receptacle unit 300 may be universally used regardless of the size and configuration of the electronic devices which may be replaced for various reasons such as upgrade, replacement, maintenance and the like.
  • Fig. 3 shows the receptacle unit 300 that may be configured to receive the assembly 100 shown in Fig. 1 to provide enhanced cooling.
  • the receptacle unit 300 may include a main opening exposing an inner space 350, which may be surrounded by a rear wall 310 and side walls 320.
  • a rim 330 may be formed, extending from the side walls 320, to surround the main opening of the receptacle unit 300.
  • the keyhole slots 335 may be formed at the rim 330 corresponding to the keys 120 formed on the assembly 100 shown in Figs. 1 and 2 such that the assembly 100 may be fixedly attached to the receptacle unit 300 in a stable manner.
  • the receptacle unit 300 may include structures formed on an edge thereof for cooling air entry to and exhaust air exit from the air- cooling system 10.
  • recessed portions 340 and 342 may be formed at the rim 330 corresponding to the recessed portions 116 and 118 of the assembly 100, respectively, such that when the assembly 100 is joined to the receptacle unit 300, a combination of the recessed portions 116 and 340 may form the intake port 360 for the cooling air entry.
  • a combination of the recessed portions 118 and 342 may form the exhaust port 370 for the exhaust air exit.
  • the fins 124 and 125 shown in Fig. 1 may be formed either on the assembly 100 or receptacle unit 300.
  • the fins 124 may be configured such that the cooling air entering through the intake port 360 may be directed to the slots 152 of the cooling unit 150 while preventing the exhaust air exiting from the exhaust port 370 from re-entering to the intake port 360.
  • the grill 125 may be configured to direct the exhaust air away from the intake port 360 such that the exhaust air is prevented from re-entering to the intake port 360.
  • the recessed portions 340 and 342 may be further extended along the sidewall 320 toward the rear wall 310 to increase the amount of cooling/exhaust air moving toward/from the cooling unit 150.
  • the recessed portion 342 connected to the exhaust port 370 may be covered by the guide walls 156 of the cooling unit 150 such that the exhaust air from the cooling unit 150 may not be mixed with the cooling air entering through the intake port 360 within the inner space 350 of the receptacle unit 300.
  • the receptacle unit 300 may include a wire hole 390 to allow for wires, such as power and/or data lines, to extend into the receptacle unit 300 for connection to the assembly 100.
  • the receptacle unit 300 may be configured such that the rear compartment 130 and the cooling unit 150 of the assembly 100 may be received in the inner space 350 thereof. Also, the receptacle unit 300 may be configured such that a portion of the inner space 350 near the intake port 360 may function as a cooling air intake path between the intake port 360 and the slots 152 of the cooling unit 150. Furthermore, another portion of the inner space 350 near the exhaust port 370 may function as an exhaust path between the exhaust opening 158 of the cooling unit 150 and the exhaust port 370. As mentioned above, the exhaust path may be separated from the intake path by the guide walls 158, which may be formed either at the assembly 100 as shown in Figs. 1 and 2 or at the receptacle unit 300.
  • Fig. 4 further shows the assembly 100 and receptacle unit 300 being joined together.
  • the rear compartment 130 and the cooling unit 150 of the assembly 100 may be inserted into the inner space 350 of the receptacle unit 300 in the direction A and the keys 120 and keyhole slots 335 may be engaged to attach the assembly 100 to the receptacle unit 300.
  • the recessed portions 116 and 342 may be joined to each other to form the intake port 360, and the recess portion 1 18 and 342 may be joined each other to form the exhaust port 370.
  • the electronic device 100 may be flush with a mounting surface covering the receptacle unit 300.
  • the receptacle unit 300 may be mountable in a wall of a house, business space, boat, luxury vehicle, academic space, and the like.
  • the receptacle unit 300 may be inserted into an opening in the wall or may be fixed on the wall using one or more fastening structures.
  • the receptacle unit 300 may include holes 380 formed on the rim 330 as shown in Fig. 3 in order to fix the rim 330 on the wall using screws, nails, or the like.
  • the intake port 360 and the exhaust port 370 are exposed to room air although they may not be easily visible by the user.
  • the receptacle unit 300 may be inserted into a hole or other aperture in the wall and held with a structure 410 such that when the receptacle unit 300 is inserted into the wall opening, such as a rectangular opening, the structure 410 may be used to secure the receptacle unit 300 in the wall.
  • the structure 410 may include a pivoting paddle structure and screw mechanism. After inserting the receptacle unit 300 in the wall opening, turning the screw mechanism of the structure 410 may cause the paddle of the structure 410 to rotate and travel toward the inside or back part of the wall structure.
  • the intake and exhaust ports 360 and 370 are exposed to room air such that a constant stream of the cooling air may be provided to the cooling unit 150 while the exhaust air may be removed from the air-cooling system 10.
  • the invention ensures a flow of the cooling and exhaust air to/from the electronic device 110, thereby avoiding any malfunctions thereof due to an elevated temperature therein and the like.
  • the intake and exhaust ports 360 and 370 may be discreetly arranged on the air cooling system 10 such that the air is brought into and exhausted from the electronic device 110 at locations below the device thus making a more attractive front surface of the electronic device 110.
  • the particular location of the intake and exhaust ports 360 and 370 described hereinabove is merely exemplary.
  • the intake and exhaust ports 360 and 370 may be arranged at any position on the receptacle 300.

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

Un système de refroidissement pour un dispositif électrique comprend une unité de réceptacle ayant une ouverture principale avec une chambre interne, une unité de refroidissement associée de manière opérationnelle au dispositif électrique agencé dans la chambre de l'unité de réceptacle, des ouvertures d'admission et d'échappement agencées entre le dispositif électronique et l'unité de réceptacle, un trajet d'admission s'étendant à partir de l'ouverture d'admission vers l'unité de refroidissement par l'intermédiaire de la chambre de l'unité de réceptacle et un trajet d'échappement s'étendant à partir de l'unité de refroidissement vers l'ouverture d'échappement par l'intermédiaire de l'espace interne de l'unité de réceptacle.
PCT/US2007/069400 2006-05-19 2007-05-21 Configuration de système de refroidissement d'air pour écran tactile Ceased WO2008011218A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US74772606P 2006-05-19 2006-05-19
US60/747,726 2006-05-19

Publications (2)

Publication Number Publication Date
WO2008011218A2 true WO2008011218A2 (fr) 2008-01-24
WO2008011218A3 WO2008011218A3 (fr) 2009-04-16

Family

ID=38957446

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/069400 Ceased WO2008011218A2 (fr) 2006-05-19 2007-05-21 Configuration de système de refroidissement d'air pour écran tactile

Country Status (1)

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WO (1) WO2008011218A2 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3178985B2 (ja) * 1995-03-24 2001-06-25 株式会社東芝 携帯形電子機器
JPH095744A (ja) * 1995-04-20 1997-01-10 Toshiba Corp 平面表示装置
TW504598B (en) * 1998-03-26 2002-10-01 Toshiba Corp Flat display apparatus
JP3408424B2 (ja) * 1998-07-28 2003-05-19 日本電気株式会社 電子機器の冷却構造
US6313990B1 (en) * 2000-05-25 2001-11-06 Kioan Cheon Cooling apparatus for electronic devices
US6402109B1 (en) * 2001-05-16 2002-06-11 Chief Manufacturing, Inc. Self-balancing mounting system for a flat panel display

Also Published As

Publication number Publication date
WO2008011218A3 (fr) 2009-04-16

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