CN111799663A - Rain cover for electric power equipment - Google Patents
Rain cover for electric power equipment Download PDFInfo
- Publication number
- CN111799663A CN111799663A CN202010662878.7A CN202010662878A CN111799663A CN 111799663 A CN111799663 A CN 111799663A CN 202010662878 A CN202010662878 A CN 202010662878A CN 111799663 A CN111799663 A CN 111799663A
- Authority
- CN
- China
- Prior art keywords
- cover
- cover body
- mounting flange
- window
- rain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention relates to a rain-proof cover for electric power equipment, which is arranged on two adjacent tubular bus bars and comprises a cover body and a cover cap detachably arranged on the cover body, wherein an accommodating cavity is formed between the cover body and the cover cap, two opposite side surfaces of the cover body are provided with shutters, an included angle is formed between one side surface of the cover cap far away from the cover body and the horizontal plane, one side of the cover cap close to the cover body is provided with a communication hole, and the accommodating cavity is communicated with the outside of the cover body through. Through setting up the cover body and shroud, be provided with the intercommunication hole of the inside and outside of the intercommunication cover body on the bottom surface of shroud, specific rain-proof, dampproofing characteristics.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a rainproof cover for power equipment.
Background
Among power equipment, gas insulated metal enclosed switchgear (GIS for short) is increasingly widely used due to its small floor space, non-maintenance, less maintenance and strong environmental adaptability. The GIS comprises electrical equipment such as a circuit breaker, a mutual inductor and an isolating switch, an outlet terminal and a tubular bus for connection, wherein the tubular bus is arranged in a tubular bus barrel, and SF6 insulating gas with certain pressure is filled in the tubular bus barrel. In application, the axial direction of the tube bus tube can generate stress due to expansion with heat and contraction with cold or settlement of a foundation, and the tube bus tube can deform in severe cases and harm the safe operation of equipment. Therefore, the tube bus tubes are distributed in a multi-section connection mode, the corrugated tube is arranged between every two adjacent tube bus tubes, and stress on the tube bus tubes is released through deformation of the corrugated tube. Usually, the two ends of the corrugated pipe are respectively connected with the flanges at the end parts of two adjacent pipe bus tubes. Because the equipment is located outdoors, rainwater can cause the corrugated pipe and the connecting piece to be corroded, the service lives of the corrugated pipe and the connecting piece are shortened, corroded stripping objects fall into the pipe bus tube, and the safe operation of GIS equipment and the control of the maintenance and replacement cost of the equipment are not facilitated.
Disclosure of Invention
The invention aims to provide a rain cover for electric power equipment, which can improve the rain-proof and moisture-proof performances of the electric power equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a pair of rain-proof cover of power equipment installs on two adjacent tub of generating line section of thick bamboos, including the cover body with demountable installation in shroud on the cover body, the cover body with form between the shroud and hold the chamber, the relative both sides face of the cover body is provided with the shutter, the shroud is kept away from the contained angle setting is personally submitted with the level to one side of the cover body, the shroud is close to one side of the cover body is provided with the intercommunicating pore, hold the chamber with the outside of the cover body passes through the intercommunicating pore intercommunication.
Further, the cover body is close to a side of the cover cap is provided with down mounting flange, the cover cap is close to a side of the cover body be provided with mounting flange complex goes up the mounting flange down, the cover body with pass through between the cover cap down mounting flange with it connects to go up the mounting flange.
Furthermore, a sealing gasket is arranged between the upper mounting flange and the lower mounting flange.
Further, the communication holes are arranged in a plurality, and the communication holes are arranged at intervals along the periphery of the cover.
Furthermore, a water storage tank is arranged on the periphery of the cover, the bottom of the water storage tank is located on one side, close to the cover body, of the upper mounting flange, and the communication holes are formed in the bottom of the water storage tank.
Furthermore, a diversion structure is arranged on one side face, facing the cover body, of the cover body, and the diversion structure extends into the water storage tank.
Furthermore, the cover body is further provided with a window, an isolation net used for plugging the window is arranged on the window, the shutter is installed on the window, and the shutter is located on the outer side of the isolation net.
Furthermore, the number of the isolation nets is two, and the two isolation nets are arranged on the window at intervals.
Furthermore, the cover body is also provided with an observation window.
Further, still be provided with on the cover body and dodge the hole, a tub of generating line section of thick bamboo is worn to locate dodge the hole, just dodge the hole with be provided with the sealing washer between a tub of generating line section of thick bamboo.
Compared with the prior art, the invention has the beneficial effects that:
the rain cover for the power equipment has the characteristics of being rain-proof and damp-proof by arranging the cover body and the cover, wherein the communication hole for communicating the inside and the outside of the cover body is formed in the bottom surface of the cover.
Drawings
Fig. 1 is a schematic diagram of a rain cover of an electrical power apparatus of an embodiment.
Fig. 2 is a cross-sectional view of the rain cover of the power equipment of the embodiment.
In the figure:
1. a cover body; 10. installing a flange; 11. avoiding holes; 12. a blind window; 13. a viewing port; 14. an isolation net; 15. a seal ring; 2. a cover; 20. installing a flange; 21. a water storage tank; 22. a communicating hole; 23. a flow guide structure; 3. a connecting plate; 4. and a gasket.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
As shown in fig. 1 and 2, the rain cover for power equipment provided by the invention is installed on two adjacent tubular bus bars, and comprises a cover body 1 and a cover cap 2 detachably installed on the cover body 1, an accommodating cavity is formed between the cover body 1 and the cover cap 2, two opposite side surfaces of the cover body 1 are provided with shutters 12, one side surface of the cover cap 2 away from the cover body 1 forms an included angle with the horizontal plane, one side of the cover cap 2 close to the cover body 1 is provided with a communication hole 22, and the accommodating cavity is communicated with the outside of the cover body 1 through the communication hole 22. It can be understood that, this rain-proof cover of power equipment is applied to among the gas insulated metal enclosed switchgear (GIS), and it is installed on two adjacent pipe bus-bars section of thick bamboo to make locate the bellows between two adjacent pipe bus-bars section of thick bamboo and be located and hold the intracavity, play the rainproof effect of bellows and connecting piece to it. In this embodiment, this rain-proof cover of electric power includes the cover body 1 and shroud 2, and the cover body 1 is provided with the chamber that holds that is used for holding the bellows, and the both sides face that the cover body 1 is relative is provided with the hole of dodging 11 that is used for wearing to establish a tub generating line section of thick bamboo. Be provided with shutter 12 on two sides adjacent with dodging hole 11, shutter 12 is used for the intercommunication to hold the outside of chamber and cover body 1, does benefit to inside and outside circulation of air, avoids holding the liquefaction of intracavity damp and hot air, promotes dampproofing effect. The cover 2 is arranged on the top of the cover body 1 and plays a role of keeping off rain. The top surface of the cover cap 2 is an inclined surface, and the top surface is arranged obliquely relative to the horizontal plane to avoid water accumulation. The cover 2 has a high middle part and a low periphery. The side of the cover 2 facing the cover 1 is provided with a communication hole 22, the communication hole 22 communicates the accommodating chamber of the cover 1 with the outside of the cover 1, the hot and humid air inside the accommodating chamber can be discharged through the communication hole 22, and the hot and humid air inside the accommodating chamber is liquefied to form water drops on the cover 2 and can be discharged through the communication hole 22. The structure has good rainproof and moistureproof capabilities by arranging the cover body 1 and the cover 2 and arranging the communication hole 22 which is used for communicating the inside and the outside of the cover body 1 on the bottom surface of the cover 2.
Specifically, a sealing ring 15 is arranged between the avoiding hole 11 and the tube bus tube. The sealing ring 15 is arranged to enhance the sealing performance between the cover body 1 and the tube bus tube.
Specifically, cover body 1 includes two casings and connecting plate 3, and two casing make-up form and hold the chamber, dodge hole 11 to set up in the junction of two casings, and the both ends of connecting plate 3 are connected with two casings respectively for fix two casings. During installation, the two shells are installed on the tube bus tube in a buckling mode from the two sides of the tube bus tube respectively, the two shells are fixed through the connecting plate 3, and the cover cap 2 is installed at last. The structure is convenient to install, and the cover body does not need to be sleeved on the tube bus tube in advance when the tube bus tube is installed.
Specifically, a lower mounting flange 10 is arranged on one side face, close to the cover 2, of the cover body 1, an upper mounting flange 20 matched with the lower mounting flange 10 is arranged on one side face, close to the cover 1, of the cover 2, and the cover body 1 and the cover 2 are connected through the lower mounting flange 10 and the upper mounting flange 20. In this embodiment, the cover body 1 and the cover 2 are connected by a flange, so that the installation is facilitated. In other embodiments, the connection surfaces of the cover cap 2 and the cover body 1 are respectively provided with a clamping protrusion and a clamping groove, and the cover cap 2 and the cover body 1 are clamped through the clamping protrusion and the clamping groove.
Specifically, a gasket 4 is disposed between the upper mounting flange 20 and the lower mounting flange 10. It can be understood that the sealing gasket 4 is arranged between the two flanges, so that the formation of water drops in the gap between the two flanges by the damp and hot air can be avoided, the dry environment in the cover body 1 is ensured, and the moisture-proof capacity of the cover body is improved.
Specifically, the communication holes 22 are plural, the plural communication holes 22 are provided at intervals along the peripheral portion of the cover 2, and the communication holes 22 are located outside the cover 1. In this embodiment, the outer peripheral portion of the cover 2 is bent toward the middle of the cover 2 and connected to the upper mounting flange 20. The communicating hole 22 is formed at the bent portion connected to the upper mounting flange 20, so that the accommodating chamber of the cover 1 communicates with the outside of the cover 1. So that the hot and humid air in the receiving chamber ascends and is discharged to the outside through the communication hole 22. Meanwhile, when the hot and humid air is liquefied at the bottom surface of the cover 2 to form beads, the beads may flow toward the edge of the cover 2 along the bottom surface of the cover 2 and be discharged through the communication holes 22 due to the inclined arrangement of the cover 2. The structure is beneficial to discharging the damp and hot air in the cover body 1 and the water drops on the cover 2 through the communication hole 22, and has good rainproof and moistureproof capabilities.
Specifically, the peripheral part of the cover 2 is provided with a water storage tank 21, the bottom of the water storage tank 21 is positioned on one side of the upper mounting flange 20 close to the cover body 1, and the communication hole 22 is arranged at the bottom of the water storage tank 21. It will be appreciated that the provision of the reservoir 21 facilitates the collection of water droplets flowing down the underside of the cover 2 for drainage. The intercommunicating pores 22 are arranged at the bottom of the tank, which is beneficial to completely discharging water in the water storage tank 21 and ensuring the drainage quality.
Specifically, a flow guiding structure 23 is disposed on a side surface of the cover 2 facing the cover 1, and the flow guiding structure 23 extends into the water storage tank 21. It will be appreciated that the purpose of the flow directing structure 23 is to encourage the flow of water droplets on the cover 1 into the reservoir 21. When the water drops are formed on the bottom surface of the cover 2, the water drops are adhered to the bottom surface of the cover 2 and are not liable to flow down due to the adhesion ability of the water drops. Through setting up water conservancy diversion structure 23, can reduce the adhesion face of drop of water, make the drop of water slide down along water conservancy diversion structure 23 to combine to form bigger drop of water with other drops of water in the sliding process, be favorable to the drop of water landing to the catch basin 21 in. In this embodiment, the flow guiding structure 23 is a plurality of ribs disposed on the bottom surface of the cover 2, and each rib extends from the highest position of the cover 2 relative to the upper mounting flange 20 to the lowest position. Of course, the flow directing structure 23 may also be provided as a plurality of grooves, each groove extending from the highest position of the bonnet 2 relative to the upper mounting flange 20 to the lowest position. One end of the ridge or groove extends into the reservoir 21.
Specifically, the cover body 1 is further provided with a window, an isolation net 14 for plugging the window is arranged on the window, the louver 12 is installed on the window, and the louver 12 is located on the outer side of the isolation net 14. It is understood that the separation net 14 is provided with air holes having a dense and small diameter. The isolation net 14 is arranged to prevent the small animals from creeping into the housing 1 through the shutter 12 and damaging the internal equipment.
Specifically, the number of the isolation nets 14 is two, and the two isolation nets 14 are arranged on the window at intervals. Two layers of isolation nets 14 are arranged, when rainwater falls to the cover body 1 in an inclined mode, the rainwater cannot easily penetrate through the two layers of isolation nets 14 to enter the cover body 1, and the rainproof effect is improved.
Specifically, the cover 1 is further provided with an observation window 13. The observation window 13 is positioned above the louver 12, and transparent glass is arranged on the observation window 13. Set up observation window 13 and be favorable to the inside condition that the detection personnel externally observed the cover body 1, be convenient for patrol and examine the operation.
The remarkable effects of the embodiment are as follows: through setting up cover body 1 and shroud 2, be provided with the intercommunication hole 22 of intercommunication cover body 1's inside and outside on the bottom surface of shroud 2, have good rain-proof, dampproofing ability.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (10)
1. The utility model provides a rain-proof cover of power equipment, installs on two adjacent tub of generating line section of thick bamboo, its characterized in that, including the cover body with demountable installation in shroud on the cover body, the cover body with form between the shroud and hold the chamber, the relative both sides face of the cover body is provided with the shutter, the shroud is kept away from the contained angle setting is personally submitted with the level to one side of the cover body, the shroud is close to one side of the cover body is provided with the intercommunicating pore, hold the chamber with the outside of the cover body is passed through the intercommunicating pore.
2. The electrical equipment rain cover of claim 1, wherein the cover body is close to a side of the cover cap is provided with a lower mounting flange, the cover cap is close to a side of the cover body is provided with an upper mounting flange matched with the lower mounting flange, the cover body and the cover cap are connected through the lower mounting flange and the upper mounting flange.
3. The electrical equipment rain cover of claim 2, wherein a gasket is disposed between the upper mounting flange and the lower mounting flange.
4. The power equipment rain shield according to claim 2, wherein the communication hole is provided in plurality, and the plurality of communication holes are provided at intervals along a peripheral portion of the cover.
5. The power equipment rain cover according to claim 2, wherein a water storage tank is arranged on the periphery of the cover, the bottom of the water storage tank is located on one side, close to the cover body, of the upper mounting flange, and the communication hole is formed in the bottom of the water storage tank.
6. The electrical equipment rain shield of claim 5, wherein a flow directing structure is disposed on a side of the cover facing the shield, the flow directing structure extending into the reservoir.
7. The electrical equipment rain cover according to claim 1, wherein a window is further provided on the cover body, an isolation mesh for plugging the window is provided on the window, the louver is installed on the window, and the louver is located outside the isolation mesh.
8. The electrical equipment rain cover according to claim 7, wherein the number of the isolation nets is two, and the two isolation nets are arranged on the window at intervals.
9. The electrical equipment rain shield of claim 1, further comprising an observation window disposed on the shield body.
10. The power equipment rain cover according to claim 1, wherein an avoiding hole is further formed in the cover body, the pipe bus tube penetrates through the avoiding hole, and a sealing ring is arranged between the avoiding hole and the pipe bus tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010662878.7A CN111799663B (en) | 2020-07-10 | 2020-07-10 | Rain cover for electric power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010662878.7A CN111799663B (en) | 2020-07-10 | 2020-07-10 | Rain cover for electric power equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111799663A true CN111799663A (en) | 2020-10-20 |
| CN111799663B CN111799663B (en) | 2022-04-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010662878.7A Active CN111799663B (en) | 2020-07-10 | 2020-07-10 | Rain cover for electric power equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111799663B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19609845C1 (en) * | 1996-03-13 | 1997-05-28 | Loh Kg Rittal Werk | Cooler for mounting on wall or door of switching cubicle |
| EP1855363A1 (en) * | 2006-05-11 | 2007-11-14 | I.R.E. Industria Resistenze Elettriche S.R.L. | Cabinet for electrical elements that generate heat to be dissipated |
| CN103247945A (en) * | 2013-05-08 | 2013-08-14 | 福建省电力有限公司泉州电业局 | Damp-proof terminal box |
| CN203570233U (en) * | 2013-11-14 | 2014-04-30 | 郑州光力科技股份有限公司 | Dust collection cover and dust collection device using same |
| CN204030335U (en) * | 2014-08-04 | 2014-12-17 | 广东金晖隆开关有限公司 | There is the outdoor box of antifogging function |
| CN204119695U (en) * | 2014-10-23 | 2015-01-21 | 北京新利同创电子设备有限责任公司 | A kind of rainproof electrical control cabinet |
| CN204514486U (en) * | 2015-03-10 | 2015-07-29 | 国家电网公司 | A kind of transformer temperature plug-in unit rain cover |
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| CN206003681U (en) * | 2016-09-26 | 2017-03-08 | 国网浙江省电力公司湖州供电公司 | A kind of rain cover of outdoor disconnector |
| CN107680874A (en) * | 2017-08-21 | 2018-02-09 | 高萌迪 | A kind of Transformer Gas Relay rain cover |
| CN207069298U (en) * | 2017-07-25 | 2018-03-02 | 广东电网有限责任公司梅州供电局 | A kind of Rainproof cover of circuit breaker mechanism case |
| CN208112069U (en) * | 2018-05-09 | 2018-11-16 | 江西鹏盛电器设备有限公司 | A kind of case change promoting water-resistant performance |
| CN109066543A (en) * | 2018-07-11 | 2018-12-21 | 河南亚邦电气有限公司 | A kind of bus bridge for open air |
| CN208580985U (en) * | 2018-08-07 | 2019-03-05 | 青岛海洋电气设备检测有限公司 | A kind of outdoor electricity distribution net switchgear instrument box condensation-preventing device |
| CN208608021U (en) * | 2018-05-31 | 2019-03-15 | 国家电网公司 | The adjustable rain cover of GIS sunk type CT terminal box umbrella shape |
| CN208782290U (en) * | 2018-10-22 | 2019-04-23 | 安徽华然电力设备有限公司 | A kind of novel overvoltage suppression cabinet |
| CN109872915A (en) * | 2019-04-09 | 2019-06-11 | 国家电网有限公司 | A kind of disconnecting switch rain cover |
| CN208970942U (en) * | 2018-11-16 | 2019-06-11 | 杭州蒙拓电力科技有限公司 | A kind of power equipment rain cover |
| CN209000723U (en) * | 2018-12-19 | 2019-06-18 | 保定天威保变电气股份有限公司 | A kind of mutual inductor outlet terminal box rain cover |
| CN209675814U (en) * | 2019-06-14 | 2019-11-22 | 广东电网有限责任公司 | A kind of GIS device CT secondary terminal box rain cover |
| CN209785696U (en) * | 2019-04-29 | 2019-12-13 | 卧龙电气驱动集团股份有限公司 | Rain-proof structure of transformer instrument |
| CN209805114U (en) * | 2019-06-26 | 2019-12-17 | 国家电网有限公司 | Prevent condensation box for automatically controlled equipment |
| CN210156750U (en) * | 2019-08-02 | 2020-03-17 | 曾建忠 | Prevent switch board of condensation |
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2020
- 2020-07-10 CN CN202010662878.7A patent/CN111799663B/en active Active
Patent Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19609845C1 (en) * | 1996-03-13 | 1997-05-28 | Loh Kg Rittal Werk | Cooler for mounting on wall or door of switching cubicle |
| EP1855363A1 (en) * | 2006-05-11 | 2007-11-14 | I.R.E. Industria Resistenze Elettriche S.R.L. | Cabinet for electrical elements that generate heat to be dissipated |
| CN103247945A (en) * | 2013-05-08 | 2013-08-14 | 福建省电力有限公司泉州电业局 | Damp-proof terminal box |
| CN203570233U (en) * | 2013-11-14 | 2014-04-30 | 郑州光力科技股份有限公司 | Dust collection cover and dust collection device using same |
| CN204030335U (en) * | 2014-08-04 | 2014-12-17 | 广东金晖隆开关有限公司 | There is the outdoor box of antifogging function |
| CN204119695U (en) * | 2014-10-23 | 2015-01-21 | 北京新利同创电子设备有限责任公司 | A kind of rainproof electrical control cabinet |
| CN204514486U (en) * | 2015-03-10 | 2015-07-29 | 国家电网公司 | A kind of transformer temperature plug-in unit rain cover |
| CN205509271U (en) * | 2016-04-18 | 2016-08-24 | 国网山东省电力公司郓城县供电公司 | Visual power distribution cabinet |
| CN206003681U (en) * | 2016-09-26 | 2017-03-08 | 国网浙江省电力公司湖州供电公司 | A kind of rain cover of outdoor disconnector |
| CN207069298U (en) * | 2017-07-25 | 2018-03-02 | 广东电网有限责任公司梅州供电局 | A kind of Rainproof cover of circuit breaker mechanism case |
| CN107680874A (en) * | 2017-08-21 | 2018-02-09 | 高萌迪 | A kind of Transformer Gas Relay rain cover |
| CN208112069U (en) * | 2018-05-09 | 2018-11-16 | 江西鹏盛电器设备有限公司 | A kind of case change promoting water-resistant performance |
| CN208608021U (en) * | 2018-05-31 | 2019-03-15 | 国家电网公司 | The adjustable rain cover of GIS sunk type CT terminal box umbrella shape |
| CN109066543A (en) * | 2018-07-11 | 2018-12-21 | 河南亚邦电气有限公司 | A kind of bus bridge for open air |
| CN208580985U (en) * | 2018-08-07 | 2019-03-05 | 青岛海洋电气设备检测有限公司 | A kind of outdoor electricity distribution net switchgear instrument box condensation-preventing device |
| CN208782290U (en) * | 2018-10-22 | 2019-04-23 | 安徽华然电力设备有限公司 | A kind of novel overvoltage suppression cabinet |
| CN208970942U (en) * | 2018-11-16 | 2019-06-11 | 杭州蒙拓电力科技有限公司 | A kind of power equipment rain cover |
| CN209000723U (en) * | 2018-12-19 | 2019-06-18 | 保定天威保变电气股份有限公司 | A kind of mutual inductor outlet terminal box rain cover |
| CN109872915A (en) * | 2019-04-09 | 2019-06-11 | 国家电网有限公司 | A kind of disconnecting switch rain cover |
| CN209785696U (en) * | 2019-04-29 | 2019-12-13 | 卧龙电气驱动集团股份有限公司 | Rain-proof structure of transformer instrument |
| CN209675814U (en) * | 2019-06-14 | 2019-11-22 | 广东电网有限责任公司 | A kind of GIS device CT secondary terminal box rain cover |
| CN209805114U (en) * | 2019-06-26 | 2019-12-17 | 国家电网有限公司 | Prevent condensation box for automatically controlled equipment |
| CN210156750U (en) * | 2019-08-02 | 2020-03-17 | 曾建忠 | Prevent switch board of condensation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111799663B (en) | 2022-04-12 |
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