CN211126752U - Transformer substation in tunnel - Google Patents
Transformer substation in tunnel Download PDFInfo
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- CN211126752U CN211126752U CN201921982399.2U CN201921982399U CN211126752U CN 211126752 U CN211126752 U CN 211126752U CN 201921982399 U CN201921982399 U CN 201921982399U CN 211126752 U CN211126752 U CN 211126752U
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Abstract
The utility model discloses a transformer substation in tunnel, including delivery automobile body, transformer, high tension switchgear, well low tension switchgear, control protection equipment and cable collection device are all installed on the delivery automobile body. In the transformer substation in the tunnel that this application provided, through all installing transformer, high voltage switch, well low voltage switch, control protection equipment and cable collection device on the delivery automobile body, be about to each structure modularization setting of transformer substation on the delivery automobile body, when specifically using, can remove the delivery automobile body as required, can remove the transformer substation to predetermineeing the position, and then be convenient for to power supply in the tunnel.
Description
Technical Field
The utility model relates to a tunnel power supply technical field, in particular to transformer substation in tunnel.
Background
When the transformer substation is arranged in a mountain area with complex terrain, the transformer substation can be damaged by natural disasters such as debris flow or falling of broken stones, so that the scheme provides that the large-scale transformer substation is arranged in a tunnel at a special geographic position to achieve the function of long-term stable power supply. A transformer substation: a set of equipment combination for converting high-voltage electric energy into low-voltage electric energy generally comprises a transformer, a high-voltage switch, a medium-low voltage switch, control protection equipment and the like.
The conventional transformer substation electrical equipment is large in size and is fatal to the installation in a tunnel, so that the normal transportation to a destination cannot be realized, the engineering cannot be normally carried out, and the railway construction process is seriously influenced. The conventional transformer substation occupies a large area, is low in equipment integration level and cannot be arranged inside the tunnel.
Conventional substation equipment is bulky, and generally is fixed in the basis, and is unmovable, can't arrange inside the tunnel, even through changing equipment structure, arranges in the tunnel, nevertheless does not have sufficient maintenance space, and the unable normal operating of transformer substation equally leads to the power supply in the tunnel inconvenient.
Therefore, how to facilitate power supply in a tunnel is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a transformer substation in tunnel to supply power in to the tunnel.
In order to achieve the above object, the utility model provides a transformer substation in tunnel, including delivery automobile body, transformer, high-voltage switch, well low-voltage switch, control protection equipment and cable collection device, the transformer high-voltage switch well low-voltage switch control protection equipment and cable collection device all install on the delivery automobile body.
Preferably, the control protection device, the medium-low voltage switch, the high voltage switch, the transformer and the cable collection device are arranged in a straight line along the direction from head to tail of the carrier vehicle body.
Preferably, the number of the transformers is one or more.
Preferably, the delivery automobile body includes the steel structure sweep and installs the multiunit steel wheel of steel structure sweep below, the top of steel structure sweep forms mounting platform, the transformer the high voltage switch the well low voltage switch control protection equipment and cable collection device all install mounting platform is last.
Preferably, still include the cable, the delivery vehicle body includes a plurality of delivery units that connect gradually along the direction of motion, the both sides of delivery unit all are equipped with the cable support, two adjacent flexible the bending of cable between the delivery unit sets up.
Preferably, the transformer comprises a transformer body and transformer radiating grids, the transformer body is connected with the transformer radiating grids through an oil circulation pipeline, and the transformer body and the transformer radiating grids are arranged in a straight line along the moving direction of the carrier vehicle body.
Preferably, the high-voltage switch includes circuit breaker and isolator, cable terminal sleeve and switch board, follows delivery automobile body width direction, the switch board with cable terminal sleeve is a style of calligraphy and arranges, follows delivery automobile body direction of motion, isolator with cable terminal sleeve is a style of calligraphy and arranges.
Preferably, the medium-low voltage switch comprises a first container and a medium-low voltage switch integrated cabinet, the medium-low voltage switch integrated cabinet is installed in the first container, the bottom end of the first container is installed on the carrying vehicle body through the first support, and the cable on the medium-low voltage switch is led out through the bottom of the first container.
Preferably, the control protection device comprises a second container and a control protection device cabinet body installed in the second container, the second container is installed on the carrying vehicle body through a second support, and the cable on the control protection device is led out to the bottom through the second container.
Preferably, the cable collection device comprises a high voltage cable winch and a medium and low voltage cable winch.
In the technical scheme, the utility model provides an in-tunnel transformer substation includes delivery automobile body, transformer, high voltage switch, well low voltage switch, control protection equipment and cable collection device, and transformer, high voltage switch, well low voltage switch, control protection equipment and cable collection device all install on the delivery automobile body.
According to the above description, in the transformer substation in the tunnel provided by the application, the transformer, the high-voltage switch, the middle-low voltage switch, the control protection equipment and the cable collection device are all installed on the carrying vehicle body, namely, each structure module of the transformer substation is arranged on the carrying vehicle body, and when the transformer substation is used specifically, the carrying vehicle body can be moved as required, the transformer substation can be moved to the preset position, and power supply in the tunnel is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a transformer substation in a tunnel according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a transformer according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a high-voltage switch according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of the high voltage switch of FIG. 3 along the direction A-A;
FIG. 5 is a schematic view of the high voltage switch of FIG. 3 along the direction B-B;
fig. 6 is a schematic structural view of a carrier vehicle body according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a medium-low voltage switch provided in the embodiment of the present invention;
fig. 8 is a schematic structural diagram of a control protection device according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a cable collection device according to an embodiment of the present invention.
Wherein in FIGS. 1-2: 1-transformer, 2-high voltage switch, 3-medium and low voltage switch, 4-control protection equipment, 5-cable collection device, 6-transformer radiating grid, 7-transformer body, 8-oil circulation pipeline, 9-steel vehicle plate, 10-steel wheel, 11-cable bracket, 12-cable, 13-isolating switch, 14-cable terminal sleeve, 15-control cabinet, 16-first bracket, 17-second bracket, 18-medium and low voltage switch integrated cabinet, 19-first container, 20-medium and low voltage cable winch, 21-high voltage cable winch, 22-control protection equipment cabinet body and 23-second container.
Detailed Description
The core of the utility model is to provide a transformer substation in tunnel to supply power in to the tunnel.
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
Please refer to fig. 1 to fig. 9.
In a specific embodiment, the utility model discloses the transformer substation includes delivery automobile body, transformer 1, high tension switchgear 2, well low tension switchgear 3, control protection equipment 4 and cable collection device 5 in the tunnel that specific embodiment provided, and transformer 1, high tension switchgear 2, well low tension switchgear 3, control protection equipment 4 and cable collection device 5 all install on the delivery automobile body. Specifically, a cable collecting device 5 is arranged on the preferable transformer substation tunnel portal carrying vehicle body, so that the working personnel can timely know the winding and unwinding conditions of the cable 12, and the safe operation of the transformer substation is guaranteed.
Specifically, one or more transformers 1 may be provided according to actual needs.
It can be known from the above description that in the transformer substation in the tunnel that this application embodiment provided, through all installing transformer 1, high-voltage switch 2, well low-voltage switch 3, control protection equipment 4 and cable collection device 5 on the delivery automobile body, be about to each structure modularization setting of transformer substation on the delivery automobile body, when specifically using, can remove the delivery automobile body as required, can remove the transformer substation to preset the position, and then be convenient for supply power in the tunnel.
Preferably, the protection equipment 4, the medium-low voltage switch 3, the high voltage switch 2, the transformer 1 and the cable collection device 5 are controlled from head to tail along the carrying vehicle body and are arranged in a straight line shape. Through arranging each equipment style of calligraphy, the transformer substation width is showing and is reducing, consequently is applicable to and places and carry out the bulk motion on the carrier loader body.
Specifically, the carrying vehicle body comprises a steel vehicle plate 9 and a plurality of groups of steel wheels 10 arranged below the steel vehicle plate 9, a mounting platform is formed above the steel vehicle plate 9, and the transformer 1, the high-voltage switch 2, the medium-low voltage switch 3, the control protection equipment 4 and the cable collection device 5 are all mounted on the mounting platform. Specifically, the steel wheel 10 is movable along a track. The whole transformer substation can be arranged in the long and narrow tunnel and can integrally move along the track. The application carrying vehicle body can be transported, transferred, entered or exited from the tunnel along the track, and the in-tunnel substation can be directly arranged in the tunnel with auxiliary or non-communication vehicles.
In another embodiment, the carrier body may also be a plurality of interconnected gooseneck trucks.
In a specific implementation mode, the transformer substation in the tunnel further comprises a cable 12, the carrying vehicle body comprises a plurality of carrying units which are sequentially connected along the moving direction, cable supports 11 are arranged on two sides of each carrying unit, and the cable 12 between every two adjacent carrying units is flexibly bent. The cable 12 reserves a certain length at the joint between the two carrying units, so that the cable 12 is prevented from being pulled by relative displacement between the carrying units. The cable support 11 is installed to the delivery unit both sides, can move along with the delivery unit jointly.
Preferably, the transformer 1, the high-voltage switch 2, the medium-low voltage switch 3, the control protection device 4 and the cable collection device 5 respectively correspond to one carrying unit.
Specifically, the transformer 1 comprises a transformer body 7 and transformer radiating grids 6, the transformer body 7 is connected with the transformer radiating grids 6 through an oil circulation pipeline 8, and the transformer body 7 and the transformer radiating grids 6 are arranged in a straight line along the moving direction of the carrier vehicle body. Further reducing the width of the transformer substation in the tunnel.
Specifically, high tension switchgear 2 includes circuit breaker and isolator 13, cable termination sleeve 14, switch board 15, and along delivery automobile body width direction, switch board 15 and cable termination sleeve 14 are a style of calligraphy and arrange, and along delivery automobile body direction of motion, isolator 13 and cable termination sleeve 14 are a style of calligraphy and arrange. The high-voltage switch 2 contained in the device is more conventional by changing the arrangement mode, and the width of the high-voltage switch 2 is obviously reduced, so that the device is suitable for being placed on a carrier vehicle body and moving integrally.
The cable termination sleeve 14 is operatively connected to the cable 12 and is electrically connected to the high voltage switch 2 via an electrical conductor to electrically connect the cable 12 to the high voltage switch 2.
In a specific embodiment, the medium and low voltage switch 3 includes a first container 19 and a medium and low voltage switch integrated cabinet 18, the medium and low voltage switch integrated cabinet 18 is installed in the first container 19, the bottom end of the first container 19 is installed on the carrier vehicle body through a first bracket 16, and the cable 12 on the low voltage switch is led out through the bottom of the first container 19, wherein the first container 19 is a prefabricated container.
Specifically, the first support 16 is multiple, and the first container 19 is suspended on the carrier vehicle body through the first support 16; the cable 12 enters through the bottom of the first container 19 and connects to the medium and low voltage switchgear cabinet 18. The low and medium voltage switch 3 and the low and medium voltage switch integrated cabinet 18 are arranged in the first container 19 due to high requirements on environmental conditions, so that protection is conveniently formed. The cable 12 enters from the bottom of the first container 19, so that the condensation on the top and the side wall of the tunnel is effectively prevented from entering the first container 19 along the cable opening, and the waterproof performance is better than that of a conventional product.
In one embodiment, the control and protection device 4 monitors the state of all devices included in the substation, and controls the change of the operating state of the devices included in the substation through an electrical signal so as to deal with various situations encountered by the substation. The control protection device 4 comprises a second container 23 and a control protection device cabinet 22 arranged in the second container 23, the second container 23 is arranged on the carrying vehicle body through a second bracket 17, and the cable 12 on the control protection device 4 is led out to the bottom through the second container 23. The second container 23 is fixed on the carrier vehicle body through the second bracket 17; the cable 12 enters through the bottom of the second container 23 and connects to the medium voltage switchgear and control and protection equipment cabinet 22. Specifically, the number of the second brackets 17 is plural, and the plural second brackets 17 form a stable support for the second container 23. The equipment heat dissipation is mainly natural ventilation and is assisted by tunnel forced ventilation, wherein all modules in the transformer 1, the high-voltage switch 2, the medium-low voltage switch 3, the control protection equipment 4 and the cable collection device 5 are preferably subjected to dustproof, moistureproof and waterproof design. Specifically, carry out dustproof, waterproof setting to inner structure through setting up first container and second container, reach damp-proofing purpose through setting up heating dehydrating unit in first container and second container inside.
Specifically, the cable collection device 5 includes a high voltage cable reel 21 and a medium and low voltage cable reel 20. Specifically, the high-voltage cable winch 21 and the medium-low voltage cable winch 20 may be arranged in a straight line in the width direction as viewed from the carrier vehicle body.
The transformer substation in tunnel that this application provided, the accessible or arrange in the tunnel that the diameter is no less than 6 meters, be suitable for and install in mountain area and the abominable area in geographical position, satisfy application scenarios such as railway tunnel construction, traction power station, industry or civilian, installation is overhauld conveniently. The situation that electricity is difficult to use in construction in an ultra-long tunnel is solved, and a combined power supply mode of a conventional transformer substation at a tunnel entrance and a transformer substation in the tunnel is replaced; meanwhile, the whole transfer can be carried out after the tunnel construction is finished, and the method is used for other tunnel construction places and reduces the tunnel construction cost.
The railway has the construction needs of interim transformer substation in the years of construction, the utility model discloses the transformer substation of description can also continue to be sent to next engineering project and serve after using the completion, can reduce engineering construction company's cost.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The transformer substation in the tunnel is characterized by comprising a carrying vehicle body, a transformer (1), a high-voltage switch (2), a medium-low voltage switch (3), a control protection device (4) and a cable collecting device (5), wherein the transformer (1), the high-voltage switch (2), the medium-low voltage switch (3), the control protection device (4) and the cable collecting device (5) are installed on the carrying vehicle body.
2. The intra-tunnel substation according to claim 1, characterized in that the control protection device (4), the medium-low voltage switch (3), the high voltage switch (2), the transformer (1) and the cable collection device (5) are arranged in a straight line along the carrier body from head to tail.
3. An intra-tunnel substation according to claim 1, characterized in that the transformer (1) is one or more.
4. The intra-tunnel substation according to claim 1, characterized in that the carrier body comprises a steel-structured vehicle plate (9) and a plurality of groups of steel wheels (10) installed below the steel-structured vehicle plate (9), a mounting platform is formed above the steel-structured vehicle plate (9), and the transformer (1), the high-voltage switch (2), the medium-low voltage switch (3), the control protection equipment (4) and the cable collection device (5) are all installed on the mounting platform.
5. The transformer substation in the tunnel according to claim 1, further comprising a cable (12), wherein the carrier body comprises a plurality of carrier units which are sequentially connected along the moving direction, two adjacent carrier units are connected through a tight-lock coupler, two sides of each carrier unit are provided with cable supports (11), and the cable (12) between the two adjacent carrier units is flexibly bent.
6. The transformer substation of claim 1, wherein the transformer (1) comprises a transformer body (7) and transformer cooling grids (6), the transformer body (7) and the transformer cooling grids (6) are connected through an oil circulation pipeline (8), and the transformer body (7) and the transformer cooling grids (6) are arranged in a straight line along the movement direction of the carrier vehicle body.
7. The intra-tunnel substation according to claim 1, characterized in that the high voltage switch (2) comprises a circuit breaker and disconnector (13), a cable termination sleeve (14) and a control cabinet (15), the control cabinet (15) and the cable termination sleeve (14) are arranged in a straight line along the width direction of the carrier body, and the disconnector (13) and the cable termination sleeve (14) are arranged in a straight line along the movement direction of the carrier body.
8. The intra-tunnel substation according to claim 1, characterized in that the medium and low voltage switch (3) comprises a first container (19) and a medium and low voltage switch integrated cabinet (18), the medium and low voltage switch integrated cabinet (18) is installed in the first container (19), the bottom end of the first container (19) is installed on the carrier vehicle body through a first bracket (16), and the cable (12) on the medium and low voltage switch (3) is led out through the bottom of the first container (19).
9. The intra-tunnel substation according to claim 1, characterized in that the control and protection equipment (4) comprises a second container (23) and a control and protection equipment cabinet (22) installed in the second container (23), the second container (23) is installed on the carrier vehicle body through a second bracket (17), and the cable (12) on the control and protection equipment (4) is led out to the bottom through the second container (23).
10. An intra-tunnel substation according to claim 1, characterized in that the cable collection device (5) comprises a high voltage cable winch (21) and a medium and low voltage cable winch (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921982399.2U CN211126752U (en) | 2019-11-15 | 2019-11-15 | Transformer substation in tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921982399.2U CN211126752U (en) | 2019-11-15 | 2019-11-15 | Transformer substation in tunnel |
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| Publication Number | Publication Date |
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| CN211126752U true CN211126752U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921982399.2U Active CN211126752U (en) | 2019-11-15 | 2019-11-15 | Transformer substation in tunnel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501037A (en) * | 2021-07-08 | 2021-10-15 | 中铁十八局集团有限公司 | Mobile substation for tunnel power supply and high-voltage power transmission method in long and large tunnel |
-
2019
- 2019-11-15 CN CN201921982399.2U patent/CN211126752U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501037A (en) * | 2021-07-08 | 2021-10-15 | 中铁十八局集团有限公司 | Mobile substation for tunnel power supply and high-voltage power transmission method in long and large tunnel |
| CN113501037B (en) * | 2021-07-08 | 2022-06-17 | 中铁十八局集团有限公司 | Mobile substation for tunnel power supply and high-voltage power transmission method in long and large tunnel |
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