CN111064110B - Totally-insulated and totally-enclosed inflatable ring network switch equipment - Google Patents
Totally-insulated and totally-enclosed inflatable ring network switch equipment Download PDFInfo
- Publication number
- CN111064110B CN111064110B CN202010010118.8A CN202010010118A CN111064110B CN 111064110 B CN111064110 B CN 111064110B CN 202010010118 A CN202010010118 A CN 202010010118A CN 111064110 B CN111064110 B CN 111064110B
- Authority
- CN
- China
- Prior art keywords
- sponge layer
- fully
- cabinet body
- ring network
- insulated
- 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.)
- Active
Links
Images
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
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
-
- 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)
- Patch Boards (AREA)
Abstract
The embodiment of the invention discloses a fully-insulated fully-closed inflatable ring network switch device, which belongs to the technical field of power distribution equipment. The supporting mechanism comprises a mounting frame, elastic hinging portions and sliding blocks, the elastic hinging portions are arranged at the upper end and the lower end of the mounting frame, the elastic hinging portions at the lower end of the mounting frame are hinged to the inner wall of the side plate, the elastic hinging portions at the upper end of the mounting frame are connected with the sliding blocks, the sliding blocks are arranged in the sliding grooves in a sliding mode, and the sponge layers are fixed in the mounting frame. The rainwater collecting cabinet is ingenious in structural design, rainwater is collected, and heat dissipation of the cabinet body is achieved through the sponge layer and the supporting mechanism.
Description
Technical Field
The embodiment of the invention relates to the technical field of power distribution equipment, in particular to fully-insulated and fully-closed inflatable ring network switch equipment.
Background
The ring main unit is a group of electric equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.
Among the prior art, be provided with a plurality of electric power parts in the looped netowrk cabinet, because the degree of integrating is high, the space is narrow and small, in the use, can produce a large amount of heats, if can not scatter and disappear, then can cause conflagration scheduling problem. In order to realize heat dissipation, the existing ring main unit is only provided with a cooling fan, and the cooling effect is not ideal. Especially in summer, the rainwater can not collect and be used for cooling down the cabinet body, causes the waste of rainwater.
Therefore, how to provide a ring main unit using rainwater for cooling is a technical problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
Therefore, the embodiment of the invention provides a fully-insulated and fully-closed inflatable ring network switch device, which aims to solve the related technical problems in the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
the utility model provides a totally closed inflatable looped netowrk switchgear of full insulation, includes the cabinet body, still is including setting up curb plate, spout, supporting mechanism, sponge layer, water tank, bleeder vent and fan assembly outside the cabinet body, the curb plate is located cabinet side portion, be equipped with supporting mechanism on the curb plate inner wall, the last sponge layer that is equipped with of supporting mechanism, the sponge layer is relative with cabinet side wall, the supporting mechanism below is equipped with the water tank, the water tank is fixed on the curb plate inner wall, the bleeder vent has been seted up on the curb plate, the bleeder vent is equipped with fan assembly outward, set up the spout on the curb plate inner wall, the supporting mechanism lower extreme with the curb plate inner wall is articulated, the supporting mechanism upper end slides and locates in.
Furthermore, the supporting mechanism comprises a mounting frame, elastic hinge parts and a sliding block, the elastic hinge parts are arranged at the upper end and the lower end of the mounting frame, the elastic hinge parts at the lower end of the mounting frame are hinged to the inner wall of the side plate, the elastic hinge parts at the upper end of the mounting frame are connected with the sliding block, the sliding block is arranged in the sliding groove in a sliding mode, and the sponge layer is fixed in the mounting frame.
Further, the elastic hinging portion comprises a supporting rod, a first hinging shaft and a second hinging shaft, one end of the supporting rod is hinged to the mounting frame through the first hinging shaft, the other end of the supporting rod is hinged to the sliding block through the second hinging shaft, and torsional springs are arranged on the first hinging shaft and the second hinging shaft.
Further, the mounting frame includes frame and supporting network, be equipped with the supporting network in the frame, the sponge layer sets up in the frame, sponge layer rear end with the supporting network is pasted, sponge layer front end orientation cabinet side wall.
Further, still include rain-proof cover, filter screen and branch, cabinet body upper end middle part is equipped with vertical branch, the branch upper end is equipped with rain-proof cover, rain-proof cover edge is equipped with the filter screen, the filter screen edge with the curb plate upper end meets.
Further, the water tank further comprises an extension portion, the extension portion is arranged at the lower end of the sponge layer, the extension portion and the sponge layer are integrally formed, and the extension portion extends downwards into the water tank.
The sponge layer is provided with a plurality of through holes, and the through holes are arranged along the thickness direction of the sponge layer.
Further, the water tank also comprises an overflow pipe which is inserted in the water tank.
The embodiment of the invention has the following advantages:
the rainwater falls onto the sponge layer under the guiding action of the rain cover, the elastic hinge part at the lower end of the supporting mechanism is driven by the sponge layer under the action of gravity to bend, so that the sponge layer is attached to the outer wall of the cabinet body, the sponge layer and the cabinet body exchange heat, the heat of the cabinet body can be taken away by water evaporation in the sponge layer, and the sponge layer is matched with the fan assembly for use, so that the collected rainwater can be utilized to cool the cabinet body; meanwhile, the sponge layer is far away from the side plate in use, the falling rainwater can fall into the water tank and be collected, and the extension part arranged at the lower end of the sponge layer can be always immersed in the water tank, so that the water tank is ensured to continuously provide cooling water for the sponge layer; after the rainwater in the water tank has evaporated, the weight on sponge layer alleviates, and under the resilience force effect of elastic hinge portion, supporting mechanism can drive the sponge layer and kick-back to initial position to make the sponge layer can not influence the continuous heat dissipation work of the cabinet body. The rainwater collecting cabinet is ingenious in structural design, rainwater is collected, and heat dissipation of the cabinet body is achieved through the sponge layer and the supporting mechanism.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a schematic structural view of an all-insulated, totally-enclosed, inflatable ring network switchgear according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A according to an embodiment of the present invention;
FIG. 3 is a partial cross-sectional view taken at B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a partial cross-sectional view at C of FIG. 1 according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a mounting frame in a fully insulated and fully closed inflatable ring network switchgear according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a sponge layer in a fully insulated and fully closed inflatable ring network switchgear according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a use state of a fully insulated and fully closed inflatable ring network switchgear according to an embodiment of the present invention;
in the figure:
1, a cabinet body; 2, side plates; 3, a chute; 4, a supporting mechanism; 41 installing a frame; a 411 frame; 412 support the mesh; 42 an elastic hinge portion; 421 a support rod; 422 a first hinge shaft; 423 second articulated shaft; 43 a slide block; 5, a sponge layer; 6, a water tank; 7, air holes; 8 a fan assembly; 9, rain cover; 10, filtering a screen; 11, a support rod; 12 an extension portion; 13, a leak hole; 14 overflow pipe.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the related technical problems in the prior art, the embodiment of the present application provides a fully insulated and fully enclosed inflatable ring network switchgear, which includes a cabinet body 1, as shown in fig. 1 to 7, and further includes a side plate 2, a chute 3, a supporting mechanism 4, a sponge layer 5, a water tank 6, an air vent 7, and a fan assembly 8, which are disposed outside the cabinet body 1. The side plates 2 are arranged on the side portions of the cabinet body 1, in this embodiment, two side plates 2 are arranged, and are respectively arranged on two sides of the cabinet body 1. The improved cabinet is characterized in that a supporting mechanism 4 is arranged on the inner wall of the side plate 2, a sponge layer 5 is arranged on the supporting mechanism 4, the sponge layer 5 is fixed on the supporting mechanism 4, the sponge layer 5 is opposite to the side wall of the cabinet body 1, when the improved cabinet is used, the sponge layer 5 with water can be connected with the outer wall of the cabinet body 1, and the cabinet body 1 is cooled along with the evaporation of water in the sponge layer 5. A water tank 6 is arranged below the supporting mechanism 4, and the water tank 6 is used for receiving rainwater. The water tank 6 is fixed on the 2 inner walls of curb plate, bleeder vent 7 has been seted up on the curb plate 2, fan assembly 8 has been equipped with to bleeder vent 7 outward, when using, uses fan assembly 8 and 5 combinations of sponge layer, accelerates the evaporation rate of water in the sponge layer 5, will improve the cooling effect greatly. The inner wall of the side plate 2 is provided with a sliding groove 3, the sliding groove 3 is a vertically arranged sliding groove 3 structure, the lower end of the supporting mechanism 4 is hinged to the inner wall of the side plate 2 to fix the position of the supporting mechanism 4, and the upper end of the supporting mechanism 4 is slidably arranged in the sliding groove 3. Therefore, after the water body is adsorbed in the sponge layer 5, the supporting mechanism 4 deforms under the action of gravity of the sponge layer 5, and the sponge layer 5 is driven to move towards the outer wall of the cabinet body 1 and finally connected.
In order to realize the technical effect that sponge layer 5 moves towards cabinet body 1 outer wall behind the absorption rainwater. Specifically, the supporting mechanism 4 includes an installation frame 41, elastic hinge portions 42 and a sliding block 43, the upper and lower ends of the installation frame 41 are respectively provided with the elastic hinge portions 42, the two elastic hinge portions 42 have substantially the same structure, specifically, when the installation is performed, the elastic hinge portion 42 at the lower end of the installation frame 41 is hinged to the inner wall of the side plate 2, the elastic hinge portion 42 at the upper end of the installation frame 41 is connected to the sliding block 43, the sliding block 43 is slidably disposed in the sliding groove 3, and the sponge layer 5 is fixed in the installation frame 41.
Further, the elastic hinge portion 42 includes a support rod 421, a first hinge shaft 422 and a second hinge shaft 423, one end of the support rod 421 is hinged to the mounting frame 41 through the first hinge shaft 422, the other end of the support rod 421 is hinged to the slider 43 through the second hinge shaft 423, and torsion springs (not shown in the figure) are respectively disposed on the first hinge shaft 422 and the second hinge shaft 423.
Based on the above structure, in the initial state, the sponge layer 5 does not absorb water, the weight of the sponge layer 5 is light, the mounting frame 41 and the elastic hinge parts 42 at the upper and lower ends thereof are basically in the vertical parallel state, and the mounting frame 41 is close to the side plate 2; when raining, rainwater falls and firstly falls on the sponge layer 5, the weight of the sponge layer 5 is continuously increased along with the continuous falling of the rainwater, the downward weight of the sponge layer 5 extrudes the elastic hinge part 42, so that the support rod 421 on the elastic hinge part 42 arranged at the lower end rotates around the first hinge shaft 422, and the support rod 421 rotates around the second hinge shaft 423 relative to the mounting frame 41; meanwhile, the support rod 421 on the elastic hinge portion 42 disposed at the upper end also rotates around the first hinge shaft 422, the support rod 421 rotates around the second hinge shaft 423 relative to the mounting frame 41, and simultaneously the first hinge shaft 422 drives the slider 43 to slide downward along the sliding chute 3. At this moment, the inclination of bracing piece 421 changes, is supporting installing frame 41 and is keeping away from curb plate 2 gradually, and sponge layer 5 on the installing frame 41 is close to 1 outer wall of the cabinet body, and after sponge layer 5 and the cabinet body 1 contacted, the heat of taking away the cabinet body 1 was lost in the evaporation of the water in it.
In this embodiment, the sponge layer 5 is constructed to be stable. The mounting frame 41 comprises a frame 411 and a supporting net 412, the supporting net 412 is arranged in the frame 411, the sponge layer 5 is arranged in the frame 411, the rear end of the sponge layer 5 is adhered to the supporting net 412, and the front end of the sponge layer 5 faces the side wall of the cabinet body 1. The outer edge of the sponge layer 5 is fixedly connected with the inner edge of the frame 411, so that the sponge layer 5 is prevented from deforming, the supporting net 412 can support and fix the sponge layer 5, and meanwhile, the fan assembly 8 blows air towards the sponge layer 5, so that the air can pass through the supporting net 412 and blow the sponge layer 5.
In order to realize the concentrated collection of sheltering from and the rainwater of the cabinet body 1, in this embodiment, further, still include rain-proof cover 9, filter screen 10 and branch 11, cabinet body 1 upper end middle part is equipped with vertical branch 11, branch 11 upper ends are equipped with rain-proof cover 9, and this rain-proof cover 9 is the arc cover structure, rain-proof cover 9 edge is equipped with filter screen 10, filter screen 10 edge with 2 upper ends of curb plate meet. The filter screen 10 can filter impurities in the rainwater, and reduce the impurities entering the water tank 6.
In use, because the rainwater is at first fallen on the sponge layer 5 to along with the increase of the weight of sponge layer 5, move downwards and towards 1 outer wall of the cabinet body, thereby move aside the original space that shelters from on sponge layer 5, the rainwater falls the in-process again, will drop to water tank 6 downwards, and the rainwater obtains collecting, makes things convenient for follow-up use.
In order to utilize rainwater in the water tank 6, in this embodiment, the rainwater drainage device further includes an extension portion 12, the extension portion 12 is disposed at a lower end of the sponge layer 5, the extension portion 12 and the sponge layer 5 are integrally formed, so that the extension portion 12 and the sponge layer 5 are made of the same material, and the extension portion 12 extends downward into the water tank 6. Therefore, when in use, the sponge layer 5 can continuously absorb rainwater through the extension part 12 for the heat dissipation requirement of the cabinet body 1 until the water body in the water tank 6 is used up.
In order to achieve a better heat dissipation effect, the heat dissipation structure further comprises a plurality of leakage holes 13, the sponge layer 5 is provided with the plurality of leakage holes 13, and the leakage holes 13 are arranged along the thickness direction of the sponge layer 5. When the fan assembly 8 is used, the fan assembly can enter the sponge layer 5 through the leakage hole 13, so that heat dissipation is accelerated; meanwhile, the water in the sponge layer 5 can be dissipated outwards through the leakage holes 13 in evaporation and heat dissipation, so that the heat dissipation and cooling effects are improved.
In order to prevent the cabinet 1 from being affected after the water tank 6 is full, the cabinet further comprises an overflow pipe 14, and the overflow pipe 14 is inserted into the water tank 6. When the water in the water tank 6 reaches a certain height, the water overflows outward through the overflow pipe 14.
The rainwater falls onto the sponge layer 5 under the guiding action of the rain cover 9, the sponge layer 5 drives the elastic hinge part 42 at the lower end of the supporting mechanism 4 to bend under the action of gravity, so that the sponge layer 5 is attached to the outer wall of the cabinet body 1, the sponge layer 5 and the cabinet body 1 exchange heat, the heat of the cabinet body 1 can be taken away by moisture evaporation in the sponge layer 5, and the sponge layer is matched with the fan assembly 8 for use, so that the collected rainwater can be used for cooling the cabinet body 1; meanwhile, the sponge layer 5 is far away from the side plate 2 in use, the falling rainwater can fall into the water tank 6 and be collected, and the extension part 12 arranged at the lower end of the sponge layer 5 can be soaked in the water tank 6 all the time, so that the water tank 6 is ensured to continuously provide cooling water for the sponge layer 5; after the rainwater in the water tank 6 has been evaporated, the weight of the sponge layer 5 is reduced, and under the effect of the resilience force of the elastic hinge part 42, the supporting mechanism 4 can drive the sponge layer 5 to rebound to the initial position, so that the sponge layer 5 does not influence the continuous heat dissipation work of the cabinet body 1. The rainwater collecting cabinet is ingenious in structural design, rainwater is collected, and heat dissipation of the cabinet body 1 is achieved through the sponge layer 5 and the supporting mechanism 4.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (6)
1. A fully-insulated totally-enclosed inflatable ring network switch device comprises a cabinet body and is characterized by further comprising a side plate, a sliding groove, a supporting mechanism, a sponge layer, a water tank, air holes and a fan assembly, wherein the side plate is arranged outside the cabinet body;
the supporting mechanism comprises an installation frame, elastic hinge parts and a sliding block, the upper end and the lower end of the installation frame are respectively provided with the elastic hinge parts, the elastic hinge parts at the lower end of the installation frame are hinged with the inner wall of the side plate, the elastic hinge parts at the upper end of the installation frame are connected with the sliding block, the sliding block is arranged in the sliding groove in a sliding manner, and the sponge layer is fixed in the installation frame;
the elastic hinging part comprises a supporting rod, a first hinging shaft and a second hinging shaft, one end of the supporting rod is hinged to the mounting frame through the first hinging shaft, the other end of the supporting rod is hinged to the sliding block through the second hinging shaft, and torsional springs are arranged on the first hinging shaft and the second hinging shaft.
2. The fully insulated, fully enclosed, inflatable looped network switchgear of claim 1, wherein said mounting frame comprises a frame and a supporting net, said frame having said supporting net therein, said sponge layer disposed within said frame, said sponge layer having its rear end adhered to said supporting net, said sponge layer front end facing said cabinet sidewall.
3. The fully insulated, fully enclosed, inflatable ring network switchgear as claimed in claim 2, further comprising a rain cover, a filtering net and a supporting rod, wherein the supporting rod is vertically arranged in the middle of the upper end of the cabinet body, the rain cover is arranged on the upper end of the supporting rod, the filtering net is arranged on the edge of the rain cover, and the edge of the filtering net is connected with the upper end of the side plate.
4. The fully insulated, fully enclosed, inflatable ring network switchgear as claimed in claim 3, further comprising an extension, said extension being located at a lower end of said sponge layer, said extension being integrally formed with said sponge layer, and said extension extending downward into said water tank.
5. The fully insulated and fully enclosed inflatable ring network switchgear as claimed in claim 4, further comprising a plurality of weep holes provided on the sponge layer, the weep holes being provided along the thickness direction of the sponge layer.
6. The fully insulated, fully enclosed, inflatable ring network switchgear of claim 5, further comprising an overflow pipe, said overflow pipe being inserted in said water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010010118.8A CN111064110B (en) | 2020-01-06 | 2020-01-06 | Totally-insulated and totally-enclosed inflatable ring network switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010010118.8A CN111064110B (en) | 2020-01-06 | 2020-01-06 | Totally-insulated and totally-enclosed inflatable ring network switch equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111064110A CN111064110A (en) | 2020-04-24 |
| CN111064110B true CN111064110B (en) | 2021-02-02 |
Family
ID=70306418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010010118.8A Active CN111064110B (en) | 2020-01-06 | 2020-01-06 | Totally-insulated and totally-enclosed inflatable ring network switch equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111064110B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112928663B (en) * | 2021-02-08 | 2022-09-23 | 国网吉林省电力有限公司通化供电公司 | Automatic heat dissipation switch board of accuse temperature |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329353A (en) * | 2016-10-07 | 2017-01-11 | 王杨 | Cooling power insulation shell |
| CN207409846U (en) * | 2017-11-21 | 2018-05-25 | 咸宁职业技术学院 | A kind of electric automatization power distribution cabinet |
| CN208079615U (en) * | 2018-01-19 | 2018-11-09 | 广州市鸿昕金属制品有限公司 | A kind of high-efficient heat-dissipating data center server cabinet |
| CN108109814B (en) * | 2018-01-24 | 2019-12-27 | 江苏瑞恩电气股份有限公司 | Cooling structure of dry-type transformer |
| CN108832516A (en) * | 2018-07-25 | 2018-11-16 | 合肥烨泰科技有限公司 | A kind of power distribution cabinet with high efficiency and heat radiation |
| CN209592775U (en) * | 2019-04-28 | 2019-11-05 | 武汉晴川学院 | A kind of dust-protection type inflatable power distribution cabinet |
-
2020
- 2020-01-06 CN CN202010010118.8A patent/CN111064110B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111064110A (en) | 2020-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215872532U (en) | Protective device of electrical equipment | |
| CN111064110B (en) | Totally-insulated and totally-enclosed inflatable ring network switch equipment | |
| CN211508356U (en) | High-efficient heat dissipation case becomes low-voltage board | |
| CN114400551B (en) | SF6 gas all-insulation ring main unit with excellent heat dissipation performance and use method | |
| CN110080416B (en) | Heat-preservation ventilation wall structure of building room | |
| CN211958525U (en) | Wind-powered electricity generation case becomes protection device | |
| CN112821257B (en) | Outdoor power distribution cabinet | |
| CN113451927B (en) | Multidirectional heat dissipation formula view transformer substation | |
| CN216087209U (en) | A outdoor signal case for construction of 5G basic station | |
| CN212304227U (en) | Intelligent temperature control cabinet applicable to rainy, snowy and electric weather | |
| CN208241164U (en) | A kind of intelligent ring main unit | |
| CN208890167U (en) | Outdoor box switching station | |
| CN207588227U (en) | A kind of gas-insulated lines novel distribution cabinet | |
| CN214227384U (en) | Rainproof heat dissipation box-type substation | |
| CN212485941U (en) | Compact intelligent prefabricated substation | |
| CN218275645U (en) | Outdoor rainproof and ventilating distribution box | |
| CN214543205U (en) | Ring main unit with ventilation and heat dissipation structure | |
| CN219833509U (en) | Preassembled metal closed ring main unit | |
| CN211239011U (en) | Environment-friendly intelligent all-insulated ring main unit | |
| CN114094461B (en) | Outdoor distribution cabinet group | |
| CN213071847U (en) | Temperature and humidity control device for electric room | |
| CN217545388U (en) | Outdoor high-voltage ring main unit | |
| CN218265585U (en) | Low-rise building corridor lighting structure | |
| CN215645585U (en) | Outdoor control cabinet | |
| CN209929716U (en) | Waterproof outdoor closed ring main unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |