CN218005680U - Compact pre-installed box-type substation - Google Patents
Compact pre-installed box-type substation Download PDFInfo
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- CN218005680U CN218005680U CN202221982370.6U CN202221982370U CN218005680U CN 218005680 U CN218005680 U CN 218005680U CN 202221982370 U CN202221982370 U CN 202221982370U CN 218005680 U CN218005680 U CN 218005680U
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Abstract
The utility model discloses a compact prepackage type box-type substation, hyperbaric chamber and transformer room adopt "article" style of calligraphy structural arrangement, be equipped with low-voltage cabinet, UPS power, supplementary change futilely in the low-pressure chamber, supplementary change futilely through the fixed setting in low-pressure chamber left side wall board middle part of bracket, UPS power installation space is reserved to the below, this box structural optimization case becomes the inner member structure and arranges the logic, and the at utmost saves manufacturing cost, has practiced thrift the civil engineering area, has further improved large capacity box-type substation's adaptability, the supply and distribution transformation engineering in the nervous area of specially adapted civil engineering area.
Description
Technical Field
The utility model relates to a case becomes equipment field, specifically is a compact prepackage type box-type substation suitable for new forms of energy wind power generation field.
Background
The box-type substation is also called a pre-installed substation or a pre-installed substation. The high-voltage transformer is a brand-new transformer substation rising after civil construction and transformation, and is a factory prefabricated indoor and outdoor compact type distribution device which is integrated according to a certain wiring scheme, namely, the functions of transformer voltage reduction, low-voltage distribution and the like are organically combined together and installed in a moistureproof, antirust, dustproof, ratproof, fireproof, antitheft, heat-insulating, totally-enclosed and movable steel structure box. The box-type transformer substation is suitable for mines, factory enterprises, oil-gas fields and wind power stations, replaces the original civil power distribution room and power distribution station, and becomes a novel complete set of power transformation and distribution device.
The space utilization rate of a low pressure chamber of the conventional box is low, the occupied area is large, the urban land is scarce, the land is precious in a lot of places, and the box with large volume is difficult to adapt to particularly in the airport, the market, the commercial street and other areas.
Disclosure of Invention
The utility model particularly provides a compact prepackage type box-type substation, its structural design is reasonable, compact structure, and its technical scheme who takes is:
a compact pre-installed box-type substation comprises a high-voltage chamber, a low-voltage chamber and a transformer chamber, wherein the high-voltage chamber, the low-voltage chamber and the transformer chamber are arranged in a structure in a shape like a Chinese character pin, and the high-voltage chamber is divided into a left incoming cable chamber and a right circuit breaker chamber; a transformer is arranged in the transformer chamber, a high-voltage cabinet breaker is arranged in the high-voltage chamber, the high-voltage cabinet breaker is connected with a high-voltage sleeve of the transformer through a bus through a high-voltage current transformer, and the transformer is connected with a frame breaker in a low-voltage cabinet through flexible connection; be equipped with low-voltage cabinet, UPS power, supplementary doing the transformation in the low-voltage chamber, the low-voltage cabinet bottom is provided with the low-voltage cable orifice plate, and the low-voltage cabinet is fixed directly over the low-voltage cable orifice plate, supplementary doing the transformation and pass through the fixed setting in low-voltage chamber left side wall plate middle part of bracket, UPS power installation space is reserved to the below, supplementary doing the transformation is provided with futilely and becomes the guard shield outward, in order to guarantee personnel's safety and insulating protection, the base in low-voltage chamber is provided with the angle steel, the UPS power includes group battery and UPS host computer, the group battery is placed on low-voltage chamber base angle steel, base angle steel fixedly connected with battery guard shield, the fixed host computer tray in battery guard shield top, the fixed setting of UPS host computer is on the host computer tray, the outer fixed host computer guard shield that is provided with of UPS host computer.
Nylon foam is added into gaps between the battery protective cover and the battery pack for bathing, so that displacement in the transportation process is prevented; the gap between the host machine shield and the UPS host machine is soaked by nylon bubbles, so that the stability of the UPS host machine is ensured.
The auxiliary dry transformer is connected with the UPS host machine through the miniature circuit breakers and the duplex five-hole socket, the UPS host machine is connected with a plurality of miniature circuit breakers and used for controlling loop power supplies such as a high-voltage circuit breaker, an electromagnetic lock, a low-voltage frame circuit breaker, a measurement and control device and a low-voltage secondary element, and the power utilization requirements of a main loop during power failure maintenance of the box transformer substation are met.
The high-pressure chamber is provided with a high-pressure bus bar and adopts a double-N-shaped copper bar structure. The left end of a first N-shaped copper bar N1 is fixedly connected with an insulator by adopting a bolt, a high-voltage arrester and a cable wiring hole are reserved below the insulator, and the right end of the insulator is connected with the left end of a second N-shaped copper bar N2 by adopting a bolt; and a cable wiring hole is reserved below the left end of the second N-shaped copper bar N2, the right end of the second N-shaped copper bar N2 is fixed at the access end of the high-voltage circuit breaker by adopting double bolts, and the cable wiring hole is reserved below the second N-shaped copper bar N2. When guaranteeing the requirement of insulation space, satisfy the access demand of high voltage arrester lead wire and 3 cable at most to rational maximize utilizes the space.
The high-voltage chamber is also internally provided with a high-voltage arrester and a high-voltage transformer, and the high-voltage arrester is connected with the high-voltage bus bar through a lead; the high-voltage potential transformer is fixed on a bottom plate in the high-voltage chamber and positioned between the high-voltage circuit breaker and the transformer, and the high-voltage potential transformer is connected to the high-voltage current transformer from the high-voltage fuse through a copper bar.
The high-voltage current transformer is hung on the high-voltage side of the transformer, so that the safety during assembly and maintenance is effectively improved, the overall size of the box transformer is reduced, and the production cost is reduced; and a transformer mounting bracket is welded at the upper part of the side of the high-voltage bushing of the transformer to fix the high-voltage current transformer.
The high-voltage chamber bottom arrange high-voltage cable hole, arrange low-voltage cable hole in the low-voltage chamber, realize the access of power cable, the low-voltage cable hole blocks up through the turriform sealing washer. The low-voltage cable clamp fixing beam is provided with the long hole, so that the cable hoop position can be conveniently adjusted according to actual requirements after the cable is accessed to a construction site. High low tension cable adopts M13 x 65 hexagonal full thread bolt fastening, uses length through adjusting bolt during the assembly, but the multiple specification power cable of adaptation satisfies wind-powered electricity generation field actual construction wiring demand.
Further, the high voltage bushing of the transformer is angled up 55 。 ~60 。 Arrange on transformer high voltage panel to install terminal box, welded fastening support additional, high-tension bushing passes through the round copper braided wire and is connected with high-voltage potential transformer with the adaptation in different looks interval high-voltage circuit breaker, and avoid the transportation to rock the connection that causes not hard up, under the requirement of guaranteeing insulation space, the at utmost utilizes the high-pressure chamber space, the construction operation of being convenient for.
The utility model has the advantages that: the whole preassembled box-type transformer substation is reasonable in structural design, internal element arrangement of the box-type transformer substation is optimized, the field civil construction use area is reduced, the production cost is saved to the maximum extent, the adaptability of the large-capacity box-type transformer substation is improved, and the prefabricated box-type transformer substation is particularly suitable for power supply and distribution transformation projects in areas with short civil construction areas.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic diagram of an auxiliary dry-change structure;
FIG. 4 is a schematic diagram of the high voltage bus results.
1-high-voltage bus bar, 2-high-voltage cabinet breaker, 3-high-voltage current transformer, 4-transformer, 5-low-voltage cabinet, 6-high-voltage bushing, 7-high-voltage transformer, 8-high-voltage cable, 9-high-voltage arrester, 12-low-voltage cable hole, 13-UPS power supply, 14-auxiliary dry transformer and 18-high-voltage cable hole.
Detailed Description
A compact prepackage type box-type substation comprises a high-pressure chamber, a low-pressure chamber and a transformer chamber, wherein the high-pressure chamber, the low-pressure chamber and the transformer chamber are arranged in a structure like a Chinese character pin, and the high-pressure chamber is divided into a left incoming cable chamber and a right circuit breaker chamber; a transformer 4 is arranged in the transformer chamber, a high-voltage cabinet breaker 2 is arranged in the high-voltage chamber, the high-voltage chamber is connected with a transformer high-voltage bushing 6 through a bus by a high-voltage current transformer 3, and the transformer 4 is connected with a frame breaker in a low-voltage cabinet 5 through flexible connection; be equipped with low-voltage cabinet 5 in the low-voltage chamber, UPS power 13, supplementary change 14 futilely, low-voltage cabinet 5 bottom is provided with low-voltage cable hole 12 board, low-voltage cabinet 5 fixes directly over low-voltage cable hole 12 board, supplementary change 14 futilely pass through the fixed setting in low-voltage chamber left side wall board middle part of bracket, UPS power 13 installation space is reserved to the below, supplementary change 14 futilely is provided with futilely changes the guard shield outward to guarantee personnel's safety and insulating protection, the base in low-voltage chamber is provided with the angle steel, UPS power 13 includes group battery and UPS host computer, the group battery is placed on low-voltage chamber base angle steel, base angle steel fixedly connected with battery guard shield, the fixed host computer tray in battery guard top, the fixed setting of UPS host computer is on the host computer tray, the external fixation of UPS host computer is provided with the host computer guard shield.
Nylon foam is added into gaps between the battery protective cover and the battery pack to prevent displacement in the transportation process; the gap between the host machine shield and the UPS host machine is soaked by nylon bubbles, so that the stability of the UPS host machine is ensured.
Auxiliary dry transformer 14 inserts UPS host computer by miniature circuit breaker, five hole sockets of pair, and the UPS host computer is connected a plurality of miniature circuit breakers and is used for controlling return circuit power supplies such as high-voltage circuit breaker, electromagnetic lock, low pressure frame circuit breaker, measurement and control device, low pressure quadratic element, has satisfied the main return circuit power consumption demand when the case becomes the outage and overhauls.
The high-pressure chamber is provided with a high-pressure bus bar 1, and a double-N-shaped copper bar structure is adopted. The left end of a first N-shaped copper bar N1 is fixedly connected with an insulator by adopting a bolt, a high-voltage arrester 9 and a cable wiring hole are reserved below the insulator, and the right end of the insulator is connected with the left end of a second N-shaped copper bar N2 by adopting a bolt; and a cable wiring hole is reserved below the left end of the second N-shaped copper bar N2, the right end of the second N-shaped copper bar is fixed at the access end of the high-voltage circuit breaker by adopting double bolts, and the cable wiring hole is reserved below the second N-shaped copper bar. The requirement of an insulation space is guaranteed, the connection requirements of a lead of a high-voltage arrester 9 and at most three high-voltage cables 8 are met, and the space is reasonably and maximally utilized.
The high-voltage chamber is also internally provided with a high-voltage arrester 9 and a high-voltage transformer 7, and the high-voltage arrester 9 is connected with the high-voltage bus bar 1 through a lead; the high-voltage potential transformer 7 is fixed on a bottom plate in the high-voltage chamber, is positioned between the high-voltage circuit breaker and the transformer 4, and is connected to the high-voltage current transformer 3 from the high-voltage fuse through a copper bar.
The high-voltage current transformer 3 is hung on the high-voltage side of the transformer, so that the safety during assembly and maintenance is effectively improved, the overall size of the box transformer is reduced, and the production cost is reduced; and a transformer mounting bracket is welded at the upper part of the side of the high-voltage bushing 6 of the transformer to fix the high-voltage current transformer 3.
Further, the high voltage bushing 6 of the transformer is angled upwards 55 。 ~60 。 Arrange on 4 high-voltage board of transformer to install terminal box, welded fastening support additional, 12 bottom plates in low-voltage cable hole increase the outside 10mm hem downwards all around, present protruding type structure, be convenient for install the turriform sealing washer and carry out the shutoff. The low-voltage cable clamp fixing beam is provided with phi 13 x 65 long holes, so that the cable hoop position can be conveniently adjusted according to actual requirements after cables are accessed in a construction site. The high-voltage cable hole 18 is arranged in the high-voltage chamber, the high-voltage cable and the low-voltage cable are fixed through M13 x 65 hexagonal full-thread bolts, and the length of the high-voltage cable and the low-voltage cable is adjusted during assembly, so that the high-voltage cable and the low-voltage cable can be adapted to power cables of various specifications.
This kind of become compact prepackage type transformer substation box area of occupation is about two-thirds of conventional case becomes structural style, has realized the reduction of the structural area very big degree of case becomes, practices thrift manufacturing cost in the at utmost, has practiced thrift the civil engineering area, has further improved large capacity box-type transformer substation's adaptability, and the specially adapted civil engineering area is nervous area's the supply and distribution transformation project.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (6)
1. The utility model provides a compact prepackage type box-type substation, includes high-pressure chamber, low-pressure chamber and transformer room, its characterized in that: the high-voltage chamber, the low-voltage chamber and the transformer chamber are arranged in a structure like the Chinese character 'pin', and the high-voltage chamber is divided into a left incoming cable chamber and a right circuit breaker chamber; a transformer is arranged in the transformer chamber, a high-voltage cabinet breaker is arranged in the high-voltage chamber, the high-voltage chamber is connected with a high-voltage sleeve of the transformer through a bus and a high-voltage current transformer, and the transformer is connected with a frame breaker in a low-voltage cabinet through flexible connection; be equipped with low-voltage cabinet, UPS power, supplementary doing the transformation in the low-voltage chamber, the low-voltage cabinet bottom is provided with the low-voltage cable orifice plate, and the low-voltage cabinet is fixed directly over the low-voltage cable orifice plate, supplementary doing the transformation and pass through the fixed setting in low-voltage chamber left side wall plate middle part of bracket, UPS power installation space is reserved to the below, supplementary doing the transformation is provided with futilely and becomes the guard shield outward, in order to guarantee personnel's safety and insulating protection, the base in low-voltage chamber is provided with the angle steel, the UPS power includes group battery and UPS host computer, the group battery is placed on low-voltage chamber base angle steel, base angle steel fixedly connected with battery guard shield, the fixed host computer tray in battery guard shield top, the fixed setting of UPS host computer is on the host computer tray, the outer fixed host computer guard shield that is provided with of UPS host computer.
2. The compact pre-assembled substation according to claim 1, characterized in that: a nylon foam bath is added in a gap between the battery protective cover and the battery pack; nylon foam is added in a gap between the host protective cover and the UPS host for bathing.
3. The compact pre-installed substation of claim 1, wherein: the auxiliary dry transformer is connected to the UPS host machine through the miniature circuit breakers and the duplex five-hole socket, and the UPS host machine is connected with the miniature circuit breakers.
4. The compact pre-assembled substation according to claim 1, characterized in that: the high-pressure chamber is provided with a high-pressure bus bar and adopts a double-N-shaped copper bar structure.
5. The compact pre-assembled substation according to claim 1, characterized in that: the high-voltage chamber is also internally provided with a high-voltage arrester and a high-voltage transformer, and the high-voltage arrester is connected with the high-voltage bus bar through a lead; the high-voltage potential transformer is fixed on a bottom plate in the high-voltage chamber and positioned between the high-voltage circuit breaker and the transformer, and the high-voltage potential transformer is connected to the high-voltage current transformer from the high-voltage fuse through a copper bar.
6. The compact pre-assembled substation according to claim 1, characterized in that: the high-voltage bushing of the transformer inclines upwards by 55-60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221982370.6U CN218005680U (en) | 2022-07-29 | 2022-07-29 | Compact pre-installed box-type substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221982370.6U CN218005680U (en) | 2022-07-29 | 2022-07-29 | Compact pre-installed box-type substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218005680U true CN218005680U (en) | 2022-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221982370.6U Active CN218005680U (en) | 2022-07-29 | 2022-07-29 | Compact pre-installed box-type substation |
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| Country | Link |
|---|---|
| CN (1) | CN218005680U (en) |
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2022
- 2022-07-29 CN CN202221982370.6U patent/CN218005680U/en active Active
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