WO2013136810A1 - Appareil électronique - Google Patents

Appareil électronique Download PDF

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Publication number
WO2013136810A1
WO2013136810A1 PCT/JP2013/001752 JP2013001752W WO2013136810A1 WO 2013136810 A1 WO2013136810 A1 WO 2013136810A1 JP 2013001752 W JP2013001752 W JP 2013001752W WO 2013136810 A1 WO2013136810 A1 WO 2013136810A1
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WO
WIPO (PCT)
Prior art keywords
outside air
main body
body case
air passage
fan
Prior art date
Application number
PCT/JP2013/001752
Other languages
English (en)
Japanese (ja)
Inventor
安井　伸行
雅史 松井
杉山　誠
柴田　洋
誉章 細野
勝見　佳正
Original Assignee
パナソニック株式会社
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 パナソニック株式会社 filed Critical パナソニック株式会社
Publication of WO2013136810A1 publication Critical patent/WO2013136810A1/fr

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/202—Air circulating in closed loop within enclosure wherein heat is removed through heat-exchangers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
    • H05K7/20972—Forced ventilation, e.g. on heat dissipaters coupled to components

Definitions

  • the present invention relates to an electronic device.
  • a display unit is provided on the front side inside the main body case, and a control unit for the display unit is provided inside the main body case. And the back side of a control part is covered with the partition plate.
  • the electronic device is used by being suspended from a ceiling (for example, Patent Document 1).
  • a metal partition plate is provided on the back side of the main body case, and a plurality of metal fins are provided inside and outside the partition plate. And the air in a main body case was stirred with the air blower.
  • the heat in the main body case is transmitted to the fins in the main body case.
  • heat is transferred from the fin to the partition plate by heat conduction, and then heat is transferred to the fin outside the main body case by heat conduction. The heat was released to the outdoor air from the fins outside the main body case.
  • the electronic device of the present invention includes a display housed on the front side in the main body case and a cooling unit provided on the back side of the display in the main body case.
  • the cooling unit includes an outside air introduction port, an outside air discharge port, a unit case, a heat exchanger, an outside air introduction fan, and an inside air circulation fan.
  • An outside air introduction chamber is formed from the outside air inlet to the inside of the main body case.
  • the heat exchanger is formed by stacking an outside air passage and an inside air passage, and exchanges heat between the outside air that is air outside the main body case and the inside air that is air inside the main body case via a wall surface that partitions the outside air passage and the inside air passage.
  • outside air introduced into the unit case from the outside air introduction port is discharged from the outside air discharge port to the outside of the main body case through the outside air passage. Further, the inside air passes through the inside air passage and the vicinity of the surface of the display by driving the inside air circulation fan.
  • Such electronic equipment radiates heat from the display to the inside air because the inside air passes near the surface of the display. Then, the outside air heat-exchanged with the inside air in the heat exchanger radiates heat outside the main body case. Therefore, even if the electronic device has a sealed structure, the display unit can sufficiently dissipate heat.
  • FIG. 1 is a perspective view showing an electronic apparatus according to an embodiment of the present invention.
  • FIG. 2 is a rear perspective view of the electronic device.
  • FIG. 3 is an exploded perspective view of the back side of the electronic device.
  • FIG. 4 is an exploded perspective view of the rear side of the cooling unit of the electronic device.
  • FIG. 5 is a rear side exploded perspective view showing an outside air passage and an inside air passage of the electronic apparatus.
  • FIG. 6A is a perspective view of a heat exchanger of the electronic device.
  • FIG. 6B is an exploded perspective view of a heat exchanger air path of the electronic device.
  • FIG. 7A is a cross-sectional view showing an outside air path of the electronic device.
  • FIG. 7B is a partially cut perspective view showing an outside air path of the electronic apparatus.
  • FIG. 1 is a perspective view showing an electronic apparatus according to an embodiment of the present invention.
  • FIG. 2 is a rear perspective view of the electronic device.
  • FIG. 3 is an exploded perspective view
  • FIG. 8A is a cross-sectional view showing an internal airway of the electronic device.
  • FIG. 8B is a partially cut perspective view showing an internal air passage of the electronic apparatus.
  • FIG. 9 is a plan view with the back plate removed when the electronic apparatus is installed horizontally.
  • FIG. 10 is a plan view with the back plate removed when the electronic apparatus is installed vertically.
  • FIG. 11 is a perspective view of a main part of the electronic device with a back plate removed.
  • FIG. 12 is a plan view of the main part of the electronic apparatus with the back plate removed.
  • FIG. 13A is an internal configuration diagram in the case where a water intrusion prevention plate is not provided for comparison of the same electronic device.
  • 13B is a cross-sectional view taken along line 13B-13B of FIG. 13A.
  • FIG. 14A is an internal configuration diagram of the electronic device according to the embodiment of the present invention.
  • 14B is a cross-sectional view taken along line 14B-14B of FIG. 14A.
  • FIG. 1 is a perspective view showing an electronic apparatus according to an embodiment of the present invention
  • FIG. 2 is a rear perspective view of the electronic apparatus.
  • the electronic device 1 shown in FIGS. 1 and 2 can display an advertisement for outdoor use in addition to the function as a television receiver.
  • a display 5 is housed on the front side 2 b in the main body case 2.
  • FIG. 3 is a rear side exploded perspective view of the electronic device according to the embodiment of the present invention
  • FIG. 4 is a rear side exploded perspective view of the cooling unit of the electronic device.
  • the electronic device 1 includes a display 5 and a cooling unit 6.
  • a cooling unit 6 is housed on the back side 2 a of the display 5 in the main body case 2.
  • the cooling unit 6 includes an outside air inlet 3, an outside air outlet 4, a unit case 7, a heat exchanger 8 housed in the unit case 7, an outside air introduction fan 9, and an inside air circulation fan 10.
  • the unit case 7 is a rectangular parallelepiped having a rectangular surface that is substantially the same size as the back surface of the main body case 2 so as to conform to the shape of the electronic device 1.
  • the unit case 7 is provided with an outside air introduction port 3 on the short side 7a and an outside air discharge port 4 on the long side 7b.
  • the outside air discharge port 4 may be provided on the short side 7a of the unit case 7, and the outside air introduction port 3 may be provided on the long side 7b.
  • the outer shell of the cooling unit 6 is formed of a container 11 having an open back side 2a and a back plate 13. Inside the container 11, an outside air introduction fan 9, an inside air circulation fan 10, and a heat exchanger 8 are provided by being partitioned by a partition plate 12. A back plate 13 covers the opening of the container 11.
  • FIG. 5 is a rear side exploded perspective view showing the outside air passage and the inside air passage of the electronic apparatus according to the embodiment of the present invention.
  • the cooling unit 6 is provided with a heat exchanger 8 on one side in the longitudinal direction inside the unit case 7, and an outside air introduction fan 9 and an inside air circulation fan 10 on the other side.
  • the heat exchanger 8 is arranged along one of the short sides 7 a of the unit case 7 in the unit case 7.
  • An outside air introduction fan 9 and an inside air circulation fan 10 are arranged along the other of the short sides 7 a of the unit case 7.
  • An outside air introduction chamber 31 is formed inward of the main body case 2 from the outside air introduction port 3.
  • FIG. 6A is a perspective view of the heat exchanger of the electronic device according to the embodiment of the present invention
  • FIG. 6B is an exploded perspective view of the heat exchanger air path of the electronic device.
  • the heat exchanger 8 is formed by laminating an outside air passage 14 and an inside air passage 15.
  • heat exchange between the outside air 32 and the inside air 33 is performed via a wall surface 8 a that partitions the outside air passage 14 and the inside air passage 15.
  • the outside air 32 is the air outside the main body case 2 shown in FIG.
  • the inside air 33 is air in the main body case 2.
  • a plurality of outside air passages 14 and inside air passages 15 are provided alternately.
  • a wall surface 8a between the outside air passage 14 and the inside air passage 15 is made of synthetic resin.
  • a rib is provided on the surface of the wall surface 8 a to form a gap between the adjacent wall surfaces 8 a, and the gap serves as the outside air passage 14 or the inside air passage 15. More specifically, as shown in FIG. 6B, the outside air passage 14 is provided with a ventilation lane by a U-shaped rib.
  • the inside air passage 15 is provided with a ventilation lane with L-shaped ribs.
  • the outside air passage 14 and the inside air passage 15 form a long ventilation lane along the long side of the rib.
  • the outside air passage 14 and the inside air passage 15 face each other. That is, a large counterflow region is ensured (the counterflow has higher heat exchange efficiency than the crossflow). Therefore, the heat exchange efficiency when the inside air 33 and the outside air 32 are ventilated increases.
  • rectangular wall surfaces 8a forming the outside air passages 14 and substantially congruent rectangular wall surfaces 8a forming the inside air passages 15 are alternately stacked.
  • the inside air passage inlet 25 into which the inside air 33 of the inside air passage 15 flows is provided on the side where the end of the ventilation lane contacts, that is, on the short side of the rib.
  • the inside air passage outlet 26) through which the inside air 33 flows out is provided on the long side of the rib.
  • the outside air passage inlet 20 into which the outside air 32 of the outside air passage 14 flows is provided on the long side of the rib, and the outside air passage outlet 21 is provided on the same long side of the rib.
  • the thickness direction of the heat exchanger 8 becomes thin.
  • the inside air passage 15 is formed along the long side 7 b of the unit case 7, so that the outside air 32 and the inside air 33 flow through the entire electronic device 1. Therefore, the entire electronic device 1 is cooled.
  • FIG. 7A is a cross-sectional view showing an outside air path of the electronic device according to the embodiment of the present invention
  • FIG. 7B is a partially cut perspective view showing the outside air path of the electronic device.
  • the outside air 32 introduced into the unit case 7 from the outside air introduction port 3 through the outside air passage 14 of the heat exchanger 8 is driven from the outside air discharge port 4 by driving the outside air introduction fan 9. It is discharged out of the main body case 2.
  • FIG. 8A is a cross-sectional view showing an internal air passage of the electronic device according to the embodiment of the present invention
  • FIG. 8B is a partially cut perspective view showing the internal air passage of the electronic device.
  • the inside air 33 in the main body case 2 is driven by the inside air circulation fan 10 so that the inside air passage 15 of the heat exchanger 8, the vicinity of the surface of the display 5, and the back side 2 a of the display 5.
  • Passes near the surface of the controller 16 provided in The controller 16 is connected to the display 5, the outside air introduction fan 9 and the inside air circulation fan 10 shown in FIG. 7B, and controls them.
  • the inside air circulation fan 10 is provided with an inside air circulation fan inlet 23 on the front side 2 b in the body case 2 and an inside air circulation fan outlet 24 in the body case 2. Further, the inside air passage 15 of the heat exchanger 8 is provided with an inside air passage inlet 25 in the main body case 2 and an inside air passage outlet 26 on the front side 2 b in the main body case 2. Thereby, the inside air circulation fan inlet 23, the inside air circulation fan outlet 24, the inside air passage inlet 25, the inside air passage 15, the inside air passage outlet 26, the vicinity of the surface of the indicator 5 and the controller 16, and the inside air circulation fan inlet. 23 is formed.
  • a cover 17 is disposed on the front surface of the main body case 2 so as to be separated from the front surface of the display 5 by a predetermined distance.
  • Inside air 33 due to the driving of the inside air circulation fan 10 also flows through the gap between the back side 2 a of the cover 17 and the front side 2 b of the display 5.
  • the outside air introduction fan 9 is provided with an outside air introduction fan inlet 18 on the back side 2 a in the main body case 2 and an outside air introduction fan outlet 19 in the main body case 2.
  • the heat exchanger 8 includes an outside air passage inlet 20 and an outside air passage outlet 21 of the outside air passage 14 on the back side 2 a in the main body case 2.
  • the outside air introduction port 3 of the main body case 2 As shown in FIGS. 5, 7A, and 7B, the outside air introduction port 3 of the main body case 2, the outside air introduction chamber 31, the outside air passage inlet 20, the outside air passage 14, the outside air passage outlet 21, and the outside air introduction fan of the cooling unit 6.
  • the inflow port 18, the outside air introduction fan outflow port 19, and the outside air discharge port 4 of the main body case 2 are connected to form an outside air passage 34.
  • the outside air introduction chamber 31 has one end connected to the inner wall 7c on the back side of the unit case 7, for example, the inside of the partition plate 12 of the unit case 7, and the other end side A water intrusion prevention plate 22 that is a free edge 22a is provided.
  • the water intrusion prevention plate 22 is inclined inward of the main body case 2.
  • the side opposite to the fixed side exists in the outside air introduction chamber 31 as a free end, and is inclined so as to move away from the outside air introduction port 3 from the fixed side to the free end.
  • the prevention plate outside air introduction port surface 22b facing the outside air introduction port 3 of the water intrusion prevention plate 22 has a slope that becomes far from the back side inner wall surface 7c toward the free end 22a, followed by a slope that is close to the outside air introduction port 3. is doing.
  • the free end 22 a of the water intrusion prevention plate 22 is inclined inward of the main body case 2. Therefore, the water intrusion prevention plate 22 has lower ventilation resistance than the case where a plate for preventing intrusion of rainwater or the like is provided in the opening of the outside air introduction port 3 or the outside air discharge port 4 in parallel with the outer peripheral surface of the unit case 7. Become.
  • the water intrusion prevention plate 22 not only prevents intrusion of rainwater or the like into the controller 16 or the like inside the main body case 2 but also uniformly distributes the outside air 32 introduced into the main body case 2 from the outside air introduction port 3. It plays the role of air path control sent into the heat exchanger 8.
  • the outside air 32 is introduced from the outside air introduction port 3 by driving the outside air introduction fan 9 and gets over the free end 22 a of the water intrusion prevention plate 22.
  • the outside air 32 flows through the outside air passage 34, which continues to the outside air passage inlet 20, the outside air passage 14, the outside air passage outlet 21, the outside air introduction fan inlet 18, the outside air introduction fan outlet 19, and the outside air discharge port 4.
  • FIG. 9 is a plan view with the back plate removed when the electronic device according to the embodiment of the present invention is installed horizontally
  • FIG. 10 is a plan view with the back plate removed when the electronic device is installed vertically.
  • FIG. 9 is a diagram obtained by redrawing the perspective view of FIG. 5 into a plan view.
  • the outside air inlet 3 is provided on the short side 7a of the unit case 7, and the outside air outlet 4 is provided on the long side 7b.
  • the outside air introduction port 3 is arranged on the bottom surface of the main body case 2, and the outside air discharge port 4 is arranged on the side surface of the main body case 2.
  • the outside air discharge port 4 is disposed on the bottom surface of the body case 2, and the outside air introduction port 3 is the body case 2. It is arranged on the side.
  • FIG. 11 is a perspective view of a principal part with the back plate of the electronic apparatus according to the embodiment of the present invention removed.
  • the wiring 27 connects the controller 16 and the outside air introduction fan 9 shown in FIG. 7B. As shown in FIG. 11, the wiring 27 is introduced from the controller 16 into the inside air circulation fan case 10a of the inside air circulation fan 10 (on the side of the heat exchanger 8 partitioned by the partition plate 12 in the container 11 shown in FIG. 4). Is done. Next, the wiring 27 is led out of the inside air circulation fan case 10a from the back side 2a of the inside air circulation fan case 10a.
  • the wiring 27 is connected to the outside air introduction fan 9 from the back side 2a of the outside air introduction fan case 9a (the side opposite to the heat exchanger 8 partitioned by the partition plate 12 in the container 11 shown in FIG. 4).
  • the air is introduced into the case 9 a and connected to the outside air introduction fan 9.
  • the outside air introduction fan case 9a (in the container 11 shown in FIG. 4, the side opposite to the heat exchanger 8 partitioned by the partition plate 12) is in a negative pressure state.
  • the inside air circulation fan case 10a (the heat exchanger 8 side partitioned by the partition plate 12 in the container 11 shown in FIG. 4) is in a pressurized state. For this reason, even if rainwater or the like enters the outside air introduction fan case 9a, the rainwater or the like is less likely to leak out of the outside air introduction fan case 9a through the wiring 27. Even if rainwater or the like leaks out, it is difficult to enter the inside air circulation fan case 10a.
  • FIG. 12 is a plan view of a principal part with the back plate of the electronic device according to the embodiment of the present invention removed.
  • the outside air introduction chamber 31 provided with the water intrusion prevention plate 22 is provided with a drainage slope 28 having one end connected to the inner surface 31 a of the outside air introduction chamber 31 and the other end opened to the outside of the main body case 2.
  • a drainage slope 28 is provided as follows. The inner surface on the heat exchanger 8 side between one end of the drainage slope 28 and the inner side of the outer peripheral surface of the unit case 7 serving as the bottom surface to the lower side 22c of the water intrusion prevention plate 22 (lower end when the main body case 2 is installed horizontally) Connected to 31a. Further, the other end of the drainage slope 28 is opened from the inner peripheral surface of the main body case 2 provided with the outside air inlet 3 to the outer side of the main body case 2.
  • the drainage slope 28 has a slope that descends toward the outside air inlet 3 side.
  • the outside air 32 is introduced by using such a drainage slope 28 even if rainwater or the like enters from the outside air introduction port 3, the rainwater or the like hits the water intrusion prevention plate 22 and travels down through the water entry prevention plate 22. Flowing. Since rainwater or the like flows out of the unit case 7 along the drainage slope 28, it does not enter the downstream of the above-described outside air passage 34.
  • the drainage slope 28 is provided at a height from the inner periphery of the unit case 7 serving as the bottom surface to the lower side 22c of the water intrusion prevention plate 22 (the lower end when the main body case 2 is installed vertically).
  • One end of the drainage slope 28 is connected to the inner surface 31 a of the outside air introduction chamber 31 on the heat exchanger 8 side, and the other end is opened from the inside of the outer peripheral surface of the main body case 2 provided with the outside air discharge port 4 to the outside of the unit case 7.
  • a raising member 29 is provided between the lower surface 7 d of the unit case 7 and the heat exchanger 8. Specifically, when the main body case 2 is installed horizontally, the raising member 29 having a thickness longer than the distance h from the lower surface 7d of the unit case 7 serving as the bottom surface to the lower side 22c of the water intrusion prevention plate 22 is 7 is installed inside the outer peripheral surface. By providing such a raising member 29, even when rainwater or the like stays inside the outer peripheral surface of the unit case 7, the intrusion of rainwater or the like into the controller 16 or the like inside the cooling unit 6 or inside the main body case 2 is prevented. it can.
  • FIG. 13A is an internal configuration diagram in the case where a water intrusion prevention plate is not provided for comparison of the electronic device according to the embodiment of the present invention
  • FIG. 13B is a cross-sectional view taken along line 13B-13B in FIG. 13A.
  • the outside air 32 introduced from the outside air introduction port 3 is the easiest air passage in the outside air passage 34, that is, from the outside air introduction port 3 to the outside air introduction fan 9. It tends to flow toward the shortest distance toward
  • FIG. 14A is an internal configuration diagram of the electronic device according to the embodiment of the present invention
  • FIG. 14B is a cross-sectional view taken along line 14B-14B of FIG. 14A.
  • the cooling capacity of the heat exchanger 8 can be easily increased by increasing the number of layers of the outside air passage 14 and the inside air passage 15.
  • the wall surface 8a between the outside air passage 14 and the inside air passage 15 can be formed of synthetic resin, the weight can be reduced.
  • the unit case 7 serves as the exterior of the electronic device 1, but the main body case 2 may cover the electronic device 1.
  • an external air introduction port 3 and an external air discharge port 4 are provided in the main body case 2, and an external air introduction chamber 31 and a water intrusion prevention plate 22 are provided in the main body case 2.
  • the present invention can be widely used in outdoor installation type electronic devices that require heat dissipation.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

L'invention concerne un appareil électronique (1) comprenant un indicateur (5) et une unité de refroidissement (6). De l'air externe (32), entraîné au moyen d'un ventilateur (9) d'introduction d'air externe de façon à être introduit dans un boîtier d'unité (7) par un orifice (3) d'introduction d'air externe, est rejeté vers l'extérieur d'un boîtier de corps principal (2) par un orifice (4) de rejet d'air externe par le biais d'un passage d'air externe (14), et de l'air interne est entraîné au moyen d'un ventilateur de circulation d'air interne de façon à passer à travers un passage d'air interne et une zone proche de la surface de l'indicateur (5).
PCT/JP2013/001752 2012-03-16 2013-03-15 Appareil électronique WO2013136810A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2012059780 2012-03-16
JP2012-059780 2012-03-16
JP2012169140A JP2013218257A (ja) 2012-03-16 2012-07-31 電子機器
JP2012-169140 2012-07-31

Publications (1)

Publication Number Publication Date
WO2013136810A1 true WO2013136810A1 (fr) 2013-09-19

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ID=49160733

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Application Number Title Priority Date Filing Date
PCT/JP2013/001752 WO2013136810A1 (fr) 2012-03-16 2013-03-15 Appareil électronique

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WO (1) WO2013136810A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103687397B (zh) * 2013-12-18 2016-08-31 北京航天测控技术有限公司 一种加固密封机箱装置
JP2018206906A (ja) * 2017-06-02 2018-12-27 株式会社日立製作所 駅用案内表示器
KR102646114B1 (ko) * 2018-11-09 2024-03-12 삼성전자주식회사 디스플레이 장치

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63153596U (fr) * 1987-03-30 1988-10-07
JP2000040474A (ja) * 1998-07-23 2000-02-08 Mitsubishi Electric Corp プラズマディスプレイパネル及びプラズマディスプレイ装置
JP2005309271A (ja) * 2004-04-26 2005-11-04 Matsushita Electric Ind Co Ltd 表示装置
JP2010102227A (ja) * 2008-10-27 2010-05-06 Kita Denshi Corp 屋外用両面表示装置
JP2010134201A (ja) * 2008-12-04 2010-06-17 Sanyo Electric Co Ltd 画像表示装置
JP2011014715A (ja) * 2009-07-02 2011-01-20 Panasonic Corp 放熱ユニットとそれを用いた電子機器
WO2011114660A1 (fr) * 2010-03-17 2011-09-22 パナソニック株式会社 Unité de rayonnement thermique pour appareil électronique et appareil électronique la comprenant

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63153596U (fr) * 1987-03-30 1988-10-07
JP2000040474A (ja) * 1998-07-23 2000-02-08 Mitsubishi Electric Corp プラズマディスプレイパネル及びプラズマディスプレイ装置
JP2005309271A (ja) * 2004-04-26 2005-11-04 Matsushita Electric Ind Co Ltd 表示装置
JP2010102227A (ja) * 2008-10-27 2010-05-06 Kita Denshi Corp 屋外用両面表示装置
JP2010134201A (ja) * 2008-12-04 2010-06-17 Sanyo Electric Co Ltd 画像表示装置
JP2011014715A (ja) * 2009-07-02 2011-01-20 Panasonic Corp 放熱ユニットとそれを用いた電子機器
WO2011114660A1 (fr) * 2010-03-17 2011-09-22 パナソニック株式会社 Unité de rayonnement thermique pour appareil électronique et appareil électronique la comprenant

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