WO2018079909A1 - Système de refroidissement d'un dispositif d'affichage d'informations d'extérieur - Google Patents

Système de refroidissement d'un dispositif d'affichage d'informations d'extérieur Download PDF

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Publication number
WO2018079909A1
WO2018079909A1 PCT/KR2016/013378 KR2016013378W WO2018079909A1 WO 2018079909 A1 WO2018079909 A1 WO 2018079909A1 KR 2016013378 W KR2016013378 W KR 2016013378W WO 2018079909 A1 WO2018079909 A1 WO 2018079909A1
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WO
WIPO (PCT)
Prior art keywords
housing
inlet
discharge
circulation fan
fan
Prior art date
Application number
PCT/KR2016/013378
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English (en)
Korean (ko)
Inventor
김용태
장상훈
Original Assignee
주식회사 현대아이티
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Application filed by 주식회사 현대아이티 filed Critical 주식회사 현대아이티
Publication of WO2018079909A1 publication Critical patent/WO2018079909A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N3/00—Generators in which thermal or kinetic energy is converted into electrical energy by ionisation of a fluid and removal of the charge therefrom
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
    • H02N11/002—Generators
    • 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
    • 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 a cooling system for an outdoor information display device, and more particularly, to stable operation even in a high temperature environment through efficient heat dissipation, and the possibility of device failure due to inflow of water such as rainwater or foreign matter such as dust.
  • the present invention relates to a cooling system of an outdoor information display apparatus which can prevent the occurrence of the present invention.
  • An information display apparatus also called a smart board or electronic bulletin board, is a device that receives a command from a user through a touch interface and outputs information corresponding to the command. It is used for various purposes such as presentations.
  • a large display is applied to the information display apparatus, and is configured to allow a user to directly write on the display. Therefore, when giving a presentation in a lecture or a meeting using an information display device, the user stands on one side (eg, left and right) of the copyboard and explains the description at the convenience of explanation.
  • information display devices have many advantages such as variety of information provision and ease of use, their use is increasing in all industries, and they are popular for outdoor lectures, presentations, and streets. It is also used as a means for providing traffic information.
  • the outdoor environment is known to be very harsh compared to the indoor environment.
  • the temperature inside the display system exceeds 90 ° C. due to the direct sunlight caused by summer sunlight and the heat of the display itself.
  • a blackout phenomenon occurs in the display.
  • a blackout phenomenon occurs on the display, a fatal problem occurs because the screen is displayed in black so that a character or an image cannot be displayed and thus, the display cannot function as a display.
  • Such a blackout phenomenon is known to occur mainly due to an increase in display front temperature caused by direct sunlight.
  • an object of the present invention is to provide a cooling system for an outdoor information display apparatus that can stably operate even in a high temperature environment through efficient heat dissipation.
  • an object of the present invention is to provide a cooling system for an outdoor information display device that can prevent the possibility of device failure due to the inflow of moisture, such as rainwater, foreign matters, such as dust.
  • Cooling system of the outdoor information display device for solving this problem is a protective cover of a transparent material installed in the front portion of the housing, a display panel embedded in the housing spaced apart from the protective cover, the rear portion of the housing Is installed in the lower portion of the inlet for the outside air flows, is provided on the upper portion of the rear portion of the housing, the discharge portion for exhausting the internal air, the lower portion of the separation area located between the protective cover and the front portion of the display panel
  • a first circulation fan configured to circulate outside air introduced through the inlet through the separation region, and a second circulation fan circulating outside air introduced through the inlet through the rear portion of the display panel;
  • the internal air circulated by the first circulation fan and the second circulation fan Operation of the first circulation fan, the second circulation fan, the discharge fan according to the discharge fan for discharging through the outlet, the temperature sensor for detecting the internal temperature of the housing and the internal temperature of the housing transmitted by the temperature sensor It includes a control unit for controlling.
  • the inlet and outlet of the cooling system of the outdoor information display device according to the present invention is characterized in that the protection guide for preventing the inflow of rainwater from the outside.
  • the inlet of the cooling system of the outdoor information display device is formed in the rear portion of the housing and the inlet protection guide for preventing the inflow of rain from the outside, the outer inlet formed in the lower portion of the inlet protection guide, based on the outer inlet Located inside the housing, and formed at a position higher than the lower end of the inflow protection guide, to prevent rainwater introduced through the outer inlet to enter the interior of the housing, the outside introduced through the outer inlet
  • It is characterized in that it comprises an inlet filter for providing a passage for allowing the air to enter the interior of the housing and the inlet filter is installed in the inner inlet to prevent the inflow of foreign matter from the outside.
  • the discharge portion of the cooling system of the outdoor information display apparatus the discharge protection guide extending from the rear portion of the housing to prevent rain water from entering, the outer discharge port formed in the lower portion of the discharge protection guide, the inside of the outer discharge port It is located in, and is formed at a position higher than the lower end of the discharge protection guide, to prevent the rain water introduced through the outer outlet flows into the interior of the housing, the internal air of the housing via the outer outlet through the It is characterized in that it comprises an inner discharge port for providing a passage for discharging to the outside of the housing and the discharge filter is installed in the inner discharge port to prevent the inflow of foreign matter from the outside.
  • the control unit of the cooling system of the outdoor information display apparatus calculates a time average value for the internal temperature of the housing received from the temperature sensor, and the discharge fan is operated when the time average value exceeds the set first temperature threshold value. And controlling the first circulation fan and the second circulation fan to additionally operate when the time average exceeds a second threshold higher than the first temperature threshold.
  • the control unit of the cooling system of the outdoor information display apparatus is a matching table that stores a corresponding relationship between the time average value for the internal temperature of the housing and the rotational speed of the first circulation fan, the second circulation fan, the discharge fan
  • the rotation speed of the first circulation fan, the second circulation fan, and the discharge fan may be adaptively controlled based on an internal temperature of the housing.
  • an outdoor information display device that can be stably operated even in a high temperature environment through efficient heat release.
  • the outdoor information display device that can prevent the possibility of device failure due to the inflow of moisture, such as rainwater, foreign matters, such as dust.
  • FIG. 1 is a conceptual cross-sectional view of a cooling system of an outdoor information display apparatus according to an embodiment of the present invention
  • FIG. 2 is an enlarged view of the configuration of the inlet of FIG. 1 according to one embodiment of the present invention
  • FIG. 3 is a view for explaining the air inlet and outlet process in an embodiment of the present invention.
  • FIG. 4 is a diagram for describing a detailed operation of a cooling system of an outdoor information display apparatus according to an exemplary embodiment.
  • FIG. 1 is a conceptual cross-sectional view of a cooling system of an outdoor information display apparatus according to an embodiment of the present invention
  • Figure 2 is an enlarged view showing the configuration of the inlet of Figure 1 in an embodiment of the present invention
  • 3 is a view for explaining the air inlet and outlet process in an embodiment of the present invention.
  • a cooling system of an outdoor information display apparatus includes a housing 5, a protective cover 10, a display panel 20, an inlet 30, and an outlet. 40, a first circulation fan 52, a second circulation fan 54, a discharge fan 56, a temperature sensor 80, and a controller 100.
  • the housing 5 is a means for accommodating the components of the outdoor information display apparatus and configuring the appearance of the apparatus.
  • the housing 5 is represented as having a rectangular parallelepiped shape, but this is only one example, and the housing 5 may be configured to have various appearances as necessary.
  • the front part of the housing 5 is the housing 5 on the side where the display panel 20 is installed, that is, the side where the user is located, and the rear part of the housing 5 is the housing 5 on the opposite side. to be.
  • an opening for exposing a screen provided by the display panel 20 to a user is formed on the front portion of the housing 5 to have a shape corresponding to the shape of the display panel 20, and the housing 5 In the rear portion of the) is provided with an inlet 30 for providing a passage through which the outside air flows into the interior of the housing 5 and a discharge portion 40 for discharging the internal air of the housing 5 to the outside.
  • the protective cover 10 is installed in an opening formed in the front portion of the housing 5, and functions to protect components including the display panel 20 from external physical factors.
  • the protective cover 10 may be made of various materials having a transparent material, for example, glass may be applied as the protective cover 10.
  • the display panel 20 is embedded in the housing 5 while being spaced apart from the protective cover 10 and performs a function of visually providing information to the user under the control of the controller 100.
  • a separation area A exists between the display panel 20 and the protective cover 10, and the first circulation fan 52, which will be described later, circulates outside air through the separation area A, thereby displaying the display panel 20. Circulates heat existing in the front part side of) and discharges it to the outside.
  • the inlet part 30 is installed at the lower part of the rear part of the housing 5 and provides a passage through which outside air enters the inside of the housing 5, and the outlet part 40 is located at the upper part of the rear part of the housing 5. It provides a passageway through which internal air is discharged to the outside.
  • the inlet part 30 and the outlet part 40 may be configured such that protection guides 310 and 410 are formed to prevent the inflow of rainwater from the outside.
  • the inlet 30 may include an inlet protection guide 310, an outer inlet 320, an inner inlet 330, and an inlet filter 340.
  • the inflow protection guide 310 extends downward from the rear side of the housing 5, that is, toward the ground, and serves to prevent rainwater from inflowing from the outside.
  • the outer inlet 320 is an opening region formed at the bottom of the inflow protection guide 310, and is a region that primarily passes when outside air is introduced into the housing 5.
  • the inner inlet 330 is located inside the housing 5 with respect to the outer inlet 320 and is formed at a position higher than the lower end of the inlet protection guide 310. As such, when there is a step H between the inner inlet 330 and the lower end of the protective guide, rainwater falling to the ground by gravity may be introduced through the outer inlet 320 by an external force such as wind. Rainwater introduced through the outer inlet 320 may not flow back into the housing 5 against gravity. That is, the rainwater introduced through the outer discharge port 420 is prevented from entering the interior of the housing (5).
  • the inner inlet 330 serves to provide a passage for allowing external air introduced through the outer inlet 320 to be introduced into the housing 5.
  • the inlet filter 340 is installed in the inner inlet 330, and serves to prevent the inflow of foreign substances from the outside.
  • the discharge part 40 may be configured to have a structure substantially the same as or similar to that of the inlet part 30, and an enlarged representation of the inlet part 30 may be referred to the description of the discharge part 40.
  • the discharge unit 40 may include a discharge protection guide 410, an outer discharge port 420, an inner discharge port 430, and an discharge filter 440.
  • the discharge protection guide 410 extends downward from the rear portion of the housing 5 and serves to prevent rainwater from entering from the outside.
  • the outer outlet 420 is formed under the discharge protection guide 410 and provides a final passage through which the internal air of the housing 5 is discharged to the outside.
  • the inner discharge port 430 is located inside the outer discharge hole 420 and is formed at a position higher than the lower end of the discharge protection guide 410.
  • the inner outlet 430 prevents rainwater introduced through the outer outlet 420 from entering the interior of the housing 5, and the internal air of the housing 5 passes through the outer outlet 420. It serves to provide a passage to be discharged to the outside of the).
  • Discharge filter 440 is installed in the inner discharge port 430, and serves to prevent the inflow of foreign matter from the outside.
  • the first circulation fan 52 is installed at a lower portion of the separation area A positioned between the protective cover 10 and the front portion of the display panel 20, and receives external air introduced through the inlet 30. Circulate through the spaced area. In the process in which the first circulation fan 52 circulates the outside air introduced through the inlet 30 through the separation region, heat existing in the space of the separation region A, that is, the front side of the display panel 20, Circulated and discharged to the outside.
  • the second circulation fan 54 circulates external air introduced through the inlet 30 through the rear surface of the display panel 20. That is, the second circulation fan 54 circulates heat existing in the rear space of the display panel 20, that is, the space between the display panel 20 and the controller 100, to discharge the heat to the outside.
  • the second circulation fan may be installed at any position between the inlet 30 and the first circulation fan 52, but preferably, the second circulation fan is the inlet 30 and the display panel. It can be installed between the (20).
  • the discharge fan 56 discharges the internal air circulated by the first circulation fan 52 and the second circulation fan 54 through the discharge unit 40.
  • the discharge fan 56 may be installed at a position adjacent to the discharge portion 40, but the installation position is not limited thereto.
  • the temperature sensor 80 detects the internal temperature of the housing 5.
  • the temperature sensing unit 80 may be installed at the rear of the display panel 20, but the installation position is not limited thereto.
  • the controller 100 controls the operations of the first circulation fan 52, the second circulation fan 54, and the discharge fan 56 according to the internal temperature of the housing 5 sensed and transmitted by the temperature sensor 80. On the other hand, it performs a function to control the overall operation of the outdoor information display device.
  • the controller 100 calculates a time average value for the internal temperature of the housing 5 received from the temperature sensor 80, and when the time average value exceeds the set first temperature threshold, the discharge fan 56. ) May be operated, and the first circulation fan 52 and the second circulation fan 54 may be additionally operated when the time average exceeds a second threshold higher than the first temperature threshold.
  • the controller 100 may correspond to a relationship between a time average of the internal temperature of the housing 5 and the rotational speeds of the first circulation fan 52, the second circulation fan 54, and the discharge fan 56.
  • the rotation speed of the first circulation fan 52, the second circulation fan 54, and the discharge fan 56 may be adaptively controlled based on the internal temperature of the housing 5 with reference to the matching table. have.
  • FIG. 4 is a diagram for describing a detailed operation of a cooling system of an outdoor information display apparatus according to an exemplary embodiment.
  • operation S10 a process of starting a cooling system operation of an outdoor information display apparatus is performed.
  • this process may be performed by the user pressing the power button.
  • step S20 the temperature detecting unit 80 detects the internal temperature of the housing 5 and transmits the detected temperature to the control unit 100.
  • step S30 the controller 100 calculates a time average value for the internal temperature of the housing 5 received from the temperature sensor 80.
  • step S40 the controller 100 determines whether the calculated time average value exceeds the set first temperature threshold. As a result of the determination in step S40, when the time average value exceeds the first temperature threshold, the process is switched to step S50, and when the time average value does not exceed the first temperature threshold, the process is switched to step S20 to continuously detect the internal temperature. do.
  • step S50 a process of controlling by the controller 100 to operate the discharge fan 56 is performed.
  • step S60 the controller 100 determines whether the time average value exceeds the set second temperature threshold.
  • the second temperature threshold is a temperature higher than the first temperature threshold, and as a result of the determination in step S60, when the time average value exceeds the second temperature threshold, the process is switched to step S70, and the time average value does not exceed the second temperature threshold. The process proceeds to step S20.
  • the controller 100 in addition to the discharge fan 56, the controller 100 additionally controls the first circulation fan 52 and the second circulation fan 54 to operate.
  • the outdoor information display device that can prevent the possibility of device failure due to the inflow of moisture, such as rainwater, foreign matters, such as dust.
  • the technique according to the present specification is available in an electronic device.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Nonlinear Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

La présente invention concerne un système de refroidissement d'un dispositif d'affichage d'informations d'extérieur, le système de refroidissement comprenant : un couvercle de protection; un panneau d'affichage; une entrée à travers laquelle s'écoule l'air extérieur; une sortie à partir de laquelle l'air intérieur est évacué; un premier ventilateur de circulation, installé sous une zone d'espace située entre le couvercle de protection et une partie de surface avant du panneau d'affichage, pour faire circuler l'air extérieur à travers la zone d'espace; un second ventilateur de circulation pour faire circuler l'air extérieur à travers une partie de surface arrière du panneau d'affichage; un ventilateur de décharge pour évacuer l'air intérieur en circulation; une unité de détection de température pour détecter une température interne; et une unité de commande pour commander les opérations du premier ventilateur de circulation, du second ventilateur de circulation et du ventilateur de décharge en fonction de la température interne. Par conséquent, la présente invention peut fonctionner de façon stable même dans un environnement à haute température par une évacuation de chaleur efficace, et empêcher une rupture de dispositif possible due à l'entrée d'eau telle que la pluie, l'entrée de substances étrangères telles que la saleté ou similaire.
PCT/KR2016/013378 2016-10-28 2016-11-21 Système de refroidissement d'un dispositif d'affichage d'informations d'extérieur WO2018079909A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160141737A KR20180046519A (ko) 2016-10-28 2016-10-28 옥외용 정보 디스플레이 장치의 쿨링 시스템
KR10-2016-0141737 2016-10-28

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110381708A (zh) * 2019-07-22 2019-10-25 嘉兴咩哞贸易有限公司 一种适用5g需求的大流量高速数据传输系统
CN110662382A (zh) * 2019-08-26 2020-01-07 安庆船用电器有限责任公司 一种船体外用控制箱
WO2020098155A1 (fr) * 2018-11-14 2020-05-22 苏州安瑞可信息科技有限公司 Micromodule de type entrepôt
CN112954161A (zh) * 2021-02-02 2021-06-11 深圳市金瑞铭科技有限公司 一种基于雨水降温冷却的户外用人工智能视觉监拍设备
CN113966121A (zh) * 2021-11-02 2022-01-21 张军 一种路由器户外安放保护设备

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Publication number Priority date Publication date Assignee Title
KR20210156459A (ko) * 2020-06-18 2021-12-27 삼성전자주식회사 디스플레이 장치 및 그 제어방법

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KR101016222B1 (ko) * 2010-07-12 2011-02-25 (주)컴버스테크 디지털 정보 디스플레이 장치
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KR101494856B1 (ko) * 2013-09-11 2015-02-23 주식회사 프라이머스코즈 방열기능이 향상된 버스쉘터용 옥외광고 디스플레이 장치의 함체기구
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KR20110002535A (ko) * 2009-07-02 2011-01-10 주식회사 세원 옥외용 디스플레이장치
KR101016222B1 (ko) * 2010-07-12 2011-02-25 (주)컴버스테크 디지털 정보 디스플레이 장치
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020098155A1 (fr) * 2018-11-14 2020-05-22 苏州安瑞可信息科技有限公司 Micromodule de type entrepôt
US11297740B2 (en) 2018-11-14 2022-04-05 Suzhou A-Rack Information Technology Co., Ltd Storage-type modular data center
CN110381708A (zh) * 2019-07-22 2019-10-25 嘉兴咩哞贸易有限公司 一种适用5g需求的大流量高速数据传输系统
CN110662382A (zh) * 2019-08-26 2020-01-07 安庆船用电器有限责任公司 一种船体外用控制箱
CN110662382B (zh) * 2019-08-26 2021-05-28 安庆船用电器有限责任公司 一种船体外用控制箱
CN112954161A (zh) * 2021-02-02 2021-06-11 深圳市金瑞铭科技有限公司 一种基于雨水降温冷却的户外用人工智能视觉监拍设备
CN113966121A (zh) * 2021-11-02 2022-01-21 张军 一种路由器户外安放保护设备

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