CN205564499U - Power transformer noise and electromagnetic radiation shield assembly - Google Patents
Power transformer noise and electromagnetic radiation shield assembly Download PDFInfo
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- CN205564499U CN205564499U CN201620191872.5U CN201620191872U CN205564499U CN 205564499 U CN205564499 U CN 205564499U CN 201620191872 U CN201620191872 U CN 201620191872U CN 205564499 U CN205564499 U CN 205564499U
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Abstract
本实用新型涉及电力系统的供电设备,具体地说是一种电力变压器的噪声和电磁辐射屏蔽装置,其特征在于设有框架、隔音板和电磁屏蔽板,隔音板和电磁屏蔽板的周边分别前后叠加地镶嵌在框架内,框架的下端设有支撑架,框架及框架内的隔音板和电磁屏蔽板的上端部呈向前上方弧形弯曲状,使用时,将本装置的前面也就是隔音板板朝向并尽可能地贴近变压器,然后经地螺丝、支撑架将框架固定即可,隔音板吸收变压器的噪音,平面钢板将变压器产生的电磁经接地线引入大地,具有安装拆卸简便、使用效果好、可重复使用等优点。
The utility model relates to power supply equipment of a power system, in particular to a noise and electromagnetic radiation shielding device for a power transformer. Superimposedly embedded in the frame, the lower end of the frame is provided with a support frame, and the upper end of the frame and the sound insulation board and the electromagnetic shielding board in the frame are curved forward and upward. When in use, the front of the device is the sound insulation board The board faces and is as close to the transformer as possible, and then the frame is fixed by ground screws and support frames. The sound insulation board absorbs the noise of the transformer, and the flat steel plate guides the electromagnetic generated by the transformer into the earth through the grounding wire. It is easy to install and disassemble, and has good use effect , Reusable and other advantages.
Description
技术领域 technical field
本发明涉及电力系统的供电设备,具体地说是一种电力变压器的噪声和电磁辐射屏蔽装置。 The invention relates to power supply equipment of a power system, in particular to a noise and electromagnetic radiation shielding device for a power transformer.
背景技术 Background technique
众所周知,城市建设的不断加快,土地资源日趋紧张,随之而来的是新建居民小区的容积率不断增加,居民数量的增多,用电量增多,需要配备更多的变压器,并且部分变压器离居民楼较近,虽然变压器在日常运行中所产生噪声及电磁辐射值均符合国家标准,但是少部分居民房屋因距变压器较近,在夜间等安静环境中,仍会听到轻微噪声,影响居民休息,由变压器噪声、电磁辐射方面的投诉和纠纷越来越多。 As we all know, with the continuous acceleration of urban construction and the increasingly tight land resources, the floor area ratio of newly built residential quarters continues to increase, the number of residents increases, and the power consumption increases. More transformers need to be equipped, and some transformers are far away from residents. Although the noise and electromagnetic radiation generated by the transformer in daily operation are in line with national standards, a small number of residential buildings are close to the transformer, and slight noise can still be heard in quiet environments such as at night, affecting residents' rest , There are more and more complaints and disputes about transformer noise and electromagnetic radiation.
发明内容 Contents of the invention
本实用新型的目的就是克服现有技术的不足,提供一种安装拆卸简便、可重复使用的电力变压器噪声和电磁辐射屏蔽装置。 The purpose of the utility model is to overcome the deficiencies of the prior art and provide a power transformer noise and electromagnetic radiation shielding device which is easy to install and disassemble and can be used repeatedly.
本实用新型可以通过如下措施达到: The utility model can be achieved through the following measures:
一种电力变压器噪声和电磁辐射屏蔽装置,其特征在于设有框架、隔音板和电磁屏蔽板,隔音板和电磁屏蔽板的周边分别前后叠加地镶嵌在框架内,框架的下端设有支撑架,框架及框架内的隔音板和电磁屏蔽板的上端部呈向前上方弧形弯曲状。 A power transformer noise and electromagnetic radiation shielding device is characterized in that a frame, a sound insulation board and an electromagnetic shielding board are provided, and the peripheries of the sound insulation board and the electromagnetic shielding board are respectively superimposed and inlaid in the frame, and the lower end of the frame is provided with a support frame, The frame and the upper end of the sound insulation board and the electromagnetic shielding board in the frame are curved forward and upward.
本实用新型所述的隔音板厚度不小于5mm,电磁屏蔽板为光滑的平面钢板,隔音板和电磁屏蔽板的间距不小于10 mm,以提高隔音和防电磁辐射的能力。 The thickness of the sound insulation board described in the utility model is not less than 5mm, the electromagnetic shielding plate is a smooth flat steel plate, and the distance between the sound insulation board and the electromagnetic shielding plate is not less than 10 mm, so as to improve the ability of sound insulation and electromagnetic radiation prevention.
本实用新型所述的电磁屏蔽板或框架的下端部设有接地螺钉,接地线一端与地接地螺钉相连接,另一端与地螺丝相连接,所述地螺丝设有丝杆,丝杆的前端部呈尖角状,丝杆的后端部设有螺纹,紧固螺母和背螺母分别线螺纹上在丝杆的后端,接地线经背螺母的紧固螺母夹持,丝杆上设有螺旋叶片。 The lower end of the electromagnetic shielding plate or frame described in the utility model is provided with a grounding screw, one end of the grounding wire is connected with the grounding screw, and the other end is connected with the grounding screw, the grounding screw is provided with a screw rod, and the front end of the screw rod The part is pointed, the rear end of the screw rod is provided with threads, the fastening nut and the back nut are respectively threaded on the rear end of the screw rod, the grounding wire is clamped by the fastening nut of the back nut, and the screw rod is provided with Spiral blade.
本实用新型所述的支撑架下端设有通孔,通孔内设有地螺丝,以增加支撑架的稳定性。 The lower end of the support frame described in the utility model is provided with a through hole, and a ground screw is arranged in the through hole to increase the stability of the support frame.
本实用新型使用时,将本装置的前面也就是隔音板板朝向并尽可能地贴近变压器,然后经地螺丝、支撑架将框架固定即可,隔音板吸收变压器的噪音,平面钢板将变压器产生的电磁经接地线引入大地,具有安装拆卸简便、使用效果好、可重复使用等优点。 When the utility model is used, the front of the device, that is, the sound insulation board, is directed towards and close to the transformer as much as possible, and then the frame is fixed through ground screws and support frames. The sound insulation board absorbs the noise of the transformer, and the plane steel plate absorbs the noise generated by the transformer. The electromagnetic is introduced into the earth through the grounding wire, which has the advantages of easy installation and disassembly, good use effect, and reusability.
附图说明 Description of drawings
图1是本实用新型的主视图。 Fig. 1 is the front view of the utility model.
图2是图1的左视图。 Fig. 2 is a left side view of Fig. 1 .
图3是图1的A-A剖面图。 Fig. 3 is an AA sectional view of Fig. 1 .
图4是地螺丝示意图。 Figure 4 is a schematic diagram of ground screws.
具体实施方式 detailed description
下面结合附图对本实用新型作进一步描述: Below in conjunction with accompanying drawing, the utility model will be further described:
如图所示:一种电力变压器噪声和电磁辐射屏蔽装置,其特征在于设有框架1、隔音板2和电磁屏蔽板3,隔音板3和电磁屏蔽板3的周边分别前后叠加地镶嵌在框架1内,框架的下端设有支撑架,框架及框架内的隔音板和电磁屏蔽板的上端部呈向前上方弧形弯曲状,隔音板厚度不小于5mm,电磁屏蔽板为光滑的平面钢板,隔音板和电磁屏蔽板的间距不小于10 mm,以提高隔音和防电磁辐射的能力,电磁屏蔽板或框架的下端部设有接地螺钉4,接地线一端与地接地螺钉相连接,另一端与地螺丝相连接,所述地螺丝设有丝杆,丝杆的前端部呈尖角状,丝杆的后端部设有螺纹,紧固螺母和背螺母分别线螺纹上在丝杆的后端,接地线经背螺母的紧固螺母夹持,丝杆上设有螺旋叶片,支撑架下端设有通孔,通孔内设有地螺丝,以增加支撑架的稳定性,使用时,将本装置的前面也就是隔音板板朝向并尽可能地贴近变压器,然后经地螺丝、支撑架将框架固定即可,隔音板吸收变压器的噪音,平面钢板将变压器产生的电磁经接地线引入大地,具有安装拆卸简便、使用效果好、可重复使用等优点。 As shown in the figure: a power transformer noise and electromagnetic radiation shielding device, which is characterized in that it is provided with a frame 1, a sound insulation board 2 and an electromagnetic shielding board 3, and the peripheries of the sound insulation board 3 and the electromagnetic shielding board 3 are respectively superimposed and embedded in the frame 1, the lower end of the frame is provided with a support frame, the upper end of the frame and the sound insulation board and the electromagnetic shielding board in the frame are curved forward and upward, the thickness of the sound insulation board is not less than 5mm, and the electromagnetic shielding board is a smooth flat steel plate, The distance between the sound insulation board and the electromagnetic shielding board is not less than 10 mm to improve the ability of sound insulation and electromagnetic radiation prevention. The lower end of the electromagnetic shielding board or frame is provided with a grounding screw 4, and one end of the grounding wire is connected to the grounding screw, and the other end is connected to the grounding screw. The ground screw is connected, and the ground screw is provided with a screw rod. The front end of the screw rod is pointed, and the rear end of the screw rod is provided with threads. , the ground wire is clamped by the fastening nut of the back nut, the screw rod is provided with a helical blade, the lower end of the support frame is provided with a through hole, and a ground screw is provided in the through hole to increase the stability of the support frame. The front of the device is the sound insulation board facing and close to the transformer as much as possible, and then the frame can be fixed through the ground screw and the support frame. The sound insulation board absorbs the noise of the transformer, and the flat steel plate guides the electromagnetic generated by the transformer into the earth through the grounding wire. It has the advantages of easy installation and disassembly, good effect and reusability.
Claims (4)
Priority Applications (1)
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CN201620191872.5U CN205564499U (en) | 2016-03-14 | 2016-03-14 | Power transformer noise and electromagnetic radiation shield assembly |
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CN201620191872.5U CN205564499U (en) | 2016-03-14 | 2016-03-14 | Power transformer noise and electromagnetic radiation shield assembly |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106373718A (en) * | 2016-11-21 | 2017-02-01 | 国网山东省电力公司烟台供电公司 | a power transformer |
-
2016
- 2016-03-14 CN CN201620191872.5U patent/CN205564499U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106373718A (en) * | 2016-11-21 | 2017-02-01 | 国网山东省电力公司烟台供电公司 | a power transformer |
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C14 | Grant of patent or utility model | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20180314 |
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CF01 | Termination of patent right due to non-payment of annual fee |