CN219959809U

CN219959809U - Ring main unit

Info

Publication number: CN219959809U
Application number: CN202320986840.4U
Authority: CN
Inventors: 潘建军; 张茂剑; 黄东海; 唐邵宇; 孙建设
Original assignee: Ningbo Tianan Smart Grid Technology Co ltd
Current assignee: Ningbo Tianan Smart Grid Technology Co ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-11-03
Anticipated expiration: 2033-04-25

Abstract

The utility model discloses a ring main unit, which belongs to the technical field of power equipment and comprises a top cover, a shell, a base, a switch installation stand column and a disconnecting switch, wherein the top cover comprises a plurality of mutually spliced top plates, the shell comprises a plurality of mutually spliced side plates, the base comprises a plurality of mutually spliced bottom plates, the top of the shell is detachably connected with the top cover, the bottom of the shell is detachably connected with the base, the shell, the base and the top cover are surrounded to form a closed space, the upper end and the lower end of the switch installation stand column are detachably connected with the top cover and the base respectively, and the disconnecting switch is installed on the switch installation stand column. The anti-rust and durable isolating switch has the advantages of being convenient and fast to produce and use in workshops and flexible to install.

Description

Ring main unit

Technical Field

The utility model relates to the technical field of power equipment, in particular to a ring main unit.

Background

The existing ring main unit equipment in the current market has a plurality of varieties, and the high and low levels of products are different. All shells on four sides of the box body of the existing ring main unit adopt welded structures. The surface treatment is usually carried out after the box body is welded and formed, the problems of insufficient paint spraying, easy generation of rust and the like exist, the service life and the appearance of the product are affected, the space cannot be adjusted after welding, and the whole box body is huge after welding and inconvenient in workshop production and hoisting.

Disclosure of Invention

The utility model aims to provide a ring main unit, which is rust-proof and durable, convenient and fast in workshop production and use and flexible in isolating switch installation.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a looped netowrk case, its includes top cap, casing, base, switch installation stand and isolator, the top cap includes the roof of polylith concatenation each other, the casing includes the curb plate of polylith concatenation each other, the base includes the bottom plate of polylith concatenation each other, the top of casing with the connection can be dismantled to the top cap, the bottom of casing with the connection can be dismantled to the base, the casing the base the top cap surrounds and forms a airtight space, the upper and lower both ends of switch installation stand respectively with the top cap the connection can be dismantled to the base, isolator installs on the switch installation stand.

Preferably, the top cover comprises a first mounting bracket, the top plates are mounted on the first mounting bracket, the top of the shell is detachably connected with the first mounting bracket, the base comprises a second mounting bracket, the bottom plate is mounted below the second mounting bracket, and the bottom of the shell is detachably connected with the second mounting bracket.

Preferably, the first mounting bracket comprises a first fixed bracket body and a first movable bracket body, the first movable bracket body is movably connected with the first fixed bracket body, the top of the shell is connected with the first fixed bracket body, and the top end of the switch mounting upright post is detachably connected with the first movable bracket body; the second mounting bracket comprises a second fixing bracket body and a second movable bracket body, the second movable bracket body is movably connected with the second fixing bracket body, the bottom of the shell is connected with the second fixing bracket body, and the bottom of the switch mounting upright post is detachably connected with the second movable bracket body.

Preferably, the first movable frame body is in sliding connection with the first fixed frame body, two ends of the first movable frame body are supported and limited by the first fixed frame body, so that the first movable frame body can slide along the horizontal direction, the second movable frame body is in sliding connection with the second fixed frame body, two ends of the second movable frame body are supported and limited by the second fixed frame body, and the second movable frame body can slide along the horizontal direction.

Preferably, the first mounting bracket and the second mounting bracket are formed by connecting a plurality of support rods in a staggered manner, and the support rods are angle steel and/or channel steel; the middle part of first installing support is installed the sensor, and, a plurality of bracing pieces of first installing support circumference weld into an organic whole.

Preferably, a reinforcing upright is detachably connected between the top of the housing and the bottom of the housing.

Preferably, at least part of the reinforcing upright posts are adjacent to the switch mounting upright posts, and the reinforcing upright posts are connected with the switch mounting upright posts through fixing pieces, and the fixing pieces are arranged in a plurality and are arranged at intervals along the height direction.

As a preference, still be equipped with the baffle in the airtight space, the baffle will airtight space separates for inlet wire room and outlet wire room, isolator is located in the outlet wire room, the baffle also is formed by the concatenation of polylith panel, the roof the curb plate the panel all is equipped with the hem all around, be equipped with the mounting hole on the hem to cooperation screw assembly carries out detachable connection.

Preferably, a first sealing element is arranged between the shell and the top cover, a second sealing element is arranged between the shell and the base, and the first sealing element and the second sealing element are sponge sealing strips.

Preferably, a water collecting tank is arranged below the joint of the plurality of top plates, the water collecting tank is obliquely arranged, the plurality of top plates positioned at the outermost ring extend downwards and are inwards bent to form a water draining tank, the water draining tank is suitable for draining water to the outside of the closed space, and the tail end of the water collecting tank is arranged above the water draining tank; the top cover comprises a condensation preventing plate arranged below the top plate and a lifting ring arranged on the periphery of the top cover, wherein the condensation preventing plate is arranged in a plurality of blocks and spliced with each other, and the lifting ring is arranged in a plurality of blocks and detachably arranged.

Compared with the prior art, the utility model has the beneficial effects that: the top cap, the casing, the base three is by polylith plate body splice-forming, and the casing is connected with top cap, base detachable respectively, whole box promptly is the pin-connected panel, each plate body that constitutes the box can carry out surface treatment in advance and splice again, the rust problem that the paint spraying is not in place has been solved, and the box can be taken apart and turnover or the equipment in the case is laid out again, the problem that the equipment in the case can not be adjusted the overall arrangement has been solved the too big inconvenient turnover of box, have rust-resistant durable, workshop production changes more convenient advantage, in addition, can be applicable to the isolator of different specifications through the position control isolator of change switch installation stand, isolator's installation is more nimble.

Drawings

FIG. 1 is a schematic perspective view of a ring main unit;

FIG. 2 is a schematic diagram of the front of the ring main unit;

FIG. 3 is an exploded view of the ring main unit;

FIG. 4 is a schematic diagram of the internal structure of the ring main unit;

FIG. 5 is a schematic view of the mounting structure of the switch mounting post;

FIG. 6 is a schematic view of the structure of the base;

FIG. 7 is a schematic view of the structure of the top cover;

FIG. 8 is an enlarged schematic view of a part of the structure of FIG. 4;

in the figure: 10. a top cover; 11. a top plate; 12. a first mounting bracket; 121. a first fixing frame body; 122. a first movable frame body; 13. a water collection tank; 14. a drainage channel; 15. an anti-condensation plate; 16. a hanging ring; 20. a housing; 21. a side plate; 212. folding edges; 21a, mounting holes; 22. reinforcing the upright post; 23. a fixing member; 30. a base; 31. a bottom plate; 32. a second mounting bracket; 321. the second fixing frame body; 322. a second movable frame body; 40. a switch mounting upright post; 50. an isolating switch; 60. a sensor; 70. a partition plate; a. a closed space; a1, a wire inlet chamber; a2, an outlet chamber.

Detailed Description

The present utility model will be further described with reference to the following specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present utility model, it should be noted that, for the azimuth words such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present utility model that the device or element referred to must have a specific azimuth configuration and operation.

It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms "comprises" and "comprising," along with any variations thereof, in the description and claims, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The utility model provides a ring main unit, which comprises a top cover 10, a shell 20, a base 30, a switch installation stand column 40 and a disconnecting switch 50, wherein the top cover 10 comprises a plurality of mutually spliced top plates 11, the shell 20 comprises a plurality of mutually spliced side plates 21, the base 30 comprises a plurality of mutually spliced bottom plates 31, the top of the shell 20 is detachably connected with the top cover 10, the bottom of the shell 20 is detachably connected with the base 30, the shell 20, the base 30 and the top cover 10 are encircled to form a closed space a, the shell 20, the base 30 and the top cover 10 are respectively assembled and formed, the top plates and the top cover 10 are detachably connected with each other, the box body can be repeatedly disassembled and recombined, the plates of the box body can be subjected to surface treatment and then spliced again, the problem of rust caused by incomplete spraying paint is solved, the box body can be disassembled for turnover or the re-layout of equipment in the box body is solved, the problems of incapability of adjusting the layout of the turnover and the equipment in the box are solved, the ring main unit has the advantages of being durable in rust prevention and more convenient for workshop production and turning, when the whole size of the ring main unit needs to be adjusted, the top plates 11, 21 and the bottom plates 31 are respectively increased and deleted, the upper ends and lower ends of the switch installation stand column 40 are respectively, the base 10 and the upper ends and lower ends of the switch installation stand column 40 can be detachably connected with the base 10, the switch 50 and the disconnecting switch 50 can be flexibly adjusted, and the isolating switch 50 can be installed at the same position, and the position 50 can be adjusted, and the isolating switch 50 can be installed.

In some embodiments, the top cover 10 includes a first mounting bracket 12, the plurality of top plates 11 are mounted on the first mounting bracket 12, the top of the housing 20 is detachably connected to the first mounting bracket 12, the base 30 includes a second mounting bracket 32, the bottom plate 31 is mounted below the second mounting bracket 32, and the bottom of the housing 20 is detachably connected to the second mounting bracket 32. The first mounting bracket 12 and the second mounting bracket 32 can improve the structural strength of the whole box body, so that the structural strength of the assembled box body is good.

In some embodiments, the first mounting bracket 12 includes a first fixed frame 121 and a first movable frame 122, the first movable frame 122 is movably connected with the first fixed frame 121, the top of the housing 20 is connected with the first fixed frame 121, and the top of the switch mounting upright 40 is detachably connected with the first movable frame 122; the second mounting bracket 32 comprises a second fixing frame 321 and a second movable frame 322, the second movable frame 322 is movably connected with the second fixing frame 321, the bottom of the shell 20 is connected with the second fixing frame 321, and the bottom of the switch mounting upright 40 is detachably connected with the second movable frame 322. The isolating switch 50 is installed between the two frame bodies, and the installation structure is stable and reliable.

Specifically, the first movable frame 122 is slidably connected with the first fixed frame 121, two ends of the first movable frame 122 are supported and limited by the first fixed frame 121, so that the first movable frame 122 can slide along the horizontal direction, the second movable frame 322 is slidably connected with the second fixed frame 321, two ends of the second movable frame 322 are supported and limited by the second fixed frame 321, and the second movable frame 322 can slide along the horizontal direction. The position adjustment of the switch mounting stand 40 is achieved by sliding the two movable frames, and the structure is simple and easy to operate.

In some embodiments, the first mounting bracket 12 and the second mounting bracket 32 are formed by connecting a plurality of support rods in a staggered manner, and the plurality of support rods are detachably connected or welded to ensure structural strength, and the support rods are angle steel and/or channel steel, so that the structure is simple, the use cost is low, and the optional size is large. It can be understood that, part of the support rods form the first movable frame 122 and the second movable frame 322, and the other part of the support rods form the first fixed frame 121 and the second fixed frame 321.

In some embodiments, the sensor 60 is mounted in the middle of the first mounting bracket 12 for detecting electric charges, and considering that the sensor 60 is heavy, the plurality of support rods in the circumferential direction of the first mounting bracket 12 are welded together, as shown in fig. 7, the four support rods of the square outer frame portion of the first mounting bracket 12 are welded together, so as to strengthen the overall structural strength of the top cover 10. It can be understood that when the overall size of the ring main unit needs to be adjusted, the plurality of support rods in the circumferential direction of the first mounting bracket 12 can be replaced.

In some embodiments, a reinforcing post 22 is removably connected between the top of the housing 20 and the bottom of the housing 20. Because the housing 20 is relatively high, the reinforcing upright posts 22 are supported in the height direction of the housing 20, so that the structural strength of the housing 20 can be enhanced, the compression of the side plates 21 can be shared, and the side plates 21 are prevented from being deformed and bent.

In some embodiments, at least a portion of reinforcement post 22 is adjacent to switch mounting post 40, and reinforcement post 22 is connected to switch mounting post 40 by fasteners 23. The reinforcement columns 22 also distribute the compressive forces experienced by the switch mounting columns 40 in the height direction, making the installation of the disconnector 50 more reliable.

Further, the fixing members 23 are provided in plurality and are arranged at intervals along the height direction, so that a plurality of stress points are arranged between the reinforcing upright 22 and the switch mounting upright 40, which is beneficial to distributing pressure.

Specifically, the fixing member 23 is an L-shaped connecting member having a simple structure.

In some embodiments, a partition 70 is further disposed in the enclosed space a, the partition 70 divides the enclosed space a into an incoming line chamber a1 and an outgoing line chamber a2, the isolating switch 50 is located in the outgoing line chamber a2, and for convenience of viewing the isolating switch 50, a right inner door plate and a junction box mounted in front of the isolating switch 50 are omitted in fig. 2.

The partition 70 is formed by splicing a plurality of plates, and it can be understood that the volumes of the top cover 10, the shell 20, the base 30 and the partition 70 are all larger, and the structure of splicing a plurality of plates is adopted, so that the single plates are relatively smaller and lighter, and are convenient to carry and disassemble.

In order to facilitate the splicing of the plate bodies, the top plate 11, the side plates 21 and the plate are all provided with folded edges 212, and as shown in fig. 8, the folded edges 212 are provided with mounting holes 21a so as to be convenient for being matched with screw assemblies for detachable connection. Meanwhile, the folded edges 212 are mutually abutted, and the effect of reinforcing the structural strength of the box body can be achieved.

It is to be understood that the removable arrangement herein includes, but is not limited to, a removable connection using a screw assembly.

In some embodiments, a first sealing member is arranged between the casing 20 and the top cover 10, and a second sealing member is arranged between the casing 20 and the base 30, so that the tightness of the box body is increased, water inflow is prevented, the first sealing member and the second sealing member are sponge sealing strips, and the sealing strips are easy to process into various shapes and have low use cost.

In some embodiments, a water collecting tank 13 is arranged below the spliced position of the plurality of top plates 11, the water collecting tank 13 is obliquely arranged, the plurality of top plates 11 positioned at the outermost ring extend downwards and are inwards bent to form a water draining tank 14, the water draining tank 14 is suitable for draining water outside the closed space a, and the tail end of the water collecting tank 13 is arranged above the water draining tank 14, so that water seepage at the top cover 10 can be prevented.

Further, the top cover 10 includes anti-condensation plates 15 disposed below the top plate 11, the anti-condensation plates 15 are formed in a plurality of pieces and are spliced with each other, the volume of each of the anti-condensation plates is relatively small, and the anti-condensation plates 15 are convenient to install, and only one anti-condensation plate 15 is shown in fig. 7.

The top cover 10 further comprises a plurality of hanging rings 16 arranged on the periphery of the top cover 10, the hanging rings 16 are arranged in a plurality of detachable mode, the hanging rings 16 can be firstly installed on the top cover 10 when the top cover 10 or the box body is required to be hoisted, so that hoisting can be conveniently carried out, and after the hoisting is finished, the hanging rings 16 can be detached, and the appearance of the box body is ensured to be clean and tidy.

The foregoing has outlined the basic principles, features, and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A looped netowrk case, its characterized in that: including top cap, casing, base, switch installation stand and isolator, the top cap includes the roof of polylith concatenation each other, the casing includes the curb plate of polylith concatenation each other, the base includes the bottom plate of polylith concatenation each other, the top of casing with the top cap can dismantle the connection, the bottom of casing with the connection can be dismantled to the base, the casing the base the top cap surrounds and forms a airtight space, the upper and lower both ends of switch installation stand respectively with the top cap the base can dismantle the connection, isolator installs on the switch installation stand.

2. The ring main unit as recited in claim 1, wherein: the top cover comprises a first mounting bracket, the top plates are mounted on the first mounting bracket, the top of the shell is detachably connected with the first mounting bracket, the base comprises a second mounting bracket, the bottom plate is mounted below the second mounting bracket, and the bottom of the shell is detachably connected with the second mounting bracket.

3. The ring main unit as recited in claim 2, wherein: the first mounting bracket comprises a first fixed bracket body and a first movable bracket body, the first movable bracket body is movably connected with the first fixed bracket body, the top of the shell is connected with the first fixed bracket body, and the top of the switch mounting upright post is detachably connected with the first movable bracket body; the second mounting bracket comprises a second fixing bracket body and a second movable bracket body, the second movable bracket body is movably connected with the second fixing bracket body, the bottom of the shell is connected with the second fixing bracket body, and the bottom of the switch mounting upright post is detachably connected with the second movable bracket body.

4. A ring main unit as claimed in claim 3, wherein: the first movable frame body is in sliding connection with the first fixed frame body, the two ends of the first movable frame body are supported and limited by the first fixed frame body, so that the first movable frame body can slide along the horizontal direction, the second movable frame body is in sliding connection with the second fixed frame body, and the two ends of the second movable frame body are supported and limited by the second fixed frame body, so that the second movable frame body can slide along the horizontal direction.

5. The ring main unit as recited in claim 2, wherein: the first mounting bracket and the second mounting bracket are formed by connecting a plurality of support rods in a staggered manner, and the support rods are angle steel and/or channel steel; the middle part of first installing support is installed the sensor, and, a plurality of bracing pieces of first installing support circumference weld into an organic whole.

6. The ring main unit as recited in claim 1, wherein: a reinforcing upright post is detachably connected between the top of the shell and the bottom of the shell.

7. The ring main unit as recited in claim 6, wherein: at least part strengthen the stand with switch installation stand is adjacent, and strengthen the stand with be connected through the mounting between the switch installation stand, the mounting is established to a plurality of, and along the direction of height interval setting.

8. The ring main unit as recited in any one of claims 1-7, wherein: still be equipped with the baffle in the airtight space, the baffle will airtight space separates into inlet wire room and outlet wire room, isolator is located in the outlet wire is indoor, the baffle also is formed by the concatenation of polylith panel, the roof the curb plate the panel all is equipped with the hem all around, be equipped with the mounting hole on the hem to cooperation screw assembly can dismantle the connection.

9. The ring main unit as recited in any one of claims 1-7, wherein: the novel sealing device is characterized in that a first sealing piece is arranged between the shell and the top cover, a second sealing piece is arranged between the shell and the base, and the first sealing piece and the second sealing piece are sponge sealing strips.

10. The ring main unit as recited in any one of claims 1-7, wherein: a water collecting tank is arranged below the spliced position of the plurality of top plates, the water collecting tank is obliquely arranged, the plurality of top plates positioned on the outermost ring extend downwards and are inwards bent to form a water draining tank, the water draining tank is suitable for draining water outwards of the closed space, and the tail end of the water collecting tank is arranged above the water draining tank; the top cover comprises a condensation preventing plate arranged below the top plate and a lifting ring arranged on the periphery of the top cover, wherein the condensation preventing plate is arranged in a plurality of blocks and spliced with each other, and the lifting ring is arranged in a plurality of blocks and detachably arranged.