WO2021142758A1 - 一种具有防护结构便于维修的变压器 - Google Patents

一种具有防护结构便于维修的变压器 Download PDF

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Publication number
WO2021142758A1
WO2021142758A1 PCT/CN2020/072667 CN2020072667W WO2021142758A1 WO 2021142758 A1 WO2021142758 A1 WO 2021142758A1 CN 2020072667 W CN2020072667 W CN 2020072667W WO 2021142758 A1 WO2021142758 A1 WO 2021142758A1
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Prior art keywords
protective
protective box
transformer
sliding
box
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PCT/CN2020/072667
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English (en)
French (fr)
Inventor
钟文东
吕元华
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南通盛洋电气有限公司
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Publication of WO2021142758A1 publication Critical patent/WO2021142758A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating

Definitions

  • the invention relates to the technical field of transformer casings, and in particular to a transformer with a protective structure for easy maintenance.
  • the transformer is a device that uses the principle of electromagnetic induction to change the AC voltage.
  • the transformer can convert the electrical energy into a high-voltage and low-current form, and then convert it back, thus greatly reducing the loss of electrical energy in the transmission process, making the economic transmission distance of electrical energy Reach farther, in this way, power plants can be built far away from electricity consumption.
  • the purpose of the present invention is to provide a transformer with a protective structure that is easy to maintain, so as to solve the problem that the general transformer is usually fixed on the top of the pole away from the ground in the background art.
  • the surface of the transformer is opened with a box door.
  • the design of the door has a gap between it and the shell, which can easily cause dust and rainwater to enter the shell and cause the problem of transformer failure.
  • a transformer with a protective structure for easy maintenance comprising a protective box, a desiccant and a waterproof groove
  • the surface of the protective box is provided with sliding grooves on both sides, and the inner wall of the sliding groove
  • a sealing strip is provided
  • a sliding strip is arranged inside the sealing strip
  • a protective plate is connected to the outer end of the sliding strip.
  • the surface of the protective plate and the inner wall of the protective box are both provided with threaded openings, and bolts penetrate through the threaded openings.
  • the surface of the protective plate is provided with ventilation holes
  • the desiccant is arranged inside the chute
  • the inner side of the chute is provided with a drying hole
  • the waterproof groove is connected to the top of the protective box.
  • the sealing strips are distributed symmetrically with respect to the vertical center line of the sliding groove, and the length of the sliding groove is consistent with the depth dimension of the protective box.
  • the protective plate constitutes a sliding structure between the sliding strip, the sliding groove and the protective box, and the side surface of the sliding strip is attached to the side surface of the sealing strip.
  • the protective plate forms a fixed structure with the protective box through bolts, and the bolts are distributed symmetrically with respect to the central axis of the protective box.
  • the protective box body forms a heat dissipation structure between the vent hole and the protective plate, and the diameter of the vent hole is 3 mm.
  • the desiccant has a granular structure, and the size of the outer opening of the desiccant is larger than the size of the inner opening of the drying hole.
  • the bottom of the inner wall of the waterproof groove has an arc-shaped structure, and the protective box constitutes a waterproof structure through the waterproof groove.
  • the beneficial effect of the present invention is that the transformer with a protective structure that is convenient for maintenance only needs to unscrew the bolts and pull down the protective plate to slide down the inside of the chute through the sliding bar, thereby protecting the transformer.
  • the inside of the box body is exposed.
  • This setting is convenient for maintenance personnel to perform maintenance. There is no need to open and close the box door. It is helpful to prevent the opening and closing of the box door from rotating and reduce the space for maintenance personnel.
  • After maintenance push the protective plate up and tighten the bolts. The side is clamped by the sealing strip to prevent a gap between the protective plate and the protective box.
  • the surface of the transformer protective plate with protective structure and easy maintenance is provided with vent holes with a diameter of mm, which is conducive to exhaust the high-temperature gas inside the protective box, and the inner wall of the protective plate is bonded with a filter cloth, which facilitates the flow of air while preventing the outside
  • the dust and rainwater in the environment enter the inside of the protective box through the vent hole, which plays a protective role in the protective box.
  • the transformer chute with a protective structure and easy maintenance is provided with a desiccant.
  • the desiccant can absorb the humid gas inside the protective box through the drying hole to prevent the inside of the protective box from being damp, and the size of the outer opening of the desiccant is larger than the inside of the drying hole.
  • the size of the opening is helpful to prevent the drying hole from entering the inside of the protective box, and the size of the inner opening of the waterproof groove is larger than the outer size of the top of the protective box.
  • the waterproof groove can guide rainwater to drain from both sides of the protective box along the arc-shaped bottom of the inner wall. Prevent rainwater from accumulating and protect the top of the box.
  • Fig. 1 is a schematic diagram of the front view structure of the present invention
  • Figure 2 is a schematic structural diagram of the operating state of the protective plate of the present invention.
  • Figure 3 is a top view of the internal structure of the present invention.
  • a transformer with a protective structure for easy maintenance including a protective box 1, a desiccant 9 and a waterproof groove 11, and slide grooves 2 are provided on both sides of the surface of the protective box 1.
  • the inner wall of the chute 2 is provided with a sealing strip 3, and the sealing strips 3 are symmetrically distributed with respect to the vertical center line of the chute 2, and the length of the chute 2 is consistent with the depth dimension of the protective box 1, and the inside of the sealing strip 3
  • a sliding bar 4 is provided, and the outer end of the sliding bar 4 is connected with a protective plate 5.
  • the protective plate 5 forms a sliding structure between the sliding bar 4, the sliding groove 2 and the protective box 1, and the side surface of the sliding bar 4 and the sealing strip 3
  • the side surfaces of the two parts are attached to each other, and the protective plate 5 is pulled down to slide down the inside of the chute 2 through the sliding bar 4, thereby exposing the inside of the protective box 1.
  • This setting is convenient for maintenance personnel to perform maintenance without opening and closing the box door, which is beneficial Preventing the opening and closing of the box door from rotating to reduce the activity space for maintenance personnel, and the fit of the side of the sliding strip 4 with the side of the sealing strip 3 is beneficial to prevent a gap between the protective plate 5 and the protective box 1;
  • Both the surface of the protective plate 5 and the inner wall of the protective box 1 are provided with threaded ports 6, and bolts 7 penetrate through the threaded ports 6.
  • the protective plate 5 forms a fixed structure between the bolts 7 and the protective box 1, and the bolts 7 are connected to each other.
  • the central axis of the protective box 1 is symmetrically distributed, and the protective plate 5 is fixed on the surface of the protective box 1 by tightening the bolts 7 to prevent it from sliding down, and the bolts 7 are evenly distributed around the protective plate 5, which is beneficial for the protective plate 5 to receive uniform force. , Improve the stability of the protective plate 5;
  • the surface of the protective plate 5 is provided with vent holes 8, and the protective box body 1 forms a heat dissipation structure between the vent holes 8 and the protective plate 5.
  • the diameter of the vent 8 is 3 mm, and the diameter of the vent 8 is 3 mm.
  • the high-temperature gas inside the body 1 is discharged while preventing external granular debris from entering the inside of the protective box 1 through the vent 8, and the inner wall of the protective plate 5 is bonded with a filter cloth, which facilitates air circulation and prevents dust and rain in the external environment Enter the inside of the protective box 1 through the vent 8 to protect the protective box 1;
  • the desiccant 9 is arranged inside the chute 2, and the inside of the chute 2 is provided with a drying hole 10, the desiccant 9 has a granular structure, and the outer opening of the desiccant 9 is larger than the inner opening of the drying hole 10, and the inside of the chute 2
  • the remaining space is filled with granular desiccant 9.
  • the desiccant 9 can absorb the humid gas inside the protective box 1 through the drying hole 10 to prevent the inside of the protective box 1 from being damp, and the size of the outer opening of the desiccant 9 is larger than that of the drying hole 10.
  • the size of the inner opening is beneficial to prevent the drying hole 10 from entering the inside of the protective box 1;
  • the waterproof tank 11 is connected to the top of the protective box 1, the bottom of the inner wall of the waterproof tank 11 is an arc-shaped structure, and the protective box 1 forms a waterproof structure through the waterproof groove 11, and the size of the inner opening of the waterproof groove 11 is larger than the outer opening of the top of the protective box 1 In terms of size, the waterproof groove 11 can guide rainwater along the arc-shaped bottom of its inner wall to drain from both sides of the protective box 1 to prevent rainwater from accumulating and penetrating into the top of the protective box 1.
  • the vent 8 with a diameter of 3mm facilitates the discharge of high-temperature gas inside the protective box 1 while preventing external particulate debris from entering the protective box 1 through the vent 8 and the inner wall of the protective plate 5 is bonded with filter cloth and filter cloth While facilitating air circulation, it prevents dust and rainwater in the external environment from entering the protective box 1 through the vent 8 to protect the protective box 1.
  • the desiccant 9 can absorb the humid gas inside the protective box 1 through the drying hole 10 to prevent the inside of the protective box 1 from being damp.
  • the outer opening size of the desiccant 9 is larger than the inner opening size of the drying hole 10 to help prevent the drying hole 10 from entering the protective box Inside the body 1, finally when it encounters rain, the size of the inner opening of the waterproof groove 11 is larger than the outer size of the top of the protective box 1, and the waterproof groove 11 can guide rainwater to drain from both sides of the protective box 1 along the arc-shaped bottom of its inner wall , Prevent rainwater from accumulating and penetrating into the top of the protective box 1.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Casings For Electric Apparatus (AREA)
  • Drying Of Gases (AREA)

Abstract

本发明公开了一种具有防护结构便于维修的变压器，包括防护箱体、干燥剂和防水槽，所述防护箱体表面两侧开设有滑槽，且滑槽内壁设置有密封条，所述密封条内部设置有滑动条，所述防护板表面与防护箱体内壁均开设有螺纹口，所述防护板表面开设有透气孔，所述干燥剂设置于滑槽内部，所述防水槽连接于防护箱体顶部。该具有防护结构便于维修的变压器维修时只需要拧下螺栓下拉防护板使其通过滑动条沿滑槽内部向下滑动，从而将防护箱体内部露出，该设置方便维修人员进行维修，无需开合箱门，有利于防止箱门开合旋转缩小维修人员的活动空间，而在维修后上推防护板拧紧螺栓即可，滑动条两侧受密封条夹持，从而防止防护板与防护箱体之间出现缝隙。

Description

一种具有防护结构便于维修的变压器 技术领域
本发明涉及变压器壳体技术领域，具体为一种具有防护结构便于维修的变压器。
 背景技术
变压器是利用电磁感应的原理来改变交流电压的装置，变压器可以将电能转换成高电压低电流形式，然后再转换回去，因此大大减小了电能在输送过程中的损失，使得电能的经济输送距离达到更远，如此一来，发电厂就可以建在远离用电的地方。
 技术问题
现有的变压器通常固定于电线杆顶部远离地面，为方便维修变压器壳体表面开设有箱门，然而箱门的设计使其与壳体之间具有缝隙，容易导致灰尘雨水进入壳体内部，从而导致变压器出现故障，针对上述情况，我们推出了一种具有防护结构便于维修的变压器。
 技术解决方案
在本发明的目的在于提供一种具有防护结构便于维修的变压器，以解决上述背景技术中提出一般的变压器通常固定于电线杆顶部远离地面，为方便维修变压器壳体表面开设有箱门，然而箱门的设计使其与壳体之间具有缝隙，容易导致灰尘雨水进入壳体内部，从而导致变压器出现故障的问题。
为实现上述目的，本发明提供如下技术方案：一种具有防护结构便于维修的变压器，包括防护箱体、干燥剂和防水槽，所述防护箱体表面两侧开设有滑槽，且滑槽内壁设置有密封条，所述密封条内部设置有滑动条，且滑动条外端连接有防护板，所述防护板表面与防护箱体内壁均开设有螺纹口，且螺纹口内部贯穿有螺栓，所述防护板表面开设有透气孔，所述干燥剂设置于滑槽内部，且滑槽内侧开设有干燥孔，所述防水槽连接于防护箱体顶部。
优选的，所述密封条之间关于滑槽的竖直中心线对称分布，且滑槽的长度尺寸与防护箱体的深度尺寸相吻合。
优选的，所述防护板通过滑动条、滑槽与防护箱体之间构成滑动结构，且滑动条的侧面与密封条的侧面相贴合。
优选的，所述防护板通过螺栓与防护箱体之间构成固定结构，且螺栓之间关于防护箱体的中轴线对称分布。
优选的，所述防护箱体通过透气孔与防护板之间构成散热结构，且透气孔的直径尺寸为3mm。
优选的，所述干燥剂呈颗粒状结构，且干燥剂的外口尺寸大于干燥孔的内口尺寸。
优选的，所述防水槽内壁底部呈弧形结构，且防护箱体通过防水槽构成防水结构。
 有益效果
在与现有技术相比，本发明的有益效果是：该具有防护结构便于维修的变压器在维修时只需要拧下螺栓下拉防护板使其通过滑动条沿滑槽内部向下滑动，从而将防护箱体内部露出，该设置方便维修人员进行维修，无需开合箱门，有利于防止箱门开合旋转缩小维修人员的活动空间，而在维修后上推防护板拧紧螺栓即可，滑动条两侧受密封条夹持，从而防止防护板与防护箱体之间出现缝隙。
该具有防护结构便于维修的变压器防护板表面开设有直径为mm的透气孔，有利于将防护箱体内部高温气体排出，且防护板内壁粘接有滤布，滤布方便气体流通的同时防止外部环境中的灰尘雨水通过透气孔进入防护箱体内部，对防护箱体起到了防护作用。
该具有防护结构便于维修的变压器滑槽内部设置有干燥剂，干燥剂通过干燥孔可吸收防护箱体内部的潮湿气体，防止防护箱体内部受潮，而干燥剂的外口尺寸大于干燥孔的内口尺寸有利于防止干燥孔进入防护箱体内部，而防水槽的内口尺寸大于防护箱体顶部的外口尺寸，防水槽可引导雨水沿着其内壁弧形底部从防护箱体两侧排放，防止雨水堆积防护箱体顶部。
 附图说明
在图1为本发明正视结构示意图；
图2为本发明防护板运作状态结构示意图；
图3为本发明俯视内部结构示意图。
图中：1、防护箱体；2、滑槽；3、密封条；4、滑动条；5、防护板；6、螺纹口；7、螺栓；8、透气孔；9、干燥剂；10、干燥孔；11、防水槽。
 本发明的实施方式
在下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1-3，本发明提供技术方案：一种具有防护结构便于维修的变压器，包括防护箱体1、干燥剂9和防水槽11，防护箱体1表面两侧开设有滑槽2，且滑槽2内壁设置有密封条3，密封条3之间关于滑槽2的竖直中心线对称分布，且滑槽2的长度尺寸与防护箱体1的深度尺寸相吻合，密封条3内部设置有滑动条4，且滑动条4外端连接有防护板5，防护板5通过滑动条4、滑槽2与防护箱体1之间构成滑动结构，且滑动条4的侧面与密封条3的侧面相贴合，下拉防护板5使其通过滑动条4沿滑槽2内部向下滑动，从而将防护箱体1内部露出，该设置方便维修人员进行维修，无需开合箱门，有利于防止箱门开合旋转缩小维修人员的活动空间，而滑动条4的侧面与密封条3的侧面相贴合有利于防止防护板5与防护箱体1之间出现缝隙；
防护板5表面与防护箱体1内壁均开设有螺纹口6，且螺纹口6内部贯穿有螺栓7，防护板5通过螺栓7与防护箱体1之间构成固定结构，且螺栓7之间关于防护箱体1的中轴线对称分布，通过拧紧螺栓7将防护板5固定于防护箱体1表面，防止其自行下滑，而螺栓7均匀分布与防护板5四周，有利于防护板5受力均匀，提高防护板5的稳定性；
防护板5表面开设有透气孔8，防护箱体1通过透气孔8与防护板5之间构成散热结构，且透气孔8的直径尺寸为3mm，透气孔8的直径尺寸为3mm方便将防护箱体1内部高温气体排出的同时防止外部颗粒状杂物通过透气孔8进入防护箱体1内部，且防护板5内壁粘接有滤布，滤布方便气体流通的同时防止外部环境中的灰尘雨水通过透气孔8进入防护箱体1内部，对防护箱体1起到了防护作用；
干燥剂9设置于滑槽2内部，且滑槽2内侧开设有干燥孔10，干燥剂9呈颗粒状结构，且干燥剂9的外口尺寸大于干燥孔10的内口尺寸，滑槽2内部剩余空间填充有颗粒状的干燥剂9，干燥剂9通过干燥孔10可吸收防护箱体1内部的潮湿气体，防止防护箱体1内部受潮，而干燥剂9的外口尺寸大于干燥孔10的内口尺寸有利于防止干燥孔10进入防护箱体1内部；
防水槽11连接于防护箱体1顶部，防水槽11内壁底部呈弧形结构，且防护箱体1通过防水槽11构成防水结构，防水槽11的内口尺寸大于防护箱体1顶部的外口尺寸，防水槽11可引导雨水沿着其内壁弧形底部从防护箱体1两侧排放，防止雨水堆积防护箱体1顶部进行渗入。
工作原理：在使用该一种具有防护结构便于维修的变压器时，首先在需要对防护箱体1内部的变压器进行维修时，只需要拧下螺栓7下拉防护板5使其通过滑动条4沿滑槽2内部向下滑动直达滑槽2底部，从而将防护箱体1内部露出，该设置方便维修人员进行维修，无需开合箱门，有利于防止箱门开合旋转缩小维修人员的活动空间，而在维修后上推防护板5拧紧螺栓7即可，然后滑动条4两侧受密封条3夹持，从而防止防护板5与防护箱体1之间出现缝隙，而防护板5表面开设有直径为3mm的透气孔8，方便将防护箱体1内部高温气体排出的同时防止外部颗粒状杂物通过透气孔8进入防护箱体1内部，且防护板5内壁粘接有滤布，滤布方便气体流通的同时防止外部环境中的灰尘雨水通过透气孔8进入防护箱体1内部，对防护箱体1起到了防护作用，随后滑槽2内部剩余空间填充有颗粒状的干燥剂9，干燥剂9通过干燥孔10可吸收防护箱体1内部的潮湿气体，防止防护箱体1内部受潮，而干燥剂9的外口尺寸大于干燥孔10的内口尺寸有利于防止干燥孔10进入防护箱体1内部，最后当遇到雨天时，防水槽11的内口尺寸大于防护箱体1顶部的外口尺寸，防水槽11可引导雨水沿着其内壁弧形底部从防护箱体1两侧排放，防止雨水堆积防护箱体1顶部进行渗入。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。
 工业实用性
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Claims (7)

  1. 一种具有防护结构便于维修的变压器，包括防护箱体（1）、干燥剂（9）和防水槽（11），其特征在于：所述防护箱体（1）表面两侧开设有滑槽（2），且滑槽（2）内壁设置有密封条（3），所述密封条（3）内部设置有滑动条（4），且滑动条（4）外端连接有防护板（5），所述防护板（5）表面与防护箱体（1）内壁均开设有螺纹口（6），且螺纹口（6）内部贯穿有螺栓（7），所述防护板（5）表面开设有透气孔（8），所述干燥剂（9）设置于滑槽（2）内部，且滑槽（2）内侧开设有干燥孔（10），所述防水槽（11）连接于防护箱体（1）顶部。
  2. 根据权利要求1所述的一种具有防护结构便于维修的变压器，其特征在于：所述密封条（3）之间关于滑槽（2）的竖直中心线对称分布，且滑槽（2）的长度尺寸与防护箱体（1）的深度尺寸相吻合。
  3. 根据权利要求1所述的一种具有防护结构便于维修的变压器，其特征在于：所述防护板（5）通过滑动条（4）、滑槽（2）与防护箱体（1）之间构成滑动结构，且滑动条（4）的侧面与密封条（3）的侧面相贴合。
  4. 根据权利要求1所述的一种具有防护结构便于维修的变压器，其特征在于：所述防护板（5）通过螺栓（7）与防护箱体（1）之间构成固定结构，且螺栓（7）之间关于防护箱体（1）的中轴线对称分布。
  5. 根据权利要求1所述的一种具有防护结构便于维修的变压器，其特征在于：所述防护箱体（1）通过透气孔（8）与防护板（5）之间构成散热结构，且透气孔（8）的直径尺寸为3mm。
  6. 根据权利要求1所述的一种具有防护结构便于维修的变压器，其特征在于：所述干燥剂（9）呈颗粒状结构，且干燥剂（9）的外口尺寸大于干燥孔（10）的内口尺寸。
  7. 根据权利要求1所述的一种具有防护结构便于维修的变压器，其特征在于：所述防水槽（11）内壁底部呈弧形结构，且防护箱体（1）通过防水槽（11）构成防水结构。
PCT/CN2020/072667 2020-01-15 2020-01-17 一种具有防护结构便于维修的变压器 WO2021142758A1 (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8299879B2 (en) * 2011-02-10 2012-10-30 Leco Corporation Transformer assembly using an internal load and method for forming same
CN207706607U (zh) * 2017-12-19 2018-08-07 南通市亿控自动化系统有限公司 一种透气防潮型电力用电气柜
CN208638826U (zh) * 2018-07-19 2019-03-22 南京腾旭科技有限公司 一种大功率电源用防尘防潮机柜
CN209343891U (zh) * 2019-03-21 2019-09-03 广州增银电力设备有限公司 一种便携式小型变压器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8299879B2 (en) * 2011-02-10 2012-10-30 Leco Corporation Transformer assembly using an internal load and method for forming same
CN207706607U (zh) * 2017-12-19 2018-08-07 南通市亿控自动化系统有限公司 一种透气防潮型电力用电气柜
CN208638826U (zh) * 2018-07-19 2019-03-22 南京腾旭科技有限公司 一种大功率电源用防尘防潮机柜
CN209343891U (zh) * 2019-03-21 2019-09-03 广州增银电力设备有限公司 一种便携式小型变压器

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