CN106535570A - Heat dissipation structure of outdoor electronic equipment and heat dissipation method - Google Patents
Heat dissipation structure of outdoor electronic equipment and heat dissipation method Download PDFInfo
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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
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20181—Filters; Louvers
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- H—ELECTRICITY
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- 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
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
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Abstract
本发明涉及一种户外电子设备的散热方法及散热结构，该方法包括如下步骤：于地面设置一户外电子设备；于所述户外电子设备的壳体上相对远离所述地面的区域开设一进风口；于所述户外电子设备的壳体上相对靠近所述地面的区域开设一出风口；于所述户外电子设备的壳体内设置第一风扇，通过所述第一风扇带动外部空气自所述进风口进入所述户外电子设备的壳体并从所述出风口排出。本发明的散热方法采用在户外广告机内形成从上至下的散热气流，将进风口设于壳体上远离地面的区域，将出风口设于壳体上靠近地面的区域，从而降低了地面灰尘的引入，减弱了地面灰尘对户外电子设备的侵害，确保户外电子设备中显示模组的显示效果，保证显示模组的使用寿命。
The present invention relates to a heat dissipation method and heat dissipation structure for outdoor electronic equipment. The method includes the following steps: setting an outdoor electronic equipment on the ground; opening an air inlet on the shell of the outdoor electronic equipment in an area relatively far from the ground ; An air outlet is provided on the casing of the outdoor electronic equipment relatively close to the ground; a first fan is set in the casing of the outdoor electronic equipment, and the first fan drives external air from the inlet The air outlet enters the casing of the outdoor electronic equipment and is discharged from the air outlet. In the heat dissipation method of the present invention, a top-to-bottom heat dissipation airflow is formed in the outdoor advertising machine, the air inlet is set on the area of the shell away from the ground, and the air outlet is set on the area of the shell close to the ground, thereby reducing the ground pressure. The introduction of dust weakens the damage of ground dust to outdoor electronic equipment, ensures the display effect of the display module in the outdoor electronic equipment, and guarantees the service life of the display module.
Description
技术领域technical field
本发明涉及散热装置领域，特指一种户外电子设备的散热结构及散热方法。The invention relates to the field of heat dissipation devices, in particular to a heat dissipation structure and a heat dissipation method for outdoor electronic equipment.
背景技术Background technique
目前，户外电子设备如户外广告机由于其电子部件本身工作发热，运行一段时间后使得广告机的温度较高，如果不进行散热处理，很容易造成电子部件的损坏。At present, outdoor electronic equipment such as outdoor advertising machines generate heat due to their electronic components. After running for a period of time, the temperature of the advertising machine is relatively high. If heat dissipation is not carried out, it is easy to cause damage to the electronic components.
现有的广告机一般都带有散热装置，用于对广告机进行降温处理，保证广告机的使用寿命。现有的散热装置包括采用开放型的户外广告机，即在户外广告机的壳体上开设相对的通风口，在通风口处装设风扇以利用外界空气形成散热气流，由于外界空气的温度低于户外广告机内部的温度，该种散热方式具有较好的散热效果。Existing advertising machines are generally equipped with cooling devices for cooling the advertising machine to ensure the service life of the advertising machine. Existing heat dissipation devices include open-type outdoor advertising machines, that is, relative vents are provided on the housing of the outdoor advertising machine, and fans are installed at the vents to form a cooling airflow by using the outside air. Because the temperature of the outside air is low Based on the temperature inside the outdoor advertising machine, this heat dissipation method has a better heat dissipation effect.
由于热空气在上方冷空气在下方，所以现有的开放型的户外广告机都是将出风口设置在上部，将进风口设置在下部，这样可以利用冷热空气的自然对流以增强散热效果。但是，由于户外广告机的下部接近地面，而地面灰尘较多，在对户外广告机进行散热时，地面灰尘较容易的从进风口处被引入至户外广告机内，从而影响了户外广告机的显示效果，进而降低显示模组的使用寿命。Since the hot air is at the top and the cold air is at the bottom, the existing open outdoor advertising machines set the air outlet on the upper part and the air inlet on the lower part, so that the natural convection of hot and cold air can be used to enhance the heat dissipation effect. However, since the lower part of the outdoor advertising machine is close to the ground, and there is a lot of dust on the ground, when the outdoor advertising machine is cooled, the ground dust is easily introduced into the outdoor advertising machine from the air inlet, thus affecting the performance of the outdoor advertising machine. Display effect, thereby reducing the service life of the display module.
发明内容Contents of the invention
本发明的目的在于克服现有技术的缺陷，提供一种户外电子设备的散热结构及散热方法，解决现有技术中采用由下至上的散热气流进行散热时容易引入地面灰尘从而影响显示效果，进而降低显示模组的使用寿命的问题。The purpose of the present invention is to overcome the defects of the prior art, provide a heat dissipation structure and heat dissipation method for outdoor electronic equipment, and solve the problem that the ground dust is easily introduced when the heat dissipation airflow from bottom to top is used for heat dissipation in the prior art to affect the display effect, and then The problem of reducing the service life of the display module.
实现上述目的的技术方案是：The technical scheme for realizing the above-mentioned purpose is:
本发明提供了一种户外电子设备的散热方法，包括如下步骤：The invention provides a heat dissipation method for outdoor electronic equipment, comprising the following steps:
于户外电子设备的壳体上相对远离地面的区域开设一进风口；An air inlet is opened on the housing of the outdoor electronic equipment relatively away from the ground;
于所述户外电子设备的壳体上相对靠近所述地面的区域开设一出风口；An air outlet is opened on the casing of the outdoor electronic equipment relatively close to the ground;
于所述户外电子设备的壳体内设置第一风扇，通过所述第一风扇带动外部空气自所述进风口进入所述户外电子设备的壳体并从所述出风口排出。A first fan is arranged in the housing of the outdoor electronic equipment, and the first fan drives external air to enter the housing of the outdoor electronic equipment from the air inlet and be discharged from the air outlet.
本发明的散热方法采用在户外广告机内形成从上至下的散热气流，将进风口设于壳体上远离地面的区域，将出风口设于壳体上靠近地面的区域，从而降低了地面灰尘的引入，减弱了地面灰尘对户外电子设备的侵害，确保户外电子设备中显示模组的显示效果，保证显示模组的使用寿命。In the heat dissipation method of the present invention, a top-to-bottom heat dissipation airflow is formed in the outdoor advertising machine, the air inlet is set on the area of the shell away from the ground, and the air outlet is set on the area of the shell close to the ground, thereby reducing the ground pressure. The introduction of dust weakens the damage of ground dust to outdoor electronic equipment, ensures the display effect of the display module in the outdoor electronic equipment, and guarantees the service life of the display module.
本发明户外电子设备的散热方法的进一步改进在于，还包括：于所述户外电子设备中的显示模组的顶部和所述壳体之间装设第二风扇，通过所述第二风扇于所述显示模组的前方形成方向从上至下的散热气流。The further improvement of the heat dissipation method of the outdoor electronic equipment of the present invention is that it also includes: installing a second fan between the top of the display module in the outdoor electronic equipment and the housing, and using the second fan to A cooling airflow from top to bottom is formed in front of the display module.
本发明户外电子设备的散热方法的进一步改进在于，还包括：于所述显示模组的底部和所述壳体之间装设第三风扇，通过所述第三风扇形成方向从所述显示模组的前方至后方的散热气流。The further improvement of the heat dissipation method for outdoor electronic equipment of the present invention is that it also includes: installing a third fan between the bottom of the display module and the housing, and forming a direction from the display module through the third fan. Front to rear cooling airflow of the group.
本发明户外电子设备的散热方法的进一步改进在于，将所述第一风扇安装于所述出风口处，通过所述第一风扇将所述壳体内的空气从所述出风口排出至所述壳体的外部。The further improvement of the heat dissipation method for outdoor electronic equipment in the present invention is that the first fan is installed at the air outlet, and the air in the housing is discharged from the air outlet to the housing through the first fan. outside of the body.
本发明户外电子设备的散热方法的进一步改进在于，还包括：于所述进风口处装设过滤器。The further improvement of the heat dissipation method for outdoor electronic equipment of the present invention further includes: installing a filter at the air inlet.
本发明还提供了一种户外电子设备的散热结构，所述散热结构包括：The present invention also provides a heat dissipation structure for outdoor electronic equipment, the heat dissipation structure comprising:
开设于户外电子设备的壳体上相对远离地面的区域的进风口；The air inlet is opened on the housing of the outdoor electronic equipment in an area relatively far from the ground;
开设于所述户外电子设备的壳体上相对靠近所述地面的区域的出风口；以及an air outlet opened on the housing of the outdoor electronic equipment in an area relatively close to the ground; and
装设所述壳体内的第一风扇，通过所述第一风扇带动外部空气自所述进风口进入所述壳体并从所述出风口排出。A first fan is installed in the housing, and the first fan drives external air to enter the housing from the air inlet and be discharged from the air outlet.
本发明户外电子设备的散热结构的进一步改进在于，还包括装设于所述户外电子设备中的显示模组的顶部和所述壳体之间的第二风扇，通过所述第二风扇于所述显示模组的前方形成方向从上至下的散热气流。The further improvement of the heat dissipation structure of the outdoor electronic equipment of the present invention is that it further includes a second fan installed between the top of the display module in the outdoor electronic equipment and the housing, through which the second fan A cooling airflow from top to bottom is formed in front of the display module.
本发明户外电子设备的散热结构的进一步改进在于，还包括装设于所述显示模组的底部和所述壳体之间的第三风扇，通过所述第三风扇形成方向从所述显示模组的前方至后方的散热气流。The further improvement of the heat dissipation structure of the outdoor electronic equipment of the present invention is that it also includes a third fan installed between the bottom of the display module and the housing, and the third fan forms a direction from the display module Front to rear cooling airflow of the group.
本发明户外电子设备的散热结构的进一步改进在于，所述第一风扇装设于所述出风口处，通过所述第一风扇将所述壳体内的空气从所述出风口排出至所述壳体的外部。The further improvement of the heat dissipation structure of the outdoor electronic equipment of the present invention is that the first fan is installed at the air outlet, and the air in the casing is discharged from the air outlet to the casing through the first fan. outside of the body.
本发明户外电子设备的散热结构的进一步改进在于，所述进风口处装设有过滤器。The further improvement of the heat dissipation structure of the outdoor electronic equipment of the present invention lies in that a filter is installed at the air inlet.
附图说明Description of drawings
图1为本发明户外电子设备的结构示意图。Fig. 1 is a schematic structural diagram of the outdoor electronic equipment of the present invention.
具体实施方式detailed description
下面结合附图和具体实施例对本发明作进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
本发明提供了一种户外电子设备的散热结构及散热方法，用于解决现有的户外电子设备中采用由下至上的散热气流容易将地面灰尘引入到户外电子设备内，从而影响显示效果和显示模组的使用寿命。需要说明的是：离地面高度高的位置空气质量洁净程度好，离地面高度低的位置空气质量洁净程度差，也即高度高的位置空气洁净度优于高度低的位置空气洁净度。本发明采用将进风口设置在户外电子设备的壳体上相对远离地面的区域，将出风口设置在壳体上相对靠近地面的区域，进而通过设置在壳体内的第一风扇带动外部空气自进风口进入壳体并从出风口排出，即壳体内形成了由上至下的散热气流，避免地面灰尘的进入，减弱地面灰尘对户外电子设备的侵害，确保显示效果和显示模组的使用寿命。下面结合附图对本发明户外电子设备的散热结构及散热方法进行说明。The invention provides a heat dissipation structure and heat dissipation method for outdoor electronic equipment, which is used to solve the problem that the existing outdoor electronic equipment adopts the heat dissipation airflow from bottom to top to easily introduce ground dust into the outdoor electronic equipment, thereby affecting the display effect and display. The service life of the module. What needs to be explained is that the air quality and cleanliness of the location with a high altitude from the ground is good, and the air quality and cleanliness of a location with a low altitude from the ground is poor, that is, the air cleanliness of a location with a high altitude is better than that of a location with a low altitude. In the present invention, the air inlet is arranged on the casing of the outdoor electronic device in an area relatively far from the ground, and the air outlet is arranged on the casing in an area relatively close to the ground, and then the outside air is driven into the air by the first fan arranged in the casing. The air outlet enters the casing and is discharged from the air outlet, that is, a top-to-bottom heat dissipation airflow is formed in the casing to avoid the entry of ground dust, reduce the damage of ground dust to outdoor electronic equipment, and ensure the display effect and the service life of the display module. The heat dissipation structure and heat dissipation method of the outdoor electronic equipment of the present invention will be described below in conjunction with the accompanying drawings.
如图1所示，本发明提供了一种户外电子设备的散热结构，其中的户外电子设备可以通过支脚支设于地面30上，还可以以悬空或壁挂的方式进行设置。该户外电子设备包括壳体11和装设在壳体11内的显示模组12和电子件13，壳体11为方框体结构，包括有顶部111、底部112、前部113和背部114，顶部111和底部112相对设置，前部113和背部114相对设置，在顶部111和底部112的两端侧还设有侧部(图中未示出)。装设在壳体11内的显示模组12靠近前部113设置，显示模组12与前部113之间留设有间隙，显示模组12包括顶部121、底部122、前方123和后方124，顶部121和底部122相对设置，前方123指显示模组12和前部113之间的间隙，后方124至显示模组12和后部115之间的空间。显示模组12也为方框体结构。显示模组12包括有安装框和装设在安装框内的多个功能板，功能板包括有灯板、液晶面板、扩散板和光学膜片。显示模组12用于显示播放户外广告。F1至F4为气流方向，H1为热量的传输方向。电子件13为装设在固定板上或开放盒体内的PCB板卡、PC、电源和开关电器等。As shown in FIG. 1 , the present invention provides a heat dissipation structure for outdoor electronic equipment, wherein the outdoor electronic equipment can be supported on the ground 30 through feet, and can also be installed in a suspended or wall-mounted manner. The outdoor electronic equipment includes a housing 11, a display module 12 and an electronic component 13 installed in the housing 11. The housing 11 is a square frame structure, including a top 111, a bottom 112, a front 113 and a back 114. The top 111 is opposite to the bottom 112 , the front 113 is opposite to the back 114 , and side portions (not shown) are arranged on both ends of the top 111 and the bottom 112 . The display module 12 installed in the housing 11 is arranged close to the front part 113, and a gap is left between the display module 12 and the front part 113. The display module 12 includes a top 121, a bottom 122, a front 123 and a rear 124, The top 121 is opposite to the bottom 122 , the front 123 refers to the gap between the display module 12 and the front 113 , and the rear 124 refers to the space between the display module 12 and the rear 115 . The display module 12 is also a square frame structure. The display module 12 includes a mounting frame and a plurality of functional boards installed in the mounting frame. The functional boards include a lamp board, a liquid crystal panel, a diffuser board and an optical film. The display module 12 is used for displaying and playing outdoor advertisements. F1 to F4 are the airflow directions, and H1 is the heat transfer direction. The electronic parts 13 are PCB boards, PCs, power supplies and switching appliances, etc. installed on the fixed board or in the open box body.
该散热结构包括进风口21、出风口22、和第一风扇23，进风口21开设在户外电子设备的壳体11上相对远离地面30的区域，出风口22开设在壳体11上相对靠近地面30的区域，第一风扇23装设于壳体11的内部，通过第一风扇23带动外部空气自进风口21进入户外电子设备的壳体11并从出风口22排出。即在壳体11内形成方向从上至下的散热气流，该散热气流的流动方向为方向F2。进风口21处的气流的流动方向为方向F1，即从壳体11的外部向内部流动，进风口21设置在壳体11上远离地面30的区域，由于其远离地面30设置，从而避免地面灰尘进入壳体11内，减弱了地面灰尘户外电子设备的影响，从而保证了显示模组12的运行环境的洁净，确保了显示效果，也保证了显示模组12的使用寿命。The heat dissipation structure includes an air inlet 21, an air outlet 22, and a first fan 23. The air inlet 21 is set on the housing 11 of the outdoor electronic device in an area relatively far away from the ground 30, and the air outlet 22 is set on the housing 11 relatively close to the ground. 30 , the first fan 23 is installed inside the casing 11 , and the outside air is driven by the first fan 23 into the casing 11 of the outdoor electronic device from the air inlet 21 and discharged from the air outlet 22 . That is, a heat dissipation airflow from top to bottom is formed in the housing 11 , and the flow direction of the heat dissipation airflow is the direction F2 . The flow direction of the airflow at the air inlet 21 is the direction F1, that is, it flows from the outside of the casing 11 to the inside. The air inlet 21 is set on the casing 11 in an area far away from the ground 30. Since it is set away from the ground 30, dust on the ground is avoided. Entering into the housing 11, the influence of ground dust and outdoor electronic equipment is weakened, thereby ensuring the cleanness of the operating environment of the display module 12, ensuring the display effect, and also ensuring the service life of the display module 12.
作为本发明的一较佳实施方式，在户外电子设备中的显示模组12的顶部121和壳体11之间装设第二风扇24，通过第二风扇24在显示模组12的前方123形成方向从上至下的散热气流，该散热气流的流动方向为方向F3。第二风扇24的进风口朝向进风口21的方向设置，第二风扇24的出风口朝向显示模组12的前方123设置，第二风扇24在运行时，于显示模组12和前部113之间形成从上至下的散热气流以对显示模组12的前方123进行散热。在壳体11前部113处设置有显示玻璃，太阳辐射产生的热量从显示玻璃进入到壳体11内，热量的传递方向为方向H1，所以显示模组12的前方123的热量较为集中，通过第二风扇24所形成的散热气流对显示模组12的前方123进行散热，以降低前方123的温度。更进一步地，该第二风扇24斜向装设在显示模组12的顶部121和壳体11之间。As a preferred embodiment of the present invention, a second fan 24 is installed between the top 121 of the display module 12 and the housing 11 in the outdoor electronic equipment, and the second fan 24 is formed at the front 123 of the display module 12. The direction of the heat dissipation airflow is from top to bottom, and the flow direction of the heat dissipation airflow is the direction F3. The air inlet of the second fan 24 is arranged toward the direction of the air inlet 21, and the air outlet of the second fan 24 is arranged toward the front 123 of the display module 12, and the second fan 24 is arranged between the display module 12 and the front portion 113 during operation A cooling airflow from top to bottom is formed between them to dissipate heat to the front 123 of the display module 12 . A display glass is arranged at the front part 113 of the housing 11, and the heat generated by solar radiation enters the housing 11 from the display glass, and the heat transfer direction is the direction H1, so the heat at the front 123 of the display module 12 is relatively concentrated, through The cooling airflow formed by the second fan 24 dissipates heat to the front 123 of the display module 12 to reduce the temperature of the front 123 . Furthermore, the second fan 24 is obliquely installed between the top 121 of the display module 12 and the casing 11 .
作为本发明的一较佳实施方式，在显示模组12的底部112和壳体11之间装设有第三风扇25，通过第三风扇25形成方向从显示模组12的前方123至后方124的散热气流，该散热气流的流动方向为方向F4。第三风扇25的进风口朝向显示模组12和前部113之间的间隙，第三风扇25的出风口朝向出风口22设置，该第三风扇25将显示模组12和前部113之间的空气排送至显示模组12的后方124的底部，也即靠近出风口22处，第三风扇25配合第二风扇24，在显示模组12的前方123形成了由上至下的散热气流，该散热气流从进风口21处引入新的外部空气，并经过显示模组12的前方123后从排风口22排出，从而形成了利用外部空气的循环散热气流。更进一步地，该第三风扇25斜向装设在显示模组12的底部122和壳体11之间。As a preferred embodiment of the present invention, a third fan 25 is installed between the bottom 112 of the display module 12 and the casing 11, and the direction is formed from the front 123 to the rear 124 of the display module 12 by the third fan 25. The cooling air flow, the flow direction of the cooling air flow is the direction F4. The air inlet of the third fan 25 faces the gap between the display module 12 and the front part 113, and the air outlet of the third fan 25 is arranged toward the air outlet 22. The air is exhausted to the bottom of the rear 124 of the display module 12, that is, near the air outlet 22, and the third fan 25 cooperates with the second fan 24 to form a top-to-bottom cooling airflow at the front 123 of the display module 12. , the heat dissipation airflow introduces new external air from the air inlet 21, passes through the front 123 of the display module 12, and then is discharged from the air outlet 22, thereby forming a circulating heat dissipation airflow utilizing external air. Furthermore, the third fan 25 is obliquely installed between the bottom 122 of the display module 12 and the casing 11 .
作为本发明的一较佳实施方式，第一风扇23装设于出风口22处，通过第一风扇23将壳体11内的空气从出风口22排出至壳体11的外部。较佳地该第一风扇23采用高速风扇，利用高速风扇将壳体11内的空气快速从出风口22处排出，使得壳体11内形成负压，利用负压从进风口21处吸入新的空气，从而形成了由进风口21向出风口22流动的散热气流。As a preferred embodiment of the present invention, the first fan 23 is installed at the air outlet 22 , and the air in the housing 11 is discharged from the air outlet 22 to the outside of the housing 11 through the first fan 23 . Preferably, the first fan 23 adopts a high-speed fan, and uses a high-speed fan to quickly discharge the air in the housing 11 from the air outlet 22, so that a negative pressure is formed in the housing 11, and new air is sucked in from the air inlet 21 by using the negative pressure. Air, thereby forming a cooling airflow flowing from the air inlet 21 to the air outlet 22 .
作为本发明的一较佳实施方式，在进风口21处装设有过滤器26，该过滤器26装设在进风口21处，用于对从进风口21处进入的空气进行过滤，以滤除灰尘确保壳体11内部空气的洁净度。As a preferred embodiment of the present invention, a filter 26 is installed at the air inlet 21, and the filter 26 is installed at the air inlet 21 for filtering the air entering from the air inlet 21 to filter Dust removal ensures the cleanliness of the air inside the casing 11 .
作为本发明的一较佳实施方式，将进风口21设置在壳体11的背部114上靠近顶部111的位置处，将出风口22设置在壳体11的底部112。这样利用第一风扇23于壳体11内形成从壳体11顶部111至底部112的散热气流，散热气流流经的区域覆盖整个壳体11的内部，提高了散热效果。As a preferred embodiment of the present invention, the air inlet 21 is arranged on the back 114 of the casing 11 near the top 111 , and the air outlet 22 is arranged on the bottom 112 of the casing 11 . In this way, the first fan 23 is used to form a heat dissipation airflow from the top 111 to the bottom 112 of the casing 11 in the casing 11 , and the area through which the heat dissipation airflow covers the entire interior of the casing 11 improves the heat dissipation effect.
本发明户外电子设备的散热结构的有益效果为：The beneficial effects of the heat dissipation structure of the outdoor electronic equipment of the present invention are:
采用由上至下的散热气流对壳体11内部进行散热，进风口远离地面设置，减弱地面灰尘对户外电子设备的影响，从而保证显示效果和显示模组的使用寿命。The heat dissipation airflow from top to bottom is used to dissipate heat inside the casing 11, and the air inlet is set far from the ground to reduce the impact of ground dust on outdoor electronic equipment, thereby ensuring the display effect and the service life of the display module.
在显示模组的前方形成另一个由上至下的散热气流，对热量较为集中的部分进行散热，提高散热效果，且不会影响显示效果。Another top-to-bottom heat dissipation airflow is formed in front of the display module to dissipate heat in the part where the heat is more concentrated, improving the heat dissipation effect without affecting the display effect.
下面对本发明户外电子设备的散热方法进行说明。The heat dissipation method of the outdoor electronic equipment of the present invention will be described below.
本发明的户外电子设备的散热方法，用于对户外电子设备的散热，该户外电子设备的结构如上所述，在此不再赘述。The heat dissipation method for outdoor electronic equipment of the present invention is used to dissipate heat for outdoor electronic equipment. The structure of the outdoor electronic equipment is as described above and will not be repeated here.
该散热方法包括如下步骤：The cooling method includes the steps of:
如图1所示，于户外电子设备的壳体11上相对远离地面30的区域开设一进风口21；As shown in FIG. 1 , an air inlet 21 is provided on the casing 11 of the outdoor electronic device relatively far from the ground 30;
于户外电子设备的壳体11上相对靠近地面30的区域开设一出风口22；An air outlet 22 is provided on the casing 11 of the outdoor electronic equipment relatively close to the ground 30;
于户外电子设备的壳体11内设置第一风扇23，通过第一风扇23带动外部空气自进风口21进入户外电子设备的壳体并从出风口22排出。A first fan 23 is arranged inside the casing 11 of the outdoor electronic equipment, and the outside air is driven by the first fan 23 into the casing of the outdoor electronic equipment through the air inlet 21 and discharged from the air outlet 22 .
本发明的散热方法在户外广告机内形成从上至下的散热气流，将进风口21设于壳体11上相对远离地面30的区域，由于其远离地面设置，从而避免地面灰尘进入壳体11内，从而降低了地面灰尘的引入，减弱了地面灰尘对户外电子设备的侵害，确保户外电子设备中显示模组的显示效果，保证显示模组的使用寿命。The heat dissipation method of the present invention forms a top-to-bottom heat dissipation airflow in the outdoor advertising machine, and sets the air inlet 21 on the housing 11 in an area relatively far away from the ground 30. Since it is set far from the ground, ground dust is prevented from entering the housing 11 Inner, thereby reducing the introduction of ground dust, weakening the infringement of ground dust on outdoor electronic equipment, ensuring the display effect of the display module in outdoor electronic equipment, and ensuring the service life of the display module.
作为本发明散热方法的一较佳实施方式，还包括：于户外电子设备中的显示模组12的顶部121和壳体11之间装设第二风扇24，通过第二风扇24于显示模组12的前方123形成方向从上至下的散热气流。该散热气流的流动方向为方向F3。将第二风扇24的进风口朝向进风口21的方向设置，将第二风扇24的出风口朝向显示模组12的前方123设置，第二风扇24在运行时，于显示模组12和前部113之间形成从上至下的散热气流以对显示模组12的前方123进行散热。在壳体11前部113处设置有显示玻璃，太阳辐射产生的热量从显示玻璃进入到壳体11内，热量的传递方向为方向H1，所以显示模组12的前方123的热量较为集中，通过第二风扇24所形成的散热气流对显示模组12的前方123进行散热，以降低前方123的温度。更进一步地还包括：将第二风扇24斜向装设于显示模组12的顶部121和壳体11之间。As a preferred embodiment of the heat dissipation method of the present invention, it also includes: installing a second fan 24 between the top 121 of the display module 12 and the housing 11 in the outdoor electronic equipment, and passing the second fan 24 to the display module. The front 123 of 12 forms a cooling air flow from top to bottom. The flow direction of the cooling airflow is the direction F3. The air inlet of the second fan 24 is arranged toward the direction of the air inlet 21, and the air outlet of the second fan 24 is arranged toward the front 123 of the display module 12. When the second fan 24 is in operation, it is placed between the display module 12 and the front A top-to-bottom heat dissipation airflow is formed between 113 to dissipate heat to the front 123 of the display module 12 . A display glass is arranged at the front part 113 of the housing 11, and the heat generated by solar radiation enters the housing 11 from the display glass, and the heat transfer direction is the direction H1, so the heat at the front 123 of the display module 12 is relatively concentrated, through The cooling airflow formed by the second fan 24 dissipates heat to the front 123 of the display module 12 to reduce the temperature of the front 123 . It further includes: installing the second fan 24 obliquely between the top 121 of the display module 12 and the casing 11 .
作为本发明散热方法的一较佳实施方式，还包括：于显示模组12的底部122和壳体11之间装设第三风扇25，通过第三风扇25形成方向从显示模组12的前方123至后方124的散热气流。该散热气流的流动方向为方向F4。将第三风扇25的进风口朝向显示模组12和前部113之间的间隙，将第三风扇25的出风口朝向出风口22设置，该第三风扇25将显示模组12和前部113之间的空气排送至显示模组12的后方124的底部，也即靠近出风口22处，第三风扇25配合第二风扇24，在显示模组12的前方123形成了由上至下的散热气流，该散热气流从进风口21处引入新的外部空气，并经过显示模组12的前方123后从排风口22排出，从而形成了利用外部空气的循环散热气流。更进一步地还包括：将第三风扇25斜向装设于显示模组12的底部121和壳体11之间。As a preferred embodiment of the heat dissipation method of the present invention, it also includes: installing a third fan 25 between the bottom 122 of the display module 12 and the housing 11, and forming a direction from the front of the display module 12 through the third fan 25. 123 to the rear 124 cooling airflow. The flow direction of the cooling air flow is the direction F4. The air inlet of the third fan 25 is set towards the gap between the display module 12 and the front part 113, and the air outlet of the third fan 25 is set towards the air outlet 22, and the third fan 25 will display the module 12 and the front part 113 The air in between is exhausted to the bottom of the rear 124 of the display module 12, that is, near the air outlet 22, and the third fan 25 cooperates with the second fan 24 to form a top-to-bottom air flow at the front 123 of the display module 12. The cooling air flow, which introduces new external air from the air inlet 21, passes through the front 123 of the display module 12, and then discharges from the air outlet 22, thereby forming a circulating cooling air flow utilizing external air. It further includes: installing the third fan 25 obliquely between the bottom 121 of the display module 12 and the casing 11 .
作为本发明散热方法的一较佳实施方式，将第一风扇23安装于出风口22处，通过第一风扇23将壳体11内的空气从出风口22排出至壳体11的外部。较佳地该第一风扇23采用高速风扇，利用高速风扇将壳体11内的空气快速从出风口22处排出，使得壳体11内形成负压，利用负压从进风口21处吸入新的空气，从而形成了由进风口21向出风口22流动的散热气流。As a preferred embodiment of the heat dissipation method of the present invention, the first fan 23 is installed at the air outlet 22 , and the air in the housing 11 is discharged from the air outlet 22 to the outside of the housing 11 through the first fan 23 . Preferably, the first fan 23 adopts a high-speed fan, and uses a high-speed fan to quickly discharge the air in the housing 11 from the air outlet 22, so that a negative pressure is formed in the housing 11, and new air is sucked in from the air inlet 21 by using the negative pressure. Air, thereby forming a cooling airflow flowing from the air inlet 21 to the air outlet 22 .
作为本发明散热方法的一较佳实施方式，还包括：于进风口21处装设过滤器26。该过滤器26装设在进风口21处，用于对从进风口21处进入的空气进行过滤，以滤除灰尘确保壳体11内部空气的洁净度。As a preferred embodiment of the heat dissipation method of the present invention, it also includes: installing a filter 26 at the air inlet 21 . The filter 26 is installed at the air inlet 21 and is used to filter the air entering from the air inlet 21 to filter out dust to ensure the cleanliness of the air inside the housing 11 .
作为本发明的散热方法的一较佳实施方式，将进风口21设置在壳体11的背部114上靠近顶部111的位置处，将出风口22设置在壳体11的底部112。这样利用第一风扇23于壳体11内形成从壳体11顶部111至底部112的散热气流，散热气流流经的区域覆盖整个壳体11的内部，提高了散热效果。As a preferred embodiment of the heat dissipation method of the present invention, the air inlet 21 is arranged on the back 114 of the casing 11 close to the top 111 , and the air outlet 22 is arranged on the bottom 112 of the casing 11 . In this way, the first fan 23 is used to form a heat dissipation airflow from the top 111 to the bottom 112 of the casing 11 in the casing 11 , and the area through which the heat dissipation airflow covers the entire interior of the casing 11 improves the heat dissipation effect.
本发明户外电子设备的散热方法的有益效果为：The beneficial effect of the cooling method of outdoor electronic equipment of the present invention is:
采用由上至下的散热气流对壳体11内部进行散热，进风口远离地面设置，减弱地面灰尘对户外电子设备的影响，从而保证显示效果和显示模组的使用寿命。The heat dissipation airflow from top to bottom is used to dissipate heat inside the casing 11, and the air inlet is set far from the ground to reduce the impact of ground dust on outdoor electronic equipment, thereby ensuring the display effect and the service life of the display module.
在显示模组的前方形成另一个由上至下的散热气流，对热量较为集中的部分进行散热，提高散热效果，且不会影响显示效果。Another top-to-bottom heat dissipation airflow is formed in front of the display module to dissipate heat in the part where the heat is more concentrated, improving the heat dissipation effect without affecting the display effect.
以上结合附图实施例对本发明进行了详细说明，本领域中普通技术人员可根据上述说明对本发明做出种种变化例。因而，实施例中的某些细节不应构成对本发明的限定，本发明将以所附权利要求书界定的范围作为本发明的保护范围。The present invention has been described in detail above with reference to the embodiments of the accompanying drawings, and those skilled in the art can make various changes to the present invention according to the above description. Therefore, some details in the embodiments should not be construed as limiting the present invention, and the present invention will take the scope defined by the appended claims as the protection scope of the present invention.
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| CN114974009B (en) * | 2022-04-13 | 2024-03-01 | 深圳市迅豹聚能科技有限公司 | An outdoor LCD advertising machine with dual cooling modes |
| CN114694530A (en) * | 2022-04-18 | 2022-07-01 | 深圳市迅豹聚能科技有限公司 | Outdoor liquid crystal display advertising machine based on air cooling and TEC heat dissipation |
| CN114694530B (en) * | 2022-04-18 | 2023-11-07 | 深圳市迅豹聚能科技有限公司 | Outdoor liquid crystal display advertising machine based on forced air cooling and TEC heat dissipation |
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Application publication date: 20170322 |