CN213402198U - Sunken substation convenient to overhaul - Google Patents

Abstract

The utility model relates to a formula of sinking electric substation convenient to overhaul, the power distribution box comprises a box body, the box includes the case body and the lid fits top cap on the case body, the top cap with the connection can be dismantled to the case body. The top cover and the box body are designed to be detachably connected, so that equipment in the box body can be conveniently overhauled, and particularly, the equipment under the conditions of overhaul and the like can be hung in and out; the top cover is designed into a split structure, and one or more split parts can be disassembled according to needs, so that the hoisting in and hoisting out requirements of the monomer equipment in the box body are met, and the overhaul of the substation is facilitated.

Description

Sunken substation convenient to overhaul

Technical Field

The utility model belongs to the technical field of power equipment, concretely relates to formula of sinking electric substation convenient to overhaul.

Background

The box type power transformation is widely applied in the power industry, and can transform, concentrate and distribute the voltage and the current of electric energy. Most of the power substations are built on the ground, but the buried power substations have good adaptability under the conditions of short land resources, limited arrangement space of the power substations and the like; however, the buried arrangement of the box body of the substation is inconvenient for the maintenance of equipment in the box body, especially for the equipment hanging-in and hanging-out requirements under the conditions of overhaul and the like.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a formula of sinking electric substation convenient to overhaul can solve prior art's partial defect at least.

The utility model relates to a formula of sinking electric substation convenient to overhaul, the power distribution box comprises a box body, the box includes the case body and the lid fits top cap on the case body, the top cap with the connection can be dismantled to the case body.

As one embodiment, the top cover comprises a plurality of U-shaped base cover plates with upward openings and a plurality of window cover plates, the base cover plates are arranged in parallel at intervals, the bottom plate is detachably connected with the box body, a window area is formed between every two adjacent base cover plates, and the window cover plates are covered on the window areas in a one-to-one correspondence mode.

In one embodiment, the window cover plate is U-shaped with its opening facing downward.

In one embodiment, each of the window cover plates and two adjacent base cover plates, the right side plate of the left base cover plate and the left side plate of the right base cover plate both extend into the slot cavity of the window cover plate, and are detachably connected to the two side plates of the window cover plate respectively.

In one embodiment, the window cover plate and the base cover plate are assembled and connected through bolts.

In one embodiment, the base cover plate and the box body are assembled and connected through bolts.

In one embodiment, the top cover is provided with a box door, and the box door is arranged on the base cover plate or the window cover plate.

As one embodiment, the box body includes a plurality of sub-boxes, each of which is arranged in a row.

As one embodiment, each of the sub-boxes includes a first sub-box, a second sub-box, and a third sub-box, which are sequentially arranged, wherein the first sub-box has a dc device and a control device arranged therein, the second sub-box has a transformer arranged therein, the third sub-box has a high-voltage cabinet arranged therein, and the electrical devices are electrically connected to each other through a cable.

The utility model discloses following beneficial effect has at least:

the top cover and the box body are designed to be detachably connected, so that equipment in the box body can be conveniently overhauled, and particularly, the equipment under the conditions of overhaul and the like can be hung in and out; the top cover is designed into a split structure, and one or more split parts can be disassembled according to needs, so that the hoisting in and hoisting out requirements of the monomer equipment in the box body are met, and the overhaul of the substation 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 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of a sunken arrangement of a substation according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a top cover of a substation according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a substation according to an embodiment of the present invention;

fig. 4 is a schematic plan layout diagram of a substation according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As fig. 1 and 2, the embodiment of the utility model provides a formula of sinking electric substation convenient to overhaul, including box 1, box 1 includes box body 11 and lid fit top cap on the box body 11, the top cap is preferably can dismantle with box body 11 and is connected, can be convenient for equipment overhaul in the box 1, and the equipment under the circumstances such as overhaul especially hangs into and hangs out the demand. Wherein, preferably, a lifting hook is arranged on the box body 11, so that the box body 11 can be conveniently lifted into a foundation pit for installation. The detachable connection structure of the top cover and the box body 11 can be a structure that the top cover is integrally assembled and disassembled, namely the top cover is of an integrated structure; in another embodiment, the top cover adopts a split structure, and one or more split parts can be disassembled according to needs, so that the lifting in and out requirements of single equipment in the box body 1 are met, and the maintenance of the box type substation is facilitated.

Specifically, as shown in fig. 2, the top cover includes a plurality of U-shaped base cover plates 121 with upward openings and a plurality of window cover plates 122, each base cover plate 121 is arranged in parallel at intervals, and the bottom plate is detachably connected to the box body 11, a window area is formed between two adjacent base cover plates 121, and each window cover plate 122 covers each window area in a one-to-one correspondence. The window cover 122 can open and close the corresponding window area, for example, a straight panel or an arc panel is detachably mounted on the adjacent base cover 121; in another embodiment, the window cover 122 is U-shaped and has a downward opening. Preferably, each base cover plate 121 and each window cover plate 122 can be made of channel steel; here, the base cover plates 121 are parallel, that is, the side plates of the base cover plates 121 are parallel to each other, and obviously, the window cover plates 122 are also parallel to the base cover plates 121, that is, the side plates of the window cover plates 122 and the side plates of the base cover plates 121 are parallel to each other. As shown in fig. 2, each window cover plate 122 is connected to two adjacent base cover plates 121, and a right side plate of the left base cover plate 121 and a left side plate of the right base cover plate 121 both extend into the cavity of the window cover plate 122 and are detachably connected to two side plates of the window cover plate 122; in each base cover plate 121 and two adjacent window cover plates 122, a right side plate of the left window cover plate 122 and a left side plate of the right window cover plate 122 both extend into the slot cavity of the base cover plate 121, and are detachably connected to the two side plates of the base cover plate 121 respectively. The base cover plates 121 and the window cover plates 122 form a mutually nested design structure, so that one or more U-shaped cover plates can be detached as required while the top closing effect of the box body 11 is ensured, and different equipment hoisting windows are exposed at the top of the box body 11. As for the connection between the base cover plate 121 and the box body 11 and the connection between the base cover plate 121 and the window cover plate 122, conventional detachable assembly manners such as bolt 123 connection can be adopted; the sealing process between the base cover 121 and the box body 11 and between the base cover 121 and the window cover 122 may be further performed, and will not be described in detail herein. It is understood that the two ends of the box 1 can be closed by the base cover 121, or by an L-shaped cover, which is selected according to the actual situation and the landscape requirements, and will not be described in detail herein.

In addition, a box door 14 is preferably arranged on the top cover, so that an operator can conveniently enter and exit the box body 1; the box door 14 preferably adopts a cabin type door structure, and meets the requirement of inspection operation in rainy days. The door 14 may be opened on the base cover 121 or on the window cover 122, for example, on the base cover 121 on the side away from the island station.

In a preferred embodiment, as shown in fig. 3 and 4, the tank body 11 includes a plurality of sub-tank bodies, each of which is arranged in a row. It can be understood that each component equipment is respectively arranged in each sub-box body according to the equipment composition of the actual substation and the engineering condition. Preferably, all the sub-boxes are arranged next to each other in sequence, two adjacent sub-boxes are communicated with each other, that is, two adjacent sub-boxes are attached to each other and communicated with each other, and all the constituent devices can be overhauled and maintained by entering the box 1 from one end of the box-type substation. Through the design of the box body 1 of the box type substation in a split mode, the box type substation is convenient to install, maintain and overhaul in accidents.

Moreover, the box body 1 is designed in a split manner, so that the box body is suitable for partition arrangement among all the constituent devices, for example, partition is carried out according to the functions of the devices, and centralized management and maintenance and overhaul are facilitated; in one embodiment, each sub-box includes a first sub-box 111, a second sub-box 112, and a third sub-box 113 that are sequentially arranged, a dc device and a control device are arranged in the first sub-box 111, a transformer is arranged in the second sub-box 112, a high-voltage board is arranged in the third sub-box 113, and the electrical devices are electrically connected through a cable, and a specific electrical connection structure is easily known by those skilled in the art according to the prior art, and is not described here.

In other embodiments, the equipment can be partitioned according to the heat productivity of the equipment, so that the centralized heat dissipation and refrigeration are facilitated, the heat dissipation and cooling effects are improved, and the refrigeration energy consumption can be effectively saved while the reliable and stable operation of each equipment of the substation is ensured; specifically, 1 partition of box is formed with strengthens radiating area and at least one ordinary radiating area, rectifier transformer, power transformer and the rectifier equipartition of box electric substation are arranged in strengthen in the radiating area, strengthen the radiating area and dispose air conditioner refrigerating plant, ordinary radiating area disposes exhaust heat abstractor. The air-conditioning refrigeration device preferably adopts a central air-conditioning system, and can ensure constant-temperature operation in the enhanced heat dissipation area; the above-mentioned air exhaust heat dissipating double-fuselage can adopt the conventional strong exhaust apparatus among the prior art, the concrete structure here does not need to be repeated. Further, a temperature monitoring unit is arranged in the common heat dissipation area to monitor the temperature in the common heat dissipation area in real time; a refrigerating air port is arranged in the common heat dissipation area and is connected with the air-conditioning refrigerating device through an air pipe; under the conditions of high-temperature seasons and the like, when the air exhausting and radiating device cannot meet the radiating requirement, cold air can be conveyed into a common radiating area through the air conditioner refrigerating device so as to enhance refrigeration. Particularly, as shown in fig. 3 and 4, in combination with the split design structure of the box body 1, the second sub-box body 112 can be used as a reinforced heat dissipation area, and the first sub-box body 111 and the third sub-box body 113 can be used as a common heat dissipation area, so that not only can the technical effect brought by the function partitioning of the equipment be obtained, but also the technical effect brought by the partitioning according to the heat productivity of the equipment can be achieved, and the operation reliability, the safety and the energy saving effect of the box type substation are fully ensured.

Further preferably, as shown in fig. 1, the top of the box body 1 is exposed to the ground to provide an outward ventilation opening 13; in one embodiment, the exposed height of the box body 1 of the substation meets the setting requirement of the external vent 13 (for example, 1/5 height is reserved to set the external vent 13), and the rest box bodies are buried to meet the landscape effect requirement; the outward ventilation opening 13 may be formed in the form of a louver, etc., to reduce rainwater, etc., from flowing into the box 1.

The above-described case of providing the refrigerating device/providing the external ventilation opening 13 is particularly suitable for a substation using a dry type transformer; if the oil immersed transformer is adopted in the substation, the refrigeration device/external ventilation opening 13 can be selected to be cancelled according to specific conditions.

Further preferably, as shown in fig. 1, a waterproof wall 15 is provided on the periphery of the exposed portion of the tank 1 to prevent outside water from entering the tank 1, and in this embodiment, the top elevation of the waterproof wall is preferably higher than the highest flood level or waterlogging level in the area of 50 years. In addition, the pressure plugging at the cable pipeline penetrating position on the box body 1 needs to be ensured, so that the external water is prevented from flowing backwards; and a mechanical forced exhausting device is arranged in an interlayer between the box body 1 and the foundation pit, and an automatic liquid level monitoring system is arranged.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a formula of sinking electric substation convenient to overhaul, includes the box, its characterized in that: the box body comprises a box body and a top cover covering the box body, and the top cover is detachably connected with the box body.

2. The easy access sunken substation of claim 1 further comprising: the top cap includes that the polylith is U type and opening base apron and polylith window apron up, each base apron parallel interval arrangement and bottom plate all with the case body can be dismantled and be connected, forms a window district between two adjacent base apron, each window apron one-to-one covers closes on each window district.

3. The easy access sunken substation of claim 2 further comprising: the window cover plate is U-shaped and the opening faces downwards.

4. The easy access sunken substation of claim 3 wherein: each window apron with adjacent two among the base cover board, the right side board of left side base cover board and the left side board of right side base cover board all stretch into to the vallecular cavity of this window apron to can dismantle with two curb plates of this window apron respectively and be connected.

5. The easy access sunken substation of claim 4 wherein: the window cover plate is assembled and connected with the base cover plate through bolts.

6. The easy access sunken substation of claim 2 further comprising: the base cover plate is assembled and connected with the box body through bolts.

7. The easy access sunken substation of claim 1 further comprising: and the top cover is provided with a box door for the access of maintainers.

8. The easy access sunken substation of claim 1 further comprising: the box body comprises a plurality of sub-box bodies, and the sub-box bodies are arranged in rows.

9. The easy access sunken substation of claim 8 wherein: each sub-box body comprises a first sub-box body, a second sub-box body and a third sub-box body which are sequentially arranged, direct current equipment and a control device are arranged in the first sub-box body, a transformer is arranged in the second sub-box body, a high-voltage cabinet is arranged in the third sub-box body, and all the electric equipment are electrically connected through cables.

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