WO2014178175A1 - Dispositif d'affichage monté sur un véhicule - Google Patents

Dispositif d'affichage monté sur un véhicule Download PDF

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Publication number
WO2014178175A1
WO2014178175A1 PCT/JP2014/002271 JP2014002271W WO2014178175A1 WO 2014178175 A1 WO2014178175 A1 WO 2014178175A1 JP 2014002271 W JP2014002271 W JP 2014002271W WO 2014178175 A1 WO2014178175 A1 WO 2014178175A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
main body
heat
display device
attached
Prior art date
Application number
PCT/JP2014/002271
Other languages
English (en)
Japanese (ja)
Inventor
兼 青木
正幸 三矢
Original Assignee
株式会社デンソー
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 株式会社デンソー filed Critical 株式会社デンソー
Publication of WO2014178175A1 publication Critical patent/WO2014178175A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R11/0229—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes
    • B60R11/0235—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes of flat type, e.g. LCD

Definitions

  • the present disclosure relates to an in-vehicle display device mounted on a vehicle.
  • a display device mounted on a vehicle and used for, for example, a map display of a car navigation device or various displays of instruments is an electronic device in which a liquid crystal display panel, a backlight unit, and a control circuit for controlling them are mounted in a housing. A circuit board and the like are provided.
  • a cooling fan device for dissipating the heat generated inside and suppressing the temperature rise is provided in the housing (see, for example, Patent Document 1). .
  • the present disclosure has been made in view of the above circumstances, and an object thereof is to provide an in-vehicle display device that can effectively dissipate heat while suppressing a rise in internal temperature while having a simple configuration. There is to do.
  • an in-vehicle display device attached to a vehicle structural material includes a main body, a display unit provided on a front surface of the main unit, and the display provided in the main unit. And a heat sink that is provided on the main body and is thermally connected to the board, and the heat sink fixes the main body to the vehicle structural material. are integrally provided.
  • the heat radiating plate is integrally provided with a mounting portion, and the main body is fixed to the vehicle structural member by the mounting portion.
  • the heat of the heat radiating plate is transmitted to the vehicle structural material through the mounting portion, and heat radiation through the vehicle structural material can be expected, so that the heat radiation effect can be further enhanced.
  • a sufficient heat dissipation effect can be obtained without performing forced cooling by the fan device. Therefore, according to the in-vehicle display device of this aspect, unlike the case where the fan device is provided, it is possible to effectively dissipate heat while suppressing the internal temperature rise while having a simple configuration. Has an effect.
  • FIG. 1A is a perspective view showing a state in which a heat sink is attached to the main board of one embodiment
  • FIG. 1B is a right side view showing a state in which the heat sink is attached to the main board of one embodiment.
  • FIG. 2A is a front view showing a mounting state of the heat sink of the embodiment with respect to the lean force
  • FIG. 2B is a right side view showing a mounting state of the heat sink of the embodiment with respect to the lean force.
  • FIG. 1 shows a main configuration of a main body 1 of a vehicle-mounted display device according to the present embodiment.
  • the main body 1 of the display device includes a display unit 9 and a plastic cover in a container shape such that the front and bottom surfaces open and bulge rearward at the rear of the display unit 9.
  • the display unit 9 has a horizontally long rectangular shape with rounded corners, and includes a display monitor, a plurality of warning display units, and the like.
  • the main body 1 of the display device includes a heat sink 2, a main board 3 as a board, a sub board, a telltale board, a light guide plate, and a liquid crystal panel in order from the back side to the front side in the cover.
  • a design panel or the like is provided so as to overlap in the front-rear direction.
  • an electronic circuit such as an IC for driving a liquid crystal panel is mounted on the front surface of the main substrate 3, and an amplifier or an external connection is provided on the back surface (back surface) side. Connectors etc. are mounted.
  • the heat radiating plate 2 is provided on the back side of the main substrate 3 and is thermally connected to the main substrate 3. Details of the heat sink 2 will be described later. In that case, the lower half part of the said heat sink 2 is exposed below from a cover.
  • a display unit 9 having a design panel disposed on the front surface is provided on the front surface of the main body 1, and an electronic meter such as a speedometer or a tachometer is provided on the display monitor by driving (display control) of the liquid crystal panel.
  • various warning displays such as seat belts, airbags, door opening / closing, brake fluid, engine oil, and the like are displayed on the warning display unit by turning on LEDs on the telltale board.
  • the main body 1 of the display device is disposed, for example, on an upper surface portion (portion close to the driver's field of view) of a dashboard (instrument panel) in front of the driver's seat.
  • the main body 1 of the display device is a lean as a vehicle structure so that the display portion 9 is exposed on the upper surface of the dashboard and the lower mounting portion is positioned in the dashboard. It is attached to the force 4 (see FIG. 2).
  • the heat radiating plate 2 is for radiating heat generated from the electronic circuit of the main board 3, particularly the main IC and the amplifier, and is composed of a metal plate material such as a steel plate.
  • the heat radiating plate 2 has a main plate portion 2a attached so as to be directed to the back side of the main board 3, and a portion extending in the left-right direction below the main plate portion 2a at a substantially right angle forward. It has a pair of left and right mounting portions 5, 5 as bent.
  • the main plate portion 2a is integrally formed with mounting piece portions 2b that are positioned at four positions on the upper, lower, left and right sides, and extend forward, and the heat sink 2 has the tips of the mounting piece portions 2b at the main ends.
  • the main board 3 and the like are screwed so as to be addressed to the back surface of the board 3.
  • the pair of attachment portions 5 and 5 are provided symmetrically, and each attachment portion 5 is formed with two front and rear connection holes 5a and 5a, as shown in FIG. These coupling holes 5a are connected to the cover.
  • each mounting portion 5 is formed with a mounting hole 5b located in the lower portion, and is fixed to the lean force 4 as described later.
  • the heat radiating plate 2 includes, for example, four heat radiating bodies 7 having a large number of radiating fins 6 arranged side by side on the back surface of the main plate portion 2a.
  • Each radiator 7 is made of a metal material having good thermal conductivity, and integrally has a plurality (six) of radiation fins 6 extending vertically in one surface (back surface side) of a rectangular bottom plate portion 7a. ing. Therefore, as shown in FIG. 3, the large number of heat dissipating fins 6 are respectively provided in the heat dissipating bodies 7 having a configuration in which the whole is divided into four blocks in the left-right direction.
  • each radiator 7 is attached by fixing the bottom plate portion 7a through a mounting hole formed in the main plate portion 2a, but by changing the position (addition) of the mounting hole, each radiator 7 is For example, it can be mounted so that its position can be changed in the vertical direction.
  • 3 and the like show a state in which each radiator 7 is attached to the upper portion of the main plate portion 2a, but the attachment position can be changed at a lower portion of the main plate portion 2a.
  • FIG. 2 shows a state in which only the heat radiating plate 2 is taken out from the main body 1 and attached thereto.
  • a lean force 4 as a vehicle structural material is provided extending in the left-right direction inside the dashboard. It has been.
  • the lean force 4 is provided with a pair of left and right attachment members 8, 8, and although not shown, bolt insertion holes are formed in the distal end portions of the attachment members 8.
  • the main body 1 addresses the pair of left and right mounting portions 5 provided integrally with the heat radiating plate 2 to the mounting members 8 while overlapping the mounting holes 5b with the bolt insertion holes, for example, not shown. It is fixed using bolts and nuts.
  • the heat generated by the electronic components mounted on the board such as the main board 3 is radiated to the outside through the heat radiating plate 2, thereby suppressing the temperature rise in the main body 1. .
  • the heat of the heat radiating plate 2 is effectively radiated into the outside air from the heat radiating fins 6 of the heat radiating body 7.
  • the heat of the heat radiating plate 2 is transmitted to the lean force 4 through the mounting portion 5, and heat is also radiated from the vehicle body through the lean force 4.
  • the heat dissipation effect can be further enhanced, and a sufficient heat dissipation effect can be obtained without forced cooling by the fan device. Therefore, according to the in-vehicle display device of the present embodiment, unlike the conventional fan device, the heat radiation from the heat radiating plate 2 is also performed through the lean force 4, so that the configuration is simple. Even though it is completed, it is possible to effectively dissipate heat and to obtain an excellent effect that an internal temperature rise can be suppressed.
  • the heat dissipating fins 6 provided on the back surface of the heat dissipating plate 2 are configured to be vertically changeable.
  • the body 7) can be provided at any position. At that time, the position of the heat radiating fins 6 can be changed for each of the heat radiating bodies 7 divided into a plurality of blocks, so that the operation of changing the position of the heat radiating fins 6 can be facilitated.
  • a camera, a microphone, a buzzer, and the like for photographing inside or outside the vehicle may be provided in the main body 2 (cover) of the display device 1.
  • the four heat radiating bodies 7 which have the heat radiating fin 6 were attached to the heat radiating plate 2 so that a position change was possible respectively, one heat radiating body which has many radiating fins was attached to the heat radiating plate. You may make it attach to 2 so that fixed or position change is possible.
  • Various modifications can be considered for the structure of the heat radiating fins, such as providing a large number of heat radiating fins integrally with the heat radiating plate, or attaching individual heat radiating fins so that their positions can be changed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

L'invention concerne un dispositif d'affichage monté sur un véhicule attaché sur un élément de structure de véhicule (4) et comportant : un corps principal (1) ; une unité d'affichage (9) qui est mise en œuvre sur la partie de surface avant du corps principal (1) ; un substrat (3) qui est mis en œuvre à l'intérieur du corps principal (1), et sur lequel un circuit électronique destiné à l'entraînement de l'unité d'affichage (9) est monté ; et un dissipateur thermique (2) qui est mis en œuvre sur le corps principal (1), et qui est thermiquement connecté au substrat (3). Le dissipateur thermique (2) a une pièce de fixation intégrée (5) destinée à fixer le corps principal (1) sur l'élément de structure de véhicule (4). L'invention concerne un dispositif d'affichage monté sur un véhicule comportant par ailleurs une pluralité d'ailettes de dissipation de chaleur (6), dans lequel la pluralité d'ailettes de dissipation de chaleur (6) sont attachées sur le dissipateur thermique (2) de telle sorte que les positions de fixation de celui-ci peuvent être modifiées. L'invention concerne un dispositif d'affichage monté sur un véhicule comportant par ailleurs une pluralité de corps de dissipation de chaleur (7), dans lequel la pluralité d'ailettes de dissipation de chaleur (6) sont mises en œuvre sur chacun de la pluralité de corps de dissipation de chaleur (7), et les corps de dissipation de chaleur (7) sont attachés sur le dissipateur thermique (2) de telle sorte que les positions de fixation de celui-ci peuvent être modifiées.
PCT/JP2014/002271 2013-04-30 2014-04-23 Dispositif d'affichage monté sur un véhicule WO2014178175A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-095276 2013-04-30
JP2013095276A JP2014213826A (ja) 2013-04-30 2013-04-30 車載用表示装置

Publications (1)

Publication Number Publication Date
WO2014178175A1 true WO2014178175A1 (fr) 2014-11-06

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PCT/JP2014/002271 WO2014178175A1 (fr) 2013-04-30 2014-04-23 Dispositif d'affichage monté sur un véhicule

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JP (1) JP2014213826A (fr)
WO (1) WO2014178175A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104575272A (zh) * 2014-12-19 2015-04-29 王一伊 一种车载显示屏
US9625220B1 (en) 2015-11-10 2017-04-18 International Business Machines Corporation Structurally dynamic heat sink
CN108995606A (zh) * 2018-07-25 2018-12-14 合肥市智信汽车科技有限公司 一种车载显示屏用减震机构

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209765246U (zh) 2018-05-31 2019-12-10 松下知识产权经营株式会社 摄像装置
JP7120191B2 (ja) 2019-09-17 2022-08-17 株式会社デンソー 表示装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63121884A (ja) * 1986-11-11 1988-05-25 株式会社デンソー 車両用蛍光表示管装置
JPH077281A (ja) * 1993-06-16 1995-01-10 Matsushita Electric Ind Co Ltd 放熱装置
JPH0752719A (ja) * 1993-08-11 1995-02-28 Matsushita Electric Ind Co Ltd 車載用ｇｐｓ装置の熱収集伝達構造
JPH07302995A (ja) * 1994-05-10 1995-11-14 Nippondenso Co Ltd 複数プリント板連結構造
JPH11278100A (ja) * 1998-03-30 1999-10-12 Nippon Seiki Kk 表示装置
JP2007243051A (ja) * 2006-03-10 2007-09-20 Fujitsu Ltd 放熱装置
JP2009018611A (ja) * 2007-07-10 2009-01-29 Funai Electric Co Ltd 車載用ポータブルナビゲーション装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63121884A (ja) * 1986-11-11 1988-05-25 株式会社デンソー 車両用蛍光表示管装置
JPH077281A (ja) * 1993-06-16 1995-01-10 Matsushita Electric Ind Co Ltd 放熱装置
JPH0752719A (ja) * 1993-08-11 1995-02-28 Matsushita Electric Ind Co Ltd 車載用ｇｐｓ装置の熱収集伝達構造
JPH07302995A (ja) * 1994-05-10 1995-11-14 Nippondenso Co Ltd 複数プリント板連結構造
JPH11278100A (ja) * 1998-03-30 1999-10-12 Nippon Seiki Kk 表示装置
JP2007243051A (ja) * 2006-03-10 2007-09-20 Fujitsu Ltd 放熱装置
JP2009018611A (ja) * 2007-07-10 2009-01-29 Funai Electric Co Ltd 車載用ポータブルナビゲーション装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104575272A (zh) * 2014-12-19 2015-04-29 王一伊 一种车载显示屏
US9625220B1 (en) 2015-11-10 2017-04-18 International Business Machines Corporation Structurally dynamic heat sink
US9644907B1 (en) 2015-11-10 2017-05-09 International Business Machines Corporation Structurally dynamic heat sink
US10247489B2 (en) 2015-11-10 2019-04-02 International Business Machines Corporation Structural dynamic heat sink
CN108995606A (zh) * 2018-07-25 2018-12-14 合肥市智信汽车科技有限公司 一种车载显示屏用减震机构
CN108995606B (zh) * 2018-07-25 2021-10-01 合肥市智信汽车科技有限公司 一种车载显示屏用减震机构

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