CN219917933U - Centrally-installed switchgear - Google Patents
Centrally-installed switchgear Download PDFInfo
- Publication number
- CN219917933U CN219917933U CN202321146376.4U CN202321146376U CN219917933U CN 219917933 U CN219917933 U CN 219917933U CN 202321146376 U CN202321146376 U CN 202321146376U CN 219917933 U CN219917933 U CN 219917933U
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- CN
- China
- Prior art keywords
- installed switchgear
- centrally installed
- bushing
- centrally
- cabinet
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- 230000000149 penetrating effect Effects 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The embodiment of the utility model provides a centrally installed switchgear, and relates to the technical field of centrally installed switchgear. This put cabinet in including putting cabinet body and a plurality of sleeve pipe in, a plurality of sleeve pipes set up in the top of putting cabinet body, the sleeve pipe is equipped with three through-hole, and three through-hole all is used for wearing to establish the conducting bar, wherein, a plurality of sleeve pipes dislocation distribution to increase the center distance between the adjacent sleeve pipe, owing to a plurality of sleeve pipes dislocation distribution, increased the center distance between the adjacent sleeve pipe, and then can set up the sleeve pipe that has three through-hole, promptly, can conveniently select the sleeve pipe of three rows of conducting bars, increased the biggest rated current of putting cabinet top outgoing lines.
Description
Technical Field
The utility model relates to the technical field of centrally installed switchgear, in particular to a centrally installed switchgear.
Background
The centrally installed switchgear is all called metal armoured centrally installed removable switchgear. The indoor complete set of power distribution device belongs to a high-voltage power distribution device, and the highest working voltage is 3.6/7.2/12kV, and is a three-phase alternating current 50Hz single bus segment system or double bus segment system. The power circuit is used for receiving and distributing network power of 3.6-12kV and performing control protection, monitoring and measurement on the power circuit.
The centrally-mounted switch cabinet is mainly used for power transmission of power plants, power transmission of small and medium-sized generators, power reception and transmission of secondary substation of power system, power distribution of industrial and mining enterprises and institutions, starting of large-sized high-voltage motors and the like.
In the prior art, a plurality of wall bushings at the top of the centrally installed switchgear are arranged in a straight line, the maximum width of copper bars of the wall bushings in the mode is only 80MM, and the copper bars are double-row copper bars, so that the maximum rated current of the top outgoing line mode of the centrally installed switchgear can only be 1600A, and the outgoing line requirement of the rated current larger than 1600A cannot be met.
Disclosure of Invention
The utility model provides a centrally installed switchgear, which can improve the maximum rated current of outgoing lines at the top of the centrally installed switchgear.
Embodiments of the utility model may be implemented as follows:
the utility model provides a centrally installed switchgear, comprising:
a centrally installed cabinet body; and
the sleeves are arranged at the top of the centrally installed switchgear body and are provided with three through holes, and the three through holes are used for penetrating the conducting bars;
wherein the plurality of sleeves are staggered to increase the center-to-center spacing between adjacent sleeves.
In an alternative embodiment, each of the three through holes is provided with one of the conductive bars.
In an alternative embodiment, the width of the conductive bars is 120mm.
In an alternative embodiment, the number of the sleeves is three, and three sleeves are distributed in a staggered manner.
In an alternative embodiment, the three sleeves are a first sleeve, a second sleeve and a third sleeve, respectively, a center distance between the first sleeve and the second sleeve is a first distance, a center distance between the second sleeve and the third sleeve is a second distance, and the first distance is greater than the second distance.
In an alternative embodiment, the three sleeves are a first sleeve, a second sleeve and a third sleeve, respectively, the centerline of the first sleeve being parallel to the centerline of the second sleeve, and the centerline of the second sleeve being parallel to the centerline of the third sleeve.
In an alternative embodiment, the centrally installed switchgear further comprises a back cabinet, the back cabinet is arranged on the side wall of the centrally installed switchgear body, the centrally installed switchgear body is provided with a cable chamber, and the cable chamber is communicated with the outside through the back cabinet.
In an alternative embodiment, the back cabinet is a rectangular housing.
In an alternative embodiment, the back cabinet is located on the upper side of the cable chamber.
In an alternative embodiment, the back cabinet is convexly arranged on the side wall of the centrally installed switchgear body.
The centrally installed switchgear provided by the embodiment of the utility model has the beneficial effects that:
the utility model provides a centrally-installed switchgear, which comprises a centrally-installed switchgear body and a plurality of sleeves, wherein the sleeves are arranged at the top of the centrally-installed switchgear body and are provided with three through holes, and the three through holes are used for penetrating through conducting bars, wherein the sleeves are distributed in a staggered manner so as to increase the center distance between adjacent sleeves, and the center distance between the adjacent sleeves is increased due to the staggered distribution of the sleeves, so that the sleeves with the three through holes can be arranged, namely, the sleeves with the three conducting bars can be used, and the maximum rated current of outgoing lines at the top of the centrally-installed switchgear is increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic distribution diagram of a top wall bushing of a centrally installed switchgear in the prior art;
fig. 2 is a schematic diagram of a mid-tank cabinet in the prior art;
fig. 3 is a schematic distribution diagram of a top wall bushing of a centrally installed switchgear according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of a centrally installed switchgear provided in an embodiment of the present utility model.
Icon: 100-a centrally installed switchgear body; 101-a busbar chamber; 102-a cable chamber; 200-sleeve; 201-a through hole; 202-conducting bars; 210-a first sleeve; 220-a second sleeve; 230-a third sleeve; 300-back cabinet; a-a center line; 10-wall bushing; 20-a centrally installed switchgear shell.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
It should be noted that the features of the embodiments of the present utility model may be combined with each other without conflict.
As mentioned in the background, the mid-tank is referred to collectively as a metal-clad mid-tank mobile switching equipment. The indoor complete set of power distribution device belongs to a high-voltage power distribution device, and the highest working voltage is 3.6/7.2/12kV, and is a three-phase alternating current 50Hz single bus segment system or double bus segment system. The power circuit is used for receiving and distributing network power of 3.6-12kV and performing control protection, monitoring and measurement on the power circuit.
The centrally installed switchgear is cabinet equipment for controlling electrical equipment, and mainly comprises electrical elements such as cables, circuit breakers, change-over switches and the like.
The middle cabinet is of a three-layer structure, the upper layer is a bus and an instrument room (isolated from each other), the middle layer is a breaker room, and the lower layer is a cable room. Because the circuit breaker is arranged in the middle layer, the circuit breaker is called an armored movable middle-mounted metal-enclosed switchgear, and is called a middle-mounted cabinet for short.
The centrally-mounted switch cabinet is mainly used for power transmission of power plants, power transmission of small and medium-sized generators, power reception and transmission of secondary substation of power system, power distribution of industrial and mining enterprises and institutions, starting of large-sized high-voltage motors and the like.
In the prior art, a plurality of wall bushings 10 at the top of the centrally installed switchgear are arranged in a straight line, as shown in fig. 1, fig. 1 is a schematic distribution diagram of the wall bushings 10 at the top of the centrally installed switchgear in the prior art, three wall bushings 10 are installed at the top of the centrally installed switchgear housing 20, and three wall bushings 10 are located on the same straight line.
That is, the central lines of the three wall bushings 10 are collinear, and the top space of the cabinet housing is limited, so that the maximum copper bar width of the wall bushing 10 is only 80MM, and is double-row copper bars, and the maximum rated current of the top wire outgoing mode of the middle cabinet can only be 1600A (for example, the middle cabinet in KYN 28), and the wire outgoing requirement of the rated current greater than 1600A cannot be met.
In view of this, please refer to fig. 3 and 4, the centrally installed switchgear provided in the embodiment of the present utility model can solve this problem, and will be described in detail below.
The utility model provides a centrally-mounted cabinet, which comprises a centrally-mounted cabinet body 100 and a plurality of sleeves 200, wherein the sleeves 200 are arranged at the top of the centrally-mounted cabinet body 100, the sleeves 200 are provided with three through holes 201, the three through holes 201 are used for penetrating conductive bars 202, and in the embodiment, the three through holes 201 are the same in size.
The plurality of bushings 200 are staggered to increase the center-to-center distance between the adjacent bushings 200, and because the plurality of bushings 200 are staggered to increase the center-to-center distance between the adjacent bushings 200, the bushings 200 with three through holes 201 can be further arranged, that is, the bushings 200 with three rows of conductive bars 202 can be used, and the maximum rated current of the top outgoing line of the centrally installed switchgear is increased.
The bushing 200 in this embodiment can be understood as a wall bushing.
The relative positions in fig. 4 are explained, and the up-down, left-right, front-back directions shown in fig. 4 can be understood as relative positions in fig. 4, or relative positional relationships in which the product is placed conventionally.
Specifically, the number of the sleeves 200 is three, the three sleeves 200 are distributed in a staggered manner, the three sleeves 200 are arranged at the upper part of the shell of the centrally installed switchgear body 100, the three through holes 201 are respectively provided with one conductive row 202 in a penetrating manner, that is, each sleeve is provided with three conductive rows 202 in a penetrating manner, and the top of the centrally installed switchgear can be provided with nine conductive rows 202 in a penetrating manner.
In this embodiment, the conductive bar 202 is a copper bar, and in order to increase the maximum rated current of the outgoing line, the width of the conductive bar 202 is 120mm.
As shown in fig. 3, the three bushings 200 are a first bushing 210, a second bushing 220, and a third bushing 230, respectively, from left to right, a center distance between the first bushing 210 and the second bushing 220 is a first distance, and a center distance between the second bushing 220 and the third bushing 230 is a second distance, the first distance being greater than the second distance.
Of course, in other embodiments, the first distance may be smaller than the second distance, or the first distance may be equal to the second distance, which may be adjusted according to a specific use environment, which is not limited herein.
It should be noted that, in the present embodiment, the dislocation distribution is understood that the center line a of the first sleeve 210 is parallel to the center line a of the second sleeve 220, and the center line a of the second sleeve 220 is parallel to the center line a of the third sleeve 230.
It can be seen that, due to the staggered distribution of the three bushings 200, the center-to-center distance between the adjacent bushings 200 is increased, so that the bushings 200 with larger sizes can be arranged, more copper bars can be penetrated, and the maximum rated current at the top of the centrally installed switchgear is realized.
In this embodiment, the maximum rated current at the top of the mid-cabinet may reach a maximum of 4000A.
Please refer to fig. 2 and fig. 4, wherein fig. 2 is a structure of a centrally installed switchgear in the prior art, fig. 4 is a structure of a centrally installed switchgear provided in the present embodiment, and arrow directions in fig. 2 and fig. 4 represent pressure release directions when a cable chamber 102 fails.
Because of the staggered distribution of the three bushings 200, the space of the bus-bar chamber 101 is further enlarged, and the pressure relief channel of the centrally installed switchgear in the prior art is occupied.
Therefore, in this embodiment, the centrally installed switchgear further includes a back cabinet 300, the back cabinet 300 is disposed on a side wall of the centrally installed switchgear body 100, the back cabinet 300 is a rectangular housing, specifically, the back cabinet 300 is convexly disposed on a left side wall of the centrally installed switchgear body 100, and the back cabinet 300 is located on an upper side of the cable chamber 102.
The centrally installed switchgear cabinet body 100 is provided with a cable chamber 102, the cable chamber 102 is communicated with the outside through a back cabinet 300, after the back cabinet 300 is arranged, the space of the bus chamber 101 can be conveniently enlarged, the size of the bus chamber 101 is deepened, and it is easy to understand that the back cabinet 300 can be used as a pressure relief channel of the cable chamber 102 of the centrally installed switchgear.
To sum up, this put cabinet in including putting cabinet body 100 and a plurality of sleeve pipe 200 in, a plurality of sleeve pipes 200 set up at the top of putting cabinet body 100 in, sleeve pipe 200 is equipped with three through-hole 201, and three through-hole 201 all are used for wearing to establish the conducting bar 202, and wherein, a plurality of sleeve pipes 200 dislocation distributes to increase the center to center interval between the adjacent sleeve pipe 200.
Compared with the centrally installed switchgear in the prior art, because the sleeves 200 are distributed in a staggered manner, the center-to-center distance between the adjacent sleeves 200 is increased, and then the sleeve 200 with three through holes 201 can be arranged, namely, the sleeve 200 with three rows of conducting bars 202 can be conveniently selected, and the maximum rated current of the outgoing line at the top of the centrally installed switchgear is increased.
Meanwhile, as the three sleeves 200 are distributed in a staggered manner, the space of the bus room 101 is required to be further enlarged, and the space can occupy the pressure release channel of the centrally installed switchgear in the prior art, the centrally installed switchgear is provided with the back cabinet 300, the back cabinet 300 is convexly arranged on the left side wall of the centrally installed switchgear body 100, and the back cabinet 300 is positioned on the upper side of the cable room 102.
The centrally installed switchgear body 100 is provided with a cable chamber 102, the cable chamber 102 is communicated with the outside through a back cabinet 300, and after the back cabinet 300 is arranged, the space of the bus chamber 101 can be conveniently enlarged, and the size of the bus chamber 101 is deepened, that is, the back cabinet 300 can be used as a pressure relief channel of the cable chamber 102 of the centrally installed switchgear.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (10)
1. In put cabinet, its characterized in that includes:
a centrally installed switchgear cabinet body (100); and
the plurality of sleeves (200), the plurality of sleeves (200) are arranged at the top of the centrally installed switchgear body (100), the sleeves (200) are provided with three through holes (201), and the three through holes (201) are all used for penetrating through the conducting bars (202);
wherein the plurality of bushings (200) are offset in order to increase the center-to-center spacing between adjacent bushings (200).
2. The centrally installed switchgear according to claim 1, characterized in that said three through holes (201) are each perforated with one of said conductive bars (202).
3. The centrally installed switchgear according to claim 1, characterized in that the width of the conductor bars (202) is 120mm.
4. The centrally installed switchgear according to claim 1, characterized in that the number of said bushings (200) is three, three of said bushings (200) being staggered.
5. The centrally installed switchgear of claim 4, wherein three of said bushings (200) are a first bushing (210), a second bushing (220), and a third bushing (230), respectively, a center distance between said first bushing (210) and said second bushing (220) being a first distance, a center distance between said second bushing (220) and said third bushing (230) being a second distance, said first distance being greater than said second distance.
6. The centrally installed switchgear according to claim 4, wherein three of the bushings (200) are a first bushing (210), a second bushing (220) and a third bushing (230), respectively, the centerline of the first bushing (210) is parallel to the centerline of the second bushing (220), and the centerline of the second bushing (220) is parallel to the centerline of the third bushing (230).
7. The centrally installed switchgear according to claim 1, further comprising a back cabinet (300), wherein the back cabinet (300) is disposed on a side wall of the centrally installed switchgear body (100), the centrally installed switchgear body (100) is provided with a cable chamber (102), and the cable chamber (102) is communicated with the outside through the back cabinet (300).
8. The centrally installed switchgear of claim 7 wherein said back cabinet (300) is a rectangular housing.
9. The centrally located cabinet of claim 7, wherein the back cabinet (300) is located on an upper side of the cable chamber (102).
10. The centrally installed switchgear of claim 7, wherein said back cabinet (300) is convexly disposed on a side wall of said centrally installed switchgear body (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321146376.4U CN219917933U (en) | 2023-05-10 | 2023-05-10 | Centrally-installed switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321146376.4U CN219917933U (en) | 2023-05-10 | 2023-05-10 | Centrally-installed switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219917933U true CN219917933U (en) | 2023-10-27 |
Family
ID=88439006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321146376.4U Active CN219917933U (en) | 2023-05-10 | 2023-05-10 | Centrally-installed switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219917933U (en) |
-
2023
- 2023-05-10 CN CN202321146376.4U patent/CN219917933U/en active Active
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