CN207542589U - A low-voltage power distribution cabinet - Google Patents
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- CN207542589U CN207542589U CN201721413344.0U CN201721413344U CN207542589U CN 207542589 U CN207542589 U CN 207542589U CN 201721413344 U CN201721413344 U CN 201721413344U CN 207542589 U CN207542589 U CN 207542589U
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- 238000009423 ventilation Methods 0.000 claims abstract description 59
- 238000007664 blowing Methods 0.000 claims abstract description 22
- 238000002955 isolation Methods 0.000 claims abstract description 7
- 239000000428 dust Substances 0.000 abstract description 12
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
本实用新型涉及一种低压配电柜，箱体四个侧板均设置成具有隔离间隙的结构，内壳层上设置第一通气孔，外壳层上设置第二通气孔，且第一通气孔和第二通气孔相互错开，使得灰尘从外部进入第二通气孔后，不易进入第一通气孔中；在箱体顶板的中央位置设置第一通风孔及第一吹风风扇，第一吹风风扇将外界风的空气吹入内腔，从内腔的中部向下挤压内腔中的热空气，使热空气从四个侧板的第一通气孔中排出，以此散热，内腔中的热气体在外部空气的挤压下，整体流动性加强，散热降温效果更加快速；同时在气流的作用下，进一步的避免灰尘从第一通气孔中进入内腔中；采用内、外双壳层的设计，加强了低压配电柜的防尘能力，还增强低压配电柜的防撞击、防摔能力。
The utility model relates to a low-voltage power distribution cabinet. The four side plates of the box body are all arranged to have a structure with isolation gaps, a first air hole is arranged on the inner shell layer, a second air hole is arranged on the outer shell layer, and the first air hole Staggered with the second ventilation hole, so that dust is not easy to enter the first ventilation hole after entering the second ventilation hole from the outside; the first ventilation hole and the first blowing fan are set at the central position of the top plate of the box body, and the first blowing fan will The air from the outside wind is blown into the inner cavity, and the hot air in the inner cavity is squeezed downward from the middle of the inner cavity, so that the hot air is discharged from the first ventilation holes of the four side plates to dissipate heat, and the hot gas in the inner cavity Under the extrusion of external air, the overall fluidity is strengthened, and the heat dissipation and cooling effect is faster; at the same time, under the action of air flow, dust is further prevented from entering the inner cavity from the first vent hole; the design of inner and outer double shells is adopted , Strengthen the dust-proof ability of the low-voltage power distribution cabinet, and also enhance the anti-collision and anti-drop ability of the low-voltage power distribution cabinet.
Description
技术领域technical field
本实用新型涉及一种电气设备，更具体的说它涉及一种低压配电柜。The utility model relates to an electrical device, more specifically it relates to a low-voltage power distribution cabinet.
背景技术Background technique
低压配电柜，是按电气接线要求将开关设备、测量仪表、保护电器和辅助设备组装在封闭或半封闭金属柜中，构成的低压配电装置。Low-voltage distribution cabinet is a low-voltage distribution device composed of switchgear, measuring instruments, protective appliances and auxiliary equipment assembled in a closed or semi-closed metal cabinet according to the requirements of electrical wiring.
低压配电柜广泛的应用于工业上的各个领域，低压配电柜内部通通设有电气控制开关、控制器、变频器、断路器、继电器等电气设备。电气设备在使用过程中会产生大量的热量，热量无法及时散发到外界，将会影响电气设备的正常工作，严重的将会损坏电气设备；Low-voltage power distribution cabinets are widely used in various fields of industry. The low-voltage power distribution cabinets are equipped with electrical control switches, controllers, frequency converters, circuit breakers, relays and other electrical equipment. Electrical equipment will generate a lot of heat during use. If the heat cannot be dissipated to the outside world in time, it will affect the normal operation of the electrical equipment and seriously damage the electrical equipment;
现有的低压配电柜，均是采用风扇抽出箱体内部的热空气以此来散热，内部气体流动性不足，离风扇较远的区域，其散热效果就较差，散热效果不佳。Existing low-voltage power distribution cabinets all use fans to extract hot air inside the box to dissipate heat. The internal gas fluidity is insufficient, and the heat dissipation effect is poor in areas far away from the fans.
实用新型内容Utility model content
为了克服现有技术存在的不足，本实用新型提供了一种低压配电柜，散热性能较好，散热效率较高。In order to overcome the deficiencies in the prior art, the utility model provides a low-voltage power distribution cabinet with better heat dissipation performance and higher heat dissipation efficiency.
本实用新型解决其技术问题所采用的技术方案是：The technical scheme that the utility model solves its technical problem adopts is:
一种低压配电柜，包括箱体，所述箱体内具有用于安装电子元器件的内腔，所述箱体由顶板、底板、前侧板、后侧板、左侧板、右侧板组成，所述前侧板、后侧板、左侧板、右侧板均具有内壳层和外壳层，所述内壳层和外壳层之间具有隔离间隙，所述内壳层上平均分布有若干第一通气孔，所述外壳层上平均分布有若干第二通气孔，所述第一通气孔与第二通气孔在同一竖直平面上的正投影相互错开，所述顶板的中央位置设有第一通风孔，所述第一通风孔处设有竖直向下吹风的第一吹风风扇。A low-voltage power distribution cabinet, including a box body, the box body has an inner cavity for installing electronic components, and the box body is composed of a top plate, a bottom plate, a front side plate, a rear side plate, a left side plate, and a right side plate Composition, the front side panel, rear side panel, left side panel, and right side panel all have an inner shell and an outer shell, there is an isolation gap between the inner shell and the outer shell, and the inner shell is evenly distributed There are a number of first ventilation holes, and a number of second ventilation holes are evenly distributed on the outer shell layer. The orthographic projections of the first ventilation holes and the second ventilation holes on the same vertical plane are staggered from each other. The central position of the top plate A first ventilation hole is provided, and a first air blowing fan vertically blowing downward is provided at the first ventilation hole.
上述技术方案的工作原理是，箱体的后侧板与左、右侧板均可以用于安装电子元器件，箱体四个侧板均设置成具有隔离间隙的结构，内壳层上设置第一通气孔，外壳层上设置第二通气孔，且第一通气孔和第二通气孔相互错开，使得灰尘从外部进入第二通气孔后，不易进入第一通气孔中；在箱体顶板的中央位置设置第一通风孔及第一吹风风扇，第一吹风风扇将外界风的空气吹入内腔，从内腔的中部向下挤压内腔中的热空气，使热空气从四个侧板的第一通气孔中排出，以此散热，内腔中的热气体在外部空气的挤压下，整体流动性加强，散热降温效果更加快速；同时在气流的作用下，进一步的避免灰尘从第一通气孔中进入内腔中；采用内、外双壳层的设计，不但可以有效的加强低压配电柜的防尘能力，还可以增强低压配电柜的防撞击、防摔保护能力，有效保护内部电子元器件可以更好的工作。The working principle of the above technical solution is that the rear side panel and the left and right side panels of the box body can be used to install electronic components, the four side panels of the box body are all set to have a structure with isolation gaps, and the inner shell is provided with a second A ventilation hole, a second ventilation hole is arranged on the shell layer, and the first ventilation hole and the second ventilation hole are staggered from each other, so that after dust enters the second ventilation hole from the outside, it is difficult to enter the first ventilation hole; The first ventilation hole and the first blowing fan are arranged in the central position, the first blowing fan blows the air of the external wind into the inner cavity, squeezes the hot air in the inner cavity from the middle of the inner cavity downward, and makes the hot air flow from the four side panels The hot gas in the inner cavity is squeezed by the external air, the overall fluidity is strengthened, and the heat dissipation and cooling effect is faster; at the same time, under the action of the air flow, the dust is further prevented from coming from the second A vent hole enters the inner cavity; the design of the inner and outer double shells can not only effectively strengthen the dustproof ability of the low-voltage power distribution cabinet, but also enhance the anti-collision and anti-drop protection capabilities of the low-voltage power distribution cabinet, effectively Protecting internal electronic components can work better.
优选的，所述第一通气孔靠近内腔的一端设有弧形引导板，所述弧形引导板连接在第一通气孔的上侧，弧形开口朝下。弧形引导板的设置，避免第一吹风风扇处吹下来的风直接进入第一通气孔中；同时，内部气压在循环时，热气流从下往上贴着侧壁上升的过程中也更加容易被弧形引导板捕捉，从而进入第一通气孔，将热量随内部气压的循环体系排出内腔进行散热。Preferably, an arc-shaped guide plate is provided at one end of the first vent hole close to the inner cavity, the arc-shaped guide plate is connected to the upper side of the first vent hole, and the arc-shaped opening faces downward. The setting of the arc-shaped guide plate prevents the wind from the first blowing fan from directly entering the first air hole; at the same time, when the internal air pressure circulates, it is easier for the hot air to rise from the bottom to the side wall Captured by the arc-shaped guide plate, it enters the first vent hole, and the heat is discharged from the inner cavity with the circulation system of the internal air pressure to dissipate heat.
优选的，所述底板的中央位置设有第二通风孔，所述第二通风孔处设有竖直向上吹风的第二吹风风扇。第二吹风风扇竖直向上吹风，第一吹风风扇竖直向下吹风，而者相对互相吹风，气流产生激烈的碰撞，使内部气体加快速度挤压并从第一通气孔中排出。Preferably, a second ventilation hole is provided at the central position of the bottom plate, and a second blowing fan that blows air vertically upward is provided at the second ventilation hole. The second blowing fan blows air vertically upwards, the first blowing fan blows vertically downwards, and the two blow air relative to each other, and the air currents collide violently, so that the internal air is extruded at a faster speed and discharged from the first air hole.
优选的，所述第一通风孔和第二通风孔远离内腔的一端设有过滤网。避免灰尘从第一通风孔和第二通风孔中随风扇的抽风而进入内腔中。Preferably, a filter is provided at the end of the first ventilation hole and the second ventilation hole away from the inner cavity. Prevent dust from entering the inner cavity from the first ventilation hole and the second ventilation hole with the draft of the fan.
优选的，所述第一通气孔中设有过滤网。进一步的避免灰尘从第一通风孔中进入内腔。Preferably, a filter is provided in the first ventilation hole. Further prevent dust from entering the inner cavity through the first ventilation hole.
本实用新型的有益效果是：本实用新型的一种低压配电柜，箱体四个侧板均设置成具有隔离间隙的结构，内壳层上设置第一通气孔，外壳层上设置第二通气孔，且第一通气孔和第二通气孔相互错开，使得灰尘从外部进入第二通气孔后，不易进入第一通气孔中；在箱体顶板的中央位置设置第一通风孔及第一吹风风扇，第一吹风风扇将外界风的空气吹入内腔，从内腔的中部向下挤压内腔中的热空气，使热空气从四个侧板的第一通气孔中排出，以此散热，内腔中的热气体在外部空气的挤压下，整体流动性加强，散热降温效果更加快速；同时在气流的作用下，进一步的避免灰尘从第一通气孔中进入内腔中；采用内、外双壳层的设计，不但可以有效的加强低压配电柜的防尘能力，还可以增强低压配电柜的防撞击、防摔保护能力，有效保护内部电子元器件可以更好的工作。The beneficial effects of the utility model are: a low-voltage power distribution cabinet of the utility model, the four side plates of the box body are all arranged to have a structure with isolation gaps, the first ventilation hole is arranged on the inner shell layer, and the second ventilation hole is arranged on the outer shell layer. ventilation holes, and the first ventilation hole and the second ventilation hole are staggered from each other, so that after dust enters the second ventilation hole from the outside, it is difficult to enter the first ventilation hole; the first ventilation hole and the first ventilation hole are set at the center of the box top Blowing fan, the first blowing fan blows the air of the external wind into the inner cavity, squeezes the hot air in the inner cavity downward from the middle of the inner cavity, and makes the hot air discharge from the first ventilation holes of the four side plates, thereby Heat dissipation, the hot gas in the inner cavity is extruded by the external air, the overall fluidity is enhanced, and the heat dissipation and cooling effect is faster; at the same time, under the action of the air flow, dust is further prevented from entering the inner cavity from the first vent hole; The design of the inner and outer double shells can not only effectively strengthen the dust-proof ability of the low-voltage power distribution cabinet, but also enhance the anti-collision and anti-drop protection capabilities of the low-voltage power distribution cabinet, effectively protecting the internal electronic components and working better .
附图说明Description of drawings
下面结合附图和实施例对本实用新型进一步说明。Below in conjunction with accompanying drawing and embodiment the utility model is further described.
图1是本实用新型所述的一种低压配电柜的结构示意图；Fig. 1 is a schematic structural view of a low-voltage power distribution cabinet described in the utility model;
图2是图1中区域A的结构放大示意图。FIG. 2 is an enlarged schematic view of the structure of area A in FIG. 1 .
具体实施方式Detailed ways
现在结合附图对本实用新型作进一步详细的说明。这些附图均为简化的示意图，仅以示意方式说明本实用新型的基本结构，因此其仅显示与本实用新型有关的构成。Now in conjunction with accompanying drawing, the utility model is described in further detail. These drawings are all simplified schematic diagrams, and only schematically illustrate the basic structure of the utility model, so they only show the configurations related to the utility model.
实施例1Example 1
如图1和图2所示一种低压配电柜，包括箱体，所述箱体内具有用于安装电子元器件的内腔，所述箱体由顶板、底板、前侧板（图未示）、后侧板、左侧板、右侧板组成，所述前侧板、后侧板、左侧板、右侧板均具有内壳层1和外壳层2，所述内壳层1和外壳层2之间具有隔离间隙3，所述内壳层1上平均分布有若干第一通气孔4，所述外壳层2上平均分布有若干第二通气孔5，所述第一通气孔4与第二通气孔5在同一竖直平面上的正投影相互错开，所述顶板的中央位置设有第一通风孔6，所述第一通风孔6处设有竖直向下吹风的第一吹风风扇61。As shown in Figure 1 and Figure 2, a low-voltage power distribution cabinet includes a box body, the box body has an inner cavity for installing electronic components, and the box body consists of a top plate, a bottom plate, and a front side plate (not shown in the figure) ), a rear side panel, a left side panel, and a right side panel, the front side panel, rear side panel, left side panel, and right side panel all have an inner shell 1 and an outer shell 2, and the inner shell 1 and There is an isolation gap 3 between the outer shell layers 2, a number of first air holes 4 are evenly distributed on the inner shell layer 1, and a number of second air holes 5 are evenly distributed on the outer shell layer 2, and the first air hole 4 The orthographic projections on the same vertical plane as the second ventilation hole 5 are staggered from each other, the central position of the top plate is provided with a first ventilation hole 6, and the first ventilation hole 6 is provided with a first vertically downward blowing hole. Blowing fan 61.
图1中的箭头指示方向，为气体的流动示意路线；第一吹风风扇位于正中央，气体的流动应该是向四个侧面同时挤压流动的，因此还有部分气体是从前侧板或者后侧板中的第一通气孔4中流走，但图1中并未显示这两部分的气体流动示意路线。The arrows in Figure 1 indicate the direction, which is the schematic route of the gas flow; the first blowing fan is located in the center, and the gas flow should be squeezed to the four sides at the same time, so some of the gas is from the front side plate or the rear side The first air hole 4 in the plate flows away, but the schematic route of gas flow between these two parts is not shown in FIG. 1 .
本实施例的工作原理是，箱体的后侧板与左、右侧板均可以用于安装电子元器件，前侧板与左侧板或者右侧板铰接形成箱门；当然在其它的实施例中，也可以是其它的侧板用于合页铰接形成箱门，属于常规安装结构，此处不再复述；箱体四个侧板均设置成具有隔离间隙3的结构，内壳层1上设置第一通气4孔，外壳层2上设置第二通气孔5，且第一通气孔4和第二通气孔5相互错开，使得灰尘从外部进入第二通气孔5后，因为错位的设置而不易进入第一通气孔4中；在箱体顶板的中央位置设置第一通风孔6及第一吹风风扇61，第一吹风风扇61将外界风的空气吹入内腔，外界空气形成气压，从内腔的中部向下挤压内腔中的热空气，使热空气向从四个侧板的第一通气孔4中排出，以此带走热量；同时在气流的作用下，进一步的避免灰尘从第一通气孔4中进入内腔中；采用内、外双壳层的设计，不但可以有效的加强低压配电柜的防尘能力，还可以增强低压配电柜的防撞击、防摔保护能力，有效保护内部电子元器件可以更好的工作。本实施例的一种低压配电柜，第一出风风扇，不断的带入外界的低温气流；挤压出内部的高温气体，从而带走大量的热量，散热速度更快，效率更高。The working principle of this embodiment is that the rear side plate and the left and right side plates of the box body can be used to install electronic components, and the front side plate and the left side plate or the right side plate are hinged to form a box door; In the example, other side plates can also be used for hinged hinges to form a box door, which belongs to a conventional installation structure and will not be repeated here; the four side plates of the box body are all arranged to have a structure with an isolation gap 3, and the inner shell 1 The first ventilation hole 4 is set on the top, and the second ventilation hole 5 is set on the shell layer 2, and the first ventilation hole 4 and the second ventilation hole 5 are staggered from each other, so that after dust enters the second ventilation hole 5 from the outside, due to the dislocation setting And not easy to enter in the first ventilation hole 4; The first ventilation hole 6 and the first blower fan 61 are set at the central position of the casing top plate, and the first blower fan 61 blows the air of the outside wind into the inner cavity, and the outside air forms air pressure, from The middle part of the inner cavity squeezes the hot air in the inner cavity downward, so that the hot air is discharged from the first ventilation hole 4 of the four side plates, so as to take away the heat; at the same time, under the action of the air flow, further avoid dust Enter the inner cavity from the first air hole 4; the design of the inner and outer double shells can not only effectively strengthen the dustproof ability of the low-voltage power distribution cabinet, but also enhance the anti-collision and anti-drop protection of the low-voltage power distribution cabinet The ability to effectively protect the internal electronic components can work better. In the low-voltage power distribution cabinet of this embodiment, the first air outlet fan continuously brings in the low-temperature airflow from the outside; squeezes out the high-temperature gas inside, thereby taking away a large amount of heat, and the heat dissipation speed is faster and the efficiency is higher.
本实施例中，所述第一通气孔4靠近内腔的一端设有弧形引导板41，所述弧形引导板41连接在第一通气孔4的上侧，弧形开口朝下。弧形引导板41的设置，避免第一吹风风扇61吹下来的风直接进入第一通气孔中；同时，内部气压在循环时，热气流从下往上贴着侧壁上升的过程中也更加容易被弧形引导板41捕捉，从而进入第一通气孔4，更加容易使热量随内部气压的循环体系排出内腔进行散热。In this embodiment, an arc-shaped guide plate 41 is provided at one end of the first vent hole 4 close to the inner cavity, and the arc-shaped guide plate 41 is connected to the upper side of the first vent hole 4 with the arc-shaped opening facing downward. The setting of the arc-shaped guide plate 41 prevents the wind blown down by the first blowing fan 61 from directly entering the first air hole; at the same time, when the internal air pressure is circulating, the hot air flow is also more efficient in the process of rising from the bottom to the side wall. It is easy to be captured by the arc-shaped guide plate 41, thereby entering the first air hole 4, and it is easier to make the heat discharge out of the inner cavity with the circulation system of the internal air pressure to dissipate heat.
本实施例中，所述第一通风孔6远离内腔的一端设有过滤网7。避免灰尘从第一通风孔6中随风扇的抽风而进入内腔中。In this embodiment, a filter 7 is provided at the end of the first ventilation hole 6 away from the inner cavity. Prevent dust from entering the inner cavity from the first ventilation hole 6 with the draft of the fan.
本实施例中，所述第一通气孔4中设有过滤网7。进一步的避免灰尘从第一通风孔4中进入内腔。In this embodiment, a filter 7 is provided in the first air hole 4 . Further prevent dust from entering the inner cavity from the first ventilation hole 4 .
实施例2，本实施例2与实施例1的不同之处在于：Embodiment 2, the difference between this embodiment 2 and embodiment 1 is:
如图1和图2所示，所述底板的中央位置设有第二通风孔8，所述第二通风孔8处设有竖直向上吹风的第二吹风风扇81。第二吹风风扇81竖直向上吹风，第一吹风风扇61竖直向下吹风，而者相对互相吹风，气流产生激烈的碰撞，使内部气体产生剧烈的挤压和碰撞，加快速度从第一通气孔4中排出，散热速度更快。实施例2的气压流动示意路线并未在图1中显示。As shown in FIG. 1 and FIG. 2 , a second ventilation hole 8 is provided at the central position of the bottom plate, and a second air blowing fan 81 is provided at the second ventilation hole 8 to blow air vertically upward. The second blowing fan 81 blows air vertically upwards, and the first blowing fan 61 blows air vertically downwards, and the two relatively blow each other, and the air-flow produces violent collision, which makes the internal gas produce violent extrusion and collision, and accelerates the speed from the first passage Air hole 4 is discharged, and the heat dissipation speed is faster. The schematic route of pneumatic flow in Example 2 is not shown in FIG. 1 .
以上述依据本实用新型的理想实施例为启示，通过上述的说明内容，相关工作人员完全可以在不偏离本项实用新型技术思想的范围内，进行多样的变更以及修改。本项实用新型的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定其技术性范围。Inspired by the above ideal embodiment according to the utility model, through the above description content, relevant staff can completely make various changes and modifications within the scope of not deviating from the technical idea of the utility model. The technical scope of this utility model is not limited to the content in the description, but must be determined according to the scope of the claims.
Claims (5)
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| CN201721413344.0U CN207542589U (en) | 2017-10-30 | 2017-10-30 | A low-voltage power distribution cabinet |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108922732A (en) * | 2018-07-09 | 2018-11-30 | 宝鸡文理学院 | A kind of electrical automatic powerstat |
| CN109449792A (en) * | 2018-12-28 | 2019-03-08 | 平高集团智能电气有限公司 | A kind of outdoor lightning protection damp-proof panel switches monitor terminal case |
| CN109922623A (en) * | 2019-04-16 | 2019-06-21 | 常州信息职业技术学院 | Convertible microelectronics clamping device |
| CN112165003A (en) * | 2020-10-16 | 2021-01-01 | 苏州中康电力运营有限公司 | Power station box with good heat dissipation effect |
| CN112996359A (en) * | 2021-02-18 | 2021-06-18 | 广东韶钢松山股份有限公司 | A kind of cooling mechanism and wireless data receiver |
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2017
- 2017-10-30 CN CN201721413344.0U patent/CN207542589U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108922732A (en) * | 2018-07-09 | 2018-11-30 | 宝鸡文理学院 | A kind of electrical automatic powerstat |
| CN109449792A (en) * | 2018-12-28 | 2019-03-08 | 平高集团智能电气有限公司 | A kind of outdoor lightning protection damp-proof panel switches monitor terminal case |
| CN109922623A (en) * | 2019-04-16 | 2019-06-21 | 常州信息职业技术学院 | Convertible microelectronics clamping device |
| CN112165003A (en) * | 2020-10-16 | 2021-01-01 | 苏州中康电力运营有限公司 | Power station box with good heat dissipation effect |
| CN112996359A (en) * | 2021-02-18 | 2021-06-18 | 广东韶钢松山股份有限公司 | A kind of cooling mechanism and wireless data receiver |
| CN112996359B (en) * | 2021-02-18 | 2022-03-11 | 广东韶钢松山股份有限公司 | A kind of cooling mechanism and wireless data receiver |
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