CN215419290U - State-network standardized prefabricated box type transformer substation - Google Patents
State-network standardized prefabricated box type transformer substation Download PDFInfo
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- CN215419290U CN215419290U CN202121665500.9U CN202121665500U CN215419290U CN 215419290 U CN215419290 U CN 215419290U CN 202121665500 U CN202121665500 U CN 202121665500U CN 215419290 U CN215419290 U CN 215419290U
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Abstract
The utility model discloses a state network standardization prepackage type box-type substation, which comprises a box body, a cabinet door hinged on the front side of the box body, a transformer fixedly connected inside the box body, a low-voltage switch cabinet installed inside the box body and electrically connected with the transformer through a busbar, a high-voltage switch cabinet installed inside the box body and electrically connected with the transformer through a high-voltage cable, a metering box electrically connected with the low-voltage switch cabinet, and a grounding bar located inside the box body and electrically connected with the transformer. According to the utility model, the box body is formed by the plurality of pre-support aluminum alloy frames, so that the transportation and production difficulty of the box body can be greatly reduced, the standardized and unified management and production of the box body are facilitated, the high-voltage cables and the busbar can be fixed by arranging the guide protection structure, the high-voltage cables are prevented from loosening in the use process, and the problems that the existing box-type transformer substations of different models are complicated in structure, low in safety and incapable of meeting national grid standardization organic unification of shortening the station building period and reducing the manufacturing cost are solved.
Description
Technical Field
The utility model relates to the technical field of box-type substations, in particular to a national grid standardized pre-installed box-type substation.
Background
The box-type substation is a common transformation power device, but the structure of the box-type substation of different models is more tedious, the security is lower, and the use requirements of national grid standardization organic unification of shortening the station building period and reducing the manufacturing cost cannot be met.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the background art, the utility model aims to provide a national grid standardized prefabricated box-type substation, which has the advantages of standardization and safety improvement, and solves the problems that the existing box-type substations of different models are complicated in structure, low in safety and incapable of meeting national grid standardized organic unification requirements of shortening the station building period and reducing the manufacturing cost.
The utility model provides the following technical scheme: the national grid standardized preassembled box type transformer substation comprises a box body;
the cabinet door is hinged on the front side of the box body;
the transformer is fixedly connected inside the box body;
the low-voltage switch cabinet is arranged in the box body and is electrically connected with the transformer through a busbar;
the high-voltage switch cabinet is arranged in the box body and is electrically connected with the transformer through a high-voltage cable;
the metering box is electrically connected with the low-voltage switch cabinet;
the grounding bar is positioned in the box body and electrically connected with the transformer;
the emergency power supply interface is communicated with the right side of the inner wall of the box body;
the box is made by pre-assembling and splicing a plurality of aluminum alloy plates, and a structure for guiding and protecting the cable is arranged in the box.
A structure for being directed to cable and protecting comprises wall sheath, cable staple bolt and insulating splint, the quantity of wall sheath is a plurality of and evenly communicates and establish the surface at the inside of box and cover at high-voltage cable, cable staple bolt fixed connection establishes the surface at high-voltage cable in the inside of box and cover, insulating splint fixed connection at the top of box inner wall and with female mutual joint of arranging.
The top of the transformer is communicated with an oil level indicator.
And the inside of the box body is fixedly connected with a temperature control device positioned between the high-voltage switch cabinet and the transformer.
The front end of the metering box penetrates through the box body and extends to the front side of the box body.
The high-voltage cable is respectively electrically connected with the high-voltage switch cabinet and the transformer through the elbow-shaped cable plug head.
The utility model has the following beneficial effects:
1. according to the utility model, the box body is formed by the plurality of pre-support aluminum alloy frames, so that the transportation and production difficulty of the box body can be greatly reduced, the standardized and unified management and production of the box body are facilitated, the high-voltage cables and the busbar can be fixed by arranging the guide protection structure, the high-voltage cables are prevented from loosening in the use process, and the problems that the existing box-type transformer substations of different models are complicated in structure, low in safety and incapable of meeting national grid standardization organic unification of shortening the station building period and reducing the manufacturing cost are solved.
2. The guide protection structure is formed by the wall-through sheath, the cable hoop and the insulating clamping plate, so that the safety of the box body can be further improved, and the phenomenon of temperature accumulation or friction electric leakage is avoided. By arranging the oil level indicator, the utility model can facilitate the user to observe the oil quantity in the transformer and save the operation steps of closing the transformer for maintenance by the user. According to the utility model, the temperature control device is arranged, so that the temperature inside the box body can be monitored in real time, and the alarm is given to stop when the temperature inside the box body is overhigh. According to the utility model, the front side of the metering box is arranged outside the box body, so that a user can conveniently observe the metering meter, and the operation steps of opening the cabinet door are saved. According to the utility model, the high-voltage cable is installed through the two elbow-shaped cable plugging heads, so that the connection stability of the high-voltage cable can be improved, the installation efficiency is improved, and the operation safety is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of a front view structure of the present invention;
FIG. 3 is a schematic cross-sectional view of a top view of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 3, the present invention includes a case 1;
a cabinet door 2 hinged on the front side of the box body 1;
a transformer 3 fixedly connected to the inside of the box body 1;
the low-voltage switch cabinet 5 is arranged in the box body 1 and is electrically connected with the transformer 3 through a busbar 4;
a high-voltage switch cabinet 7 which is arranged in the box body 1 and is electrically connected with the transformer 3 through a high-voltage cable 6;
the metering box 8 is electrically connected with the low-voltage switch cabinet 5;
a ground bar 9 positioned inside the tank 1 and electrically connected to the transformer 3;
an emergency power supply interface 10 communicated with the right side of the inner wall of the box body 1;
the box 1 is made for a plurality of aluminium alloy plate pre-installation concatenation, and the inside of box 1 sets up the structure that is used for guiding the protection to the cable.
Referring to fig. 2, the structure for guiding and protecting the cable is composed of a wall-through sheath 11, a cable hoop 12 and an insulating clamp plate 13, the wall-through sheath 11 is a plurality of and is uniformly communicated inside the box body 1 and is sleeved on the surface of the high-voltage cable 6, the cable hoop 12 is fixedly connected inside the box body 1 and is sleeved on the surface of the high-voltage cable 6, and the insulating clamp plate 13 is fixedly connected to the top of the inner wall of the box body 1 and is mutually clamped with the busbar 4.
This embodiment forms guide protective structure through wall sheath 11, cable staple bolt 12 and insulating splint 13, can further improve the security of box 1, avoids appearing temperature gathering or the phenomenon of friction electric leakage.
Referring to fig. 2, the top of the transformer 3 is communicated with an oil level indicator 14.
In the present embodiment, by providing the oil level indicator 14, the user can observe the amount of oil inside the transformer 3, and the operation steps of shutting down the transformer 3 for maintenance by the user are saved.
Referring to fig. 2, a temperature control device 15 is fixedly connected to the inside of the cabinet 1 between the high voltage switchgear 7 and the transformer 3.
This embodiment is through setting up temperature control device 15, can carry out real time monitoring to the inside temperature of box 1, and the warning is shut down when box 1 inside high temperature.
Referring to fig. 1, the front end of the metering box 8 penetrates the case 1 and extends to the front side of the case 1.
This embodiment is through setting up the front side with batch meter 8 in the outside of box 1, can convenient to use person observe the strapping table, sparingly open the operating procedure of cabinet door 2.
Referring to fig. 2, the high-voltage cable 6 is electrically connected to the high-voltage switch cabinet 7 and the transformer 3 through an elbow-shaped cable plug.
This embodiment is through two elbow cable plug head installation high voltage cable 6, can improve high voltage cable 6's connection stability, improves the installation effectiveness, increases the operation security.
The method comprises the steps of assembling a pre-support aluminum alloy frame to form a box body 1, then respectively installing a transformer 3, a low-voltage switch cabinet 5 and a high-voltage switch cabinet 7 in the box body and connecting the electrical appliances through a busbar 4 and a high-voltage cable 6, then positioning the busbar 4 and the high-voltage cable 6 by utilizing a wall-through sheath 11, a cable hoop 12 and an insulating clamp plate 13, installing a grounding bar 9, an oil level indicator 14 and a temperature control device 15 in the box body, and finally clamping a metering box 8 on the surface of the box body 1 and hinging a cabinet door 2, thereby completing the standardized assembly of the pre-assembled box body 1.
Claims (6)
1. The national grid standardized preassembled box type transformer substation comprises a box body (1);
a cabinet door (2) hinged on the front surface of the box body (1);
a transformer (3) fixedly connected inside the box body (1);
the low-voltage switch cabinet (5) is arranged in the box body (1) and is electrically connected with the transformer (3) through a busbar (4);
a high-voltage switch cabinet (7) which is arranged in the box body (1) and is electrically connected with the transformer (3) through a high-voltage cable (6);
the metering box (8) is electrically connected with the low-voltage switch cabinet (5);
the grounding bar (9) is positioned in the box body (1) and is electrically connected with the transformer (3);
an emergency power supply interface (10) communicated with the right side of the inner wall of the box body (1);
the method is characterized in that: the box body (1) is formed by pre-assembling and splicing a plurality of aluminum alloy plates, and a structure for guiding and protecting a cable is arranged in the box body (1).
2. The national grid standardized preassembled bin type substation of claim 1, characterized in that: a structure for being directed to cable and protect comprises wall sheath (11), cable staple bolt (12) and insulating splint (13), the quantity of wall sheath (11) is a plurality of and even intercommunication establishes on the surface of high voltage cable (6) in the inside of box (1) and cover, cable staple bolt (12) fixed connection establishes on the surface of high voltage cable (6) in the inside of box (1) and cover, insulating splint (13) fixed connection at the top of box (1) inner wall and with female mutual joint of arranging (4).
3. The national grid standardized preassembled bin type substation of claim 2, characterized in that: the top of the transformer (3) is communicated with an oil level indicator (14).
4. The national grid standardized preassembled bin type substation of claim 3, characterized in that: the temperature control device (15) positioned between the high-voltage switch cabinet (7) and the transformer (3) is fixedly connected to the interior of the box body (1).
5. The national grid standardized preassembled bin type substation of claim 4, characterized in that: the front end of the metering box (8) penetrates through the box body (1) and extends to the front side of the box body (1).
6. The national grid standardized preassembled bin type substation of claim 5, characterized in that: and the high-voltage cable (6) is respectively and electrically connected with the high-voltage switch cabinet (7) and the transformer (3) through an elbow-shaped cable plug head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121665500.9U CN215419290U (en) | 2021-07-21 | 2021-07-21 | State-network standardized prefabricated box type transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121665500.9U CN215419290U (en) | 2021-07-21 | 2021-07-21 | State-network standardized prefabricated box type transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215419290U true CN215419290U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121665500.9U Active CN215419290U (en) | 2021-07-21 | 2021-07-21 | State-network standardized prefabricated box type transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215419290U (en) |
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2021
- 2021-07-21 CN CN202121665500.9U patent/CN215419290U/en active Active
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