CN220874052U - Cable chamber for ring main unit and ring main unit - Google Patents
Cable chamber for ring main unit and ring main unit Download PDFInfo
- Publication number
- CN220874052U CN220874052U CN202322410962.1U CN202322410962U CN220874052U CN 220874052 U CN220874052 U CN 220874052U CN 202322410962 U CN202322410962 U CN 202322410962U CN 220874052 U CN220874052 U CN 220874052U
- Authority
- CN
- China
- Prior art keywords
- door
- cabinet body
- cable
- main unit
- 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.)
- Active
Links
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003063 flame retardant Substances 0.000 description 4
- 239000003351 stiffener Substances 0.000 description 4
- 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 description 3
- 230000009977 dual effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Patch Boards (AREA)
Abstract
The utility model relates to a cable chamber for a ring main unit and the ring main unit, comprising a cabinet body with an opening and a cable chamber door arranged at the opening of the cabinet body, wherein the cable chamber door comprises a door, and the edge of the door plate extends towards the direction of the cabinet body to form a door frame; the door frame comprises an upper door frame positioned at the upper part of the door plate and a lower door frame positioned at the lower part of the door plate; the bottom of the opening of the cabinet body extends upwards to form a lower frame body; the lower door frame comprises a lock matched with the lower frame body; the clamping lock comprises a fastener, wherein the fastener is clamped with the lower frame body, and the bottom of the fastener is lower than the top of the lower frame body; a limiting plate is arranged at the top of the cabinet body; the vertical distance between the top of the upper door frame and the bottom of the limiting plate is larger than the vertical distance between the bottom of the fastener and the top of the lower frame. Compared with the prior art, the utility model has good fastening effect.
Description
Technical Field
The utility model relates to the technical field of force distribution equipment, in particular to a cable chamber for a ring main unit and the ring main unit.
Background
When arcing faults occur, the switching device can instantaneously generate extremely high temperature and pressure. If the structure and strength of the switch device do not meet the arcing requirement, the structure is destroyed when arcing faults occur, high-temperature and high-pressure gas and splashes are sprayed out, and the surrounding devices and personnel are greatly damaged. The 12-40.5kV is used for the cable room inside of the ring main unit to be connected with a high-voltage cable, and in order to meet the standard and the functional requirements of products, the cable room door is required to meet the following functions after being installed:
1) Protection grade: the external protection level of the cable room reaches IP4X;
2) Arc-resistance: when the cable chamber has arcing fault, the cable chamber has arcing resistance: the door is not damaged, and high-temperature high-pressure gas and splashes can not be sprayed out;
3) Interlocking: after the isolating switch is switched on and the circuit breaker is switched on, the cable chamber door cannot be opened.
The existing ring main unit can release pressure when arcing faults occur, so that the safety of components is guaranteed, and the ring main unit has the arcing resistance. For example, chinese patent application number 202221749243.1 (grant publication number CN 218124135U) discloses a ring main unit arcing cable chamber door, which comprises a cable chamber door welding assembly and a cable chamber door inner lining board assembly connected with each other, wherein the cable chamber door welding assembly comprises a cable chamber door outer plate, a cable chamber door vertical stiffener and a cable chamber door horizontal stiffener are arranged inside the cable chamber door outer plate, and a second flame-retardant insulating plate is arranged on the cable chamber door vertical stiffener and the cable chamber door horizontal stiffener; the cable door inner lining board assembly comprises a cable door inner lining board and a first flame-retardant insulating board, wherein one surface of the cable door inner lining board is connected with the cable door outer board, and the other surface of the cable door inner lining board is connected with the first flame-retardant insulating board. Through setting up inside and outside fire-retardant structure, form dual protection, avoid the cable room door by the incident that electric arc burns through and arouses. However, the utility model is only connected to the cable chamber through the door holder and the bolt, the fastening effect is poor, and a user can touch and open the cable chamber door by mistake during operation; and the cable chamber door can be forcibly detached by removing the connection structure of the cable chamber door and the cable chamber cabinet body, and when the connection structure is damaged, the gas generated by arcing in the cable chamber is likely to damage human bodies.
Therefore, further improvements are needed.
Disclosure of utility model
The first technical problem to be solved by the utility model is to provide a cable chamber for a ring main unit and the ring main unit with better fastening effect aiming at the state of the art.
The second technical problem to be solved by the present utility model is to provide a ring main unit with a cable chamber.
The technical scheme adopted by the utility model for solving the first technical problem is as follows: a cable chamber for looped netowrk cabinet, including having the open-ended cabinet body and installing the cable chamber door in cabinet body opening part, its characterized in that: the cable chamber door comprises a door plate, and the edge of the door plate extends towards the cabinet body to form a door frame; the door frame comprises an upper door frame positioned at the upper part of the door plate and a lower door frame positioned at the lower part of the door plate;
The bottom of the opening of the cabinet body extends upwards to form a lower frame body; the lower door frame comprises a lock matched with the lower frame body; the clamping lock comprises a fastener, wherein the fastener is clamped with the lower frame body, and the bottom of the fastener is lower than the top of the lower frame body;
A limiting plate is arranged at the top of the cabinet body; the vertical distance between the top of the upper door frame and the bottom of the limiting plate is greater than the vertical distance between the bottom of the fastener and the top of the lower frame.
For better fastening effect, preferably, the lower frame body comprises a vertical plate perpendicular to the bottom of the cabinet body and a transverse plate parallel to the bottom of the cabinet body, and the fastener is arranged in parallel with the vertical plate.
Preferably, the cabinet further comprises an interlocking structure connected to the top of the cabinet body, and the top of the upper door frame is provided with a mounting hole; the interlocking structure includes an interlocking lever corresponding to the mounting hole.
In order to control the position of the interlock lever when the cable chamber door is opened and closed, preferably, the interlock structure includes a mechanism plectrum that controls the interlock lever, and a plectrum pressure plate corresponding to the mechanism plectrum is provided at the top of the upper door frame.
Preferably, when the cable door is closed, the pulling-piece pressing plate presses the pulling-piece of the mechanism, and the pulling-piece of the mechanism drives the interlocking rod to descend and enter the mounting hole, so that the cable door is fixed on the cabinet.
Preferably, the cable chamber door is horizontally provided with a fixing hole, and the cable chamber door is fixed on the cabinet body through a fastener penetrating through the fixing hole.
In order to prolong the path of the gas generated by the arcing outwards discharged from the cable chamber door and reduce the impact of the gas on the cable chamber door, preferably, the opening of the cabinet body extends to the outside of the cabinet body to form a skirt edge nested with the door frame. The gas can reach the junction of the cable chamber door and the cable chamber cabinet body only through the nested arrangement structure of the skirt edge and the door frame, so that the gas is not easy to be flushed out from the cable chamber door.
In order to provide the cable chamber door with better impact strength, the door frame is preferably of a double-layer welding structure.
Preferably, insulating lining plates are paved on the side wall and the top of the cabinet body, and insulating lining plates are arranged on one side, close to the cabinet body, of the cable chamber door.
The utility model solves the second technical problem by adopting the technical proposal that: a looped netowrk cabinet, its characterized in that: the cable chamber for the ring main unit is included.
Compared with the prior art, the utility model has the advantages that: the cable chamber door is fastened through the clamping of the fastener and the lower frame body, the vertical distance between the bottom of the fastener and the top of the lower frame body is greater than the vertical distance between the top of the upper door frame and the bottom of the limiting plate, and after the cable chamber door is closed, a user cannot detach the cable chamber door through the methods of lifting the cable chamber door upwards and the like, so that the fastening effect of the cable chamber door is better.
Drawings
FIG. 1 is a schematic view of the internal structure of an embodiment;
FIG. 2 is a schematic view of a cable door of an embodiment;
FIG. 3 is a schematic view of an embodiment (except for a cable chamber door);
FIG. 4 is a schematic view of an embodiment (except for a cable compartment door and a stop plate);
FIG. 5 is an enlarged view at A of FIG. 4;
FIG. 6 is a partial cross-sectional view of an embodiment;
Fig. 7 is an enlarged view at B of fig. 6.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1-7, is a preferred embodiment of the present utility model. The ring main unit comprises a cable chamber and a mechanism chamber.
The cable compartment comprises a cabinet 1 with an opening, a cable compartment door 2 and an interlocking structure 3. The mechanism chamber is located at the top of the cable chamber, which in this embodiment is provided at the top of the cabinet 1, and the side walls of the mechanism chamber are used as limiting plates 12.
The bottom of the opening of the cabinet body 1 extends upwards to form a lower frame body 11; the lower frame 11 includes a vertical plate 111 perpendicular to the bottom of the cabinet and a horizontal plate 112 parallel to the bottom of the cabinet, and the fastener 224 is disposed parallel to the vertical plate 111. The opening of the cabinet body 1 extends to the outside of the cabinet body 1 to form a skirt 13 nested with the door frame 22. Insulating lining boards are paved on the side wall and the top of the cabinet body 1.
The cable chamber door 2 is arranged at the opening of the cabinet body 1, and the cable chamber door 2 comprises a door plate 21 and a door frame 22 formed by extending the edge of the door plate 21 towards the cabinet body 1; the cable chamber door 2 is horizontally provided with a fixing hole 23, and the cable chamber door 2 is fixed on the cabinet body 1 through a fastener penetrating through the fixing hole 23; an insulating lining board is arranged on one side of the cable chamber door 2 close to the cabinet body 1.
As shown in fig. 2 and 7, the door frame 22 is of a double welded structure, and includes an upper door frame 221 located at an upper portion of the door panel 21 and a lower door frame 222 located at a lower portion of the door panel; the upper door frame 221 is provided at the top with a mounting hole 225. The lower door frame 222 of the cable compartment door 2 includes a latch 223 that mates with the lower frame 11; the latch 223 includes a fastener 224, the fastener 224 is fastened to the lower frame 11, and the bottom of the fastener 224 is lower than the top of the lower frame 11. The vertical distance between the top of the upper door frame 221 and the bottom of the limiting plate 12 is greater than the vertical distance between the bottom of the fastener 224 and the top of the lower frame 11. In this state, even if the fastening member of the cable chamber door 2 penetrating the fixing hole 23 is removed, the cable chamber door is still fixed to the housing by the fastening of the fastening member 224 to the lower housing 11 and the fixing structure of the interlocking structure 3 to the upper housing 211,
The interlocking structure 3 is positioned at the top of the cabinet body 1 and is positioned in the mechanism chamber; the interlocking structure 3 includes an interlocking lever 31 corresponding to the mounting hole and a mechanism plectrum 32 controlling the interlocking lever 31 to move up and down, and a plectrum pressure plate 226 corresponding to the mechanism plectrum 32 is provided at the top of the upper door frame 221.
When the cable chamber door 2 is closed in the state of the cabinet body 1, the pulling-out piece pressing plate 226 presses the mechanism pulling-out piece 32, the mechanism pulling-out piece 32 drives the interlocking rod 31 to descend and enter the mounting hole 225, so that the cable chamber door 2 is fixed on the cabinet body 1, and the vertical distance between the top of the upper door frame 221 and the bottom of the limiting plate 12 is greater than the vertical distance between the bottom of the fastener 224 and the top of the lower frame 11, so that a user cannot detach the cable chamber door in a mode of lifting up the cable chamber door and the like, and the fastening effect of the cable chamber door is better.
Claims (10)
1. The utility model provides a cable chamber for looped netowrk cabinet, is including having open-ended cabinet body (1) and install cable chamber door (2) at cabinet body (1) opening part, its characterized in that: the cable chamber door (2) comprises a door plate (21), and the edge of the door plate (21) extends towards the direction of the cabinet body (1) to form a door frame (22); the door frame (22) comprises an upper door frame (221) positioned at the upper part of the door plate (21) and a lower door frame (222) positioned at the lower part of the door plate;
The bottom of the opening of the cabinet body (1) extends upwards to form a lower frame body (11); the lower door frame (222) comprises a latch (223) matched with the lower frame body (11); the lock catch (223) comprises a fastener (224), the fastener (224) is clamped with the lower frame body (11), and the bottom of the fastener (224) is lower than the top of the lower frame body (11);
A limiting plate (12) is arranged at the top of the cabinet body (1); the vertical distance between the top of the upper door frame (221) and the bottom of the limiting plate (12) is greater than the vertical distance between the bottom of the fastener (224) and the top of the lower frame (11).
2. The cable closet for a ring main unit as claimed in claim 1, wherein: the lower frame body (11) comprises a vertical plate (111) perpendicular to the bottom of the cabinet body and a transverse plate (112) parallel to the bottom of the cabinet body, and the fastener (224) is arranged in parallel with the vertical plate (111).
3. The cable closet for a ring main unit as claimed in claim 1, wherein: the novel cabinet also comprises an interlocking structure (3) connected to the top of the cabinet body (1), and a mounting hole (225) is formed in the top of the upper door frame (221); the interlocking structure (3) includes an interlocking lever (31) corresponding to the mounting hole (225).
4. A cable compartment for a ring main unit according to claim 3, wherein: the interlocking structure (3) comprises a mechanism plectrum (32) for controlling the interlocking rod (31), and a plectrum pressing plate (226) corresponding to the mechanism plectrum (32) is arranged at the top of the upper door frame (221).
5. The cable chamber for a ring main unit as recited in claim 4, wherein: when the cable chamber door (2) is closed in the state of the cabinet body (1), the pulling-piece pressing plate (226) presses the mechanism pulling-piece (32), and the mechanism pulling-piece (32) drives the interlocking rod (31) to descend and enter the mounting hole (225), so that the cable chamber door (2) is fixed on the cabinet body (1).
6. The cable closet for a ring main unit as claimed in claim 1, wherein: the cable chamber door (2) is horizontally provided with a fixing hole (23), and the cable chamber door (2) is fixed on the cabinet body (1) through a fastener penetrating through the fixing hole (23).
7. The cable closet for a ring main unit as claimed in claim 1, wherein: the opening of the cabinet body (1) extends to the outside of the cabinet body (1) to form a skirt edge (13) nested with the door frame (22).
8. The cable closet for a ring main unit as claimed in claim 1, wherein: the door frame (22) is of a double-layer welding structure.
9. The cable closet for a ring main unit as recited in any one of claims 1-8, wherein: insulating lining plates are paved on the side wall and the top of the cabinet body (1), and insulating lining plates are arranged on one side, close to the cabinet body (1), of the cable chamber door (2).
10. A looped netowrk cabinet, its characterized in that: cable closet for a ring main unit according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322410962.1U CN220874052U (en) | 2023-09-05 | 2023-09-05 | Cable chamber for ring main unit and ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322410962.1U CN220874052U (en) | 2023-09-05 | 2023-09-05 | Cable chamber for ring main unit and ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220874052U true CN220874052U (en) | 2024-04-30 |
Family
ID=90813906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322410962.1U Active CN220874052U (en) | 2023-09-05 | 2023-09-05 | Cable chamber for ring main unit and ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220874052U (en) |
-
2023
- 2023-09-05 CN CN202322410962.1U patent/CN220874052U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220874052U (en) | Cable chamber for ring main unit and ring main unit | |
| CN201051620Y (en) | Voltage leakage device for switch device | |
| CN211266088U (en) | Control cabinet body and cooperation robot control cabinet | |
| CN208157870U (en) | A kind of ring network cabinet cable cabin structure | |
| CN114256745B (en) | Locking structure for medium-voltage switch equipment | |
| CN207459462U (en) | A kind of shock-proof type safe power distribution box | |
| CN105470825B (en) | Switchgear and its pressure relief device | |
| CN212518107U (en) | Constant voltage control's alternating current distribution cubical switchboard | |
| CN212784314U (en) | Self-pressure-relief switch cabinet | |
| CN208284903U (en) | A kind of environmental protection gas-insulated inflating switch cabinet | |
| CN212810903U (en) | Fireproof low-voltage switch cabinet | |
| CN201000823Y (en) | Interlocking device for high-voltage isolation switch and cabinet door | |
| CN216289849U (en) | Aerify cabinet body structure of arcing cabinet | |
| CN220085912U (en) | Grounding switch with protective cover | |
| CN203367847U (en) | Arcing protection cabinet body of ring main unit | |
| CN202142803U (en) | High voltage switch cabinet with pressure relief device | |
| CN211743734U (en) | Take explosion-proof function's cabinet of being qualified for next round of competitions | |
| CN213636674U (en) | Ring main unit with internal combustion arc grade lifting and reinforcing structure | |
| CN220874053U (en) | Anti-arcing ring main unit | |
| CN213212710U (en) | Cabinet door, electric cabinet box and switch cabinet | |
| CN209592650U (en) | With the low-tension switch cabinet for preventing the sagging function of cabinet door | |
| CN213150689U (en) | Low-voltage frame type circuit breaker | |
| CN216926871U (en) | High-voltage motor test cabinet | |
| CN217215556U (en) | Anti-misoperation device for switching-on and switching-off of switch cabinet of transformer substation | |
| CN210779522U (en) | Switching station base and switching station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |