WO2021238177A1 - 一种用于电气工程的具有改善热特性的配电柜 - Google Patents

一种用于电气工程的具有改善热特性的配电柜 Download PDF

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WO2021238177A1
WO2021238177A1 PCT/CN2020/136652 CN2020136652W WO2021238177A1 WO 2021238177 A1 WO2021238177 A1 WO 2021238177A1 CN 2020136652 W CN2020136652 W CN 2020136652W WO 2021238177 A1 WO2021238177 A1 WO 2021238177A1
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Prior art keywords
cabinet
cabinet body
power distribution
electrical engineering
improved thermal
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English (en)
French (fr)
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李德伟
向子全
黄飞
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Taicang Lingchuan Industrial Co Ltd
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Taicang Lingchuan Industrial Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/28Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/50Pedestal- or pad-mounted casings; Parts thereof or accessories therefor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation

Definitions

  • the utility model relates to the technical field of electrical engineering, in particular to a power distribution cabinet with improved thermal characteristics for electrical engineering.
  • power distribution cabinets are divided into power distribution cabinets, lighting distribution cabinets, and metering cabinets, which are the final equipment of the power distribution system.
  • the power distribution cabinet is the collective name for the motor control center.
  • the power distribution cabinet is used in the occasions where the load is relatively dispersed and there are few circuits, and the motor control center is used in the occasions where the load is concentrated and there are many circuits.
  • the components installed inside the cabinet will be energized and generate heat. High temperature will affect the performance of the components.
  • fans or air conditioners are installed in the cabinet to cooperate with the heat dissipation.
  • the heat dissipation efficiency of the air conditioners and fans is insufficient.
  • the temperature in the power distribution cabinet is difficult to drop in time. It is urgent to design a power distribution cabinet with improved thermal characteristics for electrical engineering to solve the above problems.
  • the purpose of the utility model is to solve the shortcomings in the prior art, and proposes a power distribution cabinet with improved thermal characteristics for electrical engineering.
  • a power distribution cabinet with improved thermal characteristics used in electrical engineering comprising a cabinet body.
  • the inner wall of the bottom of the cabinet body is welded with two limit plates distributed in parallel, and the two limit plates are connected with the same A grid board, the top of the grid board is attached to the inner wall of the top of the cabinet, and one side of the grid board is glued with a sponge sheet, the middle of one side of the cabinet is fixedly connected with a motor, and the motor
  • the output end of the air pump is connected with a fan through a coupling drive, the fan is located inside the cabinet, and the top of the cabinet close to the motor side is connected with an air pump through bolts, and the exhaust end of the air pump is provided with an air duct, and One end of the air duct is inserted into the inside of the cabinet.
  • the inner wall of the cabinet body is fixedly connected with a mounting plate by bolts, and a cabinet door is hinged on one side of the cabinet body.
  • the bottom of the cabinet body is fixedly connected with a base, and the inside of the base is set as a cavity, both sides of the base are set as openings, and the inner wall of the base is welded with four reinforcing columns distributed in a rectangular shape. .
  • the bottom of the cabinet body is inserted with four ventilating hoppers distributed at equal distances, and the cabinet body is communicated with the inside of the base through the four ventilating hoppers.
  • the inner diameter of the top of the ventilating hopper is larger than the inner diameter of the bottom of the ventilating hopper, and a sieve plate is inserted into the inside of the ventilating hopper, and the plate body of the sieve plate is provided with evenly distributed sieve holes.
  • the middle position of the top of the sieve plate is welded with a tie rod.
  • the top of the grid plate extends to the outside of the cabinet, and the top of the grid plate is welded with a clamping plate, and the middle position of the top of the clamping plate is welded with a lifting ring.
  • the motor drives the fan to rotate to dissipate the heat inside the cabinet, and the air pump draws outside air into the cabinet through the air duct to speed up the air circulation in the cabinet and optimize the heat dissipation effect.
  • the sponge sheet filters the air flowing to the components, blocking dust or water mist in the air, and ensuring the safe operation of the components;
  • the air drawn into the cabinet by the air pump is discharged through the ventilation bucket.
  • the sieve plate is set in the ventilation bucket to prevent external debris from entering the cabinet due to the influence of the airflow. It can be passed through the tie rod. Take out the sieve plate from the ventilation hopper to facilitate the dredging of the sieve holes;
  • the grid board can be drawn out of the cabinet through the lifting ring without opening the cabinet door, so as to clean the dust adsorbed on the sponge sheet.
  • Figure 1 is a structural cross-sectional view of a power distribution cabinet with improved thermal characteristics for electrical engineering proposed in Embodiment 1;
  • Embodiment 2 is a schematic diagram of the base structure of a power distribution cabinet with improved thermal characteristics for electrical engineering proposed in Embodiment 1;
  • Embodiment 3 is a cross-sectional view of the ventilation hopper structure of a power distribution cabinet with improved thermal characteristics for electrical engineering proposed in Embodiment 1;
  • Embodiment 4 is a front view of a power distribution cabinet with improved thermal characteristics for electrical engineering proposed in Embodiment 1;
  • Embodiment 5 is a partial structural cross-sectional view of a power distribution cabinet with improved thermal characteristics for electrical engineering proposed in Embodiment 2.
  • a power distribution cabinet with improved thermal characteristics used in electrical engineering including a cabinet body 1.
  • the inner wall of the bottom of the cabinet body 1 is welded with two limit plates 9 distributed in parallel, and two limit plates
  • the same grid board 3 is inserted between the boards 9, the top of the grid board 3 is attached to the inner wall of the top of the cabinet 1, and one side of the grid board 3 is glued with a sponge sheet 8.
  • a motor 6 is fixedly connected to the middle of the side, and the output end of the motor 6 is connected to a fan 7 through a coupling transmission.
  • the fan 7 is located inside the cabinet 1, and the top of the cabinet 1 close to the motor 6 is connected with an air pump by bolts. 5.
  • the exhaust end of the air pump 5 is provided with an air pipe 4, and one end of the air pipe 4 is inserted into the inside of the cabinet 1.
  • the motor 6 drives the fan 7 to rotate to dissipate heat inside the cabinet 1, and the air pump 5 will
  • the outside air is drawn into the cabinet 1 through the air duct 4 to speed up the air circulation in the cabinet 1 and optimize the heat dissipation effect.
  • the sponge sheet 8 filters the air flowing to the components.
  • the inner wall of the cabinet 1 is fixedly connected with a mounting plate 2 by bolts, and one side of the cabinet 1 is hinged with a cabinet door 16.
  • the components in the cabinet are installed on the mounting plate 2, and the interior of the cabinet 1 is connected through the cabinet door 16. The space is closed.
  • the bottom of the cabinet 1 is fixedly connected with a base 11, and the inside of the base 11 is set as a cavity, the two sides of the base 11 are set as openings, and the inner wall of the base 11 is welded with four rectangularly distributed reinforcement columns 10 through the base 11 11
  • the cabinet 1 is supported on the ground, and the reinforcement column 10 is supported inside the base 11 to prevent the base 11 from being deformed under pressure.
  • the bottom of the cabinet 1 is inserted with four ventilating hoppers 12 distributed equally, and the cabinet 1 is connected to the inside of the base 11 through the four ventilating hoppers 12, and the air pumped into the cabinet 1 by the air pump 5 is ventilated. Bucket 12 discharges.
  • the inner diameter of the top of the ventilating hopper 12 is larger than the inner diameter of the bottom of the ventilating hopper 12, and a sieve plate 13 is inserted inside the ventilating hopper 12, and the plate body of the sieve plate 13 is provided with evenly distributed sieve holes 15.
  • a tie rod 14 is welded to the middle position of the top of the screen plate 13.
  • the components in the cabinet are installed on the mounting plate 2, and the internal space of the cabinet 1 is closed through the cabinet door 16.
  • the motor 6 drives the fan 7 to rotate to dissipate the heat inside the cabinet 1, and the air pump 5 removes the outside air. It is drawn into the cabinet 1 through the air duct 4 to speed up the air circulation in the cabinet 1 and optimize the heat dissipation effect.
  • the sponge sheet 8 filters the air flowing to the components, blocking dust or water mist in the air, and ensuring the components Safe operation, the air drawn into the cabinet 1 by the air pump 5 is discharged through the ventilating hopper 12.
  • the sieve plate 13 is arranged in the ventilating hopper 12 to prevent external debris from entering the cabinet 1 due to the airflow. The plate 13 is taken out of the vent 12 to facilitate the dredging of the sieve 15.
  • a power distribution cabinet with improved thermal characteristics for electrical engineering Compared with Embodiment 1, the top of the grid plate 3 extends to the outside of the cabinet body 1, and the grid plate 3 A clamping plate 18 is welded to the top, and a lifting ring 17 is welded to the middle position of the top of the clamping plate 18.
  • the grid plate 3 can be drawn out from the cabinet body 1 through the lifting ring 17 without opening the cabinet door 16, so as to clean the dust adsorbed on the sponge sheet 8.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

一种用于电气工程的具有改善热特性的配电柜,包括柜体(1),所述柜体(1)底部的内壁焊接有两个平行分布的限位板(9),且两个限位板(9)之间插接有同一个网格板(3),所述网格板(3)的顶部与柜体(1)顶部的内壁相贴合,且网格板(3)的一侧粘接有海绵片(8),所述柜体(1)一侧的中部固定连接有电动机(6),且电动机(6)的输出端通过联轴器传动连接有风扇(7),所述风扇(7)位于柜体(1)的内部,且柜体(1)靠近电动机(6)一侧的顶部通过螺栓连接有气泵(5)。通过电动机(6)带动风扇(7)转动,对柜体(1)的内部进行散热,气泵(5)将外界的空气通过输风管(4)抽入柜体(1)中,加快柜体(1)内空气流通速度,优化散热效果,海绵片(8)对流向元器件的空气进行过滤,阻隔空气中的灰尘或水雾,保障元器件的安全运转。

Description

一种用于电气工程的具有改善热特性的配电柜 技术领域
本实用新型涉及电气工程技术领域,尤其涉及一种用于电气工程的具有改善热特性的配电柜。
背景技术
目前,配电柜分动力配电柜和照明配电柜、计量柜,是配电系统的末级设备。配电柜是电动机控制中心的统称。配电柜使用在负荷比较分散、回路较少的场合,电动机控制中心用于负荷集中、回路较多的场合。
配电柜在应用的过程中,其内部安装的元器件通电发热,高温会影响元器件的性能,通常会在柜内设置风扇或者空调来配合散热,然而空调和风扇的散热效率不足,当柜内元器件高负荷运行时,配电柜里的温度难以及时降下来,亟需设计一种用于电气工程的具有改善热特性的配电柜来解决上述问题。
实用新型内容
本实用新型的目的是为了解决现有技术中存在的缺点,而提出的一种用于电气工程的具有改善热特性的配电柜。
为了实现上述目的,本实用新型采用了如下技术方案:
一种用于电气工程的具有改善热特性的配电柜,包括柜体,所述柜体底部的内壁焊接有两个平行分布的限位板,且两个限位板之间插接有同一个网格板,所述网格板的顶部与柜体顶部的内壁相贴合,且网格板的一侧粘接有海绵片,所述柜体一侧的中部固定连接有电动机,且电动机的输出端通过联轴器传动连接有风扇,所述风扇位于柜体的内部,且柜体靠近电动机一侧的顶部通过螺栓连接有气泵,所述气泵的排气端设置有输风管,且输风管的一端插接于柜体的内部。
作为本实用新型再进一步的方案:所述柜体的内壁通过螺栓固定连接有安装板,且柜体的一侧铰接有柜门。
作为本实用新型再进一步的方案:所述柜体的底部固定连接有底座,且底座的内部设置为空腔,底座的两侧设置为开口,底座的内壁焊接有四个呈矩形分布的加强柱。
作为本实用新型再进一步的方案:所述柜体的底部插接有四个等距离分布的通风斗,且柜体通过四个通风斗与底座的内部相连通。
作为本实用新型再进一步的方案:所述通风斗顶部的内径大于自身底部的内径,且通风 斗的内部插接有筛板,筛板的板体开设有均匀分布的筛孔。
作为本实用新型再进一步的方案:所述筛板顶部的中间位置焊接有拉杆。
作为本实用新型再进一步的方案:所述网格板的顶部延伸至柜体的外部,且网格板的顶部焊接有卡板,卡板顶部的中间位置焊接有吊环。
本实用新型的有益效果为:
1.通过设置气泵、风扇和海绵片,电动机带动风扇转动,对柜体的内部进行散热,气泵将外界的空气通过输风管抽入柜体中,加快柜体内空气流通速度,优化散热效果,海绵片对流向元器件的空气进行过滤,阻隔空气中的灰尘或水雾,保障元器件的安全运转;
2.通过设置通风斗、拉杆和筛板,气泵抽入柜体中的空气通过通风斗排出,筛板设置在通风斗中,可以避免外界的杂物受气流影响进入柜体中,可以通过拉杆将筛板从通风斗中取出,便于筛孔的疏通;
3.通过设置吊环和卡板,可以在不打开柜门的情况下通过吊环将网格板从柜体中抽出,以便于清理海绵片上吸附的灰尘。
附图说明
图1为实施例1提出的一种用于电气工程的具有改善热特性的配电柜的结构剖视图;
图2为实施例1提出的一种用于电气工程的具有改善热特性的配电柜的底座结构示意图;
图3为实施例1提出的一种用于电气工程的具有改善热特性的配电柜的通风斗结构剖视图;
图4为实施例1提出的一种用于电气工程的具有改善热特性的配电柜的主视图;
图5为实施例2提出的一种用于电气工程的具有改善热特性的配电柜的局部结构剖视图。
图中:1柜体、2安装板、3网格板、4输风管、5气泵、6电动机、7风扇、8海绵片、9限位板、10加强柱、11底座、12通风斗、13筛板、14拉杆、15筛孔、16柜门、17吊环、18卡板。
具体实施方式
下面结合具体实施方式对本专利的技术方案作进一步详细地说明。
下面详细描述本专利的实施例,所述实施例的示例在附图中示出,其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的,仅用于解释本专利,而不能理解为对本专利的限制。
在本专利的描述中,需要理解的是,术语“中心”、“上”、“下”、“前”、“后”、“左”、“右”、 “竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本专利和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本专利的限制。
在本专利的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”、“设置”应做广义理解,例如,可以是固定相连、设置,也可以是可拆卸连接、设置,或一体地连接、设置。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本专利中的具体含义。
实施例1
参照图1-4,一种用于电气工程的具有改善热特性的配电柜,包括柜体1,柜体1底部的内壁焊接有两个平行分布的限位板9,且两个限位板9之间插接有同一个网格板3,网格板3的顶部与柜体1顶部的内壁相贴合,且网格板3的一侧粘接有海绵片8,柜体1一侧的中部固定连接有电动机6,且电动机6的输出端通过联轴器传动连接有风扇7,风扇7位于柜体1的内部,且柜体1靠近电动机6一侧的顶部通过螺栓连接有气泵5,气泵5的排气端设置有输风管4,且输风管4的一端插接于柜体1的内部,电动机6带动风扇7转动,对柜体1的内部进行散热,气泵5将外界的空气通过输风管4抽入柜体1中,加快柜体1内空气流通速度,优化散热效果,海绵片8对流向元器件的空气进行过滤。
其中,柜体1的内壁通过螺栓固定连接有安装板2,且柜体1的一侧铰接有柜门16,柜内元器件安装在安装板2上,通过柜门16对柜体1的内部空间进行闭合。
其中,柜体1的底部固定连接有底座11,且底座11的内部设置为空腔,底座11的两侧设置为开口,底座11的内壁焊接有四个呈矩形分布的加强柱10,通过底座11将柜体1支撑于地面,加强柱10支撑于底座11的内部,避免底座11受压变形。
其中,柜体1的底部插接有四个等距离分布的通风斗12,且柜体1通过四个通风斗12与底座11的内部相连通,气泵5抽入柜体1中的空气通过通风斗12排出。
其中,通风斗12顶部的内径大于自身底部的内径,且通风斗12的内部插接有筛板13,筛板13的板体开设有均匀分布的筛孔15。
其中,筛板13顶部的中间位置焊接有拉杆14。
工作原理:柜内元器件安装在安装板2上,通过柜门16对柜体1的内部空间进行闭合,电动机6带动风扇7转动,对柜体1的内部进行散热,气泵5将外界的空气通过输风管4抽入柜体1中,加快柜体1内空气流通速度,优化散热效果,海绵片8对流向元器件的空气进行过 滤,阻隔空气中的灰尘或水雾,保障元器件的安全运转,气泵5抽入柜体1中的空气通过通风斗12排出,筛板13设置在通风斗12中,可以避免外界的杂物受气流影响进入柜体1中,可以通过拉杆14将筛板13从通风斗12中取出,便于筛孔15的疏通。
实施例2
参照图5,一种用于电气工程的具有改善热特性的配电柜,本实施例相较于实施例1,网格板3的顶部延伸至柜体1的外部,且网格板3的顶部焊接有卡板18,卡板18顶部的中间位置焊接有吊环17。
工作原理:可以在不打开柜门16的情况下通过吊环17将网格板3从柜体1中抽出,以便于清理海绵片8上吸附的灰尘。
以上所述,仅为本实用新型较佳的具体实施方式,但本实用新型的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本实用新型揭露的技术范围内,根据本实用新型的技术方案及其实用新型构思加以等同替换或改变,都应涵盖在本实用新型的保护范围之内。

Claims (7)

  1. 一种用于电气工程的具有改善热特性的配电柜,包括柜体(1),其特征在于,所述柜体(1)底部的内壁焊接有两个平行分布的限位板(9),且两个限位板(9)之间插接有同一个网格板(3),所述网格板(3)的顶部与柜体(1)顶部的内壁相贴合,且网格板(3)的一侧粘接有海绵片(8),所述柜体(1)一侧的中部固定连接有电动机(6),且电动机(6)的输出端通过联轴器传动连接有风扇(7),所述风扇(7)位于柜体(1)的内部,且柜体(1)靠近电动机(6)一侧的顶部通过螺栓连接有气泵(5),所述气泵(5)的排气端设置有输风管(4),且输风管(4)的一端插接于柜体(1)的内部。
  2. 根据权利要求1所述的一种用于电气工程的具有改善热特性的配电柜,其特征在于,所述柜体(1)的内壁通过螺栓固定连接有安装板(2),且柜体(1)的一侧铰接有柜门(16)。
  3. 根据权利要求1-2任一所述的一种用于电气工程的具有改善热特性的配电柜,其特征在于,所述柜体(1)的底部固定连接有底座(11),且底座(11)的内部设置为空腔,底座(11)的两侧设置为开口,底座(11)的内壁焊接有四个呈矩形分布的加强柱(10)。
  4. 根据权利要求3所述的一种用于电气工程的具有改善热特性的配电柜,其特征在于,所述柜体(1)的底部插接有四个等距离分布的通风斗(12),且柜体(1)通过四个通风斗(12)与底座(11)的内部相连通。
  5. 根据权利要求4所述的一种用于电气工程的具有改善热特性的配电柜,其特征在于,所述通风斗(12)顶部的内径大于自身底部的内径,且通风斗(12)的内部插接有筛板(13),筛板(13)的板体开设有均匀分布的筛孔(15)。
  6. 根据权利要求5所述的一种用于电气工程的具有改善热特性的配电柜,其特征在于,所述筛板(13)顶部的中间位置焊接有拉杆(14)。
  7. 根据权利要求1所述的一种用于电气工程的具有改善热特性的配电柜,其特征在于,所述网格板(3)的顶部延伸至柜体(1)的外部,且网格板(3)的顶部焊接有卡板(18),卡板(18)顶部的中间位置焊接有吊环(17)。
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CN114336340A (zh) * 2021-12-31 2022-04-12 广东求精电气有限公司 一种电气柜
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