CN212412594U - Miniaturized prefabricated substation with arcing channel cable chamber - Google Patents
Miniaturized prefabricated substation with arcing channel cable chamber Download PDFInfo
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- CN212412594U CN212412594U CN202020352733.2U CN202020352733U CN212412594U CN 212412594 U CN212412594 U CN 212412594U CN 202020352733 U CN202020352733 U CN 202020352733U CN 212412594 U CN212412594 U CN 212412594U
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Abstract
The utility model relates to a take miniaturized prepackage type transformer substation of arcing passageway cable chamber, the overall dimension is: the outdoor integrated intelligent combined electrical apparatus comprises a frame shell (1), an outdoor integrated intelligent combined electrical apparatus (2), a distribution transformer (3), a low-voltage comprehensive distribution box (4) and an arcing channel cable chamber (5), wherein the length is 2250mm, the width is 1300mm, and the height is 2300mm, and the outdoor integrated intelligent combined electrical apparatus (2) is installed on the distribution transformer (3); the low-voltage comprehensive distribution box (4) is positioned on the right side surface of the distribution transformer (3) and the outdoor integrated intelligent combined electrical appliance (2); the arcing channel cable chamber (5) is positioned on the left side surface of the distribution transformer (3) and the outdoor integrated intelligent combined electrical apparatus (2). The arcing channel cable chamber (5) adopts a three-layer plate structure, is safe and reliable, and can directly isolate the high-voltage cable from external equipment installation and operators; short-circuit fault accident isolation avoids damage to external public facilities and personnel of equipment, and improves the power supply reliability and safety of the miniaturized prefabricated substation.
Description
Technical Field
The utility model relates to a prepackage type transformer substation technical field particularly, relates to a miniaturized prepackage type transformer substation of area arcing passageway cable chamber.
Background
Along with the rapid development of social economy, in the process of power industry and city development, the requirements on transformer substations are more and more strict, the construction problem of urban transformer substations is increasingly prominent under the condition that the supply of urban land resources is more and more tense, urban construction and urban beautification require the elimination of dirty and messy high-voltage overhead lines in cities, so that transformer equipment can go deep into a load center, the transformer substations are two choices for ensuring the coordination and consistency of distribution equipment and the surrounding environment, and the miniaturized prefabricated transformer substations are accepted by vast power supply departments and users due to the characteristics of miniaturization, rapidness in installation and flexibility in operation. However, the transformer substation in the prior art has potential safety hazards, and under the condition that the advantages of the miniaturized prefabricated transformer substation are ensured, a safe and reliable product which can isolate the external environment from the internal faults of the equipment under the fault condition is very necessary to be developed.
For example, the chinese utility model patent with the publication number CN 209313289U discloses a cable chamber door device for resisting arcing faults, which comprises a cable chamber door and a cable chamber, and further comprises a pressure relief channel, a pressure relief cover plate, a hook, an insulating plate and a hook plate; the one end setting of cable chamber and cable chamber matched with cable chamber door, the both sides of cable chamber door are connected with respectively with cable chamber matched with couple board, be equipped with a plurality of evenly distributed's couple on the couple board, the last one end intercommunication relative with cable chamber door of cable chamber has pressure release channel, be equipped with the pressure release apron between pressure release channel and the cable chamber, be connected with the insulation board between pressure release channel and the cable chamber. The utility model discloses a can resist the inside arcing trouble that the looped netowrk cabinet cable chamber takes place effectively, reliably, reach IAC AFLR-20kA-1 s. However, the layout of the cable room door device has the existing problems of large floor space and poor safety.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical defect that the prior art exists, the utility model aims to provide a take miniaturized prepackage type transformer substation of arcing channel cable chamber solves that current prepackage type transformer substation area is big, wasting of resources, security subalternation problem.
The utility model discloses a main design is: the miniaturized prefabricated substation with the arcing channel cable chamber adopts an integrated and combined structural design, wherein the high-voltage switch cabinet adopts gas tank sealing, sulfur hexafluoride gas insulation and surface shielding technologies, and the personal safety and the operation safety of equipment are fully guaranteed. The transformer substation completes protection and isolation of the high-voltage side of the oil-immersed power transformer through a high-voltage switch cabinet; comprehensive functions such as low-voltage side power distribution and protection are completed through the comprehensive intelligent distribution box, and power supply reliability and power quality are improved; the selected distribution automation equipment and the intelligent sensing terminal can realize the intelligent management and state maintenance of the distribution area; the arcing channel cable chamber is simple in structure and convenient to install, improves a cable inlet channel and avoids the cable from being exposed; the bottom of the cable chamber is provided with the wire inlet hole, so that cable elements are not damaged, the cable can conveniently pass in and out, the front door plate and the cable chamber are interlocked, the electrified state cannot be opened, and the use safety is ensured.
The miniaturized prefabricated substation with the arcing channel cable chamber comprises a frame shell, an outdoor integrated intelligent combined electrical apparatus, a distribution transformer, a low-voltage comprehensive distribution box and the arcing channel cable chamber; the outdoor integrated intelligent combined electrical apparatus is arranged on the distribution transformer; the low-voltage comprehensive distribution box is positioned on the right side of the distribution transformer and the outdoor integrated intelligent combined electrical apparatus; the arcing channel cable chamber is positioned on the left side surface of the distribution transformer and the outdoor integrated intelligent combined electrical apparatus.
In any of the above schemes, preferably, the outdoor integrated intelligent combined electrical apparatus adopts gas tank sealing, sulfur hexafluoride gas insulation and surface shielding, thereby fully ensuring personal safety and operation safety of equipment.
In any of the above schemes, preferably, the outdoor integrated intelligent combined electrical apparatus is connected with the distribution transformer through a bolt and is fixed on the top of the distribution transformer.
In any of the above schemes, preferably, the comprehensive intelligent distribution box is an integrated rectangular box structure and is divided into an incoming and outgoing line room, a reactive compensation room and a metering room according to a structural layout form; the middle metering chamber is located on the upper left side of the cabinet body, the reactive compensation chamber is located on the right side of the upper portion of the cabinet body, the wire inlet and outlet chamber is integrally located on the middle lower portion of the cabinet body, and a metering mutual inductor lead sealing chamber is arranged inside the wire inlet and outlet chamber.
In any of the above schemes, preferably, the transformer substation is further provided with a low-voltage wire inlet and outlet chamber, wherein the low-voltage wire inlet and outlet chamber is a frame circuit breaker or a molded case circuit breaker, and an emergency power supply installation position is reserved; the reactive compensation chamber selects an intelligent capacitor and is switched through a reactive compensation controller or a TTU (time to Unit) pre-installed in the metering chamber; and a concentrator, an electric energy meter and a TTU (time to live) mounting position are reserved in the metering chamber.
In any of the above schemes, preferably, a pressure release valve is arranged on the outdoor integrated intelligent combined electrical apparatus, and the pressure release valve and the mounting stud are located on the left side of the cabinet body.
In any of the above schemes, preferably, the inlet cable part of the outdoor integrated intelligent combined electrical apparatus is located at the lower part of the left side of the cabinet body, the pressure release valve is arranged at the upper right part of the inlet cable part, the cable chamber is internally separated to form an inlet channel and a pressure release channel after the cable chamber is matched, and the two groups of channels are separated by the middle partition plate.
In any of the above schemes, preferably, a cable chamber door plate is installed outside the arc channel cable chamber, the door plate is of a three-layer plate structure, and the middle layer is an insulating plate made of fireproof materials.
In any of the above schemes, preferably, the cable chamber frame of the miniaturized pre-installed high-voltage cabinet cable chamber for the substation is of a three-layer plate structure, and the middle layer is an insulating plate made of a fireproof material.
To sum up, the utility model discloses a take miniaturized prepackage type transformer substation of arcing channel cable chamber has following advantage: on the basis of keeping a miniaturized prefabricated substation to realize the standardized design of the whole substation and industrial processing, the exposed high-voltage cable is avoided by adding the cable chamber, and the potential safety hazard caused by the exposed live conductor is solved; the construction process and the construction safety level of the whole transformer substation are improved; the arcing channel ensures the safety of arcing; the bottom of the cable chamber is provided with a wire passing hole, so that cable elements are not damaged, and the cables can conveniently pass in and out; the front door plate and the cable chamber are interlocked, and cannot be opened in an electrified state, so that the use safety is ensured.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of a miniaturized pre-installed substation with an arcing channel cable chamber according to the present invention.
Fig. 2 is a side view of the preferred embodiment of fig. 1 of a miniaturized pre-installed substation with a busway cable chamber according to the invention.
Fig. 3 is a front view of the preferred embodiment of fig. 1 with the frame enclosure removed, of a miniaturized pre-assembled substation with arcing channel cable compartments according to the present invention.
Fig. 4 is a left side view of the preferred embodiment of the miniaturized pre-assembled substation with arcing channel cable compartment according to the present invention shown in fig. 1 with the frame enclosure removed.
Fig. 5 is a right side view of the preferred embodiment of the miniaturized pre-assembled substation with arcing channel cable compartment according to the present invention shown in fig. 1 with the frame enclosure removed.
Fig. 6 is a rear view of the preferred embodiment of the miniaturized pre-assembled substation with arcing channel cable compartment according to the present invention shown in fig. 1 with the frame enclosure removed.
Fig. 7 is a schematic view of the internal structure of the miniaturized prefabricated substation with an arcing channel cable chamber according to the present invention, shown in fig. 3, with the box plate removed.
Fig. 8 is a schematic view of the internal structure of the miniaturized prefabricated substation with an arcing channel cable chamber according to the present invention, shown in fig. 4, with the box plate removed.
Fig. 9 is a schematic view of the internal structure of the miniaturized prefabricated substation with an arcing channel cable chamber according to the present invention, shown in fig. 5, with the box plate removed.
The reference numbers in the drawings:
frame shell 1, outdoor integrated combined electrical apparatus 2, distribution transformer 3, block terminal 4 is synthesized to low pressure, arcing channel cable chamber 5, elbow type joint 6, high-pressure inlet wire sleeve 7, transformer high-voltage bushing 8, distribution room 11, measurement room 12, capacitance compensation room 13, low pressure master inlet wire switch 15, outlet switch 17, intelligent capacitor bank 18, surge protector 19, electric energy meter 20, concentrator 21, inlet wire passageway 30, pressure release channel 31, relief valve 32.
Detailed Description
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. The following description will further describe the embodiments of the miniaturized pre-installed substation with an arcing channel cable chamber according to the present invention with reference to the drawings.
The utility model discloses a take miniaturized prepackage type transformer substation's of arcing passageway cable chamber whole working process as follows:
the power-on process of the high-voltage switch cabinet of the miniaturized prefabricated substation with the arcing channel cable chamber comprises the following steps:
1. confirming that the right door of the high-voltage switch cabinet is closed and the grounding switch is in a switch-on position, and indicating a pointer is in a grounding position;
2. the left side of an operating rod of the grounding switch is pulled down, the grounding switch is opened, an indicating needle is positioned at the opening position, and a right door of the high-voltage switch cabinet cannot be opened;
3. and pulling down the switch-on energy storage operating rod in a reciprocating manner until the load switch is switched on and the energy storage operation is completed at the same time, wherein the indicating needle is at the switch-on position, and the electrifying process is finished.
The power-off process of the high-voltage switch cabinet of the miniaturized prefabricated substation with the arcing channel cable chamber is as follows:
1. the switch-off operating rod is pushed upwards, the load switch is switched off, and the indicating needle points at the switch-off position and is powered off;
2. when in maintenance, the right side of the grounding switch operating rod is pulled down, the grounding switch is switched on, the indicating needle points to the grounding position, and at the moment, the right door of the high-voltage switch cabinet is opened, so that the operations such as fuse replacement and the like can be carried out.
As shown in fig. 1-3, the structure of a preferred embodiment of a miniaturized pre-installed substation with a cable chamber with an arcing channel according to the present invention is schematically illustrated. The utility model aims to provide a miniaturized prefabricated substation with an arcing channel cable chamber, which comprises a frame shell 1, an outdoor integrated intelligent combined electrical apparatus 2, a distribution transformer 3, a low-voltage comprehensive distribution box 4 and an arcing channel 5, wherein the outdoor integrated intelligent combined electrical apparatus 2 is arranged on the distribution transformer 3; the low-voltage comprehensive distribution box 4 is positioned on the right side surface of the distribution transformer 3 and the outdoor integrated intelligent combined electrical apparatus 2; and the arcing channel cable chamber 5 is positioned on the left side surface of the distribution transformer 3 and the outdoor integrated intelligent combined electrical apparatus 2. The outdoor integrated intelligent combined electrical apparatus 2 adopts gas tank sealing, sulfur hexafluoride gas insulation and surface shielding, fully ensures personal safety and operation safety of equipment, is connected with the distribution transformer through bolts, and is fixed at the top of the distribution transformer. Comprehensive functions such as low-voltage side power distribution, protection and the like are completed through the low-voltage comprehensive distribution box 4, and power supply reliability and power quality are improved; the selected distribution automation equipment and the intelligent sensing terminal can realize the intelligent management and the state maintenance of the transformer substation.
As shown in fig. 4-6, the utility model discloses a when the miniaturized prefabricated substation of area arcing channel cable chamber assembles, lift outdoor integrated intelligent combined electrical apparatus 2, directly fall on distribution transformer 3's top, next fix outdoor integrated intelligent combined electrical apparatus 2 at distribution transformer 3's top through the set screw, simultaneously, with the high-pressure outlet sleeve pipe in outdoor integrated intelligent combined electrical apparatus 2 rear portion and the transformer high-pressure sleeve pipe 8 in distribution transformer 3 rear portion, connect with connecting cable with elbow type joint 6 at last, fix with the buckler after connecting; a low-voltage comprehensive distribution box 4 is arranged on the right side surface of the distribution transformer 3 and the outdoor integrated intelligent combined electrical appliance 2, a transformer low-voltage sleeve is arranged on the low-voltage side of the distribution transformer 3, and a static contact inside the low-voltage sleeve is connected with a low-voltage bus copper bar of the low-voltage comprehensive distribution box 4; an arc burning channel 5 is arranged on the left side surface of the distribution transformer 3 and the outdoor integrated intelligent combined electrical apparatus 2, and a plurality of high-strength stainless steel bolts are adopted.
In this embodiment, the outdoor integrated intelligent combined electrical apparatus 2 adopts gas tank sealing, sulfur hexafluoride gas insulation and surface shielding, and preferably sulfur hexafluoride insulating gas.
As shown in fig. 7, the internal structure of a preferred embodiment of the miniaturized pre-installed substation with arcing channel cable chamber according to the present invention is schematically illustrated.
In this embodiment, block terminal 4 is synthesized to low pressure is integral type rectangle box structure as an organic whole, divides into business turn over line room, reactive compensation room, measurement room 12 according to structural configuration form, and wherein measurement room 12 is located the upper left side of the cabinet body, and the reactive compensation room is located cabinet body upper portion right side, and business turn over line room wholly is located the cabinet body middle and lower part, and inside contains the plumbous seal chamber of measurement mutual-inductor. The low-voltage incoming and outgoing line indoor switch can select a frame circuit breaker or a molded case circuit breaker, and an emergency power supply installation position is reserved; the reactive compensation chamber is switched by an intelligent capacitor through a reactive compensation controller or can be switched by a TTU (time-to-live) pre-installed in the metering chamber; and the concentrator, the electric energy meter and the TTU are arranged in the metering chamber in advance.
In this embodiment, a low voltage main inlet switch 15 is provided below the metering chamber 12.
As shown in fig. 8, the schematic internal structure of the miniaturized prefabricated substation with arcing channel cable chamber according to the present invention is shown in fig. 4 with the box plate removed.
In this embodiment, a high-voltage incoming casing 7 is arranged inside the left side of the substation; the pressure release valve 32 is arranged at the upper right part of the pressure release channel, and the cable chamber is internally separated to form an incoming line channel 30 and a pressure release channel 31 (as shown in fig. 8) after the cable chamber is matched, so that the incoming line cable is not exposed, and meanwhile, the pressure release valve can be directly released to a cable trench without damaging a transformer, other equipment and personnel during pressure release of the high-voltage cabinet.
In this embodiment, a pressure release valve 32 is arranged on the outdoor integrated intelligent combined electrical apparatus 2, and the pressure release valve and the mounting stud are located on the left side of the cabinet body.
In this embodiment, the inlet wire cable part of outdoor integrated intelligent combined electrical apparatus 2 is located the left side lower part of the cabinet body, and inlet wire passageway 30 and pressure release passageway 31 are formed at the upper right portion of inlet wire cable part to the pressure release valve 32 at cable chamber cooperation back cable chamber inside partition, and two sets of passageways separate through intermediate bottom.
In this embodiment, a cable chamber door plate is installed outside the cable chamber of the arcing channel cable chamber 5, the door plate is a three-layer plate structure, and the middle layer is an insulating plate made of a fireproof material.
In this embodiment, the cable chamber frame has a three-layer plate structure, and the middle layer is an insulating plate made of a fireproof material.
Finally, referring to fig. 9, the schematic diagram of the internal structure of the miniaturized prefabricated substation with arcing channel cable chamber according to the present invention is shown in fig. 5 with the box plate removed.
In this embodiment, a distribution room 11 is disposed behind the substation, a capacitance compensation room 13 is disposed above the distribution room, an outgoing switch 17 is disposed below the distribution room, and an intelligent capacitor bank 18 and a surge protector 19 are disposed in the capacitance compensation room 13.
It is understood by those skilled in the art that the miniaturized prefabricated substation with an arcing channel cable chamber of the present invention includes any combination of the components in this specification. These combinations are not described in detail herein for the sake of brevity and clarity, but the scope of the invention, which is defined by any combination of parts or features disclosed herein, will become apparent after a review of this specification.
Claims (9)
1. The utility model provides a take miniaturized prepackage type transformer substation of arcing passageway cable chamber, includes frame shell (1), outdoor integration intelligent combination electrical apparatus (2), distribution transformer (3), block terminal (4) and arcing passageway cable chamber (5) are synthesized to low pressure, its characterized in that: the outdoor integrated intelligent combined electrical apparatus (2) is arranged on the distribution transformer (3); the low-voltage comprehensive distribution box (4) is positioned on the right side surface of the distribution transformer (3) and the outdoor integrated intelligent combined electrical appliance (2); the arcing channel cable chamber (5) is positioned on the left side surface of the distribution transformer (3) and the outdoor integrated intelligent combined electrical apparatus (2).
2. The miniaturized pre-installed substation with arcing channel cable chamber of claim 1, wherein: the outdoor integrated intelligent combined electrical appliance (2) adopts gas tank sealing, sulfur hexafluoride gas insulation and surface shielding.
3. The miniaturised pre-assembled substation with an arcing channel cable chamber according to claim 1 or 2, characterized in that: the outdoor integrated intelligent combined electrical apparatus (2) is connected with the distribution transformer (3) through bolts and is fixed at the top of the distribution transformer (3).
4. The miniaturized pre-installed substation with arcing channel cable chamber of claim 1, wherein: the low-voltage comprehensive distribution box (4) is of an integrated rectangular box structure and is divided into an incoming and outgoing line room, a reactive compensation room and a metering room according to a structural layout form; the metering chamber is positioned at the upper left side of the cabinet body, the reactive compensation chamber is positioned at the right side of the upper part of the cabinet body, the whole wire inlet and outlet chamber is positioned at the middle lower part of the cabinet body, and the metering mutual inductor lead sealing chamber is arranged in the wire inlet and outlet chamber.
5. The miniaturized pre-installed substation with arcing channel cable chamber of claim 1, wherein: the transformer substation is further provided with a low-voltage in-out switch, the low-voltage in-out switch selects a frame circuit breaker or a molded case circuit breaker and reserves an emergency power supply installation position, the reactive compensation chamber selects an intelligent capacitor and is switched through a reactive compensation controller or TTU (time-to-live) pre-installed in the metering chamber, and a concentrator, an electric energy meter and the TTU installation position are reserved in the metering chamber.
6. A miniaturised pre-assembled substation room with arcing channel cable room according to claim 1 or 2, characterized in that: a pressure release valve (32) is arranged on the outdoor integrated intelligent combined electrical appliance (2), and the pressure release valve and the mounting stud are located on the left side of the cabinet body.
7. The miniaturized pre-installed substation with arcing channel cable chamber of claim 6, wherein: the inlet wire cable part of outdoor integration intelligent combination electrical apparatus (2) is located the left side lower part of the cabinet body, and relief valve (32) are at the upper right portion of inlet wire cable part, and cable chamber cooperation back cable chamber is inside to be separated and to form inlet wire passageway (30) and relief pressure passageway (31), and two sets of passageways separate through intermediate bottom.
8. The miniaturized pre-installed substation with arcing channel cable chamber of claim 1, wherein: and a cable chamber door plate is arranged outside the arc channel cable chamber (5), the door plate is of a three-layer plate structure, and the middle layer is a fireproof material insulation plate.
9. The miniaturized pre-installed substation with arcing channel cable chamber of claim 1, wherein: the cable chamber frame of the arcing channel cable chamber (5) is of a three-layer plate structure, and the middle layer is a fireproof material insulating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020352733.2U CN212412594U (en) | 2020-03-19 | 2020-03-19 | Miniaturized prefabricated substation with arcing channel cable chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020352733.2U CN212412594U (en) | 2020-03-19 | 2020-03-19 | Miniaturized prefabricated substation with arcing channel cable chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212412594U true CN212412594U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020352733.2U Active CN212412594U (en) | 2020-03-19 | 2020-03-19 | Miniaturized prefabricated substation with arcing channel cable chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212412594U (en) |
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2020
- 2020-03-19 CN CN202020352733.2U patent/CN212412594U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A miniaturized pre installed substation with arc burning channel cable compartment Granted publication date: 20210126 Pledgee: Bank of China Limited by Share Ltd. Nanjing City South Branch Pledgor: JIANGSU QIHOU INTELLIGENT ELECTRICAL EQUIPMENT CO.,LTD. Registration number: Y2024980020231 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |