CN211045982U - Ring main unit cable chamber and ring main unit - Google Patents
Ring main unit cable chamber and ring main unit Download PDFInfo
- Publication number
- CN211045982U CN211045982U CN201922456936.6U CN201922456936U CN211045982U CN 211045982 U CN211045982 U CN 211045982U CN 201922456936 U CN201922456936 U CN 201922456936U CN 211045982 U CN211045982 U CN 211045982U
- Authority
- CN
- China
- Prior art keywords
- main unit
- side plate
- plate
- ring main
- cable chamber
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 239000003063 flame retardant Substances 0.000 claims description 21
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 20
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 8
- 239000008397 galvanized steel Substances 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Casings For Electric Apparatus (AREA)
Abstract
The utility model discloses a cable chamber of a ring main unit, which comprises a first side plate, a second side plate, a rear sealing plate and a door plate, wherein the first side plate and the second side plate are connected with the rear sealing plate at the rear side, and the first side plate and the second side plate are hinged with the door plate at the front side; a door frame is connected between the first side plate and the second side plate, and the door plate is hinged to the door frame; the edge part of the outer side of the first side plate is folded, and the edge part of the outer side of the second side plate is folded; the flanging of the first side plate and the flanging of the second side plate are used for fixedly connecting a rear sealing plate at the rear side; the first side plate, the second side plate, the rear sealing plate and the door plate are double-layer plates. The utility model discloses can improve looped netowrk cabinet's fire prevention security performance.
Description
Technical Field
The utility model relates to an electric power apparatus field, it is specific, relate to a looped netowrk cabinet cable chamber and a looped netowrk cabinet.
Background
The ring network refers to a closed ring network formed by power supply main lines formed in a power supply area in order to ensure the continuity, reliability and safety of a high-voltage and low-voltage power supply system. The ring network is more than two box-type substations, each independent box-type substation (also called combined substation) in the ring network power supply is arranged in a ring network cabinet, and the ring network power supply is factory prefabricated and indoor and outdoor very compact power distribution equipment which is formed by integrating high-voltage switch equipment, a distribution transformer and a low-voltage distribution device according to a certain wiring mode. At present, the basic structure of a box-type transformer substation has two structures, namely a high-voltage chamber, a transformer chamber and a low-voltage chamber which are arranged in a grid shape or separated in a delta shape, and the two structures are in two forms of an operation corridor or no operation corridor.
The inventor thinks that when the high-voltage chamber with the cable has an internal fault, the high-voltage chamber may be burnt through, thereby affecting the safe operation of the whole ring main unit and the ring main unit equipment.
In the prior published technical literature, chinese patent application No. CN201910973855.5 discloses a high-voltage ring main unit with an internal protection device, which adopts a ring main unit structure and a fire extinguishing device that are easy to detach, but cannot prevent burnthrough.
SUMMERY OF THE UTILITY MODEL
The not enough of fire behavior when taking place the internal failure to current looped netowrk cabinet, the utility model aims at providing a looped netowrk cabinet cable chamber and a looped netowrk cabinet adopt the fire prevention design, can improve the security performance of looped netowrk cabinet.
The utility model discloses a first purpose provides a looped netowrk cabinet cable chamber.
The second purpose of the utility model is to provide an install the looped netowrk cabinet of looped netowrk cabinet cable chamber.
In order to realize the purpose of the utility model, the utility model discloses a following technical scheme:
in a first aspect, the utility model discloses a ring main unit cable chamber, which comprises a first side plate, a second side plate, a rear sealing plate and a door plate, wherein the first side plate and the second side plate are connected with the rear sealing plate at the rear side, and the first side plate and the second side plate are hinged with the door plate at the front side; a door frame is connected between the first side plate and the second side plate, and the door plate is hinged to the door frame;
the edge part of the outer side of the first side plate is folded, and the edge part of the outer side of the second side plate is folded; the flanging of the first side plate and the flanging of the second side plate are used for fixedly connecting a rear sealing plate at the rear side;
the first side plate, the second side plate, the rear sealing plate and the door plate are double-layer plates.
Furthermore, a plurality of turn-ups have the draw-in groove structure that is used for connecting the back shrouding.
Furthermore, the rear sealing plate is rectangular, and three edges of the rear sealing plate are provided with flanging structures.
Furthermore, the first side plate, the second side plate, the rear sealing plate and the door plate are made of galvanized steel plates.
Further, the direction of the flanging of the first side plate is opposite to that of the flanging of the second side.
In a second aspect, the utility model discloses a ring main unit, which comprises a ring main unit cable chamber and a main unit body, wherein the ring main unit cable chamber is arranged at the lower part of the main unit body; when the cable chamber of the ring main unit is arranged on the main unit body, a U-shaped flame-retardant channel and a surface contact flame-retardant sealing surface are arranged on the surface of the front panel of the main unit body outside the cable chamber.
Further, a smoke detector, a temperature detector and a fire extinguishing device may be installed inside and/or outside the cabinet.
Furthermore, the cabinet body is provided with an independent interlayer for installing a cable chamber of the ring main unit.
Further, the frame is installed in the cabinet body and provided with a plurality of cross beams, the frame and the cross beams can support the cabinet body to install a plurality of independent room body modules, and the plurality of independent room body modules can be installed in the cabinet body through the frame and the cross beams; the cross beam is provided with a rail groove, and the independent chambers are connected with the cross beam in a sliding mode through the rail groove.
Furthermore, the U-shaped flame-retardant channel is a groove which is integrally arranged on the front panel in a U shape, and the surface contact flame-retardant sealing surface is a surface contact flame-retardant sealing surface.
Compared with the prior art, the utility model discloses following beneficial effect has been obtained:
1) in the utility model, the prevention capability of the cable chamber for current burnthrough under the condition of heavy current can be improved by using the double-layer plate; in the current technical framework, a ring main unit is generally manufactured by using a galvanized steel plate or a galvanized iron plate, the current intensity in the high-voltage ring main unit is generally far higher than the insulation coefficient of the galvanized steel plate or the galvanized iron plate, and when current leaks, the high-voltage ring main unit is easy to generate electric arc with the galvanized steel plate or the galvanized iron plate, so that electric melting, melting and burning-through are carried out on the galvanized steel plate or the galvanized iron plate; the double-layer board is used, and the blank layer in the middle of the double-layer board can provide enough dielectric coefficient for the board of the outer layer, so that the board of the outer layer is prevented from being burnt through; even if the outer layer plate is electrically fused because of the inner layer plate, the time that the whole cable chamber is burnt through can be delayed due to the design of the double-layer plate, so that rescue is facilitated.
2) The utility model discloses in, the fire-retardant sealed face of use face contact is consolidated the front panel to increase the ability that the electric smelting burns out of resisting of front panel.
3) The utility model discloses in, still use U type fire prevention passageway as the means that prevents that the cable chamber from burning through, U type fire prevention passageway in this embodiment can the drainage burn through the molten liquid metal to reduce the destructive power of liquid metal.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
FIG. 1 is a general structural view of embodiment 2,
figure 2 is a schematic view of the first side panel and the second side panel of embodiment 1,
figure 3 is a schematic view of the rear closure plate of example 1,
fig. 4 is a schematic view of the front panel in embodiment 2.
In the figure, 1, a first side plate, 11, a flanging of the first side plate, 2, a second side plate, 12, a flanging of the second side plate, 3, a door frame, 4, a rear sealing plate, 41, a first flanging of the rear sealing plate, 42, a second flanging of the rear sealing plate, 43, a third flanging of the rear sealing plate, 100, a front panel, 101, a U-shaped flame-retardant channel, 102, a flame-retardant sealing surface, 10, a cabinet body, 20, an upper independent chamber body, 30, a handle, 40, a display, 50 and a cable chamber.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", "third", and the like are only used for descriptive purposes and are not intended to indicate or imply relative importance.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Just as the background art, to current looped netowrk cabinet when taking place the internal fault not enough of fire-protection capabilities, the utility model aims at providing a looped netowrk cabinet cable chamber and a looped netowrk cabinet adopt the fire prevention design, can improve the security performance of looped netowrk cabinet, and it is right to combine drawing and detailed implementation now the utility model discloses further explain.
Example 1
Referring to fig. 2 and fig. 3, the embodiment discloses a ring main unit cable chamber, which includes a side plate, a rear sealing plate 4 and a door panel, wherein the side plate includes a first side plate 1 located on the left side and a second side plate 2 located on the right side, the first side plate 1 and the second side plate 2 are connected to the rear sealing plate 4 at the rear side, and the first side plate 1 and the second side plate 2 are hinged to the door panel at the front side.
It will be appreciated that the structure enclosed by the side panels, the rear closure panel 4 and the door panels is a cable compartment.
It will be appreciated that a door frame 3 is connected between the first side plate 1 and the second side plate 2.
The outdoor side of the cable chamber is flanged, specifically, the side edges of the first side plate 1 and the second side plate 2 which form the cable chamber are flanged, namely the edge part of the outer side of the first side plate 1 is turned, the edge part of the outer side of the second side plate 2 is turned, and the flanging direction of the first side plate 1 is opposite to that of the second side edge. The flanging of the first side plate 1 and the flanging of the second side plate are used for fixedly connecting a rear sealing plate 4 at the rear side.
In the embodiment, because the flanges are designed, the rear sealing plate 4 can be directly clamped on the flanges of the first side plate 1 and the second side plate 2 through the flanges,
specifically, the turn-ups in this embodiment still have the draw-in groove structure simultaneously to shrouding 4 is connected back shrouding 4 through the draw-in groove structure after being convenient for.
The cable chamber design in this embodiment is bilayer structure, and is concrete, and curb plate, back shrouding 4, cable chamber and door plant in this embodiment are bilayer structure, also promptly curb plate, back shrouding 4, cable chamber and door plant in this embodiment all adopt the preparation of double-deck board, and the middle part is hollow to the fastness of reinforcing panel. Considering that the existing ring main unit generally uses galvanized steel plates, and the galvanized steel plates are easy to burn through under the condition of large current (greater than 100A), the double-layer plate in the embodiment can obviously improve the burn-through resistance.
The cable chamber in this embodiment is designed as a single front panel 100, and occupies one front panel 100 in the ring main unit.
Referring to fig. 3, the rear sealing plate 4 in this embodiment is rectangular, and three sides of the rear sealing plate 4 have flange structures.
When the cable chamber has internal faults, the cable chamber is prevented from being burnt out when the faults occur, and personal and property safety can be well guaranteed.
Example 2
To facilitate inactivation, the cabinet 10 may be provided with a smoke detector, a temperature detector and a fire extinguishing device inside and/or outside thereof, which are known in the art and will not be described herein.
Since the cable chamber of the ring main unit described in embodiment 1 is introduced in this embodiment, the cabinet body 10 in this embodiment is provided with an independent interlayer for installing the cable chamber of the ring main unit.
It will be appreciated that the cabinet 10 mounts a frame and the frame has a plurality of cross members, the frame and cross members being capable of supporting the cabinet 10 for mounting a plurality of individual cell modules and each of the plurality of individual cell modules being capable of being mounted into the cabinet 10 by the frame and cross members.
The cabinet 10 in this embodiment is a rectangular frame, and the frame in this embodiment is a rectangular frame, and a plurality of beams are connected to the frame in a flat manner. More specifically, the cross member has rail grooves through which the plurality of independent chamber bodies are slidably coupled to the cross member.
In order to facilitate installation of the independent chamber bodies and increase the isolation degree among the independent chamber bodies, the number of the beams of the rectangular frame in the embodiment is a multiple of 2, the two beams are in a group, the height of the beams in the same group is the same, and the partition plates can be welded among the beams in the same group.
To facilitate the lead, the separator is provided with an opening for the lead.
When the ring main unit cable chamber described in embodiment 1 is installed in the main unit 10, a U-shaped flame retardant channel 101 and a surface contact flame retardant sealing surface 102 are disposed on the surface of the front panel 100 of the main unit 10 outside the main unit, the U-shaped flame retardant channel 101 is a U-shaped groove disposed on the front panel 100, and the surface contact flame retardant sealing surface 102 is a surface contact flame retardant sealing surface 102.
It will be appreciated that the U-shaped flame retardant channel 101 in this embodiment is provided on the inside of the front panel 100, and the flame retardant sealing surface 102 in this embodiment is also provided on the inside of the front panel 100, and the flame retardant sealing surface 102 in this embodiment is connected to the front panel 100 by welding or riveting or bolting.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A cable chamber of a ring main unit is characterized by comprising a first side plate, a second side plate, a rear sealing plate and a door plate, wherein the first side plate and the second side plate are connected with the rear sealing plate at the rear side, and the first side plate and the second side plate are hinged with the door plate at the front side; a door frame is connected between the first side plate and the second side plate, and the door plate is hinged to the door frame;
the edge part of the outer side of the first side plate is folded, and the edge part of the outer side of the second side plate is folded; the flanging of the first side plate and the flanging of the second side plate are used for fixedly connecting a rear sealing plate at the rear side;
the first side plate, the second side plate, the rear sealing plate and the door plate are double-layer plates.
2. The ring main unit cable chamber as claimed in claim 1, wherein a plurality of the flanges have a slot structure for connecting the rear sealing plate.
3. The ring main unit cable chamber as claimed in claim 1, wherein the rear sealing plate is rectangular, and three sides of the rear sealing plate have flange structures.
4. The ring main unit cable chamber of claim 1, wherein the first side plate, the second side plate, the rear sealing plate and the door plate are made of galvanized steel.
5. The ring main unit cable chamber of claim 1, wherein the flanges of the first side plate and the flanges of the second side plate are in opposite directions.
6. A ring main unit is characterized by comprising the ring main unit cable chamber as claimed in any one of claims 1 to 5, and further comprising a main body, wherein the ring main unit cable chamber is mounted at the lower part of the main body; when the cable chamber of the ring main unit is arranged on the main unit body, a U-shaped flame-retardant channel and a surface contact flame-retardant sealing surface are arranged on the surface of the front panel of the main unit body outside the cable chamber.
7. The ring main unit as claimed in claim 6, wherein the cabinet body is internally and/or externally provided with a smoke detector, a temperature detector and a fire extinguishing device.
8. The ring main unit as claimed in claim 6, wherein the main unit is provided with a separate partition for installing a cable chamber of the ring main unit.
9. The ring main unit as claimed in claim 6, wherein the frame is mounted in the main unit body, and the frame has a plurality of cross beams, the frame and the cross beams can support the main unit body to mount a plurality of independent room body modules, each of the plurality of independent room body modules can be mounted in the main unit body through the frame and the cross beams; the cross beam is provided with a rail groove, and the independent chambers are connected with the cross beam in a sliding mode through the rail groove.
10. The ring main unit as claimed in claim 6, wherein the U-shaped flame-retardant channel is a U-shaped groove formed in the front panel, and the surface-contact flame-retardant sealing surface is a surface-contact flame-retardant sealing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922456936.6U CN211045982U (en) | 2019-12-30 | 2019-12-30 | Ring main unit cable chamber and ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922456936.6U CN211045982U (en) | 2019-12-30 | 2019-12-30 | Ring main unit cable chamber and ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211045982U true CN211045982U (en) | 2020-07-17 |
Family
ID=71533843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922456936.6U Expired - Fee Related CN211045982U (en) | 2019-12-30 | 2019-12-30 | Ring main unit cable chamber and ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211045982U (en) |
-
2019
- 2019-12-30 CN CN201922456936.6U patent/CN211045982U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 |